CN102338099A - High-temperature gas circulating fan - Google Patents
High-temperature gas circulating fan Download PDFInfo
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- CN102338099A CN102338099A CN2011103396878A CN201110339687A CN102338099A CN 102338099 A CN102338099 A CN 102338099A CN 2011103396878 A CN2011103396878 A CN 2011103396878A CN 201110339687 A CN201110339687 A CN 201110339687A CN 102338099 A CN102338099 A CN 102338099A
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Abstract
The invention discloses a high-temperature gas circulating fan which comprises a main shaft, a driving device, a wind pressure device and a sealing device, wherein one end of the main shaft is in transmission connection with the output shaft of the driving device, and the other end of the main shaft is in transmission connection with an impeller of the wind pressure device; the sealing device is positioned on the exterior of the main shaft arranged between the driving device and the wind pressure device, and the sealing device comprises a mechanical seal body arranged on the exterior of the main shaft; a cooling device is arranged on the exterior of the main shaft arranged between the wind pressure device and the sealing device, and the cooling device comprises a cannular cooling shell; the two end faces of the cannular cooling shell are respectively abutted with to an enclosure and the sealing device, the top of the cannular cooling shell is provided with a water inlet, and the bottom of the cannular cooling shell is provided with a water outlet; and water distribution sheets are arranged in the cannular cooling shell and above the main shaft. The circulating fan provided by the invention has the advantages that the cooling device is arranged, so that the heat is prevented from being transferred to the mechanical seal body by virtue of a drive shaft, the sealing effect of the mechanical seal body of the fan is ensured, and the safe operation of the fan at a high temperature state is realized.
Description
Technical field
The present invention relates to a kind of centrifugal blower, a kind of coal gas of high temperature circulating fan of more specifically saying so belongs to blower fan and ventilating engineering technical field.
Background technique
According to country's " 12 " planning requirement, the coke oven coal gas of high temperature of big-and-middle-sized steel works is carried out the transformation of energy-conserving and environment-protective project, and the coke oven high-temperature gas is lowered the temperature and the purifying media environmental quality, be the key equipment of high-temp combustion technology, energy-saving and emission-reduction.
Existing coal gas of high temperature circulating fan generally is made up of main shaft, drive unit, blast device and seal arrangement, and drive unit is generally motor.The blast device comprises casing, the impeller in casing, and casing is provided with intake grill, exhaust outlet.Because coal gas of high temperature circulating fan conveying gas is a mixed gas; Be flammable explosive gas; Therefore for preventing that coal gas of high temperature from leaking, between drive unit and blast device, be provided with seal arrangement, seal arrangement comprises the mechanical seal body that transmission shaft is outer with being arranged on transmission shaft; One end and the drive unit of transmission shaft are in transmission connection, and the impeller of the other end and blast device is in transmission connection.
Because the temperature of the coke oven coal gas of high temperature of steel works can reach more than 600 ℃, the heat of coal gas of high temperature can be delivered on the mechanical seal body through transmission shaft from impeller, influences mechanical seal body sealing effect, finally makes being affected of blower fan.
Summary of the invention
To above-mentioned situation; The problem that quasi-solution of the present invention is determined provides a kind of heat of coal gas of high temperature of avoiding can be delivered to the coal gas of high temperature circulating fan on the mechanical seal body through transmission shaft from impeller; Sealing effect with the mechanical seal body that guarantees blower fan effectively solves the safe operation of such blower fan under the condition of high temperature.
For achieving the above object; The present invention adopts following technological scheme: a kind of coal gas of high temperature circulating fan; It comprises main shaft, drive unit, blast device and seal arrangement, and said blast device comprises casing, the impeller in casing, and said casing is provided with intake grill, exhaust outlet; One end of said main shaft and the output shaft of drive unit is in transmission connection, the impeller of the other end and blast device is in transmission connection; Outside the main shaft of said seal arrangement between drive unit and blast device; Said seal arrangement comprises the mechanical seal body that is arranged on outside the main shaft; Main shaft between said blast device and the seal arrangement also is provided with cooling unit outward; Said cooling unit comprises the cooled enclosure of tubular, and two end faces of the cooled enclosure of said tubular are respectively near casing and seal arrangement; The cooled enclosure top of said tubular is provided with water intake, the bottom is provided with water outlet; The cooled enclosure of said tubular is interior, the top of main shaft is provided with the water distribution sheet.
Be respectively equipped with two sections screw threads on two ends of the main shaft in the said cooling unit, the Hand of spiral of said two sections screw threads is opposite.Be provided with a circle groove between two sections screw threads of the main shaft in the said cooling unit.
Said cooling unit also comprises water circulator, and said water circulator water-collecting tray, water pump and feed water tank, said water-collecting tray are positioned at the water outlet below and are connected with the water outlet pipeline; Said feed water tank is positioned at the water intake top and is connected with the water intake pipeline; Said feed water tank is connected with the water-collecting tray pipeline; Said water pump is connected on feed water tank and the water-collecting tray pipeline.
Have several circular or rectangular apertures on the said water distribution sheet, said water distribution sheet four sides are separately fixed on the cooled enclosure side face inboard of cooled enclosure two ends, tubular of tubular.
Adopt such scheme; Coal gas of high temperature circulating fan of the present invention; Because the main shaft between blast device and the seal arrangement also is provided with cooling unit outward, said cooling unit comprises the cooled enclosure of tubular, and two end faces of the cooled enclosure of said tubular are respectively near casing and seal arrangement; The cooled enclosure top of said tubular is provided with water intake, the bottom is provided with water outlet; The cooled enclosure of said tubular is interior, the top of main shaft is provided with the water distribution sheet.Like this; The water inlet of water outlet sprays on the main shaft in the seal arrangement through the water distribution sheet; Make the main shaft cooling, flow out from water outlet again, avoid the heat of coal gas of high temperature to be delivered on the mechanical seal body through transmission shaft from impeller; Sealing effect with the mechanical seal body that guarantees blower fan effectively solves the safe operation of such blower fan under the condition of high temperature.
In addition, be respectively equipped with two sections screw threads on two ends of the main shaft in the said cooling unit, the Hand of spiral of said two sections screw threads is opposite.When blower fan was worked, it is relative that the spiral shell of the two sections screw threads of main shaft in the cooling unit advances direction, can make concentrating between two sections screw threads of spray like this, prevents aweather pressure device and move with the seal arrangement direction of cooling water, helps the safe operation of blower fan more.Being provided with a circle groove between two sections screw threads of the main shaft in the cooling unit makes above-mentioned effect more obvious.
Description of drawings
Fig. 1 is the structural representation of coal gas of high temperature circulating fan of the present invention;
Fig. 2 is the structural representation of cooling unit and Fig. 1 Vertical direction;
Fig. 3 is the structural representation of water distribution sheet.
Among the figure: 1-main shaft, 2-drive unit, 3-casing, 4-impeller, 5-intake grill, 6-exhaust outlet; 7-mechanical seal body, 8-cooled enclosure, 9-water intake, 10-water outlet, 11-water distribution sheet, 12-screw thread; The 13-water-collecting tray, 14-water pump, 15-feed water tank, 16-aperture, 17-groove.
Embodiment
As shown in Figure 1, coal gas of high temperature circulating fan of the present invention, it comprises main shaft 1, drive unit 2, blast device and seal arrangement, and said blast device comprises casing 3, the impeller in casing 34, and said casing 3 is provided with intake grill 5, exhaust outlet 6.One end of said the main shaft 1 and output shaft of drive unit 1 is in transmission connection, the impeller 4 of the other end and blast device is in transmission connection.Outside the main shaft 1 of said seal arrangement between drive unit 1 and blast device; Said seal arrangement comprises the mechanical seal body 7 that is arranged on outside the main shaft 1; Said mechanical seal body 7 can adopt some structures of existing blower fan industry, like labyrinth seal, because the seal arrangement and the coal gas of high temperature circulating fan main innovate point degree of association of the present invention are little; Therefore, no longer launch.The similar of the centrifugal blower of structure described above and existing technology for practicing thrift length, is only done simple the description.
Referring to Fig. 1, Fig. 2, the main feature of coal gas of high temperature circulating fan of the present invention is the main shaft 1 outer cooling unit that also is provided with between said blast device and the seal arrangement.
Said cooling unit comprises the cooled enclosure 8 of tubular, and two end faces of the cooled enclosure 8 of said tubular are respectively near casing 3 and seal arrangement; Cooled enclosure 8 tops of said tubular are provided with water intake 9, the bottom is provided with water outlet 10; Cooled enclosure 8 tops interior, main shaft 1 of said tubular are provided with water distribution sheet 11.Have several circular or rectangular apertures 16 on the said water distribution sheet 11, in general, in the water distribution sheet 11 of the top of said main shaft 1, aperture 16 is intensive relatively, and cooling water can effectively be sprayed on the main shaft 1.Said water distribution sheet 10 4 sides are separately fixed on the cooled enclosure 6 side face inboards of cooled enclosure 6 two ends, tubular of tubular.
Improvement as coal gas of high temperature circulating fan of the present invention; Be respectively equipped with two sections screw threads 12 on two ends of the main shaft 1 in the said cooling unit; It is relative that the spiral shell of the two sections screw threads of main shaft in the Hand of spiral of said two sections screw threads 12 opposite (referring to Fig. 1) advances direction; Can make concentrating between two sections screw threads of spray like this, prevent aweather pressure device and move of cooling water, help the safe operation of blower fan with the seal arrangement direction.
Be respectively equipped with on two ends of the main shaft 1 in the said cooling unit two sections screw threads 12 can in the middle of connect, also can in separated, under the separated situation, be preferably in and be provided with a circle groove 17 between two sections screw threads 12.
Referring to Fig. 1, said cooling unit also comprises water circulator, said water circulator water-collecting tray 13, water pump 14 and feed water tank 15, and said water-collecting tray 13 is positioned at water outlet 9 belows and is connected with water outlet 9 pipelines; Said feed water tank 15 is positioned at water intake 8 tops and is connected with water intake 8 pipelines; Said feed water tank 15 is connected with water-collecting tray 13 pipelines; Said water pump 14 is connected on feed water tank 15 and water-collecting tray 13 pipelines.Help recycling of cooling water like this, with the conserve water resource.
Claims (5)
1. coal gas of high temperature circulating fan; It comprises main shaft (1), drive unit (2), blast device and seal arrangement; Said blast device comprises casing (3), the impeller (4) in casing (3), and said casing (3) is provided with intake grill (5), exhaust outlet (6); The output shaft of one end of said main shaft (1) and drive unit (1) is in transmission connection, the impeller (4) of the other end and blast device is in transmission connection; Outside the main shaft (1) of said seal arrangement between drive unit (1) and blast device; Said seal arrangement comprises the mechanical seal body (7) that is arranged on outside the main shaft (1); It is characterized in that the outer cooling unit that also is provided with of main shaft (1) between said blast device and the seal arrangement; Said cooling unit comprises the cooled enclosure (8) of tubular, and two end faces of the cooled enclosure of said tubular (8) are respectively near casing (3) and seal arrangement; The cooled enclosure of said tubular (8) top is provided with water intake (9), the bottom is provided with water outlet (10); The cooled enclosure of said tubular (8) is interior, the top of main shaft (1) is provided with water distribution sheet (11).
2. coal gas of high temperature circulating fan according to claim 1 is characterized in that being respectively equipped with two sections screw threads (12) on two ends of the main shaft (1) in the said cooling unit, and the Hand of spiral of said two sections screw threads (12) is opposite.
3. coal gas of high temperature circulating fan according to claim 2 is characterized in that being provided with a circle groove (17) between two sections screw threads (12) of the main shaft (1) in the said cooling unit.
4. according to claim 1 or 2 or 3 described coal gas of high temperature circulating fans; It is characterized in that said cooling unit also comprises water circulator; Said water circulator water-collecting tray (13), water pump (14) and feed water tank (15), said water-collecting tray (13) are positioned at water outlet (9) below and are connected with water outlet (9) pipeline; Said feed water tank (15) is positioned at water intake (8) top and is connected with water intake (8) pipeline; Said feed water tank (15) is connected with water-collecting tray (13) pipeline; Said water pump (14) is connected on feed water tank (15) and water-collecting tray (13) pipeline.
5. according to claim 1 or 2 or 3 described coal gas of high temperature circulating fans; It is characterized in that having on the said water distribution sheet (11) several circular or rectangular apertures (16), said water distribution sheet (11) four sides are separately fixed on cooled enclosure (6) the side face inboard of cooled enclosure (6) two ends, tubular of tubular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103396878A CN102338099A (en) | 2011-11-01 | 2011-11-01 | High-temperature gas circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103396878A CN102338099A (en) | 2011-11-01 | 2011-11-01 | High-temperature gas circulating fan |
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| Publication Number | Publication Date |
|---|---|
| CN102338099A true CN102338099A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103396878A Pending CN102338099A (en) | 2011-11-01 | 2011-11-01 | High-temperature gas circulating fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519405A (en) * | 2019-01-07 | 2019-03-26 | 河北华晟环保设备科技有限公司 | The dedicated extra-high pressure fan of ash furnace |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087705U (en) * | 1991-02-26 | 1991-10-30 | 李敬忠 | High-temperature resistant water-wheel blower for iron-smelting furnace |
| CN2789476Y (en) * | 2005-05-12 | 2006-06-21 | 钟真 | Water cooling motor A type linkage high-temperature centrifugal fan |
| JP2008184960A (en) * | 2007-01-29 | 2008-08-14 | Cap Co Ltd | Fan for blowing high temperature gas |
| CN201273294Y (en) * | 2008-10-15 | 2009-07-15 | 黄小勇 | Water-cooling direct-connecting fire-resistant centrifugal draught fan |
| CN201827155U (en) * | 2010-10-09 | 2011-05-11 | 上虞专用风机有限公司 | Cooling device of high-temperature centrifugal fan |
| CN202326365U (en) * | 2011-11-01 | 2012-07-11 | 上虞专用风机有限公司 | High-temperature gas circulating fan |
-
2011
- 2011-11-01 CN CN2011103396878A patent/CN102338099A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2087705U (en) * | 1991-02-26 | 1991-10-30 | 李敬忠 | High-temperature resistant water-wheel blower for iron-smelting furnace |
| CN2789476Y (en) * | 2005-05-12 | 2006-06-21 | 钟真 | Water cooling motor A type linkage high-temperature centrifugal fan |
| JP2008184960A (en) * | 2007-01-29 | 2008-08-14 | Cap Co Ltd | Fan for blowing high temperature gas |
| CN201273294Y (en) * | 2008-10-15 | 2009-07-15 | 黄小勇 | Water-cooling direct-connecting fire-resistant centrifugal draught fan |
| CN201827155U (en) * | 2010-10-09 | 2011-05-11 | 上虞专用风机有限公司 | Cooling device of high-temperature centrifugal fan |
| CN202326365U (en) * | 2011-11-01 | 2012-07-11 | 上虞专用风机有限公司 | High-temperature gas circulating fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109519405A (en) * | 2019-01-07 | 2019-03-26 | 河北华晟环保设备科技有限公司 | The dedicated extra-high pressure fan of ash furnace |
| CN109519405B (en) * | 2019-01-07 | 2023-09-29 | 河北华晟环保设备科技有限公司 | Special extra-high voltage fan for ash kiln |
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Application publication date: 20120201 |