CN111072231A - Efficient sewage treatment equipment and working method thereof - Google Patents
Efficient sewage treatment equipment and working method thereof Download PDFInfo
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- CN111072231A CN111072231A CN202010020153.8A CN202010020153A CN111072231A CN 111072231 A CN111072231 A CN 111072231A CN 202010020153 A CN202010020153 A CN 202010020153A CN 111072231 A CN111072231 A CN 111072231A
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- 239000010865 sewage Substances 0.000 title claims abstract description 134
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims description 72
- 238000005189 flocculation Methods 0.000 claims description 26
- 230000016615 flocculation Effects 0.000 claims description 26
- 230000015271 coagulation Effects 0.000 claims description 25
- 238000005345 coagulation Methods 0.000 claims description 25
- 230000001276 controlling effect Effects 0.000 claims description 24
- 238000004659 sterilization and disinfection Methods 0.000 claims description 17
- 238000001914 filtration Methods 0.000 claims description 16
- 239000000701 coagulant Substances 0.000 claims description 14
- 239000008394 flocculating agent Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000004065 wastewater treatment Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005273 aeration Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000003749 cleanliness Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000005188 flotation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000001112 coagulating effect Effects 0.000 description 6
- 230000003311 flocculating effect Effects 0.000 description 5
- 239000010802 sludge Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to a high-efficiency sewage treatment device and a working method thereof, wherein the high-efficiency sewage treatment device comprises: the system comprises a control unit, a first-stage sewage control unit and a second-stage sewage control unit, wherein the first-stage sewage control unit and the second-stage sewage control unit are electrically connected with the control unit; the first-stage sewage control unit is connected with a sewage pool, and the second-stage sewage control unit is connected with a clean water pool; the control unit is suitable for controlling the first-stage sewage control unit to primarily filter and disinfect sewage in the sewage pool and then discharge the sewage to the second-stage sewage control unit; the control unit is also suitable for controlling the second-stage sewage control unit to deeply filter the sewage and then discharge the sewage to the clean water tank; the invention can improve the cleanliness of the discharged clear water by cleaning the sewage in two stages, and the COD removal rate of the sewage after the preorder treatment meets the requirement, thereby improving the biodegradability of the sewage.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to high-efficiency sewage treatment equipment and a working method thereof.
Background
Traditional sewage treatment system all adopts one-level sewage treatment mode, just filters impurity in the sewage alone, nevertheless often adulterates toxic gas, material in the sewage, does not handle this part to can lead to the fact the influence in the follow-up water cyclic utilization.
Therefore, it is necessary to develop a new high-efficiency sewage treatment apparatus and a working method thereof to solve the above problems.
Disclosure of Invention
The invention aims to provide high-efficiency sewage treatment equipment and a working method thereof.
In order to solve the above technical problems, the present invention provides an efficient sewage treatment apparatus, comprising: the system comprises a control unit, a first-stage sewage control unit and a second-stage sewage control unit, wherein the first-stage sewage control unit and the second-stage sewage control unit are electrically connected with the control unit; the first-stage sewage control unit is connected with a sewage pool, and the second-stage sewage control unit is connected with a clean water pool; the control unit is suitable for controlling the first-stage sewage control unit to primarily filter and disinfect sewage in the sewage pool and then discharge the sewage to the second-stage sewage control unit; and the control unit is also suitable for controlling the second-stage sewage control unit to discharge the sewage to the clean water tank after the sewage is subjected to deep filtration.
Further, the first stage sewage control unit includes: the primary filter tank is respectively arranged at the water inlet and the water outlet of the primary filter tank and is electrically connected with a water inlet valve and a water outlet valve of the control unit, and the heating plate and the disinfection chamber are electrically connected with the control unit; the primary filter box is connected with the disinfection chamber through an air duct; the control unit is suitable for controlling the water inlet valve to be opened so that sewage in the sewage pool enters the primary filter tank to be primarily filtered; the control unit is also suitable for controlling the heating plate to heat the primary filter box, so that after gas in the sewage enters the disinfection chamber through the ventilation pipeline for disinfection, the control unit controls the water outlet valve to be opened, and the sewage after primary filtration is conveyed to the second-stage sewage control unit.
Furthermore, a plurality of activated carbon plates are arranged in the primary filter tank to adsorb impurities in the sewage.
Further, the second stage sewage control unit includes: the device comprises a regulating tank, a coagulation tank, a flocculation tank, an air floatation tank and a biological filter which are connected in sequence; the adjusting tank is suitable for detecting liquid pH data to send to the control unit and adjusting the pH of the liquid, namely when the liquid pH data in the adjusting tank meets a set value, the control unit controls the adjusting tank to be opened to convey the liquid to the coagulation tank; the coagulation tank is suitable for conveying liquid to the flocculation tank after the liquid is stirred by a coagulant; the flocculation tank is suitable for conveying liquid to the air floatation tank after the liquid is flocculated by the flocculating agent; the air floatation tank is suitable for generating microporous bubbles which are attached to the surface of flocs in liquid so as to drive the flocs to float on the liquid level, and conveying the liquid to the biological filter after scraping the flocs on the liquid level; the biological filter is suitable for discharging clear water after biologically filtering liquid.
Further, the conditioning tank includes: the pH detection module and the pH adjusting module are electrically connected with the control unit; the pH detection module is suitable for detecting pH data of liquid in the adjusting tank and sending the pH data to the control unit, namely the control unit is suitable for controlling the pH adjusting module to adjust the pH value of the liquid in the adjusting tank according to the pH data of the liquid in the adjusting tank.
Further, the coagulation basin includes: the flow monitoring module, the stirrer and the coagulant adding module are electrically connected with the control unit; the flow monitoring module is suitable for detecting liquid flow data in the coagulation tank and sending the liquid flow data to the control unit, namely the control unit is suitable for controlling the working frequency of the stirrer according to the liquid flow data in the coagulation tank and controlling the adding frequency of the coagulant adding module for releasing the coagulant into the coagulation tank.
Further, the flocculation tank comprises a flocculant addition module; the control unit is suitable for controlling the flocculating agent adding module to release a flocculating agent into the flocculation tank so as to flocculate particles in the liquid.
Further, the air flotation tank comprises: an aeration disc and a slag scraper; the aeration disc is suitable for generating microporous bubbles to be attached to the surface of flocs in liquid, drives the flocs to float on the liquid surface, and scrapes off the flocs through a residue scraper.
Further, the biofilter includes: two layers of filter filling box bodies, namely a first layer of filter filling box body is provided with holes at the bottom surface and closed at the side surface so as to ensure that water flow is fully contacted with filter materials and enters a second layer of filter filling box body; and holes are formed in each surface of the second layer of filter tank filling box body so as to reduce water flow resistance.
In another aspect, the present invention provides a method for operating a high efficiency wastewater treatment plant, comprising: the high-efficiency sewage treatment equipment works as described above.
The invention has the advantages that the invention can improve the cleanliness of the discharged clear water by cleaning the sewage in two stages, the COD removal rate of the sewage after preorder treatment meets the requirement, and the biodegradability of the sewage is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a structural view of a high efficiency sewage treatment apparatus of the present invention;
FIG. 2 is a block diagram of a first stage sewage control unit of the present invention;
FIG. 3 is a functional block diagram of the first stage sewage control unit of the present invention;
FIG. 4 is a block diagram of a second stage sewage control unit of the present invention;
FIG. 5 is a functional block diagram of a second stage sewage control unit of the present invention.
In the figure: clean water basin 1, first level sewage control unit 2, primary filter 201, disinfection room 202, hot plate 203, air duct 204, second level sewage control unit 3, effluent water sump 4.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
FIG. 1 is a structural view of a high efficiency sewage treatment apparatus of the present invention.
In the present embodiment, as shown in fig. 1, the present embodiment provides a high efficiency sewage treatment apparatus, comprising: the sewage treatment system comprises a control unit, a first-stage sewage control unit 2 and a second-stage sewage control unit 3, wherein the first-stage sewage control unit and the second-stage sewage control unit are electrically connected with the control unit; the first-stage sewage control unit 2 is connected with a sewage pool 4, and the second-stage sewage control unit 3 is connected with a clean water pool 1; the control unit is suitable for controlling the first-stage sewage control unit 2 to primarily filter and disinfect sewage in the sewage pool 4 and then discharge the sewage to the second-stage sewage control unit 3; and the control unit is also suitable for controlling the second-stage sewage control unit 3 to discharge the sewage to the clean water tank 1 after the sewage is subjected to deep filtration.
In this embodiment, this embodiment can improve the cleanliness factor of the clear water of discharging through carrying out the two-stage clearance to sewage, and the COD clearance of sewage satisfies the demand after the preorder is handled, has increased sewage biodegradability.
FIG. 2 is a block diagram of a first stage sewage control unit of the present invention;
FIG. 3 is a functional block diagram of the first stage wastewater control unit of the present invention.
In this embodiment, in order to primarily filter and disinfect sewage, as shown in fig. 2 and 3, the first-stage sewage control unit 2 includes: the primary filter tank 201, a water inlet valve and a water outlet valve which are respectively arranged at a water inlet and a water outlet of the primary filter tank 201 and are electrically connected with a control unit, a heating plate 203 and a disinfection chamber 202 which are electrically connected with the control unit; the primary filter box 201 is connected with the disinfection chamber 202 through an air duct 204; the control unit is suitable for controlling the water inlet valve to be opened so that sewage in the sewage pool 4 enters the primary filtering box 201 for primary filtering; the control unit is also suitable for controlling the heating plate 203 to heat the primary filtering box 201, so that after the gas in the sewage enters the sterilizing chamber 202 through the ventilating pipeline 204 for sterilization, the control unit controls the water outlet valve to be opened, and the primarily filtered sewage is conveyed to the second-stage sewage control unit 3.
In this embodiment, as an optional implementation mode, after the disinfection liquid medicine is sprayed in the disinfection chamber to disinfect the gas, and an air cleanliness detection device is arranged in the disinfection chamber, when the air quality in the disinfection chamber reaches the standard, the control unit controls the exhaust valve in the disinfection chamber to open for exhausting.
Specifically, as an optional embodiment, a plurality of activated carbon plates are disposed in the primary filtering tank 201 to adsorb impurities in the sewage.
In this embodiment, can keep the high-efficient filtering ability of primary filter box through in time changing the activated carbon plate to the activated carbon plate also can adsorb the noxious material, has strengthened first order sewage control unit's detoxification, decontamination capability.
FIG. 4 is a block diagram of a second stage sewage control unit of the present invention;
FIG. 5 is a functional block diagram of a second stage sewage control unit of the present invention.
Specifically, as shown in fig. 4 and 5, the second-stage sewage control unit 3 includes: the device comprises a regulating tank, a coagulation tank, a flocculation tank, an air floatation tank and a biological filter which are connected in sequence; the adjusting tank is suitable for detecting liquid pH data to send to the control unit and adjusting the pH of the liquid, namely when the liquid pH data in the adjusting tank meets a set value, the control unit controls the adjusting tank to be opened to convey the liquid to the coagulation tank; the coagulation tank is suitable for conveying liquid to the flocculation tank after the liquid is stirred by a coagulant; the flocculation tank is suitable for conveying liquid to the air floatation tank after the liquid is flocculated by the flocculating agent; the air floatation tank is suitable for generating microporous bubbles which are attached to the surface of flocs in liquid so as to drive the flocs to float on the liquid level, and conveying the liquid to the biological filter after scraping the flocs on the liquid level; the biological filter is suitable for discharging clear water after biologically filtering liquid.
In this embodiment, this embodiment controls the equalizing basin through the control unit and regulates and control liquid pH data, realizes carrying out stirring rate regulation and dose adding frequency according to the water yield condition to the coagulating basin intelligence frequency modulation, has realized intelligent operation, and a key starts, stops the function.
In this embodiment, the influent enters the conditioning tank by the action of a lift pump.
In this embodiment, as shown in fig. 4, the dotted line indicates a sludge pipe and the solid line indicates a water pipe.
In this embodiment, as shown in fig. 4, the adjusting tank, the coagulation tank, the flocculation tank and the air flotation tank are all provided with a bottom mud drainage pipe at the bottom for discharging mud to avoid blockage, and are controlled to be opened and closed through corresponding valves.
In order to realize intelligent medicine adding and pH value adjustment, the equalizing basin includes: the pH detection module and the pH adjusting module are electrically connected with the control unit; the pH detection module is suitable for detecting pH data of liquid in the adjusting tank and sending the pH data to the control unit, namely the control unit is suitable for controlling the pH adjusting module to adjust the pH value of the liquid in the adjusting tank according to the pH data of the liquid in the adjusting tank.
In this embodiment, the pH detection module may be, but is not limited to, an intelligent pH meter.
In this embodiment, as shown in fig. 4, the adding 1 is to add a pH adjusting agent to the adjusting tank by the pH adjusting module.
In order to realize the intelligent frequency modulation function of mixer, the coagulating basin includes: the flow monitoring module, the stirrer and the coagulant adding module are electrically connected with the control unit; the flow monitoring module is suitable for detecting liquid flow data in the coagulation tank and sending the liquid flow data to the control unit, namely the control unit is suitable for controlling the working frequency of the stirrer according to the liquid flow data in the coagulation tank and controlling the adding frequency of the coagulant adding module for releasing the coagulant into the coagulation tank.
In this embodiment, as shown in fig. 4, the dosing 2 is a coagulant adding module for dosing the coagulation tank, and a coagulant can be added.
In order to realize flocculation on particles in the liquid, the flocculation tank comprises a flocculating agent adding module; the control unit is suitable for controlling the flocculating agent adding module to release the flocculating agent to enter the flocculation tank so as to flocculate particles in the liquid and form large floc particles under the action of the flocculating agent.
In this embodiment, as shown in fig. 4, the dosing 3 is that the flocculant adding module adds a dose to the flocculation tank, and a flocculant may be added.
For scraping off floes, the flotation tank comprises: an aeration disc and a slag scraper; the aeration disc is suitable for generating micropore bubbles to be attached to the surface of flocs in liquid, drives the flocs to float on the liquid level, and scrapes off the flocs through scraping the sediment machine, so as to scrape floc dross into a mud storage tank, clear water flows into a clear water tank through a perforated plate, clear water flows into a biological filter through uniform water distribution in the clear water tank, and further removes the mud residue brought in carelessly from the air flotation tank.
In this example, as shown in fig. 4, after the flocs in the sludge storage tank are subjected to pressure filtration by the filter press, the sludge cake is transported out and the liquid is re-injected into the coagulation tank.
Specifically, as an optional implementation mode, the flocculation tank is suitable for adopting the baffling board flocculation tank, and the sewage velocity of flow is not big in the flocculation tank, the formation of the flocculating constituent of being convenient for, and when passing through the baffling board, the velocity of flow increases to some extent, prevents that the flocculating constituent from piling up and causing the flocculation tank jam.
In this embodiment, the effluent of the flocculation tank enters the floatation tank, the density of the sludge virtual body is similar to that of water, if a sedimentation tank is adopted, a larger floor area is needed, the time consumption is long, and the impact resistance is poor, namely, the floatation tank makes up for the defects of the sedimentation tank.
Specifically, as an optional implementation mode, the filter material in the biofilter is a cobblestone natural filter material, so that microorganisms can grow and form a membrane conveniently, the COD removal rate of the sewage after the preorder treatment meets 60%, and the biodegradability of the sewage is improved, so that the sewage can be in a biomembrane treatment state in the biofilter, the water in the biofilter flows into the clean water tank 1, and is discharged at a water outlet under the action of a lift pump.
Specifically, as an optional implementation manner, the flow of the drainage pump between the adjusting tank and the coagulation tank, between the coagulation tank and the flocculation tank, between the flocculation tank and the flotation tank, and between the flotation tank and the biological filter is not less than the flow of the water inlet pump, and the clean water tank 1 has a liquid level switch control and a signal transmission drainage pump, and the flow of the drainage pump is greater than that of the water inlet pump, so that the hidden danger that the water quantity overflows out of the water tank too slowly is overcome.
In this embodiment, the water-locator between equalizing basin and the coagulating basin, between coagulating basin and the flocculating basin, between flocculating basin and the flotation tank, between flotation tank and the biological filter adopts hidden, saves space, has improved visual effect greatly when being convenient for maintain, and drainage, mud pipe are all equipped with in equalizing basin, coagulating basin, flocculating basin, the flotation tank, each drainage valve is concentrated and is arranged, and is pleasing to the eye and convenient.
In this embodiment, coagulating basin, flocculation basin are equipped with the liquid level switch, carry out the intelligence through the corresponding liquid level switch of the control unit control and add the medicine.
In this embodiment, the outlet water of the air flotation tank is a perforated plate, and in order to prevent scum from flowing into the biological filter along with water flow during aeration, the lower part of the perforated plate is subjected to backflow treatment so as to prevent scum from being flushed into the biological filter.
In this embodiment, one end of the water inlet interface is placed into the sewage tank 4, and the other end is connected with the regulating tank; one end of the water outlet interface is connected with the biological filter, and the other end is connected with the clean water tank 1; the water inlet and outlet interfaces have a quick insertion function and are convenient and fast.
In this embodiment, the air inlet pipe has a quick-insertion function, compressed air is connected to the air inlet pipe interface, and suitable compressed air can be output by adjusting a pressure regulating valve above the air inlet pipe.
Specifically, as an optional embodiment, the biofilter includes: two layers of filter filling box bodies, namely a first layer of filter filling box body is provided with holes at the bottom surface and closed at the side surface so as to ensure that water flow is fully contacted with filter materials and enters a second layer of filter filling box body; holes are formed in each surface of the filling box body of the second layer of filtering pool to reduce water flow resistance, namely, the biological filtering pool is filled in a box type independently, so that the biological filtering pool is convenient to clean and replace; and the filter material is replaced by adopting a miniature crane, only a side door needs to be opened, and the corresponding filter tank filling box body is lifted out and washed by the crane in the equipment, so that the filter tank filling box body is independent of the crane, and is time-saving and labor-saving.
Example 2
On the basis of embodiment 1, the present embodiment provides a working method of a high efficiency sewage treatment apparatus, which includes: the high efficiency sewage treatment apparatus as provided in example 1 was operated.
In conclusion, the invention can improve the cleanliness of the discharged clear water by carrying out two-stage cleaning on the sewage, meet the requirement on the COD removal rate of the sewage after the pretreatment and improve the biodegradability of the sewage.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An efficient sewage treatment device, comprising:
the system comprises a control unit, a first-stage sewage control unit and a second-stage sewage control unit, wherein the first-stage sewage control unit and the second-stage sewage control unit are electrically connected with the control unit; wherein
The first-stage sewage control unit is connected with a sewage pool, and the second-stage sewage control unit is connected with a clean water pool;
the control unit is suitable for controlling the first-stage sewage control unit to primarily filter and disinfect sewage in the sewage pool and then discharge the sewage to the second-stage sewage control unit; and
the control unit is also suitable for controlling the second-stage sewage control unit to discharge the sewage to the clean water tank after the sewage is subjected to deep filtration.
2. The high efficiency wastewater treatment facility according to claim 1,
the first stage sewage control unit includes: the primary filter tank is respectively arranged at the water inlet and the water outlet of the primary filter tank and is electrically connected with a water inlet valve and a water outlet valve of the control unit, and the heating plate and the disinfection chamber are electrically connected with the control unit;
the primary filter box is connected with the disinfection chamber through an air duct;
the control unit is suitable for controlling the water inlet valve to be opened so that sewage in the sewage pool enters the primary filter tank to be primarily filtered;
the control unit is also suitable for controlling the heating plate to heat the primary filter box, so that after gas in the sewage enters the disinfection chamber through the ventilation pipeline for disinfection, the control unit controls the water outlet valve to be opened, and the sewage after primary filtration is conveyed to the second-stage sewage control unit.
3. The high efficiency wastewater treatment facility according to claim 1,
and a plurality of activated carbon plates are arranged in the primary filter tank to adsorb impurities in the sewage.
4. The high efficiency wastewater treatment facility according to claim 1,
the second stage sewage control unit includes: the device comprises a regulating tank, a coagulation tank, a flocculation tank, an air floatation tank and a biological filter which are connected in sequence; wherein
The conditioning tank is adapted to detect liquid pH data for transmission to the control unit and to perform pH conditioning of the liquid, i.e.
When the pH data of the liquid in the adjusting tank meet a set value, the control unit controls the adjusting tank to be opened so as to convey the liquid to the coagulation tank;
the coagulation tank is suitable for conveying liquid to the flocculation tank after the liquid is stirred by a coagulant;
the flocculation tank is suitable for conveying liquid to the air floatation tank after the liquid is flocculated by the flocculating agent;
the air floatation tank is suitable for generating microporous bubbles which are attached to the surface of flocs in liquid so as to drive the flocs to float on the liquid level, and conveying the liquid to the biological filter after scraping the flocs on the liquid level;
the biological filter is suitable for discharging clear water after biologically filtering liquid.
5. The high efficiency wastewater treatment facility according to claim 4,
the regulating reservoir comprises: the pH detection module and the pH adjusting module are electrically connected with the control unit;
the pH detection module is suitable for detecting the pH data of the liquid in the regulating reservoir and sending the pH data to the control unit, namely
The control unit is suitable for controlling the pH adjusting module to adjust the pH value of the liquid in the adjusting tank according to the pH data of the liquid in the adjusting tank.
6. The high efficiency wastewater treatment facility according to claim 4,
the coagulation basin includes: the flow monitoring module, the stirrer and the coagulant adding module are electrically connected with the control unit;
the flow monitoring module is suitable for detecting liquid flow data in the coagulation tank and sending the data to the control unit, namely
The control unit is suitable for controlling the working frequency of the stirrer according to the liquid flow data in the coagulation tank and controlling the adding frequency of the coagulant adding module for releasing the coagulant into the coagulation tank.
7. The high efficiency wastewater treatment facility according to claim 4,
the flocculation tank comprises a flocculant adding module;
the control unit is suitable for controlling the flocculating agent adding module to release a flocculating agent into the flocculation tank so as to flocculate particles in the liquid.
8. The high efficiency wastewater treatment facility according to claim 4,
the air floatation tank comprises: an aeration disc and a slag scraper;
the aeration disc is suitable for generating microporous bubbles to be attached to the surface of flocs in liquid, drives the flocs to float on the liquid surface, and scrapes off the flocs through a residue scraper.
9. The high efficiency wastewater treatment facility according to claim 4,
the biological filter comprises: two-layer filter packing box body, i.e.
The bottom surface of the first layer of filter filling box body is provided with a hole, and the side surface is closed so as to ensure that water flow is fully contacted with a filter material and enters the second layer of filter filling box body;
and holes are formed in each surface of the second layer of filter tank filling box body so as to reduce water flow resistance.
10. The working method of the high-efficiency sewage treatment equipment is characterized by comprising the following steps:
the high efficiency wastewater treatment plant of any of claims 1-9.
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