Dimethyl ether heating and gasifying method

A technology of dimethyl ether and secondary heating, which is applied in the direction of combustion method, liquid fuel supply/distribution, etc., can solve the problems of combustion efficiency impact, increased production cost, insufficient gasification, etc., and achieve the effect of maximizing energy utilization

Inactive Publication Date: 2014-07-16
GUIZHOU XINGHUA CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, dimethyl ether gasification has been used as fuel for industrial boilers to some extent, but in actual operation, dimethyl ether consumes a lot of heat energy during the gasification process

Method used

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Examples

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Embodiment Construction

[0011] In order to illustrate the present invention, the implementation of the technical solutions of the present invention will be further described in detail below in conjunction with specific examples.

[0012] The invention provides a heating and gasification method of dimethyl ether, which is characterized in that the condensate of the vaporization tower is connected to the dimethyl ether stripping tower through a pipeline, and the dimethyl ether is heated and gasified by using the heat of the condensate of the vaporization tower operate.

[0013] Preferably, the embodiment of the present invention can also have the following features: the condensate from the vaporization tower can be reheated to the dimethyl ether stripping tower.

[0014] Preferably, the embodiment of the present invention may also have the following characteristics: the pipe is a pipe with a diameter of 89mm.

[0015] Although the embodiments disclosed in the present invention are as above, the conten...

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Abstract

The invention discloses a dimethyl ether heating and gasifying method. The method is characterized in that a pipe disposed in condensate of a gasifying column is connected to a dimethyl ether stripping column, and dimethyl ether is heated and gasified by heat from the condensate of the gasifying column. The method is applicable to the technical field of urea production. According to the method, dimethyl ether can be heated and gasified by making full use of heat from other devices, and energy resources can be maximally utilized.

Description

technical field [0001] The invention relates to the technical field of urea production, in particular to a dimethyl ether heating gasification method. Background technique [0002] At present, with the development of science and technology, more and more fields have applied the substance of dimethyl ether. As a basic chemical raw material, dimethyl ether has many unique uses in chemical industries such as pharmaceuticals, fuels, and pesticides due to its good characteristics of easy compression, condensation, and vaporization. For example, high-purity dimethyl ether can replace freon as an aerosol propellant and refrigerant, reducing pollution to the atmospheric environment and damage to the ozone layer. Due to its good water solubility and oil solubility, its application range is much better than that of propane, butane and other petrochemicals. Replacing methanol as a new raw material for formaldehyde production can significantly reduce the cost of formaldehyde productio...

Claims

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Application Information

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IPC IPC(8): F23K5/22
Inventor 瞿道兵田维略陈继峰刘宽勇佘贵连何港玲
Owner GUIZHOU XINGHUA CHEM
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