CN218157529U

CN218157529U - Sample gas detection pool for gas remote measurement

Info

Publication number: CN218157529U
Application number: CN202221848624.5U
Authority: CN
Inventors: 花剑; 崔厚欣; 孙泽宇; 徐后坤
Original assignee: Hebei Sailhero Environmental Protection High Tech Co ltd
Current assignee: Hebei Sailhero Environmental Protection High Tech Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-27
Anticipated expiration: 2032-07-18

Abstract

The utility model provides a sample gas detection pool for gas remote measurement, which comprises a vent pipe, two cylindrical sealing components and two light-transmitting plane mirrors; the breather pipe is a quartz glass component, two cylindrical sealing components are respectively arranged at two ends of the breather pipe, and both the two sealing components are provided with vent holes communicated with the breather pipe; two sealed covers of printing opacity level crossing are located two seal assembly deviates from the one end of breather pipe. The utility model provides a gas remote measurement is with sample gas detection cell, natural light gets into the breather pipe from appointed printing opacity level crossing, absorbs the back through quartzy, jets out from appointed printing opacity level crossing again, through changing the quartzy breather chamber that absorbs different wave band light, measures the absorption peak of gas under different wave band light, has improved the accuracy of data; the measurement adopts natural light, and natural light sources are many, have reduced use cost.

Description

Sample gas detection pool for gas remote measurement

Technical Field

The utility model belongs to the technical field of gaseous detection device, concretely relates to gaseous telemetering measurement is with appearance gas detection pond.

Background

Telemetry of gases is an important means of monitoring greenhouse gases in recent years. The gas absorption cell is one of the core components of the optical gas analyzer and mainly comprises a cell body, a gas inlet and a gas outlet, an optical path chamber and the like. The light beam passing through the gas absorption cell is absorbed by the gas in the gas absorption cell, and the gas concentration is measured by calculating the absorbance.

In the prior art, a proper calibration device is lacked when the telemetering device performs test calibration, and most of the existing sample gas collection belts and the like are disposable and cannot be reused. Most of the remote measuring equipment is used in the open air, and the light adopted by the measuring gas needs the light of a specific wave band, so that the use cost is increased, and the use environment is limited.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a gaseous telemetering measurement is with appearance gas detection pond aims at solving prior art, and the measuring light kind is abundant to lead to manufacturing cost too high, the problem that outdoor inconvenient realization specific light source carried.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a sample gas detection cell for gas remote measurement, including:

the breather pipe is a quartz glass component;

the two cylindrical sealing components are respectively arranged at two ends of the vent pipe, and are provided with vent holes communicated with the vent pipe; and

two printing opacity level mirrors are sealed the lid respectively and are located two the seal assembly deviates from the one end of breather pipe.

In one possible implementation, the seal assembly includes:

one end of the sealing cylinder is connected with the light-transmitting plane mirror, the other end of the sealing cylinder is sleeved on the vent pipe, and the circumferential side wall of the sealing cylinder is provided with the vent hole;

the locking ring is arranged on the vent pipe; and

the sealing ring is sleeved on the vent pipe and is positioned between the sealing cylinder and the locking ring;

the sealing cylinder is connected with the locking ring, and pressing force along the axial direction of the vent pipe is formed on the sealing ring, so that the sealing ring is simultaneously in sealing fit with the sealing cylinder, the locking ring and the vent pipe.

In a possible implementation, the locking ring forms a receiving groove capable of being sleeved on the periphery of the sealing cylinder, and the sealing cylinder is in threaded fit with the receiving groove.

In one possible implementation, an inner edge of the sealing cylinder adjacent to one end of the locking ring forms an annular inclined surface contacting the sealing ring.

In a possible implementation, the light-transmitting plane mirror and the sealed cylinder are connected by gluing.

In one possible implementation, both of the air vents are provided with air vent joints, respectively.

In a possible implementation manner, the periphery of the vent pipe is further provided with a mounting bracket for supporting the vent pipe.

In a possible implementation manner, the mounting bracket comprises a supporting seat and a clamping ring sleeved on the periphery of the vent pipe, and the clamping ring is mounted on the supporting seat.

In a possible implementation manner, an angle adjusting structure is further arranged between the supporting seat and the clamping ring, the angle adjusting structure comprises a supporting block and a turntable hinged to the supporting block, the supporting block is connected with the supporting seat, and the turntable is connected with the clamping ring.

In a possible implementation manner, one of the two sealing assemblies is detachably provided with a reflecting plate, the reflecting plate is installed on one side of the sealing assembly, which is far away from the vent pipe, the reflecting area of the reflecting plate is larger than the light transmitting area of the light transmitting plane mirror, and the reflecting plate is parallel to the light transmitting plane mirror.

The utility model provides a gaseous remote measurement is with appearance gas detection pond compares with prior art, lets in the gas that awaits measuring in to the breather pipe through the blow vent, and natural light gets into the breather pipe from appointed printing opacity level crossing, through quartz absorption back, jets out from appointed printing opacity level crossing again, and the light that the analysis was passed through reachs gas concentration. The vent pipe of the quartz glass can filter natural light to light with a specific wave band, and the absorption peaks of gas under the light with different wave bands can be measured by replacing the quartz vent pipe capable of absorbing the light with different wave bands, so that the accuracy of data is improved; the measurement adopts natural light, the natural light has a plurality of sources, and the use cost is reduced; during outdoor use, carry out gaseous demarcation through the printing opacity level crossing, the experiment more laminates the in-service use scene, has improved the accuracy of data.

Drawings

Fig. 1 is a schematic view of a front view structure of a sample gas detection cell for gas remote measurement according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a sample gas detection cell for gas remote measurement according to an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

fig. 4 is a schematic structural diagram of a sample gas detection cell for gas remote measurement provided in an embodiment of the present invention;

fig. 5 is a cross-sectional view of a sample gas detection cell for gas remote measurement provided by the second embodiment of the present invention.

Description of reference numerals:

1. a breather pipe;

2. a seal assembly; 21. a sealing cylinder; 211. a vent; 212. an annular bevel; 22. locking a ring; 221. accommodating a tank; 23. a seal ring; 24. a vent fitting;

3. a light-transmitting plane mirror;

4. mounting a bracket; 41. a supporting seat; 42. a clamping ring; 43. an angle adjustment structure; 431. a support block; 432. a turntable;

5. a reflective plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 5, a sample gas detection cell for gas remote measurement according to the present invention will now be described. The sample gas detection pool for gas remote measurement comprises a breather pipe 1, two sealing components 2 and two light-transmitting plane mirrors 3. The vent pipe 1 is a quartz glass component; the two cylindrical sealing components 2 are respectively arranged at two ends of the vent pipe 1, and the two sealing components 2 are respectively provided with a vent hole 211 communicated with the vent pipe 1; two printing opacity level crossing 3 seal covers respectively and locates two seal assembly 2 and deviate from the one end of breather pipe 1.

The gaseous remote measurement that this embodiment provided detects pond with sample gas compares with prior art, lets in the gas that awaits measuring in to breather pipe 1 through blow vent 211, and natural light gets into breather pipe 1 from appointed printing opacity level crossing 3, absorbs the back through quartz, jets out from appointed printing opacity level crossing 3 again, and the light that the analysis was passed through reachs gas concentration. The quartz glass vent pipe 1 can filter natural light to light with a specific wave band, and the absorption peaks of gas under the light with different wave bands are measured by replacing the vent pipe 1 capable of absorbing the light with different wave bands, so that the accuracy of data is improved; the measurement adopts natural light, the natural light has a plurality of sources, and the use cost is reduced; during outdoor use, carry out gaseous demarcation through printing opacity level crossing 3, the experiment more laminates the in-service use scene, has improved the accuracy of data.

During specific implementation, the light-transmitting plane mirror 3 is a K9 high-transmittance window sheet, the K9 high-transmittance window sheet is high in hardness, not prone to being scratched, and excellent in light transmittance.

The quartz glass used to manufacture the vent tube 1 is of different types, and different types of quartz glass have different transmittances and can transmit light of different wavelength bands. For example, extreme ultraviolet optical quartz glass JGS1 is transparent in the ultraviolet and visible spectral ranges; no absorption band in the wave band range of 185-250 nm; has strong absorption band in the range of 2600-2800 nm. The infrared optical quartz glass JGS3 is transparent in the visible and infrared spectrum ranges; no obvious absorption band exists in the range of 2600-2800 nm. Can see through the light of different grade type through changing different breather pipes 1 during concrete implementation, choose the breather pipe 1 of different grade type for use according to required light, breather pipe 1 conveniently carries, and is with low costs, has reduced the experiment cost.

In some embodiments, referring to fig. 2 and 3, seal assembly 2 includes a seal cartridge 21, a locking ring 22, and a seal ring 23. One end of the sealing cylinder 21 is connected with the light-transmitting plane mirror 3, the other end is sleeved on the vent pipe 1, and the circumferential side wall of the sealing cylinder 21 is provided with a vent hole 211; the locking ring 22 is arranged on the breather pipe 1; the sealing ring 23 is sleeved on the vent pipe 1 and is positioned between the sealing cylinder 21 and the locking ring 22; the sealing cylinder 21 and the locking ring 22 are connected, and a pressing force along the axial direction of the vent pipe 1 is formed on the sealing ring 23, so that the sealing ring 23 is simultaneously in sealing fit with the sealing cylinder 21, the locking ring 22 and the vent pipe 1. In this embodiment, the sealing ring 23 is pressed by the pressing force generated by the cooperation of the sealing cylinder 21 and the locking ring 22, and the sealing ring 23 is pressed to fill the gap between the sealing cylinder 21 and the locking ring 22, thereby sealing the gap between the sealing cylinder 21 and the ventilation pipe 1. The sealing ring 23 has good sealing effect and convenient disassembly, and the installation efficiency of the device is improved.

It should be noted that, the size of the sealing cylinder 21 is not limited, the axial cross-sectional area of the sealing cylinder 21 may be larger than the cross-sectional area of the vent pipe 1, the circumferential outer wall of the vent pipe 1 is sleeved on the inner wall of the shaft cylinder of the sealing cylinder 21, and the sealing ring 23 is arranged as shown in fig. 2; the axial cross-sectional area of the sealing cylinder 21 can be smaller than the cross-sectional area of the vent pipe 1, the outer wall of the shaft cylinder of the sealing cylinder 21 is abutted against the circumferential inner wall of the vent pipe 1, and the sealing ring 23 is arranged between the sealing cylinder 21 and the vent pipe 1; the cross-sectional area of the sealing cylinder 21 in the axial direction may be equal to the cross-sectional area of the breather pipe 1, the locking ring 22 locks the sealing cylinder 21 and the breather pipe 1 at the same time, and the sealing ring 23 is provided at the abutment of the sealing cylinder 21 and the breather pipe 1. The seal ring 23 may be deformed by pressing to fit and seal the gap between the seal tube 21 and the vent tube 21.

Optionally, the sealing ring 23 is an O-shaped rubber ring, the O-shaped rubber ring is simple in structure, good in pressure bearing capacity, compact in installation position, self-sealing, free of periodic adjustment and capable of meeting the requirement of serving as the sealing ring 23. Of course, the sealing ring 23 may be other members, such as a silicone ring, as long as it can be squeezed to seal the vent pipe 1, which is not illustrated here.

Specifically, referring to fig. 2 and 3, the locking ring 22 forms a receiving groove 221 capable of being fitted around the outer periphery of the sealing cylinder 21, and the sealing cylinder 21 is screw-fitted to the receiving groove 221. The sealing assembly 2 is disassembled and assembled without fixing parts such as bolts and the like for auxiliary fixation, the structure is simple, and the number of parts is small; can realize the equipment in fixed, the detection pond of a sealed section of thick bamboo 21 through sealed section of thick bamboo 21 and holding tank 221 screw-thread fit, need not with the help of instruments such as screwdriver, spanner, easy dismounting is convenient for change breather pipe 1 in the open air.

An embodiment of the type which further enhances the sealing effect of the seal assembly 2 is shown in figure 3, in which the inner edge of the end of the seal cartridge 21 adjacent the locking ring 22 is formed with an annular inclined surface 212 which contacts the seal ring 23. When the sealing cylinder 21 is in threaded connection with the accommodating groove 221 to extrude the sealing ring 23, the trend that the sealing ring 23 enters the annular inclined surface 212 is given, the contact area of the sealing ring 23 with the vent pipe 1 and the sealing cylinder 21 is further increased, and the sealing performance between the sealing cylinder 21 and the vent pipe 1 is improved.

In some embodiments, the transparent flat mirror 3 and the sealed cylinder 21 are connected by gluing. The adhesive connection does not affect the light transmission effect of the light transmission plane mirror 3, and the fixing of the light transmission plane mirror 3 does not need to additionally arrange a fixing structure, so that the manufacturing cost is reduced.

Optionally, bond through epoxy glue between printing opacity level crossing 3 and the sealed section of thick bamboo 21, epoxy glue is colourless, transparent, does not influence the normal use of printing opacity level crossing 3, can fill great space, and waterproof nature is good, satisfies the demand that bonds printing opacity level crossing 3 and a sealed section of thick bamboo 21. Of course, other types of adhesives, such as transparent instant adhesive, can be used as long as the use of the transparent flat mirror 3 is not affected, and the transparent flat mirror 3 is fixed on the sealing cylinder 21 and the interface is sealed, which is not listed here.

In some embodiments, referring to fig. 1, the two air vents 211 are respectively provided with air vents 24, and the air vents 24 are used for controlling the air to enter and exit. In specific implementation, the vent joint 24 is opened, gas to be detected is injected into the vent pipe 1, the vent joint 24 is closed after the vent pipe 1 is filled, and a sealed space is formed in the vent pipe 1; after the measurement is finished, the two air connectors 24 are opened, and the measured gas is pushed out of the air pipe 1 by introducing nitrogen, so that the gas treatment is finished. The arrangement of the air joint 24 is convenient for injecting gas into the vent pipe 1 and controlling the injection amount.

In some embodiments, referring to fig. 1, the periphery of the snorkel 1 is further provided with a mounting bracket 4 for supporting the snorkel 1. For guaranteeing measured data's accuracy, the sample gas detection pond will remain stable in the use, and printing opacity level crossing 3 needs parallel telemetering equipment all the time, and installing support 4 can fix a position breather pipe 1, makes things convenient for the installation and the location of breather pipe 1, guarantees that printing opacity level crossing 3 is parallel telemetering equipment all the time, has improved measured data's accuracy.

Specifically, referring to fig. 1, the mounting bracket 4 includes a supporting seat 41 and a clamping ring 42 sleeved on the outer circumference of the vent pipe 1, and the clamping ring 42 is mounted on the supporting seat 41. The clamping ring 42 clamps the vent pipe 1 to prevent the vent pipe 1 from rotating along the axis; the supporting seat 41 can position the vent pipe 1, so that the vent pipe 1 is prevented from rolling along the circumferential direction, the vent pipe 1 is kept fixed, and the normal operation of an experiment is guaranteed.

In some embodiments, referring to fig. 4, an angle adjusting structure 43 is further disposed between the supporting seat 41 and the clamping ring 42, the angle adjusting structure 43 includes a supporting block 431 and a turntable hinged to the supporting block 431, the supporting block 431 is connected to the supporting seat 41, and the turntable 432 is connected to the clamping ring 42. During specific implementation, the vent pipe 1 rotates around the rotating shaft through the rotary table 432, and the adjustment of the included angle between the light-transmitting plane mirror 3 and the horizontal direction is realized. The detection pool is conveniently adjusted according to the position of the telemetering equipment, so that the light-transmitting plane mirror 3 is perpendicular to the light penetrating path. The detection pool can be used in various complex environments, and the applicability is improved.

On the basis of the above embodiment, referring to fig. 5, one of the two sealing assemblies 2 is detachably provided with a reflective plate 5, the reflective plate 5 is installed on one side of the sealing assembly 2 away from the ventilation pipe 1, the reflective area of the reflective plate 5 is larger than the light transmission area of the light transmission plane mirror 3, and the reflective plate 5 is parallel to the light transmission plane mirror 3. During specific implementation, the reflecting plate 5 can completely reflect light, increase the optical path of incident light in the vent pipe 1, and improve the light absorption capacity of gas. The reflecting plate 5 can completely reflect light passing through the light-transmitting plane mirror 3, the light entering the ventilating pipe 1 is reflected by additionally arranging the reflecting plate 5, the gas absorbs the light repeatedly, the display effect after the light penetrates out is improved, and observation and calculation are facilitated.

In specific implementation, taking fig. 2 and fig. 5 as an example, the left side is defined as side a, and the right side is defined as side b, when the gas is high, the reflecting plate 5 is not disposed on the ventilation pipe 1, light enters the ventilation pipe 1 from side a, passes through the gas, and exits from the light-transmitting flat mirror 3 on side b, and the path of the light is shown by the arrow direction in fig. 2.

When the gas concentration is low, the reflecting plate 5 is installed on the sealing cylinder 21 on the side b, and the reflecting surface of the reflecting plate 5 faces the ventilation pipe 1 and is parallel to the light-transmitting plane mirror 3. Light enters the air duct 1 from the transparent plane mirror 3 in a direction parallel to the axis of the air duct 1 from the side a, is reflected by the reflecting plate 5, and exits from the side a. The path of the light is shown by the arrows in fig. 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A sample gas detection cell for gas telemetry, comprising:

the breather pipe is a quartz glass component;

two printing opacity level mirrors, sealed lid is located two respectively seal assembly deviates from the one end of breather pipe.

2. The gas telemetry sample gas detection cell of claim 1, wherein the seal assembly comprises:

the locking ring is arranged on the vent pipe; and

3. The gas remote sensing sample gas cell of claim 2, wherein the locking ring defines a receiving groove adapted to fit over an outer periphery of the sealing cylinder, the sealing cylinder being threadably engaged with the receiving groove.

4. The gas telemetry sample gas detection cell of claim 3, wherein an inner edge of the sealing cylinder adjacent an end of the locking ring forms an annular ramp surface in contact with the sealing ring.

5. The gas telemetry sample gas detection cell as recited in claim 2, wherein the transparent flat mirror and the sealed cartridge are adhesively connected.

6. The gas telemetry sample gas detection cell of claim 2, wherein each of the two vent ports is provided with a vent fitting.

7. The gas telemetry sample gas detection cell of claim 1, wherein the vent tube further comprises a mounting bracket on an outer periphery of the vent tube for supporting the vent tube.

8. The gas telemetry sample gas detection cell as claimed in claim 7, wherein the mounting bracket includes a support base and a clamp ring disposed around the vent tube, the clamp ring being mounted to the support base.

9. The gas telemetry sample gas detection cell as recited in claim 8, further comprising an angle adjustment structure disposed between the support base and the clamping ring, the angle adjustment structure including a support block and a turntable hinged to the support block, the support block being connected to the support base, the turntable being connected to the clamping ring.

10. The gas telemetry sample gas sensing cell of claim 1, wherein one of the two seal assemblies is removably provided with a reflective plate, the reflective plate being mounted on a side of the seal assembly remote from the vent tube, the reflective plate having a reflective area greater than a light transmitting area of the light transmitting flat mirror, the reflective plate being parallel to the light transmitting flat mirror.