CN210751562U

CN210751562U - Double-cone filter screen solid-liquid separation back-flushing device

Info

Publication number: CN210751562U
Application number: CN201921386283.2U
Authority: CN
Inventors: 孙建云; 林书帅
Original assignee: Guangzhou Baiyuan Pump Group Ltd
Current assignee: Guangzhou Baiyuan Pump Group Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-06-16
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a solid-liquid separation back-flushing device with a double-cone filter screen, which comprises a cylinder body, wherein the head end and the tail end of the cylinder body are provided with a water inlet and a water outlet, and the axial leads of the water inlet and the water outlet are coaxial; still include outer filter screen and interior filter screen, outer filter screen and interior filter screen are conical, and outer filter screen cover is established in the outside of interior filter screen, and outer filter screen and interior filter screen all are in inside the barrel and the opening side of outer filter screen and interior filter screen is connected with the inboard of barrel. The double-layer filter screen can effectively filter suspended matters and particles in a water body, reduce turbidity, purify water, reduce system dirt, bacteria, algae, rust and the like, and during backwashing, the water flow direction is vertically sprayed to the inner filter screen through the holes of the outer filter screen and is the water flow outlet direction, so that slag on the inner filter screen is effectively removed, and the solid-liquid separation backwashing device can purify water and protect other equipment of a system to normally work. This utility model is used for the water pump field.

Description

Double-cone filter screen solid-liquid separation back-flushing device

Technical Field

The utility model relates to a water pump field especially relates to a two circular cone filter screen solid-liquid separation back flush device.

Background

With the rapid development of society, sewage generated by life and industry contains solid impurities, grease and the like, a solid-liquid separation backwashing device is self-service filtering equipment, the self-service type is realized by the internal and external pressure difference under the action of water power, and the equipment can effectively ensure that the equipment can be always in the optimal motion state when in operation without external force, so that microbial flora is effectively controlled, the generation of scale is inhibited, the corrosion of pipeline equipment is prevented, the energy consumption is reduced, and the service life of the equipment is prolonged.

The solid-liquid backwashing device is widely applied to various industries in China: a circulating or non-circulating cooling water system, a heat exchange system, a central air conditioning system, a central heating system, a hot water boiler system, etc. are used to protect cooling equipment, a heat exchange device, an air conditioner, a boiler, etc., respectively. At present, a solid-liquid separation backwashing device on the market adopts a single-layer cylindrical filter screen structure, the effect of filtering slag is poor, partial slag flows into equipment along with sewage, and the failure rate of the equipment is very high. During back flushing, due to the cylindrical filter screen, when sewage passes through the holes around the cylinder of the filter screen, convection is formed in the filter screen, which is not beneficial to discharge of slag.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a difficult jam of equipment and back flush clearance efficient biconical filter screen solid-liquid separation back flush unit.

The utility model adopts the technical proposal that:

a solid-liquid separation back-flushing device with a double-cone filter screen comprises a cylinder body, wherein a water inlet and a water outlet are arranged at the head end and the tail end of the cylinder body, and the axial lines of the water inlet and the water outlet are coaxial; still include outer filter screen and interior filter screen, outer filter screen and interior filter screen are conical, and outer filter screen cover is established in the outside of interior filter screen, and outer filter screen and interior filter screen all are in inside the barrel and the opening side of outer filter screen and interior filter screen is connected with the inboard of barrel.

As the improvement of the scheme, the cylinder comprises a first cylinder body and a second cylinder body, the first cylinder body is connected with the second cylinder body through a flange, and the opening sides of the outer filter screen and the inner filter screen are arranged between the connection positions of the first cylinder body and the second cylinder body.

As the improvement of above-mentioned scheme, still include the ring board, the opening side equipartition of outer filter screen and interior filter screen is arranged on the ring board, the ring board sets up between first stack shell and second stack shell and is passed by the bolt.

As an improvement of the scheme, the conicity of the outer filter screen and the conicity of the inner filter screen are the same.

As an improvement of the scheme, the taper of the outer filter screen and the taper of the inner filter screen are 0.5-1.

As the improvement of the scheme, the gap between the outer filter screen and the inner filter screen is 1-2 cm.

As an improvement of the scheme, the axial lines of the water inlet, the water outlet, the inner filter screen, the outer filter screen and the cylinder body are coaxial.

The utility model has the advantages that: the double-layer filter screen can effectively filter suspended matters and particles in a water body, reduce turbidity, purify water, reduce system dirt, bacteria, algae, rust and the like, and during backwashing, the water flow direction is vertically sprayed to the inner filter screen through the holes of the outer filter screen and is the water flow outlet direction, so that slag on the inner filter screen is effectively removed, and the solid-liquid separation backwashing device can purify water and protect other equipment of a system to normally work.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of the normal water intake of the apparatus of this embodiment;

FIG. 2 is a schematic illustration of a reverse flush arrangement in this embodiment;

fig. 3 is a schematic view of the combination of the circular plate, the inner screen and the outer screen in this embodiment.

Detailed Description

Referring to fig. 1, fig. 2 and fig. 3, the utility model relates to a double-cone filter screen solid-liquid separation back washing device. The device comprises a barrel, wherein a water inlet 31 and a water outlet 32 are arranged at the head end and the tail end of the barrel, the axial lines of the water inlet 31 and the water outlet 32 are coaxial, and the high-flow-rate water flow can conveniently pass through the barrel. The device still includes outer filter screen 22 and interior filter screen 21, and outer filter screen 22 and interior filter screen 21 are the metal mesh, and outer filter screen 22 and interior filter screen 21 are conical, and outer filter screen 22 cover is established in the outside of interior filter screen 21, and outer filter screen 22 and interior filter screen 21 are all, and outer filter screen 22 and interior filter screen 21 all are in inside the barrel and the opening side of outer filter screen 22 and interior filter screen 21 is connected with the inboard of barrel directly or indirectly.

The double-layer filter screen can effectively filter suspended matters and particles in water, reduce turbidity, purify water, reduce system dirt, bacteria, algae, corrosion and the like, and during backwashing, the water flow direction is vertically injected to the inner filter screen 21 through the holes of the outer filter screen 22, and the water flow direction is the water flow outlet direction, so that slag on the inner filter screen 21 is effectively removed, and the solid-liquid separation backwashing device can normally work by purifying water and protecting other equipment of the system.

Referring to fig. 1, when water is normally supplied, the water flows through the inner screen 21 and then to the outer screen 22. Because there is great impact area between toper inclined plane and the rivers, correspondingly interior filter screen 21 can filter water suspended solid, particulate matter in large area ground, and the filter effect is more outstanding. When the water is flushed reversely, the water flow in the figure 2 can be seen to be collected to the middle of the cylinder in a cluster state, so that suspended matters and particles in the water body can be conveniently concentrated and then discharged.

The barrel is of a revolving body structure, and conical closing-in is arranged on one sides of the water inlet 31 and the water outlet 32 of the barrel, so that the water inlet 31 and the water outlet 32 are prevented from being overlarge in size. For convenience of manufacturing and processing, the cylinder preferably includes a first cylinder 11 and a second cylinder 12, the first cylinder 11 is connected to the second cylinder 12 through a flange, and the open sides of the outer screen 22 and the inner screen 21 are disposed between the joints of the first cylinder 11 and the second cylinder 12.

In other embodiments, inner screen 21 and outer screen 22 are joined together on the open side and then both are held together by first barrel 11 and second barrel 12. Preferably, the device further comprises a circular plate 23, wherein the open sides of the outer screen 22 and the inner screen 21 are both arranged on the circular plate 23, the circular plate 23 is arranged at the center for flowing water, and the circular plate 23 is arranged between the first cylinder 11 and the second cylinder 12 and is penetrated by bolts.

Preferably, the conicity of the outer filter screen 22 is the same as that of the inner filter screen 21, the conicity of the outer filter screen 22 is 0.5-1, and the gap between the outer filter screen 22 and the inner filter screen 21 is 1-2 cm.

Preferably, the axial lines of the water inlet 31, the water outlet 32, the inner screen 21, the outer screen 22 and the cylinder are coaxial.

Of course, the design creation is not limited to the above embodiments, and the combination of different features of the above embodiments can also achieve good effects. Those skilled in the art can make equivalent changes or substitutions without departing from the spirit of the present invention, and such equivalent changes or substitutions are included in the scope defined by the claims of the present application.

Claims

1. The utility model provides a two circular cone filter screen solid-liquid separation back flush unit which characterized in that:

the water inlet and the water outlet are arranged at the head end and the tail end of the cylinder body, and the axial lines of the water inlet and the water outlet are coaxial;

still include outer filter screen and interior filter screen, outer filter screen and interior filter screen are conical, and outer filter screen cover is established in the outside of interior filter screen, and outer filter screen and interior filter screen all are in inside the barrel and the opening side of outer filter screen and interior filter screen is connected with the inboard of barrel.

2. The solid-liquid separation back-flushing device with double-cone filter screens of claim 1, which is characterized in that: the barrel comprises a first barrel body and a second barrel body, the first barrel body is connected with the second barrel body through a flange, and the opening sides of the outer filter screen and the inner filter screen are arranged between the connection positions of the first barrel body and the second barrel body.

3. The solid-liquid separation back-flushing device with double-cone filter screens of claim 2 is characterized in that: still include the ring board, the opening side equipartition of outer filter screen and interior filter screen is put on the ring board, the ring board sets up between first stack shell and second stack shell and is passed by the bolt.

4. The solid-liquid separation back-flushing device with double-cone filter screens of claim 3, which is characterized in that: the conicity of the outer filter screen is the same as that of the inner filter screen.

5. The solid-liquid separation back-flushing device with double-cone filter screens of claim 4, which is characterized in that: the conicity of the outer filter screen and the conicity of the inner filter screen are 0.5-1.

6. The solid-liquid separation back-flushing device with double-cone filter screens of claim 5, which is characterized in that: the gap between the outer filter screen and the inner filter screen is 1-2 cm.

7. The solid-liquid separation back-flushing device with double-cone filter screens of claim 6, which is characterized in that: the axial leads of the water inlet, the water outlet, the inner filter screen, the outer filter screen and the cylinder body are coaxial.