CN210171007U - Low-resistance rotational flow dehydrator - Google Patents
Low-resistance rotational flow dehydrator Download PDFInfo
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- CN210171007U CN210171007U CN201920123484.7U CN201920123484U CN210171007U CN 210171007 U CN210171007 U CN 210171007U CN 201920123484 U CN201920123484 U CN 201920123484U CN 210171007 U CN210171007 U CN 210171007U
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Abstract
The utility model relates to the technical field of flue gas dehydration, in particular to a low-resistance rotational flow dehydrator, which comprises a cylinder body; an air inlet is formed in the side face of the bottom of the cylinder body, and the air inlet direction of the air inlet is tangent to the cylinder body; the barrel is internally provided with a first outward rotating impeller, an inward rotating impeller and a second outward rotating impeller from bottom to top in sequence. The utility model discloses a first external rotation impeller, internal rotation impeller and the external rotation impeller of second have set gradually in the inside from the bottom up of barrel, the flue gas tangential gets into the inside back of dehydrator barrel, under the drive of first external rotation impeller, internal rotation impeller and the external rotation impeller of second, the flue gas is through centrifugation-polymerization-centrifugal collision dehydration in proper order, the flue gas after the dehydration is discharged from the gas outlet through the breakwater, greatly improved dehydration efficiency, dehydration efficiency reaches 98%, reduced the dehydration and hindered the loss, resistance loss is only 0.5-1.0 kpa.
Description
Technical Field
The utility model relates to a flue gas dehydration technical field specifically is a low resistance whirl dehydrator.
Background
The dust removal is a process of separating the particles from the smoke dust, and collecting and recycling the particles.
According to the regulation of GB 28664-2012 national standard 'emission standard of atmospheric pollutants for steelmaking industry', the limit value of emission of flue gas particles of the furnace is 50mg/m during startup of the converter once in 1 month and 1 day of 2015, and at present, many dust removing equipment of enterprises still fail to reach the national standard; in 2018, the ministry of environmental protection issues' ultra-low emission improvement working schemes (solicited comments) of iron and steel enterprises again, and emission standards are bound to be tightened again; the local emission standard of many provinces such as Hebei, Jiangsu and Guangdong is set as 30mg/m for carrying out the high-yield cultivation, and the method is stricter when the cultivation is carried out to the first grade of city and county. Therefore, in order to improve the overall dust removal efficiency, the improvement of the dehydration efficiency of the dehydrator is the key for realizing lower or even ultralow emission (10 mg/m) of the primary flue gas of the converter while improving the dust removal efficiency of the wet dust removal equipment (coarse dust removal equipment and fine dust removal equipment).
Therefore, in view of the above situation, there is a need to develop a low resistance cyclone dehydrator to overcome the shortcomings of the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low resistance whirl dehydrator to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a low resistance rotational flow dehydrator comprises a cylinder body; an air inlet is formed in the side face of the bottom of the cylinder body, and the air inlet direction of the air inlet is tangent to the cylinder body; the barrel is internally provided with a first outward rotating impeller, an inward rotating impeller and a second outward rotating impeller from bottom to top in sequence.
As a further aspect of the present invention: the barrel is of a hollow cylindrical structure.
As a further aspect of the present invention: and the first external rotation impeller, the internal rotation impeller and the second external rotation impeller are welded and installed on the inner wall of the cylinder body.
As a further aspect of the present invention: the first external rotation impeller and the second external rotation impeller have the same rotating direction, and the rotating directions of the first external rotation impeller and the internal rotation impeller are opposite.
As a further aspect of the present invention: the top of barrel is provided with the gas outlet, and barrel inside is located gas outlet department and is provided with the breakwater.
As a further aspect of the present invention: the first outer-rotating impeller, the inner-rotating impeller and the second outer-rotating impeller are provided with 10-20 blades which are uniformly distributed at an angle of 25-50 degrees.
A low-resistance rotational flow dehydration device comprises the low-resistance rotational flow dehydration device.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first external rotation impeller, internal rotation impeller and the external rotation impeller of second have set gradually in the inside from the bottom up of barrel, the flue gas tangential gets into the inside back of dehydrator barrel, under the drive of first external rotation impeller, internal rotation impeller and the external rotation impeller of second, the flue gas is through centrifugation-polymerization-centrifugal collision dehydration in proper order, the flue gas after the dehydration is discharged from the gas outlet through the breakwater, greatly improved dehydration efficiency, dehydration efficiency reaches 98%, reduced the dehydration and hindered the loss, resistance loss is only 0.5-1.0 kpa.
Drawings
FIG. 1 is a schematic diagram of a low resistance cyclonic dehydrator.
FIG. 2 is a top view of a low drag cyclonic dehydrator.
FIG. 3 is a schematic diagram of the structure of the flue gas flow in the low resistance cyclone dehydrator.
Fig. 4 is a schematic structural diagram of a first outward-rotation impeller or a second outward-rotation impeller in the low-resistance cyclone dehydrator.
Fig. 5 is a schematic structural diagram of an internal rotation impeller in the low resistance cyclone dehydrator.
In the figure: 1-air inlet, 2-cylinder, 3-first external rotation impeller, 4-internal rotation impeller, 5-second external rotation impeller, 6-air outlet and 7-water baffle.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-5, in an embodiment of the present invention, a low resistance cyclone dehydrator includes a cylinder 2; the cylinder body 2 is of a hollow cylindrical structure, an air inlet 1 is formed in the side face of the bottom of the cylinder body 2, and the air inlet direction of the air inlet 1 is tangential to the cylinder body 2; a first outward-rotating impeller 3, an inward-rotating impeller 4 and a second outward-rotating impeller 5 are sequentially arranged in the cylinder body 2 from bottom to top, the first outward-rotating impeller 3, the inward-rotating impeller 4 and the second outward-rotating impeller 5 are all welded and installed on the inner wall of the cylinder body 2, the rotating directions of the first outward-rotating impeller 3 and the second outward-rotating impeller 5 are the same, the rotating directions of the first outward-rotating impeller 3 and the inward-rotating impeller 4 are opposite, smoke entering from the air inlet 1 in the tangential direction is sequentially contacted with the first outward-rotating impeller 3, the inward-rotating impeller 4 and the second outward-rotating impeller 5 from bottom to top, the first outward-rotating impeller 3 throws the smoke outwards onto the cylinder wall, the inward-rotating impeller 4 gathers the smoke towards the center to enable the gas to be subjected to collision and dehydration, and the second outward-rotating impeller 5 throws the gathered smoke towards the cylinder wall again, so that the smoke flowing upwards is subjected to centrifugal-polymerization-centrifugal;
the top of the cylinder body 2 is provided with an air outlet 6, a water baffle 7 is arranged in the cylinder body 2 at the position of the air outlet 6, and the dehydrated flue gas is discharged from the air outlet 6 through the water baffle 7;
specifically, in this embodiment, the first outer-rotation impeller 3, the inner-rotation impeller 4 and the second outer-rotation impeller 5 each have 10 to 20 blades, the blades are uniformly distributed at an angle of 25 to 50 degrees, and the number and the angle of the blades are set according to the actual amount of flue gas.
Example 2
A low resistance cyclone dewatering device comprising the low resistance cyclone dewatering device of embodiment 1.
The utility model discloses a first external rotation impeller, internal rotation impeller and the external rotation impeller of second have set gradually in the inside from the bottom up of barrel, the flue gas tangential gets into the inside back of dehydrator barrel, under the drive of first external rotation impeller, internal rotation impeller and the external rotation impeller of second, the flue gas is through centrifugation-polymerization-centrifugal collision dehydration in proper order, the flue gas after the dehydration is discharged from the gas outlet through the breakwater, greatly improved dehydration efficiency, dehydration efficiency reaches 98%, reduced the dehydration and hindered the loss, resistance loss is only 0.5-1.0 kpa.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A low resistance rotational flow dehydrator comprises a cylinder body (2); the side of barrel (2) bottom is provided with air inlet (1), and its characterized in that, the direction of admitting air of air inlet (1) is tangent with barrel (2), and barrel (2) is inside from the bottom up has set gradually first external rotation impeller (3), internal rotation impeller (4) and second external rotation impeller (5).
2. The low drag cyclonic dehydrator of claim 1 wherein the cartridge (2) is of cylindrical structure with a hollow interior.
3. The low resistance cyclonic dehydrator of claim 2 wherein the first outer impeller (3), inner impeller (4) and second outer impeller (5) are all welded on the inner wall of the drum (2).
4. The low resistance cyclonic dehydrator of claim 3 wherein the first outward rotating impeller (3) and the second outward rotating impeller (5) rotate in the same direction and the first outward rotating impeller (3) and the inward rotating impeller (4) rotate in opposite directions.
5. The low resistance cyclone dehydrator according to claim 4, wherein the top of the barrel (2) is provided with an air outlet (6), and a water baffle (7) is arranged inside the barrel (2) at the air outlet (6).
6. The low resistance cyclone dehydrator according to claim 5 wherein the first outer rotating impeller (3), the inner rotating impeller (4) and the second outer rotating impeller (5) have 10-20 blades which are uniformly distributed at an angle of 25-50 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123484.7U CN210171007U (en) | 2019-01-24 | 2019-01-24 | Low-resistance rotational flow dehydrator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123484.7U CN210171007U (en) | 2019-01-24 | 2019-01-24 | Low-resistance rotational flow dehydrator |
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| CN210171007U true CN210171007U (en) | 2020-03-24 |
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| CN201920123484.7U Active CN210171007U (en) | 2019-01-24 | 2019-01-24 | Low-resistance rotational flow dehydrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828429A (en) * | 2021-09-18 | 2021-12-24 | 浙江工业大学 | System and process for deacidifying superfine powder |
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2019
- 2019-01-24 CN CN201920123484.7U patent/CN210171007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828429A (en) * | 2021-09-18 | 2021-12-24 | 浙江工业大学 | System and process for deacidifying superfine powder |
| CN113828429B (en) * | 2021-09-18 | 2024-03-19 | 浙江工业大学 | System and process for deacidifying ultrafine powder |
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