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High heating rate controllable thermal balance

A technology of heating rate and thermal balance, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve the problems of high energy consumption and low heating rate, and achieve high heating rate, wide range, and adjustable reaction atmosphere control effect

Active Publication Date: 2013-07-10
DALIAN UNIV OF TECH
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

This heating method determines that the heating rate of the device is low and the energy consumption is large

Method used

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  • High heating rate controllable thermal balance

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Embodiment

[0021] This device adopts the method of current heating, and the controlled current passes through the double-layer metal wire mesh to generate the heat required for heating. A high-sensitivity microbalance 1 constitutes the frame of the device. The high-sensitivity differential balance 1 has a balancer 2, and metal electrodes 3 are arranged at both ends of the balancer 2. During operation, the double-layer metal wire mesh 4 is clamped on the metal electrode 3, and the double-layer metal wire mesh in this embodiment is selected as a stainless steel wire mesh with an aperture of 200 mesh. The wireless receiving device 5 is connected with the metal electrode 3, and heats the double-layer metal wire mesh 4 and the material clamped between the wire mesh by receiving the electric energy transmitted by the wireless power supply device 6.

[0022] The temperature signal measured by the high-sensitivity temperature measuring device 7 is transformed into an electrical signal through a...

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Abstract

A thermobalance with a controllable high heating rate comprises a wire-mesh reaction system, a temperature collection and control system as well as a mass collection system. Wherein, the wire-mesh reaction system comprises a balancer (2), a double-layer metallic wire-mesh (4), a metal electrode (3), a wireless power supply device (6) and a wireless power supply receiving device (5), which is used for heating the material held between the double-layer metallic wire-mesh (4) via a current; the temperature collection and control system comprises a high sensitive temperature measuring device (7) and a temperature control device, and the collection and control of temperature is performed by a computer; the mass collection system adopts a high sensitive differential balance (1), which is used for transforming the sample mass into an electric signal and transferring it to the computer for storage. The thermobalance enables precise control of the sample temperature change course and real-time monitoring of the sample mass change.

Description

technical field [0001] The invention belongs to the field of electric heating experimental equipment, and in particular relates to a thermobalance with a controllable high heating rate, which is mainly suitable for the rapid combustion, Experimental and theoretical studies of pyrolysis and gasification properties and reaction kinetics. Background technique [0002] It is very important to study the thermochemical reaction mechanism of solid fuels such as coal, biomass, and solid waste under high temperature and high heating rate, such as pyrolysis, gasification, and combustion, and to grasp the changing laws of their physical and chemical processes under close to real conditions. meaning. In order to simulate the reaction process of fuel combustion, gasification, and pyrolysis in actual operation, and establish an accurate prediction model, the temperature rise rate of particles obtained during the heating process must be as high as 10 2 ~10 5 °C / s. [0003] At present, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/04
CPCG01G9/00G01G19/52G05D23/27G01G17/00G05D23/193
Inventor 李爱民曲毅
Owner DALIAN UNIV OF TECH
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