CN210774370U - Cooling device for infrared temperature measurement of direct-fired waste gas incinerator - Google Patents
Cooling device for infrared temperature measurement of direct-fired waste gas incinerator Download PDFInfo
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- CN210774370U CN210774370U CN201921462609.5U CN201921462609U CN210774370U CN 210774370 U CN210774370 U CN 210774370U CN 201921462609 U CN201921462609 U CN 201921462609U CN 210774370 U CN210774370 U CN 210774370U
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- air pipeline
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Abstract
The utility model discloses a cooling device for infrared temperature measurement of a direct-fired waste gas incinerator, belonging to the technical field of petrochemical engineering tail gas treatment; the infrared temperature measuring device comprises a first rotor flowmeter, a second rotor flowmeter and an instrument air pipeline, wherein one end of the instrument air pipeline is connected with an instrument air supply device, and the other end of the instrument air pipeline is connected with the front end of a lens of the infrared temperature measuring device through a first branch pipe; the instrument air pipeline is arranged outside the infrared thermometer body through a second branch pipe; the first branch pipe is provided with a first rotor flowmeter, and the second branch pipe is provided with a second rotor flowmeter; in the practical application process of the cooling device, the flow value can be observed in real time, the infrared thermometer is well cooled, and the stable and safe operation of an infrared temperature measurement system is guaranteed; the pressure loss is small, and the maintenance is convenient.
Description
Technical Field
The utility model discloses petrochemical tail gas treatment technical field specifically is a cooling device that is used for direct combustion formula waste gas to burn burning furnace infrared temperature measurement.
Background
In the current tail gas treatment process of petrochemical industry and coal chemical industry, a direct-fired waste gas incinerator is usually adopted to treat VOCs, the treatment temperature is generally 780-1200 ℃, VOCs are subjected to oxidation reaction in the temperature range, and are fully oxidized and decomposed into carbon dioxide and water in an oxidation chamber, and secondary pollutants such as nitrides and the like are not generated in the combustion process.
It can be seen that the temperature index is one of the important parameters controlling the efficient operation of the TO furnace. Because the infrared thermometer can reflect the temperature in the furnace in real time, the problems of temperature feedback lag of temperature measurement components such as a thermocouple and the like do not exist. An infrared thermometer is commonly used for detecting the temperature of the TO furnace. Infrared thermometry determines the magnitude of temperature by the radiant energy generated by an object within a narrow wavelength range. The thermometer measures the average temperature over an area, the measurement being affected by emissivity, contamination of the lens, and background radiation.
Due TO the explosion-proof requirement of the petroleum, chemical and coal chemical industries, the infrared thermometer is generally installed in an explosion-proof shell, and the infrared thermometer needs TO directly observe the flame condition in the furnace and needs TO be in direct contact with a TO furnace running at high temperature, so that the working environment temperature of the infrared thermometer is severe, and the performance of electric elements of the thermometer can be influenced by long-time high temperature, and the temperature measuring accuracy is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a cooling device for direct combustion formula waste gas burns burning furnace infrared temperature measurement, and the purpose reduces the surface temperature who burns burning furnace infrared thermometer, improves the temperature measurement accuracy.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A cooling device for infrared temperature measurement of a direct-fired waste gas incinerator is characterized in that an infrared thermometer is arranged in an explosion-proof shell of the incinerator and comprises a thermometer body and a lens arranged at the front end of the thermometer body, the cooling device comprises a first rotor flow meter, a second rotor flow meter and an instrument air pipeline, one end of the instrument air pipeline is connected with an instrument air supply device, the other end of the instrument air pipeline is communicated with the explosion-proof shell through a first branch pipe, and one end, far away from the instrument air pipeline, of the first branch pipe is arranged at the front end of the lens; the instrument air pipeline is communicated with the explosion-proof shell through a second branch pipe, and one end, far away from the instrument air pipeline, of the second branch pipe is arranged outside the thermometer body; the first branch pipe is provided with the first rotor flowmeter, and the second branch pipe is provided with the second rotor flowmeter.
Furthermore, a first control valve is arranged on the first branch pipe.
Furthermore, a second control valve is arranged on the second branch pipe.
The utility model discloses produced beneficial effect does for prior art.
1. According to the measurement characteristics of the infrared thermometer, in order to overcome the influence of water vapor and dust on the thermometer, a first rotor flowmeter and a matched pipeline valve are arranged for blowing the front of a lens to ensure that the dust and water vapor in front of the lens of the infrared thermometer are not accumulated on the lens,
2. in order to reduce the influence of the change of the working temperature of the electronic component on the emissivity change of the infrared thermometer. The second rotor flowmeter and the matched pipeline valve are arranged to blow the infrared thermometer body arranged in the explosion-proof shell, so that the infrared thermometer can operate at a proper working temperature.
3. In the practical application process of the cooling system, the operation effect is good, the infrared thermometer is well cooled, and the stable and safe operation of the infrared temperature measurement system is guaranteed.
4. By utilizing the advantage of strong visibility of the rotameter, the flow value can be observed in real time, and the sufficient purging flow is ensured, so that the infrared thermometer can be safely operated. The matched valve is used, the opening of the valve can be adjusted in real time according to the operation temperature of the system, so that the flow of the sweeping gas is adjusted, and the stable operation of the infrared thermometer is guaranteed.
5. The device has the characteristics of simple and visual structure, small pressure loss, convenient maintenance and the like.
Drawings
Fig. 1 is a schematic structural diagram of the cooling device of the present invention.
The system comprises a incinerator 1, a temperature measuring instrument body 2, a lens 3, a first rotor flowmeter 4, a second rotor flowmeter 5, an instrument air pipeline 6, an instrument air supply device 7, a first branch pipe 8, a second branch pipe 9, a first control valve 10 and a second control valve 11.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the cooling device for infrared temperature measurement of the direct-fired waste gas incinerator is provided, an infrared thermometer is arranged in an explosion-proof housing of the incinerator 1, the infrared thermometer comprises a thermometer body 2 and a lens 3 arranged at the front end of the thermometer body 2, the cooling device comprises a first rotor flow meter 4 with a model of BFS01, a second rotor flow meter 5 with a model of BFS02 and an instrument air pipeline 6, one end of the instrument air pipeline 6 is connected with an instrument air supply device 7, the other end of the instrument air pipeline is communicated with the explosion-proof housing through a first branch pipe 8, and one end of the first branch pipe 8, which is far away from the instrument air pipeline 6, is arranged at the front end of the lens 3; the instrument air pipeline 6 is communicated with the explosion-proof shell through a second branch pipe 9, and one end, far away from the instrument air pipeline 6, of the second branch pipe 9 is arranged outside the temperature measuring instrument body 2; the first branch pipe 8 is provided with a first rotameter 4 and a first control valve 10, and the second branch pipe 9 is provided with a second rotameter 5 and a second control valve 11.
According to the measurement characteristics of the infrared thermometer, in order to overcome the influence of water vapor and dust on the thermometer, the BFS01 first rotor flowmeter 4 and a matched pipeline valve are arranged to blow the front of the lens 3, so that the dust and water vapor in front of the lens 3 of the infrared thermometer are prevented from being accumulated on the lens.
In order to reduce the influence of the change of the working temperature of the electronic component on the emissivity change of the infrared thermometer. The BFS02 second rotor flow meter 5 and the matched pipeline valve are arranged to blow the thermometer body 2 arranged in the explosion-proof shell, and the infrared thermometer can be operated at a proper working temperature.
In the practical application process of the cooling system, the operation effect is good, the infrared thermometer is well cooled, and the stable and safe operation of the infrared temperature measurement system is guaranteed.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (3)
1. A cooling device for infrared temperature measurement of a direct-fired waste gas incinerator is characterized in that an infrared thermometer is arranged in an explosion-proof shell of the incinerator (1) and comprises a thermometer body (2) and a lens (3) arranged at the front end of the thermometer body (2), the cooling device comprises a first rotor flow meter (4), a second rotor flow meter (5) and an instrument air pipeline (6), one end of the instrument air pipeline (6) is connected with an instrument air supply device (7), the other end of the instrument air pipeline is communicated with the explosion-proof shell through a first branch pipe (8), and one end, far away from the instrument air pipeline (6), of the first branch pipe (8) is arranged at the front end of the lens (3); the instrument air pipeline (6) is communicated with the explosion-proof shell through a second branch pipe (9), and one end, far away from the instrument air pipeline (6), of the second branch pipe (9) is arranged outside the thermometer body (2); the first branch pipe (8) is provided with the first rotor flowmeter (4), and the second branch pipe (9) is provided with the second rotor flowmeter (5).
2. The cooling device for infrared temperature measurement of a direct-fired waste gas incinerator according to claim 1, characterized in that the first branch pipe (8) is provided with a first control valve (10).
3. The cooling device for infrared temperature measurement of a direct-fired waste gas incinerator according to claim 1, characterized in that the second branch pipe (9) is provided with a second control valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462609.5U CN210774370U (en) | 2019-09-04 | 2019-09-04 | Cooling device for infrared temperature measurement of direct-fired waste gas incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921462609.5U CN210774370U (en) | 2019-09-04 | 2019-09-04 | Cooling device for infrared temperature measurement of direct-fired waste gas incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210774370U true CN210774370U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921462609.5U Active CN210774370U (en) | 2019-09-04 | 2019-09-04 | Cooling device for infrared temperature measurement of direct-fired waste gas incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210774370U (en) |
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2019
- 2019-09-04 CN CN201921462609.5U patent/CN210774370U/en active Active
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