CN2263552Y - High efficient low resistance cyclone separator - Google Patents
High efficient low resistance cyclone separator Download PDFInfo
- Publication number
- CN2263552Y CN2263552Y CN 96229673 CN96229673U CN2263552Y CN 2263552 Y CN2263552 Y CN 2263552Y CN 96229673 CN96229673 CN 96229673 CN 96229673 U CN96229673 U CN 96229673U CN 2263552 Y CN2263552 Y CN 2263552Y
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- flow
- gas
- cyclone separator
- low resistance
- utility
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Abstract
The utility model relates to a flow guiding pipe, which is composed of a shaped inlet and a flow guiding baffle plate; the flow guiding baffle plate and a cyclone top plate can keep with a certain gap; the distributing rule of the gas flow is basically in accordance with the rule that the tangential velocity of the free flow can change along the radius; the gas flow is prompted to tend to the stable circular motion, and the turbulence is weakened. Thus, the inward flow of the gas flow of the external layer being close to the cyclone wall can be prevented from being generated; the blocking dust flow is prevented from flowing to the cyclone wall, and the condition is favorable for gas-solid separation. The utility model has the characteristics of high separating efficiency, low resistance, and large operating flexibility; since higher separating property is still kept under the gas speed of the low inlet, the flow guiding pipe which has favorable wear-resisting property is particularly suitable for the purifying of the raw material gas of the gas making furnace of the small nitrogen fertilizer factory.
Description
The utility model relates to a kind of cyclone separator, is used for the continuous separation to gas-solid mixture, is specially adapted to the Gas Making Furnace for Small-Scale Fertilizer Factory raw material gas purifying.
In the prior art, the cleaner of chemical fertilizer factory's Gas-making Furnace adopts general cyclone separator, though structure is simple, but owing to can't overcome the secondary eddy current, especially the influence of eddy current on the top, so separative efficiency is very low, the obstruction and the wearing and tearing of back system's heat exchange of heat pipe and waste heat boiler occur.Because equipment inner products such as heat exchange of heat pipe waste heat boiler have a large amount of coal dusts, heat-transfer effect is reduced in addition, hear rate rises, and also the phenomenon that water circulation system can not run well can occur.
U.S. Buell company cyclone separator is to be provided with the fine powder that dust bypass channel structure makes eddy current take the top to enter other chamber, and last enters in the full air-flow that is rotated down and separates, has improved separative efficiency.But the other chamber of the easy erosion of the dust ring at top is when high dirt is dense, because other cell structure complexity can not apply wear resistance lining effectively and make the erosion problem complicated.
U.S. Ying Gesuo company according to the design of bend pipe make its everywhere air velocity and the product of gas travel equate, can eliminate the principle of vertical current, the cyclone separator of special-shaped import has been proposed, cyclone separator structure with this special-shaped import is simpler, easy lining, can suppress to go up eddy current, approaching with the cyclone separator separative efficiency that has other chamber.But because air-flow enters the diffusion behind the cyclone separator, the gas velocity decay is very fast, influences separative efficiency.
The purpose of this utility model provides a kind of under hot conditions, and the separative efficiency height, resistance is low and operating flexibility is big, the novel cyclone separator that has good abrasion resistance again simultaneously.
In order to realize this purpose, the utility model provides a kind of EII type cyclone separator, and it mainly comprises the mozzle of being made up of trapezoidal import and flow apron, and flow apron center angle is 40 °～60 °, and flow apron and whirlwind top board keep certain slit e.By computer Simulation calculation and system optimization, adopt low import wind speed, the float TD reaches the optimized results that higher separative efficiency is arranged under lower resistance.
Below in conjunction with detailed description and the description of the drawings thereof, structure composition of the present utility model, operation principle and advantage thereof are done detailed introduction to implementing an embodiment of the present utility model.
The accompanying drawing of present embodiment is:
Fig. 1 is that the master of present embodiment looks generalized section.
Fig. 2 is the AA generalized section.
Fig. 3 is EII type and the contrast of Type B cyclone dust removal total efficiency curve.
From Fig. 1, shown in Figure 2, the high efficient low resistance cyclone separator shown in the present embodiment mainly is made up of trapezoidal inlet tube [1], flow apron [2], whirlwind top board [3], blast pipe [4], cylindrical shell [5], cone [6], ash bucket [7], ash discharging hole parts such as [8].
The cross section of inlet tube [1] is trapezoidal, inwall one termination at inlet tube [1] has flow apron [2], material enters the cylindrical shell [5] and the cone [6] of cyclone separator along flow apron [2] through inlet tube [1] with air-flow, constantly separate through solid phase after the cyclonic separation, surplus is discharged from ash discharging hole [8] in ash bucket [7].The gas phase of rotation is left cyclone separator through blast pipe [4].
Inlet tube [1] is trapezoidal import, the mozzle that itself and flow apron [2] are formed, and this mozzle structure imports in the cyclone body air-flow from the whirlwind import along flow apron, and its air-flow regularity of distribution meets the accurate Changing Pattern of tangential velocity along radius that freely flow substantially.Make air-flow meet V in the characteristics of motion in semi-free whirlpool district
tr
nThe rule of=constant.The n value is 0.5～0.9, impels air-flow to trend towards more stable circular motion, has weakened eddy current.The outer gas flow that can avoid like this producing near the whirlwind wall inwardly flows, and prevents to block dust stream and flows to wall, helps gas-solid and is separated.
The center angle α of flow apron [2] is 40 °～60 °, and best flow apron central angle alpha is 48 °～52 °.When center angle α＜40 °, because will reduce from the gas velocity of draft tube outlets, velocity attenuation is also fast, and the airflow layer thickening is unfavorable to separating, and separative efficiency will descend.When center angle α＞60 °, though that separative efficiency changes is little, resistance will sharply rise.
Maintain certain slit e between flow apron [2] and whirlwind top board [3], make slit e and the ratio of whirlwind inlet height a equal 0.11～0.22.At this moment it is almost constant that Δ p and outlet dust run the damage amount.But descend 8～10% than seamless Δ p, the outlet dust runs the damage amount and descends 10～17%.The trend that rise is just arranged falls in pressure behind e/a＞0.22.
Fig. 3 is EII type cyclone separator of the present utility model and the cyclone separator total efficiency curve contrast of Buell company.Abscissa is the dense c[g/m of dirt among the figure
3], ordinate is gross efficiency η [%].Wherein curve a, b are the EII types, and curve d is a Type B.Curve a is at identical flow Q, flow velocity V with d
iUnder pressure drop Δ p situation, the gross efficiency of EII type is greater than Type B as can be seen.The flow Q of curve b has only the flow 60% of curve d, the flow velocity V of curve b
iThe flow velocity 60% that has only curve d, the gross efficiency that still can find out the EII type in this case is still greater than Type B.
Adopt Ф 1200mmEII type cyclone separator of the present utility model to small fertilizer plant Ф 2400mm Gas-making Furnace dust removal process, tolerance is at 6500～18000Nm
3/ h, solid content 18.4g/m
3, after EII type cyclone separator gas solid separation, the outlet solid content is 0.15g/m
3, system's drag overall is less than 800Pa (80mmH
2O).The cyclone separator separative efficiency is 99%, cyclone separator outlet coal dust granularity＜10 μ m.
The mozzle that present embodiment adopts trapezoidal import and flow apron to form, air-flow is imported in the cyclone body from the whirlwind import, when changing curve into and flow by streamlined flow, its air-flow regularity of distribution meets the accurate Changing Pattern of tangential velocity along radius that freely flow, therefore weaken the influence of last eddy current widely, improved separative efficiency.Flow apron and whirlwind top board keep certain slit in addition, both can make whirlwind outlet dust run to decrease and reduce 10～17%, can reduce resistance 8～10% again.These structure special types are principal characters of the present utility model.
The utility model is owing to adopted the mozzle structure of forming with special-shaped import shown in the above-mentioned principal character and flow apron, just can make EII type cyclone separator of the present invention can be used for Gas-making Furnace dust pelletizing system under the high temperature low-resistance, become the lower new and effective EII type cyclone separator of resistance.
The utility model is compared with general cyclone separator, has the shadow of secondary vortex flow The little characteristics of radial distance that sound weakens, the centrifugal action of particle is strong, separate, because of This reaches the separative efficiency height, resistance is low, operating flexibility is big. And because in low import Still keep higher separating property under the gas speed, so equipment has good wearability Energy. Adopt in addition computer Simulation calculation, measurable separative efficiency not only, and Can reach again the optimization of system.
Claims (3)
1, a kind of high efficient low resistance cyclone separator, comprise inlet tube [1], blast pipe [4], cylindrical shell [5], whirlwind top board [3], it is characterized in that: the cross section of described inlet tube [1] is trapezoidal, inwall one termination at inlet tube [1] has flow apron [2], inlet tube [1] and flow apron are formed mozzle, described flow apron central angle alpha is 40 °～60 °, between flow apron [2] and whirlwind top board [3] slit e is arranged.
2, according to the described high efficient low resistance cyclone separator of claim 1, it is characterized in that: best flow apron central angle alpha is 48 °～52 °.
3, according to the described high efficient low resistance cyclone separator of claim 1, it is characterized in that: slit e/ inlet height a=0.11～0.22.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96229673 CN2263552Y (en) | 1996-04-17 | 1996-04-17 | High efficient low resistance cyclone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96229673 CN2263552Y (en) | 1996-04-17 | 1996-04-17 | High efficient low resistance cyclone separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2263552Y true CN2263552Y (en) | 1997-10-01 |
Family
ID=33907276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96229673 Expired - Lifetime CN2263552Y (en) | 1996-04-17 | 1996-04-17 | High efficient low resistance cyclone separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2263552Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7726491B2 (en) | 2002-09-19 | 2010-06-01 | Suncor Energy Inc. | Bituminous froth hydrocarbon cyclone |
| US7914670B2 (en) | 2004-01-09 | 2011-03-29 | Suncor Energy Inc. | Bituminous froth inline steam injection processing |
| US8025341B2 (en) | 2005-11-09 | 2011-09-27 | Suncor Energy Inc. | Mobile oil sands mining system |
| US8168071B2 (en) | 2005-11-09 | 2012-05-01 | Suncor Energy Inc. | Process and apparatus for treating a heavy hydrocarbon feedstock |
| CN104001630A (en) * | 2014-06-12 | 2014-08-27 | 上海化工研究院 | Low-resistance cyclone separator of coal bed gas air blower |
| US8968580B2 (en) | 2009-12-23 | 2015-03-03 | Suncor Energy Inc. | Apparatus and method for regulating flow through a pumpbox |
| US9016799B2 (en) | 2005-11-09 | 2015-04-28 | Suncor Energy, Inc. | Mobile oil sands mining system |
| CN104646193A (en) * | 2013-11-18 | 2015-05-27 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104646196A (en) * | 2015-02-16 | 2015-05-27 | 南京西普水泥工程集团有限公司 | Cyclone with resistance reduction device |
| CN108889464A (en) * | 2018-06-29 | 2018-11-27 | 德兴市龙圣碳酸钙有限公司 | A kind of novel slag removal equipment |
-
1996
- 1996-04-17 CN CN 96229673 patent/CN2263552Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7726491B2 (en) | 2002-09-19 | 2010-06-01 | Suncor Energy Inc. | Bituminous froth hydrocarbon cyclone |
| US8685210B2 (en) | 2004-01-09 | 2014-04-01 | Suncor Energy Inc. | Bituminous froth inline steam injection processing |
| US7914670B2 (en) | 2004-01-09 | 2011-03-29 | Suncor Energy Inc. | Bituminous froth inline steam injection processing |
| US8800784B2 (en) | 2005-11-09 | 2014-08-12 | Suncor Energy Inc. | System, apparatus and process for extraction of bitumen from oil sands |
| US8968579B2 (en) | 2005-11-09 | 2015-03-03 | Suncor Energy Inc. | System, apparatus and process for extraction of bitumen from oil sands |
| US8225944B2 (en) | 2005-11-09 | 2012-07-24 | Suncor Energy Inc. | System, apparatus and process for extraction of bitumen from oil sands |
| US8480908B2 (en) | 2005-11-09 | 2013-07-09 | Suncor Energy Inc. | Process, apparatus and system for treating a hydrocarbon feedstock |
| US8096425B2 (en) | 2005-11-09 | 2012-01-17 | Suncor Energy Inc. | System, apparatus and process for extraction of bitumen from oil sands |
| US8025341B2 (en) | 2005-11-09 | 2011-09-27 | Suncor Energy Inc. | Mobile oil sands mining system |
| US9016799B2 (en) | 2005-11-09 | 2015-04-28 | Suncor Energy, Inc. | Mobile oil sands mining system |
| US8168071B2 (en) | 2005-11-09 | 2012-05-01 | Suncor Energy Inc. | Process and apparatus for treating a heavy hydrocarbon feedstock |
| US8968580B2 (en) | 2009-12-23 | 2015-03-03 | Suncor Energy Inc. | Apparatus and method for regulating flow through a pumpbox |
| CN104646193A (en) * | 2013-11-18 | 2015-05-27 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104646193B (en) * | 2013-11-18 | 2017-02-15 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104001630A (en) * | 2014-06-12 | 2014-08-27 | 上海化工研究院 | Low-resistance cyclone separator of coal bed gas air blower |
| CN104646196A (en) * | 2015-02-16 | 2015-05-27 | 南京西普水泥工程集团有限公司 | Cyclone with resistance reduction device |
| CN104646196B (en) * | 2015-02-16 | 2017-04-19 | 南京西普水泥工程集团有限公司 | Cyclone with resistance reduction device |
| CN108889464A (en) * | 2018-06-29 | 2018-11-27 | 德兴市龙圣碳酸钙有限公司 | A kind of novel slag removal equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |