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Biomass fuel binder and preparation method thereof

A biomass fuel and binder technology, applied in the field of utilization of biomass resources, can solve problems such as poor adhesion, low molding rate, and easy to loosen, and achieve the effects of improving viscosity, improving waterproof performance, and extending storage period

Inactive Publication Date: 2019-01-04
ANHUI DADI ENERGY SAVING SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, biomass fuel is prepared by high-temperature extrusion, which has the problems of low molding rate and poor cohesiveness. It is prone to loosening after long-term storage

Method used

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  • Biomass fuel binder and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A biomass fuel binder, the components by weight are as follows: 10 parts of modified lignin, 25 parts of hydrophobic acrylic resin, 2 parts of dodecyl alcohol ester, 5 parts of chlorosulfonated polyethylene, and silicone defoaming 2 parts of agent, 2 parts of curing agent, 3 parts of plasticizer.

[0020] Preferably, the curing agent is prepared by mixing xylylenediamine and m-phenylenediamine in a weight ratio of 1:1.5.

[0021] Preferably, the plasticizer is prepared by mixing epoxidized soybean oil and acetyl tributyl citrate in a weight ratio of 1:2.

[0022] As preferably, the preparation method of wherein said modified lignin is as follows:

[0023] 1) Take 8 parts of lignin, add 15 parts of zinc chloride solution, heat to 45°C, stir at 180r / min for 1h, then stand for 21h, filter, wash and dry to obtain activated lignin;

[0024] 2) Grind the activated lignin into powder, pass through a 50-mesh sieve, add 7 parts of tetramethylpiperidone, heat to 60°C, then add ...

Embodiment 2

[0030] A biomass fuel binder, the components by weight are as follows: 12 parts of modified lignin, 30 parts of hydrophobic acrylic resin, 3 parts of dodecyl alcohol ester, 7 parts of chlorosulfonated polyethylene, and silicone defoaming 3 parts of agent, 2 parts of curing agent, 4 parts of plasticizer.

[0031] Preferably, the curing agent is prepared by mixing xylylenediamine and m-phenylenediamine in a weight ratio of 1:1.5.

[0032] Preferably, the plasticizer is prepared by mixing epoxidized soybean oil and acetyl tributyl citrate in a weight ratio of 1:2.

[0033] As preferably, the preparation method of wherein said modified lignin is as follows:

[0034] 1) Take 10 parts of lignin, add 17 parts of zinc chloride solution, heat to 50°C, stir at 200r / min for 1h, then stand for 25h, filter, wash and dry to obtain activated lignin;

[0035] 2) Grind the activated lignin into powder, pass through a 50-mesh sieve, add 9 parts of tetramethylpiperidone, heat to 70°C, then add...

Embodiment 3

[0041] A biomass fuel binder, the components by weight are as follows: 15 parts of modified lignin, 35 parts of hydrophobic acrylic resin, 5 parts of dodecyl alcohol ester, 10 parts of chlorosulfonated polyethylene, and silicone defoaming 5 parts of agent, 3 parts of curing agent, 5 parts of plasticizer.

[0042] Preferably, the curing agent is prepared by mixing xylylenediamine and m-phenylenediamine in a weight ratio of 1:1.5.

[0043] Preferably, the plasticizer is prepared by mixing epoxidized soybean oil and acetyl tributyl citrate in a weight ratio of 1:2.

[0044] As preferably, the preparation method of wherein said modified lignin is as follows:

[0045] 1) Take 13 parts of lignin, add 20 parts of zinc chloride solution, heat to 55°C, stir at a speed of 210r / min for 1.5h, then stand for 28h, filter, wash and dry to obtain activated lignin;

[0046] 2) Grind the activated lignin into powder, pass through a 50-mesh sieve, add 11 parts of tetramethylpiperidone, heat to...

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Abstract

The invention discloses a biomass fuel binder and a preparation method thereof. The binder is prepared from, modified lignin, hydrophobic acrylic resin, dodecyl alcohol ester, chlorosulfonated polyethylene, silicone defoaming agent, a curing agent and a plasticizer; the method comprises the steps of 1) mixing the hydrophobic acrylic resin and the dodecyl alcohol ester, slowly adding the modified lignin and stirring to prepare an emulsion A; 2) adding the chlorosulfonated polyethylene in the emulsion A in 1), adding the silicone defoaming agent, the curing agent and the plasticizer during the stirring and mixing process, and after uniformly stirring, drying, crushing and sieving to prepare the biomass fuel binder. The biomass fuel binder has the advantages of simple preparation process, strong cohesiveness and good water repellency, can effectively improve the molding rate, durability and moisture resistance of a biomass fuel, and is beneficial to long-term storage of the biomass fuel.

Description

technical field [0001] The invention belongs to the technical field of utilization of biomass resources, in particular to a biomass fuel binder and a preparation method thereof. Background technique [0002] Biomass fuel refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry wastes, which are mainly different from fossil fuels. In the current national policies and environmental protection standards, the direct combustion of biomass is a highly polluting fuel, which is only used in large stoves in rural areas and is not allowed to be used in cities. The application of biomass fuel is actually mainly biomass briquette fuel, which is a new type of clean fuel that can be directly burned by using agricultural and forestry waste as raw materials, through processes such as pulverization, mixing, extrusion, drying, etc. . [0003] At present, biomass fuel is prepared by high-temperature extrusion, which has the problems of low molding rate a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/44C10L10/00
CPCC10L5/445C10L10/00Y02E50/10Y02E50/30
Inventor 许信元
Owner ANHUI DADI ENERGY SAVING SCI & TECH