CN210150801U - Integrated sewage treatment tank applying biological multiplication and fluidized bed process - Google Patents
Integrated sewage treatment tank applying biological multiplication and fluidized bed process Download PDFInfo
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- CN210150801U CN210150801U CN201920508099.4U CN201920508099U CN210150801U CN 210150801 U CN210150801 U CN 210150801U CN 201920508099 U CN201920508099 U CN 201920508099U CN 210150801 U CN210150801 U CN 210150801U
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Abstract
The utility model provides an integrated sewage treatment tank applying biological multiplication and fluidized bed process, which comprises a tank body, wherein a compartment plate is arranged in the tank body to divide the tank body into an anaerobic zone, an anoxic zone, an aerobic zone and a sedimentation zone in sequence; and fillers are arranged in the anaerobic zone, the anoxic zone and the aerobic zone. The utility model organically combines the biological multiplication process and the fluidized bed process, and has the advantages of high efficiency, stability, good sewage treatment effect and small occupied area; by applying the principle of shallow layer sedimentation, the sedimentation distance of the particles is shortened, so that the sedimentation time is shortened, and the sedimentation area of the sedimentation tank is increased, so that the treatment efficiency is improved; through the setting that lower floor's pipe chute diameter is greater than upper strata pipe chute diameter, the treatment effect is better.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to an integrated form integration sewage treatment jar of applied biological multiplication and fluidized bed technology.
Background
The biological multiplication process is a novel sewage treatment process of German utility model, short-cut nitrification/denitrification is realized by adopting low dissolved oxygen (usually 0.3-0.5 mg/L), high sludge concentration (usually 5-8 g/L) ensures high efficiency and continuous stability of treatment, the biological multiplication process has high-efficiency biological denitrification and good dephosphorization effect, and the biological multiplication process has the advantages of small maintenance workload, small occupied area, low investment and operation cost. The biological multiplication process in the prior art has poor effect of deeply treating sewage.
The fluidized bed process is a structure which takes sand (or anthracite, active carbon and the like) as a filler and a biofilm carrier to improve the treatment efficiency of a biofilm process, wastewater flows through the sand bed from bottom to top to enable the carrier layer to be in a flowing state, so that the contact area of the biofilm and the wastewater is increased in unit time, oxygen is fully supplied, and the biological wastewater treatment process is strengthened by utilizing the boiling state of the filler. The biological fluidized bed has high process efficiency, small occupied area and low investment, and is used for advanced treatment of sewage nitrification, denitrification and the like, secondary treatment of sewage and other industrial wastewater treatment containing phenol, pharmacy and the like in countries of America, Japan and the like. But the yield of the target product of the fluidized bed process is low; the reaction conversion rate is low; the operation is empirical and random.
Rural sewage has characteristics such as high phosphorus, high nitrogen, high ammonia nitrogen and COD, and the quality of water pollutant index of intaking is on the high side, and the quality of water that goes out requires highly, consequently, needs to look for a high efficiency stable, sewage treatment is effectual, area is little equipment.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an object of the utility model is to provide an integrated form integration sewage treatment jar of applied biological multiplication and fluidized bed technology to prior art not enough.
The utility model discloses an innovation point lies in the utility model discloses in combine biological multiplication technology and fluidized bed technology, high-efficient stable, sewage treatment is effectual, area is little.
The technical scheme is as follows: in order to achieve the above object, the present invention specifically provides a method for manufacturing a semiconductor device, comprising: an integrated sewage treatment tank applying biological multiplication and fluidized bed processes comprises a tank body, wherein a compartment plate is arranged in the tank body to divide the tank body into an anaerobic zone, an anoxic zone, an aerobic zone and a precipitation zone in sequence, a water passing hole is formed in the compartment plate, a water inlet and a water outlet are further formed in the tank body, the water inlet is formed in the anaerobic zone, the water outlet is formed in the precipitation zone, the aerobic zone returns to the anaerobic zone through a sludge return pipeline, an inclined pipe is arranged in the precipitation zone and divided into an upper layer and a lower layer, and the diameter of the inclined pipe at the lower layer is larger than that of the inclined pipe at the upper layer; and fillers are arranged in the anaerobic zone, the anoxic zone and the aerobic zone. The biological multiplication process and the fluidized bed process are organically combined, so that the efficiency is high, the stability is high, the sewage treatment effect is good, and the occupied area is small; by applying the principle of 'shallow layer sedimentation', the sedimentation distance of the particles is shortened, so that the sedimentation time is shortened, and the sedimentation area of the sedimentation tank is increased, so that the treatment efficiency is improved.
Furthermore, a membrane filtration area is arranged behind the precipitation area, the water outlet is positioned at the membrane filtration area, an integrated MBR membrane micro-power bioreactor is arranged in the filtration area, and sludge discharge pipelines are arranged at the bottoms of the precipitation area and the membrane filtration area. The integrated MBR membrane micro-power bioreactor disclosed by Chinese patent '2018113496018' has good solid-liquid separation and filtration effects. Through setting up row mud pipeline, effectively prevent the mud siltation, cause jar internal portion to block up.
And further, aeration devices are arranged in the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the membrane filtration zone, and the dissolved oxygen concentrations of the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the membrane filtration zone are all less than or equal to 0.5 mg/L. By controlling the aeration intensity, the oxygen supply rate of the anaerobic zone is close to that of the aerobic zone, and the nitration reaction of the mixed liquid is ensured. Meanwhile, because the concentration of dissolved oxygen is low, the denitrifying bacteria can utilize nitrate as an electron acceptor to carry out denitrification reaction. The reaction process of the nitrogen in the middle ring is a synchronous nitrification and denitrification process.
Further, the aeration device is a perforated aeration device or a microporous aeration device, and the aeration device adopts intermittent aeration. The concentration of the dissolved oxygen sludge is effectively controlled, so that the shortcut nitrification and denitrification can be smoothly realized, the energy is saved, and the residence time of the system is reduced.
Furthermore, the end part of the sludge return pipeline positioned at the aerobic zone is a bell mouth. The reflux quantity is increased, a large-specific-time circulating dilution technology is realized, and partial filler in an aerobic zone can be brought in during reflux, so that the concentration of pollutants in inlet water is rapidly reduced, the microorganisms are effectively prevented from being impacted, and a stable water body environment is provided for the growth of the microorganisms.
Further, the filler is one or more of MBBR biological filler, powdered activated carbon filler or PVC filler. One or more fillers are applied to the tank body, the fillers are small in size and large in quantity, and are suspended in flowing sewage to form a fluidized bed, so that the load resistance of the tank body is effectively improved, the contact area of the fillers and the sewage is increased in unit time, oxygen is fully supplied, the efficiency of producing a biological membrane by the fillers is improved, and the biological membrane is prevented from falling off.
Further, the tank body is of a plate structure or a hollow ribbed structure. The hollow ribbed structure is adopted, the strength of the tank body is improved, the thickness of the tank body is effectively increased, the thickness of the tank body can generally reach 8-12cm, the tank body is far superior to an integrated sewage treatment tank in the prior art, and the integrated sewage treatment tank has the advantages of light weight, high strength, heat preservation, noise prevention, corrosion resistance, long service life and the like. The hollow ribbed structure is formed by extrusion molding, shaping and mechanical winding processes, and has the characteristics of corrosion resistance, high strength, heat preservation, noise prevention, energy conservation and environmental protection.
Furthermore, the seal heads at the two ends of the tank body are flat plate seal heads or arc seal heads.
Further, the device also comprises an air inlet pipe and an aeration main pipe; one end of the air inlet pipe is communicated with the main aeration pipe, the other end of the air inlet pipe is connected with a fan, and the aeration device is connected with the main aeration pipe; and the sludge return pipeline positioned in the aerobic zone is also provided with an air stripping pipe, one end of the air stripping pipe is communicated with the sludge return pipeline, and the other end of the air stripping pipe is communicated with the air inlet pipe. The air stripping reflux is carried out by utilizing the fan in the aeration device in the prior device, so that the device has two purposes, is energy-saving and environment-friendly, and effectively reduces the operating cost of the device.
Furthermore, a submersible sewage pump is arranged in the aerobic zone and communicated with the end part of the sludge return pipeline.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages of as follows:
1. the utility model organically combines the biological multiplication process and the fluidized bed process, and has the advantages of high efficiency, stability, good sewage treatment effect and small occupied area; by applying the principle of shallow layer sedimentation, the sedimentation distance of the particles is shortened, so that the sedimentation time is shortened, and the sedimentation area of the sedimentation tank is increased, so that the treatment efficiency is improved; through the setting that lower floor's pipe chute diameter is greater than upper strata pipe chute diameter, the treatment effect is better.
2. The utility model discloses in through control aeration intensity, make the oxygen suppliment speed in anaerobic zone close with the oxygen suppliment speed in good oxygen district, guarantee to mix the nitration of liquid. Meanwhile, because the concentration of dissolved oxygen is low, the denitrifying bacteria can utilize nitrate as an electron acceptor to carry out denitrification reaction. The reaction process of the nitrogen in the middle ring is a synchronous nitrification and denitrification process.
3. The utility model discloses in adopt cavity to add the rib structure, promote jar body intensity, effectively increase jar body thickness, jar body thickness generally can reach 8-12cm, far surpasss the integration sewage treatment jar under the prior art, has superiorities such as light in weight, intensity height, heat preservation noise control, corrosion-resistant, long service life.
Drawings
Fig. 1 is a schematic structural view of embodiment 1.
Fig. 2 is a schematic structural view of embodiment 2.
Detailed Description
Example 1: as shown in fig. 1, an integrated sewage treatment tank applying bio-multiplication and fluidized bed processes comprises a tank body 1, wherein the tank body 1 is of a plate structure or a hollow ribbed structure; the end sockets at two ends of the tank body 1 are flat plate-shaped end sockets or arc-shaped end sockets. The tank body 1 is internally provided with a compartment plate 2 which divides the tank body 1 into an anaerobic zone 3, an anoxic zone 4, an aerobic zone 5 and a settling zone 6 in sequence, the compartment plate 2 is provided with a water hole 7, the tank body 1 is also provided with a water inlet 8 and a water outlet 9, the water inlet 8 is arranged at the anaerobic zone 3, the water outlet 9 is arranged at the settling zone 6, the aerobic zone 5 returns to the anaerobic zone 3 through a sludge return pipeline 10, and the end part of the sludge return pipeline 10, which is positioned at the aerobic zone 5, is a horn mouth. An inclined pipe 11 is arranged in the settling zone 6, the inclined pipe 11 is divided into an upper layer and a lower layer, and the diameter of the inclined pipe at the lower layer is larger than that of the inclined pipe at the upper layer; the anaerobic zone 3, the anoxic zone 4 and the aerobic zone 5 are all provided with fillers 15; the filler 15 is one or more of MBBR biological filler, powdered activated carbon filler or PVC filler. A membrane filtration area 12 is arranged behind the sedimentation area 6, the water outlet 9 is positioned at the membrane filtration area 12, an integrated MBR membrane micro-power bioreactor 13 is arranged in the membrane filtration area 12, and sludge discharge pipelines are arranged at the bottoms of the sedimentation area 6 and the membrane filtration area 12. Aeration devices 14 are arranged in the anaerobic zone 3, the anoxic zone 4, the aerobic zone 5, the sedimentation zone 6 and the membrane filtration zone 12, the aeration devices 14 are perforating aeration devices or microporous aeration devices, and the aeration devices adopt intermittent aeration; the dissolved oxygen concentration of the anaerobic zone 3, the anoxic zone 4, the aerobic zone 5, the precipitation zone 6 and the membrane filtration zone 12 is less than or equal to 0.5 mg/L.
The tank body 1 is provided with an air inlet pipe and an aeration pipe; one end of the air inlet pipe is communicated with the main aeration pipe, the other end of the air inlet pipe is connected with a fan, and the aeration device is connected with the main aeration pipe; and the sludge return pipeline positioned in the aerobic zone is also provided with an air stripping pipe, one end of the air stripping pipe is communicated with the sludge return pipeline, and the other end of the air stripping pipe is communicated with the air inlet pipe.
Example 2: as shown in fig. 2, an integrated sewage treatment tank applying bio-multiplication and fluidized bed processes comprises a tank body 1, wherein the tank body 1 is of a plate structure or a hollow ribbed structure; the end sockets at two ends of the tank body 1 are flat plate-shaped end sockets or arc-shaped end sockets. The tank body 1 is internally provided with a compartment plate 2 which divides the tank body 1 into an anaerobic zone 3, an anoxic zone 4, an aerobic zone 5 and a settling zone 6 in sequence, the compartment plate 2 is provided with a water hole 7, the tank body 1 is also provided with a water inlet 8 and a water outlet 9, the water inlet 8 is arranged at the anaerobic zone 3, the water outlet 9 is arranged at the settling zone 6, the aerobic zone 5 returns to the anaerobic zone 3 through a sludge return pipeline 10, and the end part of the sludge return pipeline 10, which is positioned at the aerobic zone 5, is a horn mouth. An inclined pipe 11 is arranged in the settling zone 6, the inclined pipe 11 is divided into an upper layer and a lower layer, and the diameter of the inclined pipe at the lower layer is larger than that of the inclined pipe at the upper layer; the anaerobic zone 3, the anoxic zone 4 and the aerobic zone 5 are all provided with fillers 15; the filler 15 is one or more of MBBR biological filler, powdered activated carbon filler or PVC filler. A membrane filtration area 12 is arranged behind the sedimentation area 6, the water outlet 9 is positioned at the membrane filtration area 12, an integrated MBR membrane micro-power bioreactor 13 is arranged in the membrane filtration area 12, and sludge discharge pipelines are arranged at the bottoms of the sedimentation area 6 and the membrane filtration area 12. Aeration devices 14 are arranged in the anaerobic zone 3, the anoxic zone 4, the aerobic zone 5, the sedimentation zone 6 and the membrane filtration zone 12, the aeration devices 14 are perforating aeration devices or microporous aeration devices, and the aeration devices adopt intermittent aeration; the dissolved oxygen concentration of the anaerobic zone 3, the anoxic zone 4, the aerobic zone 5, the precipitation zone 6 and the membrane filtration zone 12 is less than or equal to 0.5 mg/L. A submersible sewage pump 16 is arranged in the aerobic zone 5, and the submersible sewage pump 16 is communicated with the end part of the sludge return pipeline 10.
Claims (10)
1. An integrated sewage treatment tank applying biological multiplication and fluidized bed processes comprises a tank body, wherein a compartment plate is arranged in the tank body to divide the tank body into an anaerobic zone, an anoxic zone, an aerobic zone and a settling zone in sequence, a water passing hole is formed in the compartment plate, a water inlet and a water outlet are further formed in the tank body, the water inlet is formed in the anaerobic zone, the water outlet is formed in the settling zone, the aerobic zone returns to the anaerobic zone through a sludge return pipeline, and the integrated sewage treatment tank is characterized in that an inclined pipe is arranged in the settling zone and divided into an upper layer and a lower layer, and the diameter of the inclined pipe at the lower layer is larger than that of the inclined pipe at the upper layer; and fillers are arranged in the anaerobic zone, the anoxic zone and the aerobic zone.
2. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 1, wherein a membrane filtration zone is further disposed behind the settling zone, the water outlet is located at the membrane filtration zone, an integrated MBR membrane micro-power bioreactor is disposed in the membrane filtration zone, and sludge discharge pipes are disposed at the bottoms of the settling zone and the membrane filtration zone.
3. The integrated sewage treatment tank applying the bio-multiplication and fluidized bed process as claimed in claim 2, wherein aeration devices are respectively arranged in the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the membrane filtration zone, and the dissolved oxygen concentrations of the anaerobic zone, the anoxic zone, the aerobic zone, the sedimentation zone and the membrane filtration zone are respectively less than or equal to 0.5 mg/L.
4. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 3, wherein the aeration device is a perforated aeration device or a micro-porous aeration device, and the aeration device adopts intermittent aeration.
5. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 1, wherein the end of the sludge return pipe at the aerobic zone is a bell mouth.
6. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 1, wherein the filler is one of MBBR bio-filler, powdered activated carbon filler or PVC filler.
7. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 1, wherein the tank body is a plate structure or a hollow ribbed structure.
8. The integrated sewage treatment tank applying the bio-multiplication and fluidized bed process according to claim 1, wherein the end sockets at both ends of the tank body are flat plate-shaped end sockets or circular arc-shaped end sockets.
9. The integrated sewage treatment tank applying bio-multiplication and fluidized bed process according to claim 3, further comprising an air inlet pipe and an aeration main pipe; one end of the air inlet pipe is communicated with the main aeration pipe, the other end of the air inlet pipe is connected with a fan, and the aeration device is connected with the main aeration pipe; and the sludge return pipeline positioned in the aerobic zone is also provided with an air stripping pipe, one end of the air stripping pipe is communicated with the sludge return pipeline, and the other end of the air stripping pipe is communicated with the air inlet pipe.
10. The integrated sewage treatment tank applying biological multiplication and fluidized bed process according to claim 1, wherein a submersible sewage pump is arranged in the aerobic zone, and the submersible sewage pump is communicated with the end part of the sludge return pipeline.
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| CN201920508099.4U CN210150801U (en) | 2019-04-16 | 2019-04-16 | Integrated sewage treatment tank applying biological multiplication and fluidized bed process |
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| CN201920508099.4U CN210150801U (en) | 2019-04-16 | 2019-04-16 | Integrated sewage treatment tank applying biological multiplication and fluidized bed process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904741A (en) * | 2017-03-29 | 2017-06-30 | 天津西敦津洋环保科技有限公司 | A kind of sewage disposal device of light particle system |
| CN109970196A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated form integrated waste water treating tank of application biology multiplication and fluidized-bed process |
-
2019
- 2019-04-16 CN CN201920508099.4U patent/CN210150801U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904741A (en) * | 2017-03-29 | 2017-06-30 | 天津西敦津洋环保科技有限公司 | A kind of sewage disposal device of light particle system |
| CN109970196A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated form integrated waste water treating tank of application biology multiplication and fluidized-bed process |
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