CN216639069U - Multi-working-condition adjustable biochemical sewage treatment skid-mounted device - Google Patents
Multi-working-condition adjustable biochemical sewage treatment skid-mounted device Download PDFInfo
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- CN216639069U CN216639069U CN202123429899.3U CN202123429899U CN216639069U CN 216639069 U CN216639069 U CN 216639069U CN 202123429899 U CN202123429899 U CN 202123429899U CN 216639069 U CN216639069 U CN 216639069U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The application discloses a multi-working-condition adjustable biochemical sewage treatment skid-mounted device, which comprises an aeration tank, a sedimentation tank and a sewage circulating pump, wherein a sewage redistributor is arranged in the upper part of the aeration tank, and a distributor and a guide cylinder are arranged in the bottom of the aeration tank; the bottom of the sewage redistributor is connected with a plurality of jet flow aerators, and the spray ports of the jet flow aerators are led into the distributors; the pool wall top of aeration tank connects sewage overflow pipe, and sewage overflow pipe's exit end penetrates to the bottom of sedimentation tank in, and the access connection of sewage circulating pump has first feed liquor pipe, and the entry of first feed liquor pipe penetrates to the bottom of sedimentation tank in, the exit linkage sewage pipe of sewage circulating pump, and the other end of sewage pipe penetrates in the aeration tank and is connected with the sewage redistributor. The device of this application, efflux aerator spouts behind air and the intensive mixture of sewage, realizes redistributing through distributor and draft tube blowout, has very strong stirring function to the effluent water sump, has both guaranteed the efficient and has dissolved oxygen, guarantees whole effluent water sump dissolved oxygen sewage again.
Description
Technical Field
The utility model belongs to the technical fields of sewage treatment, environmental protection industry development, energy conservation and consumption reduction, and particularly relates to a multi-working-condition adjustable biochemical sewage treatment skid-mounted device.
Background
With the increasing requirements of biochemical sewage treatment processes on aeration devices and the increasing shortage of energy, research on novel high-efficiency and low-energy-consumption aeration devices has become an important part for promoting the development of sewage treatment and environmental protection industries and saving energy and reducing consumption.
In order to oxidize and decompose organic matters in the sewage and maintain the life of microorganisms, the sewage is oxygenated by adopting a proper aeration mode, and the activated sludge mixed liquid in the aeration tank is kept in a suspension state. The oxygenation modes comprise blast aeration, mechanical aeration (such as surface aeration) and combined aeration. The jet aeration biochemical treatment device is widely applied in the sewage treatment industry at present, is not only suitable for newly built and reconstructed sewage treatment plants, but also can be used for treating urban sewage and industrial organic sewage and treating common-concentration or high-concentration organic sewage, and can also be applied to deep aeration and oxidation ditches. The jet aeration biochemical treatment device generally comprises a raw material water pump, an aeration tank, a circulating water pump, a jet aerator, a sludge circulating pump, a sedimentation tank and the like. The device has the advantages of complex and non-compact structure, more constituent units, trivial road transportation, huge field installation workload, difficulty in integral migration of the device, prolonged construction period and increased comprehensive cost.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model aims to provide a multi-working-condition adjustable biochemical sewage treatment skid-mounted device which has the advantages of small volume, compact structure, small occupied area, convenience in installation and use, convenience in integral transfer, low manufacturing cost, energy conservation, consumption reduction and the like.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized by comprising an aeration tank, a sedimentation tank and a sewage circulating pump, wherein a sewage redistributor is arranged in the upper part of the aeration tank, a distributor and a guide cylinder connected to the upper part of the distributor are arranged in the bottom of the aeration tank, and the upper end of the guide cylinder is provided with a flaring; the bottom of the sewage redistributor is connected with a plurality of jet flow aerators, the jetting ports of the jet flow aerators are led into the distributors, and the side parts of the jet flow aerators are connected with air inlet pipelines; the top of the wall of the aeration tank is connected with a sewage overflow pipe, the outlet end of the sewage overflow pipe penetrates into the bottom of the sedimentation tank, the inlet of a sewage circulating pump is connected with a first liquid inlet pipe, the inlet of the first liquid inlet pipe penetrates into the bottom of the sedimentation tank, the outlet of the sewage circulating pump is connected with a sewage pipeline, and the other end of the sewage pipeline penetrates into the aeration tank and is connected with a sewage redistributor; wherein, the top of the sedimentation tank is connected with an overflow pipe.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that the axis of the jet aerator is perpendicular to the bottom of the aeration tank, the axis of the jet aerator is parallel to a sewage pipeline, and the axis of the jet aerator is perpendicular to a sewage redistributor.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that the air inlet pipeline is of a horizontal air inlet structure, one end of the air inlet pipeline is arranged outside the side wall of the aeration tank, and the other end of the air inlet pipeline penetrates through the side wall of the aeration tank and is vertically installed with the jet aerator.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that a support is arranged on the bottom wall inside the aeration tank, the support supports and fixes the bottom of the jet aerator, and the distributor is installed on the support.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that an inlet of the sewage circulating pump is further connected with a second liquid inlet pipe, and an inlet of the second liquid inlet pipe penetrates into the bottom of the aeration tank.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that the distributor is a circular truncated cone cavity with a wide bottom and a narrow top, liquid distribution holes are distributed in the bottom of the distributor, an opening is formed in the upper end of the distributor, and the opening in the upper end of the distributor is matched and butted with an inlet in the lower end of a guide cylinder.
The skid-mounted device for the multi-working-condition adjustable biochemical sewage treatment is characterized in that a sewage inlet pipe is arranged on an aeration tank, one end of the sewage inlet pipe is arranged outside the upper side wall of the aeration tank, and the other end of the sewage inlet pipe penetrates through the side wall of the aeration tank and is guided into the bottom of the aeration tank.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that 2-6 jet aerators are uniformly arranged at the bottom of the sewage redistributor at intervals along the circumference, and the jetting ports of all the jet aerators are led into a distributor.
The multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized in that the jet aerator comprises an injection pipe, a mixing pipe and a diffusion pipe which are arranged from top to bottom, the side part of the injection pipe of the jet aerator is connected with the air inlet pipeline, and a diffusion pipe jet orifice of the jet aerator is led into the distributor.
Compared with the prior art, the beneficial effects obtained by the application are that:
the device of the application is provided with a plurality of jet aerators at the bottom of a sewage redistributor, each jet aerator is composed of an injection pipe, a mixing pipe and a diffusion pipe, a distributor and a guide flow cylinder connected to the upper part of the distributor are arranged in the bottom of an aeration tank, the outlet of the diffusion pipe of each jet aerator is led into the distributor, sewage is circulated by a sewage circulating pump to enter the sewage redistributor, the sewage in the sewage redistributor is uniformly distributed to enter the injection pipe of each jet aerator, the speed of the sewage is accelerated after passing through the injection pipe, a vacuum area is formed in the mixing pipe, air enters the mixing pipe in a self-suction mode or a fan pressurization mode, the sewage and the air are vigorously mixed in the mixing pipe, high-efficiency dissolved oxygen is dissolved, the sewage and the air are mixed and then sprayed to the distributor through the diffusion pipe, redistribution is realized through the spraying of the distributor and the guide flow cylinder, the sewage tank has strong stirring function, and high-efficiency dissolved oxygen is ensured, but also ensures the dissolved oxygen sewage of the whole sewage pool.
Drawings
FIG. 1 is a schematic structural diagram of a multi-condition adjustable biochemical sewage treatment skid-mounted device according to the present application;
FIG. 2 is a top view of the sewage redistributor of the present application;
in the figure: 1-bracket, 2-distributor, 3-aeration tank, 4-jet aerator, 5-air inlet pipeline, 6-sewage redistributor, 7-sewage pipeline, 8-sewage circulating pump, 9-sewage overflow pipe, 10-sedimentation tank, 11-guide shell.
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the utility model.
Example (b): compare FIG. 1
The utility model provides an adjustable biochemical sewage treatment sled dress device of multiplex condition, includes aeration tank 3, sedimentation tank 10 and sewage circulating pump 8, is provided with sewage import pipe on the aeration tank 3, and sewage import pipe's one end sets up outside the upper portion lateral wall of aeration tank 3, and the other end pierces through 3 lateral walls of aeration tank and leading-in to 3 bottoms of aeration tank in to let in pending sewage in to 3 bottoms of aeration tank through sewage import pipe. Fixed support 1 that is provided with on the inside diapire of aeration tank 3, install distributor 2 and connect in the draft tube 11 on 2 upper portions of distributor (the upper end of draft tube 11 is the flaring) in the bottom of aeration tank 3, distributor 2 fixed mounting is on support 1. The distributor 2 is a round table cavity with a wide bottom and a narrow top, liquid distribution holes are distributed in the bottom of the cavity, an opening is formed in the upper end of the distributor 2, and the opening in the upper end of the distributor 2 is in matched butt joint with an inlet in the lower end of the guide cylinder 11. When the sewage and the air are mixed and then sprayed into the distributor 2, the sewage-air mixed liquid is discharged in two paths, one path is sprayed downwards through the liquid distribution holes at the bottom of the distributor 2, and the other path is sprayed upwards along the guide cylinder 11.
Referring to fig. 1, a sewage redistributor 6 is provided in the upper part of the aeration tank 3. The bottom of the sewage redistributor 6 is connected with a plurality of jet aerators 4, furthermore, the bottom of the sewage redistributor 6 is uniformly provided with 2-6 jet aerators 4 at intervals along the circumference, and the jetting ports of all the jet aerators 4 are all led into the distributor 2. In comparison with FIG. 2, 4 sets of jet aerators 4 are arranged at the bottom of the sewage redistributor 6.
The jet aerator 4 comprises an injection pipe, a mixing pipe and a diffusion pipe which are arranged from top to bottom, the side part of the injection pipe of the jet aerator 4 is connected with an air inlet pipeline 5, and a spray outlet of the diffusion pipe of the jet aerator 4 is led into the distributor 2. Wherein, the air inlet pipeline 5 is a horizontal air inlet structure, one end of the air inlet pipeline is arranged outside the side wall of the aeration tank 3, and the other end of the air inlet pipeline penetrates through the side wall of the aeration tank 3 and is vertically arranged with the jet aerator 4.
Further, the air inlet end of the air inlet pipeline 5 can be connected with a fan, so that air can be pressurized by the fan into the mixing pipe of the jet aerator 4.
In the comparison of fig. 1, the top of the wall of the aeration tank 3 is connected with a sewage overflow pipe 9, the outlet end of the sewage overflow pipe 9 penetrates into the bottom of the sedimentation tank 10, the inlet of a sewage circulating pump 8 is connected with a first liquid inlet pipe, the inlet of the first liquid inlet pipe penetrates into the bottom of the sedimentation tank 10, the outlet of the sewage circulating pump 8 is connected with a sewage pipeline 7, and the other end of the sewage pipeline 7 penetrates into the aeration tank 3 and is connected with a sewage redistributor 6. The axis of the jet aerator 4 is vertical to the bottom of the aeration tank 3, the axis of the jet aerator 4 is parallel to the sewage pipeline 7, and the axis of the jet aerator 4 is vertical to the sewage redistributor 6.
Further, an overflow pipe is connected to the top of the sedimentation basin 10, so that the water settled in the sedimentation basin 10 overflows outwards.
Further, the inlet of the sewage circulating pump 8 is also connected with a second liquid inlet pipe, and the inlet of the second liquid inlet pipe penetrates into the bottom of the aeration tank 3. Thus, the sludge deposited in the bottom of the aeration tank 3 can be pumped out by the sewage circulating pump 8 and recirculated back to the aeration tank 3.
Sewage beats the circulation through sewage circulating pump 8 and gets into four jet aerator of sewage redistributor 6 through sewage pipe 7, sewage speed is accelerated behind the injection pipe, form the vacuum zone in the hybrid tube, the air is in order to get into the hybrid tube through the fan pressurization mode from inhaling in the mode or through the fan pressurization mode, sewage and air mix acutely in the hybrid tube, the high-efficient oxygen that dissolves, sewage and air mix back spout to distributor 2 through the diffuser tube, spout through distributor 2 and draft tube 11, there is very strong stirring function to the effluent water sump, both guaranteed the efficient oxygen that dissolves, guarantee the evenly distributed of whole effluent water sump oxygen-dissolving sewage again, effectively promote aerobic type sewage treatment system's treatment efficiency.
The biochemical sewage enters the aeration tank 3 for biochemical treatment, and the treated sludge water overflows from the top of the aeration tank 3 to the sedimentation tank 10 through an overflow port and a sewage overflow pipe 9. The activated sludge settled at the bottom of the sedimentation tank 10 is pumped out to a sludge water redistributor 6 by a sludge circulating pump 8, and then returns to the aeration tank 3 after being regenerated by four jet aerators 4, and the residual activated sludge is periodically discharged to a sludge dewatering section from a pressure outlet pipe of the sludge circulating pump 8 for treatment (the outlet of the sludge circulating pump 8 can be connected with the pressure outlet pipe). The biochemical sewage treated by the novel multi-working-condition adjustable biochemical sewage treatment skid-mounted device is subjected to discharge treatment after a series of monitoring reaches the national pollutant discharge standard.
In the device structure of this application, all be provided with control flap on the corresponding pipeline.
The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.
Claims (9)
1. A multi-working-condition adjustable biochemical sewage treatment skid-mounted device is characterized by comprising an aeration tank (3), a sedimentation tank (10) and a sewage circulating pump (8), wherein a sewage redistributor (6) is arranged in the upper part of the aeration tank (3), a distributor (2) and a guide cylinder (11) connected to the upper part of the distributor (2) are arranged in the bottom of the aeration tank (3), and the upper end of the guide cylinder (11) is provided with a flaring; wherein the bottom of the sewage redistributor (6) is connected with a plurality of jet aerators (4), the jetting ports of the jet aerators (4) are led into the distributor (2), and the side parts of the jet aerators (4) are connected with an air inlet pipeline (5); the top of the wall of the aeration tank (3) is connected with a sewage overflow pipe (9), the outlet end of the sewage overflow pipe (9) penetrates into the bottom of the sedimentation tank (10), the inlet of a sewage circulating pump (8) is connected with a first liquid inlet pipe, the inlet of the first liquid inlet pipe penetrates into the bottom of the sedimentation tank (10), the outlet of the sewage circulating pump (8) is connected with a sewage pipeline (7), and the other end of the sewage pipeline (7) penetrates into the aeration tank (3) and is connected with a sewage redistributor (6); wherein, the top of the sedimentation tank (10) is connected with an overflow pipe.
2. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions as claimed in claim 1, wherein the axis of the jet aerator (4) is perpendicular to the bottom of the aeration tank (3), the axis of the jet aerator (4) is parallel to the sewage pipeline (7), and the axis of the jet aerator (4) is perpendicular to the sewage redistributor (6).
3. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions as claimed in claim 1, wherein the air inlet pipeline (5) is of a horizontal air inlet structure, one end of the air inlet pipeline is arranged outside the side wall of the aeration tank (3), and the other end of the air inlet pipeline penetrates through the side wall of the aeration tank (3) and is vertically installed with the jet aerator (4).
4. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions according to claim 1, wherein a support (1) is arranged on the bottom wall inside the aeration tank (3), the support (1) supports and fixes the bottom of the jet aerator (4), and the distributor (2) is installed on the support (1).
5. The multi-operating-condition adjustable biochemical sewage treatment skid-mounted device as claimed in claim 1, wherein the inlet of the sewage circulating pump (8) is further connected with a second liquid inlet pipe, and the inlet of the second liquid inlet pipe penetrates into the bottom of the aeration tank (3).
6. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions as claimed in claim 1, wherein the distributor (2) is a circular truncated cone cavity with a wide bottom and a narrow top, liquid distribution holes are distributed on the bottom of the circular truncated cone cavity, an opening is arranged at the upper end of the distributor (2), and the opening at the upper end of the distributor (2) is in fit butt joint with an inlet at the lower end of the guide cylinder (11).
7. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions as claimed in claim 1, wherein the aeration tank (3) is provided with a sewage inlet pipe, one end of the sewage inlet pipe is arranged outside the upper side wall of the aeration tank (3), and the other end penetrates through the side wall of the aeration tank (3) and is guided into the bottom of the aeration tank (3).
8. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions as claimed in claim 1, wherein 2-6 jet aerators (4) are uniformly arranged at intervals along the circumference at the bottom of the sewage redistributor (6), and the jetting ports of all the jet aerators (4) are led into the distributor (2).
9. The biochemical sewage treatment skid-mounted device with the adjustable multiple working conditions according to claim 8, wherein the jet aerator (4) comprises an injection pipe, a mixing pipe and a diffusion pipe which are arranged from top to bottom, the side part of the injection pipe of the jet aerator (4) is connected with the air inlet pipeline (5), and a spraying port of the diffusion pipe of the jet aerator (4) is led into the distributor (2).
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| CN202123429899.3U CN216639069U (en) | 2021-12-31 | 2021-12-31 | Multi-working-condition adjustable biochemical sewage treatment skid-mounted device |
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| CN202123429899.3U CN216639069U (en) | 2021-12-31 | 2021-12-31 | Multi-working-condition adjustable biochemical sewage treatment skid-mounted device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114105333A (en) * | 2021-12-31 | 2022-03-01 | 浙江省天正设计工程有限公司 | Multi-working-condition adjustable biochemical sewage treatment skid-mounted device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114105333A (en) * | 2021-12-31 | 2022-03-01 | 浙江省天正设计工程有限公司 | Multi-working-condition adjustable biochemical sewage treatment skid-mounted device |
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