Hydrogen chloride removal device for purifying boron trichloride and boron trichloride purification system

A technology for purifying boron trichloride and hydrogen chloride, which is applied in the direction of boron halide compounds and boron halides, which can solve the problems of inaccurate refueling process, production delay, reaction suspension, etc., and achieve the effect of increasing continuity and automation

Active Publication Date: 2022-06-03
福建福豆新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above reaction can only be carried out intermittently, and needs to be replaced after the alkaline earth metal boride on the filler is consumed.
The replacement process not only pauses the response and delays production, but also the refueling process is not precise enough

Method used

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  • Hydrogen chloride removal device for purifying boron trichloride and boron trichloride purification system
  • Hydrogen chloride removal device for purifying boron trichloride and boron trichloride purification system
  • Hydrogen chloride removal device for purifying boron trichloride and boron trichloride purification system

Examples

Experimental program
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Effect test

Embodiment 1

Please refer to figure 1, this embodiment provides a hydrogen chloride removal device 100 for purifying boron trichloride, which includes an upper pipe body 111, a first reaction unit and a second reaction unit arranged in parallel, a lower pipe body 112, a nitrogen device 113 and data Terminal 114. The upper pipe body 111 , the first reaction unit and the second reaction unit arranged in parallel, and the lower pipe body 112 are connected in sequence. The nitrogen plant 113 is connected to the first reaction unit and the second reaction unit. The data terminal 114 is connected to the upper pipe body 111 , the first reaction unit and the second reaction unit arranged in parallel, and the lower pipe body 112 .

[0025] Please continue to refer to figure 1 , the first reaction unit includes a first inlet branch pipe 120 , a first reaction bed 130 , a first temperature control assembly 140 , a first waste residue storage tank 150 , a first feeding device 160 and a first gas out...

Embodiment 2

Please refer to Figure 5 , the present example provides a purification system 300 for boron trichloride, which includes a crude product supply device 310, a de-heavy rectification tower 320, a de-light rectification tower 330, and a dehydrochlorination device for purifying boron trichloride, which are sequentially connected. 100 , filter 340 , and condensing device 350 .

[0038] In summary, the present invention relates to a dehydrochlorination device for purifying boron trichloride and a purification system for boron trichloride. By connecting at least two reaction beds in parallel, the reaction beds work alternately, thereby realizing the continuous production of the entire process; , the feeding device and other components cooperate to realize the automatic replacement of the filler coated with alkaline earth metal boride, which further increases the continuity and automation of the entire process.

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PUM

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Abstract

The invention discloses a hydrogen chloride removal device for purifying boron trichloride and a boron trichloride purification system, and relates to the technical field of boron trichloride purification. The hydrogen chloride removal device for purifying boron trichloride comprises an upper pipe body, at least two reaction beds arranged in parallel, temperature control assemblies in one-to-one correspondence with the reaction beds, a lower pipe body, a waste residue storage tank, a feeding device, a nitrogen device and a data terminal, and a feed port, a nitrogen inlet and a slag outlet of the reaction bed and a switch of the temperature control assembly are connected to a data terminal. The boron trichloride purification system comprises a crude product supply device, a heavy component removal rectifying tower, a light component removal rectifying tower, a hydrogen chloride removal device for purifying boron trichloride, a filter and a condensing device which are connected in sequence. According to the hydrogen chloride removal device for purifying the boron trichloride and the boron trichloride purification system, continuous production is realized by connecting at least two reaction beds in parallel, and automatic replacement of the filler coated with the alkaline earth metal boride is realized through cooperation of the reaction beds, the feeding device and other parts.

Description

technical field [0001] The invention relates to the technical field of boron trichloride purification, in particular to a hydrogen chloride removal device for purifying boron trichloride and a purification system for boron trichloride. Background technique [0002] Boron trichloride, the molecular formula is BCl 3 , a wide range of applications. In the field of pharmaceutical intermediates, boron trichloride can be used to prepare carboxylate. In the field of fine chemicals, boron trichloride can be used as a catalyst. In the field of steel manufacturing, boron trichloride can boride steel. In the field of silicate processing, boron trichloride is an indispensable flux. Boron trichloride is also an important raw material for many borane compounds. In addition, boron trichloride can be used as a rocket propellant in the aerospace field. The most important thing is that in semiconductor manufacturing, boron trichloride can be mixed with other gases to form thin films by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B35/06
CPCC01B35/061Y02P20/10
Inventor 马建修靖宇杜文东
Owner 福建福豆新材料有限公司
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