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Multi-pipe composite reacting apparatus

A combined reaction and multi-tube technology, applied in chemical/physical processes, chemical instruments and methods, etc., can solve the problems of complex devices, small amount of information, cumbersome operations, etc., and achieve convenient operation, strong versatility, and device integration high effect

Active Publication Date: 2007-03-14
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the amount of information obtained by experiments in the previous literature is small, the device is complicated, the investment is large, the operation is cumbersome, and the efficiency is low. A new multi-tube combined reaction device is provided.

Method used

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Effect test

Embodiment 1

[0019] The main body of the present invention consists of a raw material inlet 1, a heating furnace 2, a heater 3, a heat conducting rod 4, a reaction tube inlet 5, a temperature measuring thermocouple 6, a reaction tube 7, a catalyst bed 8, a product outlet 9, a multi-channel switching valve 10, It consists of a temperature measuring instrument 11, a temperature controller 12, a flow distributor 13, a multi-channel switching valve controller 14, a reaction tube introduction channel 15 and a pipeline connection guide groove 16. The heat conduction rod 4 is located in the hollow area provided inside the heating furnace 2; the heater 3 is located in the heating furnace 2, outside the hollow area; the heat conduction rod 4 is provided with at least two reaction tube introduction channels 15 to place the reaction tube 7, each reaction tube The feed ports of each reaction tube are connected with the flow distributor 13, and the discharge ports of each reaction tube are connected wit...

Embodiment 2

[0022] According to the multi-tubular combined reaction device described in Example 1, only the reaction tubes are 6 reaction tubes. Using 1-butene as feed and ZSM-5 molecular sieve as catalyst, the molar ratio of silicon to aluminum is SiO 2 / Al 2 o 3 At 200, the reaction temperature of each reaction tube is 450°C, 480°C, 500°C, 530°C, 550°C, 580°C, each reactor is filled with the same catalyst, and the weight space velocity is 5 hours-1. Investigate, the yield of ethylene propylene is shown in Table 1 and Table 2.

[0023] Response time, hours

[0024] Response time, hours

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Abstract

The invention relates to a multi-tube combine reactor, which comprises heating furnace, heater, thermal conductive rod, at least two reaction tubes, multi-tube switch valve, temperature tester, temperature controller, and flux distributor; the thermal conductive rod is at the hollow area of heater; the heater is inside the heating furnace and outside the hollow area; the thermal conductive rod has at least two reaction tube lead tubes to arrange the reaction tubes; the material inlet of each reaction tube is connected to the flux distributor, while the outlet is connected to the multi-channel switch valve, to parallel connect the reaction tubes; the temperature testing element is connected to the temperature tester; the heater is connected to the temperature controller.

Description

technical field [0001] The invention relates to a multi-tubular combined reaction device, in particular to a multi-tubular combined reaction device in the field of catalysis. Background technique [0002] In the petrochemical field, the research and development of catalysts has always been the main driving force for the rapid development of the petrochemical industry. For now, the research and development of most catalysts still mainly rely on the screening and evaluation of a large number of catalysts for exploration and research. In general, the successful development of an industrial catalyst usually requires thousands or even tens of thousands of evaluation and screening experiments. Obviously, such a huge catalyst evaluation and screening work has been one of the main bottlenecks in some catalyst development processes. On the other hand, in the development process of new catalysts, in-depth analysis of reaction mechanism, accurate descri...

Claims

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Application Information

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IPC IPC(8): B01J8/06
Inventor 谢在库刘俊涛钟思青张惠明
Owner CHINA PETROLEUM & CHEM CORP
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