Environmental-protection cleaning device and process method for separating organic azeotropes

A technology for cleaning devices and azeotropes, applied in separation methods, distillation separation, chemical instruments and methods, etc., can solve problems such as environmental pollution

Pending Publication Date: 2018-05-08
烟台国邦化工机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the solution contains toluene in addition to acetic acid and water, then adding other components will introduce new impurities, thereby generating new hazardous waste and causing environmental pollution.

Method used

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  • Environmental-protection cleaning device and process method for separating organic azeotropes
  • Environmental-protection cleaning device and process method for separating organic azeotropes
  • Environmental-protection cleaning device and process method for separating organic azeotropes

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Embodiment Construction

[0025] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0026] Such as figure 1 As shown, an environmentally friendly cleaning device for separating organic azeotropes includes a rectification unit, and the rectification unit includes a rectification kettle 1, a rectification tower 2, a condenser 3, a reflux ratio distributor 4, and a first cooler 5 , separation receiving tank 6, tail cooler 7, tail cooler tank 8; the rectification still 1 is arranged at the lower end of the rectification tower 2, the inside of the rectification still 1 is provided with a first heater 9, and the rectification still 1 The rectification tower 2 is communicated; the rectification tower 2 top is communicated with the condenser 3 inlet; the condenser 3 outlet is communicated with the reflux r...

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PUM

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Abstract

The invention discloses an environmental-protection cleaning device and process method for separating organic azeotropes. According to the device, a rectifying kettle is arranged at the lower end of arectifying tower, the interior of the rectifying kettle is provided with a first heater, and the rectifying kettle communicates with the rectifying tower; the top of the rectifying tower communicateswith an inlet of a condenser; an outlet of the condenser communicates with a reflux ratio distributor; one end of the reflux ratio distributor communicates with the rectifying tower, and the other end of the reflux ratio distributor communicates with a first condenser inlet; at least one separation substance receiving tank is arranged, inlets of all the separation substance receiving tanks are jointly connected to a first condenser outlet, and outlets of all the separation substance receiving tanks are jointly connected with a tail cooler inlet; a tail cooler communicates with a tail coolingtank. A third component is added to two or more intermiscible components having minimum azeotropic composition or having an association phenomenon, the two separation material systems can be separated, no new hazardous wastes can be produced, new impurities can be prevented from being brought in, and the device and the method are clean and environmentally friendly.

Description

technical field [0001] The invention relates to an environment-friendly cleaning device for separating organic azeotropes, belonging to the technical field of organic azeotropes separation. Background technique [0002] Azeotrope refers to a mixture of various insoluble or slightly soluble substances (between solids or between liquids). No matter how its composition changes, its boiling point is a fixed value, and its evaporation composition is fixed until the one with the least amount evaporates completely. . When the azeotrope reaches its azeotropic point, since the composition ratio of the gas part produced by its boiling is exactly the same as that of the liquid part, it is impossible to separate the solution components by distillation. That is to say, the two components of the azeotrope cannot be separated by simple distillation or fractional distillation. [0003] Azeotrope refers to a mixture of various phase-soluble liquids. When there is a positive or negative vap...

Claims

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Application Information

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IPC IPC(8): B01D3/14B01D3/42
CPCB01D3/143B01D3/4205Y02P20/10
Inventor 张春灵毛学峰于秀刚李小刚李晓宁
Owner 烟台国邦化工机械科技有限公司
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