CN101984262A - Axial flow fan for conveying high-temperature dusty gas - Google Patents
Axial flow fan for conveying high-temperature dusty gas Download PDFInfo
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- CN101984262A CN101984262A CN 201010538973 CN201010538973A CN101984262A CN 101984262 A CN101984262 A CN 101984262A CN 201010538973 CN201010538973 CN 201010538973 CN 201010538973 A CN201010538973 A CN 201010538973A CN 101984262 A CN101984262 A CN 101984262A
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Abstract
The invention discloses an axial flow fan for conveying high-temperature dusty gas, comprising an outer volute casing, a transmission shaft, a bearing base, a transmission belt, a belt cover, a fan main impeller and a motor; the axial flow fan is characterized in that a cooling air channel which separates the bearing base, the transmission belt and high-temperature gas is arranged in the outer volute casing; the cooling air channel is composed of an inner volute casing arranged in the outer volute casing, cover boards at two ends of the inner volute casing, a belt cover which is connected with the inner volute casing in a closing mode and penetrates through the inner volute casing, an air outlet channel which is connected with the inner volute casing end close to the fan main impeller in a closing mode and penetrates through the inner volute casing and the outer volute casing and an air inlet which is arranged on the belt cover close to the motor belt roller; and the belt cover, the inner volute cover and the air outlet channel form run-through cooling air channel, thereby meeting the requirements of conveying the high-temperature gas, realizing heat dissipation and cooling of the belt, the transmission shaft and the bearing, improving the working environment, enhancing the reliability and greatly improving the service life.
Description
Technical field
The claimed technological scheme of the present invention relates to a kind of axial-flow blower of carrying high temperature dust gas.
Background technique
Coke oven is the main equipment of coking, and it forms coke by the destructive distillation of coal in carbonizing chamber of coke oven, ripe red-hot coke by coke pushing cart with it from the indoor coke guide that is pushed into of carbonization, have bad luck coke tank truck by coke guide.To produce a large amount of high temperature dust flue dust in this process.The improvement of this dust-laden flue dust is at present domesticly all adopted the vehicle-mounted dedusting petticoat pipe of coke guide, the vehicle-mounted smoke catching induced draught fan of coke guide, dedusting main, and ground station for dust removal, can realize the discharge of the coke smoke and dust treatment of process of coke oven by said system.Because the coke guide space is limited, the pipe axis flow fan that comparable size is installed is all adopted in design at present on cleaning shaft, as shown in Figure 4, axial-flow blower spiral case 5 two end flange and blower fan are imported and exported piping flange and are adopted Bolt Connection, and are provided with two blower fan body bearings.Drive 7 rotations of blower fan transmission shafts by motor 1 and v belt 2, be installed in transmission shaft 7 right parts main impeller 10 rotate, to the gas acting that is transferred, thereby realize the conveying of gas.High-temperature gas flows out from volute of blower 5 and the annular pass that blower fan transmission shaft 7, bearing fan 8,21 form, like this, the bearing support 8,21 of blower fan, transmission v belt 2 all is in the high-temperature gas that is transferred, and coke oven coke discharging and dedusting dust-containing airflow is high-temperature gas (temperature is about: 250 ℃), causes fan rotor bearing support and driving triangular belt to be in the hot environment and moves.According to the practice of Ma Gang, fan bearing just needed to change v belt mean lifetime less than 10 days in per 2～3 months.So not only cause the increase of maintenance workload and the rising of spare part expense, even more serious is directly to cause coke oven coke discharging and dedusting effect bad, brings severe contamination to surrounding enviroment, does not meet the requirement of modern coke oven cleaner production.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of axial-flow blower of carrying high temperature dust gas, avoids the bearing support of blower fan, transmission v belt to be in the high-temperature gas that is transferred, thereby realizes the raising of its reliability, the prolongation in working life.
For solving the problems of the technologies described above, the axial-flow blower of conveying high temperature dust gas provided by the invention, comprise outer spiral casing, transmission shaft, bearing support, drivign belt and belt housing, blower fan main impeller, motor, it is characterized in that, a cooled gas path that bearing support, drivign belt and high-temperature gas are isolated is set in outer spiral casing.
Described cooled gas path by be located at inner spiral casing in the outer spiral casing, inner spiral casing two end cover plate, with the airtight belt housing that is connected and connects inner spiral casing of inner spiral casing, be connected and connect inner spiral casing and pass the outlet passageway of outer spiral casing and is forming near the inner spiral casing end of blower fan main impeller is airtight near the suction port of offering on the belt housing at motor pulley place, belt housing, inner spiral casing, outlet passageway form the cooled gas path of perforation.
Described cooled gas path by be located at inner spiral casing in the outer spiral casing, inner spiral casing two end cover plate, with the airtight belt housing that is connected and connects inner spiral casing of inner spiral casing, with near the airtight outlet passageway that is connected and connects inner spiral casing and pass outer spiral casing of the inner spiral casing end of blower fan main impeller with forms at the gas-entered passageway that is connected near belt housing place inner spiral casing end setting airtight and connect inner spiral casing and pass outer spiral casing, gas-entered passageway, inner spiral casing, outlet passageway form the cooled gas path of perforation.
Further improvement of the present invention is on the transmission shaft in described cooled gas path sub-propeller to be set.
Further improvement of the present invention is to insert blower at the suction port of described cooled gas path or gas-entered passageway.
The present invention has carried out technological improvement to the conventional fan spiral case on prior art, the single spiral case of traditional blower fan is become double volute, by the passage of the annular pass between the double volute as blower fan conveying high-temperature gas, and with belt housing, inner spiral casing and the discharge route passage as cooled gas.Both satisfied the requirement of the high-temperature gas of main impeller conveying, drivign belt, transmission shaft, bearing support can be installed in the cooled gas path zone, realize the heat radiation and the cooling of belt and bearing, thereby improve its working environment, its reliability is strengthened, and improve working life greatly.
Description of drawings
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1: the axial-flow blower structural representation of carrying high temperature dust gas
Fig. 2: the axial-flow blower left view of carrying high temperature dust gas
Fig. 3: the cooled gas path schematic representation of carrying the axial-flow blower of high temperature dust gas
Fig. 4: the axial-flow blower structural representation of prior art
Embodiment
The present invention has carried out technological improvement to the conventional fan spiral case on prior art, the single spiral case of traditional blower fan is become double volute, by the passage of the annular pass between the double volute as blower fan conveying high-temperature gas, and with belt housing, inner spiral casing and the outlet passageway passage as cooled gas.Both satisfied the requirement of the high-temperature gas of main impeller conveying, drivign belt, transmission shaft, bearing support can be installed in the cooled gas path zone, realize the heat radiation and the cooling of belt and bearing, thereby improve its working environment, its reliability is strengthened, and improve working life greatly.
Embodiment 1
As shown in Figure 1, motor bed-plate is established on blower fan outer spiral casing 5 tops, and motor 1 is fixed on the motor bed-plate by stone bolt; Inner spiral casing 6 is set in the blower fan outer spiral casing 5, bearing support mounting base 17,18 is set in the inner spiral casing 6, bearing support mounting base 17,18 is installation shaft bearings 8,21 respectively, transmission shaft 7 by Bearing Installation in bearing support 8,21; Transmission pulley 9 is installed in transmission shaft end near bearing support 8, near the transmission shaft end of bearing support 21 main impeller 10 is installed; Cover plate 14 is installed in inner spiral casing end near transmission pulley 9, and the cover plate 15 of cover plate center band through hole is installed in the inner spiral casing end of close main impeller 10, and transmission shaft 7 passes the through hole of cover plate 15, and main impeller 10 is installed in the end; Motor 1 drive motor belt pulley 3, motor pulley 3 drives transmission pulley 9 by belt 2 and rotates, and belt pulley 9 drives main impeller 10 by transmission shaft 7 and rotates; As shown in Figure 3, belt housing 4 passes that outer spiral casing 5 and inner spiral casing 6 are airtight to be connected and to connect inner spiral casing, at inner spiral casing 6 ends outlet passageway 16 is set near main impeller 10, outlet passageway 16 and inner spiral casing 6 be airtight to be connected and to connect inner spiral casing and pass outer spiral casing 5 and communicate with atmosphere, offer suction port 19 near on the belt housing at motor pulley 3 places, belt housing 4, inner spiral casing 6, outlet passageway 16 forms one with transmission shaft 7, bearing support 8 and 21, the cooled gas path that belt 2 and high-temperature gas are isolated, rotation along with belt pulley and belt, cooled gas enters from suction port 19, flow in the inner spiral casing 6 along belt housing 4, discharge by outlet passageway 16 then, like this, transmission shaft 7, bearing support 8 and 21, belt 2 just obtains cooling, thereby has improved its working environment, its reliability is strengthened, and improve working life greatly.Cooled gas can be an ambient air, also can be air-conditioning cold wind etc.High-temperature gas flows out from inner spiral casing 6 and the annular pass that outer spiral casing 5 forms.
Except that cooled gas path, other structures of the axial-flow blower of conveying high temperature dust gas are identical with embodiment 1.As shown in Figure 3, belt housing 4 passes that outer spiral casing 5 and inner spiral casing 6 are airtight to be connected and to connect inner spiral casing, belt housing 4 is opening not, near inner spiral casing 6 ends of belt housing 4 gas-entered passageway 20 is set, and gas-entered passageway 20 and inner spiral casing 6 be airtight to be connected and to connect inner spiral casing and pass outer spiral casing 5 and communicate with atmosphere.Gas-entered passageway 20, inner spiral casing 6, outlet passageway 16 form a cooled gas path that transmission shaft 7, bearing support 8 and 21, belt 2 and high-temperature gas are isolated, rotation along with belt pulley and belt, cooled gas enters in the inner spiral casing 6 from gas-entered passageway 20, discharge by outlet passageway 16 then, like this, transmission shaft 7, bearing support 8 and 21, belt 2 just obtain cooling, thereby have improved its working environment, its reliability is strengthened, and improve working life greatly.
Except that cooled gas path, other structures of the axial-flow blower of conveying high temperature dust gas are identical with embodiment 1.As shown in Figure 3, belt housing 4 passes that outer spiral casing 5 and inner spiral casing 6 are airtight to be connected and to connect inner spiral casing, belt housing 4 is being offered suction port 19 near belt pulley 3 places, near inner spiral casing 6 ends of belt housing 4 gas-entered passageway 20 is set, gas-entered passageway 20 and inner spiral casing 6 be airtight to be connected and to connect inner spiral casing and pass outer spiral casing 5 and communicate with atmosphere.Belt housing 4, gas-entered passageway 20, inner spiral casing 6, outlet passageway 16 form a cooled gas path that transmission shaft 7, bearing support 8 and 21, belt 2 and high-temperature gas are isolated.Rotation along with belt pulley and belt, one road cooled gas enters in the inner spiral casing 6 from gas-entered passageway 20, another road cooled gas enters from suction port 19, flow in the inner spiral casing 6 along belt housing 4, discharge by outlet passageway 16 then, like this, transmission shaft 7, bearing support 8 and 21, belt 2 just obtain cooling, thereby improved its working environment, its reliability is strengthened, improve working life greatly.
Other structures of the present invention are identical with one of embodiment 1-3, as shown in Figure 1, sub-propeller 11 is installed on the transmission shaft between bearing support 8 and 21 7, and sub-propeller 11 rotation directions are opposite with main impeller, along with the rotation of transmission shaft 7, sub-propeller 11 with ambient air from suction port 19 and or gas-entered passageway 20 suck cooled gas path, accelerate flowing of cooled gas, accelerated the heat radiation and the cooling of belt and bearing, thereby improved its working environment, its reliability is strengthened, and improve working life greatly.
Other structures of the present invention are identical with one of embodiment 1-3, suction port 19 or gas-entered passageway 20 insert blower, cooled gas enters in the inner spiral casing 6 from gas-entered passageway 20, or cooled gas enters from suction port 19, flow in the inner spiral casing 6 along belt housing 4, perhaps cooled gas enters in the inner spiral casing 6 from suction port 19 and gas-entered passageway 20 simultaneously, discharge by outlet passageway 16 then, like this, transmission shaft 7, bearing support 8 and 21, belt 2 just obtain cooling, thereby improved its working environment, its reliability is strengthened, improve working life greatly.
Other structures of the present invention are identical with one of embodiment 1-4, and lubricating fitting mounting base 12 is set on outer spiral casing 5 as shown in Figure 2, are used to install the bearing forced lubrication device.
Claims (6)
1. axial-flow blower of carrying high temperature dust gas, comprise outer spiral casing, transmission shaft, bearing support, drivign belt and belt housing, blower fan main impeller, motor, it is characterized in that, a cooled gas path that bearing support, drivign belt and high-temperature gas are isolated is set in outer spiral casing.
2. carry the axial-flow blower of high temperature dust gas according to claim 1, it is characterized in that, described cooled gas path by be located at inner spiral casing in the outer spiral casing, inner spiral casing two end cover plate, with the airtight belt housing that is connected and connects inner spiral casing of inner spiral casing, be connected and connect inner spiral casing and pass the outlet passageway of outer spiral casing and is forming near the inner spiral casing end of blower fan main impeller is airtight near the suction port of offering on the belt housing at motor pulley place, belt housing, inner spiral casing, outlet passageway form the cooled gas path of perforation.
3. carry the axial-flow blower of high temperature dust gas according to claim 1, it is characterized in that, described cooled gas path by be located at inner spiral casing in the outer spiral casing, inner spiral casing two end cover plate, with the airtight belt housing that is connected and connects inner spiral casing of inner spiral casing, with near the airtight outlet passageway that is connected and connects inner spiral casing and pass outer spiral casing of the inner spiral casing end of blower fan main impeller with forms at the gas-entered passageway that is connected near belt housing place inner spiral casing end setting airtight and connect inner spiral casing and pass outer spiral casing, gas-entered passageway, inner spiral casing, outlet passageway form the cooled gas path of perforation.
4. as the axial-flow blower of conveying high temperature dust gas as described in claim 2 or 3, it is characterized in that on the transmission shaft in described cooled gas path sub-propeller is set, the sub-propeller rotation direction is opposite with main impeller.
5. as the axial-flow blower of conveying high temperature dust gas as described in claim 2 or 3, it is characterized in that, insert blower at the suction port or the gas-entered passageway of described cooled gas path.
6. as the axial-flow blower of conveying high temperature dust gas as described in claim 2 or 3, it is characterized in that, lubricating fitting is set in described bearing support part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010538973 CN101984262A (en) | 2010-11-10 | 2010-11-10 | Axial flow fan for conveying high-temperature dusty gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010538973 CN101984262A (en) | 2010-11-10 | 2010-11-10 | Axial flow fan for conveying high-temperature dusty gas |
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| CN101984262A true CN101984262A (en) | 2011-03-09 |
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| CN 201010538973 Pending CN101984262A (en) | 2010-11-10 | 2010-11-10 | Axial flow fan for conveying high-temperature dusty gas |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116303A (en) * | 2011-04-06 | 2011-07-06 | 无锡锡山特种风机有限公司 | Inserted type circulating fan |
| CN103939370A (en) * | 2014-04-15 | 2014-07-23 | 秦朝军 | High-temperature-resistant air suction and feeding machine for pipeline |
| CN104329297A (en) * | 2014-10-11 | 2015-02-04 | 南京磁谷科技有限公司 | Centrifugal blower capable of separately filtering air blast air and cooling air |
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
| CN112943642A (en) * | 2021-04-15 | 2021-06-11 | 河北金士顿科技有限责任公司 | Air compressor shell using closed-loop cooling and air compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2343396Y (en) * | 1998-09-22 | 1999-10-13 | 安徽省安风风机股份有限公司 | Vertical axial-flow fan |
| CN2738009Y (en) * | 2004-10-19 | 2005-11-02 | 上海通用风机股份有限公司 | High-temperature axial-flow fan with built-in motor |
| CN200999736Y (en) * | 2007-01-31 | 2008-01-02 | 上海诺地乐通用设备制造有限公司 | Belt transmission high-temperature axial-flow draught fan |
| CN201396296Y (en) * | 2009-04-27 | 2010-02-03 | 江苏金通灵风机股份有限公司 | Coke-guide dust-removal axial-flow fan |
| CN201448264U (en) * | 2009-05-06 | 2010-05-05 | 陕西平阳风机有限公司 | Axial flow fan special for tile annular kiln |
| CN201858172U (en) * | 2010-11-10 | 2011-06-08 | 马鞍山钢铁股份有限公司 | Axial flow fan for conveying high-temperature gas |
-
2010
- 2010-11-10 CN CN 201010538973 patent/CN101984262A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2343396Y (en) * | 1998-09-22 | 1999-10-13 | 安徽省安风风机股份有限公司 | Vertical axial-flow fan |
| CN2738009Y (en) * | 2004-10-19 | 2005-11-02 | 上海通用风机股份有限公司 | High-temperature axial-flow fan with built-in motor |
| CN200999736Y (en) * | 2007-01-31 | 2008-01-02 | 上海诺地乐通用设备制造有限公司 | Belt transmission high-temperature axial-flow draught fan |
| CN201396296Y (en) * | 2009-04-27 | 2010-02-03 | 江苏金通灵风机股份有限公司 | Coke-guide dust-removal axial-flow fan |
| CN201448264U (en) * | 2009-05-06 | 2010-05-05 | 陕西平阳风机有限公司 | Axial flow fan special for tile annular kiln |
| CN201858172U (en) * | 2010-11-10 | 2011-06-08 | 马鞍山钢铁股份有限公司 | Axial flow fan for conveying high-temperature gas |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116303A (en) * | 2011-04-06 | 2011-07-06 | 无锡锡山特种风机有限公司 | Inserted type circulating fan |
| CN102116303B (en) * | 2011-04-06 | 2013-07-31 | 无锡锡山特种风机有限公司 | Inserted type circulating fan |
| CN103939370A (en) * | 2014-04-15 | 2014-07-23 | 秦朝军 | High-temperature-resistant air suction and feeding machine for pipeline |
| CN104329297A (en) * | 2014-10-11 | 2015-02-04 | 南京磁谷科技有限公司 | Centrifugal blower capable of separately filtering air blast air and cooling air |
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
| CN112943642A (en) * | 2021-04-15 | 2021-06-11 | 河北金士顿科技有限责任公司 | Air compressor shell using closed-loop cooling and air compressor |
| CN112943642B (en) * | 2021-04-15 | 2022-07-08 | 河北金士顿科技有限责任公司 | Air compressor shell using closed-loop cooling and air compressor |
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Open date: 20110309 |