CN216320339U

CN216320339U - Filter for secondary concentrated water recovery device

Info

Publication number: CN216320339U
Application number: CN202122997427.1U
Authority: CN
Inventors: 张海涛; 许刚; 赵丽娜; 朱玥; 靳路成; 申庆飞; 申峰; 郭东海; 刘宇峰; 李捷; 韩甜甜
Original assignee: Henan Billions Advanced Material Co Ltd
Current assignee: Henan Billions Advanced Material Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a filter for a secondary concentrated water recovery device in the technical field of engineering machinery, which comprises a self-cleaning filter, wherein the bottom of a filter cylinder of the self-cleaning filter is provided with a water inlet and a drain outlet I; the self-cleaning assembly comprises a speed reduction motor, a rotating shaft, a first cleaning brush and a second cleaning brush which are matched, wherein the first cleaning brush is in contact with the outer surface of the filter cylinder, and the second cleaning brush is in contact with the inner surface of the filter cylinder. The components of the utility model are mutually matched to pretreat the inlet water of the secondary concentrated water recovery device, so that larger impurities in the secondary concentrated water are filtered out in advance, the inlet water quality of the secondary concentrated water recovery device is improved, the gear motor is mutually matched with the first cleaning brush, the second cleaning brush and the differential pressure switch, the inside and the outside of the filter cylinder can be effectively cleaned in time, the filtering effect and the efficiency are improved, the integral practicability is strong, and the application range is wider.

Description

Filter for secondary concentrated water recovery device

Technical Field

The utility model relates to the technical field of filters, in particular to a filter for a secondary concentrated water recovery device.

Background

In the production process of titanium dioxide, the quality of inlet water of a primary-stage water secondary concentrated water recovery device is poor, and a large amount of micro suspended particles, colloids, microorganisms and the like exist in the water, so that the secondary concentrated water recovery security filter element is always polluted and blocked, and impurities in the water can be brought into a reverse osmosis membrane to cause damage to the membrane element, and brings certain economic loss, so a filter is often added before the secondary concentrated water recovery device enters water, the inlet water of the secondary concentrated water recovery device is pretreated in advance before entering the cartridge filter, larger impurities in the secondary concentrated water are filtered out in advance, the inlet water quality of the secondary concentrated water recovery device is improved, but in the prior art, in the operation process of the filter, pollutants in water are gradually deposited on a filter screen inside the filter and cause the filter screen to be blocked, so that the water inlet pressure is increased, the water yield is reduced, and the filtering effect is deteriorated. Traditional filter does not have the self-cleaning function, need shut down and dismantle the manual cleaning of back to the filter screen, installs again after the washing, and the maintenance of equipment is not only loaded down with trivial details, and is long, inefficient moreover.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a filter for a secondary concentrated water recovery device, which comprises a self-cleaning filter, wherein the self-cleaning filter comprises a filter shell and a filter cylinder, the bottom of the filter cylinder is fixed in the filter shell through a fixing piece, the bottom of the filter cylinder is provided with a water inlet and a first sewage discharge outlet, the filter cylinder is made of a stainless steel wedge-shaped net, the filter shell is provided with a water outlet and a second sewage discharge outlet, and a self-cleaning assembly is also arranged in the filter shell;

the self-cleaning assembly comprises a speed reduction motor, a rotating shaft, a first cleaning brush and a second cleaning brush, the speed reduction motor is fixed to the top of the filter shell, the upper end of the rotating shaft is connected with an output shaft of the speed reduction motor, the lower end of the rotating shaft penetrates through the filter shell and then extends into the filter cylinder, the upper end of the first cleaning brush is connected with the rotating shaft outside the filter cylinder through a first connecting piece, the first cleaning brush is in contact with the outer surface of the filter cylinder, the upper end of the second cleaning brush is connected with the rotating shaft in the filter cylinder through a second connecting piece, the second cleaning brush is in contact with the inner surface of the filter cylinder, and the first cleaning brush and the second cleaning brush are stainless steel brushes or rubber plate brushes.

Preferably, the first cleaning brushes and the second cleaning brushes are uniformly distributed in a staggered manner along the circumferential direction of the cylindrical side wall of the filter cylinder. The arrangement ensures that the first cleaning brush and the second cleaning brush cannot influence the cleaning effect due to superposition, and can improve the efficiency and the effect of cleaning the inside and the outside of the filter cylinder.

Preferably, the connecting piece comprises a horizontal pipe and an electric push rod, one end of the horizontal pipe is fixedly connected with the outer wall of the rotating shaft, the electric push rod is fixed in the horizontal pipe, the telescopic end of the electric push rod extends out of the horizontal pipe and is fixedly connected with the top of the first cleaning brush, the fixed end of the electric push rod is connected with a wire, and the wire penetrates through the rotating shaft and is connected with a conductive sliding ring on the rotating shaft outside the filtering cylinder shell. When the cleaning brush is abraded, the electric push rod is properly contracted to ensure that the cleaning brush is reliably contacted with the outer surface of the filter cylinder, and the electric push rod can normally work when the rotating shaft rotates due to the arrangement of the conductive slip ring.

Preferably, connecting piece two is including the stand pipe and the connecting rod that the level set up, stand pipe and axis of rotation fixed connection are equipped with horizontally direction recess on the inner wall of stand pipe, the connecting rod is located the stand pipe, and the one end of connecting rod stretches out behind the stand pipe with two fixed connection of brush cleaner, the other end fixedly connected with compression spring of connecting rod, compression spring and axis of rotation fixed connection still are fixed with the slider on the lateral wall of connecting rod, the slider slides and sets up in the direction recess that corresponds. The second cleaning brush is arranged under the extrusion of the compression spring to ensure the reliable contact with the inner surface of the filter cylinder, and when the second cleaning brush is worn, the second cleaning brush can also keep the reliable contact with the inner surface of the filter cylinder under the action of the compression spring, so that the cleaning effect is improved; the arrangement of the guide pipe, the guide groove and the sliding block ensures that the connecting rod does not deviate when rotating along with the rotating shaft, and ensures the cleaning effect of the second cleaning brush.

Preferably, the second connecting piece is provided with two connecting pieces which are respectively positioned at the upper end and the lower end of the second cleaning brush, so that the stability of the second cleaning brush is improved, and the second cleaning brush is reliably contacted with the inner surface of the filter cylinder.

Preferably, the number of the first cleaning brush and the second cleaning brush is not less than two, so that the cleaning effect and efficiency are ensured.

Preferably, the top of the filter shell is provided with a detachable top cover through a flange, and the speed reduction motor is fixed on the top cover. The top cover can be detachably arranged, and maintenance of components in the filter shell is facilitated.

Preferably, the first sewage draining port and the second sewage draining port are both provided with electric sewage draining valves, the filter shell is further provided with a differential pressure switch, two ends of the differential pressure switch are respectively arranged at the water inlet and the water outlet, the differential pressure switch is connected with a controller, and the controller is connected with the speed reducing motor, the differential pressure switch and the electric sewage draining valves through control signal lines. The automatic degree is improved to this department setting, can be timely to straining a section of thick bamboo and clear up.

The utility model also comprises other components which can enable the filter for the secondary concentrated water recovery device to be normally used, such as a control component of an electric push rod, a control component of a speed reducing motor, a control component of a differential pressure switch, a control component of an electric blowdown valve and the like, which are conventional technical means in the field. In addition, the devices or components which are not limited in the utility model all adopt the conventional technical means in the field, and for example, the electric push rod, the speed reducing motor, the differential pressure switch, the electric blow-down valve, the conductive slip ring, the controller and the like are all the conventional technical means or equipment in the field.

The working principle of the utility model is that before entering the recovery device, the secondary concentrated water is pretreated by a self-cleaning filter to filter out larger impurities in the secondary concentrated water, when the recovery device works, the secondary concentrated water enters a filter cylinder from a water inlet, filth is filtered by a stainless steel wedge-shaped net, the filtered water flows out from a water outlet, when the filth is gathered too much, the filtration is not smooth, the pressure of a cavity in a filter shell rises, when the pressure difference value of the inlet water and the outlet water reaches a certain value (preset), a pressure difference switch sends a signal to a controller, the controller starts a speed reduction motor to drive a first cleaning brush and a second cleaning brush to rotate to brush out the filth impurities, and simultaneously, an electric blow-down valve is opened to discharge the filth in the filter cylinder and outside the filter cylinder, thereby ensuring the filtering effect and the efficiency of the filter and ensuring the good quality of the secondary concentrated water recovery inlet.

The utility model has the advantages that the structure is reasonable, the components are matched with each other, the pretreatment is carried out before the secondary concentrated water recovery device enters water, larger impurities in the secondary concentrated water are filtered out in advance, the water quality of the secondary concentrated water recovery device entering water is improved, the speed reduction motor is matched with the first cleaning brush, the second cleaning brush and the differential pressure switch, the inside and the outside of the filter cylinder can be effectively cleaned in time, the filtering effect and the efficiency are improved, the filter does not need to be disassembled, the integral practicability is strong, the filter can be used for filtering under different scenes, and the application range is wider.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

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

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a view from the direction C-C of FIG. 1;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a diagram showing the state of use of the filter in the embodiment.

In the figure: 1. the cleaning device comprises a filter shell, a top cover, a speed reducing motor, a filter cartridge, a rotating shaft, a conductive slip ring, a horizontal pipe, an electric push rod, a cleaning brush I, a cleaning brush II, a water inlet, a cleaning outlet I, a cleaning outlet 13, a water outlet 14, electric wires, a guide pipe 15, a guide pipe 16, a guide groove 17, a connecting rod 18, a sliding block 19, a compression spring, a cleaning outlet II, a cleaning outlet 21, a self-cleaning filter 22, an SP3 filter 23, a security filter 24 and a reverse osmosis system.

Detailed Description

The present invention will be described more clearly with reference to the accompanying drawings, which are included to illustrate and not to limit the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.

Examples

As shown in fig. 1-5, the utility model provides a filter for a secondary concentrated water recovery device, which comprises a self-cleaning filter 21, wherein the self-cleaning filter comprises a filter shell 1 and a filter cartridge 4, the bottom of the filter cartridge 4 is fixed in the filter shell 1 through a fixing piece, the bottom of the filter cartridge 4 is provided with a water inlet 11 and a first sewage outlet 12, the filter cartridge 4 is made of a stainless steel wedge-shaped net, the filter shell 1 is provided with a water outlet 13 and a second sewage outlet 20, and a self-cleaning assembly is further arranged in the filter shell 1;

the self-cleaning assembly comprises a speed reduction motor 3, a rotating shaft 5, a first cleaning brush 9 and a second cleaning brush 10, the speed reduction motor 3 is fixed at the top of the filter shell 1, the upper end of the rotating shaft 5 is connected with an output shaft of the speed reduction motor 3, the lower end of the rotating shaft 5 penetrates through the filter shell 1 and then extends into the filter cylinder 4, the upper end of the first cleaning brush 9 is connected with the rotating shaft 5 outside the filter cylinder 4 through a first connecting piece, the first cleaning brush 9 is in contact with the outer surface of the filter cylinder 4, the upper end of the second cleaning brush 10 is connected with the rotating shaft 5 inside the filter cylinder 4 through a second connecting piece, the second cleaning brush 10 is in contact with the inner surface of the filter cylinder 4, and the first cleaning brush 9 and the second cleaning brush 10 are stainless steel brushes or rubber plate brushes.

The first sweeping brushes 9 and the second sweeping brushes 10 are uniformly distributed in a staggered manner along the circumferential direction of the cylindrical side wall of the filter cylinder 4. The arrangement ensures that the first cleaning brush 9 and the second cleaning brush 10 do not influence the cleaning effect due to superposition, and simultaneously can improve the efficiency and the effect of cleaning the inside and the outside of the filter cylinder 4.

The connecting piece includes horizontal pipe 7 and electric putter 8, the one end and the axis of rotation 5 fixed connection of horizontal pipe 7, electric putter 8 is fixed in horizontal pipe 7, electric putter 8's flexible end stretch out from horizontal pipe 7 and with the top fixed connection of a cleaning brush 9, horizontal pipe and electric putter's flexible end department are equipped with sealed bearing, avoid liquid to get into horizontal pipe 7 and influence electric putter 8, horizontal pipe 7 plays the effect of protection electric putter 8, electric putter 8's stiff end connection electric wire 14, electric wire 14 passes and is connected with the electrically conductive sliding ring 6 in the axis of rotation 5 outside the filter cartridge casing 1 from the axis of rotation 5. When the first cleaning brush 9 is abraded, the electric push rod 8 is properly contracted to ensure that the first cleaning brush 9 is reliably contacted with the outer surface of the filter cylinder 4, and the electric push rod 8 can normally work when the rotating shaft 5 rotates due to the arrangement of the conductive sliding ring 6.

Connecting piece two is including the stand pipe 15 and the connecting rod 17 that the level set up, stand

pipe

15 and 5 fixed connection of axis of rotation are equipped with horizontally direction recess 16 on the inner wall of stand pipe 15, connecting rod 17 is located stand pipe 15, and behind the stand pipe 15, two 10 fixed connection with the brush cleaner are stretched out to the one end of connecting rod 17, and the other end fixedly connected with compression spring 19 of connecting rod 17,

compression spring

19 and 5 fixed connection of axis of rotation still are fixed with slider 18 on the lateral wall of connecting rod 17, slider 18 slides and sets up in the direction recess 16 that corresponds. The cleaning brush II 10 is arranged under the extrusion of the compression spring 19 to ensure the reliable contact with the inner surface of the filter cylinder 4, and when the cleaning brush II 10 is worn, the cleaning brush II can also keep the reliable contact with the inner surface of the filter cylinder 4 under the action of the compression spring 19, so that the cleaning effect is improved; the arrangement of the guide tube 15, the guide groove 16 and the slide block 18 ensures that the connecting rod 17 does not deviate when rotating along with the rotating shaft 5, and ensures the cleaning effect of the second cleaning brush 10.

The two connecting pieces are respectively positioned at the upper end and the lower end of the second cleaning brush 10, so that the stability of the second cleaning brush 10 is improved, and the second cleaning brush 10 is reliably contacted with the inner surface of the filter cylinder 4.

The number of the first cleaning brush 9 and the second cleaning brush 10 is not less than two, so that the cleaning effect and efficiency are ensured.

The top of the filter shell body 1 is provided with a detachable top cover 2 through a flange, the speed reduction motor 3 is fixed on the top cover 2, and the top cover 2 can be detachably arranged, so that maintenance of parts in the filter shell body 1 is facilitated.

Electric blow-down valves are arranged at the first sewage outlet 12 and the second sewage outlet 20, a differential pressure switch is further arranged on the filter shell 1, two ends of the differential pressure switch are respectively arranged at the water inlet 11 and the water outlet 13, the differential pressure switch is connected with a controller, and the controller is connected with the speed reduction motor 3, the differential pressure switch and the electric blow-down valves through control signal lines. The arrangement improves the automation degree, and the filter cartridge 4 can be cleaned in time.

When the self-cleaning filter is in work, the self-cleaning filter is connected with a recovery device, the recovery device comprises an SP3 filter 22, a security filter 23 and a reverse osmosis system 24 which are connected in sequence, before secondary concentrated water enters the recovery device, the secondary concentrated water is pretreated by the self-cleaning filter to filter out larger impurities in the secondary concentrated water, when the secondary concentrated water works in detail, the secondary concentrated water enters a filter cartridge 4 from a water inlet 11, filth is filtered by a stainless steel wedge-shaped net, the filtered water flows out from a water outlet 13 and then sequentially enters the SP3 filter 22, the security filter 23 and the reverse osmosis system 24 to be recovered, when the filth is excessively accumulated in the self-cleaning filter, the filtering is not smooth, the pressure of a cavity in a filter shell 1 rises, when the pressure difference value of the inlet water and the outlet water reaches a certain value (preset), a differential pressure switch sends a signal to a controller, the controller starts a speed reducing motor 3 to drive a first cleaning brush 9 and a second cleaning brush 10 to rotationally brush away filth impurities, meanwhile, the electric blow-down valve is opened to discharge dirt in the filter cylinder 4 and outside the filter cylinder, so that the filtering effect and efficiency of the filter are ensured, secondary concentrated water pretreated by the self-cleaning filter is sequentially recovered by the SP3 filter, the security filter and the reverse osmosis system, so that the secondary concentrated water is recovered and fed with good quality, the water inlet quality of the secondary concentrated water recovery device is improved, the service lives of a filter element of the security filter and a reverse osmosis membrane element are greatly prolonged, and certain economic cost is saved.

Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter for a secondary concentrated water recovery device comprises a self-cleaning filter, wherein the self-cleaning filter comprises a filter shell and a filter cartridge, and is characterized in that: the bottom of the filter cylinder is fixed in the filter shell through a fixing piece, the bottom of the filter cylinder is provided with a water inlet and a first sewage outlet, the filter shell is provided with a water outlet and a second sewage outlet, and the filter shell is also internally provided with a self-cleaning assembly;

the self-cleaning assembly comprises a speed reduction motor, a rotating shaft, a first cleaning brush and a second cleaning brush, the speed reduction motor is fixed to the top of the filter shell, the upper end of the rotating shaft is connected with an output shaft of the speed reduction motor, the lower end of the rotating shaft penetrates through the filter shell and then extends into the filter cylinder, the upper end of the first cleaning brush is connected with the rotating shaft outside the filter cylinder through a first connecting piece, the first cleaning brush is in contact with the outer surface of the filter cylinder, the upper end of the second cleaning brush is connected with the rotating shaft in the filter cylinder through a second connecting piece, and the second cleaning brush is in contact with the inner surface of the filter cylinder.

2. The filter for a secondary concentrated water recovery device according to claim 1, wherein: the first cleaning brush and the second cleaning brush are uniformly distributed in a staggered mode along the circumferential direction of the cylindrical side wall of the filter cylinder.

3. The filter for a secondary concentrated water recovery device according to claim 1, wherein: the connecting piece includes horizontal pipe and electric putter, the one end of horizontal pipe and the outer wall fixed connection of axis of rotation, electric putter fixes in the horizontal pipe, electric putter's flexible end stretches out and with the top fixed connection of cleaning brush one from the horizontal pipe, electric putter's stiff end connection electric wire, the electric wire passes and is connected with the epaxial electrically conductive sliding ring of rotating outside the filter cartridge shell from the axis of rotation.

4. The filter for a secondary concentrated water recovery device according to claim 1, wherein: the second connecting piece comprises a guide pipe and a connecting rod, the guide pipe is horizontally arranged, the guide pipe is fixedly connected with the rotating shaft, a horizontal guide groove is formed in the inner wall of the guide pipe, the connecting rod is located in the guide pipe, one end of the connecting rod extends out of the guide pipe and then is fixedly connected with the second cleaning brush, a compression spring is fixedly connected with the other end of the connecting rod, the compression spring is fixedly connected with the rotating shaft, a sliding block is further fixed on the side wall of the connecting rod, and the sliding block is arranged in the corresponding guide groove in a sliding mode.

5. The filter for a secondary concentrated water recovery device according to claim 4, wherein: and the two connecting pieces are respectively positioned at the upper end and the lower end of the second cleaning brush.

6. The filter for a secondary concentrated water recovery device according to claim 1, wherein: the number of the first cleaning brush and the second cleaning brush is not less than two.

7. The filter for a secondary concentrated water recovery device according to claim 1, wherein: the top of the filter shell is provided with a detachable top cover through a flange, and the speed reduction motor is fixed on the top cover.

8. A filter for a secondary concentrated water recovering apparatus according to any one of claims 1 to 7, wherein: the filter comprises a filter shell, a first sewage draining port and a second sewage draining port, wherein the first sewage draining port and the second sewage draining port are both provided with electric sewage draining valves, the filter shell is further provided with a differential pressure switch, two ends of the differential pressure switch are respectively arranged at a water inlet and a water outlet, the differential pressure switch is connected with a controller, and the controller is connected with a speed reducing motor, the differential pressure switch and the electric sewage draining valves through control signal lines.