CN212622217U - Low-temperature gas spectrum measuring device - Google Patents
Low-temperature gas spectrum measuring device Download PDFInfo
- Publication number
- CN212622217U CN212622217U CN202021150677.0U CN202021150677U CN212622217U CN 212622217 U CN212622217 U CN 212622217U CN 202021150677 U CN202021150677 U CN 202021150677U CN 212622217 U CN212622217 U CN 212622217U
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- Prior art keywords
- low
- tank body
- mixed gas
- measuring device
- temperature mixed
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- 238000001228 spectrum Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 25
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical compound C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000005388 borosilicate glass Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims 1
- 239000005357 flat glass Substances 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract description 19
- 238000005259 measurement Methods 0.000 abstract description 18
- 239000007789 gas Substances 0.000 description 54
- 239000003595 mist Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- CFOAUMXQOCBWNJ-UHFFFAOYSA-N [B].[Si] Chemical compound [B].[Si] CFOAUMXQOCBWNJ-UHFFFAOYSA-N 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a low-temperature mixed gas spectrum measuring device, which comprises a tank body for providing physical space for low-temperature mixed gas, and a gas inlet, a gas outlet, an incident light hole and an emergent light hole which are arranged on the tank body; the outer side of the gas inlet is connected with a feeding pipeline of a material supplying and receiving system, the inner side of the gas inlet is connected with a low-temperature nozzle for forming low-temperature mixed gas, and the inner wall of the low-temperature nozzle is a curve with a middle part contracted; the outer side of the gas outlet is connected with a material receiving pipeline of a material supplying and receiving system; and zinc selenide window sheets are hermetically arranged on the outer sides of the incident light hole and the emergent light hole. The device takes a tank body which provides a physical space for the spectral measurement of the low-temperature mixed gas as a device main body, and can provide a closed vacuum space condition for the spectral measurement of the working medium gas so as to determine the characteristics of gas molecules and debug laser parameters.
Description
Technical Field
The utility model relates to a spectral measurement mechanical design technical field especially relates to a low temperature gas spectral measurement device.
Background
For some specific mixed working medium gases, the components of the gas molecules need to be subjected to spectral analysis by using laser under the low-temperature condition to determine the characteristics of the gas molecules and debug the parameters of the laser, so that the related spectral measurement work needs to be carried out.
At present, a testing device which meets the spectral measurement work is not provided temporarily, a set of measuring device which is suitable for the spectral measurement of low-temperature mixed gas needs to be designed by combining the requirements of the spectral measurement at the present stage and the characteristics and the requirements of the existing spectral measurement material supplying and receiving system, the connection requirements of the corresponding material supplying and receiving system are met, and a physical space and a mechanical device are provided for the spectral analysis of the mixed gas.
Disclosure of Invention
The utility model aims at providing a low temperature gas mixture spectral measurement device to the technical defect who exists among the prior art.
For realizing the utility model discloses a technical scheme that the purpose adopted is:
a low-temperature mixed gas spectrum measuring device comprises a tank body for providing a physical space for low-temperature mixed gas, and a gas inlet, a gas outlet, an incident light hole and an emergent light hole which are formed in the tank body;
the outer side of the gas inlet is connected with a feeding pipeline of a material supplying and receiving system, the inner side of the gas inlet is connected with a low-temperature nozzle for forming low-temperature mixed gas, and the inner wall of the low-temperature nozzle is a curve with a middle part contracted;
the outer side of the gas outlet is connected with a material receiving pipeline of a material supplying and receiving system;
window sheets are hermetically arranged on the outer sides of the incident light hole and the emergent light hole, and are zinc selenide window sheets;
the tank body is internally provided with a screw hole plate for mounting a reflector.
In the above technical solution, the inner diameter of the inlet of the low temperature nozzle is larger than the inner diameter of the outlet.
In the above technical solution, an inlet cover plate is hermetically installed on the gas inlet, a supply port is fixed on the outer side of a central through hole of the inlet cover plate, the supply port is detachably connected with the supply pipeline, a nozzle joint is fixed on the inner side of the central through hole of the inlet cover plate, and the low-temperature nozzle is fixedly installed on the inlet cover plate through the nozzle joint;
an outlet cover plate is hermetically arranged on the gas outlet, and a material receiving port is fixed on the outer side of the central through hole of the outlet cover plate; the material receiving port can be detachably connected with the material receiving pipeline; the detachable connection can be a flange connection, a clamp connection or a threaded connection, preferably a flange connection.
In the technical scheme, the tank body is formed by welding steel plates, and blackening treatment is performed inside the tank body.
In the above technical solution, the gas inlet and the gas outlet are respectively disposed on two symmetrical end faces of the tank body; an inlet gasket is arranged between the inlet cover plate and the tank body to be matched and sealed; an outlet gasket is arranged between the outlet cover plate and the tank body for matching and sealing.
In the above technical solution, the incident light hole is disposed on the front surface of the tank body, and the emergent light hole is disposed on the rear surface of the tank body; the zinc selenide window sheet is hermetically arranged on the tank body through a unthreaded hole gasket and a unthreaded hole flange cover plate.
In the technical scheme, the tank body is further provided with an observation window, and the outer side of the observation window is hermetically provided with a borosilicate glass window sheet.
In the technical scheme, the borosilicate glass window sheet is hermetically arranged on the tank body through the observation window gasket and the observation window flange cover plate.
In the above technical scheme, the observation window includes preceding observation window, back observation window and goes up the observation window, is located respectively the preceding, the back and the top surface of jar body.
In the technical scheme, the screw hole plate is arranged on the bottom surface in the tank body through a screw hole plate base; the screw hole plate base is eight cuboid stainless steel's fixed block, four the fixed block is a set of, divides two sets of symmetrical welding on the inside bottom surface of the jar body, each group the fixed block installation is one the screw hole plate.
In the technical scheme, threaded holes are processed in the top of the fixing block, strip holes are formed in four corners of the screw hole plate, and the screw hole plate is installed on the fixing block by matching with the threaded holes in the top of the fixing block after a bolt penetrates through the strip holes.
In the technical scheme, the tank body is also provided with a measuring point flange connected with an external pressure gauge.
In the technical scheme, the tank body support is a welded and assembled trapezoidal stainless steel support.
On the other hand, the utility model discloses a using method of the low-temperature mixed gas spectrum measuring device,
mixed gas in the feeding pipeline enters the low-temperature nozzle through the gas inlet, low-temperature mixed gas is formed in the low-temperature nozzle, and the low-temperature mixed gas is guided out to the material receiving pipeline through the gas outlet after being detected;
the laser beam is incident through the incident light hole, reflected by the reflecting plate and finally passes out through the emergent light hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model provides a low temperature mist spectral measurement device to the jar body that provides the physics space for low temperature mist spectral measurement is the device main part, can provide airtight vacuum space condition for working medium gas's spectral measurement, with the characteristic of confirming the gas molecule and debugging laser instrument parameter.
2. The utility model provides a low temperature mist spectral measurement device, feed flange and receipts material flange link to each other with the feed pipeline that supplies the receipts material system respectively and receive the material pipeline, constitute one set of complete material circulation system.
3. The utility model provides a low temperature mist spectral measurement device, mist follow feed pipeline via nozzle joint and low temperature nozzle entering jar body. The low-temperature nozzle is a pipeline with a special curve shape processed and formed inside, so that supersonic jet flow can be formed when gas passes through the low-temperature nozzle, and the supersonic jet flow can be converted into kinetic energy and work outwards during expansion, so that the downstream temperature of the supersonic jet flow is rapidly reduced, and low-temperature mixed gas is formed.
Drawings
FIG. 1 is a front isometric view of a cryogenic mixed gas spectral measuring device;
FIG. 2 is a rear isometric view of the low temperature mixed gas spectral measuring device;
FIG. 3 is a rear view of the low-temperature mixed gas spectrum measuring apparatus;
FIG. 4 is an exploded view of the assembly of the low temperature mixed gas spectrum measuring device;
FIG. 5 is a front isometric view of the can body;
FIG. 6 is a rear isometric view of the can body;
FIG. 7 is an axial side cut away view of the can body;
FIG. 8 is a cross-sectional view of the cryogenic nozzle;
FIG. 9 is a schematic view showing an installation structure of the screw hole plate;
in the figure: 1-tank body, 2-gas inlet, 3-gas outlet, 4-incident light hole, 5-emergent light hole, 6-observation window, 6-1-front observation window, 6-2-rear observation window, 6-3-upper observation window, 7-inlet cover plate, 8-feeding port, 9-nozzle joint, 10-low temperature nozzle, 11-inlet gasket, 12-outlet cover plate, 13-receiving port, 14-outlet gasket, 15-zinc selenide window sheet, 16-light hole gasket, 17-light hole flange cover plate, 18-silicon boron glass window sheet, 19-observation window gasket, 20-observation window flange cover plate, 21-measuring point flange, 22-hole plate base, 23-screw hole plate, 23-1-strip hole, 24-tank support.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A low-temperature mixed gas spectrum measuring device comprises a cuboid tank body 1 providing a physical space for low-temperature mixed gas spectrum measurement, and a gas inlet 2, a gas outlet 3, an incident light hole 4 and an emergent light hole 5, wherein the gas inlet 2 is formed in the tank body 1 and used for introducing mixed gas, the gas outlet 3 is used for leading out mixed gas, the incident light hole 4 is used for laser incidence, and the emergent light hole 5 is used for receiving laser;
the gas inlet 2 and the gas outlet 3 are respectively arranged on two symmetrical end faces of the tank body 1, the incident light hole 4 and the emergent light hole 5 are respectively arranged on the front side face and the rear side face of the tank body 1, and the incident light hole 4 and the emergent light hole 5 are provided with flange plates;
specifically, the tank body 1 is formed by welding steel plates, provides a required physical space for spectral measurement, and is internally blackened so as to avoid diffuse reflection from influencing spectral measurement;
specifically, an inlet cover plate 7 is fixedly installed on the gas inlet 2 through a bolt, the inlet cover plate 7 is a circular convex ring cover plate, a feeding port 8 is welded on the outer side of a central through hole of the inlet cover plate, and the feeding port 8 is connected with a feeding pipeline through a flange, so that the mixed gas is introduced into the tank body 1; a nozzle joint 9 is welded at the center of the inner side of the inlet cover plate 7, and the nozzle joint 9 is connected with a low-temperature nozzle 10;
the low-temperature nozzle 10 is a pipeline with a special curve shape processed and formed inside, supersonic jet flow can be formed when gas passes through the low-temperature nozzle 10, and the supersonic jet flow can be rapidly reduced in downstream temperature due to the fact that kinetic energy of the supersonic jet flow is converted into the supersonic jet flow and work is applied to the outside in the expansion process, and low-temperature mixed gas is formed.
Preferably, an inlet gasket 11 is installed between the inlet cover 7 and the tank body 1 to cooperate to perform a sealing function.
Specifically, an outlet cover plate 12 is fixedly installed on the gas outlet 3 through a bolt, the outlet cover plate 12 is a circular convex ring cover plate, and a material receiving port 13 is fixed on the outer side of a central through hole of the outlet cover plate; the material receiving port 13 can be connected with the material receiving pipeline through a flange. Thereby leading out the mixed gas in the tank body 1;
preferably, an outlet gasket 14 is installed between the outlet cover 12 and the tank body 1 to cooperate for sealing.
Specifically, the incident light hole 4 and the exit light hole 5 are circular through holes, a zinc selenide window 15 is installed on the outer side of the circular through holes to meet the requirement of laser transmittance, and the zinc selenide window 15 is hermetically installed on the tank body 1 through a light hole gasket 16 and a light hole flange cover plate 17. A screw hole plate 23 for mounting a reflector is arranged in the tank body 1 through a screw hole plate base 22; the reflector transmits the laser from the incident light hole 4 to the emergent light hole 5.
Example 2
This example is based on example 1 and describes the observation window.
The tank body 1 is further provided with an observation window 6, and the outer side of the observation window 6 is hermetically provided with a borosilicate glass window sheet 18. The borosilicate glass window sheet 18 is hermetically mounted on the tank body 1 through a viewing window gasket 19 and a viewing window flange cover plate 20.
Specifically, the observation window 6 comprises a front observation window 6-1, a rear observation window 6-2 and an upper observation window 6-3 which are respectively positioned on the front, the rear and the top of the tank body 1. The front observation window 6-1, the rear observation window 6-2 and the upper observation window 6-3 are all strip-shaped through holes, silicon boron glass window sheets 18 are arranged on the outer sides of the strip-shaped through holes, and the silicon boron glass window sheets 18 are hermetically arranged on the tank body 1 through an observation window gasket 19 and an observation window flange cover plate 20.
Example 3
In this embodiment, the screw hole plate 23 is described based on embodiment 1.
The screw hole plate base 22 is formed by eight rectangular stainless steel fixing blocks, four fixing blocks are one group, the four fixing blocks are symmetrically welded on the inner bottom surface of the tank body 1 in two groups, and each group of the fixing blocks is provided with one screw hole plate 23; threaded holes are processed at the top of the fixed block, strip holes 23-1 are formed at four corners of the screw hole plate 23, and a bolt penetrates through the strip holes 23-1 to be matched with the threaded holes at the top of the fixed block so as to install the screw hole plate 23 on the fixed block; the four elongated holes 23-1 on the screw hole plate 23 can adjust the mounting position of the screw hole plate 23 back and forth to meet the mounting position requirement of the reflector.
The screw hole plate 23 is a rectangular steel plate with uniformly distributed screw holes on the surface, and the uniformly distributed screw holes on the surface can be used for installing a reflector plate for guiding incident laser so as to guide the laser entering from the incident light hole 4 into the emergent light hole 5 along a specific direction.
One corner of the top surface of the tank body 1 is provided with a measuring point flange 21, and the measuring point flange 21 is connected with an external pressure gauge and used for measuring the real-time pressure inside the tank body 1.
The low-temperature mixed gas spectrum measuring device further comprises a tank body support 24, wherein the tank body support 24 is a welded and assembled trapezoidal stainless steel support and is used for supporting the whole low-temperature mixed gas spectrum measuring device and enabling the tank body 1 to be kept in a horizontal state.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (13)
1. The spectrum measuring device for the low-temperature mixed gas is characterized by comprising a tank body (1) for providing a physical space for the low-temperature mixed gas, and a gas inlet (2), a gas outlet (3), an incident light hole (4) and an emergent light hole (5) which are formed in the tank body (1);
the outer side of the gas inlet (2) is connected with a feeding pipeline of a material supplying and receiving system, the inner side of the gas inlet is connected with a low-temperature nozzle (10) for forming low-temperature mixed gas, and the inner wall of the low-temperature nozzle (10) is a middle contraction curve;
the outer side of the gas outlet (3) is connected with a material receiving pipeline of a material supplying and receiving system;
window sheets are hermetically arranged on the outer sides of the incident light hole (4) and the emergent light hole (5);
a reflecting plate for changing a light path is arranged in the tank body (1) through a screw hole plate (23).
2. The low-temperature mixed gas spectrum measuring device according to claim 1, wherein the inlet inner diameter of the low-temperature nozzle (10) is larger than the outlet inner diameter.
3. The spectrum measuring device of the low-temperature mixed gas as claimed in claim 2, wherein an inlet cover plate (7) is hermetically mounted on the gas inlet (2), a supply port (8) is fixed on the outer side of the central through hole of the inlet cover plate (7), the supply port (8) is detachably connected with the supply pipeline, a nozzle joint (9) is fixed on the inner side of the central through hole of the inlet cover plate (7), and the low-temperature nozzle (10) is fixedly mounted on the inlet cover plate (7) through the nozzle joint (9);
an outlet cover plate (12) is hermetically arranged on the gas outlet (3), and a material receiving port (13) is fixed on the outer side of a central through hole of the outlet cover plate (12); the material receiving port (13) can be detachably connected with the material receiving pipeline.
4. The low-temperature mixed gas spectrum measuring device according to claim 3, wherein the tank body (1) is formed by welding steel plates, and the inside thereof is subjected to blackening treatment.
5. The low-temperature mixed gas spectrum measuring device according to claim 4, wherein the gas inlet (2) and the gas outlet (3) are respectively arranged on two symmetrical end faces of the tank body (1); an inlet gasket (11) is arranged between the inlet cover plate (7) and the tank body (1) for matching and sealing; an outlet gasket (14) is arranged between the outlet cover plate (12) and the tank body (1) for matching and sealing.
6. The low-temperature mixed gas spectrum measuring device according to claim 3, wherein the incident light hole (4) is provided on a front face of the tank (1), and the exit light hole (5) is provided on a rear face of the tank (1); the window piece is a zinc selenide window piece (15), and the zinc selenide window piece (15) is hermetically installed on the tank body (1) through an unthreaded hole gasket (16) and an unthreaded hole flange cover plate (17).
7. The low-temperature mixed gas spectrum measuring device according to claim 1, wherein the tank body (1) is further provided with an observation window (6), and a borosilicate glass window sheet (18) is hermetically mounted on the outer side of the observation window (6).
8. The low-temperature mixed gas spectrum measuring device according to claim 7, wherein the borosilicate glass window glass (18) is hermetically mounted on the tank body (1) through a viewing window gasket (19) and a viewing window flange cover plate (20).
9. The low-temperature mixed gas spectrum measuring device according to claim 8, wherein the observation window (6) comprises a front observation window (6-1), a rear observation window (6-2) and an upper observation window (6-3) which are respectively positioned on the front, rear and top surfaces of the tank body (1).
10. The low-temperature mixed gas spectrum measuring device according to claim 9, wherein the screw plate (23) is installed on the inner bottom surface of the tank body (1) through a screw plate base (22); the screw hole plate base (22) is eight cuboid stainless steel's fixed block, four the fixed block is a set of, divides two sets of symmetrical welding on the inside bottom surface of the jar body (1), each group the fixed block installation is one screw hole plate (23).
11. The low-temperature mixed gas spectrum measuring device according to claim 10, wherein threaded holes are formed in the top of the fixing block, elongated holes (23-1) are formed in four corners of the threaded hole plate (23), and bolts penetrate through the elongated holes (23-1) and then are matched with the threaded holes in the top of the fixing block to mount the threaded hole plate (23) on the fixing block.
12. The low-temperature mixed gas spectrum measuring device according to claim 1, wherein the tank body (1) is further provided with a measuring point flange (21) for connecting with an external pressure gauge.
13. The low-temperature mixed gas spectrum measuring device according to claim 1, further comprising a tank bracket (24), wherein the tank bracket (24) is a welded-assembled trapezoidal stainless steel bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150677.0U CN212622217U (en) | 2020-06-19 | 2020-06-19 | Low-temperature gas spectrum measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150677.0U CN212622217U (en) | 2020-06-19 | 2020-06-19 | Low-temperature gas spectrum measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212622217U true CN212622217U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150677.0U Expired - Fee Related CN212622217U (en) | 2020-06-19 | 2020-06-19 | Low-temperature gas spectrum measuring device |
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| CN (1) | CN212622217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820293A (en) * | 2020-06-19 | 2021-12-21 | 核工业理化工程研究院 | Low-temperature gas spectrum measuring device and using method thereof |
-
2020
- 2020-06-19 CN CN202021150677.0U patent/CN212622217U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820293A (en) * | 2020-06-19 | 2021-12-21 | 核工业理化工程研究院 | Low-temperature gas spectrum measuring device and using method thereof |
| CN113820293B (en) * | 2020-06-19 | 2024-06-14 | 核工业理化工程研究院 | Low-temperature gas spectrum measuring device and using method thereof |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |