CN110272148B - Waste water treatment system of boiler - Google Patents
Waste water treatment system of boiler Download PDFInfo
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- CN110272148B CN110272148B CN201910557039.6A CN201910557039A CN110272148B CN 110272148 B CN110272148 B CN 110272148B CN 201910557039 A CN201910557039 A CN 201910557039A CN 110272148 B CN110272148 B CN 110272148B
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a wastewater treatment system of a boiler, relating to the technical field of thermoelectricity and comprising a wastewater recovery tank, a primary washing device, a clarification tank, a filter and a raw water collection tank which are sequentially communicated. The invention has the following advantages and effects: carry out continuous processing to sewage through setting up continuous processing mechanism, realize in time handling and the recovery of sewage to reduce the waste of water resource, reached the effect that has improved waste water utilization.
Description
Technical Field
The invention relates to the technical field of thermoelectricity, in particular to a waste water treatment system of a boiler.
Background
Utility boilers are, in popular terms, boilers used by power plants to generate electricity, and there are two main types of utility boilers: pulverized coal furnaces and circulating fluidized bed boilers, which are the main types used in power stations today.
When adopting power plant boiler electricity generation, can produce a large amount of waste water usually, when handling waste water, often need transport waste water to special waste water treatment station, handle the back through waste water treatment station, discharge pollution-free waste water to lake or river network again to lead to the utilization ratio of waste water lower, wait to improve.
Disclosure of Invention
The invention aims to provide a wastewater treatment system of a boiler, which has the effect of improving the utilization rate of wastewater.
The technical purpose of the invention is realized by the following technical scheme: the utility model provides a wastewater treatment system of boiler, is including the waste water recovery pond, the device of just washing, depositing reservoir, filter and the raw water collecting box that communicate the setting in proper order.
Through adopting above-mentioned technical scheme, when using above-mentioned effluent disposal system, discharge boiler exhaust waste water and store in the waste water recovery pond, then through washing the device preliminary washing and filtering after, filter the large granule impurity in the sewage. Pour into the clarification pond again with sewage afterwards, coagulate, deposit sewage, carry out final filtration back through the filter at last, remove the tiny particle impurity of aquatic, pour into raw water collecting box with the raw water after handling into at last in, realize the processing and the recovery again of sewage to reduce the waste of water resource, reached the effect that has improved waste water utilization.
The invention is further provided with: the clarification tank comprises a reaction tank, a water inlet pipe and a water outlet pipe which are communicated with the interior of the reaction tank are respectively arranged on two sides of the reaction tank, and a dosing device is arranged on the water inlet pipe; the chemical dosing device comprises a portal frame arranged on the water inlet pipe, a motor is arranged below the portal frame, an annular switch board is horizontally arranged above the portal frame, and a plurality of support rods fixed on the inner wall of the switch board are uniformly arranged on a machine shaft of the motor; the water inlet pipe is also provided with a supporting seat, the supporting seat is provided with a medicine storage hopper positioned above the switch board, and the lower end of the medicine storage hopper is provided with a medicine inlet pipe abutting against the upper end face of the switch board; a medicine discharge pipe communicated with the inside of the water inlet pipe is vertically arranged on the water inlet pipe, the medicine discharge pipe is positioned right below the medicine inlet pipe, and the upper end of the medicine discharge pipe is abutted against the lower end face of the switch plate; the switch board is provided with a plurality of groups of medicine discharge holes in a penetrating manner, the medicine discharge holes are used for communicating the medicine inlet pipes and the medicine discharge pipes, and the plurality of groups of medicine discharge holes are uniformly distributed along the circumferential direction of the switch board.
Through adopting above-mentioned technical scheme, when the depositing reservoir during operation, in discharging sewage into the reaction tank along the inlet tube, utilize the medication dosing device to put in the medicine to sewage simultaneously for the medicine flows to the reaction tank along with sewage is common. When the medicine feeding device during operation, the starter motor earlier utilizes the motor drive switch board to rotate, simultaneously under the effect in the row's of multiunit interval setting medicine hole for advance the indirect intercommunication of pencil and arrange the pencil, medicine intermittent type nature drops to in the pencil promptly, and mixes with sewage, realizes the automatic ration of medicine and puts in. Consequently realize the ration of sewage and medicine and mix, make both's mixture more even simultaneously to improved the purifying effect of sewage, made the processing of sewage more thorough, reduce the impurity content in the sewage after the processing simultaneously, make the sewage after the processing can reuse, reached the effect that improves waste water utilization.
The invention is further provided with: it is close to advance the pencil one side of motor is provided with the inside slide opening of intercommunication, horizontal sliding connection has the slide bar in the slide opening, the slide bar is located advance the inside vertical puddler that is provided with of pencil one end, and be provided with on the bracing piece and be used for the drive slide bar reciprocating motion's actuating mechanism.
Through adopting above-mentioned technical scheme, when the medicine dosing device during operation, the motor drives bracing piece synchronous motion, and the work of bracing piece control actuating mechanism, actuating mechanism drive slide bar reciprocating motion this moment, and the slide bar drives the puddler motion to stir advancing intraductal medicine, thereby avoid advancing intraductal medicine arch stopper phenomenon to appear. Therefore, the medicine in the medicine inlet pipe can be smoothly discharged downwards, the discharge amount of the medicine is kept, and the sewage and the medicine are fully mixed.
The invention is further provided with: the driving mechanism comprises a supporting rod vertically arranged on the supporting rod and a driving rod horizontally arranged on the supporting rod, an arc-shaped guide surface is arranged at one end of the sliding rod positioned outside the medicine inlet pipe, and a convex block used for abutting against the guide surface is arranged on the driving rod; the slide bar is located be provided with the board that resets on advancing the outside position of pencil, the slide bar outer wall cover is equipped with the spring, the spring is located advance the pencil outer wall with reset between the board.
By adopting the technical scheme, when the driving mechanism works, the supporting rod drives the supporting rod and the driving rod to synchronously move, and the driving rod drives the convex block to gradually approach to the guide surface on the sliding rod. Until the lug is abutted against the guide surface, the lug presses the sliding rod to slide inwards, and meanwhile, the sliding rod drives the reset plate to press the spring to compress. When the lug continues to move and is separated from the guide surface on the sliding rod, the spring extends and drives the sliding rod to move reversely, so that the reciprocating motion of the sliding rod is controlled. The driving mechanism has simple structure and stable work, thereby realizing the stable control of the sliding rod.
The invention is further provided with: the outer wall of the stirring rod is uniformly provided with a plurality of spines.
Through adopting above-mentioned technical scheme, through setting up spine, improve the stirring effect of puddler to make the medicine discharge downwards smoothly.
The invention is further provided with: the stirring rod comprises a rod body for fixing the sharp pricks and a mounting rod arranged on the lower end face of the rod body; the upper end surface of the sliding rod is provided with a mounting hole for the mounting rod to be inserted, and the outer wall of the lower end of the rod body is provided with a circle of sealing ring which props against the upper end surface of the sliding rod and covers the mounting hole; the outer wall cover of installation pole is equipped with the wind spring, the one end of wind spring is fixed in the installation pole, and the other end is fixed in the mounting hole inner wall, the lower extreme outer wall of the body of rod is coiled there is the stay cord, the one end of stay cord is fixed in the body of rod outer wall, and the other end is fixed in advance the inner wall of pencil.
Through adopting above-mentioned technical scheme, when the slide bar inwards moves to when driving puddler synchronous motion, the stay cord is gradually under around from body of rod outer wall, drives the body of rod rotation simultaneously. At the moment, the rod body drives the mounting rod to synchronously rotate and drives the coil spring to tighten. When the sliding rod moves outwards, the coil spring springs open and drives the mounting rod and the rod body to rotate reversely, and the pull rope is wound on the rod body. Therefore, when the stirring rod moves along with the sliding rod, the stirring rod rotates, so that the stirring effect of the medicine in the medicine inlet pipe can be increased, the phenomenon of blocking of the medicine due to arching is further avoided, and the medicine can be smoothly discharged downwards.
The invention is further provided with: the initial washing device comprises a vertically arranged tank body, a filter layer is filled in the tank body, a water inlet is formed in the lower end of the tank body, and a water outlet is formed in the upper end of the tank body.
Through adopting above-mentioned technical scheme, when using above-mentioned device of just washing to carry out preliminary washing to sewage and filtering, it is internal to impress jar with sewage along the water inlet, and sewage is by the filter layer back of flowing through from bottom to top this moment, and large granule impurity in the sewage will adsorb in the inside of filter layer, and then sewage is again along delivery port discharge, accomplishes the filtration of sewage. Because the gravity of the filter layer makes the filter layer automatically form the upper-sparse lower-dense state, when sewage flows from bottom to top, the filter layer can adsorb impurities, and further the filtering degree of the sewage is improved. And the impurities can move downwards under the action of the gravity of the impurities, so that the content of the impurities in the treated sewage is reduced, and the primary washing and filtering effect of the sewage is improved.
The invention is further provided with: the filter layer comprises a pebble cushion layer, a quartz sand filter material layer and an anthracite filter material layer which are sequentially arranged from bottom to top.
Through adopting above-mentioned technical scheme, reduce the impact force of water through setting up the cobble bed course, the protection filter layer is not broken up. And because the quartz sand filter material has the advantages of pressure resistance, wear resistance, good corrosion resistance, large density, stable chemical property, strong sewage interception capability and the like, the quartz sand filter material layer can block suspended matters in sewage, and the primary washing and filtering effect of the sewage is improved. Meanwhile, the anthracite filter bed has the advantages of good compression resistance, stable chemical performance, wear resistance and insolubility in acidic and alkaline water, and in addition, the anthracite particles have rough surfaces and good adsorption capacity and dirt-containing capacity, so that the primary washing and filtering effect of sewage can be further improved.
The invention is further provided with: the inner wall of the upper end of the tank body is provided with a filter screen, and the filter screen is tightly pressed on the surface of the anthracite filter material layer.
Through adopting above-mentioned technical scheme, compress tightly whole filter layer through setting up the filter screen, avoid sewage to break away the filter layer to play the filter effect through setting up the filter screen, further increased the filtration degree of sewage, improved the cleanliness behind the sewage treatment.
The invention is further provided with: the filter comprises a filter cylinder with an opening at the upper end and a gland arranged at the upper end of the filter cylinder, the lower end of the filter cylinder is provided with a water inlet end, the upper end of the filter cylinder is provided with a water outlet end, a filter element is arranged in the filter cylinder, and the diameter of the cross section of the filter element is gradually reduced from top to bottom.
Through adopting above-mentioned technical scheme, when carrying out final filtration to sewage, press into sewage along the end of intaking and strain in the section of thick bamboo, then filter the back through the filter core, discharge pure raw water along the end of a water outlet. And the filter element with the large upper end and the small lower end is arranged, so that sewage pressed into the filter cylinder can quickly enter the filter element along the side wall of the filter element, and the treatment rate of the sewage during final filtration is improved.
In conclusion, the invention has the following beneficial effects:
1. the sewage is continuously treated by arranging the continuous treatment mechanism, so that the sewage is timely treated and recycled, the waste of water resources is reduced, and the effect of improving the utilization rate of the wastewater is achieved;
2. the quantitative dosing device is arranged, so that the sewage and the medicine are quantitatively mixed, and the sewage and the medicine are uniformly mixed, so that the treated sewage can be reused, and the effect of improving the utilization rate of the wastewater is achieved;
3. the medicine in the medicine inlet pipe is stirred by the stirring rod which is arranged to reciprocate, so that the phenomenon that the medicine in the medicine inlet pipe is arched and blocked is avoided, the discharge amount of the medicine is kept, and the sewage and the medicine are fully mixed;
4. the initial washing and filtering effect of the sewage and the cleaning degree of the sewage are improved by arranging the sewage flow sequence from bottom to top and the filtering layer with a high treatment effect;
5. through setting up the efficient and strain a section of thick bamboo and carry out final filtration to sewage, improve the processing speed when sewage final filtration.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of a preliminary washing apparatus according to an embodiment;
FIG. 3 is a schematic structural view of a clarifier of an embodiment;
FIG. 4 is a schematic structural view of a water inlet pipe of an embodiment;
FIG. 5 is a schematic view of the internal structure of the inlet water of the embodiment;
FIG. 6 is a schematic structural view of a stirring rod of the embodiment;
fig. 7 is a schematic structural view of the filter of the embodiment.
Reference numerals: 1. a wastewater recovery tank; 2. a primary washing device; 21. a tank body; 22. a filter layer; 23. a pebble cushion layer; 24. a quartz sand filter material layer; 25. an anthracite filter bed; 26. filtering with a screen; 27. a water inlet; 28. a water outlet; 3. a clarification tank; 31. a reaction tank; 32. a water inlet pipe; 33. a water outlet pipe; 34. a supporting seat; 35. a medicine storage hopper; 36. a medicine inlet pipe; 37. a medicine discharge pipe; 4. a filter; 41. a filter cartridge; 42. a gland; 43. a water inlet end; 44. a water outlet end; 45. a filter element; 5. a raw water collecting tank; 6. a medication administration device; 61. a gantry; 62. a motor; 63. a switch plate; 64. a support bar; 65. a drug discharge hole; 7. a slide hole; 71. a slide bar; 711. a guide surface; 712. a reset plate; 713. a spring; 72. a stirring rod; 73. a rod body; 74. mounting a rod; 75. pricking with a sharp point; 76. mounting holes; 77. a seal ring; 78. a coil spring; 79. pulling a rope; 8. a drive mechanism; 81. a strut; 82. a drive rod; 83. and (4) a bump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the waste water treatment system of the boiler comprises a waste water recovery tank 1, a primary washing device 2, a clarification tank 3, a filter 4 and a raw water collecting tank 5 which are sequentially communicated.
When using above-mentioned effluent disposal system, store boiler exhaust waste water discharge to waste water recovery pond 1 in, then utilize the water pump with waste water suction in the waste water recovery pond 1 to wash device 2 in just, through washing the preliminary washing filtration back of device 2 just, filter the large granule impurity in the sewage.
Then utilize the water pump to inhale the sewage after tentatively rinsing the filtration to in the depositing reservoir 3, utilize depositing reservoir 3 to coagulate, deposit sewage, thoroughly clear away the harmful substance in the sewage. Finally, after final filtration is carried out through the filter 4, small particle impurities in the sewage are removed, and finally, the treated raw water is injected into the raw water collecting box 5, so that the sewage can be treated and recycled.
As shown in fig. 1 and 2, the primary washing device 2 includes a tank 21 vertically arranged, a filter layer 22 is filled in the tank 21, and the filter layer 22 includes a pebble cushion layer 23, a quartz sand filter material layer 24, and an anthracite filter material layer 25 sequentially arranged from bottom to top.
As shown in fig. 2, a filter 26 is disposed on the inner wall of the upper end of the tank 21, the filter 26 is pressed against the surface of the anthracite filter bed 25, and a water inlet 27 is disposed at the lower end of the tank 21 and a water outlet 28 is disposed at the upper end.
When the initial washing device 2 works, sewage is pressed into the tank body 21 along the water inlet 27 at the lower end, and then the sewage flows through the pebble cushion layer 23, the quartz sand filter material layer 24, the anthracite filter material layer 25 and the filter screen 26 from bottom to top in sequence and is discharged along the water outlet 28 at the upper end, so that the sewage is filtered.
When the sewage filter works, the filter layer 22 automatically forms a state of being sparse at the top and dense at the bottom due to the gravity of the filter layer 22, so that when sewage flows from bottom to top, the filter layer 22 can fully adsorb impurities, and further the filtering degree of the sewage is improved. And the impurities can slowly move downwards under the action of the gravity of the impurities, so that the content of the impurities in the treated sewage can be reduced, and the primary washing and filtering effect of the sewage is improved.
As shown in fig. 1 and 3, the clarification tank 3 includes a reaction tank 31, a water inlet pipe 32 and a water outlet pipe 33 communicating with the interior of the reaction tank 31 are respectively provided on both sides of the reaction tank 31, and the medication administering device 6 is provided on the water inlet pipe 32.
When the clarification tank 3 works, sewage is discharged into the reaction tank 31 along the water inlet pipe 32 by using the water pump, and meanwhile, the medicine is quantitatively put into the sewage by using the medicine feeding device 6, so that the medicine and the sewage are fully mixed and then flow into the reaction tank 31 together with the sewage, and finally coagulation and sedimentation of the sewage are realized in the reaction tank 31.
As shown in fig. 3 and 4, the medication administering device 6 includes a gantry 61 disposed on the water inlet pipe 32, a motor 62 is disposed below the gantry 61, a circular switch plate 63 is horizontally disposed above the gantry 61, and a plurality of support rods 64 fixed to an inner wall of the switch plate 63 are uniformly disposed on a shaft of the motor 62.
As shown in fig. 4, the water inlet pipe 32 is further provided with a support base 34, the support base 34 is provided with a medicine storage hopper 35 located above the switch plate 63, the lower end of the medicine storage hopper 35 is provided with a medicine inlet pipe 36, and the lower end face of the medicine inlet pipe 36 abuts against the upper end face of the switch plate 63.
As shown in fig. 4, the medicine discharge pipe 37 is vertically disposed on the water inlet pipe 32 and is communicated with the interior of the water inlet pipe, the medicine discharge pipe 37 is located right below the medicine inlet pipe 36, and the upper end of the medicine discharge pipe abuts against the lower end face of the switch plate 63.
As shown in fig. 4, a plurality of groups of medicine discharging holes 65 penetrate through the switch plate 63, the medicine discharging holes 65 are used for communicating the medicine inlet pipe 36 and the medicine discharging pipe 37, and the plurality of groups of medicine discharging holes 65 are uniformly distributed along the circumferential direction of the switch plate 63.
When the medication dosing device 6 works, the motor 62 is started first, the motor 62 is used for driving the support rod 64 to move synchronously, and at the moment, the support rod 64 drives the switch plate 63 to rotate. Because the switch plate 63 is provided with a plurality of groups of drug discharge holes 65 at intervals, when the switch plate 63 rotates, the drug discharge holes 65 pass below the drug inlet tube 36 in sequence.
When the medicine discharge hole 65 is positioned below the medicine discharge pipe 36, the medicine discharge pipe 36 is communicated with the medicine discharge pipe 37, and when the medicine discharge hole 65 is separated from the lower part of the medicine discharge pipe 36, the medicine discharge pipe 37 is also isolated and sealed from the medicine discharge pipe 36. So that the medicine intermittently falls into the water inlet pipe 32 and is mixed with the sewage, and the automatic quantitative feeding of the medicine is realized.
As shown in fig. 4 and 5, a sliding hole 7 communicating with the interior of the drug inlet tube 36 is formed at a side close to the motor 62, and a sliding rod 71 is connected to the sliding hole 7 in a horizontal sliding manner. An end of the sliding rod 71 positioned inside the medicine inlet pipe 36 is vertically provided with a stirring rod 72, and the supporting rod 64 is provided with a driving mechanism 8 for driving the sliding rod 71 to reciprocate.
When the medication administration device 6 is operated, the motor 62 drives the support rod 64 to move synchronously, at this time, the support rod 64 controls the driving mechanism 8 to operate, and the driving mechanism 8 drives the slide rod 71 to reciprocate. At this time, the sliding rod 71 drives the stirring rod 72 to move, and the medicine in the medicine inlet pipe 36 is stirred, so that the medicine in the medicine inlet pipe 36 is prevented from being jammed. Therefore, the medicines in the medicine inlet pipe 36 can be smoothly discharged downwards, the discharge amount of the medicines is kept, and the sewage and the medicines are fully mixed.
As shown in fig. 5 and 6, the stirring rod 72 includes a rod body 73 and a mounting rod 74 disposed on a lower end surface of the rod body 73, and a plurality of spikes 75 are uniformly distributed on an outer wall of the rod body 73.
As shown in fig. 5 and 6, the upper end surface of the sliding rod 71 is provided with a mounting hole 76 for the mounting rod 74 to be inserted, the outer wall of the lower end of the rod body 73 is provided with a ring of sealing ring 77 abutting against the upper end surface of the sliding rod 71, and the sealing ring 77 completely covers the mounting hole 76.
As shown in fig. 5 and 6, the outer wall of the mounting rod 74 is sleeved with a coil spring 78, one end of the coil spring 78 is fixed to the mounting rod 74, and the other end is fixed to the inner wall of the mounting hole 76. A pull rope 79 is coiled on the outer wall of the lower end of the rod body 73, one end of the pull rope 79 is fixed on the outer wall of the rod body 73, and the other end of the pull rope 79 is fixed on the inner wall of the medicine inlet pipe 36.
When the sliding rod 71 moves inward, the sliding rod 71 drives the stirring rod 72 to move synchronously, and at this time, the pulling rope 79 gradually winds down from the outer wall of the rod body 73 and drives the rod body 73 to rotate. At the same time, the rod 73 drives the mounting rod 74 to rotate synchronously, and drives the coil spring 78 to tighten. When the sliding rod 71 moves outward, the coil spring 78 springs open and drives the mounting rod 74 and the rod 73 to rotate in the opposite direction, and the rod 73 rewinds the pull rope 79 on the rod 73.
Therefore, when the stirring rod 72 moves along with the sliding rod 71, the stirring rod 72 drives the spine 75 to automatically rotate, so that the stirring effect of the medicine in the medicine inlet pipe 36 can be improved, the medicine is prevented from being jammed, and the medicine can be smoothly discharged downwards.
As shown in fig. 4 and 5, the driving mechanism 8 includes a rod 81 vertically disposed on the support rod 64, and a driving rod 82 horizontally disposed on the rod 81. Wherein, one end of the sliding rod 71 positioned outside the medicine inlet pipe 36 is provided with an arc-shaped guide surface 711, the driving rod 82 is provided with a lug 83 for abutting against the guide surface 711, and the side wall of the lug 83 is arranged in an oblong arc shape.
As shown in fig. 5, a reset plate 712 is disposed at a position of the sliding rod 71 outside the medicine inlet tube 36, a spring 713 is sleeved on an outer wall of the sliding rod 71, and the spring 713 is disposed between the outer wall of the medicine inlet tube 36 and the reset plate 712.
When the driving mechanism 8 is operated, the supporting rod 64 drives the supporting rod 81 and the driving rod 82 to move synchronously, and the driving rod 82 drives the projection 83 to gradually approach the guide surface 711 on the sliding rod 71. Until the protrusion 83 abuts against the guiding surface 711, the protrusion 83 presses the sliding rod 71 to slide inward, and the sliding rod 71 drives the reset plate 712 to press the spring 713 to compress. After the cam 83 continues to move and completely disengages from the guide surface 711 on the sliding rod 71, the spring 713 extends and drives the sliding rod 71 to move in the opposite direction, thereby achieving the control of the reciprocating movement of the sliding rod 71.
As shown in fig. 7, the filter 4 includes a filter cylinder 41 with an open upper end, and a pressing cover 42 disposed at the upper end of the filter cylinder 41, wherein the lower end of the filter cylinder 41 is provided with a water inlet end 43, the upper end is provided with a water outlet end 44, a filter element 45 is disposed in the filter cylinder 41, and the cross-sectional diameter of the filter element 45 is gradually reduced from top to bottom.
When the filter 4 is in operation, the sewage is pressed into the filter cartridge 41 along the water inlet end 43, and then filtered by the filter element 45, and the purified raw water is discharged along the water outlet end 44. Because the upper end of the filter element 45 is large and the lower end is small, when sewage is injected into the filter cylinder 41, the sewage can quickly enter the filter element 45 along the side wall of the filter element 45, and therefore the sewage treatment speed is improved.
The working principle is as follows: when handling waste water, discharge boiler exhaust waste water and store in waste water recovery pond 1, then through washing the device 2 preliminary washing filtration back, filter the large granule impurity in the sewage. Then, sewage is injected into a clarification tank 3, coagulation and sedimentation are carried out on the sewage, finally, the sewage is finally filtered by a filter 4, small particle impurities in the sewage are removed, and finally, the treated raw water is injected into a raw water collection tank 5, so that the treatment and the recycling of the sewage are realized.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. A waste water treatment system of a boiler is characterized in that: comprises a wastewater recovery tank (1), a primary washing device (2), a clarification tank (3), a filter (4) and a raw water collecting box (5) which are sequentially communicated;
the clarification tank (3) comprises a reaction tank (31), a water inlet pipe (32) and a water outlet pipe (33) which are communicated with the interior of the reaction tank (31) are respectively arranged on two sides of the reaction tank (31), and a dosing device (6) is arranged on the water inlet pipe (32);
the dosing device (6) comprises a portal frame (61) arranged on the water inlet pipe (32), a motor (62) is arranged below the portal frame (61), a circular switch plate (63) is horizontally arranged above the portal frame, and a plurality of support rods (64) fixed on the inner wall of the switch plate (63) are uniformly arranged on a machine shaft of the motor (62);
a supporting seat (34) is further arranged on the water inlet pipe (32), a medicine storage hopper (35) positioned above the switch plate (63) is arranged on the supporting seat (34), and a medicine inlet pipe (36) abutting against the upper end face of the switch plate (63) is arranged at the lower end of the medicine storage hopper (35);
a medicine discharge pipe (37) communicated with the inside of the water inlet pipe (32) is vertically arranged on the water inlet pipe (32), the medicine discharge pipe (37) is positioned under the medicine inlet pipe (36), and the upper end of the medicine discharge pipe is abutted against the lower end face of the switch plate (63);
a plurality of groups of medicine discharging holes (65) penetrate through the switch plate (63), the medicine discharging holes (65) are used for communicating the medicine inlet pipe (36) with the medicine discharging pipe (37), and the plurality of groups of medicine discharging holes (65) are uniformly distributed along the circumferential direction of the switch plate (63);
one side of the medicine inlet pipe (36) close to the motor (62) is provided with a sliding hole (7) communicated with the inside of the medicine inlet pipe, a sliding rod (71) is horizontally and movably connected in the sliding hole (7), one end of the sliding rod (71) positioned in the medicine inlet pipe (36) is vertically provided with a stirring rod (72), and the supporting rod (64) is provided with a driving mechanism (8) for driving the sliding rod (71) to reciprocate;
the driving mechanism (8) comprises a supporting rod (81) vertically arranged on the supporting rod (64) and a driving rod (82) horizontally arranged on the supporting rod (81), an arc-shaped guide surface (711) is arranged at one end, located outside the medicine inlet pipe (36), of the sliding rod (71), and a convex block (83) used for abutting against the guide surface (711) is arranged on the driving rod (82);
a reset plate (712) is arranged at the position, located outside the medicine inlet pipe (36), of the sliding rod (71), a spring (713) is sleeved on the outer wall of the sliding rod (71), and the spring (713) is located between the outer wall of the medicine inlet pipe (36) and the reset plate (712);
a plurality of spikes (75) are uniformly distributed on the outer wall of the stirring rod (72); the stirring rod (72) comprises a rod body (73) for fixing the spine (75) and a mounting rod (74) arranged on the lower end face of the rod body (73);
the upper end surface of the sliding rod (71) is provided with a mounting hole (76) for the mounting rod (74) to be inserted, and the outer wall of the lower end of the rod body (73) is provided with a circle of sealing rings (77) which are abutted against the upper end surface of the sliding rod (71) and cover the mounting hole (76);
the outer wall cover of installation pole (74) is equipped with wind spring (78), the one end of wind spring (78) is fixed in installation pole (74), and the other end is fixed in mounting hole (76) inner wall, the lower extreme outer wall of the body of rod (73) is coiled and is had stay cord (79), the one end of stay cord (79) is fixed in the body of rod (73) outer wall, and the other end is fixed in advance the inner wall of pencil (36).
2. The wastewater treatment system of a boiler according to claim 1, wherein: the initial washing device (2) comprises a vertically arranged tank body (21), a filter layer (22) is filled in the tank body (21), a water inlet (27) is formed in the lower end of the tank body (21), and a water outlet (28) is formed in the upper end of the tank body.
3. The wastewater treatment system of a boiler according to claim 2, wherein: the filtering layer (22) comprises a pebble cushion layer (23), a quartz sand filtering material layer (24) and an anthracite filtering material layer (25) which are sequentially arranged from bottom to top.
4. The wastewater treatment system of a boiler according to claim 3, wherein: the inner wall of the upper end of the tank body (21) is provided with a filter screen (26), and the filter screen (26) is tightly pressed on the surface of the anthracite filter material layer (25).
5. The wastewater treatment system of a boiler according to claim 1, wherein: the filter (4) comprises a filter cylinder (41) with an opening at the upper end and a pressing cover (42) arranged at the upper end of the filter cylinder (41), a water inlet end (43) is arranged at the lower end of the filter cylinder (41), a water outlet end (44) is arranged at the upper end of the filter cylinder, a filter element (45) is arranged in the filter cylinder (41), and the diameter of the cross section of the filter element (45) is gradually reduced from top to bottom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910557039.6A CN110272148B (en) | 2019-06-25 | 2019-06-25 | Waste water treatment system of boiler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910557039.6A CN110272148B (en) | 2019-06-25 | 2019-06-25 | Waste water treatment system of boiler |
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CN113072208A (en) * | 2021-03-29 | 2021-07-06 | 杭州曼巴环保有限公司 | Organic sewage nitrogen and phosphorus removal equipment and method thereof |
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