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Device for carrying out adiabatic calorimetric measurement at high temperature and high pressure

A technology of adiabatic calorimetry, high temperature and high pressure, applied in the field of adiabatic calorimetry measurement devices

Inactive Publication Date: 2017-01-04
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The technical problem to be solved by the present invention is that there is no method for adiabatic calorimetry measurement under high temperature and high pressure in the prior art, and a new device for adiabatic calorimetry measurement under high temperature and high pressure is provided

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  • Device for carrying out adiabatic calorimetric measurement at high temperature and high pressure
  • Device for carrying out adiabatic calorimetric measurement at high temperature and high pressure
  • Device for carrying out adiabatic calorimetric measurement at high temperature and high pressure

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Embodiment 1

[0024] The invention provides a device capable of performing calorimetric testing at temperatures below 800°C and below 20 MPa, capable of performing calorimetric measurement in adiabatic mode and isothermal mode, capable of implementing precise control over the reaction process and capable of collecting and analyzing data in real time.

[0025] The device is mainly composed of the following parts (such as figure 1 shown):

[0026] Central control system: generally consists of a signal acquisition card, a digital-to-analog converter and pre-programmed computer software.

[0027] Pressure control unit: connected to the compensation gas (usually nitrogen) gas source, through the opening and closing of the solenoid valve to control the compensation pressure in the kettle;

[0028] Temperature control unit: control the start-stop and power of the heating and heat preservation unit so that the actual temperature conforms to the set value;

[0029] Reactor (which is the key part of ...

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Abstract

The invention relates to a device for carrying out adiabatic calorimetric measurement at high temperature and high pressure, mainly aiming at solving the problem that methods for carrying out adiabatic calorimetric measurement at high temperature and high pressure do not exist yet in the prior art. The device for carrying out adiabatic calorimetric measurement at high temperature and high pressure can carry out calorimetric testing at 800 DEG C and 20MPa according to an adiabatic model and an isothermal model and can implement precise control on the reaction process and collect and analyze data in real time. The device comprises a central control system, a pressure control unit, a temperature control unit and a reaction kettle. The device has the effect of better solving the problem and can be used for carrying out adiabatic calorimetric measurement at high temperature and high pressure.

Description

technical field [0001] The invention relates to a device for adiabatic calorimetry under high temperature and high pressure. Background technique [0002] To evaluate the thermal risk of a specific process, it is necessary to obtain parameters such as heat release rate, heat release, adiabatic temperature rise, and adiabatic pressure rise, and these parameters must be obtained through calorimetric testing. The modes of operation of the calorimeter include isothermal, dynamic and adiabatic. Commonly used calorimeters mainly include reaction calorimeter (RC1), accelerating rate calorimeter (ARC) and adiabatic calorimeter (Accelerating Rate Calorimeter and Method of Operation, US4208907), differential scanning calorimeter (DSC), etc. [0003] For the calorimetric test for the purpose of process thermal risk assessment, the following conditions are often required: 1) The sample size is large enough to reduce the influence of the amplification effect; 2) Because the adiabatic mo...

Claims

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Application Information

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IPC IPC(8): G01N25/20
CPCG01N25/20
Inventor 孙冰王婷朱红伟赵磊石宁
Owner CHINA PETROLEUM & CHEM CORP
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