CN218833751U

CN218833751U - Self-cleaning filter screen filter

Info

Publication number: CN218833751U
Application number: CN202223003242.5U
Authority: CN
Inventors: 徐培; 向正武; 姚童欣; 沈鸿锋; 彭宁宁; 戴维; 邵磊磊; 何铭楠
Original assignee: Hangzhou Longyue Environmental Protection Technology Co ltd
Current assignee: Hangzhou Longyue Environmental Protection Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-04-11
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to a water treatment field especially relates to a self-cleaning filter screen filter, including the vertical jar of body, the internal portion of jar is provided with into water district, clear water district, blowdown district, the clear water district is located jar body middle part both sides, it is located jar body upper portion, middle part center to intake the district, the blowdown district is located the lower part of the jar body, the blowdown district is big-end-up's taper shape, jar body front side sets up pressure differential detection device, the internal portion of vertical jar is provided with self-cleaning filter screen filter equipment. A self-cleaning filter screen filter is designed to solve the problems existing in the existing self-cleaning filter screen filter, improve the pre-filtering efficiency of a water treatment system and ensure the smooth proceeding of the subsequent treatment process.

Description

Self-cleaning filter screen filter

Technical Field

The utility model relates to a water treatment field especially relates to a self-cleaning filter screen filter.

Background

A self-cleaning filter screen filter is generally used for a pretreatment process of a water treatment process, and is a mechanical device for directly intercepting impurities in water by using a filter screen and removing particles in a water body, so that the water quality is purified, the generation of system dirt, bacteria, algae, rust and the like is reduced, and the normal operation of a water treatment system is protected.

Disclosure of Invention

In view of the not enough of background art existence, the utility model relates to a self-cleaning filter screen filter according to above-mentioned problem, has designed a self-cleaning filter screen filter to solve the problem that exists among the current self-cleaning filter screen filter, improve water processing system's prefiltration efficiency, guarantee going on smoothly of follow-up processing technology.

The utility model relates to a self-cleaning filter screen filter, including the vertical jar of body, its characterized in that: the internal portion of jar is provided with into water district, clear water district, blowdown district, the clear water district is located jar body middle part both sides, it is located jar body upper portion, middle part center to intake the district, the blowdown district is located the lower part of the jar body, the blowdown district is big-end-up's taper shape, jar body front side sets up pressure differential detection device, vertical internal portion of jar is provided with from cleaning filter screen filter equipment.

Further, self-cleaning filter screen filter equipment includes filter screen, motor, screw axis and helical blade, the filter screen is located the one side that the clear water district is close to jar body center, the motor is located jar external top, and the screw axis is located jar upper portion center and the middle part center of the body, the outside of screw axis sets up helical blade, the screw axis passes jar body and is connected with the motor transmission.

Further, one side on jar body upper portion is provided with the inlet tube, the inlet tube with intake the district intercommunication, one side at jar body middle part is provided with the outlet pipe, outlet pipe and clear water district intercommunication, jar body bottom is provided with the blow off pipe, blow off pipe and blow off district bottom intercommunication.

Further, the filter screen is stainless steel wedge strip filter screen, the upstream face of stainless steel wedge strip filter screen is the slit, the play surface of stainless steel wedge strip filter screen is the wide seam, stainless steel wedge strip filter screen is the drum shape, clear water district top adopts annular shrouding to seal, clear water district below adopts annular shrouding to seal down.

Furthermore, an inlet detection point is arranged on the water inlet pipe, a water outlet detection point is arranged on the water outlet pipe, and the pressure difference detection device is connected with the inlet detection point and the water outlet detection point through a first cable and a second cable respectively.

Furthermore, the bottom of the tank body is provided with support legs.

Furthermore, an electric blow-off valve is arranged on the blow-off pipe, a water inlet electric butterfly valve is arranged on the water inlet pipe, and a water outlet electric butterfly valve is arranged on the water outlet pipe.

Furthermore, the pressure difference detection device is electrically connected with the motor, the electric blowdown valve, the water inlet electric butterfly valve and the water outlet electric butterfly valve.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the vertical tank body is provided with a self-cleaning filter screen filtering device, can automatically filter water and remove particulate matters in the water, and has the advantages of low failure rate, high filtering precision, high automation degree and unattended operation.

2. The self-cleaning filter screen filtering device has the advantages of simple structure, good filtering performance and wide application range, and can be applied to the front-end water inlet pretreatment of projects such as integrated water purifiers, sewage treatment MBR, ultrafiltration, reverse osmosis and the like. Can be widely applied to industries such as landscaping, sprinkling irrigation and drip irrigation, aquaculture, thermal power cooling, papermaking and textile, chemical industry and steel and the like.

3. The upstream face of stainless steel wedge strip filter screen is the slit, the play surface of stainless steel wedge strip filter screen is wide seam, is difficult to block up, and after aquatic particulate matter passes through the slit, be difficult to block up, can go out from wide seam, reduced the operation of artifical washing stainless steel wedge strip filter screen.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a cross-sectional mechanism according to an embodiment of the present invention.

Fig. 2 is a plan view of an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of a filter screen according to an embodiment of the present invention.

Reference numerals: 1. a water inlet area; 2. a clear water zone; 3. a blowdown area; 4. a water inlet pipe; 5. an electric water inlet butterfly valve; 6. a water outlet pipe; 7. an electric butterfly valve for water outlet; 8. a sewage discharge pipe; 9. an electric blow-down valve; 10. filtering with a screen; 101. stainless steel wedge bar filter screens; 102. fine sewing; 103. wide sewing; 11. an upper annular seal plate; 12. a lower annular seal plate; 13. a helical blade; 14. a screw shaft; 15. an electric motor; 16. a differential pressure detecting device; 17. an inlet detection point; 18. detecting a water outlet point; 19. a support leg; 20. a first cable; 21. a second cable; 22. a tank body; 23. self-cleaning filter screen filter equipment.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "top", "front", "bottom", "both ends", "one side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiment 1 of the utility model refers to fig. 1, fig. 2, fig. 3 and shows, including a jar body 22, including the district 1 of intaking, clear water district 2, blowdown district 3, self-cleaning filter screen 10 filter equipment in the jar body 22, intake district 1 and the middle part center that is located jar body 22, clear water district 2 is located jar middle part both sides of body 22, blowdown district 3 is located jar lower part of body 22, blowdown district 3 is big-end-up's conical shape, blowdown district 3 and intake district 1 intercommunication, jar body 22 bottom is provided with stabilizer blade 19.

The self-cleaning filter screen filtering device 23 comprises a filter screen 10, a spiral shaft 14, spiral blades 13 and a motor 15, wherein the motor 15 is arranged at the top of the tank body 22, the filter screen 10 is positioned between the clean water area 2 and the water inlet area 1, the spiral shaft 14 is positioned inside the tank body 22, the spiral blades 13 are positioned outside the spiral shaft 14, and the spiral shaft 14 is in transmission connection with the motor 15.

The utility model discloses a clean water tank, including jar body 22, inlet tube 4 and the 1 intercommunication in district of intaking, jar body 22 middle part one side is provided with outlet pipe 6, outlet pipe 6 and clear water district 2 intercommunication, jar body 22 bottom is provided with blow off pipe 8, blow off

pipe

8 and 3 intercommunications in the blowdown district.

The filter screen 10 is the drum shape, filter screen 10 diameter ratio jar 22 internal diameter is 2 ~ 5 centimetres less, 2 tops in clear water district adopt annular shrouding 11 to seal, 2 below in clear water district adopt annular shrouding 12 to seal down.

The utility model discloses a filter screen 10, including filter screen 10, stainless steel wedge strip filter screen 101, the upstream face of stainless steel wedge strip filter screen 101 is slot 102, the play surface of filter screen 10 is wide seam 103, and its characteristics are that filter screen 10 is difficult to block up, and after aquatic particulate matter passed through slot 102 of filter screen 10, can not block in filter screen 10 and block up filter screen 10 in the wide seam 103 at filter screen 10 rear portion, reduced the operation of manual cleaning filter screen 10. The filter screen 10 has high filtering precision, the width of the fine slits 102 can be 0.015mm, and various solid particle substances of more than 95% in raw water can be removed. Meanwhile, the filter screen 10 has the advantages of large opening range, high opening rate, good strength, long service life, easy installation, light weight, more economy and the like.

The utility model discloses a sewage treatment device, including jar body 22, inlet pipe 4, blow off pipe 8, motor 15, outlet pipe 6, pressure difference detection device 16, inlet detection point 17, outlet detection point 18, pressure difference detection device 16 is connected with inlet detection point 17 and outlet detection point 18 through first cable 20 and second cable 21 respectively, be provided with electronic blowoff valve 9 on the blow off pipe 8, be provided with into water electric butterfly valve 5 on the inlet pipe 4, be provided with out water electric butterfly valve 7 on the outlet pipe 6, pressure difference detection device 16 is connected with motor 15, electric blowoff valve 9, into water electric butterfly valve 5, play water electric butterfly valve 7 simultaneously.

The utility model discloses a theory of operation and step are as follows: when the pressure difference detection device detects that the pressure difference in the tank 22 reaches a set value, the pressure difference detection device 16 opens the electric blowdown valve 9, the motor 15 is started simultaneously, the motor 15 drives the spiral blade 13 to rotate, dirt accumulated on the inner surface of the filter screen 10 is pushed downwards into the blowdown area 3, the dirt in the blowdown area 3 is discharged from the electric blowdown valve 9 through the blowdown pipe 8, the electric butterfly valve 5 for water inflow is not closed during blowdown, water continues to enter the tank 22, the spiral blade 13 drives sludge to be flushed into the blowdown area 3 along with water flowing downwards, the time for stopping blowdown in the tank 22 is controlled by a relay (not shown), the electric blowdown valve 9 can be closed in general setting for 1-2 minutes, and the motor 15 is stopped to rotate simultaneously.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A self-cleaning screen filter comprising a vertical tank (22), characterized in that: a water inlet area (1), a clear water area (2) and a sewage discharge area (3) are arranged in the tank body (22), the clear water areas (2) are positioned at two sides of the middle part of the tank body (22), the water inlet areas (1) are positioned at the upper part and the middle center of the tank body (22), the sewage discharge area (3) is positioned at the lower part of the tank body (22), the sewage discharge area (3) is in a conical shape with a large upper part and a small lower part, a pressure difference detection device (16) is arranged at the front side of the tank body (22), a self-cleaning filter screen filtering device (23) is arranged in the vertical tank body (22), a water inlet pipe (4) is arranged on one side of the upper part of the tank body (22), the water inlet pipe (4) is communicated with the water inlet area (1), one side of the middle part of the tank body (22) is provided with a water outlet pipe (6), the water outlet pipe (6) is communicated with the clear water area (2), a sewage discharge pipe (8) is arranged at the bottom of the tank body (22), the sewage draining pipe (8) is communicated with the bottom of the sewage draining area (3), the water inlet pipe (4) is provided with an inlet detection point (17), the water outlet pipe (6) is provided with a water outlet detection point (18), and the pressure difference detection device (16) is respectively connected with the inlet detection point (17) and the water outlet detection point (18) through a first cable (20) and a second cable (21).

2. A self cleaning screen filter according to claim 1 wherein: the self-cleaning filter screen filtering device (23) comprises a filter screen (10), a motor (15), a screw shaft (14) and a spiral blade (13), wherein the filter screen (10) is positioned on one side of a clear water area (2) close to the center of a tank body (22), the motor (15) is positioned on the outer top of the tank body (22), the screw shaft (14) is positioned on the center of the upper part and the center of the middle part of the tank body (22), the spiral blade (13) is arranged on the outer side of the screw shaft (14), and the screw shaft (14) penetrates through the tank body (22) to be in transmission connection with the motor (15).

3. A self cleaning screen filter according to claim 2 wherein: filter screen (10) are stainless steel wedge strip filter screen (101), the upstream face of stainless steel wedge strip filter screen (101) is slit (102), the play surface of stainless steel wedge strip filter screen (101) is wide seam (103), stainless steel wedge strip filter screen (101) are the drum shape, annular shrouding (11) is sealed on adopting clear water district (2) top, clear water district (2) below adopts annular shrouding (12) to seal down.

4. A self cleaning screen filter according to claim 3 wherein: the bottom of the tank body (22) is provided with a support leg (19).

5. A self cleaning screen filter according to claim 4 wherein: an electric blow-down valve (9) is arranged on the blow-down pipe (8), a water inlet electric butterfly valve (5) is arranged on the water inlet pipe (4), and a water outlet electric butterfly valve (7) is arranged on the water outlet pipe (6).

6. A self cleaning screen filter according to claim 5 wherein: the pressure difference detection device (16) is electrically connected with the motor (15), the electric blowdown valve (9), the water inlet electric butterfly valve (5) and the water outlet electric butterfly valve (7).