CN205677046U - A kind of urban rainwater collection defecator - Google Patents

Abstract

The utility model relates to a rainwater pipe drainage system in municipal engineering, in particular to an urban rainwater collection and filtering device, comprising a well grate, a road structure layer, a regulating valve, a well cover, a drainage pipe, an overflow port, a pressure port, and a pressure plate , springs, pistons, pressure valves, filter screens, water pipes, water storage tanks, water pumps, activated carbon layers, fine sand layers, gravel layers and water collection wells, which can not only collect and filter rainwater, but also drain water. The well grate is installed on the upper end of the water collection well, and the lower end of the water collection well is provided with a gravel layer, a fine sand layer and an activated carbon layer, and a water storage tank is installed at the lower end of the activated carbon layer. The well cover is set above the regulating valve, and the drainage pipe is set with a pressure valve and a filter screen. The inside of the pressure valve is set with a pressure plate, spring and piston. The lower end of the pressure valve is set with a pressure port, and the right end of the pressure valve is set with an overflow port. . The water pump is arranged inside the water storage tank, and the water pipe is connected to the upper end of the water pump.

Description

An urban rainwater collection and filtration device

technical field

The utility model relates to a rainwater pipe drainage system in municipal engineering, in particular to an urban rainwater collection and filtering device.

Background technique

The drainage system in municipal engineering is divided into rainwater drainage system and sewage drainage system. The rainwater in the rainwater drainage system is continuously discharged to the river, and the rainwater in the rainwater drainage system of coastal cities is discharged to the sea. These water resources are not fully utilized and wasted. So it is very necessary to design a kind of urban rainwater collection filter device.

Contents of the invention

The technical problem mainly solved by the utility model is to provide an urban rainwater collecting and filtering device, which can not only collect and filter rainwater, but also drain water.

In order to solve the above-mentioned technical problems, the utility model relates to a rainwater pipe drainage system in municipal engineering, more specifically an urban rainwater collection and filtration device, including a well grate, a road structure layer, a regulating valve, a well cover, a drainage pipe, and an overflow port , pressure port, pressure plate, spring, piston, pressure valve, filter screen, water pipe, water storage tank, water pump, activated carbon layer, fine sand layer, gravel layer and water collection well, which can not only collect and filter rainwater, but also drain water.

The well grate is installed on the upper end of the water collection well, and the lower end of the water collection well is provided with a gravel layer, a fine sand layer and an activated carbon layer, and a water storage tank is installed at the lower end of the activated carbon layer. The well cover is set above the regulating valve, and the drainage pipe is set with a pressure valve and a filter screen. The inside of the pressure valve is set with a pressure plate, spring and piston. The lower end of the pressure valve is set with a pressure port, and the right end of the pressure valve is set with an overflow port. . The water pump is arranged inside the water storage tank, and the water pipe is connected to the upper end of the water pump.

As a further optimization of the technical solution, the well grate described in the urban rainwater collection and filtering device of the utility model is provided with a plurality of openings.

As a further optimization of the technical solution, the materials of the pressure valve and the water pump described in the urban rainwater collection and filtration device of the utility model are all stainless steel.

As a further optimization of the technical solution, a layer of permeable geotextile is laid between the crushed stone layer and the fine sand layer, and between the fine sand layer and the activated carbon layer in an urban rainwater collection and filtration device of the utility model.

As a further optimization of the technical solution, the crushed stone layer, the fine sand layer and the activated carbon layer described in the urban rainwater collection and filtering device of the utility model are sequentially placed at the lower end of the water collection well.

The beneficial effect of a kind of urban rainwater collection filter device of the utility model is:

The utility model relates to an urban rainwater collecting and filtering device, which can not only collect and filter rainwater, but also drain water.

Description of drawings

Below in conjunction with accompanying drawing and specific implementation method, the utility model is described in further detail.

Fig. 1 is a schematic structural view of an urban rainwater collection and filtering device of the present invention.

In the figure: well grate 1; road structure layer 2; regulating valve 3; well cover 4; drainage pipe 5; overflow port 6; pressure port 7; pressure plate 8; spring 9; piston 10; pressure valve 11; filter screen 12; Water pipe 13; water storage tank 14; water pump 15; activated carbon layer 16; fine sand layer 17; gravel layer 18;

detailed description

Specific implementation mode one:

The present embodiment will be described below in conjunction with Fig. 1. The utility model relates to a rainwater pipe drainage system in municipal engineering, more specifically a kind of urban rainwater collection and filtration device, including a well grate 1, a road structure layer 2, a regulating valve 3, and a well cover 4 , drainage pipe 5, overflow port 6, pressure port 7, pressure plate 8, spring 9, piston 10, pressure valve 11, filter screen 12, water pipe 13, water storage tank 14, water pump 15, activated carbon layer 16, fine sand layer 17. The gravel layer 18 and the water collection well 19 can not only collect and filter rainwater, but also drain water.

Rainwater flows into the water collecting well 19 from the upper end of the road structure layer 2 through the well grate 1, and the well grate 1 is installed on the upper end of the water collecting well 19, and the lower end of the water collecting well 19 is provided with a gravel layer 18, a fine sand layer 17 and an active carbon layer 16, and the gravel Layer 18 and fine sand layer 17 can filter rainwater, and the lower end of activated carbon layer 16 is equipped with water storage tank 14, and activated carbon layer 16 can remove peculiar smell, and water storage tank 14 is used for collecting the rainwater after filtering. The manhole cover 4 is arranged above the regulating valve 3, and the drain pipe 5 is provided with a pressure valve 11 and a filter screen 12. The filter screen 12 can filter out large pollutants in the rainwater, prevent the drain pipe 5 from clogging, and facilitate the cleaning of the drain pipe 5 . The inside of the pressure valve 11 is provided with a pressure plate 8, a spring 9 and a piston 10. The lower end of the pressure valve 11 is provided with a pressure port 7, and the right end of the pressure valve 11 is provided with an overflow port 6. When there is more rainwater in the drainage pipe 5, Under the pressure of the rainwater, the pressure plate 8 moves upward to compress the spring 9, and the piston 10 moves to the top of the overflow port 6, and the rainwater flows out of the water collection well 19 through the pressure port 7 and the overflow port 6 for drainage, so as to prevent excessive rainwater from causing The city is flooded with rain. The water pump 15 is arranged inside the water storage tank 14, the water pipe 13 is connected to the upper end of the water pump 15, and the water pump 15 can extract purified rainwater.

Specific implementation mode two:

The present embodiment will be described below in conjunction with FIG. 1 . This embodiment will further illustrate the first embodiment. The well grate 1 is provided with a plurality of openings to facilitate rainwater entering the water collection well 19 .

Specific implementation mode three:

The present embodiment is described below in conjunction with Fig. 1, and present embodiment is further described to embodiment one, and the material of described pressure valve 11 and water pump 15 is stainless steel, prevents from getting rusty, prolongs the service life of pressure valve 11 and water pump 15.

Specific implementation mode four:

The present embodiment is described below in conjunction with Fig. 1, and the present embodiment is further described to embodiment one, between the described gravel layer 18 and the fine sand layer 17, between the described fine sand layer 17 and the activated carbon layer 16, a Layer permeable geotextile.

Specific implementation mode five:

The present embodiment is described below in conjunction with Fig. 1, and present embodiment is further described to embodiment one, and described gravel layer 18, fine sand layer 17 and activated carbon layer 16 are placed in the lower end of water collection well 19 successively.

Working principle: the filter screen 12 can filter out large pollutants in the rainwater, prevent the drainage pipe 5 from being blocked, and facilitate the cleaning of the drainage pipe 5 . When the rainwater in the water collection well 19 is less, the piston 10 moves to the bottom of the overflow port 6 under the action of the spring 9 inside the pressure valve 11 to prevent the discharge of rainwater. The rainwater passes through the gravel layer 18, fine sand layer 17 and activated carbon. The filter of the layer 16 is discharged into the water storage tank 14, the water pump 15 is arranged inside the water storage tank 14, the water pipe 13 is connected to the upper end of the water pump 15, the water pump 15 can extract the purified rainwater, and the purified rainwater can be used for greening and fire. When there is a lot of rainwater in the water collecting well 19, under the pressure of the rainwater, the pressure plate 8 moves upward to compress the spring 9, the piston 10 moves to the top of the overflow port 6, and the rainwater flows out of the water collecting well through the pressure port 7 and the overflow port 6 19 to carry out drainage to prevent urban rainwater from flooding when the rainwater is too heavy.

Of course, the above descriptions are not limitations of the present utility model, and the present utility model is not limited to the above-mentioned examples. Changes, modifications, additions or replacements made by those of ordinary skill in the art within the essential scope of the present utility model also belong to Protection scope of the present utility model.

Claims (5)

1. a urban rainwater collection defecator, including well comb (1), road structure layer (2), regulation valve (3), well lid (4), row Waterpipe (5), overfall (6), pressure port (7), pressure plare (8), spring (9), piston (10), pressure valve (11), drainage screen (12), water pipe (13), water tank (14), water pump (15), active carbon layer (16), fine sand layer (17), metalling (18) and sump (19), it is characterised in that: well comb (1) is arranged on the upper end of sump (19), and the lower end of sump (19) is provided with metalling (18), fine sand layer (17) and active carbon layer (16), the lower end of active carbon layer (16) is provided with water tank (14)；Well lid (4) is arranged In the top of regulation valve (3), in drainage pipeline (5), it is provided with pressure valve (11) and drainage screen (12), the inside of pressure valve (11) Being provided with pressure plare (8), spring (9) and piston (10), the lower end of pressure valve (11) is provided with pressure port (7), pressure valve (11) Right-hand member be provided with overfall (6)；Water pump (15) is arranged on the inside of water tank (14), and water pipe (13) is connected to water pump (15) Upper end.

A kind of urban rainwater collection defecator the most according to claim 1, it is characterised in that: described well is combed on (1) It is provided with multiple port.

A kind of urban rainwater collection defecator the most according to claim 1, it is characterised in that: described pressure valve (11) It is rustless steel with the material of water pump (15).

A kind of urban rainwater collection defecator the most according to claim 1, it is characterised in that: described metalling (18) And between fine sand layer (17), between described fine sand layer (17) and active carbon layer (16), all lay one layer of permeable geotextiles.

A kind of urban rainwater collection defecator the most according to claim 1, it is characterised in that: described metalling (18), fine sand layer (17) and active carbon layer (16) are sequentially placed the lower end of sump (19).