CN209481591U - Recycle the gasification system of high-temperature synthesis gas heat - Google Patents
Recycle the gasification system of high-temperature synthesis gas heat Download PDFInfo
- Publication number
- CN209481591U CN209481591U CN201821905774.9U CN201821905774U CN209481591U CN 209481591 U CN209481591 U CN 209481591U CN 201821905774 U CN201821905774 U CN 201821905774U CN 209481591 U CN209481591 U CN 209481591U
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- synthesis gas
- cooling wall
- radiation waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 113
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 113
- 238000002309 gasification Methods 0.000 title claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 169
- 230000005855 radiation Effects 0.000 claims abstract description 46
- 239000002699 waste material Substances 0.000 claims abstract description 45
- 238000004064 recycling Methods 0.000 claims abstract description 17
- 239000006200 vaporizer Substances 0.000 claims abstract description 14
- 239000002893 slag Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000008676 import Effects 0.000 claims description 17
- 239000003245 coal Substances 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000002918 waste heat Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000000926 separation method 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
- 230000007423 decrease Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 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
- 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses the gasification systems of recycling high-temperature synthesis gas heat, it include: the useless pot of gasification furnace, cyclone separator and convection current with radiation waste pot, gasification furnace includes: shell, 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, the setting of water-cooling screen group is circumferentially distributed 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；Cyclone separator is connected with the outlet of the crude synthesis gas of radiation waste pot, and the useless pot of convection current is placed in above cyclone separator and is connected with cyclone separator syngas outlet.Gas slag channel blockage, and gained synthesis gas quality with higher can be avoided while improving heat exchange area using the system.
Description
Technical field
The utility model belongs to gasification furnace field, specifically, the utility model relates to recycle high-temperature synthesis gas heat
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, can by vaporizer come out coal gas of high temperature from 1300 degrees centigrade Quench to 300 degrees Celsius hereinafter,
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 gasification system for recycling high-temperature synthesis gas heat with a novel purpose, can be changed in raising using device
Gas slag channel blockage, and gained synthesis gas quality with higher are avoided while heat area.
In the one aspect of the utility model, the utility model proposes a kind of gasification systems for recycling high-temperature synthesis gas heat
System.Embodiment according to the present utility model, the gasification system for recycling high-temperature synthesis gas heat 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；
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 water-cooling screens, and the multiple water-cooling screen is arranged under the synthesis gas
In row of channels and circumferentially distributed, each water-cooling screen is from first water-cooling wall into the synthesis gas down going channel
Mandrel direction extends；
Second water-cooling wall, second water-cooling wall are located at the outside of first water-cooling wall, and second water-cooling wall with
The synthesis gas uplink for being connected to the synthesis gas down going channel and crude synthesis gas outlet is formed between first water-cooling wall
Channel；
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.
According to the gasification system of the recycling high-temperature synthesis gas heat of the utility model embodiment by being set below gasification furnace
Radiation waste pot is set, there is the double-cylinder type water-cooling wall being made of the first water-cooling wall and the second water-cooling wall in radiation waste pot, and first
The multiple water-cooling screens of setting in water-cooling wall, make synthesis gas initially enter in synthesis gas down going channel with the first water-cooling wall and water-cooling screen group
Heat exchange is entered back into synthesis gas rising passway later and is exchanged heat with the first water-cooling wall and the second water-cooling wall, is finally discharged.Therefore, compared with
The setting of existing common single layer water-cooling wall significantly improves heat exchange area.Further, radiation waste pot is sequentially connected whirlwind point
From device and the useless pot of convection current, so that the crude synthesis gas being discharged out of radiation waste pot is supplied to the cyclone separator for having water-cooling wall
Middle progress cyclonic separation processing, so that flying dust entrained by crude synthesis gas is separated, and reduces ash particle to subsequent convection current
The abrasion of useless pot, while the water-cooling wall in cyclone separator can further exchange heat to synthesis gas, the conjunction after last dedusting
It is resupplied in the useless pot of convection current at gas and carries out recuperation of heat, the heat of synthesis gas is sufficiently recycled.It is high using the recycling of the application as a result,
Crude synthesis gas Exposure degree efficiency can be improved in the gasification system of warm synthesis gas heat.
In addition, can also be had according to the gasification system of the recycling high-temperature synthesis gas heat of the utility model above-described embodiment
Following additional technical characteristic:
In the present invention, the total number of the water-cooling screen is 8-24.Thus, it is possible to further increase the coal gasification
The Exposure degree efficiency of the full recovery system of waste heat.
In the present invention, the angle between water-cooling screen described in each adjacent two is 15-45 degree.
In the present invention, the water-cooling screen is connected with first water-cooling wall by fin, the width of the water-cooling screen
Degree is the 1/11-1/4 of the synthesis gas down going channel radius.Thus, it is possible to further increase the coal gasification waste heat and recycle entirely and be
The Exposure degree efficiency of system.
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.Thus, it is possible to further increase the Exposure degree efficiency of the device.
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.Mitigate damage of the high-temperature gas to pipeline as a result,.
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.Mitigate damage of the high-temperature gas to pipeline as a result,.
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 device.
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 the structural representation according to the gasification system of the recycling high-temperature synthesis gas heat of the utility model one embodiment
Figure；
Fig. 2 is the gasification furnace spoke according to the gasification system of the recycling high-temperature synthesis gas heat of the utility model one embodiment
Penetrate the horizontal cross-section top view of useless 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.
In the one aspect of the utility model, the utility model proposes a kind of gasification systems for recycling high-temperature synthesis gas heat
System.Embodiment according to the present utility model, with reference to Fig. 1, the system of the recycling high-temperature synthesis gas heat include: gasification furnace 1000,
Cyclonic separation 2000 and the useless pot 3000 of convection current.
One embodiment according to the present utility model, with reference to Fig. 1, gasification furnace 1000 includes: shell 100, gasification furnace water
Cold wall 200, 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 510；Water-cooling screen group 500 includes multiple water-cooling screens, and multiple water-cooling screens are arranged in synthesis gas
In down going channel 510 and circumferentially distributed, each water-cooling screen is from the first water-cooling wall 400 into synthesis gas down going channel 510
Mandrel direction extends；Second water-cooling wall 600 is located at the outside of the first water-cooling wall 400, and the second water-cooling wall 600 and the first water-cooling wall
The synthesis gas data feedback channel 610 of connection synthesis gas down going channel 510 and crude synthesis gas outlet 121 is formed between 400；Wherein,
The lower header of the lower header of first water-cooling wall 400, the lower header of each water-cooling screen and the second water-cooling wall 600 be connected and with pass through spoke
The cooling water inlet pipe for penetrating useless 120 lower part of shell body is connected；The upper collection of the upper collecting chamber of first water-cooling wall 400, each water-cooling screen
The upper collecting chamber of case and the second water-cooling wall 600 is connected and is connected with the cooling water outlet pipe for passing through 120 top of radiation waste shell body.
There is in radiation waste shell body 120 double-cylinder type being made of the first water-cooling wall 400 and the second water-cooling wall 600 as a result,
Water-cooling wall, and multiple water-cooling screens are set in the first water-cooling wall 400, so that synthesis gas initially enters synthesis gas down going channel 510
It is interior to be exchanged heat with water-cooling screen group 500 with the first water-cooling wall 400, enter back into later in synthesis gas rising passway 610 with the first water-cooling wall
400 and second water-cooling wall 600 exchange heat, be finally discharged.
Therefore, the utility model not only further increases heat exchange area, also by being provided with the second water-cooling wall 600
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 full recovery system of coal gasification waste heat of the utility model embodiment also has heat exchange area more, and Exposure degree is high-efficient
The advantages of.
Another specific example according to the present utility model, water-cooling screen group 500 include multiple water-cooling screens, specifically, water cooling
The total number of screen can be 8-24.It specifically can be suitable according to 510 space size of synthesis gas down going channel in the first water-cooling wall 400
Work as increase and decrease.But the total number of water-cooling screen should not be excessive or very few, if very few meeting wasting space reduces heat exchange area, in turn
Exposure degree low efficiency；Synthesis gas down going channel 510 can be made into if excessive to be excessively narrow, and then it is stifled to be likely to result in slag
Plug and wall built-up seriously affect equipment operation.
Another specific example according to the present utility model, in order to avoid synthesis gas down going channel in the first water-cooling wall 400
510 space sizes influence the setting of water-cooling screen number, as shown in Fig. 2, the angle α between each adjacent two water-cooling screen is arranged
For 15-45 degree, and then can be with the total number setting of water-cooling screen in more convenient determining water-cooling screen group 500；It effectively keeps simultaneously more
The distribution density of a water-cooling screen, so that water-cooling screen group 500 reaches maximum heat exchange area and best heat transfer effect.In addition, inventor
It has also been found that so that the angle between each adjacent two water-cooling screen is that 15-45 degree can also avoid slag blocking and wall built-up, Jin Erti
High heat exchange efficiency saves cost.
Specifically, as shown in Fig. 2, water-cooling screen is connected with the first water-cooling wall by fin, the width L of water-cooling screen is synthesis gas
The 1/11-1/4 of down going channel radius R.It is possible thereby to not will cause fouling and slagging while guaranteeing maximum heat exchange area, block up
Fill in synthesis gas down going channel 510.
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 gasification system of the recycling high-temperature synthesis gas heat of the utility model above-described embodiment, synthesize first
Gas by synthesis gas down going channel 510 by exchanging heat with multiple water-cooling screens and the first water-cooling wall 400, subsequently on synthesis gas
It exchanges heat again with the first water-cooling wall 400 and the second water-cooling wall 600 in row of channels 610.Therefore, the utility model passes through setting
Second water-cooling wall, not only further increases heat exchange area, also effectively extends synthesis gas heat exchanger channels so that synthesis gas with
First water-cooling wall 400 has carried out secondary heat exchange, and Exposure degree is more thorough.Therefore, the coal gasification waste heat of the utility model embodiment
Full recovery system has bigger heat exchange area, and Exposure degree efficiency is significantly improved.
Another embodiment according to the present utility model, with reference to Fig. 1, deslagging pond 700, deslagging pond 700 is arranged in radiation waste
The lower section of shell body 120 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 syngas outlet 2300 and ash discharging hole 2400 after crude synthesis gas import 2200, dedusting,
Crude synthesis gas import 2200 is connected with crude synthesis gas outlet 121, and is suitable for that whirlwind will be carried out through the crude synthesis gas that deslagging pond is discharged
Separation.Inventors have found that by arranging that the Exposure degree of synthesis gas not only can be improved in third water-cooling wall in cyclone separator
Efficiency, and the service life of cyclone separator can be improved, while after cyclone separator is handled, entrained by crude synthesis gas
Flying dust is separated, and reduces abrasion of the ash particle to the useless pot of subsequent convection current, and improve the quality of synthesis gas.It is practical according to this
A novel 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.
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 convection current gives up pot 3000 with synthesis gas import 3200, syngas outlet 3300 and ash hole 3400 after dedusting, synthesizes after dedusting
Gas import 3200 is connected with syngas outlet 2300 after dedusting, and be suitable for the synthesis gas after cyclone separator dust-collecting and heat exchanging into
The heat exchange of one step, realizes the abundant recycling of synthesis gas sensible heat, obtains the synthesis gas for meeting temperature requirement.According to the present utility model one
A specific embodiment, synthesis gas import 3200 is connect with syngas outlet 2300 after dedusting by second pipe formula water cooling after dedusting
Pipe 3500 is connected.The abundant recycling of synthesis gas sensible heat is realized while further avoiding synthesis gas sensible heat loss as a result,.Specifically
, the water cooling tube being arranged in the useless pot of convection current is snakelike water cooling tube.
According to the gasification system of the recycling high-temperature synthesis gas heat of the utility model embodiment by being set below vaporizer
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 cooling in radiation waste pot
The water-cooling screen group being made of multiple water-cooling screens is set in the gas slag channel that wall limits, and the setting of more existing common water-cooling screen is significant
Heat exchange area is improved, and does not easily lead to the blocking in gas slag channel, while the crude synthesis gas obtained through deslagging pond side wall being supplied
Cyclonic separation processing is carried out in water-cooling wall cyclone separator to extremely having, so that flying dust entrained by crude synthesis gas is separated, and
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
It exchanges heat, the synthesis gas after last dedusting resupplies in the useless pot of convection current and carries out recuperation of heat, carries out full heat to synthesis gas heat and returns
It receives.
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 (8)
1. a kind of gasification system for recycling high-temperature synthesis gas heat 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 water-cooling screens, and the multiple water-cooling screen setting is logical in the synthesis gas downlink
In road and circumferentially distributed, each water-cooling screen is from first water-cooling wall to the central axis of the synthesis gas down going channel
Direction extends；
Second water-cooling wall, second water-cooling wall are located at the outside of 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 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 water-cooling screen group includes 8-24 water-cooling screen.
3. gasification system according to claim 2, which is characterized in that the angle between water-cooling screen described in each adjacent two is
15-45 degree.
4. gasification system according to claim 3, which is characterized in that the water-cooling screen and first water-cooling wall pass through fin
Piece is connected, and the width of the water-cooling screen is the 1/11-1/4 of the synthesis gas down going channel radius.
5. gasification system according to claim 4, which is characterized in that second water-cooling wall and first water-cooling wall it
Between distance be radiation waste pot circular cylinder radius 1/12-1/8.
6. gasification system according to claim 1, which is characterized in that the crude synthesis gas import goes out with the crude synthesis gas
Mouth is connected by first pipe formula water cooling connecting tube.
7. gasification system according to claim 1, which is characterized in that after the dedusting after synthesis gas import and the dedusting
Syngas outlet is connected by second pipe formula water cooling connecting tube.
8. gasification system according to claim 1, which is characterized in that the water cooling tube being arranged in the useless pot of the convection current is snakelike
Water cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905774.9U CN209481591U (en) | 2018-11-19 | 2018-11-19 | Recycle the gasification system of high-temperature synthesis gas heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905774.9U CN209481591U (en) | 2018-11-19 | 2018-11-19 | Recycle the gasification system of high-temperature synthesis gas heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209481591U true CN209481591U (en) | 2019-10-11 |
Family
ID=68116160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821905774.9U Expired - Fee Related CN209481591U (en) | 2018-11-19 | 2018-11-19 | Recycle the gasification system of high-temperature synthesis gas heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209481591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504461A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Recycle the gasification system of high-temperature synthesis gas heat |
-
2018
- 2018-11-19 CN CN201821905774.9U patent/CN209481591U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504461A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Recycle the gasification system of high-temperature synthesis gas heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107090311A (en) | High efficient heat recovery carries flow gasification stove | |
| CN102786992A (en) | Radiation heat-convection integrated synthesis gas cooler | |
| CN209481583U (en) | The gasification system of high-temperature synthesis gas total heat recovery | |
| CN209481591U (en) | Recycle the gasification system of high-temperature synthesis gas heat | |
| CN209383718U (en) | The full recovery system of coal gasification waste heat | |
| CN209481592U (en) | The full recovery system of coal gasification waste heat | |
| CN208586256U (en) | A kind of gasification furnace with radiation heat transfer | |
| CN109504451A (en) | The full recovery system of multiinjector waste heat | |
| CN209397167U (en) | Radiation waste pot heat recovery apparatus with Quench | |
| CN209383719U (en) | The full recovery system of coal gasification waste heat | |
| CN109504461A (en) | Recycle the gasification system of high-temperature synthesis gas heat | |
| CN209481593U (en) | The full recovery system of coal gasification waste heat | |
| CN109340727B (en) | Radiation convection integrated steam generator | |
| CN209383714U (en) | The full recovery system of multiinjector waste heat | |
| CN109504464A (en) | Radiation waste pot heat recovering device with soot blowing | |
| CN209481597U (en) | Radiation waste pot Quench integration heat recovery apparatus | |
| CN209481590U (en) | Radiation waste pot heat recovering device | |
| CN209481595U (en) | Radiation waste pot heat recovering device with soot blowing | |
| CN109504446A (en) | Gasification furnace | |
| CN209484570U (en) | Radiation and convection integrated steam generating device | |
| CN109504465A (en) | The full recovery system of coal gasification waste heat | |
| CN106091389A (en) | A kind of dual pathways combustion heat exchanger | |
| CN109504462A (en) | The full recovery system of coal gasification waste heat | |
| CN209397168U (en) | Radiation waste pot heat recovering device | |
| CN209481584U (en) | Multi nozzle of gasification furnace with recuperation of heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |