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Accelerator as well as application and preparation device thereof

A technology for preparing devices and accelerators, applied in biochemical cleaning devices, enzymology/microbiology devices, gas production bioreactors, etc., can solve problems such as long fermentation time, improve gas production rate, reduce maintenance costs, Energy saving effect

Active Publication Date: 2022-07-29
CHINA HUADIAN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defects that the anaerobic fermentation system in the prior art needs more than 70-80 days to degrade the fiber component and the fermentation time is longer

Method used

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  • Accelerator as well as application and preparation device thereof
  • Accelerator as well as application and preparation device thereof
  • Accelerator as well as application and preparation device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] This embodiment provides a preparation device, refer to figure 1 , Figure 4 and Figure 7 , including hydrolysis tank 1, heating coil 9 and aeration mechanism. There is a stirring mechanism in the hydrolysis tank 1, and the stirring mechanism is suitable for stirring the materials in the hydrolysis tank 1; the heating coil 9 is arranged circumferentially along the side wall of the hydrolysis tank 1; the aeration mechanism is arranged in the hydrolysis tank 1 and is suitable for the hydrolysis tank 1. Enter gas into tank 1.

[0048] The above-mentioned hydrolysis tank 1 is provided with an elevation mark 6 at a distance of 500 mm from the top of the hydrolysis tank 1. During use, the material is put into the hydrolysis tank 1, so that the material does not exceed the elevation mark 6 of the hydrolysis tank 1, and the stirring mechanism is started to carry out the material. Stir, and heat the material in the hydrolysis tank 1 through the heating coil 9, and the aerati...

Embodiment 2

[0064] This embodiment provides a kind of accelerator, which comprises by weight: 50 parts of biogas slurry, 40 parts of cow dung, 3 parts of cellulase, 5 parts of corn stover, 1 part of corn gluten, and 1 part of industrial glucose;

[0065] The accelerator is prepared using the preparation device provided in Example 1, and the preparation method includes the following preparation steps:

[0066] S1. Put biogas slurry, cow dung, cellulase, corn stover, corn gluten and industrial glucose into the hydrolysis tank and mix them evenly;

[0067] S2. First use a submersible agitator to stir for 5 minutes, then turn on the roots blower to input gas into the hydrolysis tank, so that the dissolved oxygen concentration in the material is 0.5mg / L, and then set the submersible agitator to stir for 5 minutes per hour; keep the heating coil always Convey hot water to heat the material, keep the temperature of the material at about 38 °C, and continue to hydrolyze for 72 hours.

Embodiment 3

[0069] This embodiment provides a kind of accelerator, which comprises by weight: 60 parts of biogas slurry, 30 parts of cow dung, 3 parts of cellulase, 5 parts of corn stover, 1 part of corn gluten, and 1 part of industrial glucose;

[0070] The accelerator is prepared using the preparation device provided in Example 1, and the preparation method includes the following preparation steps:

[0071] S1. Put biogas slurry, cow dung, cellulase, corn stover, corn gluten and industrial glucose into the hydrolysis tank and mix them evenly;

[0072] S2. First use a submersible agitator to stir for 5 minutes, then turn on the roots blower to input gas into the hydrolysis tank, so that the dissolved oxygen concentration in the material is 0.5mg / L, and then set the submersible agitator to stir for 5 minutes per hour; keep the heating coil always Convey hot water to heat the material, keep the temperature of the material at about 38 °C, and continue to hydrolyze for 72 hours.

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Abstract

The invention discloses an accelerant as well as application and a preparation device thereof. The accelerant is prepared from the following components in parts by weight: 50 to 90 parts of biogas slurry, 5 to 40 parts of cow dung, 2 to 4.5 parts of enzyme and 0.5 to 5 parts of crop straw. The accelerant is applied to fermentation of crop straws, and the weight of the accelerant added during application accounts for 5-35% of the total weight of the crop straws and the accelerant. The preparation device of the accelerant comprises a hydrolysis tank, a heating coil and an aeration mechanism. A stirring mechanism is arranged in the hydrolysis tank and is suitable for stirring materials in the hydrolysis tank; the heating coil is annularly arranged along the side wall of the hydrolysis tank; the aeration mechanism is arranged in the hydrolysis tank and is suitable for inputting gas into the hydrolysis tank. According to the accelerant, the fermentation degradation time of the crop straw is greatly shortened, the gas production rate is greatly increased, the energy consumption of the fermentation degradation of the crop straw is greatly reduced, and the operation cost is saved.

Description

technical field [0001] The invention relates to the technical field of crop straw fermentation, in particular to an accelerator and an application and preparation device thereof. Background technique [0002] my country is a country with a large output of agricultural waste. According to statistics, the total annual output of crop straw is more than 700 million tons. With the continuous increase of my country's population, the grain output increases year by year, and the corresponding annual total output of straw will increase at a rate of 6%. If these crop straws are not disposed of in time, they will not only pollute the environment, but also cause waste of resources. [0003] Biogas is a mixed gas produced by microbial fermentation of organic matter under anaerobic conditions; it is a combustible gas with high calorific value, and is a good biomass clean energy. Crop straw is a common fermentation raw material in biogas engineering. Conventional anaerobic fermentation o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N9/42C12N1/20C12P19/02C12P19/14C12P5/02C12M1/107C12M1/02C12M1/04C12M1/36C12M1/38C12M1/00
CPCC12N9/2437C12N1/20C12P19/02C12P19/14C12P5/023C12Y302/01004C12M21/04C12M27/02C12M41/22C12M29/06C12M41/34Y02E50/30
Inventor 陈冠英马宗虎彭刚平郑立明张廷军赵健
Owner CHINA HUADIAN ENG
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