CN102454997A - High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes - Google Patents
High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes Download PDFInfo
- Publication number
- CN102454997A CN102454997A CN2010105095457A CN201010509545A CN102454997A CN 102454997 A CN102454997 A CN 102454997A CN 2010105095457 A CN2010105095457 A CN 2010105095457A CN 201010509545 A CN201010509545 A CN 201010509545A CN 102454997 A CN102454997 A CN 102454997A
- Authority
- CN
- China
- Prior art keywords
- burning
- cracking
- waste
- medical
- wastes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention relates to a high-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes. Main ingredients of the medical wastes are organic matters, combustible gases generated by thermal cracking of the medical wastes can be provided for burning wastes, not only harmless processing of the medical wastes is realized, but also cracking rate can be greatly increased due to optimized cracking and burning designs; meanwhile, air entrained in waste feedstock as well as steam and CO2 generated in the cracking process of the waste feedstock with self humidity react with a broiling carbon layer to generate water gas, so that the burning process of the medical wastes becomes a net energy-producing process. Tail gases generated by burning the medical wastes reach standards and are then discharged after being subjected to reduced-temperature dust removal and desulfuration, and new pollution of secondary pollutants to the environment in the whole processing process is avoided. The high-thermal-cracking-rate burning processing and secondary pollutant eliminating method is an integrated system for gas, liquid and solid waste processing, wastewater generated by cooling the waste gases is processed by adopting a biochemical method, biological desulfuration is adopted in the desulfuration process of the tail wastes, moisture evaporated at the reduced temperature is replenished by domestic sewage, a waste nutritional solution generated by biological desulfuration enters an acidic wastewater processing system, and the whole system is an optimized integration system which realizes conversion and utilization of wastes and does not produce secondary pollutants, and an energy-saving and environment-friendly medical waste burning processing process is formed. The high-thermal-cracking-rate burning processing and secondary pollutant eliminating method disclosed by the invention is also suitable for burning processing of organic ingredients obtained after the domestic wastes are screened.
Description
Technical field
The present invention relates to a kind of garbage incineration technology, the method that the secondary pollution that especially a kind of medical waste high thermal cracking rate burning disposal and burning process produce is eliminated.
Background technology
The medical waste treatment technology that accounts for main flow at present is an incineration technology.Generally be to send into Burning Room to clinical waste, under the thermal-flame effect, clinical waste makes it be decomposed into gas and residue through super-dry, gasification, burning three phases, and final discharged flue gas and residue are carried out necessary harmless treatment.Because incineration temperature high (being higher than 850 ℃), harmful substance in the clinical waste and germ are destroyed fully or are eliminated, and are a kind of medical waste treatment method completely so burn.Burning method has to subtract and holds big, the advantages such as sterilization effect good, stability and safety of decrement.
The medical wastes incineration technology can be divided into " directly incineration technology " and " pyrolytic incineration technology " two big types.So-called " directly burning " is meant that clinical waste participates in burning with peroxide amount and suitable fuel in incinerator, and what of excess air are different and different with structure with the pattern of incinerator.And the pyrolytic incineration technology is meant under anaerobic or anoxia condition, and the heat organic matter makes the organic matter macromolecular cleavage become the technology of fuel gas.In fact this technology comprises two processes; The one, rubbish is (450～600 ℃) following pyrolytic gasification in a combustion chamber; The 2nd, the lime-ash of carbon containing and the gas that pyrolysis produced burn under the high temperature of about 1000 ℃ of dual firing chamber; These two processes combine, and solve the new technology that produces dioxin in the waste incineration process.But acid waste water that cooling is produced to the burning process tails dedusting and the SO in the flue gas
2Lack effectively and dispose, become new pollution sources easily.
Summary of the invention
The objective of the invention is to overcome the weak point of prior art, provide a kind of fuel gas that utilizes the high pyrolysis rate of rubbish to produce to burn the method that rubbish also can provide rich combustible gas.The present invention realizes high cleavage rate through the structure and parameter of optimizing pyrolysis furnace; And steam, CO2 and vehement hotbed of carbon water generation reaction coal gas that the air that garbage feeding is carried secretly and itself humidity produce at cracking process; It is big to reach gas production; Can also export personal except that burning away the refuse, the gas fired-boiler of feeding additional acts as a fuel; Make the medical refuse burning process become clean production capacity process.The cracking room and the combustion chamber of the present invention's design respectively are an independent Room, and running does not have the thermal stress influence, and converter life is long.This method is excised thing with the hospital surgical in the medical waste, medical accessory, and the fuel gas that is produced is heated in Biohazard Wastes such as disposable syringe under oxygen free condition be that fuel carries out burning disposal to medical waste.Incineration tail gas is handled qualified discharge through dedusting cooling waste water and discharge tail gas through desulfurization, can not cause secondary pollution to environment.
A kind of medical waste pyrolytic incineration processing method the steps include:
(1) the medical waste specialized package is transported to the pyrolysis chamber without pulverizing integral body, and whole bag rubbish is advanced by the oil gear pressurization in import department, forms the sealing to charging aperture simultaneously, prevents that cracking gas from overflowing thus.Rubbish in the pyrolysis chamber is in oxygen-free environment by pyrolysis, and the heat that the cracking gas burning is produced is to garbage pre-heating dehumidifying, intensification, the cracking of the pyrolysis chamber of entering.The present invention can make the organic principle cleavage rate in the medical waste reach more than 99%, and residual residue is merely glass and metal and oxide thereof etc., and decrement is effective; Simultaneously, the air that garbage feeding is carried secretly and itself humidity make the overall process gas production big at steam, CO2 and vehement hotbed of carbon water generation reaction coal gas that cracking process produces.
(2) fuel gas that refuse pyrolysis produces gets into the combustion chamber and controls ignition temperature through the passage of flow-controllable and is not less than 850 ℃, in order to avoid produce bioxin.Burn away the refuse rich combustible gas through other pipeline extraction system, supply additional boiler to use.For safety and regulation and control fuel gas pressure, the water seal facility is housed above fuel chamber.
(3) this stove that ignites only needs a spot of coal or timber, only consumes about 50% incineration gases and burn away the refuse, and rich cracking gas, water-gas can be as the fuel of other boilers that consume energy, and making medical refuse burning handle overall process is clean production capacity process.
The tail gas process spraying cooling dedusting and the desulfurizing and purifying of (4) burning away the refuse, qualified discharge, spray liquid is handled up to standard through attached special-purpose assorted facility.
Advantage of the present invention and good effect are:
1, the present invention adopts medical waste thermal cracking burning disposal can reach net energy output and the effect of realization effect medical waste harmless treatment; And because each unit and running parameter control are rationally; Also play the protection body of heater, prolong the effect in incinerator life-span.
2, rubbish is without pulverizing, and directly whole bag charging maybe pollution section and reduction expense in the middle of reducing.
3, the integrated medical refuse burning device of two big major functions takes place with pyrolytic incineration and water-gas in the present invention, has facility compact, takes up an area of characteristics little, easy and simple to handle, stable, production capacity.
4, attached desulfidation tail gas purification of the present invention and waste water disposal facility can make medical refuse burning processing procedure non-secondary pollution deposits yields.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is further specified, it is illustrative that the subordinate implements, and is not determinate, can not limit protection scope of the present invention with following embodiment.
A kind of medical waste thermal cracking incineration treatment method the steps include:
(1) medical waste is without the direct charging of fragmentation: medical waste needn't be opened original packing and pulverizing, send into the pyrolysis chamber through special-purpose oil pressure conveying equipment.
(2) process of igniting only needs consume in the combustion chamber a spot of coal or timber, and has produced heating rate that heat that a spot of cracking gas burning produces strengthened rubbish gradually this moment until reaching the Design Treatment load, and the garbage disposal process is carried out continually and steadily.Simultaneously, the air that garbage feeding is carried secretly and itself humidity have been utilized all conditions capable of using of refuse pyrolysis burning process at steam, CO2 and vehement hotbed of carbon water generation reaction coal gas that cracking process produces, realize the clean production capacity of burning medical waste.
(3) the fuel gas buring speed of the present invention design, reach to cracking room heat transfer rate, rubbish heating rate and water-gas by the combustion chamber and to optimize cooperation, realized that maximum cleavage rate and waste incineration are clean production capacity process.
(4) effective processing of secondary pollution: the medical refuse burning process mainly produces two types of secondary pollutions, the SO that contains of acid waste water that the tail gas of promptly lowering the temperature produces and waste incineration generation
2Tail gas etc. harmful components.The present invention adopts biochemical process that sewage is handled and recycle.Because the spraying cooling process can evaporate a certain amount of water, the present invention utilizes sanitary sewage to add to sewage disposal system, does not consume fresh water and makes sewage obtain reuse after purification and the cooling dedusting to a certain degree.Biological desulfurization process is adopted in the tail gas desulfurization, utilize produce in the alkaline matter that the alkali microbial metabolism goes out with tail gas in SO
2, biological desulphurization does not need chemical substances such as lime or caustic soda, can not produce secondary pollution yet.The nutrient solution regular replenishment that recycles with efflux, efflux part and get into acid waste water treatment system, treated qualified discharge or reuse.
The main component of medical waste is an organic substance; The medical waste thermal cracking produces fuel gas and supplies to burn away the refuse to act as a fuel; Not only realize the medical waste harmless treatment but also can improve cleavage rate greatly owing to optimize the design of cracking and burning; Simultaneously, the air that garbage feeding is carried secretly and itself humidity make the medical refuse burning process become clean production capacity process at steam, CO2 and vehement hotbed of carbon water generation reaction coal gas that cracking process produces.The tail gas that medical refuse burning produces is qualified discharge after cooling dedusting and desulfurization, and entire process process non-secondary pollution thing causes new pollution to environment.The present invention is the integrated system of gas, liquid, solid waste disposal; Tail gas cooling waste water adopts biochemical process to handle; Biological desulphurization is adopted in the tail gas desulfurization, and the cooling moisture evaporated is replenished by sanitary sewage, and the useless nutrient solution of biological desulphurization gets into the acid waste water treatment system; Total system forms a discarded object trans-utilization and don't produces the optimization integrated system of secondary pollution, forms the medical refuse burning treatment process of energy-conserving and environment-protective.The present invention also is applicable to the burning disposal of the organic component after the house refuse screening.
Claims (1)
1. the method eliminated of medical waste high thermal cracking rate burning disposal and secondary pollution., it is characterized in that:
(1) medical waste is without the direct charging of fragmentation: medical waste needn't be opened original packing and pulverizing, send into the pyrolysis chamber through special-purpose oil pressure conveying equipment.
(2) process of igniting only needs consume in the combustion chamber a spot of coal or timber, and has produced heating rate that heat that a spot of cracking gas burning produces strengthened rubbish gradually this moment until reaching the Design Treatment load, and the garbage disposal process is carried out continually and steadily.Simultaneously, the air that garbage feeding is carried secretly and itself moisture have utilized all conditions capable of using of refuse pyrolysis burning process at steam, CO2 and vehement hotbed of carbon water generation reaction coal gas that cracking process produces, realize the clean production capacity of burning medical waste.
(3) the fuel gas buring speed of the present invention design, generate to reach to optimize to cracking room heat transfer rate, rubbish heating rate and water-gas by the combustion chamber and cooperate, realized that maximum cleavage rate and waste incineration are clean production capacity process.
(4) effective processing of secondary pollution: the medical refuse burning process mainly produces two types of secondary pollutions, the SO that contains of acid waste water that the tail gas of promptly lowering the temperature produces and waste incineration generation
2Tail gas etc. harmful components.The present invention adopts biochemical process that sewage is handled and recycle.Because the spraying cooling process can evaporate a certain amount of water, the present invention utilizes sanitary sewage to add to sewage disposal system, does not consume fresh water and makes sewage obtain to a certain degree purification and the utilization again of tail gas cooling dedusting.Biological desulfurization process is adopted in the tail gas desulfurization, utilize produce in the alkaline matter that the alkali microbial metabolism goes out with tail gas in SO
2, biological desulphurization does not need chemical substances such as lime or caustic soda, can not produce secondary pollution yet.The nutrient solution regular replenishment that recycles with efflux, efflux part and get into acid waste water treatment system, treated qualified discharge or reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105095457A CN102454997A (en) | 2010-10-18 | 2010-10-18 | High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105095457A CN102454997A (en) | 2010-10-18 | 2010-10-18 | High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102454997A true CN102454997A (en) | 2012-05-16 |
Family
ID=46038454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105095457A Pending CN102454997A (en) | 2010-10-18 | 2010-10-18 | High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102454997A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966960A (en) * | 2012-11-30 | 2013-03-13 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
| CN104275245A (en) * | 2014-01-22 | 2015-01-14 | 天津城建大学 | Sub-step flotation and detoxification method for incineration fly ash of medical garbage |
| CN107152686A (en) * | 2017-06-29 | 2017-09-12 | 广西万景环保科技有限公司 | A kind of method of microwave radiation technology pyrolysis gasification furnace and refuse pyrolysis gasification burning |
| CN109609146A (en) * | 2018-11-29 | 2019-04-12 | 上海九泽环保科技有限公司 | Treatment of!medical waste method |
| CN112175647A (en) * | 2020-10-14 | 2021-01-05 | 郑州轻工业大学 | Process for controllably and selectively converting medical wastes into oil by non-catalytic thermal cracking |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112669A (en) * | 2007-08-30 | 2008-01-30 | 福建省丰泉环保设备有限公司 | Multilevel purifier for disacidifying using dry and wet method and for removing dust by using cloth bag |
| CN101637697A (en) * | 2009-08-03 | 2010-02-03 | 庞金钊 | Biological desulfurization method of smoke |
-
2010
- 2010-10-18 CN CN2010105095457A patent/CN102454997A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112669A (en) * | 2007-08-30 | 2008-01-30 | 福建省丰泉环保设备有限公司 | Multilevel purifier for disacidifying using dry and wet method and for removing dust by using cloth bag |
| CN101637697A (en) * | 2009-08-03 | 2010-02-03 | 庞金钊 | Biological desulfurization method of smoke |
Non-Patent Citations (4)
| Title |
|---|
| 汪波: "医疗垃圾焚烧的尾气净化", 《全国袋式除尘技术研讨会论文集》, 30 June 2007 (2007-06-30), pages 140 - 145 * |
| 王政等: "乡镇卫生院医疗垃圾热解处理新技术及设备的开发应用研究", 《第十一届中国科协年会论文集》, 30 September 2009 (2009-09-30), pages 1 - 11 * |
| 王祖强等: "医疗废物处理的现状、问题及对策", 《机械设计》, vol. 23, no. 10, 31 October 2006 (2006-10-31), pages 48 - 51 * |
| 蔡掛才: "低浓度SO2烟气微生物脱硫技术概述", 《2010年全国硫酸工业技术交流会论文集》, 30 September 2010 (2010-09-30), pages 183 - 187 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966960A (en) * | 2012-11-30 | 2013-03-13 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
| CN102966960B (en) * | 2012-11-30 | 2015-01-14 | 桂林电子科技大学 | Thermal decomposition furnace for medical waste and control method for thermal decomposition furnace |
| CN104275245A (en) * | 2014-01-22 | 2015-01-14 | 天津城建大学 | Sub-step flotation and detoxification method for incineration fly ash of medical garbage |
| CN107152686A (en) * | 2017-06-29 | 2017-09-12 | 广西万景环保科技有限公司 | A kind of method of microwave radiation technology pyrolysis gasification furnace and refuse pyrolysis gasification burning |
| CN107152686B (en) * | 2017-06-29 | 2024-03-08 | 广西万景星禾科技有限公司 | Microwave-assisted pyrolysis gasifier and garbage pyrolysis gasification incineration method |
| CN109609146A (en) * | 2018-11-29 | 2019-04-12 | 上海九泽环保科技有限公司 | Treatment of!medical waste method |
| CN112175647A (en) * | 2020-10-14 | 2021-01-05 | 郑州轻工业大学 | Process for controllably and selectively converting medical wastes into oil by non-catalytic thermal cracking |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4081102B2 (en) | Waste complex treatment facility | |
| CN104211274A (en) | Sludge reduction and recycling treatment device and sludge treatment method | |
| CN102145343B (en) | Integrated garbage treatment and utilization method for effectively controlling dioxin | |
| CN103438461B (en) | A kind of integral type pyrolysis restoring system and waste disposal method | |
| CN1769397A (en) | Device and method for suppressing refuse end gas injurant using pyrolysis and aerification technology | |
| CN109679672A (en) | A kind of reaction system and its method of catalytic pyrolysis organic solid castoff preparing gas fuel | |
| WO2008014645A1 (en) | An environment protection and energy source recovery type waste treatment equipment | |
| CN108534142A (en) | A kind of refuse pyrolysis gasification burning chimney-free Zero discharging system | |
| CN102454997A (en) | High-thermal-cracking-rate burning processing and secondary pollutant eliminating method of medical wastes | |
| CN202224433U (en) | Refuse treatment system unit capable of effectively restraining dioxin | |
| CN103639172A (en) | Method for performing high-temperature steam-air gasification disinfection and degradation on medical wastes | |
| CN1951586B (en) | Method for innocuity, resource utilization and decrement Processing Of Organic Garbage | |
| CN106244240A (en) | The method that the gasification of a kind of rubbish, solid waste produces combustion gas | |
| CN101955802A (en) | Pyrolysis and gasification cracking furnace for solid biomass | |
| CN210764947U (en) | Sludge drying, carbonizing and gasifying system | |
| CN202186990U (en) | Device for pyrogenation and gasification of organic solid waste | |
| CN204097297U (en) | Sludge reduction processing equipment for recycling | |
| CN103894412A (en) | Method for repairing and upgrading soil | |
| CN208562252U (en) | Coal-burning power plant handles the process system of house refuse using plasma gasification furnace collaboration | |
| CN111059549A (en) | Hazardous waste incineration treatment system and process thereof | |
| CN109974003A (en) | A kind of townhouse formula refuse pyrolysis gasification furnace | |
| CN201746507U (en) | Self-energy-supply sludge pyrolysis and charring treatment system | |
| CN201512512U (en) | High-temperature dry distillation treatment equipment of tobacco waste | |
| CN204022755U (en) | With the refuse disposal system of generating set | |
| CN209857072U (en) | Mobile high-temperature anaerobic incineration/cracking device for household garbage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |