CN203820729U - Multi-shaft three-phase pulverized coal pressure gasifying device - Google Patents
Multi-shaft three-phase pulverized coal pressure gasifying device Download PDFInfo
- Publication number
- CN203820729U CN203820729U CN201420083842.3U CN201420083842U CN203820729U CN 203820729 U CN203820729 U CN 203820729U CN 201420083842 U CN201420083842 U CN 201420083842U CN 203820729 U CN203820729 U CN 203820729U
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- China
- Prior art keywords
- coal
- burner
- water wall
- gasifying
- pulverized coal
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
-
- 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
Abstract
The utility model relates to a multi-shaft three-phase pulverized coal pressure gasifying device which comprises a gasifying furnace closed at one end and open at the other end, and a radiation waste heat boiler coaxially communicated with the open end of the gasifying furnace, wherein the gasifying furnace comprises a shell and water cooling walls arranged on the inner side and bottom of the shell; the inner walls of the water cooling walls form a pulverized coal gasifying chamber; a coal water slurry burner communicated with a coal water slurry pipeline and the pulverized coal gasifying chamber is arranged at the closed end of the gasifying furnace; multiple pulverized coal burners communicated with the pulverized coal pipeline and the pulverized coal gasifying chamber are circumferentially arranged close to the closed end of the gasifying furnace; the coal water slurry burner is coaxial with the gasifying furnace; the distance between the mounting position of the pulverized burner and the furnace top of the gasifying furnace is 1-5m; the angle alpha between the projection of the axis of the pulverized coal burner on the burner mounting plane and the diameter of the shell ranges from 0 to 45 degrees; the angle beta between the axis of the pulverized coal burner and the burner mounting plane ranges from 0 to 30 degrees. The multi-shaft three-phase pulverized coal pressure gasifying device provided by the utility model has the advantages of large coal feed quantity, smooth slag discharge and high gasifying efficiency.
Description
Technical field
The utility model relates to a kind of powdered coal pressuring gasified device, particularly about the powdered coal pressuring gasified device of a kind of multiaxis three-phase.
Background technology
Coal gasification is the efficient core technology of utilizing of Coal Clean, is also the tap of the process industrials such as Coal Chemical Industry, integrated gasification combined cycle for power generation, direct reduction iron making.Coal gasification have wide, the effective gas composition of coal adaptability high, than coal consumption with than advantages such as oxygen consumption are low, become the important directions of coal chemical technology development.At present, representative air flow bed powder coal gasification furnace mainly adopts shell (Shell) gasification technology, siemens's (GSP) gasification technology and space flight stove (HT-L) spationautics, the identical point of said flow bed powder coal gasification furnace is: charging all adopts fine coal, and all using purity oxygen and water vapour as vaporized chemical, and adiabatic method adopts water wall structure.The difference of said flow bed powder coal gasification furnace is: Shell gasification technology adopts multi-nozzle side, up gas processed, descending deslagging; GSP gasification technology and HT-L spationautics adopt single nozzle overhead, descending system gas, descending deslagging.Shell gasification technology is owing to adopting multi-nozzle side, and form rotary collision flow field, water wall dross " with slag anti-slag " effect is better, in addition owing to having adopted multi-nozzle, its coal feeding amount is larger, be applicable to the requirement of large-scale Coal Chemical Industry to gasification, but shortcoming is descending deslagging and up circulation of vital energy in the wrong direction stream processed, often occurs that deslagging is not smooth or stops up cinder notch.The advantage of GSP gasification technology and HT-L spationautics is that burner is few, and burners on top, and vapourizing furnace flow field is reasonable, and gasification efficiency is high, shortcoming be coal feeding amount when larger water wall dross and flow field poor, water wall often burns, and is unfavorable for gasification.Therefore, need to develop the novel powdered coal pressurizing gasifying apparatus that a kind of coal feeding amount is large, deslagging is smooth and gasification efficiency is high.
Summary of the invention
For the problems referred to above, the purpose of this utility model is to provide that a kind of coal feeding amount is large, deslagging is smooth and the powdered coal pressuring gasified device of the much higher axle three-phase of gasification efficiency.
For achieving the above object, the utility model is taked following technical scheme: the powdered coal pressuring gasified device of a kind of multiaxis three-phase, it is characterized in that: it comprises the vapourizing furnace of an one end sealing, the other end opening, and the radiation waste heat boiler of vapourizing furnace opening end described in a coaxial communication; Described vapourizing furnace comprises a housing, and one arranges the water wall of described housing inner side edge and bottom, and the inwall of described water wall forms a coal gasification chamber; The blind end of described vapourizing furnace arranges the coal water slurry burner of a connection coal water slurry pipeline and described coal gasification chamber, near the fine coal burner that some connection coal dust pipelines and described coal gasification chamber are circumferentially set of described vapourizing furnace blind end; Described coal water slurry burner and vapourizing furnace coaxially arrange, and the distance described in each between the installation site of fine coal burner and described vapourizing furnace furnace roof is 1～5m; Described in each, the angle of the axis of fine coal burner between the projection of burner mounting plane and the diameter of described housing is α, and 0 ° of < α <45 °; Described in each, the angle of the axis of fine coal burner and burner mounting plane is β, and 0 ° of < β <30 °.
Described radiation waste heat boiler comprises that a diameter is greater than another housing of described housing, one is arranged in described another housing and upper end is communicated with the centre channel water wall of described coal gasification chamber, one is arranged on the loop turn water wall between described another housing and the cold wall of centre channel, an and slag bath that is arranged on described another housing bottom, and the outside bending in the bottom of described loop turn water wall is to be fastenedly connected the inwall of described another housing, and the top of described loop turn water wall is fastenedly connected described centre channel water wall; The outlet of circumferentially offering circular channel between the described centre channel water wall of some connections and loop turn water wall on described another housing top.
Between described housing and water wall, fill inert protective gas.
The furnace roof adiabatic method of described vapourizing furnace adopts the mixed structure of water wall structure, firebrick structure or water wall and refractory brick.
The utility model is owing to taking above technical scheme, it has the following advantages: 1, because the utility model is coaxially arranged with the burner for injection water coal slurry at the furnace roof of vapourizing furnace with it, therefore without supplementing water vapour required in coal gasification process by setting up boiler systems, and pass in the fine coal pipeline of vapourizing furnace and also do not need to add high pressure steam.Coal water slurry burner, owing to settling top of gasification furnace, has improved the Flow Field Distribution in vapourizing furnace, has solved the problem of ablation vapourizing furnace furnace roof in gasification, has strengthened heat and mass, has strengthened gasification result.In addition, coal water slurry adopts high-concentration sewage preparation, the cyclic utilization of waste, environmental protection and economy.2, because the utility model adopts descending system gas, descending deslagging, and adopt water wall structure thermal insulation, therefore, coal gas of high temperature and slag coflow, the smooth and easy and process stabilizing of deslagging.3, because the utility model is at more than 4 the fine coal burner of circumferential spaced set on vapourizing furnace top, and diameter and the axis of each fine coal burner and vapourizing furnace all have certain angle of inclination, fine coal burner hydrous water coal slurry burner forms rational rotational flow field in vapourizing furnace, therefore, not only strengthened coal gasification effect in vapourizing furnace, optimized gasifier water-cooling wall hanging slag " with slag anti-slag " effect, strengthened heat and mass transfer process, but also make deslagging more smooth and easy, even.4, because the utility model adopts multiple fine coal burners, therefore, greatly improved gasification powdered coal amount.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present utility model
Fig. 2 is the A-A cross-sectional schematic of Fig. 1
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail, but only the providing in order to understand better the utility model of accompanying drawing is provided, they not should be appreciated that paired restriction of the present utility model.
As shown in Figure 1, the utility model comprises that vapourizing furnace 1, one coaxial communication of a top closure, bottom end opening is at the radiation waste heat boiler 2 of vapourizing furnace 1 bottom.Wherein, vapourizing furnace 1 comprises the water wall 11 of a housing 10, one and set within it portion identical with housing 10 shapes, and the inwall of water wall 11 forms a coal gasification chamber 12.The furnace roof of vapourizing furnace 1 arranges the coal water slurry burner 13 of a connection coal water slurry pipeline (not shown) and coal gasification chamber 12, and 4 of the circumferential spaced sets on vapourizing furnace 1 top are communicated with the fine coal burner 14 of coal dust pipeline (not shown) and coal gasification chamber 12 above.
Radiation waste heat boiler 2 comprises that a diameter is greater than the housing 20 of housing 10, one is arranged in housing 20 and upper end is communicated with the centre channel water wall 21 of coal gasification chamber 12, one loop turn water wall 22 between housing 20 and centre channel water wall 21, an and slag bath 23 that is arranged on housing 20 bottoms, and the outside bending in the bottom of loop turn water wall 22 is to be fastenedly connected housing 20 inwalls, and top is fastenedly connected centre channel water wall 21.The outlet 24 of circumferentially equidistantly offering circular channel between some connection centre channel water wall 21 and loop turn water wall 22 on housing 20 tops.
In the above-described embodiments, between housing 10 and water wall 11, fill inert protective gas.
In the above-described embodiments, coal water slurry burner 13 coaxially arranges with vapourizing furnace 1, and the distance between the installation site of each fine coal burner 14 and vapourizing furnace 1 furnace roof is 1～5m.The angle of the axis of each fine coal burner 14 between the projection of burner mounting plane and the diameter of housing 10 is α, and 0 ° of <45 ° of < α (as shown in Figure 2); In addition, the angle of the axis of each fine coal burner 14 and burner mounting plane is β, and 0 ° of < β <30 °.
In the above-described embodiments, the furnace roof adiabatic method of vapourizing furnace 1 also can adopt the mixed structure of firebrick structure or water wall and refractory brick.
Describe use flow process of the present utility model below in detail:
The coal dust that fine coal burner 14 sprays into is gas, solid two-phase, and the coal water slurry that coal water slurry burner 13 sprays into is liquid, solid two-phase, and coal dust, coal water slurry three-phase material are in the interior fierce collision of vaporizer 12, burning heat release, generating gasification reaction.Coal gas of high temperature and slag flow into radiation waste heat boiler 2 through vapourizing furnace cinder notch 15 in the same way and under flowing to.In radiation waste heat boiler 2 centre channels, carry out heat exchange by the mode of radiation heat transfer, recovery part high temperature sensible heat with radiation waste heat boiler centre channel water wall 21.After heat exchange, coal gas from the centre channel bottom baffling of radiation waste heat boiler 2 upwards, continues heat exchange with radiation waste heat boiler ring shape channel water-cooling wall 22 in circular channel.Reclaim high temperature sensible heat process, after slag cooled and solidified, fall into and be positioned at the slag bath 23 of radiation waste heat boiler bottom and discharge.Cooled coal gas, from exporting 24 outflows, enters follow-up flow process and further processes.
In the above-described embodiments, vapourizing furnace 1 below can be also chilling process, and the lime-ash of coal gas of high temperature and melting directly enters shock chamber from cinder notch 15 by downtake and carries out water Quench, and chilling process is existing mature technology, introduces no longer in detail at this.
The various embodiments described above are only for illustrating the utility model; wherein the structure of each parts, mode of connection and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (5)
1. the powdered coal pressuring gasified device of multiaxis three-phase, is characterized in that: it comprises the vapourizing furnace of an one end sealing, the other end opening, and the radiation waste heat boiler of vapourizing furnace opening end described in a coaxial communication; Described vapourizing furnace comprises a housing, and one arranges the water wall of described housing inner side edge and bottom, and the inwall of described water wall forms a coal gasification chamber; The blind end of described vapourizing furnace arranges the coal water slurry burner of a connection coal water slurry pipeline and described coal gasification chamber, near the fine coal burner that some connection coal dust pipelines and described coal gasification chamber are circumferentially set of described vapourizing furnace blind end; Described coal water slurry burner and vapourizing furnace coaxially arrange, and the distance described in each between the installation site of fine coal burner and described vapourizing furnace furnace roof is 1～5m; Described in each, the angle of the axis of fine coal burner between the projection of burner mounting plane and the diameter of described housing is α, and 0 ° of < α <45 °; Described in each, the angle of the axis of fine coal burner and burner mounting plane is β, and 0 ° of < β <30 °.
2. the powdered coal pressuring gasified device of a kind of multiaxis three-phase as claimed in claim 1, it is characterized in that: described radiation waste heat boiler comprises that a diameter is greater than another housing of described housing, one is arranged in described another housing and upper end is communicated with the centre channel water wall of described coal gasification chamber, one is arranged on the loop turn water wall between described another housing and the cold wall of centre channel, an and slag bath that is arranged on described another housing bottom, and the outside bending in the bottom of described loop turn water wall is to be fastenedly connected the inwall of described another housing, the top of described loop turn water wall is fastenedly connected described centre channel water wall, the outlet of circumferentially offering circular channel between the described centre channel water wall of some connections and loop turn water wall on described another housing top.
3. the powdered coal pressuring gasified device of a kind of multiaxis three-phase as claimed in claim 1, is characterized in that: between described housing and water wall, fill inert protective gas.
4. the powdered coal pressuring gasified device of a kind of multiaxis three-phase as claimed in claim 2, is characterized in that: between described housing and water wall, fill inert protective gas.
5. the powdered coal pressuring gasified device of a kind of multiaxis three-phase as claimed in claim 1 or 2 or 3 or 4, is characterized in that: the furnace roof adiabatic method of described vapourizing furnace adopts the mixed structure of water wall structure, firebrick structure or water wall and refractory brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083842.3U CN203820729U (en) | 2014-02-26 | 2014-02-26 | Multi-shaft three-phase pulverized coal pressure gasifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083842.3U CN203820729U (en) | 2014-02-26 | 2014-02-26 | Multi-shaft three-phase pulverized coal pressure gasifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203820729U true CN203820729U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083842.3U Expired - Fee Related CN203820729U (en) | 2014-02-26 | 2014-02-26 | Multi-shaft three-phase pulverized coal pressure gasifying device |
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| CN (1) | CN203820729U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531219A (en) * | 2014-12-16 | 2015-04-22 | 中石化宁波工程有限公司 | Pressure gasification process for simultaneously gasifying powdered coal and coal water slurry |
| CN104531221A (en) * | 2014-12-16 | 2015-04-22 | 中石化宁波工程有限公司 | Gasification furnace structure capable of treating pulverized coal and water coal slurry simultaneously |
| CN105524660A (en) * | 2016-01-19 | 2016-04-27 | 郑州大学 | Novel opposed multi-nozzle type CWS (Coal Water Slurry) gasifier |
| CN106047418A (en) * | 2016-06-02 | 2016-10-26 | 哈尔滨工业大学 | Gasifier device combining water wall with refractory brick wall surfaces |
| CN106753574A (en) * | 2016-12-29 | 2017-05-31 | 上海熠能燃气科技有限公司 | A kind of airflow bed gasification furnace |
| CN108753370A (en) * | 2018-08-22 | 2018-11-06 | 安徽科达洁能股份有限公司 | A kind of manifold type gasification system and method |
| CN110229699A (en) * | 2019-07-18 | 2019-09-13 | 陕西德信祥能源科技有限公司 | Powder coal gasification furnace and gasification process with deflector type bilateral tube panel radiation waste pot |
| WO2021082942A1 (en) * | 2019-10-28 | 2021-05-06 | 中国华能集团清洁能源技术研究院有限公司 | Gasification device for treating waste solids and wastewater |
| CN115305119A (en) * | 2021-05-06 | 2022-11-08 | 卢玉升 | Radial gasification furnace |
-
2014
- 2014-02-26 CN CN201420083842.3U patent/CN203820729U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531221A (en) * | 2014-12-16 | 2015-04-22 | 中石化宁波工程有限公司 | Gasification furnace structure capable of treating pulverized coal and water coal slurry simultaneously |
| CN104531219B (en) * | 2014-12-16 | 2016-08-17 | 中石化宁波工程有限公司 | Gasification powdered coal and the pressure gasification process of water-coal-slurry while of a kind of |
| CN104531221B (en) * | 2014-12-16 | 2016-08-24 | 中石化宁波工程有限公司 | A kind of gasification furnace structure that can simultaneously process fine coal and water-coal-slurry |
| CN104531219A (en) * | 2014-12-16 | 2015-04-22 | 中石化宁波工程有限公司 | Pressure gasification process for simultaneously gasifying powdered coal and coal water slurry |
| CN105524660A (en) * | 2016-01-19 | 2016-04-27 | 郑州大学 | Novel opposed multi-nozzle type CWS (Coal Water Slurry) gasifier |
| CN106047418B (en) * | 2016-06-02 | 2019-02-22 | 哈尔滨工业大学 | A kind of water-cooling wall combines the gasifying furnace device of arrangement with refractory brick wall surface |
| CN106047418A (en) * | 2016-06-02 | 2016-10-26 | 哈尔滨工业大学 | Gasifier device combining water wall with refractory brick wall surfaces |
| CN106753574A (en) * | 2016-12-29 | 2017-05-31 | 上海熠能燃气科技有限公司 | A kind of airflow bed gasification furnace |
| CN108753370A (en) * | 2018-08-22 | 2018-11-06 | 安徽科达洁能股份有限公司 | A kind of manifold type gasification system and method |
| CN108753370B (en) * | 2018-08-22 | 2024-03-29 | 安徽科达洁能股份有限公司 | Coupled coal gasification system and method |
| CN110229699A (en) * | 2019-07-18 | 2019-09-13 | 陕西德信祥能源科技有限公司 | Powder coal gasification furnace and gasification process with deflector type bilateral tube panel radiation waste pot |
| WO2021082942A1 (en) * | 2019-10-28 | 2021-05-06 | 中国华能集团清洁能源技术研究院有限公司 | Gasification device for treating waste solids and wastewater |
| CN115305119A (en) * | 2021-05-06 | 2022-11-08 | 卢玉升 | Radial gasification furnace |
| CN115305119B (en) * | 2021-05-06 | 2024-05-14 | 卢玉升 | Radial gasification furnace |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20180226 |