Gas material distributor and coal direct liquefaction hydrogenation reactor
A technology for hydrogenation reactors and gas materials, applied in chemical instruments and methods, chemical/physical processes, preparation of liquid hydrocarbon mixtures, etc., can solve problems such as reactor circulation pump jamming and pipeline blockage, and achieve smooth flow of materials , the effect of improving work efficiency
Active Publication Date: 2021-10-12
CHINA SHENHUA COAL TO LIQUID & CHEM CO LTD +1
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the problems in the prior art that the catalyst is backflowed due to system pressure fluctuations, causing the reactor circulation pump to be blocked and the pipeline to be blocked.
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[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0021] A gas material distributor is characterized in that it includes a draft tube 2 and a housing 5 with an opening on one side, the discharge port 6 of the draft tube 2 is located in the housing 5, and the housing 5 is provided with a A buffer for the gap for gas to pass through, and the opening communicates with the discharge port 6 of the draft tube 2 through the gap.
[0022] The buffer makes the material fully dispersed, and the catalyst is arranged in the structure after the material flows through the buffer, so the catalyst is blocked by the buffer; the buffer pair prevents a large amount of catalyst from being brought into the reactor circulation pump ...
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The invention relates to the technical field of coal direct liquefaction technology, in particular to a gas material distributor and a coal direct liquefaction hydrogenation reactor including the gas material distributor. A gas material distributor, comprising a draft tube and a shell with an opening on one side, the discharge port of the draft tube is located in the shell, the shell is provided with a buffer with a gap for the gas to pass through, the opening It communicates with the discharge port of the draft tube through the gap. The buffer makes the material fully dispersed, and the catalyst is arranged in the structure after the material flows through the buffer, so the catalyst is blocked by the buffer; the buffer prevents a large amount of catalyst from being brought into the reactor circulation pump and pipeline due to the blockage of the catalyst by the guide tube Medium; make the material flow smoothly and improve work efficiency.
Description
technical field [0001] The invention relates to the technical field of coal direct liquefaction technology, in particular to a gas material distributor and a coal direct liquefaction hydrogenation reactor. Background technique [0002] In the direct coal liquefaction technology, the main task of solvent hydrogenation is to provide the coal liquefaction unit with a qualified hydrogen-supply solvent that meets the requirements, and to pre-hydrogenate the whole fraction of the liquefied oil produced by the coal liquefaction unit to produce naphtha and diesel for preprocessing. [0003] The original inlet distributor of the solvent hydrogenation reactor in the device is three diversion pipes with anti-reverse function, which evenly distributes the materials entering the reactor, and at the same time prevents the bed catalyst from flowing back due to system pressure fluctuations, causing the reactor circulation pump to be blocked and the pipeline to be blocked. clogged. However...
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IPC IPC(8): B01J8/00C10G1/06
CPCB01J8/008B01J2208/00911C10G1/065
Inventor 杨玉峰高山松王国栋
Owner CHINA SHENHUA COAL TO LIQUID & CHEM CO LTD