CN108641751A - A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented - Google Patents
A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented Download PDFInfo
- Publication number
- CN108641751A CN108641751A CN201810770682.2A CN201810770682A CN108641751A CN 108641751 A CN108641751 A CN 108641751A CN 201810770682 A CN201810770682 A CN 201810770682A CN 108641751 A CN108641751 A CN 108641751A
- Authority
- CN
- China
- Prior art keywords
- water
- inner casing
- wall inner
- membrane wall
- gasification furnace
- 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.)
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- 238000002309 gasification Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 title claims abstract description 19
- 239000002893 slag Substances 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000012528 membrane Substances 0.000 claims abstract description 35
- 230000005855 radiation Effects 0.000 claims abstract description 18
- 239000003643 water by type Substances 0.000 claims abstract description 14
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 12
- 239000006200 vaporizer Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 10
- 235000014171 carbonated beverage Nutrition 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The present invention relates to a kind of useless pot gasification furnaces of water-cooling wall that complete Natural Circulation may be implemented, and belong to Coal Gasification Technology field, which includes bearing shell and membrane wall inner casing；Bearing shell includes dryer section and waters section；It is provided with membrane wall inner casing in dryer section, slag bath is enclosed in the section of waters；There is undergauge, undergauge membrane wall inner casing is separated into vaporizer and radiation chamber in the middle part of membrane wall inner casing.The program shares the structure of a membrane wall inner casing using vaporizer and radiation chamber, the thermic load of water wall surface can then be improved, the thermic load for improving water wall surface meets the required power of Natural Circulation, two boiler water circulating pumps can be cancelled, reduce equipment investment, reduce operating cost, and reduce operation troubles rate, it is safe and reliable, simultaneously, the radiant heat of scorching hot raw gas recycles in the form of saturated steam, radiates thermogenetic saturated vapor and can be used for generating electricity or be used for rear workshop section, is more energy-saving and environmentally friendly.
Description
Technical field
The present invention relates to a kind of useless pot gasification furnaces of water-cooling wall that complete Natural Circulation may be implemented, and belong to Coal Gasification Technology neck
Domain.
Background technology
Gasification furnace in the related technology, vaporizer uses gasification furnace of the water-cooling wall as bearing shell protective layer, in industry
Extensive use in production.Since he has the advantages that the cheap coal of high ash melting point can be burnt, many users and producer is made to obtain
Abundant benefit is arrived.It is coated with castable or insulating moulding coating inside the vaporizer water-cooling wall of this kind of gasification furnace in the prior art,
The thermic load of the heating surface of water-cooling wall reduces, and thermic load is insufficient for the required hydrodynamic force of water-cooling wall Natural Circulation, institute
Outer loop pump must be relied on as power-forced cycle, to ensure gasification furnace safe and reliable operation.
But according to the operating experience of traditional water wall gasifier, boiler water circulating pump opens a standby setting, power using one
About 400KW, equipment investment is larger, and operating cost and maintenance cost are higher.Therefore, one is shared according to vaporizer and radiation chamber
The structure of membrane wall inner casing can then improve the thermic load of water wall surface, meet the required power of Natural Circulation, without
By boiler water cycle pump circulation, reduce equipment investment, reduces operating cost and failure rate, use are more safe and reliable.Together
When, also the radiant heat of scorching hot raw gas is recycled in the form of saturated steam, thermogenetic saturated vapor is radiated and can be used for sending out
Electricity uses, more energy efficient environmental protection for rear workshop section.
Invention content
To solve problems of the prior art, the present invention provides a kind of water coolings that complete Natural Circulation may be implemented
Give up pot gasification furnace of wall reduces equipment investment without boiler water cycle pump circulation is relied on, at the same time it can also by scorching hot raw gas
Radiant heat recycle in the form of saturated steam, radiate thermogenetic saturated vapor and can be used for generating electricity or for the use of rear workshop section,
It is more energy-saving and environmentally friendly.Specific technical solution is as follows：
A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented, which includes bearing shell and membrane type
Wall inner casing；The bearing shell includes dryer section and waters section；Membrane wall inner casing, the waters section are provided in the dryer section
Inside it is enclosed slag bath；There is undergauge in the middle part of the membrane wall inner casing, the undergauge by membrane wall inner casing be separated into vaporizer and
Radiation chamber；At least 200mm in slag bath is stretched into the lower end of the membrane wall inner casing, and the upper end inner wall of the membrane wall inner casing is coated with
Coating.
As an improvement of the above technical solution, the coating is castable or insulating moulding coating.
As an improvement of the above technical solution, the membrane wall inner casing is made of upper collecting chamber, lower header and extended surface tube, described
The upper end of upper collecting chamber and extended surface tube connects, and upper collecting chamber side is exported equipped with carbonated drink, the lower end of the lower header and extended surface tube
Connection, the lower header are equipped with boiler water inlet, and boiler water enters extended surface tube through boiler water inlet after lower header is evenly distributed,
Boiler water vapor content under the action of radiant heat gradually rises, and summarizes in upper collecting chamber and removes drum through carbonated drink outlet.
As an improvement of the above technical solution, multiple radiation shields are circumferentially evenly equipped with along membrane wall inner casing in the radiation chamber.
As an improvement of the above technical solution, waters section is equipped with raw gas and exports and supplement the mouth of a river, from radiation chamber
The raw gas and slag come enters slag bath, the heat exchange of water in completion and slag bath, and part water, which enters critical condition, in slag bath becomes
Saturated vapor with together with synthesis gas through raw gas outlet enter after workshop section, then supplement water inlet is added into slag bath supplements water.
As an improvement of the above technical solution, waters section lower section is provided with slag outlet, the slag come from radiation chamber
It is trapped under the effect of gravity by slag bath, discharge gasification furnace is exported through slag after slag bath bottom deposit.
Said program shares the structure of a membrane wall inner casing using vaporizer and radiation chamber, then can improve water-cooling wall by
The thermic load in hot face, the thermic load for improving water wall surface meet the required power of Natural Circulation, can cancel two pots
Boiler water circulating pump reduces equipment investment, reduces operating cost, and reduce operation troubles rate, safe and reliable, meanwhile, it is scorching hot
The radiant heat of raw gas recycles in the form of saturated steam, radiates thermogenetic saturated vapor and can be used for generating electricity or for rear workshop section
It uses, is more energy-saving and environmentally friendly.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the useless pot gasification furnace of water-cooling wall that complete Natural Circulation may be implemented of the present invention.
Reference numeral：10- bearing shells, 11- dryer sections, the waters 12- section, 20- membrane walls inner casing, 21- upper collecting chambers, 22-
Lower header, 23- extended surface tubes, 24- boilers water inlet, the outlet of 25- carbonated drinks, 26- undergauges, 27- coatings, 100- vaporizers, 200- spokes
Penetrate room, 300- slag baths, the 31- supplements mouth of a river, the outlet of 32- slags, the outlet of 33- raw gas.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
In the description of the present invention, it is to be understood that, term "upper", "lower", "top", "bottom" "inner", "outside", " circumferential direction "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " connection ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also can be indirectly connected through an intermediary that the interaction of the connection or two elements inside two elements is closed
System, unless otherwise restricted clearly.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
As shown in Figure 1, the present invention provides a kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented, including hold
Press shell 10, membrane wall inner casing 20；Bearing shell 10 includes dryer section 11 and waters section 12；It is provided with membrane wall in dryer section 11
Inner casing 20, waters section 12 are limited to and (are enclosed) slag bath 300；The middle part of membrane wall inner casing 20 has undergauge 26, undergauge 26 will
Membrane wall inner casing 20 is divided to for upper and lower two parts, and middle and upper part is limited to vaporizer 100, and lower part is limited to radiation chamber 200；Undergauge
26 be substantially a resistance to passage of heat, and undergauge 26 belongs to a part for membrane wall inner casing 20, without being separately provided, does not need boiler
Water-circulating pump forced circulation, meanwhile, flow resistance reduces, and is more advantageous to the safe and stable operation of gasifying furnace device.
The upper inside wall of membrane wall inner casing 20 is coated with coating 27, and coating 27 is castable or insulating moulding coating, to ensure to dry
Furnace temperature can reach the temperature to feed intake.
At least 200mm in the slag bath 300 is stretched into the lower end of membrane wall inner casing 20, to ensure in gasification furnace pressure oscillation
When, still with the presence of fluid-tight, 10 overtemperature of bearing shell is prevented, safety accident is caused.
Further, membrane wall inner casing 20 is by least one upper collecting chamber 21, at least one lower header 22 and several extended surface tubes
23 are constituted, when 20 shape of membrane wall inner casing is restricted, multiple upper collecting chambers 21 can be disposed adjacent, multiple lower headers 22 it is adjacent
Setting；Upper collecting chamber 21 is connect with the upper end of extended surface tube 23, and lower header 22 is connect with the lower end of extended surface tube 23, and 21 side of upper collecting chamber is set
There is carbonated drink to export 25,22 side of lower header is equipped with boiler water inlet 24, and boiler water is distributed through boiler water inlet 24 in lower header 22
It is entered in extended surface tube 23 after uniformly, boiler water vapor content under the action of radiant heat gradually rises, since density contrast generates water
Power summarizes in upper collecting chamber 21 and removes drum through carbonated drink outlet 25.In this scenario, membrane wall inner casing 20 is unique rigid body
Protection structure as dryer section 11.
Further, several radiation shields circumferentially are evenly equipped with along the membrane wall inner casing 20 in radiation chamber 200, to strengthen spoke
The ability for penetrating the reception radiant heat of room 200, increases saturated vapor yield.
Further, waters section 12 is equipped with raw gas outlet 33, supplement water inlet 31 and slag outlet 32, from radiation chamber
200 and the raw gas and slag that come enter slag bath 300, complete and slag bath 300 in water heat exchange, in slag bath 300 part water into
Enter critical condition become saturated vapor with together with synthesis gas through raw gas outlet 33 enter after workshop section, while supplement water through supplement water
Entrance 31 enters in slag bath 300, to maintain level stability.Slag is trapped by slag bath 300 under the effect of gravity, at 300 bottom of slag bath
Portion's deposition is through 32 discharge gasification furnace of slag outlet.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (6)
- The pot gasification furnace 1. a kind of water-cooling wall that complete Natural Circulation may be implemented gives up, which is characterized in that the gasification furnace includes pressure-bearing Shell (10) and membrane wall inner casing (20)；The bearing shell (10) includes dryer section (11) and waters section (12)；The drying It is provided with membrane wall inner casing (20) in section (11), slag bath (300) is enclosed in the waters section (12)；The membrane wall inner casing (20) there is undergauge (26), the undergauge (26) membrane wall inner casing (20) is separated into vaporizer (100) and radiation chamber at middle part (200)；At least 200mm in slag bath (300) is stretched into the lower end of the membrane wall inner casing (20), the membrane wall inner casing (20) it is upper Inner wall is held to be coated with coating (27).
- The pot gasification furnace 2. a kind of water-cooling wall that complete Natural Circulation may be implemented as described in claim 1 gives up, which is characterized in that The coating (27) is castable or insulating moulding coating.
- The pot gasification furnace 3. a kind of water-cooling wall that complete Natural Circulation may be implemented as claimed in claim 2 gives up, which is characterized in that The membrane wall inner casing (20) is made of upper collecting chamber (21), lower header (22) and extended surface tube (23), the upper collecting chamber (21) and fin The upper end of piece pipe (23) connects, and upper collecting chamber (21) side is equipped with carbonated drink and exports (25), the lower header (22) and extended surface tube (23) lower end connection, the lower header (22) are equipped with boiler water inlet (24), and boiler water is through boiler water inlet (24) in next part Enter extended surface tube (23) after case (22) is evenly distributed, boiler water vapor content under the action of radiant heat gradually rises, in upper collecting chamber (21) summarize in and remove drum through carbonated drink outlet (25).
- The pot gasification furnace 4. a kind of water-cooling wall that complete Natural Circulation may be implemented as claimed in claim 3 gives up, which is characterized in that In the radiation chamber (200) circumferentially multiple radiation shields are evenly equipped with along membrane wall inner casing (20).
- The pot gasification furnace 5. a kind of water-cooling wall that complete Natural Circulation may be implemented as claimed in claim 3 gives up, which is characterized in that Waters section (12) is equipped with raw gas outlet (33) and the supplement mouth of a river (31), the raw gas that comes from radiation chamber (200) and melts Slag enters slag bath (300), the heat exchange of water in completion and slag bath (300), and part water, which enters critical condition, in slag bath (300) becomes Saturated vapor exports workshop section after (33) enter with together with synthesis gas through raw gas, then supplements water inlet (31) to slag bath (300) Interior addition supplements water.
- The pot gasification furnace 6. a kind of water-cooling wall that complete Natural Circulation may be implemented as claimed in claim 5 gives up, which is characterized in that It is provided with slag outlet (32) below the waters section (12), the slag come from radiation chamber (200) is under the effect of gravity by slag bath (300) it traps, gasification furnace is discharged through slag outlet (32) after slag bath (300) bottom deposit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770682.2A CN108641751A (en) | 2018-07-13 | 2018-07-13 | A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770682.2A CN108641751A (en) | 2018-07-13 | 2018-07-13 | A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108641751A true CN108641751A (en) | 2018-10-12 |
Family
ID=63751684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770682.2A Pending CN108641751A (en) | 2018-07-13 | 2018-07-13 | A kind of useless pot gasification furnace of the water-cooling wall that complete Natural Circulation may be implemented |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108641751A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948184A (en) * | 2022-12-28 | 2023-04-11 | 山西阳煤化工机械（集团）有限公司 | Water-cooling circulation gasification furnace |
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|---|---|---|---|---|
| CN202530054U (en) * | 2011-12-28 | 2012-11-14 | 上海锅炉厂有限公司 | Novel composite type high-temperature raw-gas cooling washing device |
| CN205803414U (en) * | 2016-06-30 | 2016-12-14 | 山西阳煤化工机械（集团）有限公司 | A kind of synthesis gas/steam co-producing gasification furnace |
| CN106867590A (en) * | 2017-04-13 | 2017-06-20 | 华东理工大学 | A kind of useless pot Quench integral type water-coal-slurry water cooled wall gasification furnace and gasification process |
| CN206706032U (en) * | 2017-04-13 | 2017-12-05 | 华东理工大学 | A kind of useless pot Quench integral type water-coal-slurry water cooled wall gasification furnace |
| CN107674711A (en) * | 2017-11-13 | 2018-02-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the dry coal powder pressure gasifying stove and method of work of band screen formula radiation waste pot |
| CN108192673A (en) * | 2018-03-05 | 2018-06-22 | 北京阳华科技有限公司 | A kind of two-way is secondary to catch ash radiation recuperation of heat gasification furnace |
-
2018
- 2018-07-13 CN CN201810770682.2A patent/CN108641751A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202530054U (en) * | 2011-12-28 | 2012-11-14 | 上海锅炉厂有限公司 | Novel composite type high-temperature raw-gas cooling washing device |
| CN205803414U (en) * | 2016-06-30 | 2016-12-14 | 山西阳煤化工机械（集团）有限公司 | A kind of synthesis gas/steam co-producing gasification furnace |
| CN106867590A (en) * | 2017-04-13 | 2017-06-20 | 华东理工大学 | A kind of useless pot Quench integral type water-coal-slurry water cooled wall gasification furnace and gasification process |
| CN206706032U (en) * | 2017-04-13 | 2017-12-05 | 华东理工大学 | A kind of useless pot Quench integral type water-coal-slurry water cooled wall gasification furnace |
| CN107674711A (en) * | 2017-11-13 | 2018-02-09 | 中国华能集团清洁能源技术研究院有限公司 | A kind of the dry coal powder pressure gasifying stove and method of work of band screen formula radiation waste pot |
| CN108192673A (en) * | 2018-03-05 | 2018-06-22 | 北京阳华科技有限公司 | A kind of two-way is secondary to catch ash radiation recuperation of heat gasification furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115948184A (en) * | 2022-12-28 | 2023-04-11 | 山西阳煤化工机械（集团）有限公司 | Water-cooling circulation gasification furnace |
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