CN202186990U - Device for pyrogenation and gasification of organic solid waste - Google Patents
Device for pyrogenation and gasification of organic solid waste Download PDFInfo
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- CN202186990U CN202186990U CN2011201225979U CN201120122597U CN202186990U CN 202186990 U CN202186990 U CN 202186990U CN 2011201225979 U CN2011201225979 U CN 2011201225979U CN 201120122597 U CN201120122597 U CN 201120122597U CN 202186990 U CN202186990 U CN 202186990U
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- gasification
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- organic solid
- pyrogenation
- pyrolytic gasification
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Abstract
The utility model provides a device suited for pyrogenation and gasification of organic solid waste. An oxygen-enriched pyrogenation gasification furnace is communicated with a spiral feeding device through a cover plate; the interior of the oxygen-enriched pyrogenation gasification furnace is divided into a drying section, a pyrogenation gasification section, and a catalytic reduction section ash chamber from the top down in sequence; the pyrogenation gasification section is provided with a throat part; an annular water trough is arranged outside the inner chamber of the pyrogenation gasification section in a surrounding manner; a water vapor inlet is formed on the annular water trough; a gasification gas outlet with a downward outlet is additionally formed on the catalytic reduction section ash chamber, is communicated with a gasification gas output pipeline, passes through an alkali spray chamber, and is communicated with a cyclone dust extractor. The whole set of system is controlled by control software. The device has the advantages that problems such as high control difficulty, serious secondary pollution and the like caused by solid phase combustion can be solved effectively; the whole heat treatment process can be adjusted in a better way; organic solid waste can be treated more efficiently; contaminant can be controlled more efficiently; and practicable methods are provided for converting the organic solid waste into multipurpose combustible gases through pyrogenation.
Description
Technical field
The utility model relates to organic field of solid waste treating technology, especially a kind of organic solid castoff pyrolysis gasifying device.
Background technology
Environmental problem is one of important factor of the human survival and development of decision.Since the Industrial Revolution, the world industry degree improves day by day, is accompanied by the development of industrial scale and society, has produced a large amount of wastes, and is the most serious with the situation in city.Along with the rapid growth of economy, production constantly develops, and people's the level of consumption improves constantly, and solid waste such as industrial refuse and urban life solid waste are all in continuous increase.China is also lower for the utilising efficiency of waste at present; Cause the loss of " renewable resources " to reach 300～40,000,000,000 every year; Wherein the loss that recycling treatment did not cause of municipal wastes is used and the organic composition in these solid waste (organic solid castoff) can be used as resource mostly up to 20,000,000,000 yuan, utilizes organic solid castoff can also substitute the part fossil oil; For the sustainable development in pluralism that solves climate warming, promotion urban energy Supply Structure; Realize that national energy-saving and emission-reduction strategic objective has crucial meaning, this shows, reasonably the clean utilization organic solid castoff; Being not only the needs of environment protection, also is the needs of comprehensive utilization of resources.
The mode of handling at present organic solid waste roughly is divided into several kinds of landfill, partially recycled, part fermentation and thermal treatments etc.Because the efficient of rubbish thermal treatment is high, volume reduction rate is big, the part energy is capable of using, need not to take a large amount of land resourcess again, and especially its calorific value improves constantly, and many developed countries all adopt the thermal treatment method to handle solid waste.Be divided into burning method and pyrolytic gasification method in the thermal treatment method again, the former technology is comparatively ripe, and the latter then is a new developing technology in recent years.Guo etc. discover the MSW kinetics of combustion: complicated rubbish combustiblematerials is generalized into fiber substance and two big types of polymer class materials, has set up MSW pyrolysis and combustion mathematical model, and the proposition pyrolysis and combustion can suppress the generative theory of Dioxins etc.Galvagno and Dai etc. have studied the pyrolysis transformation mechanism and the technology of damaged tire.Lee etc. have proposed migration rule and the control method of heavy metal in combustion processes through to domestic garbage incineration flyash heavy metal specificity analysis.In addition, Wang and Mclachlan have studied the burning excitation and the characteristic of MSW derivatived fuel and agricultural wastes respectively.Because the MSW pyrolytic gasification can change into uniform mixing, the diversified inflammable gas of purposes with yardstick, rerum natura, the uneven blended solid waste of calorific value, and has advantages such as the energy recovery rate is high, pollution is little, thereby the pyrolytic gasification technology receives widely concern.
Still there are big, the easy problems such as secondary pollution, calorific value is low, exhaust smoke level is big that produce of solid phase (heterogeneous) burning control difficulty in present organic solid castoff pyrolytic gasification.
Summary of the invention
The purpose of the utility model provides a kind of device that is suitable for organic solid castoff pyrolytic gasification process, so for the organic solid castoff thermal transition be that multiduty combustible gas provides practicable device.
The utility model device is made up of screw feeding device, oxygen enrichment pyrolytic gasification stove, gasification gas output channel, alkaline spray booth, tornado dust collector, system.Said oxygen enrichment pyrolytic gasification stove is communicated with the screw feeding device through cover plate; Oxygen enrichment pyrolysis gasification furnace interior is divided into oven dry section, pyrolytic gasification section and catalytic reduction section ash chamber from top to bottom successively; The fire grate that is supported by back-up block between pyrolytic gasification section and the catalytic reduction section ash chamber separates, and said fire grate is the porous plate washer; The pyrolytic gasification section is provided with reducing place, in pyrolytic gasification section inner room periphery one annular water tank is set, and is provided with the water vapour import of annular water tank in the pyrolytic gasification section; Be provided with the downward gasification gas outlet of outlet in addition in catalytic reduction section ash chamber, gasification gas output channel exports with gasification gas on the vapourizing furnace and is communicated with, and through the parlkaline spray booth, and is connected with tornado dust collector.Whole system uses control software to control.
During the work of the utility model device; Organic solid castoff adds the screw feeding device at first through oven dry, break process, uses motor to stir at screw feeding device middle part; Increase input speed; Keep feed bin pressure simultaneously, realize sealing, organic solid castoff is delivered into the oxygen enrichment pyrolytic gasification stove through flange and air pressure.Organic solid castoff utilizes oxygen rich air and water vapour to gasify as gasifying medium in the oxygen enrichment pyrolytic gasification stove; And utilize the hot gas that produces to dry in the big zone of the oven dry section above body of heater.The reducing place pyrolytic gasification of organic solid castoff pyrolytic gasification section in furnace chamber produces high temperature, and the gas of generation circles round in high-temperature furnace body, increases the residence time, makes reaction more abundant, effectively decomposing pollutant.While inwall outer ring herein is provided with a circle annular water tank, when realizing insulation, produces hot steam.Through placing the fire grate of catalyzer, the water vapour generation high-temperature catalytic reforming reaction with body of heater itself produces has improved gasification gas quality to gasification gas before exporting through gasification gas, realizes that organic solid castoff gasifies, reforms integrated.Gasification gas during through the parlkaline spray booth, sprays alkaline matter in gasification gas output channel, absorb the sour gas in the gasification gas under the condition of high temperature, further reduces the generation of pollutents such as dioxin.The gasification gas entering tornado dust collector that spray through super-alkaline substance carry out solid removal, further the purified gas gasification.Complete assembly is provided with temperature-detecting device and pressure-detecting device in reducing, oven dry section, reforming sections, air outlet, fly-ash separator, and realizes input speed and the control that feeds gas flow through the variation of each point temperature and pressure through control software.Each detects a mouthful use bite type structure and seals.
The utlity model has following outstanding technique effect:
Organic solid castoff can be realized the charging sealing through suitably increasing spiral height and length in the screw feeding device; The double effects that is incubated and produces water vapour is played in the water tank heating of unnecessary heat supply vapourizing furnace water jacket in pyrolytic gasification; The water vapour that produces feeds perforated baffle in the vapourizing furnace, and on the one hand as organic solid castoff pyrolytic gasification medium, the while is the reactant of conduct gasification gas CR also; Through the design of end opening, reducing, make the gasification gas of generation in stove, realize circling round up and down, the residence time surpasses 3s, and the pollutent that effectively reduces sourness reduces carry over; Through the acidic substance in the further absorption gasification gas, thoroughly eliminate the presoma of pollutent such as dioxin; And carry out dedusting through tornado dust collector, obtain clean high-valued gasification gas.Realizing the organic solid castoff gasification, reforming the incorporate while, it is integrated to realize that whole system detects control.
The utility model device can effectively be eliminated problems such as the control difficulty that solid phase burning causes is big, secondary pollution is serious; Whole thermal treatment process is had regulate the space preferably; Help efficiently disposing organic solid castoff and to the control of pollutent, for the organic solid castoff thermal transition is that multiduty combustible gas provides practicable device.
Description of drawings
Fig. 1 is the utility model device one-piece construction figure;
Fig. 2 is the utility model device catalytic reduction section ash cell structure sectional view;
Description of reference numerals: 1, screw feeding device, 2, cover plate, 3, the oven dry section, 4, flange, 5, thermometer hole; 6, pyrolytic gasification section, 7, back-up block, 8, fire grate, 9, the outlet of gasification gas; 10, catalytic reduction section ash chamber, 11, ash discharging hole, 12, ash output hole, 13, tornado dust collector; 14, air outlet, 15, alkaline spray booth, 16, steam outlet, 17, vision slit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model content is further specified.
As shown in Figure 1; Present embodiment uses equipment mainly to be made up of devices such as screw feeding device 1, cover plate 2, oven dry section 3, pyrolytic gasification section 6, back-up block 7, fire grate 8, catalytic reduction section ash chamber 10, tornado dust collector 13, alkaline spray booths 15, forms a whole set of organic solid castoff oxygen enrichment pyrolysis system gas system.Each main part of vapourizing furnace uses flange 4 to connect sealing.Oven dry section 3 is communicated with pyrolytic gasification section 6.Pyrolytic gasification section 6 middle parts are designed with reducing place, and annular water tank is used in the outside of pyrolytic gasification section 6, and the water vapour of generation gets in the vapourizing furnace through 16, send out into gasification and reforming reaction, and water inlet is used the bite type structure with vapour outlet, keeps sealing.Pyrolytic gasification section 6 is provided with thermometer hole 5.Catalytic reduction section ash chamber 10 is positioned at the vapourizing furnace bottom, separates through fire grate 8 with pyrolytic gasification section 6, and fire grate 8 is placed on the back-up block 7.Be provided with ash discharging hole 11 in the catalytic reduction section ash chamber 10 and reach the gasification gas outlet 9 that Open Side Down.Be provided with vision slit 17 on the top of gasification furnace cover plate in addition.
Described fire grate 8 is many neutral gears plate, and bore dia is 1-2mm, and percentage of open area is 0.75-1.5%, and many neutral gears plate is a slab construction, and material is 316 stainless steels.
Be provided with gasification gas outlet 9 in addition in pyrolytic gasification section 6 bottoms, the outlet of gasification gas is communicated with tornado dust collector 13 through pipeline, and pipeline betwixt is provided with alkaline spray booth 15, and tornado dust collector 13 bottoms are provided with ash output hole 12, and top is communicated with air outlet 14.Utilize concavo-convex flange arrangement to realize sealing between the motor of screw feeding device 1 and the feeder; Raw material gets in the screw feeding device 1 through hopper, and flange seal is used at the top of feed bin, and screw feeding device 1 middle part uses motor to stir.The screw feeding device is installed in the gasifier outlet pipe is sprayed calcium powder, its structure also needs sealing.Gas through after the calcium powder deacidification gets into tornado dust collector 13 dedustings.Whole shaft does not need outside heat supply, can self-produced water vapour, get in the vapourizing furnaces generating gasification and reforming reaction through steam outlet 16.
As shown in Figure 2, be the section of structure of catalytic reduction section ash chamber, ash oontent problem of higher when giving vent to anger that this structure helps reducing the lower suction type vapourizing furnace helps increasing the residence time of gas in stove simultaneously, realizes upgrading.
Claims (4)
1. an organic solid castoff pyrolysis gasifying device is characterized in that being made up of screw feeding device, oxygen enrichment pyrolytic gasification stove, gasification gas output channel, alkaline spray booth, tornado dust collector; Said oxygen enrichment pyrolytic gasification stove is communicated with the screw feeding device through cover plate; Oxygen enrichment pyrolysis gasification furnace interior is divided into oven dry section, pyrolytic gasification section and catalytic reduction section ash chamber from top to bottom successively; The fire grate that is supported by back-up block between pyrolytic gasification section and the catalytic reduction section ash chamber separates, and said fire grate is the porous plate washer; The pyrolytic gasification section is provided with reducing place, in pyrolytic gasification section inner room periphery one annular water tank is set, and is provided with the water vapour import of annular water tank in the pyrolytic gasification section; Be provided with the downward gasification gas outlet of outlet in addition in catalytic reduction section ash chamber, gasification gas output channel exports with gasification gas on the vapourizing furnace and is communicated with, and through the parlkaline spray booth, and is connected with tornado dust collector.
2. organic solid castoff pyrolysis gasifying device according to claim 1 is characterized in that using motor to stir at screw feeding device middle part.
3. organic solid castoff pyrolysis gasifying device according to claim 1 is characterized in that being divided into two in the water vapour import of the annular water tank of said pyrolytic gasification section setting, reducing place that is arranged on the pyrolytic gasification section, and another is arranged on the fire grate place.
4. organic solid castoff pyrolysis gasifying device according to claim 1 is characterized in that complete assembly is provided with temperature-detecting device and pressure-detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201225979U CN202186990U (en) | 2011-04-22 | 2011-04-22 | Device for pyrogenation and gasification of organic solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201225979U CN202186990U (en) | 2011-04-22 | 2011-04-22 | Device for pyrogenation and gasification of organic solid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202186990U true CN202186990U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201225979U Expired - Lifetime CN202186990U (en) | 2011-04-22 | 2011-04-22 | Device for pyrogenation and gasification of organic solid waste |
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| CN (1) | CN202186990U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017608A (en) * | 2014-05-14 | 2014-09-03 | 上海鑫兴化工科技有限公司 | Fluid jet bed coal-to-synthetic gas gasification furnace |
| CN105950197A (en) * | 2016-06-16 | 2016-09-21 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis device and circulating fluidized bed combined system and coal processing method |
| CN106398771A (en) * | 2016-10-21 | 2017-02-15 | 上海蓝州环保科技有限公司 | Solid organic waste gasifying process capable of reducing dioxin emission |
| CN114907869A (en) * | 2022-05-25 | 2022-08-16 | 常州大学 | Wood waste segmented pyrolysis catalytic gasification hydrogen production device |
-
2011
- 2011-04-22 CN CN2011201225979U patent/CN202186990U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017608A (en) * | 2014-05-14 | 2014-09-03 | 上海鑫兴化工科技有限公司 | Fluid jet bed coal-to-synthetic gas gasification furnace |
| CN105950197A (en) * | 2016-06-16 | 2016-09-21 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis device and circulating fluidized bed combined system and coal processing method |
| CN106398771A (en) * | 2016-10-21 | 2017-02-15 | 上海蓝州环保科技有限公司 | Solid organic waste gasifying process capable of reducing dioxin emission |
| CN114907869A (en) * | 2022-05-25 | 2022-08-16 | 常州大学 | Wood waste segmented pyrolysis catalytic gasification hydrogen production device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
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| CX01 | Expiry of patent term |