CN220939313U - High-pressure back flushing filter - Google Patents

Abstract

The utility model discloses a high-pressure backwash filter, which relates to the technology of a filtering device and comprises a bracket, wherein a filter box is arranged on the bracket, a guide pipe and a filter screen are arranged on the filter box through a connecting flange, a sewage pipe is further arranged on the filter box, a hairbrush is arranged in the filter box through a screw rod and a sliding rail, a sewage pipe is further arranged at the bottom of the filter box, a scraping plate is arranged on the connecting flange through a rotating rack, a gear is arranged at the tail end of the bottom of the screw rod through a rotating shaft, and the gear is meshed with the rotating rack. According to the utility model, the filter device is conveniently opened under the action of the cover plate, and the filter screen is conveniently replaced due to the threaded connection of the filter screen and the connecting flange, so that the condition that the filtering quality is affected due to insufficient cleaning is realized, the filtering quality of the filter box is further ensured, and the impurities scraped by the brush can be scraped under the action of the scraper plate, so that the impurities are conveniently discharged through the drain pipe, and the use quality of the filter box is ensured.

Description

High-pressure back flushing filter

Technical Field

The utility model relates to the technical field of filtering devices, in particular to a high-pressure back flushing filter.

Background

The back flush filter is a precise device which uses a filter screen to directly intercept impurities in water, remove suspended matters and particles in the water, reduce turbidity, purify water quality, reduce system dirt, bacteria and algae, rust and the like, so as to purify water quality and protect other devices of the system, and the fully-automatic back flush filter overcomes the defects of small sewage containing amount, easy blockage by dirt, disassembly and cleaning of a filtering part, incapability of monitoring the state of the filter and the like of the traditional filtering product.

In the patent of the utility model with the publication number of CN217661866U, a backwash filter for heat supply engineering is disclosed, which comprises a filter cartridge, wherein the tail end of the filter cartridge is fixedly communicated with a drain pipe, the tail end of the drain pipe is detachably and fixedly provided with an end plate, and one side wall of the drain pipe is fixedly provided with a water pressure sensor; the filter screen is fixedly arranged at the bottom of the inner cavity of the filter cylinder. According to the utility model, the annular pipe can be driven to lift through the electric push rod, meanwhile, when the filter is backwashed and cleaned, the liquid pump pumps flushing liquid into the annular pipe, and then the spray head is used for flushing the filter screen, so that backwashing and cleaning are achieved, flushing is guaranteed thoroughly, meanwhile, the end plate is opened, so that flushing impurities can be led out along the sewage pipe, manual cleaning by workers is not needed, thus the operation efficiency is improved, the fatigue strength of the workers is reduced, and the filter is more practical and is suitable for wide popularization and use.

The device is in the in-service use, can't change the filter screen after long-time use, only utilizes abluent mode can't guarantee the filtration quality after the filter screen used for a long time, and above-mentioned device lacks the processing function to scraping impurity after separating in addition, needs longer time just can discharge from the rose box, and then has influenced the availability factor of rose box.

Disclosure of utility model

The utility model aims to provide a high-pressure backwash filter so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a high-pressure backwash filter, includes the support, be provided with the rose box on the support, the rose box bottom is provided with flange, and the bottom goes out the water end on the flange and is provided with the pipe, still be provided with the filter screen through threaded connection on the flange, still be provided with the sewer pipe on the rose box, still be provided with two fixed plates about on the rose box inner wall, rotate on the left side fixed plate and be provided with the screw rod, be provided with the slide rail on the right side fixed plate, be provided with the brush through the sliding plate on the slide rail, the inboard end of brush contacts with the filter screen surface, the screw rod runs through the left side the fixed plate and with left side fixed plate threaded connection, the rose box bottom still is provided with the blow off pipe, be located the inside rotation rack that still rotates of rose box on the flange outer wall, the screw rod bottom plate end runs through the fixed plate and with fixed plate threaded connection, still be provided with the pivot through the key connection in the pivot, gear and rotate intermeshing with the rack, still be provided with the scraper blade on the rotation rack.

As a further scheme of the utility model: the top of the filter box is also provided with a motor, and a power output shaft of the motor is connected with the screw rod through a coupler.

As still further aspects of the utility model: the top of the filter box is also provided with a cover plate through threaded connection.

As still further aspects of the utility model: the top of the cover plate is also provided with a handle.

As still further aspects of the utility model: the conduit is provided with a first valve.

As still further aspects of the utility model: and a second valve is arranged on the blow-down pipe.

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

1. Under the effect of the cover plate, the filter device is conveniently opened, and the filter screen is conveniently replaced due to the threaded connection of the filter screen and the connecting flange, so that the occurrence of poor use efficiency of the filter screen after long-time flushing is reduced to the extent of movement, and the filtering quality of the filter box is further ensured;

2. Under the effect of scraper blade, can scrape the impurity that the brush was scraped to the convenience passes through the blow off pipe with the impurity and discharges, reduced to a certain extent to impurity treatment time overlength and need the condition emergence of rose box availability factor, under the effect of brush, make the device obtain promoting to the quality of filter screen outside surface impurity treatment.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic bottom view of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of the interior of the filter box according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a connecting flange according to an embodiment of the present utility model.

Reference numerals annotate: 1. a bracket; 2. a filter box; 3. a connecting flange; 4. a conduit; 401. a first valve; 5. a blow-down pipe; 501. a second valve; 6. a fixing plate; 7. a screw; 701. a motor; 8. a slide rail; 9. a brush; 10. a filter screen; 11. a cover plate; 1101. a handle; 12. a rotating shaft; 13. a gear; 14. rotating the rack; 15. a scraper; 16. a sewage pipe.

Detailed Description

The present utility model will be described in detail below with reference to the drawings, in which like or identical parts are given the same reference numerals, and in which the shape, thickness or height of each component may be enlarged or reduced in practical use. The examples set forth herein are intended to be illustrative of the utility model and are not intended to limit the scope of the utility model. Any obvious modifications or alterations to the utility model, as would be apparent, are made without departing from the spirit and scope of the present utility model.

Examples

Referring to fig. 1 to 4, in the embodiment of the utility model, a high-pressure backwash filter comprises a bracket 1, a filter tank 2 is arranged on the bracket 1, a connecting flange 3 is arranged at the bottom of the filter tank 2, a guide pipe 4 is arranged at the water outlet end of the upper bottom of the connecting flange 3, a first valve 401 is arranged on the guide pipe 4, a filter screen 10 is further arranged on the connecting flange 3 through threaded connection, a sewage pipe 16 is further arranged on the filter tank 2, when sewage is required to be treated, the sewage can be led into the filter tank 2 through the sewage pipe 16 at the moment, water filtered by the filter screen 10 can be discharged by opening the first valve 401, a cover plate 11 is further arranged at the top of the filter tank 2 through threaded connection, and under the action of disassembling the cover plate 11, workers can conveniently replace the filter screen 10, so that the use efficiency of the filter screen 10 is ensured, a handle 1101 is further arranged at the top of the cover plate 11, and the disassembly of the cover plate 11 is facilitated through the handle 1101.

The filter box 2 is characterized in that the inner wall of the filter box 2 is further provided with a left fixing plate 6 and a right fixing plate 6, a screw rod 7 is arranged on the left fixing plate 6 in a rotating mode, a motor 701 is further arranged at the top of the filter box 2, a power output shaft of the motor 701 is connected with the screw rod 7 through a coupler, the screw rod 7 can be driven to rotate through the motor 701, a sliding rail 8 is arranged on the right fixing plate 6, a brush 9 is arranged on the sliding rail 8 through a sliding plate, the inner end of the brush 9 is in surface contact with a filter screen 10, after the filter box 2 is used for a long time, a worker can connect a guide pipe 4 with a water source through a water pump, water is then discharged into the filter box 2 through the guide pipe 4 by the water pump, impurities attached to the outer wall of the filter screen 10 can be washed by the water due to the high pressure effect, the use efficiency of the filter screen 10 is further guaranteed, meanwhile, the motor 701 is started to drive the screw rod 7 to rotate, the filter screen 10 on the side wall of the brush 9 is moved, the brush 9 can separate impurities on the filter screen 10, the filter screen 10 can be cleaned better, and the use efficiency of the filter screen 10 is guaranteed.

The connecting flange 3 is located the inside rotation of rose box 2 and is provided with the rotation rack 14 on the outer wall, the bottom plate end of screw rod 7 runs through fixed plate 6 and with fixed plate 6 threaded connection, screw rod 7 bottom end still is provided with pivot 12, be provided with gear 13 through the key connection in the pivot 12, gear 13 and rotation rack 14 intermeshing, utilize gear 13 to drive rotation rack 14 and rotate on flange 3 through pivot 12, still be provided with scraper blade 15 on the rotation rack 14, scraper blade 15 bottom contacts with rose box 2 below inner wall, the rose box 2 bottom still is provided with blow off pipe 5, be provided with second valve 501 on the blow off pipe 5, in-service use, after impurity on brush 9 will filter screen 10 is scraped, under the effect of gravity, can make impurity drop to rose box 2 below inner wall, at this moment under the effect of scraper blade 15, can scrape impurity to blow off pipe 5's top, at this moment under the effect of blow off pipe 5, can be with impurity and sewage discharge, thereby the availability factor of filter screen 10 has been guaranteed.

When in actual use, when sewage is required to be treated, a worker introduces the sewage to be filtered into the filter tank 2 through the sewage pipe 16, and opens the first valve 401 to enable the filtered water to be discharged through the guide pipe 4, after the filter tank 2 is used for a long time, the worker can connect the guide pipe 4 with a water source through the water pump, at the moment, the water pump introduces the water into the guide pipe 4 and then is sprayed out of the guide pipe 4, so that the water is adhered to the outer wall of the filter screen 10 to be sprayed away, the motor 701 is started to drive the screw 7 to rotate, the screw 7 drives the brush 9 to move up and down, impurities on the side wall of the filter screen 10 are scraped away, cleaning work of the filter screen 10 is completed, the service efficiency of the filter screen 10 is ensured, and meanwhile, the rotating shaft 12 drives the rotating rack 14 to rotate through the gear 13, so that the scraper 15 discharges the impurities at the bottom of the filter tank 2 through the drain pipe 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a high-pressure back flush filter, includes support (1), its characterized in that, be provided with rose box (2) on support (1), rose box (2) bottom is provided with flange (3), and flange (3) go up bottom play water end and is provided with pipe (4), still be provided with filter screen (10) through threaded connection on flange (3), still be provided with sewer pipe (16) on rose box (2), still be provided with left and right sides fixed plate (6) on rose box (2) inner wall, rotate on left side fixed plate (6) and be provided with screw rod (7), be provided with slide rail (8) on right side fixed plate (6), be provided with brush (9) on slide rail (8) through the sliding plate, the inboard end of brush (9) and filter screen (10) surface contact, screw rod (7) run through the left side fixed plate (6) and with left side fixed plate (6) threaded connection, rose box (2) bottom still is provided with sewer pipe (5), be located rose box (2) on the outer wall and rotate inside and be provided with left and control two fixed plates (6), screw rod (6) are still provided with end-to be connected with screw rod (7) and screw rod (6), the rotating shaft (12) is provided with a gear (13) through key connection, the gear (13) is meshed with the rotating rack (14), and the rotating rack (14) is also provided with a scraping plate (15).

2. The high-pressure backwash filter according to claim 1, wherein a motor (701) is further arranged at the top of the filter tank (2), and a power output shaft of the motor (701) is connected with the screw (7) through a coupling.

3. The high-pressure backwash filter according to claim 1, wherein the top of the filter tank (2) is further provided with a cover plate (11) by means of a threaded connection.

4. A high pressure backwash filter according to claim 3, characterised in that the top of the cover plate (11) is further provided with a handle (1101).

5. The high pressure backwash filter according to claim 1, wherein a first valve (401) is provided on the conduit (4).

6. The high pressure backwash filter according to claim 1, characterised in that a second valve (501) is provided on the drain pipe (5).