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Method for purifying and deodorizing tail gas generated in production process of fermented cordyceps powder

A technology for fermenting Cordyceps fungus powder and production process, applied in chemical instruments and methods, separation methods, gas treatment, etc. The effect of improving spray efficiency

Inactive Publication Date: 2019-04-09
江西省药明扬海医药科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the disadvantages of heavy tail gas odor produced in the production process of fermented Cordyceps fungus powder treated by the existing technology, and the processing capacity is difficult to meet the new emission standards of VOCs in the national pharmaceutical industry.

Method used

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  • Method for purifying and deodorizing tail gas generated in production process of fermented cordyceps powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] 1) Set the start-up temperature of the heat exchange system at 40°C. The spray liquids of the spray towers at all levels are sodium hypochlorite, sodium hydroxide, water, and sodium hydroxide in sequence; the concentration ranges of the spray liquids are 4%, 2%, and 100% in sequence. %, 6%; the initial spray speed is set to 0.

[0031] 2) After the exhaust gas from the fermentation tank produced in the production process of the fermented Cordyceps powder is separated by the cyclone separator, the non-condensable gas enters the exhaust gas monitoring buffer room equipped with temperature and gas concentration monitoring sensors. According to the monitoring data of the monitoring sensors, the solenoid valve is automatically controlled And the blower selectively passes the non-condensable gas through the heat exchange system, the first-level spray tower system, the second-level spray tower system, the third-level spray tower system, and the fourth-level spray tower system. ...

Embodiment 2

[0034] 1) Set the start-up temperature of the heat exchange system at 40°C, and the spray liquids of the spray towers at all levels are sodium hypochlorite, sodium hydroxide, water, and sodium hydroxide in sequence; the concentration ranges of the spray liquids are 2%, 2%, and 100 %, 2%; the initial spray speed is set to 0.

[0035] 2) After the waste gas from the extraction post space generated during the production process of fermented Cordyceps powder is separated by the cyclone separator, the non-condensable gas enters the waste gas monitoring buffer room equipped with temperature and gas concentration monitoring sensors. According to the monitoring data of the monitoring sensors, the self-control solenoid valve and The blower selectively passes the non-condensable gas through the heat exchange system, the first-level spray tower system, the second-level spray tower system, the third-level spray tower system, and the fourth-level spray tower system. After the mist is remov...

Embodiment 3

[0038] 1) Set the start-up temperature of the heat exchange system at 40°C. The spray liquids of the spray towers at all levels are sodium hypochlorite, sodium hydroxide, water, and sodium hydroxide in sequence; the concentration ranges of the spray liquids are 7%, 2%, and 100% in sequence. %, 10%; the initial spray speed is set to 0.

[0039] 2) After the dry waste gas from the production process of fermented Cordyceps powder is separated by the cyclone separator, the non-condensable gas enters the waste gas monitoring buffer room equipped with temperature and gas concentration monitoring sensors. According to the monitoring data of the monitoring sensors, the self-control solenoid valve and blower will The non-condensable gas selectively passes through the heat exchange system, the first-level spray tower system, the second-level spray tower system, the third-level spray tower system, and the fourth-level spray tower system. Evacuate through the chimney after removing the mi...

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Abstract

The invention discloses a method for purifying and deodorizing tail gas generated in the production process of fermented cordyceps powder. The method comprises the following steps: separating system tail gas generated in the production process of the fermented cordyceps by a cyclone separator (10), causing non-condensable gas to enter an exhaust gas monitoring buffer room (11) with a temperature and gas concentration monitoring sensor, causing the non-condensable gas to selectively pass a heat exchange system (2), a one-stage spray tower system (4), a two-stage spray tower system (5), a three-stage spray tower system (6) and a four-stage spray tower system (7) through the self-control of a magnetic valve and an air blower according to the monitoring data of the monitoring sensor, removingentrainment in the tail gas reaching the standard through online testing by a reset demister (8), and then discharging through a chimney (9).

Description

Technical field: [0001] The invention belongs to the field of industrial waste gas treatment, and in particular relates to a tail gas purification and deodorization method produced in the production process of fermented Cordyceps powder. technical background: [0002] Chinese cordyceps, Ophiocordyceps sinensis (Berk.) G.H.Sung et al. is the dry body of the sclerotia and stroma formed by Cordyceps fungus parasitizing on the larvae of bat moths. The amount of clinical use is increasing day by day. However, Cordyceps sinensis is only distributed in the alpine meadows at an altitude of 3000-5000m on the Qinghai-Tibet Plateau, which has a special habitat and extremely limited natural resources. Coupled with artificial over-excavation, wild Cordyceps sinensis resources are decreasing year by year. The fermented Cordyceps powder produced by our company is produced by fermentation of the strains isolated from natural Cordyceps by the Institute of Materia Medica, Chinese Academy of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/16B01D53/18B01D53/14
CPCB01D45/16B01D53/1406B01D53/1456B01D53/1468B01D53/1487B01D53/18B01D2247/10B01D2257/304B01D2257/406B01D2257/708
Inventor 邓愍民万义斌葛友群左飞鸿杨明李进进何琳吴彪匡萃标周艳华
Owner 江西省药明扬海医药科技有限公司
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