CN217887298U - Dust filtering device - Google Patents
Dust filtering device Download PDFInfo
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- CN217887298U CN217887298U CN202023174334.0U CN202023174334U CN217887298U CN 217887298 U CN217887298 U CN 217887298U CN 202023174334 U CN202023174334 U CN 202023174334U CN 217887298 U CN217887298 U CN 217887298U
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- box body
- filter screen
- screen cylinder
- dust
- wall
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Abstract
The utility model discloses a dust filtering device, which comprises a box body; one end of the supporting keel is fixedly connected with the inner wall of one side of the box body, and the other side of the box body corresponding to the other end of the supporting keel is provided with a mounting hole; a filter screen cylinder is slidably sleeved on the support keel, one end of the filter screen cylinder far away from the mounting hole is abutted against the inner wall of the box body, and a sealing rubber ring is fixed on the end face of the other end of the filter screen cylinder; an end cover is arranged in the mounting hole, and a filter bag is wrapped on the outer surface of the filter screen cylinder. The advantages are that: the filter screen cylinder of the utility model is horizontally arranged and supported by the supporting keel, so that the filter screen cylinder can be effectively prevented from deforming under the impact action of flue gas, the service life is prolonged, and the normal dust filtration efficiency is ensured; one end of the filter screen cylinder is abutted to the inner wall of the box body, the sealing rubber ring is tightly connected to the other end of the filter screen cylinder through the end cover, and meanwhile, the sealing rubber ring can seal the hole wall of the mounting hole, so that the sealing performance of the two ends of the filter screen cylinder can be guaranteed, and the dust filtering effect is guaranteed.
Description
The technical field is as follows:
the utility model relates to a smoke and dust treatment facility technical field, in particular to dust filter.
Background art:
the bag type dust collector is a dry dust filtering device and is suitable for collecting fine, dry and non-fibrous dust; under the suction action of a fan at the exhaust port of the bag type dust collector, flue gas with certain pressure enters the bag type dust collector from the air inlet, dust-containing gas is filtered by using a filter bag in the bag type dust collector, dust in the gas is retained outside the filter bag by the filter bag, and the gas entering the filter bag is purified; at present, a filter bag in a bag type dust collector is sleeved on a screen mesh, and the screen mesh is vertically suspended on an exhaust port of an inner top cover of the bag type dust collector.
But under the impact of the flue gas that gets into in the bag collector for a long time, the screen cloth appears warping easily, influences normal dirt efficiency of straining, can lead to the leakproofness of screen cloth and gas vent junction to reduce after the screen cloth warp simultaneously, and then influences bag collector's the dirt effect of straining.
In addition, the filter bag material that present bag collector used is usually dacron, uses the application of dacron acupuncture filter felt the most, and its characteristics are: the normal temperature performance is good, the continuous working at 130 ℃ can be realized, and the elastic strength, the wear resistance and the heat resistance are all superior to those of nylon; however, in the practical process, the polyester material is easy to harden and the elastic strength is reduced when the environmental temperature is reduced, and when air is introduced from the exhaust port of the bag type dust collector to back flush dust on the filter bag, the filter bag is easy to blow and explode, so that the service life of equipment is influenced.
The utility model has the following contents:
an object of the utility model is to provide a can improve the dirt filtering device to flue gas shock resistance and effectively guarantee the dirt filtering effect.
The utility model discloses by following technical scheme implement: a dust filter comprises a box body and a plurality of supporting keels horizontally arranged between two sides in the box body; one end of the supporting keel is fixedly connected with the inner wall of one side of the box body, and the other side of the box body corresponding to the other end of the supporting keel is provided with a mounting hole; a filter screen cylinder is slidably sleeved on the support keel, one end of the filter screen cylinder, which is far away from the mounting hole, is abutted against the inner wall of the box body, and a sealing rubber ring is fixed on the end face of the other end of the filter screen cylinder; an end cover is arranged in the mounting hole, one end of a central shaft of the supporting keel penetrates through the end cover and is in threaded connection with a compression nut, the compression nut is abutted against the end cover, the end cover is abutted against the sealing rubber ring, and a filter bag is wrapped on the outer surface of the filter screen cylinder; an air inlet is formed in the top of the box body, an exhaust chamber is formed in the side wall, far away from the end cover, of the box body, the exhaust chamber is communicated with the interior of each filter screen cylinder, and an exhaust port is formed in the top surface of the exhaust chamber; the bottom of the box body is communicated with a dust exhaust pipe, and a dust exhaust valve is arranged on the dust exhaust pipe.
Further, the supporting keel comprises the central shaft and a keel frame body fixed on the central shaft; the other end of the central shaft is fixedly connected with the box body.
Furthermore, a limiting sleeve with an end face fixedly connected with the inner wall of the box body is coaxially sleeved on each supporting keel, and the filter bag on each supporting keel is in sliding contact with the inner wall of the limiting sleeve.
Further, the filter bag is made of a PTFE composite membrane.
The utility model has the advantages that: the flue gas enters the box body from the air inlet, dust in the flue gas is blocked by the filter bag, and the purified air enters the exhaust chamber through the inside of the filter screen cylinder and is exhausted out of the box body from the exhaust port; the filter screen cylinder of the utility model is horizontally arranged and supported by the supporting keel, so that the filter screen cylinder can be effectively prevented from deforming under the impact action of flue gas, the service life is prolonged, and the normal dust filtration efficiency is ensured; one end of the filter screen cylinder is abutted to the inner wall of the box body, the sealing rubber ring is tightly connected to the other end of the filter screen cylinder through the end cover, and meanwhile, the sealing rubber ring can seal the hole wall of the mounting hole, so that the sealing performance of the two ends of the filter screen cylinder can be guaranteed, and the dust filtering effect is guaranteed.
Description of the drawings:
fig. 1 is a top view of the present invention.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a sectional view B-B of fig. 1.
The parts in the drawings are numbered as follows: the dust removal device comprises a box body 1, a mounting hole 1.1, an air inlet 1.2, an air outlet 1.3, a supporting keel 2, a central shaft 2.1, a keel frame body 2.2, a filter screen cylinder 3, a sealing rubber ring 4, an end cover 5, a compression nut 6, a filter bag 7, a limiting sleeve 8, a dust exhaust pipe 9, a dust exhaust valve 10 and an air exhaust chamber 11.
The specific implementation mode is as follows:
as shown in fig. 1 to 3, a dust filter comprises a box body 1 and a plurality of supporting keels 2 horizontally arranged between two sides in the box body 1; the supporting keel 2 comprises a central shaft 2.1 and a keel frame body 2.2 fixed on the central shaft 2.1, one end of the supporting keel 2 is fixedly connected with the inner wall of one side of the box body 1, and the other side of the box body 1 corresponding to the other end of the supporting keel 2 is provided with a mounting hole 1.1; a filter screen cylinder 3 is slidably sleeved on the support keel 2, one end of the filter screen cylinder 3 far away from the mounting hole 1.1 is abutted against the inner wall of the box body 1, and a sealing rubber ring 4 is fixed on the end face of the other end of the filter screen cylinder 3; an end cover 5 is arranged in the mounting hole 1.1, one end of a central shaft 2.1 of the supporting keel 2 penetrates through the end cover 5 and is connected with a compression nut 6 in a threaded mode, and the other end of the central shaft 2.1 is fixedly connected with the box body 1; the compression nut 6 is abutted against the end cover 5, the end cover 5 is abutted against the sealing rubber ring 4, and the sealing rubber ring 4 is compressed at the end part of the filter screen cylinder 3 by the end cover 5 in the process of screwing the compression nut 6 into the end part of the central shaft 2.1; the outer surface of each filter screen cylinder 3 is wrapped with a filter bag 7, the top of the box body 1 is provided with an air inlet 1.2, the side wall of the box body 1, which is far away from the end cover 5, is fixedly provided with an exhaust chamber 11, the exhaust chamber 11 is communicated with the inside of each filter screen cylinder 3, and the top surface of the exhaust chamber 11 is provided with an exhaust port 1.3; the flue gas enters the box body 1 from the air inlet 1.2, dust in the flue gas is blocked by the filter bag 7, and purified air enters the exhaust chamber 11 through the inside of the filter screen cylinder 3 and then is discharged out of the box body 1 from the exhaust port 1.3; the bottom of the box body 1 is communicated with a dust exhaust pipe 9, a dust exhaust valve 10 is arranged on the dust exhaust pipe 9, and dust blocked by the filter bag 7 can be discharged out of the box body 1 through the dust exhaust pipe 9; the filter screen cylinder 3 of the utility model is horizontally arranged and supported by the supporting keel 2, so that the filter screen cylinder 3 can be effectively prevented from deforming under the impact action of flue gas, the service life is prolonged, and the normal dust filtration efficiency is ensured; one end of the filter screen cylinder 3 is abutted to the inner wall of the box body 1, the sealing rubber ring 4 is tightly arranged at the other end of the filter screen cylinder 3 through the end cover 5, meanwhile, the sealing rubber ring 4 can seal the hole wall of the mounting hole 1.1, and then the sealing performance of the two ends of the filter screen cylinder 3 can be ensured, and the dust filtering effect is ensured.
A limiting sleeve 8 with the end surface fixedly connected with the inner wall of the box body 1 is coaxially sleeved on each supporting keel 2, and a filter bag 7 on each supporting keel 2 is in sliding contact with the inner wall of the limiting sleeve 8; the adjacent filter screen cylinder 3 can be further sealed through the limiting sleeve 8, and the support effect on the filter screen cylinder 3 is achieved; the filter bag 7 is made of a PTFE composite membrane, has strong environmental adaptability, can still keep good elastic strength when the environmental temperature is reduced, and is beneficial to prolonging the service life.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A dust filter is characterized by comprising a box body and a plurality of supporting keels horizontally arranged between two sides in the box body; one end of the supporting keel is fixedly connected with the inner wall of one side of the box body, and the other side of the box body corresponding to the other end of the supporting keel is provided with a mounting hole; a filter screen cylinder is slidably sleeved on the support keel, one end of the filter screen cylinder, which is far away from the mounting hole, is abutted against the inner wall of the box body, and a sealing rubber ring is fixed on the end face of the other end of the filter screen cylinder; an end cover is arranged in the mounting hole, one end of a central shaft of the support keel penetrates through the end cover and is in threaded connection with a compression nut, the compression nut is abutted against the end cover, the end cover is abutted against the sealing rubber ring, and a filter bag is wrapped on the outer surface of the filter screen cylinder; an air inlet is formed in the top of the box body, an exhaust chamber is formed in the side wall, far away from the end cover, of the box body, the exhaust chamber is communicated with the interior of each filter screen cylinder, and an exhaust port is formed in the top surface of the exhaust chamber; the bottom of the box body is communicated with a dust exhaust pipe, and a dust exhaust valve is arranged on the dust exhaust pipe.
2. A dust filter arrangement according to claim 1, wherein the support keel comprises the central shaft and a keel block fixed to the central shaft; the other end of the central shaft is fixedly connected with the box body.
3. A dust filter according to claim 1 or 2, wherein a limiting sleeve is coaxially sleeved on each supporting keel, the end surface of the limiting sleeve is fixedly connected with the inner wall of the box body, and the filter bag on the supporting keel is in sliding contact with the inner wall of the limiting sleeve.
4. A dust filter arrangement according to claim 3, wherein the filter bag is made of PTFE composite film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174334.0U CN217887298U (en) | 2020-12-24 | 2020-12-24 | Dust filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023174334.0U CN217887298U (en) | 2020-12-24 | 2020-12-24 | Dust filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217887298U true CN217887298U (en) | 2022-11-25 |
Family
ID=84106278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023174334.0U Active CN217887298U (en) | 2020-12-24 | 2020-12-24 | Dust filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217887298U (en) |
-
2020
- 2020-12-24 CN CN202023174334.0U patent/CN217887298U/en active Active
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