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Device and method for detecting heated coke formation propensity of solid heavy raw material

A technology of heavy raw materials and heating devices, applied in measuring devices, material weighing, analyzing materials, etc., to achieve real-time online continuous measurement, short test time, and increased reliability

Active Publication Date: 2016-08-31
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the primary solid impurities of solid-containing heavy raw materials can promote the formation of secondary coke during thermal processing, making the solid-containing heavy raw materials more prone to coke deposition

Method used

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  • Device and method for detecting heated coke formation propensity of solid heavy raw material
  • Device and method for detecting heated coke formation propensity of solid heavy raw material
  • Device and method for detecting heated coke formation propensity of solid heavy raw material

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] like figure 2 As shown, under the conditions of 0.2MPa and temperatures of 380°C, 400°C, and 420°C, the coke trend curves of coal liquefaction containing solid heavy raw materials are measured, see the attached figure 2 , when the measured reaction temperature is 380°C, the coke induction period is 19min; when the measured reaction temperature is 400°C, the coke induction period is 11min; when the measured reaction temperature is 420°C, the coke induction period is 7min.

Embodiment 2

[0054] like image 3 As shown, under the conditions of 0.2MPa and temperatures of 380°C, 400°C, and 420°C respectively, the coke trend curves of coal liquefaction containing solid heavy raw materials after distillation are measured, see the attached image 3 , when the measured reaction temperature is 380°C, the coke induction period is 10 minutes; when the measured reaction temperature is 400°C, the coke induction period is 6 minutes; when the measured reaction temperature is 420°C, the coke induction period is 5 minutes.

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Abstract

The invention discloses a device and method for detecting heated coke formation propensity of a solid heavy raw material. The device comprises a sealed box. A sample pool is arranged in the sealed box. A heater for heating the sample pool is arranged outside the sample pool. A suspended heating device for providing heat for the solid heavy raw material is arranged in the sample pool. A sleeve for adsorbing coke particles is arranged outside the heating device. The top of the sleeve is connected with a weighing device. The weighing device measures the quality of the electric heating bar sleeve and the quality change, caused by reaction raw material heated coke formation, of the electric heating bar sleeve in real time. The weighing device is connected with a data collecting module which is connected with a data processing module. The data processing module processes signals of a scale, and the percentage content of the coke amount is obtained.

Description

technical field [0001] The invention relates to the technical field of a measurement device and method, in particular to a device and method for measuring the coking tendency of solid-containing heavy raw materials when heated. Background technique [0002] Carbon deposition and coking of heavy raw materials in petrochemical processing is a common problem, such as delayed coking heating furnace tube coking, catalytic cracking unit riser, settler and oil transfer line coking, ethylene cracking unit cracking furnace tube coking, etc. . However, in the furnace tube of the coal direct liquefaction heating furnace, the heavy raw material is heated and coke is deposited on the inner wall of the furnace tube, and in severe cases, the furnace tube is blocked. The hidden dangers, resulting in unplanned shutdowns bring huge economic losses. Therefore, it is a very urgent technical requirement to suppress or reduce the coke deposition on the surface of equipment, pipelines and cataly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/00
CPCG01N5/00
Inventor 陈坤范士广夏薇刘贺吴萍萍倪鹏孔德辉龚旭刘朝仙张帝王俊杰赵翔鵾王宗贤郭爱军沐宝泉苏立新房克昌杜聪慧孙梦黄金菊郭佳佟佳俊刘晴昊
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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