CN216081673U - Application measuring instrument suitable for cryogenic working condition - Google Patents
Application measuring instrument suitable for cryogenic working condition Download PDFInfo
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- CN216081673U CN216081673U CN202120559446.3U CN202120559446U CN216081673U CN 216081673 U CN216081673 U CN 216081673U CN 202120559446 U CN202120559446 U CN 202120559446U CN 216081673 U CN216081673 U CN 216081673U
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Abstract
The utility model relates to an application measuring instrument suitable for a deep cooling working condition, which comprises a buoy and a hydraulic gauge positioned at the top of the buoy, wherein one section and two sections of the buoy are respectively and fixedly connected with second flanges, each second flange is respectively connected with a valve through a short connecting pipe, and the valve is communicated with a first flange arranged on a compressor; the long-period operation measurement is accurate, stable and reliable, and potential safety hazards such as welding cracks, combustible gas leakage and the like can be avoided.
Description
Technical Field
The utility model relates to the technical field of application measuring instruments, in particular to an application measuring instrument suitable for deep cooling working conditions.
Background
When the measuring instrument is applied to operation under a cryogenic working condition environment, the expansion amount of different materials is greatly influenced by rapid change of medium temperature, so that the tensile stress of the welding position of the flange and the cylinder is overlarge, cracks are easily generated after long-term operation, and potential safety hazards exist.
In order to solve the problem that the outer buoy liquid level meter cannot stably operate for a long period, ensure that a stainless steel cylinder body and a flange of the outer buoy liquid level meter normally operate, stably operate for instrument measurement and provide stable and reliable data for process operation, therefore, an application measuring instrument suitable for deep cooling working conditions needs to be provided.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model mainly aims to provide the application measuring instrument which is accurate in measurement, stable, reliable and safer and is suitable for the deep cooling working condition.
In order to achieve the purpose, the utility model adopts the following technical scheme that the application measuring instrument suitable for the deep cooling working condition comprises a buoy and a hydraulic gauge positioned at the top of the buoy, wherein one section and two sections of the buoy are respectively and fixedly connected with second flanges, each second flange is respectively connected with a valve through a short connecting pipe, and the valves are communicated with a first flange arranged on a compressor.
Further, the short connecting pipe is made of 316SS stainless steel.
Further, the length of the connecting short pipe is 30-50 cm.
Further, the first flange model is 300#, and the second flange model is 600 #.
Further, the wall thickness of the outer buoy liquid level meter barrel is increased to 3.6 mm.
Furthermore, the valve is made of carbon steel.
Compared with the prior art, the utility model has the beneficial effects that:
1. all the outer buoy liquid level meters operate and measure accurately, stably and reliably in a long period under all working conditions.
2. All the outer buoy liquid level meters operate for a long period under all working conditions, and potential safety hazards such as welding cracks and combustible gas leakage are avoided.
Drawings
FIG. 1 is a schematic view of the assembled structure of the present invention;
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Example (b):
referring to fig. 1, an application measuring instrument suitable for deep cooling working conditions comprises a buoy 2 and a hydraulic gauge 8 positioned at the top of the buoy 2, wherein one section and two sections of the outer buoy level gauge 2 are respectively and fixedly connected with second flanges 4, each second flange 4 is respectively connected with a valve 5 through a short connecting pipe 7, the valve 5 is communicated with a first flange 3 arranged on a compressor 2, and the hydraulic gauge at the top of the buoy 2 measures the liquid level depth of the buoy 2 communicated with the compressor 2 to further obtain the actual liquid level depth in the compressor 1; in the starting and stopping stage of the unit or the device; the barrel body of the float level meter is made of 316SS materials; the first flange 3 and the second flange 4 are made of carbon steel; when the first section and the second section of the olefin separation propylene compressor are stopped and under abnormal working conditions, the temperature of the medium is increased from-40 ℃ to 10 ℃; tensile stress exists in the barrel body of the float level meter.
In order to delay the influence of tensile stress on the cylinder body of the float level meter and ensure the long-period stable operation of the propylene compressor, the expansion coefficient of 316SS is larger than the expansion coefficient of carbon steel; the material of the short connecting pipe 7 between the flange of the outer buoy liquid level meter cylinder body and the flange of the suction tank is 316 SS.
Further, in the embodiment, the length of the short connecting pipe 7 is 30 cm to 50 cm, and the short connecting pipe 7 is in the range, so that the best effect is achieved.
Further, in this embodiment, a specific model of the first flange is selected, where the model 3 of the first flange is 300#, and the model 4 of the second flange 3 is 600 #.
Further, in this embodiment, in order to ensure the long period steady operation of propylene compressor, need change this level gauge barrel, increase the barrel wall thickness, 2 barrel wall thickness increases of outer flotation pontoon level gauge is 3.6mm, valve 5 is made for the carbon steel material.
The second flange 4 is replaced by a No. 600 flange connection mode; the wall thickness of the outer buoy liquid level meter barrel is increased to 3.6 mm; and the influence of the tensile stress on the barrel of the float level meter is delayed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely illustrative of the present invention, and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides an use measuring instrument suitable for cryrogenic operating mode, its characterized in that includes flotation pontoon (2) and is located hydraulic gauge (8) at flotation pontoon (2) top, flotation pontoon (2) one section and two-section difference fixed connection second flange (4), each second flange (4) are connected with valve (5) through connecting stub (7) respectively, first flange (3) intercommunication that are equipped with on this valve (5) and compressor (1).
2. The application measuring instrument for cryogenic conditions according to claim 1, characterized in that the connecting stub (7) is made of 316SS stainless steel.
3. The application measuring instrument for cryogenic conditions according to claim 1, characterized in that the length of the connecting stub (7) is 30 cm to 50 cm.
4. The application measuring instrument suitable for the cryogenic working condition according to claim 1, characterized in that the model of the first flange (3) is 300#, and the model of the second flange (4) is 600 #.
5. The application measuring instrument applicable to the deep cooling working condition is characterized in that the wall thickness of the barrel body of the buoy (2) is increased by 3.6 mm.
6. The application measuring instrument for cryogenic working conditions according to claim 1, characterized in that the valve (5) is made of carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559446.3U CN216081673U (en) | 2021-03-18 | 2021-03-18 | Application measuring instrument suitable for cryogenic working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120559446.3U CN216081673U (en) | 2021-03-18 | 2021-03-18 | Application measuring instrument suitable for cryogenic working condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216081673U true CN216081673U (en) | 2022-03-18 |
Family
ID=80634844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120559446.3U Active CN216081673U (en) | 2021-03-18 | 2021-03-18 | Application measuring instrument suitable for cryogenic working condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216081673U (en) |
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2021
- 2021-03-18 CN CN202120559446.3U patent/CN216081673U/en active Active
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