CN104806538A - Axial flow type fire-fighting smoke exhaust fan - Google Patents
Axial flow type fire-fighting smoke exhaust fan Download PDFInfo
- Publication number
- CN104806538A CN104806538A CN201510153040.4A CN201510153040A CN104806538A CN 104806538 A CN104806538 A CN 104806538A CN 201510153040 A CN201510153040 A CN 201510153040A CN 104806538 A CN104806538 A CN 104806538A
- Authority
- CN
- China
- Prior art keywords
- axial flow
- smoke exhaust
- exhaust fan
- rectification
- impeller
- 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.)
- Granted
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
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- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Abstract
The invention discloses an axial flow type fire-fighting smoke exhaust fan. The axial flow type fire-fighting smoke exhaust fan comprises an enclosure and an impeller, wherein the diameter of the impeller is D and the diameter of a motor barrel is d; the enclosure is internally provided with a rectification cover and a rectification body; the rectification cover is fixed at the front end of the impeller; the rectification body is fixed at the rear end of the motor barrel; the rectification cover is semi-spherical, the radius (R) is equal to 0.25-0.35D and the length (L) is equal to 0.1-0.15D; the rectification body is in a butt conical shape and is gradually reduced along the direction of an air outlet; the conical half angle (alpha) is equal to 18-25 degree and the length (L1) is equal to 0.58-0.7d; the end part of the rectification body is in a circular arc shape; the central lines of the rectification cover and the rectification body are overlapped with the axis of the enclosure. According to the axial flow type fire-fighting smoke exhaust fan, the rectification cover and the rectification body are arranged at an air inlet and the air outlet in the enclosure so that the air inlet condition is more complete and the noises of the draught fan are reduced; an airflow channel of the inlet of the axial flow type fire-fighting smoke exhaust fan is formed by the rectification cover mounted in front of the impeller; by the aid of the rectification cover, the flow of the draught fan can be improved by about 10%.
Description
Technical field
The present invention relates to the technical field of ventilation equipment, particularly a kind of axial flow smoke exhaust fan.
Background technique
Axial-flow blower purposes widely, the air-flow of axial-flow blower and the axis of fan blade equidirectional, as electric fan, air-conditioning outer machine fan is exactly that axial flow mode runs blower fan.Why being called " axial flow ", is that axial fan is used in the occasion that traffic requirement is higher and pressure requirements is lower usually, and axial fan fixed position also makes air move because gas is parallel to fan shaft flowing.Axial-flow blower structure is simple but data demand is very high, plain edition axial-flow blower can be used for general factory, warehouse, office, the ventilation in the places such as premises, also can be used for air cooler (air-cooler), vaporizer, condenser, spray drop etc., also mining axial blower is had, can be used for metallurgy, chemical industry, light industry, food, medical equipment, if the use of the ventilation of the place such as machinery and civil building or reinforcement heat radiation. casing is removed, also can be used as free fan, also can install by spaced series in longer exhaust duct, to improve ducted blast.Axial flow smoke exhaust fan is primarily of component compositions such as impeller, casing, motor, support adopts shaped steel to be connected with casing air duct, wherein the impeller of corrosion-proof type axial flow smoke exhaust fan, casing are glass fibre reinforced plastics and make, and other pattern axial flow smoke exhaust fan generally adopts steel plate to make.
Axial flow smoke exhaust fan due to its performance, reliability and maintainability higher, extensively be incorporated in various ventilation smoke exhaust environment, but axial flow smoke exhaust fan air-inlet condition of the prior art is bad, guide functions gas is not had to impact wheel hub, give vent to anger and do not have speed change static pressure efficiency not high, straight motor cylinder tip speed is zero, can form vortex.
Summary of the invention
Based on deficiency of the prior art, what the present invention solved is that axial flow smoke exhaust fan air-inlet condition is bad, the technical problem that static pressure efficiency is not high.
Technological scheme of the present invention can be realized by following technical measures: a kind of axial flow smoke exhaust fan, comprise casing, the motor be assembled in described casing, the impeller that is connected with described motor by wheel hub, described motor is arranged in motor cylinder, the diameter of described impeller is D, the diameter of motor cylinder is d, wherein, intake grill and the exhaust outlet place of described casing internal are respectively equipped with cowling and rectification body, described cowling is fixed on the front end of described impeller and rotates with impeller, and described rectification body is fixed on the rear end of described motor cylinder; Described cowling is that semicircle is spherical, and its radius R equals 0.25 ~ 0.35D, and length L equals 0.1 ~ 0.15D; Described rectification body in the form of a truncated cone, and reduce gradually along the direction of exhaust outlet, its half-angle of projection α equals 18 ~ 25 °, and length L1 equals 0.58-0.7d, the end of described rectification body is arc-shaped, the center line of described cowling and rectification body and the dead in line of casing.Axial flow smoke exhaust fan of the present invention makes inlet air conditions more perfect, reduce the noise of blower fan, the cowling installed before the impeller forms the air-flow path of axial flow smoke exhaust fan import, cowling of the present invention can improve about 10% of compressor flow, axial flow smoke exhaust fan of the present invention is from intake grill direction air intake, reclaim rotation function through cowling and impeller and be transformed to total head, make flow slowing down through rectification body thus improve pressure, total pressure efficiency, static pressure efficiency, the total head of axial flow smoke exhaust fan of the present invention is made to improve 3% ~ 5%, total pressure efficiency improves 4% ~ 6%, static pressure efficiency improves 7% ~ 10%.
As the preferred implementation of axial flow smoke exhaust fan of the present invention, be provided with stator between described casing inner wall and motor tube outer surface, described stator is uniformly distributed along motor tube outer surface circumference; The intermediate portion of described stator is along the axial direction of casing, and the two ends of intermediate portion extend first end and the second end respectively in the opposite direction.
As the preferred implementation of axial flow smoke exhaust fan of the present invention, the angle α 1 of described first end and intermediate portion equals 15 ~ 25 °, and the angle α 2 of described the second end and intermediate portion equals 20 ~ 35 °.
Further, the quantity of described stator is four.
Compared with prior art, technological scheme of the present invention has following beneficial effect: axial flow smoke exhaust fan of the present invention arranges cowling and rectification body respectively at the intake grill of casing internal and exhaust outlet place, and it is spherical that cowling is set to semicircle, its radius R equals 0.25 ~ 0.35D, length L equals 0.1 ~ 0.15D, rectification body is set to conical butt, and reduce gradually along the direction of exhaust outlet, its half-angle of projection α equals 18 ~ 25 °, length L1 equals 0.58-0.7d, the end of rectification body is arc-shaped, make inlet air conditions more perfect, reduce the noise of blower fan, the cowling installed before the impeller forms the air-flow path of axial flow smoke exhaust fan import, cowling of the present invention can improve about 10% of compressor flow, axial flow smoke exhaust fan of the present invention is from intake grill direction air intake, reclaim rotation function through cowling and impeller and be transformed to total head, make flow slowing down through rectification body thus improve pressure, total pressure efficiency, static pressure efficiency, the total head of axial flow smoke exhaust fan of the present invention is made to improve 3% ~ 5%, total pressure efficiency improves 4% ~ 6%, static pressure efficiency improves 7% ~ 10%, the axial flow smoke exhaust fan air-inlet condition that can effectively solve is bad, the technical problem that static pressure efficiency is not high.In addition, the present invention arranges stator between casing inner wall and motor tube outer surface, and the intermediate portion of stator is along the axial direction of casing, the two ends of intermediate portion extend first end and the second end respectively in the opposite direction, and the angle α 1 of first end and intermediate portion equals 15 ~ 25 °, the angle α 2 of the second end and intermediate portion equals 20 ~ 35 °, deflect airflow can be become axial flow by stator, gas is imported exhaust outlet simultaneously, further gas kinetic energy is converted to pressure energy, make ventilation successful, safety, can to keep watch the region delivered to and specify.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the structural representation of the preferred embodiment of axial flow smoke exhaust fan of the present invention.
Embodiment
For making the present invention easier to understand, specific embodiments of the invention will be set forth further below.Describe the specific embodiment of the present invention in detail below in conjunction with accompanying drawing, it illustrates principle of the present invention as the part of this specification by embodiment, and other aspects of the present invention, feature and advantage thereof will become very clear by this detailed description.In the accompanying drawing of institute's reference, in different figure, same or analogous parts use identical drawing reference numeral to represent.
As shown in Figure 1, for axial flow smoke exhaust fan of the present invention, the axial flow smoke exhaust fan of the design comprises casing 10, be assembled in the motor 20 in described casing 10, by the impeller 30 that wheel hub is connected with described motor 20, described motor 20 is arranged in motor cylinder 40, the diameter of described impeller 30 is D, the diameter of motor cylinder 40 is d, intake grill and the exhaust outlet place of casing 10 inside of axial flow smoke exhaust fan of the present invention are respectively equipped with cowling 50 and rectification body 60, described cowling 50 is fixed on the front end of described impeller 30 and rotates with impeller 30, described rectification body 60 is fixed on the rear end of described motor cylinder 40, described cowling 50 is spherical in semicircle, and its radius R equals 0.25 ~ 0.35D, and length L equals 0.1 ~ 0.15D, described rectification body 60 in the form of a truncated cone, and reduce gradually along the direction of exhaust outlet, its half-angle of projection α equals 18 ~ 25 °, and length L1 equals 0.58-0.7d, the end of described rectification body 60 is arc-shaped, the center line of described cowling 50 and rectification body 60 and the dead in line of casing 10.In the design of axial flow smoke exhaust fan of the present invention, intake grill and the exhaust outlet place of casing 10 inside of axial flow smoke exhaust fan arrange cowling 50 and rectification body 60 respectively, make inlet air conditions more perfect, reduce the noise of blower fan, the cowling 50 installed before impeller 30 forms the air-flow path of axial flow smoke exhaust fan import, cowling 50 of the present invention can improve about 10% of compressor flow, as shown in Figure 1, the present invention is from direction of arrow air intake, reclaim rotation function through cowling 50 and impeller 30 and be transformed to total head, make flow slowing down through rectification body 60 thus improve pressure, total pressure efficiency, static pressure efficiency, the total head of axial flow smoke exhaust fan of the present invention is made to improve 3% ~ 5%, total pressure efficiency improves 4% ~ 6%, static pressure efficiency improves 7% ~ 10%.
Further, stator 70 is provided with between described casing 10 inwall and motor cylinder 40 outer surface, described stator 70 is uniformly distributed along motor cylinder 40 outer surface circumference, the intermediate portion of described stator 70 is along the axial direction of casing 10, the two ends of intermediate portion extend first end 71 and the second end 72 respectively in the opposite direction, preferably, described first end 71 equals 15 ~ 25 ° with the angle α 1 of intermediate portion, and described the second end 72 equals 20 ~ 35 ° with the angle α 2 of intermediate portion.Preferably, the quantity of the stator 70 of axial flow smoke exhaust fan of the present invention is four, when impeller 30 rotates, gas axially enters impeller 30 from intake grill, be subject to pushing and the energy of gas being raised of impeller 30, then flow into stator 70, deflect airflow is become axial flow by stator 70, gas is imported exhaust outlet simultaneously, further gas kinetic energy is converted to pressure energy.
The intake grill of axial flow smoke exhaust fan of the present invention in casing 10 inside and exhaust outlet place arrange cowling 50 and rectification body 60 respectively, and it is spherical that cowling 50 is set to semicircle, its radius R equals 0.25 ~ 0.35D, length L equals 0.1 ~ 0.15D, rectification body 60 is set to conical butt, and reduce gradually along the direction of exhaust outlet, its half-angle of projection α equals 18 ~ 25 °, length L1 equals 0.58-0.7d, the end of rectification body 60 is arc-shaped, make inlet air conditions more perfect, reduce the noise of blower fan, the cowling 50 installed before impeller 30 forms the air-flow path of axial flow smoke exhaust fan import, cowling 50 of the present invention can improve about 10% of compressor flow, axial flow smoke exhaust fan of the present invention is from intake grill direction air intake, reclaim rotation function through cowling 50 and impeller 30 and be transformed to total head, make flow slowing down through rectification body 60 thus improve pressure, total pressure efficiency, static pressure efficiency, the total head of axial flow smoke exhaust fan of the present invention is made to improve 3% ~ 5%, total pressure efficiency improves 4% ~ 6%, static pressure efficiency improves 7% ~ 10%, the axial flow smoke exhaust fan air-inlet condition that can effectively solve is bad, the technical problem that static pressure efficiency is not high.In addition, the present invention arranges stator 70 between casing 10 inwall and motor cylinder 40 outer surface, and the intermediate portion of stator 70 is along the axial direction of casing 10, the two ends of intermediate portion extend first end 71 and the second end 72 respectively in the opposite direction, and first end 71 equals 15 ~ 25 ° with the angle α 1 of intermediate portion, the second end 72 equals 20 ~ 35 ° with the angle α 2 of intermediate portion, deflect airflow can be become axial flow by stator 70, gas is imported exhaust outlet simultaneously, further gas kinetic energy is converted to pressure energy, make ventilation successful, safety, can to keep watch the region delivered to and specify.
Finally to should be noted that; above embodiment is only in order to illustrate technological scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technological scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (4)
1. an axial flow smoke exhaust fan, comprise casing, the motor be assembled in described casing, the impeller that is connected with described motor by wheel hub, described motor is arranged in motor cylinder, the diameter of described impeller is D, the diameter of motor cylinder is d, it is characterized in that, intake grill and the exhaust outlet place of described casing internal are respectively equipped with cowling and rectification body, described cowling is fixed on the front end of described impeller and rotates with impeller, and described rectification body is fixed on the rear end of described motor cylinder; Described cowling is that semicircle is spherical, and its radius (R) equals 0.25 ~ 0.35D, and length (L) equals 0.1 ~ 0.15D; Described rectification body in the form of a truncated cone, and reduce gradually along the direction of exhaust outlet, its half-angle of projection (α) equals 18 ~ 25 °, and length (L1) equals 0.58-0.7d, the end of described rectification body is arc-shaped, the center line of described cowling and rectification body and the dead in line of casing.
2. axial flow smoke exhaust fan according to claim 1, is characterized in that, is provided with stator between described casing inner wall and motor tube outer surface, and described stator is uniformly distributed along motor tube outer surface circumference; The intermediate portion of described stator is along the axial direction of casing, and the two ends of intermediate portion extend first end and the second end respectively in the opposite direction.
3. axial flow smoke exhaust fan according to claim 2, is characterized in that, the angle (α 1) of described first end and intermediate portion equals 15 ~ 25 °, and the angle (α 2) of described the second end and intermediate portion equals 20 ~ 35 °.
4. the axial flow smoke exhaust fan according to Claims 2 or 3, is characterized in that, the quantity of described stator is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153040.4A CN104806538B (en) | 2015-04-02 | 2015-04-02 | A kind of axial-flow type smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510153040.4A CN104806538B (en) | 2015-04-02 | 2015-04-02 | A kind of axial-flow type smoke exhaust fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806538A true CN104806538A (en) | 2015-07-29 |
| CN104806538B CN104806538B (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510153040.4A Active CN104806538B (en) | 2015-04-02 | 2015-04-02 | A kind of axial-flow type smoke exhaust fan |
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| Country | Link |
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| CN (1) | CN104806538B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069487A (en) * | 2017-04-19 | 2017-08-18 | 国网河南禹州市供电公司 | A kind of small distribution room ventilation unit |
| CN107345522A (en) * | 2016-05-07 | 2017-11-14 | 吉林雷赞风机制造有限公司 | Box axial-flow type firefighting fan |
| CN108167222A (en) * | 2017-12-06 | 2018-06-15 | 九阳股份有限公司 | A kind of cooking apparatus quiet fan |
| CN108180521A (en) * | 2018-01-29 | 2018-06-19 | 美的集团股份有限公司 | Fume extractor |
| CN110173447A (en) * | 2019-05-30 | 2019-08-27 | 空气动力学国家重点实验室 | A kind of big flow high-altitude axial flow blower |
| CN114562854A (en) * | 2022-01-14 | 2022-05-31 | 黄山市祁门雅洁生物能源有限公司 | Integrated biomass pellet fuel drying and forming equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3173604A (en) * | 1962-02-15 | 1965-03-16 | Gen Dynamics Corp | Mixed flow turbo machine |
| JPH04175500A (en) * | 1990-07-18 | 1992-06-23 | Fuji Electric Co Ltd | Positive and reverse bidirectional axial flow blower |
| DE4329662A1 (en) * | 1993-09-02 | 1995-03-09 | Krupp Polysius Ag | Vane ring and separator |
| DE19626896A1 (en) * | 1996-07-04 | 1998-01-08 | Mayer Gmbh Geb | Fan, e.g. for cooker extractor hood |
| CN2325566Y (en) * | 1997-11-24 | 1999-06-23 | 靖江通风器械制造公司 | Jetting flow blower fan |
| CN2611642Y (en) * | 2003-02-27 | 2004-04-14 | 江阴市宏达风机有限公司 | Wing type axial-flow smoke removing fan with equal length of vane chord |
| CN203730352U (en) * | 2014-03-05 | 2014-07-23 | 浙江特风风机有限公司 | Draught fan convenient to repair |
-
2015
- 2015-04-02 CN CN201510153040.4A patent/CN104806538B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3173604A (en) * | 1962-02-15 | 1965-03-16 | Gen Dynamics Corp | Mixed flow turbo machine |
| JPH04175500A (en) * | 1990-07-18 | 1992-06-23 | Fuji Electric Co Ltd | Positive and reverse bidirectional axial flow blower |
| DE4329662A1 (en) * | 1993-09-02 | 1995-03-09 | Krupp Polysius Ag | Vane ring and separator |
| DE19626896A1 (en) * | 1996-07-04 | 1998-01-08 | Mayer Gmbh Geb | Fan, e.g. for cooker extractor hood |
| CN2325566Y (en) * | 1997-11-24 | 1999-06-23 | 靖江通风器械制造公司 | Jetting flow blower fan |
| CN2611642Y (en) * | 2003-02-27 | 2004-04-14 | 江阴市宏达风机有限公司 | Wing type axial-flow smoke removing fan with equal length of vane chord |
| CN203730352U (en) * | 2014-03-05 | 2014-07-23 | 浙江特风风机有限公司 | Draught fan convenient to repair |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345522A (en) * | 2016-05-07 | 2017-11-14 | 吉林雷赞风机制造有限公司 | Box axial-flow type firefighting fan |
| CN107069487A (en) * | 2017-04-19 | 2017-08-18 | 国网河南禹州市供电公司 | A kind of small distribution room ventilation unit |
| CN108167222A (en) * | 2017-12-06 | 2018-06-15 | 九阳股份有限公司 | A kind of cooking apparatus quiet fan |
| CN108180521A (en) * | 2018-01-29 | 2018-06-19 | 美的集团股份有限公司 | Fume extractor |
| CN110173447A (en) * | 2019-05-30 | 2019-08-27 | 空气动力学国家重点实验室 | A kind of big flow high-altitude axial flow blower |
| CN110173447B (en) * | 2019-05-30 | 2021-07-06 | 空气动力学国家重点实验室 | High-flow high-altitude axial flow fan |
| CN114562854A (en) * | 2022-01-14 | 2022-05-31 | 黄山市祁门雅洁生物能源有限公司 | Integrated biomass pellet fuel drying and forming equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104806538B (en) | 2017-11-28 |
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