CN102012032A - Medical waste complete incineration device - Google Patents
Medical waste complete incineration device Download PDFInfo
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- CN102012032A CN102012032A CN201010612908XA CN201010612908A CN102012032A CN 102012032 A CN102012032 A CN 102012032A CN 201010612908X A CN201010612908X A CN 201010612908XA CN 201010612908 A CN201010612908 A CN 201010612908A CN 102012032 A CN102012032 A CN 102012032A
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The invention discloses a medical waste complete incineration device which comprises a pyrolysis incinerator and a gas cleaning system. The waste is incinerated to generate gas; a fixed grate furnace is adopted; a burning chamber I and a burning chamber II are connected together; air uniformly enters the burning chamber I around; combustibles generated by burning and pyrolysis enter the burning chamber II for sufficient burning; and the furnace body of the burning chamber II is designed into a labyrinth type to realize tangential uniform air feed. Through the scheme, the medical waste can be sufficiently burnt, and dioxin in the burning gas is effectively removed by combining measures such as quenching and the like. The gas cleaning system is used for peforming neutralization, dedusting and the like on the gas, thus the finally exhausted tail gas conforms to the standard. The medical waste complete incineration device only has the advantages that a small amount of waste gas and residue can be generated, and wastewater generation can be prevented, thereby being an efficient and environment-friendly medical waste disposal device.
Description
Technical field
The present invention relates to medical waste sanitized technical field, relate in particular to the complete incinerator of a kind of medical waste.
Background technology
Along with China's development of productivity, the continuous enhancing of overall national strength, the people's material, the level of cultural life are greatly improved, and environmental problem has caused government and broad masses of the people's extensive concern.Realize economical high speed, sustainable development, just must solve problem of environmental pollution well simultaneously, this has become common recognition.
Medical waste is meant the general name of the discarded object that produces in the unit relevant with other health cares such as hospital, clinic, health and epidemic prevention, health care, check.Contain a large amount of communicable pathogenic microorganism, germ, virus in these rubbish, have features such as space infection, acute infection and latent infection, the harm of its viral bacterium is tens times even hundreds of times of common domestic waste, directly threaten people's healthy and social public health security, thereby it is carried out harmless treatment just seem very important.
Just propose will collect specially and burning disposal hospital waste as far back as China in 1984, thereafter, State Council's " (86) No. 57 files of state's way " explicitly calls for policlinic rubbish will concentrate burning disposal.In subsequently 10 years, constituent parts, department have carried out a large amount of and elaboration, and environmental health standards have been worked out at the burning of hospital waste specially with nineteen ninety-five, be CJ3036-1995 " medical refuse burning environmental health standards ", thereby we can say, different with general domestic waste, hospital's bacterium rubbish is the solid waste that must take the burning mode to dispose in the municipal refuse, and its discharging of delaying must meet corresponding discharge standard, stops the secondary pollution to air of soil, phreatic pollution and burning back.
The processing present situation of the present medical waste of China is, in national according to statistics more than 1.1 ten thousand hospital above county level only the hospital less than 6% be equipped with easy incinerator, most hospitals still handle using to topple in the open with underground method of burying, and soil and underground water have been caused serious pollution.And major part all also adopts traditional incinerator in the incinerator that adopts, and promptly single combustion furnace does not have the simple burning of dual firing chamber and exhaust gas purification system.Because this traditional burning facility type of furnace design can not adapt to medical waste calorific value and composition variation characteristics greatly, cause Biohazard Waste burn not exclusively, not thorough, pollutant with potential hazard reenters environment, not only dangerous substance can not thoroughly be handled, but also brings even more serious secondary pollution.Therefore, must develop one and overlap medical refuse burning technology safe, efficient, energy-saving and environmental protection, to satisfy the needs that the city medical waste focuses on according to the rerum natura characteristics of medical waste.
Summary of the invention
Problem to be solved by this invention is to provide a kind of can reduce secondary pollution, protection environment, dispose the complete incinerator of medical waste completely.
In order to solve the problems of the technologies described above, technical scheme of the present invention is as follows:
The complete incinerator of a kind of medical waste, comprise: pyrogenation incinerator, the generation flue gas of burning away the refuse, adopt the stationary furnace grate furnace, one combustion chamber and dual firing chamber fuse, and air is by evenly entering a combustion chamber all around, and burning and pyrogenous origin combustible enter dual firing chamber and fully burn, dual firing chamber's Proper Design is a labyrinth type, to realize tangential uniform air intake; And flue gas purification system.
The complete incinerator of described medical waste, described dual firing chamber exit feed an amount of cold air flue gas are carried out chilling.
The complete incinerator of described medical waste, described flue gas purification system comprises: spray cooling tower sprays into cooling water, with flue gas desulfurization, denitrogenation, cooling processing; Sack cleaner carries out dedusting to the flue gas that cools off; Add calcium and add activated carbon system, pulverized limestone and active carbon are added flue, flue gas is neutralized, adsorbs.
The complete incinerator of described medical waste further comprises: the heat energy utilization system, reduced the temperature of flue gas, and enter the air of pyrogenation incinerator by the heat exchange heating before flue gas enters flue gas purification system.
The complete incinerator of described medical waste, described spray cooling tower is cooled to flue gas below 200 ℃.
The complete incinerator of described medical waste, the cooling water that sprays in the described spray cooling tower is controlled by automatic control program, and evaporation does not produce waste water fully.
Adopt such scheme, the present invention can make medical waste fully burn, and effectively removes dioxin in the combustion product gases in conjunction with measures such as chillings.By flue gas purification system with flue gas neutralize, dedusting etc., make final discharge tail gas meet standard.Further adopt the heat energy utilization system, effectively utilize the heat energy of the high-temperature flue gas that burning produces, heat wind, secondary wind, thereby the raising efficiency of combustion reaches energy-saving effect.Device of the present invention only produces small amount of exhaust gas, waste residue, can avoid the generation of waste water, is a kind of medical waste treating apparatus of efficient, environmental protection.
Description of drawings
Fig. 1 is the processing procedure schematic diagram of apparatus of the present invention;
Fig. 2 is the structural representation of the capital equipment incinerator of apparatus of the present invention;
Fig. 3 is the schematic diagram of a kind of embodiment of apparatus of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments content of the present invention is described in further details.
Embodiment: developed a cover stationary furnace grate furnace system for pyrolyzing and burning in conjunction with the own technical research of Guangzhou Energy Research Institute, at present in the destructor plant successful operation of Boluo County, Guangdong Province, treating capacity is 3t/d.
In order to determine medical waste sanitized process route and method, and design total system, solve the problem in the existing medical waste processing procedure, realize the purpose of medical waste minimizing, harmlessness disposing, medical refuse burning treatment system of the present invention can comprise: feed system, pyrogenation incinerator, heat energy utilization system, flue gas purification system, slag treatment system, control system and other servicing units.Flow chart as shown in Figure 1.
As shown in Figure 3, its main technical schemes comprises:
(1) pyrolytic incinerator for medical garbage 1: the detailed structure of body of heater has following characteristics as shown in Figure 2:
Adopted the stationary furnace grate furnace, a combustion chamber 11 and dual firing chamber 12 fuse.Preferred outward appearance is cube as shown in Figure 2, compact conformation.
A wind (cold air) is by evenly entering burner hearth (a combustion chamber 11) around the body of heater, even distributing wind makes the pyrolytic incineration operating mode stable; Detachable fire bars, convenient for maintaining; The combustor igniting, it is easy to play heat size.
Secondary combustion chamber (dual firing chamber 12) adopts the labyrinth type design, tangential uniform air intake, and the turbulent flow and the time of staying that strengthen flue gas, the auxiliary burner of control can guarantee that smoke combustion has enough temperature automatically.
Feed cold air at dual firing chamber's 12 smoke outlets, make the high-temperature flue gas chilling effectively suppress the regeneration of nuisances such as dioxin.
During work, medical waste is sent in the burner hearth by grab bucket, and air (wind) is by evenly forcing to send into a combustion chamber 11 around the grey chamber, little owing to air quantity in burner hearth, the oxygen supply deficiency has only the part incineration firing, and the heat that burning discharges is for the gasification of another part refuse pyrolysis.The flue gas of incineration firing and the fuel gas that pyrolytic gasification generates enter dual firing chamber 12 in 11 burner hearths of one combustion chamber, fully burning under the condition of oxygen enrichment.Dual firing chamber's 12 Proper Design are labyrinth type, can realize the tangential uniform air intake of air (secondary wind), thereby make flue gas produce strong turbulent flow in two burners, and (theoretical design time＞2s), effectively remove dioxin of enough time of staying is arranged.The present invention allocates an amount of cold air in dual firing chamber 12 exits high-temperature flue gas is carried out chilling, with the regeneration of pernicious gases such as minimizing dioxin.
(2) flue gas purification system has following characteristics:
Spray cooling tower 4: cooling water sprays in the tower by nozzle is vaporific, flue gas is chilled to 180 ℃ from 450 ℃, thereby has suppressed the generation of dioxin and many chlorodiphenyls furans; And evaporation fully in 1 second, automatic control program is regulated pump rotary speed automatically, controls cooling water inflow effectively, does not produce waste water.
Sack cleaner 5 is selected flat bag module formula high-voltage pulse deduster for use, and deduster integral heat insulation, ash bucket are mixed hot anti-condensation.
Add calcium and add activated carbon system: drive miniature spiral by stepper motor pulverized limestone or active carbon are added in the flue, pulverized limestone, active carbon are carried, mix by flue gas, pulverized limestone and acid generation neutralization reaction, dioxin and heavy metal in the adsorbable flue gas of active carbon.
(3) heat energy utilization system:
For increasing economic efficiency and alleviating the load of vent gas treatment, reduce the operating cost of whole system, native system enters heat exchange of heat pipe 3 heat exchange after flue gas is cooled to 500 ℃.Can drop to 400 ℃ by heat exchanger 3 back flue-gas temperatures, waste heat can be heated to 200 ℃ with wind, a secondary wind.Enter spray cooling tower 4 again through the flue gas of heat exchanger 3, flue gas is cooled to 180 ℃ rapidly from 400 ℃, can effectively suppress the generation of dioxin and many chlorodiphenyls furans.The flue gas that is quenched to 180 ℃ enters sack cleaner 5 udst separations again, and adds calcium carry out depickling in flue gas, adds charcoal absorption organic matter and heavy metal etc., causes chimney 6 by air-introduced machine 7 at last and is discharged in the atmosphere.
Concrete, as shown in figures 1 and 3, utilize the processing step of apparatus of the present invention processing medical waste as follows:
(1), medical waste enters from charge door in the burner hearth of pyrogenation incinerator 1, combustion reaction takes place in a part, pyrolytic reaction takes place in a part, air enters in the burner hearth by the pressure from the furnace wall symmetry of air preheater and heat exchanger 3 heating backs;
(2), the fuel gas of pyrolytic reaction generation enters dual firing chamber's 12 burnings with the imperfect combustion carbon granules of part after heat exchanger 3 heating;
(3), the flue gas after the completing combustion enters heat exchanger 3 after joining the cold wind cooling by cooling blower 2, with wind, the heating of secondary wind, flue gas is tentatively lowered the temperature, and enters spray cooling tower 4 again, carries out desulfurization, denitrogenation, cooling;
(4), flue gas is cooled to enter below 200 ℃ sack cleaner 5 again, by air-introduced machine 7 flue gas is caused chimney 6 at last and discharges;
(5), pulverized limestone, active carbon can enter spray cooling tower 4 front and back chargings at flue gas as shown in Figure 1, also can add flues as other steps of exhaust emissions at flue gas.
This device day is handled 3 tons of medical wastes, and scale is less, on the heat energy utilization mode, burns heat energy utilization and is worth not quite, just adopts heat exchanger 3 to heat combustion air more than 200 ℃, to satisfy the air distribution requirement of comburant completing combustion; The incineration plant of larger type generally adopts boiler to utilize heat energy
The important technological parameters of this incinerator for medical garbage comprises: incinerator temperature 〉=850 ℃, gas residence time 〉=2 second, equipment thermal efficiency 〉=99.9%, hot burn decrement rate＜5%.
Normality exhaust gas volumn: Q=3200m
3/ h, t=180 ℃-200 ℃, the outlet dust exhausting concentration is no more than 15mg/m to 1 micron or above dust
3The deduster efficiency of dust collection reaches 99.99%.Following table is the measured value and the standard limit value table of comparisons of tail gas:
The table 1 tail gas measured value and the standard limited value table of comparisons
By the operation of this embodiment, as seen:
1), this stationary furnace grate furnace system for pyrolyzing and burning has operating characteristic preferably, each main member such as pyrogenation incinerator, heat exchange of heat pipe, cooling tower and sack cleaner parameter coupling performance are better.
2), the effect of exhaust gas purification equipment is obvious, the measured concentration of pollutant is accomplished clean burning all well below standard limited value in the tail gas, safety dumping.
3), the running experiment result of this embodiment shows, medical refuse burning Apparatus and system of the present invention has technology, economic performance preferably aspect efficient, cleaning medical waste, the medical waste that can be applied to China fully focuses on handles market.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (6)
1. the complete incinerator of medical waste is characterized in that, comprising:
Pyrogenation incinerator, the generation flue gas of burning away the refuse adopts the stationary furnace grate furnace, one combustion chamber and dual firing chamber fuse, and air is by evenly entering a combustion chamber all around, and burning and pyrogenous origin combustible enter dual firing chamber and fully burn, dual firing chamber's Proper Design is a labyrinth type, to realize tangential uniform air intake;
And flue gas purification system.
2. the complete incinerator of medical waste according to claim 1 is characterized in that, described dual firing chamber exit feeds an amount of cold air flue gas is carried out chilling.
3. the complete incinerator of medical waste according to claim 2 is characterized in that described flue gas purification system comprises:
Spray cooling tower sprays into cooling water, with flue gas desulfurization, denitrogenation, cooling processing;
Sack cleaner carries out dedusting to the flue gas that cools off;
Add calcium and add activated carbon system, pulverized limestone and active carbon are added flue, flue gas is neutralized, adsorbs.
4. according to claim 2 or the complete incinerator of 3 described medical wastes, it is characterized in that, further comprise: the heat energy utilization system, reduced the temperature of flue gas, and enter the air of pyrogenation incinerator by the heat exchange heating before flue gas enters flue gas purification system.
5. the complete incinerator of medical waste according to claim 4 is characterized in that described spray cooling tower is cooled to flue gas below 200 ℃.
6. the complete incinerator of medical waste according to claim 5 is characterized in that the cooling water that sprays in the described spray cooling tower is controlled by automatic control program, and evaporation does not produce waste water fully.
Priority Applications (1)
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| CN201010612908XA CN102012032A (en) | 2010-12-29 | 2010-12-29 | Medical waste complete incineration device |
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| CN201010612908XA CN102012032A (en) | 2010-12-29 | 2010-12-29 | Medical waste complete incineration device |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278875A (en) * | 2011-08-31 | 2011-12-14 | 王洪旗 | Energy-saving and environment-friendly cupola furnace |
| CN102679372A (en) * | 2012-06-19 | 2012-09-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Coil pipe structure pyrolysis system |
| CN102679373A (en) * | 2012-06-19 | 2012-09-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Vehicle-mounted medical waste pyrolyzing furnace |
| CN102700878A (en) * | 2012-06-19 | 2012-10-03 | 中国人民解放军军事医学科学院卫生装备研究所 | Pyrolytic medical waste treatment vehicle |
| CN102798127A (en) * | 2012-08-01 | 2012-11-28 | 南宁佳迪斯电气科技有限责任公司 | Medical waste treating method and medical waste treating equipment |
| CN103196144A (en) * | 2013-03-29 | 2013-07-10 | 汤广斌 | Harmless resource comprehensive utilization device and method of pharmaceutical solid and gas waste |
| CN105300102A (en) * | 2015-11-11 | 2016-02-03 | 盐城市聚盛机械制造有限公司 | Environment-friendly high-temperature pyrolysis cleaning furnace |
| CN106705062A (en) * | 2017-01-19 | 2017-05-24 | 广西博世科环保科技股份有限公司 | Processing technique and device applied to secondary combustion chamber of household waste pyrolysis furnace |
| CN107366915A (en) * | 2017-08-17 | 2017-11-21 | 李艺 | A kind of vehicle-mounted removable life, medical waste environment-friendly processing unit |
| CN107435934A (en) * | 2017-04-05 | 2017-12-05 | 李艺 | A kind of house refuse continuously thermal, ashing environment-friendly processing unit |
| CN108613195A (en) * | 2018-06-07 | 2018-10-02 | 安徽万山红环保科技有限公司 | A kind of rubbish, solid waste burning purifier |
| CN111089299A (en) * | 2019-12-23 | 2020-05-01 | 四川天壹环保科技有限公司 | Waste lithium battery cracking waste gas purification system |
| CN111998349A (en) * | 2020-08-17 | 2020-11-27 | 胡大勇 | Integrated high-temperature pyrolysis medical waste incineration system and control method thereof |
| CN113237063A (en) * | 2021-06-02 | 2021-08-10 | 中国铁建重工集团股份有限公司 | Waste incineration equipment |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278875A (en) * | 2011-08-31 | 2011-12-14 | 王洪旗 | Energy-saving and environment-friendly cupola furnace |
| CN102679373B (en) * | 2012-06-19 | 2014-09-17 | 中国人民解放军军事医学科学院卫生装备研究所 | Vehicle-mounted medical waste pyrolyzing furnace |
| CN102679372A (en) * | 2012-06-19 | 2012-09-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Coil pipe structure pyrolysis system |
| CN102679373A (en) * | 2012-06-19 | 2012-09-19 | 中国人民解放军军事医学科学院卫生装备研究所 | Vehicle-mounted medical waste pyrolyzing furnace |
| CN102700878A (en) * | 2012-06-19 | 2012-10-03 | 中国人民解放军军事医学科学院卫生装备研究所 | Pyrolytic medical waste treatment vehicle |
| CN102679372B (en) * | 2012-06-19 | 2015-03-11 | 中国人民解放军军事医学科学院卫生装备研究所 | Coil pipe structure pyrolysis system |
| CN102700878B (en) * | 2012-06-19 | 2014-08-06 | 中国人民解放军军事医学科学院卫生装备研究所 | Pyrolytic medical waste treatment vehicle |
| CN102798127A (en) * | 2012-08-01 | 2012-11-28 | 南宁佳迪斯电气科技有限责任公司 | Medical waste treating method and medical waste treating equipment |
| CN103196144A (en) * | 2013-03-29 | 2013-07-10 | 汤广斌 | Harmless resource comprehensive utilization device and method of pharmaceutical solid and gas waste |
| CN103196144B (en) * | 2013-03-29 | 2016-03-09 | 河南弘康环保科技有限公司 | Pharmacy is solid, the innoxious comprehensive utilization of resources device and method of gas discarded object |
| CN105300102A (en) * | 2015-11-11 | 2016-02-03 | 盐城市聚盛机械制造有限公司 | Environment-friendly high-temperature pyrolysis cleaning furnace |
| CN106705062A (en) * | 2017-01-19 | 2017-05-24 | 广西博世科环保科技股份有限公司 | Processing technique and device applied to secondary combustion chamber of household waste pyrolysis furnace |
| CN106705062B (en) * | 2017-01-19 | 2019-06-25 | 广西博世科环保科技股份有限公司 | The treatment process and processing unit of dual firing chamber applied to domestic garbage pyrolysis furnace |
| CN107435934A (en) * | 2017-04-05 | 2017-12-05 | 李艺 | A kind of house refuse continuously thermal, ashing environment-friendly processing unit |
| CN107366915A (en) * | 2017-08-17 | 2017-11-21 | 李艺 | A kind of vehicle-mounted removable life, medical waste environment-friendly processing unit |
| CN108613195A (en) * | 2018-06-07 | 2018-10-02 | 安徽万山红环保科技有限公司 | A kind of rubbish, solid waste burning purifier |
| CN111089299A (en) * | 2019-12-23 | 2020-05-01 | 四川天壹环保科技有限公司 | Waste lithium battery cracking waste gas purification system |
| CN111998349A (en) * | 2020-08-17 | 2020-11-27 | 胡大勇 | Integrated high-temperature pyrolysis medical waste incineration system and control method thereof |
| CN113237063A (en) * | 2021-06-02 | 2021-08-10 | 中国铁建重工集团股份有限公司 | Waste incineration equipment |
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Application publication date: 20110413 |