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Heat accumulation tubular reaction system

A tube-and-tube reaction and reaction system technology, which is applied in the field of thermal storage and tube-and-tube reaction systems, can solve problems such as energy waste, uneven reaction gas completion temperature, and uneven temperature field of reaction tubes, so as to reduce the amplification effect and eliminate volume Expansion problems, effects of temperature uniformity and stability

Pending Publication Date: 2017-05-31
SHENWU TECH GRP CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide a heat storage tubular reaction system, which mainly solves the problems of uneven temperature of the reaction gas from entering to the completion of the reaction, uneven temperature field of the reaction tube, and energy waste in the reaction process in the prior art

Method used

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Embodiment

[0051] Such as figure 1 As shown, a heat storage shell and tube reaction system for the production of benzene and ethylene from acetylene, the heat storage shell and tube reactor reaction system includes: oil and gas pipelines, burners, shell and tube heat exchangers, heat storage bodies, A combustion chamber, a tubular reactor, a reversing valve, an induced draft fan and a porous fire-resistant wall; the combustion chamber contains a tubular reactor, two porous fire-resistant walls, and two burners are symmetrically distributed on both sides of the combustion chamber; The material of the tube reactor can be quartz, ceramic or stainless steel; each burner has a separate oil and gas pipeline, which is connected to a separate heat storage chamber; each heat storage chamber is filled with heat storage materials, and the heat storage Tubes are evenly distributed in the material; the regenerator is connected to the reversing valve, and the reversing valve is connected to the induce...

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Abstract

The invention relates to a heat accumulation tubular reaction system. The system comprises a tubular reactor and a heat accumulation tubular heating device, wherein the heat accumulation tubular heating device comprises a left heat accumulation chamber, a right heat accumulation chamber, a combustion chamber and an oil gas pipeline; the left heat accumulation chamber and the right heat accumulation chamber are connected with a reversing valve through pipelines respectively; the reversing valve is connected with a combustion-supporting air inlet and a combustion gas outlet respectively; the left heat accumulation chamber and the right heat accumulation chamber are connected with the combustion chamber through burner nozzles respectively; the combustion chamber is internally provided with a left porous fire-proof wall and a right porous fire-proof wall; the tubular reactor is arranged in the combustion chamber and is located between the two porous fire-proof walls; a reaction gas outlet, which penetrates through the top of the combustion chamber, is formed in the upper end of the tubular reactor; a reaction gas inlet, which penetrates through the bottom of the combustion chamber, is formed in the lower end of the tubular reactor; the reaction gas inlet is connected with a gas outlet of a tubular heat exchanger. The heat accumulation tubular reaction system can be used for pre-heating reaction gas and the reaction efficiency is improved; the heat accumulation tubular heating device is adopted so that residual heat of flue gas is extremely recycled; the porous fire-proof walls are arranged so that the distribution of the temperature in the combustion chamber is more uniform.

Description

technical field [0001] The present invention generally relates to a chemical reaction device, in particular to a thermal storage tubular reaction system. Background technique [0002] Both ethylene and benzene are important basic raw materials in modern industry, and are also the chemicals with the largest output in the world. Their products are widely used in national economy, people's life, national defense and other fields. Facing the continuous consumption and shortage of petroleum resources and the national conditions of our country being poor in oil and rich in coal, the acquisition of petroleum has become a bottleneck in the development of the ethylene and benzene industries, and it is also a problem that needs to be solved urgently in front of people. Therefore, the research and development of a new raw material and its process method to prepare ethylene and benzene to replace petroleum is of great significance to alleviate the dependence on imported petroleum. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/06
CPCB01J8/06B01J8/062B01J8/067B01J2219/00157
Inventor 苏二强史雪君余海鹏刘周恩吴黎阳吴道洪
Owner SHENWU TECH GRP CO LTD
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