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Method and system for high-solid content continuous enzymolysis of biomass raw materials

A biomass raw material, high solid content technology, applied in the direction of biochemical equipment and methods, biofuels, biomass post-treatment, etc., can solve the problems affecting the industrialization process of cellulosic ethanol technology, and achieve the convenience of automatic control, cellulase The effect of speeding up the solution process and simplifying the structure

Inactive Publication Date: 2019-10-18
吴学军 +4
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] At present, the methods and devices for enzymatic hydrolysis of biomass raw materials have many deficiencies, which affect the industrialization process of cellulosic ethanol technology

Method used

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  • Method and system for high-solid content continuous enzymolysis of biomass raw materials
  • Method and system for high-solid content continuous enzymolysis of biomass raw materials
  • Method and system for high-solid content continuous enzymolysis of biomass raw materials

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Experimental program
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Effect test

Embodiment 1

[0069] 1. The pretreated straw material, adjust the solid content of the material to 25%, and continuously enter the spiral heating conveyor 1-1 of the high-concentration pre-enzymolysis system 00-1. The steam heats the material through the inlet 102 on both sides, and the thermometer is installed Port 104 has a probe to control the heating to a temperature of 55°C; pH instrument installation port 101 has a probe for detection, and the pH value is controlled to be 5.0-5.5, and samples are regularly taken from the sampling port 103 for testing;

[0070] 2. The material with adjusted solid content, temperature, and ph value enters the two-way feeding screw machine system 2-1, and distributes the material evenly to each Arrange the mixing conveyor 3-1 of the pre-enzymolysis screw machine combination system 6-1, and meter the enzyme preparation at the enzyme preparation inlet 203 at the inlet end;

[0071] 3. The mixing conveyor 3-1, through the spiral belt blade 304 and the mixin...

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Abstract

The invention discloses a method and system for high-solid content continuous enzymolysis of biomass raw materials. The system comprises a high-concentration pre-enzymolysis system, a screening device, a high-shear force device, and a continuous enzymolysis system, wherein pretreated straw materials enter the high-concentration pre-enzymolysis system to be subjected to enzymolysis, so that thick liquid having fluidity is obtained; then the thick liquid having fluidity enters the screening device, and non-biomass impurities are removed; and after being treated by the high-shear force device, the screened thick liquid having fluidity enters a continuous enzymolysis jar until the enzymolysis process is completed. According to the method and the system disclosed by the invention, the solid content of the enzymolysis materials is high, so that the enzymolysis efficiency is high, the enzyme preparation dosage is also reduced, the energy consumption is low, the process is continuous, water issaved, and automation control is convenient; and the system is especially suitable for industrialization large-scale production, and can promote the popularization and the application of a biologicalenergy source technique.

Description

technical field [0001] The invention relates to the technical field of producing cellulose ethanol from biomass raw materials, in particular to a method and system for continuous enzymatic hydrolysis of high solid content of biomass raw materials. Background technique [0002] At present, although various technologies and processes for producing cellulose ethanol are different, the cellulose enzymatic hydrolysis device basically borrows the tank-type stirring method of the traditional ethanol production industry, including many research and pilot enzymatic hydrolysis devices. It is a tank-type stirring device. This intermittent enzymatic hydrolysis tank device is suitable for stirring and mixing materials with low resistance and fluidity. Generally, the reducer is directly connected to the input power; this structure is not suitable for lignocellulosic materials. Applicable, in the laboratory or pilot plant, due to the small amount of material and the small size of the tank,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/10C12M1/40C12M1/36C12M1/16
CPCC12M21/16C12M21/18C12M23/58C12M41/48C12P7/10C12P2201/00Y02E50/10
Inventor 刘同林刘笑辰朱晨杰
Owner 吴学军
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