CN115750933A - Low temperature pipeline liquid flow state observation device - Google Patents
Low temperature pipeline liquid flow state observation device Download PDFInfo
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- CN115750933A CN115750933A CN202211323444.XA CN202211323444A CN115750933A CN 115750933 A CN115750933 A CN 115750933A CN 202211323444 A CN202211323444 A CN 202211323444A CN 115750933 A CN115750933 A CN 115750933A
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Abstract
A low-temperature pipeline liquid flowing state observation device comprises a transparent inner cylinder, wherein low-temperature liquid flows through the transparent inner cylinder; the transparent outer cylinder is sleeved outside the transparent inner cylinder; the fixing component is used for sealing and fixing two ends of the transparent inner cylinder and the transparent outer cylinder and forming an accommodating annular cavity for filling medium gas; the emptying valve is arranged outside the fixed assembly and used for discharging the medium filling gas in the accommodating annular cavity; and the air inlet pipe is communicated with the accommodating annular cavity and is used for filling medium gas into the accommodating annular cavity. And one end of the pipeline is fixedly connected with the fixing component in a sealing manner and is communicated with the transparent inner cylinder. The invention solves the problem that the existing stainless steel pipeline is not perspective, and can visually observe the flowing state in the pipeline, thereby accurately judging and analyzing the flowing state of the medium in the pipeline.
Description
Technical Field
The invention relates to the technical field of cryogenic pump production equipment, in particular to a device for observing the flowing state of cryogenic pipeline liquid.
Background
Because the temperature of the low-temperature liquid is low, common materials are easy to be frozen and cracked due to deformation or cold brittleness in a low-temperature environment, the conventional low-temperature pipeline usually adopts an austenitic stainless steel pipeline, but the stainless steel pipeline is opaque, and the flowing state of the internal liquid cannot be directly observed when the low-temperature pipeline is used. In order to observe the flow state of the liquid inside, three temperature sensors (upper, middle and lower positions of the pipeline) are usually arranged on the wall of the pipeline, and the flow state of the liquid in the pipeline cannot be completely reflected in time.
Disclosure of Invention
The invention aims to provide a device for observing the flowing state of liquid in a cryogenic pipeline, which solves the problems in the background art.
The technical solution of the invention is as follows: a low-temperature pipeline liquid flowing state observation device comprises a transparent inner cylinder, wherein low-temperature liquid flows through the transparent inner cylinder;
the transparent outer cylinder is sleeved outside the transparent inner cylinder, and the low-temperature liquid can be observed through the transparent inner cylinder and the transparent outer cylinder;
the fixing component is used for sealing and fixing two ends of the transparent inner cylinder and the transparent outer cylinder and forming an accommodating annular cavity for filling medium gas;
the emptying valve is arranged outside the fixed assembly and used for discharging the medium filling gas in the accommodating annular cavity;
the air inlet pipe, the air inlet pipe with hold the ring chamber intercommunication, be used for to hold the ring chamber packing medium gas.
And one end of the pipeline is fixedly connected with the fixing component in a sealing manner and is communicated with the transparent inner cylinder.
Further, fixed subassembly includes the holding ring, sets up be used for the joint on the holding ring the inner ring draw-in groove of transparent inner tube tip and be used for the joint the outer ring draw-in groove of transparent urceolus tip.
Furthermore, the fixing assembly further comprises an extension ring arranged along the edge of the positioning ring, through holes arranged on the extension ring in an array mode, reinforcing rods penetrating through the two opposite through holes in the positioning ring, and fastening bolts used for fixing the reinforcing rods on the positioning ring.
Furthermore, the number of the reinforcing rods is at least two.
Furthermore, the positioning ring is provided with an air inlet channel communicated with the accommodating ring cavity, and the air inlet pipe is communicated with the air inlet channel.
Further, a first mounting groove has been seted up to inner ring draw-in groove inner wall, be equipped with first sealing ring in the first mounting groove, transparent inner tube tip will first sealing ring extrusion makes first sealing ring with first mounting groove closely laminates.
Further, a second mounting groove is formed in the inner wall of the outer ring clamping groove, a second sealing ring is arranged in the second mounting groove, and the end part of the transparent outer barrel extrudes the second sealing ring, so that the second sealing ring is tightly attached to the second mounting groove.
Further, the transparent inner cylinder and the transparent outer cylinder are made of transparent plastics.
Further, the medium gas is nitrogen.
The invention has the beneficial effects that:
compared with the prior art, the invention solves the problem that the existing stainless steel pipeline is not transparent, can visually observe the flowing state inside the pipeline and further accurately judge and analyze the flowing state of the medium in the pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Detailed Description
The invention is further illustrated by the following examples in connection with the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example, as shown in FIG. 1, a cryogenic pipeline fluid flow state observation device comprises
The device comprises a transparent inner cylinder 1, wherein low-temperature liquid flows through the transparent inner cylinder 1;
the transparent outer cylinder 2 is sleeved outside the transparent inner cylinder 1, the low-temperature liquid can be observed through the transparent inner cylinder 1 and the transparent outer cylinder 2, and preferably, the transparent inner cylinder 1 and the transparent outer cylinder 2 are made of transparent plastics.
The fixing component 3 is used for sealing and fixing two ends of the transparent inner cylinder 1 and the transparent outer cylinder 2 and forming an accommodating annular cavity 4 for filling medium gas, preferably, the medium gas is nitrogen, and the pressure of the medium gas is consistent with the internal pressure of the transparent inner cylinder 1 by filling the accommodating annular cavity 4 with the medium gas, so that the transparent inner cylinder 1 is prevented from bearing extra internal pressure at low temperature to cause damage to the transparent inner cylinder 1; the transparent outer cylinder 2 keeps a normal temperature state within the use temperature range of the material and can bear the pressure of the medium gas in the accommodating annular cavity 4;
the emptying valve 5 is arranged outside the fixed component 3 and used for discharging medium filling gas in the accommodating annular cavity 4, the emptying valve 5 is opened, and water vapor in the accommodating annular cavity 4 is replaced by the gas after the medium is gasified, so that the phenomenon that the water vapor condenses at low temperature to form crystals to influence the observation effect when the water vapor is used on the outer surface of the transparent inner cylinder 1 and the inner surface of the transparent outer cylinder 2 is avoided;
and the air inlet pipe 6 is communicated with the accommodating ring cavity 4 and used for filling medium gas into the accommodating ring cavity 4.
And one end of the pipeline 7 is fixedly connected with the fixing component 3 in a sealing way and is communicated with the transparent inner cylinder 1.
The invention solves the problem that the existing stainless steel pipeline is not transparent, can visually observe the flow state inside the pipeline, and further accurately judges and analyzes the flow state of the medium in the pipeline
In an optional embodiment of the present invention, the fixing assembly 3 includes a positioning ring 301, an inner ring slot 302 provided on the positioning ring 301 for clamping the end of the transparent inner cylinder 1, and an outer ring slot 303 for clamping the end of the transparent outer cylinder 2, and the ends of the transparent inner cylinder 1 and the transparent outer cylinder 2 are respectively inserted into the inner ring slot 302 and the outer ring slot 303, so that the transparent inner cylinder 1 and the transparent outer cylinder 2 can be fixed, and the installation is convenient; the flow state in the pipeline can be visually observed through the transparent inner cylinder 1 and the transparent outer cylinder 2.
In an alternative embodiment of the present invention, in order to improve the stability of the transparent inner cylinder 1 and the transparent outer cylinder 2 after installation and ensure the observation effect, the fixing assembly 3 further comprises an extension ring 304 arranged along the edge of the positioning ring 301, through holes 305 arranged in an array on the extension ring 304, reinforcing rods 306 penetrating through the opposite through holes 305 on the two positioning rings 301, and fastening bolts 307 for fixing the reinforcing rods 306 on the positioning rings 301.
The number of reinforcing bars 306 is at least two.
In an alternative embodiment of the present invention, the positioning ring 301 is provided with an air inlet channel 308 communicated with the accommodating ring cavity 4, the air inlet pipe 6 is communicated with the air inlet channel 308, and the medium gas in the air inlet pipe 6 rapidly enters the accommodating ring cavity 4 through the air inlet channel 308.
In an alternative embodiment of the present invention, in order to improve the sealing effect between the end of the transparent inner cylinder 1 and the inner ring clamping groove 302 and prevent the cryogenic liquid from entering the accommodating ring cavity 4, the inner wall of the inner ring clamping groove 302 is provided with a first mounting groove 309, a first sealing ring 310 is arranged in the first mounting groove 309, and the end of the transparent inner cylinder 1 presses the first sealing ring 310, so that the first sealing ring 310 is tightly attached to the first mounting groove 309.
In an alternative embodiment of the present invention, in order to improve the sealing effect between the end of the transparent outer cylinder 2 and the outer ring clamping groove 303 and avoid the medium gas in the accommodating ring cavity 4 from overflowing, the inner wall of the outer ring clamping groove 303 is provided with a second mounting groove 311, a second sealing ring 312 is arranged in the second mounting groove 311, and the end of the transparent outer cylinder 2 presses the second sealing ring 312, so that the second sealing ring 312 is tightly attached to the second mounting groove 311.
Claims (9)
1. The utility model provides a low temperature pipeline liquid flow state viewing device which characterized in that: comprises that
The device comprises a transparent inner cylinder (1), wherein low-temperature liquid flows through the transparent inner cylinder (1);
the transparent outer cylinder (2) is sleeved outside the transparent inner cylinder (1), and the low-temperature liquid can be observed through the transparent inner cylinder (1) and the transparent outer cylinder (2);
the fixing component (3) is used for sealing and fixing two ends of the transparent inner cylinder (1) and the transparent outer cylinder (2) and forming an accommodating annular cavity (4) for filling medium gas;
the emptying valve (5) is arranged outside the fixed assembly (3) and used for emptying the medium filling gas in the accommodating ring cavity (4);
the air inlet pipe (6), the air inlet pipe (6) with hold ring chamber (4) intercommunication, be used for to hold ring chamber (4) filling medium gas.
And one end of the pipeline (7) is fixedly connected with the fixed component (3) in a sealing manner and is communicated with the transparent inner cylinder (1).
2. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 1, wherein: fixed subassembly (3) include holding ring (301), set up be used for the joint on holding ring (301) interior ring slot (302) of transparent inner tube (1) tip and be used for the joint outer loop draw-in groove (303) of transparent urceolus (2) tip.
3. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 2, wherein: the fixing assembly (3) further comprises an extension ring (304) arranged along the edge of the positioning ring (301), through holes (305) formed in the extension ring (304) in an array mode, reinforcing rods (306) penetrating through the through holes (305) on the two positioning rings (301) which are opposite to each other, and fastening bolts (307) used for fixing the reinforcing rods (306) on the positioning rings (301).
4. The apparatus for observing a flowing state of a cryogenic pipeline liquid according to claim 3, wherein: the number of the reinforcing rods (306) is at least two.
5. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 2, wherein: an air inlet channel (308) communicated with the accommodating ring cavity (4) is formed in the positioning ring (301), and the air inlet pipe (6) is communicated with the air inlet channel (308).
6. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 2, wherein: first mounting groove (309) have been seted up to inner ring draw-in groove (302) inner wall, be equipped with first sealing ring (310) in first mounting groove (309), transparent inner tube (1) tip will first sealing ring (310) extrusion makes first sealing ring (310) with first mounting groove (309) closely laminates.
7. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 2, wherein: second mounting groove (311) have been seted up to outer ring draw-in groove (303) inner wall, be equipped with second sealing ring (312) in second mounting groove (311), transparent urceolus (2) tip will second sealing ring (312) extrusion makes second sealing ring (312) with second mounting groove (311) closely laminates.
8. The apparatus for observing a flowing state of a cryogenic piping liquid according to claim 1, wherein: the transparent inner cylinder (1) and the transparent outer cylinder (2) are made of transparent plastics.
9. The cryogenic pipeline liquid flow state observation device according to claim 1, wherein: the medium gas is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211323444.XA CN115750933A (en) | 2022-10-27 | 2022-10-27 | Low temperature pipeline liquid flow state observation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211323444.XA CN115750933A (en) | 2022-10-27 | 2022-10-27 | Low temperature pipeline liquid flow state observation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115750933A true CN115750933A (en) | 2023-03-07 |
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ID=85353574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211323444.XA Pending CN115750933A (en) | 2022-10-27 | 2022-10-27 | Low temperature pipeline liquid flow state observation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115750933A (en) |
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2022
- 2022-10-27 CN CN202211323444.XA patent/CN115750933A/en active Pending
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