CN219186073U - Back-flushable water filter - Google Patents

Abstract

The utility model discloses a backflushing water filter, and relates to the technical field of water treatment. The utility model comprises a top cover, a filter main body, a rotating motor and a second air cylinder, wherein a waste water pipe penetrates through and welded at one end of the outer peripheral surface of the filter main body, the upper side of the filter main body is clamped with the top cover, the upper side of the top cover is clamped with the first air cylinder, the lower side of the first air cylinder is slidably clamped with a water through scraping plate, the front side of the filter main body is penetrated and clamped with the rotating motor, one side of the rotating motor is clamped with a rotating frame, a filter element is arranged at the inner side of the rotating frame, the bottom end of the filter main body is clamped with the second air cylinder, and the upper side of the second air cylinder is provided with a limiting plate. According to the utility model, through the top cover, the filter main body, the rotating motor and the second air cylinder, the problems that the inner volume of the water filter is large, water is wasted during back flushing, a water inlet pipe is difficult to flush the filter element in a large area, and dirt is easy to accumulate in dead angles of a cleaning structure of the inner wall of the water filter are solved.

Description

Back-flushable water filter

Technical Field

The utility model belongs to the technical field of water treatment, and particularly relates to a water filter capable of back flushing.

Background

The water filter is equipment for filtering particle impurities in water, and mainly comprises a shell, a multi-element filter element, a back flushing mechanism, a differential pressure controller and the like, water to be filtered flows in from a water inlet, flows through a filter screen, enters a pipeline required by a user through an outlet for process circulation, the particle impurities in the water are trapped inside the filter screen, and the water filter has the advantages of stable water quality, simplicity in operation, low maintenance cost, long service life and the like, and is widely applied to the fields of metallurgy, chemical industry, petroleum, papermaking, medicine, food, mining, electric power, urban water supply and the like, but the water filter still has the following defects in actual use:

the utility model has disclosed a kind of good water filter of back flush effect in the publication number CN213823683U, one side of the said water filter body installs the inlet tube, one side far away from inlet tube of the said water filter body installs the drain, the inboard sidewall of the said water filter body has screwed layers, and the inside of the screwed layer has mounting boxes, the inside of the said mounting box has movable blocks, and install the filter box between the movable blocks, the said inboard of the filter box has arcuate slots, the top of the said water filter body has upper cover plate, and the outer wall of the upper cover plate has connecting blocks, the said inside of connecting block has recesses, the water filter is in order to raise the filtration efficiency, can increase the volume of its inboard usually, make the inboard of the water filter can hold the filter core or more filter materials of larger area, the large-scale water filter is in back flush, because the volume in the water filter can't change, and the distance between inlet tube and drain is far, generally need make the water filter to be full of water in order to facilitate back flush, and in order to guarantee the back flush efficiency, generally need to carry on multiple times of water intake and back flush, the drain has lower consumption and high water consumption;

the filter core of water filter or the filter material that uses are more, and water filter only has a inlet tube generally, when carrying out the back flush of filter core, single inlet tube is difficult to carry out the large tracts of land to the filter core surface and washes, and usually sets up a plurality of scrapers or cleaning brush in addition in the water filter and cleans its inner wall, leads to water filter complex structure simultaneously the dead angle of scraper blade or cleaning brush pile up dirt easily, reduces the cleaning performance.

Disclosure of Invention

The utility model aims to provide a water filter capable of back flushing, which solves the problems that the water filter has larger inner volume and water is relatively wasted in back flushing, a water inlet pipe is difficult to quickly flush a filter element in a large area, and dirt is easily accumulated in dead angles of a cleaning structure of the inner wall of the water filter through a top cover, a filter main body, a rotating motor and a second air cylinder.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a backwashable water filter, which comprises a top cover, a filter main body, a rotary motor and a second cylinder, wherein one end of the outer peripheral surface of the filter main body is penetrated and welded with a waste water pipe, sewage after backwashing can be discharged through the waste water pipe, cleaning in the water filter is ensured, the upper side of the filter main body is clamped with the top cover, the upper side of the top cover is clamped with the first cylinder, the lower side of the first cylinder is clamped with a water passing scraping plate, the first cylinder can drive the water passing scraping plate to move up and down, when a filter screen is required to be backwashed, the volume in the filter main body can be reduced by enabling the water passing scraping plate to move downwards, a plurality of spray heads are close to the surface of a filter core, cleaning efficiency of the filter screen is improved, the use of water is reduced, the water passing scraping plate can scrape dirt on the inner wall of the filter main body when moving downwards, the cleaning efficiency in the water filter main body is ensured, the front side of the filter main body is penetrated and clamped with the rotary motor, one side of the rotary motor is clamped with a rotating frame, the inner side of the rotating frame is arranged with a water passing scraping plate, the filter core is required to be further rotated in the vertical direction to drive the filter core, and the filter core is required to be cleaned by the filter core, and the filter main body is required to be turned up and down, and the filter core is required to be cleaned by the filter cylinder to move up and down.

Further, the water-passing scraping plate is inserted into the lower side of the top cover in a penetrating manner, a clean water inlet pipe is welded on the upper side of the water-passing scraping plate in a penetrating manner, the upper part of the clean water inlet pipe movably penetrates through the top cover and protrudes out of the upper end of the top cover, a plurality of spray heads are connected with the bottom end of the water-passing scraping plate in a penetrating manner, and the inner sides of the spray heads are communicated with the clean water inlet pipe in a penetrating manner through the water-passing scraping plate;

the clear water inlet tube one end joint has high-pressure water pump, when the washing of filter core is carried out to needs, first cylinder drives logical water scraper blade downwardly moving, when reducing filter main part inner volume, can scrape the dirt of filter main part inner wall, and simple structure, and convenient operation, and shorten the distance between shower nozzle and the filter core, guarantee that high-speed rivers wash in the filter core surface, avoid the distance between inlet tube and the filter core to lead to the cleaning efficiency to descend far away, high-pressure water pump passes through the clear water inlet tube and will clear water pump into logical water scraper blade inboard, and spout through a plurality of shower nozzles, high-speed mobile water is back flush to the filter core surface, and a plurality of shower nozzles can carry out high-efficient washing to all positions on filter core surface simultaneously, improve clean efficiency greatly.

Further, a filter tank is arranged on the upper side of the filter main body, a supporting frame is welded and fixed on the periphery of the bottom end of the filter main body, a sewage inlet pipe is welded at the upper end of one side of the filter main body in a penetrating manner, a drain pipe is welded at the lower end of the other side of the filter main body in a penetrating manner, a waste pipe is positioned on the upper side of the drain pipe, and the waste pipe is positioned on the lower side of the rotating frame;

when water filtration is carried out, water to be treated enters the inner side of the filter tank through the sewage inlet pipe, is filtered through the filter element, and is discharged through the drain pipe, and when back flushing is carried out, the sewage after flushing can be discharged through the waste water pipe, so that the cleaning in the filter tank is ensured.

Further, the rotating frame is positioned at the inner side of the filter tank, the vibrating frame is connected with the inner side of the rotating frame in a sliding clamping manner, and the filter element is connected with the upper end of the vibrating frame in a penetrating and clamping manner;

when the filter element is required to be backwashed, the rotating motor drives the rotating frame to rotate in the vertical direction, after a certain angle is rotated, the inner wall of the filter tank is washed by clean water, scraped dirt is discharged through the waste water pipe, the rotating frame is driven to rotate again to enable the filter element to overturn, the periphery of the rotating frame is attached to the inner wall of the filter tank, water flow can backwash the filter element, and the service life of the filter element is prolonged.

Further, two ends of the upper side of the vibration frame are clamped with vibration springs, two ends of the upper side of the vibration frame are clamped and fixed with limiting rods, the limiting rods are positioned on the inner sides of the vibration springs, and the upper ends of the vibration springs are clamped on the inner sides of the rotating frame;

when the surface of the filter element is washed by water flowing at a high speed, the acting force generated by water flow enables the vibration frame to move downwards, the vibration frame vibrates up and down through the limiting rod and the vibration spring, the filter element is further vibrated, impurities blocked in the filter element are discharged through vibration, and the backwashing efficiency is improved.

Further, the upper side of the second air cylinder is in sliding clamping connection with a telescopic pipe, the limiting plate is in clamping connection with the upper side of the telescopic pipe, the telescopic pipe is inserted into the bottom end of the filter main body in a penetrating manner, and the limiting plate is positioned at the bottom end of the inner side of the filter tank;

when back flushing is needed, the second air cylinder drives the telescopic pipe to stretch, so that the limiting plate moves upwards to reduce the volume in the filter main body, the water consumption is reduced, the cleaning efficiency is improved, and dirt on the inner wall of the filter tank can be scraped.

The utility model has the following beneficial effects:

the utility model solves the problems that the volume of the inner side of the water filter is increased to improve the filtering efficiency, the inner side of the water filter can accommodate a larger area of filter cores or more filter materials, the volume of the large-sized water filter cannot be changed during back flushing, the distance between the water inlet pipe and the drain pipe is far, the water filter is filled with water to facilitate back flushing, the back flushing efficiency is ensured, water inlet and drain are needed to be carried out for many times, the back flushing speed is low, a large amount of purified water is consumed, and the cost is increased.

According to the utility model, through arranging the top cover and the second air cylinder, the problems that the filter core of the water filter or the used filter material is more, the water filter is usually provided with only one water inlet pipe, when the back flushing of the filter core is carried out, the single water inlet pipe is difficult to quickly flush the surface of the filter core in a large area, and a plurality of scrapers or cleaning brushes are additionally arranged in the water filter to clean the inner wall of the filter core, so that the structure of the water filter is complex, meanwhile, the dead angle of the scrapers or the cleaning brushes is easy to accumulate dirt, the cleaning effect is reduced, when the water-passing scrapers and the limiting plates move, the dirt on the inner wall of the filter tank can be scraped, the scrapers or the cleaning brushes are not required to be additionally arranged, the surfaces of the water-passing scrapers and the limiting plates are relatively flat, dirt is difficult to be hidden, the cleaning efficiency is ensured, and a plurality of spray heads on the bottom side of the water-passing scrapers can simultaneously spray the high-speed clean water to the surface of the filter core, and the surface of the filter core is flushed in a large area, and the back flushing efficiency is improved.

Drawings

FIG. 1 is a structural effect diagram of the present utility model;

FIG. 2 is a block diagram of the top cover of the present utility model;

FIG. 3 is a bottom view of the top cover of the present utility model;

FIG. 4 is a block diagram of a filter body of the present utility model;

FIG. 5 is a block diagram of a rotary motor according to the present utility model;

FIG. 6 is a block diagram of a vibration frame of the present utility model;

fig. 7 is a structural view of a second cylinder according to the present utility model.

Reference numerals:

1. a top cover; 101. a water-through scraping plate; 102. a first cylinder; 103. a clean water inlet pipe; 104. a spray head; 2. a filter body; 201. a sewage inlet pipe; 202. a drain pipe; 203. a waste pipe; 204. a filter tank; 205. a support frame; 3. a rotating motor; 301. a rotating frame; 302. a vibration frame; 303. a filter element; 304. a vibration spring; 305. a limit rod; 4. a second cylinder; 401. a telescopic tube; 402. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-7, the utility model discloses a backwashable water filter, which comprises a top cover 1, a filter main body 2, a rotary motor 3 and a second cylinder 4, wherein one end of the outer peripheral surface of the filter main body 2 is penetrated and welded with a waste water pipe 203, when the backwasha is performed, the waste water pipe 203 is opened, sewage is discharged through the waste water pipe 203, the upper side of the filter main body 2 is clamped with the top cover 1, the upper side of the top cover 1 is clamped with a first cylinder 102, the lower side of the first cylinder 102 is clamped with a water passing scraping plate 101, when the backwasha is performed, the first cylinder 102 drives the water passing scraping plate 101 to move downwards, the volume in the filter main body 2 is reduced, a plurality of spray heads 104 are made to be close to the surface of a filter element 303, meanwhile, the water passing scraping plate 101 scrapes dirt on the inner wall of the filter main body 2 when the filter main body moves downwards, the high-speed flowing clean water is sprayed on the surface of the filter element 303 through the plurality of spray heads 104, when the front side of the filter main body 2 is penetrated and clamped with the rotary motor 3, one side of the rotary frame 301 is clamped with the rotary frame 301, the filter element 303 is arranged on the inner side of the rotary frame 301, when the backwashaf is required, the filter main body 2 is backwashafted, the rotary motor 3 drives the rotary frame 301 to drive the rotary frame to rotate to move vertically, when the rotary frame 301 to rotate to the rotary frame to rotate, the rotary frame to rotate to the filter element, when the filter 2 is required, the filter 2 is further rotated, and the filter cylinder 402 is further required to rotate, and the filter main body 4, and when the filter 2 is further required to be clamped to rotate, and rotated, and further to be clamped to rotate, and further to be clamped to the filter cylinder 4.

As shown in fig. 1-3, a water-passing scraper 101 is inserted into the lower side of the top cover 1 in a penetrating manner, a clear water inlet pipe 103 is welded on the upper side of the water-passing scraper 101 in a penetrating manner, the upper part of the clear water inlet pipe 103 movably penetrates through the top cover 1 and protrudes out of the upper end of the top cover 1, a plurality of spray heads 104 are connected with the bottom end of the water-passing scraper 101 in a penetrating manner, and the inner sides of the spray heads 104 are communicated with the clear water inlet pipe 103 in a penetrating manner through the water-passing scraper 101;

when the filter element 303 needs to be cleaned, the first cylinder 102 drives the water-passing scraping plate 101 to move downwards, the inner volume of the filter main body 2 is reduced, dirt on the inner wall of the filter main body 2 is scraped, the distance between the spray nozzle 104 and the filter element 303 is shortened, and the high-pressure water pump pumps clean water into the inner side of the water-passing scraping plate 101 through the clean water inlet pipe 103 and sprays the clean water out through the spray nozzles 104, so that high-speed water flows are washed on the surface of the filter element 303 in a short distance and large area.

As shown in fig. 1, 4, 5 and 6, a filter tank 204 is formed on the upper side of a filter main body 2, a supporting frame 205 is welded and fixed around the bottom end of the filter main body 2, a sewage inlet pipe 201 is welded and penetrated through the upper end of one side of the filter main body 2, a drain pipe 202 is welded and penetrated by the lower end of the other side of the filter main body 2, a waste pipe 203 is positioned on the upper side of the drain pipe 202, the waste pipe 203 is positioned on the lower side of a rotating frame 301, the rotating frame 301 is positioned on the inner side of the filter tank 204, a vibrating frame 302 is clamped on the inner side of the rotating frame 301 in a sliding manner, a filter element 303 is clamped on the upper end of the vibrating frame 302 in a penetrating manner, vibrating springs 304 are clamped on the two ends of the upper side of the vibrating frame 302, limiting rods 305 are fixedly clamped on the two ends of the upper side of the vibrating frame 302, the limiting rods 305 are positioned on the inner side of the vibrating springs 304, and the upper end of the vibrating springs 304 are clamped on the inner side of the rotating frame 301.

When water is filtered, water to be treated enters the inner side of the filter tank 204 through the sewage inlet pipe 201, is filtered through the filter element 303, filtered water is discharged through the drain pipe 202, when the water is backwashed, the sewage inlet pipe 201 and the drain pipe 202 are closed, the waste water pipe 203 is opened, the rotating motor 3 drives the rotating frame 301 to rotate a certain angle in the vertical direction, the spray head 104 sprays clean water into the inner side of the filter tank 204 for flushing, dirt scraped by the water scraper 101 and the limiting plate 402 is discharged through the waste water pipe 203, the rotating motor 3 drives the rotating frame 301 to rotate again, the filter element 303 is positioned on the upper side of the vibrating spring 304, the periphery of the rotating frame 301 is attached to the inner wall of the filter tank 204, the water flow can backwashed the filter element 303, the vibrating frame 302 slides downwards due to acting force generated by the water flow, the vibrating frame 302 and the filter element 303 vibrate up and down through the limiting rod 305 and the vibrating spring 304, impurities blocked in the filter element 303 are discharged through the waste water pipe 203.

As shown in fig. 1 and 7, the upper side of the second cylinder 4 is slidably clamped with a telescopic tube 401, a limiting plate 402 is clamped on the upper side of the telescopic tube 401, the telescopic tube 401 is inserted into the bottom end of the filter main body 2 in a penetrating manner, and the limiting plate 402 is positioned at the bottom end of the inner side of the filter tank 204;

when back flushing is needed, the second air cylinder 4 drives the telescopic pipe 401 to stretch, so that the limiting plate 402 moves upwards until one end is attached to the lower side of the waste water pipe 203, the volume in the filter main body 2 is reduced, and dirt on the inner wall of the filter tank 204 is scraped.

The working principle of the embodiment is as follows: when water is filtered, water to be treated enters the inner side of the filter tank 204 through the sewage inlet pipe 201, the water is filtered through the filter element 303, filtered water is discharged through the drain pipe 202, the sewage inlet pipe 201 and the drain pipe 202 are closed, the waste water pipe 203 is opened, the rotating motor 3 drives the rotating frame 301 to rotate a certain angle in the vertical direction, the first cylinder 102 drives the water passing scraper 101 to move downwards, the inner volume of the filter main body 2 is reduced, dirt on the inner wall of the filter main body 2 is scraped, the distance between the spray head 104 and the filter element 303 is shortened, the second cylinder 4 drives the telescopic pipe 401 to stretch, the limiting plate 402 moves upwards until one end is attached to the lower side of the waste water pipe 203, the volume in the filter main body 2 is reduced, dirt on the inner wall of the filter tank 204 is scraped, the high-pressure water pump pumps the inner side of the water passing scraper 101 through the clean water inlet pipe 103, the dirt scraped by the water passing through the plurality of spray heads 104 is sprayed out, the dirt scraped by the water passing scraper 101 and the limiting plate 402 is discharged through the waste water pipe 203, the rotating motor 3 drives the rotating frame 301 again to rotate the rotating frame 301 to enable the filter element 303 to be located on the upper side of the vibrating spring 304, the rotating frame 301 is attached to the inner wall of the filter main body 2, the filter element 204 is attached to one end is attached to the lower side of the filter element 203, the filter element is washed by the vibrating frame is blown down by the vibrating frame, the vibrating frame is blown down by the vibrating frame is attached to the filter element 303, and the filter element is blown down by the vibrating the filter element is attached to the filter element 303, and the filter element is blown down by vibration device is attached to the filter element and has a large end large filter element.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims (6)

1. The utility model provides a but water filter of back flush, includes top cap (1), filter main part (2), rotation motor (3) and second cylinder (4), its characterized in that: the utility model discloses a filter, including filter main part (2), filter main part (2) outer peripheral face one end runs through the welding has waste pipe (203), filter main part (2) upside joint has top cap (1), top cap (1) upside joint has first cylinder (102), first cylinder (102) downside slip joint has logical water scraper blade (101), filter main part (2) front side runs through the joint has rotating motor (3), rotating motor (3) one side joint has rotating turret (301), rotating turret (301) inboard is provided with filter core (303), filter main part (2) bottom joint has second cylinder (4), second cylinder (4) upside is provided with limiting plate (402).

2. A backwashable water filter according to claim 1, wherein: the utility model discloses a water scraper blade (101) is run through and is pegged graft in top cap (1) downside, it has clear water inlet tube (103) to run through the welding to lead to water scraper blade (101) upside, clear water inlet tube (103) upper portion activity runs through top cap (1) and outstanding in top cap (1) upper end, it has a plurality of shower nozzles (104) to run through the joint to lead to water scraper blade (101) bottom, shower nozzle (104) inboard and clear water inlet tube (103) run through the intercommunication through leading to water scraper blade (101).

3. A backwashable water filter according to claim 1, wherein: the filter is characterized in that a filter tank (204) is formed in the upper side of the filter main body (2), a supporting frame (205) is welded and fixed to the periphery of the bottom end of the filter main body (2), a sewage inlet pipe (201) is welded through the upper end of one side of the filter main body (2), a drain pipe (202) is welded through the lower end of the other side of the filter main body (2), a waste pipe (203) is located on the upper side of the drain pipe (202), and the waste pipe (203) is located on the lower side of the rotating frame (301).

4. A backwashable water filter according to claim 3, wherein: the filter is characterized in that the rotating frame (301) is positioned at the inner side of the filter tank (204), the vibrating frame (302) is slidably clamped at the inner side of the rotating frame (301), and the filter element (303) is penetrated and clamped at the upper end of the vibrating frame (302).

5. A backwashable water filter according to claim 4, wherein: vibration spring (304) are clamped at two ends of the upper side of vibration frame (302), limiting rods (305) are clamped and fixed at two ends of the upper side of vibration frame (302), limiting rods (305) are located on the inner side of vibration spring (304), and the upper ends of vibration spring (304) are clamped on the inner side of rotating frame (301).

6. A backwashable water filter according to claim 3, wherein: the telescopic pipe (401) is slidably clamped on the upper side of the second air cylinder (4), the limiting plate (402) is clamped on the upper side of the telescopic pipe (401), the telescopic pipe (401) is inserted into the bottom end of the filter main body (2) in a penetrating mode, and the limiting plate (402) is located at the bottom end of the inner side of the filter tank (204).

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