CN203203717U - Thermocouple for measuring bed temperature of hearth in CFB boiler - Google Patents
Thermocouple for measuring bed temperature of hearth in CFB boiler Download PDFInfo
- Publication number
- CN203203717U CN203203717U CN201320240948.5U CN201320240948U CN203203717U CN 203203717 U CN203203717 U CN 203203717U CN 201320240948 U CN201320240948 U CN 201320240948U CN 203203717 U CN203203717 U CN 203203717U
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- sleeve pipe
- burner hearth
- temperature
- thermopair
- thermocouple
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Abstract
The utility model discloses a thermocouple for measuring the bed temperature of a hearth in a CFB boiler. The thermocouple comprises a bed temperature thermocouple body installed in the hearth, and is characterized in that the lower end of a high-temperature wear-resistant alloy pipe protective sleeve is fixed to the bed temperature thermocouple, the upper end of the high-temperature wear-resistant alloy pipe protective sleeve penetrates upward through the bed surface of the hearth and stretches out to be above the bed surface of the hearth, the high-temperature wear-resistant alloy pipe protective sleeve is placed in a stainless steel protective sleeve and a low-temperature wear-resistant alloy protective sleeve, the lower end of the stainless steel protective sleeve is fixed to a protective sleeve flange matched with the thermocouple in use, the upper end of the stainless protective sleeve stretches upward into a smoke wind chamber of the hearth, and the high-temperature wear-resistant alloy pipe protective sleeve is internally provided with a thermocouple wire. The thermocouple for measuring the bed temperature of the hearth in the CFB boiler has the advantages of not only being capable of accurately measuring the bed temperature of the CFB boiler, but also being capable of prolonging service life of the bed temperature thermocouple, ensuring stable burning inside the hearth, and being convenient to replace.
Description
Technical field
The utility model relates to thermopair, especially relates to the thermopair of burner hearth bed temperature in a kind of CFB of measurement boiler.
Technical background
At present, wear-resisting bed temperature thermopair external structure all is to be formed by wear-resisting section, the combination of protective casing (flanged), terminal box.The measurement of conventional bed temperature normally tilts to insert from the burner hearth side water wall with the bed temperature thermopair, and wear-resisting section partial insertion burner hearth of thermopair is inner, and wear-resisting section can effectively prevent the thermopair wearing and tearing in burner hearth inside.But the structure of this kind CFB boiler is distinguished to some extent with the conventional CFB type of furnace: the measurement of bed temperature is inner from the vertical burner hearth bed surface that up is inserted into of bottom burner hearth cigarette air compartment, if select conventional wear-resisting bed temperature thermopair then can't measure this bed temperature measuring point.
Summary of the invention
The purpose of this utility model is to provide a kind of serviceable life that can not only accurately measure the bed temperature of CFB boiler and can improve the bed temperature thermopair, guarantees the burning of burner hearth internal stability, changes easily thermopair, and it has solved because conventional wear-resisting bed temperature thermopair can not be measured the problem that vertically up is inserted into burner hearth bed surface bed temperature measuring point from bottom burner hearth cigarette air compartment.
The purpose of this utility model is achieved in that
A kind of thermopair of measuring burner hearth bed temperature in the CFB boiler, comprise the bed temperature thermopair body that is installed in the burner hearth, feature is: the lower end of high temperature wear resistant alloy protection of pipe sleeve pipe is fixed on the bed temperature thermopair body, the upper end of high temperature wear resistant alloy protection of pipe sleeve pipe is upward through the burner hearth bed surface and stretches out above the burner hearth bed surface, and the bottom outer wall of the high temperature wear resistant alloy protection of pipe sleeve pipe in burner hearth is fixed with the thermopair flange; High temperature wear resistant alloy protection of pipe sleeve pipe is placed on the stainless steel protection sleeve pipe that is in the below and is in the low temperature antifriction alloy protective casing of top, the lower end of stainless steel protection sleeve pipe be fixed on the matching used protective casing flange of thermopair flange on, the upper end of stainless steel protection sleeve pipe upwards extend in the burner hearth cigarette air compartment and is fixed on the outer wall base plate of burner hearth cigarette air compartment, and the upper end that is placed on the low temperature antifriction alloy protective casing in the burner hearth cigarette air compartment is fixed on the inwall top board of burner hearth cigarette air compartment; Be placed with the thermocouple wire as temperature-sensing element in high temperature wear resistant alloy protection of pipe sleeve pipe, the lower end of thermocouple wire is fixed on the bed temperature thermopair body.
The diameter of stainless steel protection sleeve pipe is greater than the diameter of low temperature antifriction alloy protective casing, and the lower end of low temperature antifriction alloy protective casing extend into downwards in the sleeve pipe cavity of stainless steel protection sleeve pipe upper end.
The utility model is comprised of bed temperature thermopair body, thermocouple wire, stainless steel protection sleeve pipe, low temperature antifriction alloy protective casing and high temperature wear resistant alloy protection of pipe sleeve pipe.Because to better, the thermopair flange and the stainless steel protection sleeve pipe that are installed in burner hearth cigarette air compartment outside can use stainless steel at the environmental facies of burner hearth cigarette air compartment outside, the stainless steel protection sleeve pipe needs the outer wall base plate welding with burner hearth cigarette air compartment; In burner hearth cigarette air compartment, doing random motion owing to cryogenic particles, environment is comparatively abominable, the low temperature antifriction alloy protective casing that is installed in the burner hearth cigarette air compartment need to use the low temperature wear-resisting alloy pipe, low temperature antifriction alloy protective casing need with the inwall top board welding of the burner hearth cigarette air compartment of burner hearth bed surface intersection; Be compo pipe and the high temperature wear resistant alloy protection of pipe sleeve pipe of thermocouple wire itself uses, what insert that the high temperature wear resistant alloy protection of pipe sleeve pipe of burner hearth bed surface uses is the compo pipe of high-temperature wearable; Owing to using the protective casing of unlike material in different environment places; in order to make the orderly connection of energy between three protective casings; the caliber of three kinds of unlike material protective casings is respectively: high-temperature wearable pipe alloy protecting sleeve pipe is φ 20*2; low temperature antifriction alloy protective casing is φ 28*2; the stainless steel protection sleeve pipe is φ 33*2; and thermopair flange 11 is connected connection with the protective casing flange; just avoided the gas leak in the burner hearth cigarette air compartment; guaranteed also simultaneously that the easy on and off of bed temperature thermopair in measuring process slides; when having guaranteed also that in addition even damaging appears in the bed temperature thermopair, in the situation that operation can be changed.Stainless steel protection sleeve pipe, low temperature antifriction alloy protective casing and high temperature wear resistant alloy protection of pipe sleeve pipe adopt the substep structure, can prolong the serviceable life of bed temperature thermopair.
Therefore, the utlity model has the bed temperature that can not only accurately measure the CFB boiler and the serviceable life that can improve the bed temperature thermopair, guarantee the burning of burner hearth internal stability, change easily advantage.
Description of drawings
Fig. 1 is that the utility model is installed in the structural representation in the CFB boiler;
Fig. 2 is cut-open view of the present utility model.
Embodiment:
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
A kind of thermopair of measuring burner hearth bed temperature in the CFB boiler, comprise the bed temperature thermopair body 3 that is installed in the burner hearth, the lower end of high temperature wear resistant alloy protection of pipe sleeve pipe 10 is fixed on the bed temperature thermopair body 3, the upper end of high temperature wear resistant alloy protection of pipe sleeve pipe 10 is upward through burner hearth bed surface 2 and stretches out above burner hearth bed surface 2, and the bottom outer wall of the high temperature wear resistant alloy protection of pipe sleeve pipe 10 in burner hearth is fixed with thermopair flange 11; The diameter of the stainless steel protection sleeve pipe 4 below being in is greater than the diameter of the low temperature antifriction alloy protective casing 5 that is in the top, high temperature wear resistant alloy protection of pipe sleeve pipe 10 is placed in stainless steel protection sleeve pipe 4 and the low temperature antifriction alloy protective casing 5, the lower end of stainless steel protection sleeve pipe 4 be fixed on thermopair flange 11 matching used protective casing flanges 8 on, the upper end of stainless steel protection sleeve pipe 4 upwards extend in the burner hearth cigarette air compartment 1 and is fixed on the outer wall base plate 6 of burner hearth cigarette air compartment 1, the upper end of low temperature antifriction alloy protective casing 5 is fixed on the inwall top board 7 of burner hearth cigarette air compartment 1, and the lower end of low temperature antifriction alloy protective casing 5 extend into downwards in the sleeve pipe cavity of stainless steel protection sleeve pipe 4 upper ends; Be placed with the thermocouple wire 9 as temperature-sensing element in high temperature wear resistant alloy protection of pipe sleeve pipe 10, the lower end of thermocouple wire 9 is fixed on the bed temperature thermopair body 3.
Claims (2)
1. thermopair of measuring burner hearth bed temperature in the CFB boiler, comprise the bed temperature thermopair body that is installed in the burner hearth, feature is: the lower end of high temperature wear resistant alloy protection of pipe sleeve pipe is fixed on the bed temperature thermopair body, the upper end of high temperature wear resistant alloy protection of pipe sleeve pipe is upward through the burner hearth bed surface and stretches out above the burner hearth bed surface, and the bottom outer wall of the high temperature wear resistant alloy protection of pipe sleeve pipe in burner hearth is fixed with the thermopair flange; High temperature wear resistant alloy protection of pipe sleeve pipe is placed on the stainless steel protection sleeve pipe that is in the below and is in the low temperature antifriction alloy protective casing of top, the lower end of stainless steel protection sleeve pipe be fixed on the matching used protective casing flange of thermopair flange on, the upper end of stainless steel protection sleeve pipe upwards extend in the burner hearth cigarette air compartment and is fixed on the outer wall base plate of burner hearth cigarette air compartment, and the upper end that is placed on the low temperature antifriction alloy protective casing in the burner hearth cigarette air compartment is fixed on the inwall top board of burner hearth cigarette air compartment; Be placed with the thermocouple wire as temperature-sensing element in high temperature wear resistant alloy protection of pipe sleeve pipe, the lower end of thermocouple wire is fixed on the bed temperature thermopair body.
2. thermopair according to claim 1; it is characterized in that: the diameter of stainless steel protection sleeve pipe is greater than the diameter of low temperature antifriction alloy protective casing, and the lower end of low temperature antifriction alloy protective casing extend into downwards in the sleeve pipe cavity of stainless steel protection sleeve pipe upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320240948.5U CN203203717U (en) | 2013-05-07 | 2013-05-07 | Thermocouple for measuring bed temperature of hearth in CFB boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320240948.5U CN203203717U (en) | 2013-05-07 | 2013-05-07 | Thermocouple for measuring bed temperature of hearth in CFB boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203717U true CN203203717U (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320240948.5U Expired - Fee Related CN203203717U (en) | 2013-05-07 | 2013-05-07 | Thermocouple for measuring bed temperature of hearth in CFB boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203717U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9799201B2 (en) | 2015-03-05 | 2017-10-24 | Honeywell International Inc. | Water heater leak detection system |
| CN107560744A (en) * | 2017-09-26 | 2018-01-09 | 无锡英罗唯森科技有限公司 | Thermometer bushing device |
| US9885484B2 (en) | 2013-01-23 | 2018-02-06 | Honeywell International Inc. | Multi-tank water heater systems |
| US9920930B2 (en) | 2015-04-17 | 2018-03-20 | Honeywell International Inc. | Thermopile assembly with heat sink |
| CN108195475A (en) * | 2018-02-07 | 2018-06-22 | 无锡华光锅炉股份有限公司 | A kind of mounting structure of hearth thermocouple |
| US10088852B2 (en) | 2013-01-23 | 2018-10-02 | Honeywell International Inc. | Multi-tank water heater systems |
| US10119726B2 (en) | 2016-10-06 | 2018-11-06 | Honeywell International Inc. | Water heater status monitoring system |
| US10132510B2 (en) | 2015-12-09 | 2018-11-20 | Honeywell International Inc. | System and approach for water heater comfort and efficiency improvement |
| US10670302B2 (en) | 2014-03-25 | 2020-06-02 | Ademco Inc. | Pilot light control for an appliance |
| CN112161719A (en) * | 2020-09-29 | 2021-01-01 | 无锡华光环保能源集团股份有限公司 | Mounting structure of bed temperature thermocouple of circulating fluidized bed boiler |
| US10969143B2 (en) | 2019-06-06 | 2021-04-06 | Ademco Inc. | Method for detecting a non-closing water heater main gas valve |
| US11592852B2 (en) | 2014-03-25 | 2023-02-28 | Ademco Inc. | System for communication, optimization and demand control for an appliance |
-
2013
- 2013-05-07 CN CN201320240948.5U patent/CN203203717U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9885484B2 (en) | 2013-01-23 | 2018-02-06 | Honeywell International Inc. | Multi-tank water heater systems |
| US10088852B2 (en) | 2013-01-23 | 2018-10-02 | Honeywell International Inc. | Multi-tank water heater systems |
| US10670302B2 (en) | 2014-03-25 | 2020-06-02 | Ademco Inc. | Pilot light control for an appliance |
| US11592852B2 (en) | 2014-03-25 | 2023-02-28 | Ademco Inc. | System for communication, optimization and demand control for an appliance |
| US9799201B2 (en) | 2015-03-05 | 2017-10-24 | Honeywell International Inc. | Water heater leak detection system |
| US10049555B2 (en) | 2015-03-05 | 2018-08-14 | Honeywell International Inc. | Water heater leak detection system |
| US10692351B2 (en) | 2015-03-05 | 2020-06-23 | Ademco Inc. | Water heater leak detection system |
| US9920930B2 (en) | 2015-04-17 | 2018-03-20 | Honeywell International Inc. | Thermopile assembly with heat sink |
| US10738998B2 (en) | 2015-04-17 | 2020-08-11 | Ademco Inc. | Thermophile assembly with heat sink |
| US10132510B2 (en) | 2015-12-09 | 2018-11-20 | Honeywell International Inc. | System and approach for water heater comfort and efficiency improvement |
| US10989421B2 (en) | 2015-12-09 | 2021-04-27 | Ademco Inc. | System and approach for water heater comfort and efficiency improvement |
| US10119726B2 (en) | 2016-10-06 | 2018-11-06 | Honeywell International Inc. | Water heater status monitoring system |
| CN107560744A (en) * | 2017-09-26 | 2018-01-09 | 无锡英罗唯森科技有限公司 | Thermometer bushing device |
| CN108195475A (en) * | 2018-02-07 | 2018-06-22 | 无锡华光锅炉股份有限公司 | A kind of mounting structure of hearth thermocouple |
| US10969143B2 (en) | 2019-06-06 | 2021-04-06 | Ademco Inc. | Method for detecting a non-closing water heater main gas valve |
| CN112161719A (en) * | 2020-09-29 | 2021-01-01 | 无锡华光环保能源集团股份有限公司 | Mounting structure of bed temperature thermocouple of circulating fluidized bed boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20160507 |