CN204434565U - With the vapourizing furnace of radiation waste pot - Google Patents
With the vapourizing furnace of radiation waste pot Download PDFInfo
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- CN204434565U CN204434565U CN201520077861.XU CN201520077861U CN204434565U CN 204434565 U CN204434565 U CN 204434565U CN 201520077861 U CN201520077861 U CN 201520077861U CN 204434565 U CN204434565 U CN 204434565U
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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 relates to a kind of vapourizing furnace with radiation waste pot, and what solve the existence of existing vapourizing furnace only produces low-pressure steam, adopts full water Quench, is with the problem that ash band water is serious, the manufacturing cycle is long, work-ing life is short.Technical scheme comprises shell, the top of described shell establishes coal dust burner as material inlet, slag exit is established in bottom, sidewall establishes syngas outlet, described housing upper section establishes gasification reactor chamber, hypomere establishes Quench assembly, radiation waste pot is established in the stage casing of described shell, and described gasification reactor chamber is communicated with radiation waste pot, Quench assembly successively through the outlet of slag gas; Described radiation waste pot comprises circumferential membrane wall and is positioned at the serrated knife shape membrane wall of circumferential membrane wall.The utility model structure is simple, energy-conserving and environment-protective, can improve efficiency of carbon conversion, strengthens coal adaptability, can efficient recovery part a certain amount of high pressure of high potential by-product or middle pressure steam, service life of equipment long.
Description
Technical field
The utility model relates to a kind of vapourizing furnace, specifically a kind of vapourizing furnace with radiation waste pot.
Background technology
At present, domestic and international dry coal powder gasification Technical comparing is many, and applying more has the technology such as Shell, GSP, space flight stove.Shell is pot destroying process, its quenching method is by recycle gas compressor, the partial synthesis gas of wash cooling is returned vapourizing furnace 1300 ~ 1600 DEG C of high-temperature crude synthesis gas are cooled to less than 900 DEG C, enter convection current exhaust-heat boiler and reclaim heat, this device structure is complicated, manufacturing cycle is long, there is no efficiency utilization high potential, invest high.GSP, space flight stove are slag gas and stream goes in the same direction, adopt full water Quench, 1300 ~ 1600 DEG C of high-temperature synthesis gas are directly reduced to about 200 DEG C, large losses high potential, only produce low-pressure steam, and the synthesis band of gas ash band water going out vapourizing furnace is serious, has a strong impact on the operation of lower procedure, washes and strengthen with clarification system investment.In addition, GSP and space flight stove are single nozzle, coal dust, oxygen and steam are by strong swirling flow atomizing in reaction chamber internal-combustion, and nozzle wear is serious, and nozzle region thermal load is large, easy generation high temperature corrosion, burner head easily produces high temperature fatigue etching crack, and nozzle life is short, and device can not long-term operation, crude synthesis gas ash content is large, and efficiency of carbon conversion is lower.
Summary of the invention
The purpose of this utility model is to solve the problems of the technologies described above, there is provided that a kind of structure is simple, energy-conserving and environment-protective, can efficiency of carbon conversion be improved, strengthen coal adaptability, can efficient recovery part a certain amount of high pressure of high potential by-product or middle pressure steam, band radiation waste pot that service life of equipment is long vapourizing furnace.
Technical scheme comprises shell, the top of described shell establishes coal dust burner as material inlet, slag exit is established in bottom, sidewall establishes syngas outlet, described housing upper section establishes gasification reactor chamber, hypomere establishes Quench assembly, radiation waste pot is established in the stage casing of described shell, and described gasification reactor chamber is communicated with radiation waste pot, Quench assembly successively through the outlet of slag gas; Described radiation waste pot comprises circumferential membrane wall and is positioned at the serrated knife shape membrane wall of circumferential membrane wall.
Described serrated knife shape membrane wall forms by organizing the radial membrane wall radially arranged symmetrically and evenly more, and the radial membrane wall of two adjacent groups is staggered front to back layout.
Described radiant boiler top layout has sootblower.
Described gasification reactor chamber is made up of addendum cone, middle cylinder and base cone from top to bottom.
Described gasification reactor chamber middle and upper part same level high uniformity is provided with 4-6 the burner that dusts; Gasification reactor chamber lower regions is 3:7 ~ 4:6 along the ratio that short transverse is divided into by the rational height of the described burner that dusts.
Described coal dust burner is uniform along gasification reaction chamber axis span centre, and its spout central line horizontal radial drift angle is 4 ~ 8 °.
Described Quench assembly comprises downtake and upcast, and the upper end of described downtake is connected with radiant boiler, and lower end is positioned at upcast.
The epimere inwall of described downtake is provided with chilling ring, and epimere outer wall is wound with cooling half pipe.
Downtake outer wall above described upcast is provided with calotte.
By arranging waste heat boiler for reclaiming the heat energy in slag gas in the middle part of vapourizing furnace, produce saturation steam, the heat in the high temperature sludge gas that the recyclable gasification reactor chamber of circumferential membrane wall comes, and form circumference shielding wall, forced draft flows to, protecting sheathing; Described serrated knife shape membrane wall forms by organizing the radial water wall radially arranged symmetrically and evenly more, the radial water wall of two adjacent groups is staggered front to back layout, this decoration form can make full use of the heat energy in effective space reclamation slag gas, make heat transfer element characteristics of compact layout, heat recovery efficiency is high, when can also effectively prevent slag gas from declining, slag hangs on water wall and constantly increases, blocking radiation waste pot.There is sootblower regularly to blow out high-speed gas downwards in radiant boiler top layout, the further water wall ensureing radiation waste pot is not stained with ash.
Described gasification reactor chamber is except being provided with go into operation igniter burner and 4-6 coal dust burner, multiple coal dust burner is arranged at same level high uniformity, dividing proportional by gasification reactor chamber lower regions along short transverse is 3:7 ~ 4:6, this is conducive to gasification reactor chamber and forms rational temperature field, to promote gasification reaction and slagging scorification on the membrane wall being conducive to gasification reactor chamber, make liquid slag in the surface flow of the solid slag formed, play with the effect of slag anti-slag, also the abrasion reducing coal dust burner is reached, improve the object in work-ing life, ensure that the long-term stability of vapourizing furnace is run.
Described coal dust burner is uniform along gasification reaction chamber axis span centre, and its spout central line horizontal radial drift angle is 4 ~ 8 °, and it is even that this is conducive to gasification reactor chamber membrane wall dross, increases coal dust in the residence time of reaction chamber, thus improves charcoal percent conversion.
Be uniformly distributed chilled water by chilling ring in Quench assembly, form uniform liquid film at downtake inwall, after liquid film evaporation, absorb the heat in slag gas, reduce slag temperature degree.Downtake hypomere and upcast stage casing and hypomere are soaked in water, and slag gas is by after water-bath, and gas solid separation, slagging-off ash disposal, temperature reduces further.Cooling half pipe is arranged on the outer wall of downtake epimere, improves the operating environment of downtake epimere, extends work-ing life.Calotte plays the effect changing the steam flow direction and gas-liquid separation, reduces the liquid in synthetic gas and fly ash content.
The utility model structure is simple, can improve vapourizing furnace efficiency of carbon conversion, strengthen coal adaptability, in conjunction with thermal radiation and water Quench, synthetic gas is lowered the temperature, energy efficient recovery part high potential, by-product high pressure or middle pressure steam, for subsequent handling, reduce chilled water consumption, reduce usage on black water amount, energy-conserving and environment-protective, have wide market application foreground.
Accompanying drawing explanation
Fig. 1 is the utility model gasification furnace structure schematic diagram.
Fig. 2 is the A-A schematic diagram of Fig. 1.
Fig. 3 is the B-B schematic diagram of Fig. 1.
Wherein, 1-coal dust burner, 2-gasification reactor chamber, the outlet of 3-slag gas, 4-radiation waste pot, 5-Quench assembly, 6-shell, 7-addendum cone, 8-middle cylinder, 9-base cone, 10-sootblower, 11-circumference membrane wall, 12-radial membrane wall, 13-chilling ring, 14-cooling half pipe, 15-downtake, 16-calotte, 17-upcast, 18-slag bath, 19-slag exit, 20-syngas outlet.
Embodiment
Below in conjunction with accompanying drawing, explanation is further explained to the utility model:
See Fig. 1, coal dust burner 1 is established on the top of described shell 6, bottom is slag bath 18 and establishes slag exit 20, sidewall establishes syngas outlet 21, described shell 6 epimere establishes gasification reactor chamber 2, radiation waste pot 4 is established in stage casing, hypomere establishes Quench assembly 5, and described gasification reactor chamber 2 is communicated with radiation waste pot 4, Quench assembly 5 successively through slag gas outlet 3.Described gasification reactor chamber 2 is made up of addendum cone 7, middle cylinder 8 and base cone 9 from top to bottom successively, and addendum cone 7, middle cylinder 8, base cone 9 and slag gas outlet 3 all adopts film water cold wall structure.
See Fig. 2, described gasification reactor chamber 2 middle and upper part same level height is evenly equipped with 4-6 coal dust burner 1 along gasification reactor chamber 2 axis span centre, its spout central line horizontal radial drift angle a is 4 ~ 8 °, see Fig. 1, gasification reactor chamber 2 lower regions is 3:7 ~ 4:6 along the ratio that short transverse is divided into by the rational height of described coal dust burner 1.
See Fig. 3, described radiation waste pot 4 comprises circumferential membrane wall 11 and is positioned at the serrated knife shape membrane wall of circumferential membrane wall, described serrated knife shape membrane wall forms by organizing the radial membrane wall 12 radially arranged symmetrically and evenly more, the radial membrane wall of two adjacent groups is staggered front to back layout, this decoration form can be maximum raising heat exchange efficiency, when effectively preventing slag gas from declining, slag hangs over generation membrane wall constantly increasing blocking radiation waste pot 4 problem.Described radiant boiler 4 top layout has sootblower 10, for regularly grey to blowing down.
See Fig. 1, described Quench assembly 5 comprises downtake 15 and upcast 17, and the upper end of described downtake 15 is connected with radiant boiler 4, and lower end is positioned at upcast 17.The epimere inwall of described downtake 15 is provided with chilling ring 13, and epimere outer wall is wound with cooling half pipe 14.Downtake 15 outer wall above described upcast 17 is provided with calotte 16.
Working process:
The mixture of coal dust, oxygen, water vapor is sprayed to enter in gasification reactor chamber 2 to react under high temperature action by 4-6 coal nozzle 1 and generates the slag inclusion synthetic gas (also known as slag gas) that temperature is 1400-1600 DEG C, described slag inclusion synthetic gas enters radiation waste pot 4 through slag gas outlet 3, slag inclusion gas is cooled to 600-700 DEG C by circumferential membrane wall 11 and serrated knife shape membrane wall, because serrated knife shape membrane wall is organize the radial membrane wall 12 radially arranged symmetrically and evenly more, order is descending to be simultaneously beneficial to slag inclusion gas converting heat, reduces the generation of blockage problem.The sootblower 10 of radiant boiler 4 top layout regularly blows out high-speed gas downwards, and the further membrane wall ensureing radiation waste pot 4 is not stained with ash.Slag inclusion gas after cooling enters Quench assembly 5 and comprises downtake 15, and the chilling ring 13 of downtake 15 epimere is uniformly distributed chilled water to decline inside pipe wall, forms uniform liquid film, absorb the heat in slag gas after liquid film evaporation at downtake inwall, reduces slag temperature degree.Downtake 15 hypomere and upcast 17 stage casing and hypomere are immersed in slag bath 18, slag inclusion synthetic gas is descending fallen into the water by downtake 15 after, gas solid separation is gone forward side by side a step-down temperature, slag falls into slag bath 18, gas is up along upcast 17 inwall, and one's water breaks continues to be folded to skidding after rising runs into calotte 16, realizes gas-liquid separation, liquid also carries part flying dust and drops in slag bath 18, goes out vapourizing furnace except the synthetic gas (temperature is 210 DEG C) after pulp water goes upward to syngas outlet 21.
For coal feeding amount 2200 tons of vapourizing furnaces, adopt the utility model vapourizing furnace carbon converter to reach 99%, chilled water consumption can reduce by 100 tons/hour, can the steam (pressure is 10.5MPa) of by-product 95 tons/hour.
Claims (9)
1. the vapourizing furnace with radiation waste pot, comprise shell, the top of described shell establishes coal dust burner as material inlet, slag exit is established in bottom, sidewall establishes syngas outlet, and described housing upper section establishes gasification reactor chamber, hypomere establishes Quench assembly, it is characterized in that, radiation waste pot is established in the stage casing of described shell, and described gasification reactor chamber is communicated with radiation waste pot, Quench assembly successively through the outlet of slag gas; Described radiation waste pot comprises circumferential membrane wall and is positioned at the serrated knife shape membrane wall of circumferential membrane wall.
2. the vapourizing furnace of band radiation waste pot as claimed in claim 1, it is characterized in that, described serrated knife shape membrane wall forms by organizing the radial membrane wall radially arranged symmetrically and evenly more, and the radial membrane wall of two adjacent groups is staggered front to back layout.
3. the vapourizing furnace of band radiation waste pot as claimed in claim 1, it is characterized in that, described radiant boiler top layout has sootblower.
4. the vapourizing furnace of band radiation waste pot as claimed in claim 1, it is characterized in that, described gasification reactor chamber is made up of addendum cone, middle cylinder and base cone from top to bottom.
5. the vapourizing furnace of the band radiation waste pot as described in claim 1 or 4, is characterized in that, described gasification reactor chamber middle and upper part same level high uniformity is provided with 4-6 the burner that dusts; Gasification reactor chamber lower regions is 3:7 ~ 4:6 along the ratio that short transverse is divided into by the rational height of the described burner that dusts.
6. the vapourizing furnace of band radiation waste pot as claimed in claim 5, it is characterized in that, described coal dust burner is uniform along gasification reaction chamber axis span centre, and its spout central line horizontal radial drift angle is 4 ~ 8 °.
7. the vapourizing furnace of the band radiation waste pot as described in any one of claim 1-4, is characterized in that, described Quench assembly comprises downtake and upcast, and the upper end of described downtake is connected with radiant boiler, and lower end is positioned at upcast.
8. the vapourizing furnace of band radiation waste pot as claimed in claim 7, it is characterized in that, the epimere inwall of described downtake is provided with chilling ring, and epimere outer wall is wound with cooling half pipe.
9. the vapourizing furnace of band radiation waste pot as claimed in claim 7, it is characterized in that, the downtake outer wall above described upcast is provided with calotte.
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| CN105950219A (en) * | 2016-06-30 | 2016-09-21 | 山西阳煤化工机械（集团）有限公司 | Synthetic gas/steam co-production gasifier |
| CN105950224A (en) * | 2016-06-28 | 2016-09-21 | 上海锅炉厂有限公司 | High-temperature coal gas cooling and washing device |
| CN106010663A (en) * | 2016-07-04 | 2016-10-12 | 马宏波 | Coal gasification device with waste boiler |
| CN106247300A (en) * | 2016-08-16 | 2016-12-21 | 安徽科达洁能股份有限公司 | A kind of radiation waste-heat boiler |
| CN106433790A (en) * | 2016-11-04 | 2017-02-22 | 中国船舶重工集团公司第七研究所 | Gasification equipment capable of preventing slag blockage and provided with heat recovery device |
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| 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 |
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| CN108977232A (en) * | 2018-02-07 | 2018-12-11 | 华东理工大学 | Radiation waste pot and cooling means for entrained flow gasification |
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| CN109504452A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | The gasification system of high-temperature synthesis gas total heat recovery |
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| CN109504446A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Gasification furnace |
| CN110564456A (en) * | 2019-09-27 | 2019-12-13 | 宁夏神耀科技有限责任公司 | gasification furnace with radiation waste boiler |
| CN113084380B (en) * | 2021-03-05 | 2022-06-14 | 山西阳煤化工机械（集团）有限公司 | On-site assembly method for synthesis gas/steam co-production gasification furnace |
| CN113084380A (en) * | 2021-03-05 | 2021-07-09 | 山西阳煤化工机械（集团）有限公司 | On-site assembly method for synthesis gas/steam co-production gasification furnace |
| CN114525154A (en) * | 2022-02-11 | 2022-05-24 | 安徽科达洁能股份有限公司 | Glass body melting gasification furnace, gasification system and gasification method |
| CN114525154B (en) * | 2022-02-11 | 2024-03-29 | 安徽科达洁能股份有限公司 | Glass body melting gasification furnace, gasification system and gasification method |
| CN116333786A (en) * | 2023-05-23 | 2023-06-27 | 山西阳煤化工机械（集团）有限公司 | Gasifier and multi-chamber balance adjusting device |
| CN116333786B (en) * | 2023-05-23 | 2023-07-28 | 山西阳煤化工机械（集团）有限公司 | Gasifier and multi-chamber balance adjusting device |
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