CN117843187A - Full-automatic mechanical repair wastewater treatment device and method for hydraulic and hydroelectric engineering - Google Patents
Full-automatic mechanical repair wastewater treatment device and method for hydraulic and hydroelectric engineering Download PDFInfo
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- CN117843187A CN117843187A CN202410113009.7A CN202410113009A CN117843187A CN 117843187 A CN117843187 A CN 117843187A CN 202410113009 A CN202410113009 A CN 202410113009A CN 117843187 A CN117843187 A CN 117843187A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 358
- 238000000926 separation method Methods 0.000 claims abstract description 239
- 239000002351 wastewater Substances 0.000 claims abstract description 159
- 238000005352 clarification Methods 0.000 claims abstract description 80
- 239000002699 waste material Substances 0.000 claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 43
- 230000000694 effects Effects 0.000 claims abstract description 30
- 239000008394 flocculating agent Substances 0.000 claims abstract description 14
- 239000006228 supernatant Substances 0.000 claims abstract description 7
- 239000010802 sludge Substances 0.000 claims description 77
- 238000005070 sampling Methods 0.000 claims description 63
- 238000012544 monitoring process Methods 0.000 claims description 41
- 238000004062 sedimentation Methods 0.000 claims description 29
- 239000011521 glass Substances 0.000 claims description 28
- 239000012528 membrane Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 11
- 239000003814 drug Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 238000007667 floating Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000010801 sewage sludge Substances 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 318
- 235000019476 oil-water mixture Nutrition 0.000 description 17
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003706 image smoothing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention provides a full-automatic mechanical repair wastewater treatment device and method for hydraulic and hydroelectric engineering, comprising an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit, a demulsification separation treatment unit, a water collecting unit, a waste oil bucket, a flocculating agent dosing unit and a demulsifier dosing unit; the wastewater outlet end of the automatic multifunctional oil separation treatment unit is connected to the wastewater inlet end of the high-density clarification treatment unit, the supernatant fluid outlet end of the high-density clarification treatment unit is connected to the wastewater inlet end of the demulsification separation treatment unit, and the separated water body of the demulsification separation treatment unit is connected to the water inlet end of the water collecting unit. The invention samples from the automatic multifunctional oil separation processing unit, the high-density clarification processing unit and the demulsification separation processing unit, combines the oil-water and computer vision, monitors the oil, the mud and the water in real time and performs early warning feedback, and has the characteristics of good water outlet effect, no humanization, simple and convenient operation, accurate oil collection, dosing and the like.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment in the water conservancy and hydropower industry, and particularly relates to a full-automatic mechanical repair wastewater treatment device and method for water conservancy and hydropower engineering.
Background
The mechanical repair wastewater treatment is the main content of wastewater design in the construction period of water conservancy and hydropower engineering, and the mechanical repair system is used for meeting the secondary maintenance, minor repair and spare part processing tasks of mechanical equipment and various automobiles, and has the characteristics of small quantity of generated wastewater, small strength, intermittence and the like. The main pollutants of the wastewater are petroleum and SS, and the wastewater is treated and reused for vehicle flushing of a repair system because the wastewater amount of mechanical repair is smaller, so that the treated water quality is required to meet the reuse requirement.
At present, the oil-containing wastewater treatment technology comprises methods such as air flotation, gravity separation, filtration, adsorption, membrane separation, biological methods and the like, and the methods are suitable for large-scale engineering, are difficult to meet the discharge requirement, are not suitable for treating oil-containing wastewater with smaller treatment scale, and cannot be applied to mechanical repair wastewater treatment engineering. The mechanical repair wastewater treatment process has no adaptive process and clear standard requirements, so that how to select proper mechanical repair wastewater treatment process technology and technical parameters to enable the treated mechanical repair wastewater to meet the requirements is an important problem to be solved at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a full-automatic mechanical repair wastewater treatment device and method for hydraulic and hydroelectric engineering, which can effectively solve the problems.
The technical scheme adopted by the invention is as follows:
the invention provides a full-automatic mechanical repair wastewater treatment device for water conservancy and hydropower engineering, which comprises an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit, a demulsification separation treatment unit, a water collecting unit, a waste oil barrel (16), a flocculating agent dosing unit and a demulsifier dosing unit;
the automatic multifunctional oil separation treatment unit is used for separating oil, mud and water, the separated waste water outlet end is connected to the waste water inlet end of the high-density clarification treatment unit after being mixed by adding medicines through the flocculant adding unit, and the separated waste oil outlet end is connected to the waste oil barrel (16); the high-density clarification treatment unit is used for separating mud from water, and the separated supernatant liquid water outlet end is connected to the wastewater water inlet end of the demulsification separation treatment unit after being subjected to dosing and mixing by the demulsifier dosing unit, and the separated oily sludge is discharged; the demulsification separation treatment unit is used for separating oil, mud and water, the separated water body is connected to the water inlet end of the water collecting unit, and the separated oil body is connected to the waste oil barrel (16).
Preferably, the automated multifunctional oil separation processing unit comprises: an automatic multifunctional oil separation tank (1), a left vertical guide rail (4), a waste oil outlet pipe (5), a waste water outlet pipe (6), a right vertical guide rail (7), an automatic multifunctional oil separation tank lifting pump (8), a water collecting pit (9), a waste oil lifting pump (10), a water inlet gate (11), a water inlet pipe (12), a vent pipe (13), a cover plate (14), a collecting barrel (15), a horizontal guide rail (21) and an electric control telescopic rod (22);
one side of the automatic multifunctional oil separation tank (1) is respectively communicated with the water inlet pipe (12) and the vent pipe (13), and the water inlet pipe (12) is provided with the water inlet gate (11); the automatic multifunctional oil separation tank is characterized in that a water collecting pit (9) is arranged in the automatic multifunctional oil separation tank (1) far away from the water inlet side, the pit bottom of the water collecting pit (9) is lower than the tank bottom of the automatic multifunctional oil separation tank (1), an automatic multifunctional oil separation tank lifting pump (8) is arranged in the water collecting pit (9), a liquid outlet of the automatic multifunctional oil separation tank lifting pump (8) is connected with a wastewater outlet pipe (6), and a water outlet end of the wastewater outlet pipe (6) penetrates through the tank wall of the automatic multifunctional oil separation tank (1);
the left vertical guide rail (4) and the right vertical guide rail (7) are oppositely arranged on the left side wall and the right side wall of the automatic multifunctional oil separation tank (1), the cover plate (14) is arranged at the top of the automatic multifunctional oil separation tank (1), and the cover plate (14) can vertically lift along the left vertical guide rail (4) and the right vertical guide rail (7); the bottom surface of the cover plate (14) is provided with the horizontal guide rail (21), the electric control telescopic rod (22) is vertically arranged, the top of the electric control telescopic rod is in sliding connection with the horizontal guide rail (21), and the collecting barrel (15) is hung at the bottom of the electric control telescopic rod, so that the collecting barrel (15) is hung in the automatic multifunctional oil separation tank (1); the inside of the collecting barrel (15) is provided with the waste oil lifting pump (10), a liquid outlet of the waste oil lifting pump (10) is connected with the waste oil outlet pipe (5), and an oil outlet end of the waste oil outlet pipe (5) penetrates through the cover plate (14); the horizontal guide rail (21) is a crisscross guide rail.
Preferably, the wastewater outlet pipe (6) is connected to the wastewater inlet end of the high-density clarification unit; a water outlet valve (17) and a first pipeline mixer (40) are sequentially arranged in the wastewater outlet pipe (6); the medicine feeding end of the first pipeline mixer (40) is connected with the flocculant adding unit; wherein, the flocculant dosing unit comprises a flocculant dosing barrel (36) and a flocculant dosing pump (37).
Preferably, the high-density clarification treatment unit comprises a high-density clarification tank (2), a water collecting tank (18) and a sewage sludge end (19);
the top of the high-density clarification tank (2) is provided with the water collecting tank (18), the bottom of the high-density clarification tank (2) is conical, and the conical bottom is the sewage sludge end (19).
Preferably, the water draining end of the water collecting tank (18) is connected to the water inlet end of the demulsification separation treatment unit, a second pipeline mixer (41) is arranged at the water draining end of the water collecting tank (18), and the medicine inlet end of the second pipeline mixer (41) is connected with the demulsifier medicine adding unit; the demulsifier dosing unit comprises a demulsifier dosing barrel (38) and a demulsifier dosing pump (39).
Preferably, the demulsification separation treatment unit comprises a demulsification separator tank body (44), a demulsification separator drain pipe (46), a demulsification separator oil drain pipe (47), a top feed pipe (50), a diversion cone (52), an oil-water separation membrane (53), a diversion ring (54), a diversion pipe (55) and a diversion pipe (57);
The top center of the demulsification separator tank body (44) is communicated with the top feed pipe (50); the demulsification separator tank body (44) is internally provided with a diverter ring (54) which is tightly attached to the annular inner wall of the demulsification separator tank body (44) and is positioned below the top feed pipe (50), and a plurality of distributing pipes (55) are radially communicated between the discharge end of the top feed pipe (50) and the diverter ring (54); the material dividing pipe (55) is obliquely arranged; the oil-water separation film (53) is arranged below the shunt ring (54); the lower part of the oil-water separation film (53) is provided with the diversion cone (52), and the edge of the lower surface of the diversion cone (52) is in scattered communication with a plurality of diversion pipes (57) which are vertically arranged;
an oil inlet of the demulsification separator oil discharge pipe (47) is positioned right below the center of the oil-water separation film (53) and is communicated with the center of the oil-water separation film (53); an oil drain port of the demulsification separator oil drain pipe (47) extends out from the bottom of the demulsification separator tank body (44); the side wall of the lower part of the demulsification separator tank body (44) is provided with the demulsification separator drain pipe (46).
Preferably, the oil-water separation film (53) is in a conical funnel shape, the conical surface is an oil-water separation film part, the conical bottom is an oil phase gathering position, and the conical bottom is provided with a guide pipe;
The flow guiding conical part (52) is a conical slope, the cone top of the flow guiding conical part is positioned right below the cone bottom of the oil-water separation film (53), and the cone top of the flow guiding conical part (52) is provided with a through hole for oil phase to pass through;
a distribution plate (51) can be sleeved at the position, close to the oil inlet, of the oil discharge pipe (47) of the demulsification separator in a vertically sliding manner, the distribution plate (51) is positioned below the diversion cone (52), and the distribution plate (51) is provided with distribution holes; the demulsification separator oil discharge pipe (47) is arranged outside and below the distribution plate (51), and a floating ring (56) is slidably arranged; a side feeding pipe (45) is arranged on the side wall of the demulsification separator tank body (44); the side feeding pipe (45) is positioned below the guide pipe (57); an observation window (48) is formed in the side wall of the demulsification separator tank body (44); the bottom of the demulsification separator tank body (44) is provided with supporting legs (49);
the water collecting unit comprises a water collecting tank (3) and a water collecting tank lifting pump (20); the bottom of the water collecting tank (3) is provided with the water collecting tank lifting pump (20); the water collecting tank lifting pump (20) is communicated with a water collecting tank drain pipe.
Preferably, the system also comprises oil separation tank oil sludge water real-time monitoring equipment, high-density clarifier oil sludge water real-time monitoring equipment, demulsification separator oil sludge water real-time monitoring equipment, a PLC control cabinet (35) and a computer (42);
The oil removal pond oil sludge water real-time monitoring equipment comprises a first graduated glassware (23), a first camera (24), a first sampling regulating valve (25) and a first data line (26);
the first graduated glass device (23) and the first camera (24) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a first sampling regulating valve (25) arranged on a water inlet pipeline of the automatic multifunctional oil separation treatment unit, and the other end of the sampling tube extends into the first graduated glass device (23); the acquisition view of the first camera (24) faces the first graduated glass appliance (23), and the first camera (24) is connected with the PLC control cabinet (35) through the first data line (26);
the high-density clarifier sludge water real-time monitoring equipment comprises a second graduated glassware (27), a second camera (28), a second sampling regulating valve (29) and a second data line (30);
the second graduated glass device (27) and the second camera (28) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with the second sampling regulating valve (29) arranged at the water inlet end of the high-density clarification treatment unit, and the other end of the sampling tube extends into the second graduated glass device (27); the acquisition view field of the second camera (28) faces the second graduated glassware (27), and the second camera (28) is connected with the PLC control cabinet (35) through the second data line (30);
The demulsification separator sludge water real-time monitoring device comprises a third graduated glassware (31), a third camera (32), a third sampling regulating valve (33) and a third data line (34);
the third graduated glass device (31) and the third camera (32) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a third sampling regulating valve (33) arranged on a water inlet pipeline of the demulsification separation processing unit, and the other end of the sampling tube extends into the third graduated glass device (31); the acquisition view field of the third camera (32) faces the third graduated glassware (31), and the third camera (32) is connected with the PLC control cabinet (35) through the third data line (34);
the PLC control cabinet (35) is connected with the computer (42).
The invention also provides a method for the full-automatic mechanical repair wastewater treatment device for the hydraulic and hydroelectric engineering, which comprises the following steps:
step 1, controlling the flow rate of mechanical repair wastewater, so that the mechanical repair wastewater flows into an automatic multifunctional oil separation treatment unit according to a set flow rate;
the automatic multifunctional oil separation treatment unit performs oil-water separation on the mechanical repair wastewater, collects suspended oil with the particle size of more than 50 mu m, and enables the suspended oil to flow into the waste oil barrel (16);
The wastewater after oil sludge water separation is mixed with flocculant added by a flocculant adding unit and flows into a high-density clarification treatment unit;
step 2, the high-density clarification unit further performs mud-water separation on the inflow wastewater, and the separated sludge is discharged for recycling; the high-density clarification treatment unit removes SS, and the obtained supernatant is mixed with the demulsifier added by the demulsifier dosing unit and flows into the demulsification separation treatment unit;
step 3, the demulsification separation treatment unit further carries out oil-sludge separation on the inflow wastewater, the wastewater is treated by the demulsification separation treatment unit, the dispersed oil and the emulsified oil with the particle size of more than 10 mu m are effectively separated, the separated oil body flows into a waste oil barrel (16), and the separated water body flows into a water collecting unit;
step 4, the water collected in the water collecting unit is lifted to a recycling point after being disinfected;
wherein:
when the automatic multifunctional oil separation treatment unit, the high-density clarification treatment unit and the demulsification separation treatment unit are used for separating oil from sludge, the device further comprises:
the oil sludge water of the automatic multifunctional oil separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the oil separation tank, and the oil sludge water monitoring equipment is specifically as follows: sampling in real time from a water inlet end of the automatic multifunctional oil removal processing unit, collecting a waste water image of a sampling sample, analyzing the waste water image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the automatic multifunctional oil removal processing unit and the height of a collecting barrel (15) according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the water inlet flow rate and the accurate oil collection can ensure the optimal separation effect of the automatic multifunctional oil removal processing unit;
The sludge water of the high-density clarification treatment unit is monitored in real time through the sludge water real-time monitoring equipment of the high-density clarification tank, and the method specifically comprises the following steps: sampling in real time from a water inlet end of the high-density clarification unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the high-density clarification unit, the dosage of a flocculating agent dosing unit and the mud discharging time according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the water inlet flow rate, the flocculating agent dosage and the mud discharging time can ensure the optimal separation effect of the high-density clarification unit;
the oil sludge water of the demulsification separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the demulsification separator, and the oil sludge water real-time monitoring equipment specifically comprises: sampling in real time from the water inlet end of the demulsification separation processing unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, and adjusting the water inlet flow rate of the demulsification separation processing unit and the dosage of the demulsifier dosing unit according to the analyzed thickness of the oil layer and the analyzed sedimentation thickness of the mud layer, so that the water inlet flow rate and the dosage of the demulsifier can ensure the optimal separation effect of the demulsification separation processing unit.
Preferably, the following method is adopted to analyze the wastewater image in real time to obtain the thickness of the oil layer and the sedimentation thickness of the mud layer:
step 5.1, acquiring a wastewater image by using a high-definition camera;
step 5.2, carrying out Gaussian blur treatment on each pixel point (x, y) in the wastewater image by adopting the following formula to obtain a treated pixel point P (x, y), thereby obtaining a Gaussian blur treated wastewater image formed by a plurality of treated pixel points P (x, y), wherein the edges of an oil film, a water layer and a mud layer of the Gaussian blur treated wastewater image are clearer;
wherein: x and y represent image coordinates of pixel points in the wastewater image, sigma is a standard deviation of a Gaussian kernel function, and the calculation method comprises the following steps: performing blurring processing by using a 3×3 gaussian convolution kernel pixel point (x, y), and calculating a sigma value according to a 3×3 gaussian kernel;
step 5.3, performing color space conversion on the wastewater image after Gaussian blur treatment, and converting each pixel point in the wastewater image after Gaussian blur treatment from BGR color space to HSV color space to obtain the wastewater image after color space conversion, wherein the specific method comprises the following steps:
step 5.3.1, for each pixel point P (x, y), having a B channel value, a G channel value, and an R channel value; taking the maximum value of the B channel value, the G channel value and the R channel value as an image brightness value V, wherein the formula is as follows: v=max (B, G, R);
Step 5.3.2, obtaining the image saturation S of the pixel point P (x, y) by adopting the following formula:
step 5.3.3, obtaining the hue H of the pixel point P (x, y) by adopting the following method:
judging whether the image brightness value V obtained in the step 5.3.1 is the minimum value of the B channel value, the G channel value and the R channel value, and if so, enabling the hue H to be 0; if not, the hue initial value H' is obtained by adopting the following formula:
if the hue initial value H "<0, the hue H=H" +360, and the hue H is within the value range of (0, 360); if the initial hue value H '> 0, the hue H=H' -360, and the hue H is within the value range of (0, 360), thereby obtaining the hue H;
step 5.4, determining a color range of the oil film in the HSV color space, including an oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold colorColor (H) 2 ,S 2 ,V 2 )；
Determining a color range of the mud layer in the HSV color space, including a mud layer low threshold color (H 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 )；
Step 5.5, determining the oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at low threshold color (H) 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Take value between, create first mask 1 Using a first mask 1 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched first mask interception area from the wastewater image obtained in the step 5.3, wherein the first mask interception area is an oil film area extracted from the wastewater image obtained in the step 5.3;
the mud layer low threshold colour (H) determined according to step 5.4 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at mud layer low threshold color (H 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Take value between, establish the second mask 2 Using a second mask 2 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched second mask interception area from the wastewater image obtained in the step 5.3, wherein the second mask interception area is a mud layer area extracted from the wastewater image obtained in the step 5.3;
step 5.6, analyzing the first mask interception area, extracting to obtain an oil film profile, and analyzing the oil film profile to obtain the oil film thickness; analyzing the second mask interception area, extracting to obtain a mud layer profile, and analyzing the mud layer profile to obtain the mud layer thickness.
The full-automatic mechanical repair wastewater treatment device and method for the hydraulic and hydroelectric engineering provided by the invention have the following advantages:
The invention can effectively treat the hydraulic and hydroelectric engineering machinery repair wastewater, guides the environmental protection design of the hydraulic and hydroelectric industry, samples from an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit and a demulsification separation treatment unit, combines oil and mud with computer vision, monitors oil, mud and water in real time and performs early warning feedback, and has the characteristics of good water outlet effect, no humanization, simple and convenient operation, accurate oil collection, dosing and the like. Meanwhile, technical parameters suitable for mechanically repairing the wastewater are adopted.
Drawings
FIG. 1 is a whole structure diagram of a full-automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering, which is provided by the invention;
FIG. 2 is a flow chart of a fully automatic mechanical repair wastewater treatment method for hydraulic and hydroelectric engineering, which is provided by the invention;
FIG. 3 is a schematic front view of a demulsification separator provided by the present invention;
FIG. 4 is a schematic cross-sectional view of a demulsification separator provided by the present invention;
FIG. 5 is a schematic diagram of the split structure of the split ring, the oil-water separation membrane, the guide cone and the guide pipe provided by the invention;
FIG. 6 is a schematic top view of the feed divider pipe and the diverter ring according to the present invention;
FIG. 7 is a schematic view of a floating ring according to the present invention;
Fig. 8 is a schematic diagram of an overall flow chart of real-time analysis of wastewater images provided by the invention.
Wherein:
automatic multifunctional oil separation tank 1, high-density clarification tank 2, water collection tank 3, left vertical guide rail 4, waste oil outlet pipe 5, waste water outlet pipe 6, right vertical guide rail 7, automatic multifunctional oil separation tank lifting pump 8, water collection pit 9, waste oil lifting pump 10, water inlet gate 11, water inlet pipe 12, ventilation pipe 13, cover plate 14, collection barrel 15, waste oil barrel 16, water outlet valve 17, water collection tank 18, sludge discharge end 19, water collection tank lifting pump 20, horizontal guide rail 21, electric control telescopic rod 22, first graduated glass appliance 23, first camera 24, first sampling adjusting valve 25, first data line 26, second graduated glass appliance 27, second camera 28, second sampling adjusting valve 29 the second data line 30, the third graduated glassware 31, the third camera 32, the third sampling adjustment valve 33, the third data line 34, the PLC control cabinet 35, the flocculant dosing tank 36, the flocculant dosing pump 37, the demulsifier dosing tank 38, the demulsifier dosing pump 39, the first pipe mixer 40, the second pipe mixer 41, the computer 42, the equipment room 43, the demulsification separator tank 44, the side feed pipe 45, the demulsification separator drain pipe 46, the demulsification separator drain pipe 47, the observation window 48, the support leg 49, the top feed pipe 50, the distribution plate 51, the diversion cone 52, the oil-water separation membrane 53, the diversion ring 54, the diversion pipe 55, the floating ring 56 and the diversion pipe 57.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In the description of the present application, if directional descriptions such as "upper", "lower", "front", "rear", "left", "right", etc. are referred to as directions or positional relationships based on those shown in fig. 1, they are merely for convenience of description of the present application and simplification of the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.
The invention aims to solve the technical problem of providing a full-automatic mechanical repair wastewater treatment device and method for hydraulic and hydroelectric engineering, which can effectively treat hydraulic and hydroelectric engineering mechanical repair wastewater, guide the environmental protection design of the hydraulic and hydroelectric industry, sample from an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit and a demulsification separation treatment unit, combine oil and mud with computer vision, monitor oil, mud and water in real time and perform early warning feedback, and have the characteristics of good water outlet effect, no humanization, simple and convenient operation, accurate oil collection, dosing and the like. Meanwhile, technical parameters suitable for mechanically repairing the wastewater are adopted.
The invention provides a full-automatic mechanical repair wastewater treatment device for water conservancy and hydropower engineering, which is shown in fig. 1 and 2, and comprises an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit, a demulsification separation treatment unit, a water collecting unit, a wastewater oil barrel 16, a flocculating agent dosing unit and a demulsifier dosing unit;
the automatic multifunctional oil separation treatment unit is used for separating oil, mud and water, the separated waste water outlet end is connected to the waste water inlet end of the high-density clarification treatment unit after being mixed by adding medicines through the flocculant adding unit, and the separated waste oil outlet end is connected to the waste oil barrel 16; the high-density clarification treatment unit is used for separating mud from water, and the separated supernatant liquid water outlet end is connected to the wastewater water inlet end of the demulsification separation treatment unit after being subjected to dosing and mixing by the demulsifier dosing unit, and the separated oily sludge is discharged; the demulsification separation treatment unit performs oil, mud and water separation, the separated water body is connected to the water inlet end of the water collecting unit, and the separated oil body is connected to the waste oil barrel 16.
The following describes the automatic multifunctional oil separation treatment unit, the high-density clarification treatment unit, the demulsification separation treatment unit and the water collecting unit in detail respectively:
an automatic multifunctional oil separation treatment unit and oil separation tank oil sludge water real-time monitoring device:
the automatic multifunctional oil separation treatment unit is used for separating oil from water and is mainly characterized in that: the collecting barrel is arranged in the automatic multifunctional oil separation tank, waste oil in the oily wastewater enters the collecting barrel through overflow, and the height and the horizontal position of the collecting barrel can be flexibly adjusted, so that oil-water separation can be realized through the collecting barrel to flexibly and efficiently collect floating oil in the oil separation tank, and the oil-water separation device has the characteristics of good oil-water separation effect, low investment, no humanization, accurate oil collection and the like.
As shown in fig. 1, the automated multifunctional oil separation processing unit includes: an automatic multifunctional oil separation tank 1, a left vertical guide rail 4, a waste oil outlet pipe 5, a waste water outlet pipe 6, a right vertical guide rail 7, an automatic multifunctional oil separation tank lifting pump 8, a water collecting pit 9, a waste oil lifting pump 10, a water inlet gate 11, a water inlet pipe 12, a vent pipe 13, a cover plate 14, a collecting barrel 15, a horizontal guide rail 21 and an electric control telescopic rod 22;
one side of the automatic multifunctional oil separation tank 1 is respectively communicated with the water inlet pipe 12 and the ventilation pipe 13, and the water inlet pipe 12 is provided with the water inlet gate 11; the water collecting pit 9 is arranged in the automatic multifunctional oil separation tank 1 far away from the water inlet side, and the pit bottom of the water collecting pit 9 is lower than the pit bottom of the automatic multifunctional oil separation tank 1, so that the water collecting pit 9 and the automatic multifunctional oil separation tank 1 are integrally constructed, and the occupied area is small; the automatic multifunctional oil separation tank lifting pump 8 is arranged in the water collecting pit 9, a liquid outlet of the automatic multifunctional oil separation tank lifting pump 8 is connected with the wastewater outlet pipe 6, and a water outlet end of the wastewater outlet pipe 6 penetrates through a tank wall of the automatic multifunctional oil separation tank 1;
The left vertical guide rail 4 and the right vertical guide rail 7 are oppositely arranged on the left side wall and the right side wall of the automatic multifunctional oil separation tank 1, the cover plate 14 is arranged on the top of the automatic multifunctional oil separation tank 1, and the cover plate 14 can vertically lift along the left vertical guide rail 4 and the right vertical guide rail 7; the bottom surface of the cover plate 14 is provided with a horizontal guide rail 21, the horizontal guide rail 21 can be a crisscross guide rail, the electric control telescopic rod 22 is vertically arranged, the top is in sliding connection with the horizontal guide rail 21, and the bottom is suspended and provided with the collecting barrel 15, so that the collecting barrel 15 is suspended in the automatic multifunctional oil separation tank 1; in this application, left side perpendicular guide rail 4, right side perpendicular guide rail 7 and horizontal guide rail 21 can all adopt electronic guide rail, through the lift of left side perpendicular guide rail 4 and right side perpendicular guide rail 7 control apron 14, and left side perpendicular guide rail 4 and right side perpendicular guide rail 7 are all higher than automatic multi-functional oil removal pond 1, when needs are to the inside maintenance of automatic multi-functional oil removal pond 1, can rise the apron 14 to the highest point, have a certain distance with automatic multi-functional oil removal pond 1 top surface to the convenient maintenance. Through the control to automatically controlled telescopic link 22, the height of steerable collecting vessel 15 is through the slip of automatically controlled telescopic link 22 along horizontal guide rail 21 to adjust the position of collecting vessel 15 at automatic multi-functional oil removal pond 1, can make collecting vessel 15 all-round removal in automatic multi-functional oil removal pond 1, realize the advantage of comprehensive collection. Since the left vertical guide rail 4, the right vertical guide rail 7 and the horizontal guide rail 21 can all adopt electric guide rails, the movement and the height of the collecting barrel 15 can be automatically controlled through the PLC control cabinet 35, the moving speed is controlled, for example, the moving speed is controlled to be about 1mm/s, the upper end of the collecting barrel 15 is immersed below the oil surface, waste oil in the oily waste water enters the collecting barrel 15 through overflow, and the effect of absorbing floating oil by the collecting barrel 15 is realized.
The inside of collecting vessel 15 sets up waste oil elevator pump 10, waste oil elevator pump 10's liquid outlet is connected waste oil goes out oil pipe 5, the play oily end of waste oil goes out oil pipe 5 passes apron 14.
In the application, the waste water outlet pipe 6 is a hard conduit, and the waste water outlet pipe 6 is in sliding connection with the cover plate 14; the waste oil outlet pipe 5 is a hard pipe, and the waste oil outlet pipe 5 is in sliding connection with the cover plate 14; the exhaust gas in the automatic multifunctional oil separation tank 1 can be discharged by arranging the vent pipe 13.
The wastewater outlet pipe 6 is connected to the wastewater inlet end of the high-density clarification unit; in the wastewater outlet pipe 6, a water outlet valve 17 and a first pipe mixer 40 are installed in sequence; the medicine feeding end of the first pipeline mixer 40 is connected with the flocculant adding unit; wherein the flocculant dosing unit comprises a flocculant dosing barrel 36 and a flocculant dosing pump 37.
The application principle is as follows: when the floating oil in the automatic multifunctional oil separation tank 1 needs to be cleaned, the upper end of the collecting barrel 15 is immersed below the oil surface through the electric control telescopic rod 22, waste oil in the oily waste water enters the collecting barrel 15 through overflow, the waste oil lifting pump 10 is arranged in the collecting barrel 15, and the floating oil collected in the collecting barrel 15 is conveyed to the waste oil barrel 16; the automatic multifunctional oil separation tank 1 is internally provided with a water collection pit 9, the water collection pit 9 is internally provided with an automatic multifunctional oil separation tank lifting pump 8, and water after oil-water separation is conveyed to a high-density clarification treatment unit through the automatic multifunctional oil separation tank lifting pump 8. Through setting up each guide rail and automatically controlled telescopic link 22, control collecting vessel 15 horizontal direction removes and goes up and down, collects the oil slick in oil removal pond comprehensively, and collection efficiency is high. Therefore, the invention has the characteristics of good oil-water separation effect, low investment, no humanization, accurate oil collection and the like.
In addition, the automatic multifunctional oil removal processing unit is provided with oil removal pond oil sludge water real-time monitoring equipment, and the oil sludge water of the automatic multifunctional oil removal processing unit is monitored in real time through the oil removal pond oil sludge water real-time monitoring equipment, specifically: sampling in real time from a water inlet end of the automatic multifunctional oil removal processing unit, collecting a waste water image of a sampling sample, analyzing the waste water image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the automatic multifunctional oil removal processing unit and the height of the collecting barrel 15 according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the optimal separation effect of the automatic multifunctional oil removal processing unit can be ensured by the water inlet flow rate and the accurate oil collection;
specifically, the oil removal pond oil sludge water real-time monitoring equipment comprises a first graduated glass appliance 23, a first camera 24, a first sampling regulating valve 25 and a first data line 26;
the first graduated glass device 23 and the first camera 24 are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a first sampling regulating valve 25 arranged on a water inlet pipeline of the automatic multifunctional oil separation processing unit, and the other end of the sampling tube extends into the first graduated glass device 23; the collecting view of the first camera 24 faces the first graduated glass appliance 23, and the first camera 24 is connected with the PLC control cabinet 35 through the first data line 26;
In the present application, the graduation marks on the first graduated glassware 23 are fluorescent; the first camera 24 shoots the waste water image in the first glass appliance 23 with scales in real time and transmits the waste water image to the PLC control cabinet 35 and the computer 42, the computer 42 analyzes the waste water image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, the water inflow flow rate is controlled by controlling the opening height of the water inflow gate 11 and the height of the collecting barrel 15 is regulated, the water inflow flow rate is ensured to be 1-2mm/s, if no obvious oil layer thickness exists, the oil isolation effect is better, and if the obvious oil layer thickness exists, the height of the water inflow gate 11 needs to be reduced; according to the thickness of the oil layer, the height of the collecting barrel 15 is adjusted to accurately collect oil.
(II) a high-density clarification treatment unit and high-density clarification tank sludge water real-time monitoring equipment:
the high-density clarification treatment unit comprises a high-density clarification tank 2, a water collecting tank 18 and a sludge discharge end 19;
the water collecting tank 18 is arranged at the top of the high-density clarification tank 2, the bottom of the high-density clarification tank 2 is conical, and the conical bottom is the sludge discharge end 19.
The water draining end of the water collecting tank 18 is connected to the water inlet end of the demulsification separation treatment unit, a second pipeline mixer 41 is arranged at the water draining end of the water collecting tank 18, and the medicine inlet end of the second pipeline mixer 41 is connected with the demulsifier medicine adding unit; the demulsifier dosing unit comprises a demulsifier dosing barrel 38 and a demulsifier dosing pump 39.
The high-density clarification treatment unit is provided with high-density clarification tank sludge water real-time monitoring equipment, and the sludge water of the high-density clarification treatment unit is monitored in real time through the high-density clarification tank sludge water real-time monitoring equipment, specifically: the method comprises the steps of sampling in real time from a water inlet end of a high-density clarification treatment unit, collecting a waste water image of a sampling sample, analyzing the waste water image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the high-density clarification treatment unit, the dosage of a flocculating agent dosing unit and the mud discharging time according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the optimal separation effect of the high-density clarification treatment unit can be ensured by the water inlet flow rate, the flocculating agent dosage and the mud discharging time.
Specifically, the high-density clarifier sludge water real-time monitoring equipment comprises a second graduated glassware 27, a second camera 28, a second sampling regulating valve 29 and a second data line 30;
the second graduated glass device 27 and the second camera 28 are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with the second sampling regulating valve 29 arranged at the water inlet end of the high-density clarification treatment unit, and the other end of the sampling tube extends into the second graduated glass device 27; the collection view of the second camera 28 faces the second graduated glassware 27, and the second camera 28 is connected with the PLC control cabinet 35 through the second data line 30;
In the present application, the graduation marks on the second graduated glassware 27 are fluorescent; the second camera 28 shoots the waste water image in the second glass appliance 27 with scales in real time and transmits the waste water image to the PLC control cabinet 35 and the computer 42, the computer 42 analyzes the waste water image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, the water inlet flow rate is controlled by controlling the opening height of the water outlet valve 17, the dosage and the mud discharging time of the flocculating agent dosing unit are controlled, if the thickness of the oil layer is not obvious, the oil separation effect is better, if the thickness of the oil layer is obvious, the height of the water outlet valve 17 is required to be reduced, the dosage of the flocculating agent is increased, and the mud discharging time is prolonged, so that the optimal separation effect of the high-density clarification treatment unit is ensured.
And (III) demulsification separation treatment unit and demulsification separator sludge water real-time monitoring equipment:
referring to fig. 3 to 7, the demulsification separation treatment unit includes a demulsification separator tank 44, a demulsification separator drain pipe 46, a demulsification separator drain pipe 47, a top feed pipe 50, a diversion cone 52, an oil-water separation membrane 53, a diversion ring 54, a diversion pipe 55 and a diversion pipe 57;
the top center of the demulsification separator tank 44 is communicated with the top feed pipe 50; the inside of the demulsification separator tank 44 and below the top feed pipe 50 is provided with the diverter ring 54 that is tightly attached to the annular inner wall of the demulsification separator tank 44, and the diverter ring 54 may be bolted to the demulsification separator tank 44. A plurality of distributing pipes 55 are radially communicated between the discharging end of the top feeding pipe 50 and the distributing ring 54; one end of the distributing pipe 55 is welded with the top feeding pipe 50, the other end is welded with the distributing ring 54, and in fig. 6, 4 distributing pipes 55 are provided in total; the distributing pipe 55 is inclined.
The oil-water separation film 53 is arranged below the shunt ring 54; the oil-water separation film 53 can be connected with the shunt ring 54 by clamping and pressing. The oil-water separation film 53 is in a conical funnel shape, the conical surface is an oil-water separation film part, the conical bottom is an oil phase gathering position, and the conical bottom is provided with a guide pipe.
The lower part of the oil-water separation film 53 is provided with the diversion cone 52, the diversion cone 52 is connected with the inner side of the demulsification separator tank 44 through bolts, the diversion cone 52 is a conical slope, the cone top of the diversion cone 52 is positioned right below the cone bottom of the oil-water separation film 53, and the cone top of the diversion cone 52 is provided with a through hole for oil phase to pass through.
The edge of the lower surface of the guiding cone 52 is in dispersion communication with a plurality of vertically arranged guiding pipes 57; the flow guide pipe 57 is welded with the flow guide conical piece 52, and an oil inlet of the demulsification separator oil discharge pipe 47 is positioned right below the center of the oil-water separation membrane 53 and is communicated with the center of the oil-water separation membrane 53; an oil drain port of the demulsification separator oil drain pipe 47 extends out from the bottom of the demulsification separator tank 44; the lower side wall of the demulsification separator tank 44 is provided with the demulsification separator drain 46.
A distribution plate 51 is sleeved at the position, close to the oil inlet, of the oil discharge pipe 47 of the demulsification separator in a vertically sliding manner, the distribution plate 51 is positioned below the diversion cone 52, the distribution plate 51 can be positioned at the inner side of each diversion pipe 57 and is spliced with the diversion pipe 57, and the distribution plate 51 is provided with distribution holes; a floating ring 56 is slidably arranged outside the demulsification separator oil drain pipe 47 and below the distribution plate 51; as shown in fig. 7, a floating ring 56 is shown in block diagram.
The side wall of the demulsification separator tank body 44 is provided with a side feeding pipe 45; the side feed pipe 45 is positioned below the guide pipe 57; a side feed pipe 45 is provided on the opposite side of the emulsion breaker drain pipe 46. An observation window 48 is formed on the side wall of the demulsification separator tank 44, and the liquid level of the oil-water mixture in the demulsification separator tank 44 can be observed through the observation window 48; the bottom of the demulsification separator tank 44 is provided with supporting legs 49;
the working principle of the demulsification separation unit is as follows:
(1) The oil-water mixture discharged from the high-density clarification unit is mixed with the demulsifier to form an oil-water mixture mixed with the demulsifier, the oil-water mixture mixed with the demulsifier enters the top feed pipe 50, the oil-water mixture output from the top feed pipe 50 flows into each distributing pipe 55, and the oil-water mixture flows into the distributing ring 54 after being distributed through the distributing pipes 55;
(2) The oil-water mixture flows out from the annular gap of the flow distribution ring 54 and flows into the surface of the oil-water separation membrane 53, and as the annular gap of the flow distribution ring 54 is positioned above the circumferential edge of the oil-water separation membrane 53, the water curtain-shaped oil-water mixture flowing out from the annular gap of the flow distribution ring 54 firstly uniformly falls onto the upper edge of the conical surface of the conical funnel-shaped oil-water separation membrane 53, then the oil-water mixture uniformly slides down along the conical surface of the oil-water separation membrane 53 to the conical bottom part, the oil-water separation membrane 53 carries out oil-water separation on the oil-water mixture in the process of sliding down the oil-water mixture, and the separated water body drops onto the surface of the diversion conical piece 52 below through the oil-water separation membrane 53; the separated oil body is collected at the cone bottom of the oil-water separation film 53, falls into the demulsification separator oil discharge pipe 47 through a guide pipe arranged at the cone bottom, and is discharged to the waste oil barrel 16 through the demulsification separator oil discharge pipe 47. According to the invention, the oil-water mixture is firstly separated through the separating pipe 55, then the oil-water mixture is changed into a water curtain shape through the separating ring 54, and finally oil-water separation is carried out through the oil-water separation membrane 53, and by adopting the method, on one hand, the oil-water mixture falling into the oil-water separation membrane 53 can be more uniform, and the oil-water separation effect is improved; on the other hand, the oil-water separation film 53 has a tapered funnel shape, and can increase the flow area of the oil-water mixture, thereby improving the oil-water separation effect.
(3) The separated water falls on the surface of the diversion cone 52, slides along the conical slope of the diversion cone 52, gathers at the cone bottom edge of the diversion cone 52, then flows into the diversion pipe 57, flows into the lower cavity in the demulsification separator tank 44 after diversion by the diversion pipe 57. The water body in the demulsification separator tank 44 can also continue to separate oil from water only by gravity, so that the oil-water separation efficiency is improved.
(4) In addition, a small amount of oil-water mixture is fed into the lower cavity in the demulsification separator tank 44 through the side feed pipe 45, and the liquid level in the demulsification separator tank 44 is kept in a constant zone by adjusting the conveying amount of the side feed pipe 45, so that the oil layer on the upper layer of the water body is higher than the upper end of the demulsification separator oil discharge pipe 47, and the separated oil layer can flow into the demulsification separator oil discharge pipe 47 from the upper side of the demulsification separator oil discharge pipe 47 and be discharged from the demulsification separator oil discharge pipe 47. Wherein, through setting up distribution plate 51 and showy ring 56, the oil body and the water after the oil-water separation can be separated to distribution plate 51, and showy ring 56 makes distribution plate 51 float under the effect of water buoyancy for form effective separation interface between water and the oil body, guarantee the separation effect of water layer and oil reservoir.
This demulsification separation processing unit is through top inlet pipe, branch material pipe, the shunt ring, the water oil separating membrane, water conservancy diversion toper spare and the honeycomb duct of setting for the oil-water mixture after adding the demulsifier gets into branch material pipe from the top inlet pipe, and flows into the shunt ring, flows into the water oil separating membrane surface from the shunt ring, and water oil separating membrane carries out oil-water separation, and the water passes the membrane body and falls at the water conservancy diversion toper spare, finally flows into the internal lower part cavity of jar through the honeycomb duct, and the oil body after the separation is from oil water separating membrane center whereabouts in oil drain pipe, makes the separation rate of oil body and water obtain improving.
The demulsification separation treatment unit is provided with demulsification separator sludge water real-time monitoring equipment, and the demulsification separator sludge water real-time monitoring equipment monitors the sludge water of the demulsification separation treatment unit in real time, and specifically comprises: sampling in real time from the water inlet end of the demulsification separation processing unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, and adjusting the water inlet flow rate of the demulsification separation processing unit and the dosage of the demulsifier dosing unit according to the analyzed thickness of the oil layer and the analyzed sedimentation thickness of the mud layer, so that the water inlet flow rate and the dosage of the demulsifier can ensure the optimal separation effect of the demulsification separation processing unit.
Specifically, the demulsification separator sludge water real-time monitoring equipment comprises a third graduated glassware 31, a third camera 32, a third sampling regulating valve 33 and a third data line 34;
the third graduated glassware 31 and the third camera 32 are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a third sampling regulating valve 33 arranged on a water inlet pipeline of the demulsification separation processing unit, and the other end of the sampling tube extends into the third graduated glassware 31; the collection view of the third camera 32 faces the third graduated glassware 31, and the third camera 32 is connected with the PLC control cabinet 35 through the third data line 34;
the PLC control cabinet 35 is connected to the computer 42.
In the present application, the scale marks on the third graduated glassware 31 use a fluorescence effect; the third camera 32 shoots the wastewater image in the third glass tool 31 with scales in real time and transmits the wastewater image to the PLC control cabinet 35 and the computer 42, the computer 42 analyzes the wastewater image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, and the water inflow velocity and the dosage of the demulsifier dosing unit are controlled to show that the oil separation effect is better if the oil layer thickness is not obvious, and the water inflow velocity is reduced and the dosage of the demulsifier is increased if the oil layer thickness is obvious, so that the optimal separation effect of the demulsification separation treatment unit is ensured.
(IV) Water collecting Unit
The water collecting unit comprises a water collecting tank 3 and a water collecting tank lifting pump 20; the bottom of the water collecting tank 3 is provided with the water collecting tank lifting pump 20; the sump lift pump 20 communicates with a sump drain pipe.
Fifth, oil sludge water real-time monitoring equipment
In the invention, the oil sludge water real-time monitoring equipment comprises oil sludge water real-time monitoring equipment of an oil separation tank, oil sludge water real-time monitoring equipment of a high-density clarification tank, oil sludge water real-time monitoring equipment of a demulsification separator, a PLC (programmable logic controller) control cabinet 35 and a computer 42.
The structure and principle of the oil separation tank oil sludge water real-time monitoring device, the high-density clarification tank oil sludge water real-time monitoring device and the demulsification separator oil sludge water real-time monitoring device are described above, and are not described in detail herein.
In a specific implementation, the equipment room 43 is configured, so that the waste oil tank 16, the PLC control cabinet 35, the first graduated glass device 23, the first camera 24, the first data line 26, the second graduated glass device 27, the second camera 28, the second data line 30, the third graduated glass device 31, the third camera 32, the third data line 34, the PLC control cabinet 35, the flocculant dosing tank 36, the flocculant dosing pump 37, the demulsifier dosing tank 38 and the demulsifier dosing pump 39 are all located in the equipment room 43, the equipment room 43 is a closed space, and a uniform light source is arranged at the top of the space.
The invention also provides a method for repairing the wastewater treatment device by the full-automatic machine for the hydraulic and hydroelectric engineering, which comprises the following steps:
step 1, controlling the flow rate of mechanical repair wastewater, so that the mechanical repair wastewater flows into an automatic multifunctional oil separation treatment unit according to a set flow rate;
the automatic multifunctional oil separation treatment unit performs oil-water separation on the mechanical repair wastewater, collects suspended oil with the particle size of more than 50 mu m, and enables the suspended oil to flow into the waste oil barrel 16;
the wastewater after oil sludge water separation is mixed with flocculant added by a flocculant adding unit and flows into a high-density clarification treatment unit;
therefore, the automatic multifunctional oil separation treatment unit can effectively remove suspended oil with the particle size of more than 50 mu m. Aiming at the characteristics of small water quantity and intermittent operation of the mechanical repair wastewater, the mechanical repair wastewater slowly flows into the automatic multifunctional oil separation tank 1 by controlling the water inlet gate 11, and the waste oil in the automatic multifunctional oil separation tank 1 overflows to the collecting barrel 15; the horizontal flow rate of the automatic multifunctional oil separation tank 1 is designed according to 1-2 mm/s, the residence time of the automatic multifunctional oil separation tank 1 is designed according to 12 hours, the oil storage volume from the lower end of the cover plate 14 to the water surface is equal to 30% of the effective volume of the automatic multifunctional oil separation tank 1, and suspended oil with the size of more than 50 mu m can be effectively removed.
Step 2, the high-density clarification unit further performs mud-water separation on the inflow wastewater, and the separated sludge is discharged for recycling; the high-density clarification treatment unit removes SS, and the obtained supernatant is mixed with the demulsifier added by the demulsifier dosing unit and flows into the demulsification separation treatment unit;
in the present invention, the surface load of the high-density clarification treatment unit was 0.6m 3 /(m 3 ·h)～1.5m 3 /(m 3 H) the residence time is designed to be 1.0 to 2.0 h. The water outlet of the high-density clarification tank 2 is provided with a water collecting tank 18, so as to achieve the purpose of uniform water quantity. Through the flocculation precipitation process, SS can be effectively removed.
Step 3, the demulsification separation treatment unit further carries out oil-sludge separation on the inflow wastewater, the wastewater is treated by the demulsification separation treatment unit, the dispersed oil and the emulsified oil with the particle size of more than 10 mu m are effectively separated, the separated oil body flows into the waste oil barrel 16, and the separated water body flows into the water collecting unit;
step 4, the water collected in the water collecting unit is lifted to a recycling point after being disinfected;
specifically, the water collecting unit stores the sterilized clear water, water is supplied from the water collecting unit to the construction water point, and the residence time is designed according to 24 hours.
In the invention, in the running process of the full-automatic mechanical repair wastewater treatment device for the hydraulic and hydroelectric engineering, the thicknesses of an oil layer and a mud layer at the sample injection ends of an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit and a demulsification separation treatment unit are displayed on a display of a computer 42 in real time, and the effects of oil, mud and water separation are evaluated and early-warning feedback is carried out.
Wherein:
when the automatic multifunctional oil separation treatment unit, the high-density clarification treatment unit and the demulsification separation treatment unit are used for separating oil from sludge, the device further comprises:
the oil sludge water of the automatic multifunctional oil separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the oil separation tank, and the oil sludge water monitoring equipment is specifically as follows: sampling in real time from a water inlet end of the automatic multifunctional oil removal processing unit, collecting a waste water image of a sampling sample, analyzing the waste water image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the automatic multifunctional oil removal processing unit and the height of the collecting barrel 15 according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the optimal separation effect of the automatic multifunctional oil removal processing unit can be ensured by the water inlet flow rate and the accurate oil collection;
the sludge water of the high-density clarification treatment unit is monitored in real time through the sludge water real-time monitoring equipment of the high-density clarification tank, and the method specifically comprises the following steps: sampling in real time from a water inlet end of the high-density clarification unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the high-density clarification unit, the dosage of a flocculating agent dosing unit and the mud discharging time according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the water inlet flow rate, the flocculating agent dosage and the mud discharging time can ensure the optimal separation effect of the high-density clarification unit;
The oil sludge water of the demulsification separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the demulsification separator, and the oil sludge water real-time monitoring equipment specifically comprises: sampling in real time from the water inlet end of the demulsification separation processing unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, and adjusting the water inlet flow rate of the demulsification separation processing unit and the dosage of the demulsifier dosing unit according to the analyzed thickness of the oil layer and the analyzed sedimentation thickness of the mud layer, so that the water inlet flow rate and the dosage of the demulsifier can ensure the optimal separation effect of the demulsification separation processing unit.
The invention adopts the following method to analyze the wastewater image in real time to obtain the thickness of the oil layer and the thickness of the mud layer as shown in fig. 8:
step 5.1, acquiring a wastewater image by using a high-definition camera; for example, a 1080p high definition camera is used to capture the wastewater image as a subsequently processed image.
Step 5.2, carrying out Gaussian blur processing on each pixel point (x, y) in the wastewater image by adopting the following formula to obtain processed pixel points P (x, y), thereby obtaining a Gaussian blur processed wastewater image formed by a plurality of processed pixel points P (x, y), wherein the Gaussian blur processed wastewater image can greatly reduce high-frequency noise and random noise points in the image, thereby realizing image smoothing and enabling edges of an oil film, a water layer and a mud layer in the image to be clearer;
Wherein: x and y represent image coordinates of pixel points in the wastewater image, sigma is a standard deviation of a Gaussian kernel function, and the calculation method comprises the following steps: performing blurring processing by using a 3×3 gaussian convolution kernel pixel point (x, y), and calculating a sigma value according to a 3×3 gaussian kernel;
and 5.3, performing color space conversion on the wastewater image after Gaussian blur processing, converting each pixel point in the wastewater image after Gaussian blur processing from BGR color space to HSV color space to obtain the wastewater image after color space conversion, and performing color space conversion, so that an oil layer and a mud layer in the image can be accurately identified according to the converted color. The specific method comprises the following steps:
step 5.3.1, for each pixel point P (x, y), having a B channel value, a G channel value, and an R channel value; taking the maximum value of the B channel value, the G channel value and the R channel value as an image brightness value V, wherein the formula is as follows: v=max (B, G, R);
step 5.3.2, obtaining the image saturation S of the pixel point P (x, y) by adopting the following formula:
step 5.3.3, obtaining the hue H of the pixel point P (x, y) by adopting the following method:
judging whether the image brightness value V obtained in the step 5.3.1 is the minimum value of the B channel value, the G channel value and the R channel value, and if so, enabling the hue H to be 0; if not, the hue initial value H' is obtained by adopting the following formula:
If the hue initial value H "<0, the hue H=H" +360, and the hue H is within the value range of (0, 360); if the initial hue value H '> 0, the hue H=H' -360, and the hue H is within the value range of (0, 360), thereby obtaining the hue H;
step 5.4, determining a color range of the oil film in the HSV color space, including an oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 )；
Determining a color range of the mud layer in the HSV color space, including a mud layer low threshold color (H 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 )；
In this step, taking an oil film as an example, the following method may be used to determine the color range of the oil film in the HSV color space:
given the oil film hue difference DeltaH, since hue H is a circle in HSV color space, its value is usually between 0-360 degrees, in order to ensure that the calculated upper and lower bounds will not exceed this range, the oil film center hue HC and oil film hue difference DeltaH are given, and the upper boundary value H of oil film hue is obtained by adopting the following formula upper And lower boundary value H of oil film hue lower ：
H lower ＝(HC-△H)mod360
H upper ＝(HC+△H)mod360
Due to saturationThe sum S and the luminance V are usually between 0 and 1, and therefore, given the oil film saturation difference DeltaS and the oil film luminance difference DeltaV, the oil film saturation upper boundary S is obtained by the following formula upper Lower boundary S of oil film saturation lower Upper boundary V of oil film brightness upper Upper boundary V of oil film brightness lower ：
S lower ＝max(HC-△S,0)
S upper ＝min(HC+△S,1)
V lower ＝max(HC-△V,0)
V upper ＝min(HC+△V,1)
Thereby determining the oil film low threshold color (H lower ,S lower ,V lower ) Namely (H) 1 ,S 1 ,V 1 ). Oil film high threshold color (H) upper ,S upper ,V upper ) Namely (H) 2 ,S 2 ,V 2 )。
When the color range of the mud layer in the HSV color space is determined, the values of delta H, HC, delta S and delta V are only required to be adjusted according to the characteristics of the mud layer.
Step 5.5, determining the oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at low threshold color (H) 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Take value between, create first mask 1 Using a first mask 1 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched first mask interception area from the wastewater image obtained in the step 5.3, wherein the first mask interception area is an oil film area extracted from the wastewater image obtained in the step 5.3;
the mud layer low threshold colour (H) determined according to step 5.4 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at the mud layer low thresholdColor (H) 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Take value between, establish the second mask 2 Using a second mask 2 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched second mask interception area from the wastewater image obtained in the step 5.3, wherein the second mask interception area is a mud layer area extracted from the wastewater image obtained in the step 5.3;
step 5.6, analyzing the first mask interception area, extracting to obtain an oil film profile, and analyzing the oil film profile to obtain the oil film thickness; analyzing the second mask interception area, extracting to obtain a mud layer profile, and analyzing the mud layer profile to obtain the mud layer thickness.
The full-automatic mechanical repair wastewater treatment device and method for the hydraulic and hydroelectric engineering provided by the invention have the following advantages: the hydraulic and hydroelectric engineering machine can effectively treat the hydraulic and hydroelectric engineering machine repairing wastewater, guide the environmental protection design of the hydraulic and hydroelectric industry, sample oil and mud water and computer vision through an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit and a demulsification separation treatment unit, monitor oil, mud and water in real time and perform early warning feedback, and have the characteristics of good water outlet effect, no humanization, simplicity and convenience in operation, accurate oil collection, dosing and the like. Meanwhile, technical parameters suitable for mechanically repairing the wastewater are adopted.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which is also intended to be covered by the present invention.
Claims (10)
1. The full-automatic mechanical repair wastewater treatment device for the water conservancy and hydropower engineering is characterized by comprising an automatic multifunctional oil separation treatment unit, a high-density clarification treatment unit, a demulsification separation treatment unit, a water collecting unit, a waste oil barrel (16), a flocculating agent dosing unit and a demulsifier dosing unit;
the automatic multifunctional oil separation treatment unit is used for separating oil, mud and water, the separated waste water outlet end is connected to the waste water inlet end of the high-density clarification treatment unit after being mixed by adding medicines through the flocculant adding unit, and the separated waste oil outlet end is connected to the waste oil barrel (16); the high-density clarification treatment unit is used for separating mud from water, and the separated supernatant liquid water outlet end is connected to the wastewater water inlet end of the demulsification separation treatment unit after being subjected to dosing and mixing by the demulsifier dosing unit, and the separated oily sludge is discharged; the demulsification separation treatment unit is used for separating oil, mud and water, the separated water body is connected to the water inlet end of the water collecting unit, and the separated oil body is connected to the waste oil barrel (16).
2. The full-automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering according to claim 1, wherein the automated multifunctional oil separation treatment unit comprises: an automatic multifunctional oil separation tank (1), a left vertical guide rail (4), a waste oil outlet pipe (5), a waste water outlet pipe (6), a right vertical guide rail (7), an automatic multifunctional oil separation tank lifting pump (8), a water collecting pit (9), a waste oil lifting pump (10), a water inlet gate (11), a water inlet pipe (12), a vent pipe (13), a cover plate (14), a collecting barrel (15), a horizontal guide rail (21) and an electric control telescopic rod (22);
one side of the automatic multifunctional oil separation tank (1) is respectively communicated with the water inlet pipe (12) and the vent pipe (13), and the water inlet pipe (12) is provided with the water inlet gate (11); the automatic multifunctional oil separation tank is characterized in that a water collecting pit (9) is arranged in the automatic multifunctional oil separation tank (1) far away from the water inlet side, the pit bottom of the water collecting pit (9) is lower than the tank bottom of the automatic multifunctional oil separation tank (1), an automatic multifunctional oil separation tank lifting pump (8) is arranged in the water collecting pit (9), a liquid outlet of the automatic multifunctional oil separation tank lifting pump (8) is connected with a wastewater outlet pipe (6), and a water outlet end of the wastewater outlet pipe (6) penetrates through the tank wall of the automatic multifunctional oil separation tank (1);
The left vertical guide rail (4) and the right vertical guide rail (7) are oppositely arranged on the left side wall and the right side wall of the automatic multifunctional oil separation tank (1), the cover plate (14) is arranged at the top of the automatic multifunctional oil separation tank (1), and the cover plate (14) can vertically lift along the left vertical guide rail (4) and the right vertical guide rail (7); the bottom surface of the cover plate (14) is provided with the horizontal guide rail (21), the electric control telescopic rod (22) is vertically arranged, the top of the electric control telescopic rod is in sliding connection with the horizontal guide rail (21), and the collecting barrel (15) is hung at the bottom of the electric control telescopic rod, so that the collecting barrel (15) is hung in the automatic multifunctional oil separation tank (1); the inside of the collecting barrel (15) is provided with the waste oil lifting pump (10), a liquid outlet of the waste oil lifting pump (10) is connected with the waste oil outlet pipe (5), and an oil outlet end of the waste oil outlet pipe (5) penetrates through the cover plate (14); the horizontal guide rail (21) is a crisscross guide rail.
3. The full-automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering according to claim 2, characterized in that the wastewater outlet pipe (6) is connected to the wastewater inlet end of the high-density clarification treatment unit; a water outlet valve (17) and a first pipeline mixer (40) are sequentially arranged in the wastewater outlet pipe (6); the medicine feeding end of the first pipeline mixer (40) is connected with the flocculant adding unit; wherein, the flocculant dosing unit comprises a flocculant dosing barrel (36) and a flocculant dosing pump (37).
4. The full-automatic mechanical repair wastewater treatment device for water conservancy and hydropower engineering according to claim 1, wherein the high-density clarification unit comprises a high-density clarification tank (2), a water collecting tank (18) and a sewage sludge end (19);
the top of the high-density clarification tank (2) is provided with the water collecting tank (18), the bottom of the high-density clarification tank (2) is conical, and the conical bottom is the sewage sludge end (19).
5. The full-automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering according to claim 4, wherein a water discharge end of the water collecting tank (18) is connected to a water inlet end of the demulsification separation treatment unit, a second pipeline mixer (41) is installed at the water discharge end of the water collecting tank (18), and a medicine inlet end of the second pipeline mixer (41) is connected with the demulsifier dosing unit; the demulsifier dosing unit comprises a demulsifier dosing barrel (38) and a demulsifier dosing pump (39).
6. The full-automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering according to claim 1, wherein the demulsification separation treatment unit comprises a demulsification separator tank (44), a demulsification separator drain pipe (46), a demulsification separator oil drain pipe (47), a top feed pipe (50), a diversion cone (52), an oil-water separation membrane (53), a diversion ring (54), a separation pipe (55) and a diversion pipe (57);
The top center of the demulsification separator tank body (44) is communicated with the top feed pipe (50); the demulsification separator tank body (44) is internally provided with a diverter ring (54) which is tightly attached to the annular inner wall of the demulsification separator tank body (44) and is positioned below the top feed pipe (50), and a plurality of distributing pipes (55) are radially communicated between the discharge end of the top feed pipe (50) and the diverter ring (54); the material dividing pipe (55) is obliquely arranged; the oil-water separation film (53) is arranged below the shunt ring (54); the lower part of the oil-water separation film (53) is provided with the diversion cone (52), and the edge of the lower surface of the diversion cone (52) is in scattered communication with a plurality of diversion pipes (57) which are vertically arranged;
an oil inlet of the demulsification separator oil discharge pipe (47) is positioned right below the center of the oil-water separation film (53) and is communicated with the center of the oil-water separation film (53); an oil drain port of the demulsification separator oil drain pipe (47) extends out from the bottom of the demulsification separator tank body (44); the side wall of the lower part of the demulsification separator tank body (44) is provided with the demulsification separator drain pipe (46).
7. The full-automatic mechanical repair wastewater treatment device for water conservancy and hydropower engineering according to claim 6, wherein the oil-water separation membrane (53) is in a conical funnel shape, the conical surface is an oil-water separation membrane part, the conical bottom is an oil phase gathering position, and the conical bottom is provided with a guide pipe;
The flow guiding conical part (52) is a conical slope, the cone top of the flow guiding conical part is positioned right below the cone bottom of the oil-water separation film (53), and the cone top of the flow guiding conical part (52) is provided with a through hole for oil phase to pass through;
a distribution plate (51) can be sleeved at the position, close to the oil inlet, of the oil discharge pipe (47) of the demulsification separator in a vertically sliding manner, the distribution plate (51) is positioned below the diversion cone (52), and the distribution plate (51) is provided with distribution holes; the demulsification separator oil discharge pipe (47) is arranged outside and below the distribution plate (51), and a floating ring (56) is slidably arranged; a side feeding pipe (45) is arranged on the side wall of the demulsification separator tank body (44); the side feeding pipe (45) is positioned below the guide pipe (57); an observation window (48) is formed in the side wall of the demulsification separator tank body (44); the bottom of the demulsification separator tank body (44) is provided with supporting legs (49);
the water collecting unit comprises a water collecting tank (3) and a water collecting tank lifting pump (20); the bottom of the water collecting tank (3) is provided with the water collecting tank lifting pump (20); the water collecting tank lifting pump (20) is communicated with a water collecting tank drain pipe.
8. The full-automatic mechanical repair wastewater treatment device for water conservancy and hydropower engineering according to claim 1, further comprising oil separation tank sludge water real-time monitoring equipment, high-density clarifier sludge water real-time monitoring equipment, demulsification separator sludge water real-time monitoring equipment, a PLC control cabinet (35) and a computer (42);
The oil removal pond oil sludge water real-time monitoring equipment comprises a first graduated glassware (23), a first camera (24), a first sampling regulating valve (25) and a first data line (26);
the first graduated glass device (23) and the first camera (24) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a first sampling regulating valve (25) arranged on a water inlet pipeline of the automatic multifunctional oil separation treatment unit, and the other end of the sampling tube extends into the first graduated glass device (23); the acquisition view of the first camera (24) faces the first graduated glass appliance (23), and the first camera (24) is connected with the PLC control cabinet (35) through the first data line (26);
the high-density clarifier sludge water real-time monitoring equipment comprises a second graduated glassware (27), a second camera (28), a second sampling regulating valve (29) and a second data line (30);
the second graduated glass device (27) and the second camera (28) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with the second sampling regulating valve (29) arranged at the water inlet end of the high-density clarification treatment unit, and the other end of the sampling tube extends into the second graduated glass device (27); the acquisition view field of the second camera (28) faces the second graduated glassware (27), and the second camera (28) is connected with the PLC control cabinet (35) through the second data line (30);
The demulsification separator sludge water real-time monitoring device comprises a third graduated glassware (31), a third camera (32), a third sampling regulating valve (33) and a third data line (34);
the third graduated glass device (31) and the third camera (32) are arranged in a closed space with a uniform light source, one end of a sampling tube is communicated with a third sampling regulating valve (33) arranged on a water inlet pipeline of the demulsification separation processing unit, and the other end of the sampling tube extends into the third graduated glass device (31); the acquisition view field of the third camera (32) faces the third graduated glassware (31), and the third camera (32) is connected with the PLC control cabinet (35) through the third data line (34);
the PLC control cabinet (35) is connected with the computer (42).
9. A method of fully automatic mechanical repair wastewater treatment plant for hydraulic and hydroelectric engineering according to any of claims 1 to 8, comprising the steps of:
step 1, controlling the flow rate of mechanical repair wastewater, so that the mechanical repair wastewater flows into an automatic multifunctional oil separation treatment unit according to a set flow rate;
the automatic multifunctional oil separation treatment unit performs oil-water separation on the mechanical repair wastewater, collects suspended oil with the particle size of more than 50 mu m, and enables the suspended oil to flow into the waste oil barrel (16);
The wastewater after oil sludge water separation is mixed with flocculant added by a flocculant adding unit and flows into a high-density clarification treatment unit;
step 2, the high-density clarification unit further performs mud-water separation on the inflow wastewater, and the separated sludge is discharged for recycling; the high-density clarification treatment unit removes SS, and the obtained supernatant is mixed with the demulsifier added by the demulsifier dosing unit and flows into the demulsification separation treatment unit;
step 3, the demulsification separation treatment unit further carries out oil-sludge separation on the inflow wastewater, the wastewater is treated by the demulsification separation treatment unit, the dispersed oil and the emulsified oil with the particle size of more than 10 mu m are effectively separated, the separated oil body flows into a waste oil barrel (16), and the separated water body flows into a water collecting unit;
step 4, the water collected in the water collecting unit is lifted to a recycling point after being disinfected;
wherein:
when the automatic multifunctional oil separation treatment unit, the high-density clarification treatment unit and the demulsification separation treatment unit are used for separating oil from sludge, the device further comprises:
the oil sludge water of the automatic multifunctional oil separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the oil separation tank, and the oil sludge water monitoring equipment is specifically as follows: sampling in real time from a water inlet end of the automatic multifunctional oil removal processing unit, collecting a waste water image of a sampling sample, analyzing the waste water image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the automatic multifunctional oil removal processing unit and the height of a collecting barrel (15) according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the water inlet flow rate and the accurate oil collection can ensure the optimal separation effect of the automatic multifunctional oil removal processing unit;
The sludge water of the high-density clarification treatment unit is monitored in real time through the sludge water real-time monitoring equipment of the high-density clarification tank, and the method specifically comprises the following steps: sampling in real time from a water inlet end of the high-density clarification unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain an oil layer thickness and a mud layer sedimentation thickness, and adjusting the water inlet flow rate of the high-density clarification unit, the dosage of a flocculating agent dosing unit and the mud discharging time according to the analyzed oil layer thickness and mud layer sedimentation thickness, so that the water inlet flow rate, the flocculating agent dosage and the mud discharging time can ensure the optimal separation effect of the high-density clarification unit;
the oil sludge water of the demulsification separation treatment unit is monitored in real time through oil sludge water real-time monitoring equipment of the demulsification separator, and the oil sludge water real-time monitoring equipment specifically comprises: sampling in real time from the water inlet end of the demulsification separation processing unit, collecting a wastewater image of a sampling sample, analyzing the wastewater image in real time to obtain the thickness of an oil layer and the sedimentation thickness of a mud layer, and adjusting the water inlet flow rate of the demulsification separation processing unit and the dosage of the demulsifier dosing unit according to the analyzed thickness of the oil layer and the analyzed sedimentation thickness of the mud layer, so that the water inlet flow rate and the dosage of the demulsifier can ensure the optimal separation effect of the demulsification separation processing unit.
10. The method for fully automatic mechanical repair wastewater treatment device for hydraulic and hydroelectric engineering according to claim 9, wherein the following method is adopted to analyze the wastewater image in real time to obtain the oil layer thickness and the mud layer sedimentation thickness:
step 5.1, acquiring a wastewater image by using a high-definition camera;
step 5.2, carrying out Gaussian blur treatment on each pixel point (x, y) in the wastewater image by adopting the following formula to obtain a treated pixel point P (x, y), thereby obtaining a Gaussian blur treated wastewater image formed by a plurality of treated pixel points P (x, y), wherein the edges of an oil film, a water layer and a mud layer of the Gaussian blur treated wastewater image are clearer;
wherein: x and y represent image coordinates of pixel points in the wastewater image, sigma is a standard deviation of a Gaussian kernel function, and the calculation method comprises the following steps: performing blurring processing by using a 3×3 gaussian convolution kernel pixel point (x, y), and calculating a sigma value according to a 3×3 gaussian kernel;
step 5.3, performing color space conversion on the wastewater image after Gaussian blur treatment, and converting each pixel point in the wastewater image after Gaussian blur treatment from BGR color space to HSV color space to obtain the wastewater image after color space conversion, wherein the specific method comprises the following steps:
Step 5.3.1, for each pixel point P (x, y), having a B channel value, a G channel value, and an R channel value; taking the maximum value of the B channel value, the G channel value and the R channel value as an image brightness value V, wherein the formula is as follows: v=max (B, G, R);
step 5.3.2, obtaining the image saturation S of the pixel point P (x, y) by adopting the following formula:
step 5.3.3, obtaining the hue H of the pixel point P (x, y) by adopting the following method:
judging whether the image brightness value V obtained in the step 5.3.1 is the minimum value of the B channel value, the G channel value and the R channel value, and if so, enabling the hue H to be 0; if not, the hue initial value H' is obtained by adopting the following formula:
if the hue initial value H "<0, the hue H=H" +360, and the hue H is within the value range of (0, 360); if the initial hue value H '> 0, the hue H=H' -360, and the hue H is within the value range of (0, 360), thereby obtaining the hue H;
step 5.4, determining a color range of the oil film in the HSV color space, including an oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 )；
Determining a color range of the mud layer in the HSV color space, including a mud layer low threshold color (H 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 )；
Step 5.5, determining the oil film low threshold color (H 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at low threshold color (H) 1 ,S 1 ,V 1 ) And oil film high threshold color (H) 2 ,S 2 ,V 2 ) Take value between, create first mask 1 Using a first mask 1 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched first mask interception area from the wastewater image obtained in the step 5.3, wherein the first mask interception area is an oil film area extracted from the wastewater image obtained in the step 5.3;
the mud layer low threshold colour (H) determined according to step 5.4 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Performing color matching on the wastewater image obtained in the step 5.3, wherein the method comprises the following steps: at mud layer low threshold color (H 3 ,S 3 ,V 3 ) And mud layer high threshold color (H) 4 ,S 4 ,V 4 ) Take value between, establish the second mask 2 Using a second mask 2 Performing color matching on the wastewater image obtained in the step 5.3, and obtaining a matched second mask interception area from the wastewater image obtained in the step 5.3, wherein the second mask interception area is a mud layer area extracted from the wastewater image obtained in the step 5.3;
step 5.6, analyzing the first mask interception area, extracting to obtain an oil film profile, and analyzing the oil film profile to obtain the oil film thickness; analyzing the second mask interception area, extracting to obtain a mud layer profile, and analyzing the mud layer profile to obtain the mud layer thickness.
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| CN116395920A (en) * | 2023-06-09 | 2023-07-07 | 成都硕特科技股份有限公司 | Oil removal device and oil removal method for coal chemical wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118221261A (en) * | 2024-05-23 | 2024-06-21 | 潍坊天创生物科技有限公司 | Self-adaptive sewage treatment system |
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