CN209481592U - The full recovery system of coal gasification waste heat - Google Patents
The full recovery system of coal gasification waste heat Download PDFInfo
- Publication number
- CN209481592U CN209481592U CN201821905940.5U CN201821905940U CN209481592U CN 209481592 U CN209481592 U CN 209481592U CN 201821905940 U CN201821905940 U CN 201821905940U CN 209481592 U CN209481592 U CN 209481592U
- Authority
- CN
- China
- Prior art keywords
- water
- cooling
- gas
- screen
- cooling screen
- 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.)
- Active
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 54
- 239000003245 coal Substances 0.000 title claims abstract description 30
- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 239000002918 waste heat Substances 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 181
- 239000007789 gas Substances 0.000 claims abstract description 114
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 53
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 53
- 239000002893 slag Substances 0.000 claims abstract description 51
- 230000005855 radiation Effects 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000002699 waste material Substances 0.000 claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000008602 contraction Effects 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013517 stratification Methods 0.000 description 2
- 241000208340 Araliaceae Species 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 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
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000012546 transfer Methods 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 full recovery systems of coal gasification waste heat, it include: gasification furnace, cyclone separator and the useless pot of convection current, gasification furnace includes: shell, radiation waste pot, first water-cooling wall and burner, first water-cooling wall is located in shell and limits gasification chamber, burner is located at the top of shell, radiation waste pot includes: the second water-cooling wall and water-cooling screen group, second water-cooling wall is located in radiation waste pot and limits outlet slag channel, water-cooling screen group includes multiple long water-cooling screens and multiple short water-cooling screens, multiple long water-cooling screens and multiple short water-cooling screens are located in gas slag channel and circumferentially distributed, deslagging pond is connected with radiation waste pot lower end, the upper portion side wall in deslagging pond is exported with crude synthesis gas, bottom has slag-drip opening；Third water-cooling wall is equipped in cyclone dust collectors, cyclone dust collectors have gas outlet and ash discharging hole after crude synthesis gas import, dedusting；Convection current is given up, and pot is interior to be equipped with water cooling tube, and the useless cookware of convection current has gas import, syngas outlet and ash hole after dedusting.
Description
Technical field
The utility model belongs to gasification furnace field, specifically, the utility model relates to the full recovery systems of coal gasification waste heat.
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 full recovery system of coal gasification waste heat with a novel purpose, it can using the full recovery system of coal gasification waste heat
To avoid gas slag channel blockage, and gained synthesis gas quality with higher while improving heat exchange area.
In the one aspect of the utility model, the utility model proposes a kind of full recovery systems of coal gasification waste heat.According to
The embodiments of the present invention, the full recovery system of coal gasification waste heat include:
Gasification furnace, the gasification furnace include:
Shell；
First water-cooling wall, first water-cooling wall are located in the shell and limit gasification chamber, the gasification chamber
Bottom crimp forms slag notch；
Burner, the burner are located at the top of the shell；
Radiation waste pot, the radiation waste pot include:
Second water-cooling wall, second water-cooling wall are located in the radiation waste pot and limit outlet slag channel, the gas slag
The upper end in channel is connected with the slag notch；
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
In gas slag channel and circumferentially distributed, each long water-cooling screen and each described short is located at the multiple short water-cooling screen
Water-cooling screen is extended from second water-cooling wall to Qi Zha channel center axis direction；
Deslagging pond, the deslagging pond are connected with radiation waste pot lower end, and the upper portion side wall in the deslagging pond has thick close
It is exported at gas, bottom has slag-drip opening；
Cyclone dust collectors, the cyclone dust collectors are interior to be equipped with third water-cooling wall, and the cyclone dust collectors have thick close
It is connected at gas outlet and ash discharging hole, the crude synthesis gas import after gas import, dedusting 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 gas import after dedusting, closes
At gas outlet and ash hole, gas import is connected with gas outlet after the dedusting after the dedusting.
According to the full recovery system of coal gasification waste heat of the utility model embodiment by the way that radiation waste is arranged below gasification furnace
Pot, so that the high-temperature synthesis gas that vaporizer obtains is directly entered in radiation waste pot, and the water-cooling wall restriction in radiation waste pot
The water-cooling screen group being made of multiple long water-cooling screens and multiple short water-cooling screens is set in gas slag channel, more existing common water-cooling screen
Setting significantly improves heat exchange area, and does not easily lead to the blocking in gas slag channel, while will obtain through deslagging pond side wall thick
Synthesis gas supply to in water-cooling wall cyclone dust collectors carry out cyclonic separation processing so that flying dust quilt entrained by crude synthesis gas
Separation, and abrasion of the ash particle to the useless pot of subsequent convection current is reduced, while the water-cooling wall in cyclone dust collectors can be further
It exchanges heat to synthesis gas, the synthesis gas after last dedusting resupplies in the useless pot of convection current and carries out recuperation of heat, obtains the conjunction of high-quality
At gas.The same of crude synthesis gas Exposure degree efficiency can improved using the full recovery system of coal gasification waste heat of the application as a result,
The quality of Shi Tigao synthesis gas.
In addition, can also be had according to the full recovery system of coal gasification waste heat of the utility model above-described embodiment following additional
Technical characteristic:
Optional, the multiple long water-cooling screen and the multiple short water-cooling screen are along gas slag channel circumferential direction transpostion interval point
Cloth.Thus, it is possible to improve the Exposure degree efficiency of the full recovery system of coal gasification waste heat.
Optional, the 1-2 short water-cooling screens are arranged between long water-cooling screen described in each adjacent two.Thus, it is possible into one
Step improves the Exposure degree efficiency of the full recovery system of coal gasification waste heat.
Optional, per the adjacent long water-cooling screen between the short water-cooling screen or per two adjacent short cold water
Angle between screen is 15-45 degree.Thus, it is possible to further increase the Exposure degree effect of the full recovery system of coal gasification waste heat
Rate.
Optional, the total number of the long water-cooling screen and the short water-cooling screen is 8-24.Thus, it is possible to further increase
The Exposure degree efficiency of the full recovery system of coal gasification waste heat.
Optional, each long water-cooling screen has 6-15 root water cooling tube.Thus, it is possible to further increase the Exposure degree
The Exposure degree efficiency of device.
Optional, each short water-cooling screen has 3-6 root water cooling tube.Thus, it is possible to which it is useless to further increase the coal gasification
The Exposure degree efficiency of hot full recovery system.
Optional, the long water-cooling screen is connected with second water-cooling wall by fin, and the width of the long water-cooling screen is
The 1/11-1/4 of the gas slag channel radius.Thus, it is possible to which the sensible heat for further increasing the full recovery system of coal gasification waste heat returns
It produces effects rate.
Optional, the short water-cooling screen is connected with second water-cooling wall by fin, and the width of the short water-cooling screen is
The 2/35-1/11 of the gas slag channel radius.Thus, it is possible to which the sensible heat for further increasing the full recovery system of coal gasification waste heat returns
It produces effects rate.
Optional, the crude synthesis gas import is exported with the crude synthesis gas to be connected by duct type water cooling connecting tube.By
This, can be further improved the Exposure degree efficiency of the full recovery system of coal gasification waste heat.
Optional, gas import is connected with gas outlet after the dedusting by duct type water cooling connecting tube after the dedusting.By
This, can be further improved the Exposure degree efficiency of the full recovery system of coal gasification waste heat.
Optional, 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 increase the coal
The Exposure degree efficiency for the full recovery system of waste heat that gasifies.
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 schematic diagram according to the full recovery system of coal gasification waste heat of the utility model one embodiment；
Fig. 2 is the A-A water of radiation waste pot in the full recovery system of coal gasification waste heat according to the utility model one embodiment
Plane section top view.
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 full recovery systems of coal gasification waste heat.According to
The embodiments of the present invention, with reference to Fig. 1, which includes the useless pot 300 of gasification furnace 100, cyclone dust collectors 200 and convection current.
One embodiment according to the present utility model, with reference to Fig. 1, gasification furnace 100 includes shell 11, the first water-cooling wall
12, burner 13, vaporizer slag notch 101, radiation waste pot 14 and deslagging pond 15, wherein the first water-cooling wall 12 is located in shell 11
And gasification chamber 10 being limited, and the bottom crimp of gasification chamber 10 forms slag notch 101, burner 13 is located at the top of shell 11
Portion, and be suitable for by burner feeding pulverized coal, oxygen and steam into gasification chamber 10 fine coal full combustion being gasified
To high-temperature synthesis gas, the crude synthesis gas being advanced under high-temperature synthesis gas through deslagging pond upper portion side wall after radiation waste pot is exchanged heat goes out
Mouth discharge.Specifically, there are distances between the first water-cooling wall 12 and shell 11, so as to avoid height of the shell by gasification chamber
Warm radiation damage, while gasification chamber indoor temperature can be properly increased under the premise of in order to improve gasification efficiency in gasification chamber
It spends, 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 14 includes the second water-cooling wall 16 and water cooling
Screen group 17.
A specific example according to the present utility model, with reference to Fig. 1, the second water-cooling wall 16 is located in radiation waste pot 14 and limits
Gas slag channel 18 is made, and the upper end in gas slag channel 18 is connected with slag notch 101.Specifically, the high temperature obtained in gasification furnace
Crude synthesis gas is advanced into radiation waste pot and is exchanged heat with the second water-cooling wall under slag notch, to realize returning for crude synthesis gas sensible heat
It receives.
Another specific embodiment according to the present utility model, with reference to Fig. 1 and 2, water-cooling screen group 17 includes multiple long water coolings
Screen 171 and multiple short water-cooling screens 172, multiple long water-cooling screens 171 and multiple short water-cooling screens 172 are located in gas slag channel 18 and along gas
Slag channel 18 is circumferentially distributed, and each long water-cooling screen 171 and each short water-cooling screen 172 are from the second water-cooling wall 16 to gas slag channel 18
Central axis direction extends.Obviously, the utility model includes multiple length by being arranged in the gas slag channel that the second water-cooling wall is formed
The water-cooling screen group of water-cooling screen and multiple short water-cooling screens, the setting of more common water-cooling screen significantly improve heat exchange area, Exposure degree
More thoroughly, it and will not result in blockage to gas slag channel.
A specific example according to the present utility model, with reference to Fig. 2, multiple long water-cooling screens 171 and multiple short water-cooling screens 172
Intersect in 18 circumferential direction of gas slag channel and is spaced apart.Specifically, it can use short water-cooling screen 172 for two or more long water coolings
Screen 171 is spaced apart, and then can be arranged closely to avoid multiple long water-cooling screens 171, and fouling and slagging, blocking radiation waste pot are be easy to cause
Gas slag channel influences equipment operation.Furthermore it is also possible to using short water-cooling screen 172 fill up two or more long water-cooling screens 171 it
Between gap, and then will not also result in blockage to gas slag channel while effectively improving heat exchange area.Preferably, each adjacent two
1-2 short water-cooling screens 172 are arranged between long water-cooling screen 171.Inventors have found that taking this water-cooling screen set-up mode, Ke Yi
Enhanced Radiation Reduced Blast give up pot heat exchange area while, effectively avoid dust stratification inside radiation waste pot from blocking up slag phenomenon, normally drive in equipment
In the case where, the heat exchange efficiency of maximum lifting system.Specific embodiment according to the present utility model, it is preferable that such as Fig. 2 institute
Show, 1 short water-cooling screen 172 is arranged between the long water-cooling screen 171 of each adjacent two.And multiple long water-cooling screens 171 and multiple short water
It can be uniformly distributed in 18 circumferential direction of gas slag channel between cold screen 172, and then heat exchange uniformity and radiation waste pot can be improved
Structural stability.
The total number of another specific example according to the present utility model, long water-cooling screen 171 and short water-cooling screen 172 is 8-24
It is a.Specifically it can suitably be increased and decreased according to 18 space size of gas slag channel in the second water-cooling wall 16.But long water-cooling screen 171 and short water
The total number of cold screen 172 should not be excessive or very few, if very few meeting wasting space reduces heat exchange area, and then Exposure degree is imitated
Rate is low；Gas slag channel 18 can be made into if excessive to be excessively narrow, and then be likely to result in slag blocking and wall built-up, seriously affected
Equipment operation.
Another specific example according to the present utility model, in order to avoid 18 spaces of gas slag channel are big in the second water-cooling wall 16
The small setting several on long water-cooling screen 171 and short water-cooling screen 172 influences, as shown in Fig. 2, by every adjacent 171 He of long water-cooling screen
Angle α between short water-cooling screen 172 or per adjacent two short water-cooling screen 172 is 15-45 degree, and then can be more square
Just the total number setting of water-cooling screen in water-cooling screen group 17 is determined.It especially can effectively keep long water-cooling screen 171 in water-cooling screen group 17
With the distribution density of short water-cooling screen 172 so that water-cooling screen group 17 reaches maximum heat exchange area and best heat transfer effect.In addition, hair
Bright people also found, 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, into
And heat exchange efficiency is improved, save cost.
Another specific example according to the present utility model, each long water-cooling screen 171 have 6-15 root water cooling tube.Thus may be used
To effectively improve heat exchange area.And the water pipe number of long water-cooling screen 171 can also be according to long water-cooling screen 171 by the second water-cooling wall
16 do not cause slag blocking, wall built-up to the width that 18 center position of gas slag channel extends and have subject to certain operating space.Tool
Body, as shown in Fig. 2, long water-cooling screen 171 is connected with the second water-cooling wall 16 by fin (not shown), the width of long water-cooling screen 171
Spend the 1/11-1/4 that L1 is 18 radius R of gas slag channel.It is possible thereby to not will cause dust stratification while guaranteeing maximum heat exchange area
Slagging, blocking radiation waste pot channel.
Another specific example according to the present utility model, each short water-cooling screen 172 have 3-6 root water cooling tube.Thus may be used
Effectively to make up gap between two long water-cooling screen 171, and then heat exchange area is improved to the maximum extent.And short water-cooling screen 172
Width from the second water-cooling wall 16 to the center position in gas slag channel 18 that can also be extended according to short water-cooling screen 172 from of water pipe radical
Slag blocking, wall built-up are not caused and are had subject to certain operating space.Specifically, as shown in Fig. 2, short water-cooling screen 172 and second
Water-cooling wall 16 is connected by fin (not shown), and the width L2 of short water-cooling screen 172 is the 2/35-1/11 of 18 radius R of gas slag channel.
It is possible thereby to not will cause slag blocking and wall built-up while guaranteeing maximum heat exchange area.
Another embodiment according to the present utility model, with reference to Fig. 1, the lower header 161 of the second water-cooling wall 16 and each length
The lower header 173 of water-cooling screen 171, each short water-cooling screen 172 lower header 174 be connected and with pass through 14 lower part of radiation waste pot it is cold
But water water inlet pipe 175 is connected；It is the upper collecting chamber 176 of the upper collecting chamber 162 of second water-cooling wall 16 and each long water-cooling screen 171, each
The upper collecting chamber 177 of short water-cooling screen 172 is connected and is connected with the cooling water outlet pipe 178 for passing through 14 top of radiation waste pot.
Another embodiment according to the present utility model, with reference to Fig. 1, deslagging pond 15 is connected with the lower end of radiation waste pot 14,
The upper portion side wall in deslagging pond 14 has crude synthesis gas outlet 102, and bottom has slag-drip opening 103.Specifically, pot heat exchange of giving up via radiation
It is advanced into deslagging pond under synthesis gas afterwards, entrained part lime-ash falls under gravity to deslagging pond in synthesis gas, and gas
Body is exported through crude synthesis gas and is discharged.
Another embodiment according to the present utility model is equipped with third water-cooling wall 21 in cyclone dust collectors 200 with reference to Fig. 1,
And cyclone dust collectors 200 have gas outlet 202 and ash discharging hole 203 after crude synthesis gas import 201, dedusting, crude synthesis gas import
201 are connected with crude synthesis gas outlet 102, and are suitable for that cyclonic separation will be carried out through the crude synthesis gas that deslagging pond is discharged.Invention human hair
It is existing, it not only can be improved the Exposure degree efficiency of synthesis gas by arranging third water-cooling wall in cyclone dust collectors, but also can be with
The service life of cyclone dust collectors is improved, while after cyclone dust collectors are handled, flying dust entrained by crude synthesis gas is separated, and is subtracted
Small ash particle gives up the abrasion of pot to subsequent convection current, and improves the quality of synthesis gas.A tool according to the present utility model
Body embodiment, with reference to Fig. 1, crude synthesis gas import 201 is connected with crude synthesis gas outlet 102 by duct type water cooling connecting tube 400.
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, with reference to Fig. 1, convection current is given up, and pot 300 is interior to be equipped with water cooling tube 31, and right
Flowing useless pot 300 has gas import 301, syngas outlet 302 and ash hole 303 after dedusting, after dedusting after gas import 301 and dedusting
Gas outlet 202 is connected, and is suitable for further exchanging heat to the synthesis gas after cyclone dust collectors dust-collecting and heat exchanging, realizes synthesis gas sensible heat
Abundant recycling, obtain the synthesis gas for meeting temperature requirement.A specific embodiment according to the present utility model, after dedusting gas into
Mouth 301 is connected with gas outlet 202 after dedusting by duct type water cooling connecting tube 400.Further avoiding synthesis gas sensible heat as a result,
The abundant recycling of synthesis gas sensible heat is realized while loss.The water cooling tube being arranged in pot specifically, convection current is given up is snakelike water cooling tube.
According to the full recovery system of coal gasification waste heat of the utility model embodiment by the way that radiation waste is arranged below gasification furnace
Pot, so that the high-temperature synthesis gas that vaporizer obtains is directly entered in radiation waste pot, and the water-cooling wall restriction in radiation waste pot
The water-cooling screen group being made of multiple long water-cooling screens and multiple short water-cooling screens is set in gas slag channel, more existing common water-cooling screen
Setting significantly improves heat exchange area, and does not easily lead to the blocking in gas slag channel, while will obtain through deslagging pond side wall thick
Synthesis gas supply to in water-cooling wall cyclone dust collectors carry out cyclonic separation processing so that flying dust quilt entrained by crude synthesis gas
Separation, and abrasion of the ash particle to the useless pot of subsequent convection current is reduced, while the water-cooling wall in cyclone dust collectors can be further
It exchanges heat to synthesis gas, the synthesis gas after last dedusting resupplies in the useless pot of convection current and carries out recuperation of heat, obtains the conjunction of high-quality
At gas.The same of crude synthesis gas Exposure degree efficiency can improved using the full recovery system of coal gasification waste heat of the application as a result,
The quality of Shi Tigao synthesis gas.
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 (12)
1. a kind of full recovery system of coal gasification waste heat characterized by comprising
Gasification furnace, the gasification furnace include:
Shell；
First water-cooling wall, first water-cooling wall are located in the shell and limit gasification chamber, the gasification chamber bottom
Contraction forms slag notch；
Burner, the burner are located at the top of the shell；
Radiation waste pot, the radiation waste pot include:
Second water-cooling wall, second water-cooling wall are located in the radiation waste pot and limit outlet slag channel, gas slag channel
Upper end be connected with the slag notch；
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 is located in gas slag channel and circumferentially distributed, each long water-cooling screen and each short water cooling
Screen is extended from second water-cooling wall to Qi Zha channel center axis direction；
Deslagging pond, the deslagging pond are connected with radiation waste pot lower end, and the upper portion side wall in the deslagging pond has crude synthesis gas
Outlet, bottom have slag-drip opening；
Cyclone dust collectors, the cyclone dust collectors are interior to be equipped with third water-cooling wall, and the cyclone dust collectors have crude synthesis gas
Gas outlet and ash discharging hole, the crude synthesis gas import are connected with crude synthesis gas outlet after import, dedusting；
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 gas import, synthesis gas after dedusting
Outlet and ash hole, gas import is connected with gas outlet after the dedusting after the dedusting.
2. system according to claim 1, which is characterized in that the multiple long water-cooling screen and the multiple short water-cooling screen edge
The distribution of gas slag channel circumferential direction transpostion interval.
3. system according to claim 2, which is characterized in that arrange 1-2 between long water-cooling screen described in each adjacent two
The short water-cooling screen.
4. system according to claim 2, which is characterized in that per the adjacent long water-cooling screen between the short water-cooling screen
Or the angle between every two adjacent short water-cooling screens is 15-45 degree.
5. system according to claim 1, which is characterized in that the total number of the long water-cooling screen and the short water-cooling screen is
8-24.
6. system according to claim 1, which is characterized in that each long water-cooling screen has 6-15 root water cooling tube.
7. system according to claim 1, which is characterized in that each short water-cooling screen has 3-6 root water cooling tube.
8. system according to claim 1, which is characterized in that the long water-cooling screen and second water-cooling wall pass through fin
It is connected, the width of the long water-cooling screen is the 1/11-1/4 of the gas slag channel radius.
9. system according to claim 1, which is characterized in that the short water-cooling screen and second water-cooling wall pass through fin
It is connected, the width of the short water-cooling screen is the 2/35-1/11 of the gas slag channel radius.
10. system according to claim 1, which is characterized in that the crude synthesis gas import and the crude synthesis gas export
It is connected by duct type water cooling connecting tube.
11. system according to claim 1, which is characterized in that gas import is exported with gas after the dedusting after the dedusting
It is connected by duct type water cooling connecting tube.
12. 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
Cold pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905940.5U CN209481592U (en) | 2018-11-19 | 2018-11-19 | The full recovery system of coal gasification waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905940.5U CN209481592U (en) | 2018-11-19 | 2018-11-19 | The full recovery system of coal gasification waste heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209481592U true CN209481592U (en) | 2019-10-11 |
Family
ID=68116109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821905940.5U Active CN209481592U (en) | 2018-11-19 | 2018-11-19 | The full recovery system of coal gasification waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209481592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504465A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | The full recovery system of coal gasification waste heat |
-
2018
- 2018-11-19 CN CN201821905940.5U patent/CN209481592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504465A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | The full recovery system of coal gasification waste heat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102786992B (en) | Radiation heat-convection integrated synthesis gas cooler | |
| CN209481583U (en) | The gasification system of high-temperature synthesis gas total heat recovery | |
| CN209481592U (en) | The full recovery system of coal gasification waste heat | |
| CN208586256U (en) | A kind of gasification furnace with radiation heat transfer | |
| CN108753370A (en) | A kind of manifold type gasification system and method | |
| CN209397167U (en) | Radiation waste pot heat recovery apparatus with Quench | |
| CN209383718U (en) | The full recovery system of coal gasification waste heat | |
| CN209481591U (en) | Recycle the gasification system of high-temperature synthesis gas heat | |
| CN109504451A (en) | The full recovery system of multiinjector waste heat | |
| CN209383719U (en) | The full recovery system of coal gasification waste heat | |
| CN209481593U (en) | The full recovery system of coal gasification waste heat | |
| CN209383714U (en) | The full recovery system of multiinjector waste heat | |
| CN209481597U (en) | Radiation waste pot Quench integration heat recovery apparatus | |
| CN109504464A (en) | Radiation waste pot heat recovering device with soot blowing | |
| CN209481595U (en) | Radiation waste pot heat recovering device with soot blowing | |
| CN109340727A (en) | Radiation and convection integrated steam generating device | |
| CN109504461A (en) | Recycle the gasification system of high-temperature synthesis gas heat | |
| CN106196015A (en) | A kind of biological particles half gasification, and combustion head | |
| CN209481596U (en) | Radiation waste pot Quench integral type heat recovering device | |
| CN109504465A (en) | The full recovery system of coal gasification waste heat | |
| CN109504446A (en) | Gasification furnace | |
| CN209481584U (en) | Multi nozzle of gasification furnace with recuperation of heat | |
| CN209481585U (en) | Multi nozzle of gasification furnace with recuperation of heat | |
| CN109504452A (en) | The gasification system of high-temperature synthesis gas total heat recovery | |
| CN209481590U (en) | Radiation waste pot heat recovering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |