Reactor for performing continuous multiphase catalytic reaction and separation

A technology of heterogeneous catalysis and reactors, which is applied in the field of reactors and can solve problems such as inappropriate heterogeneous catalysis reactions

Active Publication Date: 2014-06-25
嘉善县临沪新城实业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the solid phase retentate needs to be regularly backwashed and discharged from the equipment, which is not suitable for heterogeneous catalytic reactions

Method used

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  • Reactor for performing continuous multiphase catalytic reaction and separation
  • Reactor for performing continuous multiphase catalytic reaction and separation
  • Reactor for performing continuous multiphase catalytic reaction and separation

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Embodiment Construction

[0023] The invention discloses a continuous heterogeneous catalytic reactor capable of realizing liquid-solid separation in the reactor. Taking advantage of the characteristics of the jet loop reactor such as sufficient mixing, good mass transfer and heat transfer effect, the coupled liquid-solid separation process realizes continuous multiphase reaction and separation inside the reactor at the same time. The liquid-solid separation is realized through the filter guide device in the reactor. The filtrate flow from the reaction zone into the filtrate zone can be kept constant for a long time, which can meet the requirements of continuous operation in industry.

[0024] The jet loop reactor disclosed in the invention can be an up-spray type or a down-spray type. The filter guide device can be a single-tube filter or a double-tube filter. The structure and principle of the reactor will be introduced below by taking the internal filter downspray loop reactor as an example.

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Abstract

The invention discloses a reactor for performing continuous multiphase catalytic reaction and separation. The reactor comprises a reactor shell, a nozzle and a filtering-type guiding device, wherein the nozzle is connected with a liquid reactant and a gas reactant; the reactor is characterized in that the filtering-type guiding device is arranged in the reactor shell and is immersed in a serous fluid of the reactor, the filtering-type guiding device is composed of inner and outer concentric cylinders, at least one of the cylinders is a filtering-type cylinder, the upper and lower ends of the two cylinders are connected and sealed, and an annular space arranged between the inner and outer concentric cylinders is a liquid filtering region; the filtering-type guiding device is provided with an exhaust hole and a liquid filtering discharging hole, and the nozzle is aligned to the interior of the filtering-type guiding device and can form a serous fluid ring current which can fold back from the interiors of the cylinders of the filtering-type guiding device to the bottoms of the cylinders and can pass through a space arranged between the filtering-type guiding device and the reactor shell to arrive the top of the filtering-type guiding device; the region of the serous fluid ring current is a reacting region, a liquid enters the liquid filtering region from the reacting region, and a filter cake is formed on the surface of a filtering cylinder of the filtering-type guiding device.

Description

field of invention [0001] The present invention relates to reactors suitable for continuous heterogeneous catalytic reactions and separations using solid catalysts in the gas-liquid phase or liquid-liquid phase. Background of the invention [0002] The jet loop reactor is a high-efficiency gas-liquid, gas-liquid-solid, liquid-liquid-solid multiphase reactor. Its structure is simple, and the circulation is formed by the injection effect of the fluid and the static pressure difference, so that the various phases are fully mixed, the mass transfer and heat transfer effects are good, and the energy consumption is low. These excellent properties make the jet loop reactor occupy an increasingly important position in the fields of biochemistry, chemical industry, sewage treatment, and coal liquefaction and hydrogenation. This traditional jet loop reactor requires liquid-solid separation outside the reactor. For liquid-solid separation outside the reactor, the slurry needs to be t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/00B01D29/33B01D29/58
Inventor 杨阿三王方方程榕孙勤郑燕萍
Owner 嘉善县临沪新城实业有限公司
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