CN202730088U - Entrained-flow bed solid slag discharge gasification device - Google Patents

Entrained-flow bed solid slag discharge gasification device Download PDF

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Publication number
CN202730088U
CN202730088U CN2012204539243U CN201220453924U CN202730088U CN 202730088 U CN202730088 U CN 202730088U CN 2012204539243 U CN2012204539243 U CN 2012204539243U CN 201220453924 U CN201220453924 U CN 201220453924U CN 202730088 U CN202730088 U CN 202730088U
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China
Prior art keywords
water wall
flow bed
cooling room
air flow
heat
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Expired - Lifetime
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CN2012204539243U
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Chinese (zh)
Inventor
步学朋
张琪
索娅
陈强
朱豫飞
刘潇
王涛
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China Shenhua Coal to Liquid Chemical Co Ltd
Shenhua Group Corp Ltd
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China Shenhua Coal to Liquid Chemical Co Ltd
Shenhua Group Corp Ltd
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Priority to CN2012204539243U priority Critical patent/CN202730088U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/16Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y02E20/18Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]

Abstract

The utility model provides an entrained-flow bed solid slag discharge gasification device, which comprises a combustion gasification chamber and a cooling chamber, wherein the combustion gasification chamber is provided with a feed port, and the cooling chamber is arranged below the combustion gasification chamber, is communicated with the combustion gasification chamber, and is provided with an air outlet, a slag outlet and a heat recovery device which is arranged in a cavity body of the cooling chamber. The heat recovery device is arranged in the cooling chamber, and the heat recovery device is used to recover part of sensible heat in the gas, thereby increasing utilization efficiency of heat. The entrained-flow bed solid slag discharge gasification device reduces abrasion of slag to the device by adopting a sold slag discharge mode, and enlarges use range of coal types at the same time. The entrained-flow bed solid slag discharge gasification device does not need to fluidize the slag during the solid slag discharge process, thereby saving oxygen which is consumed for fluidizing the slag, and reducing running cost.

Description

Air flow bed dry ash extraction gasification installation
Technical field
The utility model relates to coal chemical technology, in particular to a kind of air flow bed dry ash extraction gasification installation.
Background technology
Along with socio-economic development to the increase of energy demand and increasingly strict to environmental requirement, the clean and effective of coal transforms and more and more comes into one's own.Develop rapidly as the construction of the leading technology-gasification of coal of key along with coal liquefaction project.To large-scale coal liquefaction project,, environmental friendliness large because of the entrained flow bed gasification technology vaporization ability, coal adaptability extensively has obtained more application, also is one of major fields of researching and developing at present.
The common feature of entrained flow gasification is high temperature, pressurize, enter that the stove raw meal particle size is thin, the residence time is short, and the difference of the charging form of vapourizing furnace, furnace shell inner lining, burner quantity and layout etc. causes having formed the multiple technologies style.Comprise K-T stove, GE/Texaco stove, Shell stove, Prenflo stove, GSP stove, E-gas stove, Mitsubishi's stove etc. such as external entrained flow bed gasification technology.Domestic entrained flow bed gasification technology comprises non-slag gasification, space flight stove, the polynary slurry of two sections dry powder gasifications, the Tsing-Hua University of opposed multi-nozzle, the Xi'an thermal technology institute of East China University of Science, the multi nozzle of gasification furnace of Shenhua etc.
Can be divided into dry-coal feeding and coal water slurry charging dual mode according to the different entrained flow bed gasification technologies of feeding manner, and all realize heavy industrialization.At present, entrained flow bed gasification technology also has planning to intend being used for coal liquefaction, production substitute natural gas mainly for the production of chemical products and IGCC generating abroad.At home, entrained flow bed gasification technology is mainly used in large-scale modern coal liquefaction, Coal Chemical Engineering Project.The coal slurry gasifier of entrained flow bed gasification technology has the advantages such as pressure is high, cost is relatively low, furnace type structure simple, technology is relatively ripe, but has simultaneously the shortcomings such as coal adaptability is restricted, service temperature is low; Compare with coal slurry gasifier, the coal adaptability of dry coal dust gasification furnace is wider, efficient is higher, but has the shortcomings such as system's relative complex, cost be higher.
The airflow bed gasification furnace that at present commercialization is both at home and abroad used has all adopted the slag tap mode, therefore service temperature must be in the coal ash yield temperature more than 50 ~ 150 ℃, and all there is the coal of the high yield temperature of some high ash oontent in the ground such as domestic Shanxi, Henan, Anhui and Shandong, the yield temperature of some coals even reach 1600 ~ 1700 ℃, even and some coal add fusing assistant and still yield temperature can't be down to below 1400 ℃.These coals need to consume a large amount of oxygen for making lime-ash liquefaction as using the slag tap gasification technology, have increased running cost; Very high service temperature will cause the damage of refractory materials in addition, not only increase running cost, and have certain risk.
In order to overcome the shortcoming of above-mentioned slag tap, Chinese patent 200620135961.4,200610026335.6 and 200710017906.4 all proposes to adopt the mode of dry ash extraction, but at present dry ash extraction need to adopt the heat that a large amount of recirculated water will gasify in the coal gas of high temperature of generation to take away.Water consumption is very large in this process, and the steam that heat is pulled away rear formation in the coal gas of high temperature becomes again water in the follow-up system process of cooling, and this part heat can't be utilized effectively, and this call with the energy of advocating thriftiness is contrary.
The utility model content
The utility model aims to provide a kind of air flow bed dry ash extraction gasification installation, can recovery part heat in the coal gas of high temperature that generates of gasification.
To achieve these goals, according to an aspect of the present utility model, provide a kind of air flow bed dry ash extraction gasification installation, air flow bed dry ash extraction gasification installation comprises combustion gasification chamber and cooling room, and the combustion gasification chamber has opening for feed; Cooling room is positioned at the below of combustion gasification chamber and is communicated with the combustion gasification chamber, the interior heat reclaim unit of cavity that has pneumatic outlet, lime-ash outlet and be arranged on cooling room.
Further, above-mentioned heat reclaim unit comprises first water wall with the sleeve-shaped of the coaxial setting of cooling room, has the interlayer gap between the housing of the first water wall and cooling room, and the first water wall has one or more heat transferring medium imports and the outlet of one or more heat transferring medium that heat exchanging medium passage is in communication with the outside, pneumatic outlet is arranged on the sidewall of cooling room and with the interlayer gap and communicates, and the lime-ash outlet is arranged on the diapire of cooling room.
Further, above-mentioned heat reclaim unit also comprise one with coaxial the second water wall that sleeve-shaped is set of the first water wall, the sleeve top of the second water wall links to each other with the exit end of combustion gasification chamber, the sleeve bottom extends to the position of the sleeve bottom that is higher than the first water wall in the first water wall, and the second water wall and the first water wall radially interval arrange.
Further, above-mentioned heat reclaim unit also comprises one or more and coaxial the 3rd water wall that sleeve-shaped is set of the first water wall, each the 3rd water wall radially is spaced apart and arranged between the first water wall and the second water wall, the position at the place, sleeve top of the first water wall, the 3rd water wall and the second water wall is stepped arranging from high to low from inside to outside, and the position ecto-entad at place, sleeve bottom is stepped arranging from low to high.
Further, be provided with separately corresponding one or more heat transferring medium import on the sidewall of the close sleeve bottom of above-mentioned the first water wall, the 3rd water wall and the second water wall, be provided with separately corresponding one or more heat transferring medium outlet on the sidewall on the close sleeve top of the first water wall, the 3rd water wall and the second water wall.
Further, above-mentioned heat reclaim unit also comprises the pipe connecting of the heat exchanging medium passage that is communicated with the first water wall, the 3rd water wall and the second water wall, pipe connecting comprises the first pipe connecting and the second pipe connecting, the first pipe connecting is communicated with the first water wall, the 3rd water wall with the heat transferring medium import of the second water wall, be connected to the outside extension of cooling room and with the heat transferring medium source; The second pipe connecting is communicated with the first water wall, the 3rd water wall with the heat transferring medium outlet of the second water wall, link to each other to the outside extension of cooling room and with heat collector.
Further, the internal diameter of above-mentioned combustion gasification chamber is less than the internal diameter of cooling room, air flow bed dry ash extraction gasification installation also comprises communicating pipe, the end of communicating pipe links to each other with the exit end of combustion gasification chamber, the other end links to each other with the entrance end of cooling room, the internal diameter of communicating pipe is less than the internal diameter of combustion gasification chamber, and the second water wall is fixed on the lower end of communicating pipe.
Further, the outside surface of above-mentioned communicating pipe is arranged with refractory walls, and refractory walls comprises pipe-type water-cooling wall or lining of fire brick.
Further, said flow bed dry ash extraction gasification installation comprises that also confession chilled water or Quench gas enter the first import in communicating pipe, and the first import is arranged on the sidewall of communicating pipe.
Further, said flow bed dry ash extraction gasification installation comprises that also the confession chilled water enters the second import in the cooling room, and the second import is arranged on the sidewall of cooling room, and is lower than the heat reclaim unit of cooling room.
Air flow bed dry ash extraction gasification installation of the present utility model arranges heat reclaim unit in cooling room, utilize the part sensible heat in its gas recovery, has improved the utilising efficiency of heat; And, adopt the dry ash extraction mode, reduced the abrasive action of lime-ash to device, enlarged simultaneously the use range of coal; The dry ash extraction process does not need therefore lime-ash liquefaction saved the oxygen that lime-ash liquefaction is consumed, and has reduced running cost.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the sectional view along axis direction according to a kind of preferred air flow bed dry ash extraction gasification installation of the present utility model;
Fig. 2 shows the A-A of air flow bed dry ash extraction gasification installation shown in Figure 1 to view;
Fig. 3 shows the B-B of air flow bed dry ash extraction gasification installation shown in Figure 1 to view; And
Fig. 4 shows the sectional view along axis direction according to the preferred air flow bed dry ash extraction of another kind of the present utility model gasification installation.
Embodiment
Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, in a kind of typical embodiment of the utility model, provide a kind of air flow bed dry ash extraction gasification installation, air flow bed dry ash extraction gasification installation comprises: combustion gasification chamber 100 and cooling room 300, and combustion gasification chamber 100 has opening for feed 1; Cooling room 300 is positioned at the below of combustion gasification chamber 100 and is communicated with combustion gasification chamber 100, the interior heat reclaim unit 4 of cavity that has pneumatic outlet 7, lime-ash outlet 9 and be arranged on cooling room 300.
Have the air flow bed dry ash extraction gasification installation of said structure, in cooling room 300, heat reclaim unit is set, utilize the part sensible heat in its gas recovery, improved the utilising efficiency of heat; And, adopt the dry ash extraction mode, reduced the abrasive action of lime-ash to device, enlarged simultaneously the use range of coal; Do not need in the dry ash extraction process therefore lime-ash liquefaction saved the oxygen that lime-ash liquefaction is consumed, reduced running cost.
As shown in Figure 1, a kind of preferred heat reclaim unit 4 of the utility model comprises first water wall 41 with the sleeve-shaped of cooling room 300 coaxial settings, has the interlayer gap between the housing of the first water wall 41 and cooling room 300, and the first water wall 41 has one or more heat transferring medium imports and the outlet of one or more heat transferring medium that heat exchanging medium passage is in communication with the outside, pneumatic outlet 7 is arranged on the sidewall of cooling room 300 and with the interlayer gap and communicates, and lime-ash outlet 9 is arranged on the diapire of cooling room 300.
Enter stove coal and vaporized chemical and generate the raw gas as leading take carbon monoxide and hydrogen after 100 internal reactions of combustion gasification chamber, solid-state lime-ash is wherein carried secretly by raw gas and is entered in the cooling room 300; In the inner chamber of cooling room 300, the raw gas that is entrained with solid-state lime-ash moves downward under air pressure and action of gravity and by the first water wall 41, carry out heat exchange with the liquid in the first water wall 41, when raw gas runs to the bottom of cooling room 300, being subject to the bottom can run in the housing of cooling room 300 and the gap between the first water wall 41 and then leave cooling room 300 by pneumatic outlet to turn back a part of raw gas simultaneously of the inner chamber of cooling room 300 resistance of its generation, in the inner chamber of cooling room 300, continue heat exchange between raw gas and the first water wall 41, the liquid heat absorption of the first water wall 41 becomes saturation steam shifts out from the heat transferring medium outlet, outside air flow bed dry ash extraction gasification installation saturation steam is collected the purpose that can realize heat recuperation.
As shown in Figures 1 to 3, the heat reclaim unit 4 of the another kind of preferred air flow bed dry ash extraction gasification installation of the utility model also comprises second water wall 42 with the sleeve-shaped of the first water wall 41 coaxial settings, the sleeve top of the second water wall 42 links to each other with the exit end of combustion gasification chamber 100, the sleeve bottom extends to the position that is higher than the sleeve bottom of the first water wall 41 in the first water wall 41, and the second water wall 42 and the first water wall 41 radially interval arrange.
In the cooling room 300 with above-mentioned heat reclaim unit 4, the second water wall 42 links to each other with the exit end of combustion gasification chamber 100 so that in the cavity that the raw gas that combustion gasification chamber 100 produces at first all surrounds by the second water wall 42, carry out primary heat transfer process; The residing position, sleeve bottom of the second water wall 42 is higher than residing position, the first water wall 41 sleeve bottoms, make raw gas by the second water wall 42 diffuse laterally into gap between the first water wall 41 and the second water wall 42 in the sleeve bottom of the second water wall 42, carry out the heat exchange second time owing to being subject to the drag effect of the first water wall 41 to the inner chamber top diffusion of cooling room 300 simultaneously; When raw gas runs to the sleeve top of the first water wall 41, be subject to raw coal gas transmission endlessly pressure-acting and to the interstitial diffusion between the housing of the first water wall 41 and cooling room 300, another carries out heat exchange, leaves air flow bed dry ash extraction gasification installation from pneumatic outlet at last.Can find out by said process, adopt two water wall that the raw gas that enters cooling room 300 is carried out heat recuperation, can improve to a great extent the efficient of heat recuperation.
As shown in Figure 4, heat reclaim unit 4 also comprises the 3rd water wall 43 of the sleeve-shaped of one or more and the 41 coaxial settings of the first water wall, each the 3rd water wall 43 radially is spaced apart and arranged between the first water wall 41 and the second water wall 42, the position at the place, sleeve top of the first water wall 41, the 3rd water wall 43 and the second water wall 42 is stepped arranging from high to low from inside to outside, and the position ecto-entad at place, sleeve bottom is stepped arranging from low to high.An amount of water wall quantity that increases formation heat reclaim unit 4 is conducive to the heat exchange between raw gas and the heat reclaim unit 4, thereby raising heat recovery efficiency, generally speaking, the inner chamber of cooling room 300 is larger, the quantity of water wall can suitably increase and each water wall be arranged in a manner described, but water wall quantity increases, the cost of manufacture of equipment also can correspondingly increase certainly, therefore, those skilled in the art can suitably adjust the quantity of water wall in the situation that consider equipment making cost and cooling room 300 inner chamber sizes.
As shown in Figure 1 and Figure 4, be provided with separately corresponding one or more heat transferring medium import on the sidewall of the close sleeve bottom of the first water wall 41, the 3rd water wall 43 and the second water wall 42, be provided with separately corresponding one or more heat transferring medium outlet on the sidewall on the close sleeve top of the first water wall 41, the 3rd water wall 43 and the second water wall 42.Arranging that a plurality of heat transferring mediums import and export is that medium in order to guarantee to pass in and out water wall is more even.
As shown in Figures 1 to 4, heat reclaim unit 4 also comprises the pipe connecting of the heat exchanging medium passage that is communicated with the first water wall 41, the 3rd water wall 43 and the second water wall 42, pipe connecting comprises the first pipe connecting 441 and the second pipe connecting 442, the first pipe connecting 441 is communicated with each first water wall 41, the 3rd water wall 43 with the heat transferring medium import of the second water wall 42, be connected to the outside extension of cooling room 300 and with the heat transferring medium source; The second pipe connecting 442 is communicated with the first water wall 41, the 3rd water wall 43 with the heat transferring medium outlet of the second water wall 42, link to each other to the outside extension of cooling room 300 and with heat collector.The heat transferring medium import of each water wall is communicated with by the second pipe connecting 442 by 441 connections of the first pipe connecting, heat transferring medium outlet, has simplified the structure of heat reclaim unit 4, be conducive to simultaneously control entering of liquid coolant sources.
As shown in Figure 1 and Figure 4, the internal diameter of combustion gasification chamber 100 is less than the internal diameter of cooling room 300, air flow bed dry ash extraction gasification installation also comprises communicating pipe 200, the end of communicating pipe 200 links to each other with the exit end of combustion gasification chamber 100, the other end links to each other with the entrance end of cooling room 300, the internal diameter of communicating pipe 200 is less than the internal diameter of combustion gasification chamber 100, and the second water wall 42 is fixed on the lower end of communicating pipe 200.Such set-up mode is in order to realize preferably gasification result.
As shown in Figure 1 and Figure 4, the outside surface of communicating pipe 200 is arranged with refractory walls, and refractory walls comprises pipe-type water-cooling wall or lining of fire brick.Outside surface in communicating pipe 200 is arranged with the refractory walls with pipe-type water-cooling wall or lining of fire brick, and then has effectively avoided raw gas passing through 200 o'clock communicating pipe because high temperature on the impact that communicating pipe 200 produces, has prolonged the work-ing life of communicating pipe 200.
For make be entrained with solid-state lime-ash coal gas successfully by combustion gasification chamber 100 by entering communicating pipe 200 in the cooling room 300, the shell roof of preferred communicating pipe 200 as shown in Figure 1 and Figure 4 is that the vertex of a cone is towards the taper roof of below, the shell diapire of communicating pipe 200 be the vertex of a cone towards the conical bottom wall of top, and cooling room 300 roofs stretch out along the diapire of communicating pipe 200 and link to each other with the sidewall of cooling room 300.
As shown in Figure 1 and Figure 4, air flow bed dry ash extraction gasification installation comprises that also the first import 21, the first imports 21 that supply chilled water or Quench gas to enter in communicating pipe 200 are arranged on the sidewall of communicating pipe 200.By the first import 21 enter the chilled water of communicating pipe 200 or Quench gas to coal gas suitable cooling can alleviate overheated raw gas that combustion gasification chamber 100 produces to the disadvantageous effect that cooling room 300 produces, the raw gas that utilizes simultaneously chilled water or Quench gas to accelerate to be entrained with solid-state lime-ash moves in the cooling room 300.
As shown in Figure 1 and Figure 4, air flow bed dry ash extraction gasification installation comprises that also the second import 31, the second imports 31 that enter in the cooling room 300 for chilled water arrange on the sidewall of cooling room 300, and is lower than heat reclaim unit 4.Can further be lowered the temperature to the lime-ash that accumulates in cooling room 300 bottoms by the chilled water that the second import 31 enters, provide certain pressure for lime-ash flows out from lime-ash outlet 9 simultaneously.
Leave cooling room 300 for the ease of raw gas and lime-ash, the utility model adopts the diapire of present conventional design cooling room 300 to be set to the middle vertex of a cone towards the conical bottom wall of below, lime-ash outlet 9 is arranged on the vertex of a cone place of conical bottom wall, and pneumatic outlet 7 is arranged on the sidewall of cooling room 300 upper part.
Simultaneously, the opening for feed 1 of the combustion gasification chamber 100 of air flow bed dry ash extraction gasification installation of the present utility model comprises that the first burner 11 and a plurality of the second burner 12, the first burners 11 are arranged on the center of the top shell of combustion gasification chamber 100; A plurality of the second burners 12 along the circumferential setting of combustion gasification chamber 100, and are positioned at same level.Make into stove coal (dry powder or slip) and vaporized chemical (steam or carbonic acid gas and oxygen or air) and enter combustion gasification chamber 100 with more uniform state, thereby realize better reaction effect, and then improve the transformation efficiency of coal gas.
The above is preferred embodiment of the present utility model only for utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. an air flow bed dry ash extraction gasification installation is characterized in that, described air flow bed dry ash extraction gasification installation comprises:
Combustion gasification chamber (100) has opening for feed (1);
Cooling room (300), be positioned at the below of described combustion gasification chamber (100) and be communicated with the interior heat reclaim unit (4) of cavity that has pneumatic outlet (7), lime-ash outlet (9) and be arranged on described cooling room (300) with described combustion gasification chamber (100).
2. air flow bed dry ash extraction gasification installation according to claim 1, it is characterized in that, described heat reclaim unit (4) comprises first water wall (41) with the sleeve-shaped of the coaxial setting of described cooling room (300), has the interlayer gap between the housing of described the first water wall (41) and described cooling room (300), and described the first water wall (41) has one or more heat transferring medium imports and the outlet of one or more heat transferring medium that heat exchanging medium passage is in communication with the outside, described pneumatic outlet (7) is arranged on the sidewall of described cooling room (300) and with described interlayer gap and communicates, and described lime-ash outlet (9) is arranged on the diapire of described cooling room (300).
3. air flow bed dry ash extraction gasification installation according to claim 2, it is characterized in that, described heat reclaim unit (4) also comprise one with coaxial the second water wall (42) that sleeve-shaped is set of described the first water wall (41), the sleeve top of described the second water wall (42) links to each other with the exit end of described combustion gasification chamber (100), the sleeve bottom extends to the position that is higher than the sleeve bottom of described the first water wall (41) in described the first water wall (41), and described the second water wall (42) radially arranges at the interval with described the first water wall (41).
4. air flow bed dry ash extraction gasification installation according to claim 3, it is characterized in that, described heat reclaim unit (4) also comprises coaxial the 3rd water wall (43) that sleeve-shaped is set of one or more and described the first water wall (41), each described the 3rd water wall (43) radially is spaced apart and arranged between described the first water wall (41) and described the second water wall (42), described the first water wall (41), the position at the place, sleeve top of the 3rd water wall (43) and described the second water wall (42) is stepped arranging from high to low from inside to outside, and the position ecto-entad at place, sleeve bottom is stepped arranging from low to high.
5. air flow bed dry ash extraction gasification installation according to claim 4, it is characterized in that, be provided with separately corresponding one or more heat transferring medium import on the sidewall of the close sleeve bottom of described the first water wall (41), the 3rd water wall (43) and described the second water wall (42), be provided with separately corresponding one or more heat transferring medium outlet on the sidewall on the close sleeve top of described the first water wall (41), the 3rd water wall (43) and described the second water wall (42).
6. air flow bed dry ash extraction gasification installation according to claim 4, it is characterized in that, described heat reclaim unit (4) also comprises the pipe connecting of the heat exchanging medium passage that is communicated with described the first water wall (41), the 3rd water wall (43) and described the second water wall (42), and described pipe connecting comprises:
The first pipe connecting (441) is communicated with described the first water wall (41), described the 3rd water wall (43) with the heat transferring medium import of described the second water wall (42), be connected to the outside extension of described cooling room (300) and with the heat transferring medium source;
The second pipe connecting (442) is communicated with described the first water wall (41), described the 3rd water wall (43) with the heat transferring medium outlet of described the second water wall (42), link to each other to the outside extension of described cooling room (300) and with heat collector.
7. air flow bed dry ash extraction gasification installation according to claim 4, it is characterized in that, the internal diameter of described combustion gasification chamber (100) is less than the internal diameter of described cooling room (300), described air flow bed dry ash extraction gasification installation also comprises communicating pipe (200), the end of described communicating pipe (200) links to each other with the exit end of described combustion gasification chamber (100), the other end links to each other with the entrance end of described cooling room (300), the internal diameter of described communicating pipe (200) is less than the internal diameter of described combustion gasification chamber (100), and described the second water wall (42) is fixed on the lower end of described communicating pipe (200).
8. air flow bed dry ash extraction gasification installation according to claim 7 is characterized in that, described communicating pipe the outside surface of (200) be arranged with refractory walls, described refractory walls comprises pipe-type water-cooling wall or lining of fire brick.
9. air flow bed dry ash extraction gasification installation according to claim 8, it is characterized in that, described air flow bed dry ash extraction gasification installation comprises that also confession chilled water or Quench gas enter the first import (21) in described communicating pipe (200), and described the first import (21) is arranged on the sidewall of described communicating pipe (200).
10. according to claim 1 to 9 each described air flow bed dry ash extraction gasification installations, it is characterized in that, described air flow bed dry ash extraction gasification installation comprises that also the confession chilled water enters the second import (31) in the described cooling room (300), described the second import (31) is arranged on the sidewall of described cooling room (300), and is lower than the described heat reclaim unit (4) of described cooling room (300).
CN2012204539243U 2012-09-06 2012-09-06 Entrained-flow bed solid slag discharge gasification device Expired - Lifetime CN202730088U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104560212A (en) * 2015-01-23 2015-04-29 水煤浆气化及煤化工国家工程研究中心 Multi-section water-cooling wall high-efficiency chilling gasification device
WO2020006994A1 (en) * 2018-07-06 2020-01-09 北京航天迈未科技有限公司 Gasifier employing radiant heat exchange technique and gasification method
CN113234487A (en) * 2021-04-26 2021-08-10 中国神华煤制油化工有限公司 Gasification furnace, slag discharge device, washing tower, gasification system and gasification method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104560212A (en) * 2015-01-23 2015-04-29 水煤浆气化及煤化工国家工程研究中心 Multi-section water-cooling wall high-efficiency chilling gasification device
WO2020006994A1 (en) * 2018-07-06 2020-01-09 北京航天迈未科技有限公司 Gasifier employing radiant heat exchange technique and gasification method
CN113234487A (en) * 2021-04-26 2021-08-10 中国神华煤制油化工有限公司 Gasification furnace, slag discharge device, washing tower, gasification system and gasification method

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