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Device and method for online measurement and calibration of heat content of high-temperature pyrolysis coal gas

A high-temperature pyrolysis and heat-containing technology, which is applied to measuring devices, measuring heat, calorimeters, etc., to achieve the effects of reducing production costs, increasing production costs, and reducing product volume

Pending Publication Date: 2020-06-30
ZHEJIANG UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a device and method for on-line measurement and calibration of the heat content of high-temperature pyrolysis gas in order to solve the gap in the existing high-temperature coal gas on-line measurement and calibration system

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  • Device and method for online measurement and calibration of heat content of high-temperature pyrolysis coal gas
  • Device and method for online measurement and calibration of heat content of high-temperature pyrolysis coal gas

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Embodiment Construction

[0023] like figure 1 As shown, a device for online measuring and calibrating the heat content of high-temperature pyrolysis gas described in this embodiment includes a first regulating valve 1, a quartz sand filter 2, a gas flow meter 3, a ceramic heat exchanger 5, Second regulating valve 6, flowmeter 7, heat preservation device 8; Wherein, the inlet of described quartz sand filter 2 is connected with high temperature gas pipeline, the outlet of quartz sand filter 2 is connected with the inlet of gas flowmeter 3; The outlet of the gas flowmeter 3 is connected to the gas inlet A of the ceramic heat exchanger 5 through a delivery pipeline; the first regulating valve 1 is installed before the inlet of the gas flowmeter 3; the second regulating valve 6 is installed in the ceramic heat exchanger 5 After the gas outlet D; install a temperature sensor 4 at the gas inlet A, gas outlet D, water inlet B and water outlet C of the ceramic heat exchanger 5, and install a thermal insulation...

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Abstract

The invention belongs to the field of measurement and calibration of heat content of high-temperature pyrolysis coal gases, and particularly relates to a device and a method for online measurement andcalibration of the heat content of a high-temperature pyrolysis coal gas. Part of the high-temperature coal gas passes through a quartz sand filter, a flue gas flow meter and heat exchange equipmentwhich is manufactured by arranging a temperature measuring element, a water system, a heat preservation system, a water side heat exchange element in parallel and the like, the heat exchange amount ofthe coal gas and the water is obtained according to a formula Q = Cm delta t, and the heat contained in all the coal gas is obtained according to the coal gas flow and heat data. According to the method, the heat of the high-temperature coal gas is accurately measured, clean and efficient gradient utilization of the heat is achieved, the heat utilization rate is maximized, and heat utilization equipment cannot be damaged due to the fact that the heat utilization equipment bears the limit temperature.

Description

technical field [0001] The invention belongs to the field of measuring and calibrating the heat content of high-temperature pyrolysis gas, and in particular relates to a device and method for on-line measuring and calibrating the heat content of high-temperature pyrolysis gas. Background technique [0002] In order to further improve the level of clean and efficient utilization of coal and effectively alleviate the state of my country's rich coal, poor oil and little gas, major domestic groups and scientific research institutes are using coal as raw material to produce oil, gas and other chemical products through pyrolysis and gasification processes. product. Due to different gasification and pyrolysis temperatures, the amount of components contained in the crude gas produced is different. The traditional calculation method is difficult to measure and calibrate the heat contained in the gas on-line, and the process is complicated; the temperature of the gas produced by the py...

Claims

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Application Information

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IPC IPC(8): G01N25/20G01K17/12
CPCG01K17/12G01N25/20
Inventor 赵云凯王勤辉乔岗杰方梦祥张馨月石龙龙岑建孟何利昌王亚琴骆丁玲赵耀芳武建芳张润元路建洲盛守波
Owner ZHEJIANG UNIV
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