CN113265283A - Preparation method of small-particle-size machine-made semi-coke barbecue carbon - Google Patents
Preparation method of small-particle-size machine-made semi-coke barbecue carbon Download PDFInfo
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- CN113265283A CN113265283A CN202110493817.7A CN202110493817A CN113265283A CN 113265283 A CN113265283 A CN 113265283A CN 202110493817 A CN202110493817 A CN 202110493817A CN 113265283 A CN113265283 A CN 113265283A
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- coke
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- 239000000571 coke Substances 0.000 title claims abstract description 89
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 43
- 235000021168 barbecue Nutrition 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 35
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 24
- 239000011593 sulfur Substances 0.000 claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 230000003197 catalytic effect Effects 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 238000000465 moulding Methods 0.000 claims abstract description 18
- 239000001913 cellulose Substances 0.000 claims abstract description 16
- 229920002678 cellulose Polymers 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002472 Starch Polymers 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 26
- 235000013339 cereals Nutrition 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 23
- 239000000853 adhesive Substances 0.000 claims description 18
- 230000001070 adhesive effect Effects 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 229910044991 metal oxide Inorganic materials 0.000 claims description 13
- 150000004706 metal oxides Chemical class 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 11
- 229920001843 polymethylhydrosiloxane Polymers 0.000 claims description 10
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 claims description 10
- NSXPSOZPCYEURW-UHFFFAOYSA-N 2-[bis(prop-2-enyl)amino]ethanol Chemical compound OCCN(CC=C)CC=C NSXPSOZPCYEURW-UHFFFAOYSA-N 0.000 claims description 9
- 238000000748 compression moulding Methods 0.000 claims description 9
- XPLSDXJBKRIVFZ-UHFFFAOYSA-L copper;prop-2-enoate Chemical compound [Cu+2].[O-]C(=O)C=C.[O-]C(=O)C=C XPLSDXJBKRIVFZ-UHFFFAOYSA-L 0.000 claims description 9
- 229920001592 potato starch Polymers 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 7
- 239000004342 Benzoyl peroxide Substances 0.000 claims description 6
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 235000019400 benzoyl peroxide Nutrition 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- 239000012286 potassium permanganate Substances 0.000 claims description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical group O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 5
- 229920005552 sodium lignosulfonate Polymers 0.000 claims description 5
- 229920005551 calcium lignosulfonate Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 244000017020 Ipomoea batatas Species 0.000 claims description 3
- 235000002678 Ipomoea batatas Nutrition 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 239000004323 potassium nitrate Substances 0.000 claims description 3
- 229940100445 wheat starch Drugs 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 3
- 239000008107 starch Substances 0.000 abstract description 2
- 235000019698 starch Nutrition 0.000 abstract description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 239000003245 coal Substances 0.000 abstract 2
- 238000006477 desulfuration reaction Methods 0.000 abstract 1
- 230000023556 desulfurization Effects 0.000 abstract 1
- 239000003610 charcoal Substances 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 235000011837 pasties Nutrition 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 239000004484 Briquette Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000012792 core layer Substances 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000006459 hydrosilylation reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- -1 carboxylate ions Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- CSJDCSCTVDEHRN-UHFFFAOYSA-N methane;molecular oxygen Chemical compound C.O=O CSJDCSCTVDEHRN-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
Images
Classifications
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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
-
- 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the field of carbon preparation, and discloses a preparation method of small-particle-size machine-made semi-coke barbecue carbon, which comprises the following steps: crushing, mixing, carrying out smoldering gelatinization, molding and drying; the method adopts the characteristics that the roasted carbon obtained by mixing the cellulose salt, the plant starch and the semi-coke, gelatinizing the mixture by using water vapor under high pressure and then pressing and forming the mixture has high strength; the invention also adds a catalytic composite sulfur fixing agent in the formula, the use of the sulfur fixing agent can ensure that coal is more fully combusted, the emission of sulfur dioxide and desulfurization are reduced, the consumption of fire coal is reduced, and the emission of dust and harmful gas is favorably reduced.
Description
Technical Field
The invention relates to the field of carbon preparation, in particular to a preparation method of small-particle-size machine-made semi-coke barbecue carbon.
Background
The machine-made semi-coke is produced by adopting a medium-low temperature dry distillation roasting process, the fixed carbon content of the semi-coke prepared by the process is improved by 5-10 percent compared with that of the earth-refined semi-coke, the ash content and the volatile component are reduced by 3-5 percent, the mechanical strength is obviously improved, and the quality is relatively stable because controllable temperature measuring equipment is arranged in the mechanized furnace. With the national introduction of a series of corresponding laws and regulations advocating "environmental management, pollution reduction, energy saving and consumption reduction", the production process of machine-made semi coke is gradually accepted by most producers and forms a scale.
CN108559563A adopts blue carbon, anthracite or coke waste to be crushed into carbon powder, adhesive is added into the carbon powder to be evenly stirred, and then the carbon powder is molded by a molding machine and dried to obtain the environment-friendly mechanism fuel.
CN106635229A discloses an environment-friendly charcoal and a preparation method thereof, the method takes semi coke as a production raw material, firstly, the semi coke is screened and crushed into powder of 40 meshes to 50 meshes, after an adhesive is added, the powder is fully rolled and stirred by a rolling type stirrer, the powder is put into a stick making machine to be made into a firewood stick by a high-pressure forming machine, and then the stick making machine is put into a drying room to be dried to prepare the machine-made environment-friendly charcoal; the environmentally friendly carbon includes high temperature carbon. The invention is based on energy-saving and new energy application technology and waste utilization, and meets the indispensable charcoal raw materials and additives in industries such as agriculture, animal husbandry, metallurgy and the like and the indispensable fuel requirements of human life in China; the raw material of the invention is semi coke which is crushed and processed into high-quality, environment-friendly and high-efficiency machine-made carbon at high temperature and high pressure; clean, nontoxic, smokeless and tasteless, high thermal efficiency, large market demand and wide prospect.
CN205188234U provides an environment-friendly high-energy mechanism charcoal, which comprises a flame-retardant charcoal core layer and a combustible carbon layer coated on the outer surface of the flame-retardant charcoal core layer; the flame-retardant carbon core layer is a semi-coke and/or coke layer; the inflammable charcoal layer is a charcoal layer; the outer surface of the inflammable charcoal layer is coated with a moisture-proof layer; the moisture-proof layer is an organic silicon layer; the utility model discloses mutually support between the multilayer structure, not only the burning is abundant, and no smoke and dust produces, and the environmental protection is clean, and burning time is of a specified duration moreover, can effectively save fuel, reduce cost.
The machine-made semi coke with small particle size is difficult to form, and the prepared barbecue carbon is easy to generate more dust and harmful gas emission, and is not beneficial to the health and safety of barbecue food.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of small-particle-size machine-made semi-coke barbecue carbon.
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5-1.2: 0.4-4;
step two, mixing materials, namely adding 80-100 parts of raw material semi coke obtained by crushing into a mixer, then adding 5-9 parts of cellulose salt, mixing and stirring for 10-30min, then adding 1.5-4.5 parts of adhesive, 0.8-2.6 parts of combustion improver and 3.5-7.2 parts of sulfur fixing agent, and continuously stirring and mixing for 10-30min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
according to the mass portion, 15-30 portions of polymethylhydrosiloxane, 0.5-1.8 portions of isopropanol solution of chloroplatinic acid with the mass percentage concentration of 3-7 percent and 10-17 portions of N, N-diallylethanolamine are introduced into nitrogen, and are stirred and mixed for 130-materials for 160min under the condition of heat preservation, then 1-5 portions of copper acrylate, 0.05-0.2 portion of benzoyl peroxide and 0.1-0.5 portion of metal oxide are added, the temperature is controlled to be 40-80 ℃, the stirring reaction is carried out for 10-20h, and the catalytic composite sulfur fixing agent can be obtained after the reaction is finished and is cooled to the room temperature;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100-120 ℃ for 90-120s, wherein the pressure in the smoldering tank is 0.2-0.7MPa, so as to obtain a gelatinized material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6-9MPa, and then drying in an oven at the temperature of 125-180 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is potato starch or wheat starch or sweet potato starch.
The combustion improver is potassium permanganate, potassium chlorate or potassium nitrate.
The cellulose salt is sodium lignosulfonate or calcium lignosulfonate.
The catalyst is formed by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.2-0.8.
The metal oxide is ferric oxide or magnesium oxide or zinc oxide.
The reaction mechanism of the catalytic composite sulfur fixing agent is as follows: the formula of the partial reaction mechanism of the hydrosilylation reaction of the polymethylhydrosiloxane and the N, N-diallyl ethanolamine is shown as follows:
then carrying out polymerization reaction with copper acrylate, wherein the equation of part of the reaction mechanism is shown as follows:
the invention discloses a preparation method of small-particle-size machine-made semi-coke barbecue carbon, which is characterized in that the barbecue carbon obtained by mixing cellulose salt, plant starch and semi-coke, gelatinizing the mixture by water vapor under high pressure and then performing compression molding has high strength; the invention also adds a catalytic composite sulfur fixing agent into the formula, and the polymethylhydrosiloxane and the N, N-diallyl ethanolamine generate hydrosilylation reaction and then generate polymerization reaction with the copper acrylate to prepare the catalyst.
Drawings
FIG. 1 is a Fourier infrared spectrum of the catalytic composite sulfur fixing agent prepared in example 2:
at 2966cm-1The expansion absorption peak of carbon-hydrogen bond is near to 914cm-1An absorption peak of a carbon-nitrogen single bond at 3348cm is present in the vicinity-1The stretching absorption peak of hydroxyl exists nearby and is 1100/1023cm-1A telescopic absorption peak of a carbon-oxygen single bond exists nearby, so that the N, N-diallyl ethanolamine participates in the reaction; at 808cm-1A symmetric stretching absorption peak of silicon-oxygen bonds exists nearby, and is 672cm-1A symmetric telescopic absorption peak of silicon-carbon bonds exists nearby, so that the polymethylhydrosiloxane participates in the reaction; at 1627cm-1An antisymmetric telescopic absorption peak of carboxylate ions exists nearby, which indicates that copper acrylate participates in the reaction.
Detailed Description
The invention is further illustrated by the following specific examples:
example 1
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5: 0.4;
step two, mixing materials, namely adding 80kg of raw material semi coke obtained by crushing into a mixer, then adding 5kg of cellulose salt, mixing and stirring for 10min, then adding 1.5kg of adhesive, 0.8kg of combustion improver and 3.5kg of sulfur fixing agent, and continuously stirring and mixing for 10min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
adding 15kg of polymethylhydrosiloxane, 0.5kg of isopropanol solution of chloroplatinic acid with the mass percentage concentration of 3% and 10kg of N, N-diallylethanolamine, introducing nitrogen, keeping the temperature, stirring and mixing for 130min, then adding 1kg of copper acrylate, 0.05kg of benzoyl peroxide and 0.1kg of metal oxide, controlling the temperature to be 40 ℃, stirring and reacting for 10h, and cooling to room temperature after the reaction is finished to obtain the catalytic composite sulfur fixing agent;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100 ℃ for 90s, wherein the pressure in the smoldering tank is 0.2MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6MPa, and then drying in a drying oven at 125 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is potato starch.
The combustion improver is potassium permanganate.
The cellulose salt is sodium lignosulphonate.
The catalyst is prepared by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.2.
The metal oxide is ferric oxide.
Example 2
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.8: 2.4;
step two, mixing materials, namely adding 90kg of raw material semi coke obtained by crushing into a mixer, then adding 8kg of cellulose salt, mixing and stirring for 20min, then adding 3.5kg of adhesive, 1.6kg of combustion improver and 5.2kg of sulfur fixing agent, and continuously stirring and mixing for 20min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
adding 23kg of polymethylhydrosiloxane, 1.2kg of 5% isopropanol solution of chloroplatinic acid and 24kg of N, N-diallylethanolamine, introducing nitrogen, keeping the temperature, stirring and mixing for 145min, then adding 3kg of copper acrylate, 0.13kg of benzoyl peroxide and 0.3kg of metal oxide, controlling the temperature to be 60 ℃, stirring and reacting for 15h, and cooling to room temperature after the reaction is finished to obtain the catalytic composite sulfur fixing agent;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 110 ℃ for 100s, wherein the pressure in the smoldering tank is 0.5MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 8MPa, and then drying in a drying oven at 150 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is wheat starch.
The combustion improver is potassium chlorate.
The cellulose salt is calcium lignosulphonate.
The catalyst is prepared by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.5.
The metal oxide is magnesium oxide.
Example 3
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:1.2: 4;
step two, mixing materials, namely adding 100kg of raw material semi coke obtained by crushing into a mixer, then adding 9kg of cellulose salt, mixing and stirring for 30min, then adding 4.5kg of adhesive, 2.6kg of combustion improver and 7.2kg of sulfur fixing agent, and continuously stirring and mixing for 30min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
30kg of polymethylhydrosiloxane, 1.8kg of isopropanol solution of chloroplatinic acid with the mass percent concentration of 7% and 17kg of N, N-diallylethanolamine are introduced with nitrogen, stirred and mixed for 160min under the condition of heat preservation, then 5kg of copper acrylate, 0.2kg of benzoyl peroxide and 0.5kg of metal oxide are added, the temperature is controlled to be 80 ℃, the mixture is stirred and reacted for 20h, and after the reaction is finished, the mixture is cooled to room temperature to obtain the catalytic composite sulfur fixing agent;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 120 ℃ for 120s, wherein the pressure in the smoldering tank is 0.7MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 9MPa, and then drying in an oven at 180 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is sweet potato starch.
The combustion improver is potassium nitrate.
The cellulose salt is calcium lignosulphonate.
The catalyst is prepared by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.8.
The metal oxide is zinc oxide.
The cold pressing strength of the finished carbon prepared by the invention in the embodiment is measured according to an industrial briquette cold pressing strength measuring method (MT/T748-2007), 10 prepared finished carbons are taken and placed in the center of a force application surface of a compression strength instrument, and the numerical value of the finished carbon in spalling is recorded. Taking the arithmetic mean value of the cold pressing strength measured by 10 briquette balls as the cold pressing strength of a sample, and expressing the cold pressing strength by SCC with the unit of N/briquette; the sulfur content of the finished carbon is measured according to the national standard method GB/T214-2007. The test results are shown in the following table:
| sulfur content (%) | Cold pressing strength (N/piece) | |
| Example 1 | 0.14 | 769.2 |
| Example 2 | 0.12 | 781.6 |
| Example 3 | 0.09 | 788.2 |
Comparative example 1
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5: 0.4;
step two, mixing materials, namely adding 80kg of raw material semi coke obtained by crushing into a mixer, then adding 5kg of cellulose salt, mixing and stirring for 10min, then adding 1.5kg of adhesive, 0.8kg of combustion improver and 3.5kg of sulfur fixing agent, and continuously stirring and mixing for 10min to obtain a mixture; the sulfur-fixing agent is calcium carbonate;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100 ℃ for 90s, wherein the pressure in the smoldering tank is 0.2MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6MPa, and then drying in a drying oven at 125 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is potato starch.
The combustion improver is potassium permanganate.
The cellulose salt is sodium lignosulphonate.
Comparative example 2
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5: 0.4;
step two, mixing materials, namely adding 80kg of raw material semi coke obtained by crushing into a mixer, then adding 5kg of cellulose salt, mixing and stirring for 10min, then adding 1.5kg of adhesive, 0.8kg of combustion improver and 3.5kg of sulfur fixing agent, and continuously stirring and mixing for 10min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
15kg of polymethylhydrosiloxane, 0.5kg of isopropanol solution of chloroplatinic acid with the mass percentage concentration of 3% and 10kg of N, N-diallylethanolamine are introduced with nitrogen, stirred and mixed for 130min under heat preservation, and then cooled to room temperature to obtain the catalytic composite sulfur fixing agent;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100 ℃ for 90s, wherein the pressure in the smoldering tank is 0.2MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6MPa, and then drying in a drying oven at 125 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is potato starch.
The combustion improver is potassium permanganate.
The cellulose salt is sodium lignosulphonate.
The catalyst is prepared by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.2.
The metal oxide is ferric oxide.
Comparative example 3
A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5: 0.4;
step two, mixing materials, namely adding 80kg of raw material semi coke obtained by crushing into a mixer, then adding 1.5kg of adhesive, 0.8kg of combustion improver and 3.5kg of sulfur fixing agent, and continuously stirring and mixing for 10min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
introducing nitrogen into 15kg of polymethylhydrosiloxane and 0.5kg of isopropanol solution of chloroplatinic acid with the mass percent concentration of 3%, keeping the temperature, stirring and mixing for 130min, then adding 1kg of copper acrylate, 0.05kg of benzoyl peroxide and 0.1kg of metal oxide, controlling the temperature at 40 ℃, stirring and reacting for 10h, and cooling to room temperature after the reaction is finished to obtain the catalytic composite sulfur fixing agent;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100 ℃ for 90s, wherein the pressure in the smoldering tank is 0.2MPa, so as to obtain a pasty material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6MPa, and then drying in a drying oven at 125 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
The grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
The adhesive is potato starch.
The combustion improver is potassium permanganate.
The catalyst is prepared by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.2.
The metal oxide is ferric oxide.
The cold pressing strength and sulfur content of the finished carbon prepared according to the present invention of the above comparative example were measured according to the methods of the examples. The test results are shown in the following table:
| sulfur content (%) | Cold pressing strength (N/piece) | |
| Comparative example 1 | 0.49 | 738.4 |
| Comparative example 2 | 0.33 | 762.3 |
| Comparative example 3 | 0.27 | 675.8 |
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present invention in the specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A preparation method of small-particle-size machine-made semi-coke barbecue carbon comprises the following steps:
step one, crushing, namely putting machine-made semi-coke with small particle size into a crusher, and crushing to obtain raw semi-coke with small particle size, wherein the mass ratio of medium particle size to large particle size is 1:0.5-1.2: 0.4-4;
step two, mixing materials, namely adding 80-100 parts of raw material semi coke obtained by crushing into a mixer, then adding 5-9 parts of cellulose salt, mixing and stirring for 10-30min, then adding 1.5-4.5 parts of adhesive, 0.8-2.6 parts of combustion improver and 3.5-7.2 parts of sulfur fixing agent, and continuously stirring and mixing for 10-30min to obtain a mixture; the sulfur-fixing agent is a catalytic composite sulfur-fixing agent, and is prepared by the following method:
according to the mass portion, 15-30 portions of polymethylhydrosiloxane, 0.5-1.8 portions of isopropanol solution of chloroplatinic acid with the mass percentage concentration of 3-7 percent and 10-17 portions of N, N-diallylethanolamine are introduced into nitrogen, and are stirred and mixed for 130-materials for 160min under the condition of heat preservation, then 1-5 portions of copper acrylate, 0.05-0.2 portion of benzoyl peroxide and 0.1-0.5 portion of metal oxide are added, the temperature is controlled to be 40-80 ℃, the stirring reaction is carried out for 10-20h, and the catalytic composite sulfur fixing agent can be obtained after the reaction is finished and is cooled to the room temperature;
thirdly, performing smoldering gelatinization, namely adding the mixture into a smoldering tank, replacing air in the tank with nitrogen, and then introducing water vapor with the temperature of 100-120 ℃ for 90-120s, wherein the pressure in the smoldering tank is 0.2-0.7MPa, so as to obtain a gelatinized material;
and step four, molding and drying, namely conveying the gelatinized material into a molding machine, performing compression molding under the pressure of 6-9MPa, and then drying in an oven at the temperature of 125-180 ℃ to obtain the small-particle-size machine-made semi-coke barbecue carbon.
2. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the grain size of the small-grain diameter semi-coke is less than 0.5mm, the grain size of the medium-grain diameter semi-coke is 0.5-1mm, and the grain size of the large-grain diameter semi-coke is 1-5 mm.
3. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the adhesive is potato starch or wheat starch or sweet potato starch.
4. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the combustion improver is potassium permanganate, potassium chlorate or potassium nitrate.
5. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the cellulose salt is sodium lignosulfonate or calcium lignosulfonate.
6. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the catalyst is formed by mixing potassium chlorate and ethylene glycol monomethyl ether according to the mass ratio of 1: 0.2-0.8.
7. The method for preparing small-particle-size machine-made semi-coke barbecue carbon according to claim 1, characterized in that: the metal oxide is ferric oxide or magnesium oxide or zinc oxide.
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Address after: 017000 No. 5 Xianghe Road, Equipment Manufacturing Base, Dongsheng District, Ordos City, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia blue fire banquet technology environmental protection Co.,Ltd. Address before: 017000 Floor-3-301, No. 10 Building, Dongshan Hydrological Park, South Wushen East Street, Dongsheng District, Ordos City, Inner Mongolia Autonomous Region Patentee before: INNER MONGOLIA WANZHONG WEIYE TECHNOLOGY ENVIRONMENTAL PROTECTION Co.,Ltd. |
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Denomination of invention: A Preparation Method for Small Particle Size Mechanism Blue Charcoal Barbecue Carbon Granted publication date: 20220524 Pledgee: Huaxia Bank Co.,Ltd. Ordos Branch Pledgor: Inner Mongolia blue fire banquet technology environmental protection Co.,Ltd.|Inner Mongolia Zhonghui Taihe Engineering Co.,Ltd. Registration number: Y2024150000039 |