CN102794236A - Method and apparatus for strengthening gas-liquid swirling separation process by underflow gas leakage - Google Patents
Method and apparatus for strengthening gas-liquid swirling separation process by underflow gas leakage Download PDFInfo
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- CN102794236A CN102794236A CN201210303441XA CN201210303441A CN102794236A CN 102794236 A CN102794236 A CN 102794236A CN 201210303441X A CN201210303441X A CN 201210303441XA CN 201210303441 A CN201210303441 A CN 201210303441A CN 102794236 A CN102794236 A CN 102794236A
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Abstract
The invention relates to a method and an apparatus for strengthening a gas-liquid swirling separation process by underflow gas leakage. Provided is a method for strengthening a gas-liquid swirling separation process by the underflow gas leakage. The method comprises arranging an gas leakage pipe at the underflow port of a gas-liquid swirling separator to exhaust a portion of gas, wherein when a plurality of pipes are in parallel, the leakage pipe of each gas-liquid swirling separator are brought together to the underflow gas leakage port, and the underflow leakage gas enters subsequent sections through the underflow gas leakage port. Also provided is the apparatus for strengthening gas-liquid swirling separation process by underflow gas leakage.
Description
Technical field
The present invention relates to underflow gas leakage and strengthen the method for solution-air cyclonic separation process, specifically, is through keeping certain underflow leak rate to improve separative efficiency and the method that cuts down the consumption of energy, the invention still further relates to the used device of this method of enforcement.
Background technology
The gas cyclone device since have simple in structure, make that mounting cost is low, simple and convenient operation and maintenance, high, low, the stable performance of pressure drop of separative efficiency; And can since coming out, extensive studies and application and development have just been obtained in plurality of advantages such as harsh operating mode such as high temperature, high pressure operations steady in a long-term.In the practical application of gas cyclone device, often need the cyclone more than two be in parallel installed with; This is can make device become very huge because handle whole tolerance with a cyclone; And the centrifugal force field insufficient strength that the large scale cyclone is produced does not reach needed separative efficiency.Under ideal conditions, the performance of parallelly connected cyclone group is the linear superposition of single cyclone, and promptly separation accuracy is identical with single cyclone, and disposal ability is the disposal ability sum of every cyclone.Yet under low pressure drop, the pressure drop of especially little cyclone is lower than 50mmH
2Under the situation of O, this linear relationship is difficult to obtain in actual cyclonic separation engineering.The main cause that causes this situation is that parallelly connected cyclone group possibly exist a bad distribution in rapid flow field; Some omitted probable discharge wretched insufficiencies; Other omitted then probable discharge are superfluous; This pressure drop that will cause a large amount of cyclones is not all in its efficacious workaround; Seriously reduce the performance of cyclone group, and further bring out " gas blowby " and " gas leakage " phenomenon of the following stated, thereby the interior flow field and the separative efficiency of cyclone produced more far-reaching influence.
So-called gas-blowing phenomenon, the reason of its generation are gas cyclone device underflow opening space outerpace pressure when being higher than underflow opening place pressure, and gas is via the phenomenon of underflow opening to the inner anti-channeling of cyclone.Gas blowby is significant to gas cyclone device Effect on Performance; If this part gas blowby is not control effectively; It can be carried the solid particle or the liquid particles of having discharged from underflow opening secretly and get into cyclone inside again; Because this part particle is effectively to be separated by cyclone, back-mixing will inevitably cause the reduction of separative efficiency again.In addition; This part gas blowby also can cause cyclone internal gas flow flow field disorderly; Weaken tangential gas flow, and the stability of the interior eddy flow of heavy damage, the effective length of shortening cyclone separated space; It should be noted that gas-blowing phenomenon also can cause the rising of cyclone pressure drop, so gas-blowing phenomenon has stronger harmfulness.
Just can influence separating property when reaching much about air leak amount, at present the foreign scholar think when air leak amount less than total tolerance 2% or 3% the time, can't cause the obvious decline of separating property.Under identical air leak amount, liquid leg diameter gas blowby speed more hour is high more, and is also serious more to the influence of separative efficiency.Therefore, guarantee that effectively the sealing at underflow opening place and the diameter that the liquid leg rationally is set become the key that influences gas cyclone device separating property.
The reason that gas leak phenomenon produces is opposite with gas-blowing phenomenon just, and when promptly gas cyclone device underflow opening place pressure was higher than space outerpace pressure, the former gas that should get into interior eddy flow and discharge via the overfall place constantly leaked at underflow opening.Generally, gas leakage can not cause adverse effect to efficiency of hydrocyclone, and opposite small leak also can be improved the performance of gas cyclone device.Trace it to its cause, following two key factors are arranged.At first, be example with the gas-liquid cyclonic separation, gas leak phenomenon can reduce the liquid dispersion amount; Suppose that the underflow opening place seals fully, when promptly not having gas blowby and gas leak phenomenon, can be through the liquid particles that cyclone removes from constantly landing on the liquid leg inwall; Outward turning gas body also can be at the inner flow direction that changes of liquid leg; The counter-rotating back gets into the interior eddy flow of formation and discharges from overfall, because liquid leg diameter is less, gas is in so narrow space inner height turbulence; Eddy flow was escaped in the as easy as rolling off a log drop of carrying secretly on the liquid leg wall got into again, thereby had reduced separative efficiency.And when small leak occurring; The turbulent flow phenomenon is necessarily alleviated in the liquid leg; The possibility of the gas entrained drip of eddy flow reduced greatly in counter-rotating got into, and the drop that the gas leakage that moves downward is also carried secretly on the wall of limit not too easily escapes, and therefore original liquid dispersion phenomenon has received certain control.
Chinese invention patent application 201110273281.4 discloses a kind of method for arranging of vortex separation system separator; This method is installed in little cyclone separator on the spherical center tube sheet in the cavity; Adopt U-U type (or Z-Z type) connected mode between air inlet pipeline and the gas exhaust piping; And at each air inlet place baffle plate and wireway are set, make gas uniform distribution in cavity.
One piece of " developmental research of PDC type efficient cyclone pipe " paper by name that Jin Youhai, professor Shi Mingxian write; Also set forth a kind of follow-on Cyclonic separating apparatus; This equipment makes a part of gas spill from this ash bucket through in the bottom ash bucket being set, and has prevented the back-mixing of air-flow effectively; Improve separating property, had great promotional value.
But in view of the occasion in gas-liquid separation, many cyclone separator parallel connections are arranged on the tube sheet; And be built in the container, the channelling air-teturning mixed phenomenon happens occasionally, and makes the pressure drop of a large amount of cyclones not in efficacious workaround; Reduced the separating property of cyclone separator; And the method for prior art still can not address this problem effectively, and therefore, this area still presses for adopts method and apparatus novel, effective, suitable long-term operation.
Summary of the invention
The method and apparatus of solution-air cyclonic separation process is strengthened in the underflow gas leakage that the invention provides a kind of novelty; Connect the gas leakage pipe through underflow opening place and strengthen solution-air cyclonic separation process at the solution-air cyclone separator; When many cyclone pipes are connected in parallel in the container; Through keeping certain leak rate to prevent the gas blowby back-mixing, improve separating property, thereby solved the problem that exists in the prior art.
On the one hand, the invention provides the method that solution-air cyclonic separation process is strengthened in a kind of underflow gas leakage, this method comprises:
The gas leakage pipe is set to efflux portion gas at solution-air cyclone separator underflow opening place, wherein, when multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place, underflow gas leakage mouthful gets into a follow-up workshop section via underflow gas leakage.
One preferred embodiment in, be under 3% the situation, to seal under the operating mode and compare in the underflow leak rate, efflux gas contain liquid concentration by 25mg/m
3Reduce to 10mg/m
3, pressure drop is simultaneously reduced to 240Pa from 300Pa.
Another preferred embodiment in, this method also comprises: in the liquid leg of solution-air cyclone separator bottom U type liquid seal device is set.
On the other hand, the invention provides the device that solution-air cyclonic separation process is strengthened in a kind of underflow gas leakage, this device comprises:
Hydrostatic column and be arranged in solution-air cyclone separator wherein,
Wherein, said hydrostatic column comprises: air inlet, clean gas outlet, tube sheet, underflow gas leakage mouth and leakage fluid dram;
Wherein, said solution-air cyclone separator underflow opening place is provided with gas leakage pipe to efflux portion gas, wherein, when multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place, and underflow gas leakage mouthful gets into a follow-up workshop section via underflow gas leakage.
One preferred embodiment in, in the liquid leg of solution-air cyclone separator bottom U type liquid seal device is set.
Another preferred embodiment in, along circumferentially being uniformly distributed with one or more underflows gas leakage mouthful, the quantity of said underflow gas leakage mouthful depends on the quantity of solution-air cyclone separator in the hydrostatic column at wall place, the limit of said hydrostatic column.
Another preferred embodiment in, during stringing, the solution-air cyclone of inner ring is arranged more sparsely than the solution-air cyclone of outer ring in said hydrostatic column; And the little solution-air cyclone of pressure drop comes the outer ring, to help the tolerance distributed uniform, avoids taking place the channelling back-mixing.
Description of drawings
Fig. 1 is the sketch map according to the solution-air cyclone separator of the single band gas leakage pipe of the application's a embodiment.
Fig. 2 is the multitube cyclone separation device three cavity body structure sketch mapes of prior art.
Fig. 3 is the multitube cyclone separation device two cavity body structure sketch mapes (band gas leakage pipeline) according to the application's a embodiment.
Fig. 4 is the experiment process figure according to the application embodiment 1.
Fig. 5 is the result of the test figure according to the application embodiment 1, shows the graph of relation of separative efficiency, exit gas concentration and air inflow under two kinds of operating modes.
The specific embodiment
Inventor of the present invention finds after having passed through extensive and deep research; The gas cyclone device often uses structure as shown in Figure 2 when parallel connection is used; This structure housing adopts three cavity body structures, is respectively the overflow collection chamber 21 that is positioned at housing top, the air inlet distribution cavity 22 at middle part and the fluid collection chamber 23 of bottom; This structure maximum drawback in actual use is that gas-blowing phenomenon very easily takes place to intersect in the fluid collection chamber; The reason that produces is exactly that the rapid bad distribution in flow field causes liquid leg internal pressure different; Do not isolate each other between each cyclone separator in addition; Therefore caused one or more cyclone gas leakage, all the other most of cyclones gas blowby then occurs by way of compensation, and therefore whole separating property descends greatly; Based on this; The present inventor designs and has adopted two cavity body structures, is provided with U type liquid seal device in the liquid leg bottom of each cyclone, and connects the gas leakage pipe at cyclone underflow opening place; Simultaneously underflow gas leakage is collected to underflow gas leakage mouthful place, isolated to guarantee underflow gas leakage and air inlet; And, when each single tube is installed, the perpendicularity of each parts of strict guarantee single tube and requirement with one heart; During comb, inner ring is arranged more sparsely, and the outer ring is arranged closelyer slightly; The slightly little separator tube of pressure drop comes the outer ring as far as possible; So just solve cavity flow field problem of uneven distribution, made each cyclone separator all in efficacious workaround, work, improved separating property.Based on above-mentioned discovery, the present invention is accomplished.
Technical conceive of the present invention is following:
(1) the gas leakage pipe is set at single solution-air cyclone separator underflow opening place, effluxes small part of gas;
(2) when multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place,
Underflow gas leakage is via the gas leakage mouthful follow-up workshop section of entering.
In first aspect of the present invention, provide a kind of underflow gas leakage to strengthen the method for solution-air cyclonic separation process, this method comprises:
The gas leakage pipe is set to efflux small part of gas at the underflow opening place of solution-air cyclone separator; When multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place, underflow gas leakage mouthful gets into a follow-up workshop section via gas leakage.
In the present invention, be under 3% the situation, to seal under the operating mode and compare in the underflow leak rate, efflux gas contain liquid concentration by 25mg/m
3Reduce to 10mg/m
3About, pressure drop has simultaneously also reduced by 20%.
In the present invention, simplify three cavity body structures in the multitube cyclone separation device, become two cavity body structures, reduced by a tube sheet, reduced financial cost and installation difficulty.
In the present invention, when multitube parallel, the liquid dispersion phenomenon that underflow gas leakage structure has been alleviated the underflow opening place effectively is set, has improved separating property.
In second aspect of the present invention; Provide a kind of underflow gas leakage to strengthen the device of solution-air cyclonic separation process; This device comprises: hydrostatic column and solution-air cyclone separator, and wherein, said hydrostatic column comprises: air inlet, clean gas outlet, tube sheet, underflow gas leakage mouth and leakage fluid dram; The gas leakage pipe is set to efflux small part of gas at the underflow opening place of solution-air cyclone separator; When multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place, underflow gas leakage mouthful gets into a follow-up workshop section via gas leakage.
In the present invention; Gas-liquid mixture gets into from the air inlet of hydrostatic column; Get into the solution-air cyclone separator subsequently and carry out cyclonic separation; Underflow gas leakage is necessarily managed and underflow gas leakage mouthful discharge via gas leakage under the leak rate, and purified gas is discharged from the top clean gas outlet of hydrostatic column, and the liquid of separation and collection is then discharged from leakage fluid dram.
In the present invention, can be at wall place, the limit of hydrostatic column along circumferentially being uniformly distributed with one or more underflow gas leakage mouths, its concrete quantity is decided according to the quantity of solution-air cyclone separator in the container.
In the present invention, the inner ring cyclone will be arranged more sparsely during stringing, and the outer ring cyclone can be arranged closelyer.The slightly little cyclone of pressure drop comes the outer ring as far as possible, helps the tolerance distributed uniform, to avoid the channelling back-mixing.
Below referring to accompanying drawing.
Fig. 1 is the sketch map according to the solution-air cyclone separator of the single band gas leakage pipe of the application's a embodiment.As shown in Figure 1, gas leakage pipe 8 is set at the underflow opening place of solution-air cyclone separator, and U type liquid seal device 9 is set in the liquid leg bottom of solution-air cyclone separator; Gas-liquid mixture (gas/liquid) gets into the solution-air cyclone separator and carries out cyclonic separation, and underflow gas leakage is discharged via gas leakage pipe 8, and overflow gas is discharged from solution-air cyclone separator top, and liquid is then discharged from U type liquid seal device 9.
Fig. 2 is the multitube cyclone separation device three cavity body structure sketch mapes of prior art.As shown in Figure 2, this structure housing adopts three cavity body structures, is respectively the overflow collection chamber 21 that is positioned at housing top, the air inlet distribution cavity 22 at middle part and the fluid collection chamber 23 of bottom; Gas-liquid mixture gets into from the air inlet of hydrostatic column; Get into the solution-air cyclone separator subsequently and carry out cyclonic separation; Underflow gas leakage is via underflow gas leakage mouthful discharge, and overflow gas is discharged from the top of hydrostatic column, and liquid is then discharged (collection liquid) from leakage fluid dram.
Fig. 3 is the multitube cyclone separation device two cavity body structure sketch mapes (band gas leakage pipeline) according to the application's a embodiment.As shown in Figure 3, hydrostatic column 2 comprises: air inlet 1, clean gas outlet 3, tube sheet 4, underflow gas leakage mouth 6 and leakage fluid dram 7, and be arranged in solution-air cyclone separator 5 wherein; The gas leakage pipe is set at the underflow opening place of solution-air cyclone separator, and U type liquid seal device is set in the liquid leg bottom of solution-air cyclone separator; Gas-liquid mixture gets into from the air inlet of hydrostatic column; Get into the solution-air cyclone separator subsequently and carry out cyclonic separation; Underflow gas leakage is necessarily managed and underflow gas leakage mouthful discharge via gas leakage under the leak rate; Purified gas and overflow gas are discharged from the top clean gas outlet of hydrostatic column, and the liquid of separation and collection is then discharged (collection liquid) from leakage fluid dram; Underflow gas leakage also compiles with purified gas.
Fig. 4 is the experiment process figure according to the application embodiment 1.As shown in Figure 4, air gets into blending tank 50 through Roots blower 10 by blending tank 50 bottoms, and water gets into blending tanks 50 through measuring pump 30 metering backs by the nozzle 40 of blending tank 50, and the air through compressor 20 is also by the nozzle 40 entering blending tanks 50 of blending tank 50; Get into the blending tank 60 of built-in atomizer 70 through blending tank 50 mixed mixtures, add secondary waters to blending tank 60 simultaneously; Get into solution-air cyclone separator 5 through blending tank 60 mixed mixtures through the pipeline of controlling and be provided with thief hatch by bypass valve 80 and U-type differential manometer 90; The gas leakage pipe is set at the underflow opening place of solution-air cyclone separator, and U type liquid seal device is set in the liquid leg bottom of solution-air cyclone separator; Gas-liquid mixture gets into the solution-air cyclone separator and carries out cyclonic separation, and underflow gas leakage is discharged via the gas leakage pipe, and air is discharged from solution-air cyclone separator top, and water is then discharged from U type liquid seal device.
Major advantage of the present invention is:
The present invention connects the gas leakage pipe through the underflow opening place at the solution-air cyclone separator and strengthens solution-air cyclonic separation process; When many cyclone pipes are connected in parallel in the container; Through keeping certain leak rate to prevent the gas blowby back-mixing, improve separative efficiency, and reduce the energy consumption of solution-air cyclonic separation process; Method of the present invention has also been optimized the traditional structure of multitube cyclone separation device, and underflow gas leakage can get into the gas leakage pipeline and get into follow-up workshop section via underflow gas leakage mouth; The harm that this method had both prevented gas-blowing phenomenon to bring uses gas leak phenomenon to improve the separating property of solution-air cyclone separator again.
Embodiment
Further set forth the present invention below in conjunction with concrete embodiment.But, should be understood that these embodiment only are used to the present invention is described and do not constitute limitation of the scope of the invention.The test method of unreceipted actual conditions in the following example, usually according to normal condition, or the condition of advising according to manufacturer.Except as otherwise noted, all percentage and umber are by weight.
Embodiment 1:
The applicant, Shanghai Hua Chang Environmental Protection Equipment Development Co., Ltd uses underflow gas leakage of the present invention to strengthen the method and apparatus research experiment of solution-air cyclonic separation process.
Technological process:
As shown in Figure 4.
Embodiment:
The solution-airmixture for preparing in the test gets into the solution-air cyclone separator and carries out cyclonic separation, and cyclone underflow opening place connects the gas leakage pipe, is used for cyclone is derived in underflow gas leakage, adopts gravimetric method to calculate separative efficiency, and the U-shaped differential manometer is measured the pressure drop energy consumption.Because adopting source of the gas in the test is atmosphere, directly emptying of underflow gas leakage during commercial Application, needs this part gas circulation to the cyclone inlets place.
The HL/G75 type separating cyclone tube of applicant's independent development is adopted in this test, and following table 1 is some physical parameters of the gas-liquid mixed media of preparation in the experiment:
Table 1
| Project | | Parameter | Remarks | |
| 1 | Treatment media | Gas-liquid mixture | Air, water | |
| 2 | Media density | 1.25kg/ |
||
| 3 | WATER AS FLOW MEDIUM content | 0.5g/m 3 | ||
| 4 | Operating temperature | |
||
| 5 | Operating pressure | 32mmH 2O | ||
| 6 | The drop average grain diameter | 7μm |
Result of the test:
Result of the test is as shown in Figure 5, Fig. 5 show the separative efficiency, exit gas concentration and the air inflow that are respectively HL/G75 type solution-air cyclone separator under two kinds of operating modes the relativity curve map.Visible by Fig. 5, seal under the operating mode and compare, under the situation that underflow suitably leaks gas, the separating property of cyclone separator has had significant raising, simultaneously, has also reduced the energy consumption of cyclone separator, and various inlet amount downforce is fallen all and is decreased; When the underflow leak rate is 3%, air inflow is at 32m
3In the time of between/the h, separative efficiency is the highest, can reach 98%, is higher than 95% under the underflow sealing operating mode; Under this kind operating mode, record and contain liquid concentration in the gas that overfall discharges and be merely 10mg/m
3, also be lower than the 25mg/m under the underflow sealing operating mode
3The pressure of air inlet and overfall falls also and is reduced to 240Pa by the 300Pa under the sealing operating mode, has reduced by 20%.
In that a plurality of solution-air cyclone separators are in parallel when using, the underflow gas leakage of each solution-air cyclone separator can be collected to underflow gas leakage mouthful place, isolated to guarantee underflow gas leakage and air inlet, underflow gas leakage mouthful gets into a follow-up workshop section via underflow gas leakage.The harm that this inventive method had both prevented gas-blowing phenomenon to bring uses gas leak phenomenon to improve the separating property of solution-air cyclone separator again.Therefore, this test is used for the industrialization promotion of the application's method and apparatus reliable achievement in research is provided.
All documents in that the present invention mentions are all quoted as a reference in this application, are just quoted such as a reference separately as each piece document.Should be understood that in addition after having read above-mentioned teachings of the present invention, those skilled in the art can do various changes or modification to the present invention, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (7)
1. a underflow leaks gas and strengthens the method for solution-air cyclonic separation process, and this method comprises:
The gas leakage pipe is set to efflux portion gas at solution-air cyclone separator underflow opening place, wherein, when multitube parallel, the gas leakage pipe of each solution-air cyclone separator is collected to underflow gas leakage mouthful place, underflow gas leakage mouthful gets into a follow-up workshop section via underflow gas leakage.
2. the method for claim 1 is characterized in that, in the underflow leak rate be under 3% the situation, to seal under the operating mode and compare, efflux gas contain liquid concentration by 25mg/m
3Reduce to 10mg/m
3, pressure drop is simultaneously reduced to 240Pa from 300Pa.
3. the method for claim 1 is characterized in that, this method also comprises: the liquid leg bottom at the solution-air cyclone separator is provided with U type liquid seal device.
4. a underflow leaks gas and strengthens the device of solution-air cyclonic separation process, and this device comprises:
Hydrostatic column (2) and be arranged in solution-air cyclone separator (5) wherein,
Wherein, said hydrostatic column (2) comprising: air inlet (1), clean gas outlet (3), tube sheet (4), underflow gas leakage mouthful (6) and leakage fluid dram (7);
Wherein, Said solution-air cyclone separator (5) underflow opening place is provided with gas leakage pipe (8) to efflux portion gas; Wherein, When multitube parallel, the gas leakage pipe (8) of each solution-air cyclone separator (5) is collected to underflow gas leakage mouthful (6) locates, underflow gas leakage gets into follow-up workshop section via underflow gas leakage mouthful (6).
5. device as claimed in claim 4 is characterized in that, in the liquid leg bottom of solution-air cyclone separator (5) U type liquid seal device (9) is set.
6. device as claimed in claim 4; It is characterized in that; Wall place, limit at said hydrostatic column (2) leaks gas mouthful (6) along circumferentially being uniformly distributed with one or more underflows, and the quantity of said underflow gas leakage mouth depends on the quantity of solution-air cyclone separator (5) in the hydrostatic column.
7. device as claimed in claim 4 is characterized in that, during stringing, the solution-air cyclone (5) of inner ring is arranged more sparsely than the solution-air cyclone (5) of outer ring in said hydrostatic column (2); And the little solution-air cyclone (5) of pressure drop comes the outer ring, to help the tolerance distributed uniform, avoids taking place the channelling back-mixing.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903580A (en) * | 2016-04-27 | 2016-08-31 | 北京源诚工业安全技术有限公司 | Micro cyclone separator with double-side air inlet function and high-pressure separation device adopting separator |
| CN110243147A (en) * | 2019-06-24 | 2019-09-17 | 上海华畅环保设备发展有限公司 | Chemical fertilizer drying means and device |
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| JP2002373700A (en) * | 2001-06-15 | 2002-12-26 | Kojima Press Co Ltd | Gas/liquid separator for fuel cell |
| CN1974024A (en) * | 2006-12-29 | 2007-06-06 | 中国石油大学(华东) | Cascade cyclone separator |
| CN200981028Y (en) * | 2006-11-08 | 2007-11-28 | 黄硕 | Double eccentric multiple tubes swirling high-efficient separator |
| CN201055814Y (en) * | 2007-05-29 | 2008-05-07 | 中国石油天然气股份有限公司 | Cyclone gas-liquid separator with automatic oil-gas discharge function |
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| DE4021094A1 (en) * | 1990-07-03 | 1992-01-16 | Trema Verfahrenstechnik Gmbh | Sepn. of dust from air current - involves chamber and fan suction sides are connected to two outlet pipes |
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| CN200981028Y (en) * | 2006-11-08 | 2007-11-28 | 黄硕 | Double eccentric multiple tubes swirling high-efficient separator |
| CN1974024A (en) * | 2006-12-29 | 2007-06-06 | 中国石油大学(华东) | Cascade cyclone separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105903580A (en) * | 2016-04-27 | 2016-08-31 | 北京源诚工业安全技术有限公司 | Micro cyclone separator with double-side air inlet function and high-pressure separation device adopting separator |
| CN110243147A (en) * | 2019-06-24 | 2019-09-17 | 上海华畅环保设备发展有限公司 | Chemical fertilizer drying means and device |
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| CN102794236B (en) | 2015-12-09 |
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