CN210905284U

CN210905284U - Rainwater pressure filtering equipment without accumulated sand discharge

Info

Publication number: CN210905284U
Application number: CN201921741307.1U
Authority: CN
Inventors: 王洪
Original assignee: Sichuan Guoheng Construction Design Co ltd
Current assignee: Sichuan Guoheng Construction Design Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-03
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a rainwater pressure filtering device without accumulated sand discharge, which comprises a pressure filter and a cyclone desander connected with the pressure filter, wherein the liquid outlet end of the cyclone desander is connected with the liquid inlet end of the pressure filter, the liquid inlet end of the cyclone desander is connected with a rainwater collecting pipeline, and the liquid outlet end and the liquid inlet end of the cyclone desander are respectively provided with a first valve and a second valve; the device also comprises a branch pipe connected between the upstream of the first valve and the downstream of the second valve, and the branch pipe is provided with a third valve. An object of the utility model is to provide a need not to arrange rainwater pressure filtration equipment of long-pending husky to solve the problem that needs artifical long-pending husky in the rainwater pressure filtration equipment of regular clearance among the prior art, realize reducing artifical husky frequency of clearing, reduce the purpose of manpower consumption.

Description

Rainwater pressure filtering equipment without accumulated sand discharge

Technical Field

The utility model relates to a rainwater filtration field, concretely relates to need not to arrange rainwater pressure filtration equipment of long-pending husky.

Background

In the existing rainwater collection system, collected rainwater can be filtered, wherein pressure filtration is a common filtration mode. The existing pressure filtration equipment is internally provided with a filter screen, a large amount of accumulated sand is accumulated on the filter screen in the process of filtering rainwater, the accumulated sand needs to be manually cleaned regularly, the process is complicated, and the labor consumption is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a need not to arrange rainwater pressure filtration equipment of long-pending husky to solve the problem that needs artifical long-pending husky in the rainwater pressure filtration equipment of regular clearance among the prior art, realize reducing artifical husky frequency of clearing, reduce the purpose of manpower consumption.

The utility model discloses a following technical scheme realizes:

a rainwater pressure filtering device without accumulated sand discharging comprises a pressure filter and a cyclone desander connected with the pressure filter, wherein the liquid outlet end of the cyclone desander is connected with the liquid inlet end of the pressure filter, the liquid inlet end of the cyclone desander is connected with a rainwater collecting pipeline, and the liquid outlet end and the liquid inlet end of the cyclone desander are respectively provided with a first valve and a second valve; the device also comprises a branch pipe connected between the upstream of the first valve and the downstream of the second valve, and the branch pipe is provided with a third valve.

The problem of long-pending husky in the rainwater pressure filtration equipment that needs artifical periodic cleaning among the prior art, the utility model provides a need not to arrange rainwater pressure filtration equipment of long-pending husky links to each other with whirl desander and pressure filter, and the play liquid end of whirl desander links to each other with pressure filter's feed liquor end, and the feed liquor end of whirl desander links to each other with rainwater collection pipeline, and the rainwater of consequently collecting at first gets into the whirl desander, in the desanding of whirl desander was handled the back and is got into pressure filter again. The cyclone desander is made according to the screening principle of solid particles in fluid rotating in the desander, integrates cyclone and filtration into a whole, and has obvious effects of desanding, turbidity reduction, solid-liquid separation and the like in the field of water treatment. Therefore, sand in rainwater is discharged from the sand outlet end at the bottom of the cyclone sand remover, and water is discharged from the liquid outlet end at the top into the pressure filter. And further pressure is continuously carried out by the pressure filter, and finer impurities or mud are filtered, so that purer rainwater is finally obtained. The utility model discloses owing to integrateed the whirl desander, compare in prior art, need not artifical sand on regular unpacking clearance pressure filter medium screen surface, very big reduction the frequency of artifical unpacking clearance, reduced manpower consumption. The first valve and the second valve are respectively used for controlling the opening or closing of the liquid outlet end and the liquid inlet end of the cyclone desander, a branch pipe is arranged between the upstream of the first valve and the downstream of the second valve, and when the cyclone desander is not needed, the first valve and the second valve are closed, the third valve is opened, and rainwater can directly enter the pressure filter. When the cyclone desander needs to be used, the first valve and the second valve are opened, and the third valve is closed.

The liquid outlet end of the cyclone desander is connected with the liquid inlet end of the pressure filter through a drainage pipeline, and the first valve is arranged on the drainage pipeline; the branch pipe is connected between the drain pipe and the rainwater collecting pipe.

The cyclone desander comprises supporting legs, and the supporting legs support the sand outlet end of the cyclone desander away from the ground or the table top. The supporting legs support the cyclone desander, so that the sand outlet end positioned at the bottom of the cyclone desander is supported away from the ground or the table top, and various containers are convenient to use to receive discharged sand.

The pressure filter is internally provided with a plurality of water dripping pipes, and also internally comprises a filter screen positioned below the water dripping pipes and a supercharging device positioned above the water dripping pipes; and the liquid outlet end of the cyclone desander is connected with each water dropping pipe. Rainwater treated by the cyclone sand remover enters each water dropping pipe, drops downwards to the filter screen from the water dropping pipe, the pressure is increased by the pressurizing device above, and the rainwater is pressed through the filter screen, so that the pressurizing and filtering of the rainwater are realized. This scheme compares in traditional pressure filter, and the rainwater drips downwards from each drip pipe, can make the rainwater distribute more evenly to showing and improving filtration efficiency, avoiding the rainwater to get into from a water inlet and lead to the part to pile up. Moreover, in the scheme, the rainwater falls under the action of gravity and is matched with the pressure application direction of the pressurizing device above, so that the gravity is fully utilized, and the pressure application efficiency is improved.

All the water dripping pipes are equal in height, each water dripping pipe is level, and the bottom of each water dripping pipe is provided with a plurality of nozzles which are uniformly distributed along the axial direction. Through evenly distributed's nozzle, further improve the homogeneity of rainwater blowout in every drip pipe.

The filter screen is composed of a plurality of layers of filter screens, and the mesh number of the plurality of layers of filter screens is gradually increased from top to bottom. The successive layer of being convenient for filters, realizes better filter effect.

The supercharging device is an air compressor, and an air inlet end of the air compressor is communicated to the outside of the pressure filter.

And a water outlet is arranged below the filter screen.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

the utility model relates to a need not to arrange rainwater pressure filtration equipment of long-pending sand, integrated whirl desander, compare in prior art, need not artifical sand on filter screen surface among the regular unpacking clearance pressure filter, very big reduction the frequency of artifical unpacking clearance, reduced the human consumption.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-pressure filter, 101-water dropping pipe, 102-filter screen, 103-supercharging device, 104-nozzle, 105-water outlet, 2-cyclone desander, 201-liquid outlet end, 202-liquid inlet end, 203-sand outlet end, 3-rainwater collecting pipeline, 4-valve I, 5-valve II, 6-branch pipe, 7-valve III, 8-drainage pipeline and 9-supporting leg.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1:

as shown in fig. 1, the rainwater pressure filtering equipment without accumulated sand discharging comprises a pressure filter 1 and a cyclone desander 2 connected with the pressure filter 1, wherein a liquid outlet end 201 of the cyclone desander 2 is connected with a liquid inlet end of the pressure filter 1, a liquid inlet end 202 of the cyclone desander 2 is connected with a rainwater collecting pipeline 3, and the liquid outlet end 201 and the liquid inlet end 202 of the cyclone desander 2 are respectively provided with a first valve 4 and a second valve 5; the device also comprises a branch pipe 6 connected between the upstream of the first valve 4 and the downstream of the second valve 5, and a third valve 7 is arranged on the branch pipe 6.

When the cyclone sand remover is not needed, the first valve and the second valve are closed, the third valve is opened, and rainwater can directly enter the pressure filter. When the cyclone desander needs to be used, the first valve and the second valve are opened, and the third valve is closed.

Example 2:

as shown in fig. 1, on the basis of embodiment 1, a liquid outlet end 201 of a cyclone desander 2 is connected with a liquid inlet end of a pressure filter 1 through a drainage pipeline 8, and a first valve 4 is arranged on the drainage pipeline 8; the branch pipe 6 is connected between the drain line 8 and the rainwater collecting line 3. The cyclone desander 2 comprises a supporting leg 9, and the supporting leg 9 supports the sand outlet end 203 of the cyclone desander 2 away from the ground or a table surface. A plurality of drip pipes 101 are arranged in the pressure filter 1, and the pressure filter 1 further comprises a filter screen 102 positioned below the drip pipes 101 and a pressurizing device 103 positioned above the drip pipes 101; the liquid outlet end 201 of the cyclone desander 2 is connected with each water dropping pipe 101. All the water dripping pipes 101 are equal in height, each water dripping pipe 101 is horizontal, and the bottom of each water dripping pipe 101 is provided with a plurality of nozzles 104 which are uniformly distributed along the axial direction. The filter screen 102 is composed of a plurality of layers of filter screens, and the mesh number of the plurality of layers of filter screens is gradually increased from top to bottom. The supercharging device 103 is an air compressor, and an air inlet end of the air compressor is communicated to the outside of the pressure filter 1. A water outlet 105 is arranged below the filter screen 102.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A rainwater pressure filtering device without accumulated sand discharging comprises a pressure filter (1) and is characterized by further comprising a cyclone sand remover (2) connected with the pressure filter (1), wherein a liquid outlet end (201) of the cyclone sand remover (2) is connected with a liquid inlet end of the pressure filter (1), a liquid inlet end (202) of the cyclone sand remover (2) is connected with a rainwater collecting pipeline (3), and the liquid outlet end (201) and the liquid inlet end (202) of the cyclone sand remover (2) are respectively provided with a first valve (4) and a second valve (5); the device also comprises a branch pipe (6) connected between the upstream of the first valve (4) and the downstream of the second valve (5), and a third valve (7) is arranged on the branch pipe (6).

2. A rainwater pressure filtering apparatus without accumulated sand according to claim 1, characterized in that the outlet end (201) of the cyclone sand remover (2) is connected with the inlet end of the pressure filter (1) through a drainage line (8), and the first valve (4) is arranged on the drainage line (8); the branch pipe (6) is connected between the drainage pipeline (8) and the rainwater collecting pipeline (3).

3. A stormwater pressure filtration apparatus without accumulated sand, as claimed in claim 1, characterised in that the cyclone sand remover (2) comprises legs (9), which legs (9) support the sand outlet end (203) of the cyclone sand remover (2) off the ground or a table.

4. A rainwater pressure filtering apparatus without accumulated sand according to claim 1, characterized in that a plurality of drip pipes (101) are arranged in the pressure filter (1), the pressure filter (1) further comprises a filter screen (102) positioned below the drip pipes (101), and a pressure boosting device (103) positioned above the drip pipes (101); the liquid outlet end (201) of the cyclone desander (2) is connected with each water dropping pipe (101).

5. A rainwater pressure filtering apparatus without sand accumulation according to claim 4 characterized in that all the dripping pipes (101) are equal in height, each dripping pipe (101) is horizontal, and the bottom of each dripping pipe (101) is provided with a plurality of nozzles (104) which are uniformly distributed along the axial direction.

6. A rainwater pressure filtering apparatus without accumulated sand according to claim 4, wherein said filtering net (102) is composed of several layers of filtering nets, and the mesh number of the several layers of filtering nets is gradually increased from top to bottom.

7. A rainwater pressure filter device without accumulated sand according to claim 4, characterized in that the pressure boosting device (103) is an air compressor, and the air inlet end of the air compressor is communicated to the outside of the pressure filter (1).

8. A rainwater pressure filtering apparatus without accumulated sand according to claim 4, characterized in that a drain opening (105) is provided below the filtering net (102).