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Production device for refining dioctyl phthalate

A dioctyl phthalate and production device technology, which is applied in the field of refined dioctyl phthalate production device, can solve problems such as environmental pollution and waste of raw materials, and achieve equipment cost saving, heat preservation effect improvement, and convenience The effect of alcohol ester separation

Inactive Publication Date: 2016-08-10
ANQING SHENGFENG CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the production process of dioctyl phthalate, a large amount of waste water will be produced. The waste water contains some alcohols and esters. If it is not recycled in time, it will cause waste of raw materials on the one hand and pollute the environment on the other hand.

Method used

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  • Production device for refining dioctyl phthalate
  • Production device for refining dioctyl phthalate
  • Production device for refining dioctyl phthalate

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Embodiment Construction

[0044] Such as Figure 1-2 As shown, the present invention discloses a production device for refining dioctyl phthalate, including a neutralization, water washing, dealcoholization integrated kettle 1, a horizontal separation tank 2, a secondary static tank 3, a heating kettle 4, and waste water Tower 5, condenser 6, liquid separation tank 7 and plate and frame filter press.

[0045] Such as figure 2 , 3 , shown in 6, the neutralization, washing, dealcoholization integrated kettle 1 comprises a kettle body, the top of the kettle body is provided with an alcohol discharge port and an ester inlet, and the bottom of the kettle body is provided with a water outlet, a liquid outlet and an ester outlet.

[0046] The front end of the horizontal separation tank 2 is provided with a feed port, and the water outlet communicates with the feed port through a first pipeline 91 . The top of the rear end of the horizontal separation tank 2 is provided with a first ester return port, and ...

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Abstract

The invention discloses a production device for refining dioctyl phthalate, which includes neutralization, water washing, dealcoholization integrated kettle, horizontal separation tank, secondary static tank, heating kettle, waste water in sequence from front to back according to the process flow Towers, condensers, separatory tanks and plate and frame filter presses. The invention has the advantages of saving equipment cost, small floor area, convenient operation, dealcoholization efficiency, effective recovery of products and raw materials, reduction of environmental pollution, and reduction of later water treatment costs.

Description

technical field [0001] The invention relates to the technical field of dioctyl phthalate, in particular to a production device for refining dioctyl phthalate. Background technique [0002] Dioctyl phthalate is a general-purpose plasticizer, mainly used in the processing of polyvinyl chloride resin, and also in the processing of high polymers such as chemical resin, acetic acid resin, ABS resin and rubber, and can also be used in paint making , dyes, dispersants, etc., DOP plasticized PVC can be used to manufacture artificial leather, agricultural films, packaging materials, cables, etc. [0003] Except for cellulose acetate and polyvinyl acetate, it has good compatibility with most industrially used synthetic resins and rubbers. It has good comprehensive performance, good mixing performance, high plasticizing efficiency, low volatility, good low temperature softness, water extraction resistance, high electrical performance, good heat resistance and weather resistance. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C67/48C07C69/80
CPCC07C67/48
Inventor 向晨陈文博梅国启
Owner ANQING SHENGFENG CHEM CO LTD
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