CN202945212U - Solid organic waste plasma gasifying treatment system - Google Patents
Solid organic waste plasma gasifying treatment system Download PDFInfo
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- CN202945212U CN202945212U CN 201220698771 CN201220698771U CN202945212U CN 202945212 U CN202945212 U CN 202945212U CN 201220698771 CN201220698771 CN 201220698771 CN 201220698771 U CN201220698771 U CN 201220698771U CN 202945212 U CN202945212 U CN 202945212U
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- organic castoff
- flying dust
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Abstract
The utility model discloses a solid organic waste plasma gasifying treatment system which is characterized by comprising a feeding part, a drying device, a gasifying furnace and a synthesis gas purifying device which are sequentially connected, wherein the feeding part comprises a feeding device (1) and a feeding channel (2); the drying device comprises a drying hot gas pipe (4) and a wet steam outlet (10); the gasifying furnace comprises a gasifying plasma spray gun (7), an atmosphere adjusting pipe (6), a gasifying chamber (8), a slag outlet (9) and an un-purified synthesis gas outlet (11); and the synthesis gas purifying device comprises a secondary heating plasma spray gun (12), a synthesis gas secondary heating area (13), a fly ash settling area (14), a fly ash setting basin (15), an ash outlet (16) and a pure synthesis gas outlet (17). The system disclosed by the utility model realizes high gasifying efficiency and stability in operation and prevents pollution.
Description
Technical field
The utility model relates to solid organic castoff plasma gasification treatment system, be mainly used in the solid organic castoff processing, can extract the synthetic gas that is rich in calorific value from solid organic castoff, be particularly suitable for the solid organic castoffs such as domestic refuse, damaged tire, rural area biofuel, low grade coal, belong to the solid waste processing technology field.
Background technology
Along with the fast development of industrialization and urbanization and the fast rise of material consumption level, the generation of solid organic castoff is increasing, and consequent environmental stress and municipal solid organic waste itself needs to be resolved hurrily as a kind of resource these problems of how going to be used better.Solid organic castoff has become the thorny problem in urban development, solid organic castoff not only causes public hazards, the huge waste of resource especially, the annual annual output per year in the municipal solid organic waste of several hundred million tons, " renewable resources " that is dropped is worth up to 25,000,000,000 yuan.Therefore, realize that solid organic castoff is innoxious, minimizing, recycling be the ultimate aim of processing.Along with natural increase and the economic sustained and rapid development of population, the use of conventional fossil oil is increasing fast, causes the huge supply pressure of present energy demand simultaneously.And present solid organic castoff itself is as a kind of energy, because the reason of technical development is not but well developed.
Gasification is the thermochemical method between burning and pyrolysis, and it is the process of generating gas that organic composition in refuse is reacted with vaporized chemical under oxygen deficient atmospheres, is generally that the heat absorption of other solid/liquid/gas reactions processed is provided by the partial combustion exothermic heat of reaction.The product of gasification reaction is combustion gas and lime-ash, and its product is single gaseous state combustion gas.Gasification is compared with pyrolysis, is more conducive to efficient energy utilization and strict pollution control, because gasification product is gas only, after-treatment system is simple, invests lowlyer, has both guaranteed good environment protecting, the combustion gas that generates can be used for again generating or heating, has realized recycling.
Solid organic castoff its elementary composition be mainly C, H and O.In addition, also comprise other secondary element slightly of N, S and some.For gasification reaction, due to the constituent contents such as N, S seldom, thereby can ignore.With the coal facies ratio, the carbon content of municipal solid organic waste is lower, and H/C and O/C are higher than quite.Thereby make it have higher volatile content, but calorific value is lower than general coal.In addition, because the constituent contents such as N, S in the urban life solid organic castoff are less, relatively low by N and the formed discharge amount of pollution of S composition in thermal conversion processes like this. the specific activity coal of its fixed carbon is much higher simultaneously.These characteristics have determined that the municipal solid organic waste is more suitable for gasification.
Generally adopt at present fixed bed gasification technique, fluidized bed gasifying process, entrained flow gasification technique and ebullated bed refuse gasification technique in gasification process, because these techniques all move past from Coal Gasification Technology, but because solid waste is different in moisture, ash, calorific value, fugitive constituent and ash fusion point from coal, and cause in use occurring different problems, therefore its use is very restricted.
The utility model content
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide that gasification efficiency is high, stable, free of contamination solid organic castoff plasma gasification treatment system, be particularly suitable for solid organic castoffs such as processing domestic refuse, damaged tire, rural area biofuel, low grade coal.
The technical solution of the utility model is as follows:
A kind of solid organic castoff plasma gasification treatment system comprises the feed part, drying installation, vapourizing furnace and the purified synthesis gas device that are connected successively; Feed partly comprises feeding device and feeder channel; Drying installation comprises dry heat tracheae and wetting vapour outlet; Vapourizing furnace comprises gasification plasma gun, atmosphere adjustable pipe, vaporizer, slag-drip opening and not decontaminating syngas outlet; The purified synthesis gas device comprises second-heating plasma gun, synthetic gas second heating zone, flying dust negative area, flying dust settling bowl, ash discharging hole and clean syngas outlet.
The feed part also comprises the first push pedal; To be pushed into drying installation from the solid organic castoff that feeder channel falls by the first push pedal.
Drying installation also comprises the second push pedal, by the second push pedal, dried solid organic castoff is pushed in vapourizing furnace.
Heat in the dry heat tracheae comes the cooling heat that discharges of the synthetic gas after self-purification.
Described vapourizing furnace also comprises explosion-proof equipment.
The atmosphere adjustable pipe is installed on a sidewall of vapourizing furnace, and explosion-proof equipment and gasification plasma gun are installed on another sidewall of vapourizing furnace, and explosion-proof equipment is positioned at above the gasification plasma gun; Form not the decontaminating syngas outlet at the top of vapourizing furnace, form slag-drip opening on the sidewall of the close bottom of vapourizing furnace.
An end at the synthetic gas second heating zone is installed the second-heating plasma gun, and the synthetic gas second-heating zone the other end is connected with the flying dust negative area, and the bottom of flying dust negative area is connected with the flying dust settling bowl, forms ash discharging hole on the side of flying dust settling bowl; Form clean syngas outlet on the side of flying dust negative area.
Gasification plasma gun and second-heating plasma gun adopt battery tube arc plasma gun.
The structure of flaring is adopted in described synthetic gas second-heating zone.
Flying dust negative area sectional area is greater than the regional sectional area of synthetic gas second-heating.
The utility model compared with prior art beneficial effect is:
(1) the plasma gasification treatment system of the utility model employing, the reactive behavior feature of employing energetic plasma can make solid organic castoff that high gasification efficiency is arranged, all have the resource of calorific value, in treating processes, all calorific value component materials can be changed efficiently.
(2) the plasma gasification treatment system of the utility model employing, under the effect of second-heating plasma gun, reduced the discharging of pollutent, particularly produced the De dioxins materials and suppressed to generate fully in the plasma gasification treatment system in burning and pyrolytic process.
(3) the plasma gasification treatment system that adopts of the utility model, the synthetic gas of output is rich in CO and H2, can work as geseous fuel and be used in engine and turbine or instead of natural gas is used in boiler.
(4) the plasma gasification treatment system of the utility model employing, owing to having passed through the high-temperature fusion process, in flying dust and slag, heavy metal obtains solidification treatment, has stopped the pollution to soil in environment and water source.
Description of drawings
Fig. 1 is plasma gasification treatment system one-piece construction schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, solid organic castoff plasma gasification treatment system of the present utility model comprises the feed part, drying installation, vapourizing furnace and the purified synthesis gas device that are connected successively.
Feed partly comprises feeding device 1, feeder channel 2 and the first push pedal 3; The first push pedal is arranged on feeder channel 2; To be pushed into drying installation from the solid organic castoff that feeder channel 2 falls by the first push pedal 3.Feeder channel 2 is that angle is the tilted tube about 45 degree-60 degree.
Drying installation comprises dry heat tracheae 4, the second push pedal 5 and wetting vapour outlet 10.Form wetting vapour outlet 10 at the top of drying installation, dry heat tracheae 4 and the second push pedal 5 are installed on the sidewall of drying installation.Provide heat by dry heat tracheae 4 to drying installation, the heat in dry heat tracheae 4 comes the cooling heat that discharges of the synthetic gas after self-purification.By the second push pedal 5, dried solid organic castoff is pushed in vapourizing furnace.
Vapourizing furnace comprises atmosphere adjustable pipe 6, gasification plasma gun 7, vaporizer 8, slag-drip opening 9 and not decontaminating syngas outlet 11, explosion-proof equipment 18.Atmosphere adjustable pipe 6 is installed on a sidewall of vapourizing furnace, can regulate the atmosphere in vaporizer 8 in the gasification reaction process, guarantee that the stable of gasification reaction carries out, explosion-proof equipment 18 and gasification plasma gun 7 are installed on another sidewall of vapourizing furnace, and explosion-proof equipment 18 is positioned at gasification plasma gun 7 tops; Form not decontaminating syngas outlet 11 at the top of vapourizing furnace, formation slag-drip opening 9 on the sidewall of close the bottom of vapourizing furnace.
The purified synthesis gas device comprises second-heating plasma gun 12, synthetic gas second heating zone 13, flying dust negative area 14, flying dust settling bowl 15, ash discharging hole 16 and clean syngas outlet 17.Synthetic gas second heating zone 13 is connected with the not decontaminating syngas outlet 11 of vapourizing furnace; An end at synthetic gas second heating zone 13 is installed second-heating plasma gun 12, synthetic gas second-heating zone 13 the other ends are connected with flying dust negative area 14, and the bottom of flying dust negative area 14 is connected with flying dust settling bowl 15, formation ash discharging hole 16 on the side of flying dust settling bowl 15; Form clean syngas outlet 17 on the side of flying dust negative area 14.The structure of flarings is adopted in described synthetic gas second-heating zone 13, and flying dust negative area 14 sectional areas reduce the travelling speed of air-flow greater than synthetic gas second-heating zone 13 sectional areas, guarantee the effect of settling of flying dust.
Working process of the present utility model is: solid organic castoff enters into drying installation by feeding device 1 and feeder channel 2, when piling up appears in supplied materials, utilize push pedal 3 that supplied materials is pushed into drying installation, synthetic gas after utilize purifying is cooling to be put thermogenetic heat and enters into dry heat tracheae 4, with these hot gas, the drying temperature of top (drying installation be 300-500 ℃) is carried out in charging, make the moisture in supplied materials reach the needed content of gasification, the wetting vapour after drying goes out exports 10 by wetting vapour and discharges.dried solid waste enters into vaporizer again, at atmosphere adjustable pipe 6, under the effect of gasification plasma gun 7, organic matter in waste reacts the temperature generating gasification of about 1450 ℃, carbon monoxide is rich in generation, the synthesis gas of hydrogen and methane and polymer hydro carbons mixture, explosion-proof equipment 18 is installed on vapourizing furnace, prevent from causing danger in the gasification reaction process, never decontaminating syngas outlet of synthetic gas and polymer hydro carbons mixture 11 enters into the purified synthesis gas device, non-flammable material such as metal, glass and mineral substance begin melting, and be fixed in non-diafiltration waste residue as a kind of metal alloy, waste residue is discharged from slag-drip opening 9.be mixed with the synthetic gas of polymer hydro carbons mixture under 12 effects of second-heating plasma gun, produce the heating power secondary combustion by producing plasma high-temperature gas (3000-5000 ℃), allow polymer hydro carbons mixture comprise tar generation cracking or transformation, and generation low molecular hydrocarbon gas, and remove dioxin by the heating power second-heating, furans, the objectionable impuritiess such as polycyclic aromatic hydrocarbons, the flying dust that carries in synthetic gas is deposited in flying dust settling bowl 15 by flying dust negative area 14, and discharge from ash discharging hole 16, then discharge by clean syngas outlet 17 through the synthetic gas that purifies, clean synthesis gas enters into storage tank or gas pipeline through overcooling, be fully used.
The utility model is specially adapted to solid organic castoff, when processing solid organic castoff, and can obtain to be rich in the synthetic gas of calorific value from organic waste, so use this technology, not only can reach minimizing, the recycling of solid organic castoff, also can provide strong support to the energy security supply of country.
The feed scope of the utility model treatment system contains the solid organic castoffs such as domestic refuse, damaged tire, rural area biofuel, low grade coal, can produce the synthesis gas that is rich in calorific value, becomes useless in protecting, and the resource utilization that reaches solid organic castoff is used.
The unspecified content of the utility model is known to the skilled person general knowledge.
Claims (10)
1. a solid organic castoff plasma gasification treatment system, is characterized in that, comprises the feed part, drying installation, vapourizing furnace and the purified synthesis gas device that are connected successively; Feed partly comprises feeding device (1) and feeder channel (2); Drying installation comprises dry heat tracheae (4) and wetting vapour outlet (10); Vapourizing furnace comprises gasification plasma gun (7), atmosphere adjustable pipe (6), vaporizer (8), slag-drip opening (9) and not decontaminating syngas outlet (11); The purified synthesis gas device comprises second-heating plasma gun (12), synthetic gas second heating zone (13), flying dust negative area (14), flying dust settling bowl (15), ash discharging hole (16) and clean syngas outlet (17).
2. solid organic castoff plasma gasification treatment system according to claim 1 is characterized in that: the feed part also comprises the first push pedal (3); To be pushed into drying installation from the solid organic castoff that feeder channel (2) fall by the first push pedal (3).
3. solid organic castoff plasma gasification treatment system according to claim 1, it is characterized in that: drying installation also comprises the second push pedal (5), by the second push pedal (5), dried solid organic castoff is pushed in vapourizing furnace.
4. solid organic castoff plasma gasification treatment system according to claim 1, it is characterized in that: the heat in dry heat tracheae (4) comes the cooling heat that discharges of the synthetic gas after self-purification.
5. solid organic castoff plasma gasification treatment system according to claim 1, it is characterized in that: described vapourizing furnace also comprises explosion-proof equipment (18).
6. solid organic castoff plasma gasification treatment system according to claim 5, it is characterized in that: atmosphere adjustable pipe (6) is installed on a sidewall of vapourizing furnace, explosion-proof equipment (18) and gasification plasma gun (7) are installed on another sidewall of vapourizing furnace, and explosion-proof equipment (18) is positioned at above gasification plasma gun (7); Form not decontaminating syngas outlet (11) at the top of vapourizing furnace, form slag-drip opening (9) on the sidewall of the close bottom of vapourizing furnace.
7. solid organic castoff plasma gasification treatment system according to claim 1, it is characterized in that: the end at synthetic gas second heating zone (13) is installed second-heating plasma gun (12), synthetic gas second heating zone (13) the other end is connected with flying dust negative area (14), the bottom of flying dust negative area (14) is connected with flying dust settling bowl (15), forms ash discharging hole (16) on the side of flying dust settling bowl (15); Form clean syngas outlet (17) on the side of flying dust negative area (14).
8. solid organic castoff plasma gasification treatment system according to claim 1, is characterized in that: gasification plasma gun (7) and second-heating plasma gun (12) employing battery tube arc plasma gun.
9. solid organic castoff plasma gasification treatment system according to claim 1, is characterized in that: the structure of described synthetic gas second heating zone (13) employing flaring.
10. solid organic castoff plasma gasification treatment system according to claim 1, it is characterized in that: described flying dust negative area (14) sectional area is greater than synthetic gas second heating zone (13) sectional area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698771 CN202945212U (en) | 2012-12-11 | 2012-12-11 | Solid organic waste plasma gasifying treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220698771 CN202945212U (en) | 2012-12-11 | 2012-12-11 | Solid organic waste plasma gasifying treatment system |
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| CN202945212U true CN202945212U (en) | 2013-05-22 |
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| CN 201220698771 Expired - Lifetime CN202945212U (en) | 2012-12-11 | 2012-12-11 | Solid organic waste plasma gasifying treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021167560A1 (en) * | 2020-02-18 | 2021-08-26 | Anadolu Plazma Teknoloji Enerji Danismanlik Arastirma Ve Geli̇istirme Merkezi Sanayi Ticaret Limited Sirketi | The use of plasma to reduce flue gas emissions in systems working with fossil fuels |
-
2012
- 2012-12-11 CN CN 201220698771 patent/CN202945212U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021167560A1 (en) * | 2020-02-18 | 2021-08-26 | Anadolu Plazma Teknoloji Enerji Danismanlik Arastirma Ve Geli̇istirme Merkezi Sanayi Ticaret Limited Sirketi | The use of plasma to reduce flue gas emissions in systems working with fossil fuels |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |