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Ethanol purification device with accurate temperature control

An ethanol and equipment technology, which is applied in the field of ethanol purification equipment with precise temperature control, can solve the problems of poor purification effect and unreachable ethanol concentration.

Inactive Publication Date: 2013-06-05
SICHUAN PHARMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing ethanol purification method adopts a one-time purification method, and the purification effect is not good, and the concentration of ethanol cannot reach the standard of absolute ethanol, so the purified ethanol also needs to add other concentration equipment, such as water bath purification

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The rough purification system includes a heating tank B connected to the ethanol raw material inlet, and a heating tank A connected to the heating tank B. The heating tank B and the heating tank A are connected to a heater C at the same time, and the heater C is also connected to a dehydration tank. The dehydration tower includes an ethanol outlet and a dehydration outlet, and the ethanol outlet of the dehydration tower is connected to a fine purification system.

[0016] The fine purification system includes a heater A connected to the ethanol discharge port, the heater A is connected with a heater B and an ethanol purification tower in turn, and the ethanol purification tower includes an anhydrous ethanol discharge port, and is respectively arranged in the ethanol purification Two ethanol vapor feed ports at the bottom of the tower and the sidewall, the heater A is also connected to the ethanol vapor feed port on the side wall, and the ethanol vapor feed port at the bo...

Embodiment 2

[0022] The present invention can be preferably carried out as described above.

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Abstract

The invention discloses an ethanol purification device with accurate temperature control. The ethanol purification device with the accurate temperature control mainly comprises an ethanol raw material inlet, a crude purification system connected to the ethanol raw material inlet and a refined purification system connected to the crude purification system. The ethanol purification device with the accurate temperature control has the advantages that the concentration of ethanol can be purified to reach 98% by using one set of device, and the concentration of absolute ethyl alcohol can be met.

Description

technical field [0001] The invention relates to ethanol purification equipment, in particular to ethanol purification equipment with precise temperature control. Background technique [0002] Alcohol is a colorless, transparent, volatile, flammable, and non-conductive liquid. It has the smell of wine and a stimulating spicy taste, slightly sweet. The scientific name is ethanol, the molecular formula is C2H6O, (alcohol burns C2H5OH+3O2=2CO2+3H2O) because its chemical molecular formula contains hydroxyl, so it is called ethanol, and its specific gravity is 0.7893 (20 / 4°). The boiling point of alcohol is 78.3°C, which is lower than that of water. [0003] The existing ethanol purification method adopts a one-time purification method, but the purification effect is not good, and the concentration of ethanol cannot reach the standard of absolute ethanol. Therefore, the purified ethanol also needs to add other concentration equipment, such as water bath method for purification. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C29/80C07C31/08B01D3/14B01D3/42
Inventor 陈继源
Owner SICHUAN PHARMA
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