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Hydrogen chloride synthesizer capable of generating coproduct high pressure steam and synthesis process of synthesizer

A high-pressure steam, synthesis device technology, applied in chlorine/hydrogen chloride, steam generation, steam generation methods, etc., can solve the problems of no anti-corrosion and anti-seismic treatment, unpublished data range, etc.

Inactive Publication Date: 2015-08-12
GUIZHOU LANXIN GRAPHITE MECHANICAL & ELECTRICAL EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention does not disclose the specific data range involved in the structure, as well as the process parameters that match the production process, and there is no corresponding anti-corrosion and anti-seismic treatment, so it cannot be directly used in production practice

Method used

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  • Hydrogen chloride synthesizer capable of generating coproduct high pressure steam and synthesis process of synthesizer
  • Hydrogen chloride synthesizer capable of generating coproduct high pressure steam and synthesis process of synthesizer
  • Hydrogen chloride synthesizer capable of generating coproduct high pressure steam and synthesis process of synthesizer

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Embodiment Construction

[0040] likefigure 1 , 2 , the hydrogen chloride synthesis device of by-product high-pressure steam shown in 3 has synthesis furnace, flash tank, preheater, and synthesis furnace is made up of the graphite synthesis section of furnace bottom, the steel steam generation section of middle part and the cooling section of top, The hydrogen chloride outlet is located below the cooling section; among them, the steel steam generation section adopts thick-walled steel pipes with an outer diameter of 80mm and flat steel interlaced welded to form a closed cylindrical wall for the synthesis gas to pass through, and the steel pipes on the wall Provide water vapor to pass through and cool down the synthesis gas and absorb the heat of reaction;

[0041] The cooling section is composed of a steel shell, a graphite cylinder in the middle and a steel inner shell. The central axial hole surrounded by the steel inner shell is used for the rising hydrogen sulfide to flow. Numerous axial gas chann...

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Abstract

The invention provides a hydrogen chloride synthesizer capable of generating a coproduct high pressure steam and a synthesis process of the synthesizer. A synthesis furnace is composed of a graphite synthesis section at the bottom of the furnace, a steel steam generation section at the middle part, a transition section, and a cooling section at the top of the furnace; the steel steam generation section is provided with a closed cylindrical wall formed by welding steel pipes and flat steels in a staggered manner; the inner diameter of the transition section is a gradually reduced diameter in a diameter reduction ratio of 1: (0.86-0.7) from bottom to top; a water vapor outlet is communicated with the upper part of a flash tank; the flash tank is connected with an automatic control valve and a steam outlet; a water vapor inlet is communicated with the lower part of the flash tank. The hydrogen chloride synthesizer has a special structure of two-stage heat exchange and the transition section, and therefore, the hydrogen chloride gas temperature at the outlet can be effectively reduced; the produced hydrogen chloride gas is used for producing high-purity hydrochloric acid; the effect of heat exchange between cooling water and the hydrogen chloride is good.

Description

technical field [0001] The invention relates to a hydrogen chloride synthesis device and a synthesis process thereof. Background technique [0002] Hydrogen chloride is generally synthesized by the reaction of chlorine and hydrogen, and a large amount of heat of reaction will be released during the synthesis of chlorine and hydrogen. The recovery of these heats is of great significance to energy saving, emission reduction, and improvement of economic benefits. The by-product steam hydrogen chloride synthesis furnace is an energy-saving equipment that recovers the heat of reaction to produce water vapor by-product. At present, the evaporation section of the by-product steam synthesis furnace has two structures: graphite and steel. Steel has strong pressure resistance and can produce high-pressure steam by-product, so it has received widespread attention. However, the heat exchange effect of graphite synthesis furnaces currently used in China is not good in the high-temper...

Claims

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Application Information

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IPC IPC(8): C01B7/01F22B1/00
Inventor 赵桂花
Owner GUIZHOU LANXIN GRAPHITE MECHANICAL & ELECTRICAL EQUIP MFG
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