CN102162470B - Pipeline-type axial flow centrifugal fan and eccentric flow guiding method - Google Patents
Pipeline-type axial flow centrifugal fan and eccentric flow guiding method Download PDFInfo
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- CN102162470B CN102162470B CN 201110049606 CN201110049606A CN102162470B CN 102162470 B CN102162470 B CN 102162470B CN 201110049606 CN201110049606 CN 201110049606 CN 201110049606 A CN201110049606 A CN 201110049606A CN 102162470 B CN102162470 B CN 102162470B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008859 change Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention relates to a pipeline-type centrifugal fan which not only has large flow of an axial flow fan, can be required to be designed into different flow rate pressure ratios, the air flow flows in and out axially and an eccentric flow guiding method. An enclosure is of a pipeline structure; an air intake end plate and an air out end plate are respectively installed at the front end and the rear end of the enclosure; the air flow enters the fan from a round port of the air intake end plate, is exhausted from a round port of the air outlet end plate, and the aim of the air flow in and out coaxially is achieved; a motor is positioned at the center of a pipeline; a centrifugal impellor is installed on a motor shaft, and a flow collector is arranged between the centrifugal impellor and the air intake end plate; a convergence port of the flow collector is adaptively inserted in the inlet of the impellor, and the air flow is guided smoothly into the centrifugal impellor; an air-out flow guiding device is installed at the rear part of the inner part of the enclosure, the convergence end of the air out flow guiding device aims at the round port of the air out end plate, and the air is guided to be exhausted from the round port; and a rectification flow guiding device is welded at the inner part of the enclosure, and the convergence end of the rectification flow guiding device is in clearance fit with the outer edge at the upper part of the centrifugal impellor.
Description
Technical field
The present invention relates to that a kind of both to have had an axial-flow blower flow large, can require to be designed to the air stream axle of various different flow pressure ratios to pipe type centrifugal blower and the centrifugal flow guiding method of turnover, belong to blower fan and make the field.
Background technique
1, axial-flow blower is exactly the blower fan of the equidirectional operation of axle of air-flow and fan blade, and its performance characteristics is that flow is large, pressure is low; Using advantage is simple installation, coaxial with pipeline.Its deficiency: pressure is lower, can't realize long distance conveying and technique supply and exhaust.
2, centrifugal blower is air-flow to be sucked from the impeller front center throw away outside circumferential, the blower fan of discharging from the exhaust outlet of casing tangent direction again, its performance characteristics is the product that can require to be designed to various different flow pressure ratios, satisfies the demand of long distance conveying and technique supply and exhaust.Its deficiency: inlets and putlets of ventilation is 90
oArrange, the mounting point is large and can not arrange airduct on same axis.
Summary of the invention:
Purpose of design: avoid in background technique both deficiencys, design that a kind of both to have had an axial-flow blower flow large, can require to be designed to the air stream axle of various different flow pressure ratios to pipe type centrifugal blower and the centrifugal flow guiding method of turnover.
Design proposal: in order to realize above-mentioned purpose of design.Design on a kind of blower fan (pipe type centrifugal blower) that the application concentrates the strong point of axial-flow blower and centrifugal blower is technical characteristics of the present invention.The purpose of doing like this is: the one, take full advantage of the Mechanical Builds formula that goes out, facilitates mounting arrangement after axial-flow blower advances; The 2nd, improve blast, make it be issued to the performance of centrifugal blower in the type advantage of axial-flow blower, to satisfy the requirement of various different process; The 3rd, the science design, simplified structure, reduce processing charges, be convenient to the expansion of non-standard equipment, be embodied in: the one, change into cylindric by traditional scroll casing shape casing, blower fan integral body becomes a kind of extremely simply columnar structured, and air-flow sucks the rear end from the front end of blower fan and sends on same axis, be very easy to and install and omitted other supporting facility; The 2nd, the receded disk impeller of the tapered shroud of Impeller Design, by the requirement of various different parameters, blade can adopt forward direction, radially, backward pattern; The 3rd, in the periphery of impeller shroud, the rectification and guide device is set, be combined with casing, make air-flow be discharged to change into directly from the blower fan rear portion by the exhaust outlet of common tangent direction and discharge.The present invention mainly is comprised of impeller, casing, air inlet/outlet end plate, slip ring, rectification and guide device, air-out fluid director, bearing and motor.Impeller is comprised of blade, shroud, hub disk and reel, and difference according to requirements can adopt Fine Steel Casting iron or corrosion-resistant stainless steel manufacturing, through strict dynamic balance check, smooth running.Casing is made the high-strength structure of carrying negative pressure, and its material also can adopt Fine Steel Casting iron or corrosion-resistant stainless steel manufacturing by the difference of usage requirement.
Technological scheme 1: a kind of pipeline type axial-flow centrifugal fan, casing is pipeline configuration, and air intake end plate, air-out end plate are installed on respectively the front end and back end of casing, and air-flow enters blower fan from the round mouth of air intake end plate, discharge from the round mouth of air-out end plate, reach the purpose of the coaxial turnover of air-flow; Motor is positioned at pipeline center, receded disk impeller be arranged on motor shaft and receded disk impeller and air intake end plate between be provided with slip ring, its slip ring convergence mouthful appropriateness is inserted the entrance of impeller, rule bundle air-flow enters receded disk impeller smoothly; The air-out fluid director is installed on the casing inner wall rear portion, and its convergence end is aimed at the round mouth of air-out end plate, and rule bundle air-flow is discharged thus; The rectification and guide device is welded in casing inner wall, the top outer rim Spielpassung of its convergence end and receded disk impeller.
Technological scheme 2: a kind of centrifugal flow guiding method of pipeline type axial-flow centrifugal fan, it is characterized in that: starting electrical machinery, the rotation of driven by motor receded disk impeller, effect is got rid of in the suction that the receded disk impeller rotation produces, make air-flow enter slip ring from the round mouth of air intake end plate, make air-flow be discharged to change into through air-out fluid director water conservancy diversion by the exhaust outlet of common tangent direction and discharged by the round mouth of air-out end plate, reach the purpose of the coaxial turnover of air-flow.
The present invention compares with background technique, the one, utilized that axial-flow blower is coaxial advances air draft and the high advantage of centrifugal blower pressure, be designed to a kind of brand-new high-pressure pipe formula axial-flow centrifugal fan, started a brand-new blower fan field, the upper pressure limit that makes blower fan is brought up to 3500Pa of the present invention by the 1000Pa of axial-flow blower, greatly expand the coaxial application area of advancing exhaust fan, satisfied the demand of numerous industries; The 2nd, profile is firm, succinct, attractive in appearance; The 3rd, install extremely easyly, only need pack into and can use in the middle of pipeline; The 4th, selection is extensive, both can select common iron, also can select stainless steel material or plastics manufacturing.
Description of drawings
Fig. 1 is the structural representation of pipe type centrifugal blower.
Fig. 2 is the side-looking structural representation of Fig. 1.
Embodiment
Embodiment 1: with reference to attached Fig. 1 and 2.A kind of pipeline type axial-flow centrifugal fan, it comprises air intake end plate 1, slip ring 2, casing 3, impeller 4, rectification and guide device 5, motor 6, motor cabinet 7, fan seat 9, air-out fluid director 10, air-out end plate 11; Casing 3 is pipeline configuration, air intake end plate 1, air-out end plate 11 are installed on respectively the front end and back end of casing 3, air-flow enters blower fan from the round mouth of air intake end plate 1, discharge from the round mouth of air-out end plate 11, reach the purpose of the coaxial turnover of air-flow, namely described air intake end plate 1, air-out end plate 11 use end plate fixing bolts 12 are installed on respectively the front end and back end of casing 3, because effect is got rid of in the suction of impeller 4, air-flow enters blower fan from the round mouth of air intake end plate 1, discharges from the round mouth of air-out end plate 11, reaches the purpose of the coaxial turnover of air-flow; Motor 6 is positioned at pipeline center, and namely motor 6 connects with motor cabinet 7 use motor fixing bolts, and motor cabinet 7 is welded in casing 3 inside; Receded disk impeller 4 is arranged on motor 6 axles and between receded disk impeller 4 and air intake end plate 1 and is provided with slip ring 2, and its slip ring 2 convergences mouthful appropriateness is inserted the entrance of impeller 4, and rule bundle air-flow enters receded disk impeller 4 smoothly; Air-out fluid director 10 is installed on casing 3 inwall rear portions, and its convergence end is aimed at the round mouth (in 30-40 degree scope option and comprise end value) of air-out end plate 11, and rule bundle air-flow is discharged thus; Rectification and guide device 5 is welded in casing 3 inwalls, the top outer rim Spielpassung of its convergence end and receded disk impeller 4.
Described motor cabinet 7 is welded in casing 3 inside.Described motor 6 connects with motor cabinet 7 use motor fixing bolts 8.
Described rectification and guide device 5 have a certain degree with casing 3 inwalls combinations (in 40-50 degree scope and comprise end value), rule bundles air-flow from the periphery of impeller 4 throw away change into axially after row, be that rectification and guide device 5 is welded in casing 3 inwalls, the top outer rim Spielpassung of its convergence end and impeller 4, rectification and guide device 5 has a certain degree with casing 3 inwalls combinations, rule bundle air-flow from the periphery of impeller 4 throw away change into axially after row.
Described casing 3 outer walls bottoms are symmetrically welded with fan seat 9, and namely fan seat 9 is symmetrically welded in casing 3 outer walls bottoms.
Embodiment 2: on embodiment 1 basis, a kind of centrifugal flow guiding method of pipeline type axial-flow centrifugal fan, starting electrical machinery 6,4 rotations of driven by motor receded disk impeller, effect is got rid of in the suction that receded disk impeller 4 rotations produce, make air-flow enter slip ring 2 from the round mouth of air intake end plate 1, make air-flow be discharged to change into through air-out fluid director water conservancy diversion by the exhaust outlet of common tangent direction and discharged by the round mouth of air-out end plate 11, reach the purpose of the coaxial turnover of air-flow.
What need to understand is: although above-described embodiment is to the mentality of designing of the present invention detailed text description of contrasting; but these text descriptions; just the simple text of mentality of designing of the present invention is described; rather than to the restriction of mentality of designing of the present invention; any combination, increase or modification that does not exceed mentality of designing of the present invention all falls within the scope of protection of the present invention.
Claims (6)
1. pipeline type axial-flow centrifugal fan, it is characterized in that: on a kind of pipe type centrifugal blower that the strong point of axial-flow blower and centrifugal blower is concentrated, casing is pipeline configuration, air intake end plate, air-out end plate are installed on respectively the front end and back end of casing, air-flow enters blower fan from the round mouth of air intake end plate, discharge from the round mouth of air-out end plate, reach air-flow front end from blower fan on same axis and suck the purpose that the rear end is sent; Motor is positioned at pipeline center, the receded disk impeller of the tapered shroud of Impeller Design, requirement by various different parameters, blade can adopt forward direction, radially, backward pattern, receded disk impeller be arranged on motor shaft and receded disk impeller and air intake end plate between be provided with slip ring, its slip ring convergence mouthful appropriateness is inserted the entrance of impeller, and rule bundle air-flow enters receded disk impeller smoothly; The air-out fluid director is installed on the casing inner wall rear portion, and its convergence end is aimed at the round mouth of air-out end plate, and rule bundle air-flow is discharged thus; The periphery of impeller shroud arranges the rectification and guide device, be combined with casing, make air-flow be discharged to change into directly from the blower fan rear portion by the exhaust outlet of common tangent direction and discharge, its rectification and guide device is welded in casing inner wall, the top outer rim Spielpassung of its convergence end and receded disk impeller; Motor cabinet is welded in casing inside.
2. pipeline type axial-flow centrifugal fan according to claim 1, it is characterized in that: described motor connects with the motor fixing bolt with motor cabinet.
3. pipeline type axial-flow centrifugal fan according to claim 1 is characterized in that: described rectification and guide device and casing inner wall are combined in 40-50 degree scope angle and comprise end value, rule bundle air-flow from the periphery of impeller throw away change into axially after row.
4. pipeline type axial-flow centrifugal fan according to claim 1, it is characterized in that: air intake end plate, air-out end plate are installed on respectively the front end and back end of casing with the end plate fixing bolt.
5. pipeline type axial-flow centrifugal fan according to claim 1, is characterized in that: be symmetrically welded with fan seat bottom described casing outer wall.
6. the centrifugal flow guiding method of a pipeline type axial-flow centrifugal fan as claimed in claim 1, it is characterized in that: starting electrical machinery, the rotation of driven by motor receded disk impeller, effect is got rid of in the suction that the receded disk impeller rotation produces, make air-flow enter slip ring from the round mouth of air intake end plate, make air-flow be discharged to change into through air-out fluid director water conservancy diversion by the exhaust outlet of common tangent direction and discharged by the round mouth of air-out end plate, reach the purpose of the coaxial turnover of air-flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049606 CN102162470B (en) | 2011-03-02 | 2011-03-02 | Pipeline-type axial flow centrifugal fan and eccentric flow guiding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049606 CN102162470B (en) | 2011-03-02 | 2011-03-02 | Pipeline-type axial flow centrifugal fan and eccentric flow guiding method |
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| Publication Number | Publication Date |
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| CN102162470A CN102162470A (en) | 2011-08-24 |
| CN102162470B true CN102162470B (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110049606 Active CN102162470B (en) | 2011-03-02 | 2011-03-02 | Pipeline-type axial flow centrifugal fan and eccentric flow guiding method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398014B (en) * | 2012-05-10 | 2015-10-21 | 永济新时速电机电器有限责任公司 | Electric locomotive auxiliary filter cabinet blower fan and electric locomotive |
| CN108591102A (en) * | 2018-06-14 | 2018-09-28 | 珠海格力电器股份有限公司 | Blower fan structure and airhandling equipment including it |
| CN109469646B (en) * | 2018-10-22 | 2021-06-11 | 沈阳透平机械股份有限公司 | Air separation casing structure |
| CN211901014U (en) * | 2018-11-29 | 2020-11-10 | 曾固 | Centrifugal through-flow water navigation body propulsion device and application equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057474U (en) * | 1989-10-27 | 1990-05-23 | 山西省运城防爆风机厂 | Explosion-proof axial-flow ventilator for mine |
| US5209639A (en) * | 1990-08-10 | 1993-05-11 | Kt Kunststofftechnik Gmbh | Radial fan with an axial housing |
| CN2466399Y (en) * | 2000-06-22 | 2001-12-19 | 北京天地成通风设备有限公司 | Low-noise pipeline axialflow ventilator |
| CN201944012U (en) * | 2011-03-02 | 2011-08-24 | 杭州日通风机有限公司 | Pipeline type axial-flow centrifugal fan |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437888Y (en) * | 2000-07-11 | 2001-07-04 | 北京新安特玻璃钢设备有限公司 | Centrifugal cylindric fan |
-
2011
- 2011-03-02 CN CN 201110049606 patent/CN102162470B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057474U (en) * | 1989-10-27 | 1990-05-23 | 山西省运城防爆风机厂 | Explosion-proof axial-flow ventilator for mine |
| US5209639A (en) * | 1990-08-10 | 1993-05-11 | Kt Kunststofftechnik Gmbh | Radial fan with an axial housing |
| CN2466399Y (en) * | 2000-06-22 | 2001-12-19 | 北京天地成通风设备有限公司 | Low-noise pipeline axialflow ventilator |
| CN201944012U (en) * | 2011-03-02 | 2011-08-24 | 杭州日通风机有限公司 | Pipeline type axial-flow centrifugal fan |
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| Publication number | Publication date |
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| CN102162470A (en) | 2011-08-24 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| ASS | Succession or assignment of patent right |
Owner name: WU CHENGZHE Free format text: FORMER OWNER: HANGZHOU RITONG BLOWER CO., LTD. Effective date: 20130902 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Chengzhe Inventor before: Wu Wei Inventor before: Wu Chengzhe |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311115 HANGZHOU, ZHEJIANG PROVINCE TO: 311121 HANGZHOU, ZHEJIANG PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20130902 Address after: Hangzhou City, Zhejiang province 311121 Yuhang town Yuhang District Nanan Tongji Road 2 Building 2 Unit Community Room 501 Applicant after: Wu Chengzhe Address before: Hangzhou City, Zhejiang province 311115 Fengdu Pingyao Town, Yuhang District Road No. 10 Applicant before: Hangzhou Ritong Blower Co., Ltd. |
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Effective date of registration: 20210402 Address after: 313310 tianzihu Industrial Park, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Jiutong Machinery Technology Co., Ltd Address before: 311121 Room 501, unit 2, building 2, Tongji Road, Nan'an community, Yuhang Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Wu Chengzhe |