CN205171604U - Life waste water reuse system - Google Patents

Abstract

The utility model discloses a life waste water reuse system, including installing the storage water tank at each floor, the storage water tank water inlet of all the other floors all passes through the pipe connection at the water processing box with the floor with installing except that the top layer, and the pipe connection is passed through at the lower mouth of a river of water processing box and wash basin, floor drain, the delivery port and the same layer lavatory flushing water pipeline of storage water tank are connected, the delivery port of bottom storage water tank passes through the elevator pump with the top layer storage water tank and is connected. The utility model discloses under the prerequisite of guaranteeing quality of water, wash one's hands and face the water retrieval and utilization with dormitory building and in towards the lavatory, realized waste water reuse, the filtering sterilizing board designs for the zigzag, has increased the filtering sterilizing area, has shortened and has changed and wash the number of times, has reduced artifical processing costs, overflow pipe and evacuation pipe are established to the U -shaped pipe with the soil stack junction, prevent that sewage refluence and foul smell from polluting, water processing box sets up in between the floor, saves spatial position, saves the support expense that sets up to high flush tank.

Description

A domestic waste water reuse system

technical field

The utility model belongs to the technical field of waste water recovery and reuse, and relates to a domestic waste water reuse system.

Background technique

At present, there have been designs of water-saving systems for households and public buildings, most of which are designed for residential buildings. Most of the dormitory buildings in colleges and universities are characterized by public washrooms and toilets. The water and drainage are concentrated and the water volume is large. At the same time, there is a serious waste of water. The water consumption of college dormitory buildings accounts for about 40% of the total water consumption of the school, saving water in dormitory buildings The benefits are considerable. At the same time, the dormitory water is mainly toilet water and toilet flushing water. The toilet water accounts for about 60% of the water used in the dormitory building. Therefore, after treatment and reuse, it can fully meet the toilet flushing water volume. However, there are still some problems in the current technical research. For example, the water treatment equipment is installed separately. When the water consumption is large, the drainage pipes are not smooth; All need to be provided with a small lifting pump, and the construction cost is high.

Utility model content

The purpose of this utility model is to provide a domestic wastewater reuse system, which can solve the waste of water resources caused by the combined discharge of domestic wastewater and toilet flushing sewage in college dormitory buildings, and the problems that water treatment equipment is not easy to clean and occupies a large space.

The technical solution adopted by the lock of the utility model is that a domestic wastewater reuse system includes water storage tanks installed on each floor, and the water inlets of the water storage tanks on other floors except the top floor are connected with the water treatment tanks installed on the same floor through pipelines The water treatment tank is connected to the water outlet of the washbasin and the floor drain through pipelines; the water outlet of the water storage tank is connected to the toilet flushing pipeline on the same floor; the water outlet of the bottom water storage tank is connected to the top water storage tank through a lift pump.

The utility model is also characterized in that,

An emptying pipe is arranged on the water storage tank, and the emptying pipe is connected with the drainage standpipe through a pipe A, and a ball valve and a check valve A are arranged on the emptying pipe.

An overflow pipe is also arranged on the water storage tank, and the overflow pipe is connected with the drainage standpipe through a pipeline A.

Pipeline A is provided with a U-shaped trap.

A float valve and a tap water supply pipe are arranged in the water storage tank, and a check valve B is provided at the front end of the joint between the tap water supply pipe and the water storage tank.

The height of the spout of the tap water supply pipe is higher than that of the spout of the overflow pipe.

The water treatment tank is provided with a filter disinfection plate, which is zigzag shaped, and the filter disinfection plate is inserted into the zigzag slot at the bottom of the water treatment tank.

The filter disinfection plate is composed of multi-layer filter grid plates, and the filter grid plates are filled with fiber layers, activated carbon and biochemical cotton filter cotton.

A handle is provided on the filter disinfection plate.

Filter screens are installed at the drains of the washbasins and floor drains.

The beneficial effects of the utility model are:

(1) Under the premise of ensuring the water quality, the wash water in the dormitory is reused for flushing the toilet, saving about 40% of the water for flushing the toilet in the dormitory, and reducing the amount of sewage;

(2) The filter and disinfection plate is designed in a zigzag shape, which increases the area of filter and disinfection, shortens the number of replacement and cleaning, thereby reducing the cost of manual processing;

(3) The filter and disinfection plate is detachable, which is convenient for the staff to replace the packing and clean up;

(4) The connection between the overflow pipe, the emptying pipe and the drainage standpipe is set as a U-shaped pipe to prevent sewage backflow and odor pollution;

(5) The water treatment tank is set between the floor slabs, which saves space and location, and saves the support cost for setting it as a high-level water tank.

Description of drawings

Fig. 1 is a schematic diagram of the utility model domestic waste water reuse system;

Fig. 2 is the utility model water treatment, recovery system schematic diagram;

Fig. 3 is a structural schematic diagram of the filter disinfection plate of the present invention;

Fig. 4 is a schematic diagram of the slot structure at the bottom of the water treatment tank of the present invention.

In the figure, 1. Water storage tank, 2. Water treatment tank, 3. Washbasin, 4. Floor drain, 5. Toilet flushing pipe, 6. Lift pump, 7. Empty pipe, 8. Drain standpipe, 9. Pipeline A, 10 Ball valve, 11. Check valve A, 12. Overflow pipe, 13. Float valve, 14. Tap water supply pipe, 15. Check valve B, 16. Filter disinfection plate, 17. Card slot, 18. Handle .

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

A schematic diagram of a domestic waste water reuse system of the utility model is shown in Figure 1, which includes a water storage tank 1 installed on each floor of the dormitory building, and the water inlets of the water storage tank 1 on other floors except the top floor are all connected to the water treatment tank installed on the same floor 2 are connected by pipelines, the water treatment tank 2 is connected with the water outlet of the washbasin 3 and the floor drain 4 through pipelines; the water outlet of the water storage tank 1 is connected with the flushing pipeline 5 of the toilet on the same floor; the water outlet of the bottom water storage tank is connected with the top water storage tank through The lift pump 6 is connected. Wherein, the water storage tank 1 is provided with an emptying pipe 7, and the emptying pipe 7 is connected with the drainage standpipe 8 through the pipe A9, and the emptying pipe 7 is provided with a ball valve 10 and a check valve A11. An overflow pipe 12 is also provided on the water storage tank 1, and the overflow pipe 12 is connected with the drainage standpipe 8 through a pipeline A9. The water storage tank 1 is provided with a float valve 13 and a tap water supply pipe 14, and the front end of the connection between the tap water supply pipe 14 and the water storage tank 1 is provided with a check valve B15. The height of the mouth of the tap water supply pipe 14 is higher than the height of the mouth of the overflow pipe 12 . The water treatment tank 2 is provided with a filter and disinfection plate 16 , which is zigzag-shaped, and the filter and disinfection plate 16 is inserted into the zigzag slot 17 at the bottom of the water treatment tank 2 . The filter disinfection plate 16 is made up of multi-layer filter grids, and fiber layers, active carbon and biochemical cotton filter cotton are filled between the filter grid plates. A handle 18 is provided on the filter disinfection plate 16 . A U-shaped water trap is arranged on the pipeline A9. Filter screen is installed at the water outlet place of washbasin 3 and floor drain 4.

The working process of the domestic wastewater reuse system of the utility model is as follows: the washing wastewater of each layer flows into the water treatment tank through the drainage horizontal pipe, flows into the water storage tank after being filtered and sterilized for storage, and flows out from the outlet pipe for flushing the toilet when needed; When the water level in the water tank is too high, the excess water will flow out from the overflow pipe and be discharged into the drainage standpipe; when not in use or maintenance for a long time, it is necessary to open the ball valve on the emptying pipe to empty the water in the water storage tank; the overflow pipe It is connected with the emptying pipe by a pipe connected to the drainage standpipe, and a U-shaped trap is set at the front end of the drainage standpipe, which naturally forms a water seal when draining; at the front end of the connection between the emptying pipe and the overflow pipe, there is a The check valve A prevents the waste water discharged from the overflow pipe from flowing back into the water tank; the washing waste water at the bottom of the building is treated and stored by the groundwater treatment system, and pumped into the top water storage tank through the lift pump. Pipe connection; filter screens are installed at the washbasin and the drain outlet of the floor drain.

As shown in Figure 2, the water treatment tank is installed in the floor. The general thickness of the floor is 300cm. The size of the water treatment tank is determined according to the water consumption. A cover plate is installed on the ground above the water treatment tank to facilitate maintenance; the water treatment tank is equipped with a detachable filter. The structure of the disinfection plate and the filter disinfection plate is shown in Figure 3, which is zigzag and equipped with a handle; a rubber cushion is provided at the junction of the filter disinfection plate and the water treatment tank to play a sealing role; the filter disinfection plate is put into the water The processing box is clamped into the card slot at the bottom of the box and fixed. The structure of the card slot is shown in Figure 4. Among them, the filter and disinfection plate is composed of coarse filter grids and fine filter grids, both of which are two layers. The second layer of coarse filter grids is slightly thinner than the first layer of coarse filter grids. A layer of fine grids is filled with fiber layers and activated carbon to absorb toxic substances, decompose some organic matter and remove odors; between two layers of fine filter grids is filled with biochemical cotton filter cotton to decompose toxic NH ₃ , NH ₄ ⁺ and NO ₂ in water , while playing a further role in filtering.

In addition, a tap water supply pipe is provided in the water storage tank, and a ball float valve is provided on the pipe. When the water level in the water storage tank is lower than the critical water level, the float ball valve is opened to supply the water tank with tap water; There is a check valve B to prevent water from flowing backwards; the nozzle of the tap water supply pipe is higher than the nozzle of the overflow pipe to prevent the water in the water storage tank from polluting the tap water.

Claims (10)

1. one way of life waste water recycling system, it is characterized in that, comprise the storage tank (1) being arranged on each floor, except top layer, storage tank (1) water inlet of all the other floors is all connected by pipeline with the delivery port of the water treatment case (2) being arranged on same floor, and the water inlet of water treatment case (2) is connected by pipeline with the lower mouth of a river of wash basin (3), floor drain (4); The delivery port of storage tank (1) is connected with same layer toilet water flushing pipeline (5); The delivery port of bottom storage tank is connected by lift pump (6) with top layer storage tank.

2. one way of life waste water recycling system according to claim 1, it is characterized in that, described storage tank (1) is provided with evacuated tube (7), evacuated tube (7) is connected by pipeline A (9) with soil stack (8), and evacuated tube (7) is provided with ball valve (10) and flap valve A (11).

3. one way of life waste water recycling system according to claim 1, it is characterized in that, described storage tank (1) is also provided with bleed off pipe (12), bleed off pipe (12) is connected by pipeline A (9) with soil stack (8).

4. the one way of life waste water recycling system according to Claims 2 or 3, is characterized in that, described pipeline A (9) is provided with U-shaped trap.

5. one way of life waste water recycling system according to claim 4, it is characterized in that, be provided with float valve (13) and tap water supply pipe (14) in described storage tank (1), tap water supply pipe (14) and storage tank (1) front end, junction are provided with flap valve B (15).

6. one way of life waste water recycling system according to claim 5, is characterized in that, described tap water supply pipe (14) mouth of pipe height is higher than bleed off pipe (12) mouth of pipe height.

7. one way of life waste water recycling system according to claim 1, it is characterized in that, be provided with in described water treatment case (2) and filter sterilizing board (16), filtering sterilizing board (16) is zigzag, filters sterilizing board (16) and is inserted in the zigzag draw-in groove (17) bottom water treatment case.

8. one way of life waste water recycling system according to claim 7, is characterized in that, described filtration sterilizing board (16) is made up of multilayer filter grid screen, fiberfill fibers layer, active carbon and biochemical cotton filter cotton between filter grid screen.

9. one way of life waste water recycling system according to claim 8, is characterized in that, described filtration sterilizing board (17) is provided with handle (18).

10. one way of life waste water recycling system according to claim 1, is characterized in that, the lower mouth of a river place of described wash basin (3) and floor drain (4) is provided with screen pack.