CN1279359A - Boosting centrifugal blower for delivering hot gas and its sealing method - Google Patents
Boosting centrifugal blower for delivering hot gas and its sealing method Download PDFInfo
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- CN1279359A CN1279359A CN 00105171 CN00105171A CN1279359A CN 1279359 A CN1279359 A CN 1279359A CN 00105171 CN00105171 CN 00105171 CN 00105171 A CN00105171 A CN 00105171A CN 1279359 A CN1279359 A CN 1279359A
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Abstract
An airflow sealing of blower for the pressure delivery of hot gas or other high-temp media is disclosed. Said boosting centrifugal blower is composed of casing, blade wheel, front end plate, sealing unit, mainshft, insulating shell and filler, bearing box, coupler, antiexplosion motor and machine frame. An open radical blade wheel is composed of shaft disk, blades, wheel and auxiliary blades. The shaft sleeve in sealing unit has air channel communicated to mainshaft. The air-sucking mouth is communicated to said air channel in seal mode via the hole on shell of sealing unit. An air inlet mouth is communicated to said air-sucking mouth via tube.
Description
The present invention relates to a kind of centrifugal blower, particularly blower from close and motive sealing, be mainly used in the pressurized delivered of heating gas, also can be used for the pressurized delivered of other similar high temperature media.
Background technique of the present invention: at present external used coal gas delivery method is to capture tar (comprising sewage treatment) to normal temperature coal gas from gas producer heat station aerogenesis through cooling, wet method, adopts roots blower or centrifugal blower pressurized delivered.This will cause: the one, once invest greatly, and particularly heating gas cooling back tar condensing must be provided with wet method and catch Jiao and water processing establishment, and floor space is big, expense is expensive, and the maintenance management formality is complicated, and expense increases; The 2nd, gas at normal temperature severe is big, and transmitting power consumes high, adds the energy consumption that prime is handled, and causes day-to-day operation costly; The 3rd, directly do not carry the pressurized equipment of heating gas to emerge owing to have, cause the phenomenon long-term existence of the waste investment and the energy.
Purpose of design of the present invention: avoid the deficiency in the background technique, designed a kind of boosting centrifugal blower and encapsulating method of carrying heating gas, the one, can omit cooling unit in the background technique, electrical tar precipitator, water processing establishment, make the investment of carrying coal gas be depressed into original 1/4th; The 2nd, directly carry the less coal gas of high temperature gas of severe, cause that the blower fan transmitting power is corresponding to be reduced, the power consumption of (400 ℃～500 ℃) its per unit volume flow can save 40～46% usually; The 3rd, adopt the present invention, can save prime pretreatment energy consumption; The 4th, utilize the negative pressure selfsealings in the blower fan and location sealing of spindles group is adopted the air exhausting type dynamic seal apparatus, guaranteed that coal gas does not leak; The 5th, the design of casing group insulating structure can prevent tar condensing effectively.
Design proposal of the present invention: in order to realize purpose of design of the present invention, " air current sealed " structure that designs according to the gas flow principle.On conceptual design: the one, impeller sets has designed the back auxiliary blade, and purpose is to make main shaft and blower fan rear side rotational engagement place form negative pressure when equipment operation, prevents gas leakage; The 2nd, can not leak outside in order to guarantee coal gas along blower fan main shaft, designed the air exhausting type dynamic seal apparatus being used for locating the sealing of spindles group, the mouth of bleeding is set on the sealing group shell, its outspoken logical main shaft of bleeding, on front shroud group air intake tube, air inlet nozzle is set, be communicated with will bleed mouth and air inlet nozzle of flexible pipe or hard tube, purpose be utilize the negative pressure of intake grill take out may be remaining in the most sealing group coal gas, guarantee absolute do not have leak; The 3rd, be provided with the tight filler of insulation reliably in the casing group of blower fan, purpose is to prevent tar condensing; The 4th, designed the unshrouded impeller that prevents dust adhesion, and divided two kinds of semi-open type and full-open types according to the difference of gas property and required pressure.Its organization plan: 1. a kind of boosting centrifugal blower of carrying heating gas, it comprises casing group (1), impeller sets (2), front shroud group (3), sealing group (7), main shaft (10), lagging casing (11), insulation filler (12), bearing housing (15), coupling (21), anti-explosion motor (24) and frame (30), by reel (33), blade (34), wheel disc (35) and auxiliary blade (31) constitute opens radial impeller group (2), auxiliary blade (31) is positioned at the back of blade (34), be wheel disc (35) between blade (34) and auxiliary blade (31), wheel disc (35) is fixed on the reel (33), axle sleeve (36) in the sealing group (7) has air flue and logical main shaft (10), mouth (32) one ends of bleeding pass the hole on the sealing group shell and are communicated with air flue sealing in the axle sleeve (36), the air intake pipe of front shroud group (3) is provided with air inlet nozzle, its air inlet nozzle adopts flexible pipe or hard tube to be communicated with the mouth of bleeding (33), the wall of casing group (1) is made of lagging casing (11) and insulation filler (12), and insulation filler (12) is positioned at the moist closet that lagging casing constitutes.Space between auxiliary blade (31) in the impeller sets (2) and casing group (1) inwall constitutes negative pressure chamber.Impeller sets (2) and sealing group (7) adopt ferrous metal or non-ferrous metal or alloyed steel or ceramic material.Being shaped as of impeller sets (2) is various centrifugal, being shaped as rectangle or circle or taper and being complementary with casing group (1), main shaft (10) of sealing group (7).Impeller in the impeller sets (2) is semi-open type or full-open type radial blade structure.2. a kind of boosting centrifugal blower encapsulating method of carrying heating gas, utilize the auxiliary blade of blade back in the impeller sets, main shaft and blower fan rear side junction point form negative pressure when making the impeller sets running, prevent gas leakage, utilize the negative pressure of boosting centrifugal blower intake grill, remaining coal gas in the sealing group is taken out to the greatest extent to the blower fan air duct by pipeline.
The present invention compares with background technique, and the one, structural design novelty, uniqueness, simple; The 2nd, the back auxiliary blade of blade in impeller sets makes main shaft and blower fan rear side rotational engagement place form negative pressure when having realized equipment operation, prevent gas leakage effectively; The 3rd, can not leak outside in order to guarantee coal gas along blower fan main shaft, designed air exhausting type dynamic seal apparatus-on the sealing group shell, the be provided with mouth of bleeding being used for locating the sealing of spindles group, its outspoken logical main shaft of bleeding, and on front shroud group air intake tube, air inlet nozzle is set, be communicated with will bleed mouth and air inlet nozzle of flexible pipe or hard tube, utilize the negative pressure of intake grill to take out to have use up may be remaining in the sealing group coal gas, guarantee absolute do not have leak; The 4th, be provided with the tight filler of insulation reliably in the casing group of blower fan, prevent tar condensing effectively; The 5th, omit cooling unit, electrical tar precipitator, water processing establishment in the background technique, make the investment of carrying coal gas be depressed into original 1/4th; The 6th, owing to directly carry the less coal gas of high temperature gas of severe, cause that the blower fan transmitting power is corresponding to be reduced, the power consumption of common (400 ℃～500 ℃) its per unit volume flow can save 40～46%.
Description of drawings:
Fig. 1 is that structural representation cuts open in the master of the present invention office of looking.
Fig. 2 is a side view of the present invention.
Fig. 3 is the structure for amplifying schematic representation of sealing group.
Fig. 4 is the main TV structure schematic representation of impeller sets.
Fig. 5 is the side-looking structural representation of impeller sets.
1～5 couple of the present invention does with narration in conjunction with the accompanying drawings.
Embodiment 1: a kind of boosting centrifugal blower of carrying heating gas, this machine is designed to the overall structure pattern, blower fan main body, driving mechanism, bearing housing (15) adopt water interlayer water cooling circulation solid bearing case and adopt bolt (16), packing ring (17,18), nut (19) and backing plate (20) are installed on the frame (30), anti-explosion motor (24) adopts adjustment pad (25), bolt (26), packing ring (27,28), nut (29) to be installed on the whole frame (30).Anti-explosion motor (24) adopts coupling (21) to connect with bearing housing (15) axle, and coupling adopts elastic cylinder Xiao coupling.Protective housing (22) adopts bolt (23) to cover on and is fixed on the frame after coupling (21) is gone up.Main shaft (10) adopts packing ring (9) and nut (8) to connect with impeller sets, and main shaft adopts high-quality heatproof steel to make.The wall of casing group (1) is made of lagging casing (11) and insulation filler (12), and insulation filler (12) is positioned at the moist closet that lagging casing constitutes, and the casing group is provided with stiffening rib group (4).The top of casing group is provided with steam and takes over, and is convenient to purge laying dust, and the bottom is provided with drain pipe and the water seal hole joins.Impeller sets (2) constitutes unshrouded impeller group (2) by reel (33), blade (34), wheel disc (35) and auxiliary blade (31), auxiliary blade (31) is positioned at the back of blade (34), be wheel disc (35) between blade (34) and auxiliary blade (31), wheel disc (35) is fixed on the reel (33).The impeller reel cooperates employing taper adapter sleeve structure with main shaft, be convenient to user's demolition.Material is selected the manufacturing of high-quality stainless steel for use, after the impeller moulding, through quiet, dynamic balance calibration, makes it when carrying the higher heating gas of dust loading, can not destroy dynamic balancing easily.The air intake pipe of front shroud group (3) is provided with air inlet nozzle.Axle sleeve (36) in the sealing group (7) has air flue and logical main shaft (10), mouth (32) one ends of bleeding pass the hole on the sealing group shell and are communicated with air flue sealing in the axle sleeve (36), sealing group internal axle sleeve (36) sidepiece is provided with seal ring, it is last and affixed with the sealing group shell that flange is enclosed within axle, its flange front end touches mutually with seal ring, rear end cover and sealing group outer casing end are affixed, and the sealing group shell adopts pad figure (6) and bolt (5) and casing group (1) affixed.Main shaft (10) is a prior art, is not described herein at this.Bearing housing (15), coupling (21), anti-explosion motor (24) and frame (30) belong to prior art, are not described herein at this.Air inlet nozzle on the front shroud group air intake pipe adopts flexible pipe or hard tube to be communicated with the mouth of bleeding (33) on the sealing group (7), and purpose utilizes the negative pressure of intake grill to take out the interior possible remaining coal gas of most sealing group, guarantees that coal gas does not definitely have leakage.Space between auxiliary blade (31) in the impeller sets (2) and casing group (1) inwall constitutes negative pressure chamber.Impeller sets (2) and sealing group (7) adopt ferrous metal or non-ferrous metal or alloyed steel or ceramic material.Being shaped as of impeller sets (2) is various centrifugal, being shaped as rectangle or circle or taper and being complementary with casing group (1), main shaft (10) of sealing group (7).Impeller in the impeller sets (2) is semi-open type or full-open type radial blade structure.The 13rd, bolt, the 14th, packing ring.
Embodiment 2: a kind of boosting centrifugal blower encapsulating method of carrying heating gas, utilize the auxiliary blade of blade back in the impeller sets, main shaft and blower fan rear side junction point form negative pressure when making the impeller sets running, prevent gas leakage, utilize the negative pressure of boosting centrifugal blower intake grill, by pipeline remaining coal gas in the sealing group is taken out to the greatest extent to the blower fan air duct, that is to say, the mouth of bleeding is set on blower fan sealing group shell, its outspoken logical main shaft of bleeding is provided with air inlet nozzle on blower fan front shroud group air intake tube, be communicated with will bleed mouth and air inlet nozzle of flexible pipe or hard tube, purpose is to utilize the negative pressure of air inlet to take out the remaining coal gas of possibility in the most sealing group, guarantees the absolute leakage of not having.
Claims (6)
1, a kind of boosting centrifugal blower of carrying heating gas, it comprises casing group (1), impeller sets (2), front shroud group (3), sealing group (7), main shaft (10), lagging casing (11), insulation filler (12), bearing housing (15), coupling (21), anti-explosion motor (24) and frame (30), it is characterized in that: by reel (33), blade (34), wheel disc (35) and auxiliary blade (31) constitute opens radial impeller group (2), auxiliary blade (31) is positioned at the back of blade (34), be wheel disc (35) between blade (34) and auxiliary blade (31), wheel disc (35) is fixed on the reel (33), axle sleeve (36) in the sealing group (7) has air flue and logical main shaft (10), mouth (32) one ends of bleeding pass the hole on the sealing group shell and are communicated with air flue sealing in the axle sleeve (36), the air intake pipe of front shroud group (3) is provided with air inlet nozzle, its air inlet nozzle adopts flexible pipe or hard tube to be communicated with the mouth of bleeding (33), the wall of casing group (1) is made of lagging casing (11) and insulation filler (12), and insulation filler (12) is positioned at the moist closet that lagging casing constitutes.
2, a kind of boosting centrifugal blower of carrying heating gas according to claim 1 is characterized in that: the space between auxiliary blade (31) in the impeller sets (2) and casing group (1) inwall constitutes negative pressure chamber.
3, a kind of boosting centrifugal blower of carrying heating gas according to claim 1 is characterized in that: impeller sets (2) and sealing group (7) adopt ferrous metal or non-ferrous metal or alloyed steel or ceramic material.
4, according to claim 1 or 3 described a kind of boosting centrifugal blowers of carrying heating gas, it is characterized in that: being shaped as of impeller sets (2) is various centrifugal, being shaped as rectangle or circle or taper and being complementary with casing group (1), main shaft (10) of sealing group (7).
5, a kind of boosting centrifugal blower of carrying heating gas according to claim 1 is characterized in that: the impeller in the impeller sets (2) is semi-open type or full-open type radial blade structure.
6, a kind of boosting centrifugal blower encapsulating method of carrying heating gas, it is characterized in that: the auxiliary blade that utilizes blade back in the impeller sets, main shaft and blower fan rear side junction point form negative pressure when making the impeller sets running, prevent gas leakage, utilize the negative pressure of boosting centrifugal blower intake grill, remaining coal gas in the sealing group is taken out to the greatest extent to the blower fan air duct by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105171 CN1100211C (en) | 2000-04-13 | 2000-04-13 | Boosting centrifugal blower for delivering hot gas and its sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00105171 CN1100211C (en) | 2000-04-13 | 2000-04-13 | Boosting centrifugal blower for delivering hot gas and its sealing method |
Publications (2)
| Publication Number | Publication Date |
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| CN1279359A true CN1279359A (en) | 2001-01-10 |
| CN1100211C CN1100211C (en) | 2003-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 00105171 Expired - Lifetime CN1100211C (en) | 2000-04-13 | 2000-04-13 | Boosting centrifugal blower for delivering hot gas and its sealing method |
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| CN (1) | CN1100211C (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818746A (en) * | 2009-02-27 | 2010-09-01 | 德昌电机(深圳)有限公司 | Premixing boiler fan |
| CN101922469A (en) * | 2010-03-24 | 2010-12-22 | 南通大通宝富风机有限公司 | Centrifuged fan |
| CN102562646A (en) * | 2012-02-24 | 2012-07-11 | 杭州余杭特种风机有限公司 | Hot-gas high-pressure centrifugal blower and sealing method thereof |
| CN102954011A (en) * | 2011-08-19 | 2013-03-06 | 上海通用风机股份有限公司 | D-type coupling driving-belt high-strength integral pedestal fan |
| CN103850985A (en) * | 2014-03-20 | 2014-06-11 | 合肥通用机械研究院 | Fan adopting shell heat tracing and sealed buffer gas heating |
| CN105090126A (en) * | 2014-05-15 | 2015-11-25 | 苏州维益流体科技有限公司 | Material conveying fan for coal material treatment |
| CN105298875A (en) * | 2015-11-10 | 2016-02-03 | 济南金钟电子衡器股份有限公司 | Symmetric interchange structure circulation draught fan |
| CN105386995A (en) * | 2015-11-26 | 2016-03-09 | 安徽六国化工股份有限公司 | High-pressure centrifugal fan capable of reducing wind leakage amount |
| CN107906024A (en) * | 2017-11-06 | 2018-04-13 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
| CN106015105B (en) * | 2016-07-08 | 2018-07-13 | 上海通用风机股份有限公司 | A kind of heat preservation wind turbine and its installation method |
| CN108825559A (en) * | 2018-06-26 | 2018-11-16 | 安徽悦达环保科技有限公司 | A kind of blower with filtration, purification function |
| WO2020019143A1 (en) * | 2018-07-23 | 2020-01-30 | 深圳市能源环保有限公司 | Odor-resistant sealing device of centrifugal fan of waste incineration power plant |
| CN111550419A (en) * | 2020-05-15 | 2020-08-18 | 杭州余杭特种风机有限公司 | High-sealing coal gas pressurizing centrifugal blower |
| CN113279979A (en) * | 2021-06-09 | 2021-08-20 | 金通灵科技集团股份有限公司 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
| CN117145785A (en) * | 2023-11-01 | 2023-12-01 | 江苏泰隆风机制造有限公司 | High-temperature explosion-proof leakage-free centrifugal fan |
-
2000
- 2000-04-13 CN CN 00105171 patent/CN1100211C/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818746B (en) * | 2009-02-27 | 2015-07-15 | 德昌电机(深圳)有限公司 | Premixing boiler fan |
| CN101818746A (en) * | 2009-02-27 | 2010-09-01 | 德昌电机(深圳)有限公司 | Premixing boiler fan |
| CN101922469A (en) * | 2010-03-24 | 2010-12-22 | 南通大通宝富风机有限公司 | Centrifuged fan |
| CN102954011A (en) * | 2011-08-19 | 2013-03-06 | 上海通用风机股份有限公司 | D-type coupling driving-belt high-strength integral pedestal fan |
| CN102562646A (en) * | 2012-02-24 | 2012-07-11 | 杭州余杭特种风机有限公司 | Hot-gas high-pressure centrifugal blower and sealing method thereof |
| CN103850985A (en) * | 2014-03-20 | 2014-06-11 | 合肥通用机械研究院 | Fan adopting shell heat tracing and sealed buffer gas heating |
| CN103850985B (en) * | 2014-03-20 | 2016-08-17 | 合肥通用机械研究院 | A kind of blower fan using casing heat tracing and sealing cushion gas heating |
| CN105090126A (en) * | 2014-05-15 | 2015-11-25 | 苏州维益流体科技有限公司 | Material conveying fan for coal material treatment |
| CN105298875B (en) * | 2015-11-10 | 2018-03-09 | 山东金钟科技集团股份有限公司 | A kind of symmetrical interchange structure circulating fan |
| CN105298875A (en) * | 2015-11-10 | 2016-02-03 | 济南金钟电子衡器股份有限公司 | Symmetric interchange structure circulation draught fan |
| CN105386995A (en) * | 2015-11-26 | 2016-03-09 | 安徽六国化工股份有限公司 | High-pressure centrifugal fan capable of reducing wind leakage amount |
| CN106015105B (en) * | 2016-07-08 | 2018-07-13 | 上海通用风机股份有限公司 | A kind of heat preservation wind turbine and its installation method |
| CN107906024A (en) * | 2017-11-06 | 2018-04-13 | 江苏金通灵流体机械科技股份有限公司 | A kind of low-temperature evaporation 2-KLG technique directly drives vapour compression machine with high temperature |
| CN108825559A (en) * | 2018-06-26 | 2018-11-16 | 安徽悦达环保科技有限公司 | A kind of blower with filtration, purification function |
| WO2020019143A1 (en) * | 2018-07-23 | 2020-01-30 | 深圳市能源环保有限公司 | Odor-resistant sealing device of centrifugal fan of waste incineration power plant |
| CN111550419A (en) * | 2020-05-15 | 2020-08-18 | 杭州余杭特种风机有限公司 | High-sealing coal gas pressurizing centrifugal blower |
| CN113279979A (en) * | 2021-06-09 | 2021-08-20 | 金通灵科技集团股份有限公司 | Steam turbine dragging direct-drive type single-stage blast device for phthalic anhydride device |
| CN117145785A (en) * | 2023-11-01 | 2023-12-01 | 江苏泰隆风机制造有限公司 | High-temperature explosion-proof leakage-free centrifugal fan |
| CN117145785B (en) * | 2023-11-01 | 2024-01-26 | 江苏泰隆风机制造有限公司 | High-temperature explosion-proof leakage-free centrifugal fan |
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| Publication number | Publication date |
|---|---|
| CN1100211C (en) | 2003-01-29 |
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Assignee: Hangzhou Yuhang Special Fan Co.,Ltd. Assignor: Ding Zhenhua Contract fulfillment period: 2008.10.28 to 2020.4.12 Contract record no.: 2009330000470 Denomination of invention: Boosting centrifugal blower for delivering hot gas and its sealing method Granted publication date: 20030129 License type: Exclusive license Record date: 20090318 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.28 TO 2020.4.12; CHANGE OF CONTRACT Name of requester: HANGZHOU YUAHNG SPECIAL FANS CO., LTD. Effective date: 20090318 |
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Granted publication date: 20030129 |
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| CX01 | Expiry of patent term |