CN103785549A - Cyclone separator - Google Patents
Cyclone separator Download PDFInfo
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- CN103785549A CN103785549A CN201210420665.9A CN201210420665A CN103785549A CN 103785549 A CN103785549 A CN 103785549A CN 201210420665 A CN201210420665 A CN 201210420665A CN 103785549 A CN103785549 A CN 103785549A
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Abstract
The invention provides a cyclone separator. The cyclone separator comprises: a vacuum component comprising an inner cylinder and an outer cylinder arranged outside the inner cylinder, wherein a closed vacuum chamber is formed between the inner cylinder and the outer cylinder, and the dimension of the upper portion of the inner cavity of the inner cylinder is greater than the lower dimension of the lower portion of the inner cavity; an inlet component connected with the upper portion of the inner cylinder and used for inputting a coal gas for separation into the inner cavity; a gas outlet component connected with the top or the upper portion of the inner cavity of the inner cylinder and used for outputting the above obtained separated coal gas; and an ash component connected with the lower portion of the inner cavity of the inner cylinder and used for discharging the above obtained separated coal ash. The cyclone separator obtained by adopting the above technical scheme adopts the vacuum component having a double layer structure, and the vacuum cavity has a good heat insulation effect, so heat insulation can be realized without building firebricks or pouring materials or mounting a heat insulation layer, and the subsequent maintenance of the cyclone separator is convenient.
Description
Technical field
The present invention relates to mechanical technique, relate in particular to a kind of cyclone separator.
Background technology
Cyclone separator is that in a kind of conventional separation gas fluid, solid particle dust is with the process equipment of Purge gas, and cyclone separator utilizes rotatablely moving of Dual-Phrase Distribution of Gas olid body, and the solid particle dust in fluid is separated under centrifugal action from air-flow.
Coal Chemical Industry in producing conventionally with coal gasifier by solid coal combustion oxidation to convert coal gas to, and then adjust according to actual needs the composition of coal gas, to make needed chemical products.In the process of manufacture coal gas, due to coal, in the time burning, coal cinder can be cracked, so conventionally can carry a large amount of coal dusts in coal gas secretly.For purifying coal gas, in coal gasifier exit, cyclone separator need be installed, to coal dust is separated from coal gas, for subsequent handling creates favorable conditions.
Fig. 1 is the cyclone separator structure schematic diagram using in prior art.Existing cyclone separator comprises separation body 100, separates body 100 and has inner chamber.For guaranteeing to separate the wear-resisting and heat-insulating property of body, need on the internal chamber wall that separates body 100, build refractory brick 101 or castable, and add heat-insulation layer 102 in the outside that separates body.
In prior art, realize insulation by building refractory brick or castable and adding heat-insulation layer, the method complicated construction technique, also makes cyclone separator maintenance difficulty.
Summary of the invention
The invention provides a kind of cyclone separator, for optimizing the structure of existing cyclone separator.
The invention provides a kind of cyclone separator, wherein, comprising:
Vacuum subassembly, comprises inner core and the urceolus that is arranged on described inner core outside, forms the vacuum cavity of sealing between described inner core and urceolus, and wherein, the inner chamber upper dimension of described inner core is greater than lower dimension;
Intake assembly, is communicated with the top of described interior tube inner chamber, for inputting coal gas to be separated to described inner chamber;
Go out pneumatic module, be communicated with top or the top of described interior tube inner chamber, for exporting the coal gas after separation;
Ash discharge assembly, is communicated with the bottom of described interior tube inner chamber, for discharging the coal ash after separation.
Cyclone separator as above, preferably,
The form fit of described inner core and described urceolus, all comprises the cylinder top, the first cylindrical drum, taper cone barrel and the second cylindrical drum that connect in turn,, is tightly connected at the cylinder end of two described the second cylindrical drum.
Cyclone separator as above, preferably, described intake assembly comprises:
Inlet tube, is communicated with the top of described interior tube inner chamber;
The first flange, is fixed on the side of described inlet tube away from described inner core.
Cyclone separator as above, preferably, described in go out pneumatic module and comprise:
Escape pipe, is communicated with top or the top of described interior tube inner chamber, and extend in the inner chamber of described inner core;
The second flange, is fixed on the side of described escape pipe away from described inner core.
Cyclone separator as above, preferably, described ash discharge assembly comprises:
Ash releasing tube, is communicated with the bottom of described interior tube inner chamber;
Three-flange, is fixed on the side of described ash releasing tube away from described inner core;
Locating ring, is fixed on the side of described three-flange towards described inner core, and described locating ring is for locating and seal the cylinder end of two described the second cylindrical drum.
Cyclone separator as above, preferably,
The top of described urceolus is provided with vacuum valve.
Cyclone separator as above, preferably,
The inner surface of described inner core and the surfaces externally and internally of described escape pipe are coated with high temperature resistant wearing course;
The outer surface of described inner core and the inner surface of described urceolus are coated with high temperature resistant heat insulation layer;
The outer surface of described urceolus is coated with anti-rotten thermal insulation layer.
Cyclone separator as above, preferably,
In described vacuum cavity, be provided with centring ring.
The cyclone separator that technique scheme provides, adopt double-deck vacuum subassembly, vacuum cavity can play good thermal insulation function, makes to realize insulation without building refractory brick or castable again and adding heat-insulation layer, also makes the follow-up cyclone separator of being convenient to maintain.
Accompanying drawing explanation
Fig. 1 is the cyclone separator structure schematic diagram using in prior art;
The cyclone separator structure schematic diagram that Fig. 2 provides for the embodiment of the present invention.
The specific embodiment
The cyclone separator structure schematic diagram that Fig. 2 provides for the embodiment of the present invention.
Referring to Fig. 2, the embodiment of the present invention provides a kind of cyclone separator, is applicable to separating particles dust from coal gas of high temperature or other high-temperature gases.Wherein, cyclone separator comprises vacuum subassembly 1, intake assembly 2, goes out pneumatic module 3 and ash discharge assembly 4.Vacuum subassembly 1 comprises inner core 11 and is arranged on the urceolus 12 of described inner core 11 outsides, the vacuum cavity 13 of formation sealing between described inner core 11 and urceolus 12, and wherein, inner chamber 19 upper dimension of described inner core 11 are greater than lower dimension.Intake assembly 2 is communicated with the top of described inner core 11 inner chambers 19, for inputting coal gas to be separated to described inner chamber 19.Go out pneumatic module 3 and be communicated with top or the top of described inner core 11 inner chambers 19, for exporting the coal gas after separation.Ash discharge assembly 4 is communicated with the bottom of described inner core 11 inner chambers 19, for discharging the coal ash after separation.Coal gas to be separated, after cyclone separator, is divided into coal gas and coal ash after separation.
When use, coal gas to be separated is input in inner chamber 19 along the tangential direction of inner core 11, because the structure of inner chamber 19 is big up and small down, the motion therefore coal gas to be separated can be spinned in inner chamber 19.In motion process, the coal ash in coal gas to be separated can be separated and coal ash sinks down into the bottom of inner chamber 19, then from ash discharge assembly 4, discharges; Coal gas can be discharged from go out pneumatic module 3.
High temperature coal gas to be separated enters the temperature of cyclone separator in the time of 1300 ℃ of left and right, the inner core optional MGH2956 of 11 material or MA956.High temperature coal gas to be separated enters the temperature of cyclone separator in the time of 900 ℃ of left and right, and inner core 11 materials are optional 304,301S stainless steel, GH3030 or GH3600.The urceolus optional Q235A of 12 material or Q235B.The Gas Flow of intake assembly 2 and spout assembly 3 should be consistent with inner core 11 materials through the material of pipeline; Intake assembly 2, the material of spout assembly 3 and the flange being connected on ash discharge assembly 4 should be consistent with the material of urceolus 12.In the time selecting the material of each assembly, the physicochemical property such as heat-resisting, wear-resisting, anti-corrosion and heat insulation that should enter inlet temperature, gas composition, granule dust feature and the material of cyclone separator according to high temperature coal gas to be separated considers to select.For normal temperature cyclone separator, do not need to arrange heat insulating coat, also needn't adopt double-deck vacuum subassembly; And for coal gas of high temperature cyclone separator, can adopt double-deck vacuum subassembly and improve heat-insulating property by wear-resisting erosion resistance heat insulating coat is set.
The cyclone separator that technique scheme provides, adopt double-deck vacuum subassembly, vacuum cavity can play good thermal insulation function, makes to realize insulation without building refractory brick or castable again and adding heat-insulation layer, also makes the follow-up cyclone separator of being convenient to maintain.
Referring to Fig. 2, introduce the concrete structure of inner core and urceolus below.
Herein preferably, the form fit of inner core 11 and urceolus 12, all comprises in turn at the cylinder end of the cylinder top 15, the first cylindrical drum 16, taper cone barrel 17 and 18, two described the second cylindrical drum 18 of the second cylindrical drum that connect and being tightly connected.
Adopt inner core and the urceolus of above-mentioned implementation, be convenient to manufacture, also make the shape of inner chamber can be good at meeting the requirement that coal ash separates with coal gas.
Referring to Fig. 2, introduce the specific implementation of intake assembly below.
Described intake assembly 2 can comprise inlet tube 21 and the first flange 22, and inlet tube 21 is communicated with the top of described inner core 11 inner chambers 19; The first flange 22 is fixed on the side of described inlet tube 21 away from described inner core 11.
The first flange is in order to use bolt seal to connect, particularly: be that cyclone separator is convenient to and coal gasifier, add seal washer bolted by the pipe flange of pipeline, be tightly connected to realize.As without flange, also can directly dock by pipeline, and then the mode of welding realizes and being tightly connected.Between the first flange and inlet tube, can be welded and fixed, but be not limited to this.
Referring to Fig. 2, introduce out the specific implementation of pneumatic module below.
Described go out pneumatic module 3 can comprise escape pipe 31 and the second flange 32, escape pipe 31 is communicated with top or the top of described inner core 11 inner chambers 19, and extend in the inner chamber 19 of described inner core 11; The second flange 32 is fixed on the side of described escape pipe 31 away from described inner core 11.Escape pipe 31 stretches into the part in inner chamber 19, is preferably positioned at the top of inner chamber 19, so that the output of coal gas.Herein, escape pipe 31 can also play centralized positioning effect to inner core 11 and urceolus 12, makes the regular shape of vacuum cavity 13 even.
The second flange is in order to use bolt seal to connect, particularly: be that cyclone separator is convenient to and the pipeline of follow-up collection coal gas, add seal washer bolted by the pipe flange of pipeline, be tightly connected to realize.As without flange, also can directly dock by pipeline, and then the mode of welding realizes and being tightly connected.Between the second flange and escape pipe, can be welded and fixed, but be not limited to this.Escape pipe, in playing the effect of discharge coal gas, can also play the effect of location inner core and urceolus.
Referring to Fig. 2, introduce the specific implementation of ash discharge assembly below.
Described ash discharge assembly 4 comprises ash releasing tube 41, three-flange 42 and locating ring 43, and ash releasing tube 41 is communicated with the bottom of described inner core 11 inner chambers 19; Three-flange 42 is fixed on the side of described ash releasing tube 41 away from described inner core 11; Locating ring 43 is fixed on the side of described three-flange 42 towards described inner core 11, and described locating ring 43 is for locating and seal the cylinder end of two described the second cylindrical drum 18.
Three-flange is in order to use bolt seal to connect, particularly: be that cyclone separator is convenient to and the pipeline of follow-up collection coal ash, add seal washer bolted by the pipe flange of pipeline, be tightly connected to realize.As without flange, also can directly dock by pipeline, and then the mode of welding realizes and being tightly connected.Between three-flange and ash releasing tube, can be welded and fixed, but be not limited to this.The effect one of locating ring is location inner core and urceolus, the 2nd, form the vacuum cavity of sealing together with urceolus with inner core.
In the time that vacuum cavity size is large especially, in order to make the good stability of whole cyclone separator, centring ring (scheming not shown) can be set, to play the effect of supporting and location in vacuum cavity.Centring ring can be selected high temperature resistant, heat insulation materials for support.Preferably, the shape of centring ring and the form fit of vacuum cavity.Centring ring can be arranged on, near the cylindrical drum between inner core and urceolus and taper cone barrel connecting portion, or other suitable positions.It should be noted that the structure of centring ring and material can not affect vacuum cavity and vacuumize, centring ring is such as selecting frame structure etc.
For ease of controlling the vacuum in vacuum cavity 13, preferably, the top of described urceolus 12 is provided with vacuum valve 5.Arrange after vacuum valve 5, in use, if find, the vacuum in vacuum cavity 13 declines, and can carry out vacuum pumping, in time to guarantee the serviceability of cyclone separator.
Certainly, vacuum valve also can be set, if vacuum valve is not set, in the time vacuumizing, have in the position of original dress vacuum valve the pipe that vacuumizes stretching out, vacuumize pipe thinner also shorter, this pipe is connected to vacuum pumping pump and is formed sealing system by other pipes, in the time vacuumizing the vacuum that reaches predetermined, squeeze by mechanical force flat original installation vacuum valve position thinner pipe and make its sealing, and then end is welded to sealing.Certainly, also can take other modes to guarantee vacuum.
When assembling, first by inner core, urceolus and the component assembling of giving vent to anger, then assemble intake assembly and ash discharge assembly, and make, after the space sealing between inner core and urceolus, to carry out vacuum pumping, vacuum in vacuum cavity is better should be between 1.3 × 10
-2pa to 1.3 × 10
-5between Pa, effectively to block thermally conductive heat convection current approach, obtain good vacuum heat-insulating effect.
For the performance of further lifting cyclone separator, preferably, the surfaces externally and internally of the inner surface of described inner core 11 and described escape pipe 31 is coated with high temperature resistant wearing course; The inner surface of the outer surface of described inner core 11 and described urceolus 12 is coated with high temperature resistant heat insulation layer; The outer surface of described urceolus 12 is coated with anti-rotten thermal insulation layer.Herein, the inner surface of inlet tube 21 is also coated with high temperature resistant wearing course, and the outer surface of inlet tube 21 is coated with high temperature resistant heat insulation layer.The coal gas of high temperature cyclone separator of having relatively high expectations for insulation, its inlet tube 21 and escape pipe 31 also can adopt double-layer vacuum structure, and apply wear-resisting erosion resistance insulating; In addition, also should make its outer length that exposes outside cylinder 12 outsides try one's best shorter.
High temperature resistant wearing course can be selected RLHY-4 type high temperature abrasion material or the better coating of other performances, such as the DL1500 in Valor series high temperature abrasion material.The key technical indexes of RLHY-4 type high temperature abrasion material is as follows: 1500 ℃ of maximum operation (service) temperatures, case hardness 9.5H, compression strength 200MPa under normal temperature, impact strength 100N-CM, dry density 3000Kg/m
3, under normal temperature, wearability is 11 times of 16Mn, 8 times of 65Mn, 55 times of castable refractory.As can be seen here, RLHY-4 type high temperature abrasion material can substitute abrasion-resistant stee, wear-resistant ceramic, and refractory brick and castable, solve cyclone separator selection by winnowing abrasion and impact abrasion problem in use.
The high temperature resistant heat insulation layer that the outer surface of inner core applies, specifically can select the high temperature resistant reverberation heat insulating coatings of ZS-1 type, or the coating of the better high temperature resistant reverberation of other performances such as RLHY-12/800 type high temperature insulating thermal insulation coatings.The key technical indexes of ZS-1 type is high temperature resistant reverberation heat insulating coatings is as follows: high temperature resistant 1000-1500 ℃, and thermal conductivity factor 0.03W/M.K, shielding heat rate 90%, proportion 2200Kg/m
3, hardness 6H, coating layer thickness 0.3mm-20mm.Coating layer thickness 8mm, if 1500 ℃ of coating inner surface temperature, hull-skin temperature can cool to 250 ℃ and temperature can be cooled to 250 ℃ from 1500 ℃; Coating layer thickness 6mm, can cool to 200 ℃ from 1000 ℃ by temperature, and visible, coating has played good heat-blocking action.
The high temperature resistant heat insulation layer that the inner surface of urceolus applies, can select better high temperature resistant, the heat insulation coating of energy of ASRC1003 superhigh temperature industry insulating moulding coating or other performances.The key technical indexes of ASRC1003 superhigh temperature industry insulating moulding coating is as follows: 600-1500 ℃ of serviceability temperatures, thermal conductivity factor 0.056W/M.K, heat shielding rate 90%, compression strength 180MPa, rupture strength 40MPa.Coating layer thickness 8mm, can cool to 170 ℃ from 500 ℃ by temperature, and coating layer thickness 6mm, can cool to 75 ℃ from 200 ℃ by temperature.
The outer surface of urceolus is coated with anti-rotten thermal insulation layer, can select the better wear-and corrosion-resistant thermal insulation coatings of ZS-1031 abrasion resistant anticorrosive paint or other performances, such as ASRC1002 hot industry insulating moulding coating.The Specifeca tion speeification of ZS-1031 abrasion resistant anticorrosive paint is as follows: 600 ℃ of heatproofs, hardness of film 5H, coating density 1800Kg/m
3.
The cyclone separator that technique scheme provides, owing to adopting double-layer vacuum structure, and on inner core, urceolus, inlet tube and escape pipe, spray corresponding coating, effectively blocked thermally conductive heat advection heat radiation approach, reduced heat-energy losses, heat insulation and preservation effect is good.Meanwhile, due to without building refractory brick or castable, also without increasing outer insulation, while making to use cyclone separator, simply, cost declines in construction again, and the reliability of being convenient to maintenance and use is improved.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a cyclone separator, is characterized in that, comprising:
Vacuum subassembly, comprises inner core and the urceolus that is arranged on described inner core outside, forms the vacuum cavity of sealing between described inner core and urceolus, and wherein, the inner chamber upper dimension of described inner core is greater than lower dimension;
Intake assembly, is communicated with the top of described interior tube inner chamber, for inputting coal gas to be separated to described inner chamber;
Go out pneumatic module, be communicated with top or the top of described interior tube inner chamber, for exporting the coal gas after separation;
Ash discharge assembly, is communicated with the bottom of described interior tube inner chamber, for discharging the coal ash after separation.
2. cyclone separator according to claim 1, is characterized in that,
The form fit of described inner core and described urceolus, all comprises the cylinder top, the first cylindrical drum, taper cone barrel and the second cylindrical drum that connect in turn,, is tightly connected at the cylinder end of two described the second cylindrical drum.
3. cyclone separator according to claim 1, is characterized in that, described intake assembly comprises:
Inlet tube, is communicated with the top of described interior tube inner chamber;
The first flange, is fixed on the side of described inlet tube away from described inner core.
4. cyclone separator according to claim 1, is characterized in that, described in go out pneumatic module and comprise:
Escape pipe, is communicated with top or the top of described interior tube inner chamber, and extend in the inner chamber of described inner core;
The second flange, is fixed on the side of described escape pipe away from described inner core.
5. cyclone separator according to claim 2, is characterized in that, described ash discharge assembly comprises:
Ash releasing tube, is communicated with the bottom of described interior tube inner chamber;
Three-flange, is fixed on the side of described ash releasing tube away from described inner core;
Locating ring, is fixed on the side of described three-flange towards described inner core, and described locating ring is for locating and seal the cylinder end of two described the second cylindrical drum.
6. cyclone separator according to claim 1, is characterized in that,
The top of described urceolus is provided with vacuum valve.
7. cyclone separator according to claim 4, is characterized in that, the inner surface of described inner core and the surfaces externally and internally of described escape pipe are coated with high temperature resistant wearing course; The outer surface of described inner core and the inner surface of described urceolus are coated with high temperature resistant heat insulation layer; The outer surface of described urceolus is coated with anti-rotten thermal insulation layer.
8. cyclone separator according to claim 4, is characterized in that, in described vacuum cavity, is provided with centring ring.
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| CN201210420665.9A CN103785549A (en) | 2012-10-29 | 2012-10-29 | Cyclone separator |
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| CN201210420665.9A CN103785549A (en) | 2012-10-29 | 2012-10-29 | Cyclone separator |
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| CN103785549A true CN103785549A (en) | 2014-05-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105001895A (en) * | 2015-07-17 | 2015-10-28 | 广州迪森热能技术股份有限公司 | Bio-oil preparation system |
| CN105176597A (en) * | 2015-07-17 | 2015-12-23 | 广州迪森热能技术股份有限公司 | Biomass pyrolysis gas purifying system |
| CN105885948A (en) * | 2014-11-03 | 2016-08-24 | 胥利先 | Cyclone separation type biomass gasifying device |
| CN106362879A (en) * | 2016-11-03 | 2017-02-01 | 太原理工大学 | Separation device for high temperature products of coal pyrolysis |
| CN110116056A (en) * | 2019-05-28 | 2019-08-13 | 福建龙净环保股份有限公司 | A kind of cyclone dust collectors |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885948A (en) * | 2014-11-03 | 2016-08-24 | 胥利先 | Cyclone separation type biomass gasifying device |
| CN105001895A (en) * | 2015-07-17 | 2015-10-28 | 广州迪森热能技术股份有限公司 | Bio-oil preparation system |
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| CN106362879A (en) * | 2016-11-03 | 2017-02-01 | 太原理工大学 | Separation device for high temperature products of coal pyrolysis |
| CN110116056A (en) * | 2019-05-28 | 2019-08-13 | 福建龙净环保股份有限公司 | A kind of cyclone dust collectors |
| CN110116056B (en) * | 2019-05-28 | 2021-08-24 | 福建龙净环保股份有限公司 | Cyclone dust collector |
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