CN212467315U

CN212467315U - Multi-stage efficient self-cleaning filter

Info

Publication number: CN212467315U
Application number: CN202020438184.0U
Authority: CN
Inventors: 赵坤念
Original assignee: Wuxi Inote Filtration System Co ltd
Current assignee: Wuxi Inote Filtration System Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-02-05
Anticipated expiration: 2030-03-30

Abstract

The utility model belongs to the technical field of water treatment, especially, relate to multistage high-efficient self-cleaning filter, including one-level filter and secondary filter, the cylinder is installed at one-level filter casing top, the flexible end of cylinder is connected with the scraper, bottom and the bottom looks adaptation of first filter screen, the scraper periphery is covered with the brush hair, the bottom of casing is connected with first blow off pipe, the one end of secondary filter barrel is equipped with the motor, be equipped with the dog in the barrel, be equipped with the second filter screen in the filter chamber, the output shaft of baffle and motor is worn to establish by the lead screw other end, the lead screw overcoat is equipped with dirty ware of collection, dirty ware of collection is equipped with a plurality of washing suction nozzles, the top. The utility model discloses a be provided with one-level filter and secondary filter and reach optimizing filterable effect, drive the scraper through the cylinder in addition and clear up first filter screen, clear up the second filter screen through the dirty ware of collection to improve filtration efficiency, do benefit to the maintenance of filter, thereby prolong the life of filter.

Description

Multi-stage efficient self-cleaning filter

Technical Field

The utility model belongs to the technical field of the water treatment, especially, relate to multistage high-efficient self-cleaning filter.

Background

In the water treatment process, filtration is a very important link, and various filters are applied to water treatment projects such as drinking water purification, sewage treatment and regenerated water utilization, industrial circulating water treatment, boiler water softening and the like. The filter mainly comprises a cylinder body, a filter screen, a pollution discharge part, a transmission device and an electric control part, is mainly used for removing suspended matters and particles in a water body, reducing turbidity, purifying water quality, reducing the generation of system dirt, bacteria, algae, rust and the like, and is generally used as a pretreatment device for protecting other equipment of a system to normally work. Among the prior art, filtration only is the one-level, causes the worry effect not good, and filter screen formula filter is in addition when using in-process sewage to pass through the filter screen than the big impurity of filter screen mesh diameter by the interception to form the filter cake on the filter screen surface, filter cake can filter the impurity that the diameter is littleer in the continuous use, but can make the filtration efficiency reduction of filter, and the inside and outside pressure differential of filter screen constantly increases, influences filter life's technical problem.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model provides a multistage high-efficient self-cleaning filter, the purpose is in order to solve the pollutant of aquatic and deposit gradually on the filter screen of filter inside to cause the filter screen to block up, make the pressure increase of intaking, the water yield reduces, the filter effect variation, influences filter life's technical problem even.

The utility model provides a multistage high-efficient self-cleaning filter, concrete technical scheme is as follows:

the multi-stage high-efficiency self-cleaning filter comprises a first-stage filter and a second-stage filter, wherein the first-stage filter is communicated with the second-stage filter,

the primary filter comprises a shell and a first filter screen, the first filter screen is arranged in the shell, the first filter screen is of a barrel-shaped structure, the bottom of the first filter screen is semicircular, the top of the shell is provided with an air cylinder, the telescopic end of the air cylinder extends into the shell and is connected with a scraper, the upper part of the scraper is of a disc structure, the bottom of the scraper is matched with the bottom of the first filter screen, the periphery of the scraper is fully distributed with bristles and is in close contact with the first filter screen, the bottom of the shell is connected with a first drain pipe,

the secondary filter comprises a cylinder body, the cylinder body is horizontally arranged, one end of the cylinder body is communicated with the primary filter, the other end of the cylinder body is provided with an end cover, a motor is arranged outside the end cover, a stop block is arranged in the cylinder body and used for dividing the cylinder body into a filter cavity and a sewage discharge cavity, a second filter screen is arranged in the filter cavity and used for keeping away from the second filter screen, a lead screw support is arranged at one end of the motor and connected with a lead screw, the other end of the lead screw penetrates through the stop block and is connected with an output shaft of the motor, a sewage collector is arranged outside the lead screw in a sleeved mode and provided with a plurality of cleaning suction nozzles, and a second sewage discharge pipe.

In some embodiments, a water inlet is formed in one side of the upper portion of the shell, and a water outlet is clamped below the filter cavity.

In some embodiments, the filter further comprises a first pressure differential gauge disposed on the housing and a second pressure differential gauge disposed outside the filter cavity.

In some embodiments, the system further comprises a first waste valve disposed on the first waste line and a second waste valve disposed on the second waste line.

In some embodiments, the first screen is a wedge-shaped screen and the second screen is a composite screen filter element.

In certain embodiments, the secondary filter further comprises a speed reducer disposed between the lead screw and the motor.

The utility model discloses following beneficial effect has: the utility model discloses a be provided with one-level filter and secondary filter and reach optimizing filterable effect, drive the scraper through the cylinder in addition and clear up first filter screen, clear up the second filter screen through the dirty ware of collection to improve filtration efficiency, do benefit to the maintenance of filter, thereby prolong the life of filter.

Drawings

Fig. 1 is a schematic perspective view of the multi-stage high-efficiency self-cleaning filter according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings 1.

a multi-stage high-efficiency self-cleaning filter comprises a primary filter 1 and a secondary filter 2, wherein the primary filter 1 is communicated with the secondary filter 2, and water to be treated is treated by the primary filter 1 and flows into the secondary filter 2 for treatment. One-level filter 1 includes casing 11 and first filter screen 12, and first filter screen 12 is installed in casing 11, and first filter screen 12 is barrel-shaped structure, and the bottom is semi-circular, and cylinder 13 is installed at casing 11 top, and inside cylinder 13's flexible end stretched into casing 11, and was connected with scraper 14, held through cylinder 13 is flexible and drives scraper 14 up-and-down motion to reach the cleanness to first filter screen 12's impurity. The upper portion of scraper 14 is the disc structure, and the bottom is the adaptation with the bottom of first filter screen 12, and brush hair 141 is covered with to scraper 14 periphery, and with first filter screen 12 in close contact with, and scraper 14's disc structure is used for clearing up the upper portion cylinder of first filter screen 12, and the bottom is used for cleaing away the semicircular structure of first filter screen 12. The bottom of the housing 11 is connected with a first drain pipe 15 for discharging the filter residue cleaned by the first-stage filter 1. The secondary filter 2 includes barrel 21, barrel 21 level sets up, barrel 21's one end and primary filter 1 intercommunication, the other end is equipped with the end cover, the end cover is equipped with motor 22 outward, be equipped with dog 23 in the barrel 21, dog 23 divide into filter chamber 3 and blowdown chamber 4 with barrel 21, be equipped with second filter screen 24 in the filter chamber 3, the one end that motor 22 was kept away from to second filter screen 24 is equipped with lead screw support 25, be connected with lead screw 26 on the lead screw support 25, the output shaft of dog and motor 22 is worn to establish by the lead screw 26 other end, the 26 overcoat of lead screw is equipped with dirty ware 27 of collection, dirty ware 27 of collection is equipped with a plurality of washing suction nozzles 271, the top in blowdown chamber 4 is equipped. The screw rod 26 is driven to rotate by the motor 22, so as to drive the cleaning suction nozzle 271 on the dirt collector 27 to continuously rotate, absorb the filter residue and the filter cake on the second filter screen 24, merge into the dirt discharge cavity 4, and finally discharge from the second dirt discharge pipe 28. In the embodiment, the multi-stage high-efficiency self-cleaning filter operates continuously, and does not need to be stopped during cleaning.

Preferably, a water inlet 5 is formed in one side of the upper portion of the shell 11, and a water outlet 6 is clamped below the filter cavity 3. Sewage enters the water inlet 5 and is discharged from the water outlet 6 after being treated by the primary filter 1 and the secondary filter 2. The utility model provides a filter's processing water yield reaches 7000m³/h。

Preferably, a first pressure difference gauge and a second pressure difference gauge 29 are further included, the first pressure difference gauge being arranged on the housing 11 and the second pressure difference gauge 29 being arranged outside the filter chamber 3. The first pressure difference meter is used for detecting the water pressure passing through the first filter screen 12, when the water pressure is higher, the first filter screen 12 is seriously blocked, the second pressure difference meter 29 is used for detecting the water pressure passing through the second filter screen 24, and when the water pressure is higher, the second filter screen 24 is seriously blocked.

Preferably, a first blowoff valve 7 and a second blowoff valve 8 are further included, the first blowoff valve 7 being provided on the first blowoff pipe 15, the second blowoff valve 8 being provided on the second blowoff pipe 28. The first and second blow-down valves 7 and 8 may control the flow of liquid through the first and second blow-down

pipes

15 and 28. The primary filter 1 may be set to discharge water after a plurality of times of washing, or may be set to discharge water once for a single time of washing.

Preferably, the first screen 12 is a wedge-shaped screen, with a maximum accuracy of 100 μm; the second filter screen 24 is a composite screen filter element with the highest precision of 25 mu m.

The secondary filter 2 further comprises a sealing gland 231, and the sealing gland 231 is hermetically arranged on the dirt collector 27 and is in sealing fit with the stop block 23. The sealing and the mutual non-communication of the two spaces of the filter cavity 3 and the sewage discharge cavity 4 are ensured.

Preferably, the secondary filter 2 further comprises a reducer 9, the reducer 9 being arranged between the screw 26 and the motor 22. The rotation speed of the motor 22 is high, and the rotation speed of the motor 22 is reduced by the speed reducer 9.

The above-mentioned only the utility model discloses the feasible embodiment of preferred is not right the utility model discloses a restriction, the utility model discloses also not be limited to the above-mentioned example, technical field's technical personnel the utility model discloses an in the essential scope, change, modification, interpolation or replacement made also should belong to the utility model discloses a protection scope.

Claims

1. The multi-stage high-efficiency self-cleaning filter is characterized by comprising a first-stage filter and a second-stage filter, wherein the first-stage filter is communicated with the second-stage filter,

2. The multi-stage high-efficiency self-cleaning filter according to claim 1, wherein a water inlet is formed at one side of the upper part of the shell, and a water outlet is clamped below the filter cavity.

3. The multi-stage high efficiency self-cleaning filter of claim 1 further comprising a first pressure differential gauge disposed on the housing and a second pressure differential gauge disposed outside the filter chamber.

4. The multi-stage high efficiency self-cleaning filter of claim 1 further comprising a first blowdown valve disposed on the first blowdown line and a second blowdown valve disposed on the second blowdown line.

5. The multi-stage high efficiency self-cleaning filter of claim 1 wherein the first screen is a wedge screen and the second screen is a composite screen cartridge.

6. The multi-stage high efficiency self-cleaning filter of claim 1 further comprising a speed reducer disposed between the lead screw and the motor.