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Integrally-brick-plugged thermocouple provided with cooling water loop

A technology for thermocouples and cooling water, which is applied in the direction of thermometers that are directly sensitive to heat/magnetic elements, measuring heat, and using electrical devices. It can solve the problem of severe corrosion of thermocouple protection sleeves, reducing the service life of thermocouples, Improve production costs and other issues, achieve long service life, reduce replacement frequency, and prolong service life

Active Publication Date: 2015-12-09
HENAN TIANLI THERMOTECHNICAL EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the metal smelting process, precious metal thermocouples are important measurement equipment for induction heating furnaces. During the operation of current induction heating furnaces, the furnace body needs to be frequently tilted to complete the heating, heat preservation and unloading process. Due to the thermocouple setting In the upper part of the heating furnace body, during the process of frequent tilting of the heating furnace body, the thermocouple protection sleeve is easily corroded and worn out in a short period of time due to the influence of the working environment, resulting in cracking and fracture, which greatly reduces the thermoelectricity. The service life of the couple increases the production cost

Method used

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  • Integrally-brick-plugged thermocouple provided with cooling water loop
  • Integrally-brick-plugged thermocouple provided with cooling water loop

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Embodiment Construction

[0013] The specific content of the present invention will be described in detail in conjunction with the accompanying drawings. Such as Figure 1-2 As shown, an integral plug-type thermocouple with a cooling water circuit, including a thermocouple assembly and an equipment installation assembly, wherein the junction box 1 in the thermocouple assembly is connected to the thermocouple 2, and the outer side of the thermocouple 2 is provided with a terminal A sealed non-metallic protective tube 3, a metal tube 4 is sleeved on the non-metallic protective tube 3 adjacent to the junction box 1, and the head end of the metal tube 4 is sealed and connected with the junction box 1 and the non-metallic protective tube 3 through a sealant , the middle part of the metal pipe 4 is provided with an asbestos gasket 5 as a heat insulation layer between the non-metallic protection pipe 3 and the metal pipe 4, and the end of the metal pipe 4 is sealed and connected with the non-metal protection ...

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Abstract

The invention discloses an integrally-brick-plugged thermocouple provided with a cooling water loop and belongs to the technical field of thermocouples used for an induction heating furnace. According to the technical scheme, the integrally-brick-plugged thermocouple provided with the cooling water loop comprises a thermocouple assembly and an equipment installation assembly, wherein a wiring box of the thermocouple assembly is connected with a thermocouple, the outer side of the thermocouple is provided with a non-metal protection tube which is sealed on the tail end, and a metal tube sleeves the side, close to the wiring box, of the non-metal protection tube; the non-metal protection tube of the thermocouple assembly is inserted into a metal protection tube arranged in a couple-used special-shaped brick and is fixedly connected with a connection steel plate arranged on a connection cylinder body through an end cover flange arranged at the outer side of the metal tube. Under a particularly bad condition, even if a protection sleeve of the thermocouple cracks or breaks in the production process, a tested medium is not leaked outwards, the dual effects of shake resistance and leakage prevention are realized, and the safety performance is improved.

Description

technical field [0001] The invention belongs to the technical field of thermocouples for induction heating furnaces, and in particular relates to an integral plug-type thermocouple provided with a cooling water circuit. Background technique [0002] In the process of metal smelting, precious metal thermocouples are important measurement equipment for induction heating furnaces. During the operation of current induction heating furnaces, the furnace body needs to be frequently tilted to complete the heating, heat preservation and unloading process. Due to the thermocouple setting In the upper part of the heating furnace body, during the process of frequent tilting of the heating furnace body, the thermocouple protection sleeve is easily corroded and worn out in a short period of time due to the influence of the working environment, resulting in cracking and fracture, which greatly reduces the thermoelectricity. The service life of the couple increases the production cost. C...

Claims

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Application Information

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IPC IPC(8): G01K7/13G01K1/12
Inventor 李明科李振元王卫臣
Owner HENAN TIANLI THERMOTECHNICAL EQUIP CO LTD
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