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Ethylene vaporization system and preparation method thereof

A control method, ethylene technology, applied in the direction of container filling method, container discharge method, pressure vessel, etc., can solve the problems of increasing operating costs and so on

Inactive Publication Date: 2020-03-13
青岛海湾化学股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this process, high-quality energy steam is used, which increases operating costs

Method used

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  • Ethylene vaporization system and preparation method thereof

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Embodiment 1

[0041] see figure 1 As shown, the present invention provides an ethylene vaporization system, which includes an ethylene vaporizer 1, a heat medium supply device, and a circulating water pipeline 7. The heat medium supply device communicates with the ethylene vaporizer 1 to form a heat medium circulation loop. The heat medium supply device includes There is a heat exchange part, and the circulating water pipe 7 exchanges heat with the heat exchange part, so as to heat the heat exchange medium inside the heat exchange part through the circulating water.

[0042] In the above scheme, by using circulating water as a heat source to vaporize liquid ethylene, compared with the existing technology, the high-quality energy such as steam is saved, which brings huge economic benefits to the enterprise.

[0043] Preferably, the heat medium supply equipment selects a heat exchange medium with a boiling point lower than that of circulating water and higher than that of ethylene;

[0044] ...

Embodiment 2

[0054] This embodiment provides the control method of the ethylene vaporization system in the above embodiments. The ethylene vaporization system includes an ethylene vaporizer 1, a heat medium supply device, and a circulating water pipeline 7. The heat medium supply device communicates with the ethylene vaporizer 1 to form a heat medium circulation loop. The heat medium supply equipment includes a heat exchange part, and the circulating water pipe 7 exchanges heat with the heat exchange part. The control method includes: controlling the water flow in the circulating water pipe 7 to heat the heat inside the heat medium supply equipment The heat exchange medium vaporizes the liquid ethylene entering the ethylene vaporizer 1 through the heat exchange medium.

[0055] Preferably, the circulating water is controlled to heat the heat exchange medium, so that the heat exchange medium vaporizes and enters the ethylene vaporizer 1 to exchange heat with ethylene, and the heat exchange m...

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Abstract

The invention discloses an ethylene vaporization system. The ethylene vaporization system comprises an ethylene vaporizer and a heat medium supply device; the heat medium supply device communicates with the ethylene vaporizer to form a heat medium circulation loop; the heat medium supply device comprises a heat exchange part; and the ethylene vaporization system also comprises a circulating waterpipeline; wherein heat exchange is carried out between the circulating water pipeline and the heat exchange part so as to heat a heat exchange medium in the heat exchange part through circulating water. According to the invention, circulating water is adopted as a heat source to vaporize liquid ethylene, so that compared with the prior art, the ethylene vaporization system saves a high-quality energy source steam, and brings huge economic benefits to enterprises.

Description

technical field [0001] The invention relates to the technical field of liquid ethylene vaporization, in particular to an ethylene vaporization system which can save steam and has huge economic benefits and a control method thereof. Background technique [0002] After the company's normal production, ethylene is vaporized from the low-temperature ethylene tank farm, sent to the VCM plant as a raw material for direct chlorination and oxychlorination, and sent to the styrene plant as a raw material for benzene alkylation. Ethylene is stored in an ethylene tank in the form of a liquid phase at a temperature of about -101°C. It is used for transportation, using methanol as an intermediate vapor, heated by steam to vaporize it, and superheated to 20°C. During this process, low-temperature ethylene possesses a large amount of cold energy, which cannot be effectively utilized. At the same time, it consumes a large amount of heat energy of steam to be vaporized, resulting in a double...

Claims

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Application Information

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IPC IPC(8): F17C7/04F17C13/00
CPCF17C7/04F17C13/00F17C2223/013F17C2225/0123F17C2227/0316F17C2270/05
Inventor 高自建苗春葆夏建财张清亮孙业涛张泉纪业
Owner 青岛海湾化学股份有限公司
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