CN101590484A - Medical garbage sorting harmless is handled and the combustible recoverying and utilizing method - Google Patents
Medical garbage sorting harmless is handled and the combustible recoverying and utilizing method Download PDFInfo
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- CN101590484A CN101590484A CNA2008101135049A CN200810113504A CN101590484A CN 101590484 A CN101590484 A CN 101590484A CN A2008101135049 A CNA2008101135049 A CN A2008101135049A CN 200810113504 A CN200810113504 A CN 200810113504A CN 101590484 A CN101590484 A CN 101590484A
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The present invention relates to a kind of medical garbage sorting harmless handles and the combustible recoverying and utilizing method, handle and sorting its early stage of adopting the following step to carry out medical waste: (1) refuse collection, (2) letter sorting, (3) pulverize, (4) radiation sterilization, (5) sorting, proportion and magnetic according to material, medical waste is divided into four classes, one class is lighter material, second class is heavier material, the 3rd class is a magnetisable material, the 4th class is remaining material, to the first kind, second class and the 3rd class material recycle respectively, the 4th class material is sent into special-purpose incinerator burn, during to the recovery and treatment method of first kind material it is pulverized back and bituminous coal powder according to 100: the ratio of 30-40 is mixed, add suitable binding agent and other additives simultaneously, add water and mix the back, form patch fuel after the air dry by the make-up machine pressure forming.The present invention helps the recycling of physical resources, and reduces to the consumption of the energy with to the pollution of atmosphere.
Description
Technical field
The present invention relates to a kind of medical garbage sorting harmless and handle and the combustible recoverying and utilizing method, be mainly used in medical waste and other have the recovery and final processing of communicable Harmful Waste.
Background technology
Has communicable solid waste for medical waste etc., people have adopted multiple mode to handle, wherein the major technology direction is to burn, by burning microbial body is decomposed fully, no longer has any infectiousness, for example No. 200510048910.8 applications for a patent for invention of China disclose a kind of medical refuse circulating fluidized bed incinerating method, it is with the inert bed material of lime stone as recirculating fluidized bed, the sour gas neutralization reactions such as hydrogen chloride that produce in the calcium oxide that lime stone calcination at high temperature generates and hypochlorous acid in the medical waste and the pyrolytic incineration, after medical waste feeds the close phase section of incinerator combustion chamber, fluidised high temperature limestone particle inert bed material rapids is mixed with being, heat up, refuse pyrolysis, gasification, be divided into the gas-solid two-phase, gaseous product after the pyrolysis enters the suspension section combustion chamber to be continued to burn, a part of fine size is entrained in the suspension section combustion chamber with the light solid product of density and burns away after the pyrolysis, another part coarse size or density is high stays in the close phase section combustion chamber and burn, air-flow is being carried lime stone circulation fluidized bed material and flammable fine grained secretly and is being entered the gas solid separation combustion chamber and burn away, and lime stone and particle separate from air-flow in the gas solid separation combustion chamber sends close phase section combustion chamber back to and continue circulating combustion.In this way, medical waste is thoroughly decomposed and conversion, and in burning process, realize the deleterious acidic gas that may occur in the flue gas is held neutralization, to reduce pollution atmosphere by adding alkaline matter.This mode can effectively solve the infectiousness problem of medical waste, but owing to adopted the mode of burning, also brought fuel consumption, recoverable material to loss and problem such as atmosphere pollution, and Chinese 200310109675.1 applications for a patent for invention disclose a kind of medical waste treatment process, this technology comprises the steps: the first step, by waste conveyor medical waste is sent into the integrated treatment device, and sealing; Second step was 138 ℃-160 ℃ a steam to integrated treatment device delivery temperature, made pressure rise to 4-8 atmospheric pressure, and the retention time is 20-50 minute; The 3rd step, open integrated treatment device lower end garbage emission device, make medical waste enter gatherer in the sealing mode, steam is discharged from its chimney; In the 4th step, the medical waste in the gatherer is sent into separator by conveying mechanism; The 5th step went out the metal in the medical waste, battery sorting; In the 6th step, the medical waste after sorting is transported to the pulverizer pulverizing; In the 7th step, the rubbish after pulverizing is transported to the processing place.The high-temperature steam sterilization because this mode is gone ahead of the rest, carry out letter sorting to a certain extent then, reclaim the metal that to recycle and should not adopt the burning disposal battery, improved the combustion characteristics of material to a certain extent, but final processing is still by burning disposal, the problem of bringing because of burning interdependent.
But, on the formation of medical waste, except a small amount of material needs special the processing, the composition of most of material is similar with general sexual life rubbish, and wherein the material of part medical waste itself has good recycling value, for example disposable plastic goods and fibre, why these medical wastes can not equally be recycled with house refuse, The key factor be wherein with may carry by causing a disease and dangerous microorganism, if collect and recycle, will bring very big danger to environment and practitioner as existing house refuse.
In view of containing a large amount of fibre object, plastics and other flammable organic matters in the medical waste, these materials have combustibility, carry out suitable processing after, fully can be as the raw material of making fuel.
Summary of the invention
For overcoming the above-mentioned defective of prior art, the invention provides a kind of medical garbage sorting harmless handles and the combustible recoverying and utilizing method, adopt this method, the recycling of useful material in the realization medical waste of limit greatly, reduced the material ratio of burning, therefore help the recycling of physical resources, and help to reduce to the consumption of the energy with to the pollution of atmosphere.
The present invention realizes that the technical scheme of above-mentioned purpose is: a kind of medical garbage sorting harmless is handled and the combustible recoverying and utilizing method, after will sorting, it carries out sterilization treatment, isolate first kind material then based on fiber and other organic materials, described first kind material is pulverized, with bituminous coal powder according to 100: the ratio of 30-40 is mixed, add suitable binding agent simultaneously, and can add combustion adjuvant, stabilizing agent, in oxidant and the antismoke agent any one and several, after adding the water mixing, by the make-up machine pressure forming, form patch fuel after the air dry.
Described first kind material obtains from medical waste by following manner:
(1) refuse collection: adopt the collection mode of sealing, carry out the collection of medical waste;
(2) letter sorting: separate for bulk materials that wherein can recycle separately and bulk material, collect separately and recycle, unclassified stores focuses on;
(3) pulverize: under the condition of sealing, the whole materials that focus on are pulverized;
(4) radiation sterilization: whole materials of pulverizing are carried out radiation sterilization;
(5) sorting: adopt mechanical system, proportion and magnetic according to material are divided into four classes with medical waste, and the first kind is lighter material, and its main component is fiber and other macromolecule organics; Second class is heavier material, and its main component is ore deposit class materials such as metal and sandstone; The 3rd class is a magnetisable material, wherein has iron and other metals of high level; The 4th class is remaining material, wherein mostly is organic matter.
Can handle according to following manner other kinds material: the second class material is used to make building materials or other fill materials, the 3rd class material carries out technics of metallurgy mineral dressing, wherein washed ore is used for metallurgy, and CHARACTERISTICS OF TAILINGS SAND is used to make building materials or other fill materials, and the 4th class material carries out burning disposal.
The invention has the beneficial effects as follows: by letter sorting, the material of large recyclable utilization is reclaimed, these materials constitute single, recycle to be worth greatly, are convenient to recycle separately, help improving the recovery value of material, reduce processing cost; Carry out sterilization treatment by the mode of pulverizing the back radiation sterilization, sterilization effect is good, has eliminated its disease propagation, for follow-up recycling provides condition; Owing to carry out sorting, make the material more than 70% wherein have the possibility of recycling, reduced the quantity of refuse that needs burning thus, improved the recycling ratio of material, reduced and burned energy resource consumption and the atmosphere pollution that brings, obtained physical resources.
Description of drawings
Fig. 1 is a schematic flow sheet of the present invention.
The specific embodiment
At first, according to following manner medical waste is handled:
(1) refuse collection: adopt the collection mode of sealing, carry out the collection of medical waste;
(2) letter sorting: separate for bulk materials that wherein can recycle separately and bulk material, collect separately and recycle, unclassified stores focuses on;
(3) pulverize: under the condition of sealing, the whole materials that focus on are pulverized, pulverized according to the mode that the disintegrating apparatus of selecting for use can adopt once pulverizing and secondary to pulverize.
(4) radiation sterilization: whole materials of pulverizing are carried out radiation sterilization;
(5) sorting: adopt mechanical system, proportion and magnetic according to material are divided three classes medical waste, and a class is lighter material, and its main component is fiber and other macromolecule organics; Second class is heavier material, and its main component is ore deposit class materials such as metal and sandstone; The 3rd class is a magnetisable material, wherein has iron and other metals of high level; The 4th class is remaining material, wherein mostly is organic matter.
Above-mentioned four class materials are handled respectively, wherein first kind material is used to prepare solid burning block, the second class material is used to make building materials or other fill materials, the 3rd class material carries out technics of metallurgy mineral dressing, wherein washed ore is used for metallurgy, CHARACTERISTICS OF TAILINGS SAND is used to make building materials or other fill materials, and the 4th class material carries out burning disposal.
In step (1), reply separate sources and different types of medical waste are collected separately, adopt different refuse containers to deposit, can not be suitable for processing mode of the present invention to wherein particular matter, should on the basis of collecting separately, handle separately according to pertinent regulations and common way, for example pathologic discarded object, radioactive substance or the like although these materials are listed the category of medical waste in, can not be sneaked into other medical wastes and carry out unified processing.What therefore, the present invention adapted to is not have the rubbish of independent process mode or the rubbish that needn't handle separately.
In step (2), collect separately with recoverable material bulk large, so that recycling separately, in the process that these letter sortings generally can rubbish produce, adopt independent container to need to sort the collection of the rubbish of handling and deposit, these rubbish of depositing separately are transported to the recycling place separately;
In step (3), adopt full closeding equipment to carry out the pulverizing of rubbish, in the disintegrating apparatus of sealing ultraviolet disinfection lamp to be set, so that the air that carries out wherein carries out disinfection, avoid carrying microorganism because of swimming in airborne particle, leak into space outerpace.
In step (4), can adopt electron accelerator to carry out radiation sterilization, this radiation device uses flexibly, and irradiation hazard is little, is convenient to protection.
Adopt rubbish material that the conveyer belt mode makes pulverizing radiation areas continuously, so that work continuously.
In step (5), adopt following manner to carry out mechanical sorting
(a) magnetic separation adopts magnetic plant with the magnetisable material separating treatment in the material, and these magnetisable materials can be used as metallurgical raw material and recycled;
(b) selection by winnowing: the feed separation that proportion is lighter is handled, and these materials mostly are fiber-like and other organic materials, can be used to make composite building material etc. after cleaning and pulverizing;
(c) gravity jigging: the material sorting process that proportion is bigger, these materials mostly are inorganic minerals such as stone sand and metal etc., can come out by the feed separation that further technique of preparing will wherein contain higher metal, as metallurgical raw material, remaining material can be used for building materials or carry out landfill, owing to wherein less contain organic matter and nuisance, generally can not produce pollution behind this material landfill, and not require complicated landfill yard ground processing underground water and atmosphere;
For first kind material, adopt following manner to prepare solid burning block: described first kind material is pulverized, make its granularity below 60 orders, with bituminous coal powder according to 100: the ratio of 30-40 is mixed, add suitable binding agent simultaneously, and can add in combustion adjuvant, stabilizing agent, oxidant and the antismoke agent any one and several, after adding water and mixing, by the make-up machine pressure forming, form patch fuel after the air dry.
Described binding agent adopts one or more in the following material: starch, bentonite and loess.
Described combustion adjuvant adopts one or more in the following material: potassium nitrate, magnesium nitrate, sodium chloride, sodium nitrate, potassium permanganate, magnesite soil and potassium hyperchlorate.
Described stabilizing agent adopts one or more in the following material: barium nitrate, magnesium nitrate, calcium oxide, magnesia and sodium carbonate.
Described oxidant adopts one or more in the following material: hydrogen peroxide, nitric acid, sodium peroxide, potassium peroxide and peromag.
Described antismoke agent adopts one or more in the following material: NaOH, potassium hydroxide,, zinc nitrate, potassium hyperchlorate, quick lime, calcium nitrate and lithium nitrate.
Can select the adding proportion of above-mentioned additive according to prior art and experimental data.
Claims (10)
1. a medical garbage sorting harmless is handled and the combustible recoverying and utilizing method, it is characterized in that medical waste is sterilized and sorting, isolate first kind material based on fiber and other organic materials, described first kind material is pulverized, with bituminous coal powder according to 100: the ratio of 30-40 is mixed, and adds suitable binding agent simultaneously, after adding the water mixing, by the make-up machine pressure forming, form patch fuel after the air dry, the concrete mode of described medical waste sterilization and sorting is:
(1) refuse collection: adopt the collection mode of sealing, carry out the collection of medical waste;
(2) letter sorting: separate for bulk materials that wherein can recycle separately and bulk material, collect separately and recycle, unclassified stores focuses on;
(3) pulverize: under the condition of sealing, the whole materials that focus on are pulverized, pulverized according to the mode that the disintegrating apparatus of selecting for use can adopt once pulverizing and secondary to pulverize.
(4) radiation sterilization: whole materials of pulverizing are carried out radiation sterilization;
(5) sorting: adopt mechanical system, proportion and magnetic according to material are divided into four classes with medical waste, and a class is lighter material, and its main component is fiber and other macromolecule organics; Second class is heavier material, and its main component is ore deposit class materials such as metal and sandstone; The 3rd class is a magnetisable material, wherein has iron and other metals of high level; The 4th class is remaining material, wherein mostly is organic matter.
2. medical garbage sorting harmless as claimed in claim 2 is handled and the combustible recoverying and utilizing method, it is characterized in that: when described first kind material prepares solid burning block, also add in combustion adjuvant, stabilizing agent, oxidant and the antismoke agent any one and several.
3. medical garbage sorting harmless as claimed in claim 2 is handled and the combustible recoverying and utilizing method, it is characterized in that adopting in the following material one or more at described binding agent: starch, bentonite and loess; Described combustion adjuvant adopts one or more in the following material: potassium nitrate, magnesium nitrate, sodium chloride, sodium nitrate, potassium permanganate, magnesite soil and potassium hyperchlorate; Described stabilizing agent adopts one or more in the following material: barium nitrate, magnesium nitrate, calcium oxide, magnesia and sodium carbonate; Described oxidant adopts one or more in the following material: hydrogen peroxide, nitric acid, sodium peroxide, potassium peroxide and peromag; Described antismoke agent adopts one or more in the following material: NaOH, potassium hydroxide,, zinc nitrate, potassium hyperchlorate, quick lime, calcium nitrate and lithium nitrate.
4. handle and the combustible recoverying and utilizing method as claim 1,2 and 3 described medical garbage sorting harmless, it is characterized in that: in step (1), adopt independent container to need to sort the collection of the rubbish of handling and deposit, these rubbish of depositing separately are transported to the recycling place separately.
5. medical garbage sorting harmless as claimed in claim 4 is handled and the combustible recoverying and utilizing method, it is characterized in that: in step (2), to collect separately and independent the processing according to the discarded object that pertinent regulations and common way should collect separately and handle separately, can not sneak in the unified medical waste of handling.
6. handle and the combustible recoverying and utilizing method as claim 1,2 and 3 described medical garbage sorting harmless, it is characterized in that: in step (3), adopt full closeding equipment to carry out the pulverizing of rubbish, in the disintegrating apparatus of sealing ultraviolet disinfection lamp will be set, air is carried out disinfection.
7. medical garbage sorting harmless as claimed in claim 5 is handled and the combustible recoverying and utilizing method, it is characterized in that: in step (4), adopt rubbish material that the conveyer belt mode makes pulverizing radiation areas continuously, so that work continuously.
8. medical garbage sorting harmless as claimed in claim 6 is handled and the combustible recoverying and utilizing method, it is characterized in that: described sorting adopts mechanical system to carry out, comprise magnetic separation, described magnetic separation mode is for adopting magnetic plant with the magnetisable material separating treatment in the material, and these magnetisable materials can be used as metallurgical raw material and recycled.
9. medical garbage sorting harmless as claimed in claim 7 is handled and the combustible recoverying and utilizing method, it is characterized in that: described sorting adopts mechanical system to carry out, comprise selection by winnowing, described selection by winnowing mode is that the feed separation that proportion is lighter is handled, these materials mostly are fiber-like and other organic materials, can be used to make composite building material etc. after cleaning and pulverizing.
10. medical garbage sorting harmless as claimed in claim 8 is handled and the combustible recoverying and utilizing method, it is characterized in that: described sorting adopts mechanical system to carry out, comprise the gravity jigging, described gravity jigging mode is the material sorting process that proportion is bigger, these materials mostly are inorganic minerals such as stone sand and metal etc., can come out by the feed separation that further technique of preparing will wherein contain higher metal, as metallurgical raw material, remaining material is used for building materials or carries out landfill.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101135049A CN101590484A (en) | 2008-05-28 | 2008-05-28 | Medical garbage sorting harmless is handled and the combustible recoverying and utilizing method |
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| CNA2008101135049A CN101590484A (en) | 2008-05-28 | 2008-05-28 | Medical garbage sorting harmless is handled and the combustible recoverying and utilizing method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886009A (en) * | 2010-06-29 | 2010-11-17 | 王永昌 | Household refuse organic compound fuel, method for producing same and special equipment system thereof |
| CN104084414A (en) * | 2014-06-30 | 2014-10-08 | 湖南万容科技股份有限公司 | Recycling method of combustible solid waste |
| CN104475429A (en) * | 2014-12-04 | 2015-04-01 | 杭州运邦环保技术有限公司 | Novel medical waste disposal method and novel medical waste disposal device |
| CN106001049A (en) * | 2016-05-18 | 2016-10-12 | 湖南省小尹无忌环境能源科技开发有限公司 | Harmless resourceful treatment method for medical wastes |
| CN107521885A (en) * | 2017-07-14 | 2017-12-29 | 韩帮芹 | A kind of special refuse disposal system of hospital and processing method |
| CN109047270A (en) * | 2018-06-21 | 2018-12-21 | 冯丹 | A kind of medical rubbish harmless processing method |
| CN110591784A (en) * | 2019-09-23 | 2019-12-20 | 深圳市海源能源科技有限公司 | Refuse derived fuel block and preparation method thereof |
| CN110951514A (en) * | 2019-10-23 | 2020-04-03 | 深圳市海源能源科技有限公司 | Formula and preparation method of additive for refuse derived fuel block |
| CN115521814A (en) * | 2022-08-12 | 2022-12-27 | 河南天辰新垣环保科技研究院股份有限公司 | Method for bonding and pressing regenerated fuel by using medical waste |
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2008
- 2008-05-28 CN CNA2008101135049A patent/CN101590484A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886009A (en) * | 2010-06-29 | 2010-11-17 | 王永昌 | Household refuse organic compound fuel, method for producing same and special equipment system thereof |
| CN101886009B (en) * | 2010-06-29 | 2013-08-28 | 王永昌 | Household refuse organic compound fuel, method for producing same and special equipment system thereof |
| CN104084414A (en) * | 2014-06-30 | 2014-10-08 | 湖南万容科技股份有限公司 | Recycling method of combustible solid waste |
| CN104084414B (en) * | 2014-06-30 | 2016-05-18 | 湖南万容科技股份有限公司 | A kind of recycling processing method of flammable solid discarded object |
| CN104475429A (en) * | 2014-12-04 | 2015-04-01 | 杭州运邦环保技术有限公司 | Novel medical waste disposal method and novel medical waste disposal device |
| CN106001049B (en) * | 2016-05-18 | 2017-12-15 | 湖南省小尹无忌环境能源科技开发有限公司 | A kind of harmless and recycling treatment method of Biohazard Waste |
| CN106001049A (en) * | 2016-05-18 | 2016-10-12 | 湖南省小尹无忌环境能源科技开发有限公司 | Harmless resourceful treatment method for medical wastes |
| CN107521885A (en) * | 2017-07-14 | 2017-12-29 | 韩帮芹 | A kind of special refuse disposal system of hospital and processing method |
| CN107521885B (en) * | 2017-07-14 | 2020-07-24 | 韩帮芹 | Special hospital garbage treatment system and method |
| CN109047270A (en) * | 2018-06-21 | 2018-12-21 | 冯丹 | A kind of medical rubbish harmless processing method |
| CN109047270B (en) * | 2018-06-21 | 2021-09-17 | 刘晶晶 | Harmless treatment method for medical waste |
| CN110591784A (en) * | 2019-09-23 | 2019-12-20 | 深圳市海源能源科技有限公司 | Refuse derived fuel block and preparation method thereof |
| CN110951514A (en) * | 2019-10-23 | 2020-04-03 | 深圳市海源能源科技有限公司 | Formula and preparation method of additive for refuse derived fuel block |
| CN115521814A (en) * | 2022-08-12 | 2022-12-27 | 河南天辰新垣环保科技研究院股份有限公司 | Method for bonding and pressing regenerated fuel by using medical waste |
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Open date: 20091202 |