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Slurry bed reactor and applications thereof

A technology of reaction device and slurry bed, which is applied in the field of slurry bed reaction device, can solve the problems of occupying reaction space, difficulty in large-scale, over-reaction, etc., and achieve the goal of saving cycle energy consumption, occupying less floor area, and avoiding air resistance Effect

Inactive Publication Date: 2015-02-25
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology provides an improved way to make chemicals that have better performance or fewer impurities than previously possible due to its design feature. It achieves this by reducing the speed at which certain materials move downstream while still separating them from other liquids before reaching their destination. By doing it effectively without causing damage during transporting, these devices offer greater flexibility and ease of use compared to previous methods like settling tanks.

Problems solved by technology

This patents discusses different ways to separate liquids (sludge) into smaller solutes or powders called finely divided materials like tiny metal grains. However, current methods require complex structures involving multiple steps and involve significant investments costs. Additionally, there may still exist challenges related to maintaining stable performance during operations over longer periods without losing effectiveness.

Method used

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  • Slurry bed reactor and applications thereof
  • Slurry bed reactor and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 illustrates the effect of utilizing the slurry bed reaction device provided by the present invention for Fischer-Tropsch synthesis.

[0044] The experimental device is attached figure 2 shown. Among them, the size of the reaction cylinder is Φ150×15000mm, the size of the separator is Φ400×1600mm, and the height of the reaction cylinder extending into the separator is 1000mm. The upper part of the separator is equipped with a washing section Φ150×500mm, and BX500 packing with a height of 300mm is installed inside. Two sets of filters are used, and metal filter elements are installed inside. When the pressure difference of each filter reaches 0.06MPa, it is set to automatically recoil, and the recoil liquid is filtered After reaction clear liquid.

[0045] The preparation method of the catalyst that reaction adopts: will contain Co(NO 3 ) 3 and Mg(NO 3 ) 2 solution impregnated SiO 2 The microsphere carrier is left to stand for 24 hours, then dried at 120...

Embodiment 2

[0048] Embodiment 2 illustrates the effect of utilizing the slurry bed reaction device provided by the invention to synthesize hydrogen peroxide.

[0049] as attached figure 2 As shown, the same experimental device as in Example 1 is used, hydrogen and working fluid enter the reactor from the liquid phase inlet 12 and the gas inlet 11 respectively, and the reaction temperature is adjusted through the bottom heat exchanger 4 . The reaction temperature is 60°C, and the catalyst used is a palladium-containing fine powder catalyst with an average diameter of 80 microns. Under the action of the catalyst, the ethylanthraquinone in the working fluid is hydrogenated to generate a hydrogenation solution containing ethylanthrahydroquinone. The superficial velocity of the gas in the reaction cylinder is 0.15m / s. The reaction product undergoes gas-liquid separation in the separator, and the gas is washed by the filtered hydrogenated liquid, then discharged from the device through the g...

Embodiment 3

[0054] Example 3 illustrates the effect of utilizing the slurry bed experimental device provided by the present invention to synthesize cyclohexanone oxime.

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Abstract

The invention discloses a slurry bed reactor and applications thereof. The slurry bed reactor comprises a reaction cylinder (1), a separator (2), and a filter (3). The top part of the reaction cylinder (1) is provided with an opening, which stretches into the separator (2). The exterior wall of the reaction cylinder (1) is connected to the bottom of the separator (2). The separator (2) is communicated with the filter (3) through a liquid-phase outlet (14). The filter (3) is communicated with the bottom of the reaction cylinder (1) through a slurry outlet (22). The upper part of the separator (2) is provided with a gas outlet (13). The lower part of the reaction cylinder (1) is provided with a gas inlet (12), a liquid-phase inlet (11), and a discharge opening (15). The slurry bed reactor integrates the functions of carrying out reactions, separating liquid and gas, separating liquid and solid, exchanging heat, and washing together, has the advantages of simple structure, practicality, convenient operation, small floor space, and easiness for enlargement, is suitable for multiple gas-liquid-solid reaction systems and catalysts with a wide particle size range, and is helpful for continuous and stable operation.

Description

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Claims

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Application Information

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Owner CHINA PETROLEUM & CHEM CORP