CN207872421U - Whirlwind cyclone with centrifugal guide vane and cyclone - Google Patents
Whirlwind cyclone with centrifugal guide vane and cyclone Download PDFInfo
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- CN207872421U CN207872421U CN201721766540.6U CN201721766540U CN207872421U CN 207872421 U CN207872421 U CN 207872421U CN 201721766540 U CN201721766540 U CN 201721766540U CN 207872421 U CN207872421 U CN 207872421U
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- guide vane
- spiral guide
- cyclone
- cylinder
- transition
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Abstract
The utility model discloses a kind of Whirlwind cyclones with centrifugal guide vane, including cylinder and several spiral guide vanes for being fixed on cylinder inboard wall, several spiral guide vanes are evenly spaced in the inner wall of the cylinder, gas channel is constituted between the adjacent spiral guide vane, the vertical height of spiral guide vane described in monolithic is 1~1.2 times of external spiral diameter, the helix inclination angle of the spiral guide vane is 35 °~40 °, the spiral guide vane includes wide section and transition wide at the top and narrow at the bottom, the transition is connected to wide section of the lower end, the side of the transition is fixedly connected with the inner wall of cylinder.The invention also discloses the cyclones being made of the Whirlwind cyclone with centrifugal guide vane and gas-guide tube.The cyclone still has higher efficiency of dust collection when handling high-speed flow and the small density dust of small particle.
Description
Technical field
The present invention relates to a kind of Whirlwind cyclone and cyclones, more particularly to a kind of Whirlwind cyclone and whirlwind with centrifugal guide vane
Device.
Background technology
Cyclone separator abbreviation cyclone, principle are that the rotary motion to be formed is introduced tangentially by air-flow, make have compared with
The solid particle or drop and air-flow of big centrifugal inertial force separate.The structure of cyclone mainly include Whirlwind cyclone, centrifugal guide vane with
And gas-guide tube, Whirlwind cyclone, centrifugal guide vane and the separable setting of gas-guide tube three in the prior art.Centrifugal guide vane is by Whirlwind cyclone
Gap between side wall and gas-guide tube is divided into multiple gas channels, and the vertical height of centrifugal guide vane is inserted into less than gas-guide tube
The depth of Whirlwind cyclone so that after the flow rotation being oriented to through centrifugal guide vane, solid particle is close to the side wall of Whirlwind cyclone, after filtering
Gas is exported by gas-guide tube.Although the efficiency of dust collection of single cyclone is higher in the prior art, removed based on certain
Dirt wind speed, when wind speed of dust removal is improved to a certain degree, the efficiency of dust collection of cyclone will be decreased obviously.This makes removing for Wind Volume
Dirt equipment can only be achieved by expanding the volume of single cyclone or stacking more cyclones, undoubtedly increase equipment
Volume and manufacturing cost.In addition, being less than the little particle of 2g/m3, small density dust dedusting less than 5 microns, density for grain size
Efficiency is very low.
Invention content
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of Whirlwind cyclones with centrifugal guide vane, to solve
High wind speed air-flow efficiency of dust collection is relatively low, the low problem of little particle, small density dust efficiency of dust collection.
Technical solution of the present invention is as follows：A kind of Whirlwind cyclone with centrifugal guide vane, including cylinder and it is fixed on cylinder inboard wall
Several spiral guide vanes, several spiral guide vanes are evenly spaced in the inner wall of the cylinder, the adjacent spiral guide vane
Between constitute gas channel, the vertical height of spiral guide vane described in monolithic is 1~1.2 times of external spiral diameter, and the spiral is led
The helix inclination angle of leaf is 35 °~40 °, and the spiral guide vane includes wide section and transition wide at the top and narrow at the bottom, the gradual change
Section is connected to wide section of the lower end, and the side of the transition is fixedly connected with the inner wall of cylinder.
Further, the lower end width of the transition is less than or equal to the 1/2 of wide section of width.
Further, the tie point position of described wide section and transition is the vertical height of spiral guide vane described in monolithic
At 1/3~1/2.
Further, the inner edge line of described wide section and transition is circle in the tie point position of wide section and transition
Arc connects.
Further, the cylinder includes direct tube section and up big and down small truncted cone section, the truncted cone section connection
In the lower end of the direct tube section, the spiral guide vane is fixed on the inner wall at the top of the direct tube section.
Further, the spiral guide vane is equipped with 6~10.
Another technical solution of the present invention is a kind of cyclone, including the above-mentioned Whirlwind cyclone with centrifugal guide vane and air guide
Pipe, the gas-guide tube lower end are inserted into from the top of the cylinder, and the spiral guide vane separates between the gas-guide tube and cylinder
Gap.
Further, the gas-guide tube lower end plane is at the 2/3~3/4 of the vertical height of the spiral guide vane.
The advantages of technical solution provided by the present invention, is：By the size Control of spiral guide vane, extends air-flow and exist
Move distance in the channel that spiral guide vane is constituted avoids high-speed flow during guide vane is oriented to due to being oriented to apart from short, shakiness
Determine air-flow and disturbing influence efficiency of dust collection easily is constituted to eddy flow；The flaring of spiral guide vane end makes eddy flow in spiral guide vane lower end position
The rough air of generation does not directly affect central fluidizing gas, avoids air guide pipe end and directly arranges the air-flow for the solid particle being mingled with
Go out cyclone, which can be basic in the high-speed flow dedusting for making prior art cyclone efficiency of dust collection decline 10% or so
Original efficiency of dust collection is maintained, efficiency of dust collection, which reduces, is no more than 3%.Dust efficiency of dust collection simultaneously for grain size more than 10 microns can
It is improved from 98% or so to about 99%, and grain size is removed less than 5 microns, little particle of the density less than 2g/m3, small density dust
Dirt efficiency can be improved from 20% or so to about 70%.
Description of the drawings
Fig. 1 is the dimensional structure diagram of cyclone of the present invention.
Fig. 2 is the vertical section structure schematic diagram of cyclone of the present invention.
Fig. 3 is the spiral schematic front view of spiral guide vane.
Fig. 4 is the vertical profile stereochemical structure partial schematic diagram of cyclone.
Specific implementation mode
With reference to embodiment, the invention will be further described, but not as a limitation of the invention.
Please refer to figs. 1 to 4, the present embodiment is related to cyclone it is same as the prior art be same include three
Divide Whirlwind cyclone 1, spiral guide vane 2 and gas-guide tube 3, but spiral guide vane 2 is fixedly connected with 1 phase of Whirlwind cyclone, it is non-dismountable.Whirlwind cyclone
1 is the cylinder of one section of upper and lower opening, and cylinder includes a direct tube section 4 and a up big and down small truncted cone section 5, frustum of a cone
Section 5 is connected to the lower end of direct tube section 4.Several spiral guide vanes 2, spiral is equally spacedly distributed in inner wall at the top of direct tube section 4
The quantity of guide vane 2 can be used 6 by the conventional amounts of the prior art, can not also be waited with the conventional amounts of the prior art and use 6
More than piece, it is considered that quantity is no more than 10.Since spiral guide vane 2 itself will occupy one of 1 area of section of Whirlwind cyclone
Point, excessive spiral guide vane 2 will reduce the negotiable section of air-flow, while the too small whirlwind that is also unfavorable in single gas channel section removes
Dirt.The boundary line of spiral guide vane 2 and cylinder is circular helix, and the vertical height H of monolithic spiral guide vane 2 is external spiral diameter D
That is the circular helix inclination angle of 1~1.2 times of cylinder internal diameter, spiral guide vane 2 is 35 °~40 °, which makes list
Piece spiral guide vane 2 has enough length in its vertical height H so that high-speed flow can lead in spiral guide vane 2 and flow downward
Enough time achievees the purpose that air-flow plays rotation separation.It is that the blade of equal in width is different from spiral guide vane 2 in the prior art, this implementation
The spiral guide vane 2 of monolithic includes that wide section 6 and transition 7 wide at the top and narrow at the bottom, transition 7 are connected to wide section 6 of lower end in example,
8 position of tie point of wide section 6 and transition 7 is the lower end of transition 7 at the 1/3~1/2 of the vertical height H of spiral guide vane 2
Width W1 is less than or equal to the 1/2 of wide section of 6 width W2.The side of transition 7 is fixedly connected with the inner wall of cylinder, that is to say, that spiral shell
Revolve guide vane 2 transition 7 be to narrow from inside to outside, the inside edge of spiral guide vane 2 constitute be flared downwards it is horn-like.In order to make
Air-flow does not cause sinuous flow in the intersection of wide section 6 and transition 7, and the inner edge line of wide section 6 and transition 7 is at wide section 6
8 position of tie point with transition 7 is circular sliding slopes.3 lower end of gas-guide tube is inserted into from the top of cylinder, makes to hold level with both hands under gas-guide tube 3
Face is at the 2/3~3/4 of the vertical height H of spiral guide vane 2, i.e., the Partial Height h that gas-guide tube 3 stretches into cylinder is spiral guide vane
The 2/3~3/4 of 2 vertical height H.In conjunction with the width gradual change structure of spiral guide vane 2, the part of cylinder is stretched into gas-guide tube 3,
Middle upper semisection is contacted with 2 inside edge of spiral guide vane, and spiral guide vane 2 is separated by the gap between gas-guide tube 3 and cylinder completely.
Gas-guide tube 3 stretches into the lower semisection of the part of cylinder, and as spiral guide vane 2 becomes narrow gradually, the inside edge of spiral guide vane 2 is gradually distance from
Gas-guide tube 3 forms the structure of part segregated portion connection, on the one hand can keep the guiding role of spiral guide vane 2, on the other hand
The continuous rotation for promoting air-flow avoids dust-contained airflow from not detaching the reduction for just being exported by gas-guide tube 3 and causing efficiency of dust collection also.
Claims (8)
1. a kind of Whirlwind cyclone with centrifugal guide vane, it is characterised in that：It is led including cylinder and several spirals for being fixed on cylinder inboard wall
Leaf, several spiral guide vanes are evenly spaced on constitutes gas between the inner wall of the cylinder, the adjacent spiral guide vane
Circulation road, the vertical height of spiral guide vane described in monolithic are 1~1.2 times of external spiral diameter, the helix of the spiral guide vane
Inclination angle is 35 °~40 °, and the spiral guide vane includes wide section and transition wide at the top and narrow at the bottom, and the transition is connected to institute
Wide section of lower end is stated, the side of the transition is fixedly connected with the inner wall of cylinder.
2. a kind of Whirlwind cyclone with centrifugal guide vane according to claim 1, it is characterised in that：The lower end of the transition is wide
1/2 of degree less than or equal to wide section of width.
3. a kind of Whirlwind cyclone with centrifugal guide vane according to claim 1, it is characterised in that：Described wide section and transition
Tie point position be monolithic described in spiral guide vane vertical height 1/3~1/2 at.
4. a kind of Whirlwind cyclone with centrifugal guide vane according to claim 1, it is characterised in that：Described wide section and transition
Inner edge line in the tie point position of wide section and transition be circular sliding slopes.
5. a kind of Whirlwind cyclone with centrifugal guide vane according to claim 1, it is characterised in that：The cylinder includes direct tube section
With up big and down small truncted cone section, the truncted cone section is connected to the lower end of the direct tube section, and the spiral guide vane is fixed
Inner wall in the top of the direct tube section.
6. a kind of Whirlwind cyclone with centrifugal guide vane according to claim 1, it is characterised in that：The spiral guide vane is equipped with 6
~10.
7. a kind of cyclone, it is characterised in that：Including the band centrifugal guide vane described in any one of gas-guide tube and claim 1-6
Whirlwind cyclone, the gas-guide tube lower end is inserted into from the top of the cylinder, and the spiral guide vane separates the gas-guide tube and cylinder
Between gap.
8. cyclone according to claim 7, it is characterised in that：The gas-guide tube lower end plane is in the spiral guide vane
Vertical height 2/3~3/4 at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766540.6U CN207872421U (en) | 2017-12-18 | 2017-12-18 | Whirlwind cyclone with centrifugal guide vane and cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766540.6U CN207872421U (en) | 2017-12-18 | 2017-12-18 | Whirlwind cyclone with centrifugal guide vane and cyclone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207872421U true CN207872421U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721766540.6U Active CN207872421U (en) | 2017-12-18 | 2017-12-18 | Whirlwind cyclone with centrifugal guide vane and cyclone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930870A (en) * | 2017-12-18 | 2018-04-20 | 江苏鑫华能环保工程股份有限公司 | Whirlwind cyclone and cyclone with centrifugal guide vane |
-
2017
- 2017-12-18 CN CN201721766540.6U patent/CN207872421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107930870A (en) * | 2017-12-18 | 2018-04-20 | 江苏鑫华能环保工程股份有限公司 | Whirlwind cyclone and cyclone with centrifugal guide vane |
| CN107930870B (en) * | 2017-12-18 | 2024-04-16 | 江苏鑫华能环保工程股份有限公司 | Cyclone with centrifugal guide vane and cyclone |
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