Vacuum rotational flow exchange device and control method thereof
A control method and flow exchange technology, which is applied in the field of acetone extraction and ethanol extraction, can solve the problems of pollution, waste of materials and the environment
Pending Publication Date: 2022-03-08
中国船舶重工集团公司第七0三研究所
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Problems solved by technology
[0002] In the production process of raw material drug extraction and concentration using ethanol (or acetone) as a solvent, the currently used reduced-pressure concentration production process, when the vacuum fluctuates, part of the ethanol (or acetone) that has not been completely condensed in the gas phase is blown together with the vacuum gas. Pumped into the vacuum pump and discharged into the atmosphere, causing waste of materials and environmental pollution
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[0020] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0021] combine Figure 1-7 , the basic technological process of the vacuum swirl retarding device of the present invention is as follows figure 1 As shown, port a is the gas outlet, port b is the gas inlet, port c is the refrigerant outlet, port d is the refrigerant inlet, ports e1 and e2 are gas communication ports, ports f1 and f2 are liquid communication ports, and port g is recovery Liquid outlet, h is the condensation chamber, i is the recovery chamber. The vacuum steam recovered on site enters interface a, and after being condensed in the condensation chamber h, the vacuum steam is pumped from interface b to the vacuum unit. Refrigerant flows in from port d and flows out from port c. The interfaces e1 and e2 are connected with pipelines by valves to realize vacuum communication. The interfaces f1 and f2 are connected with valves and pipelines to realize ...
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The vacuum rotational flow exchange device comprises a shell, the interior of the shell is divided into an upper condensation chamber and a lower recovery chamber, a gas outlet is formed in the top of the condensation chamber, a gas inlet, a refrigerant inlet and a refrigerant outlet are formed in the side of the condensation chamber, and a recovery liquid outlet is formed in the bottom of the recovery chamber. A first gas communication port, a second gas communication port, a first liquid communication port and a second liquid communication port are formed in the side of the recovery chamber, a vacuum gas outlet automatic valve is arranged at a gas outlet, a vacuum steam inlet automatic valve is arranged at a steam inlet, a refrigerant outlet automatic valve is arranged at a refrigerant outlet, and a refrigerant inlet automatic adjusting valve is arranged at a refrigerant inlet. The first gas communication port is provided with a vacuum communication automatic valve, the second communication port is provided with a vacuum breaking automatic valve, the first liquid communication port and the second liquid communication port are provided with condensation communication automatic valves, and a recovery chamber liquid level transmitter is arranged in the recovery chamber. According to the invention, full-automatic collection and transfer of condensate are realized.
Description
technical field [0001] The invention relates to a device and method for extracting ethanol and acetone. Background technique [0002] In the production process of raw material drug extraction and concentration using ethanol (or acetone) as a solvent, the currently used reduced-pressure concentration production process, when the vacuum fluctuates, part of the ethanol (or acetone) that has not been completely condensed in the gas phase is blown together with the vacuum gas. It is drawn into the vacuum pump and discharged into the atmosphere, resulting in waste of materials and environmental pollution. Therefore, it is necessary to provide a new system and method for recovering ethanol (or acetone) from vacuum to solve the above technical problems. Contents of the invention [0003] The object of the present invention is to provide a vacuum swirl exchange device and a control method thereof which can improve the recovery efficiency of ethanol or acetone and reduce discharge ...
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IPC IPC(8): B01D5/00
CPCB01D5/0003
Inventor 孙秀光冯贵墨赵旭王振华张华庆王硕李强赵佳琪高斌
Owner 中国船舶重工集团公司第七0三研究所