CN109336248B - Aeration system of biochemical sewage treatment tank - Google Patents
Aeration system of biochemical sewage treatment tank Download PDFInfo
- Publication number
- CN109336248B CN109336248B CN201811516717.6A CN201811516717A CN109336248B CN 109336248 B CN109336248 B CN 109336248B CN 201811516717 A CN201811516717 A CN 201811516717A CN 109336248 B CN109336248 B CN 109336248B
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- aeration
- tank body
- sewage
- pipe
- connecting plate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention provides an aeration system of a biochemical sewage treatment tank, wherein a plurality of first aeration pipes distributed on the surface of a roller can aerate sewage in the tank, a sewage nozzle can introduce air in the roller into a mixing chamber from an air inlet pipe, sewage entering from a diffusion pipe is arranged in the mixing chamber, the sewage is fully contacted with the air, and mixed water vapor is sprayed out from the diffusion pipe, so that the oxygen content in the sewage is improved, and enough oxygen is provided for microorganisms in the tank, so that the sewage aeration treatment efficiency is improved; and the first lifting device and the second lifting device can drive the roller to move up and down along the track, so that the aeration system provided by the invention can aerate the sewage in the whole tank, and the aeration efficiency and the biochemical reaction rate of the sludge are improved, thereby improving the sewage treatment efficiency.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to an aeration system of a biochemical sewage treatment tank.
Background
At present, people often utilize an aeration tank to treat sewage, the aeration tank is a structure for treating sewage by utilizing an activated sludge method, and the aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The tank body is generally built by reinforced concrete, and the plane shape of the tank body is rectangular, square, circular and the like; the aeration is a means for making air and water strongly contact, and aims to dissolve oxygen in the air into the water.
Disclosure of Invention
The invention provides an aeration system of a biochemical sewage treatment tank, which can improve the oxygen content in sewage and provide enough oxygen for microorganisms in the tank, thereby improving the aeration treatment efficiency of the sewage. The technical scheme of the invention is realized as follows: an aeration system for a biochemical sewage treatment tank, comprising: a tank body; a water inlet is formed in one side of the tank body, and a water outlet is formed in the other side of the tank body; a first fixing plate is arranged on one side in the tank body, and a second fixing plate is arranged on the other side in the tank body; a first rail is arranged on the first fixing plate, and a second rail is arranged on the second fixing plate; a first sliding block is arranged on the first track, a second sliding block is arranged on the second track, and a first rotating shaft is arranged between the first sliding block and the second sliding block; a first lifting device is arranged on the inner wall of the tank body above the first fixing plate, a second lifting device is arranged on the inner wall of the tank body above the second fixing plate, the first lifting device is connected with the first sliding block, and the second lifting device is connected with the second sliding block; a rotary drum is arranged on the rotary shaft in the tank body, a plurality of first aeration pipes are distributed on the surface of the rotary drum, and the first aeration pipes are all vertical to the surface of the rotary drum; the roller is provided with an air inlet, and the air inlet is connected with a compressor through an air inlet pipe; the first aerator pipe comprises a sewage nozzle, an air inlet pipe, a mixing chamber and a diffusion pipe, the sewage nozzle is connected with the roller, the air inlet pipe is sleeved outside the sewage nozzle, the air inlet pipe and the sewage nozzle are communicated with the mixing chamber, and the mixing chamber is connected with the diffusion pipe.
Preferably, the inner wall of the tank body in front of and behind the first fixing plate is provided with a first connecting plate and a second connecting plate, and the inner wall of the tank body in front of and behind the second fixing plate is provided with a third connecting plate corresponding to the first connecting plate and a fourth connecting plate corresponding to the second connecting plate;
a second rotating shaft is arranged between the first connecting plate and the third connecting plate, a third rotating shaft is arranged between the second connecting plate and the fourth connecting plate, one end of the second rotating shaft penetrates through the tank body and is connected with a second motor arranged on the outer wall of the tank body, and one end of the third rotating shaft penetrates through the tank body and is connected with a third motor arranged on the outer wall of the tank body;
and filter cylinders are arranged on the second rotating shaft and the third rotating shaft, and a plurality of microorganism carriers are arranged in the filter cylinders.
Preferably, the microorganism carrier comprises a cylindrical net barrel, a plurality of microorganism carrier sheets are arranged in the cylindrical net barrel from top to bottom, and aerobic microorganism films are adsorbed on the microorganism carrier sheets.
Preferably, each of the microbial carrier sheets adsorbs a different one of the aerobic microbial films.
Preferably, a plurality of second aeration pipes are arranged between the first aeration pipes on the drum;
one end of the second aeration pipe is communicated with the roller, and the other end of the second aeration pipe is a closed end; the second aeration pipe is provided with a plurality of aeration holes, and the aeration holes are provided with air nozzles.
Preferably, the length of the first aeration tube is greater than the length of the second aeration tube.
Preferably, the included angle between the air nozzle and the second aeration pipe is gradually reduced from the direction far away from the closed end of the second aeration pipe to the closed end of the second aeration pipe.
Preferably, a push rod is arranged below the tank body, a first baffle is arranged on the push rod, and the front end, the rear end and the bottom of the first baffle are connected with the front surface, the rear surface and the bottom of the tank body;
a drain outlet is arranged below one side of the pool body and is arranged on one side of the pool body far away from the push rod.
Preferably, a second baffle is arranged at the top of the first baffle, and the second baffle is arranged on one side of the first baffle far away from the push rod.
The invention provides an aeration system of a biochemical sewage treatment tank, wherein a plurality of first aeration pipes distributed on the surface of a roller can aerate sewage in the tank, a sewage nozzle can introduce air in the roller into a mixing chamber from an air inlet pipe, sewage entering from a water inlet is arranged in the mixing chamber, the sewage is fully contacted with the air, and mixed water vapor is sprayed out from a diffusion pipe, so that the oxygen content in the sewage is improved, and enough oxygen is provided for microorganisms in the tank, so that the sewage aeration treatment efficiency is improved; and the first lifting device and the second lifting device can drive the roller to move up and down along the track, so that the aeration system provided by the invention can aerate the sewage in the whole tank, and the aeration efficiency and the biochemical reaction rate of the sludge are improved, thereby improving the sewage treatment efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an aeration system of a biochemical sewage treatment tank provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic structural view of the microorganism carrier of FIG. 1.
In the figure:
1. a tank body; 2. a first fixing plate; 3. a second fixing plate; 4. a drum; 5. a filter cartridge; 6. a first lifting device 7 and a second lifting device; 8. a first aeration pipe; 9. a second aeration pipe; 10. a cylindrical mesh cylinder; 11. a microbial carrier sheet; 12. a push rod; 13. a first baffle plate; 14. a second baffle; 15. a sewage nozzle; 16. a mixing chamber; 17. a diffuser tube.
Detailed Description
With reference to fig. 1 to 3, the present invention provides an aeration system for a biochemical sewage treatment tank, comprising:
a tank body;
one side of the pool body is provided with a water inlet, and the other side is provided with a water outlet;
a first fixing plate is arranged on one side in the tank body, and a second fixing plate is arranged on the other side in the tank body; a first rail is arranged on the first fixing plate, and a second rail is arranged on the second fixing plate; a first sliding block is arranged on the first track, a second sliding block is arranged on the second track, and a first rotating shaft is arranged between the first sliding block and the second sliding block;
a first lifting device is arranged on the inner wall of the tank body above the first fixing plate, a second lifting device is arranged on the inner wall of the tank body above the second fixing plate, the first lifting device is connected with the first sliding block, and the second lifting device is connected with the second sliding block;
a rotary shaft in the tank body is provided with a roller, the surface of the roller is distributed with a plurality of first aeration pipes, and the plurality of aeration pipes are all vertical to the surface of the roller; the roller is provided with an air inlet which is connected with the compressor through an air inlet pipe;
first aeration pipe includes sewage nozzle, intake pipe, mixing chamber and diffuser pipe, and the sewage nozzle is connected with the cylinder, and the intake pipe cup joints in the outside of sewage nozzle, and intake pipe and sewage nozzle all communicate with the mixing chamber, and the diffuser pipe is connected to the mixing chamber.
In the technical scheme, a plurality of first aeration pipes distributed on the surface of the roller can aerate sewage in the tank, the sewage nozzle can introduce air in the roller into the mixing chamber from the air inlet pipe, the sewage entering from the water inlet is arranged in the mixing chamber, the sewage is fully contacted with the air, and mixed steam is sprayed out from the diffusion pipe, so that the oxygen content in the sewage is improved, and enough oxygen is provided for microorganisms in the tank, so that the sewage aeration treatment efficiency is improved; and the first lifting device and the second lifting device can drive the roller to move up and down along the track, so that the aeration system provided by the invention can aerate the sewage in the whole tank, and the aeration efficiency and the biochemical reaction rate of the sludge are improved, thereby improving the sewage treatment efficiency.
The drum is used for containing compressed air, and the high-speed compressed air can increase the collision with the sewage and oxygenate the sewage.
In the embodiment, the inner walls of the tank body in front of and behind the first fixing plate are provided with a first connecting plate and a second connecting plate, and the inner walls of the tank body in front of and behind the second fixing plate are provided with a third connecting plate corresponding to the first connecting plate and a fourth connecting plate corresponding to the second connecting plate; a second rotating shaft is arranged between the first connecting plate and the third connecting plate, a third rotating shaft is arranged between the second connecting plate and the fourth connecting plate, one end of the second rotating shaft penetrates through the tank body and is connected with a second motor arranged on the outer wall of the tank body, and one end of the third rotating shaft penetrates through the tank body and is connected with a third motor arranged on the outer wall of the tank body; and filter cylinders are arranged on the second rotating shaft and the third rotating shaft, and a plurality of microorganism carriers are arranged in the filter cylinders. In the aforesaid, second pivot and third pivot can drive and strain a section of thick bamboo pivot, rotate the in-process sewage and can fully contact with the microbial carrier, and the microbial carrier of being convenient for carries out biochemical treatment to sewage, improves sewage treatment efficiency.
In this embodiment, referring to fig. 3, the microorganism carrier includes a cylindrical mesh cylinder, a plurality of microorganism carrier sheets are arranged in the cylindrical mesh cylinder from top to bottom, and aerobic microorganism films are adsorbed on the microorganism carrier sheets. The arrangement of the plurality of microbial carrier sheets can ensure that the microbial carriers are fully contacted with the sewage, so that the microbial carriers can further carry out biological treatment on the sewage.
It should be noted that the aerobic microbial film adsorbed on each microbial carrier sheet is different. The setting of different aerobic microbial film in the aforesaid can make aeration systems adsorb the processing to the multiple microorganism in the sewage, improves aeration systems' ability of handling sewage.
In the embodiment, a plurality of second aeration pipes are arranged between the first aeration pipes on the drum; one end of the second aeration pipe is communicated with the roller, and the other end of the second aeration pipe is a closed end; the second aeration pipe is provided with a plurality of aeration holes, and the aeration holes are provided with air nozzles. In the aforesaid, the setting of second aeration pipe is arranged in increasing oxygen content in the sewage, and the setting of air nozzle can make the compressed air in the cylinder jet into the sewage at a high speed on the second aeration pipe, increases the collision of sewage and air, and more oxygen of being convenient for is merged into in the sewage.
It should be noted that the length of the first aeration pipe is greater than the length of the second aeration pipe, and the lengths of the second aeration pipes are different. In the aforesaid, the setting of the first aeration pipe of different length, second aeration pipe can improve the high-speed air and jet into the sewage coverage, avoids appearing the dead angle, improves the oxygen content in the sewage.
In this embodiment, the included angle between the air nozzle and the second aeration pipe gradually decreases from the closed end of the second aeration pipe to the closed end of the second aeration pipe. In the aforesaid, the setting of different angle air nozzles can make the air in the cylinder inject into sewage from different angles, improves the oxygen content in the sewage.
In the embodiment, a push rod is arranged below the tank body, a first baffle is arranged on the push rod, and the front end, the rear end and the bottom of the first baffle are connected with the front surface, the rear surface and the bottom of the tank body; a sewage draining exit is arranged below one side of the pool body and is arranged on one side of the pool body far away from the push rod. In the aforesaid, the catch bar can promote first baffle motion, can concentrate the mud of cell body bottom to the opposite side from one side among the first baffle motion process, concentrates the mud of cell body bottom, the blowdown of being convenient for.
It should be noted that, in order to avoid the first baffle in the process of collecting sludge, sludge moves upwards, and the pollution discharge efficiency is influenced, the top of first baffle is provided with the second baffle, and the second baffle setting is in the first baffle one side of keeping away from the catch bar.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. An aeration system of a biochemical sewage treatment tank is characterized by comprising: a tank body; a first fixing plate is arranged on one side in the tank body, and a second fixing plate is arranged on the other side in the tank body; a first rail is arranged on the first fixing plate, and a second rail is arranged on the second fixing plate; a first sliding block is arranged on the first track, a second sliding block is arranged on the second track, and a first rotating shaft is arranged between the first sliding block and the second sliding block; a first lifting device is arranged on the inner wall of the tank body above the first fixing plate, a second lifting device is arranged on the inner wall of the tank body above the second fixing plate, the first lifting device is connected with the first sliding block, and the second lifting device is connected with the second sliding block; a rotary drum is arranged on the rotary shaft in the tank body, a plurality of first aeration pipes are distributed on the surface of the rotary drum, and the first aeration pipes are all vertical to the surface of the rotary drum; the roller is provided with an air inlet, and the air inlet is connected with a compressor through an air inlet pipe; the first aerator pipe comprises a sewage nozzle, an air inlet pipe, a mixing chamber and a diffusion pipe, the sewage nozzle is connected with the roller, the air inlet pipe is sleeved outside the sewage nozzle, the air inlet pipe and the sewage nozzle are both communicated with the mixing chamber, and the mixing chamber is connected with the diffusion pipe; a water inlet is formed in the mixing chamber; the inner wall of the tank body in front of and behind the first fixing plate is provided with a first connecting plate and a second connecting plate, and the inner wall of the tank body in front of and behind the second fixing plate is provided with a third connecting plate corresponding to the first connecting plate and a fourth connecting plate corresponding to the second connecting plate; a second rotating shaft is arranged between the first connecting plate and the third connecting plate, a third rotating shaft is arranged between the second connecting plate and the fourth connecting plate, one end of the second rotating shaft penetrates through the tank body and is connected with a second motor arranged on the outer wall of the tank body, and one end of the third rotating shaft penetrates through the tank body and is connected with a third motor arranged on the outer wall of the tank body; filter cylinders are arranged on the second rotating shaft and the third rotating shaft, and a plurality of microorganism carriers are arranged in the filter cylinders; a plurality of second aeration pipes are arranged between the first aeration pipes on the drum; one end of the second aeration pipe is communicated with the roller, and the other end of the second aeration pipe is a closed end; the second aeration pipe is provided with a plurality of aeration holes, the aeration holes are provided with air nozzles, the length of the first aeration pipe is greater than that of the second aeration pipe, and the lengths of the second aeration pipes are different; the microorganism carrier comprises a cylindrical net barrel, a plurality of microorganism carrier sheets are arranged in the cylindrical net barrel from top to bottom, and aerobic microorganism films are adsorbed on the microorganism carrier sheets; each of the aerobic microbial films adsorbed by the microbial carrier sheet is different; the included angle between the air nozzle and the second aeration pipe is gradually reduced from the direction far away from the closed end of the second aeration pipe to the closed end of the second aeration pipe; push rods are arranged on the left side and the right side below the tank body, a first baffle is arranged on each push rod, and the front end, the rear end and the bottom of each first baffle are connected with the front surface, the rear surface and the bottom of the tank body; the bottom of the tank body is provided with a sewage draining outlet which is arranged at the middle part of the tank body; the top of first baffle is provided with the second baffle, the second baffle setting is in keep away from catch bar first baffle one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516717.6A CN109336248B (en) | 2018-12-12 | 2018-12-12 | Aeration system of biochemical sewage treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516717.6A CN109336248B (en) | 2018-12-12 | 2018-12-12 | Aeration system of biochemical sewage treatment tank |
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| Publication Number | Publication Date |
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| CN109336248A CN109336248A (en) | 2019-02-15 |
| CN109336248B true CN109336248B (en) | 2021-08-24 |
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| CN201811516717.6A Active CN109336248B (en) | 2018-12-12 | 2018-12-12 | Aeration system of biochemical sewage treatment tank |
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| US11266068B2 (en) | 2019-12-02 | 2022-03-08 | FYTO, Inc. | System and method for aquatic plant harvesting |
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| EP0061813A1 (en) * | 1981-04-01 | 1982-10-06 | R.B.S. International S.p.A. | Dynamic anaerobic equipment for waste water treatment |
| CN1644530A (en) * | 2004-12-17 | 2005-07-27 | 兰州大学 | Point compensated linear aerating pipes |
| FR3012444B1 (en) * | 2013-10-30 | 2016-01-01 | Degremont | METHOD AND SYSTEM FOR THE BIOLOGICAL TREATMENT OF EFFLUENT, ESPECIALLY WASTEWATER |
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| CN109336248A (en) | 2019-02-15 |
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Effective date of registration: 20210624 Address after: 332200 Wujiao Township, Ruichang City, Jiujiang City, Jiangxi Province Applicant after: Jiujiang Qizhi water Co.,Ltd. Address before: 117004 176 Xianghuai Road, high tech Industrial Development Zone, Benxi City, Liaoning Province Applicant before: Liu Peng |
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