CN2593067Y - Plasma pyrolytic gasifying apparatus for polymeric rejected material - Google Patents
Plasma pyrolytic gasifying apparatus for polymeric rejected material Download PDFInfo
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- CN2593067Y CN2593067Y CN 02250661 CN02250661U CN2593067Y CN 2593067 Y CN2593067 Y CN 2593067Y CN 02250661 CN02250661 CN 02250661 CN 02250661 U CN02250661 U CN 02250661U CN 2593067 Y CN2593067 Y CN 2593067Y
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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]
Abstract
The utility model relates to a plasma pyrolytic gasifying apparatus for polymeric rejected materials, which comprises a dc arc plasma generator (3), a plasma pyrolysis reactor, a plasma control system (2), a feeding system, a conical ash bucket (13) of a steam generator (11), a cracked gas after-treatment system, etc. The plasma pyrolysis reactor forms a cylindrical shape and is formed by four sections (4)-(7) with the same structure which are connected by flanges (18); a casing body (23) is a steel structure, the inner wall is a graphite layer (21), and the refractory material (22) is arranged between the casing body and the graphite. The utility model has the advantages that the reactor is formed by connection of four sections with the same structure, and thus, the utility model is convenient for maintenance and replacement. The user can obtain sectional sample and observation. The utility model uses a cyclone feed inlet, and thus, the utility model can promote the stay time of the material in the pyrolysis reactor to be increased and ensure complete pyrolysis reaction. The overheat water steam can be added sectionally, and thus, the water steam can be uniformly distributed in the plasma and the reaction material. As a consequence, the utility model reduces system energy consumption and is easy to form industrialization.
Description
Technical field
The utility model relates to a kind of plasma pyrolysis gasification installation, particularly relates to a kind of plasma pyrolysis gasification installation of high molecular waste material.
Background technology
Current both at home and abroad about the processing of high molecular waste material mainly based on machinery recovery, chemical recovery, burning and landfill etc.China has only minimum part plastic waste to carry out regeneration through reclaiming at present, and majority raw product again is of low grade, and the market requirement is little.Waste plastic goods in most of rubbish are still pressed landfill disposal with rubbish, because plastics are in light weight, volume is big, landfill takes up an area of many, and the plastics macromole can not be degraded voluntarily, and resource is not only wasted in long-term without putrefaction, and destroy soil, polluted underground water.The burning disposal method has and subtracts appearance, decrement effect preferably, but plastic waste burns the flue gas that normal generation contains poisonous pollutent in a large number, causes serious atmospheric pollution.Recently, chemical recycling for example the method for plastic waste catalytic pyrolysis preparing gasoline, diesel oil also be subjected to the very big attention of people.Cracking waste plastics system oil require carries out under pressure 0.2-0.5MPa, temperature 500-800 ℃ and catalyst action condition, the plastic waste raw material is under the effect of catalyzer and heat, by heat scission reaction and catalytic cracking reaction, hydrocarbon elementary composition macromolecular material transforms to low molecule fuel oil, obtains the product of similar gasoline, diesel oil behind condensate fractionation.At present the subject matter of cracking waste plastics system oil tech is that quality product is difficult to control and reaches the purpose that generation meets the gasoline and the diesel oil of national standard; The reaction effect of catalyzer is poor, oil yield is low; The suite of equipment complexity, power consumption is high, thermo-efficiency is low, occupation of land is big, cost is high, investment is big etc.
Plasma body is a kind of ionized state that excites, and is made up of the particle of electronegative particle such as electronics, positively charged such as positive ion and neutral particle such as atom etc.Plasma body can provide the reaction environment of a concentration of energy, temperature very high (can reach 5000K), not only can increase substantially chemical reaction rate, and produces the chemical reaction that normal temperature can not take place down.Most of plastics are the macromolecular compounds that are polymerized by C, H two element things in the crude oil, have characteristics such as high volatile, low ash content, high heating value.Under the high-temperature plasma effect, the plastic waste particle is heated rapidly, discharges volatile matter, and the plastics macromolecular cleavage mainly produces H
2, CH
4, C
2H
2And other small molecules hydrocarbon polymers.After adding water vapour in the reaction process, then produce H
2, CO, CH
4, C
2H
2It is main combustible gas.Utilizing this technology can solve waste plastic, damaged tire and other solid waste handles problems.
Chinese patent application 96199884 discloses the method and apparatus of producing coal gas with the plasma pyrolysis gasification of coal, it is with the air preheating with coal, generation low-temperature plasma stream, coal and the air sent in a large number later carry out perfect combustion and gasification under this reaction chamber hot environment.
The content of invention
The purpose of this utility model provides a kind of plasma pyrolysis gasification installation, is used for the plasma pyrolysis gasification of high molecular waste material, obtains valuable hydrogen or synthetic gas.
The purpose of this utility model is achieved in that it comprises dc arc plasma generator, plasma pyrolysis reactor, controlling plasma system, gas cylinder and pipe connecting, feed system feeding screw, hopper and whirlwind opening for feed, water vapour producer and vapour pipe, taper ash bucket, splitting gas after-treatment system cyclone separator, filtering system, chemical absorption system, this device is a connection mode structure up and down, top is plasma generator, and the bottom is the pyrolytic gasification reactor;
It is characterized in that the plasma pyrolysis reactor is a round shape, by identical four the saving flange and be formed by connecting of structure; Housing is a steel construction, and inwall is to be refractory materials between graphite linings, housing and the graphite; Top, first segment right side connects whirlwind opening for feed, first segment and top, the second joint left side and links to each other with the water vapour producer by vapour pipe, and the centre is provided with stopping valve; Each joint right side also has porthole, combustion gas thief hole and blower fan; Foot is the taper ash bucket, and top, ash bucket right side has individual gas outlet to connect cyclone separator, filtering system, chemical absorption system and blower fan successively; Two gas cylinders are connected to plasma generator and feed system respectively.
Described dc arc plasma generator, controlling plasma system are public technology, are produced and sold by Tsing-Hua University.The water vapour producer is a general-purpose equipment, and heating unit does not draw among the figure.
Advantage of the present utility model and positively effect are: (1) plasma pyrolysis reactor is assembled by four joints, and convenient for maintaining, replacing can also be observed in the segmentation sampling.(2) adopt the whirlwind opening for feed, material residence time in pyrolysis reactor is increased, make pyrolytic reaction complete.(3) segmentation adds overheated steam can provide a large amount of water vapour and it is uniformly distributed in plasma body and the reaction mass, has reduced system energy consumption.(4) the overheated steam import is respectively equipped with stopping valve, can add in reaction process or does not add water vapour according to producing needs.(5) this device is easy to industrialization, can be widely used in high molecular waste material, also can be used for the plasma pyrolysis gasification of coal, biomass, solid waste.
Further specify the utility model below in conjunction with accompanying drawing and concrete embodiment, but the utility model is not construed as limiting.
The drawing explanation
Accompanying drawing 1 is a structural representation of the present utility model; Accompanying drawing 2 is whirlwind opening for feed signal (cross section) figure.
Concrete embodiment
Fig. 1, the plasma pyrolysis gasification installation of high molecular waste material shown in Figure 2, comprise dc arc plasma generator (3), the plasma pyrolysis reactor, controlling plasma system (2), gas cylinder (1) and pipe connecting, feed system feeding screw (8), hopper (9) and whirlwind opening for feed (10), water vapour producer (11) and vapour pipe (12), taper ash bucket (13), splitting gas after-treatment system cyclone separator (15), filtering system (16), chemical absorption system (17), this device is a connection mode structure up and down, top is plasma generator, and the bottom is the pyrolytic gasification reactor;
It is characterized in that the plasma pyrolysis reactor is a round shape, four joint (4)-(7) identical by structure are formed by connecting with flange (18); Housing (23) is a steel construction, and inwall is to be refractory materials (22) between graphite linings (21), housing and the graphite; Top, first segment (4) right side connects whirlwind opening for feed, first segment (4) and top, second joint (5) left side and links to each other with water vapour producer (11) by vapour pipe (12), and the centre is provided with stopping valve; Each joint right side also has porthole (20), combustion gas thief hole (19) and blower fan (14); Foot is taper ash bucket (13), and top, ash bucket right side has individual gas outlet to connect cyclone separator (15), filtering system (16), chemical absorption system (17) and blower fan (14) successively; Two gas cylinders (1) are connected to plasma generator (3) and feed system respectively.
Use plasma pyrolysis gasification installation pyrolytic gasification high molecular waste material process as follows: (working gas can be N to working gas (1)
2, neutral gas such as Ar, also can be O
2Deng oxidizing gas, can also be H
2Deng reducing gas) in dc arc plasma generator (3), be ionized high-temperature plasma into about 5000K, enter plasma pyrolysis reactor pyrolysis zone (4)-(7); High molecular waste material rotates into pyrolysis zone through whirlwind opening for feed (10) under feeding screw (8) effect, the overheated steam of water vapour producer (11) generation simultaneously enters pyrolysis zone through vapour pipe (12), carries out the fast pyrogenation gasification reaction; The residue that gaseous product carries enters tornado dust collector (15) and further separates and cool off after the preliminary sedimentation of ash bucket (13), passes through filtering system (16) again and removes subparticle, enters chemical absorption system (17) and removes CO
2, NH
3Deng, obtain H at last
2, CO, CH
4, C
2H
2It is main combustible gas.
Claims (1)
1. the plasma pyrolysis gasification installation of a high molecular waste material, comprise dc arc plasma generator (3), the plasma pyrolysis reactor, controlling plasma system (2), gas cylinder (1) and pipe connecting, feed system feeding screw (8), hopper (9) and whirlwind opening for feed (10), water vapour producer (11) and vapour pipe (12), taper ash bucket (13), splitting gas after-treatment system cyclone separator (15), filtering system (16), chemical absorption system (17), this device is a connection mode structure up and down, top is plasma generator, and the bottom is the pyrolytic gasification reactor;
It is characterized in that the plasma pyrolysis reactor is a round shape, four joint (4)-(7) identical by structure are formed by connecting with flange (18); Housing (23) is a steel construction, and inwall is to be refractory materials (22) between graphite linings (21), housing and the graphite; Top, first segment (4) right side connects whirlwind opening for feed, first segment (4) and top, second joint (5) left side and links to each other with water vapour producer (11) by vapour pipe (12), and the centre is provided with stopping valve; Each joint right side also has porthole (20), combustion gas thief hole (19) and blower fan (14); Foot is taper ash bucket (13), and top, ash bucket right side has individual gas outlet to connect cyclone separator (15), filtering system (16), chemical absorption system (17) and blower fan (14) successively; Two gas cylinders (1) are connected to plasma generator (3) and feed system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02250661 CN2593067Y (en) | 2002-12-26 | 2002-12-26 | Plasma pyrolytic gasifying apparatus for polymeric rejected material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02250661 CN2593067Y (en) | 2002-12-26 | 2002-12-26 | Plasma pyrolytic gasifying apparatus for polymeric rejected material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2593067Y true CN2593067Y (en) | 2003-12-17 |
Family
ID=33720823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02250661 Expired - Fee Related CN2593067Y (en) | 2002-12-26 | 2002-12-26 | Plasma pyrolytic gasifying apparatus for polymeric rejected material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2593067Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297781C (en) * | 2004-04-14 | 2007-01-31 | 中国科学院广州能源研究所 | Method for treating solid organic waste substance using high frequency plasma |
| CN100381352C (en) * | 2006-02-25 | 2008-04-16 | 周开根 | Method and device for plasma producing hydrogen by using garbage biomass and water as raw material |
| CN101306796B (en) * | 2008-07-01 | 2010-10-27 | 周开根 | Plasma gasification equipment for changing garbage raw material to be syngas of high heat value |
| CN101468788B (en) * | 2008-04-25 | 2010-10-27 | 周开根 | System and apparatus for producing synthesis gas from garbage and biomass raw material |
| CN102226091A (en) * | 2011-05-18 | 2011-10-26 | 浙江工业大学 | Apparatus for producing synthetic gas by pyrolysis gasification of biomass |
| CN102260537A (en) * | 2011-06-10 | 2011-11-30 | 杨清萍 | Device for preparing combustible gas by virtue of plasma pyrolysis and oxygen-enriched combustion-supporting material |
| CN113201359A (en) * | 2021-03-16 | 2021-08-03 | 杭州三得农业科技有限公司 | Medium blocking temperature field hearth based on medium frequency heat accumulation and working method thereof |
| CN113401869A (en) * | 2021-08-03 | 2021-09-17 | 辽宁科技大学 | Double-tower-plate chemical-looping hydrogen production device and method for treating sludge biomass solid waste |
| CN115032029A (en) * | 2022-08-11 | 2022-09-09 | 中国科学技术大学 | Experimental device for exploring growth evolution of plasma synthesized nano material |
-
2002
- 2002-12-26 CN CN 02250661 patent/CN2593067Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297781C (en) * | 2004-04-14 | 2007-01-31 | 中国科学院广州能源研究所 | Method for treating solid organic waste substance using high frequency plasma |
| CN100381352C (en) * | 2006-02-25 | 2008-04-16 | 周开根 | Method and device for plasma producing hydrogen by using garbage biomass and water as raw material |
| CN101468788B (en) * | 2008-04-25 | 2010-10-27 | 周开根 | System and apparatus for producing synthesis gas from garbage and biomass raw material |
| CN101306796B (en) * | 2008-07-01 | 2010-10-27 | 周开根 | Plasma gasification equipment for changing garbage raw material to be syngas of high heat value |
| CN102226091A (en) * | 2011-05-18 | 2011-10-26 | 浙江工业大学 | Apparatus for producing synthetic gas by pyrolysis gasification of biomass |
| CN102260537A (en) * | 2011-06-10 | 2011-11-30 | 杨清萍 | Device for preparing combustible gas by virtue of plasma pyrolysis and oxygen-enriched combustion-supporting material |
| CN113201359A (en) * | 2021-03-16 | 2021-08-03 | 杭州三得农业科技有限公司 | Medium blocking temperature field hearth based on medium frequency heat accumulation and working method thereof |
| CN113401869A (en) * | 2021-08-03 | 2021-09-17 | 辽宁科技大学 | Double-tower-plate chemical-looping hydrogen production device and method for treating sludge biomass solid waste |
| CN115032029A (en) * | 2022-08-11 | 2022-09-09 | 中国科学技术大学 | Experimental device for exploring growth evolution of plasma synthesized nano material |
| CN115032029B (en) * | 2022-08-11 | 2023-02-28 | 中国科学技术大学 | Experimental device for exploring growth evolution of plasma synthesized nano material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031217 Termination date: 20111226 |