CN211896557U

CN211896557U - Water recycling system for public toilet

Info

Publication number: CN211896557U
Application number: CN202020299456.3U
Authority: CN
Inventors: 撒文龙; 陈虎; 白金宇
Original assignee: Ningxia Beiguo Environemntal Protection Energy Saving Co ltd
Current assignee: Ningxia Beiguo Testing Service Co.,Ltd.
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-11-10
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a public lavatory water recovery processing cyclic utilization system, public lavatory body is connected with the septic tank, the septic tank is connected with thin grid and periodic treatment system, thin grid is connected with the equalizing basin, the equalizing basin is connected with the oxygen deficiency pond, install the preaeration system in the equalizing basin, level controller and one-level elevator pump, the oxygen deficiency pond is connected with MBR reaction tank, install present international advanced MBR membrane bioreactor in the MBR reaction tank, MBR membrane bioreactor mainly comprises membrane module and membrane bioreactor two parts, MBR reaction tank and oxygen deficiency pond are connected once more, MBR reaction tank is connected with the septic tank, MBR reaction tank is connected with the return water pond, install ultraviolet ray disinfection appearance between MBR reaction tank and the return water pond, return water pond and public lavatory body are connected; the utility model discloses continue to use as flushing the lavatory after this system handles and use, recycle like this and practiced thrift the water resource and also avoided the waste.

Description

Water recycling system for public toilet

Technical Field

The utility model relates to a water treatment system, in particular to water recycling system for public toilets.

Background

Water, including natural water, rivers, lakes, atmospheric water, seawater, groundwater, etc., is produced by combining hydrogen and oxygen atoms through chemical reaction with artificial water. Water is one of the most common substances on earth, an important resource for all life including human beings, and also the most important component of organisms. Water plays an important role in life evolution. The public toilet is a renewable resource, water is indispensable in our life, the water is very useful, washing water, drinking water, kitchen water and toilet water cannot be boiled in each household, the water consumption is very large, the water discharged into the ground after use can be reused after treatment, public toilets can be arranged in some public places along with the development of society and the improvement of human civilization quality, some public places are far away, corresponding public toilets can be located in the far places, the water supply of the public toilets cannot be connected with tap water sometimes, or the cost of the water connection with the tap water is very high, so that the water source of the public toilets becomes the largest problem in normal use of the public toilets, and if a system for recycling, treating and reusing water in the public toilets can be invented.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provided a public lavatory water recovery processing cyclic utilization system. The utility model adopts the technical proposal that: a public toilet water recycling system comprises a public toilet body, wherein the public toilet body is connected with a septic tank, the septic tank is connected with a fine grid and a periodic treatment system, the fine grid is connected with an adjusting tank, the adjusting tank is connected with an anoxic tank, a pre-aeration system, a liquid level controller and a primary lift pump are installed in the adjusting tank, the adjusting tank is connected with the pre-aeration system, the pre-aeration system is connected with the liquid level controller, the liquid level controller is connected with the primary lift pump, the anoxic tank is connected with an MBR reaction tank, the MBR reaction tank is internally provided with an existing international advanced MBR, the MBR membrane bioreactor mainly comprises two parts of a membrane component and a membrane bioreactor, the MBR reaction tank is connected with the anoxic tank again, the MBR reaction tank is connected with the septic tank, and the MBR reaction tank is connected with a return water tank, MBR reaction tank with install ultraviolet ray disinfection appearance between the return water pond, the return water pond with this body coupling of public latrine.

Furthermore, a water suction pump is arranged between the adjusting tank and the fine grid.

Further, a water suction pump is installed between the water return pool and the public toilet body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses water after this system handles reaches the standard of normal water completely, and the pump for water in the well pond is taken to the lavatory in, continues to use as the toilet flushing and uses, recycles like this and has practiced thrift the water resource and also avoided the waste.

2. The utility model discloses the waste water that will dash the lavatory continues to be used as towards lavatory usefulness after sewage treatment device handles, and cyclic utilization so not only has solved the demand that the public latrine does not have the running water, and there is not unnecessary waste water to arrange outward, has realized the sewage zero release completely.

3. The utility model discloses promote surplus sludge to periodic treatment system by the sludge pump and carry out periodic treatment to it, dispose the cost of having practiced thrift for the waste residue in the septic tank is regularly cleared up.

Drawings

In order to more clearly explain the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is an overall structure diagram of the present invention.

The corresponding device and equipment names are marked in the attached drawings:

in the figure, 1-a public toilet body, 2-a septic tank, 3-a fine grid, 4-a periodic treatment system, 5-a regulating tank, 6-an anoxic tank, 7-a pre-aeration system, 8-a liquid level controller, 9-a primary lift pump, 10-an MBR reaction tank, 11-an MBR membrane bioreactor, 12-a membrane component, 13-a membrane bioreactor, 14-a water return tank and 15-an ultraviolet disinfection instrument.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

The core of the utility model is to provide a water recycling system for public lavatory, which solves the problem that the remote public lavatory can not be supplied with water and saves water resources.

FIG. 1 is an overall structure diagram of the utility model, as shown in FIG. 1, the utility model relates to a water recycling system for public toilets, a public toilet body 1, the public toilet body 1 is connected with a septic tank 2, the septic tank 2 is connected with a fine grid 3 and a periodic treatment system 4, the fine grid 3 is connected with an adjusting tank 5, the adjusting tank 5 is connected with an anoxic tank 6, a pre-aeration system 7, a liquid level controller 8 and a primary lift pump 9 are installed in the adjusting tank 5, the adjusting tank 5 is connected with the pre-aeration system 7, the pre-aeration system 7 is connected with the liquid level controller 8, the liquid level controller 8 is connected with the primary lift pump 9, the anoxic tank 6 is connected with an MBR reaction tank 10, an existing international advanced MBR membrane bioreactor 11 is installed in the MBR reaction tank 10, the MBR membrane bioreactor 11 mainly comprises a membrane component 12 and a membrane bioreactor 13, the MBR reaction tank 10 is connected with the anoxic tank 6 again, MBR reaction tank 10 is connected with septic tank 2, and MBR reaction tank 10 is connected with return water pond 14, installs ultraviolet ray disinfection appearance 15 between MBR reaction tank 10 and the return water pond 14, and return water pond 14 is connected with public lavatory body 1.

Specifically, a water pump is arranged between the adjusting tank 5 and the fine grating 3.

Specifically, a water suction pump is arranged between the water return pool 14 and the public toilet body 1.

The utility model discloses the theory of operation: the utility model provides a public lavatory water recovery processing cyclic utilization system, public lavatory body 1 is collected the back with sewage by septic tank 2, sewage gets into the thin grid 3 of processing station, other filths in the septic tank 2 get into periodic treatment system 4 and handle, sewage gets into equalizing basin 5 through thin grid 3 after getting rid of large granule impurity and carries out the equal volume of sewage homogeneity, set up among the equalizing basin 5 and carry out getting rid of the gas in the sewage in aeration system 7 in advance, increase the dissolved oxygen in the sewage, promote the buoyancy lift of grease in the sewage, and play coagulation aiding effect to sewage, monitor and transmit signal through the liquid level of level control appearance 8 to sewage again, get into equalizing basin 5 by one-level elevator pump 9 again, adjust sewage pH value in equalizing basin 5. And (3) delivering the sewage from the regulating tank 5 to an anoxic treatment tank, carrying out acidification hydrolysis, nitrification and denitrification to reduce the concentration of organic matters, and removing part of ammonia nitrogen through the reflux of nitrifying liquid. Effluent of the anoxic tank 6 automatically flows into an MBR (membrane bioreactor) 10, an international advanced MBR (membrane bioreactor) 11 is installed in the MBR 10, and the MBR 11 mainly comprises a membrane component 12 and a membrane bioreactor 13. A large amount of microorganisms, namely activated sludge, are in full contact with substrates, namely degradable organic matters in sewage and the like in the bioreactor, and metabolism is carried out through oxidative decomposition so as to maintain self growth and reproduction and simultaneously degrade organic pollutants. The membrane module 12 performs solid-liquid separation on the waste water and sludge mixed liquid through mechanical screening, interception and other actions. Macromolecular substances and the like are concentrated and then return to the membrane bioreactor 13, thereby avoiding the loss of microorganisms. The anaerobic tank 6 is required to be continuously acidified, hydrolyzed and nitrified to react again, the rarely-occurring large particles which are not filtered enter the septic tank 2 again, and the membrane module 12 and the membrane bioreactor 13 are organically combined, so that the effluent quality and the running stability of the system are improved, the hydraulic retention time of the refractory macromolecular substances in the MBR 11 is prolonged, and the removal effect of the system on the refractory substances is enhanced. The water discharged from the MBR (membrane bioreactor) 11 is sucked and sent to the ultraviolet disinfection instrument 15 by the water suction pump, the residual bacteria in the sewage can be killed through disinfection treatment, the water treated by the system completely reaches the standard of the reclaimed water, the reclaimed water returns to the water return tank 14, and the water suction pump pumps the water to the public toilet body 1 during use to continue to be used for flushing the toilet.

The sewage is treated by the sewage treatment equipment and then continuously used for flushing the toilet, so that the sewage is recycled, the requirement that the public toilet has no tap water is met, no redundant waste water is discharged, the problem of zero discharge of the sewage is completely solved, and meanwhile, the cost is greatly saved.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. The utility model provides a public lavatory water recovery processing cyclic utilization system, public lavatory body (1), its characterized in that, public lavatory body (1) is connected with septic tank (2), septic tank (2) are connected with thin grid (3) and periodic treatment system (4), thin grid (3) are connected with equalizing basin (5), equalizing basin (5) are connected with oxygen deficiency pond (6), install preaeration system (7), level control appearance (8) and one-level elevator pump (9) in equalizing basin (5), equalizing basin (5) with preaeration system (7) are connected, preaeration system (7) are connected level control appearance (8), level control appearance (8) are connected one-level elevator pump (9), oxygen deficiency pond (6) are connected with MBR reaction tank (10), install present international membrane bioreactor (11) in MBR reaction tank (10), MBR membrane bioreactor (11) mainly comprises membrane module (12) and membrane bioreactor (13) two parts, MBR reaction tank (10) with oxygen deficiency pond (6) are connected once more, MBR reaction tank (10) with septic tank (2) are connected, MBR reaction tank (10) are connected with return water pond (14), MBR reaction tank (10) with install ultraviolet ray disinfection appearance (15) between return water pond (14), return water pond (14) with public latrine body (1) is connected.

2. A system for recycling water used in public toilets according to claim 1, wherein a suction pump is installed between the adjusting tank (5) and the fine grate (3).

3. A water recycling system for public toilets according to claim 1, characterized in that a water pump is installed between the water return pool (14) and the public toilet body (1).