CN115212725A - Filter membrane recycling device and filter - Google Patents
Filter membrane recycling device and filter Download PDFInfo
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- CN115212725A CN115212725A CN202210894079.1A CN202210894079A CN115212725A CN 115212725 A CN115212725 A CN 115212725A CN 202210894079 A CN202210894079 A CN 202210894079A CN 115212725 A CN115212725 A CN 115212725A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/446—Auxiliary equipment or operation thereof controlling filtration by pressure measuring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/10—Testing of membranes or membrane apparatus; Detecting or repairing leaks
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/02—Specific tightening or locking mechanisms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a filter membrane recycling device and a filter, wherein the filter membrane recycling device comprises a filter frame, a filter membrane, a tensioning structure and a driving device, wherein the filter frame is provided with an air passage which is communicated along the vertical direction; the filtering membrane extends from front to back and from left to right and is arranged on the filtering frame; the tensioning structure comprises at least two tensioning parts, the filtering membrane is supported between the at least two tensioning parts, and the distance between the at least two tensioning parts is adjustable so as to expand at least part of the filtering membrane; the driving device is used for driving the tensioning part to move. The driving device drives at least one tensioning part to move so as to change the distance between the two tensioning parts, so that the filtering membrane between the two tensioning parts is tensioned and expanded, the increase of the gap between the filtering membrane and the filter cake is realized, and the service life of the filtering membrane is prolonged.
Description
Technical Field
The invention relates to the technical field of filtering devices, in particular to a filter membrane recycling device and a filter.
Background
The rapid development of the industry in recent years has led to an increasing problem of air and water pollution, and in order to improve the quality of air and water, it is generally required to use a filtering and purifying device to filter air or water, and the filtering mechanism is mainly divided into medium filtering and cake filtering, wherein the cake filtering is to use a fabric, a porous material or a membrane as a filtering medium, the filtering medium only plays a role of supporting a cake, and the pore size of the filtering medium is not necessarily smaller than the particle size of the smallest particles. At the beginning of filtration, part of small particles can enter even pass through the pores of the medium, but the pore size of the medium is reduced to form effective blocking by the bridging action of the particles. The particles trapped on the surface of the media form a layer of filter cake, called the filter cake, through which the purified filtrate or gas passes. However, in the current market, the purification filter membranes in most purification devices adopting filter cake filtration can only be used once, which causes resource waste and can cause a series of environmental problems, and although the purification filter membranes of a small part of purification devices can be detached and pulled out for cleaning, the purification filter membranes are limited by the service cycle of the purification filter membranes, so that users need to frequently disassemble and assemble the purification filter membranes.
Disclosure of Invention
The invention mainly aims to provide a filter membrane recycling device and a filter, and aims to solve the problem that the service cycle of a purification filter membrane in the existing purification device is short.
In order to achieve the above object, the present invention provides a filter membrane recycling device comprising:
a filter frame, which is formed with a through air channel along the up-down direction;
the filtering membrane extends along the front-back direction and the left-right direction and is arranged on the filtering frame;
the tensioning structure comprises at least two tensioning parts, the filtering membrane is supported between the at least two tensioning parts, and the distance between the at least two tensioning parts is adjustable so as to expand at least part of the filtering membrane; and the number of the first and second groups,
and the driving device is used for driving the tensioning part to move.
Optionally, the two tensioning portions are oppositely arranged left and right, and at least one of the tensioning portions is a movable tensioning portion;
the wind passing channel is internally provided with a bearing part which can move in the front-back direction, the bearing part is provided with a tensioning arm extending in the front-back direction, and the movable tensioning part comprises the tensioning arm.
Optionally, the bearing parts and the movable tensioning parts form a bearing tensioning group in a one-to-one correspondence manner, the bearing tensioning group is provided with two groups along the front-back direction, and two tensioning arms in the two groups of bearing Zhang Jinzu are oppositely arranged along the left-right direction.
Optionally, two tensioning parts are arranged on the two sides of the filtering membrane in the up-and-down direction;
corresponding to the bearing part, first yielding through holes which are communicated left and right are respectively arranged on two side frame bodies of the left and right sides of the filtering frame, and the first yielding through holes are arranged in a long shape towards the other side of the filtering film in the direction that the bearing part is far away from the other tensioning part;
the driving device comprises two connecting rods, the two connecting rods are respectively matched with the first yielding through holes correspondingly, and the two connecting rods are respectively connected to the bearing parts.
Optionally, the tensioning arm is movably mounted on the bearing part along the left-right direction.
Optionally, the bearing part is provided with a mounting cavity extending in the left-right direction, one front-back side wall of the mounting cavity is provided with a second abdicating through hole, and the second abdicating through hole runs through in the front-back direction and is long in the left-right direction;
the movable tensioning part also comprises an installation block arranged at one end of the tensioning arm in the length direction, and the installation block is movably arranged in the installation cavity along the left-right direction so that the tensioning arm correspondingly extends out of the second abdicating through hole;
the driving device comprises a guide assembly, and the guide assembly is used for driving the mounting block to move.
Optionally, the guide assembly comprises:
the two guide parts are respectively formed on the two frame bodies of the filter frame in the left and right directions, each guide part is provided with a first abdicating through hole which is communicated from left to right, the two guide parts are respectively provided with guide surfaces which are arranged along the left and right directions in a back-to-back manner, and in the direction that the bearing part is far away from the other tensioning part, the first abdicating through hole is arranged in a long shape, and the two guide surfaces are arranged in a mutually far-away manner; and (c) a second step of,
two connecting rods are located the first through-hole of stepping down that corresponds to the activity along controlling, one of them the one end of connecting rod is connected to the installation piece, another the one end of connecting rod is connected to through elastic connection spare the installation piece, and two the other end of connecting rod stretches out the correspondence the spigot surface is in order to form butt portion, butt portion is used for butt joint to corresponding the spigot surface.
Optionally, the movable tensioning portion and the elastic connecting pieces form a tensioning set in a one-to-one correspondence manner, multiple sets of tensioning sets are arranged from left to right, and the two connecting rods are respectively connected to the two mounting blocks located at the two ends in a corresponding manner.
Optionally, the number of the tensioning arms is two, and the movable tensioning portion comprises two tensioning arms.
The filter provided by the invention comprises the filter membrane recycling device, and further comprises:
the filter frame comprises a mounting shell, a filter frame and a filter base, wherein an air duct extending along the vertical direction is formed in the mounting shell, and the filter frame is suitable for being arranged in the air duct;
the main control board is arranged on the mounting shell and is electrically connected to the driving device; and the number of the first and second groups,
and the pressure sensor is arranged on the inner wall of the air inlet of the ventilation pipeline and is electrically connected to the main control board.
According to the technical scheme provided by the invention, the filtering membrane is supported between the at least two tensioning parts, the distance between the at least two tensioning parts is adjustable, and when the distance between the two tensioning parts in different directions is adjusted, the corresponding part of the filtering membrane can be expanded and expanded, so that gaps between filter cakes and pores of the filtering membrane are increased, the filtering membrane blocked by the filter cakes has filtering capacity again, the service cycle of the filtering membrane is prolonged, frequent replacement of the filtering membrane is avoided, manpower is saved, and the use cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic top view of one embodiment of a filter membrane recycling apparatus provided in the present invention;
FIG. 2 is a schematic left view of the filter membrane recycling device of FIG. 1.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The rapid development of the industry in recent years has led to an increasing problem of air and water pollution, and in order to improve the quality of air and water, it is generally required to use a filtering and purifying device to filter air or water, and the filtering mechanism is mainly divided into medium filtering and cake filtering, wherein the cake filtering is to use a fabric, a porous material or a membrane as a filtering medium, the filtering medium only plays a role of supporting a cake, and the pore size of the filtering medium is not necessarily smaller than the particle size of the smallest particles. At the beginning of filtration, part of small particles can enter even pass through the pores of the medium, but the pore size of the medium is reduced to form effective blocking by the bridging action of the particles. The particles trapped on the surface of the media form a layer of filter cake, called the filter cake, through which the purified filtrate or gas passes. However, in the current market, the purification filter membranes in most purification devices adopting filter cake filtration can only be used once, which causes resource waste and can cause a series of environmental problems, and although the purification filter membranes of a small part of purification devices can be detached and pulled out for cleaning, the detachment and installation processes are more complicated.
In view of this, the present invention provides a filter membrane recycling device and a filter, which aim to solve the problem of short usage period of the purification filter membrane in the existing purification device, wherein fig. 1 to 2 are schematic structural diagrams of an embodiment provided by the present invention.
Referring to fig. 1 to 2, the filter membrane recycling device 100 includes a filter frame 1, a filter membrane 2, a tensioning structure 3 and a driving device 5, wherein the filter frame 1 is formed with an air passage penetrating in an up-down direction; the filtering membrane 2 extends from front to back and from left to right to the filtering frame 1; the tensioning structure 3 comprises at least two tensioning parts, the filtering membrane 2 is supported between the at least two tensioning parts, and the distance between the at least two tensioning parts is adjustable to expand at least part of the filtering membrane 2; the driving device 5 is used for driving the tensioning part to move.
According to the technical scheme provided by the invention, the filtering membrane 2 is supported between at least two tensioning parts, the distance between the at least two tensioning parts is adjustable, and when the distance between the two tensioning parts in different directions is adjusted, the supporting expansion of the corresponding part of the filtering membrane 2 can be realized, so that the gap between a filter cake and the pore space of the filtering membrane 2 is increased, the filtering membrane 2 blocked by the filter cake has filtering capacity again, the service cycle of the filtering membrane 2 is prolonged, the frequent replacement of the filtering membrane 2 is avoided, the manpower is saved, and the use cost is reduced.
The fact that the filtering membrane 2 is supported by the tension part means that the filtering membrane 2 is tensioned by the tension part, and the tension part may be adhered to the filtering membrane 2 or supported against the filtering membrane 2 by friction force as long as the part corresponding to the filtering membrane 2 can be moved.
It is worth mentioning that there are many ways of adjusting the distance between at least two of the tension parts, which may be the distance in the horizontal direction, and in this case, the filtering membrane 2 may be expanded and spread by at least two of the tension parts in the horizontal direction; the distance between the filter membrane and the tensioning part can be adjustable along the vertical direction, and at the moment, the filter membrane 2 can be pulled and stretched by the at least two tensioning parts along the vertical direction; it is also possible to expand and spread the filtration membrane 2 while pulling it in a combined direction of the up-down direction and the horizontal direction.
The at least two tensioning parts can be in various position relations, the two tensioning parts can be arranged on the same side of the filtering membrane 2 and can also be arranged on different sides of the filtering membrane 2, when the two tensioning parts are arranged on different sides of the filtering membrane 2, the filtering membrane 2 is clamped between the two tensioning parts, one of the tensioning parts is used for propping up the filtering membrane 2 along the up-and-down direction, the other tensioning part is used for pulling the filtering membrane 2 along the opposite direction, and when the two tensioning parts are arranged on the same side of the filtering membrane 2, the two tensioning parts are matched with the propping up and pulling the filtering membrane 2 from the opposite front-and-back or left-and-right directions.
The structure of the driving device 5 may be various, as long as the driving of the tensioning portions to adjust the distance between at least two tensioning portions is achieved, which is not limited in this embodiment.
Meanwhile, the filtering membrane 2 may be an air filtering membrane, a water filtering membrane, or a filtering fabric, which is not limited in the embodiment of the present invention, but the filtering membrane 2 should have a certain elastic expansion performance, and the filtering membrane 2 may be a PVDF membrane or a high-elasticity X50 type PP membrane, which is not limited in the embodiment of the present invention.
Further, in this embodiment, the two tensioning portions are oppositely arranged left and right, and at least one tensioning portion is a movable tensioning portion 31; a receiving part 4 is arranged in the air passing channel, the receiving part 4 can move in the front-back direction, a tensioning arm 311 extending in the front-back direction is arranged on the receiving part 4, and the movable tensioning part 31 comprises the tensioning arm 311. The tension arm 311 extending in the forward and backward direction increases the contact area between the movable tension part 31 and the filtration membrane 2 when the receptacle 4 moves in the forward and backward direction, thereby preventing the filtration membrane 2 from being damaged due to an excessive local force. It will be understood that the driving device 5 is used to drive the receiving portion 4 to move.
Furthermore, in this embodiment, the receiving portions 4 and the movable tensioning portions 31 form a receiving tensioning set in a one-to-one correspondence manner, the receiving tensioning set is provided in two sets along the front-back direction, and the two tensioning arms 311 in the two sets of receiving Zhang Jinzu are oppositely provided along the left-right direction. Through the arrangement of the two sets of the receiving parts Zhang Jinzu, the corresponding tensioning arms 311 can be driven to move through the receiving parts 4 from two opposite directions, so that the moving stroke of the single tensioning arm 311 is reduced, the receiving parts 4 can be installed at positions close to the filtering frame 1, the area of the filtering membrane 2 between the two receiving parts 4 is increased, and the filtering membrane 2 with a larger area is expanded and spread.
Specifically, a plurality of tensioning arms 311 are arranged on each bearing part 4, and a plurality of tensioning arms 311 on two bearing parts 4 are staggered and arranged at intervals along the left-right direction.
The distance between at least two tension parts can be adjusted in many ways, in this embodiment, two tension parts are arranged on the two sides of the filtering membrane 2 in the up-down direction; corresponding to the bearing part 4, the frame bodies on the two sides of the filtering frame 1 in the left-right direction are respectively provided with a first abdicating through hole 11 which is through from left to right, and in the direction that the bearing part 4 is far away from the other tensioning part, the other side of the first abdicating through hole 11 facing the filtering membrane 2 is arranged in a long shape; the driving device 5 includes two connecting rods 512, two of the connecting rods 512 are respectively adapted to the corresponding first yielding through hole 11, and two of the connecting rods 512 are respectively connected to the bearing part 4. Through connecting rod 512 is connected the acceptor 4, and will connecting rod 512 is located in the through-hole of stepping down, as two when acceptor 4 is along the front and back to keeping away from, connecting rod 512 is in drive under the guide effect of first through-hole 11 of stepping down acceptor 4 orientation filtration membrane 2's opposite side activity, thereby will filtration membrane 2's part is pulling from top to bottom, thereby supplementary expansion filtration membrane 2's hole with the space of filter cake also can reduce acceptor 4 is along the motion stroke of fore-and-aft.
In another embodiment, a third abdicating through hole which is through from front to back is formed on the filtering frame 1, and the third abdicating through hole is arranged in a long shape along the up-down direction; drive arrangement 5 includes traction lever 52, traction lever 52 along controlling to the axis articulated connection to receiving portion 4, just traction lever 52 adaptation passes the third through-hole of stepping down, through drawing traction lever 52 activity from beginning to end, thereby drive receiving portion 4 activity from beginning to end passes through simultaneously the third through-hole of stepping down makes traction lever 52 can also be along moving towards right amount from top to bottom, thereby the cooperation receiving portion 4 orientation the activity of filtration membrane 2 opposite side. It should be noted that the pulling travel of the pulling rod 52 should be less than 2cm to ensure that the filter membrane 2 is not damaged by pulling.
Furthermore, in another embodiment, the tensioning arm 311 is movably mounted to the bearing part 4 in the left-right direction. With this arrangement, the tensioning arm 311 can not only pull the filter membrane 2 in a forward and backward direction, but also move in a leftward and rightward direction, so as to assist in enlarging the gap between the filter membrane 2 and the filter cake, and also reduce the forward and backward movement stroke of the receiving part 4.
The tensioning arm 311 is movably disposed on the receiving portion 4 in a left-right direction, in this embodiment, the receiving portion 4 is formed with a mounting cavity 41 extending in the left-right direction, a front-back side wall of the mounting cavity 41 is provided with a second abdicating through hole, and the second abdicating through hole is through in the front-back direction and is long in the left-right direction; the movable tensioning portion 31 further includes an installation block 312 disposed at one end of the tensioning arm 311 in the length direction, and the installation block 312 is movably disposed in the installation cavity 41 in the left-right direction, so that the tensioning arm 311 correspondingly extends out of the second abdicating through hole; the driving device 5 comprises a guiding component 51, and the guiding component 51 is used for driving the mounting block 312 to move.
Through installation piece 312 activity set up in installation cavity 41, the second sets aside the through-hole to the setting of stepping down of tensioning arm 311, and guide assembly 51 is right installation piece 312's drive, thereby realize the activity about tensioning arm 311, simple structure, respond well, it should be understood that guide assembly 51 is used for the drive installation piece 312 is along controlling to the activity, and its concrete structural style has a lot, and this embodiment does not do not limit to this.
Specifically, in this embodiment, the guiding assembly 51 includes two guiding portions 511 and two connecting rods 512, the two guiding portions 511 are respectively formed on two frame bodies of the filtering frame 1 in the left-right direction, each guiding portion 511 is provided with a first abdicating through hole 11 penetrating left and right, the two guiding portions 511 are respectively provided with guiding surfaces 5111 separately arranged in the left-right direction, and in the direction in which the receiving portion 4 is far away from the other tensioning portion, the first abdicating through hole 11 is long and the two guiding surfaces 5111 are far away from each other; two connecting rods 512 are located corresponding first yielding through-hole 11 to the activity about along, wherein one the one end of connecting rod 512 is connected to installation piece 312, another the one end of connecting rod 512 is connected to through elastic connection piece 513 installation piece 312, and two the other end of connecting rod 512 stretches out correspondingly spigot surface 5111 is in order to form butt portion 5121, butt portion 5121 is used for butt to corresponding spigot surface 5111. The two guide surfaces 5111 are arranged away from each other, so that the two abutting parts 5121 are driven to be away from each other while the receiving part 4 moves back and forth, one of the connecting rods 512 drives the mounting block 312 to move, and the other connecting rod 512 is used for driving the mounting block 312 to drive the receiving part 4 to reset through the elastic connecting piece 513, so that the elastic connecting piece resists against the force for driving the receiving part 4 to move, and the driving process is more stable. It is worth mentioning that the elastic connection 513 is always in tension.
Specifically, in this embodiment, the movable tensioning portions 31 and the elastic connecting members 513 form a tensioning set in a one-to-one correspondence manner, a plurality of sets of tensioning sets are arranged from left to right, and the two connecting rods 512 are respectively connected to the two mounting blocks 312 at two ends in a corresponding manner. So set up, when filtration membrane 2's area is great, through a plurality of the setting of tensioning group, can the subregion be right filtration membrane 2 is controlled to the tensioning, simultaneously through a plurality of the elasticity connecting piece 513 is indirect, can with the pulling force of connecting rod 512 evenly transmits to a plurality of the tensioning arm 311, it is right filtration membrane 2's tensioning is more even, and the effect is better.
More specifically, in this embodiment, the receiving portions 4, the Zhang Jinzu and the guide assemblies 51 form two tensioning driving sets in a one-to-one correspondence manner, the two tensioning driving sets are arranged in two sets, the two tensioning driving sets are arranged at intervals along the front-back direction, and the plurality of movable tensioning portions 31 in the two tensioning driving sets are arranged at intervals along the left-right direction in a staggered manner, it is worth mentioning that the inclination or the angle of the guide surface 5111 in the two tensioning driving sets along the up-down direction can be adjusted correspondingly to ensure that the stress of the plurality of tensioning arms 311 is balanced, that is, the stress of the part of the filter membrane 2 between the two adjacent tensioning arms 311 is moderate, so as to avoid the situation that the filter membrane 2 is damaged due to excessive local stress.
In one embodiment, two tensioning portions are arranged on the two sides of the filtering membrane 2 in the up-and-down direction; bearing 4 keeps away from another in the direction of tensioning part, first through-hole 11 orientation of stepping down the opposite side of filtration membrane 2 is microscler setting, so sets up, first through-hole 11 of stepping down not only plays right the effect of stepping down of connecting rod 512 can also play right the guide effect of connecting rod 512 makes connecting rod 512 drives bearing 4 with the whole orientation of activity tensioning part 31 filtration membrane 2's opposite side activity, thereby it is right to realize the compound motion of activity tensioning part 31 along front and back, left and right sides and upper and lower direction from the all directions expansion filtration membrane 2 has reduced the motion stroke of one-way direction, makes bearing 4 can install to the distance filtration frame 1 is nearer position to increased two filtration membrane 2's between the bearing 4 area to this is to bigger area filtration membrane 2 expands struts.
In order to further increase the contact area between the tension part and the filter membrane 2, in this embodiment, two tension arms 311 are provided on the same socket 4 at intervals in the left-right direction, and the movable tension part 31 includes two tension arms 311. So set up, further increase the tensioning part with the area of contact of filtration membrane 2 effectively avoids the expansion in-process to appear the local problem of breakage that appears of filtration membrane 2.
In addition, the present invention further provides a filter, which includes the filter membrane recycling device 100 in the above scheme, and it should be noted that the structure of the filter membrane recycling device 100 in the filter may refer to the embodiment of the filter membrane recycling device 100, and is not described herein again; since the filter membrane recycling device 100 is used in the filter provided by the present invention, the embodiment of the filter provided by the present invention includes all technical solutions of all embodiments of the filter membrane recycling device 100, and the achieved technical effects are also completely the same, and are not described herein again.
Further, in this embodiment, the filter further includes an installation housing, a main control board and a pressure sensor 200, the installation housing forms an air duct extending in the vertical direction, the filtering frame 1 is adapted to the air duct, the main control board is disposed in the installation housing, and the main control board is electrically connected to the driving device 5; the pressure sensor 200 is arranged on the inner wall of the air inlet of the ventilation pipeline, and the pressure sensor 200 is electrically connected to the main control board. Through pressure sensor 200's setting, can be right the atmospheric pressure data of filtration membrane 2 last wind gap side detect, with through the main control board discernment is judged filtration membrane 2's jam degree, thereby pass through 5 drive control of drive arrangement the activity of tensioning portion, with the realization filtration membrane 2's timely expansion has guaranteed filtration membrane 2's filtration membrane 2 ability. By adjusting the set value of the pressure sensor 200, the filter membrane 2 can be applied to different types or specifications, and the driving force of the driving device 5 can be adjusted according to the different types or specifications of the filter membranes 2.
Specifically, the filter further comprises an electric pump, the electric pump is electrically connected with the main control board, and when the pressure sensor 200 detects that the air pressure value is lower, the main control board controls the electric pump to pump the medium to be filtered reversely, so that the filter cake blocked on the filtering membrane 2 is brought out reversely, and the smoothness of the pores of the filtering membrane 2 is ensured.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A filter membrane recycling apparatus, comprising:
a filter frame, which is formed with a through air channel along the up-down direction;
the filtering membrane extends along the front-back direction and the left-right direction and is arranged on the filtering frame;
the tensioning structure comprises at least two tensioning parts, the filtering membrane is supported between the at least two tensioning parts, and the distance between the at least two tensioning parts is adjustable so as to expand at least part of the filtering membrane; and (c) a second step of,
and the driving device is used for driving the tensioning part to move.
2. The filter membrane recycling apparatus of claim 1, wherein two of said tensioning portions are oppositely disposed from side to side, and at least one of said tensioning portions is a movable tensioning portion;
the wind passing channel is internally provided with a bearing part which can move in the front-back direction, the bearing part is provided with a tensioning arm extending in the front-back direction, and the movable tensioning part comprises the tensioning arm.
3. The filter membrane recycling device of claim 2, wherein the receiving portions and the movable tensioning portions form one-to-one receiving tensioning sets, the receiving tensioning sets are arranged in two sets along the front-back direction, and two tensioning arms of the two sets of receiving Zhang Jinzu are oppositely arranged along the left-right direction.
4. The filter membrane recycling apparatus of claim 2, wherein two of said tensioning portions are provided on both sides of said filter membrane in an up-down direction;
corresponding to the bearing part, first yielding through holes which are communicated left and right are respectively arranged on two side frame bodies of the left and right sides of the filtering frame, and the first yielding through holes are arranged in a long shape towards the other side of the filtering film in the direction that the bearing part is far away from the other tensioning part;
the driving device comprises two connecting rods, the two connecting rods are respectively matched with the first yielding through holes correspondingly, and the two connecting rods are respectively connected to the bearing parts.
5. The filter membrane recycling apparatus of claim 2, wherein the tensioning arm is movably mounted to the socket in a side-to-side direction.
6. The filtration membrane recycling device of claim 5, wherein the receiving portion is formed with a mounting cavity extending in the left-right direction, one side wall of the mounting cavity in the front-back direction is provided with a second abdicating through hole, and the second abdicating through hole is through in the front-back direction and is long in the left-right direction;
the movable tensioning part also comprises an installation block arranged at one end of the tensioning arm in the length direction, and the installation block is movably arranged in the installation cavity along the left-right direction so that the tensioning arm correspondingly extends out of the second abdicating through hole;
the driving device comprises a guide assembly, and the guide assembly is used for driving the mounting block to move.
7. The filter membrane recycling apparatus of claim 6, wherein the guide assembly includes:
the two guide parts are respectively formed on the two frame bodies of the filter frame in the left and right directions, each guide part is provided with a first abdicating through hole which is communicated from left to right, the two guide parts are respectively provided with guide surfaces which are arranged along the left and right directions in a back-to-back manner, and in the direction that the bearing part is far away from the other tensioning part, the first abdicating through hole is arranged in a long shape, and the two guide surfaces are arranged in a mutually far-away manner; and the number of the first and second groups,
two connecting rods are located the first through-hole of stepping down that corresponds to the activity along controlling, one of them the one end of connecting rod is connected to the installation piece, another the one end of connecting rod is connected to through elastic connection spare the installation piece, and two the other end of connecting rod stretches out the correspondence the spigot surface is in order to form butt portion, butt portion is used for butt joint to corresponding the spigot surface.
8. The filter membrane recycling device of claim 7, wherein the movable tensioning portions and the elastic connecting members form tensioning sets in a one-to-one correspondence manner, the tensioning sets are arranged in multiple sets from left to right, and the two connecting rods are respectively connected to the two mounting blocks at two ends.
9. The filter membrane recycling apparatus of claim 2, wherein said tensioning arms are spaced apart in the left-right direction in two, and said movable tensioning portion includes two of said tensioning arms.
10. A filter comprising the filter membrane recycling device of any of claims 1 to 9, the filter further comprising:
the mounting shell is provided with an air duct extending along the vertical direction, and the filtering frame is suitable for being arranged on the air duct;
the main control board is arranged on the mounting shell and is electrically connected to the driving device; and the number of the first and second groups,
and the pressure sensor is arranged on the inner wall of the air inlet of the ventilation pipeline and is electrically connected to the main control board.
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| CN202210894079.1A CN115212725B (en) | 2022-07-27 | 2022-07-27 | Filter membrane reuse device and filter |
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| CN202210894079.1A CN115212725B (en) | 2022-07-27 | 2022-07-27 | Filter membrane reuse device and filter |
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| CN115212725B (en) | 2023-08-18 |
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