Corrosion resistance thermocouple used for measuring smoke

A corrosion-resistant, thermocouple technology, applied in the field of thermocouples, can solve the problems of slow temperature measurement response, impact corrosion of thermocouple protection tubes, shortening the service life of temperature measurement thermocouples, etc., achieve sufficient temperature, increase heat collection area, The effect of preventing impact corrosion

Active Publication Date: 2013-09-04
TIANJINSHI ZHONGHUAN TEMPERATURE METERS
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  • Abstract
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Problems solved by technology

[0002] Thermocouple is one of the commonly used tools for temperature measurement. It is widely used in the coal chemical industry. The reformer of coal chemical industry uses thermocouples to monitor the temperature in the furnace. The flue gas generated in the reformer is mainly reducing gas. It mainly includes carbon monoxide, hydrogen sulfide, and chlorine gas. When the temperature in the reformer is detected, the flue gas particles impact and corrode the thermocouple protection tube seriously, which shortens the service life of the thermocouple for temperature measurement, and the temperature measurement response during temperature measurement slower

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  • Corrosion resistance thermocouple used for measuring smoke
  • Corrosion resistance thermocouple used for measuring smoke

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Embodiment Construction

[0018] The present invention will be further described in detail below through the specific examples, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the present invention with this.

[0019] A corrosion-resistant thermocouple for flue gas measurement, comprising a junction box 1, a temperature measuring core 11, a leakage preventing device 3 and a protective sleeve 4, the protective sleeve is fixed on the lower end of the junction box through the leak preventing device, and the temperature measuring core The body is fixed at the lower end of the junction box in the protective sleeve, and the number of temperature measuring cores can be multiple. The temperature measuring cores shown in the drawings of this embodiment are 2, and multiple temperature measuring cores can pass through the protective sleeve. The separating ring 14 is fixed, and the middle part of the protective sleeve is connected to the middle part of a blowin...

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Abstract

The invention relates to a corrosion resistance thermocouple used for measuring smoke, comprising a junction box, a temperature measuring core body, a leakage blocking device and a protective sleeve, wherein the protecting sleeve is fixedly arranged on the lower end of the junction box through the leakage blocking device; the temperature measuring core body is fixedly arranged on the lower end of the junction box in the protective sleeve; the middle of the protective sleeve is connected to the middle of a blowing pipe through a communicating pipe; an inert gas inlet is formed at one end of the blowing pipe; and a ventage is formed in the lower end of the protective pipe. The corrosion resistance thermocouple is simple in structure, scientific and reasonable in design, simple in manufacturing, lower in cost, rapid in temperature measuring speed and good in impingement attack resistant effect, and the service life of the thermocouple is prolonged.

Description

technical field [0001] The invention belongs to the field of thermocouples, in particular to a corrosion-resistant thermocouple for measuring flue gas. Background technique [0002] Thermocouple is one of the commonly used tools for temperature measurement. It is widely used in the coal chemical industry. The reformer of coal chemical industry uses thermocouples to monitor the temperature in the furnace. The flue gas generated in the reformer is mainly reducing gas. It mainly includes carbon monoxide, hydrogen sulfide, and chlorine gas. When the temperature in the reformer is detected, the flue gas particles impact and corrode the thermocouple protection tube seriously, which shortens the service life of the thermocouple for temperature measurement, and the temperature measurement response during temperature measurement slower. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a corrosion-r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02G01K1/10
Inventor 刘汉杰
Owner TIANJINSHI ZHONGHUAN TEMPERATURE METERS
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