CN113426207B - Connecting structure for assembling filter element - Google Patents
Connecting structure for assembling filter element Download PDFInfo
- Publication number
- CN113426207B CN113426207B CN202110620056.7A CN202110620056A CN113426207B CN 113426207 B CN113426207 B CN 113426207B CN 202110620056 A CN202110620056 A CN 202110620056A CN 113426207 B CN113426207 B CN 113426207B
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- butt joint
- joint
- joint part
- connecting structure
- filter element
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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
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0012—In-line filters
-
- 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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- 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
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a connecting structure for assembling a filter element, which is used for butting and conducting adjacent filter units, wherein more than two filter units are assembled into the filter element sequentially through butting, and the connecting structure comprises: a first joint provided with a first butting portion; the second joint is provided with a second butt joint part used for being in plug-in butt joint with the corresponding first butt joint part; the sealing component is pressed on a matching surface between the first butt joint part and the second butt joint part after the first butt joint part and the second butt joint part are inserted, matched and butted; and the transverse locking component is matched with a corresponding locked structure between the first joint and the second joint after the first butt joint part and the second butt joint part are in plug-in butt joint along the transverse direction of the butt joint direction of the first butt joint part and the second butt joint part. Compared with the threaded connection, the assembly efficiency is low and the situation that the assembly cannot be installed due to thread deformation, damage and improper fit clearance is avoided.
Description
Technical Field
The invention relates to installation of filter elements, in particular to a connecting structure for assembling filter elements.
Background
The metal filter bag has been widely used in the field of high-temperature gas filtration due to its high temperature resistance, and most filter bags are more than 5m, even more than 8m in length. For filter bags with long lengths, the connection and assembly in the length direction are required at an installation site due to the limitation of transportation and installation space. The basic requirements for the technical assembly of the connection are: the connection is firm and reliable, and the cable does not fall off in use; effective sealing is realized; the size does not exceed the product appearance; the assembly and disassembly are convenient.
The traditional connection assembly is generally threaded connection and welding. As welding is limited by a number of factors, threaded connections are used in more applications. Due to the reasons of thread deformation, damage, improper fit clearance and the like, the assembly process is low in efficiency, difficult and heavy or cannot be installed in place, and even the phenomenon of falling in the use process occurs.
Disclosure of Invention
The invention aims to provide a filter unit connecting structure which meets the requirement of quick installation and has better installation effect.
The technical scheme adopted by the invention is that the connecting structure for assembling the filter element is used for butting and conducting adjacent filter units, more than two filter units are sequentially assembled into the filter element through butting, and the connecting structure comprises:
a first joint for being disposed on one of adjacent filter units, the first joint being provided with a first butting portion;
the second joint is used for being arranged on the other filter unit in the adjacent filter units and is provided with a second butt joint part used for being in plug-fit butt joint with the corresponding first butt joint part;
a sealing member that is pressed against a mating surface between the first mating portion and the second mating portion after the first mating portion and the second mating portion are inserted and mated; and
and the transverse locking component is matched with a corresponding locked structure between the first joint and the second joint after the first butt joint part and the second butt joint part are inserted, matched and butted along the transverse direction of the butt joint direction of the first butt joint part and the second butt joint part so as to fix the first joint and the second joint.
Adopt this first joint and second to connect two filter unit docks, compare in adopting threaded connection, avoided because the screw thread warp, the damage, the improper low packaging efficiency who causes in fit clearance, the condition of unable installation appears, when this filter unit connection structure docks, compress tightly sealing member when with first butt joint portion, second butt joint portion butt joint, the centre gripping back, insert through foretell horizontal locking part and join in marriage above-mentioned butt joint portion, in the second butt joint portion, with first joint, the second connects to establish ties in order to keep fixing between them, here directly insert to join in marriage with horizontal locking part and realize the fixed of first joint and second joint, compare in threaded connection, it is more swift, convenient and reliable, processing is also simpler.
Furthermore, the first butt joint part and the second butt joint part are of cylindrical structures sleeved with each other.
Further, the first butt joint portion is located second butt joint portion one end, and the inner chamber of this first butt joint portion contains the hole structure, and this hole structure is along reducing gradually towards second butt joint portion direction diameter.
The butt joint is carried out by adopting a sleeving mode, the operation and the structure are simple, and the inner hole structure is adopted to gradually reduce the diameter along the back blowing direction, so that the back blowing effect on the filter element is greatly improved by enabling back blowing gas to pass through the action similar to a venturi tube, and on the basis, the butt joint of a plurality of filter units is combined, namely a series of similar venturi tube structures formed by sequentially butting a plurality of filter units is realized, so that the kinetic energy of the back blowing gas in the inner part can not be quickly dissipated.
Furthermore, the first joint further comprises a first butt joint seat, and the first butt joint part is arranged on the first butt joint seat; the second joint further comprises a second butt joint seat, and the second butt joint part is arranged on the second butt joint seat; the first butt joint seat or the second butt joint seat is abutted against the sealing component.
Set up first butt joint seat and second butt joint seat, when the firm of first butt joint portion or second butt joint portion of guarantee, also spacing first butt joint portion and second butt joint portion carry out in the butt joint direction, still through the butt joint to sealing member simultaneously, further fully ensure the leakproofness between first butt joint portion and the second butt joint portion.
The first butt joint seat and the second butt joint seat are both of a columnar structure, a first shaft shoulder structure is formed by the first butt joint seat and a first butt joint part connecting part, and a second shaft shoulder structure is formed by the second butt joint seat and a second butt joint part connecting part; the second butt joint end corresponds to the first shaft shoulder structure. To ensure that the abutting parts do not cause excessive interference with the filter unit. Here, the cross-sectional dimension of the first docking seat is larger than that of the first docking portion, and the cross-sectional dimension of the second docking seat is larger than that of the second docking portion.
Further, the transverse locking component is a rod-shaped piece and is used for enabling the transverse locking component to be inserted on the first butt joint part and the second butt joint part.
Furthermore, through holes matched with the transverse locking components are formed in the first butt joint part and the second butt joint part, and each transverse locking component comprises a rod part;
the rod part is arranged in the through hole in a penetrating mode, a pin hole is formed in one end of the rod part, a backstop pin is arranged in the pin hole in a penetrating mode, and a nut or a pin hole used for the backstop pin to penetrate through is formed in the other end of the rod part; the rod part is conveniently and simply fixed and locked in the through hole by arranging the retaining pin and the nut;
or, the rod part is provided with a threaded section, the through hole is a threaded hole engaged with the threaded section of the rod part, the threaded section is provided with a nut, the nut is positioned at the end of the rod part, and the rod part is fixed in the through hole through threads, namely a bolt mode, so that the fixing method is also convenient.
Further, at least two transverse locking components are arranged, and the projections of the axes of at least two transverse locking components in the butt joint direction of the filter units are intersected. When the transverse locking component is arranged on the first joint and the second joint in a penetrating mode, connection is stable.
Furthermore, the connecting structure for assembling the filter element further comprises a sleeve which is arranged on the first butt joint portion in a penetrating mode, a through hole corresponding to the sleeve is formed in the first butt joint portion, and the transverse locking component penetrates through the through hole and is sleeved in the sleeve.
Set up the sleeve pipe and can avoid first joint or second to connect direct and horizontal locking part contact, for example when the needs are attacked, can directly will attack the sleeve pipe beading of good screw thread on the through-hole that first joint and second connect, avoided the butt joint to advance processing, the protection connects and horizontal locking part, and horizontal locking part stretches into or the screw in sleeve pipe, fixes the sleeve pipe in the axial again through nut or stopping round pin, accomplishes the locking.
The setting of sheathed tube also makes horizontal locking part when inserting the joining in marriage, need not to aim at the through-hole that is located the first butt joint portion of second butt joint portion, especially to two last through-holes that are located first butt joint portion and second butt joint portion on wearing to establish the direction, adopted and predetermine the sleeve pipe on first butt joint portion, only need with the sleeve pipe with the through-hole on the second butt joint portion correspond the back, with horizontal locking part directly along the sleeve pipe insert can, the end that need not horizontal locking part aligns the through-hole at the opposite side, it is swift, convenient.
Further, the sealing part is any one or combination of any more of rubber, plastics, fiber felt, asbestos, glass fiber and metal felt.
The invention is further described with reference to the following figures and detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description. Or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to assist in understanding the invention, and are included to explain the invention and their equivalents and not limit it unduly. In the drawings:
FIG. 1 is a disassembled schematic view for explaining a connection structure for assembling a filter element of the present application;
FIG. 2 is an assembled schematic view for explaining a connecting structure for assembling a filter element of the present application;
fig. 3 is a schematic view for explaining a connecting structure for assembling a filter element according to the first embodiment;
fig. 4 is a schematic view for explaining a coupling structure for assembling a filter element according to the first embodiment using screw locking;
FIG. 5 is a schematic view for explaining a connecting structure for assembling a filter element according to the second embodiment;
fig. 6 is a schematic radial cross-sectional view of a first butting portion 110 for explaining a connecting structure for assembling a filter element according to a second embodiment;
FIG. 7 is a schematic view for explaining three other forms of sealability of a connecting structure for assembling a filter element according to the present application;
the labels in the figure are: the joint comprises a first joint 1, a first butt joint part 110, a first butt joint seat 120, a lower joint 2, a second butt joint part 210, a second butt joint seat 220, a sealing component 3, a transverse locking component 4, a rod part 410, a nut 420, a backstop pin 430 and a sleeve 5.
Detailed Description
The invention will be described more fully hereinafter with reference to the accompanying drawings. Those skilled in the art will be able to implement the invention based on these teachings. Before the present invention is described in detail with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the present invention in the respective sections including the following description may be combined with each other without conflict.
Furthermore, the embodiments of the invention described in the following description are generally only examples of a part of the invention, and not all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without making creative efforts shall fall within the protection scope of the present invention.
With respect to terms and units in the present invention. The term "comprises" and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
Referring to fig. 1-4, a connecting structure for assembling filter elements, which is used for abutting adjacent metal filter bags, wherein the front end or the rear end or one end of one metal filter bag can be abutted with other metal filter bags to form an integral multi-section metal filter bag assembly through the connecting structure, the filter unit connecting structure comprises a first connector 1 and a second connector 2, the first connector 1 is used for being arranged on a filter unit, and the first connector 1 is provided with a first abutting part 110; the second connector 2 is used for being arranged on another filter unit, and the second connector 2 is provided with a second butt joint part 210; the second butt joint portion 210 is used for butt joint with the first butt joint portion 110, so that the first joint 1 is in butt joint with the second joint 2 and then the two filter units are communicated; a sealing component 3 is arranged at the butt joint between the first joint 1 and the second joint 2, and a part of each sealing component 3 is respectively abutted against the first butt joint part 110 and the second butt joint part 210 and is used for sealing a gap between the first butt joint part 110 and the second butt joint part 210; the first butt-joint portion 110 and the second butt-joint portion 210 are each provided with a corresponding through hole, a transverse locking member 4 is inserted into the through hole, and the transverse locking member 4 is used for connecting the first joint 1 and the second joint 2 in series.
The first joint 1 further includes a first docking seat 120, and the first docking portion 110 is disposed on the first docking seat 120; the second connector 2 further includes a second docking seat 220, and the second docking portion 210 is disposed on the second docking seat 220; the first docking seat 120 or the second docking seat 220 is configured to be abutted against the sealing member 3, and the first docking seat 120 and the second docking seat 220 are provided, so that the first docking portion 110 and the second docking portion 210 are also limited in the docking direction while the stability of the first docking portion 110 or the second docking portion 210 is ensured, and the sealing property between the first docking portion 110 and the second docking portion 210 is further sufficiently ensured by abutting against the sealing member 3.
Specifically, one end of the first joint 1 and one end of the second joint 2 are welded to a membrane cylinder, i.e., a filter bag, the first butt joint portion 110 and the second butt joint portion 210 are both cylindrical, the outer diameter of the first butt joint portion 110 and the inner diameter of the second butt joint portion 210 are in clearance fit, the size of the clearance is 0.5-2mm, and the position of the sealing component 3 is in the clearance (the sealing component 3 is squeezed). The first butt-joint portion 110 and the second butt-joint portion 210 are radially opened with 2 or 4 symmetrical holes for penetrating the transverse locking component 4, and the transverse locking component 4 is of a rod structure.
In the reverse blowing direction of the filter units, the first butt joint part 110 is located at the front end of the second butt joint part 210, the inner cavity of the first butt joint part 110 comprises an inner hole structure, the diameter of the inner hole structure is gradually reduced along the reverse blowing direction, the butt joint is performed in a sleeving manner, the operation and the structure are simple, and the inner hole structure is adopted to gradually reduce the diameter along the reverse blowing direction, so that the reverse blowing gas has the similar venturi tube effect, the reverse blowing effect on the filter elements is greatly improved, on the basis, the butt joint of a plurality of filter units is combined, namely, a series of similar venturi tube structures formed by sequential butt joint are adopted, the kinetic energy in the reverse blowing gas cannot be quickly dissipated, and the blowing effect is better on the multi-section cylindrical filter bags.
In order to smooth the coupling operation while preventing the sealing member 3 from being damaged by the assembling process, the mouths of the first and second butt joint portions 110 and 210 are preferably rounded.
The transverse locking member 4 comprises a rod portion 410, one end of the rod portion 410 may be provided with a large head (here, the large head may be a nut 420, or a larger end of the rod portion integrated with the transverse locking member 4), an effective length of the rod portion is matched with an outer diameter of the first connector 1 or the second connector 2 (i.e., the effective length of the transverse locking member 4 is determined according to whether the rod portion is arranged on the first connector 1 or the second connector 2), and a small end of the transverse locking member 4 is provided with a pin hole for receiving a retaining pin 430 (such as a cotter pin, a wire, a pin, etc.); or the big head is not needed, and the stopping pin 430 is penetrated through the two ends. The shape of the big end can be any shape such as round, square and the like, and the size of the big end is larger than that of the through hole by more than 1 mm. The cross section of the transverse locking component 4 is 5-20mm, the cross section can be circular or rectangular, and the shape of the through hole is matched with that of the transverse locking component 4; the shank 410 of the transverse locking member 4 may be solid or hollow; preferably round and solid. The transverse locking member 4 is herein provided with a stop on the through hole in the form of a thrust pin, a nut 420 or a nut 420 plus a stop pin 430. Wherein the diameter of the backstop pin 430 is 1-8mm, preferably 1.5-5mm.
The sealing member 3 may be made of rubber, plastic, fiber felt, asbestos, glass fiber, metal felt, etc., or other fluid-state curing molding materials. Wherein the high temperature environment of more than 200 ℃ can only use high temperature resistant materials such as mineral fiber, glass fiber, metal felt and the like.
The sealing member 3 is sized to ensure that the two joints can be smoothly assembled during assembly, and the sealing member 3 is tightly compressed to ensure a sealing effect. The radial thickness dimension of the section of the sealing component 3 is 2-8mm, preferably 3-5mm (the dimension is 1/3 to 1/2 of the natural dimension after compression); the cross-sectional dimension of the axially compressed portion of the sealing member 3 is 5 to 15mm, preferably 8 to 12mm. The seal member 3 is disposed above the lateral lock member 4 or the through hole when mounted, and prevents the seal member 3 from interfering with the lateral lock member 4. Referring to fig. 7, the cross-sectional shape of the sealing member 3 here may be rectangular, circular, or U-shaped, in addition to L-shaped.
Through adopting this filter unit connection structure, compare in adopting threaded connection, avoided because the screw thread warp, bruise, the improper packaging efficiency who causes in fit clearance is low, the condition of unable installation appears, during this filter unit connection structure butt joint, with first butt joint portion 110, compress tightly sealing member during second butt joint portion 210 butt joint, after the centre gripping, insert in above-mentioned through-hole through foretell horizontal locking part 4, connect first 1, the second connects 2 to establish ties in order to keep fixing between them, here directly insert the through-hole with horizontal locking part 4 and realize the fixing to first 1 and second joint 2, compare in threaded connection, it is more swift, convenient and reliable, processing is also simpler.
Referring to fig. 5, and fig. 6, embodiment two: different from the first embodiment, the through hole may also be inserted with the sleeve 5 and welded to the first joint 1 or the second joint 2 where the sleeve 5 is located, so as to increase the rigidity of the first joint 1 or the second joint 2 and prevent dust from leaking into the gap between the lateral locking member 4 and the first joint 1 or the second joint 2. The sleeve 5 here only needs to be provided on one joint, and for convenience of installation, the sleeve 5 is provided on the first butting portion 110 on the inner side.
The contents of the present invention have been explained above. Those skilled in the art will be able to implement the invention based on these teachings. All other embodiments, which can be derived by a person skilled in the art from the above description without inventive step, shall fall within the scope of protection of the present invention.
Claims (9)
1. A connecting structure for assembling a filter element, which is used for butting and conducting adjacent filter units, wherein more than two filter units are assembled into the filter element sequentially through the butting, the connecting structure is characterized by comprising:
a first joint for being disposed on one of adjacent filter units, the first joint being provided with a first butting portion;
the second joint is used for being arranged on the other filtering unit in the adjacent filtering units and is provided with a second butt joint part which is used for being in plug-fit butt joint with the corresponding first butt joint part;
a sealing member that is pressed against a mating surface between the first mating portion and the second mating portion after the first mating portion and the second mating portion are inserted and mated; and
a transverse locking component which is matched with a corresponding locked structure between the first joint and the second joint after the first butt joint part and the second butt joint part are inserted and matched to fix the first joint and the second joint along the transverse direction of the butt joint direction of the first butt joint part and the second butt joint part;
the transverse locking component is a rod-shaped piece and is used for enabling the transverse locking component to be inserted on the first butt joint part and the second butt joint part.
2. A connecting structure for assembling filter elements according to claim 1, wherein the first butt joint portion and the second butt joint portion are cylindrical structures which are sleeved with each other.
3. A connection arrangement for mounting a filter element according to claim 2 wherein the first abutment portion is located at one end of the second abutment portion and the internal cavity of the first abutment portion includes an internal bore formation which decreases in diameter in a direction towards the second abutment portion.
4. A connecting structure for assembling a filter element according to claim 2, wherein said first joint further comprises a first docking seat on which said first docking portion is provided; the second joint further comprises a second butt joint seat, and the second butt joint part is arranged on the second butt joint seat; the first butt joint seat or the second butt joint seat is abutted against the sealing component.
5. A connection structure for assembling a filter element according to claim 4, wherein the first docking cradle and the second docking cradle are each of a cylindrical configuration, the first docking cradle and the first docking portion connection portion form a first shoulder configuration, and the second docking cradle and the second docking portion connection portion form a second shoulder configuration; the end head of the second butt joint part corresponds to the first shaft shoulder structure.
6. A connecting structure for assembling a filter element according to claim 1, wherein the first butt joint portion and the second butt joint portion are provided with through holes adapted to the lateral locking members, and the lateral locking members include rod portions;
the rod part is arranged in the through hole in a penetrating mode, a pin hole is formed in one end of the rod part, a backstop pin is arranged in the pin hole in a penetrating mode, and a nut or a pin hole used for the backstop pin to penetrate through is formed in the other end of the rod part;
or the rod part is provided with a threaded section, the through hole is a threaded hole meshed with the threaded section of the rod part, the threaded section is provided with a nut, and the nut is positioned at the end of the rod part.
7. A connecting structure for assembling a filter element according to claim 1, wherein at least two of said lateral locking members are provided, and projections of axes of at least two of said lateral locking members in a butting direction of said filter units intersect.
8. A connecting structure for assembling a filter element according to claim 1, further comprising a sleeve passing through the first butting portion, the first butting portion being provided with a through hole corresponding to the sleeve, and the lateral locking member being fitted into the sleeve through the through hole.
9. A connecting structure for assembling filter elements according to claim 1, wherein said sealing member is any one or a combination of any more of rubber, plastic, fiber felt, asbestos, glass fiber, and metal felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620056.7A CN113426207B (en) | 2021-06-03 | 2021-06-03 | Connecting structure for assembling filter element |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620056.7A CN113426207B (en) | 2021-06-03 | 2021-06-03 | Connecting structure for assembling filter element |
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| CN113426207A CN113426207A (en) | 2021-09-24 |
| CN113426207B true CN113426207B (en) | 2023-04-07 |
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| CN211189446U (en) * | 2019-12-03 | 2020-08-07 | 合肥丽清环保设备有限公司 | Dust bag jetting pipe afterbody fixed knot constructs |
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| CN105214358B (en) * | 2015-09-22 | 2018-08-17 | 成都易态科技有限公司 | Quick-changing type filter element and preparation method thereof |
| CN105688495A (en) * | 2016-03-11 | 2016-06-22 | 陈洁 | Filter pipe for butt joint of fluid conveying pipeline |
| CN205699683U (en) * | 2016-04-26 | 2016-11-23 | 成都易态科技有限公司 | Filter element |
| JP6428972B2 (en) * | 2016-08-10 | 2018-11-28 | 株式会社村田製作所 | Filtration filter device |
| CN206965280U (en) * | 2017-06-15 | 2018-02-06 | 福州大学 | The two-way docking facilities of axle sleeve type based on metal filter bag |
| CN206934969U (en) * | 2017-07-25 | 2018-01-30 | 漳州理工职业学院 | A kind of docking facilities of metal filter bag |
| GB201819455D0 (en) * | 2018-11-29 | 2019-01-16 | Johnson Matthey Plc | Apparatus and method for coating substrates with washcoats |
| CN211753383U (en) * | 2019-12-17 | 2020-10-27 | 河南强大环保科技有限公司 | Metal filter bag butt-joint structural |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208465430U (en) * | 2018-04-09 | 2019-02-05 | 东莞市洪博运动用品有限公司 | A kind of chemical fibre cloth bag |
| CN211189446U (en) * | 2019-12-03 | 2020-08-07 | 合肥丽清环保设备有限公司 | Dust bag jetting pipe afterbody fixed knot constructs |
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