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CN113387510A - Energy-saving emission-reducing sewage treatment equipment for sewage station and treatment process thereof - Google Patents

Energy-saving emission-reducing sewage treatment equipment for sewage station and treatment process thereof Download PDF

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Publication number
CN113387510A
CN113387510A CN202110670931.2A CN202110670931A CN113387510A CN 113387510 A CN113387510 A CN 113387510A CN 202110670931 A CN202110670931 A CN 202110670931A CN 113387510 A CN113387510 A CN 113387510A
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sewage
tank
pump
energy
biochemical
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张贺
李卫星
李佳尧
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Nanjing Institute Of Membrane Applied Technology Research Institute Co ltd
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Nanjing Institute Of Membrane Applied Technology Research Institute Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention provides energy-saving emission-reducing sewage treatment equipment for a sewage station and a treatment process thereof, wherein the energy-saving emission-reducing sewage treatment equipment for the sewage station comprises an air floatation machine, an adjusting mechanism, a sedimentation mechanism and a desliming machine, wherein one side of the air floatation machine is provided with a biochemical tank, one side of the biochemical tank is provided with a clean water tank, one side of the clean water tank is communicated with a discharge pipe, two sides of the biochemical tank are respectively provided with a fifth lifting pump and a sixth lifting pump, a water inlet and a water outlet of the fifth lifting pump are respectively communicated with one side of the air floatation machine and one side of the biochemical tank through pipelines, and a water inlet and a water outlet of the sixth lifting pump are respectively communicated with one side of the biochemical tank and one side of the clean water tank through pipelines; the adjusting mechanism comprises an adjusting tank and a first lifting pump. The energy-saving and emission-reducing sewage treatment equipment for the sewage station provided by the invention solves the problems of single treatment mode, lower sewage treatment efficiency and high energy consumption when the existing sewage treatment device is used for treating sewage.

Description

Energy-saving emission-reducing sewage treatment equipment for sewage station and treatment process thereof
Technical Field
The invention relates to the field of sewage treatment, in particular to energy-saving and emission-reducing sewage treatment equipment for a sewage station and a treatment process thereof.
Background
The sewage is discharged from life and production under certain pollution, water which loses the original use function is called sewage for short, mainly used water in life, contains more organic matters and is easy to treat, and the sewage can be defined as liquid or water which is mixed with underground water, surface water, storm snow and the like and carries wastes and is discharged from residences, institutions, businesses or industrial areas according to the source of the sewage, and a plurality of technologies and processes are provided for reducing the influence of the sewage on the environment correspondingly according to various types of the sewage. Sewage can be classified into four types according to the sewage source; first, industrial wastewater from sewage from manufacturing mining and industrial production activities, including runoff leachate from industrial or commercial storage, processing, and other wastewater that is not domestic sewage, second: domestic sewage is sewage from a house, an office building, an office or the like; sanitary sewage; sewer sewage, including the industrial waste water who mixes among the domestic sewage in the sewer system, rubbish, various atmospheric particulates subside etc. and cause through forms such as surface runoff, soil erosion, farmland drainage entering water environment, the third kind: non-toxic, harmless sewage from commercial facilities and having some components exceeding domestic sewage, such as restaurant sewage, laundry sewage, animal feeding sewage, sewage generated by hair salons, etc., fourth type: the surface runoff is from rainwater, snow water, expressway offal, water from cities and industrial areas, etc., the surface runoff does not seep into soil, enter groundwater along streets and lands, wherein the water body pollution caused by industrial wastewater is the most serious, the water body pollution contains many pollutants, the components are complex, the water is not easy to purify, the treatment is difficult, the industrial wastewater is the most important reason of the water body pollution caused by the industrial pollution, the industrial wastewater accounts for most of the pollutants discharged by the industry, the pollutants contained in the industrial wastewater are different due to different types of plants, even the same type of plants, the production process is different, the quality and the quantity of the pollutants contained in the industrial wastewater are different, the industry can pollute the water body except that the discharged wastewater is directly injected into the water body to cause pollution, and solid waste and waste gas can also pollute the water body.
For the sewage problem, generally, sewage is treated by sewage treatment equipment, but when the sewage is treated by the existing sewage treatment device, the treatment mode is single, the sewage treatment efficiency is lower, a large amount of energy needs to be consumed during the operation of the sewage treatment device, the energy consumption is large, and the energy consumption is not in direct proportion to the sewage treatment capacity.
Therefore, it is necessary to provide a new energy saving and emission reduction type sewage treatment apparatus for a sewage station to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides energy-saving emission-reducing sewage treatment equipment with energy-saving emission-reducing functions for a sewage station and a treatment process thereof.
The invention provides energy-saving and emission-reducing sewage treatment equipment for a sewage station, which comprises an air floatation machine, an adjusting mechanism, a sedimentation mechanism and a desliming machine, wherein a biochemical tank is arranged on one side of the air floatation machine, a clean water tank is arranged on one side of the biochemical tank, a discharge pipe is communicated with one side of the clean water tank, a fifth lifting pump and a sixth lifting pump are respectively arranged on two sides of the biochemical tank, a water inlet and a water outlet of the fifth lifting pump are respectively communicated with one side of the air floatation machine and one side of the biochemical tank through pipelines, and a water inlet and a water outlet of the sixth lifting pump are respectively communicated with one side of the biochemical tank and one side of the clean water tank through pipelines; the regulating mechanism comprises a regulating tank, a first lifting pump, a first stirrer, a liquid level meter and a second lifting pump, wherein the first lifting pump and the second lifting pump are respectively arranged on two sides of the regulating tank; the sedimentation mechanism comprises a sedimentation tank, a third lifting pump, a second stirrer and a fourth lifting pump, wherein the third lifting pump and the fourth lifting pump are respectively arranged on two sides of the sedimentation tank, the water inlet of the third lifting pump is communicated with the water outlet of the second lifting pump through a pipeline, the water inlet and the water outlet of the fourth lifting pump are respectively communicated with one side of the sedimentation tank and one side of the air floatation machine through a pipeline, and the inner cavity of the sedimentation tank is provided with the second stirrer.
In order to achieve the effect of conveniently storing sludge, the invention provides an energy-saving and emission-reducing type sewage treatment device for a sewage station.
In order to achieve the effect of facilitating cleaning of a sludge tank, the invention provides an energy-saving and emission-reducing type sewage treatment device for a sewage station.
In order to achieve the effect of reducing the settling time, the invention provides an energy-saving and emission-reducing sewage treatment device for a sewage station.
In order to achieve the effect of facilitating observation of the residual chemicals in the chemical tank, the invention provides an energy-saving and emission-reducing sewage treatment device for a sewage station.
In order to achieve the effect of conveniently adding biochemical strains into the biochemical pool, the invention provides the energy-saving and emission-reducing sewage treatment equipment for the sewage station.
In order to achieve the effect of filtering small particles in sewage, the invention provides an energy-saving and emission-reducing sewage treatment device for a sewage station.
In order to achieve the effect of improving the stability of the placing plate, the invention provides an energy-saving and emission-reducing sewage treatment device for a sewage station.
The invention also provides a treatment process of the energy-saving and emission-reducing sewage treatment equipment for the sewage station, which comprises the following steps:
s1, firstly, conveying external sewage into a regulating reservoir through a first lifting pump, and carrying out purification pretreatment on the sewage;
s2, conveying the sewage in the regulating reservoir to a sedimentation reservoir through a second lifting pump and a third lifting pump, and precipitating large-volume solid garbage in the sewage;
s3, conveying the sewage in the sedimentation tank to an air floatation machine through a fourth lifting pump, and treating scum in the sewage;
s4, conveying the sewage treated by the air floatation machine to a biochemical pool through a fifth lifting pump, and treating fine residues or heavy metals and the like in the sewage;
s5, conveying the treated sewage into a clean water pool through a sixth lift pump, and discharging the sewage through a discharge pipe communicated with one side of the clean water pool;
s6, sludge and the like generated in the sewage filtration process of the sedimentation tank, the air flotation machine and the biochemical tank can be conveyed to the desliming machine through sludge discharge pumps on one sides of the sedimentation tank, the air flotation machine and the biochemical tank, and the sludge is dewatered.
The working flow rates of the first lift pump, the second lift pump, the third lift pump, the fourth lift pump, the fifth lift pump and the sixth lift pump in the S1, the S2, the S3, the S4, the S5 and the S6 are all 5m3H, the capacity of the regulating reservoir in S1 is 50m3The capacity of the sedimentation tank in the S2 is 5m3And the working flow of the air flotation machine in the step S3 is 5m3H, the capacity of the clean water tank in the S5 is 2m3The working flow rate of the dredge pump in the S6 is 2m3/h。
Compared with the prior art, the invention has the beneficial effects that:
the energy-saving emission-reducing sewage treatment equipment for the sewage station is characterized in that sewage is conveyed into an adjusting tank through a first lifting pump, a liquid level meter is arranged in the adjusting tank, when the water level reaches a preset position, the power supply of the first lifting pump can be cut off, the situation that the sewage quantity exceeds the treatment range of the device to influence the actual sewage treatment effect is avoided, then the sewage is stirred through a first stirrer, the situation that the sewage is temporarily stored in the adjusting tank to cause precipitation to influence the treatment work in the later period is avoided, then the sewage is conveyed into a sedimentation tank through a second lifting pump to be precipitated, the precipitated sewage is conveyed into an air floatation machine through a fourth lifting pump, suspended matters or floating oil in the sewage can be removed through the air floatation machine, the treated sewage can be conveyed into a biochemical tank through a fifth lifting pump, pollutants in the sewage can be decomposed by adding biochemical strains into the biochemical tank, sewage after biochemical pond handles can be in passing through sixth elevator pump transport to the clear water pond, the delivery pipe that sets up through clear water pond one side discharges, the sedimentation tank, thing such as silt that air supporting machine and biochemical pond produced in filtering sewage can be carried to the desliming machine in through the mud pump of one side separately, carry out dehydration to mud and handle, current sewage treatment plant when handling sewage has been solved, the treatment is single, sewage treatment's efficiency is lower, and self during operation need consume a large amount of energy, energy loss is big, energy consumption and the not directly proportional problem of sewage treatment volume.
Drawings
FIG. 1 is a schematic structural view of a preferred embodiment of an energy-saving and emission-reducing sewage treatment apparatus for a sewage station according to the present invention;
FIG. 2 is a schematic view of the sedimentation tank shown in FIG. 1;
FIG. 3 is a schematic view of a partial structure of the biochemical tank shown in FIG. 1;
FIG. 4 is a partial structural sectional view of the biochemical tank shown in FIG. 1;
FIG. 5 is an enlarged view of the structure shown at A in FIG. 1;
FIG. 6 is a process flow diagram of a preferred embodiment of the energy-saving and emission-reducing sewage treatment apparatus for a sewage station and a treatment process thereof according to the present invention;
fig. 7 is a schematic structural view of a first membrane system and a second membrane system of the present invention.
Reference numbers in the figures: 1. an air flotation machine; 2. a desliming machine; 3. a biochemical pool; 4. a clean water tank; 5. a discharge pipe; 6. an adjustment mechanism; 601. a regulating tank; 602. a first lift pump; 603. a first mixer; 604. a liquid level meter; 605. a second lift pump; 7. a precipitation mechanism; 701. a sedimentation tank; 702. a third lift pump; 703. a second mixer; 704. a fourth lift pump; 8. a fifth lift pump; 9. a sixth lift pump; 10. a sludge tank; 11. a support plate; 12. a flush pump; 13. placing the plate; 14. a kit; 15. a metering pump; 16. an observation plate; 17. a connecting plate; 18. a medicine adding device; 19. a basket grid; 20. a hoisting ring; 21. mounting a plate; 22. A submersible mixer; 23. a stabilizing block; 24. a first membrane system; 25. a second membrane system.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, wherein fig. 1 is a schematic structural view of a preferred embodiment of an energy-saving and emission-reducing sewage treatment apparatus for a sewage station according to the present invention; FIG. 2 is a schematic view of the sedimentation tank shown in FIG. 1; FIG. 3 is a schematic view of a partial structure of the biochemical tank shown in FIG. 1; FIG. 4 is a partial structural sectional view of the biochemical tank shown in FIG. 1; FIG. 5 is an enlarged view of the structure at A in FIG. 1 showing an energy-saving and emission-reducing type sewage treatment apparatus for a sewage station, FIG. 6 is a process flow chart of a preferred embodiment of the energy-saving and emission-reducing sewage treatment apparatus for a sewage station and the treatment process thereof provided by the present invention, FIG. 7 is a schematic structural diagram of a first membrane system and a second membrane system of the invention, and is an energy-saving and emission-reducing sewage treatment device for a sewage station and a treatment process thereof, comprising an air flotation machine 1 and a desliming machine 2, wherein one side of the air flotation machine 1 is provided with a biochemical tank 3, one side of the biochemical tank 3 is provided with a clean water tank 4, one side of the clean water tank 4 is communicated with a discharge pipe 5, two sides of the biochemical tank 3 are respectively provided with a fifth lift pump 8 and a sixth lift pump 9, a water inlet and a water outlet of the fifth lift pump 8 are respectively communicated with one side of the air flotation machine 1 and one side of the biochemical tank 3 through pipelines, and a water inlet and a water outlet of the sixth lift pump 9 are respectively communicated with one side of the biochemical tank 3 and one side of the clean water tank 4 through pipelines;
one side of the deslimer 2 is communicated with a sludge tank 10 through a pipeline, and the sludge tank 10 is positioned behind the biochemical tank 3;
one side of the sludge tank 10 is fixedly connected with a supporting plate 11, and the top of the supporting plate 11 is fixedly connected with a flushing pump 12;
one side of the biochemical pool 3 is fixedly connected with a connecting plate 17, and one side of the connecting plate 17 is provided with a doser 18;
a basket grid 19 is arranged in the inner cavity of the biochemical pool 3, a lifting ring 20 is fixedly connected to the top of the basket grid 19, a mounting plate 21 is fixedly connected to the bottom of the inner cavity of the biochemical pool 3, a submersible mixer 22 is arranged at the top of the mounting plate 21, and a first membrane system 24 and a second membrane system 25 are further arranged in the inner cavity of the biochemical pool 3;
the bottom of the inner cavity of the biochemical pool 3 is fixedly connected with a mounting plate 21, and the top of the mounting plate 21 is provided with a submersible mixer 22.
It should be noted that: after the sewage treated by the air floatation machine 1 is conveyed to the biochemical tank 3 through the fifth lifting pump 8, the basket grid 19 is arranged in the biochemical tank 3 and can filter fine particles in the sewage, when the basket grid 19 is required to be cleaned after being used for multiple times, the basket grid 19 can be lifted by the lifting ring 20 arranged at the top of the basket grid for cleaning, the chemical adding device 18 arranged at one side of the biochemical tank 3 can automatically convey the internally stored biochemical strains into the biochemical tank 3 when the sewage enters the biochemical tank 3, the pollutants in the sewage can be decomposed without the manual addition of the biochemical strains by a user, the use experience of the user is improved, after the biochemical strains are added through the chemical adding device 18, the submersible mixer 22 can fully mix the sewage and the biochemical strains, the decomposition efficiency of the pollutants in the sewage is improved, the first membrane system 24 arranged in the biochemical tank 3 is a hollow fiber membrane, through the distinctive selective permeability characteristic of hollow fiber membrane, can tentatively hold back suspended solid and the tiny particulate matter of filtering action aquatic, second membrane system sets up to reverse osmosis membrane, can effectively hold back all organic matters that dissolve salt content and molecular weight are greater than 100, sedimentation tank 701, air supporting machine 1 and biochemical pond 3 can carry to desliming machine 2 in through the mud pump of the row of one side separately in silt that produces in filtering sewage, carry out dehydration to mud, mud after the desliming can be discharged into in sludge impoundment 10, the flush pump 12 that sludge impoundment 10 one side set up can wash in sludge impoundment 10 behind the sludge impoundment 10 discharge silt.
In a specific implementation process, as shown in fig. 1, the adjusting mechanism 6 includes an adjusting tank 601, a first lift pump 602, a first stirrer 603, a liquid level meter 604 and a second lift pump 605, the first lift pump 602 and the second lift pump 605 are respectively disposed on two sides of the adjusting tank 601, a water outlet of the first lift pump 602 is communicated with one side of the adjusting tank 601 through a pipeline, a water inlet of the second lift pump 605 is communicated with one side of the adjusting tank 601 through a pipeline, and the liquid level meter 604 and the first stirrer 603 are respectively disposed in an inner cavity of the adjusting tank 601.
Referring to fig. 1 and 2, the sedimentation mechanism 7 includes a sedimentation tank 701, a third lift pump 702, a second stirrer 703 and a fourth lift pump 704, the third lift pump 702 and the fourth lift pump 704 are respectively disposed on two sides of the sedimentation tank 701, a water inlet of the third lift pump 702 is communicated with a water outlet of the second lift pump 605 through a pipeline, a water inlet and a water outlet of the fourth lift pump 704 are respectively communicated with one side of the sedimentation tank 701 and one side of the air flotation machine 1 through pipelines, and the second stirrer 703 is disposed in an inner cavity of the sedimentation tank 701;
a placing plate 13 is fixedly connected to one side of the sedimentation tank 701, a chemical box 14 and a metering pump 15 are respectively and fixedly connected to the top of the placing plate 13, and a water inlet and a water outlet of the metering pump 15 are respectively communicated with one side of the chemical box 14 and one side of the sedimentation tank 701 through pipelines;
an observation plate 16 is arranged on one side of the chemical box 14, and scale marks are arranged on the surface of the observation plate 16;
the bottom of the placing plate 13 is fixedly connected with a stabilizing block 23, and one side of the stabilizing block 23 is fixedly connected with one side of the sedimentation tank 701.
It should be noted that: when deposiing in sewage gets into sedimentation tank 701, can carry out the flocculating agent to sedimentation tank 701 in with the chemical tank 14 through the work of measuring pump 15, then carry out the intensive mixing with flocculating agent and sewage through second mixer 703, thereby the precipitation efficiency of sewage has been improved, the required time that consumes of sewage deposit has been reduced, one side of chemical tank 14 is provided with observation board 16, and observation board 16's surface still is provided with the scale mark, the person of facilitating the use observes the surplus of chemical tank 14 in, so that in time supply, place the stability piece 23 that board 13 bottom set up and can improve the stability of placing board 13, thereby chemical tank 14 and measuring pump 15 stability in the use have been improved.
The invention also provides a treatment process of the energy-saving and emission-reducing sewage treatment equipment for the sewage station, which comprises the following steps:
s1, firstly, conveying external sewage into the regulating tank 601 through the first lifting pump 602, and carrying out purification pretreatment on the sewage;
s2, conveying the sewage in the regulating tank 601 to the sedimentation tank 701 through the second lifting pump 605 and the third lifting pump 702, and precipitating large-volume solid garbage in the sewage;
s3, conveying the sewage in the sedimentation tank 701 into the air floatation machine 1 through the fourth lifting pump 704, and treating scum in the sewage;
s4, conveying the sewage treated by the air floatation machine 1 into a biochemical tank 3 through a fifth lifting pump 8, and treating fine residues or heavy metals and the like in the sewage;
s5, conveying the treated sewage into the clean water tank 4 through a sixth lifting pump 9, and discharging the sewage through a discharge pipe 5 communicated with one side of the clean water tank 4;
s6, the sedimentation tank 701, the air flotation machine 1 and the biochemical tank 3 can convey sludge and other substances generated in the sewage filtration to the desliming machine 2 through sludge discharge pumps on one side of each of the sedimentation tank, the air flotation machine 1 and the biochemical tank, and the sludge is dewatered.
The working flow rates of the first lift pump 602, the second lift pump 605, the third lift pump 702, the fourth lift pump 704, the fifth lift pump 8 and the sixth lift pump 9 in S1, S2, S3, S4, S5 and S6 are all 5m3H, the capacity of the adjusting tank 601 in S1 is 50m3And the sedimentation tank 701 in S2 has a capacity of 5m3And the working flow of the air flotation machine 1 in S3 is 5m3H, the capacity of the clean water tank 4 in S5 is 2m3And the working flow rate of the dredge pump in S6 is 2m3/h。
Wherein the total amount of the original sewage is 50m3D, discharging the original sewage after treatment to a sewage plant in the gold harbor sectionThe specific adapter tube contaminant concentrations are as follows:
Figure BDA0003119184600000081
through field pilot test, the water quality indexes of inlet and outlet water of the air floatation system are as follows:
Figure BDA0003119184600000082
original sewage contains multiple sewage and mixes, needs to adjust quality of water yield, and the incoming water pH is on the low side, and the suspended solid is higher, and COD content is high simultaneously, and the biodegradability is poor, oiliness in the partial sewage.
The working principle of the energy-saving and emission-reducing sewage treatment equipment for the sewage station provided by the invention is as follows:
when the device is used, a sewage pipeline is required to be in butt joint with a water inlet of a first lifting pump 602, then the sewage is conveyed into an adjusting tank 601 through the first lifting pump 602, a liquid level meter 604 is arranged in the adjusting tank 601, when the water level reaches a preset position, the power supply of the first lifting pump 602 can be cut off, the problem that the sewage quantity exceeds the treatment range of the device to influence the actual sewage treatment effect is avoided, then the sewage is stirred through a first stirrer 603, the problem that the sewage is precipitated when temporarily stored in the adjusting tank 601 to influence the later treatment work is avoided, then the sewage is conveyed into a sedimentation tank 701 through a second lifting pump 605 to be precipitated, in the precipitation process, a flocculating agent in a chemical tank 14 can be conveyed to the sedimentation tank 701 through the work of a metering pump 15, then the flocculating agent and the sewage are fully mixed through a second stirrer 703, and the precipitation efficiency of the sewage is improved, the time consumed by sewage sedimentation is reduced, sewage after sedimentation is finished is conveyed into the air flotation machine 1 through the fourth lifting pump 704, suspended matters or floating oil in the sewage can be removed through the air flotation machine 1, the sewage after treatment of the air flotation machine 1 can be conveyed into the biochemical pool 3 through the fifth lifting pump 8, a basket grid 19 is arranged in the biochemical pool 3 and can filter fine particles in the sewage, when the basket grid 19 is used for multiple times and needs to be cleaned, the basket grid can be lifted for cleaning through a lifting ring 20 arranged at the top of the basket grid, a chemical adding device 18 arranged at one side of the biochemical pool 3 can automatically convey biochemical bacteria stored inside the biochemical pool 3 when the sewage enters the biochemical pool 3, the user does not need to manually add the biochemical bacteria to decompose pollutants in the sewage, and the use experience of the user is improved, and after adding biochemical bacteria through the chemical adding device 18, the submersible mixer 22 can fully mix the sewage and the biochemical bacteria through working, the decomposition efficiency of pollutants in the sewage is improved, the first membrane system 24 arranged in the biochemical tank 3 is set as a hollow fiber membrane, suspended matters and fine particles in the sewage can be removed through the specific selective permeability characteristic of the hollow fiber membrane, the second membrane system is set as a reverse osmosis membrane, all organic matters with dissolved salt and molecular weight more than 100 can be effectively intercepted, the recovery rate of the membrane system is not less than 80%, the desalination rate in three years is more than 98%, the sewage treated by the biochemical tank 3 can be conveyed into the clean water tank 4 through the sixth lifting pump 9, the sewage is discharged through the discharge pipe 5 arranged on one side of the clean water tank 4, sludge and the like generated in the sewage filtration process of the sedimentation tank 701, the air flotation machine 1 and the biochemical tank 3 can be conveyed to the desliming machine 2 through the sludge discharge pumps on one side of each In, carry out dehydration to mud, in mud after the desliming can discharge into sludge impoundment 10, the flush pump 12 that sludge impoundment 10 one side set up can be rinsed in sludge impoundment 10 after sludge impoundment 10 discharge silt, uses through the cooperation of above-mentioned device, can reach the requirement that the nearly zero discharge system rate of recovery of the whole set is greater than 90%.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides an energy saving and emission reduction type sewage treatment device for sewage station which characterized in that includes:
the device comprises an air floatation machine (1) and a desliming machine (2), wherein a biochemical pool (3) is arranged on one side of the air floatation machine (1), a clean water pool (4) is arranged on one side of the biochemical pool (3), a discharge pipe (5) is communicated with one side of the clean water pool (4), a fifth lift pump (8) and a sixth lift pump (9) are respectively arranged on two sides of the biochemical pool (3), a water inlet and a water outlet of the fifth lift pump (8) are respectively communicated with one side of the air floatation machine (1) and one side of the biochemical pool (3) through pipelines, and a water inlet and a water outlet of the sixth lift pump (9) are respectively communicated with one side of the biochemical pool (3) and one side of the clean water pool (4) through pipelines;
the adjusting device comprises an adjusting mechanism (6), wherein the adjusting mechanism (6) comprises an adjusting tank (601), a first lifting pump (602), a first stirrer (603), a liquid level meter (604) and a second lifting pump (605), the first lifting pump (602) and the second lifting pump (605) are respectively arranged on two sides of the adjusting tank (601), a water outlet of the first lifting pump (602) is communicated with one side of the adjusting tank (601) through a pipeline, a water inlet of the second lifting pump (605) is communicated with one side of the adjusting tank (601) through a pipeline, and an inner cavity of the adjusting tank (601) is respectively provided with the liquid level meter (604) and the first stirrer (603);
the sedimentation mechanism (7), sedimentation mechanism (7) includes sedimentation tank (701), third elevator pump (702), second mixer (703) and fourth elevator pump (704), the both sides of sedimentation tank (701) are provided with third elevator pump (702) and fourth elevator pump (704) respectively, the water inlet of third elevator pump (702) passes through the pipeline and communicates with the delivery port of second elevator pump (605), the water inlet and the delivery port of fourth elevator pump (704) communicate with one side of sedimentation tank (701) and one side of air supporting machine (1) through the pipeline respectively, the inner chamber of sedimentation tank (701) is provided with second mixer (703).
2. The energy-saving and emission-reducing sewage treatment plant for the sewage station as claimed in claim 1, wherein one side of the deslimer (2) is communicated with a sludge tank (10) through a pipeline, and the sludge tank (10) is positioned behind the biochemical tank (3).
3. The energy-saving and emission-reducing sewage treatment plant for the sewage station according to claim 2, wherein a support plate (11) is fixedly connected to one side of the sludge tank (10), and a washing pump (12) is fixedly connected to the top of the support plate (11).
4. The energy-saving and emission-reducing sewage treatment plant for the sewage station according to claim 1, wherein a placing plate (13) is fixedly connected to one side of the settling tank (701), a chemical tank (14) and a metering pump (15) are respectively fixedly connected to the top of the placing plate (13), and a water inlet and a water outlet of the metering pump (15) are respectively communicated with one side of the chemical tank (14) and one side of the settling tank (701) through pipes.
5. The energy-saving and emission-reducing sewage treatment apparatus for a sewage station according to claim 4, wherein an observation plate (16) is provided at one side of the chemical tank (14), and scale lines are provided on a surface of the observation plate (16).
6. The energy-saving and emission-reducing sewage treatment equipment for the sewage station as claimed in claim 1, wherein a connecting plate (17) is fixedly connected to one side of the biochemical tank (3), and a doser (18) is arranged on one side of the connecting plate (17).
7. The energy-saving and emission-reducing sewage treatment equipment for the sewage station as defined in claim 1, wherein the inner cavity of the biochemical pool (3) is provided with a basket grid (19), the top of the basket grid (19) is fixedly connected with a lifting ring (20), the bottom of the inner cavity of the biochemical pool (3) is fixedly connected with a mounting plate (21), the top of the mounting plate (21) is provided with a submersible mixer (22), and the inner cavity of the biochemical pool (3) is further provided with a first membrane system (24) and a second membrane system (25).
8. The energy-saving and emission-reducing sewage treatment apparatus for the sewage station according to claim 4, wherein a stabilizing block (23) is fixedly connected to the bottom of the placing plate (13), and one side of the stabilizing block (23) is fixedly connected to one side of the settling tank (701). .
9. The energy-saving and emission-reducing sewage treatment apparatus for a sewage station according to claims 1 to 8, further providing a treatment process of the energy-saving and emission-reducing sewage treatment apparatus for a sewage station, comprising the steps of:
s1, firstly, external sewage is conveyed into a regulating tank (601) through a first lifting pump (602), and the sewage is subjected to purification pretreatment;
s2, conveying the sewage in the regulating tank (601) to a sedimentation tank (701) through a second lifting pump (605) and a third lifting pump (702), and precipitating large-volume solid garbage in the sewage;
s3, conveying the sewage in the sedimentation tank (701) to the air flotation machine (1) through a fourth lifting pump (704), and treating the scum in the sewage;
s4, conveying the sewage treated by the air floatation machine (1) into a biochemical pool (3) through a fifth lifting pump (8), and treating fine residues or heavy metals and the like in the sewage;
s5, conveying the treated sewage into a clean water tank (4) through a sixth lifting pump (9), and then discharging the sewage through a discharge pipe (5) communicated with one side of the clean water tank (4);
s6, the sedimentation tank (701), the air flotation machine (1) and the biochemical tank (3) can convey sludge and other substances generated in sewage filtration to the desliming machine (2) through sludge discharge pumps on one sides of the sedimentation tank, the air flotation machine and the biochemical tank, and the sludge is dewatered.
10. The treatment process of an energy-saving emission-reducing sewage treatment plant for a sewage station of claim 9, wherein the working flow rates of the first lift pump (602), the second lift pump (605), the third lift pump (702), the fourth lift pump (704), the fifth lift pump (8) and the sixth lift pump (9) of the S1, S2, S3, S4, S5 and S6 are all 5m3H, the capacity of the regulating reservoir (601) in S1 is 50m3The capacity of the sedimentation tank (701) in the S2 is 5m3The working flow of the air flotation machine (1) in the S3 is 5m3H, the capacity of the clean water tank (4) in the S5 is 2m3The working flow rate of the dredge pump in the S6 is 2m3/h。
CN202110670931.2A 2021-06-17 2021-06-17 Energy-saving emission-reducing sewage treatment equipment for sewage station and treatment process thereof Pending CN113387510A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116253461A (en) * 2023-02-23 2023-06-13 南通华新环保科技股份有限公司 A multifunctional integrated underground sewage treatment equipment and its treatment method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11207393A (en) * 1998-01-27 1999-08-03 Mitsubishi Kakoki Kaisha Ltd Treatment of organic sewage
CN204897576U (en) * 2015-07-21 2015-12-23 连云港锐巴化工有限公司 A equipment for waste water treatment in rubber ingredient production
CN106495410A (en) * 2016-12-12 2017-03-15 辽宁清澄环境工程有限公司 A kind of intensive rural domestic sewage treatment system
CN108423948A (en) * 2018-05-17 2018-08-21 霍邱县康乾商贸有限公司 A kind of integrated sewage treating apparatus
CN111606517A (en) * 2020-06-08 2020-09-01 碧水蓝天环境工程有限公司 Breeding wastewater treatment process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11207393A (en) * 1998-01-27 1999-08-03 Mitsubishi Kakoki Kaisha Ltd Treatment of organic sewage
CN204897576U (en) * 2015-07-21 2015-12-23 连云港锐巴化工有限公司 A equipment for waste water treatment in rubber ingredient production
CN106495410A (en) * 2016-12-12 2017-03-15 辽宁清澄环境工程有限公司 A kind of intensive rural domestic sewage treatment system
CN108423948A (en) * 2018-05-17 2018-08-21 霍邱县康乾商贸有限公司 A kind of integrated sewage treating apparatus
CN111606517A (en) * 2020-06-08 2020-09-01 碧水蓝天环境工程有限公司 Breeding wastewater treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116253461A (en) * 2023-02-23 2023-06-13 南通华新环保科技股份有限公司 A multifunctional integrated underground sewage treatment equipment and its treatment method

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