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Production process for biogas purification of biogas

A technology of biological natural gas and production process, which is applied in the production process field of biogas purification of biological natural gas, can solve the problems of long purification time and inability to efficiently produce biogas, and achieves the effect of improving efficiency and increasing production efficiency.

Inactive Publication Date: 2021-12-21
张培全
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a production process for biogas purification of bio-natural gas to solve the problems of long purification time and inefficient output during biogas fermentation in the above-mentioned background technology

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  • Production process for biogas purification of biogas

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Embodiment 1

[0032] Embodiment one: a kind of preparation process of biogas purification biological natural gas, comprises the following steps:

[0033] S11. Pulverizing the raw materials for biogas preparation;

[0034] S1. Adding the raw materials for biogas preparation to the anaerobic fermentation tank;

[0035] S21. Regulating the concentration of the fermentation broth so that the concentration of the fermentation broth is adjusted to 20%;

[0036] S2. Add the fermentation broth to the anaerobic fermentation tank;

[0037] S22. Adjust the pH value inside the anaerobic fermentation tank to adjust the pH value inside the anaerobic fermentation tank to 3.5;

[0038] S23. Heating the interior of the anaerobic fermentation tank through the heating device, so that the internal environment of the anaerobic fermentation tank is maintained at about 25°C;

[0039] S3. Wait for the raw material to ferment, and generate biogas after the raw material is fermented;

[0040] S31. After the raw ...

Embodiment 2

[0045] Embodiment two: a kind of biogas purification bio-natural gas production process comprises the following steps:

[0046] S11. Pulverizing the raw materials for biogas preparation;

[0047] S1. Adding the raw materials for biogas preparation to the anaerobic fermentation tank;

[0048] S21. Regulating the concentration of the fermentation broth so that the concentration of the fermentation broth is adjusted to 21%;

[0049] S2. Add the fermentation broth to the anaerobic fermentation tank;

[0050] S22. Adjust the pH value inside the anaerobic fermentation tank to adjust the pH value inside the anaerobic fermentation tank to 3.9;

[0051] S23. Heating the interior of the anaerobic fermentation tank through the heating device, so that the internal environment of the anaerobic fermentation tank is maintained at about 33°C;

[0052] S3. Wait for the raw material to ferment, and generate biogas after the raw material is fermented;

[0053] S31. After the raw material is ...

Embodiment 3

[0058] Embodiment three: a kind of preparation process of biogas purification biological natural gas, comprises the following steps:

[0059] S11. Pulverizing the raw materials for biogas preparation;

[0060] S1. Adding the raw materials for biogas preparation to the anaerobic fermentation tank;

[0061] S21. Regulating the concentration of the fermentation broth so that the concentration of the fermentation broth is adjusted to 23%;

[0062] S2. Add the fermentation broth to the anaerobic fermentation tank;

[0063] S22. Adjust the pH value inside the anaerobic fermentation tank to adjust the pH value inside the anaerobic fermentation tank to 4.5;

[0064] S23. Heating the interior of the anaerobic fermentation tank through the heating device, so that the internal environment of the anaerobic fermentation tank is maintained at about 35°C;

[0065] S3. Wait for the raw material to ferment, and generate biogas after the raw material is fermented;

[0066] S31. After the ra...

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Abstract

The invention belongs to the technical field of biogas production, and discloses a biogas purification biogas production process. The process comprises the following steps: S1, adding raw materials for preparing biogas into an anaerobic fermentation tank; S2, adding the fermentation liquor into an anaerobic fermentation tank; S3, after the raw materials are fermented, generating biogas; S4, introducing the biogas into filtering equipment to remove particulate impurities in the biogas; S5, introducing the biogas without the particulate matter impurities into a pressure pump, and introducing the biogas without the particulate matter impurities into a desulfurization tower through the pressure pump for desulfurization. According to the invention, the booster pump works to introduce biogas into the desulfurization tower for desulfurization, so that the biogas can pass through the desulfurization tower in an accelerated manner, the biogas can be desulfurized more quickly, and the raw materials are stirred by the turning equipment, so the biogas can be fully volatilized, the production efficiency of the biogas is increased, and the efficiency of biogas purification for producing biogas is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of biological natural gas production, and in particular relates to a production process for biogas purification of biological natural gas. Background technique [0002] Bio-natural gas is a green, low-carbon, clean and renewable natural gas produced by anaerobic fermentation, purification and purification from various urban and rural organic wastes such as crop straw, livestock and poultry manure, kitchen waste, and agricultural and sideline product processing wastewater. The biogas residue produced in the oxygen fermentation process can be used to produce organic fertilizer. [0003] However, the existing biogas purification bio-natural gas production process takes a long time to purify biogas, and it takes a long time to produce bio-natural gas, which greatly reduces the production efficiency of bio-natural gas, and cannot efficiently produce biogas during fermentation. out. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L3/08C10L3/10C02F11/04B01D53/82B01D53/78B01D53/62B01D53/48B01D53/04B01D53/26
CPCC10L3/08C10L3/101C10L3/103C10L3/104C10L3/106C02F11/04B01D53/04B01D53/62B01D53/78B01D53/48B01D53/82B01D53/26Y02E50/30Y02C20/40Y02W10/20
Inventor 张培全
Owner 张培全