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Device and method for recycling rectification tail gas through evaporator condensation method

An evaporator and condensation method technology, which is applied in the field of rectification tail gas recovery and treatment, can solve the problems of inconvenient recovery method, unsatisfactory recovery efficiency, complex structure, etc., and achieve the effects of increasing air pressure, high heating efficiency, and convenient condensation recovery

Pending Publication Date: 2019-11-22
云南国润香料制造有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the rectification tail gas recovery device has a complex structure, the recovery method is inconvenient, and the recovery efficiency is not ideal. Therefore, the present invention combines the evaporator condensation method to propose a device and method for recovering the rectification tail gas by the evaporator condensation method

Method used

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  • Device and method for recycling rectification tail gas through evaporator condensation method
  • Device and method for recycling rectification tail gas through evaporator condensation method
  • Device and method for recycling rectification tail gas through evaporator condensation method

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Embodiment 1

[0030] Embodiment one, with reference to figure 1 , one A device for recovering rectification tail gas by evaporator condensation method, comprising a base 1, a recovery tower 6 is arranged on the base 1, an evaporator 2 is arranged at the inner bottom of the recovery tower 6, and a condensation bin 12 is arranged at the top of the recovery tower 6, The top of the evaporator 2 communicates with the condensing chamber 12 through the connecting pipe 5, and the connecting pipe 5 is provided with a pressure relief valve 4; the base 1 is provided with a nitrogen tank 17, and the nitrogen tank 17 communicates with the evaporator 2 through a booster pipe 18, The booster pipe 18 is provided with a booster pump 21, and the booster pump 21 is fixed on the base 1; the present invention uses the mixture of high-pressure nitrogen and rectification tail gas to increase the pressure in the evaporator 2, and the stable physical and chemical properties of nitrogen ensure boosting security. ...

Embodiment 2

[0036] Embodiment two, refer to figure 2 The only difference between this embodiment and embodiment one is:

[0037] The inner wall of the evaporator 2 is a ceramic inner wall, and the bottom of the evaporator 2 is provided with a plurality of laser tubes 25, and the lower side of the base 1 is provided with a laser generator 26 connected to the laser tubes 25, and the laser tubes 25 are arranged in a divergent shape; Using laser to heat the rectification tail gas, the high heating efficiency makes the rectification tail gas quickly vaporized, which is convenient for subsequent condensation and recovery.

[0038] see image 3 : the method that evaporator condensation method reclaims rectification tail gas in embodiment one and embodiment two, comprises the steps:

[0039]S1. Evaporate the waste gas containing rectification tail gas at high temperature and high pressure in the evaporator;

[0040] S2. Condensing the high-temperature and high-pressure rectification tail gas ...

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Abstract

A device for recycling rectification tail gas through an evaporator condensation method is disclosed. The device comprises a base, wherein a recovery column is arranged on the base, an evaporator is arranged at the bottom in the recovery column, a condensation bin is arranged at the top of the recovery column, the top of the evaporator is communicated with the condensation bin, a medium pressurizing mechanism is arranged on the base, and the medium pressurizing mechanism is communicated with the evaporator. The invention provides the device and a method for recovering rectification tail gas byan evaporator condensation method. According to the device, the medium pressurizing mechanism is ingeniously designed, waste gas containing rectification tail gas is pressurized through the medium pressurizing mechanism, the air pressure in the evaporator is increased, gasification and temperature rise of the rectification tail gas in the evaporator are facilitated, the rectification tail gas enters the condensation bin to be condensed in the high-temperature and high-pressure state, and target substances in the rectification tail gas are obtained. High-pressure nitrogen and rectification tail gas are further mixed, the air pressure in the evaporator is improved, and the stable physicochemical property of the nitrogen ensures the safety of pressurization.

Description

technical field [0001] The invention belongs to the technical field of rectification tail gas recovery and treatment, and specifically relates to a device and method for recovering rectification tail gas by evaporator condensation. Background technique [0002] Distillation is a separation process that uses the different volatilities of the components in the mixture to separate the components. Commonly used equipment includes plate distillation towers and packed distillation towers. The principle and equipment process of precision distillation are the same as ordinary distillation, except that the relative volatility of the components in the system to be separated is small (<1.05~1.10), so high-efficiency precision packing is used to achieve the separation of the components to be separated Purify. In natural essential oils, the raw material for the production of isolated spices, isomers often coexist. For example, citronellol and rhodinol that coexist in natural essentia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/00B01D3/14B01D3/32
CPCB01D3/00B01D3/14B01D3/32
Inventor 毛刚
Owner 云南国润香料制造有限公司
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