CN105602648B - A kind of it is applied to two English inhibitor of incineration treatment of garbage and preparation method thereof - Google Patents

A kind of it is applied to two English inhibitor of incineration treatment of garbage and preparation method thereof Download PDF

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CN105602648B
CN105602648B CN201610144937.5A CN201610144937A CN105602648B CN 105602648 B CN105602648 B CN 105602648B CN 201610144937 A CN201610144937 A CN 201610144937A CN 105602648 B CN105602648 B CN 105602648B
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english
inhibitor
activator
composition
mud
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CN105602648A (en
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李春萍
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Beijing Jinyu Limited-Liability Co
Beijing Building Materials Academy of Sciences Research
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Beijing Jinyu Limited-Liability Co
Beijing Building Materials Academy of Sciences Research
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    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L10/00Use of additives to fuels or fires for particular purposes
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2230/00Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/08Inhibitors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention be a kind of be applied to two English inhibitor of incineration treatment of garbage and preparation method thereof, the composition of two English inhibitor includes:Carbide slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The ratio of weight and number of each composition is:Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, potassium permanganate 8 ~ 12, activator 3 ~ 10.Carbide slag washing is mixed with the mud after mummification, then mixes with desulfurated plaster after pulverizing successively, add carbamide and titanium dioxide mixing, add potassium permanganate and activator, stir in mixing, obtain two English inhibitor.Before house refuse enters incinerator, add the two English inhibitor mixed that mass ratio is 1~10% after 10 minutes, enter back into rubbish conveyer belt, after waste incineration, two English can cut down 65 ~ 85%.

Description

A kind of it is applied to two English inhibitor of incineration treatment of garbage and preparation method thereof
Technical field
The invention belongs to the two English inhibitor that solid waste disposal field, more particularly to flue gas of refuse burning control, Control two English discharges in incineration treatment of garbage flue gas.Specifically related to a kind of two English suppression being applied to incineration treatment of garbage Agent and preparation method thereof.
Background technology
With the continuous expansion of city size, the continuous improvement of the growing and living standards of the people of urban population, The yield of domestic waste is being gradually increased.Early in 1996, the municipal refuse amount of clearing of China just reached 100,000,000 Ton, and increased with 8% ~ 10% speed every year.The volume of cargo in storage over the years of rubbish reaches more than 60 hundred million tons, and there is more than 200 city in the whole nation It is absorbed among the encirclement of rubbish, rubbish stores up the land area occupied up to more than 500,000,000 square metre.Garbage disposal has become as restriction The major issue of Chinese city environment.
Recovery section energy while burning disposal can quickly process garbage on a large scale, can make house refuse volume reduction 80%~95% so that the final disposal amount of rubbish is preferably minimized, and can kill rubbish using the harmful components in pyrolytic rubbish Pathogen in rubbish and parasitic ovum;The heat energy producing during incineration firing also can fully reclaim, for supplying heat and generating power.With other Processing method is compared, and burning method not only conforms with " three change " principle of garbage disposal, and it is little to have a floor space, stable, Multiple advantages such as process time is short, have become as the preferred option of urban garbage disposal in many countries and regions.
Due to its land resource scarcity, waste incineration is very common in some developed countries, and such as Japan has built up more than 6000 Seat incinerator, occupies the first place of world's incinerator quantity.Denmark and Sweden always produce electricity using burning away the refuse The pioneer of power, in application existing century more than one, 2005, domestic 4.8% electric power was supplied in the incineration of garbage of Denmark, and 13.7% heating consumption.Some other country European is especially as Holland, Germany and France extremely rely on burning to process city Rubbish.According to China《Urban construction counts annual report》, the quantity of China's garbage burning factory and average treatment scale increase year by year, rubbish Ratio in installation for rubbish processing to be harmless for the rubbish treatment facility is also increasing, and these all illustrate incineration technology at China's rubbish In reason, shared component is more and more heavier.Prediction, coming 10 years, Chinese incineration treatment of garbage sum-rate is by by present 2%~3% Rise to 10%~20%.
However, due to the living habit of China resident and rubbish mixed collection pattern, leading to the house refuse of China aqueous Rate is high and contains substantial amounts of plastics, metal substances matter, is that the generation of two English provides material base.Plus incinerator Ignition temperature low (less than 850 DEG C), the material time of staying short (generally 1~3 second) at high temperature, garbage is difficult to divide completely Solution, it is possible to create imperfect combustion product and some harmful gass such as sour gas and two English etc., causes atmospheric pollution;Lime-ash In flying dust in be also enriched substantial amounts of two English, belong to danger wastes, if transport, storage, processed and mishandling, it will Serious harm is formed to human health, ecological environment, therefore, two English of tail gas and flying dust process always puzzlement rubbish and burn Burn the principal element of factory's construction.The worry of the environmental protection aspect to traditional life incinerator for the people, the life of China's Program Construction The construction of garbage burning factory alive encounters sizable resistance, and the garbage burning factory of a lot of urban plannings slowly fails to go into operation to build If.
Content of the invention
It is an object of the invention to provide a kind of two English inhibitor being applied to flue gas of refuse burning control, solve rubbish The problems such as when burning, two English discharge the exceeded Heavy environmental pollution causing, enables the flue gas row up to standard of waste incineration Put, reduce the difficulty of later stage process, the feature being produced according to dioxins, development can be closed from source suppression two English The additive becoming, thus reach the purpose of suppression two English discharge.
The purpose of the present invention is achieved through the following technical solutions:
A kind of two English inhibitor being applied to incineration treatment of garbage, the composition of described two English inhibitor includes:Carbide Slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The ratio of weight and number of each composition is:Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, potassium permanganate 8 ~ 12, activator 3 ~10.
Further, the ratio of weight and number of described each composition is:Carbide slag 20, carbamide 20, mud 20, desulfurated plaster 15th, titanium dioxide 10, potassium permanganate 10, activator 5.
Further, described carbide slag is the material after washing, and the carbide slag natural drying after washing to moisture content is 10% Less than ~ 15%, grinding to granularity is that 80 mesh screen residues are less than 5%;The moisture content of described mud is 30%, pulverizes as graininess, and particle diameter is 3mm~5mm;Described desulfurated plaster is powdery, and granularity is that 80 mesh screen residues are less than 5%.
Further, the composition of described activator is magnesium oxide, hydrogen peroxide and iron powder, the ratio of weight and number of each composition For:Magnesium oxide 1 ~ 3, hydrogen peroxide 3 ~ 5, iron powder 3 ~ 5.This activator is the activator of oxidation-reduction system, not only has concurrently Two kinds of characteristics of oxidation and reduction, and there is stronger shock-absorbing capacity.
A kind of preparation method of the two English inhibitor being applied to incineration treatment of garbage, the composition of described two English inhibitor Including:Carbide slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The ratio of weight and number of each composition is: Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, potassium permanganate 8 ~ 12nd, activator 3 ~ 10;Described preparation method comprises the following steps:
1)Carbide slag is washed, after natural drying, grinding, with after mummification, pulverize after mud mix, stir in mixing Mix, stirring adopts kneader, stirrer paddle rotating speed is 10 ~ 15 revs/min, mixing time is 3 ~ 5 minutes;
2)By step 1)Mixture after stirring with pulverize after desulfurated plaster mix, stir in mixing, stir using pinching Conjunction machine, stirrer paddle rotating speed is 10 ~ 15 revs/min, and mixing time is 3 ~ 5 minutes;
3)By step 2)Add carbamide and titanium dioxide in mixture after stirring, stir in mixing, stir using pinching Conjunction machine, stirrer paddle rotating speed is 20 ~ 20 revs/min, and mixing time is 5 ~ 10 minutes;
4) by step 3)Mixture after stirring adds potassium permanganate and activator magnesium oxide and hydrogen peroxide, in mixing Stirring, stirring adopts kneader, and stirrer paddle rotating speed is 25 ~ 30 revs/min, and mixing time is 2 ~ 3 minutes, is eventually adding ferrum Powder, stirs 1 ~ 2 minute, obtains the described two English inhibitor of powder shaped.
In this preparation technology, key parameter is priority addition sequence and the stirring technique of material.The priority that material adds is suitable Sequence can not mistake, otherwise can affect the material composition prepared, stirring technique can affect the response time.
The using method of described two English inhibitor, house refuse enter incinerator before, add with its mass ratio be 1~ 10% described two English inhibitor, described two English inhibitor are powder body, and rubbish is mixed with described two English inhibitor stirrings After more than 10 minutes, enter back into rubbish conveyer belt.
Beneficial effects of the present invention are:
1) present invention two English inhibitor is applied to the heat treatments such as waste incineration, gasification, pyrolysis;
2)The present invention two English inhibitor adopt carbide slag, mud, desulfurated plaster etc. as additive prepare mainly former Material is it is achieved that the treatment of wastes with processes of wastes against one another;
3)The present invention two English inhibitor suppresses the generation of two English in source.
4)Before house refuse enters incinerator, add the additive that mass ratio is 1~10%, two English after waste incineration 65 ~ 85% can be cut down.
Specific embodiment
Embodiment 1
A kind of two English inhibitor being applied to incineration treatment of garbage, the composition of described two English inhibitor includes:Carbide Slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The ratio of weight and number of each composition is:Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, potassium permanganate 8 ~ 12, activator 3 ~10.
Preferably scheme is that the mass percent of described each composition is:Carbide slag 20%, carbamide 20%, mud 20%, de- Sulfur Gypsum Fibrosum 15%, titanium dioxide 10%, potassium permanganate 10%, activator 5%.
This carbide slag is the material after washing, and water-washing process is 2 rinsings, and the ratio of mud is 3 ~ 5:1, i.e. 3 ~ 5 parts of water washings 1 Part carbide slag(Mass ratio), carbide slag natural drying to the moisture content after washing is less than 10% ~ 15%, and then grinding to granularity is 80 mesh screen residues are less than 5%.Carbamide is graininess, market convenience goods.The moisture content of mud is reduced to 30%, then pulverizes as granule Shape, particle diameter is 3mm ~ 5mm;Desulfurated plaster is powdery, and granularity is that 80 mesh screen residues are less than 5%.Titanium dioxide and potassium permanganate are city Field commodity.Activator is crystal, independent research.
The main component of activator is:Magnesium oxide, hydrogen peroxide and iron powder.Its allocation ratio is(Mass ratio):1~3:3~ 5:3~5.
The collocation method of this additive is:Carbide slag is washed, after natural drying, grinding, with mummification after, pulverize after dirt Mud mixes, and stirs in mixing, and stirring adopts kneader, and stirrer paddle rotating speed is 10 turns of minutes, and mixing time is 5 minutes;So Mix with desulfurated plaster after pulverizing more afterwards, stir in mixing, stirring adopts kneader, stirrer paddle rotating speed is 10 turns of minutes, Mixing time is 5 minutes;Add carbamide and titanium dioxide, stir in mixing, stirring adopts kneader, stirrer paddle rotating speed For 10 turns of minutes, mixing time is 5 minutes;It is eventually adding potassium permanganate and activator, stirs in mixing, stirring is using kneading Machine, stirrer paddle rotating speed is 10 turns of minutes, and mixing time is 5 minutes.
Embodiment 2
Two English inhibitor of optimization formula described in embodiment 1 are applied among incineration treatment of garbage.
In 10 tons of rubbish, before the old rubbish that moisture content is 35% enters incinerator, add 0.5 ton of two English suppression Rubbish is simultaneously repeatedly mixed 10 times with two English inhibitor by agent using forklift, is sufficiently mixed with reaching, and rubbish, after burning, produces In raw flue gas, in vent gas treatment front-end sampling, two English content ratios when unprocessed reduce by 68% before being not added with this additive More than, decrease later stage intractability.
Embodiment 3
Two English inhibitor of optimization formula described in embodiment 1 are applied among incineration treatment of garbage.
Before the primary house refuse that moisture content is 60% enters gasification furnace, 5 tons of rubbish adds 0.3 ton of additive And with grab bucket by rubbish and additive turning repeatedly, reach and be sufficiently mixed, rubbish after gasification, the hydrogen of generation, an oxidation In the gasification fuel gas such as carbon, hydro carbons, chlorohydrocarbon, two English content ratios reduce by more than 80% before being not added with this additive.
Embodiment 4
Two English inhibitor of optimization formula described in embodiment 1 are applied among incineration treatment of garbage.
After sorting, moisture content be 45% combustiblerefuse enter pyrolysis oven before, 50 tons of rubbish adds 5 tons adds Plus agent rubbish being sufficiently mixed with additive using spiral equipment, rubbish after pyrolysis, the methane of generation, hydrogen and hydro carbons In the fuel gas of mixture, two English content ratios reduce by more than 83% before being not added with this additive.

Claims (5)

1. a kind of two English inhibitor being applied to incineration treatment of garbage it is characterised in that:The composition of described two English inhibitor Including:Carbide slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The ratio of weight and number of each composition is: Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, potassium permanganate 8 ~ 12nd, activator 3 ~ 10;The composition of described activator is magnesium oxide, hydrogen peroxide and iron powder, the weight portion of each composition in activator Counting ratio is:Magnesium oxide 1 ~ 3, hydrogen peroxide 3 ~ 5, iron powder 3 ~ 5.
2. according to claim 1 two English inhibitor it is characterised in that:The ratio of weight and number of described each composition is:Carbide Slag 20, carbamide 20, mud 20, desulfurated plaster 15, titanium dioxide 10, potassium permanganate 10, activator 5.
3. according to claim 1 two English inhibitor it is characterised in that:Described carbide slag is the material after washing, washing Carbide slag natural drying afterwards to moisture content is less than 10% ~ 15%, and grinding to granularity is that 80 mesh screen residues are less than 5%;Described mud Moisture content is 30%, pulverizes as graininess, and particle diameter is 3mm ~ 5mm;Described desulfurated plaster is powdery, and granularity is less than for 80 mesh screen residues 5%.
4. a kind of preparation method of the two English inhibitor being applied to incineration treatment of garbage it is characterised in that:Described two English suppressions The composition of preparation includes:Carbide slag, carbamide, mud, desulfurated plaster, titanium dioxide, potassium permanganate, activator;The weight of each composition Measuring portion rate is:Carbide slag 15 ~ 25, carbamide 15 ~ 25, mud 15 ~ 25, desulfurated plaster 10 ~ 20, titanium dioxide 8 ~ 12, height Potassium manganate 8 ~ 12, activator 3 ~ 10;The composition of described activator is magnesium oxide, hydrogen peroxide and iron powder, each composition in activator Ratio of weight and number be:Magnesium oxide 1 ~ 3, hydrogen peroxide 3 ~ 5, iron powder 3 ~ 5;Described preparation method comprises the following steps:1)Will Carbide slag washing, natural drying, after grinding, with after mummification, pulverize after mud mix, stir in mixing, stir using pinching Conjunction machine, stirrer paddle rotating speed is 10 ~ 15 revs/min, and mixing time is 3 ~ 10 minutes;
2)By step 1)Mixture after stirring is mixed with desulfurated plaster after pulverizing, stirs in mixing, and stirring adopts kneader, Stirrer paddle rotating speed is 10 ~ 15 revs/min, and mixing time is 3 ~ 10 minutes;
3) by step 2)Add carbamide and titanium dioxide in mixture after stirring, stir in mixing, stirring adopts kneader, Stirrer paddle rotating speed is 10 ~ 15 revs/min, and mixing time is 3 ~ 10 minutes;
4) by step 3)Mixture after stirring adds potassium permanganate and activator, stirs in mixing, and stirring adopts kneader, Stirrer paddle rotating speed is 10 ~ 15 turns of minutes, and mixing time is 3 ~ 10 minutes, obtains the described two English inhibitor of powder shaped.
5. two English inhibitor described in claim 1 ~ 3 any one using method it is characterised in that:Enter in house refuse Before incinerator, add the described two English inhibitor being 1~10% with its mass ratio, described two English inhibitor are powder body, by rubbish Rubbish is mixed after more than 10 minutes with described two English inhibitor stirrings, enters back into rubbish conveyer belt.
CN201610144937.5A 2016-03-15 2016-03-15 A kind of it is applied to two English inhibitor of incineration treatment of garbage and preparation method thereof Active CN105602648B (en)

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CN110479078A (en) * 2019-09-09 2019-11-22 广州派安环保科技有限公司 A kind of production of dioxin restraining agent and technique for applying
CN111692592B (en) * 2020-06-09 2022-04-19 浙江红狮环保股份有限公司 Method for cooperatively treating household garbage by cement kiln
CN114656123A (en) * 2022-03-15 2022-06-24 广东能源集团科学技术研究院有限公司 Sludge co-combustion method for realizing high efficiency, energy conservation and reduction of dioxin emission

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JPH11316005A (en) * 1998-05-06 1999-11-16 Nobuhide Maeda Agent for suppressing occurrence of dioxin and its usage
CN102776050B (en) * 2012-08-03 2014-06-18 北京建筑材料科学研究总院有限公司 Chlorine fixing agent suitable for waste derived fuel, and preparation method and application thereof
CN103194295B (en) * 2013-04-25 2014-04-30 甘肃黑马石化工程有限公司 Boiler coal combustion-improving denitrifying agent composition and preparation method thereof
CN103194292B (en) * 2013-04-25 2014-04-16 兰州熙瑞化工科技有限公司 Boiler coal combustion-improving desulfurizing and denitrifying agent composition and preparation method thereof
CN105087100B (en) * 2015-08-05 2017-12-26 亿利资源集团有限公司 Industrial Solid Waste is solid can environment-friendly fuel

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