CN113321298A - System for rural domestic sewage is handled to two inner loop - Google Patents
System for rural domestic sewage is handled to two inner loop Download PDFInfo
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- CN113321298A CN113321298A CN202110629162.1A CN202110629162A CN113321298A CN 113321298 A CN113321298 A CN 113321298A CN 202110629162 A CN202110629162 A CN 202110629162A CN 113321298 A CN113321298 A CN 113321298A
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- reaction tank
- water
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- domestic sewage
- rural domestic
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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
- C02F3/28—Anaerobic digestion 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2846—Anaerobic digestion processes using upflow anaerobic sludge blanket [UASB] reactors
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sewage (AREA)
Abstract
The system comprises a first reaction tank, a second reaction tank, a sedimentation tank, a water outlet collecting tank, a circulating water pump and a water distributor, wherein the circulating water pump respectively supplies liquid in the water outlet collecting tank, the first reaction tank and the second reaction tank to the water distributor, the water distributor is arranged in the first reaction tank, and the water outlet collecting tank is communicated with the sedimentation tank; the water distributor comprises a main body, wherein a first water inlet joint and a second water inlet joint are arranged on the main body, the first water inlet joint is connected with a water inlet pipe of the first reaction tank, the second water inlet joint is connected with the circulating water pump, and liquid output by the circulating water pump enters the second water inlet joint. The water distributor is not easy to block, the system has higher stability in the working process, and is beneficial to sewage treatment, and the system has the characteristics of energy conservation and environmental protection.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to system for rural domestic sewage is handled to two inner loop.
Background
With the rapid development of industrial production, the environmental protection policy of China is more and more strict, and the wastewater treatment technology is more and more attracting the attention of people. Compared with other treatment technologies, the anaerobic biological treatment technology has the advantages of low investment, small occupied area, low operation cost and the like, and is an important technology for harmless treatment of wastewater.
The IC reactor is a new generation of high-efficiency anaerobic reactor, namely an internal circulation anaerobic reactor, and is formed by connecting two layers of UASB reactors in series. It consists of an upper reaction chamber and a lower reaction chamber. The wastewater flows from bottom to top in the reactor, the pollutants are adsorbed and degraded by bacteria, and the purified water flows out from the upper part of the reactor.
However, conventional IC reactors have some disadvantages: the internal circulation flow rate is difficult to control, and the operability is poor: the internal circulation flow rate is mainly related to the yield of the biogas, most of wastewater quality and water quantity have certain fluctuation, the biogas generation amount is also a variable, and the internal circulation amount is difficult to control.
The conventional reactor generally further includes a water distributor for uniformly distributing the sewage to a target location, but the conventional water distributor has a simple structure and is easily blocked by the sewage.
Disclosure of Invention
The invention provides a system for treating rural domestic sewage by double internal circulation, and aims to solve the problem that a water distributor in a sewage treatment system in the prior art is easy to block.
In order to solve the technical problem, the technical scheme adopted by the disclosure is as follows:
a system for treating rural domestic sewage through double internal circulation comprises a first reaction tank, a second reaction tank and a sedimentation tank, wherein a gas collection chamber is arranged between the first reaction tank and the second reaction tank, a three-phase separator is arranged between the second reaction tank and the sedimentation tank, the system further comprises a gas-liquid separator, gas in the gas collection chamber and the three-phase separator is connected with the gas-liquid separator through a gas collection pipe, the gas-liquid separator is provided with a return pipe, and liquid in the gas-liquid separator flows back to the first reaction tank through the return pipe;
the system also comprises a water outlet collecting tank, a circulating water pump and a water distributor, wherein the circulating water pump respectively feeds the liquid in the water outlet collecting tank, the liquid in the first reaction tank and the liquid in the second reaction tank into the water distributor which is arranged in the first reaction tank, and the water outlet collecting tank is communicated with the sedimentation tank;
the water distributor comprises a main body, wherein a first water inlet joint and a second water inlet joint are arranged on the main body, the first water inlet joint is connected with a water inlet pipe of the first reaction tank, the second water inlet joint is connected with the circulating water pump, and liquid output by the circulating water pump enters the second water inlet joint.
The further improved scheme is as follows: the main part includes the inner chamber, be provided with in the main part with the communicating water distribution hole of inner chamber, the main part still includes collection bits chamber, collection bits chamber with the inner chamber communicates with each other, impurity in the inner chamber gets into under the action of gravity collection bits chamber. The chip collecting groove can enable heavier impurities in the sewage to be deposited in the chip groove of the tank, and the water distributor is not easy to be blocked.
The further improved scheme is as follows: the water distributor still includes clear stifled ware, clear stifled ware including rotate set up in pivot and drive in the inner chamber the rotatory driver of pivot, be provided with the blade in the pivot, the blade is followed the axis direction of pivot sets up, and, the blade is followed the diameter direction protrusion of pivot the pivot. The blockage removing device has the function of dredging the water distribution holes, and the water distributor is not easy to be blocked.
The further improved scheme is as follows: one end of the blade, which is far away from the rotating shaft, is provided with bristles with elastic deformation capacity, and one part of the bristles extends into the water distribution hole. The brush hair can stretch into the water distribution hole to clean the water distribution hole, and the water distribution hole is not easy to be blocked.
The further improved scheme is as follows: the brush hair comprises a base body and a brush body, the brush hair is arranged on the brush body, the base body is fixed on the blade through a screw, and the brush body is fixed on the base body through a screw. The brush hair can be conveniently replaced, which is beneficial to the maintenance of the water distributor.
The further improved scheme is as follows: the water outlet collecting tank is connected with the circulating water pump through a first return pipe, and a first electromagnetic valve is arranged on the first return pipe.
The further improved scheme is as follows: the reaction tank is connected with the circulating water pump through a second return pipe, and a second electromagnetic valve is arranged on the second return pipe.
The further improved scheme is as follows: the first reaction tank is connected with the circulating water pump through a third return pipe, and a third electromagnetic valve is arranged on the third return pipe.
The effluent collecting tank, the first reaction tank and the second reaction tank are connected with a circulating water pump through different return pipes, and the circulating water pump can pump the sewage at different positions to circulate according to the quality of the sewage.
The further improved scheme is as follows: the water quality sensor is arranged in the water inlet pipe, the controller is arranged on the circulating water pump, the water quality sensor is communicated with the controller, and the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are controlled by the controller to work. The system does not need manual operation, and the operation performance of the system is optimized.
The further improved scheme is as follows: and the gas-liquid separator is provided with an exhaust pipe.
The beneficial effect of this disclosure does:
a system for treating rural domestic sewage through double internal circulation comprises a first reaction tank, a second reaction tank and a sedimentation tank, wherein a gas collection chamber is arranged between the first reaction tank and the second reaction tank, a three-phase separator is arranged between the second reaction tank and the sedimentation tank, the system further comprises a gas-liquid separator, gas in the gas collection chamber and the three-phase separator is connected with the gas-liquid separator through a gas collection pipe, the gas-liquid separator is provided with a return pipe, and liquid in the gas-liquid separator flows back to the first reaction tank through the return pipe;
the system also comprises a water outlet collecting tank, a circulating water pump and a water distributor, wherein the circulating water pump respectively feeds the liquid in the water outlet collecting tank, the liquid in the first reaction tank and the liquid in the second reaction tank into the water distributor which is arranged in the first reaction tank, and the water outlet collecting tank is communicated with the sedimentation tank;
the water distributor comprises a main body, wherein a first water inlet joint and a second water inlet joint are arranged on the main body, the first water inlet joint is connected with a water inlet pipe of the first reaction tank, the second water inlet joint is connected with the circulating water pump, and liquid output by the circulating water pump enters the second water inlet joint.
The circulating water pump respectively supplies the liquid in the water outlet water collecting tank, the reaction tank I and the reaction tank II to the water distributor, and the volume of the circulating water can be controlled by controlling the flow of the circulating water pump. The liquid refluxed by the circulating water pump is fed into the water distributor, and the quality of the liquid refluxed by the circulating water pump is relatively good, so that the sewage in the water distributor can be diluted, the water distributor is not easy to block, and the stability of the system in the working process is improved.
The water distributor is not easy to block, the system has higher stability in the working process, and is beneficial to sewage treatment, and the system has the characteristics of energy conservation and environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present disclosure and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings may be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a system for treating rural domestic sewage by double internal circulation in the disclosure.
Figure 2 is an exploded view of the water distributor.
Figure 3 is a schematic view of a water distributor.
Fig. 4 is a schematic view showing the manner of mounting the bristles.
The reference numbers in the figures illustrate:
1-a first reaction tank; 11-a water inlet pipe; 12-a third return conduit; 13-a third solenoid valve; 2-reaction tank II; 21-a second return pipe; 23-a second solenoid valve; 3-a sedimentation tank; 4, collecting gas; 5-a three-phase separator; 6-gas-liquid separator; 61-a return pipe; 7-a gas collecting pipe; 8-water outlet water collecting tank; 81-a first return pipe; 82-a first solenoid valve; 9-a circulating water pump; 91-a controller; 10-a water distributor; 101-a body; 102-a first water inlet connector; 103-a second water inlet connector; 104-lumen; 105-water distribution holes; 106-a chip-collecting chamber; 107-clearing the blockage; 108-a rotating shaft; 1081-leaf; 1082-bristles; 1083-seat body; 1084-a brush body; 109-driver.
Detailed Description
The technical solution in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the disclosure without inventive step, are within the scope of the disclosure.
The first embodiment is as follows:
referring to fig. 1 to 4, a system for treating rural domestic sewage by double internal circulation comprises a first reaction tank 1, a second reaction tank 2 and a sedimentation tank 3, wherein a gas collection chamber 4 is arranged between the first reaction tank 1 and the second reaction tank 2, a three-phase separator 5 is arranged between the second reaction tank 2 and the sedimentation tank 3, the system further comprises a gas-liquid separator 6, gas in the gas collection chamber 4 and gas in the three-phase separator 5 are connected with the gas-liquid separator 6 through a gas collection pipe 7, the gas-liquid separator 6 is provided with a return pipe 61, and the return pipe 61 enables liquid in the gas-liquid separator 6 to return to the first reaction tank 1;
the system also comprises a water outlet collecting tank 8, a circulating water pump 9 and a water distributor 10, wherein the circulating water pump 9 respectively supplies the liquid in the water outlet collecting tank 8, the first reaction tank 1 and the second reaction tank 2 to the water distributor 10, the water distributor 10 is arranged in the first reaction tank 1, and the water outlet collecting tank 8 is communicated with the sedimentation tank 3;
the water distributor 10 comprises a main body 101, a first water inlet connector 102 and a second water inlet connector 103 are arranged on the main body 101, the first water inlet connector 102 is connected with a water inlet pipe 11 of the first reaction tank 1, the second water inlet connector 103 is connected with the circulating water pump 9, and liquid output by the circulating water pump 9 enters the second water inlet connector 103.
The reaction media in the first reaction tank 1 and the second reaction tank 2 are determined according to the water quality of the sewage, and the determination is not limited in the text.
The sewage flows through the first reaction tank 1, the second reaction tank 2 and the sedimentation tank 3 in sequence, enters the effluent water collecting tank 8 and is discharged from the effluent water collecting tank 8.
The gas in the gas collection chamber 4 and the gas in the three-phase separator 5 both enter the gas-liquid separator 6, and the liquid in the gas-liquid separator 6 flows back to the reaction tank I1 by utilizing the self gravity.
And a part of liquid in the effluent water collecting tank 8, the reaction tank I1 and the reaction tank II 2 respectively flows back to the water distributor 10 through the circulating water pump 9. The circulating water pump 9 may be a variable displacement pump.
The main body 101 comprises an inner cavity 104, the main body 101 is provided with a water distribution hole 105 communicated with the inner cavity 104, the main body 101 further comprises a chip collecting cavity 106, the chip collecting cavity 106 is communicated with the inner cavity 104, and impurities in the inner cavity 104 enter the chip collecting cavity 106 under the action of gravity.
The water distributor 10 further comprises a blockage removing device 107, the blockage removing device 107 comprises a rotating shaft 108 rotatably arranged in the inner cavity 104 and a driver 109 for driving the rotating shaft 108 to rotate, a blade 1081 is arranged on the rotating shaft 108, the blade 1081 is arranged along the axial direction of the rotating shaft 108, and the blade 1081 protrudes out of the rotating shaft 108 along the diameter direction of the rotating shaft 108.
The driver 109 is a motor fixed on the main body 101 through a screw, one end of the rotating shaft 108 extends out of the main body 101, and a rolling bearing can be arranged between the rotating shaft 108 and the main body 101. One end of the rotating shaft 108 extending out of the main body 101 is connected with an output shaft of the motor through a coupler.
One end of the blade 1081, which is far away from the rotating shaft 108, is provided with bristles 1082 having elastic deformation capability, and a part of the bristles 1082 extends into the water distribution holes 105.
The brush 1082 comprises a base 1083 and a brush 1084, the brush 1082 is disposed on the brush 1084, the base 1083 is fixed on the blade 1081 by screws, and the brush 1084 is fixed on the base 1083 by screws.
Example two:
the difference between this embodiment and the first embodiment is: the effluent water collecting tank 8 is connected with the circulating water pump 9 through a first return pipe 81, and a first electromagnetic valve 82 is arranged on the first return pipe 81.
The second reaction tank 2 is connected with the circulating water pump 9 through a second return pipe 21, and a second electromagnetic valve 23 is arranged on the second return pipe 21.
The first reaction tank 1 is connected with the circulating water pump 9 through a third return pipe 12, and a third electromagnetic valve 13 is arranged on the third return pipe 12.
A water quality sensor is arranged in the water inlet pipe 11, a controller 91 is arranged on the circulating water pump 9, the water quality sensor is communicated with the controller 91, and the first electromagnetic valve 82, the second electromagnetic valve 23 and the third electromagnetic valve 13 are controlled by the controller 91 to work.
When the water quality sensor detects that the water quality in the water inlet pipe 11 is poor, the controller 91 controls the circulating water pump 9 to pump the liquid in the water outlet water collecting tank 8 to flow back to the water distributor 10, so that the function of diluting the sewage is achieved.
The further improved scheme is as follows: and the gas-liquid separator 6 is provided with an exhaust pipe.
The system for treating rural domestic sewage by double internal circulation is further described by combining the application modes as follows:
the sewage flows through the first reaction tank 1, the second reaction tank 2 and the sedimentation tank 3 in sequence, enters the effluent water collecting tank 8 and is discharged from the effluent water collecting tank 8. The gas in the gas collection chamber 4 and the gas in the three-phase separator 5 both enter the gas-liquid separator 6, and the liquid in the gas-liquid separator 6 flows back to the reaction tank I1 by utilizing the self gravity. And a part of liquid in the effluent water collecting tank 8, the first reaction tank 1 and the second reaction tank 2 respectively flows back to the water distributor 10 through the circulating water pump 9 and is used for diluting the sewage in the water distributor 10, and the water distributor 10 is not easy to be blocked.
The present disclosure is not limited to the above optional embodiments, and on the premise of no conflict, the schemes can be combined arbitrarily; any other products in various forms can be obtained in the light of the present disclosure, but any changes in shape or structure thereof fall within the scope of the present disclosure, which is defined by the claims.
Claims (10)
1. A system for treating rural domestic sewage by double internal circulation is characterized in that: the system comprises a first reaction tank, a second reaction tank and a sedimentation tank, wherein an air collection chamber is arranged between the first reaction tank and the second reaction tank, a three-phase separator is arranged between the second reaction tank and the sedimentation tank, the system also comprises a gas-liquid separator, the air collection chamber and gas in the three-phase separator are connected with the gas-liquid separator through an air collection pipe, the gas-liquid separator is provided with a return pipe, and the return pipe enables liquid in the gas-liquid separator to flow back to the first reaction tank;
the system also comprises a water outlet collecting tank, a circulating water pump and a water distributor, wherein the circulating water pump respectively feeds the liquid in the water outlet collecting tank, the liquid in the first reaction tank and the liquid in the second reaction tank into the water distributor which is arranged in the first reaction tank, and the water outlet collecting tank is communicated with the sedimentation tank;
the water distributor comprises a main body, wherein a first water inlet joint and a second water inlet joint are arranged on the main body, the first water inlet joint is connected with a water inlet pipe of the first reaction tank, the second water inlet joint is connected with the circulating water pump, and liquid output by the circulating water pump enters the second water inlet joint.
2. The system for treating rural domestic sewage through double internal circulation according to claim 1, is characterized in that: the main part includes the inner chamber, be provided with in the main part with the communicating water distribution hole of inner chamber, the main part still includes collection bits chamber, collection bits chamber with the inner chamber communicates with each other, impurity in the inner chamber gets into under the action of gravity collection bits chamber.
3. The system for treating rural domestic sewage through double internal circulation according to claim 2, is characterized in that: the water distributor still includes clear stifled ware, clear stifled ware including rotate set up in pivot and drive in the inner chamber the rotatory driver of pivot, be provided with the blade in the pivot, the blade is followed the axis direction of pivot sets up, and, the blade is followed the diameter direction protrusion of pivot the pivot.
4. The system for treating rural domestic sewage through double internal circulation according to claim 3, is characterized in that: one end of the blade, which is far away from the rotating shaft, is provided with bristles with elastic deformation capacity, and one part of the bristles extends into the water distribution hole.
5. The system for treating rural domestic sewage through double internal circulation according to claim 4, is characterized in that: the brush hair comprises a base body and a brush body, the brush hair is arranged on the brush body, the base body is fixed on the blade through a screw, and the brush body is fixed on the base body through a screw.
6. The system for treating rural domestic sewage through double internal circulation according to claim 1, is characterized in that: the water outlet collecting tank is connected with the circulating water pump through a first return pipe, and a first electromagnetic valve is arranged on the first return pipe.
7. The system for treating rural domestic sewage through double internal circulation according to claim 6, is characterized in that: the reaction tank is connected with the circulating water pump through a second return pipe, and a second electromagnetic valve is arranged on the second return pipe.
8. The system for treating rural domestic sewage through double internal circulation according to claim 7, is characterized in that: the first reaction tank is connected with the circulating water pump through a third return pipe, and a third electromagnetic valve is arranged on the third return pipe.
9. The system for treating rural domestic sewage through double internal circulation according to claim 8, is characterized in that: the water quality sensor is arranged in the water inlet pipe, the controller is arranged on the circulating water pump, the water quality sensor is communicated with the controller, and the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are controlled by the controller to work.
10. The system for treating rural domestic sewage through double internal circulation according to claim 1, is characterized in that: and the gas-liquid separator is provided with an exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629162.1A CN113321298A (en) | 2021-06-04 | 2021-06-04 | System for rural domestic sewage is handled to two inner loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110629162.1A CN113321298A (en) | 2021-06-04 | 2021-06-04 | System for rural domestic sewage is handled to two inner loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113321298A true CN113321298A (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110629162.1A Pending CN113321298A (en) | 2021-06-04 | 2021-06-04 | System for rural domestic sewage is handled to two inner loop |
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| CN (1) | CN113321298A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203530015U (en) * | 2013-10-31 | 2014-04-09 | 北京华清佰利环保工程有限公司 | Double-circulation efficient anaerobic reactor |
| CN105776528A (en) * | 2016-03-31 | 2016-07-20 | 山东中新环境工程有限公司 | Dual-reflux efficient anaerobic reaction device and wastewater treatment method |
| CN205874004U (en) * | 2016-06-15 | 2017-01-11 | 江西弘毅环境工程有限公司 | Novel two inner loop anaerobic reactor |
| CN208684530U (en) * | 2018-08-20 | 2019-04-02 | 济南光博环保科技有限公司 | A kind of UASB anaerobic reactor for avoiding water distributor from blocking |
| CN209797515U (en) * | 2019-03-02 | 2019-12-17 | 四川艾格菲科技有限公司 | Anti-blocking water distribution device for sewage treatment |
-
2021
- 2021-06-04 CN CN202110629162.1A patent/CN113321298A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203530015U (en) * | 2013-10-31 | 2014-04-09 | 北京华清佰利环保工程有限公司 | Double-circulation efficient anaerobic reactor |
| CN105776528A (en) * | 2016-03-31 | 2016-07-20 | 山东中新环境工程有限公司 | Dual-reflux efficient anaerobic reaction device and wastewater treatment method |
| CN205874004U (en) * | 2016-06-15 | 2017-01-11 | 江西弘毅环境工程有限公司 | Novel two inner loop anaerobic reactor |
| CN208684530U (en) * | 2018-08-20 | 2019-04-02 | 济南光博环保科技有限公司 | A kind of UASB anaerobic reactor for avoiding water distributor from blocking |
| CN209797515U (en) * | 2019-03-02 | 2019-12-17 | 四川艾格菲科技有限公司 | Anti-blocking water distribution device for sewage treatment |
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Application publication date: 20210831 |