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Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change

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: 2021-07-30
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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  • Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change
  • Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change
  • Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change

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Experimental program
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Effect test

Embodiment 1

[0034] When the output is 100%, the material enters the reaction kettle 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 materials inside the reaction kettle.

[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 materials in this area is mainly downward axial flow, thereby reducing the problem of a large number of "dead zones" where the large-diameter blades are close to the stirring shaft. Under the action of the anti-helical section (34) at the bottom, the material forms an axial flow close to the stirring shaft. The axial flow of the material in this area is mainly an upward axial flow, which greatly reduces the large number of "dead" at the bottom of th...

Embodiment 2

[0039] When the output is 20%, the material volume is 6L. The material enters the reactor from 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 materials 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 stirred and mixed effectively, and its main movement is reverse spiral at the bottom. The up and down tumbling movement under the action of the section (34), and the shearing along the wall under the agitation of the conical scraping section (32).

[0040] During the reaction process, the temperature in the reaction kettle is measured by a temperature sensor (29). At this time, the temperature sensor (29) can still measure the temperature at the c...

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Abstract

The invention discloses a synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change, belongs to the field of polymer preparation, and aims at realizing the purposes of controlling the stirring height, realizing center point position temperature detection and variable viscosity detection and saving energy for special materials. The kettle is mainly characterized by comprising a cone power type kettle wall structure, a stirring dynamic adjusting mechanism, an electric brush temperature acquisition device, a spiral-cone power type stirring paddle structure and a telescopic viscosity detection structure. The cone power type kettle wall structure can assist in solving the problem that the variable-material-quantity viscosity cannot be detected; the dynamic stirring adjusting mechanism can assist in solving the problem of adaptability of a stirring paddle in a variable-material-quantity stirring reaction process; the electric brush temperature acquisition device can detect the temperature of the central position of the material in the reaction kettle; the spiral-cone power type stirring paddle structure is matched with the cone power type kettle wall structure, so that the stirring process is more efficient; the telescopic viscosity detection structure provides the possibility of viscosity detection of different material quantities. The stirring height of the device is dynamically adjusted through stirring, so that the kettle can adapt to different materials, and wide in an application range.

Description

technical field [0001] The invention belongs to the field of reaction preparation of polymer materials, 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 synthetic cracking integrated reactor that can be adaptively adjusted for material viscosity and yield changes. Background technique [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 to self-adaptively adjust and control changes in reaction conditions and process requirements is low, and adjustments need to be made. ...

Claims

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Application Information

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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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