CN106167712A - A kind of system and method for microwave-assisted pyrolysis solid organic waste substances - Google Patents

A kind of system and method for microwave-assisted pyrolysis solid organic waste substances Download PDF

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Publication number
CN106167712A
CN106167712A CN201610553658.4A CN201610553658A CN106167712A CN 106167712 A CN106167712 A CN 106167712A CN 201610553658 A CN201610553658 A CN 201610553658A CN 106167712 A CN106167712 A CN 106167712A
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China
Prior art keywords
pyrolysis
microwave
organic waste
solid organic
waste substances
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Pending
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CN201610553658.4A
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Chinese (zh)
Inventor
蒋忠新
蒋颖
卢永康
符振艾
黄礼智
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Changsha Plus Environmental Protection Technology Co Ltd
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Changsha Plus Environmental Protection Technology Co Ltd
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Priority to CN201610553658.4A priority Critical patent/CN106167712A/en
Publication of CN106167712A publication Critical patent/CN106167712A/en
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
    • C10B53/00Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/002Removal of contaminants
    • C10K1/003Removal of contaminants of acid contaminants, e.g. acid gas removal
    • C10K1/005Carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10KPURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00Purifying combustible gases containing carbon monoxide
    • C10K1/08Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/10Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids
    • C10K1/12Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors
    • C10K1/122Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with aqueous liquids alkaline-reacting including the revival of the used wash liquors containing only carbonates, bicarbonates, hydroxides or oxides of alkali-metals (including Mg)
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to the system and method for a kind of microwave-assisted pyrolysis solid organic waste substances, its system includes feeding system, transportation system, pyrolysis system, isolation of purified system and blood circulation.Its method comprises the following steps: the debirs in (1) hopper are transported to pyrolysis system by spiral/ribbon conveyer;(2) debirs are pyrolyzed by pyrolysis system, produce volatilizable component and residue;(3) isolation of purified system carries out isolation of purified to volatilizable component.The present invention can effectively process solid organic waste substances, reduces environmental pollution, reaches the purpose of resource reclaim recycling.

Description

A kind of system and method for microwave-assisted pyrolysis solid organic waste substances
Technical field
The invention belongs to debirs processing technology field, be specifically related to a kind of microwave-assisted pyrolysis solid organic waste substances System and method.
Background technology
Noxious waste pollution is the one of the main reasons of puzzlement current social sustainable development.Currently for organic solid It is landfill method or burning method process that body garbage generally uses.Waste guaveyard produces containing a large amount of during Waste disposal The leachate contamination environment of pollutant.Burning facility one-time investment is big, and outside operating cost height, it usually requires that solid waste There is the calorific value that comparison is high.And, the harmful gas such as dioxin produced in burning process, can cause cancer, dermatosis etc..This The most traditional processing method can not effectively process solid waste, it is difficult to reach solid pollutant preventing and treating " minimizing, innoxious, Resource " target.In recent years, the focus that pyrolysis processing technology is increasingly becoming.
In prior art, pyrolysis treatment apparatus includes being pyrolyzed storehouse and providing the heating cabinet of heat, organic solid to pyrolysis storehouse Pyrolytic reaction by external heat pyrolysis storehouse in high temperature anaerobic be pyrolyzed, waste heat is not fully utilized, and pyrolysis time is long, place Reason speed is slow, and additionally arranges heating cabinet and add capital invested to a certain extent.
Summary of the invention
It is an object of the invention to provide a kind of efficiently, the system and method for the microwave-assisted pyrolyzing organic waste of environmental protection.
For solving the problem that prior art exists, the technical solution adopted in the present invention is:
A kind of system of microwave-assisted pyrolysis solid organic waste substances, clean including feeding system, transportation system, pyrolysis system, separation Change system and blood circulation.Described transportation system includes electromotor, conveying arrangement and vacuum pump;Described isolation of purified system includes Condenser, separator and scrubber;Described blood circulation includes waste heat circulation system and gas-circulating system;Described feeding system Including a hopper, hopper top is provided with charge door, and hopper bottom is provided with discharging opening, and by described discharging opening and described fortune Communication system connects;Described pyrolysis system includes that pyrolysis chamber, each pyrolysis chamber are provided with supersonic generator, microwave generator and Double-screw;Each pyrolysis chamber is connected with described hopper by waste heat circulation pipeline, and described pyrolysis chamber is also associated with residue and collects Room.
Further, described conveying arrangement is spiral/ribbon conveyer;Described spiral/ribbon conveyer uses glass to compile Ribbon, and described glass-weave band become according to pyrolysis system gateway change of shape by shape during described pyrolysis system Change.
Further, the end of described Double-screw is provided with low nitrogen oxide burner.
Further, described gas-circulating system includes gas circulation line and synthesis gas gas storage storehouse, and by described Gas circulation line communicates with described pyrolysis system;Described synthesis gas gas storage storehouse is provided with piezometer, and and gas turbine generating Machine is connected by pipeline;It is additionally provided with flow on pipeline between described synthesis gas gas storage storehouse and described GTG Meter;Described GTG connects on and off switch and power meter.
Further, described condenser include low-temperature condenser and traditional condenser, described separator include manually and/or Automaton and drum sieve.
Present invention also offers a kind of debirs utilizing above-mentioned microwave-assisted pyrolysis solid organic waste substances system to process Method, including step: the debirs in (1) hopper are transported to pyrolysis system by spiral/ribbon conveyer, and are transporting Journey carries out evacuation;(2) debirs are pyrolyzed by pyrolysis system, produce volatilizable component and residue;(3) separate only Change system carries out isolation of purified to volatilizable component.
Further, the pyrolytic process of described step (2) is: debirs in the first pyrolysis chamber through supersonic generator and Microwave generator microwave discharge is pyrolyzed, and produces water, Hydrocarbon, Particulate carbon and various carbon, oxygen, nitrogen, sulfur and contains halogen Compound;In these products, volatilizable component heats entrance and first through the low nitrogen oxide burner of Double-screw end In the low-temperature condenser that pyrolysis chamber connects, solid constituent becomes particle diameter to be less than the granule of 2 nm through crusher in crushing, subsequently into the The pyrolysis of two pyrolysis chambers;Product after the pyrolysis of second pyrolysis chamber includes volatilizable component and solid residue, volatilizable component warp The low nitrogen oxide burner heating crossing Double-screw end enters in the low-temperature condenser being connected with the second pyrolysis chamber, and solid is residual Slag enters residue collecting chamber, removes by vacuum rotating.
Further, described microwave generator and supersonic generator started in 15 seconds;Described debirs are through microwave The time that generator microwave discharge processes is 5 seconds;Described pyrolysis temperature keeps below 190 DEG C;The master of described microwave generator is defeated Going out power is 2.8 ghz, and discharge frequency scope is 0.8 ~ 100 ghz;Described low nitrogen oxide burner is by thermal decomposition product temperature It is promoted to 500 ~ 750 DEG C.
Further, the isolation of purified process of described step (3) is: volatilizable component is carried along into separating only by air-flow Change system, through low-temperature condenser concentrating and separating in described isolation of purified system;Residual gas is the coldest through traditional condenser Enter in scrubber through sodium hydroxide solution washing, purifying after solidifying separation;Described air-flow include from hydrogen, water vapour, carbon dioxide, The mixed gas selected in the component such as carbon monoxide and methane.
Further, the processing procedure of described step (1) ~ (3) is carried out in confined space;Described confined space keeps also Originality atmosphere.
The present invention has the advantages that relative to prior art
(1) processing modes of two grades of pyrolysis are used thoroughly to be pyrolyzed organic solid waste so that it is to change into and with combustion gas and white carbon black be The main depot energy, it is achieved that recycling of resource.
(2) whole processing procedure is carried out in closed system, it is to avoid the secondary pollution to environment.
(3) microwave generator and supersonic generator are set in pyrolysis chamber, use ultrasound wave and microwave discharge to process At a temperature of relatively low being pyrolyzed organic solid waste, then heat through nitrogen oxide burner, processing speed is fast, and efficiency is high, nothing Other heating cabinet need to be set, simplify device structure, reduce capital invested.
(4) the microwave waste heat of pyrolysis chamber is recycled to hopper through waste heat circulation pipeline, enters the organic solid waste in hopper Row preheating and drying, it is not necessary to drying device is set specially, simplifies device structure further, it also avoid the waste of heat.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the system of microwave-assisted of the present invention pyrolysis solid organic waste substances.
Fig. 2 is the debirs process flow figure of the present invention.
Detailed description of the invention
Describe the present invention below with reference to detailed description of the invention shown in the drawings.The organic solid of the present invention Refuse microwave-assisted pyrolysis system can be used to process junked tire, waste or used plastics, waste and old resin, municipal domestic organic refuse, work Industry organic waste materials, the organic solid waste such as mud and medical waste.
Embodiment
With reference to Fig. 1, according to the system of a kind of microwave-assisted of present invention pyrolysis solid organic waste substances, including feeding system, fortune Communication system 2, pyrolysis system, isolation of purified system and blood circulation.Described transportation system 2 includes electromotor, conveying arrangement and true Empty pump;Described isolation of purified system includes condenser, separator and scrubber 9;Described blood circulation includes waste heat circulation system 6 With gas-circulating system 14;Described feeding system includes that a hopper 1, hopper 1 top are provided with charge door 1-1, and hopper bottom sets It is equipped with discharging opening 1-2, and is connected with described transportation system by described discharging opening 1-2;Described pyrolysis system includes the first pyrolysis Room 3 and the second pyrolysis chamber 4, each pyrolysis chamber is provided with supersonic generator, microwave generator and Double-screw, Double-screw End be provided with low nitrogen oxide burner;Each pyrolysis chamber is connected with described hopper 1 by waste heat circulation pipeline 6, described Second pyrolysis chamber 4 is also associated with residue collecting chamber 5.
Conveying arrangement is spiral/ribbon conveyer, uses glass-weave band, and when glass-weave band passes through pyrolysis system Shape according to pyrolysis system gateway change of shape and change.
Gas-circulating system includes gas circulation line 14 and synthesis gas gas storage storehouse 10, and by gas circulation line 14 Communicate with pyrolysis system;Synthesis gas gas storage storehouse 10 is provided with piezometer 10-1, and with GTG 11 by pipeline phase Even;It is additionally provided with effusion meter 10-2 on pipeline between synthesis gas gas storage storehouse 10 and GTG 11;Gas turbine is sent out Motor 11 connects on and off switch 13 and power meter 12.
Condenser includes low-temperature condenser 7 and traditional condenser 8, and separator includes manual and/or automatic device and circle Shaft screen.
Below with reference to Fig. 2, solid organic waste substances processing method according to embodiments of the present invention is described.
A kind of SOLID ORGANIC solid waste treatment method, including step: the debirs in (1) hopper pass through spiral/band Formula transporter is transported to pyrolysis system, and carries out evacuation in transportation;(2) pyrolysis system carries out heat to debirs Solve, produce volatilizable component and residue;(3) isolation of purified system carries out isolation of purified to volatilizable component.
The pyrolytic process of step (2) is: debirs are micro-through supersonic generator and microwave generator in the first pyrolysis chamber Ripple electric discharge pyrolysis, produces water, Hydrocarbon, Particulate carbon and various carbon, oxygen, nitrogen, sulfur and halogen contained compound;These produce In thing, volatilizable component heats what entrance was connected with the first pyrolysis chamber through the low nitrogen oxide burner of Double-screw end In low-temperature condenser, solid constituent becomes particle diameter to be less than the granule of 2 nm through crusher in crushing, subsequently into the pyrolysis of the second pyrolysis chamber; Product after the pyrolysis of second pyrolysis chamber includes volatilizable component and solid residue, and volatilizable component is through Double-screw end Low nitrogen oxide burner heating enter in the low-temperature condenser that is connected with the second pyrolysis chamber, solid residue entrance residue collection Room, removes by vacuum rotating.
Microwave generator and supersonic generator started in 15 seconds;Described debirs are through microwave generator microwave discharge The time processed is 5 seconds;Described pyrolysis temperature keeps below 190 DEG C;The main output of described microwave generator is 2.8 Ghz, discharge frequency scope is 0.8 ~ 100 ghz;Thermal decomposition product temperature is promoted to 500 ~ 750 by described low nitrogen oxide burner ℃。
The isolation of purified process of step (3) is: volatilizable component is carried along into isolation of purified system by air-flow, described Through low-temperature condenser concentrating and separating in isolation of purified system;Residual gas enters after the further condensation separation of traditional condenser and washes Wash in device through sodium hydroxide solution washing, purifying;Described air-flow includes from hydrogen, water vapour, carbon dioxide, carbon monoxide and methane Etc. the mixed gas selected in component.
The processing procedure of step (1) ~ (3) is carried out in confined space;Described confined space keeps reducing atmosphere.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, And all these modifications and variations all should belong to the protection domain of claims of the present invention.

Claims (10)

1. a system for microwave-assisted pyrolysis solid organic waste substances, including feeding system, transportation system, pyrolysis system, separation Cleaning system and blood circulation, it is characterised in that: described transportation system includes electromotor, conveying arrangement and vacuum pump;
Described isolation of purified system includes condenser, separator and scrubber;
Described blood circulation includes waste heat circulation system and gas-circulating system;
Described feeding system includes a hopper, and hopper top is provided with charge door, and hopper bottom is provided with discharging opening, and passes through institute State discharging opening to connect with described transportation system;
Described pyrolysis system includes that pyrolysis chamber, each pyrolysis chamber are provided with supersonic generator, microwave generator and Double helix Bar;Each pyrolysis chamber is connected with described hopper by waste heat circulation pipeline, and described pyrolysis chamber is also associated with residue collecting chamber.
The system of microwave-assisted the most according to claim 1 pyrolysis solid organic waste substances, it is characterised in that: described transport dress It is set to spiral/ribbon conveyer;Described spiral/ribbon conveyer uses glass-weave band, and described glass-weave band passes through Shape during described pyrolysis system changes according to pyrolysis system gateway change of shape.
The system of microwave-assisted the most according to claim 1 pyrolysis solid organic waste substances, it is characterised in that: described Double helix The end of bar is provided with low nitrogen oxide burner.
The system of microwave-assisted the most according to claim 1 pyrolysis solid organic waste substances, it is characterised in that: described gas follows Loop systems includes gas circulation line and synthesis gas gas storage storehouse, and by described gas circulation line and described pyrolysis system phase Logical;Described synthesis gas gas storage storehouse is provided with piezometer, and is connected by pipeline with GTG;Described synthesis gas gas storage It is additionally provided with effusion meter on pipeline between storehouse and described GTG;Described GTG connects power supply Switch and power meter.
The system of microwave-assisted the most according to claim 4 pyrolysis solid organic waste substances, it is characterised in that: described condenser Including low-temperature condenser and traditional condenser, described separator includes manual and/or automatic device and drum sieve.
6. the SOLID ORGANIC of the microwave-assisted pyrolyzing organic waste system utilized in claim 1-5 described in any one is given up Substance treating method, including step: the debirs in (1) hopper are transported to pyrolysis system by spiral/ribbon conveyer, and Transportation carries out evacuation;(2) debirs are pyrolyzed by pyrolysis system, produce volatilizable component and residue;(3) Isolation of purified system carries out isolation of purified to volatilizable component.
Solid organic waste substances processing method the most according to claim 6, it is characterised in that: the pyrolysis of described step (2) Cheng Wei: debirs are pyrolyzed through supersonic generator and microwave generator microwave discharge in the first pyrolysis chamber, produce water, hydrocarbonization Compound, Particulate carbon and various carbon, oxygen, nitrogen, sulfur and halogen contained compound;In these products, volatilizable component is through double spiral shells The low nitrogen oxide burner heating of swing arm end enters in the low-temperature condenser being connected with the first pyrolysis chamber, and solid constituent is through broken Broken crusher machine becomes particle diameter to be less than the granule of 2 nm, subsequently into the pyrolysis of the second pyrolysis chamber;Product bag after the pyrolysis of second pyrolysis chamber Include volatilizable component and solid residue, volatilizable component through the low nitrogen oxide burner of Double-screw end heat into Entering in the low-temperature condenser being connected with the second pyrolysis chamber, solid residue enters residue collecting chamber, removes by vacuum rotating.
Solid organic waste substances processing method the most according to claim 7, it is characterised in that: described microwave generator and ultrasonic Wave producer started in 15 seconds;Described debirs are 5 seconds through the time that microwave generator microwave discharge processes;Described pyrolysis Temperature keeps below 190 DEG C;The main output of described microwave generator is 2.8 ghz, and discharge frequency scope is 0.8 ~ 100 ghz;Thermal decomposition product temperature is promoted to 500 ~ 750 DEG C by described low nitrogen oxide burner.
Solid organic waste substances processing method the most according to claim 6, it is characterised in that: the separation of described step (3) is clean Change process is: volatilizable component is carried along into isolation of purified system by air-flow, through low temperature cold in described isolation of purified system Condenser concentrating and separating;Residual gas enters in scrubber after the further condensation separation of traditional condenser and washes through sodium hydroxide solution Wash purification;Described air-flow includes the mixed gas selected from the components such as hydrogen, water vapour, carbon dioxide, carbon monoxide and methane.
Solid organic waste substances processing method the most according to claim 9, it is characterised in that: the place of described step (1) ~ (3) Reason process is carried out in confined space;Described confined space keeps reducing atmosphere.
CN201610553658.4A 2016-07-14 2016-07-14 A kind of system and method for microwave-assisted pyrolysis solid organic waste substances Pending CN106167712A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107245342A (en) * 2017-06-26 2017-10-13 北京神雾电力科技有限公司 Pyrolysis reactor furnace and its method for pyrolysis
CN108346478A (en) * 2017-01-23 2018-07-31 A·斯加尔吉 The method and apparatus of waste processing
NO20170493A1 (en) * 2017-03-27 2018-09-28 Scanship As Microwave pyrolysis reactor I
CN108580511A (en) * 2018-04-04 2018-09-28 杭州瑞赛可环境工程有限公司 It is a kind of to utilize ultrasound-enhanced organic waste pyrolytic gasification equipment
CN109078959A (en) * 2018-08-09 2018-12-25 南京三乐微波技术发展有限公司 A kind of Biohazard Waste microwave heating appts and its processing method
CN109082287A (en) * 2018-08-29 2018-12-25 北京科技大学 Applied microwave technology carries out the dry integrated apparatus with pyrolysis processing of feces of livestock and poultry
CN114507535A (en) * 2022-03-18 2022-05-17 河南海天环境科技有限公司 Method for treating industrial organic waste by double-wave cracking

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CN101671102A (en) * 2009-10-30 2010-03-17 王朝俊 Method for processing sludge garbage and system thereof
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Publication number Priority date Publication date Assignee Title
CN108346478A (en) * 2017-01-23 2018-07-31 A·斯加尔吉 The method and apparatus of waste processing
NO20170493A1 (en) * 2017-03-27 2018-09-28 Scanship As Microwave pyrolysis reactor I
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CN108580511A (en) * 2018-04-04 2018-09-28 杭州瑞赛可环境工程有限公司 It is a kind of to utilize ultrasound-enhanced organic waste pyrolytic gasification equipment
CN109078959A (en) * 2018-08-09 2018-12-25 南京三乐微波技术发展有限公司 A kind of Biohazard Waste microwave heating appts and its processing method
CN109082287A (en) * 2018-08-29 2018-12-25 北京科技大学 Applied microwave technology carries out the dry integrated apparatus with pyrolysis processing of feces of livestock and poultry
CN114507535A (en) * 2022-03-18 2022-05-17 河南海天环境科技有限公司 Method for treating industrial organic waste by double-wave cracking

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