CN103245431A - Thermocouple for measuring smoke - Google Patents
Thermocouple for measuring smoke Download PDFInfo
- Publication number
- CN103245431A CN103245431A CN2013101874785A CN201310187478A CN103245431A CN 103245431 A CN103245431 A CN 103245431A CN 2013101874785 A CN2013101874785 A CN 2013101874785A CN 201310187478 A CN201310187478 A CN 201310187478A CN 103245431 A CN103245431 A CN 103245431A
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- protective casing
- annular air
- air scoop
- flue gas
- thermometric
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention relates to a thermocouple for measuring smoke, comprising a junction box, a temperature measurement core body and a protective casing, wherein the protective casing is fixedly arranged on the lower end of the junction box; the temperature measurement core body is fixedly arranged on the lower end of the junction box in the protective casing; an annular air guide hood is fixedly arranged on the lower end of the protective casing; and a center heat collection temperature measurement cavity is formed between the annular air guide hood and the protective casing. The thermocouple is simple in structure, scientific and reasonable in design, simple to manufacture, lower in cost, rapid in temperature measurement speed, and good in impact and corrosion resistance effect; and the service life of the thermocouple is prolonged.
Description
Technical field
The invention belongs to area of thermocouples, especially a kind of measurement flue gas thermopair.
Background technology
In the Coal Chemical Industry industry; need multiple combustion furnace; reburner is exactly wherein a kind of; produce flue gas in the reburner, its flue gas content mainly is reducibility gas, mainly comprises carbon monoxide, sulfuretted hydrogen and chlorine etc.; when temperature detects in to reburner; flue gas particle is serious to the protecting tube impingment corrosion, has shortened the serviceable life of temperature thermocouple, and the thermometric reaction is slower when thermometric.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of measurement flue gas thermopair be provided, this thermocouple structure is simple, design science rationally, make simple, cost is lower, prolonged serviceable life, fast, the shock-resistant corrosive effect of thermometric speed is good.
The present invention solves its technical matters and is achieved through the following technical solutions:
A kind of measurement flue gas thermopair; comprise terminal box, thermometric core body and protective casing; protective casing is packed in the terminal box lower end; the thermometric core body is packed in the terminal box lower end in the protective casing; it installs annular air scoop in the protective casing lower end, forms thermal-arrest thermometric chamber, center between annular air scoop and the protective casing.
And described annular air scoop quantity is 2-5, and coaxial spaced setting from inside to outside forms auxiliary thermal-arrest thermometric chamber between internal layer annular air scoop and the outer annular air scoop.
And described protective casing outer wall is fixed with flange, and flange is provided with hanger.
And, be set with collet on the protective casing below the described flange, fill the ceramic fiber cotton between collet and the protective casing.
Advantage of the present invention and beneficial effect are:
1, this measurement flue gas thermopair; comprise terminal box, thermometric core body and protective casing; protective casing is packed in the terminal box lower end; the thermometric core body is packed in the terminal box lower end in the protective casing; it installs annular air scoop in the protective casing lower end; form thermal-arrest thermometric chamber, center between annular air scoop and the protective casing; the annular air scoop arranges and prevents that effectively flue gas particle is to the impingment corrosion of thermocouple measurement end; prolonged serviceable life; make to measure by the effective collection to heat in addition and react faster, temperature survey is more accurate.
2, this measurement flue gas is 2-5 with the annular air scoop quantity of thermopair, coaxial spaced setting from inside to outside, form auxiliary thermal-arrest thermometric chamber between internal layer annular air scoop and the outer annular air scoop, the multi-layer annular air scoop better plays the effect of collecting heat, the heat that disperses can be concentrated, increase heat and gather area, help temperature accurately to measure fully, the annular air scoop also has conductive force concurrently, can make thermometric core body sensitive measurement more.
3, be set with collet on the protective casing of this measurement flue gas below the flange of thermopair; fill the ceramic fiber cotton between collet and the protective casing; effectively reduce non-heat acquisition zone to the measuring point Temperature Influence; and can improve protective casing anticorrosive property on the non-measuring junction, increase the service life.
4, the present invention is simple in structure, design science is reasonable, making is simple, cost is lower, prolonged serviceable life, fast, the shock-resistant corrosive effect of thermometric speed is good.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to partial sectional view;
Fig. 3 is the B portion enlarged drawing of Fig. 2.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of measurement flue gas thermopair; comprise terminal box 1, thermometric core body 7 and protective casing 2; protective casing is packed in the terminal box lower end; the thermometric core body is packed in the terminal box lower end in the protective casing; the protective casing outer wall is fixed with flange 4; flange is provided with hanger 3; be set with collet 5 on the protective casing below the flange; fill the ceramic fiber cotton between collet and the protective casing; it installs annular air scoop 6 in the protective casing lower end, form thermal-arrest thermometric chamber, center 8 between annular air scoop and the protective casing.This annular air scoop quantity is 2-5, and present embodiment annular air scoop quantity shown in the drawings is 3, and coaxial spaced setting from inside to outside forms auxiliary thermal-arrest thermometric chamber 9 between internal layer annular air scoop and the outer annular air scoop.
Annular air scoop has been installed on the protective casing of measuring junction of the present invention; when measuring; irregular flue gas stream is steadily passed through the protective casing measuring junction by annular air scoop; the thermometric core body is by measuring center thermal-arrest thermometric cavity temperature; realized measuring accurately; the setting of multi-layer annular guide ring is conducive to thermometric accuracy more, especially have auxiliary thermal-arrest thermometric chamber after.
Claims (4)
1. measure the flue gas thermopair for one kind; comprise terminal box, thermometric core body and protective casing; protective casing is packed in the terminal box lower end; the thermometric core body is packed in the terminal box lower end in the protective casing; it is characterized in that: install annular air scoop in the protective casing lower end, form thermal-arrest thermometric chamber, center between annular air scoop and the protective casing.
2. measurement flue gas thermopair according to claim 1 is characterized in that: described annular air scoop quantity is 2-5, and coaxial spaced setting from inside to outside forms between internal layer annular air scoop and the outer annular air scoop and assists thermal-arrest thermometric chamber.
3. measurement flue gas thermopair according to claim 1, it is characterized in that: described protective casing outer wall is fixed with flange, and flange is provided with hanger.
4. measurement flue gas thermopair according to claim 3 is characterized in that: be set with collet on the protective casing below the described flange, fill the ceramic fiber cotton between collet and the protective casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187478.5A CN103245431B (en) | 2013-05-21 | 2013-05-21 | Measure flue gas thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187478.5A CN103245431B (en) | 2013-05-21 | 2013-05-21 | Measure flue gas thermocouple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103245431A true CN103245431A (en) | 2013-08-14 |
| CN103245431B CN103245431B (en) | 2016-03-02 |
Family
ID=48925101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187478.5A Active CN103245431B (en) | 2013-05-21 | 2013-05-21 | Measure flue gas thermocouple |
Country Status (1)
| Country | Link |
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| CN (1) | CN103245431B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141664A (en) * | 2018-10-08 | 2019-01-04 | 上海理工大学 | High-pressure fluid temperature measuring equipment in managing |
| CN114754887A (en) * | 2022-06-15 | 2022-07-15 | 华泰永创(北京)科技股份有限公司 | Thermocouple and temperature measuring device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854729A (en) * | 1987-08-31 | 1989-08-08 | Agip Petroli S.P.A. | Temperature detecting apparatus for pipes in refinery furnaces and the like |
| WO1995018960A1 (en) * | 1994-01-10 | 1995-07-13 | Thiokol Corporation | Rugged quick-response thermocouple for use in evaluating gas generants and gas generators |
| CN2211558Y (en) * | 1994-03-23 | 1995-11-01 | 廖良斌 | High performance energy saving magnetized water heater |
| CN2835967Y (en) * | 2005-11-04 | 2006-11-08 | 贵阳铝镁设计研究院 | Flue temperature thermocouple protecting device for anode roasting oven |
| CN101806638A (en) * | 2009-02-13 | 2010-08-18 | 天津市中环温度仪表有限公司 | Quick-response leakproof high-temperature thermocouple |
| CN201740604U (en) * | 2010-06-12 | 2011-02-09 | 李硕 | Dust-containing airflow temperature sensor |
| CN201844890U (en) * | 2010-09-17 | 2011-05-25 | 江苏绿叶锅炉有限公司 | Temperature sensing probe |
| CN203298890U (en) * | 2013-05-21 | 2013-11-20 | 天津市中环温度仪表有限公司 | Thermocouple for measuring flue gas |
-
2013
- 2013-05-21 CN CN201310187478.5A patent/CN103245431B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4854729A (en) * | 1987-08-31 | 1989-08-08 | Agip Petroli S.P.A. | Temperature detecting apparatus for pipes in refinery furnaces and the like |
| WO1995018960A1 (en) * | 1994-01-10 | 1995-07-13 | Thiokol Corporation | Rugged quick-response thermocouple for use in evaluating gas generants and gas generators |
| CN2211558Y (en) * | 1994-03-23 | 1995-11-01 | 廖良斌 | High performance energy saving magnetized water heater |
| CN2835967Y (en) * | 2005-11-04 | 2006-11-08 | 贵阳铝镁设计研究院 | Flue temperature thermocouple protecting device for anode roasting oven |
| CN101806638A (en) * | 2009-02-13 | 2010-08-18 | 天津市中环温度仪表有限公司 | Quick-response leakproof high-temperature thermocouple |
| CN201740604U (en) * | 2010-06-12 | 2011-02-09 | 李硕 | Dust-containing airflow temperature sensor |
| CN201844890U (en) * | 2010-09-17 | 2011-05-25 | 江苏绿叶锅炉有限公司 | Temperature sensing probe |
| CN203298890U (en) * | 2013-05-21 | 2013-11-20 | 天津市中环温度仪表有限公司 | Thermocouple for measuring flue gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141664A (en) * | 2018-10-08 | 2019-01-04 | 上海理工大学 | High-pressure fluid temperature measuring equipment in managing |
| CN114754887A (en) * | 2022-06-15 | 2022-07-15 | 华泰永创(北京)科技股份有限公司 | Thermocouple and temperature measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103245431B (en) | 2016-03-02 |
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