CN216918754U

CN216918754U - Energy-saving and consumption-reducing sewage treatment equipment

Info

Publication number: CN216918754U
Application number: CN202122995230.4U
Authority: CN
Inventors: 于玉彬; 王旭平
Original assignee: Suzhou Suke Environmental Protection Science & Technology Co ltd
Current assignee: Suzhou Suke Environmental Protection Science & Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-07-08
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses energy-saving and consumption-reducing sewage treatment equipment which comprises a sewage tank, a flow regulating tank and a membrane tank, wherein the sewage tank, the flow regulating tank and the membrane tank are sequentially communicated along a water inlet direction; the upper end of the sewage tank is sealed and connected with a first methane pipe, the first methane pipe is connected to a methane collecting and utilizing device, the upper end of the flow regulating tank is sealed and connected with a second methane pipe, the second methane pipe is connected to the gas lift type circulating stirrer through a first methane branch pipe and is connected to the gas lift pump through a second methane branch pipe, and the second methane pipe is provided with an aeration pump. The energy-saving and consumption-reducing sewage treatment equipment provided by the utility model can save energy consumption and reduce cost.

Description

Energy-saving and consumption-reducing sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to energy-saving and consumption-reducing sewage treatment equipment.

Background

With the development of sewage treatment industry, sewage treatment process and equipment in China are continuously improved, sewage treatment equipment is gradually improved, and the existing sewage treatment device is widely applied to cities and towns and rural areas in China. With the more and more strict requirements of the country on the environmental quality, the upgrading and reconstruction of sewage treatment are trending, the prior domestic decentralized domestic sewage treatment technology is mostly the traditional processes of a biological contact oxidation method, a biological filter, a biological rotating disc and the like or the combination of the processes, and the effluent is difficult to ensure to reach the standard.

In the existing sewage treatment device, a Membrane Bioreactor (MBR) is adopted, and the pollutant degradation capacity of microorganisms and the high-efficiency separation capacity of membrane materials are exerted at the same time, so that the effluent quality is effectively ensured; however, in practical application, the membrane pollution phenomenon is serious due to the problems of membrane brands and materials, so that a series of problems of water yield reduction, effluent quality deterioration, energy consumption increase and the like are caused. In order to slow down the membrane pollution rate, many MBR devices increase the aeration intensity, the aeration process is not only used for providing oxygen for microorganisms, but also plays a role in ensuring the fluidization of carrier particles, but the aeration energy consumption is also greatly increased, and the flexible regulation and control of the dissolved oxygen concentration in an MBR reaction zone cannot be realized.

Disclosure of Invention

The utility model aims to provide energy-saving and consumption-reducing sewage treatment equipment, which can reduce energy consumption.

Based on the problems, the technical scheme provided by the utility model is as follows:

an energy-saving and consumption-reducing sewage treatment device comprises a sewage tank, a flow regulating tank and a membrane tank which are sequentially communicated along a water inlet direction, wherein the sewage tank is connected with a water inlet pipe, the membrane tank is connected with a water outlet pipe, an air-lift type circulating stirrer is arranged in the sewage tank, an air lift pump for lifting sewage to the membrane tank is arranged in the flow regulating tank, a membrane tank is arranged in the membrane tank, the water outlet end of the membrane tank is connected to the water outlet pipe, and a water production pump is arranged on the water outlet pipe;

the device comprises a sewage pool, a flow regulating pool, a gas lift type circulating stirrer, a gas lift pump, a first methane pipe, a second methane pipe and an aeration pump, wherein the upper end of the sewage pool is hermetically arranged and connected with the first methane pipe, the first methane pipe is connected to a methane collection and utilization device, the upper end of the flow regulating pool is hermetically arranged and connected with the second methane pipe, the second methane pipe is connected to the gas lift type circulating stirrer through a first methane branch pipe and is connected to the gas lift pump through a second methane branch pipe, and the second methane pipe is provided with the aeration pump.

In some of these embodiments, the biogas collection and utilization device comprises a biogas storage device connected to the first biogas pipe, and a biogas generator device connected to the biogas storage device.

In some of these embodiments, a solar power generation device is also provided.

In some embodiments, the membrane tank is suspended in the membrane tank and is in sliding fit with the upper end of the membrane tank, and a driving mechanism which is in transmission connection with the membrane tank to drive the membrane tank to move back and forth is arranged on the membrane tank.

In some embodiments, the driving mechanism comprises a speed reduction motor and a crank connecting rod assembly, and the upper end of the membrane box is in transmission connection with the speed reduction motor through the crank connecting rod assembly.

In some embodiments, the lagoon, the flow regulation tank, and the membrane tank are integrated.

In some of the embodiments, the lower parts of the sewage tank and the flow regulating tank are separated by a first partition, the lower parts of the flow regulating tank and the membrane tank are separated by a second partition, and the top of the sewage tank is further provided with a third partition extending downwards, wherein the third partition and the first partition are arranged in parallel.

Compared with the prior art, the utility model has the advantages that:

1. the biogas is used for generating power, and a gas source is provided for the gas stripping type circulating stirrer and the gas stripping pump, so that the effects of saving energy and reducing consumption can be achieved, and the energy is saved;

2. the solar power generation device is arranged, so that power can be provided for equipment such as a water production pump and an aeration pump at regular intervals, and further energy conservation and consumption reduction are realized;

3. the device is integrated, can be arranged on the ground or low, is suitable for treatment and use of dispersed urban and rural domestic sewage, and has small floor area and good treatment effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of an energy-saving and consumption-reducing sewage treatment apparatus according to the present invention;

wherein:

1. a sewage tank; 2. a flow regulating tank; 3. a membrane tank; 4. a water inlet pipe; 5. a water outlet pipe; 6. a water production pump; 7. a gas stripping type circulating stirrer; 8. a gas stripping pump; 9. a first biogas pipe; 10. a biogas storage device; 11. a biogas generator device; 12. a second biogas pipe; 13. a first biogas branch pipe; 14. a second biogas branch pipe; 15. a membrane box; 16. a reduction motor; 17. a crank link assembly; 18. a first separator; 19. a second separator; 20. a third separator; 21. an aeration pump.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

Referring to fig. 1, which is a schematic structural diagram of an embodiment of the present invention, an energy saving and consumption reduction sewage treatment apparatus is provided, including a sewage tank 1, a flow regulating tank 2, and a membrane tank 3, which are sequentially communicated along a water inlet direction, the sewage tank 1 is connected with a water inlet pipe 4, the membrane tank 3 is connected with a water outlet pipe 5, an air-lift type circulation stirrer 7 is disposed in the sewage tank 1, an air lift pump 8 for lifting sewage to the membrane tank 3 is disposed in the flow regulating tank 2, a membrane tank 15 is disposed in the membrane tank 3, a water outlet end of the membrane tank 15 is connected to the water outlet pipe 5, and a water production pump 6 is disposed on the water outlet pipe 5.

In this embodiment, the upper end of the sewage tank 1 is sealed and connected with a first biogas pipe 9, and the first biogas pipe 9 is connected with a biogas collecting and utilizing device for collecting biogas and then generating electricity. The upper end of the flow regulating tank 2 is sealed and connected with a second biogas pipe 12, the second biogas pipe 12 is connected to the gas stripping type circulating stirrer 7 through a first biogas branch pipe 13 and is connected to the gas stripping pump 8 through a second biogas branch pipe 13, an aeration pump 21 is arranged on the second biogas pipe 12, biogas is used for providing power for the gas stripping type circulating stirrer 7 and the gas stripping pump 8 through the aeration pump 21, sewage treatment products are fully utilized, and energy is saved. The air-lift type circulating stirrer 7 and the air-lift pump 8 are both in the prior art, and the utility model is not described in detail.

The biogas collection and utilization device comprises a biogas storage device 10 connected to the first biogas pipe 9 and a biogas generator device 11 connected to the biogas storage device 10, the biogas storage device 10 can adopt an air bag, the biogas generator device 11 is the prior art, the utility model is not described in detail, biogas is collected by the air bag and then is conveyed to the biogas generator device 11 for power generation, and the biogas generator device 11 supplies power to equipment such as the aeration pump 21, the water production pump 6 and the like through the electric control cabinet.

In this example, a solar power generation device is also arranged, and the electric control cabinet is used for supplying power to the aeration pump 21, the water production pump 6 and other equipment.

In the embodiment, an immersed ultrafiltration membrane component is arranged in the membrane box 15, the membrane component is made of modified hydrophilic polytetrafluoroethylene, the membrane filaments are high in anti-pollution performance, the effluent quality is effectively guaranteed, and the service life is long. The membrane box 15 is suspended in the membrane pool 3 and is in sliding fit with the upper end of the membrane pool 3, a driving mechanism which is in transmission connection with the membrane box 15 and drives the membrane box 15 to move in a reciprocating mode is arranged on the membrane pool 3, the membrane box 15 moves in a reciprocating mode, pollution on the surface of a membrane is delayed along with the shearing force of water flow, and filtration is conducted stably. The upper part of the membrane box 15 is provided with a travelling mechanism, the upper end of the membrane pool 3 is provided with a track matched with the travelling mechanism, and the travelling mechanism is matched with the track to realize the sliding fit of the membrane box 15 and the membrane pool 3. The driving mechanism comprises a speed reducing motor 16 and a crank connecting rod assembly 17, the upper end of the membrane box 15 is in transmission connection with the speed reducing motor 16 through the crank connecting rod assembly 17, the crank connecting rod assembly 17 is in the prior art, the utility model is not repeated, and the speed reducing motor 16 drives the membrane box 15 to reciprocate in the membrane pool 3.

In the embodiment, the sewage tank 1, the flow regulating tank 2 and the membrane tank 3 are integrally arranged, so that the device has small floor area, can be arranged on the ground or at low level, is particularly suitable for treating decentralized domestic sewage in cities and towns and rural areas, and has good treatment effect.

Wherein, the lower parts of the sewage tank 1 and the flow regulating tank 2 are separated by a first partition plate 18, the lower parts of the flow regulating tank 2 and the membrane tank 3 are separated by a second partition plate 19, the top of the sewage tank 1 is provided with a third partition plate 20 extending downwards, and the third partition plate 20 and the first partition plate 18 are arranged in parallel. The biogas pressure in the sewage pool 1 is higher than that of the flow regulating pool 2 and the membrane pool 3, the liquid level of the sewage pool 1 is lower than that of the flow regulating pool 2 and the membrane pool 3, and the sewage in the flow regulating pool 2 is lifted to the membrane pool 3 through the air stripping pump 8 to reduce the liquid level of the sewage, so that the sewage load impact in the peak period can be conveniently absorbed.

The above examples are only for illustrating the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an energy saving and consumption reduction sewage treatment device which characterized in that: the sewage treatment device comprises a sewage tank, a flow regulating tank and a membrane tank which are sequentially communicated along a water inlet direction, wherein the sewage tank is connected with a water inlet pipe, the membrane tank is connected with a water outlet pipe, an air-lift type circulating stirrer is arranged in the sewage tank, an air lift pump for lifting sewage to the membrane tank is arranged in the flow regulating tank, a membrane tank is arranged in the membrane tank, the water outlet end of the membrane tank is connected to the water outlet pipe, and a water production pump is arranged on the water outlet pipe;

2. The energy saving and consumption reduction sewage treatment apparatus according to claim 1, wherein: the biogas collection and utilization device comprises a biogas storage device connected to the first biogas pipe and a biogas generator device connected to the biogas storage device.

3. The energy saving and consumption reduction sewage treatment apparatus according to claim 2, wherein: and a solar power generation device is also arranged.

4. The energy saving and consumption reduction sewage treatment apparatus according to claim 1, wherein: the membrane tank suspension is in the membrane tank and with membrane tank upper end sliding fit, be equipped with on the membrane tank with the membrane tank transmission is connected in order to drive membrane tank reciprocating motion's actuating mechanism.

5. The energy saving and consumption reduction sewage treatment apparatus according to claim 4, wherein: the driving mechanism comprises a speed reducing motor and a crank connecting rod assembly, and the film box is in transmission connection with the speed reducing motor through the crank connecting rod assembly.

6. The energy saving and consumption reduction sewage treatment apparatus according to claim 1, wherein: the sewage tank, the flow regulating tank and the membrane tank are integrally arranged.

7. The energy saving and consumption reduction sewage treatment apparatus according to claim 6, wherein: the sewage tank is separated from the lower part of the flow regulating tank through a first partition plate, the flow regulating tank is separated from the lower part of the membrane tank through a second partition plate, a third partition plate extending downwards is further arranged at the top of the sewage tank, and the third partition plate and the first partition plate are arranged in parallel.