CN211546247U - Integrated high-ammonia-nitrogen domestic sewage treatment equipment - Google Patents
Integrated high-ammonia-nitrogen domestic sewage treatment equipment Download PDFInfo
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- CN211546247U CN211546247U CN201921749786.1U CN201921749786U CN211546247U CN 211546247 U CN211546247 U CN 211546247U CN 201921749786 U CN201921749786 U CN 201921749786U CN 211546247 U CN211546247 U CN 211546247U
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Abstract
The utility model relates to the technical field of sewage treatment, in particular to an integrated high ammonia nitrogen domestic sewage treatment device, which comprises a main body reaction area and a device room, wherein the device room is fixedly connected with the tail end of the main body reaction area, the main body reaction area is a cylindrical storage tank, and a facultative tank, an aerobic tank, an MBR membrane tank, a sludge tank and a clean water tank which are sequentially communicated according to the sewage treatment direction are arranged in the cylindrical storage tank; a microbial filler and a gas distribution system are arranged in the facultative tank; the aerobic tank is internally provided with a microbial filler, a reflux pump and an aeration device; an MBR membrane module, a membrane washing air blower, a suction pump, a centrifugal pump for dilution water, a dosing system and a sludge pump for pumping excess sludge are fixedly arranged in the MBR membrane tank; a sludge dosing system is arranged in the sludge tank; an auxiliary dosing system is arranged in the clean water tank; and a PLC control system is installed in the equipment room. The purpose of green and efficient sewage treatment by integrated automatic control is realized.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to high ammonia nitrogen sewage treatment unit of integration.
Background
In the prior art, more processes for treating domestic sewage are adopted, and the domestic sewage is elutriated after being applied for the last two decadesThe method eliminates some unsuitable treatment processes, and the domestic adopted more process flows mainly comprise a contact oxidation method, an SBR method, an A-O method and an A method2O method, oxidation ditch, etc. However, the modern domestic sewage treatment process requires that the treated wastewater stably reaches the standard, and sewage treatment equipment requires simple operation and low operation cost, so that the selected technical route and the treatment equipment need to meet the above conditions, and an integrated high ammonia nitrogen domestic sewage treatment equipment is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide an integrated high ammonia nitrogen domestic sewage treatment equipment
In order to realize the above object, the technical scheme of the utility model is that: an integrated high ammonia nitrogen domestic sewage treatment device comprises a main body reaction zone and a device room, wherein the device room is fixedly connected with the tail end of the main body reaction zone, the main body reaction zone is a cylindrical storage tank, and a facultative tank, an aerobic tank, an MBR membrane tank, a sludge tank and a clean water tank which are sequentially communicated according to a sewage treatment direction are arranged in the cylindrical storage tank; a microbial filler and a gas distribution system are arranged in the facultative tank; the aerobic tank is internally provided with a microbial filler, a reflux pump and an aeration device; an MBR membrane module, a membrane washing air blower, a suction pump, a centrifugal pump for dilution water, a dosing system and a sludge pump for pumping excess sludge are fixedly arranged in the MBR membrane tank; a sludge dosing system is arranged in the sludge tank; an auxiliary dosing system is arranged in the clean water tank; and a PLC control system is installed in the equipment room.
Further, a water outlet of the facultative tank is communicated with a water inlet of the aerobic tank; a water outlet is additionally arranged on the side, close to the facultative tank, of the aerobic tank, the water outlet is communicated with the reflux pump and is communicated with the facultative tank through the water outlet of the reflux pump for sewage circulation treatment, the aeration device is characterized in that a fan is connected with an aerator through a pipeline, and the aerator of the aeration device extends to the bottom of the facultative tank; the MBR membrane tank is provided with the clean water basin water inlet is connected, MBR membrane module department is provided with the external pipeline of the fan in good oxygen pond, the suction pump is connected the clean water basin, the sludge pump is connected the sludge impoundment.
Furthermore, PVDF is adopted as a membrane material in the MBR membrane module, the PVDF is of a composite membrane structure, a soft hollow support body is arranged inside the MBR membrane module, and a resin raw material filter membrane layer is arranged outside the MBR membrane module; the MBR membrane modules are installed in the MBR membrane tank, and the MBR membrane tank is divided into a plurality of units, and a plurality of rows of the MBR membrane modules are installed in each unit according to the vertical direction of membrane filaments.
Further, the PLC control system comprises a master control server and a PLC control station, the PLC control station comprises a PI1 remote control station, a PI2 remote control station, a PI3 remote control station and a PI4 remote control station, the master control server is connected with the PLC control station, the PI1 control station is electrically connected with an equipment switch in the aerobic tank through a cable, and the PI2 remote control station is electrically connected with an equipment switch in the MBR membrane tank through a cable; the PI3 remote control station is electrically connected with an equipment switch of a sludge dosing system in the sludge tank through a cable, and the PI4 remote control station is electrically connected with an auxiliary dosing system equipment switch in the clear water tank through a cable.
The utility model has the advantages that:
the utility model provides a pair of high ammonia nitrogen sewage treatment device of integration, adopt the oxygen doubling to add the cooperation of contact oxidation method and MBR membrane group, can degrade the COD in the sewage effectively, BOD accomplishes and nitrifies, thereby satisfy the function of release phosphorus and denitrogenation, cooperate the MBR membrane group simultaneously, replace two heavy ponds with the membrane module and keep the occupation of land of high active sludge concentration reduction sewage treatment device in bioreactor, and reduce the sludge amount through keeping low mud load, it is high to have a treatment effeciency, it is good to go out water quality of water, the equipment is compact, the little advantage of area, introduce PLC control system wherein simultaneously, realize sewage treatment device's integration and full automatization, the operation management of being convenient for, easily realize automatic control, the operation management is simple.
Drawings
FIG. 1 is a process diagram of the integrated high ammonia nitrogen domestic sewage treatment equipment of the utility model;
FIG. 2 is a front view of the integrated high ammonia nitrogen domestic sewage treatment equipment of the utility model;
FIG. 3 is a left view of the integrated high ammonia nitrogen domestic sewage treatment equipment of the utility model;
the labels in the figure are: 1-main reaction zone, 2-equipment room, 3-facultative tank, 4-aerobic tank, 5-MBR membrane tank, 6-sludge tank, and 7-clear water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention. As shown in the figure, the utility model discloses an integrated high ammonia nitrogen domestic sewage treatment device, which comprises a main body reaction zone 1 and a device room 2, wherein the device room 2 is fixedly connected with the end of the main body reaction zone 1, the main body reaction zone 1 is a cylindrical storage tank, and a facultative tank 3, an aerobic tank 4, an MBR membrane tank 5, a sludge tank 6 and a clean water tank 7 which are sequentially communicated according to the sewage treatment direction are arranged in the cylindrical storage tank; a microbial filler and a gas distribution system are arranged in the facultative tank 3; a microorganism filler, a reflux pump and an aeration device are arranged in the aerobic tank 4; an MBR membrane module, a membrane washing air blower, a suction pump, a centrifugal pump for dilution water, a dosing system and a sludge pump for pumping excess sludge are fixedly arranged in the MBR membrane tank 5; a sludge dosing system is arranged in the sludge tank 6; an auxiliary dosing system is arranged in the clean water tank 7; and a PLC control system is installed in the equipment room. The process is evolved from a contact oxidation process. Utilize the biomembrane immobilization mode to get rid of the pollutant, set up the filler in facultative tank 3 and contact oxidation pond, the microorganism of different functions grows on the filler, and COD, BOD in the degradation sewage accomplish the nitration under the effect of good oxygen fungus in the contact oxidation pond, and facultative tank 3 satisfies under special operating mode that release phosphorus and denitrogenation function water are continuous flow when moving, the operation management of being convenient for. Wherein, the facultative tank 3 is a biochemical system with dissolved oxygen controlled between 0.1-0.8 mg/l. The macromolecular organic matter is mainly decomposed into micromolecular organic matter, so that the subsequent process treatment is facilitated, part of COD is removed, and the phosphorus removal effect is achieved; and the denitrification is completed in the facultative tank 3; in the aerobic tank 4, the degraded organic matters are further degraded into carbon dioxide and water by aerobic microorganisms in the tank under the condition of aeration and oxygenation, so that the organic matters are thoroughly decomposed, and meanwhile, the phosphorus releasing microorganisms absorb phosphorus in excess to remove phosphorus; the sewage enters a membrane tank after biochemical treatment, and is efficiently separated by utilizing an MBR membrane, so that the quality of the effluent is further improved; and then, the effluent of the sedimentation tank enters a clean water tank 7 and is directly discharged, and the sludge in the sedimentation tank enters a sludge tank 6 for sludge concentration and storage, so that the sewage treatment is completed.
In this embodiment, the water outlet of the facultative tank 3 is communicated with the water inlet of the aerobic tank 4; a water outlet is additionally arranged on the side, close to the facultative tank 3, of the aerobic tank 4, the water outlet is communicated with the reflux pump and is communicated with the facultative tank 3 through the water outlet of the reflux pump for sewage circulation treatment, the aeration device is characterized in that a fan is connected with an aerator through a pipeline, and the aerator of the aeration device extends to the bottom of the facultative tank 3; the MBR membrane tank 5 is provided with and is connected with the water inlet of the clean water tank 7, the MBR membrane module department is provided with the pipeline of the external fan of the good oxygen pond 4, the suction pump is connected with the clean water tank 7, and the sludge pump is connected with the sludge impoundment 6. The flow direction of the sewage treatment device can be described as follows: the sewage flows into a regulating tank through a grid with the length of 1-2mm in advance, and the quality and the quantity of the inlet water are regulated. The impurities intercepted by the grid need to be cleaned regularly. And then, conveying the sewage in the regulating tank to an MBR system by a pump, and decomposing and reducing pollutants by microorganisms in the MBR system, wherein the pollutants comprise aerobic and anoxic reaction zones, and impurities which cannot be degraded and activated sludge are separated by the membrane component and then are left in the membrane tank. The water produced by membrane filtration can be recycled or discharged after reaching the standard.
In the embodiment, the MBR membrane module adopts PVDF as a membrane material, the PVDF is a composite membrane structure, a soft hollow support body is arranged inside the MBR membrane module, and a resin raw material filter membrane layer is arranged outside the MBR membrane module; the MBR membrane modules are arranged in the MBR membrane tank 5, and the MBR membrane tank 5 is divided into a plurality of units, and a plurality of rows of the MBR membrane modules are arranged in each unit according to the vertical direction of membrane filaments. Membrane Bioreactor (MBR) is a new water treatment technology combining membrane separation unit and biological treatment unit, replacing secondary sedimentation tank with membrane module to maintain high active sludge concentration in bioreactor to reduce sewage treatment facility occupation and sludge amount by keeping low sludge load. Compared with the traditional biochemical water treatment technology, MBR has the following main characteristics: the treatment efficiency is high, and the effluent quality is good; the equipment is compact and the occupied area is small; automatic control is easy to realize, and operation management is simple. The MBR process of the equipment adopts a combined form of oxygen deficiency and aerobic. The sewage enters an anoxic zone firstly, large molecular weight long-chain organic matters are decomposed into easily biochemical small molecular organic matters, then the sewage enters an aerobic zone to carry out organic matter biodegradation, biological nitration reaction is carried out simultaneously, and denitrification is carried out by refluxing to the anoxic zone to complete the denitrification function. Wherein, the aerobic zone carries out the following chemical reactions under the action of nitrifying bacteria:
2NH4 ++3O2→2NO2 -+4H++2H2O
2NO2 -+O2→2NO3 -。
the anoxic zone performs the following chemical reaction under the action of denitrifying bacteria:
6NO3 -+3CH3OH→6NO2 -+2CO2↑+4H2O
2NO2 -+3CH3OH→3N2↑+3H2O+6OH-+3CO2。
in this embodiment, the PLC control system includes a master control server and a PLC control station, the PLC control station includes a PI1 remote control station, a PI2 remote control station, a PI3 remote control station, and a PI4 remote control station, the master control server is connected to the PLC control station, the PI1 control station is electrically connected to an equipment switch in the aerobic tank 4 through a cable, and the PI2 remote control station is electrically connected to an equipment switch in the MBR membrane tank 5 through a cable; the PI3 remote control station is electrically connected with an equipment switch of a sludge dosing system in the sludge tank 6 through a cable, and the PI4 remote control station is electrically connected with an equipment switch of an auxiliary dosing system in the clean water tank 7 through a cable. Through using PLC control system, realized full-automatic intelligent operation, a key starts, need not special messenger's on duty, regularly carries out full automated maintenance to equipment, has reduced staff's work load, has reduced the cost of labor, simultaneously owing to possess remote control output module and communication system, can realize convenient remote control.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. An integrated high ammonia nitrogen domestic sewage treatment device is characterized by comprising a main body reaction zone (1) and a device room (2), wherein the device room (2) is fixedly connected with the tail end of the main body reaction zone (1), the main body reaction zone (1) is a cylindrical storage tank, and a facultative tank (3), an aerobic tank (4), an MBR membrane tank (5), a sludge tank (6) and a clean water tank (7) which are sequentially communicated according to a sewage treatment direction are arranged in the cylindrical storage tank; a microbial filler and a gas distribution system are arranged in the facultative tank (3); a microorganism filler, a reflux pump and an aeration device are arranged in the aerobic tank (4); an MBR membrane module, a membrane washing air blower, a suction pump, a centrifugal pump for dilution water, a dosing system and a sludge pump for pumping residual sludge are fixedly arranged in the MBR membrane tank (5); a sludge dosing system is arranged in the sludge tank (6); an auxiliary dosing system is arranged in the clean water tank (7); and a PLC control system is installed in the equipment room (2).
2. The integrated high ammonia nitrogen domestic sewage treatment equipment according to claim 1, wherein the water outlet of the facultative tank (3) is communicated with the water inlet of the aerobic tank (4); a water outlet is additionally arranged on the side, close to the facultative tank (3), of the aerobic tank (4), the water outlet is communicated with the reflux pump and is communicated with the facultative tank (3) through the water outlet of the reflux pump for sewage circulation treatment, the aeration device is characterized in that a fan is connected with an aerator through a pipeline, and the aerator of the aeration device extends to the bottom of the facultative tank (3); MBR membrane cisterna (5) be provided with clean water basin (7) water inlet is connected, MBR membrane module department is provided with the external pipeline of the fan of good oxygen pond (4), the suction pump is connected clean water basin (7), the sludge pump is connected sludge impoundment (6).
3. The integrated high-ammonia-nitrogen domestic sewage treatment equipment according to claim 1, wherein the MBR membrane module adopts PVDF as a membrane material, the PVDF is a composite membrane structure, a soft hollow support body is arranged inside the MBR membrane module, and a resin raw material filter membrane layer is arranged outside the MBR membrane module; the MBR membrane modules are arranged in the MBR membrane tank (5), and the MBR membrane tank (5) is divided into a plurality of units, and a plurality of rows of the MBR membrane modules are arranged in each unit according to the vertical direction of membrane filaments.
4. The integrated high-ammonia-nitrogen domestic sewage treatment equipment of claim 1, wherein the PLC control system comprises a master control server and a PLC control station, the PLC control station comprises a PI1 remote control station, a PI2 remote control station, a PI3 remote control station and a PI4 remote control station, the master control server is connected with the PLC control station, the PI1 control station is electrically connected with equipment switches in the aerobic tank (4) through cables, and the PI2 remote control station is electrically connected with equipment switches in the MBR membrane tank (5) through cables; the PI3 remote control station is electrically connected with an equipment switch of a sludge dosing system in the sludge tank (6) through a cable, and the PI4 remote control station is electrically connected with an auxiliary dosing system equipment switch in the clean water tank (7) through a cable.
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| CN201921749786.1U CN211546247U (en) | 2019-10-18 | 2019-10-18 | Integrated high-ammonia-nitrogen domestic sewage treatment equipment |
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| CN201921749786.1U CN211546247U (en) | 2019-10-18 | 2019-10-18 | Integrated high-ammonia-nitrogen domestic sewage treatment equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114180710A (en) * | 2022-01-14 | 2022-03-15 | 高瓴环境科技有限公司 | Modular integrated sewage treatment equipment and sewage treatment method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180710A (en) * | 2022-01-14 | 2022-03-15 | 高瓴环境科技有限公司 | Modular integrated sewage treatment equipment and sewage treatment method thereof |
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