CN216755620U

CN216755620U - Back flush filter

Info

Publication number: CN216755620U
Application number: CN202123440706.4U
Authority: CN
Inventors: 卢楠; 王恒坤; 张建波; 徐涛; 李敬; 李山山
Original assignee: Shandong Yate Filter Material Co ltd
Current assignee: Shandong Yate Filter Material Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-17
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of filtering equipment, in particular to a backwashing filter which can effectively improve the washing effect of a filter element, enable impurities to be cleaned more thoroughly and reduce the use limitation; strain a section of thick bamboo including the filter, the multiunit filter core, including a motor, an end cap, a controller, and a cover plate, the drive lever, the clamp plate, multiunit driven lever and inner skleeve, the filter is strained a section of thick bamboo top and is installed the filter end cover through bolted connection's lid, the bottom intercommunication that the filter was strained a section of thick bamboo is provided with the blowoff valve, filter strain a section of thick bamboo left end intercommunication and be provided with the inlet tube, filter strain a section of thick bamboo right-hand member intercommunication and be provided with the outlet pipe, the filter is strained inside fixed and is provided with the shrouding, the clamp plate bottom is provided with the multiunit and docks the hole, and the drive lever passes the clamp plate through the bearing cooperation rotation, the rotation of multiunit driven lever annular equidistance is installed on the clamp plate, the fixed suit of inner skleeve is on the drive lever, be provided with the interior cleaning brush of multiunit on the circumference outer wall of inner skleeve, all be provided with the outer cleaning brush of multiunit on the circumference outer wall of multiunit driven lever.

Description

Back-flushing filter

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to a backwashing filter.

Background

The back flush filter is a high-efficient easy-to-operate automatic filtration device, and its theory of operation is, through the direct impurity that intercepts aquatic of the filter core of built-in annular arrangement, gets rid of impurity such as suspended solid, particulate matter in the water to purify quality of water and other equipment normal workings of protection system, extensively be used for fields such as metallurgy, chemical industry, petroleum, papermaking, electric power, feedwater.

The backwashing filter gradually increases suspended particles trapped in the filter element along with the extension of the filtering time, the filter element is gradually blocked, so that the pressure difference between the inner side and the outer side of the filter element gradually rises, when the set filtering time or the set pressure difference value is reached, the controller sends a backwashing instruction to control the opening of the drain valve and the closing of the water inlet pipe, the self pressure of the system is utilized to realize the one-by-one backwashing of the filter elements in the filter, and trapped substances of the filter elements are discharged out of the filter, so that the filtering function of the filter elements is recovered to the initial intact state, but the existing backwashing filter finds that some trapped substances can be clamped in gaps of the filter elements when in use, so that the washing effect of the filter elements is poor, the impurity cleaning is not thorough, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the backwashing filter which can effectively improve the washing effect of the filter element, enable the impurities to be cleaned more thoroughly and reduce the use limitation.

The utility model relates to a backwashing filter, which comprises a filter cartridge, a plurality of groups of filter elements, a motor, a driving rod, a pressure plate, a plurality of groups of driven rods and an inner sleeve, wherein the top end of the filter cartridge is provided with a filter end cover through a cover connected by bolts, the bottom end of the filter cartridge is communicated with a drain valve, the left end of the filter cartridge is communicated with a water inlet pipe, the right end of the filter cartridge is communicated with a water outlet pipe, a sealing plate is fixedly arranged in the filter cartridge, a plurality of groups of threaded through holes are annularly and equidistantly arranged on the sealing plate, a plurality of groups of filter elements are all communicated with each other and provided with threaded connecting sleeves, the plurality of groups of filter elements are detachably arranged on the sealing plate through the matching of the threaded connecting sleeves and threaded holes, the top ends of the plurality of the groups of filter elements are all fixedly provided with cylindrical insertion blocks, the motor is fixedly arranged at the top end of the filter end cover, the driving rod is rotatably arranged on the filter end cover through the connection with the output end of the motor, the clamp plate bottom is provided with the multiunit and docks the hole, the clamp plate can be through the cooperation of butt joint hole and cylinder inserted block gliding lid dress from top to bottom on the multiunit filter core, and the drive lever passes the clamp plate through bearing cooperation rotation, the rotation of multiunit driven lever annular equidistance is installed on the clamp plate, the top of multiunit driven lever all is connected with filter end cover bottom rotation, fixed cover is equipped with the transmission fluted disc on the drive lever, all fixed cover is equipped with the gear on the multiunit driven lever, and the multiunit gear all with the meshing of transmission fluted disc, the fixed suit of inner skleeve is on the drive lever, be provided with the interior cleaning brush of multiunit on the circumference outer wall of inner skleeve, all be provided with the outer cleaning brush of multiunit on the circumference outer wall of multiunit driven lever.

According to the backwashing filter, the bottom end of the filter end cover is connected with the sealing gasket.

According to the backwashing filter, the sealing sleeve is sleeved on the circumferential outer wall of the pressure plate.

According to the backwashing filter, the fastening sleeves are arranged in the multiple groups of butt-joint holes at the bottom end of the pressing plate.

According to the backwashing filter, the front end of the filter cartridge of the filter is provided with the observation window.

According to the backwashing filter, the bottom end of the filter cartridge is connected with the underframe, and four groups of universal wheels are connected and arranged at the bottom end of the underframe.

The backwashing filter further comprises a hand push handle, and the hand push handle is fixedly installed at the left end of the bottom frame.

According to the backwashing filter, the anti-skidding handle sleeve is sleeved on the circumferential outer wall of the hand push handle.

Compared with the prior art, the utility model has the beneficial effects that: firstly, when back washing is carried out, a controller sends a back washing instruction to close a water inlet pipe and open a blow-down valve, clean water starts to reversely flow into a filter element through a water outlet pipe to wash intercepted objects in the filter element and discharge the intercepted objects from the blow-down valve, meanwhile, the controller also sends an instruction to a motor to start the motor, the motor drives a driving rod to rotate, the driving rod drives an inner sleeve to rotate, one side of the filter element far away from the inner wall of the filter cartridge is scrubbed through an inner cleaning brush through the inner sleeve, meanwhile, the driving rod drives a driven rod to rotate through the meshing of a transmission fluted disc and a gear, the driven rod drives an outer cleaning brush to scrub the inner wall of the filter cartridge and one side of the filter element close to the inner wall of the filter cartridge, the inner cleaning brush and the outer cleaning brush can both extend into gaps of the filter element, and the filter element is scrubbed in a two-way through the inner cleaning brush and the outer cleaning brush, can prevent to hold back the thing card in the gap to can effectively improve the washing effect of filter core, make more thorough of impurity clearance, reduce and use the limitation.

Drawings

FIG. 1 is a schematic front side view of the present invention;

FIG. 2 is a schematic front side cross-sectional view of a filter cartridge according to the present disclosure;

FIG. 3 is a schematic view in cross-section of the upper side of a filter cartridge according to the present disclosure;

FIG. 4 is an upper side elevational view of the engagement of the drive cog with the gear wheel of the present invention;

FIG. 5 is a schematic view, partially in section, of a filter element of the present invention in abutting engagement with a pressure plate;

in the drawings, the reference numbers: 1. a filter cartridge; 2. a filter end cap; 3. a blowoff valve; 4. closing the plate; 5. a filter element; 6. a threaded connecting sleeve; 7. a cylindrical insert block; 8. a motor; 9. a driving lever; 10. pressing a plate; 11. a driven lever; 12. a transmission fluted disc; 13. a gear; 14. an inner sleeve; 15. an inner cleaning brush; 16. an outer cleaning brush; 17. a gasket; 18. sealing sleeves; 19. fastening sleeves; 20. an observation window; 21. a chassis; 22. a universal wheel; 23. a hand-push handle; 24. an anti-slip handle sleeve.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model, but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the backwash filter of the utility model comprises a filter cartridge 1, a plurality of sets of filter elements 5, a motor 8, a driving rod 9, a pressing plate 10, a plurality of sets of driven rods 11 and an inner sleeve 14, wherein the top end of the filter cartridge 1 is provided with a filter end cover 2 through a cover connected by bolts, the bottom end of the filter cartridge 1 is communicated with a blowoff valve 3, the left end of the filter cartridge 1 is communicated with a water inlet pipe, the right end of the filter cartridge 1 is communicated with a water outlet pipe, the filter cartridge 1 is internally and fixedly provided with a sealing plate 4, a plurality of sets of threaded through holes are annularly and equidistantly arranged on the sealing plate 4, the plurality of sets of filter elements 5 are communicated with a threaded connecting sleeve 6, the plurality of sets of filter elements 5 are detachably mounted on the sealing plate 4 through the matching of the threaded connecting sleeve 6 and threaded holes, the top ends of the plurality of sets of filter elements 5 are fixedly provided with cylindrical insertion blocks 7, the motor 8 is fixedly mounted at the top end of the filter end cover 2, the driving rod 9 is rotatably installed on the filter end cover 2 through connection with the output end of the motor 8, a plurality of groups of butt-joint holes are formed in the bottom end of the pressing plate 10, the pressing plate 10 is covered on a plurality of groups of filter cores 5 in a vertically sliding mode through the butt-joint holes and the cylindrical insertion blocks 7, the driving rod 9 penetrates through the pressing plate 10 in a rotating mode through matching of bearings, a plurality of groups of driven rods 11 are rotatably installed on the pressing plate 10 in an annular and equidistant mode, the top ends of the plurality of groups of driven rods 11 are rotatably connected with the bottom end of the filter end cover 2, a driving fluted disc 12 is fixedly sleeved on the driving rod 9, gears 13 are fixedly sleeved on the plurality of groups of driven rods 11, the plurality of groups of gears 13 are meshed with a driving fluted disc 12, an inner sleeve 14 is fixedly sleeved on the driving rod 9, a plurality of groups of inner cleaning brushes 15 are arranged on the circumferential outer wall of the inner sleeve 14, and a plurality of groups of outer cleaning brushes 16 are arranged on the circumferential outer wall of the plurality of groups of driven rods 11; firstly, during back flushing, the controller sends a back flushing instruction to close the water inlet pipe, the blowoff valve 3 is opened, clean water starts to reversely flow into the filter element 5 through the water outlet pipe, trapped objects in the filter element 5 are washed, the trapped objects are discharged from the blowoff valve 3, meanwhile, the controller also sends an instruction to the motor 8 to start the motor 8, the motor 8 drives the driving rod 9 to rotate, the driving rod 9 drives the inner sleeve 14 to rotate, one side of the filter element 5, far away from the inner wall of the filter cartridge 1, is scrubbed through the inner sleeve 14 and the inner cleaning brush 15, meanwhile, the driving rod 9 drives the driven rod 11 to rotate through the meshing of the transmission fluted disc 12 and the gear 13, the driven rod 11 drives the outer cleaning brush 16 to scrub the inner wall of the filter cartridge 1 and one side of the filter element 5, close to the inner wall of the filter cartridge 1, and both the inner cleaning brush 15 and the outer cleaning brush 16 can extend into gaps of the filter element 5, through two-way scrubbing of interior cleaning brush 15 and outer cleaning brush 16 to filter core 5, can prevent to hold back the thing card in the gap to can effectively improve the washing effect of filter core, make more thorough of impurity clearance, reduce and use the limitation.

According to the backwashing filter, the bottom end of the filter end cover 2 is connected with the sealing gasket 17; by providing the gasket 17, the filter end cap 2 can be more tightly fitted, and the reliability in use can be improved.

According to the backwashing filter, a sealing sleeve 18 is sleeved on the circumferential outer wall of the pressure plate 10; by arranging the sealing sleeve 18, the contact between the pressure plate 10 and the inner wall of the filter cartridge 1 can be more compact, the sealing performance between the pressure plate 10 and the inner wall of the filter cartridge 1 is further enhanced, and the use reliability is improved.

In the backwashing filter, the fastening sleeves 19 are arranged in a plurality of groups of butt holes at the bottom end of the pressure plate 10; through setting up adapter sleeve 19, can make inseparabler that cylindrical plug 7 docks, prevent not hard up, improve and use the reliability.

According to the backwash filter, the front end of a filter cartridge 1 is provided with an observation window 20; through setting up observation window 20, can be convenient for observe the inside behavior of filter cartridge 1 to in time overhaul, reduce and use the limitation.

According to the backwashing filter, the bottom end of a filter cartridge 1 is connected with a bottom frame 21, and four groups of universal wheels 22 are connected and arranged at the bottom end of the bottom frame 21; through setting up chassis 21 and universal wheel 22, can make the removal of filter cartridge 1 and the adjustment of position laborsaving convenient more, reduce the use limitation.

The backwashing filter also comprises a hand push handle 23, wherein the hand push handle 23 is fixedly arranged at the left end of the bottom frame 21; through setting up hand push handle 23, can be convenient for the pushing equipment and remove and the adjustment of position, reduce and use the limitation.

According to the backwashing filter, the anti-skidding handle sleeve 24 is sleeved on the circumferential outer wall of the hand push handle 23; through setting up antiskid handle cover 24, can effectively prevent to appear skidding the condition of taking off the hand when promoting, improve and use the reliability.

When the backwashing filter works, firstly, during backwashing, the controller sends a backwashing command to close the water inlet pipe, open the blow-down valve 3, enable clean water to reversely flow into the filter element 5 through the water outlet pipe to flush trapped objects in the filter element 5 and discharge the trapped objects from the blow-down valve 3, simultaneously, the controller also sends a command to the motor 8 to start the motor 8, the motor 8 drives the driving rod 9 to rotate, the driving rod 9 drives the inner sleeve 14 to rotate, the inner sleeve 14 brushes one side of the filter element 5, which is far away from the inner wall of the filter cartridge 1, through the inner sleeve 15, the driving rod 9 drives the driven rod 11 to rotate through the meshing of the driving fluted disc 12 and the gear 13, the driven rod 11 drives the outer cleaning brush 16 to brush one sides of the inner wall of the filter cartridge 1 and the filter element 5, which are close to the inner wall of the filter cartridge 1, the inner cleaning brush 15 and the outer cleaning brush 16 can extend into the gap of the filter element 5, the filter element 5 is brushed in two directions through the inner cleaning brush 15 and the outer cleaning brush 16, trapped objects can be prevented from being clamped in the gap, and the finally cleaned trapped objects are discharged through the drain valve 3.

The installation mode, the connection mode or the arrangement mode of the backwashing filter are common mechanical modes, and the backwashing filter can be implemented as long as the beneficial effects of the backwashing filter can be achieved; the motor of the backwashing filter is purchased from the market, and technicians in the industry only need to install and operate the motor according to the attached operating instructions.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A backwashing filter is characterized by comprising a filter cartridge (1), a plurality of groups of filter elements (5), a motor (8), a driving rod (9), a pressing plate (10), a plurality of groups of driven rods (11) and an inner sleeve (14), wherein the top end of the filter cartridge (1) is provided with a filter end cover (2) through a cover connected by bolts, the bottom end of the filter cartridge (1) is communicated with a drain valve (3), the left end of the filter cartridge (1) is communicated with a water inlet pipe, the right end of the filter cartridge (1) is communicated with a water outlet pipe, a sealing plate (4) is fixedly arranged in the filter cartridge (1), a plurality of groups of threaded through holes are arranged on the sealing plate (4) in an annular and equidistant manner, threaded connecting sleeves (6) are respectively communicated on the plurality of groups of filter elements (5), and the plurality of groups of filter elements (5) are detachably arranged on the sealing plate (4) through the matching of the threaded connecting sleeves (6) and threaded holes, the top ends of a plurality of groups of filter cores (5) are fixedly provided with cylindrical insert blocks (7), a motor (8) is fixedly arranged at the top end of a filter end cover (2), a driving rod (9) is rotatably arranged on the filter end cover (2) through connection with the output end of the motor (8), the bottom end of a pressing plate (10) is provided with a plurality of groups of butt-joint holes, the pressing plate (10) is covered on the plurality of groups of filter cores (5) through the matching of the butt-joint holes and the cylindrical insert blocks (7) and can slide up and down, the driving rod (9) is rotatably matched through a bearing and penetrates through the pressing plate (10), a plurality of groups of driven rods (11) are rotatably arranged on the pressing plate (10) in an annular equidistant manner, the top ends of the plurality of groups of driven rods (11) are rotatably connected with the bottom end of the filter end cover (2), a transmission fluted disc (12) is fixedly sleeved on the driving rod (9), gears (13) are fixedly sleeved on the plurality of groups of driven rods (11), and the plurality of groups of gears (13) are all meshed with the transmission fluted disc (12), an inner sleeve (14) is fixedly sleeved on the driving rod (9), a plurality of groups of inner cleaning brushes (15) are arranged on the circumferential outer wall of the inner sleeve (14), and a plurality of groups of outer cleaning brushes (16) are arranged on the circumferential outer wall of the plurality of groups of driven rods (11).

2. The backwashing filter of claim 1, wherein a gasket (17) is connected to the bottom end of the filter end cover (2).

3. A backflush filter according to claim 2, characterized in that the press plate (10) is provided with a sealing sleeve (18) on the circumferential outer wall.

4. A backflush filter according to claim 3, characterized in that the fastening sleeves (19) are arranged in the groups of butt holes at the bottom end of the pressure plate (10).

5. A backflush filter according to claim 4, characterized in that the front end of the filter cartridge (1) is provided with a viewing window (20).

6. The backflushing filter according to claim 5, characterized in that the bottom end of the filter cartridge (1) is connected with a chassis (21), and four groups of universal wheels (22) are connected with the bottom end of the chassis (21).

7. The backflush filter of claim 6, further comprising a handle bar (23), the handle bar (23) being fixedly mounted to the left end of the chassis (21).

8. The backwash filter as claimed in claim 7, wherein the hand push handle (23) is provided with an anti-slip handle cover (24) on the outer circumferential wall.