A method for treating distillers' grain waste gas of a Baijiu factory

A technology for waste gas treatment and distiller's grains, which is applied in the field of distiller's grains waste gas treatment in liquor factories, can solve the problems of reducing the gas concentration of emitting odor substances, and the effect of distiller's grain waste gas on life, etc., and achieves the effect of low equipment maintenance cost, low cost, and reduced environmental impact.

Pending Publication Date: 2019-07-05
ANHUI XUANJIU GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for treating distiller's waste gas from a liquor factory, by first collecting the emitted distiller's waste gas at the source, and then performing elimination treatment to reduce the gas concentration of the odorous substances to solve the problem that the distiller's waste gas affects people's lives and Bring environmental protection and other restrictive issues to liquor factories

Method used

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  • A method for treating distillers' grain waste gas of a Baijiu factory
  • A method for treating distillers' grain waste gas of a Baijiu factory
  • A method for treating distillers' grain waste gas of a Baijiu factory

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Embodiment 1

[0014] In this embodiment, a process operation for treating distiller's grain waste gas in a three-retort brewing workshop is taken as an example to illustrate the process of the method of the present invention.

[0015] figure 1 It is a schematic flow chart of the treatment of waste gas from distiller's grains in a three-retort brewing workshop. figure 2 It is a structural schematic diagram of a swirling plate spray scrubber. A detailed description will be given below in conjunction with the accompanying drawings.

[0016] 1) Waste gas collection: Each team cooks 8 retorts per day, and cooks 3 retorts at the same time. When steaming grain, steaming bran, and distilling wine are finished deacidizing the atmosphere, the exhaust gas absorption cover 2 matching the corresponding caliber of retort 1 is placed on the Above each retort, utilize the negative pressure of the centrifugal fan 5 to collect waste gas; the air volume of the centrifugal fan used in this embodiment is 218...

Embodiment 2

[0023] This embodiment takes a waste gas treatment process of a four-box type waste grain dump as an example to illustrate the specific implementation process of the distiller's grain waste gas treatment method of the present invention in the waste grain dump of a liquor factory.

[0024] image 3 It is a schematic diagram of the waste gas treatment process of the method of the present invention in a four-box type waste dregs dump.

[0025] 1) Waste gas collection: when the waste grains stacking box 9 contains waste grains, start the absorption cover 2 above it that is the same size as the stacking box caliber, and use the negative pressure of the centrifugal fan 5 to collect the waste gas; the centrifugal fan 5 used in this embodiment Fan, the air volume is 19404-33958m 3 / h, wind pressure 2619-1834Pa, motor power 30KW;

[0026] 2) Exhaust gas transportation: the fan generates suction to collect and summarize the exhaust gas and transport it to the purification treatment eq...

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Abstract

A method for treating distillers' grain waste gas of a Baijiu factory is disclosed. The method is characterized in that: a waste gas collecting cover is mounted above a steamer pot and / or waste grainstacking tank to collect waste gas; the waste gas is conveyed into a rotational flow plate-type spraying washing column and subjected to atomized water spraying adsorption treatment; washing wastewater is centralized to a wastewater treatment station for treatment and for cyclic use; and waste gas is then discharged in high altitude. According to the method, distillers' grain gas generated is firstly collected from the source and is treated for removal, and the organic matter removal rate is not less than 90%, thus effectively reducing environment influences caused by distillers' grain waste gas, reducing the risk of environment pollution and facilitating promotion in the Baijiu industry.

Description

technical field [0001] The invention belongs to the technical field of waste gas treatment methods, and in particular relates to a treatment method for distiller's grain waste gas from a distillery. Background technique [0002] Liquor is a special kind of fermented food. Generally, grains such as sorghum and wheat are used as raw materials, and Daqu is used as a saccharification starter. It adopts an open multi-strain solid-state fermentation production model. This generation mode has created the inherent product characteristics of Chinese liquor, which is deeply loved by the people. However, the waste gas generated when grain and fermented grains are cooked, distilled spirits and waste grains are piled up is usually naturally emitted into the environment. Distiller's grains waste gas contains water vapor, a small amount of ethanol, organic acids, esters and other substances, accompanied by a certain smell of distiller's grains, which will have a negative impact on the nor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B08B15/02C02F9/14C02F103/18C02F101/30
CPCB01D53/1425B01D53/1487B01D53/1493B01D53/18B01D53/185B01D2252/103B01D2258/0275B08B15/02C02F1/52C02F3/30C02F2101/30C02F2103/18
Inventor 高传强张温清司冠儒张琦周萍郭志忠姚中春
Owner ANHUI XUANJIU GRP
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