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Vaporizer

A vaporizer and container technology, which is applied in the types of heat exchangers, indirect heat exchangers, dehydration of hydroxyl-containing compounds to prepare ether, etc., can solve the problems of low vaporization efficiency of vaporizers, improve vaporization efficiency, increase evaporation area, and maintain handy effect

Inactive Publication Date: 2012-01-25
SHANGHAI WUJING CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defect of low vaporization efficiency of the existing vaporizer, and provide a vaporizer that can improve the vaporization efficiency and shorten the overall preparation process cycle of dimethyl ether by dehydration of liquid phase methanol

Method used

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Embodiment Construction

[0025] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.

[0026] Take the process of preparing dimethyl ether by dehydration of methanol in liquid phase as an example, such as Figure 1 ~ Figure 3 As shown, the present invention specially designs a horizontal vaporizer, which includes a container 4 and a heating device 17 disposed in the container 4 , the heating device 17 has a pipe box 2 . Through the tube box 2 , an external heat source can be continuously input into the heating device 17 , so as to heat and vaporize the liquid-phase methanol in the container 4 . Wherein, the heating device 17 is used for heating the liquid in the container 4, and the pipe box 2 is connected with the heating device 17, and the steam of the external heat can be cyclically input into the heating device 17, and the condensed water output from the heating device...

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Abstract

The invention discloses a vaporizer, which comprises a container and a heating device. The container is at least provided with one feed pipe and one discharge pipe; and the heating device is arranged in the container and provided with a group of heat exchange members. The invention also discloses application of the vaporizer in a process of preparing dimethyl ether by dehydrating liquid phase methanol. The vaporizer of the invention has the advantages of high vaporization efficiency, stable operation and control, safe use and convenient maintenance in the process of preparing the dimethyl ether by dehydrating the liquid phase methanol.

Description

technical field [0001] The invention relates to a vaporizer used for heating vaporization, in particular to a vaporizer used in the process of preparing dicarbonate by vaporizing alcohols. Background technique [0002] In the process of preparing dicarbon compounds by vaporizing alcohols in the chemical industry, such as the process of preparing dimethyl ether by dehydrating liquid-phase methanol, the first thing is to send liquid-phase methanol into the vaporizer for vaporization. Most of the existing vaporizers pass liquid phase methanol into a cylindrical container, and a heating device is housed in the container. The heating device communicates with the external hot steam, and through a tube box, the hot steam is circulated and continuously sent to the heating device, thereby vaporizing the liquid phase methanol. Most of the existing vaporizers are tower type. Although it can also heat the liquid introduced, because its heating device is generally located at the bottom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/06F28D1/047C07C41/09
Inventor 张炳琦毛玥陈大胜李彩云姚民忠马永光
Owner SHANGHAI WUJING CHEM
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