CN102559284B - Large-scale biomass gasification and destructive distillation gas making engineering purification system - Google Patents
Large-scale biomass gasification and destructive distillation gas making engineering purification system Download PDFInfo
- Publication number
- CN102559284B CN102559284B CN201210012109.8A CN201210012109A CN102559284B CN 102559284 B CN102559284 B CN 102559284B CN 201210012109 A CN201210012109 A CN 201210012109A CN 102559284 B CN102559284 B CN 102559284B
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- Prior art keywords
- decoking device
- gas
- indirect cooler
- static decoking
- water separator
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- 238000000746 purification Methods 0.000 title claims abstract description 17
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 16
- 238000002309 gasification Methods 0.000 title claims abstract description 15
- 239000002028 Biomass Substances 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000005235 decoking Methods 0.000 claims abstract description 37
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 34
- 239000007789 gas Substances 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000010881 fly ash Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000002817 coal dust Substances 0.000 abstract 1
- 239000000567 combustion gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013327 media filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to a large-scale biomass gasification and destructive distillation gas making engineering purification system, which comprises a self-cooling deduster, an indirect cooler, a gas-water separator, an absorption tower and an electrostatic decoking device, wherein the indirect cooler is in a tabulation type and is provided with a tube pass and a shell pass, one end of the self-cooling deduster is connected with a gasification furnace, the other end of the self-cooling deduster is connected with the tube pass of the indirect cooler, an outlet end of the tube pass is connected with an inlet end of the gas-water separator, the shell pass of the indirect cooler is connected with a water circulating pump through a water pipe, the gas-water separator is connected with an inlet end of the electrostatic decoking device through the absorption tower, and the electrostatic decoking device is connected with an air storage tank. The invention thoroughly solves the problem of secondary pollution of circulating water, the operation cost of equipment is reduced, the purification efficiency is improved, the content of gas coal dust is stably controlled under 10mg/m3, the trouble of frequently replacing filter material is omitted, the operation cost of equipment is reduced, and the establishment and the safe and stable operation of a large-scale (2000m3/h) gasification station or a destructive distillation gas making station can be realized.
Description
Technical field
The present invention relates to a kind of macro-organism matter gasification, dry distillation gas production engineering purification system.
Background technology
Gasifying biomass, dry distillation gas production central gas supply technology are the emerging technologies that China rises in recent ten years, have been widely applied to rural area new forms of energy construction and other field.This technology relates to gas processed, purification, the large system process of transmission & distribution three.At present, the technique that gasifying biomass, dry distillation gas production central gas supply purification system adopt the direct spray washing of water more and adopt filtering material to filter combustion gas purifies combustion gas.There is following defect in this purification process: 1, the direct spray washing of water, although decontamination effect improving is better, can cause the secondary pollution of water, and cannot meet the requirement of environmental protection; 2, adopt filtering material to filter, often result in blockage systemic resistance is increased, so that system cannot normally move, must often change filtering material, not only trouble, the management material changing is also secondary pollution source, also increases running cost simultaneously.3, (be greater than 2000m for the gasification of macro-organism matter, dry distillation gas production system
3/ h), adopt the media filtration technique will be extremely difficult, investment is large, Maintenance Difficulty, running cost are high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, easy to maintenance, safe and reliable macro-organism matter gasification, dry distillation gas production engineering purification system.
The problem existing in order to solve prior art, the technical solution used in the present invention is:
The gasification of macro-organism matter, dry distillation gas production engineering purification system, include self cooling fly-ash separator, indirect cooler, air water separator, absorption tower and static decoking device, described indirect cooler is shell and tube and is provided with tube side and shell side, the inlet end of described self cooling fly-ash separator is connected with vapourizing furnace, the exit end of self cooling fly-ash separator is connected with the tube side of indirect cooler, the exit end of tube side is connected with the inlet end of air water separator, the shell side of indirect cooler is connected with water circulating pump by water pipe, the exit end of air water separator is connected with the inlet end of static decoking device by absorption tower, the exit end of static decoking device is connected with gas-holder.
The pipeline place, gas inlet of described static decoking device is provided with the oxygen on line analyzer chain with static decoking device administration of power supply.
The advantage that the present invention has and effect:
Macro-organism matter gasification of the present invention, dry distillation gas production engineering purification system, owing to adopting following structure: one end of self cooling fly-ash separator is connected with vapourizing furnace, the other end is connected with the tube side of indirect cooler, the exit end of tube side is connected with air water separator, the shell side of indirect cooler is connected with water circulating pump by water pipe, the exit end of air water separator is connected with static decoking device by absorption tower, and static decoking device is connected with gas-holder, therefore has the feature that one-piece construction is simple, production cost is low.The present invention adopts indirect cooler to replace the direct spray washing equipment of water, has thoroughly solved recirculated water secondary pollution problem.Adopt air water separator, absorption tower and static decoking device gas-cleaning installation to replace media filtration refining plant, improved purification efficiency, the stable 10mg/m that is controlled at of the burnt particle concentration of gas
3below, remove frequent replacing filtrate trouble from, reduce equipment running cost, can realize extensive (2000m
3/ h) foundation and the safe and stable operation at gasification station or dry distillation gas production station.Because the pipeline place, gas inlet at static decoking device is provided with the oxygen on line analyzer chain with static decoking device administration of power supply, in the time of static decoking device inlet gas oxygen level >=0.8%, automatically cut off static decoking device power supply, safe.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of macro-organism matter gasification of the present invention, dry distillation gas production engineering purification system.
In figure: self cooling fly-ash separator 1, indirect cooler 2, air water separator 3, absorption tower 4 static decoking devices 5, gas-holder 6, vapourizing furnace or retort 7, electrical control cubicles 8, rising pipe 9, water inlet pipe 10.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, macro-organism matter gasification of the present invention, dry distillation gas production engineering purification system include self cooling fly-ash separator 1, indirect cooler 2, air water separator 3, absorption tower 4 and static decoking device 5, described indirect cooler 2 is shell and tube, and be provided with tube side and shell side, make tube side leave with rage, water is walked shell side; Described self cooling fly-ash separator 1 is for clashing into decanter type, its inlet end is connected with vapourizing furnace or retort 7, the exit end of self cooling fly-ash separator 1 is connected with the tube side of indirect cooler 2, the exit end of tube side is connected with the inlet end of air water separator 3, the below of the shell side of indirect cooler 2 is provided with water inlet pipe 10, the top of shell side is provided with rising pipe 9, shell side is connected with water circulating pump by inlet tube and outlet tube, air water separator 3 is bell-jar, its exit end is connected with the inlet end of static decoking device 5 by absorption tower 4, and the exit end of static decoking device 5 is connected with gas-holder 6.Absorption tower 4 is material filling type; Static decoking device 5 is honeycomb fashion, and insulated case insulation adopts electrically heated, and static decoking device 5 is equipped with anti-explosion safety film and water washing device.Static decoking device 5 is connected with electrical control cubicles 8 by cable, and it is once 380 volt of 50 hz AC that 5 power supplies of static decoking device adopt, and secondary is 5---60,000 volts of high voltage direct current.The pipeline place, gas inlet of static decoking device 5 is provided with oxygen on line analyzer, and oxygen on line analyzer and static decoking device administration of power supply are chain, in the time of static decoking device inlet gas oxygen level >=0.8%, automatically cuts off static decoking device 5 power supplies.
Principle of work of the present invention is as follows:
From vapourizing furnace or retort 7 thick combustion gas out; through self cooling fly-ash separator 1 naturally cooling and remove macrobead dust; entering indirect cooler 2 carries out further cooling; remove moisture and the oil droplet in combustion gas through air water separator 3 and absorption tower 4 again; then enter static decoking device; 5, complete the final purification of combustion gas, become burnt particle concentration lower than 10mg/m
3qualified combustion gas, then send into gas-holder 6 in order to using by Root's blower.
Claims (2)
1. macro-organism matter gasification, dry distillation gas production engineering purification system, it is characterized in that including self cooling fly-ash separator, indirect cooler, air water separator, absorption tower and static decoking device, described indirect cooler is shell and tube and is provided with tube side and shell side, the inlet end of described self cooling fly-ash separator is connected with vapourizing furnace, the exit end of self cooling fly-ash separator is connected with the tube side of indirect cooler, the exit end of tube side is connected with the inlet end of air water separator, the shell side of indirect cooler is connected with water circulating pump by water pipe, the exit end of air water separator is connected with the inlet end of static decoking device by absorption tower, the exit end of static decoking device is connected with gas-holder, described air water separator is bell-jar, absorption tower is material filling type, static decoking device is honeycomb fashion, insulated case insulation adopts electrically heated, and static decoking device is equipped with anti-explosion safety film and water washing device, and static decoking device is connected with electrical control cubicles by cable, it is once 380 volt of 50 hz AC that the power supply of static decoking device adopts, and secondary is 5---60,000 volts of high voltage direct current.
2. macro-organism matter gasification according to claim 1, dry distillation gas production engineering purification system, is characterized in that the pipeline place, gas inlet of described static decoking device is provided with the oxygen on line analyzer chain with static decoking device administration of power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210012109.8A CN102559284B (en) | 2012-01-16 | 2012-01-16 | Large-scale biomass gasification and destructive distillation gas making engineering purification system |
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| CN201210012109.8A CN102559284B (en) | 2012-01-16 | 2012-01-16 | Large-scale biomass gasification and destructive distillation gas making engineering purification system |
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| CN102559284A CN102559284A (en) | 2012-07-11 |
| CN102559284B true CN102559284B (en) | 2014-05-21 |
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| CN104165405B (en) * | 2014-08-06 | 2017-05-24 | 东北大学 | Heating device of purification room applied after biomass gasification station is provided with firewall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060176Y (en) * | 2007-06-08 | 2008-05-14 | 神华乌海煤焦化有限责任公司 | Condensing works oxygen analyzer apparatus |
| CN201406417Y (en) * | 2009-05-07 | 2010-02-17 | 司振方 | Straw fuel gas purification plant |
| CN101993735A (en) * | 2010-12-03 | 2011-03-30 | 贝洪毅 | Biomass dry gasification centralized air supply system |
| CN202482288U (en) * | 2012-01-16 | 2012-10-10 | 贝洪毅 | Large-sized biomass gasification and dry distillation gas production engineering purification system |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI112665B (en) * | 1999-05-14 | 2003-12-31 | Fortum Oil & Gas Oy | Process and plant for gasification of carbonaceous material |
| CN2536589Y (en) * | 2002-03-28 | 2003-02-19 | 合肥天焱绿色能源开发有限公司 | Novel biomass gasification unit |
| CN2882795Y (en) * | 2006-04-17 | 2007-03-28 | 毛少祥 | Honeycomb type high voltage electrostatic tar removing dust cleaner |
| JP4727520B2 (en) * | 2006-07-18 | 2011-07-20 | 三菱重工業株式会社 | Biomass gasification system |
| CN101284995B (en) * | 2007-04-12 | 2011-10-26 | 陈天祥 | Biomass fuel gas gas-making method by dry method |
| CN101337202B (en) * | 2008-08-14 | 2011-02-16 | 邱瑞敏 | Electrostatic precipitation tar-removing device and non-aqueous technique thereof |
| JP5499645B2 (en) * | 2009-11-09 | 2014-05-21 | 株式会社Ｉｈｉ | Gasification gas purification wastewater treatment method and treatment equipment |
| CN102079998A (en) * | 2010-12-29 | 2011-06-01 | 林口信安建材板业有限公司 | Double-flow biomass gasified gas purification device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060176Y (en) * | 2007-06-08 | 2008-05-14 | 神华乌海煤焦化有限责任公司 | Condensing works oxygen analyzer apparatus |
| CN201406417Y (en) * | 2009-05-07 | 2010-02-17 | 司振方 | Straw fuel gas purification plant |
| CN101993735A (en) * | 2010-12-03 | 2011-03-30 | 贝洪毅 | Biomass dry gasification centralized air supply system |
| CN202482288U (en) * | 2012-01-16 | 2012-10-10 | 贝洪毅 | Large-sized biomass gasification and dry distillation gas production engineering purification system |
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