CN106870379A - A kind of Multi-stage centrifugal fan device - Google Patents
A kind of Multi-stage centrifugal fan device Download PDFInfo
- Publication number
- CN106870379A CN106870379A CN201710231463.2A CN201710231463A CN106870379A CN 106870379 A CN106870379 A CN 106870379A CN 201710231463 A CN201710231463 A CN 201710231463A CN 106870379 A CN106870379 A CN 106870379A
- Authority
- CN
- China
- Prior art keywords
- cavity
- centrifugal fan
- air inlet
- stage centrifugal
- tumbler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Abstract
The present invention discloses a kind of Multi-stage centrifugal fan device, after the impeller of housing rotates and to form negative pressure air is sucked with air inlet, and helical baffle is provided with air inlet and forms helical duct, the gas for so entering from air inlet will change the line of production raw centrifugal force with screw-passage rotating, so gas will be rotated into along the side wall of helical duct, and some tumblers are additionally provided with the side wall of helical duct, the gas for rotating into runs past the tumbler on the wall of side and drives it to rotate, and the sorbing material on tumbler just can be by the impurity absorption post in gas, tumbler turns to the impurity of sorbing material absorption under the brush cleaning brush in the lever moved up and down by electromagnet apparatus in cleaning cavity, complete the filtering of air inlet impurity, impurity is prevented into causing damage inside Multi-stage centrifugal fan.
Description
Technical field
Present invention design blower fan field, a kind of Multi-stage centrifugal fan device of specific design.
Background technology
Centrifugal fan is normally used in various commercial Applications, be mainly used in metallurgy, petrochemical industry, papermaking, glass, at sewage
The field such as reason and waterworks purification of water quality, in such as generating, cement, medicine, papermaking, weaving, colliery, food（Grain processing,
Wine brewing）Also it is widely used Deng other industries；Medium of its conveying is mainly air, or industrial gasses, such as vapor,
The gases such as carbon dioxide, nitrogen, coal gas, hydrogen sulfide；The principle of potential energy is changed by kinetic energy, using the impeller of high speed rotation by gas
Body accelerates, and then slows down, changes flow direction, kinetic energy is converted into potential energy, improves gas pressure and supplies gas side by side body, is a kind of driven
Fluid machinery.
Existing centrifugal blower is operationally by inlet charge, then using the multiple impellers in housing in housing
Then interior high speed rotation, the gas that inspiration enters from air inlet discharge from gas outlet, and this is a process of fan operation；But
The air inlet for being blower fan may be containing substantial amounts of particulate matter magazine, if suction centrifugal blower is interior while air is sucked
Portion, will easily damage impeller and internal side wall and passage component, and the cleaning of centrifugal blower is inconvenient again,
Improve cleaning cost.
The content of the invention
It is an object of the invention to provide a kind of Multi-stage centrifugal fan device, for reducing as gas tracks into centrifugation wind
Impurity inside machine, prevents impurity from damageeing impeller and internal side wall and passage component.
The present invention is achieved through the following technical solutions：A kind of Multi-stage centrifugal fan device, including by upper shell and lower house
The housing of composition, the housing central section is provided with axis, and described axis one end stretches out housing and is connected with direct drive axle for driving
Dynamic blower fan, has concatenated several impellers on the axis, diffuser immediately after and backflow are both provided with after each impeller
Device, is provided with spiral case after the return channel of the afterbody, described lower house one end is provided with gas outlet, and described upper shell one end sets
Air inlet is equipped with, helical baffle is provided with the air inlet for forming helical duct, on the side wall of the helical duct also
Some tumblers are provided with, the air inlet is also equipped with cleaning cavity, and the side of the tumbler is arranged at spiral and leads to
In road, opposite side is then arranged in cleaning cavity, and sorbing material is additionally provided with the tumbler, in the cleaning cavity also
Lever is provided with, some brushes is provided with the lever for swiping the impurity that sorbing material on tumbler is adsorbed, institute
The top and bottom for stating cleaning cavity are both provided with cavity, and the lever two ends are provided with dynamic plate, the cavity in stretching into cavity
In be provided with the electromagnet apparatus being connected with dynamic plate.
Preferably, the axis two ends are each provided with two rolling bearings for supporting axis, make its more preferable rotation.
Preferably, air guiding microflute is provided with the air inlet two side, the friction for reducing gas and wall
Loss, effectively improves the blast of air inlet air intake.
Preferably, each tumbler is correspondingly arranged on two brushes so that cleaning is cleaner.
Preferably, the electromagnet apparatus include the iron plate being arranged on dynamic plate and the electromagnetism for being arranged at cavity one end
Iron, electromagnet setting corresponding with iron plate, dynamic clamping head and quiet clamping head is additionally provided between the dynamic plate and cavity one end so that dynamic
Bar can be moved up and down, and the brush allowed in lever can preferably clean the impurity that sorbing material on tumbler is adsorbed with water.
Preferably, buffer stopper is provided with the electromagnet, for slowing down the impact bumped against between electromagnet and iron plate
Power, reduces noise, improves environment.
Preferably, the dynamic clamping head and quiet clamping head includes the limited block being arranged on dynamic plate and is arranged at the spacing of cavity one end
Block, spring is provided between the limited block of described two corresponding settings, prevents spring from deviating from.
Preferably, being provided with bristle on the brush, can more effectively clean sorbing material on tumbler with water and be adsorbed
Impurity.
The present invention sucks air after the impeller of housing rotates and to form negative pressure with air inlet, and spiral shell is provided with air inlet
Rotation baffle plate forms helical duct, will so be changed the line of production raw centrifugal force with screw-passage rotating from the gas that air inlet enters, so
Gas will be rotated into along the side wall of helical duct, and some tumblers are additionally provided with the side wall of helical duct, rotation
The gas for rotating into runs past the tumbler on the wall of side and drives it to rotate, and sorbing material on tumbler just can be by
Impurity absorption post in gas, tumbler is turned in the lever moved up and down by electromagnet apparatus in cleaning cavity
The impurity of sorbing material absorption, completes the filtering of air inlet impurity under brush cleaning brush, prevents impurity from entering Multi-stage centrifugal fan
Inside causes damage.
Compared with prior art, the present invention is advantageous in that：1）Spiral is formed by the helical baffle in air inlet
Passage air intake makes gas produce centrifugal force so that gas allows and follow gas by the tumbler set on the wall of helical duct side
The sorbing material that the impurity for entering together is rotated on device is absorbed into and cleaned in cavity by under the brush brush in lever；2）It is dynamic
Bar is moved up and down with electromagnet apparatus so that sorbing material absorption is miscellaneous under the brush significantly more efficient brush of energy in lever
Matter；3）The air guiding microflute set on air inlet two side is used to reduce the friction loss of gas and wall, effectively improves air inlet
The blast of mouth air intake.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the enlarged diagram of a-quadrant in Fig. 1.
Fig. 3 is the enlarged diagram in B regions in Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawings with specific embodiment, the invention will be further described, as shown in Figure 1 to Figure 3, Yi Zhongduo
Level centrifugal fan device, including the housing being made up of upper shell 4 and lower house 3, the housing central section is provided with axis 2, described
The one end of axis 2 stretches out housing and is connected with direct drive axle 1 for driving blower fan, and several impellers 6 have been concatenated on the axis 2,
Diffuser 7 and return channel 8 immediately after is both provided with after each impeller 6, snail is provided with after the return channel 8 of the afterbody
Shell 9, one end of the lower house 3 is provided with gas outlet 10, and the one end of the upper shell 4 is provided with air inlet 11, the air inlet 11
Helical baffle A1 is inside provided with for forming helical duct, some tumblers are additionally provided with the side wall of the helical duct
A3, the air inlet 11 is also equipped with cleaning cavity A2, and the side of the tumbler A3 is arranged in helical duct, opposite side
Then it is arranged in cleaning cavity A2, sorbing material A5 is additionally provided with the tumbler A3, is also set in the cleaning cavity A2
Lever A4 is equipped with, some brush A7 are provided with the lever A4 for swiping what sorbing material A5 on tumbler A3 was adsorbed
Impurity, the top and bottom of the cleaning cavity A2 are both provided with cavity A6, and the lever A4 two ends are set in stretching into cavity A6
There is plate B1, the electromagnet apparatus being connected with dynamic plate B1 are provided with the cavity A6；The two ends of the axis 2 are each provided with two
Rolling bearing 5 is used to support；The air inlet 11 is provided with air guiding microflute 12 on two side；Each tumbler A3 is corresponded to
It is provided with two brush A7；The electromagnet apparatus include the iron plate B6 being arranged on dynamic plate B1 and are arranged at cavity A6 one end
Electromagnet B2, the electromagnet B2 settings corresponding with iron plate B6 are additionally provided with bullet between the dynamic plate B1 and cavity A6 one end
Property return unit；Buffer stopper B5 is provided with the electromagnet B2；The dynamic clamping head and quiet clamping head is spacing on dynamic plate B1 including being arranged on
The block B3 and limited block B3 for being arranged at cavity A6 one end, spring is provided between the limited block B3 of described two corresponding settings
B4；Bristle is provided with the brush A7.
In present embodiment, direct drive axle 1 drives axis 2 to cause that the rotation of impeller 6 set on axis 2 in housing is produced
Negative pressure, thus by air inlet 11 suck gas, but in gas may carry substantial amounts of impurity, into blower fan in be easy for leading
Impeller 6 or other parts damages are caused, the gas of entrance is with the helical duct product of the helical baffle A1 formation set in air inlet 1
Raw centrifugal force, is just rotated into along the side wall of helical duct, and tumbler A3 is then provided with the side wall of helical duct, is turned
The centrifugal force of the gas that dynamic device A3 is entered drives and rotates, and the sorbing material A5 being provided with will be by gas
Impurity absorption is lived, and reduces impurity into the inside of centrifugal blower so as to cause damage.
In present embodiment, the side of tumbler A3 is arranged in helical duct, and opposite side is then arranged at cleaning cavity
In A2, and the centrifugal force of gas that is entered of tumbler A3 drives and rotates so that sorbing material A5 suctions tumbler A3 on
Attached impurity is turned in cleaning cavity A2, and cleans and the lever A4 with some brush A7 is provided with cavity A2, and often
Individual tumbler A3 is correspondingly arranged on two brush A7, and the tumbler A3 of rotation brushes lower turn by the brush A7 with bristle
The impurity of sorbing material A5 absorption on dynamic device A3, impurity is dropped into cleaning cavity A2, can directly cleaned so that cleaning is more
Plus it is convenient.
In present embodiment, the top and bottom of cleaning cavity A2 are both provided with cavity A6, and electromagnetism is provided with cavity A6
Iron device is connected with the dynamic plate B1 for stretching into lever A4 two ends in cavity A6, and dynamic plate B1 prevents greatly its abjection cavity A6 than lever A4,
And electromagnet apparatus interval drives and causes that lever A4 is moved up and down so that it is upper and lower that the brush A7 on lever A4 is also driven generation
It is mobile, allow brush A7 to move up and down the impurity of sorbing material A5 absorption on the lower tumbler A3 of brush so that brush A7 can be brushed
It is cleaner.
In present embodiment, the air inlet 11 is provided with air guiding microflute 12 on two side, can reduce the friction of wall
Loss, reduces resistance, effectively improves the blast of the air intake of air inlet 11 so that the work of Multi-stage centrifugal fan device is more stablized.
In present embodiment, the sorbing material A5 set on the tumbler A3 is activated carbon, using the suction of activated carbon
Attached ability adsorbs the granule foreign in air.
Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims
Be defined, any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement each fall within it is of the invention
Protection domain.
Claims (8)
1. a kind of Multi-stage centrifugal fan device, it is characterised in that：Including by upper shell（4）And lower house（3）The housing of composition, institute
State housing central section and be provided with axis（2）, the axis（2）One end stretches out housing and is connected with direct drive axle（1）For driving wind
Machine, the axis（2）On concatenated several impellers（6）, each impeller（6）Diffuser immediately after is both provided with afterwards（7）
And return channel（8）, the return channel of the afterbody（8）After be provided with spiral case（9）, the lower house（3）One end is provided with out
Gas port（10）, the upper shell（4）One end is provided with air inlet（11）, the air inlet（11）Inside it is provided with helical baffle（A1）
For forming helical duct, some tumblers are additionally provided with the side wall of the helical duct（A3）, the air inlet（11）
Also it is equipped with cleaning cavity（A2）, the tumbler（A3）Side be arranged in helical duct, opposite side is then arranged at clearly
Wash cavity（A2）In, the tumbler（A3）On be additionally provided with sorbing material（A5）, the cleaning cavity（A2）In also set up
There is lever（A4）, the lever（A4）On be provided with some brushes（A7）For swiping tumbler（A3）Upper sorbing material（A5）
The impurity for being adsorbed, the cleaning cavity（A2）Top and bottom be both provided with cavity（A6）, the lever（A4）Stretch at two ends
Enter cavity（A6）In be provided with dynamic plate（B1）, the cavity（A6）In be provided with and dynamic plate（B1）The electromagnet apparatus of connection.
2. a kind of Multi-stage centrifugal fan device according to claim 1, it is characterised in that：The axis（2）Two ends respectively set
It is equipped with two rolling bearings（5）For supporting.
3. a kind of Multi-stage centrifugal fan device according to claim 1, it is characterised in that：The air inlet（11）Two side
On be provided with air guiding microflute（12）.
4. a kind of Multi-stage centrifugal fan device according to claim 1, it is characterised in that：Each tumbler（A3）It is all right
Two brushes should be provided with（A7）.
5. a kind of Multi-stage centrifugal fan device according to claim 1, it is characterised in that：The electromagnet apparatus include setting
It is placed in dynamic plate（B1）On iron plate（B6）Be arranged at cavity（A6）The electromagnet of one end（B2）, the electromagnet（B2）And iron plate
（B6）Corresponding setting, the dynamic plate（B1）With cavity（A6）Dynamic clamping head and quiet clamping head is additionally provided between one end.
6. a kind of Multi-stage centrifugal fan device according to claim 5, it is characterised in that：The electromagnet（B2）Upper setting
There is buffer stopper（B5）.
7. a kind of Multi-stage centrifugal fan device according to claim 5, it is characterised in that：The dynamic clamping head and quiet clamping head includes setting
Put in dynamic plate（B1）On limited block（B3）Be arranged at cavity（A6）The limited block of one end（B3）, described two corresponding settings
Limited block（B3）Between be provided with spring（B4）.
8. a kind of Multi-stage centrifugal fan device according to claim 1, it is characterised in that：The brush（A7）On be provided with
Bristle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231463.2A CN106870379A (en) | 2017-04-11 | 2017-04-11 | A kind of Multi-stage centrifugal fan device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710231463.2A CN106870379A (en) | 2017-04-11 | 2017-04-11 | A kind of Multi-stage centrifugal fan device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106870379A true CN106870379A (en) | 2017-06-20 |
Family
ID=59163293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710231463.2A Pending CN106870379A (en) | 2017-04-11 | 2017-04-11 | A kind of Multi-stage centrifugal fan device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106870379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150434A (en) * | 2018-01-17 | 2018-06-12 | 南通润邦重机有限公司 | A kind of evolvent type enters the wind multistage turbofan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201827145U (en) * | 2010-10-26 | 2011-05-11 | 成都泰阳实业有限公司 | Centrifugal fan |
| CN103712285A (en) * | 2013-12-19 | 2014-04-09 | 重庆同朋科技有限公司 | Bionic air purifier |
| CN203954899U (en) * | 2014-07-09 | 2014-11-26 | 上海理工大学 | A kind of clean air package that adopts BI centrifugal blower |
| CN104728136A (en) * | 2015-03-23 | 2015-06-24 | 宁波风机有限公司 | Full three-dimensional multi-stage centrifugal blower |
| CN204755086U (en) * | 2015-05-27 | 2015-11-11 | 重庆中节能三峰能源有限公司 | Gas turbine air filter |
| CN205219547U (en) * | 2015-12-29 | 2016-05-11 | 大连船舶重工集团舾装有限公司 | Pipe fitting inner wall for plastic -coated rotational molding machine strike mechanism |
| CN205323415U (en) * | 2015-12-16 | 2016-06-22 | 重庆东宏鑫科技有限公司 | Gas deduster |
-
2017
- 2017-04-11 CN CN201710231463.2A patent/CN106870379A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201827145U (en) * | 2010-10-26 | 2011-05-11 | 成都泰阳实业有限公司 | Centrifugal fan |
| CN103712285A (en) * | 2013-12-19 | 2014-04-09 | 重庆同朋科技有限公司 | Bionic air purifier |
| CN203954899U (en) * | 2014-07-09 | 2014-11-26 | 上海理工大学 | A kind of clean air package that adopts BI centrifugal blower |
| CN104728136A (en) * | 2015-03-23 | 2015-06-24 | 宁波风机有限公司 | Full three-dimensional multi-stage centrifugal blower |
| CN204755086U (en) * | 2015-05-27 | 2015-11-11 | 重庆中节能三峰能源有限公司 | Gas turbine air filter |
| CN205323415U (en) * | 2015-12-16 | 2016-06-22 | 重庆东宏鑫科技有限公司 | Gas deduster |
| CN205219547U (en) * | 2015-12-29 | 2016-05-11 | 大连船舶重工集团舾装有限公司 | Pipe fitting inner wall for plastic -coated rotational molding machine strike mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150434A (en) * | 2018-01-17 | 2018-06-12 | 南通润邦重机有限公司 | A kind of evolvent type enters the wind multistage turbofan |
| CN108150434B (en) * | 2018-01-17 | 2020-08-25 | 南通润邦重机有限公司 | Involute type air inlet multistage turbofan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |