CN1915544A - Synthesis method for treating household garbage in city - Google Patents
Synthesis method for treating household garbage in city Download PDFInfo
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- CN1915544A CN1915544A CN 200510036502 CN200510036502A CN1915544A CN 1915544 A CN1915544 A CN 1915544A CN 200510036502 CN200510036502 CN 200510036502 CN 200510036502 A CN200510036502 A CN 200510036502A CN 1915544 A CN1915544 A CN 1915544A
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Abstract
A method for treating the city life garbage to generate more liquid fuel and more gas includes such steps as steam pressurizing, manual separation, magnetic separation, screening, hot pressing for degradating plastic garbage, water-aided hot pressing and degradating, pressure-varying decomposing to obtain liquid fuel and gas, and stirring non-plastic garbage.
Description
Technical field
The invention belongs to the waste treatment technique field, relate to a kind of method that is applicable to Urban Domestic Waste Comprehensive Treatment.
Background technology
In the city, environmental pollution is one of everyone thing of being concerned about most, and urban garbage disposal relates to the major issue of the basic living environment in city, also is that municipal government and administrative department especially pay attention to.In recent years, the way of disposal of refuse is more, and the progress of science makes some waste disposal methods improve to some extent, but is that cost is higher mostly, and operating costs are more.General treatment technology can be divided into burning, landfill, compost and some simple integrated treatments at present.
As everyone knows, comparatively perfect incinerating method cost is big, the processing method difficulty when the discharging accident takes place during the course, and lime-ash that incinerating method produced and dioxin are difficult to clear up, and stain environment for a long time; Burying method be pollution problem is embedded in underground, makeshift and can not be just as the direction of sustainable development; Also only to handle the rubbish after choosing, the security of the soil that it is produced often falls under suspicion and can not use a large amount of or many-sidedly compost, also can be described as and makes the rubbish that makes new advances; Some comprehensive treatment methods can not more properly be handled remaining complex material, also are the sources that produces secondary waste.
Summary of the invention
The objective of the invention is to take a kind of method of integrated treatment, house refuse with cleaning more, more environmental protection, more increment, more scientific methods is handled, remainder can not handle or obsolete material simply the amount of reaching is few, be easy to do innoxious processing, do not produce long-term pollution, do not need expensive disposal cost.After processing method of the present invention was collected into processing center from house refuse, the flow process that realizes the inventive method had the steam pressurized operation, manually choose operation, magnetic separation operation, screening process, plastics class hot pressing degraded operation, water helps hot pressing degraded operation, transformation to decomposite the operation of liquid fuel and combustion gas, non-plastics class agitating procedure.
The step of above-mentioned operation is: (1) is positioned over the rubbish of collecting makes pressurization and heat treated in the large-scale steam pressure cooker earlier, the temperature of employing 120 degree Celsius between 160 degree, pressure between the 0.6MPa to 1.0MPa, the time is between 60 minutes to 100 minutes; (2) rubbish of handling is discharged steam earlier before discharge rapidly, makes rubbish be minimized moisture, and the liquid that comes out from garbage decomposition can pump the step that is ready for use on following (7) to holding vessel; (3) rubbish is discharged the back from pressure cooker and is delivered between order-picking trucks by conveyer belt, is sorted out by the artificial rubbish of forming with different material volume big (according to different objects by artificial judgment), rubbish is conveyed into is sent to the processing of magnetic separation workshop after disintegrating machine is pulverized again; (4) conveyer belt forwards rubbish in the magnetic separation workshop to, with powerful magnetic force and antipole to metal automatic screening equipment rubbish in all metal objects of irony and non iron screen respectively, pack sale with the bundle press, the battery of wherein sorting out is done security landfill or special the processing in addition; (5) through the rubbish of magnetic separation again with screening installation tell glass, stone, brick, watt and other the inorganic object of soil property, what sub-elect all is made into construction material or makes general landfill disposal by crushing suitably; (6) the plastic cement object is told from the rubbish of remainder with screening installation in the screening process, the plastics of telling are through after crushing and being chopped into granule or small pieces＜5mm, be sent to hot pressing degraded device processes, material after the degraded is made into the liquid fuel general with light petroleum through the pressure regulating equipment that produces heat exchange again, has also produced combustion gas simultaneously;
(7) remaining untreated rubbish, major part is that the organic polymer (comprising paper products) of carbon containing reaches also not every the various impurity objects of filtering, volume is small, conveyer belt they deliver in the mixing plant, add in the above-mentioned steps (2) standby garbage decomposition liquid, after adding an amount of water again, high-speed stirring mixes homogenous liquid, help hot pressing degraded equipment to carry out degradation treatment in liquid pump to a water, material after the degradation treatment is broken down into the liquid fuel general with light petroleum through the pressure regulating equipment that produces heat exchange again, has also produced combustion gas and steam simultaneously; (8) collected liquid fuel in all manufacture processes refines into extensive stock fuel oil sale or personal with general oil refining method; (9) collected different molecular combustion gas in the manufacture process, liquefiable become the commodity liquefied gas to sell or personal, and the combustion gas that wherein is difficult to liquefy can be used in the energy demand of native system; (10) help the byproduct that is produced in the hot pressing edman degradation Edman process at hot pressing edman degradation Edman and water, major part is carbon, mineral matter and some elements, through can be used as industrial chemicals or fertilizer after leaching husky grey impurity, more a small amount of otiose material can be done general security landfill and handle.(11) steam and the water that adopts and discharge in the production process can recycling every filter device through system.
The hot pressure reaction device temperature that is adopted in the various hot pressing edman degradation Edmans of step (6) and (7) be 200 degree Celsius between 350 degree, pressure is between the 3.2MPa to 18.0MPa.
In step (6), various plastics can be handled simultaneously, comprise chloride polyvinyl chloride (PVC), heating power and pressure in the described degradation reaction equipment under the situation of oxygenation not, are degraded the polymer molecule long-chain of carbon containing in the plastics and hydrogen, make it be in a unsure state, when they are discharged into the equipment of decompression, under the situation of heat exchange, the polymer of having degraded just form the molecule short chain the liquid fuel of hydrocarbon, also discharge combustion gas simultaneously.
Water in step (7) helps in the hot pressing edman degradation Edman, heating power and pressure in the described degradation reaction equipment are degraded the organic polymer molecule long-chain of carbon containing, make it be in a unsure state, when they are discharged into the equipment of decompression, under the situation of heat exchange, the polymer of having degraded just forms the liquid fuel of hydrocarbon of molecule short chain, also discharges combustion gas and steam simultaneously, and the protium in the hydrone also helps the organic polymer of degrading.
The energy needs that liquid fuel that the inventive method produces and combustion gas substantially exceed system own has actual economic benefit.After rubbish is processed, have only material demand in a small amount to make landfill.The present invention recycles the purpose except reaching very high refuse, also the main component of rubbish is become can store and the costly energy, is to handle the technical quantum jump of domestic waste.
The present invention has following advantage:
(1) disposed of in its entirety is raised the efficiency.
(2) rubbish is become the raw material of producing the energy.
(3) realized the target of rubbish Recycling.
(4) avirulence gas discharging, non-secondary pollution.
(5) all rubbish is just handled the process sanitation and hygiene through high-temperature sterilization earlier.
(6) produce fuel oil and combustion gas the self-centered energy can be provided.
(7) but fuel oil and combustion gas commercialization sell, lower processing cost.
(8) water consumption is low, meets environmental protection concept.
Description of drawings
Accompanying drawing is a flow chart of the present invention.
The specific embodiment
Now the flow process of listed the inventive method in conjunction with the accompanying drawings is described in detail the present invention.
(1) rubbish of collecting (not needing broken bag in the polybag if be placed on) drops into pressurization and heating in the huge steam pressure cooker, its effect be rubbish sterilize, deodorizing, decrement and dehydration.Large-scale household refuse should be gone ahead of the rest broken before charging.Pressure cooker tiltable or vertical the storing, the top is a charging aperture, the below is a floss hole.The temperature of handling at 120 degree Celsius between 160 degree, pressure between 0.6MPa to 1.0MPa, the time 60 minutes to 100 minutes it., the various regulatory functions of pressure cooker are to guarantee that rubbish can not produce harmful chemical action in processing procedure, also make some organic substances obtain suitable preliminary degraded and do not pollute other object.The rubbish of handling allows steam discharge rapidly before discharge earlier, makes the water content of rubbish drop to minimum.
(2) liquid that comes out from garbage decomposition is pumped at once, is ready for use on the operation of this specification following (7).
(3) after the rubbish of handling is discharged from pressure cooker, deliver between order-picking trucks by conveyer belt, by manually the bigger article of forming with different material of volume being sorted out, toy or the small home electrical equipment formed as plastic cement and metal are again their crushing and deliver to the magnetic separation workshop after decomposing and continue to handle.
(4) rubbish between artificial order-picking trucks after conveyer belt is delivered to the magnetic separation workshop.The magnetic separation workshop adopts powerful magnetic energy and antipole to automatic screening machinery equipment the metal of irony and non iron to be sifted out respectively, delivers to bundle and presses equipment package to sell, and the battery of sorting out in this process must be done special the processing or security landfill.
(5) through the rubbish of magnetic separation again with screening installation tell glass, stone, brick, watt and other the inorganic object of soil property, the object of telling is suitably crushed, can utilize and make construction material or make general landfill disposal, the way of screening adopts selection by winnowing, spring, drum-type every automatic or automanual screening machineries such as filters.
(6) after selecting inorganic substances such as metal, glass, stone; conveyer belt is delivered to the separating plastic chips machine with remaining rubbish plastic material is sifted out; the plastics that sift out earlier through crushing and be chopped into granule or small pieces (＜5mm), flushing, discharge foreign material and drying after, deliver in the hot pressing degraded equipment and handle.Under the situation of no oxygenation, hot pressing makes the molecule instability to the degraded of the polymer molecule long-chain of carbon containing in the plastic cement and hydrogen.The polymer of being degraded is introduced into the pressure regulating equipment that produces heat exchange, with its hydrocarbon liquid that forms the molecule short chain, therefrom can extract various commodity fuel oils; Also discharge combustion gas in the process of heat exchange, sell the back that can store and liquefy, and some combustion gas that are difficult to liquefy can store personal.Also produce carbon and some chemical substances in the process of hot pressing, the latter is through can be used as industrial chemicals after leaching husky grey impurity, and otiose material can be done general security landfill and handle.The plastics that have more in this step and can not make hot-pressing processing also can directly be sold the reconstituted circularly merchant.
(7) Yu Xia rubbish major part is the organic substance of carbon containing, comprises that paper products and a little volume are small and fails every the impurity that leaches.Earlier they are introduced special mixing plant, add mentioned liquid that comes out from garbage decomposition of above-mentioned steps (2) and an amount of clear water after, high-speed stirring mixes uniform homogeneity mixing material, liquid is delivered in the hot pressing degradation reaction equipment and is handled.Water helps the hot pressing edman degradation Edman the degraded of the polymer molecule long-chain of carbon containing in the organic substance, makes the molecule instability.Liquid and then is introduced into the pressure regulating equipment that produces heat exchange, with its liquid fuel of hydrocarbon that forms the molecule short chain, therefrom extracts extensive stock fuel oil sale or personal; Also discharge the combustion gas of different molecular in the process of heat exchange, can do liquefaction and store and sell, some combustion gas that are difficult to liquefy can store personal.Also produce carbon and various mineral matter in hot pressing, the latter makes through can be used on fertilizer after leaching husky grey impurity, and otiose carbon can be done general security landfill.Water also becomes steam rapidly in the process of transformation discharges, recycling.Protium in the hydrone also helps the organic polymer of degrading.
The temperature that adopts in the method is separated in the used hot pressing of the present invention be 200 degree Celsius between 350 degree, pressure is between the 3.2MPa to 18.0MPa, can make adjusting according to the mean specific gravity of treated substance.
The liquid fuel of native system production and combustion gas substantially exceed the energy needs of system own, and actual economic benefit is arranged.After rubbish is processed, have only material demand in a small amount to make landfill.The present invention recycles the purpose except reaching very high refuse, also the main component of rubbish is become can store and the costly energy, is to handle the technical quantum jump of domestic waste.
Claims (4)
1. the integrated conduct method of a domestic waste, the flow process that it is characterized in that this method is the steam pressurized operation, artificial selection operation, the magnetic separation operation, screening process, plastics class hot pressing degraded operation, water helps hot pressing degraded operation, transformation decomposites the operation of liquid fuel and combustion gas, non-plastics class agitating procedure, the step of above-mentioned operation is: (1) is positioned over the rubbish of collecting earlier and makes pressurization and heat treated in the large-scale steam pressure cooker, and the temperature of employing is spent between 160 degree Celsius 120, pressure is between 0.6MPa to 1.0MPa, time is between 60 minutes to 100 minutes; (2) rubbish of handling is discharged steam earlier before discharge rapidly, makes rubbish be minimized moisture, and the liquid that comes out from garbage decomposition can pump the step that is ready for use on following (7) to holding vessel; (3) rubbish is discharged the back from pressure cooker and is delivered between order-picking trucks by conveyer belt, is sorted out by the artificial rubbish of forming with different material volume big (according to different objects by artificial judgment), rubbish is sent into disintegrating machine again and is pulverized and be sent to the processing of magnetic separation workshop after decomposing; (4) conveyer belt is sent to rubbish in the magnetic separation workshop, with powerful magnetic force and antipole to metal automatic screening equipment rubbish in all metal objects of irony and non iron screen respectively, pack sale with the bundle press, the battery of wherein sorting out is done security landfill or special the processing in addition; (5) through the rubbish of magnetic separation again with screening installation tell glass, stone, brick, watt and other the inorganic object of soil property, what sub-elect all is made into construction material or makes general landfill disposal by crushing suitably; (6) the plastic cement object is told from the rubbish of remainder with screening installation in the screening process, the plastics of telling are through crushing and be chopped into granule or small pieces＜5mm, be sent to hot pressing degraded device processes, material after the degraded becomes it into the liquid fuel general with light petroleum through the pressure regulating equipment that produces heat exchange again, has also produced combustion gas simultaneously; (7) remaining untreated rubbish, major part is that the organic polymer (comprising paper products) of carbon containing reaches also not every the various impurity objects of filtering, volume is small, conveyer belt is delivered in the mixing plant, add in the above-mentioned steps (2) standby garbage decomposition liquid, after adding an amount of water again, high-speed stirring mixes homogenous liquid, help hot pressing degraded equipment to carry out degradation treatment in liquid pump to a water, material after the degradation treatment is broken down into the liquid fuel general with light petroleum through the pressure regulating equipment that produces heat exchange again, has also produced combustion gas and steam simultaneously; (8) collected liquid fuel in all manufacture processes refines into the extensive stock fuel oil with general oil refining method; (9) collected different molecular combustion gas in the manufacture process, liquefiable becomes the commodity liquefied gas, and the combustion gas that wherein is difficult to liquefy can be used in the energy demand of native system; (10) help the byproduct that is produced in the hot pressing edman degradation Edman process at hot pressing edman degradation Edman and water, major part is carbon, mineral matter and some elements, through can be used as industrial chemicals or fertilizer after leaching husky grey impurity, more a small amount of otiose material can be done general security landfill and handle; (11) steam and the water that adopts and discharge in the production process can recycling every filter device through system.
2. system according to claim 1 is characterized in that: the hot pressure reaction device temperature that is adopted in the various hot pressing edman degradation Edmans of step (6) and (7) is that pressure was between 3.2MPa to 18.0MPa between 200 degree Celsius were spent to 350.
3. system according to claim 1, it is characterized in that: in step (6), various plastics can be handled simultaneously, comprise chloride polyvinyl chloride (PVC), heating power and pressure in the described degradation reaction equipment, under the situation of oxygenation not, the polymer molecule long-chain of carbon containing in the plastics and hydrogen is degraded, make it be in a unsure state, when they are discharged into the equipment of decompression, under the situation of heat exchange, the polymer of having degraded just form the molecule short chain the liquid fuel of hydrocarbon, also discharge combustion gas simultaneously.
4. system according to claim 1, it is characterized in that: the water in step (7) helps in the hot pressing biodegrading process, heating power and pressure in the described degradation reaction equipment are degraded the organic polymer molecule long-chain of carbon containing, make it be in a unsure state, when the material after the degraded is discharged into the equipment of decompression, under the situation of heat exchange, the polymer of having degraded just forms the liquid fuel of hydrocarbon of molecule short chain, simultaneously also discharge combustion gas and steam, the protium in the hydrone also helps the organic polymer of degrading.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036502 CN1915544A (en) | 2005-08-15 | 2005-08-15 | Synthesis method for treating household garbage in city |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036502 CN1915544A (en) | 2005-08-15 | 2005-08-15 | Synthesis method for treating household garbage in city |
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| CN1915544A true CN1915544A (en) | 2007-02-21 |
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| CN 200510036502 Pending CN1915544A (en) | 2005-08-15 | 2005-08-15 | Synthesis method for treating household garbage in city |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294348A (en) * | 2011-09-16 | 2011-12-28 | 天津德为环保工程设备有限公司 | High-efficient incineration generating system for municipal domestic wastes |
| CN102319718A (en) * | 2011-07-06 | 2012-01-18 | 加拿大国原企业有限公司 | A kind of waste disposal method |
| CN102615087A (en) * | 2012-03-15 | 2012-08-01 | 上海泰伍科新能源科技有限公司 | Method and equipment for obtaining high-quality solid fuel from solid wastes |
| WO2015196732A1 (en) * | 2014-06-25 | 2015-12-30 | 沙嫣 | Method for manufacturing biomass fuel from garbage |
-
2005
- 2005-08-15 CN CN 200510036502 patent/CN1915544A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319718A (en) * | 2011-07-06 | 2012-01-18 | 加拿大国原企业有限公司 | A kind of waste disposal method |
| CN102319718B (en) * | 2011-07-06 | 2014-07-30 | 加拿大国原企业有限公司 | Garbage treating method |
| CN102294348A (en) * | 2011-09-16 | 2011-12-28 | 天津德为环保工程设备有限公司 | High-efficient incineration generating system for municipal domestic wastes |
| CN102615087A (en) * | 2012-03-15 | 2012-08-01 | 上海泰伍科新能源科技有限公司 | Method and equipment for obtaining high-quality solid fuel from solid wastes |
| CN102615087B (en) * | 2012-03-15 | 2014-12-10 | 上海泰伍科新能源科技有限公司 | Method and equipment for obtaining high-quality solid fuel from solid wastes |
| WO2015196732A1 (en) * | 2014-06-25 | 2015-12-30 | 沙嫣 | Method for manufacturing biomass fuel from garbage |
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Open date: 20070221 |