CN209481583U - The gasification system of high-temperature synthesis gas total heat recovery - Google Patents
The gasification system of high-temperature synthesis gas total heat recovery Download PDFInfo
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- CN209481583U CN209481583U CN201821906019.2U CN201821906019U CN209481583U CN 209481583 U CN209481583 U CN 209481583U CN 201821906019 U CN201821906019 U CN 201821906019U CN 209481583 U CN209481583 U CN 209481583U
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 114
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 114
- 238000002309 gasification Methods 0.000 title claims abstract description 64
- 238000011084 recovery Methods 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 251
- 230000005855 radiation Effects 0.000 claims abstract description 51
- 239000002699 waste material Substances 0.000 claims abstract description 49
- 239000006200 vaporizer Substances 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 15
- 239000007789 gas Substances 0.000 claims description 127
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 230000008676 import Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000011257 shell material Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses the gasification systems of high-temperature synthesis gas total heat recovery, it include: the useless pot of the gasification furnace with radiation waste pot, cyclone separator and convection current, gasification furnace includes: shell, vaporizer, vaporizer water-cooling wall, radiation waste pot and burner, shell includes gasification furnace upper housing and radiation waste shell body, vaporizer water-cooling wall is located in gasification furnace upper housing, and burner is located at the top of gasification furnace upper housing；Radiation waste pot includes the first water-cooling wall, water-cooling screen group and the second water-cooling wall, first water-cooling wall forms synthesis gas down going channel, water-cooling screen group includes multiple long water-cooling screens and multiple short water-cooling screens and is arranged in synthesis gas down going channel, and the second water-cooling wall is located at outside the first water-cooling wall and forms synthesis gas data feedback channel between the first water-cooling wall；Deslagging pond is connected with radiation waste pot lower end；Cyclone separator and the useless pot of convection current are successively connected with the outlet of the crude synthesis gas of radiation waste pot.Gas slag channel blockage can be effectively avoided while improving heat exchange area using the gasification system.
Description
Technical field
The utility model belongs to gasification furnace field, specifically, the utility model relates to high-temperature synthesis gas total heat recovery coals
Gasification system.
Background technique
The coal gas of high temperature sensible heat process program of coal gasification recycling at present specifically includes that chilling process and pot destroying process.Wherein swash
Cold technique is the most commonly used, the coal gas of high temperature that vaporizer can be come out from 1300 degrees centigrade Quench to 200 degrees centigrades,
Device structure is simple, with low investment, but energy recovery efficiency is low.Waste heat boiler can be by coal gas of high temperature from 1300 degrees Celsius of coolings
To 700 degrees centigrades, part of high temperature sensible heat is recycled, but still has energy loss, while the conjunction after gained heat exchange
Cause its quality lower at dust is carried in gas.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of high-temperature synthesis gas total heat recovery gasification system with a novel purpose, it is entirely hot using the high-temperature synthesis gas
Gas recovery system can avoid gas slag channel blockage while improving heat exchange area, and gained synthesis gas is with higher
Quality.
In the one aspect of the utility model, the utility model proposes the coal gasification systems of high-temperature synthesis gas total heat recovery
System.Embodiment according to the present utility model, the high-temperature synthesis gas total heat recovery gasification system include:
Gasification furnace, the gasification furnace include:
Shell, the shell include gasification furnace upper housing and radiation waste shell body, and the gasification furnace upper housing is interior and limits
Vaporizer out, the bottom crimp of the gasification furnace upper housing form slag notch, the top of the radiation waste shell body and the gas
Change the bottom connection of furnace upper housing, the top of the radiation waste shell body is exported with crude synthesis gas；
Gasifier water-cooling wall, the gasifier water-cooling wall are located in the vaporizer；
Burner, the burner are located at the top of the gasification furnace upper housing, and be suitable for into the vaporizer feeding pulverized coal,
Oxygen and steam；
First water-cooling wall, first water-cooling wall are arranged in the radiation waste shell body, and first water-cooling wall is formed
Synthesis gas down going channel；
Water-cooling screen group, the water-cooling screen group include multiple long water-cooling screens and multiple short water-cooling screens, the multiple long water-cooling screen
It is in the synthesis gas down going channel and circumferentially distributed with the multiple short water-cooling screen setting, each long water-cooling screen and every
A short water-cooling screen is extended from first water-cooling wall to the central axis direction of the synthesis gas down going channel；
Second water-cooling wall, second water-cooling wall are located at outside first water-cooling wall, and second water-cooling wall with it is described
The synthesis gas data feedback channel for being connected to the synthesis gas down going channel and crude synthesis gas outlet is formed between first water-cooling wall；
Wherein, the lower header of first water-cooling wall, the lower header of each water-cooling screen and second water-cooling wall
Lower header is connected and is connected with the cooling water inlet pipe for passing through radiation waste pot lower part of the housing；
The upper collecting chamber of the upper collecting chamber of first water-cooling wall, the upper collecting chamber of each water-cooling screen and second water-cooling wall
It is connected and is connected with the cooling water outlet pipe for passing through radiation waste pot upper part of the housing,
The lower section of the radiation waste shell body and the bottom with the radiation waste shell body is arranged in deslagging pond, the deslagging pond
End is connected, and the bottom in the deslagging pond has slag-drip opening；
Cyclone separator, the cyclone separator is interior to be equipped with third water-cooling wall, and the cyclone separator has thick close
At syngas outlet and ash discharging hole after gas import, dedusting, the crude synthesis gas import is connected with crude synthesis gas outlet；
Convection current is given up pot, and the convection current, which is given up, is equipped with water cooling tube in pot, and the convection current give up cookware have after dedusting synthesis gas into
Mouth, syngas outlet and ash hole, synthesis gas import is connected with syngas outlet after the dedusting after the dedusting.
Have according to the high-temperature synthesis gas total heat recovery gasification system of the utility model embodiment, in radiation waste pot by the
The double-cylinder type water-cooling wall of one water-cooling wall and the second water-cooling wall composition, and multiple long water-cooling screens and multiple are set in the first water-cooling wall
Short water-cooling screen initially enters synthesis gas in synthesis gas down going channel and exchanges heat with the first water-cooling wall and water-cooling screen group, later again into
Enter in synthesis gas rising passway and exchange heat with the first water-cooling wall and the second water-cooling wall, is finally discharged.Obviously, the utility model by
The setting that multiple long water-cooling screens and multiple more common water-cooling screens of short water-cooling screen are arranged in first water-cooling wall, which is shown, efficiently avoids spoke
It penetrates useless pot and blocks up slag problem, and be provided with the second water-cooling wall, further increase heat exchange area, also effectively extend synthesis gas and change
The passage of heat makes synthesis gas and the first water-cooling wall carry out secondary heat exchange, and Exposure degree is more thorough.Further, radiation waste pot according to
Secondary connection cyclone separator, the useless pot of convection current connects cyclone separator, and is arranged on cyclone separator, so that from radiation waste
Pot in be discharged crude synthesis gas supply to in water-cooling wall cyclone separator carry out cyclonic separation processing so that crude synthesis gas institute
The flying dust of carrying is separated, and reduces abrasion of the ash particle to the useless pot of subsequent convection current, while the water cooling in cyclone separator
Wall can further exchange heat to synthesis gas, and the synthesis gas after last dedusting resupplies convection current and gives up in pot, to synthesis gas into one
Walk recuperation of heat.It is aobvious that crude synthesis gas can be improved using a kind of gasification system of recycling high-temperature synthesis gas heat of the application as a result,
Heat recovery efficiency avoids radiation waste pot from blocking up slag problem.
In addition, the high-temperature synthesis gas total heat recovery gasification system according to the utility model above-described embodiment can also have
Following additional technical characteristic:
In the present invention, circumferentially upper transpostion interval divides for the multiple long water-cooling screen and the multiple short water-cooling screen
Cloth.
In the present invention, the 1-2 short water-cooling screens are arranged between long water-cooling screen described in each adjacent two.
In the present invention, per the adjacent long water-cooling screen between the short water-cooling screen or per two adjacent institutes
Stating the angle between short cold water screen is 15-45 degree.
In the present invention, the total number of the long water-cooling screen and the short water-cooling screen is 8-24.
In the present invention, each long water-cooling screen has 6-15 root water cooling tube.
In the present invention, each short water-cooling screen has 3-6 root water cooling tube.
In the present invention, the long water-cooling screen is connected with first water-cooling wall by fin, the long water-cooling screen
Width be the synthesis gas down going channel radius 1/11-1/4.
In the present invention, the short water-cooling screen is connected with first water-cooling wall by fin, the short water-cooling screen
Width be the synthesis gas down going channel radius 2/35-1/9.
In the present invention, the distance between second water-cooling wall and first water-cooling wall are radiation waste pot cylinder
The 1/12-1/8 of radius.
In the present invention, the crude synthesis gas import and crude synthesis gas outlet are connected by first pipe formula water cooling
Adapter tube is connected.Thus, it is possible to further increase the Exposure degree efficiency of the high-temperature synthesis gas total heat recovery gasification system.
In the present invention, syngas outlet passes through second pipe after synthesis gas import and the dedusting after the dedusting
Formula water cooling connecting tube is connected.Thus, it is possible to further increase the Exposure degree efficiency of the system.
In the present invention, the water cooling tube being arranged in the useless pot of the convection current is snakelike water cooling tube.Thus, it is possible to further
Improve the Exposure degree efficiency of the system.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is shown according to the structure of the gasification system of the high-temperature synthesis gas total heat recovery of the utility model one embodiment
It is intended to；
Fig. 2 is the radiation waste according to the gasification system of the high-temperature synthesis gas total heat recovery of the utility model one embodiment
The horizontal cross-section top view of pot.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
One embodiment according to the present utility model, with reference to Fig. 1, gasification furnace 1000 includes: shell 100, gasification furnace water
Cold wall 2 00, burner 300, the first water-cooling wall 400, water-cooling screen group 500, the second water-cooling wall 600 and deslagging pond 700.
Specifically, shell 100 includes gasification furnace upper housing 110 and radiation waste shell body 120, the gasification furnace upper housing
In 110 and vaporizer 111 is limited, the bottom crimp of the gasification furnace upper housing 110 forms slag notch 112, the radiation waste
The top of shell body 120 is connect with the bottom of the gasification furnace upper housing 110, and the top of the radiation waste shell body 120 has
Crude synthesis gas outlet 121；Gasifier water-cooling wall 200 is located in the vaporizer 111；Burner 300 is located at gasification furnace upper housing 110
Top, and be suitable for pass through burner feeding pulverized coal, oxygen and steam into vaporizer 111.Enable fine coal full combustion gas
Change obtains high-temperature synthesis gas.Specifically, there are distance between gasifier water-cooling wall 200 and gasification furnace upper housing 110, so as to
Shell is avoided to be damaged by the hyperthermia radiation of vaporizer, while can be appropriate under the premise of in order to improve gasification efficiency in vaporizer
The indoor temperature that gasifies is improved, and then improves the gasification efficiency of gasification furnace while guaranteeing gasification furnace service life.
Further embodiment according to the present utility model, with reference to Fig. 1, radiation waste pot includes radiation waste shell body 120, first
Water-cooling wall 400, water-cooling screen group 500 and the second water-cooling wall 600.
Wherein, the top of radiation waste shell body 120 is connected with gasification furnace upper housing 110, the top of radiation waste shell body 120
With crude synthesis gas outlet 121；First water-cooling wall 400, the first water-cooling wall 400 are arranged in radiation waste shell body 120, the first water
Cold wall 400 forms synthesis gas down going channel 410；Water-cooling screen group 500 includes multiple long water-cooling screens 510 and multiple short water-cooling screens 520,
Multiple long water-cooling screens 510 and multiple short water-cooling screens 520 are arranged in synthesis gas down going channel 410 and circumferentially distributed, Mei Gechang
Water-cooling screen 510 and each short water-cooling screen 520 prolong from the first water-cooling wall 400 to the central axis direction of synthesis gas down going channel 410
It stretches；Second water-cooling wall 600 is located at outside the first water-cooling wall 400, and is formed between the second water-cooling wall 600 and the first water-cooling wall 400
It is connected to the synthesis gas data feedback channel 610 of synthesis gas down going channel 410 and crude synthesis gas outlet 121；
Wherein, the next part of the lower header of the first water-cooling wall 400, the lower header of each water-cooling screen 500 and the second water-cooling wall 600
Case is connected and is connected with the cooling water inlet pipe for passing through 100 lower part of shell；The upper collecting chamber of first water-cooling wall 400, each water cooling
The upper collecting chamber of screen 500 and the upper collecting chamber of the second water-cooling wall 600 are connected and are connected with the cooling water outlet pipe for passing through 100 top of shell
It is logical.
There is in radiation waste pot the double-cylinder type water-cooling wall being made of the first water-cooling wall 400 and the second water-cooling wall 600 as a result,
And multiple long water-cooling screens 510 and multiple short water-cooling screens 520 are set in the first water-cooling wall 400, so that synthesis gas initially enters conjunction
It exchanges heat in gas down going channel 410 with the first water-cooling wall 400 and water-cooling screen group 500, enters back into synthesis gas rising passway 610 later
It is interior to exchange heat with the first water-cooling wall 400 and the second water-cooling wall 600, finally it is discharged.
Therefore, the utility model in the first water-cooling wall 400 by being arranged multiple long water-cooling screens 510 and multiple short water-cooling screens
The setting of 520 more common water-cooling screens significantly improves heat exchange area, and is provided with the second water-cooling wall 600, not only further increases
Heat exchange area is added, has also effectively extended synthesis gas heat exchanger channels, so that synthesis gas has carried out secondary change with the first water-cooling wall 400
Heat, Exposure degree are more thorough.Therefore, the high-temperature synthesis gas total heat recovery gasification system of the utility model embodiment, which also has, changes
Heat area more, the high-efficient advantage of Exposure degree.
Specific embodiment according to the present utility model, multiple long water-cooling screens 510 and multiple short water-cooling screens 520 are circumferentially submitted
Fork is spaced apart.It is possible thereby to further increase heat exchange area.
Specifically, it can use short water-cooling screen 520 to be spaced apart two or more long water-cooling screens 510, and then can keep away
Exempt from multiple long water-cooling screens 510 to arrange closely, be easy to cause fouling and slagging, blocking radiation waste pot channel, influence equipment operation.Separately
Outside, gap between two or more long water-cooling screens 510 can also be filled up using short water-cooling screen 520, and then is changed effectively improving
It will not also result in blockage to intermediate channel while heat area.
Specific embodiment according to the present utility model, it is preferable that 1-2 are arranged between the long water-cooling screen 510 of each adjacent two
Short water-cooling screen 520.This water-cooling screen set-up mode is taken, can effectively be kept away while Enhanced Radiation Reduced Blast gives up pot heat exchange area
Exempt from dust stratification inside radiation waste pot and block up slag phenomenon, in the case where equipment is normally driven, the heat exchange of lifting system is imitated to the maximum extent
Rate.
Specific embodiment according to the present utility model, it is preferable that as shown in Fig. 2, between the long water-cooling screen 510 of each adjacent two
Arrange 1 short water-cooling screen 520.And circumferentially upper can uniformly it divide between multiple long water-cooling screens 510 and multiple short water-cooling screens 520
Cloth, and then the structural stability of heat exchange uniformity and radiation waste pot can be improved.
The total number of specific embodiment according to the present utility model, long water-cooling screen 510 and short water-cooling screen 520 is 8-24.
Specifically it can suitably be increased and decreased according to space size in the first water-cooling wall.But the total number of long water-cooling screen 510 and short water-cooling screen 520
It is unsuitable excessive or very few, if very few meeting wasting space reduces heat exchange area, and then Exposure degree low efficiency；If excessive
Synthesis gas down going channel 410 can be made into be excessively narrow, and then be likely to result in slag blocking and wall built-up, seriously affect equipment fortune
Row.
Specific embodiment according to the present utility model, inventor in order to avoid in the first water-cooling wall space size to long water cooling
The setting of screen and short water-cooling screen number influences.Inventors have found that as shown in Fig. 2, by every adjacent long water-cooling screen 510 and short water cooling
Angle α between screen 520 or per adjacent two short cold water screen is 15-45 degree, and then can be with more convenient determining water
The total number setting of water-cooling screen in cold screen group.It especially can effectively keep long water-cooling screen 510 and short water-cooling screen 520 in water-cooling screen group
Distribution density so that water-cooling screen group 500 reaches maximum heat exchange area and best heat transfer effect.In addition, inventor also found, make
Obtaining the angle between the first water-cooling screen of each adjacent two is that 15-45 degree can also avoid slag blocking and wall built-up, and then improve and change
The thermal efficiency saves cost.
Specific embodiment according to the present utility model, each long water-cooling screen 510 have 6-15 root water cooling tube.It is possible thereby to have
Effect improves heat exchange area.And the water pipe number of long water-cooling screen 510 can also according to long water-cooling screen 510 from the first water-cooling wall in
The width that heart direction extends does not cause slag blocking, wall built-up and has subject to certain operating space.
Specifically, as shown in Fig. 2, long water-cooling screen 510 is connected with the first water-cooling wall by fin, the width of long water-cooling screen 510
Spend the 1/11-1/4 that L1 is synthesis gas down going channel radius R.It is possible thereby to not will cause while guaranteeing maximum heat exchange area
Fouling and slagging, blocking synthesis gas down going channel 410.
Specific embodiment according to the present utility model, each short water-cooling screen 520 have 3-6 root water cooling tube.It is possible thereby to have
Effect makes up gap between two long water-cooling screen 510, and then improves heat exchange area to the maximum extent.And the water of short water-cooling screen 520
Pipe radical can not also cause slag blocking according to the width that short water-cooling screen 520 extends from the first water-cooling wall to center position, hang
Wall and have certain operating space subject to.
Specifically, as shown in Fig. 2, short water-cooling screen 520 is connected with the first water-cooling wall by fin, the width of short water-cooling screen 520
Spend the 2/35-1/9 that L2 is synthesis gas down going channel radius R.It is possible thereby to not will cause while guaranteeing maximum heat exchange area
Slag blocking and wall built-up.
Specific embodiment according to the present utility model, as shown in Fig. 2, the width of synthesis gas data feedback channel 610 is by the first water
The distance between cold wall 400 and the second water-cooling wall 600 H are determined.Specific example according to the present utility model, the first water-cooling wall 400
The distance between second water-cooling wall H can be the 1/12-1/8 of radiation waste pot circular cylinder radius, specifically, radiation waste pot cylinder half
Diameter can be the inside radius of radiation waste shell body 120.It is possible thereby to guarantee being smoothly discharged for synthesis gas, if synthesis gas data feedback channel
610 width is too small, then synthesis gas can not be smoothly discharged, and synthesis gas decline passway water-cooling screen pipe number will be reduced if excessive,
Heat exchange efficiency is influenced, and synthesis gas decline passway is easy slagging.
As a result, according to the high-temperature synthesis gas total heat recovery gasification system of the utility model above-described embodiment, synthesize first
Gas is by synthesis gas down going channel 410 by carrying out with multiple long water-cooling screens 510, multiple short water-cooling screens 520 and the first water-cooling wall 400
Heat exchange, subsequently into exchanging heat again with the first water-cooling wall 400 and the second water-cooling wall 600 in synthesis gas data feedback channel 610.Cause
This, multiple long water-cooling screens 510 and the more common water cooling of multiple short water-cooling screens 520 are arranged in the utility model in the first water-cooling wall 400
The setting of screen significantly improves heat exchange area, and is provided with the second water-cooling wall, not only further increases heat exchange area, also
Effect extends synthesis gas heat exchanger channels, so that synthesis gas and the first water-cooling wall 400 have carried out secondary heat exchange, Exposure degree is more thorough
Bottom.Therefore, the high-temperature synthesis gas total heat recovery gasification system of the utility model embodiment has bigger heat exchange area, sensible heat
Recovery efficiency is significantly improved.
Another embodiment according to the present utility model, with reference to Fig. 1, radiation waste shell body 120 is arranged in deslagging pond 700
Lower section and it is connected with the bottom end of radiation waste shell body 120, the bottom in deslagging pond 700 has slag-drip opening 710.
Another embodiment according to the present utility model is equipped with third water-cooling wall in cyclone separator 2000 with reference to Fig. 1
2100, and cyclone separator 2000 has gas outlet 2300 and ash discharging hole 2400 after crude synthesis gas import 2200, dedusting, it is thick to close
It is connected at gas import 2200 with crude synthesis gas outlet 121, and is suitable for that cyclonic separation will be carried out through the crude synthesis gas that deslagging pond is discharged.
Inventors have found that by arranging that the Exposure degree efficiency of synthesis gas not only can be improved in third water-cooling wall in cyclone separator,
And the service life of cyclone separator can be improved, while after cyclone separator is handled, flying dust entrained by crude synthesis gas
It is separated, reduces abrasion of the ash particle to the useless pot of subsequent convection current, and improve the quality of synthesis gas.According to the utility model
A specific embodiment, with reference to Fig. 1, crude synthesis gas import 2200 and crude synthesis gas outlet 121 pass through first pipe formula water cooling
Connecting tube 2500 is connected.Synthesis gas Exposure degree efficiency is further increased while avoiding synthesis gas sensible heat loss as a result,.
Another embodiment according to the present utility model is equipped with water cooling tube 3100 in the useless pot 3000 of convection current with reference to Fig. 1, and
And the useless pot 3000 of convection current has gas import 3200, syngas outlet 3300 and ash hole 3400 after dedusting, gas import after dedusting
3200 are connected with gas outlet 2300 after dedusting, and are suitable for further exchanging heat to the synthesis gas after cyclone separator dust-collecting and heat exchanging,
The abundant recycling for realizing synthesis gas sensible heat, obtains the synthesis gas for meeting temperature requirement.One according to the present utility model specific real
Example is applied, gas import 3200 is connected with gas outlet 2300 after dedusting by second pipe formula water cooling connecting tube 3500 after dedusting.As a result,
The abundant recycling of synthesis gas sensible heat is realized while further avoiding synthesis gas sensible heat loss.It is set in pot specifically, convection current is given up
The water cooling tube set is snakelike water cooling tube.
Passed through below vaporizer according to the gasification system of the high-temperature synthesis gas total heat recovery of the utility model embodiment
Radiation waste pot is set, so that the high-temperature synthesis gas that vaporizer obtains is directly entered in radiation waste pot, and the water in radiation waste pot
The water-cooling screen group being made of multiple water-cooling screens is set in the gas slag channel that cold wall limits, and the setting of more existing common water-cooling screen is aobvious
Work improves heat exchange area, and does not easily lead to the blocking in gas slag channel, while the crude synthesis gas that will be obtained through deslagging pond side wall
Supply, which extremely has, carries out cyclonic separation processing in water-cooling wall cyclone separator, so that flying dust entrained by crude synthesis gas is separated,
And abrasion of the ash particle to the useless pot of subsequent convection current is reduced, while the water-cooling wall in cyclone separator can be further to synthesis
Gas exchanges heat, and the synthesis gas after last dedusting resupplies in the useless pot of convection current and carries out recuperation of heat
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (13)
1. a kind of gasification system of high-temperature synthesis gas total heat recovery characterized by comprising
Gasification furnace, the gasification furnace include:
Shell, the shell include gasification furnace upper housing and radiation waste shell body, and the gasification furnace upper housing is interior and limits outlet
Change room, the bottom crimp of the gasification furnace upper housing forms slag notch, the top of the radiation waste shell body and the gasification furnace
The bottom of upper housing connects, and the top of the radiation waste shell body is exported with crude synthesis gas；
Gasifier water-cooling wall, the gasifier water-cooling wall are located in the vaporizer；
Burner, the burner is located at the top of the gasification furnace upper housing, and is suitable for feeding pulverized coal, oxygen into the vaporizer
And steam；
First water-cooling wall, first water-cooling wall are arranged in the radiation waste shell body, and first water-cooling wall forms synthesis
Gas down going channel；
Water-cooling screen group, the water-cooling screen group include multiple long water-cooling screens and multiple short water-cooling screens, the multiple long water-cooling screen and institute
It states multiple short water-cooling screens and in the synthesis gas down going channel and circumferentially distributed, each long water-cooling screen and each institute is set
Short water-cooling screen is stated to be extended from first water-cooling wall to the central axis direction of the synthesis gas down going channel；
Second water-cooling wall, second water-cooling wall are located at outside first water-cooling wall, and second water-cooling wall and described first
The synthesis gas data feedback channel for being connected to the synthesis gas down going channel and crude synthesis gas outlet is formed between water-cooling wall；
Wherein, the next part of the lower header of first water-cooling wall, the lower header of each water-cooling screen and second water-cooling wall
Case is connected and is connected with the cooling water inlet pipe for passing through radiation waste pot lower part of the housing；
The upper collecting chamber of first water-cooling wall, each water-cooling screen upper collecting chamber be connected with the upper collecting chamber of second water-cooling wall
And be connected with the cooling water outlet pipe for passing through radiation waste pot upper part of the housing,
The lower section of the radiation waste shell body and the bottom end phase with the radiation waste shell body is arranged in deslagging pond, the deslagging pond
Even, the bottom in the deslagging pond has slag-drip opening；
Cyclone separator, the cyclone separator is interior to be equipped with third water-cooling wall, and the cyclone separator has crude synthesis gas
Syngas outlet and ash discharging hole after import, dedusting, the crude synthesis gas import are connected with crude synthesis gas outlet；
Convection current is given up pot, and the convection current, which is given up, is equipped with water cooling tube in pot, and the convection current cookware that gives up has synthesis gas import after dedusting, closes
At gas outlet and ash hole, synthesis gas import is connected with syngas outlet after the dedusting after the dedusting.
2. gasification system according to claim 1, which is characterized in that the multiple long water-cooling screen and the multiple short water
Circumferentially upper intersection is spaced apart cold screen.
3. gasification system according to claim 2, which is characterized in that arranged between long water-cooling screen described in each adjacent two
The 1-2 short water-cooling screens.
4. gasification system according to claim 3, which is characterized in that per the adjacent long water-cooling screen and the short water cooling
Angle between screen or per two adjacent short water-cooling screens is 15-45 degree.
5. gasification system according to claim 4, which is characterized in that the long water-cooling screen and the short water-cooling screen it is total
Number is 8-24.
6. gasification system according to claim 5, which is characterized in that each long water-cooling screen has 6-15 root water cooling
Pipe.
7. gasification system according to claim 6, which is characterized in that each short water-cooling screen has 3-6 root water cooling
Pipe.
8. gasification system according to claim 7, which is characterized in that the long water-cooling screen and first water-cooling wall are logical
It crosses fin to be connected, the width of the long water-cooling screen is the 1/11-1/4 of the synthesis gas down going channel radius.
9. gasification system according to claim 8, which is characterized in that the short water-cooling screen and first water-cooling wall are logical
It crosses fin to be connected, the width of the short water-cooling screen is the 2/35-1/9 of the synthesis gas down going channel radius.
10. gasification system according to claim 8, which is characterized in that second water-cooling wall and first water cooling
The distance between wall is the 1/12-1/8 of radiation waste pot circular cylinder radius.
11. gasification system according to claim 1, which is characterized in that the crude synthesis gas import and the thick synthesis
Gas outlet is connected by first pipe formula water cooling connecting tube.
12. gasification system according to claim 1, which is characterized in that after the dedusting after gas import and the dedusting
Gas outlet is connected by second pipe formula water cooling connecting tube.
13. gasification system according to claim 1, which is characterized in that the water cooling tube of setting is in the useless pot of the convection current
Snakelike water cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906019.2U CN209481583U (en) | 2018-11-19 | 2018-11-19 | The gasification system of high-temperature synthesis gas total heat recovery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821906019.2U CN209481583U (en) | 2018-11-19 | 2018-11-19 | The gasification system of high-temperature synthesis gas total heat recovery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504452A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | The gasification system of high-temperature synthesis gas total heat recovery |
| CN112029545A (en) * | 2020-09-18 | 2020-12-04 | 东华工程科技股份有限公司 | Elastic support load control device and control method for water-gas separator |
-
2018
- 2018-11-19 CN CN201821906019.2U patent/CN209481583U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504452A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | The gasification system of high-temperature synthesis gas total heat recovery |
| CN112029545A (en) * | 2020-09-18 | 2020-12-04 | 东华工程科技股份有限公司 | Elastic support load control device and control method for water-gas separator |
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