CN211697494U - Online detector for detecting HF gas content - Google Patents
Online detector for detecting HF gas content Download PDFInfo
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- CN211697494U CN211697494U CN201922108026.9U CN201922108026U CN211697494U CN 211697494 U CN211697494 U CN 211697494U CN 201922108026 U CN201922108026 U CN 201922108026U CN 211697494 U CN211697494 U CN 211697494U
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Abstract
The utility model relates to a detect HF gas content's on-line measuring appearance, include: the device comprises a protective cover, a measuring device, a ball valve device, a pressure sensor and a mounting bottom plate; the protective cover is arranged on the mounting bottom plate, and the measuring device is arranged in the protective cover and is arranged on the mounting bottom plate; the measuring device comprises: the device comprises a measuring chamber, a laser transmitting end, a receiving end detector and a plane reflector; the measuring chamber is arranged on the mounting base plate, the laser transmitting end and the receiving end detector are both fixedly arranged on the mounting base plate and are arranged at one end of the measuring chamber, and the plane reflector is arranged on the mounting base plate and is arranged at the other end of the measuring chamber; the pressure sensor is connected with the measuring chamber and arranged on the top surface of the protective cover, and the ball valve assembly is connected with the measuring chamber. The utility model discloses an install detection device and laser emission, receiving arrangement in the protection casing to with pneumatic valve and sensor setting outside the protection casing, its reliability is high, simple structure makes things convenient for the dismouting, and easy operation, work efficiency is high.
Description
Technical Field
The utility model relates to a detection device technical field, more specifically say, relate to a detect HF gas content's online detector.
Background
At present, the centrifugal uranium concentration is the main mode of the current uranium concentration, the natural uranium is concentrated into low-concentration uranium for nuclear power plant fuel, and the technological medium of the centrifugal uranium concentration is UF6Gas, UF6The gas can produce HF gas, UF, when it meets water vapor6The increase of the content of HF gas in the process gas can reduce the uranium concentration efficiency and increase the corrosion loss of a centrifuge and a process pipeline, and the increase of the content of the HF gas also indicates that the process pipeline has problems in sealing and needs leak detection and leak stoppage treatment. UF from uranium centrifugal concentration plants in the prior art6The HF gas content in the process gas is measured by a bridge type balance resistor, a reference resistor is arranged in a uranium-depleted chamber (the HF gas content of the chamber is generally considered to be zero), accurate HF gas content cannot be given, only the HF gas content is qualitatively measured, and UF is centrifugally concentrated by uranium6The process gas does not contain oxygen, so that an HF gas content detector based on an electrochemical sensor cannot be adopted; UF6The detector for HF gas content in process gas meets the requirements of uranium centrifugal concentration process and UF6The nature of the gas.
The existing solution has the following disadvantages:
1. the accurate HF gas content cannot be measured, and only the HF gas content is qualitatively measured;
2. the traditional detector can not meet the characteristics of the uranium centrifugal concentration process and UF6The nature of the gas.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, solve characteristics and UF that traditional detector can't satisfy uranium centrifugal concentration technology6The characteristics of the gas and the accurate HF gas content can not be measured.
The utility model provides a technical scheme that its technical problem adopted is: the online detector for detecting the HF gas content is constructed, the detection device and the laser emission and receiving device are arranged in the protective cover, and the gas valve and the sensor are arranged outside the protective cover, so that the online detector is high in reliability, simple in structure, convenient to disassemble and assemble, simple to operate and high in working efficiency.
In the online detector for detecting HF gas content of the present invention, the online detector comprises: the device comprises a protective cover, a measuring device, a ball valve assembly, a pressure sensor and a mounting base plate;
the protective cover is arranged on the mounting bottom plate, and the measuring device is arranged in the protective cover and is arranged on the mounting bottom plate;
the measuring device comprises: the device comprises a measuring chamber, a laser transmitting end, a receiving end detector and a plane reflector;
the measuring chamber is arranged on the mounting base plate, the laser transmitting end and the receiving end detector are both fixedly arranged on the mounting base plate and are arranged at one end of the measuring chamber, and the plane reflector is arranged on the mounting base plate and is arranged at the other end of the measuring chamber;
the pressure sensor is connected with the measuring chamber and is arranged on the top surface of the protective cover, and the ball valve assembly is connected with the measuring chamber and is arranged on the top surface of the protective cover.
In an online detector for detecting HF gas content, the protective cover is a hollow square box structure, and the top of the protective cover is provided with two ball valve through holes.
In an on-line detecting apparatus for detecting HF gas content, a sensor through hole is further provided on the top of the protecting cover.
In the online detecting apparatus for detecting HF gas content of the present invention, the apparatus further comprises: an air inlet ball valve interface, an air outlet ball valve interface and a sensor interface;
the air inlet ball valve interface, the air outlet ball valve interface and the sensor interface are all arranged on the outer wall of the measuring chamber.
In an on-line detecting instrument for detecting HF gas content, a ball valve assembly includes: an inlet ball valve and an outlet ball valve;
the air inlet ball valve is arranged on the air inlet ball valve interface and is arranged in the ball valve through hole;
the air outlet ball valve is arranged on the air outlet ball valve interface and is arranged in the ball valve through hole;
the pressure sensor is installed on the sensor interface and is arranged in the sensor through hole.
In an online detector for detecting HF gas content, an air inlet ball valve interface, an air outlet ball valve interface and a sensor interface are all fixedly connected with a protective cover.
In an on-line measuring instrument for detecting HF gas content, a laser emitting end is disposed between a receiving end detector and a measuring chamber.
In an on-line measuring instrument for detecting HF gas content, the two ends of the measuring chamber are both provided with air chamber flanges.
In the on-line detector for detecting HF gas content, the connecting part of the air inlet ball valve interface is provided with an air inlet flange, and the connecting part of the air outlet ball valve interface is provided with an air outlet flange;
the connecting part of the sensor interface is provided with a pressure sensor flange.
In the on-line detector for detecting HF gas content, a temperature sensor mounting hole is arranged on the outer side wall of the measuring chamber;
the bottom of the mounting bottom plate is provided with two shock pads which are respectively arranged at two ends of the mounting bottom plate.
According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model provides a detect HF gas content's on-line measuring appearance through with detection device and laser emission, receiving arrangement built-in the protection casing to with pneumatic valve and sensor setting outside the protection casing, its reliability is high, simple structure, makes things convenient for the dismouting, and easy operation, work efficiency is high.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a perspective view of an on-line measuring apparatus for measuring HF gas content according to the present invention;
FIG. 2 is a front view of an on-line measuring apparatus for measuring HF gas content according to the present invention;
FIG. 3 is a perspective view of an online measuring device for detecting HF gas content according to the present invention;
fig. 4 is a front view of the measuring device of the on-line measuring instrument for detecting HF gas content of the present invention.
In the figure, 1, a shield; 2. mounting a bottom plate; 3. an intake ball valve; 4. an air outlet ball valve; 5. a pressure sensor; 6. a shock pad; 7. a receiving end detector; 8. a laser emitting end; 9. a plane mirror; 10. An inlet ball valve interface; 11. an air outlet ball valve interface; 12. a sensor interface; 13. a measurement chamber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, an on-line measuring instrument for measuring the content of HF gas includes: the device comprises a protective cover 1, a measuring device, a ball valve assembly, a pressure sensor 5 and a mounting base plate 2;
the protective cover 1 is arranged on the installation bottom plate 2, and the measuring device is arranged in the protective cover 1 and is arranged on the installation bottom plate 2;
the measuring device comprises: a measuring chamber 13, a laser transmitting end 8, a receiving end detector 7 and a plane reflector;
the measuring chamber 13 is arranged on the mounting base plate 2, the laser emitting end 8 and the receiving end detector 7 are both fixedly arranged on the mounting base plate 2 and arranged at one end of the measuring chamber 13, and the plane reflector 9 is arranged on the mounting base plate 2 and arranged at the other end of the measuring chamber 13;
the pressure sensor 5 is connected with the measuring chamber 13 and arranged on the top surface of the protective cover 1, and the ball valve assembly is connected with the measuring chamber 13 and arranged on the top surface of the protective cover 1.
Further, the protection casing 1 is a hollow square box structure, and two ball valve through holes are formed in the top end of the protection casing 1.
Further, the top end of the protective cover 1 is also provided with a sensor through hole.
Further, still include: an air inlet ball valve interface 10, an air outlet ball valve interface 11 and a sensor interface 12;
the inlet ball valve interface 10, the outlet ball valve interface 11 and the sensor interface 12 are all arranged on the outer wall of the measuring chamber 13.
Further, the ball valve assembly includes: an inlet ball valve 3 and an outlet ball valve 4;
the air inlet ball valve 3 is arranged on the air inlet ball valve connector 10 and is arranged in the ball valve through hole;
the air outlet ball valve 4 is arranged on the air outlet ball valve interface 11 and is arranged in the ball valve through hole;
the pressure sensor 5 is mounted on the sensor interface 12 and is disposed in the sensor through hole.
Further, the air inlet ball valve interface 10, the air outlet ball valve interface 11 and the sensor interface 12 are all fixedly connected with the protective cover 1.
Further, the laser emitting end 8 is arranged at an interval between the receiving end detector 7 and the measuring chamber 13.
Further, both ends of the measuring chamber 13 are provided with air chamber flanges.
Further, a connecting part of the air inlet ball valve interface 10 is provided with an air inlet flange, and a connecting part of the air outlet ball valve interface 11 is provided with an air outlet flange;
the connection portion of the sensor interface 12 is provided with a pressure sensor flange.
Furthermore, a temperature sensor mounting hole is formed in the outer side wall of the measuring chamber 13;
the bottom of the mounting bottom plate 2 is provided with two shock pads 6 which are respectively arranged at two ends of the mounting bottom plate 2.
Furthermore, the inlet ball valve 3 and the outlet ball valve 4 of the measuring device are connected into the measuring chamber 13 through copper tubes with the diameter of 10mm, and UF in the process pipeline is utilized6The pressure difference of the gas drives the process UF to be measured6The gas flows through the measuring chamber 13, the laser beam enters the measuring chamber 13 through the light hole after being collimated, the beam is emitted from the same light hole after being reflected once or for multiple times in the measuring chamber 13 and is subjected to photoelectric conversion through the receiving end detector 7, the converted signal is transmitted back to the analysis instrument through the coaxial cable, and the analysis instrument converts the converted electricityAnd performing AD conversion, digital signal processing and concentration calculation on the signals, and displaying and outputting HF gas concentration signals in real time.
Furthermore, the tunable semiconductor laser is a butterfly-shaped packaged semiconductor laser, light emitted by laser is transmitted to a laser collimation unit in the measurement chamber 13 through an optical fiber, the laser passes through a measured gas flowing through the measurement chamber 13, the receiving sensor circuit detects a laser beam absorbed by the measured gas, an optical signal is converted into an electric signal and transmitted to a signal processing unit of the analysis instrument, and the signal processing unit obtains the concentration of the measured gas after spectral calculation.
The utility model provides a detect online detector of HF gas content through with detection device and laser emission, receiving arrangement built-in the protection casing to with pneumatic valve and sensor setting outside the protection casing, its reliability is high, simple structure makes things convenient for the dismouting, and easy operation, work efficiency is high.
Although the present invention has been described in connection with the above embodiments, the scope of the present invention is not limited thereto, and modifications, replacements, and the like to the above members are all within the scope of the claims of the present invention without departing from the concept of the present invention.
Claims (10)
1. An on-line detector for detecting HF gas content, comprising: the device comprises a protective cover, a measuring device, a ball valve assembly, a pressure sensor and a mounting base plate;
the protective cover is arranged on the mounting bottom plate, and the measuring device is arranged in the protective cover and is arranged on the mounting bottom plate;
the measuring device includes: the device comprises a measuring chamber, a laser transmitting end, a receiving end detector and a plane reflector;
the measuring chamber is arranged on the mounting base plate, the laser emitting end and the receiving end detector are both fixedly arranged on the mounting base plate and arranged at one end of the measuring chamber, and the plane reflector is arranged on the mounting base plate and arranged at the other end of the measuring chamber;
the pressure sensor is connected with the measuring chamber and arranged on the top surface of the protective cover, and the ball valve assembly is connected with the measuring chamber and arranged on the top surface of the protective cover.
2. The on-line detector for detecting the content of the HF gas as claimed in claim 1, wherein the shield has a hollow square box structure, and two ball valve through holes are formed in the top end of the shield.
3. The on-line detector for detecting HF gas content according to claim 2, wherein the protecting hood has one sensor hole in the top.
4. The on-line detector for detecting HF gas content in claim 3, further comprising: an air inlet ball valve interface, an air outlet ball valve interface and a sensor interface;
the air inlet ball valve interface, the air outlet ball valve interface and the sensor interface are all arranged on the outer wall of the measuring chamber.
5. The on-line detector for detecting HF gas content of claim 4, wherein the ball valve assembly includes: an inlet ball valve and an outlet ball valve;
the air inlet ball valve is arranged on the air inlet ball valve interface and is arranged in the ball valve through hole;
the air outlet ball valve is arranged on the air outlet ball valve interface and is arranged in the ball valve through hole;
the pressure sensor is mounted on the sensor interface and disposed in the sensor through hole.
6. The on-line detector for detecting the content of the HF gas as claimed in claim 5, wherein the inlet ball valve interface, the outlet ball valve interface and the sensor interface are fixedly connected with the protective cover.
7. The on-line detector for detecting HF gas content of claim 1, wherein the laser emitting end is set between the receiving end detector and the measuring chamber.
8. The on-line detector for detecting the content of the HF gas as claimed in claim 1, wherein the measuring chamber is provided with gas chamber flanges at both ends.
9. The on-line detector for detecting the content of the HF gas as claimed in claim 4, wherein the connecting part of the inlet ball valve interface is provided with an inlet flange, and the connecting part of the outlet ball valve interface is provided with an outlet flange;
and a pressure sensor flange is arranged at the connecting part of the sensor interface.
10. The on-line detector for detecting the content of the HF gas as claimed in claim 1, wherein a temperature sensor mounting hole is formed on an outer side wall of the measuring chamber;
the bottom of the mounting bottom plate is provided with two shock pads which are respectively arranged at two ends of the mounting bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108026.9U CN211697494U (en) | 2019-11-29 | 2019-11-29 | Online detector for detecting HF gas content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108026.9U CN211697494U (en) | 2019-11-29 | 2019-11-29 | Online detector for detecting HF gas content |
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| CN211697494U true CN211697494U (en) | 2020-10-16 |
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| CN201922108026.9U Active CN211697494U (en) | 2019-11-29 | 2019-11-29 | Online detector for detecting HF gas content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736720A (en) * | 2019-11-29 | 2020-01-31 | 阿拓米柯(北京)科技有限公司 | online detector for detecting HF gas content and detection method |
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- 2019-11-29 CN CN201922108026.9U patent/CN211697494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736720A (en) * | 2019-11-29 | 2020-01-31 | 阿拓米柯(北京)科技有限公司 | online detector for detecting HF gas content and detection method |
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