CN209481593U - The full recovery system of coal gasification waste heat - Google Patents
The full recovery system of coal gasification waste heat Download PDFInfo
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- CN209481593U CN209481593U CN201821906062.9U CN201821906062U CN209481593U CN 209481593 U CN209481593 U CN 209481593U CN 201821906062 U CN201821906062 U CN 201821906062U CN 209481593 U CN209481593 U CN 209481593U
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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
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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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses the full recovery systems of coal gasification waste heat, comprising: gasification furnace and convection current with radiation waste pot give up pot, wherein gasification furnace includes gasification furnace upper housing, vaporizer water-cooling wall, burner, radiation waste pot and deslagging pond.Burner includes overhead burner and side burner；Radiation waste pot includes: radiation waste shell body, the first water-cooling wall, first group of water-cooling screen, the second water-cooling wall and second group of water-cooling screen, wherein the first water-cooling wall is arranged in radiation waste shell body and forms synthesis gas down going channel；First group of water-cooling screen is arranged in synthesis gas down going channel；Second water-cooling wall is set in outside the first water-cooling wall and forms synthesis gas data feedback channel between the first water-cooling wall；Second group of water-cooling screen is arranged in synthesis gas rising passway；The useless pot of convection current is connected with the outlet of the crude synthesis gas of radiation waste pot.The full recovery system of coal gasification waste heat has the advantages that capacity usage ratio is high, efficiency of carbon con version is high, heat exchange area is big, Exposure degree is high-efficient, effectively radiation waste pot is avoided to block up slag.
Description
Technical field
The utility model belongs to field of boilers, specifically, the utility model relates to the full recovery systems of coal gasification waste heat.
Background technique
A kind of gasification furnace with radiation waste pot can digest high-sulfur, high ash, high-ash-fusion coal, realize feed coal local
Change, solve Shanxi " three high " coal gasification problem, also provides new method, new hand for the comprehensive utilization of national " three high " coal, gasification
Section；Traditional coal chemical industry is transformed to Shanxi Province and develops the New type coals such as natural gas from coal, coal oil, coal-to-olefin, coal-ethylene glycol
Chemical industry is of great significance.And passed through in equipment running process by the way that radiation waste Pot devices are arranged inside gasification furnace
The modes such as high temperature and pressure synthesis gas heat, by-product high temperature and high pressure steam are recycled, fuel consumption is saved, improve energy conversion efficiency,
To reduce the operating cost of equipment entirety.However existing radiation waste Pot devices are low etc. there are heat exchange area and heat exchange efficiency
Problem, it is therefore desirable to be further improved.
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 that one kind is high with capacity usage ratio, efficiency of carbon con version is high, heat exchange area is big, Exposure degree is imitated with a novel purpose
The full recovery system of coal gasification waste heat for the advantages that rate is high.
One aspect according to the present utility model, the utility model proposes a kind of full recovery system of coal gasification waste heat, roots
According to the embodiments of the present invention, which includes:
Gasification furnace, the gasification furnace include:
Gasification furnace upper housing, the gasification furnace upper housing is interior and limits vaporizer, the bottom of the gasification furnace upper housing
Contraction forms slag notch；
Gasifier water-cooling wall, the gasifier water-cooling wall are arranged in the vaporizer；
Overhead burner, the overhead burner are arranged on the top of the gasification furnace upper housing and are suitable for the vaporizer
Interior injection dried coal powder, oxygen and steam or water-coal-slurry and oxygen；
Side burner, the side burner are arranged on the side wall of the gasification furnace upper housing and are suitable for the vaporizer
Interior injection dried coal powder, oxygen and steam or water-coal-slurry and oxygen；
Radiation waste pot, the radiation waste pot include:
The top of radiation waste shell body, the radiation waste shell body is connect with gasification furnace upper housing, the radiation waste shell
The top of body is exported with crude synthesis gas；
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；
First group of water-cooling screen, first group of water-cooling screen include multiple first water-cooling screens, and the multiple first water-cooling screen is set
Set in the synthesis gas down going channel and circumferentially distributed, each first water-cooling screen is from first water-cooling wall to institute
State the extension of synthesis gas down going channel central axis direction；
Second water-cooling wall, second water-cooling wall are set on 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；
Second group of water-cooling screen, second group of water-cooling screen include multiple second water-cooling screens, and the multiple second water-cooling screen is set
It sets in the synthesis gas rising passway；
Wherein, the lower header of first water-cooling wall, the lower header of each first water-cooling screen, second water-cooling wall
Lower header and each second water-cooling screen lower header be connected and with pass through radiation waste pot lower part of the housing cooling water
Water inlet pipe is connected；
The upper collecting chamber of first water-cooling wall, the upper collecting chamber of each first water-cooling screen, second water-cooling wall it is upper
The upper collecting chamber of header and each second water-cooling screen is connected and is discharged with the cooling water for passing through radiation waste pot upper part of the housing
Pipe is connected,
The lower section of the radiation waste pot is arranged in deslagging pond, the deslagging pond, and the bottom in the deslagging pond has slag-drip opening；
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 crude synthesis gas import, closes
At gas outlet and ash hole, the crude synthesis gas import is connected with crude synthesis gas outlet.
The full recovery system of coal gasification waste heat of the utility model above-described embodiment is gasifying firstly for gasification furnace as a result,
It is respectively provided with overhead burner and side burner on the roof and side wall of furnace, and then can be burnt simultaneously using overhead burner and side
Mouth sprays dried coal powder, oxygen and steam or water-coal-slurry and oxygen into vaporizer.And due to overhead burner and side burner
Positional relationship, can make the dried coal powder, oxygen and the steam that spray into or water-coal-slurry and oxygen that can hit in vaporizer
Hit, improve the indoor percussion flow of gasification, increase the mixed effect of raw material so that coal can full combustion gasification, into one
Step improves the efficiency of carbon con version of coal.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 the first water-cooling screen and the second water-cooling screen are being set between the first water-cooling wall and the second water-cooling wall in the first water-cooling wall respectively, make
It obtains synthesis gas to initially enter in synthesis gas down going channel with the first water-cooling wall and the heat exchange of the first water-cooling screen, enters back into synthesis gas later
It exchanges heat in rising passway with the second water-cooling wall and the second water-cooling screen, is finally discharged.Therefore, the coal of the utility model above-described embodiment
The full recovery system of waste heat that gasifies effectively extends synthesis gas heat exchanger channels by increasing the second water-cooling wall and the second water-cooling screen,
And heat exchange area is further increased, to significantly improve synthesis gas Exposure degree efficiency.Finally, crude synthesis gas resupplies pair
It flows in useless pot and carries out recuperation of heat, can be further improved Exposure degree rate.It is recycled entirely using the coal gasification waste heat of the application as a result,
System has the advantages that capacity usage ratio is high, efficiency of carbon con version is high, heat exchange area is big, Exposure degree rate is high.
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:
In the present invention, the side burner sprays in the horizontal direction.
In the present invention, the vertical distance of the side burner and the overhead burner is 0.1-0.5D, and wherein D is
The internal diameter of the shell.
In the present invention, the multiple first water-cooling screen is 8-24.
In the present invention, the angle between the first water-cooling screen described in each adjacent two is that (it is suitable to provide for 15-45 degree
Range).
In the present invention, first water-cooling screen is connected with first water-cooling wall by fin, first water
The width of cold screen is the 1/9-1/4 of the synthesis gas down going channel radius.
In the present invention, the multiple second water-cooling screen is 8-24.
In the present invention, each second water-cooling screen is in the same plane with first water-cooling screen.
In the present invention, the distance between second water-cooling wall and first water-cooling wall are radiation waste drum body
1/10-1/8.
In the present invention, second water-cooling screen is connected with second water-cooling wall by fin, second water
The width of cold screen is the distance between second water-cooling wall and first water-cooling wall 4/15-1/2.
Detailed description of the invention
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, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
One aspect according to the present utility model, the coal gasification waste heat that the utility model implementation is described below in detail recycle entirely
System, specific embodiment according to the present utility model, as shown in Figure 1, the full recovery system of coal gasification waste heat includes: gasification furnace 1000
It gives up pot 2000 with convection current.
Specifically, with reference to Fig. 1, gasification furnace 1000 includes: gasification furnace upper housing 100, gasifier water-cooling wall 200, overhead burner
300 and side burner 400, radiation waste pot 500 and deslagging 600.
Wherein, gasification furnace upper housing 100 is interior and limits vaporizer 110, the bottom crimp of the gasification furnace upper housing 100
Form slag notch 120；Gasifier water-cooling wall 200 is arranged in the vaporizer 110；Overhead burner 300 is arranged in the gasification
On the top of furnace upper housing 100 and it is suitable for spraying dried coal powder, oxygen and steam or water-coal-slurry and oxygen into the vaporizer 110
Gas；Side burner 400 is arranged on the side wall of the gasification furnace upper housing 100 and is suitable for spraying into the vaporizer 110 dry
Fine coal, oxygen and steam or water-coal-slurry and oxygen.
Therefore, the utility model on the roof and side wall of gasification furnace 1000 by being respectively set overhead burner 300 and side
Burner 400 is set, and then fine coal, oxygen can be sprayed into vaporizer 110 using overhead burner 300 and side burner 400 simultaneously
With steam or water-coal-slurry and oxygen.And due to the positional relationship of overhead burner 300 and side burner 400, can to spray
Fine coal, oxygen and the steam or water-coal-slurry and oxygen entered can be hit in vaporizer, improve the indoor shock of gasification
Stream increase fine coal and oxygen and steam or water-coal-slurry and oxygen mixed effect so that coal can full combustion gasify,
Further increase the efficiency of carbon con version of coal.
Specific embodiment according to the present utility model, overhead burner 300 are arranged in the top of gasification furnace upper housing 100 and fit
Fine coal, oxygen and steam or water-coal-slurry and oxygen are penetrated in burning to vaporizer 110.Specifically, it is arranged a little in overhead burner 300
Lighted torch.And then effectively realize igniting.
Preferably, side burner 400 includes at least two, and two side burners 400 or multiple side burners 400
Be arranged in the same level of gasification furnace upper housing 100, and circumferentially on be uniformly distributed.And then it can guarantee the object sprayed into
Material can effectively be hit, and increased the mixed effect of fine coal and oxygen and steam or water-coal-slurry and oxygen, improved the carbon conversion of coal
Rate.
Specific example according to the present utility model, side burner 400 spray in the horizontal direction.And then penetrating can be made
There is material biggish impact force to reach best mixed effect so that material is adequately dispersed, and improve the carbon conversion of coal
Rate further improves capacity usage ratio.
Specific example according to the present utility model, side burner 400 and the vertical distance H of overhead burner 300 can be
0.1-0.5D, D refer to the internal diameter of gasification furnace upper housing 100.Specifically, which can refer to side burner 400 and overhead
Distance at the jet exit center of burner 300 is in the distance range.Residence time of the material in furnace is increased as a result,
Turbulence intensity in furnace is increased simultaneously, keeps material Combination preferable.
Another embodiment according to the present utility model, with reference to Fig. 1, radiation waste pot 500 includes: radiation waste shell body
510,520, first groups of water-cooling screens 530 of the first water-cooling wall, the second water-cooling wall 540 and second group of water-cooling screen 550.
Wherein, the top of radiation waste shell body 510 is connect with gasification furnace upper housing 100, the radiation waste shell body 510
Top has crude synthesis gas outlet 511；First water-cooling wall 520 is arranged in the radiation waste shell body 510, first water cooling
Wall 520 forms synthesis gas down going channel 521；First group of water-cooling screen 530 includes multiple first water-cooling screens 531, multiple first water coolings
Screen setting is in the synthesis gas down going channel 521 and circumferentially distributed, and each first water-cooling screen 531 is by described first
Water-cooling wall 520 extends to 521 central axis direction of synthesis gas down going channel；Second water-cooling wall 540 is set in first water
520 outside of cold wall, and be formed with and be connected under the synthesis gas between second water-cooling wall 540 and first water-cooling wall 520
The synthesis gas data feedback channel 541 of row of channels 521 and crude synthesis gas outlet 511；Second group of water-cooling screen 550 includes multiple second
Water-cooling screen 551, the multiple second water-cooling screen 551 are arranged 541 in the synthesis gas rising passway；Wherein, first water
The lower header of cold wall 520, the lower header of each first water-cooling screen 531, the lower header of second water-cooling wall 540 and each
The lower header of second water-cooling screen 551 be connected and with the cooling water inlet pipe phase that passes through 510 lower part of radiation waste shell body
Connection；The upper collecting chamber of first water-cooling wall 520, the upper collecting chamber of each first water-cooling screen 531, second water-cooling wall
The upper collecting chamber of 540 upper collecting chamber and each second water-cooling screen 551 be connected and with pass through 510 top of radiation waste shell body
Cooling water outlet pipe be connected.
The full recovery system of coal gasification waste heat of the utility model above-described embodiment as a result, has in radiation waste pot 500 by the
The double-cylinder type water-cooling wall of one water-cooling wall 520 and the second water-cooling wall 540 composition, and respectively in the first water-cooling wall 520 and the first water
First water-cooling screen 531 and the second water-cooling screen 551 are set between cold wall 520 and the second water-cooling wall 540, synthesis gas is made to initially enter conjunction
It exchanges heat in gas down going channel 521 with the first water-cooling wall 520 and the first water-cooling screen 531, enters back into synthesis gas rising passway later
It exchanges heat in 541 with the second water-cooling wall 540 and the second water-cooling screen 551, is finally discharged.Therefore, the utility model above-described embodiment
The full recovery system of coal gasification waste heat effectively extends synthesis gas and changes by increasing the second water-cooling wall 540 and the second water-cooling screen 551
The passage of heat, and heat exchange area is further increased, to significantly improve synthesis gas Exposure degree efficiency.
Specific embodiment according to the present utility model, multiple first water-cooling screens 531 are arranged in synthesis gas down going channel 521
And it is circumferentially distributed.Specifically, multiple first water-cooling screens 531 can be uniformly distributed, and then heat exchange uniformity and spoke can be improved
Penetrate the structural stability of useless pot 500.
In addition, the number of the first water-cooling screen can be 8-24, it specifically can be suitable according to space size in the first water-cooling wall
Work as increase and decrease.But the number of the first water-cooling screen is also unsuitable excessive or very few, if very few meeting wasting space reduces heat exchange area,
And then Exposure degree low efficiency；Synthesis gas down going channel 521 can be made into if excessive to be excessively narrow, and then be likely to result in
Fouling and slagging, blocking radiation waste pot channel, seriously affect equipment operation.
Specific embodiment according to the present utility model, inventor in order to avoid in the first water-cooling wall space size to the first water
The setting of cold screen number influences, inventors have found that as shown in Fig. 2, the angle α between the first water-cooling screen of each adjacent two is arranged
For 15-45 degree, and then can be arranged with the number of more convenient the first water-cooling screen of determination.And it can by the way that above-mentioned angular range is arranged
With and by control the first water-cooling screen of each adjacent two between angle be that 15-45 degree can also effectively keep the first water-cooling screen
Distribution density, so that first group of water-cooling screen 530 is reached maximum heat exchange area and best heat transfer effect.In addition, inventor also found,
Make the angle 15-45 degree between the first water-cooling screen of each adjacent two that can also avoid slag blocking and wall built-up, and then improves and change
The thermal efficiency saves cost.
Specific embodiment according to the present utility model, each first water-cooling screen 531 have 6-15 root water cooling tube.It is possible thereby to
Effectively improve heat exchange area.And the water pipe radical of the first water-cooling screen can also according to the first water-cooling screen 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.
Specific embodiment according to the present utility model, as shown in Fig. 2, the first water-cooling screen 531 passes through with the first water-cooling wall 520
Fin is connected, and the width L1 of the first water-cooling screen 531 is the 1/9-1/4 of 521 radius R of synthesis gas down going channel.It is possible thereby to protecting
While demonstrate,proving maximum heat exchange area, fouling and slagging, blocking radiation waste pot channel not will cause.Specific reality according to the present utility model
Apply example, after synthesis gas is passed through and is exchanged heat by synthesis gas down going channel 521, into synthesis gas rising passway 541 in multiple
Two water-cooling screens 551 exchange heat.Specifically, the number of the second water-cooling screen 551 in synthesis gas rising passway 541 can be
8-24, it is possible thereby to further increase heat exchange area, improve Exposure degree efficiency.
Preferably, the number of the second water-cooling screen 551 can be identical as the number of the first water-cooling screen 531.Specifically, Mei Ge
Two water-cooling screens 551 are in the same plane with first water-cooling screen 531.It is possible thereby to guarantee that synthesis gas passes through, simultaneously
Guarantee that the center of gravity of radiation waste pot 500 is placed in the middle, structure is more stable.
Specific embodiment according to the present utility model, each second water-cooling screen 551 have 2-4 root water cooling tube.It specifically can be with
It is increased and decreased according to the width of synthesis gas data feedback channel 541.And then further increase heat exchange area so that synthesis gas obtain it is secondary
Exposure degree improves comprehensive Exposure degree rate.
Specifically, as shown in Fig. 2, the width of synthesis gas rising passway 541 is by the first water-cooling wall 520 and the second water-cooling wall
The distance between 540 H are determined.Specific example according to the present utility model, between the first water-cooling wall 520 and the second water-cooling wall away from
From the 1/10-1/8 that H can be radiation waste drum body radius.It is possible thereby to guarantee being smoothly discharged for synthesis gas, if synthesis gas rises
The width in channel 541 is too small, then synthesis gas can not be smoothly discharged, and synthesis gas decline passway water-cooling screen pipe number will subtract if excessive
It is few, heat exchange efficiency is influenced, and decline passway is easy slagging.Specific embodiment according to the present utility model, the second water-cooling screen 551 with
Second water-cooling wall 540 is connected by fin, and the width L2 of the second water-cooling screen 551 is the second water-cooling wall 540 and the first water-cooling wall 520
The distance between H 4/15-1/2.
The lower section of radiation waste pot 500, deslagging pond is arranged in further embodiment according to the present utility model, deslagging pond 600
600 bottom has slag-drip opening 610.Therefore, the crude synthesis gas after the pot 500 that gives up via radiation exchanges heat exports 511 rows by crude synthesis gas
Out, part lime-ash entrained in crude synthesis gas falls under gravity to deslagging pond 600.
Further embodiment according to the present utility model, convection current is given up, and pot 2000 is interior to be equipped with water cooling tube 2100, and described right
Flowing useless pot 2000 has crude synthesis gas import 2200, syngas outlet 2300 and ash hole 2400, the crude synthesis gas import
2200 are connected with crude synthesis gas outlet 511.Crude synthesis gas can further be changed from there through setting convection current useless pot 2000
Heat realizes the abundant recycling of synthesis gas sensible heat, obtains the synthesis gas for meeting temperature requirement.One according to the present utility model specific
Embodiment, crude synthesis gas import 2200 can be connected with crude synthesis gas outlet 511 by duct type water cooling connecting tube 2500.By
This, realizes the abundant recycling of synthesis gas sensible heat while further avoiding synthesis gas sensible heat loss.Specifically, convection current is given up in pot
The water cooling tube of setting can be snakelike water cooling tube.It is possible thereby to further increase Exposure degree efficiency.
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
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
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 (10)
1. a kind of full recovery system of coal gasification waste heat characterized by comprising
Gasification furnace, the gasification furnace include:
Gasification furnace upper housing, the gasification furnace upper housing is interior and limits vaporizer, the bottom crimp of the gasification furnace upper housing
Form slag notch；
Gasifier water-cooling wall, the gasifier water-cooling wall are arranged in the vaporizer；
Overhead burner, the overhead burner are arranged on the top of the gasification furnace upper housing and are suitable for spraying into the vaporizer
Blackberry lily fine coal, oxygen and steam or water-coal-slurry and oxygen；
Side burner, the side burner are arranged on the side wall of the gasification furnace upper housing and are suitable for spraying into the vaporizer
Blackberry lily fine coal, oxygen and steam or water-coal-slurry and oxygen；
Radiation waste pot, the radiation waste pot include:
The top of radiation waste shell body, the radiation waste shell body is connect with gasification furnace upper housing, the radiation waste shell body
Top is exported with crude synthesis gas；
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；
First group of water-cooling screen, first group of water-cooling screen include multiple first water-cooling screens, and the multiple first water-cooling screen setting exists
In the synthesis gas down going channel and circumferentially distributed, each first water-cooling screen is from first water-cooling wall to the conjunction
Extend at gas down going channel central axis direction；
Second water-cooling wall, second water-cooling wall are set on 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；
Second group of water-cooling screen, second group of water-cooling screen include multiple second water-cooling screens, and the multiple second water-cooling screen setting exists
In the synthesis gas rising passway；
Wherein, under the lower header of first water-cooling wall, the lower header of each first water-cooling screen, second water-cooling wall
The lower header of header and each second water-cooling screen is connected and intakes with the cooling water for passing through radiation waste pot lower part of the housing
Pipe is connected；
The upper collecting chamber of first water-cooling wall, the upper collecting chamber of each first water-cooling screen, second water-cooling wall upper collecting chamber
Be connected with the upper collecting chamber of each second water-cooling screen and with pass through radiation waste pot upper part of the housing cooling water outlet pipe phase
Connection,
The lower section of the radiation waste pot is arranged in deslagging pond, the deslagging pond, and the bottom in the deslagging pond has slag-drip opening；
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 crude synthesis gas import, synthesis gas
Outlet and ash hole, the crude synthesis gas import are connected with crude synthesis gas outlet.
2. the full recovery system of coal gasification waste heat according to claim 1, which is characterized in that the side burner is along level side
To injection.
3. the full recovery system of coal gasification waste heat according to claim 2, which is characterized in that the side burner and the top
The vertical distance for setting burner is 0.1-0.5D, and wherein D is the internal diameter of the shell.
4. the full recovery system of coal gasification waste heat according to claim 1-3, which is characterized in that the multiple first
Water-cooling screen is 8-24.
5. the full recovery system of coal gasification waste heat according to claim 4, which is characterized in that the first water described in each adjacent two
Angle between cold screen is 15-45 degree.
6. the full recovery system of coal gasification waste heat according to claim 5, which is characterized in that first water-cooling screen with it is described
First water-cooling wall is connected by fin, and the width of first water-cooling screen is the 1/9-1/4 of the synthesis gas down going channel radius.
7. the full recovery system of coal gasification waste heat according to claim 1 or 6, which is characterized in that the multiple second water cooling
Screen is 8-24.
8. the full recovery system of coal gasification waste heat according to claim 7, which is characterized in that each second water-cooling screen with
One first water-cooling screen is in the same plane.
9. the full recovery system of coal gasification waste heat according to claim 8, which is characterized in that second water-cooling wall with it is described
The distance between first water-cooling wall is the 1/10-1/8 of radiation waste drum body.
10. the full recovery system of coal gasification waste heat according to claim 9, which is characterized in that second water-cooling screen and institute
It states the second water-cooling wall to be connected by fin, the width of second water-cooling screen is second water-cooling wall and first water-cooling wall
The distance between 4/15-1/2.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504455A (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 |
| CN113072980A (en) * | 2021-04-28 | 2021-07-06 | 宁夏神耀科技有限责任公司 | Downward full waste boiler entrained flow bed gasification equipment of superheated steam and coal chemical system |
-
2018
- 2018-11-19 CN CN201821906062.9U patent/CN209481593U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504455A (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 |
| CN113072980A (en) * | 2021-04-28 | 2021-07-06 | 宁夏神耀科技有限责任公司 | Downward full waste boiler entrained flow bed gasification equipment of superheated steam and coal chemical system |
| CN113072980B (en) * | 2021-04-28 | 2021-12-07 | 宁夏神耀科技有限责任公司 | Downward full waste boiler entrained flow bed gasification equipment of superheated steam and coal chemical system |
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