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Fumaric acid two-effect countercurrent evaporator pipeline

An evaporator tube and fumaric acid two technology, which is applied in the field of fumaric acid two-effect countercurrent evaporator pipeline, can solve the problems of fumaric acid production wastewater discharge damage, etc., and achieve the effect of capacity reduction and capacity reduction

Active Publication Date: 2019-11-05
新泰市中泰新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the technical problem to be solved in the present invention is to overcome the problem that the fumaric acid production wastewater in the prior art is discharged into the environment and causes serious damage

Method used

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  • Fumaric acid two-effect countercurrent evaporator pipeline
  • Fumaric acid two-effect countercurrent evaporator pipeline
  • Fumaric acid two-effect countercurrent evaporator pipeline

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Embodiment Construction

[0043] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0044] The embodiment of the present invention provides a fumaric acid two-effect countercurrent evaporator pipeline, such as figure 1 shown, including:

[0045] A heating separation device 1, the water inlet of the heating separation device 1 communicates with the water outlet of the raw material pool 2;

[0046]A condensing device 3 , the inlet end of the condensing device 3 communicates with the gas outlet end of the heating separation device 1 , and the water outlet of the condensing device 3 discharges the condensed water.

[0047] The working principle of the above technical solution: the fumaric acid production wastewater in the raw material pool 2 passes th...

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Abstract

The invention relates to a fumaric acid two-effect countercurrent evaporator pipeline, which comprises a heating separation device and a condensing device; wherein a water inlet of the heating separation device is communicated with a water outlet of a raw material pool, an air inlet end of the condensing device is communicated with an air outlet end of the heating separation device, and a water outlet of the condensing device discharges condensed water. The fumaric acid two-effect countercurrent evaporator pipeline has small environmental pollution and high condensation efficiency.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a fumaric acid two-effect countercurrent evaporator pipeline. Background technique [0002] As a basic chemical raw material, fumaric acid is widely used in the production of polyester, synthetic resin, rosin ester, aspartic acid sweetener, and the copolymer of reflux and vinyl acetate is a good binder. [0003] At present, the process of producing fumaric acid is mainly to spray acid water with phthalic anhydride tail gas to reach a certain temperature after decolorization by heating up and under the action of isomerization agent (thiourea), the maleic acid in the acid water is converted into transbutene. The diacid and fumaric acid aqueous solution are cooled to precipitate fumaric acid crystals, and the finished product fumaric acid is obtained after centrifugal drying and drying. Fumaric acid production wastewater has the characteristics of low pH va...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04C07C57/15C02F103/36
CPCC02F1/043C02F1/048C02F2103/36C02F2301/08C07C57/15
Inventor 邹侦宝马新东郑军生
Owner 新泰市中泰新材料科技有限公司