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A synthetic pyrolysis reactor that can be adaptively adjusted to changes in material viscosity and output

A technology of self-adaptive regulation and cracking reaction, applied in pyrolysis reaction, chemical/physical/physical-chemical stationary reactor, biofuel, etc., can solve the problem of low self-adaptive regulation and regulation ability

Active Publication Date: 2022-07-12
BEIJING UNIV OF CHEM TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the rapid development of pyrolysis reaction technology, synthesis and pyrolysis integrated reactor equipment has become more and more widely used. However, in view of the multi-variable change requirements such as material viscosity and processing capacity in the process of material synthesis and pyrolysis reaction, traditional reactors need to be based on Different process requirements are specially designed, and the ability of self-adaptive adjustment and control is low for changes in reaction conditions and process requirements, and adjustments need to be made

Method used

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  • A synthetic pyrolysis reactor that can be adaptively adjusted to changes in material viscosity and output
  • A synthetic pyrolysis reactor that can be adaptively adjusted to changes in material viscosity and output
  • A synthetic pyrolysis reactor that can be adaptively adjusted to changes in material viscosity and output

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Experimental program
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Effect test

Embodiment 1

[0034] When the output is 100%, the material enters the reactor through the feed port (6) and the heat-conducting oil enters the jacket through the heat-conducting oil inlet, and flows out of the jacket through the heat-conducting oil outlet to realize the preheating of the material in the reactor.

[0035] Start stirring, the stirring shaft rotates counterclockwise, and the material forms an axial flow near the stirring shaft under the action of the upper helical section (31) of the stirring paddle. The axial flow of the material in this area is mainly downward axial flow, thereby reducing the problem of a large number of "dead zones" near the stirring shaft of the large-diameter paddle. Under the action of the bottom anti-spiral section (34), the material forms an axial flow near the stirring shaft. The axial flow of the material in this area is mainly an upward axial flow, which greatly reduces the existence of a large number of "dead" of the blade at the bottom of the stirr...

Embodiment 2

[0039] When the output is 20%, the material volume is 6L, the material enters the reactor through the feed port (6), and the heat transfer oil enters the jacket through the heat transfer oil inlet, and flows out of the jacket through the heat transfer oil outlet to realize the preheating of the material inside the reactor. The stirring shaft rotates counterclockwise. At this time, the material can only reach L / 4 of the kettle wall. Under the action of the spiral-cone power stirring paddle structure, the material at this time can still be effectively stirred and mixed, and the main movement is the reverse spiral at the bottom. The up and down rolling motion under the action of the segment (34), and the shearing along the wall under the stirring action of the conical wall scraping and stirring segment (32).

[0040] During the reaction, the temperature in the reaction kettle is measured and obtained by the temperature sensor (29). At this time, the temperature sensor (29) can sti...

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Abstract

The utility model relates to a synthetic pyrolysis reactor capable of adaptively adjusting the viscosity and output of materials, belonging to the field of polymer preparation, and can control the stirring height for special materials, realize temperature detection at the center point and variable viscosity detection, and save energy. Its main features are the cone power type kettle wall structure, the stirring dynamic adjustment mechanism, the brush temperature acquisition device, the spiral-cone power type stirring paddle structure, and the retractable viscosity detection structure. The cone power type kettle wall structure solves the problem that the viscosity of the variable material volume cannot be detected; the stirring dynamic adjustment mechanism solves the problem of the adaptability of the stirring paddle during the variable material volume stirring reaction process; the brush temperature acquisition device can detect the material center in the reactor Position temperature; the matching of the spiral-cone power stirring paddle structure and the cone power kettle wall structure makes the stirring process more efficient; the retractable viscosity detection structure provides the possibility of viscosity detection of different material amounts. The invention realizes the adaptation of different material amounts by dynamically adjusting the stirring height of the device, and has a wide range of adaptation.

Description

technical field [0001] The invention belongs to the field of polymer material reaction preparation, and is specifically applied in the process of molecular weight change and viscosity change such as synthesis and cracking of materials, and relates to a novel synthesis and cracking integrated reaction kettle that can be adaptively adjusted for material viscosity and output changes. Background technique [0002] In recent years, with the rapid development of cracking reaction technology, the integrated reactor equipment for synthesis and cracking has become more and more widely used. Different process requirements are specially designed, and the ability to self-adaptively adjust and control changes in reaction conditions and process requirements is low and needs to be adjusted. [0003] At present, there are still some deficiencies in temperature detection and self-adaptive regulation for crackers. Through the structure in this paper, multi-point temperature detection and mat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J6/00B01J19/18B01J19/20
CPCB01J6/008B01J19/18B01J19/20B01J19/0066B01J2219/00058Y02E50/10
Inventor 张冰彭涛暴利军林宏丁时康罗博文于洋汤帅鲁文龙李大鹏
Owner BEIJING UNIV OF CHEM TECH
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