CN113082860B

CN113082860B - Gas filtering device convenient to assemble and disassemble

Info

Publication number: CN113082860B
Application number: CN202110325827.XA
Authority: CN
Inventors: 薛世峰; 席鹏超; 朱秀星; 贾朋
Original assignee: China University of Petroleum East China
Current assignee: China University of Petroleum East China
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-07-08
Anticipated expiration: 2041-03-26
Also published as: CN113082860A

Abstract

The invention provides a filter device convenient to assemble and disassemble for the technical field of gas filtration, which structurally comprises a cover plate, a filter piece, an end cover, a bearing, a support component, a clutch component and the like; the cover plate is arranged at the lower end of the filter element and is connected with the lower flange of the separating tank; the upper end of the filter element is provided with an end cover, the end cover is connected with an upper flange in the separation tank, and the cover plate and the end cover are symmetrically designed and arranged at two ends of the filter element in space; the inside of the filter element is provided with a bearing, a supporting component, a clutch component and the like, and the supporting component is arranged between the two bearings; a clutch component is arranged between the bearing and the end cover, so that the problem of connection looseness caused by different thread turning directions of the upper end component and the lower end component can be solved; the invention has simple structure and convenient assembly and disassembly, can effectively play the roles of filtering solid-phase impurities and reliably supporting the surface of the filtering piece under the action of high-speed airflow in the separation tank, and provides guarantee for long-term and good filtering effect of the filtering piece.

Description

Gas filtering device convenient to assemble and disassemble

Technical Field

The invention belongs to the technical field of gas filtration, and particularly relates to a gas filtering device convenient to assemble and disassemble.

Background

The gas filter is a device for capturing dust from gas-solid two-phase flow through the action of a porous filter material and purifying gas, and in order to obtain clean air which can reach the standard, a general ventilation filter is used for capturing and adsorbing dust particles with different particle sizes in the air so as to improve the air quality;

the existing gas filtering method is that gas carrying impurity particles is transmitted into a filter, the impurity particles are separated and filtered out through a filter screen, and a tool is usually adopted to rotate the filter in the installation process of the filter, so that the filter and a separating tank can be screwed together;

in the existing gas filtering method, the deformation of the filter screen is easily caused in the process of filtering large-flow gas, so that impurity particles flow in a deformation gap of the filter screen, the filtering effect of the gas is reduced, the filter is difficult to be completely screwed and fixed due to the problem of the thread directions at two ends of the filter in the process of installing the filter, and the device is easily dropped in the process of rotating and filtering.

Disclosure of Invention

An object of an embodiment of the present invention is to provide a gas filtering apparatus that is easy to assemble and disassemble, and aims to solve the problems in the background art.

The technical scheme of the invention is as follows: the filter element comprises a cover plate, a filter element, end covers, bearings, a supporting component and a clutch component, wherein the cover plate and the end covers are symmetrically arranged at two ends of the filter element and are sequentially connected through threads. The gas filtering device convenient to assemble and disassemble further comprises:

a support member mounted inside the filter element and located between the two bearings inside the filter element, with a rotational degree of freedom. When the component rotates, the component can be radially expanded under the action of inertia force to support the inner surface of the filter element, so that the filter element is prevented from generating large deformation under the action of air flow, and the filtering effect is reduced;

the clutch component is connected with the support component in a spline connection mode and is positioned inside the filter piece and between the second bearing and the end cover; the rotation of the clutch component can drive the supporting component to rotate synchronously.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following technical effects:

the problem of connection looseness caused by different screwing directions of the upper end part and the lower end part in the process of installing the device in the separation tank can be effectively solved;

secondly, by means of the inertia force and the rotation spreading effect of the supporting component, when the airflow acts on the surface of the filter element,

may support the inner surface thereof.

The device's simple structure, it is convenient to load and unload, under the high velocity air effect in the knockout drum, can exert effectively and filter solid phase impurity and support the effect on filtering a piece surface reliably, for filtering a permanent and good filter effect of piece and provide the assurance.

Drawings

Fig. 1 is a schematic perspective view of a gas filtering apparatus convenient to assemble and disassemble according to an embodiment of the present invention;

FIG. 2 is a perspective view of the support member of FIG. 1;

FIG. 3 is a schematic perspective view of the rotating mechanism in FIG. 2;

FIG. 4 is a perspective view of the support plate of FIG. 2;

FIG. 5 is a schematic perspective view of the cover plate of FIG. 1;

FIG. 6 is a perspective view of the end cap of FIG. 1;

FIG. 7 is a perspective view of the clutch member of FIG. 1;

fig. 8 is a schematic diagram of the path of fluid flow through the device.

In the drawings: 1-cover plate; 1 a-a first connecting shaft; 1 b-a first card slot; 1 c-a vent; 2-a filter element; 3-a first bearing; 4-a support member; 4.1-rotation axis; 4.1 a-first support disc; 4.1 b-connector; 4.1 c-second support disk; 4.1 d-external spline; 4.2-screw; 4.3-nut; 4.4-support plate; 4.4 a-support plate body; 4.4 b-connecting hole; 4.4 c-connecting rod; 5-a second bearing; 6-a clutch component; 6.1-rotating member; 6.1 a-internal spline; 6.1 b-wedge groove; 6.1 c-a second connecting shaft; 7-end cap; 7 a-a large diameter thread segment; 7 b-second card slot.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that, for those skilled in the art, several modifications can be made without departing from the spirit of the present invention; in order to make the technical solution of the present invention clearer, the process steps and device structures well known in the art are omitted herein; it should be understood that like reference numerals refer to like elements throughout. Further, various elements and regions in the drawings are schematically illustrated. Accordingly, the concepts of the present invention are not limited to the relative sizes or spacings shown in the figures.

The specific implementation of the present invention will now be described in detail with reference to specific embodiments.

As shown in fig. 1, a structure diagram of a gas filtering apparatus easy to assemble and disassemble according to an embodiment of the present invention includes:

a gas filtering device convenient to assemble and disassemble comprises a cover plate 1, a filtering piece 2 and end covers 7, wherein the cover plate 1 and the end covers 7 are symmetrically arranged at two ends of the filtering piece 2; apron 1 and filter 2, filter and all pass through threaded connection between 2 and the end cover 7, in addition, filter 2 inside still includes: a first bearing 3, a support member 4, a second bearing 5, a clutch member 6;

the first bearing 3 is limited in axial freedom by the cover plate 1, and the two are mutually attached;

a supporting component 4 is arranged between the first bearing 3 and the second bearing 5, and contact surfaces of the first bearing 3 and the second bearing are tightly attached to each other in sequence;

the support element 4 has a degree of freedom of rotation about the axis of rotation, and when the air flow acts on the outer surface of the filter element 2, the support element 4 rotates, transmitting the movement of the planar linkage to the support plate 4.4, causing it to displace radially, supporting the inner surface of the filter element 2;

in the embodiment of the invention, the first bearing 3 and the second bearing 5, the support part 4, the clutch part 6 and the like are arranged inside the filter element 2, the support part 4 is arranged between the two bearings, and when airflow acts on the outer surface of the filter element 2, the support part provides support force for the inner surface of the filter element 2 to avoid large deformation; a clutch component 6 is arranged between the second bearing 5 and the end cover 7, and the problem of connection looseness caused by different thread screwing directions of the upper end component and the lower end component can be solved in the process that the device is arranged in the separation tank. The invention has simple structure and convenient assembly and disassembly, can effectively play the roles of filtering solid-phase impurities and reliably supporting the surface of the filter piece under the action of high-speed airflow in the separation tank, and provides guarantee for long-term and good filtering effect of the filter piece;

preferably, the connecting member includes a first bearing 3 and a second bearing 5, the first bearing 3 is installed between the cover plate 1 and the support member 4, and the second bearing 5 is installed between the end cover 7 and the clutch member 6; the first bearing 3 and the second bearing 5 are connected with the cover plate 1, the supporting component 4, the clutch component 6 and the end cover 7, so that certain interaction force is generated between the cover plate 1 and the end cover 7 and the supporting component 4, and no relative sliding is generated between the first bearing 3 and the supporting component 4 and between the supporting component 4 and the second bearing 5;

preferably, the clutch component 6 is mounted inside the filter element 2, located between the second bearing 5 and the end cap 7, and connected with a rotating mechanism through a spline; the small diameter section of clutch part 6 outside extension is threaded, and with the last flange joint in the knockout drum, its effect is: during forward rotation, the rotational speed accelerates in the twinkling of an eye, leads to slewing mechanism to strut under the effect of inertial force, afterwards, reduces the rotational speed gradually until static, the inside auto-lock of back reverse low-speed rotation of clutch parts, causes slewing mechanism can not withdraw under the effect of inertial force, with the help of this characteristic, is convenient for fasten end cover 7 with take the screw thread part on the apron 1.

As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the support member 4 includes a rotation mechanism and a support plate 4.4, the rotation mechanism is mounted at the axial position of the cover plate 1 and the end cover 7, is connected with the support plate 4.4 through a connecting rod, and is located inside the filter element 2, and the rotation mechanism transmits power to the connecting rod through rotating around the axis, and the support plate 4.1 is displaced along the radial direction by the inertial force, so as to provide support for the filter element 2.

As shown in fig. 1 and fig. 3, as another preferred embodiment of the present invention, the rotating mechanism includes a rotating shaft 4.1 installed between the first bearing 3 and the second bearing 5, and both ends of the rotating shaft are symmetrically designed with a first supporting disk 4.1a and a second supporting disk 4.1c, an end surface of the second supporting disk 4.1c is designed with an external spline 4.1d, the external spline 4.1d is connected with the clutch component 6, and furthermore, the rotating shaft 4.1 is designed with at least two connecting members 4.1b, which are connected with the supporting plate 4.4 through a connecting rod 4.4 c.

As shown in fig. 3, as another preferred embodiment of the present invention, a plurality of exhaust ports are designed on the disc surface of the first supporting disc 4.1 a;

preferably, the cross-sectional shape of the external spline 4.1d can be rectangular, triangular, hexagonal, etc., and for manufacturing convenience, the present invention adopts a rectangular cross-section, and the shape of the external spline 4.1d is designed to be consistent with the shape of the internal spline 6.1a, so that the clutch member 6 can drive the rotating shaft 4.1 to rotate along a synchronous axis.

As shown in fig. 4, as another preferred embodiment of the present invention, the support plate 4.4 is installed inside the filter element 2, and its side near the rotating mechanism is designed with a connecting rod 4.4 c; the connecting rod 4.4c is connected with the supporting plate 4.4, and a connecting hole 4.4b is formed in one end, far away from the supporting plate 4.4, of the connecting rod 4.4c and hinged with the transmission mechanism;

at least two groups of support plates 4.4 are designed, three groups of support plates 4.4 are preferably adopted in the invention, the included angle between the three groups of support plates 4.4 is 120 degrees, the cross section of each support plate 4.4 is in a sector ring shape, and after the support plates 4.4 are expanded, the damage to the inner surface of the filter element 2 is reduced as much as possible.

Preferably, in order to facilitate the rotation mechanism to be hinged with the support plate 4.4, a screw rod 4.2 and a nut 4.3 are arranged in the connecting hole 4.4b, so that the connecting rod 4.4c is hinged with the connecting hole 4.4 b.

As shown in fig. 5, as another preferred embodiment of the present invention, the cover plate 1 is designed with a plurality of vent holes 1c, and the vent holes 1c are designed on the cover plate 1, which are actually exhaust holes, and when the gas is gathered to a certain extent after entering the inside of the device, the gas will be exhausted from the vent holes under the combined action of the pressure gradient and gravity.

Preferably, the gas filtering device convenient to mount and dismount further comprises a first connecting shaft 1a and a first clamping groove 1b, and the first connecting shaft 1a and the first clamping groove 1b are convenient for applying torque to screwing of threads so as to mount the lower end of the device.

As shown in fig. 7, as another preferred embodiment of the present invention, the clutch component 6 includes a rotating member 6.1, and the end surface of the rotating member 6.1 is designed with an internal spline 6.1a, which can be engaged with an external spline 4.1d, so as to provide torque for the rotating mechanism when the rotating member rotates; the side surface of the rotating piece 6.1 is provided with a wedge block groove 6.1b which is positioned between the rotating piece 6.1 and the end cover 7 and is a key part for realizing self-locking and unlocking of the clutch part 6; the second connecting shaft 6.1c is a small diameter section of the rotating member 6.1, is tapped with threads and is connected with an upper flange in the separation tank.

As shown in fig. 1, 6 and 7, a tool is adopted to apply torque to the second clamping groove 7b on the end cover 7 clockwise, the clutch component 6 and the end cover 7 are self-locked, the end cover 7 drives the clutch component 6 to synchronously rotate, so that the second connecting shaft 6.1c is screwed with an upper flange of the separation tank, after the second connecting shaft 6.1c is fastened with the upper flange of the separation tank through a nut, the end cover 7 rapidly rotates anticlockwise, at the moment, the clutch component 6 and the end cover 7 are in an unlocked state, the end cover 7 drives the cover plate 1 to rotate anticlockwise, so that the first connecting shaft 1b is fastened with a lower flange of the separation tank through the nut, and the whole filter is mounted;

preferably, as shown in fig. 2, 3, 4 and 8, the support plate 4.4 is in contact with the rotating shaft 4.1 under the action of no external force, when the end cover 7 is rotated clockwise by using the tooling, the separation assembly 6 and the end cover 7 are in a self-locking state, the separation assembly 6 drives the rotating shaft 4.1 to perform axial rotation, and the support plate 4.4 is rotated synchronously by the connecting rod 4.4c, so that the support plate 4.4 supports the filter element 2 in an outward expanding manner, and when the first connecting shaft 1a is screwed and fastened with the lower flange of the separation tank, the end cover 7 rotates counterclockwise, the clutch member 6 and the end cover 7 are in an unlocked state, so that the clutch member 6 and the end cover 7 do not rotate synchronously, and the support plate 4.4 is under the action of airflow force and inertia force, the filter element 2 will be continuously supported.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a gas filtering device convenient to loading and unloading, includes apron, filtration piece and end cover, apron and end cover are installed in the both ends of filtering the piece, and the three loops through threaded connection, its characterized in that, gas filtering device still includes:

a support member configured to be mounted within the filter element for rotation about its own axis and to support the inner surface of the filter element under the influence of gas flow when expanded to a certain extent;

connecting parts, which are arranged and designed at both ends of the supporting part and are used for connecting the cover plate and the end cover with the supporting part;

the clutch component is designed to be installed in the end cover and connected with the end cover, one end, far away from the cover plate, of the clutch component is connected with a separator for gas-solid separation, and the clutch component is used for driving the cover plate to synchronously rotate when rotating one end, close to the end cover, of the supporting component;

and a fixing member designed to be installed at both ends of the gas filtering device, the fixing member being used to connect the clutch member and the cover plate with a separator.

2. A removable gas filtering device according to claim 1, wherein said supporting member comprises a rotating mechanism and a supporting plate, said rotating mechanism is configured to be mounted at the axial center of said cover plate and said end cap, said supporting plate is configured to be mounted in said filtering member, said rotating mechanism is connected to said supporting plate, said rotating mechanism is configured to provide power to drive said supporting plate to perform axial rotation under the action of the flowing air, and said supporting plate is configured to support said filtering member.

3. The gas filtering device convenient to assemble and disassemble according to claim 2, wherein the rotating mechanism comprises a rotating shaft, the rotating shaft is installed between the cover plate and the end cover, a first supporting plate and a second supporting plate are symmetrically designed at two ends of the rotating shaft, an exhaust port is designed on the first supporting plate, an external spline is designed at one end, away from the first supporting plate, of the second supporting plate, the external spline is connected with the end cover, at least two connecting pieces are designed on the rotating shaft, and both connecting pieces are connected with the supporting plate.

4. A gas filtering device as claimed in claim 2, wherein the supporting plate comprises a supporting body, the supporting body is designed to be mounted inside the filtering member, a connecting rod is designed on a side of the supporting body close to the rotating mechanism, the connecting rod is connected to the supporting body, and a connecting hole is designed on an end of the connecting rod far from the supporting body, and the connecting hole is connected to the rotating mechanism.

5. A removable gas filtering device according to claim 1, wherein said connecting means comprises a first bearing and a second bearing, said first bearing being configured to be mounted between said cover plate and said support member, said second bearing being configured to be mounted between said end cap and said support member.

6. A removable gas filtering device according to claim 1, wherein said cover plate is provided with ventilation holes.

7. A removable gas filtering device according to claim 1, further comprising a first locking slot and a second locking slot, said first locking slot being configured to be mounted on an outer side of said cover plate, said second locking slot being configured to be mounted on an outer side of said end cap.

8. The removable gas filtering device as recited in claim 1, wherein said clutch member comprises a rotatable member, said rotatable member is configured to be mounted in said end cap, a wedge groove is configured between said rotatable member and said end cap, and an end of said rotatable member adjacent to said support member is configured with an internal spline, said internal spline is configured to engage said support member.

9. A gas filtering device as claimed in claim 1, wherein said fixing means comprises a first connecting shaft and a second connecting shaft, said first connecting shaft is designed to be mounted on a side of said cover plate away from said supporting means, said second connecting shaft is designed to be mounted on a side of said clutch means away from said supporting means, and outer surfaces of said first connecting shaft and said second connecting shaft are designed with threads.