CN104762119A - Renewable combustible sludge mixture and preparation method thereof - Google Patents
Renewable combustible sludge mixture and preparation method thereof Download PDFInfo
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- CN104762119A CN104762119A CN201510062085.0A CN201510062085A CN104762119A CN 104762119 A CN104762119 A CN 104762119A CN 201510062085 A CN201510062085 A CN 201510062085A CN 104762119 A CN104762119 A CN 104762119A
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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 invention discloses a renewable combustible sludge mixture and a preparation method thereof, the sludge mixture is sludge with the water content of 20%-30% which is prepared by processing sewage treatment plant sludge, industrial wastewater sludge (not including the sludge containing radioactive substances), marsh sludge and lake silt, the sludge mixture comprises 70-80 parts of renewable combustible sludge, 20-30 parts of limestone, 3-5 parts of sodium carbonate, 1-5 parts of a strong oxidant catalyst, 1-5 parts of sodium chloride and 1-5 parts of a detergent. The renewable combustible sludge is added into raw coal to be used as a renewable fuel for mixed combustion, the combustion temperature can be effectively improved, raw coal ignition point can be reduced, and the raw coal burn is more fully, so that the calorific value of a coal-fired boiler can be achieved.
Description
Technical field
The present invention relates to renewable burning mud mixture and the application as regenerated fuel thereof, belong to domestic rubbish disposal and fuel area.
Background technology
The mud of sewage work, industrial wastewater sludge (except part noxious industry wastewater sludge), the mud of marsh, rural area and lake dredging up, organism containing 50%-70% and the inorganics of 25%-50%, organic compound residue is multiple hydrocarbon polymer, thermal value is between 1800-3500 kilocalorie, for mud, existing renewable burning sludge treatment technique mainly comprises following several route:
Mud air storage, not only need to occupy a large amount of valuable soil, and can produce the obnoxious flavour releases such as a large amount of ammonia, sulfide, the severe contamination living environment of air and city; And long-time heap releases meeting cooperating microorganisms, organic pollutant etc., to the severe contamination of surface water and groundwater.Simultaneously these pathogenic microorganisms and the mosquito grown, fly, cockroach, mouse etc. to endanger vast civic healthy.
Landfill disposal, be by buried for mud in underground, this processing mode is one of modal processing mode, and its floor space is large, holding time is long, and can form severe contamination to the soil and groundwater of locality after degree of depth landfill.
Start in recent years to attempt the processing mode of sludge composting, but this method organism heap rotten time is long, usually at least needs the time of one month, living environment around severe contamination, and long-term compost domestic refuse, can cause soil erosion sedimentation, spoiled soil.
Comprehensively above-mentioned we can see, the sludge disposal technology of current China is still unsatisfactory, cannot realize the comprehensive utilization of refuse treatment and innoxious.
Summary of the invention
For the defect of prior art; the invention discloses a kind of renewable burning mud and the application in regenerated fuel thereof; not only can effectively utilize a large amount of mud; accelerate the regeneration of domestic refuse, and improve the combustibility of raw coal, save energy reduces consumption; reduce soot emission; remarkable desulfurization, enabling environment is protected, and can be widely used in the fields such as various coal firing boiler, Industrial Stoves and coal briquette for civillan use.
For achieving the above object, the present invention is achieved through the following technical solutions:
The object of the present invention is to provide a kind of preparation method of renewable burning mud mixture, this renewable burning mud mixture is with weight parts, comprise 70 parts-80 parts, renewable burning mud, 20 parts-30 parts, Wingdale, 3 parts-5 parts, sodium carbonate, Strong oxdiative catalyzer 1 part-5 parts, 1 part-5 parts, sodium-chlor, scale remover 1 part-5 parts; Described preparation method comprises:
Step one, gets 70 parts-80 parts, renewable burning mud, and the weight percent concentration of spraying for deodorizing, sterilizing is the biomass vinegar liquid of 1-3%, places 2-3 hour, obtains the mud after processing;
Step 2, gets 3 parts-5 parts, sodium carbonate, Strong oxdiative catalyzer 1 part-5 parts, 1 part-5 parts, sodium-chlor, scale remover 1 part-5 parts, pulverizes, and sprays 20 parts-30 parts, Wingdale, places 1-2 hour;
Step 3, gained mixture is through the high-temperature sterilization of 100-300 DEG C, and making mixture be dried to water ratio is 15%-45%;
Step 4, gained mixture, screening, the impurity of removing metallic impurity and particle diameter >=6mm; The machine-shaping of gained mixture, obtains product.
Further, this renewable burning mud mixture is preferably with weight parts: 70 parts-80 parts, renewable burning mud, 20 parts-15 parts, Wingdale, 1 part-2 parts, sodium carbonate, Strong oxdiative catalyzer 3 parts-4 parts, ignition dope 3 parts-4 parts, scale remover 1 part-2 parts.
Further, Strong oxdiative catalyzer is one or more in Potcrate, potassium perchlorate, potassium permanganate.
Further, ignition dope is sodium-chlor or Repone K.
Further, the pyrolysis treatment device of renewable burning mud comprises mud room, combustion chamber, product-collecting room from top to bottom successively; Described mud room is provided with opening for feed, be provided with the pertusate back up pad of tool, and mud room and combustion chamber is interconnected between mud room and combustion chamber through hole; Combustion chamber is connected with combustion engine, is provided with pyrolysis chamber in combustion chamber; Pyrolysis chamber is more than two or two tubular type pyrolysis chambeies; Each tubular type pyrolysis chamber is vertically set up in parallel, and its upper port is corresponding with the hole of described back up pad connects, and its lower port is communicated to product-collecting room; Blow-off valve is provided with between combustion chamber and product-collecting room.
Further, the dixie cup method of sodium-chlor comprises:
Step one, comprises the salt solution of at least 150g/l sodium-chlor by the preparation that sodium chloride source is dissolved in the water; The salt solution of preparation has the NaCl concentration of at least 300g/l;
Step 2, the temperature of the eutectic temperature by indirectly cooling in self-cleaning fluid-bed heat exchanger/crystallizer by gained brine refrigeration extremely lower than 0 DEG C but higher than gained salt solution, thus form the slurry and the mother liquor that comprise sodium-chlor dihydrate;
Step 4, is separated in the sodium-chlor dihydrate formed in step 2, makes to be formed the stream being rich in sodium-chlor dihydrate under eutectic temperature from ice and optional mother liquor;
Step 5, makes mother liquid obtainedly at least part of step 2 and/or step 3 to be recycled to step one.
Another object of the present invention is to provide a kind of renewable burning mud mixture, this renewable burning mud application in regenerated fuel.
Further, renewable burning mud is mixed with raw coal according to the 10-30% of raw coal quality.
Further, first Strong oxdiative catalyzer 10 times of water are mixed humectant, again ignition dope 10-15 times of water is diluted, with other raw material mixing and stirring of incendivity domestic garbage mixing thing after dissolving, then be incorporated in raw coal by the 10-30% sprinkling of raw coal amount and mix.
Embodiment
First the present invention discloses a kind of renewable burning mud mixture, this renewable burning mud mixture has combustibility and significant combustion-supporting ability, with weight parts, it includes domestic refuse 70-80, Wingdale 20-30, sodium carbonate 1-5, Strong oxdiative catalyzer 1-5, ignition dope 1-5, scale remover 1-5.
In the present invention, refer to the mud of sewage work, industrial wastewater sludge (except part noxious industry wastewater sludge), the mud composition of marsh, rural area and lake dredging up is main.
In the present invention, the calorific value that mud has is lower, with during the mixed firing such as raw coal under the effect of ignition dope and catalyzer, improve temperature of combustion, reduce the point of ignition of coal, make raw coal combustion more abundant, thus reach the calorific value required for coal firing boiler.
Wherein, ignition dope not only has combustion-supporting effect, and chemical reaction can be made to keep stable, avoid fire coal intensity of a fire in burner hearth dynamic, fluctuated, preferably, the present invention's ignition dope used is sodium-chlor and/or Repone K, and this raw material easily buys and purchase cost is low.
Wherein, Strong oxdiative catalyzer can not only play cartalytic decomposition effect to the combustiblematerials in fire coal, and can progressively release strong oxygen and aiding combustion along with temperature raises, when temperature progressively raises, discharge stronger oxygen respectively, coal temperature is significantly improved, reduce the point of ignition of raw coal, make the combustiblematerials Thorough combustion in fire coal, improve boiler thermal output.The present invention's catalyzer used be selected from Potcrate, potassium perchlorate, potassium permanganate one or more, the preferably mixture of three kinds.
Specifically, potassium permanganate starts to decompose and releases oxygen 200 degree time, and the Manganse Dioxide generated after potassium permanganate decomposes has katalysis; Potcrate progressively decomposes and releases oxygen 300 degree time, and potassium perchlorate comparatively Potcrate is stablized, and decomposes at 400 degree and releases oxygen.These strong oxidizers used in combination, makes coal-firedly to start to about 700 degree entering fire box temperature 200 degree, is among strong cartalytic decomposition effect, combustiblematerials Thorough combustion in fire coal, the intensity of a fire is violent, and flame is high, grate is long, reaches raising boiler thermal output, the object of burning aid coal saving.
Wherein, the effect of Wingdale and sodium carbonate mainly prevents product from luming, make coal-fired in hearth combustion process surfactivity increase, inflammable, and play certain solid sulphur, fall dirty effect.
Wherein, scale remover to be mainly heated outer field flue dust incrustation and coke-like thing to remove boiler, and make it to decompose afterfire and eliminate, thus improve heat-collecting system and the work-ing life of boiler, the existing scale remover used in field of boilers all can be used for the present invention.
Applicant have extensively studied each composition of different amounts to the impact of mud combustibility, find that performance is more excellent under following ratio: domestic refuse 70-80, Wingdale 10-15, sodium carbonate 1-2, Strong oxdiative catalyzer 3-4, ignition dope 3-4, scale remover 1-2.
On this basis, the invention discloses the application of above-mentioned cocoa regenerative combustion mud mixture in regenerated fuel mixture.
Specifically, be that renewable burning mud mixture is mixed with raw coal according to the 10-30% of raw coal quality.
By joining in raw coal by said mixture, the stove quarrel carbon content of mixing in burning process reduces, especially when stove is imitated identical, raw coal consumption greatly reduces, there is obvious energy-saving effect, and significantly reduce smoke evacuation sulphur content, reduce former desulfurization pressure and desulphurization cost.
Consider the content of Strong oxdiative catalyzer and the physico-chemical property of ignition dope, in order to strengthen security and easy to use, first Strong oxdiative catalyzer 10-20 times of water is mixed humectant, again ignition dope 10-20 times of water is diluted, after dissolving and other raw material mixing and stirring of incendivity domestic garbage mixing thing, more evenly spray to be incorporated in raw coal by the 10-30% of raw coal amount and mix.
By above-mentioned process, coal-fired water content reaches about 10%.
Embodiment 1
Adopt following portions by weight: domestic refuse 80, Wingdale 10, sodium carbonate 1, ignition dope 3, Strong oxdiative catalyzer 3, scale remover 1, wherein, ignition dope is sodium-chlor, and Strong oxdiative catalyzer such as is at the potassium permanganate of quality, potassium perchlorate mixes mutually, and scale remover is TH-503B.
Join in raw coal according to the amount of raw coal quality 25%, wherein raw coal quality is 100kg.
Embodiment 2
Adopt following portions by weight: domestic refuse 70, Wingdale 15, sodium carbonate 2, ignition dope 4, Strong oxdiative catalyzer 4, scale remover 2, wherein, ignition dope is sodium-chlor, and Strong oxdiative catalyzer is Potcrate 2, potassium permanganate 1, the mixing of potassium perchlorate 1 phase, and scale remover is KJR-102.
Join in raw coal according to the amount of raw coal quality 20%, wherein raw coal quality is 100kg.
Embodiment 3
Adopt following portions by weight: domestic refuse 75, Wingdale 20, sodium carbonate 4, ignition dope 4, Strong oxdiative catalyzer 4, scale remover 3, wherein, ignition dope is sodium-chlor, and Strong oxdiative catalyzer is potassium permanganate, and scale remover is KJR-102.
Join in raw coal according to the amount of raw coal quality 30%, wherein raw coal quality is 100kg.
The preparation method of ignition dope sodium-chlor comprises:
Step one, comprises the salt solution of at least 150g/l sodium-chlor by the preparation that sodium chloride source is dissolved in the water;
Step 2, the temperature of the eutectic temperature by indirectly cooling in self-cleaning fluid-bed heat exchanger/crystallizer by gained brine refrigeration extremely lower than 0 DEG C but higher than gained salt solution, thus form the slurry and the mother liquor that comprise sodium-chlor dihydrate;
Step 4, is separated in the sodium-chlor dihydrate formed in step 2, makes to be formed the stream being rich in sodium-chlor dihydrate under eutectic temperature from ice and optional mother liquor;
Step 5, makes mother liquid obtainedly at least part of step 2 and/or step 3 to be recycled to step one.
In step one, the salt solution of preparation has the NaCl concentration of at least 300g/l;
Above-described embodiment, when mixture joins in raw coal, first mixes humectant by Strong oxdiative catalyzer, then is diluted by ignition dope 10-20 times of water, after dissolving and other raw material mixing and stirring of incendivity domestic garbage mixing thing, then is incorporated in raw coal and mixes.
Applicant has carefully studied the relative combustion performance of above-mentioned regenerated fuel, compare with the raw coal of homogenous quantities, find when stove is imitated identical, raw coal consumption greatly reduces, temperature of combustion improves 100-200 degree, reduce the point of ignition 100-200 degree of coal, there is obvious energy-saving effect, reduce smoke evacuation sulphur content 50%-60%, greatly reduce former desulfurization pressure, reduce desulphurization cost 20% one 50%, in addition, lingemann blackness rank concentration reduces one-level, overall accounting finds that boiler thermal output improves 10-20% on former basis, with the fractional energy savings 25-40% that raw coal consumption is weighed.
Simultaneously, applicant also compares the situation that mixture of the present invention does not use mud in R&D process, find when not using mud, mix with raw coal according to identical usage ratio, although raw coal consumption can be saved, but cannot reduce the point of ignition of coal, the raw coal amount needed for target calorific value of reaching is also higher than the present invention about 10%.
Claims (9)
1. the preparation method of a renewable burning mud mixture, it is characterized in that, this renewable burning mud mixture is with weight parts, comprise 70 parts-80 parts, renewable burning mud, 20 parts-30 parts, Wingdale, 3 parts-5 parts, sodium carbonate, Strong oxdiative catalyzer 1 part-5 parts, 1 part-5 parts, sodium-chlor, scale remover 1 part-5 parts; Described preparation method comprises:
Step one, gets 70 parts-80 parts, renewable burning mud, and the weight percent concentration of spraying for deodorizing, sterilizing is the biomass vinegar liquid of 1-3%, places 2-3 hour, obtains the mud after processing;
Step 2, gets 3 parts-5 parts, sodium carbonate, Strong oxdiative catalyzer 1 part-5 parts, 1 part-5 parts, sodium-chlor, scale remover 1 part-5 parts, pulverizes, and sprays 20 parts-30 parts, Wingdale, places 1-2 hour;
Step 3, gained mixture is through the high-temperature sterilization of 100-300 DEG C, and making mixture be dried to water ratio is 15%-45%;
Step 4, gained mixture, screening, the impurity of removing metallic impurity and particle diameter >=6mm; The machine-shaping of gained mixture, obtains product.
2. the preparation method of renewable burning mud mixture according to claim 1, it is characterized in that, this renewable burning mud mixture is preferably with weight parts: 70 parts-80 parts, renewable burning mud, 20 parts-15 parts, Wingdale, 1 part-2 parts, sodium carbonate, Strong oxdiative catalyzer 3 parts-4 parts, ignition dope 3 parts-4 parts, scale remover 1 part-2 parts.
3. the preparation method of renewable burning mud mixture according to claim 1, is characterized in that, Strong oxdiative catalyzer is one or more in Potcrate, potassium perchlorate, potassium permanganate.
4. the preparation method of renewable burning mud mixture according to claim 1, is characterized in that, ignition dope adopts Repone K.
5. renewable burning mud mixture according to claim 1, is characterized in that, the pyrolysis treatment device of renewable burning mud comprises mud room, combustion chamber, product-collecting room from top to bottom successively; Described mud room is provided with opening for feed, be provided with the pertusate back up pad of tool, and mud room and combustion chamber is interconnected between mud room and combustion chamber through hole; Combustion chamber is connected with combustion engine, is provided with pyrolysis chamber in combustion chamber; Pyrolysis chamber is more than two or two tubular type pyrolysis chambeies; Each tubular type pyrolysis chamber is vertically set up in parallel, and its upper port is corresponding with the hole of described back up pad connects, and its lower port is communicated to product-collecting room; Blow-off valve is provided with between combustion chamber and product-collecting room.
6. renewable burning mud mixture according to claim 1, is characterized in that, the dixie cup method of sodium-chlor comprises:
Step one, comprises the salt solution of at least 150g/l sodium-chlor by the preparation that sodium chloride source is dissolved in the water; The salt solution of preparation has the NaCl concentration of at least 300g/l;
Step 2, the temperature of the eutectic temperature by indirectly cooling in self-cleaning fluid-bed heat exchanger/crystallizer by gained brine refrigeration extremely lower than 0 DEG C but higher than gained salt solution, thus form the slurry and the mother liquor that comprise sodium-chlor dihydrate;
Step 4, is separated in the sodium-chlor dihydrate formed in step 2, makes to be formed the stream being rich in sodium-chlor dihydrate under eutectic temperature from ice and optional mother liquor;
Step 5, makes mother liquid obtainedly at least part of step 2 and/or step 3 to be recycled to step one.
7. a renewable burning mud mixture as claimed in claim 1, is characterized in that, this renewable burning mud application in regenerated fuel.
8. renewable burning mud mixture according to claim 7, is characterized in that, it is characterized in that, is mixed by renewable burning mud according to the 10-30% of raw coal quality with raw coal.
9. renewable burning mud mixture according to claim 8, it is characterized in that, it is characterized in that, first Strong oxdiative catalyzer 10 times of water are mixed humectant, again ignition dope 10-15 times of water is diluted, with other raw material mixing and stirring of incendivity domestic garbage mixing thing after dissolving, then be incorporated in raw coal by the 10-30% sprinkling of raw coal amount and mix.
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| CN201510062085.0A CN104762119A (en) | 2015-02-06 | 2015-02-06 | Renewable combustible sludge mixture and preparation method thereof |
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| CN201510062085.0A CN104762119A (en) | 2015-02-06 | 2015-02-06 | Renewable combustible sludge mixture and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114478050A (en) * | 2021-12-23 | 2022-05-13 | 王梓远 | Sludge ceramsite and preparation method thereof |
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| CN102203012A (en) * | 2008-11-03 | 2011-09-28 | 阿克佐诺贝尔股份有限公司 | Sodium chloride production process |
| CN102344234A (en) * | 2011-07-07 | 2012-02-08 | 广州大学 | Printing and dyeing sludge pyrolysis treatment device and sludge treatment method |
| CN102358861A (en) * | 2011-09-21 | 2012-02-22 | 王东 | Preparation method of biomass sludge regenerated fuel charcoal |
| CN104059711A (en) * | 2014-06-12 | 2014-09-24 | 黄中军 | Combustible domestic garbage mixture and application thereof |
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- 2015-02-06 CN CN201510062085.0A patent/CN104762119A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102203012A (en) * | 2008-11-03 | 2011-09-28 | 阿克佐诺贝尔股份有限公司 | Sodium chloride production process |
| CN102344234A (en) * | 2011-07-07 | 2012-02-08 | 广州大学 | Printing and dyeing sludge pyrolysis treatment device and sludge treatment method |
| CN102358861A (en) * | 2011-09-21 | 2012-02-22 | 王东 | Preparation method of biomass sludge regenerated fuel charcoal |
| CN104059711A (en) * | 2014-06-12 | 2014-09-24 | 黄中军 | Combustible domestic garbage mixture and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114478050A (en) * | 2021-12-23 | 2022-05-13 | 王梓远 | Sludge ceramsite and preparation method thereof |
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Application publication date: 20150708 |