CN203323896U - Corrosion resistant thermocouple for measuring flue gas - Google Patents
Corrosion resistant thermocouple for measuring flue gas Download PDFInfo
- Publication number
- CN203323896U CN203323896U CN2013202762778U CN201320276277U CN203323896U CN 203323896 U CN203323896 U CN 203323896U CN 2013202762778 U CN2013202762778 U CN 2013202762778U CN 201320276277 U CN201320276277 U CN 201320276277U CN 203323896 U CN203323896 U CN 203323896U
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- protective casing
- flue gas
- thermometric
- annular air
- corrosion
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Abstract
The utility model relates to a corrosion resistant thermocouple for measuring a flue gas. The corrosion resistant thermocouple for measuring the flue gas comprises a junction box, temperature measurement core bodies, a leakage blocking device and a protection casing pipe. The protection casing pipe is fixedly arranged at the lower end of the junction box via the leakage blocking device, the temperature measurement core bodies are fixedly arranged at the lower end of the junction box in the protection casing pipe, and the middle part of the protection casing pipe is connected with the middle part of a gas blowpipe via a communicating pipe. One end of the gas blowpipe is equipped with an inert gas inlet, and the lower end of the protection casing pipe is equipped with an air vent. The corrosion resistant thermocouple for measuring the flue gas of the utility model is simple in structure and manufacture, scientific and reasonable in design, lower in cost, rapid in temperature measurement speed and good in impact resistant and corrosion resistant effects, and enables the service life to be prolonged.
Description
Technical field
The utility model belongs to area of thermocouples, especially a kind ofly measures the corrosion-resistant thermopair that flue gas is used.
Background technology
Thermopair is one of common tool of thermometric; in the Coal Chemical Industry industry, application is comparatively extensive; the reburner of Coal Chemical Industry is used temperature in the thermocouple monitoring stove; produce flue gas in reburner, its flue gas content is mainly reducibility gas, mainly comprises carbon monoxide, sulfuretted hydrogen and chlorine etc.; when in to reburner, temperature is detected; 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 purpose of this utility model is to overcome the deficiencies in the prior art, a kind of corrosion-resistant thermopair that flue gas is used of measuring is provided, this thermocouple structure is simple, design science rationally, make simple, cost is lower, extended serviceable life, fast, the shock-resistant corrosive effect of thermometric speed is good.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind ofly measure the corrosion-resistant thermopair that flue gas is used; comprise terminal box, thermometric core body, Drain Resistance device and protective casing; protective casing is packed in the terminal box lower end by the Drain Resistance device; the thermometric core body is packed in the terminal box lower end in protective casing; its protective casing middle part connects a gas blow pipe middle part by a connecting pipe; gas blow pipe one end offers inert gas import, and blow vent is offered in the protective casing lower end.
And, be fixedly mounted with annular air scoop at described protective casing blow vent one end, form thermal-arrest thermometric chamber, thermal-arrest thermometric Qiang，Gai center, center between annular air scoop and protective casing and be communicated with protective casing is interior.
And described annular air scoop quantity is 2-5, coaxial spaced setting from inside to outside, form auxiliary thermal-arrest thermometric chamber between internal layer annular air scoop and outer annular air scoop.
And described protective casing outer wall and gas blow pipe outer wall are fixedly mounted with a flange, are provided with hanger on flange.
And, be set with collet on the protective casing below described flange and gas blow pipe, fill ceramic fiber cotton between collet and protective casing.
Advantage of the present utility model and beneficial effect are:
1, the corrosion-resistant thermopair that this measurement flue gas is used, comprise terminal box, the thermometric core body, Drain Resistance device and protective casing, protective casing is packed in the terminal box lower end by the Drain Resistance device, the thermometric core body is packed in the terminal box lower end in protective casing, its protective casing middle part connects a gas blow pipe middle part by a connecting pipe, gas blow pipe one end offers inert gas import, blow vent is offered in the protective casing lower end, be arranged on the gas blow pipe middle part in this structure communicating pipe, make inert gas realize the process of reducing speed and reduction of speed shunting from gas blow pipe, contribute to inert gas by entering in protective casing the protection to the thermometric core body communicating pipe, saved the use of inert gas.
2, the corrosion-resistant thermopair that this measurement flue gas is used is fixedly mounted with annular air scoop at described protective casing blow vent one end; form thermal-arrest thermometric chamber, center between annular air scoop and protective casing; this thermal-arrest thermometric chamber, center is communicated with in protective casing; the annular air scoop arranges and effectively prevents the impingment corrosion of flue gas particle to the thermocouple temperature measurement core body; extended serviceable life; make to measure by the effective collection to heat in addition and react faster, temperature survey is more accurate.
The annular air scoop quantity of the corrosion-resistant thermopair that 3, this measurement flue gas is used is 2-5, coaxial spaced setting from inside to outside, form auxiliary thermal-arrest thermometric chamber between internal layer annular air scoop and outer annular air scoop, the multi-layer annular air scoop better plays the effect of collecting heat, the heat of dispersion can be concentrated, increase heat and gather area, be contributed to temperature Measurement accuracy fully, the annular air scoop also has conductive force concurrently, can make thermometric core body sensitive measurement more.
Protective casing outer wall and the gas blow pipe outer wall of the corrosion-resistant thermopair that 4, this measurement flue gas is used are fixedly mounted with a flange; be provided with hanger on flange; be set with collet on protective casing below flange and gas blow pipe; fill ceramic fiber cotton between collet and protective casing; effectively reduce the impact of non-heat acquisition zone on the measuring point temperature; and can improve protective casing anticorrosive property on non-measuring junction, increase the service life.
5, the utility model is simple in structure, design science is reasonable, making is simple, cost is lower, extended serviceable life, fast, the shock-resistant corrosive effect of thermometric speed is good.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The A section enlarged drawing that Fig. 2 is Fig. 1.
Embodiment
Below by specific embodiment, the utility model is described in further detail, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind ofly measure the corrosion-resistant thermopair that flue gas is used, comprise terminal box 1, thermometric core body 11, Drain Resistance device 3 and protective casing 4, protective casing is packed in the terminal box lower end by the Drain Resistance device, the thermometric core body is packed in the terminal box lower end in protective casing, the quantity of thermometric core body can be for a plurality of, the present embodiment thermometric core body shown in the drawings is 2, a plurality of thermometric core bodys can be fixing by the stripper loop 14 in protective casing, its protective casing middle part connects gas blow pipe 9 middle parts by a connecting pipe 8, gas blow pipe one end offers inert gas import 2, blow vent 12 is offered in the protective casing lower end.Be fixedly mounted with annular air scoop 13 at described protective casing blow vent one end, form thermal-arrest thermometric chamber, 15，Gai center, thermal-arrest thermometric chamber, center between annular air scoop and protective casing and be communicated with protective casing is interior.Annular air scoop quantity is 2-5, and the present embodiment annular air scoop shown in the drawings is 3, and coaxial spaced setting from inside to outside forms auxiliary thermal-arrest thermometric chamber 16 between internal layer annular air scoop and outer annular air scoop.Protective casing outer wall and gas blow pipe outer wall are fixedly mounted with a flange 6, are provided with hanger 5 on flange, on the protective casing below flange and gas blow pipe, are set with collet 10, fill ceramic fiber cotton 7 between collet and protective casing.
Annular air scoop has been installed on the protective casing of the utility model measuring junction; 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, after especially having auxiliary thermal-arrest thermometric chamber.
Claims (5)
1. measure the corrosion-resistant thermopair that flue gas is used for one kind; comprise terminal box, thermometric core body, Drain Resistance device and protective casing; protective casing is packed in the terminal box lower end by the Drain Resistance device; the thermometric core body is packed in the terminal box lower end in protective casing; it is characterized in that: the protective casing middle part connects a gas blow pipe middle part by a connecting pipe; gas blow pipe one end offers inert gas import, and blow vent is offered in the protective casing lower end.
2. the corrosion-resistant thermopair that measurement flue gas according to claim 1 is used; it is characterized in that: at described protective casing blow vent one end, be fixedly mounted with annular air scoop; forming thermal-arrest thermometric chamber, thermal-arrest thermometric Qiang，Gai center, center between annular air scoop and protective casing is communicated with protective casing is interior.
3. the corrosion-resistant thermopair that measurement flue gas according to claim 2 is used, it is characterized in that: described annular air scoop quantity is 2-5, coaxial spaced setting from inside to outside, form auxiliary thermal-arrest thermometric chamber between internal layer annular air scoop and outer annular air scoop.
4. the corrosion-resistant thermopair that measurement flue gas according to claim 1 is used is characterized in that: described protective casing outer wall and gas blow pipe outer wall are fixedly mounted with a flange, are provided with hanger on flange.
5. the corrosion-resistant thermopair that measurement flue gas according to claim 4 is used is characterized in that: be set with collet on the protective casing below described flange and gas blow pipe, between collet and protective casing, fill ceramic fiber cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202762778U CN203323896U (en) | 2013-05-21 | 2013-05-21 | Corrosion resistant thermocouple for measuring flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202762778U CN203323896U (en) | 2013-05-21 | 2013-05-21 | Corrosion resistant thermocouple for measuring flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323896U true CN203323896U (en) | 2013-12-04 |
Family
ID=49663236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202762778U Withdrawn - After Issue CN203323896U (en) | 2013-05-21 | 2013-05-21 | Corrosion resistant thermocouple for measuring flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323896U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278255A (en) * | 2013-05-21 | 2013-09-04 | 天津市中环温度仪表有限公司 | Corrosion resistance thermocouple used for measuring smoke |
| CN106989838A (en) * | 2017-05-22 | 2017-07-28 | 天津市中环温度仪表有限公司 | The double branch multipoint thermocouple core bodys of one kind synthesis |
-
2013
- 2013-05-21 CN CN2013202762778U patent/CN203323896U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278255A (en) * | 2013-05-21 | 2013-09-04 | 天津市中环温度仪表有限公司 | Corrosion resistance thermocouple used for measuring smoke |
| CN103278255B (en) * | 2013-05-21 | 2016-03-02 | 天津市中环温度仪表有限公司 | Measure the corrosion resistance thermocouple of flue gas |
| CN106989838A (en) * | 2017-05-22 | 2017-07-28 | 天津市中环温度仪表有限公司 | The double branch multipoint thermocouple core bodys of one kind synthesis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20160302 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |