CN101565126A - Rotor blockage-preventing device of high-temperature pressure-resistant star-shaped feeding machine - Google Patents
Rotor blockage-preventing device of high-temperature pressure-resistant star-shaped feeding machine Download PDFInfo
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- CN101565126A CN101565126A CN 200910084479 CN200910084479A CN101565126A CN 101565126 A CN101565126 A CN 101565126A CN 200910084479 CN200910084479 CN 200910084479 CN 200910084479 A CN200910084479 A CN 200910084479A CN 101565126 A CN101565126 A CN 101565126A
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Abstract
The invention provides a rotor blockage-preventing device of a high-temperature pressure-resistant star-shaped feeding machine, which is characterized by utilizing a clearance auto compensation mechanism to resolve the problem of rotor blockage of the feeding machine. The clearance auto compensation mechanism comprises a stator 1, a rotor 2, a floating body 3, an upper spring 4, a connection shaft 5, a lower spring 6 and an upper cover 7. The rotor blockage-preventing device can prolong the service cycle of shaft end sealing and prevent rotor blockage.
Description
Technical field
The invention belongs to powdery (graininess) material strength transportation art, particularly a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder.
Background technology
Power industry boiler bottom slag (dried slag) granularity after process steel band conveyor and the fragmentation of secondary slag crusher is controlled in the 5mm, is transported to the surge bunker that is arranged at the furnace side, is delivered in the slag storehouse that is arranged at far-end by air-transport system then; Big and flowing power is relatively poor because of surmising of slag, enter slag in the pipeline and can cause difficulty of transportation when too much when instantaneous, therefore the discharging opening (delivery duct inlet) at feedway is provided with star feeder to realize even feeding, the medium operating temperature is 300 degree, instantaneous 350 degree that reach of HI high impact temperature, the pressure medium maximum can be to 0.6MPa, and star feeder is the key equipment that unloads the ash part in the dry dust collecting process of the blast furnace gas system, require even discharging, former machine mostly is foundry goods, and weight is big, by rotor blade groove discharging is sent in the dust transfer, rotor is with the material rotation for a long time, makes work under the motor heavy lift, and the foreign matter stuck phenomenon is arranged, burn-out motor, and leak tightness is poor, and as shown in Figure 2, the feeder stator 1 and the rotor 2 of prior art are determining deviation, the gap is non-adjustable, when the larger particles material entered the gap, feeder can block, and caused system to stop transport.
Summary of the invention
The object of the present invention is to provide a kind of long-time normal operation that guarantees feeder, prolong the rotor blockage-preventing device of the high-temperature pressure-proof star-type feeder in feeder service life.
The present invention proposes a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder, it is characterized in that utilizing clearance automatic compensation mechanism to solve the stifled problem of feeder rotor card, described clearance automatic compensation mechanism comprises stator, rotor, buoyancy body, upper spring, adapter shaft, lower spring, loam cake and sealing nut etc., loam cake and stator adopt Bolt Connection, buoyancy body and loam cake adopt bearing fit, and pass through adapter shaft, upper spring, lower spring connects with stator, adopt no gap to cooperate between buoyancy body and the rotor, and employing spring suspension, described buoyancy body be shaped as two hollow cylinders space multistory intersect vertically and form non-standard abnormally-structured, the inlet point of described buoyancy body is circular, discharging opening is the open circles flute profile and cooperates with the cylindrical of described rotor, described upper spring and lower spring adopt cylindrical helical compression spring, be provided with the suspension upper spring in the bottom of described stator, adapter shaft, the ear seat of lower spring, ear seat bottom is furnished with sealing nut, when the bulky grain medium enters in the gap, upper spring is compressed, lower spring was unfolded this moment by precompressed amount originally, gap increase between buoyancy body and rotor, after the bulky grain medium passes through the gap, buoyancy body return under the application force of upper spring and lower spring, make buoyancy body be in suspended state all the time, thereby guarantee the feeder normal operation.
Wherein, described rotor is drum shape cavity body, and its periphery has a plurality of blades, and rotor has material channel by the center relative position, and rotor cavity body two ends have double-type end cap.
Wherein, described buoyancy body adopts the HT200 material, and described upper spring and lower spring adopt the 50CrVA material, and described stator adopts the HT200 material, and described rotor adopts the ZG200-400 material.
Beneficial effect of the present invention is:
The stator of the rotor blockage-preventing device of high-temperature pressure-proof star-type feeder of the present invention and rotor spacing adopt clearance automatic compensation mechanism, when foreign matter enters the gap, the gap can be amplified automatically, when foreign matter passage period crack can diminish automatically, thereby can guarantee the long-time normal operation of feeder.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the star-shaped feeding machine of prior art;
Fig. 2 is the structural representation of the clearance automatic compensation mechanism of high-temperature pressure-proof star-type feeder rotor blockage-preventing device;
Wherein, 1-stator, 2-rotor, 3-buoyancy body, 4-upper spring, 5-adapter shaft, 6-lower spring, 7-loam cake, 8-sealing nut, 9-ear seat.
The specific embodiment
Fig. 1 is clearance automatic compensation mechanism structure figure, and spring device (upper spring 4, adapter shaft 5, lower spring 6) is fixed on the stator 1, and buoyancy body 3 hangs on the spring device, and rotor 2 adopts no gap to cooperate with buoyancy body 3.Described clearance automatic compensation mechanism comprises stator 1, rotor 2, buoyancy body 3, upper spring 4, adapter shaft 5, lower spring 6 and loam cake 7 and sealing nut 8 etc.Loam cake 7 adopts Bolt Connection with stator 1, buoyancy body 3 adopts bearing fit with loam cake 1, and by adapter shaft 5, upper spring 4, lower spring 5 connects with stator 1, adopt no gap to cooperate between buoyancy body 3 and the rotor 2, and employing spring suspension, described rotor 2 is drum shape cavity body, its periphery has a plurality of blades, rotor 2 has material channel by the center relative position, rotor 2 cavity body two ends have double-type end cap, buoyancy body 3 be shaped as two hollow cylinders space multistory intersect vertically and form non-standard abnormally-structured, its import is circular, outlet cooperates for the open circles flute profile and with rotor 2 cylindricals, adopts HT200 to make.Upper spring 4 adopts cylindroid helical-coil compression spring with lower spring 6, and material adopts 50CrVA.Stator 1 adopts HT200 to make, the bottom is provided with the ear seat 9 of special suspension upper spring 4, adapter shaft 5, lower spring 6 therein, ear seat 9 bottoms are furnished with sealing nut 8, when the bulky grain medium enters in the gap, upper spring 4 is compressed, lower spring 6 was unfolded this moment by precompressed amount originally, gap increase between buoyancy body and rotor, after the bulky grain medium passes through the gap, buoyancy body return under the application force of upper spring 4 and lower spring 6, make buoyancy body be in suspended state all the time, thereby guarantee the feeder normal operation.
In the defeated slag system of strength, adopt the feeder inlet of this device to be installed on the outlet of transfer pot, delivery duct is installed in outlet down, furnace bottom slag temperature is 300 ℃ in the actual measurement transfer pot, HI high impact temperature is 350 ℃, and the slag the largest particles is 5mm, and carrying the pressurized air maximum pressure is 0.6MPa, rotor speed frequency conversion between 30rpm to 46rpm is adjustable, and effect is better.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (3)
1, a kind of rotor blockage-preventing device of high-temperature pressure-proof star-type feeder, it is characterized in that utilizing clearance automatic compensation mechanism to solve the stifled problem of feeder rotor card, described clearance automatic compensation mechanism comprises stator 1, rotor 2, buoyancy body 3, upper spring 4, adapter shaft 5, lower spring 6, loam cake 7 and sealing nut 8 etc., loam cake 7 adopts Bolt Connection with stator 1, buoyancy body 3 adopts bearing fit with loam cake 1, and by adapter shaft 5, upper spring 4, lower spring 5 connects with stator 1, adopt no gap to cooperate between buoyancy body 3 and the rotor 2, and employing spring suspension, described buoyancy body 3 be shaped as two hollow cylinders space multistory intersect vertically and form non-standard abnormally-structured, the inlet point of described buoyancy body is circular, discharging opening is the open circles flute profile and cooperates with the cylindrical of described rotor 2, described upper spring 4 and lower spring 6 adopt cylindrical helical compression spring, be provided with suspension upper spring 4 in the bottom of described stator 1, adapter shaft 5, the ear seat 9 of lower spring 6, ear seat 9 bottoms are furnished with sealing nut 8, when the bulky grain medium enters in the gap, upper spring 4 is compressed, lower spring 6 was unfolded this moment by precompressed amount originally, gap increase between buoyancy body and rotor, after the bulky grain medium passes through the gap, buoyancy body return under the application force of upper spring 4 and lower spring 6, make buoyancy body be in suspended state all the time, thereby guarantee the feeder normal operation.
2, device as claimed in claim 1 is characterized in that described rotor 2 is drum shape cavity body, and its periphery has a plurality of blades, and rotor 2 has material channel by the center relative position, and rotor 2 cavity body two ends have double-type end cap.
3, device as claimed in claim 2, it is characterized in that described buoyancy body 3 adopts the HT200 material, described upper spring 4 and lower spring 6 adopt the 50CrVA material, and described stator 1 adopts the HT200 material, and described rotor 2 adopts the ZG200-400 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910084479 CN101565126B (en) | 2009-05-19 | 2009-05-19 | Rotor blockage-preventing device of high-temperature pressure-resistant star-shaped feeding machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910084479 CN101565126B (en) | 2009-05-19 | 2009-05-19 | Rotor blockage-preventing device of high-temperature pressure-resistant star-shaped feeding machine |
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| CN101565126A true CN101565126A (en) | 2009-10-28 |
| CN101565126B CN101565126B (en) | 2013-09-11 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858589A (en) * | 2010-06-23 | 2010-10-13 | 伟明环保设备有限公司 | Biomass fuel boiler |
| CN102951453A (en) * | 2012-10-26 | 2013-03-06 | 沈阳工业大学 | Conveying device for carbon fibres for spray forming |
| CN103771092A (en) * | 2014-01-13 | 2014-05-07 | 大连理工大学 | Anti-blocking star-shaped discharging device |
| CN103861737A (en) * | 2014-03-26 | 2014-06-18 | 长沙矿冶研究院有限责任公司 | Feeding device for pulverized coal ash electric separator |
| CN106185336A (en) * | 2016-07-18 | 2016-12-07 | 上海城投污水处理有限公司 | Pneumatic ash conveying plant in a kind of sludge incineration technique and control method thereof |
| CN106944212A (en) * | 2017-04-28 | 2017-07-14 | 防城港市质量技术监督局 | Meat grinder with anti-jamming function |
| CN106946039A (en) * | 2017-04-22 | 2017-07-14 | 济南恒川机械有限公司 | A kind of tobacco production line feeding end blanking gas lock |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073407U (en) * | 1989-08-28 | 1991-03-20 | 徐水桥 | Air shutter being able to yield automaticlly and adjust clearance followly |
| CN2863727Y (en) * | 2005-11-14 | 2007-01-31 | 靖江华泰机械制造有限公司 | Impeller material feeder |
-
2009
- 2009-05-19 CN CN 200910084479 patent/CN101565126B/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858589A (en) * | 2010-06-23 | 2010-10-13 | 伟明环保设备有限公司 | Biomass fuel boiler |
| CN102951453A (en) * | 2012-10-26 | 2013-03-06 | 沈阳工业大学 | Conveying device for carbon fibres for spray forming |
| CN102951453B (en) * | 2012-10-26 | 2016-01-20 | 沈阳工业大学 | A kind of reaction-injection moulding carbon fiber feedway |
| CN103771092A (en) * | 2014-01-13 | 2014-05-07 | 大连理工大学 | Anti-blocking star-shaped discharging device |
| CN103861737A (en) * | 2014-03-26 | 2014-06-18 | 长沙矿冶研究院有限责任公司 | Feeding device for pulverized coal ash electric separator |
| CN106185336A (en) * | 2016-07-18 | 2016-12-07 | 上海城投污水处理有限公司 | Pneumatic ash conveying plant in a kind of sludge incineration technique and control method thereof |
| CN106185336B (en) * | 2016-07-18 | 2018-07-27 | 上海城投污水处理有限公司 | A kind of pneumatic ash conveying plant in sludge incineration technique and its control method |
| CN106946039A (en) * | 2017-04-22 | 2017-07-14 | 济南恒川机械有限公司 | A kind of tobacco production line feeding end blanking gas lock |
| CN106946039B (en) * | 2017-04-22 | 2022-07-15 | 济南恒川机械有限公司 | Tobacco production line pan feeding end blanking airlock |
| CN106944212A (en) * | 2017-04-28 | 2017-07-14 | 防城港市质量技术监督局 | Meat grinder with anti-jamming function |
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|---|---|
| CN101565126B (en) | 2013-09-11 |
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