CN115197761A - Multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion - Google Patents
Multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion Download PDFInfo
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- CN115197761A CN115197761A CN202210742666.9A CN202210742666A CN115197761A CN 115197761 A CN115197761 A CN 115197761A CN 202210742666 A CN202210742666 A CN 202210742666A CN 115197761 A CN115197761 A CN 115197761A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/06—Methods of shaping, e.g. pelletizing or briquetting
- C10L5/10—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders
- C10L5/12—Methods of shaping, e.g. pelletizing or briquetting with the aid of binders, e.g. pretreated binders with inorganic binders
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/18—Use of additives to fuels or fires for particular purposes use of detergents or dispersants for purposes not provided for in groups C10L10/02 - C10L10/16
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/04—Catalyst added to fuel stream to improve a reaction
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
- C10L2230/088—Inhibitors for inhibiting or avoiding odor
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS 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
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/22—Function and purpose of a components of a fuel or the composition as a whole for improving fuel economy or fuel efficiency
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Abstract
The invention discloses a multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion, which is prepared from 0.2 percent of deodorant, 0.1 percent of catalytic combustion improver, 90 percent of cold-hot consolidation drying-free binder and 9.7 percent of sulfur-fixing smoke-eliminating denitrifier in percentage by weight; the preparation method comprises the following steps: spraying a deodorant into the sludge until the odor of the sludge disappears; adding a catalytic combustion improver which is 0.1 percent of the weight of the sludge into the deodorized sludge, uniformly stirring, adding a cold and hot consolidation drying-free binder which is 90 percent of the weight of the sludge, uniformly stirring, adding a sulfur-fixing smoke-eliminating denitrifier which is 9.3 percent of the weight of the sludge, uniformly stirring, and finally preparing the sludge granulation heat-increasing combustion multifunctional drying-free powder binder; when in use, 4-30wt% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and after uniform stirring, a sludge granulation product of 1000-5000 kcal/kg can be formed, and the drying-free function is realized.
Description
Technical Field
The invention belongs to the technical field of comprehensive application of synthesis technologies and additive effects of environmental protection, chemical engineering, thermal engineering, physics and the like, and particularly relates to a multifunctional drying-free powder binder for granulation and heat-increasing combustion of sludge.
Background
The national urban garbage yield is harmful to the environment, and garbage incineration is adopted for power generation, so that the problems of volume reduction, quantity reduction and harmlessness of garbage are solved, and the method has a relatively important significance; however, according to the physical and chemical properties of municipal refuse, the calorific value is only about 800 kcal/kg, and in order to make the sludge cohere and form and achieve the purpose of combustibility, the technology of catalytic combustion-supporting and heat-increasing of the sludge with deodorization technology must be researched and developed.
Disclosure of Invention
The invention aims to provide a multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion, which solves the problems of volume reduction, decrement and harmlessness of garbage and has important significance.
The invention aims to realize that the multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion is prepared from 0.2 percent of deodorant, 0.1 percent of catalytic combustion improver, 90 percent of cold-hot consolidation drying-free binder and 9.7 percent of sulfur-fixing smoke-eliminating denitrifying agent in percentage by weight;
1) The deodorant
The bamboo vinegar comprises, by weight, 95% of bamboo vinegar, 3% of organic acid, 1% of bactericidal agent biquaternary ammonium salt or polyquaternary ammonium salt and 1% of copper sulfate; the manufacturing process comprises the following steps: uniformly mixing bamboo vinegar, organic acid, disinfectant biquaternary ammonium salt or polyquaternary ammonium salt and copper sulfate at normal temperature and normal pressure to prepare the deodorant;
2) The catalytic combustion improver
The weight percentage is as follows: the composite material consists of 40 percent of combustion improver, 40 percent of strong oxidizer and 20 percent of plant asphalt carbon; the manufacturing process comprises the following steps: uniformly mixing 40% of combustion improver, 40% of strong oxidizer and 20% of plant pitch carbon at normal temperature and normal pressure to prepare sludge catalysis combustion improver; the plant leached carbon is leftovers left after heating and distilling fir at 300 ℃ to obtain an extracting solution, and the leftovers are the plant leached carbon;
3) The cold and hot consolidation drying-free binder
The weight percentage is as follows: consists of 40 percent of active magnesium oxide, 40 percent of active calcium oxide, 10 percent of active aluminum oxide and 10 percent of nano bentonite; the manufacturing process comprises the following steps: uniformly mixing 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite at normal temperature and normal pressure to prepare a cold-hot state consolidation drying-free binder;
4) The sulfur-fixing smoke-eliminating denitrifying agent
The material consists of 40 percent of potassium carbonate, 40 percent of sodium carbonate, 5 percent of ferrous sulfate, 5 percent of potassium permanganate and 10 percent of lime according to weight percentage; the manufacturing process comprises the following steps: evenly mixing 40% of potassium carbonate, 40% of sodium carbonate, 5% of ferrous sulfate, 5% of potassium permanganate and 10% of lime at normal temperature and normal pressure to prepare the sulfur-fixing smoke-eliminating denitrifying agent;
the preparation method of the multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion comprises the following steps:
diluting the deodorant prepared in the step 1) by 100 times to form deodorant liquid, spraying the deodorant liquid into sludge, and spraying the deodorant liquid into the sludge for 2-6 minutes at normal temperature and normal pressure until the odor of the sludge disappears; then adding a catalytic combustion improver which is 0.1 percent of the weight of the sludge into the deodorized sludge at normal temperature and normal pressure, uniformly stirring, adding a cold-hot state consolidation drying-free binder which is 90 percent of the weight of the sludge, uniformly stirring, adding a sulfur-fixing smoke-eliminating denitrifier which is 9.3 percent of the weight of the sludge, uniformly stirring, and finally preparing the sludge granulation heat-increasing combustion multifunctional drying-free powder binder; when in use, 4-30wt% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and after uniform stirring, a sludge granulation product with 1000-5000 kcal/kg can be formed.
At least one of the organic acids is selected from tartaric acid, oxalic acid, malic acid, citric acid, ascorbic acid, benzoic acid, salicylic acid, and caffeic acid; the quaternary ammonium salt is selected from polyquaternary ammonium salt flocculating bactericide.
The combustion improver is selected from potassium chlorate or potassium nitrate; the strong oxidant is at least one selected from trivalent cobalt salt, persulfate, peroxide, potassium dichromate, potassium permanganate, chlorate or fuming sulfuric acid.
The invention relates to a multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion, which is characterized in that: spraying deodorant liquid formed by diluting by 100 times into the sludge, preferably spraying amount of 0.2% of the sludge weight, and spraying for 2-6 min at normal temperature and normal pressure until the odor of the sludge disappears.
1. Composition and characteristics of multifunctional drying-free binder
According to the physical and chemical properties of municipal refuse, the calorific value is only about 800 kcal/kg, and in order to make the sludge cohere and form and achieve the purpose of combustibility, the technology of sludge catalysis combustion-supporting and heat increasing with deodorization technology, sulfur fixation, denitrification, smoke abatement technology, drying-free technology, multifunctional drying-free binder with certain cold and hot strength technology as a whole must be researched and developed.
2. The non-drying powder binder consists of 0.2 percent of deodorant, 0.1 percent of catalytic combustion improver, 90 percent of cold-hot state consolidation non-drying binder, 9.7 percent of sulfur-fixing smoke-eliminating and denitrifying agent and 4 additives in percentage by weight.
1) Deodorant agent
Comprises (by weight) bamboo vinegar 95%, organic acid 3%, disinfectant biquaternary ammonium salt or polyquaternary ammonium salt 1%, and copper sulfate 1%; the manufacturing process comprises the following steps: uniformly mixing bamboo vinegar, organic acid, disinfectant biquaternary ammonium salt or polyquaternary ammonium salt and copper sulfate at normal temperature and normal pressure to prepare the deodorant; specific organic acid species: such as tartaric acid, oxalic acid, malic acid, citric acid, ascorbic acid (i.e., vitamin C), and the like, and aromatic organic acids such as benzoic acid, salicylic acid, caffeic acid (Caffelc acid), and the like. The specific quaternary ammonium salt is selected from polyquaternary ammonium salt flocculating bactericide which belongs to a strong cationic high molecular polymer, has good solubility in water and belongs to a non-oxidative bactericide flocculating agent. The bactericidal composition is widely applied to circulating cooling water systems in the industries of petroleum, chemical engineering, electric power and the like, is used for controlling the breeding of bacteria and algae in the circulating cooling water systems, and has a special effect on killing escherichia coli. The polyquaternium bactericide flocculant can be used as a sterilization mildew inhibitor, a softening agent, an antistatic agent, an emulsifier, a conditioner and the like in the textile printing and dyeing industry, and can also be used as a surfactant and the like in the washing and chemical industry;
the technology relates to plant type deodorization for sludge, which is used for removing foul smell such as hydrogen sulfide, ammonia and the like in the sludge and quickly killing various bacteria and germs.
2) Sludge catalysis combustion improver
The components by weight percentage are as follows: 40% of combustion improver, 40% of strong oxidizer and 20% of plant pitch carbon; the manufacturing process comprises the following steps: uniformly mixing 40% of combustion improver, 40% of strong oxidant and 20% of plant pitch carbon at normal temperature and normal pressure to prepare sludge catalysis combustion improver; the combustion improver can be potassium chlorate or potassium nitrate; the mixed strong oxidant may be selected from: trivalent cobalt salt, persulfate, peroxide, potassium dichromate, potassium permanganate, chlorate, fuming sulfuric acid and the like, wherein the plant leaching carbon is leftovers left after heating and distilling cedar at 300 ℃ to obtain an extracting solution, and the leftovers are the plant leaching carbon;
3) Cold-hot state consolidation drying-free binder
The components by weight percentage are as follows: the cold-hot state consolidation drying-free binder consists of 40 percent of active magnesium oxide, 40 percent of active calcium oxide, 10 percent of active aluminum oxide and 10 percent of nano bentonite; the manufacturing process comprises the following steps: uniformly mixing 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite at normal temperature and normal pressure to prepare a cold-hot consolidation drying-free binder;
4) Sulfur-fixing smoke-eliminating denitrifying agent
The sulfur-fixing smoke-eliminating denitrifying agent consists of potassium carbonate 40 wt%, sodium carbonate 40 wt%, ferrous sulfate 5 wt%, potassium permanganate 5 wt% and lime 10 wt%; the manufacturing process comprises the following steps: 40 percent of potassium carbonate, 40 percent of sodium carbonate, 5 percent of ferrous sulfate, 5 percent of potassium permanganate and 10 percent of lime are evenly mixed at normal temperature and normal pressure to prepare the sulfur-fixing smoke-eliminating denitrifier.
3. The invention relates to a preparation method of a multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion, which comprises the following steps:
diluting the deodorant prepared in the step 1) by 100 times to form deodorant liquid, spraying the deodorant liquid into sludge, and spraying the deodorant liquid for 2-6 minutes at normal temperature and normal pressure until the odor of the sludge disappears, wherein the general spraying amount is 0.2% of the weight of the sludge, so that the deodorant liquid is used for removing the odor of hydrogen sulfide, ammonia and the like in the sludge and quickly killing various bacteria and germs; then adding a sludge catalysis combustion improver which is 0.1 percent of the weight of the sludge into the deodorized sludge at normal temperature and normal pressure, uniformly stirring, adding a cold-hot state consolidation drying-free binder which is 90 percent of the weight of the sludge, uniformly stirring, adding a sulfur-fixing smoke-eliminating denitrifier which is 9.3 percent of the weight of the sludge, uniformly stirring, and finally forming the sludge granulation heat-increasing combustion multifunctional drying-free powder binder; when in use, 4-30% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and after being uniformly stirred, a sludge granulation product of 1000-5000 kilocalories/kilogram can be formed, and the sludge granulation product can be used for waste incineration power generation, can solve the problems of volume reduction, decrement and harmlessness of waste, and has important significance.
4. The multifunctional drying-free binder has the following advantages:
1. the adhesive is non-toxic and environment-friendly;
2. the additive is determined according to the requirement and the calorific value, and at least 4 percent (4 percent of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added per ton of municipal refuse); 4-30% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and after uniform stirring, a sludge granulation product of 1000-5000 kcal/kg can be formed;
3. the method has the characteristics of improving the heat value of the sludge, having good combustion condition, no coking and the like;
4. has the functions of sulfur fixation, nitrogen removal and the like;
5. has deodorizing function.
6. The baking-free quick-drying agent has a baking-free function, and has a quick-drying effect because the baking-free quick-drying agent adopts 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite.
Detailed Description
The sludge used in the embodiment of the invention is taken from a comprehensive treatment center of waste of the temple in Fuzhou city.
The invention relates to a multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion
1. The composite material consists of 0.2 percent of deodorant, 0.1 percent of catalytic combustion improver, 90 percent of cold-hot consolidation drying-free binder and 9.7 percent of sulfur-fixing smoke-eliminating denitrifier in percentage by weight;
1) Deodorant agent
Comprises (by weight) bamboo vinegar 95%, organic acid 3%, disinfectant biquaternary ammonium salt or polyquaternary ammonium salt 1%, and copper sulfate 1%; the manufacturing process comprises the following steps: uniformly mixing bamboo vinegar, organic acid, disinfectant biquaternary ammonium salt or polyquaternary ammonium salt and copper sulfate at normal temperature and normal pressure to prepare the deodorant; specific organic acid species: such as tartaric acid, oxalic acid, malic acid, citric acid, ascorbic acid (i.e., vitamin C), and the like, and aromatic organic acids such as benzoic acid, salicylic acid, caffeic acid (Caffelc acid), and the like. The specific quaternary ammonium salt is selected from polyquaternary ammonium salt flocculating bactericide which belongs to strong cationic high molecular polymer, has good solubility in water and belongs to non-oxidizing bactericide flocculating agent. The bactericidal composition is widely applied to circulating cooling water systems in the industries of petroleum, chemical engineering, electric power and the like, is used for controlling the breeding of bacteria and algae in the circulating cooling water systems, and has special effect on killing escherichia coli. The polyquaternium bactericide flocculant can be used as a sterilization mildew inhibitor, a softening agent, an antistatic agent, an emulsifier, a conditioner and the like in the textile printing and dyeing industry, and can also be used as a surfactant and the like in the washing and chemical industry;
the technology relates to plant type deodorization aiming at sludge, which is used for removing foul smell such as hydrogen sulfide, ammonia and the like in the sludge and quickly killing various bacteria and germs.
2) Sludge catalysis combustion improver
The components by weight percentage are as follows: 40% of combustion improver, 40% of strong oxidizer and 20% of plant pitch carbon; the manufacturing process comprises the following steps: uniformly mixing 40% of combustion improver, 40% of strong oxidant and 20% of plant pitch carbon at normal temperature and normal pressure to prepare sludge catalysis combustion improver; the combustion improver can be potassium chlorate or potassium nitrate; the mixed strong oxidant may be selected from: trivalent cobalt salt, persulfate, peroxide, potassium dichromate, potassium permanganate, chlorate, fuming sulfuric acid and the like, wherein the plant leaching carbon is leftover left after the fir is heated and distilled at 300 ℃ to obtain an extracting solution, and the leftover is the plant leaching carbon;
3) Cold-hot state consolidation drying-free binder
The components by weight percentage are as follows: the cold-hot state consolidation drying-free binder consists of 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite; the manufacturing process comprises the following steps: uniformly mixing 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite at normal temperature and normal pressure to prepare a cold-hot state consolidation drying-free binder;
4) Sulfur-fixing smoke-eliminating denitrifying agent
The sulfur-fixing smoke-eliminating denitrifying agent consists of potassium carbonate 40 wt%, sodium carbonate 40 wt%, ferrous sulfate 5 wt%, potassium permanganate 5 wt% and lime 10 wt%; the manufacturing process comprises the following steps: 40 percent of potassium carbonate, 40 percent of sodium carbonate, 5 percent of ferrous sulfate, 5 percent of potassium permanganate and 10 percent of lime are evenly mixed at normal temperature and normal pressure to prepare the sulfur-fixing smoke-eliminating denitrifier.
2. The invention relates to a preparation method of a sludge granulation heat-increasing combustion multifunctional drying-free powder binder, which comprises the following steps:
diluting the deodorant prepared in the step 1) by 100 times to form deodorant liquid, spraying the deodorant liquid into sludge, and spraying the deodorant liquid for 2-6 minutes at normal temperature and normal pressure until the odor of the sludge disappears, wherein the general spraying amount is 0.2% of the weight of the sludge, so that the deodorant liquid is used for removing the odor of hydrogen sulfide, ammonia and the like in the sludge and quickly killing various bacteria and germs; then adding a sludge catalysis combustion improver which is 0.1 percent of the weight of the sludge into the deodorized sludge at normal temperature and normal pressure, uniformly stirring, adding a cold-hot state consolidation drying-free binder which is 90 percent of the weight of the sludge, uniformly stirring, adding a sulfur-fixing smoke-eliminating denitrifier which is 9.3 percent of the weight of the sludge, uniformly stirring, and finally forming the sludge granulation heat-increasing combustion multifunctional drying-free powder binder; when in use, 4-30% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and after being uniformly stirred, a sludge granulation product with 1000-5000 kcal/kg can be formed.
Claims (4)
1. A multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion is prepared from 0.2% of deodorant, 0.1% of catalytic combustion improver, 90% of cold-hot solidified drying-free binder and 9.7% of sulfur-fixing smoke-eliminating denitrifier by weight percentage;
1) The deodorant
The bamboo vinegar comprises, by weight, 95% of bamboo vinegar, 3% of organic acid, 1% of bactericidal agent biquaternary ammonium salt or polyquaternary ammonium salt and 1% of copper sulfate; the manufacturing process comprises the following steps: uniformly mixing bamboo vinegar, organic acid, sterilizing agent biquaternary ammonium salt or polyquaternary ammonium salt and copper sulfate at normal temperature and normal pressure to prepare a deodorant;
2) The catalytic combustion improver
The weight percentage is as follows: the composite material consists of 40 percent of combustion improver, 40 percent of strong oxidizer and 20 percent of plant asphalt carbon; the manufacturing process comprises the following steps: uniformly mixing 40% of combustion improver, 40% of strong oxidizer and 20% of plant pitch carbon at normal temperature and normal pressure to prepare sludge catalysis combustion improver; the plant leached carbon is leftovers left after heating and distilling fir at 300 ℃ to obtain an extracting solution, and the leftovers are the plant leached carbon;
3) The cold and hot consolidation drying-free binder
The weight percentage is as follows: consists of 40 percent of active magnesium oxide, 40 percent of active calcium oxide, 10 percent of active aluminum oxide and 10 percent of nano bentonite; the manufacturing process comprises the following steps: uniformly mixing 40% of active magnesium oxide, 40% of active calcium oxide, 10% of active aluminum oxide and 10% of nano bentonite at normal temperature and normal pressure to prepare a cold-hot state consolidation drying-free binder;
4) The sulfur-fixing, smoke-eliminating and denitrifying agent
The material consists of 40 percent of potassium carbonate, 40 percent of sodium carbonate, 5 percent of ferrous sulfate, 5 percent of potassium permanganate and 10 percent of lime according to weight percentage; the manufacturing process comprises the following steps: uniformly mixing 40% of potassium carbonate, 40% of sodium carbonate, 5% of ferrous sulfate, 5% of potassium permanganate and 10% of lime at normal temperature and normal pressure to prepare the sulfur-fixing smoke-eliminating denitrifier;
the preparation method of the multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion comprises the following steps:
diluting the deodorant prepared in the step 1) by 100 times to form deodorant liquid, spraying the deodorant liquid into sludge, and spraying the deodorant liquid for 2-6 minutes at normal temperature and normal pressure until the odor of the sludge disappears; then adding a catalytic combustion improver which is 0.1 percent of the weight of the sludge into the deodorized sludge at normal temperature and normal pressure, uniformly stirring, adding a cold-hot state consolidation drying-free binder which is 90 percent of the weight of the sludge, uniformly stirring, adding a sulfur-fixing smoke-eliminating denitrifier which is 9.3 percent of the weight of the sludge, uniformly stirring, and finally preparing the sludge granulation heat-increasing combustion multifunctional drying-free powder binder; when in use, 4-30wt% of the sludge granulation heat-increasing combustion multifunctional drying-free powder binder is added into each ton of sludge, and a sludge granulation product of 1000-5000 kcal/kg can be formed after uniform stirring.
2. The multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion according to claim 1, which is characterized in that: the organic acid is at least one selected from tartaric acid, oxalic acid, malic acid, citric acid, ascorbic acid, benzoic acid, salicylic acid, and caffeic acid; the quaternary ammonium salt is selected from polyquaternary ammonium salt flocculating bactericide.
3. The multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion according to claim 1, which is characterized in that: the combustion improver is selected from potassium chlorate or potassium nitrate; the strong oxidant is selected from trivalent cobalt salt, persulfate, peroxide, potassium dichromate, potassium permanganate, chlorate or fuming sulfuric acid.
4. The multifunctional drying-free powder binder for sludge granulation and heat-increasing combustion according to claim 1, which is characterized in that: diluting by 100 times to obtain deodorant liquid, spraying into sludge in an amount of 0.2% of the weight of the sludge, and spraying at normal temperature and pressure for 2-6 min until the odor of the sludge disappears.
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