CN217163409U

CN217163409U - Anti-blocking buffering fine filter

Info

Publication number: CN217163409U
Application number: CN202220990580.3U
Authority: CN
Inventors: 崔志超; 李跃胜; 崔家兴
Original assignee: Linfen City Yaodu District Xinjiaxing Technology Co ltd
Current assignee: Linfen City Yaodu District Xinjiaxing Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-12
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses an anti-blocking buffering fine filter, which comprises a shell, wherein the side part of the shell is provided with an upper connecting pipe, a filter screen is arranged in the upper connecting pipe, the lower part of the filter screen extends into the shell, the lower part of the filter screen separates a channel of the shell into an inflow channel and an outflow channel, and liquid flows into the outflow channel after passing through the filter screen from the inflow channel; an opening at the upper end of the upper connecting pipe is connected with a back washing control valve, a back washing water sprinkling nozzle is arranged at the outlet of the back washing control valve, and the back washing water sprinkling nozzle is positioned at the opening at the upper end of the upper connecting pipe. Simple structure need not to dismantle and washs, has reduced the dismouting number of times, guarantees the installation leakproofness, has prolonged life.

Description

Anti-blocking buffering fine filter

Technical Field

The utility model relates to a filter equipment technical field, concretely relates to prevent blocking and strain buffering secondary filter.

Background

The inside filter equipment that sets up usually of body filters the liquid that passes through, and filter equipment live time after long, often can have a lot of debris, influences the normal passing through of liquid, to filter equipment's washing, needs to pull down filter equipment and washs the change, complex operation, and many times dismouting influences the installation leakproofness very easily, reduces filter equipment's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent blocking buffering secondary filter.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-blocking buffering fine filter comprises a shell, wherein an upper connecting pipe is arranged on the side part of the shell, a filter screen is installed in the upper connecting pipe, the lower part of the filter screen extends into the shell, the lower part of the filter screen separates a channel of the shell into an inflow channel and an outflow channel, and liquid flows into the outflow channel after passing through the filter screen from the inflow channel;

an opening at the upper end of the upper connecting pipe is connected with a back washing control valve, a back washing water sprinkling nozzle is arranged at the outlet of the back washing control valve, and the back washing water sprinkling nozzle is positioned at the opening at the upper end of the upper connecting pipe.

Furthermore, the filter screen includes tubulose filter screen and bottom filter screen, and bottom filter screen and the lower extreme sealing connection of tubulose filter screen, the back flush water sprinkle shower nozzle is located the upper end opening part of tubulose filter screen.

Furthermore, the filter screen sets up to two, is respectively the coarse filter screen and the fine filter screen of matching laminating, and the fine filter screen is located the coarse filter screen.

Furthermore, the upper connecting pipe, the filter screen and the backwashing filter valve are fixedly connected through a flange.

Furthermore, a lower connecting pipe is arranged at the lower side part of the shell, the interior of the lower connecting pipe is communicated with the interior of the shell, and a drain valve is arranged at the lower end opening of the lower connecting pipe.

Furthermore, the axis of the upper connecting pipe and the axis of the lower connecting pipe are located on the same straight line.

Furthermore, a water inlet guide plate is obliquely arranged at the inlet of the shell, the water inlet guide plate extends to the center of the shell from the inner wall of the upper side of the inlet of the shell, and the connecting end of the water inlet guide plate is connected with the inner wall of the shell in a sealing way; the exit slope of casing sets up out the water guide plate, and the water guide plate that goes out extends to casing center department from casing exit downside inner wall, goes out the link and the shells inner wall sealing connection of water guide plate, and the extension end of the guide plate that intakes is connected and is enclosed into the location mouth with the extension end of the guide plate that goes out, the outer wall of filter screen and the inner wall sealing connection of location mouth.

Furthermore, the fixed registration arm that sets up in registration arm department, the lateral wall of registration arm and the inner wall sealing connection of registration arm, the filter screen is worn to establish in the registration arm, the outer wall of filter screen and the inner wall sealing connection of registration arm.

Furthermore, a water inlet connecting flange is fixedly arranged at the inlet of the shell, and a water outlet connecting flange is fixedly arranged at the outlet of the shell.

The technical effects of the utility model are as follows:

1. the product can clean the filter screen at regular time through the back washing system. The water column formed by the backwashing sprinkler nozzle can not only increase the impact force of water, but also enable water flow to uniformly wash the surface of the filter screen, thereby enhancing the backwashing effect and saving the backwashing water.

2. The product overcomes the defect that the traditional filter cannot be backwashed regularly, omits the complicated process of disassembling and cleaning sundries, saves the precious time of equipment parking and maintenance, and eliminates the hidden trouble of filter blockage caused by untimely cleaning.

3. Simple structure need not to dismantle and washs, has reduced the dismouting number of times, guarantees the installation leakproofness, has prolonged life.

Drawings

FIG. 1 is a schematic diagram of the internal structure of an anti-clogging buffer fine filter in the embodiment I;

FIG. 2 is a schematic structural diagram of a fine filter screen in the embodiment;

FIG. 3 is a schematic structural view of a coarse strainer in the embodiment;

fig. 4 is a schematic diagram of the internal structure of the anti-blocking fine buffer filter in the embodiment.

Reference numerals: 1. a backwash control valve; 2. backwashing the sprinkler head; 3. a housing; 4. a water inlet guide plate; 5. a water inlet connecting flange; 6. backwashing the flange seat; 7. a fine filtering flange; 8. rough filtering the flange; 9. installing a flange; 10. a water outlet connecting flange; 11. a water outlet guide plate; 12. installing a flange; 13. a sewage draining flange seat; 14. a blowoff valve; 15. a positioning tube; 16. an upper connecting pipe; 17. and a lower connecting pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

As shown in figures 1-4, the anti-blocking buffer fine filter comprises a back flush control valve 1, a shell 3, a fine filter flange 7, a rough filter flange 8 and a blow-off valve 14.

The back-washing control valve 1 comprises a back-washing flange seat 6 and a back-washing shower nozzle 2; a water inlet guide plate 4, a water inlet connecting flange 5, an upper mounting flange 9, a water outlet connecting flange 10, a water outlet guide plate 11 and a lower mounting flange 12 are arranged on the shell 3; the waste valve 14 comprises a waste flange seat 13 with a tapered stub pipe.

Preferably, the axis of the shell 3 is horizontal, and one end of the shell 3 is provided with an inlet; the opposite end of the housing 3 is provided with an outlet, and the upper side of the housing 3 is provided with an upper connection pipe 16, preferably, the axis of the upper connection pipe 16 is perpendicular to the axis of the housing 3. An upper mounting flange 9 is fixedly arranged at the upper end of the upper connecting pipe 16. The upper connecting pipe 16 is provided with a coarse filter screen and a fine filter screen, the coarse filter screen and the fine filter screen are both tubular structures with sealed bottoms, the bottoms of the fine filter screen and the coarse filter screen are both convex cambered surfaces, and filter holes are arranged on the tubular structures and the cambered surfaces. The fine filter screen is positioned inside the coarse filter screen, and the outer wall of the fine filter screen is attached to the inner wall of the coarse filter screen. A fine filtering flange 7 is arranged at an upper opening of the fine filtering net, a rough filtering flange 8 is arranged at an upper opening of the rough filtering net, the rough filtering flange 8 is stacked on an upper mounting flange 9, and the fine filtering flange 7 is stacked on the rough filtering flange 8.

The upper part of the upper connecting pipe 16 is provided with a back washing control valve 1, the back washing control valve 1 is fixedly provided with a back washing flange seat 6, the back washing flange seat 6 is overlapped on the fine filtering flange 7, and the back washing flange seat 6, the fine filtering flange 7, the rough filtering flange 8 and the upper mounting flange 9 are fixedly connected through fasteners such as bolts and the like penetrating through the back washing flange seat 6, the fine filtering flange 7, the rough filtering flange 8 and the upper mounting flange 9.

The outlet of the back-washing control valve 1 is provided with a back-washing shower nozzle 2, the appearance of the back-washing shower nozzle 2 is of a downward convex cambered surface structure, and the back-washing shower nozzle 2 is positioned in the fine filter screen. The lower parts of the fine and coarse screens are located in the housing 3.

The inlet guide plate 4 is obliquely arranged at the inlet in the shell 3, the outlet guide plate 11 is obliquely arranged at the outlet in the shell 3, and the fine filter screen and the coarse filter screen are positioned between the inlet guide plate 4 and the outlet guide plate 11.

Preferably, the connecting end of the water inlet guide plate 4 is fixedly connected with the inner wall of the shell 3 in a sealing way, and the water inlet guide plate 4 obliquely extends to the center of the shell 3 from the inner wall of the shell 3 at the inlet. The connecting end of the water outlet guide plate 11 is fixedly connected with the inner wall of the shell 3 in a sealing way. The water outlet guide plate 11 obliquely extends to the center of the shell 3 from the inner wall of the shell 3 at the outlet, the extending end of the water inlet guide plate 4 is connected with the extending end of the water outlet guide plate 11 and forms a positioning port, the lower part of the coarse filter screen is installed in the positioning port in a matching mode, the outer wall of the coarse filter screen is connected with the inner wall of the positioning port in a sealing mode, and liquid enters from the bottoms of the coarse filter screen and the fine filter screen and then flows out from the side parts of the fine filter screen and the coarse filter screen, so that the liquid in the shell 3 flows in a bending mode.

Preferably, the inner wall of the positioning opening is provided with a positioning pipe 15, the lower part of the coarse screen penetrates into the positioning pipe 15, and the outer wall of the coarse screen is in sealing fit with the inner wall of the positioning pipe 15. The contact area is large, and the positioning effect on the coarse filter screen is good.

Preferably, a water inlet connecting flange 5 is fixedly arranged at the inlet of the shell 3, and a water outlet connecting flange 10 is fixedly arranged at the outlet of the shell 3.

Preferably, a lower connection pipe 17 is fixed to a lower side portion of the case 3, and the inside of the lower connection pipe 17 communicates with the inside of the case 3. Preferably, the axis of the lower connecting pipe 17 is perpendicular to the axis of the housing 3, and the axis of the upper connecting pipe 16 and the axis of the lower connecting pipe 17 are located on the same straight line. The lower end opening of lower connecting pipe 17 can dismantle fixed connection blowoff valve 14, and the entrance of blowoff valve 14 is fixed and is set up blowdown flange seat 13, and the lower end opening of lower connecting pipe 17 is fixed and is set up lower mounting flange 12, and lower mounting flange 12 passes through fasteners such as bolt fixed connection with blowdown flange seat 13.

The product is formed by one-way conduction. When liquid passes through the liquid guide plate 4, the liquid is guided to move downwards, and the liquid is limited by the guide plate 11 to continue to move, and the impact force of the liquid is weakened. The liquid changes the direction of movement at this time, and moves towards the outlet through the filter screen.

The product is provided with two filter screens, namely a coarse filter screen used during primary filtration and a fine filter screen. The two filter screens can be used simultaneously or independently, and can be selected randomly according to different use environments or different liquid media.

The product can clean the filter screen at regular time through the back flush system, the blowoff valve 14 is opened while cleaning, all sundries are discharged from the drain outlet, and the back flush valve 1 and the blowoff valve 14 are closed after cleaning. The water column formed by the backwashing sprinkler nozzle can not only increase the impact force of water, but also enable water flow to uniformly wash the surface of the filter screen, thereby enhancing the backwashing effect and saving the backwashing water.

The product overcomes the defect that the traditional filter cannot be backwashed regularly, omits the complicated process of disassembling and cleaning sundries, saves the precious time of equipment parking and maintenance, and eliminates the hidden trouble of filter blockage caused by untimely cleaning.

The above description has been made in detail only for the preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made without departing from the spirit of the present invention within the knowledge scope of those skilled in the art, and all such changes are intended to be encompassed by the present invention.

Claims

1. The anti-blocking buffering fine filter is characterized by comprising a shell (3), wherein an upper connecting pipe (16) is arranged on the side part of the shell (3), a filter screen is arranged in the upper connecting pipe (16), the lower part of the filter screen extends into the shell (3), the channel of the shell (3) is divided into an inflow channel and an outflow channel by the lower part of the filter screen, and liquid flows into the outflow channel after passing through the filter screen from the inflow channel;

an opening at the upper end of the upper connecting pipe (16) is connected with the back washing control valve (1), a back washing water sprinkling nozzle is arranged at the outlet of the back washing control valve (1), and the back washing water sprinkling nozzle is positioned at the opening at the upper end of the upper connecting pipe (16).

2. The anti-clogging fine buffer filter as set forth in claim 1, wherein the filter mesh comprises a tubular filter mesh and a bottom filter mesh, the bottom filter mesh is sealingly connected to a lower end of the tubular filter mesh, and the backwash water sprinkling nozzle is located at an upper end opening of the tubular filter mesh.

3. The anti-clogging buffering fine filter as claimed in claim 2, wherein the filter screen is provided in two, respectively, as a coarse filter screen and a fine filter screen which are matched and attached, and the fine filter screen is positioned in the coarse filter screen.

4. An anti-clogging fine buffer filter as claimed in claim 1, characterized in that the upper connection pipe (16), the filter screen and the backwash filter valve are fixedly connected by flanges.

5. An anti-clogging damping fine filter as claimed in claim 1, characterized in that the lower side of the housing (3) is provided with a lower connecting pipe (17), the interior of the lower connecting pipe (17) is communicated with the interior of the housing (3), and the lower opening of the lower connecting pipe (17) is provided with a blowoff valve (14).

6. An anti-clogging fine damping filter as claimed in claim 5, characterized in that the axis of the upper connecting tube (16) is aligned with the axis of the lower connecting tube (17).

7. The anti-blocking buffering fine filter as claimed in claim 1, wherein the inlet of the housing (3) is obliquely provided with a water inlet guide plate (4), the water inlet guide plate (4) extends from the upper inner wall of the inlet of the housing (3) to the center of the housing (3), and the connecting end of the water inlet guide plate (4) is hermetically connected with the inner wall of the housing (3); the outlet of the shell (3) is obliquely provided with a water outlet guide plate (11), the water outlet guide plate (11) extends to the center of the shell (3) from the inner wall of the lower side of the outlet of the shell (3), the connecting end of the water outlet guide plate (11) is connected with the inner wall of the shell (3) in a sealing manner, the extending end of the water inlet guide plate (4) is connected with the extending end of the water outlet guide plate (11) and is enclosed into a positioning port, and the outer wall of the filter screen is connected with the inner wall of the positioning port in a sealing manner.

8. The fine filter of claim 7, wherein a positioning tube (15) is fixedly arranged at the positioning port, the outer side wall of the positioning tube (15) is hermetically connected with the inner wall of the positioning port, the filter screen is arranged in the positioning tube (15) in a penetrating manner, and the outer wall of the filter screen is hermetically connected with the inner wall of the positioning tube (15).

9. An anti-clogging filtering buffer fine filter as claimed in claim 1, characterized in that the inlet of the housing (3) is fixedly provided with a water inlet connection flange (5), and the outlet of the housing (3) is fixedly provided with a water outlet connection flange (10).