CN217569202U - Dust-accumulation-preventing air separation device for cyclone separator group - Google Patents
Dust-accumulation-preventing air separation device for cyclone separator group Download PDFInfo
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- CN217569202U CN217569202U CN202221554389.0U CN202221554389U CN217569202U CN 217569202 U CN217569202 U CN 217569202U CN 202221554389 U CN202221554389 U CN 202221554389U CN 217569202 U CN217569202 U CN 217569202U
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- air
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- deposition
- air distribution
- cyclone separator
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- 238000000926 separation method Methods 0.000 title claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 46
- 210000003284 Horns Anatomy 0.000 claims abstract description 7
- 238000009825 accumulation Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000001808 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides an anti-deposition air distribution device for a cyclone separator group, wherein the anti-deposition air distribution device is arranged at the central part of four cyclone separators; the dust deposition and air separation preventing device comprises an air inlet flange, an air separation cylinder, a horn air separation outlet and a dust deposition hopper; wherein, four trumpet-shaped air distributing outlets are uniformly arranged on the outer side surface of the air distributing cylinder; the top of the air distribution cylinder body is provided with an air inlet flange, and the bottom of the air distribution cylinder body is connected with an ash deposition hopper. The air inlet structure of the utility model prevents dust from accumulating at the feed inlet and prevents dust from accumulating; the air distribution is uniform.
Description
Technical Field
The utility model relates to a screening piece-rate system especially relates to a prevent deposition and divide wind device for cyclone group.
Background
A cyclone separator is a device used for separating solid particles of a gas-solid system. When the dusty airflow enters the cyclone separator from the air inlet pipe at the speed of 14-22 m/s, the airflow changes from linear motion to circular motion. The vast majority of the rotating airflow spirally moves downwards along the inner wall of the straight cylinder and moves towards the conical cylinder. This gas flow is commonly referred to as 'cyclonic gas flow'. The dusty airflow generates centrifugal force in the rotating process, and dust particles with the weight being more than that of the gas are thrown to the inner wall of the cylinder. Once the dust particles contact the wall, they lose their inertia force and fall down the wall by the momentum of the inlet velocity and downward gravity into the dust discharge pipe. When the rotating and descending outward rotating airflow reaches the cone, the outward rotating airflow is closed to the center of the dust remover due to the conical contraction. According to the principle of 'constant rotation moment', the tangential speed is continuously improved. When the airflow reaches a certain position at the lower end of the cone, the airflow rotates from the middle of the cyclone separator in the same rotating direction from bottom to top and continues to make spiral motion, namely 'internal rotation airflow'. Finally, the purified gas is discharged out of the cyclone separator through the exhaust inner pipe, and a part of dust particles which are not captured are also discharged out of the cyclone separator along with the exhaust.
The cyclone separator has the main characteristics of simple structure, large operation elasticity, high efficiency, convenient management and maintenance and low price, is used for collecting dust with the diameter of more than 5-10 mu m, and is particularly suitable for being used as an internal separation device of a fluidized bed reactor or a preseparator under the conditions of thicker dust particles, higher dust concentration and high temperature and high pressure.
The history of cyclone separators has been over a hundred years, but their development has been extremely rapid and it can now be said that it is ubiquitous and its use has covered all areas of industry. However, when four cyclone separators are combined together for use, two air inlet modes are adopted, one mode is a horizontal diffusion type air distribution device, the other mode is a vertical downward air distribution device, and the two modes have a problem that dust is easily accumulated in the air distribution device and is not distributed uniformly, and due to continuous dust accumulation, the area of an air distribution channel is reduced, the resistance is increased, the dust is not uniformly accumulated, and the non-uniform air distribution is also caused, so that the dust accumulation prevention of the air distribution device is ensured, and the important aspect of ensuring the stable work of the cyclone separators is also realized. According to different types of air distribution devices and causes of dust deposition, an air distribution device for preventing dust deposition, pre-separating and air equalizing is designed.
Disclosure of Invention
In order to solve the problems, the invention discloses an ash deposition prevention and air distribution device for a cyclone separator group, which is reasonable in design, and can prevent ash deposition, pre-separate and equalize air.
An anti-dust and air-separating device for a cyclone separator group is arranged in the central parts of four cyclone separators; the dust deposition and air separation preventing device comprises an air inlet flange, an air separation cylinder, a horn air separation outlet and a dust deposition hopper; wherein, four trumpet-shaped air distributing outlets are uniformly arranged on the outer side surface of the air distributing cylinder; the top of the air distribution cylinder body is provided with an air inlet flange, and the bottom of the air distribution cylinder body is connected with an ash deposition hopper.
The utility model discloses further improve, every the air-out end of tubaeform air-splitting air outlet is connected through coupling flange and cyclone's intake stack, guarantees the steadiness of connecting.
The utility model is further improved, the diameter of the inner cavity of each horn-shaped air distribution outlet is gradually reduced and contracted from the inner side air inlet end to the air outlet end, and the air is discharged through the horn mouth, so that the air running resistance is reduced; guarantee to ventilate smoothly and be convenient for the dust and drop in the deposition fill.
The utility model discloses further improve, the deposition bucket is the back taper.
The utility model discloses a theory of operation is:
the central parts of the four cyclone separators are provided with an anti-dust-deposition air-separating device, after airflow enters the anti-dust-deposition air-separating device from the upper part, the air is sent into an air inlet pipeline of the cyclone separators in an air-separating cylinder body through four horn air-separating air outlets, and gas-solid separation is carried out in the cyclone separators; because the air inlet pipeline of the cyclone separator is generally horizontally arranged, the gas needs to enter the air inlet pipeline of the cyclone separator through bending, and due to the change of the airflow direction in the air distribution cylinder, part of dust in the gas is influenced by inertia and gravity and is separated in advance and falls into the dust accumulation hopper; the dust is collected by the dust collecting hopper and is conveyed to the conveying equipment at the lower part to be conveyed away, the dust collecting and pre-separating effects are achieved, the dust concentration in the pre-separated gas can be reduced, the gas resistance can be reduced, and the separation efficiency is improved through the separation of the cyclone separator.
The utility model has the advantages that:
1. novel reasonable air inlet structure prevents that the dust from piling up at the air intake, prevents the deposition.
2. The novel air inlet structure is more uniform in air distribution and uniform in air distribution compared with a diffusion type air inlet pipe.
3. The gas flow field is smooth, the loss of the air speed of the inlet is reduced, the resistance is reduced, and the energy is saved and the consumption is reduced.
4. Inside the dust deposition prevention and air separation device, dust in partial gas can be separated in advance, the concentration of entering the cyclone separator is reduced, the resistance is reduced, and the collection efficiency is also improved.
5. The dust deposition and air separation preventing device is simple in structure and reduces input cost.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 and 2 are top views;
cross-sectional views AA in fig. 4, 3;
FIG. 5 is a schematic structural view of the connection of the dust and air preventing and separating device with the central parts of four cyclone separators;
fig. 6 and 5 are top views;
list of reference numerals:
wherein 1-an air inlet flange; 2-air distributing cylinder; 3-trumpet air distribution outlet; 4-ash deposition bucket; 5-a coupling flange; a-dust-deposition-preventing air-separating device and B-cyclone separator.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 6, the dust deposition and separation preventing device a for a cyclone separator group of the present embodiment is disposed at the center of four cyclone separators B; the dust deposition and air separation preventing device A comprises an air inlet flange 1, an air separation cylinder 2, a horn air separation outlet 3 and a dust deposition hopper 4; wherein, four trumpet-shaped air distributing outlets 3 are uniformly arranged on the outer side surface of the air distributing cylinder 2; the top of the air distribution cylinder body 2 is provided with an air inlet flange 1, and the bottom of the air distribution cylinder body is connected with an ash deposition hopper 4; the ash deposition bucket 4 is in an inverted cone shape.
The air outlet end of each trumpet-shaped air distribution air outlet 3 is connected with an air inlet pipeline of the cyclone separator (B) through a connecting flange 5; the diameter of the inner cavity of each horn-shaped air distribution outlet 3 is gradually reduced from the air inlet end to the air outlet end.
In the embodiment, an ash deposition and air separation preventing device is arranged at the central parts of four cyclone separators B, and after airflow enters the ash deposition and air separation preventing device from the upper part, the air is sent into an air inlet pipeline of the cyclone separators through four horn air distribution outlets 3 in an air distribution cylinder 2, so that gas-solid separation is carried out in the cyclone separators B; because the air inlet pipeline of the cyclone separator is generally horizontally arranged, the gas needs to enter the air inlet pipeline of the cyclone separator through bending, and due to the change of the airflow direction in the air distribution cylinder body 1, part of dust in the gas is influenced by inertia and gravity and is separated in advance and falls into the dust accumulation hopper 4; the accumulated dust is collected by the dust accumulation hopper and is sent to the lower conveying device to be conveyed away.
The technical means disclosed in the scheme of the invention are not limited to the technical means disclosed in the above embodiments, but also include the technical means formed by any combination of the above technical features.
Claims (4)
1. An anti-dust wind separation device for a cyclone separator group is characterized in that: wherein the dust deposition and air separation preventing device (A) is arranged at the central part of the four cyclone separators (B); the dust deposition and air separation device (A) comprises an air inlet flange (1), an air separation cylinder (2), a horn air separation outlet (3) and a dust deposition hopper (4); wherein four trumpet-shaped air distribution outlets (3) are uniformly arranged on the outer side surface of the air distribution cylinder body (2); the top of the air distribution cylinder body (2) is provided with an air inlet flange (1) and the bottom is connected with an ash deposition hopper (4).
2. An anti-dust wind device for a cyclone group according to claim 1, characterized in that: the air outlet end of each trumpet-shaped air distribution air outlet (3) is connected with the air inlet pipeline of the cyclone separator (B) through a connecting flange (5).
3. An anti-ash-deposition and wind-separation device for a cyclone group according to claim 1, characterized in that: the diameter of the inner cavity of each trumpet-shaped air distribution air outlet (3) is gradually reduced from the air inlet end to the air outlet end.
4. An anti-dust wind device for a cyclone group according to claim 1, characterized in that: the ash deposition bucket (4) is in an inverted cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221554389.0U CN217569202U (en) | 2022-06-21 | 2022-06-21 | Dust-accumulation-preventing air separation device for cyclone separator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221554389.0U CN217569202U (en) | 2022-06-21 | 2022-06-21 | Dust-accumulation-preventing air separation device for cyclone separator group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217569202U true CN217569202U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221554389.0U Active CN217569202U (en) | 2022-06-21 | 2022-06-21 | Dust-accumulation-preventing air separation device for cyclone separator group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217569202U (en) |
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2022
- 2022-06-21 CN CN202221554389.0U patent/CN217569202U/en active Active
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