CN103696993B - A kind of high-effective dust-removing energy saving centrifugal ventilator - Google Patents
A kind of high-effective dust-removing energy saving centrifugal ventilator Download PDFInfo
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- CN103696993B CN103696993B CN201310695513.4A CN201310695513A CN103696993B CN 103696993 B CN103696993 B CN 103696993B CN 201310695513 A CN201310695513 A CN 201310695513A CN 103696993 B CN103696993 B CN 103696993B
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- gas
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- augmenter
- relief opening
- treatment chamber
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- 230000005465 channeling Effects 0.000 claims abstract description 4
- 238000005507 spraying Methods 0.000 claims description 9
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract 6
- 239000002912 waste gas Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003500 flue dust Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of high-effective dust-removing energy saving centrifugal ventilator, comprise the Blower Housing being provided with suction port and relief opening, with the enterprising tracheae of gateway, lower inlet duct, outlet pipe and gas treatment chamber, suction port and relief opening to be located at respectively on Blower Housing front panel and rear sidewall and the central point of suction port and relief opening in the same horizontal line, be provided with a band gas outlet outside relief opening and make the augmenter that gas is gathered to outlet, gas treatment chamber to be located between augmenter with outlet pipe and to be will speed up room and is communicated with outlet pipe, enterprising tracheae outlet end laterally run through Blower Housing and be plugged in augmenter with by augmenter by gas channeling gas treatment chamber.The data experimentally detected with reality, comparatively Same Efficieney centrifugal blower product, increase air quantity per hour is directly proportional, and the application in environment protection ventilating, dedusting, oil smoke and waste gas treatment etc. is a kind of update new high-tech product.
Description
Technical field
The present invention relates to a kind of centrifugal blower for dedusting air cleaning.
Background technique
Domestic and international adopted senior middle school's low pressure centrifugal fan at present, normally single suction list send pattern.That is to say, being single channel into and out of airduct and forming air-flow path together with fan blade of blower fan.Therefore, this kind of blower fan is applied to different industries and varying environment, when needs conveying mixed gas, the corrosivity in gas and stickum can cause very large injury to blower fan, can reduce the working life of fan part time serious.This difficult problem cannot overcome in ventilation industry always, becomes the technical bottleneck of the industry.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can be applicable to different industries, varying environment, strong adaptability and the high high-effective dust-removing energy saving centrifugal ventilator of working efficiency.
In order to solve the problem existing for prior art, centrifugal blower of the present invention, comprise the Blower Housing for closed impeller, described Blower Housing is provided with suction port and relief opening, with the enterprising tracheae of gateway, lower inlet duct, outlet pipe and gas treatment chamber, described suction port and relief opening to be located at respectively on Blower Housing front panel and rear sidewall and the central point of suction port and relief opening in the same horizontal line, be provided with a band gas outlet outside described relief opening and make the augmenter that gas is gathered to outlet, described gas treatment chamber to be located between augmenter with outlet pipe and to be will speed up room and is communicated with outlet pipe, described enterprising tracheae outlet end laterally run through Blower Housing and be plugged in augmenter with by augmenter by gas channeling gas treatment chamber.
Further, the inner tube wall of described gas treatment chamber is outward-dipping to accelerate gas flow gradually from gas outlet.
Further, the tube wall of described gas treatment chamber and horizontal angle are β 2,3 °≤β 2≤10 °, tube wall length be 338 ?3430mm.
Further, described augmenter and Blower Housing one-body molded, this augmenter is diverging duct, and its inner tube wall slopes inwardly gradually from relief opening; Flaring opening is connected with relief opening, and flaring bottom is gas outlet.
Further, the tube wall of described augmenter and horizontal angle are β 1,28 °≤β 1≤38 °, the length of augmenter tube wall be 83 ?1000mm.。
Further, the outlet of described enterprising tracheae is positioned at gas outlet and its pipe external diameter is less than gas outlet internal diameter, and the length of this enterprising tracheae external diameter is 128 ?2000mm, and in gas outlet, electrical path length is 156 ?2500mm.
Further, one is provided with in described gas treatment chamber for the spraying device of Purge gas.
Further, the described entrance of enterprising tracheae and the entrance of lower inlet duct are connected to form total inlet pipe, and the outlet of this total inlet pipe is communicated with upper and lower suction tude respectively, and its entrance is communicated with tape handling gas.
Further, the entrance of described enterprising tracheae is communicated with tape handling gas, and the entrance of described lower inlet duct is communicated with air.
Further, the center line of the suction port on described Blower Housing and the center line of draught fan impeller wheel shaft contour.
Compared with prior art, the invention has the beneficial effects as follows:
Prove through many experiments, the present invention passes through structural design cleverly, and when fan motor output power is constant, air quantity centrifugal blower can carried increases about 60%.And, the perfect cooperation of augmenter and gas treatment chamber structure, other jet-actions are accelerated by augmenter, gas is made to converge in augmenter outlet port, dynamic pressure now in accelerating jetting surrounds enterprising tracheae outlet end, due to the promotion diffusion action of gas treatment chamber, gas is drained in gas treatment chamber, be discharged in air after purified treatment.Particularly, by upper and lower suction tude separately after, when pending gas containing be corrosive or viscosity time, centrifugal blower entirety can be avoided unaffected, thus the applicable scope of centrifugal blower is greatly expanded, practicability strengthens greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the structural representation of embodiment 2.
Specific embodiment 1
Below in conjunction with accompanying drawing, detailed explanation and explanation are done to structure of the present invention, but be not the restriction to structure of the present invention, be specifically divided into two embodiments and describe.
Embodiment 1
Refer to Fig. 1, it is the structural representation of the energy saving centrifugal ventilator involved by this enforcement.This energy saving centrifugal ventilator comprises drive motor 101, Blower Housing 102, suction port 103, relief opening 104, enterprising tracheae 201, lower inlet duct 202, outlet pipe 203, augmenter 30, gas treatment chamber 40 and spraying device 6.
The Blower Housing 102 of inlet 103 and relief opening 104 is for closed draught fan impeller, and drive motor 101 rotates for drives impeller, drives gas directional flow by wheel rotation.Wherein, drive motor 101, impeller and Blower Housing 102 is the main function components of centrifugal blower.In order to realize object of the present invention, suction port 103 and relief opening 104 are separately positioned on Blower Housing 102 front panel and rear sidewall.In order to avoid gas is directly discharged by relief opening 104 after the main fan parts such as impeller by suction port 103, not in the same horizontal line, namely, suction port 103 staggers with relief opening 104 height the central point of suction port 103 and relief opening 104.In order to realize best effect, the center line of suction port 103 and the center line of draught fan impeller wheel shaft contour.
In order to be improved the air output of centrifugal blower by the improvement of structure.Relief opening 104 peripheral hardware has the augmenter 30 for forcing gas to gather to outlet, and augmenter 30 is best and relief opening 104 is one-body molded.Augmenter 30 is diverging duct, and its inner tube wall slopes inwardly to force gas to gather from relief opening 104 gradually.Flaring opening is connected with relief opening 104, and flaring bottom is gas outlet 301.In order to reach best effect, the tube wall of augmenter 30 and horizontal angle are β 1,28 °≤β 1≤38 °, preferably 28 °.Prove through test of many times, the tube wall length H1 of augmenter be 83 ?1000mm, best effect can be realized.
Gas treatment chamber 40 is connected between augmenter 30 and outlet pipe 203, and its inner tube wall is outward-dipping gradually from gas outlet, for accelerating gas flow, promotes the effect of diffusion.In order to reach best effect, the inner tube wall of gas treatment chamber 40 and horizontal angle are β 2,3 °≤β 2≤10 °.The experiment proved that, β 2 is preferably 3 °.The tube wall length L of gas treatment chamber 40 be 338 ?3430mm, best exhaust effect can be reached.In order to process gas, in gas treatment chamber 40, be provided with spraying device 6, the spraying device 6 with respective handling ability can be selected according to the characteristic of gas.
The outlet end 202 of enterprising tracheae 201 laterally runs through Blower Housing 102 and is plugged in augmenter 30, for passing through augmenter 30 by gas channeling gas treatment chamber 40.The outlet of enterprising tracheae 201 is just positioned at gas outlet 301 place and flushes with gas outlet 301.In order to avoid impacting the air-flow entering Blower Housing 102 from lower inlet duct, enterprising tracheae 201 is preferably positioned in the middle of augmenter and the pipe external diameter of enterprising tracheae 201 is less than the bore of gas outlet 301, and the length a1 of enterprising tracheae external diameter is 128 ?2000mm, in gas outlet 301, electrical path length a2 is 156 ?2500mm.The entrance of enterprising tracheae 201 is connected with lower inlet duct 202 and forms total inlet pipe 9, and the outlet of total inlet pipe 9 is communicated with upper and lower suction tude respectively, and its entrance is communicated with pending gas.
Because the outlet of lower inlet duct 202 is connected with suction port 103.Like this, the pending gas that total inlet pipe 9 sucks just can enter gas treatment chamber 40 via upper and lower suction tude.Thus, the energy-efficient centrifugal blower involved by the present embodiment, is applicable to humidity higher and do not affect the gas of service life of fan.
Embodiment 2
Be described in detail another embodiment of the present invention below, this blower fan structure is applicable to process has corrosivity or the viscosity gas that can have an impact to service life of fan such as larger.
Refer to Fig. 2, it is the structural representation of the energy-efficient centrifugal blower involved by this enforcement.This energy-efficient centrifugal blower comprises drive motor 101, Blower Housing 102, suction port 103, relief opening 104, enterprising tracheae 201, lower inlet duct 202, outlet pipe 203, augmenter 30, gas treatment chamber 40 and spraying device 6.
The Blower Housing 102 of inlet 103 and relief opening 104 is for closed draught fan impeller, and drive motor 101 rotates for drives impeller, drives gas directional flow by wheel rotation.Wherein, drive motor 101, impeller and Blower Housing 102 is the main function components of centrifugal blower.In order to realize object of the present invention, suction port 103 and relief opening 104 are separately positioned on Blower Housing 102 front panel and rear sidewall.In order to avoid gas is directly discharged by relief opening 104 after the main fan parts such as impeller by suction port 103, not in the same horizontal line, namely, suction port 103 staggers with relief opening 104 height the central point of suction port 103 and relief opening 104.In order to realize best effect, the center line of suction port 103 and the center line of draught fan impeller wheel shaft contour.
In order to realize object of the present invention, the entrance of enterprising tracheae 201 is communicated with pending gas, and its outlet end 3 laterally runs through Blower Housing 102 and is plugged in augmenter 30, for passing through augmenter 30 by direct for pending gas directional later exhaust treatment chamber 40.The outlet of enterprising tracheae 201 is just positioned at gas outlet 301 place and aligns in the vertical direction with gas outlet 301.In order to the air-flow entering Blower Housing 102 to lower inlet duct provides passage, enterprising tracheae 201 is preferably positioned in the middle of augmenter and the pipe external diameter of enterprising tracheae 201 is less than the bore of gas outlet 301.The length a1 of enterprising tracheae external diameter is 128 ?2000mm, and gas outlet 301 bore length a2 is 156 ?2500mm.
The entrance of lower inlet duct 202 is communicated with air, its outlet end is connected with suction port 103 and forms air-flow path, thus air to be led augmenter by draught fan impeller and Blower Housing, the negative pressure utilizing centrifugal blower to produce drives pending gas in enterprising tracheae discharged to gas treatment chamber 40.
In order to be improved the air output of centrifugal blower by the improvement of structure.Relief opening 104 peripheral hardware has the augmenter 30 for forcing gas to gather to outlet, and augmenter 30 is best and relief opening 104 is one-body molded.Augmenter 30 is diverging duct, and its inner tube wall slopes inwardly to force gas to gather from relief opening 104 gradually.Flaring opening is connected with relief opening 104, and flaring bottom is gas outlet 301.In order to reach best effect, the tube wall of augmenter 30 and horizontal angle are β 1,28 °≤β 1≤38 °, preferably 28 °.Prove through test of many times, the tube wall length H1 of augmenter be 83 ?1000mm, best effect can be realized.
Gas treatment chamber 40 is connected between augmenter 30 and outlet pipe 203, and its inner tube wall is outward-dipping gradually from gas outlet, for accelerating gas flow, promotes the effect of diffusion.In order to reach best effect, the inner tube wall of gas treatment chamber 40 and horizontal angle are β 2,3 °≤β 2≤10 °.The experiment proved that, β 2 is preferably 3 °.The tube wall length L of gas treatment chamber 40 be 338 ?3430mm, best exhaust effect can be reached.In order to process gas, in gas treatment chamber 40, be provided with spraying device 6, the spraying device 6 with respective handling ability can be selected according to the characteristic of gas.
Principle of the present invention is: the air chamber 4 first by senior middle school's low pressure centrifugal fan, the air be communicated with lower inlet duct 202 being transported to Blower Housing top, when air in air chamber 4 is by augmenter 30, due to the jet-action produced when augmenter accelerates air, air converges is at gas outlet 301 place of augmenter 30, the dynamic pressure now produced in accelerating jetting surrounds the outlet end of enterprising tracheae, add the effect of outward-dipping the formed promotion diffusion of the tube wall of gas treatment chamber 40, just enterprising endotracheal pending gas is attracted in gas treatment chamber, finally be discharged in air by after empty spraying device purified treatment.
Centrifugal blower disclosed in this invention, the purified treatment of the harmful gas of chemical industry mixing can be widely used in, and textile fibre micronic dust, smoke of steel factory, power plant's flue dust, cement kiln flue dust, metal polish dust, hotel's oil smoke, grain processing dust collection process, or as being used in equal industry dusting apparatus.
Claims (7)
1. a high-effective dust-removing energy saving centrifugal ventilator, comprise the Blower Housing for closed impeller, described Blower Housing is provided with suction port and relief opening, it is characterized in that: also comprise the enterprising tracheae of band gateway, lower inlet duct, outlet pipe and gas treatment chamber;
Described suction port and relief opening to be located at respectively on Blower Housing front panel and rear sidewall and the central point of suction port and relief opening not in the same horizontal line;
Be provided with a band gas outlet outside described relief opening and make the augmenter that gas is gathered to outlet, augmenter and Blower Housing one-body molded, be diverging duct, its inner tube wall slopes inwardly gradually from relief opening; Flaring opening is connected with relief opening, flaring bottom is gas outlet, the tube wall of augmenter and horizontal angle are β 1,28 °≤β 1≤38 °, the length of tube wall be 83 ?1000mm, the outlet of enterprising tracheae is positioned at gas outlet and its pipe external diameter is less than gas outlet internal diameter, and the length of this enterprising tracheae external diameter is 128 ?2000mm, and in gas outlet, electrical path length is 156 ?2500mm;
Described gas treatment chamber to be located between augmenter with outlet pipe and to be will speed up room and is communicated with outlet pipe, described enterprising tracheae outlet end laterally run through Blower Housing and be plugged in augmenter with by augmenter by gas channeling gas treatment chamber.
2. centrifugal blower according to claim 1, is characterized in that: the inner tube wall of described gas treatment chamber is outward-dipping to accelerate gas flow gradually from gas outlet.
3. centrifugal blower according to claim 2, is characterized in that: the tube wall of described gas treatment chamber and horizontal angle are β 2,3 °≤β 2≤10 °, tube wall length be 338 ?3430mm.
4. centrifugal blower according to claim 1, is characterized in that: be provided with one in described gas treatment chamber for the spraying device of Purge gas.
5. centrifugal blower according to claim 1, is characterized in that: the described entrance of enterprising tracheae and the entrance of lower inlet duct are connected to form total inlet pipe, and the outlet of this total inlet pipe is communicated with upper and lower suction tude respectively, and its entrance is communicated with pending gas.
6. centrifugal blower according to claim 1, is characterized in that: the entrance of described enterprising tracheae is communicated with pending gas, and the entrance of described lower inlet duct is communicated with air.
7. centrifugal blower according to claim 1, is characterized in that: the center line of the suction port on described Blower Housing and the center line of draught fan impeller wheel shaft contour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695513.4A CN103696993B (en) | 2013-12-17 | 2013-12-17 | A kind of high-effective dust-removing energy saving centrifugal ventilator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310695513.4A CN103696993B (en) | 2013-12-17 | 2013-12-17 | A kind of high-effective dust-removing energy saving centrifugal ventilator |
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| Publication Number | Publication Date |
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| CN103696993A CN103696993A (en) | 2014-04-02 |
| CN103696993B true CN103696993B (en) | 2016-02-10 |
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| CN201310695513.4A Expired - Fee Related CN103696993B (en) | 2013-12-17 | 2013-12-17 | A kind of high-effective dust-removing energy saving centrifugal ventilator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60149836A (en) * | 1984-01-17 | 1985-08-07 | S T Giken:Kk | Ventilating fan with dust removing device |
| CN101457760A (en) * | 2007-12-16 | 2009-06-17 | 鞠金采 | Negative-pressure type cleaning-free exhaust fan |
| CN202136276U (en) * | 2011-07-04 | 2012-02-08 | 李继承 | Dust collector |
| CN102410604A (en) * | 2011-10-31 | 2012-04-11 | 中国科学技术大学 | Spiral-flow type extraction and exhaust device with split structure |
| CN202606304U (en) * | 2011-11-02 | 2012-12-19 | 深圳市山水乐环保科技有限公司 | Whirlwind and rotational flow device for electrostatically processing oil fume and dust containing gases |
-
2013
- 2013-12-17 CN CN201310695513.4A patent/CN103696993B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60149836A (en) * | 1984-01-17 | 1985-08-07 | S T Giken:Kk | Ventilating fan with dust removing device |
| CN101457760A (en) * | 2007-12-16 | 2009-06-17 | 鞠金采 | Negative-pressure type cleaning-free exhaust fan |
| CN202136276U (en) * | 2011-07-04 | 2012-02-08 | 李继承 | Dust collector |
| CN102410604A (en) * | 2011-10-31 | 2012-04-11 | 中国科学技术大学 | Spiral-flow type extraction and exhaust device with split structure |
| CN202606304U (en) * | 2011-11-02 | 2012-12-19 | 深圳市山水乐环保科技有限公司 | Whirlwind and rotational flow device for electrostatically processing oil fume and dust containing gases |
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| Publication number | Publication date |
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| CN103696993A (en) | 2014-04-02 |
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Effective date of registration: 20160912 Address after: 526238 5A204 room, fifth floor, Jianshe Road pioneering Service Center building, Zhaoqing hi tech Zone, Guangdong Patentee after: Guangdong Zhi Renteng Environmental Technology Co. Ltd. Address before: 526600 No. 79 Jiefang North Road, new town, Deqin County, Zhaoqing, Guangdong Patentee before: Mei Liangrong |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20160210 Termination date: 20171217 |