CN1032737C - Innocuous treatment and using method for rubbish - Google Patents
Innocuous treatment and using method for rubbish Download PDFInfo
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- CN1032737C CN1032737C CN 91107235 CN91107235A CN1032737C CN 1032737 C CN1032737 C CN 1032737C CN 91107235 CN91107235 CN 91107235 CN 91107235 A CN91107235 A CN 91107235A CN 1032737 C CN1032737 C CN 1032737C
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- rubbish
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- garbage
- slag
- cement
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Abstract
The present invention relates to a harmless treatment and use method for garbage, which comprises: firstly, the garbage is poured into a treatment tank for aerobic treatment, anaerobic treatment, sterilization, disinfection and deodorization; organic matter is converted by biodegradation, and the side product is fuel gas; the organic matter is screened and separated, organic matter garbage is prepared into a solid fuel, namely a coal saving additive which is mixed into coal for combustion, inorganic matter is prepared into building materials, and waste plastics is prepared into a liquid fuel, paint and an adhesive agent. The present invention eliminates garbage pollution, the garbage is wholly and comprehensively utilized, and the garbage is changed into valuables; the present invention has the advantages of saved investment, high benefit, pollution prevention, energy conservation, etc.; the present invention is suitable for the harmless treatment and the utilization domestic garbage and some industrial garbage.
Description
The present invention relates to the harmless treatment of the processing of solid waste, particularly rubbish and utilize method.
At present, the processing to domestic waste generally is the employing compost, burns, buries even be poured among the rivers,lakes and seas that these methods not can solve the pollution of environment in the world.As, to bury and with the method for inclining a large amount of biological bacteriums is drifted about in the water or be penetrated in the underground water, the severe contamination water source has enlarged pollution range artificially, causes even more serious secondary pollution; Compost treatment is not only taken up an area of wide, and the obnoxious flavour that produced in the septic process of heap fermentation of rubbish can polluted air, the sewage polluted-water in the water that permeates the ground; It is limited to burn handled component of refuse, and wastes combustible material, and flue dust has a large amount of 3.4--benzopyrene pollution atmosphere.Prior art is to the processing of solid waste, generally be to adopt chemistry, physics, biological respectively and methods such as magnetic sort, screen, pulverize, burning, pressing treatment, the difficulty of refuse treatment engineering is big, investment is big, income is few, wherein majority only is in order to dwindle the volume of rubbish, shift or change blowdown mode, product after the only useful refuse treatment is done material of construction or thermal utilization, and rubbish is not carried out comprehensive harmless treatment and comprehensive utilization.
The objective of the invention is to overcome the shortcoming of prior art, a kind of harmless treatment of rubbish is provided and utilizes technology, domestic waste is carried out harmless treatment, eliminate the secondary pollution of rubbish, turn waste into wealth, all comprehensive utilizations, save energy again when curbing environmental pollution makes rubbish become fuel and fuel dope and material of construction.
The present invention realizes like this; It is characterized in that comprising the steps:
(1), rubbish is put into the top and have opening for feed and venting port, top is that gas storage storehouse, bottom or sidepiece have discharge port, and be to be sealed into the oxygen of acting charitably in the draughty treating pond to handle 10-12 days, when packing treating pond into, composition according to rubbish, add sodium bicarbonate 8-12kg in the rubbish per ton, potassium permanganate 0.5-3kg, unslaked lime 20-40kg, making in the pond temperature keep 35-45 ℃, pH value is 6-7, waste gas is sent into gas treatment chamber through gas storage storehouse, venting port by pneumatic tube, after dioxide peroxide method and active carbon adsorption processing, be discharged in the atmosphere again;
(2), iron powder 8-12kg, active grey 0.7-1.5kg, sodium-chlor 8-15kg and aluminium powder or aluminum shot 1-5kg will be added in the rubbish per ton in the rubbish after the aerobic treatment, mixing the sealing of even back carried out anaerobic treatment 8-12 days, venting port by the top, gas storage storehouse for the treatment of pond connects pneumatic tube, organism is changed into use for burning after inflammable gas is transported to the gas treatment chamber purification process;
(3), add organism 80-180kg, SODIUMNITRATE 8-12kg, saltpetre 8-12kg, magnesium powder 1-2kg after pulverizing in the every 800-900kg of organic matter rubbish slag that screening and separating is gone out, stir and make coal-saving additive, mix in the raw coal in the ratio of 30-60% again and burn;
(4), the sand that filters out, lime stone, slag ash and brick and tile crushing screening, granularity 100-150 order, account for 55-70%, lime powder granularity 100-150 order, account for 25-40%, terra alba granularity 100-150 order, account for 5-10%, prepare burden by weight percentage, dry mixing is even, makes slag ashes cement, packed for standby use;
(5), with brick and tile, pottery, grey sand grinding and processing, granularity 50-100 purpose accounts for 20-30%, the 100-150 purpose accounts for 25-35%, and the 150-180 purpose accounts for 20-30%, and slag ashes cement accounts for 10-20%, silicate cement or slag cement account for 10-20%, and the agent that thes cement solidifies of mixing 5-10%, by weight percentage the batching, after mixing thoroughly again the weight by grey slag burden add water 10-20%, stir and deposited 1-2 hour after 20-50 minute, again with 500kg/m
2Maintenance is seven days after the above pressure forming, makes unburned coal ash sand brick.
The invention provides a kind of harmless treatment of rubbish and utilize method, eliminated the secondary pollution of rubbish, all comprehensive utilization is turned waste into wealth, and when curbing environmental pollution, makes rubbish become fuel and fuel dope and material of construction.Just carry out screening and separating after rubbish process aerobic treatment and the anaerobic treatment, the moisture content in the rubbish has reduced about 90%.The weight saving of rubbish, volume-diminished 70% is a fuel, has reduced the screening and separating kind, easy screening and separating can reduce the volume and the power of screening installation, reduces investment outlay, high efficiency, harmless to environment and operator simultaneously, the coal-saving additive of making mixes when burning in the raw coal according to the ratio of 30-60%, through simultaneous test, its thermo-efficiency meets or exceeds equal raw coal, obnoxious flavoures such as sulfurous gas reduce 50-70%, and smoke discharge amount reduces 30%, save raw coal 20-40%.Be applicable to the harmless treatment of domestic refuse and organic industry rubbish and the processing and utilizing of utilization and inorganic industrial waste.
The present invention further describes below with reference to embodiment:
The embodiment of aerobic treatment
Rubbish is poured into the top, and to have opening for feed and venting port, top be that gas storage storehouse, bottom or bottom side have discharge port and be the well-ventilated and can carry out aerobic treatment 10-12 days in the treating pond of strict seal.Meanwhile, according to the composition of rubbish, add sodium bicarbonate 8-12kg, potassium permanganate 0.5-3kg, unslaked lime 20-40kg in the rubbish per ton.The big I for the treatment of pond is determined according to need treating refuse amount.At least two mouthfuls of ponds are built side by side.The pond four-hole is built side by side in the example.Every mouthful of long 25m in pond, wide 10m, dark 4m, the high 1-1.5m in gas storage storehouse are provided with opening for feed, long 4m, wide 2m, opening for feed and can use water-lute at the top, pond.The venting port of every mouthful of Chi Ding connects gas pipe line to gas treatment chamber.Discharge port is arranged at the bottom in every mouthful of pond, at the bottom of long 1.5m, wide 1m, the pond to discharge port angle of inclination 20-30 degree, to make things convenient for discharging garbage.Rubbish pack into 10-12 days sealed feed inlets in back and discharge port enter anaerobic treatment stage.
Add the fermentation rate that sodium bicarbonate can quicken aerobic treatment, impel the part organism in the rubbish to generate ethanol.Potassium permanganate is disinfected in early days to rubbish, simultaneously, meets the second ferment and decomposes, and emits oxygen, increases suitable oxygen concentration, gives the aerobic microbiological oxygen supply.Moisture content generation chemical reaction in unslaked lime and the rubbish generates white lime, moisture content in the rubbish is remained on about 30%, and emit a large amount of heat and improve temperature in the pond, make in the pond temperature remain on 35-45 ℃, regulate the pH value simultaneously, remain on the scope of 6-7, the optimal environmental condition of growth and breeding is provided to aerobic bacteria.Through aerobic treatment, the organism in the rubbish (except that minority Mierocrystalline cellulose, xylogen) is all degraded.The waste gas (being mainly hydrogen sulfide) that the aerobic treatment stage is produced is sent into gas treatment chamber from gas storage storehouse, venting port with pneumatic tube, is discharged in the atmosphere after handling with dioxide peroxide method and active carbon adsorption again.
The embodiment of anaerobic treatment
After the opening for feed in sealing treatment pond and discharge port about 3 days, just enter anaerobic treatment, treatment time 8-12 days, anaerobic treatment stage was organism is further degraded and to be converted into inflammable gas (as methane) by anerobe.Connect by the venting port on the top, gas storage storehouse for the treatment of pond and to use for burning after pneumatic tube is transported to the gas treatment chamber purification process with combustion gas.During anaerobic treatment, make the needs of high-grade fuel according to rubbish ingredient and whole finished product, rubbish per ton adds iron powder 8-12kg, gac 0.7-1.5kg, sodium-chlor 8-15kg, aluminium powder or aluminum shot 1-5kg.In treating processes, because the biological heat in the organic matter degradation process, unslaked lime and the water chemical heat that the heat of emitting and the quick oxidation of iron powder are produced that reacts, temperature in the treating pond remains at 45-60 ℃, last 3 days is 70-80 ℃, this persistent high temperature had both quickened organic degradation rate, had killed the poisonous germ in the rubbish again.Particularly strong carcinogens such as aflatoxin and nitrosamine compound there is unique killing effect.Because aflatoxin belongs to middle warm nature aerobic microorganism, under anaerobic promptly lost the survival environment condition and all killed, microorganism that nitrosamine compound is only grown under the anaerobic environment condition such as the decomposition of capsula Rhodopseudomonas ability, the rate of decomposition after the processing reaches more than 90%.Simultaneously, the roundworm egg in the rubbish, fly pupa mortality ratio reach 100%, 3.4 one benzopyrene and reduce more than 30%, and colititre is below 0.01%.Reached the purpose of harmless treatment.Organism biochemical reaction under anaerobic is:
Acid formers organism methanogen
Organic acid, alcohol, energy
CH
4CONH
3H
2H
2S (energy)
The gas production rate of domestic refuse per ton can reach 200M
3
The embodiment of screening and separating
Rubbish after the harmless treatment is transported to e Foerderanlage from the discharge port for the treatment of pond carries out screening and separating in the multistage screening machine.Through the rubbish after aerobic treatment and the anaerobic treatment.Institute's water content is 5-10%, adopt hydrometer method and granularity method to screen to it, plastic waste (accounting for the 0.5-1% of rubbish) is told in screening, aphlogistic inorganicss such as brick and tile, pottery, glass (account for rubbish total amount 25%), organic matter rubbish slag (account for rubbish total amount 70%).The multistage screening machine is an oscillatory type multilayer separating screen, the first layer is big particle diameter sieve, particle diameter 50mm, classification again after big particle diameter rubbish separated, inorganicss such as plastics, brick and tile, pottery, glass are separated with organism, the second layer is middle particle diameter sieve, particle diameter 10mm, classification again after rubbish screened once more, the 3rd layer is the fine grain size sieve, the 50-100 order, isolate is made solid fuel---coal-saving additive, make solid fuel for fine grain size sieve, 100-150 order, isolate for the 4th layer---coal-saving additive, make ashes cement or brick is used less than 150 purposes.
The embodiment of comprehensive processing and utilization
(1), the preparation of coal-saving additive: the every 800-900kg of the organic matter rubbish slag that screening and separating is gone out adds the rice husk after pulverizing, wheat straw, organism slag 80-180kg, SODIUMNITRATE 8-12kg such as wood chip, saltpetre 8-12kg, magnesium powder 1-2kg, after stirring, mix in the raw coal in the ratio of 30-60% again and burn.Its combustion principle is:
(1), organic matter rubbish slag itself just can burn, general combustion heat value is in (3000-5500) * 10
3Cdl;
(2), sterilization, oxygenation, the heating agent that is used for aerobic treatment and anaerobic treatment stage is again ignition dope or incendiary material in burning, as potassium permanganate in burning, can emit oxygen and aiding combustion when temperature reaches 250 ℃, ferric oxide becomes the high thermite of heat with aluminium powder that increases hydrogen concentration or the bits of the aluminium in aluminum shot and the rubbish in burning.
(3), the magnesium powder is sweetening agent, except that itself easy firing, combining with aluminium has more increased combustion efficacy,
(4), the various scrap metal grains in the rubbish produce a large amount of radiant heat in burning, under the acting in conjunction of ignition dope and incendiary material, very fast formation heat build-up family;
(5), after rubbish process aerobic treatment and the anaerobic treatment, by biochemical combined reaction, in coal-saving additive, increased the proportion (accounting for 28-33%) of volatile matter composition, in the burning of coal process, volatile matter has bigger influence to catching fire and burning, it catches fire rapidly coal, fully perfect combustion.
The desulfurization measure of coal-saving additive is: the lime desulfurization when (1), aerobic treatment; (2), lime adds the sodium bicarbonate desulfurization; (3), ferric oxide desulfurization and magnesium desulfurization.Desulfurization is abundant, and the quantity discharged of sulfurous gas reduces 50-70%.
(2), preparation slag ashes cement: with the sand that filters out, lime stone, slag ash (various slags all can) and brick and tile crushing screening, granularity 100-150 order, account for 50-70%, lime granularity 100-150 order, account for 25-40%, terra alba granularity 100-150 order, account for 5-10%, prepare burden by weight percentage, dry mixing is even, and the dress envelope is stand-by.Label can reach 300-400#, is used to pave the way or beats Horizon and use.
(3), the manufacturing of unburned coal ash sand brick: with pulverizing such as the brick and tile that screen, pottery, ash, sands, granularity 50-100 purpose accounts for 20-30%, the 100-150 purpose accounts for 25-35%, the 150-180 purpose accounts for 20-30%, slag ashes cement accounts for 10-20%, silicate cement or slag cement account for 10-20%, and the agent that thes cement solidifies of mixing 5-10%, prepare burden by weight percentage, after mixing thoroughly again the weight by grey slag burden add water 10-20%, stir and deposited 1-2 hour after 20-50 minute, again with 500kg/m
2Above pressure forming maintenance was made in seven days.Its label can reach 100-150#, and folding strength is not less than 25kg/cm
2
(4), the manufacturing of artificial marble: with glass, pottery, brick and tile or flyash crushing screening, more than granularity 100 orders, account for 65-75%, add unsaturated polyester resin tackiness agent (as 195,196,197,306,307 etc.) and account for 10-15%, Tetra hydro Phthalic anhydride accounts for 7-13%.Yellow soda ash or calcium chloride account for 7-15%, mix to stir, and the model of packing into the moulding of vibrating, is gone up cured polishing at the demoulding after 8 hours, finishing, ambient cure.
(5), Treatment of Waste Plastics:
Vinyl plastics and propylene plastics can utilize prior art to make the reprocessed plastic(s) goods.
Porous plastics (accounting for the 1-2% of rubbish total amount) adds different linking agents again and can generate tackiness agent with after toluene or the xylene soluble, adds various pigment again and can produce paint, waterproof paint and moisture-proofing agent for paperboard box or liquid fuel.
Claims (5)
- The method for innocent treatment of municipal wastes is characterized in that comprising the steps:(1), rubbish is put into the top and have opening for feed and venting port, top is that gas storage storehouse, bottom or sidepiece have discharge port, and be to be sealed into the oxygen of acting charitably in the draughty treating pond to handle 10-12 days, when packing treating pond into, composition according to rubbish, add sodium bicarbonate 8-12kg in the rubbish per ton, potassium permanganate 0.5-3kg, unslaked lime 20-40kg, making in the pond temperature keep 35-45 ℃, pH value is 6-7, waste gas is sent into gas treatment chamber through gas storage storehouse, venting port by pneumatic tube, after dioxide peroxide method and active carbon adsorption processing, be discharged in the atmosphere again;
- (2), iron powder 8-12kg, active grey 0.7-1.5kg, sodium-chlor 8-15kg and aluminium powder or aluminum shot 1-5kg will be added in the rubbish per ton in the rubbish after the aerobic treatment, mixing the sealing of even back carried out anaerobic treatment 8-12 days, venting port by the top, gas storage storehouse for the treatment of pond connects pneumatic tube, organism is changed into use for burning after inflammable gas is transported to the gas treatment chamber purification process;
- (3), add organism 80-180kg, SODIUMNITRATE 8-12kg, saltpetre 8-12kg, magnesium powder 1-2kg after pulverizing in the every 800-900kg of organic matter rubbish slag that screening and separating is gone out, stir and make coal-saving additive, mix in the raw coal in the ratio of 30-60% again during application and burn;
- (4), the sand that filters out, lime stone, slag ash and brick and tile crushing screening, granularity 100-150 order, account for 55-70%, lime powder granularity 100-150 order, account for 25-40%, terra alba granularity 100-150 order, account for 5-10%, prepare burden by weight percentage, dry mixing is even, makes slag ashes cement, packed for standby use;
- (5), with brick and tile, pottery, grey sand grinding and processing, granularity 50-100 purpose accounts for 20-30%, the 100-150 purpose accounts for 25-35%, and the 150-180 purpose accounts for 20-30%, and slag ashes cement accounts for 10-20%, silicate cement or slag cement account for 10-20%, and the agent that thes cement solidifies of mixing 5-10%, by weight percentage the batching, after mixing thoroughly again the weight by grey slag burden add water 10-20%, stir and deposited 1-2 hour after 20-50 minute, again with 500kg/m 2Maintenance is seven days after the above pressure forming, makes unburned coal ash sand brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91107235 CN1032737C (en) | 1991-06-24 | 1991-06-24 | Innocuous treatment and using method for rubbish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91107235 CN1032737C (en) | 1991-06-24 | 1991-06-24 | Innocuous treatment and using method for rubbish |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1058158A CN1058158A (en) | 1992-01-29 |
| CN1032737C true CN1032737C (en) | 1996-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91107235 Expired - Fee Related CN1032737C (en) | 1991-06-24 | 1991-06-24 | Innocuous treatment and using method for rubbish |
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| Country | Link |
|---|---|
| CN (1) | CN1032737C (en) |
Cited By (1)
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| CN101195121B (en) * | 2007-02-28 | 2010-07-28 | 李华 | Method for pollution-free processing, recycling urban pollutant and producing regeneration product |
| CN102030567A (en) * | 2010-10-25 | 2011-04-27 | 赵泽明 | Processing method for comprehensive utilization of solid household refuse |
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| CN103551367B (en) * | 2013-10-24 | 2016-05-18 | 江苏维尔利环保科技股份有限公司 | Municipal living refuse comprehensive treatment method |
| CN105272013B (en) * | 2015-11-03 | 2017-05-24 | 陶祖岐 | Heat-insulation and sound-isolation building block manufactured by domestic garbage |
| CN105271935B (en) * | 2015-11-03 | 2017-06-30 | 陶祖岐 | Decorative panel and packaging boxboard that a kind of house refuse is made |
| CN105233321B (en) * | 2015-11-16 | 2018-01-16 | 广西捷佳润科技股份有限公司 | Garbage transfer station workshop condition automatic disinfection deodorizing method |
-
1991
- 1991-06-24 CN CN 91107235 patent/CN1032737C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101340986B (en) * | 2005-12-21 | 2010-10-13 | 索瑞恩切克尼环境股份公司 | Method for obtaining a bio-stabilised woodland substrate from the integral cycle of urban solid waste treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1058158A (en) | 1992-01-29 |
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