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Glass tube internal heating type electromagnetic induction airflow heating device

An electromagnetic induction and internal heating technology, applied in induction heating, coil devices, etc., can solve the problems of poor thermal conductivity, high heat dissipation rate, and large volume of glass, and achieve rapid temperature adjustment, small volume, and high heating efficiency. Effect

Active Publication Date: 2017-04-26
SHANGHAI RES INST OF CHEM IND +1
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  • Description
  • Claims
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Problems solved by technology

The disadvantage of the above two methods is that the hysteresis phenomenon is serious during temperature adjustment, especially when using glass pipelines according to requirements, because the thermal conductivity of glass is poor, the hysteresis phenomenon is more obvious
In addition, there are also disadvantages such as high heat dissipation rate and large volume.

Method used

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  • Glass tube internal heating type electromagnetic induction airflow heating device
  • Glass tube internal heating type electromagnetic induction airflow heating device

Examples

Experimental program
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Effect test

Embodiment

[0028] An internal heating type electromagnetic induction airflow heating device in a glass pipeline, such as figure 1 As shown, the device is composed of a triangular spiral wire circuit 1, an electromagnetic coil 2, a quartz glass tube 3, an adjustable high-frequency AC power supply or a pulsed DC power supply.

[0029] The triangular helical wire loop 1 can be made of platinum wire or nickel wire. The two ends of the helix are turned back and connected along the center line to form a loop. The number of layers of the helical loop is determined according to the heating temperature requirement and the electromagnetic field strength calculation. Such as figure 2 As shown, the apex of the triangular helical wire loop 1 is in contact with the inner wall of the quartz glass tube 3 . The electromagnetic coil 2 is connected with an adjustable high-frequency AC power supply or a pulsed DC power supply.

[0030] The electromagnetic coil 2 generates an alternating magnetic field or...

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Abstract

The invention relates to a glass tube internal heating type electromagnetic induction airflow heating device comprising a quartz glass tube (3), a triangle spiral metal wire loop (1) arranged in the quartz glass tube (3), a solenoid (2) arranged outside the quartz glass tube (3), and a power source providing power for the solenoid (2). Compared with the prior art, the glass tube internal heating type electromagnetic induction airflow heating device is fast in temperature adjusting, high in heating efficiency, small in size, simple in structure, long in service life, wide in application prospect, and can replace an external heating device.

Description

technical field [0001] The invention belongs to the field of electromagnetic heating, in particular to an internal heating type electromagnetic induction airflow heating device in a glass pipeline. Background technique [0002] Heating the gas flowing through the pipeline is one of the important means of engineering or experiment. There are many heating methods, which are generally selected according to the size of the device, temperature range, and type of medium. For small experimental devices and instruments, external heating wires or electric heating bands are often used to wind, and then apply a heat insulating layer, and there is also a way to pass the pipeline through an electric heating thermostat. The disadvantage of the above two methods is that the hysteresis phenomenon is serious when the temperature is adjusted, especially when the glass pipeline is used according to the requirements, because the thermal conductivity of the glass is poor, the hysteresis phenome...

Claims

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Application Information

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IPC IPC(8): H05B6/02H05B6/36
CPCH05B6/02H05B6/36
Inventor 孙钰朋张小沁包剑盛夏
Owner SHANGHAI RES INST OF CHEM IND
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