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Hydrogenation reactor, hydrogenation reaction device and catalytic hydrogenation process

A hydrogenation reactor and catalytic hydrogenation technology, which is applied in the field of catalytic hydrogenation process, hydrogenation reactor, and hydrogenation reaction device, can solve the problems of large reaction device space, unfavorable industrial production, complicated washing process, etc., and achieve saving Space, conducive to industrial production, and simple washing process

Inactive Publication Date: 2020-04-10
BEIJING HUASHI UNITED ENERGY TECH & DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the disadvantages of reducing the catalyst content in the product oil while existing in the prior art that the reaction device space is large, the washing process is complicated, the investment and energy consumption are large, and it is not conducive to industrial production, thereby providing a Hydrogenation reactor, hydrogenation reaction device and catalytic hydrogenation process

Method used

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  • Hydrogenation reactor, hydrogenation reaction device and catalytic hydrogenation process
  • Hydrogenation reactor, hydrogenation reaction device and catalytic hydrogenation process
  • Hydrogenation reactor, hydrogenation reaction device and catalytic hydrogenation process

Examples

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Embodiment 1

[0071] This embodiment provides a hydrogenation reactor, such as figure 1 As shown, the hydrogenation reactor 9 is a bottom feed, top and side wall discharge structure, the bottom of the hydrogenation reactor 9 is provided with a feed port 91, the lower part is provided with a suspension bed reaction section 92, and the upper part is provided with a suspension bed reaction section 92. There is a fixed bed reaction section 94, a separation section 93 is arranged between the suspension bed reaction section 92 and the fixed bed reaction section 94, and the top of the hydrogenation reactor 9 is provided with a gas phase outlet 95; the middle part of the suspension bed reaction section 92 The side walls in the middle of the separation section 93 are respectively provided with a cold hydrogen injection port. A first washing liquid injection port 97 is provided on the side wall between the fixed bed reaction section 94 and the separation section 93 .

[0072] The separation section ...

Embodiment 2

[0077] This embodiment provides a hydrogenation reactor, such as figure 2 As shown, the hydrogenation reactor 9 is a bottom feed, top and side wall discharge structure, the bottom of the hydrogenation reactor 9 is provided with a feed port 91, the lower part is provided with a suspension bed reaction section 92, and the upper part is provided with a suspension bed reaction section 92. There is a fixed bed reaction section 94, a separation section 93 is arranged between the suspension bed reaction section 92 and the fixed bed reaction section 94, and the top of the hydrogenation reactor 9 is provided with a gas phase outlet 95; the middle part of the suspension bed reaction section 92 The side walls in the middle of the separation section 93 are respectively provided with a cold hydrogen injection port. A first washing liquid injection port 97 is provided on the side wall between the fixed bed reaction section 94 and the separation section 93 .

[0078] The separation section...

Embodiment 3

[0083] This embodiment provides a hydrogenation reaction device, such as image 3 As shown, the hydrogenation reaction device includes: the hydrogenation reactor 9 described in Example 1;

[0084] The feed unit includes a raw material tank 3, the outlet of the raw material tank 3 is communicated with the inlet of the first heat exchanger 7 through the first high-pressure pump 4, and the outlet of the first heat exchanger 7 is reacted with hydrogenation through a heating device 8 heating furnace The feed port at the bottom of the device 9 is communicated; the inlet of the first heat exchanger 7 is communicated with the compressor 6;

[0085] Hot low-pressure separator 17, and the first washing liquid injection port 97 decompression column 18 that is communicated with the bottom outlet of hot low-pressure separator 17; The liquid pipe 932 is communicated; the gas oil fraction outlet is provided on the decompression tower 18, and the outlet is communicated with the first washing...

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Abstract

The invention provides a hydrogenation reactor, a hydrogenation reaction device and a catalytic hydrogenation process. The hydrogenation reactor comprises a reactor body; a cold hydrogen injection port is formed in the side wall of the reactor body; a suspended bed reaction section is arranged at the lower part in the reactor body; a fixed bed reaction section is arranged at the upper part in thereactor body and consists of at least two bed layers; a separation section is arranged between the suspended bed reaction section and the fixed bed reaction section; a washing liquid injection port isformed in the side wall between the separation section and the fixed bed reaction section and / or formed in the side wall between the adjacent bed layers of the fixed bed reaction section. By adoptingof an integrated structure of a suspended bed, the separation section, a washing section and a fixed bed, the processes of hydrodeoxygenation, gas-liquid separation, gas-phase washing, hydrofining and hydroisomerization are realized in one reactor, the space, investment and energy consumption are saved while the content of a catalyst in product oil is reduced, the washing process is simple, quickand convenient, and industrial production is facilitated.

Description

technical field [0001] The invention belongs to the technical field of biomass hydrogenation, and in particular relates to a hydrogenation reactor, a hydrogenation reaction device and a catalytic hydrogenation process. Background technique [0002] In recent years, the country has vigorously developed various clean energy sources, among which biomass renewable energy has received great attention and in-depth research due to its stable and abundant sources and environmental friendliness. Biodiesel research is the most widely used biomass energy. [0003] Biodiesel, in a broad sense, includes all fuels produced from biomass that can replace diesel. The source of its raw materials is very rich, which can be vegetable oil, animal oil and various waste animal and vegetable oils, and some oil seeds and tree species can also be used as raw materials to obtain biodiesel after processing. The development of biodiesel can effectively alleviate the shortage of diesel oil supply, and ...

Claims

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Application Information

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IPC IPC(8): C10G65/04B01J8/04
CPCC10G65/043B01J8/0446C10G2400/04C10G2400/06
Inventor 贺兰增
Owner BEIJING HUASHI UNITED ENERGY TECH & DEV
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