Apparatus for HCl synthesis with steam raising

A technology of steam bag and chlorine gas, which is applied in the direction of steam engine device, steam generation method using pressure combustion, steam superheating, etc., can solve complex and valuable heat not being used, problems and other problems, and achieve the goal of saving device cost Effect

Active Publication Date: 2013-05-01
SGL CARBON SE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The design of water-tube boilers is expensive and complex (e.g. product tolerances), i.e. cost-intensive, and also has the following disadvantages:
[0013] 2. Embodiments using thermal oil as the heat transfer medium are problematic
On the one hand, uneven distribution of the oil and overheating of the pipe walls cannot be avoided here, and on the other hand, the synthesis unit has to be placed in the tank for environmental reasons
[0014] 3. Separate heat transfer loops for thermal decoupling are always less efficient than direct evaporation
[0015] 4. The prior art is characterized by insufficient thermal coupling, since the product gas HCl is only cooled to about 1000°C
Therefore, valuable heat remains unused

Method used

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  • Apparatus for HCl synthesis with steam raising
  • Apparatus for HCl synthesis with steam raising

Examples

Experimental program
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Embodiment Construction

[0049] The device for carrying out the method is a drum boiler operating on the waste heat boiler principle. The waste heat boiler comprises a furnace body with an outer casing (11) and inner flame tubes which enclose a combustion chamber.

[0050] The HCl synthesis burner (1) is located at the opening of the flame tube (12), and the HCl synthesis burner (1) is provided with a hydrogen gas inlet (14) and a chlorine gas inlet (15). The combustion chamber is preferably delimited by a combustion chamber wall (12), for example made of steel and which may be formed with a corrosion-resistant cladding. The improved corrosion measurement probe (10) is installed within the confines of the boiler space (9), in the combustion space on the combustion chamber wall (12).

[0051] The flame direction of the flame (13) is shown from the bottom to the top. A tempering chamber (8) is located above the flame (13) with a steam collecting vessel (7) welded thereon, which is provided with a stea...

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PUM

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Abstract

What is described is an apparatus for performance of a process for hydrogen chloride synthesis from chlorine and hydrogen or from chlorine and hydrocarbons with integrated heat recovery, wherein the combustion chamber and the heat exchanger are arranged in the steam drum of a shell boiler which works according to the waste heat boiler principle.

Description

technical field [0001] The present invention relates to a plant for HCl synthesis with by-product steam raising, in which chlorine and hydrogen or chlorine and hydrocarbons are used as raw materials. HCl fractions, air or inert components may also be included in the feed if desired. A synthesis furnace and a heat exchanger to cool the reactants are integrated downstream as part of the steam generator. Background technique [0002] Shell boilers are commonly used to generate steam from fossil fuels. Furthermore, hydrocarbon-containing gases such as natural gas or hydrocarbon-containing oils such as fuel oil are mostly used as fuel. Combustion in the case of solid fuels such as hard coal has also been known for a long time. Typical combustion temperatures here are from 700°C up to about 1500°C. [0003] In the prior art, heat can be separated from the hydrogen chloride-containing flue gas by means of a steam generator, but in the case of a flame tube boiler or a water tube...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B7/01F22B1/22F22G1/14
CPCF01K23/064F22B1/22F22B37/025C01B7/012Y02P20/10Y02P20/129
Inventor 马库斯·弗兰兹瑟伦·格茨
Owner SGL CARBON SE
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