Thermocouple protection device
By designing a protective device for the sleeve and flange connection, the aging problem of the thermocouple caused by high-temperature flue gas pollution and corrosion in the smoke duct is solved, effective protection of the thermocouple is achieved, and the service life is extended.
CN223376760UActive Publication Date: 2025-09-23新疆中泰金晖能源股份有限公司
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Patent Information
- Application Number
- CN202422533400.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Technical Problem
Thermocouples are polluted and corroded by high-temperature flue gas in the smoke duct for a long time, resulting in material aging and damage.
Method used
A protective device including a sleeve and a flange is designed. The sleeve has a built-in thermocouple, the flange is connected to the smoke duct, the spacing is adjusted by a screw and a handle, and stainless steel material and a plate-type flat-welded flange are used for protection.
Benefits of technology
It effectively prevents the contamination and corrosion of thermocouples by particulate impurities in the smoke duct, and prolongs the service life of the thermocouples.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model belongs to the technical field of thermal sensing protection, and particularly discloses a thermocouple protection device which comprises a first sleeve, the first sleeve is made of stainless steel, a first flange is welded at the top end of the first sleeve, a second flange is movably sleeved on the first sleeve, and the first flange and the second flange are connected through a connecting assembly. The connecting assembly comprises two screw rods, the two screw rods both penetrate through the first flange and the second flange in a threaded mode, handles are detachably connected to the screw rods, the thermocouple is arranged in the sleeve, the first flange is connected with the thermocouple flange, the sleeve is arranged in the smoke pipeline, and the second flange is connected with the smoke pipeline flange; the part, in the smoke pipeline, of the thermocouple is protected, and particle impurities in the smoke pipeline are prevented from polluting and corroding the thermocouple. The thermocouple has the advantages that the manufacturing cost is low, the stainless steel material is high-temperature-resistant and corrosion-resistant, pollution and corrosion are effectively isolated, and the service life of the thermocouple is prolonged.
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