A hyperpolarized xenon gas sample processing device

Abstract

The present invention discloses a hyperpolarized xenon gas sample processing device, which relates to the technical field of hyperpolarized xenon gas sample processing. In order to solve the problem that when the steel cylinder used for storing and processing hyperpolarized xenon gas samples has an outer wall breakage and air leakage, the leaked gas cannot be collected and processed in time, resulting in gas waste and affecting the safety of surrounding personnel. A valve assembly is arranged at the upper end of the sample storage tank; further comprising: a moving base, which is arranged outside the lower end of the sample storage tank, a universal wheel assembly is arranged at the lower end of the moving base, and four universal wheel assemblies are provided; an internal thread groove, which is arranged at the center of the moving base and penetrates through the moving base, an external thread is arranged on the outer wall of the lower end of the sample storage tank, and the sample storage tank is threadedly connected to the internal thread groove through the external thread; a fixed inner ring, which is arranged outside the sample storage tank, and a rotating handle ring is arranged outside the fixed inner ring.

Description

Technical Field

[0001] The present invention relates to the technical field of hyperpolarized xenon gas sample processing, and specifically to a hyperpolarized xenon gas sample processing device. Background Technique

[0002] Hyperpolarized xenon gas is an element with a relatively large atomic number among inert gases. Xenon atoms have a relatively large radius, an atomic number of 54, an outer electron configuration of 5s25p6, located in Group 18 of the fifth period, an atomic covalent radius of 209 picometers, a first ionization energy of 1172 kJ / mol. The simple substance consists of single-atom molecules, is a noble gas, colorless, odorless, tasteless, with a density of 5.887 kg / m³, a melting point of -111.9 °C, a boiling point of -107.1 ± 3 °C. At 20 °C, 110.9 milliliters (by volume) of it can be dissolved in each liter of water. Xenon has extremely high luminous intensity and is used in lighting technology to fill phototubes, flashlights, and xenon high-pressure lamps. In addition, xenon is also used as a deep anesthetic, medical ultraviolet light, lasers, welding, cutting of refractory metals, standard gas, special mixed gas, etc., and can be used in the medical field. Hyperpolarized xenon gas samples are often stored in steel cylinders.

[0003] However, when the outer wall of the existing steel cylinder for storing and processing hyperpolarized xenon gas samples is damaged and leaks, the leaked gas cannot be collected and processed in time, resulting in gas waste and affecting the safety of surrounding personnel. Therefore, it does not meet the existing requirements, and for this reason, we propose a hyperpolarized xenon gas sample processing device. Summary of the Invention

[0004] The purpose of the present invention is to provide a hyperpolarized xenon gas sample processing device to solve the problem that when the outer wall of the existing steel cylinder for storing and processing hyperpolarized xenon gas samples is damaged and leaks, the leaked gas cannot be collected and processed in time, resulting in gas waste and affecting the safety of surrounding personnel as mentioned in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A hyperpolarized xenon gas sample processing device, including: a sample storage tank, and a valve assembly is provided at the upper end of the sample storage tank;

[0006] It further includes:

[0007] A moving base, which is arranged outside the lower end of the sample storage tank. A universal wheel assembly is provided at the lower end of the moving base, and four universal wheel assemblies are provided.

[0008] An internal thread groove is arranged at the center of the moving base and penetrates through the moving base. An external thread is provided on the outer wall of the lower end of the sample storage tank, and the sample storage tank is threadedly connected to the internal thread groove through the external thread;

[0009] A fixed inner ring, which is arranged outside the sample storage tank. A rotating handle ring is arranged outside the fixed inner ring. The rotating handle ring and the fixed inner ring are connected by fixed insertion posts, and a through empty groove is arranged between the rotating handle ring and the fixed inner ring.

[0010] An airtight leakage prevention outer shell sleeve, which is arranged outside the sample storage tank. The two ends of the airtight leakage prevention outer shell sleeve are welded to the sample storage tank. A protective strip board is arranged at the upper end of the airtight leakage prevention outer shell sleeve. One end of the protective strip board is rotatably connected to the airtight leakage prevention outer shell sleeve through a hinge. A through empty groove is arranged between the rotating handle ring and the fixed inner ring.

[0011] Preferably, a post through groove is arranged at the connection between the fixed insertion post and the rotating handle ring, and the fixed insertion post penetrates through the rotating handle ring through the post through groove.

[0012] Preferably, a post connection groove is arranged at the connection between the fixed insertion post and the fixed inner ring. A fixed thread is arranged on the outer wall of one end of the fixed insertion post, and the fixed insertion post is threadedly connected to the fixed inner ring through the fixed thread. A sleeve groove is arranged inside the fixed inner ring.

[0013] Preferably, post thread grooves are arranged on the outer walls around the airtight leakage prevention outer shell sleeve, and the post thread grooves and the airtight leakage prevention outer shell sleeve are of an integral structure. The fixed insertion post is threadedly connected to the post thread groove, and both the post thread groove and the fixed insertion post are provided with four.

[0014] Preferably, a shock-absorbing base is arranged at the lower end of the sample storage tank, and the shock-absorbing base is adhesively connected to the sample storage tank.

[0015] Preferably, a protective cover is arranged outside the valve assembly. Connection hole grooves are arranged at the front and rear ends of the protective cover, and the connection hole grooves penetrate through the protective cover. An installation recessed groove is arranged between the moving base and the universal wheel assembly, and the installation recessed groove and the moving base are of an integral structure.

[0016] Preferably, a gathering and fixing ring is arranged at the upper end of the protective strip board, and several protective strip boards are provided.

[0017] Preferably, a gathering and fixing groove is arranged on the lower surface of the gathering and fixing ring, and the gathering and fixing groove and the gathering and fixing ring are of an integral structure. A gathering and fixing threaded plate is arranged on the upper surface of the protective strip board, and the gathering and fixing threaded plate and the protective strip board are of an integral structure. The gathering and fixing ring is threadedly connected to the gathering and fixing threaded plate through the gathering and fixing groove. A through opening is arranged at the center of the gathering and fixing ring, and the through opening and the gathering and fixing ring are of an integral structure.

[0018] Preferably, a pressure gauge is provided at the front end of one end of the air leakage prevention outer casing, an inner groove is provided inside the air leakage prevention outer casing, and the inner groove is an integral structure with the air leakage prevention outer casing. A pressure sensor is provided inside the inner groove, and an exhaust pipe is provided on the front surface of the other end of the air leakage prevention outer casing, and the exhaust pipe is an integral structure with the air leakage prevention outer casing.

[0019] Preferably, an exhaust pipe sealing cover is provided at the front end of the exhaust pipe, and the exhaust pipe sealing cover is threadedly connected to the exhaust pipe.

[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0021] 1. By providing an air leakage prevention outer casing outside the sample storage tank, when the outer wall of the sample storage tank is damaged and leaks air, the air leakage prevention outer casing is relied on to collect the gas in a sealed manner, and the pressure sensor senses the pressure change and is displayed on the pressure gauge, which is convenient for timely observation and for personnel to timely understand the air leakage situation, so as to carry out treatment, avoid waste and personnel safety accidents, improve safety, and can also protect the sample storage tank, making the outer wall of the sample storage tank not easily damaged, improving the service life. Moreover, a plurality of protective strip plates are provided at the upper end of the air leakage prevention outer casing. The protective strip plates are rotated with the air leakage prevention outer casing by hinge hinges and are perpendicular to the air leakage prevention outer casing. The gathering fixing ring is threadedly fixed to the gathering fixing groove on the lower surface of the protective strip plate through the gathering fixing groove to fix the protective strip plate, so as to protect the protective cover through the protective strip plate, avoid damage to the valve assembly caused by bending under force, and improve safety. The protective cover can be disassembled by unfolding the protective strip plate, and the protective cover can also be disassembled through the through opening, improving flexibility.

[0022] 2. By providing an exhaust pipe on the front surface of the lower end of the air leakage prevention outer casing, and the exhaust pipe is sealed by an exhaust pipe sealing cover. When it is necessary to clean the gas inside the air leakage prevention outer casing and the damaged sample storage tank in the later stage, by opening the exhaust pipe sealing cover, air flow is formed through the exhaust pipe and the outer wall crack, which is convenient for the gas to be quickly discharged and cleaned.

[0023] 3. By providing a moving base with a universal wheel assembly outside the lower end of the sample storage tank, and the sample storage tank is threadedly fixed to the inner thread groove at the center of the moving base through an external thread. By means of the thread, the height of the sample storage tank in contact with the ground is changed. When it is not necessary to move, the sample storage tank is rotated so that the shock absorption base at the lower end of the sample storage tank is in contact with the ground, thereby playing a supporting role and preventing the moving base from moving. When it is necessary to move the sample storage tank, hold the rotating handle ring and rotate the sample storage tank to make the sample storage tank move upward. After separating from the ground, the whole can be driven to move through the universal wheel assembly, improving convenience. And when changing the angle of the sample storage tank, only the sample storage tank needs to be rotated, which is simple and convenient. Brief Description of the Drawings

[0024] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a schematic diagram of the surface structure of the sample storage tank of the present invention;

[0026] Figure 3 is a schematic top view of the connection between the rotating handle ring and the fixed inner ring of the present invention;

[0027] Figure 4 is a schematic bottom view of the moving base of the present invention;

[0028] Figure 5 is a schematic diagram of the airtight housing sleeve structure of the present invention;

[0029] Figure 6 is a schematic diagram of the lower surface structure of the converging and fixing ring of the present invention;

[0030] Figure 7 is a schematic diagram of the protective strip board structure of the present invention;

[0031] In the figure: 1. Sample storage tank; 2. Protective cover; 3. Connection hole groove; 4. Moving base; 5. Universal wheel assembly; 6. Rotating handle ring; 7. Fixed inner ring; 8. Fixed plug; 9. External thread; 10. Shock-absorbing base; 11. Plug thread groove; 12. Through empty groove; 13. Fixed thread; 14. Plug through groove; 15. Internal thread groove; 16. Installation recessed groove; 17. Valve assembly; 18. Plug connection groove; 19. Sleeve groove; 20. Area increasing groove; 21. Airtight housing sleeve; 22. Pressure gauge; 23. Protective strip board; 24. Converging and fixing ring; 25. Hinge; 26. Exhaust pipe sealing cover; 27. Exhaust pipe; 28. Pressure sensor; 29. Internal groove; 30. Converging and fixing groove; 31. Converging and fixing threaded plate; 32. Through opening. Detailed Description of the Invention

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0033] Please refer to Figure 1-7 , an embodiment provided by the present invention: a hyperpolarized xenon gas sample processing device, including: a sample storage tank 1, and a valve assembly 17 is provided at the upper end of the sample storage tank 1;

[0034] It further includes:

[0035] The movable base 4 is arranged outside the lower end of the sample storage tank 1. The lower end of the movable base 4 is provided with a universal wheel assembly 5, and four universal wheel assemblies 5 are provided.

[0036] The internal thread groove 15 is arranged at the center of the movable base 4 and penetrates through the movable base 4. The outer wall of the lower end of the sample storage tank 1 is provided with an external thread 9, and the sample storage tank 1 is threadedly connected to the internal thread groove 15 through the external thread 9.

[0037] The fixed inner ring 7 is arranged outside the sample storage tank 1. A rotating handle ring 6 is arranged outside the fixed inner ring 7. The rotating handle ring 6 and the fixed inner ring 7 are connected by a fixed insertion post 8, and a through empty groove 12 is arranged between the rotating handle ring 6 and the fixed inner ring 7.

[0038] The air leakage prevention outer shell sleeve 21 is arranged outside the sample storage tank 1, and both ends of the air leakage prevention outer shell sleeve 21 are welded to the sample storage tank 1. The upper end of the air leakage prevention outer shell sleeve 21 is provided with a protective strip plate 23. One end of the protective strip plate 23 is rotatably connected to the air leakage prevention outer shell sleeve 21 through a hinge hinge 25. The outer wall surface of the sample storage tank 1 is provided with an area enlargement groove 20.

[0039] When the outer wall of the sample storage tank 1 is damaged and leaks air, the air leakage prevention outer shell sleeve 21 is relied on for gas sealing collection, avoiding waste and personal safety accidents, improving safety. The protective cover 2 is protected by the protective strip plate 23 to avoid damage to the valve assembly 17 caused by force bending, improving safety. The protective cover 2 can be disassembled by unfolding the protective strip plate 23, and the protective cover 2 can also be disassembled through the through opening 32.

[0040] Please refer to Figure 1 and Figure 3 , a post penetration groove 14 is arranged at the connection between the fixed insertion post 8 and the rotating handle ring 6, and the fixed insertion post 8 penetrates through the rotating handle ring 6 through the post penetration groove 14. Holding the rotating handle ring 6 facilitates rotating the air leakage prevention outer shell sleeve 21 and the sample storage tank 1.

[0041] Please refer to Figure 1 and Figure 3 , a post connection groove 18 is arranged at the connection between the fixed insertion post 8 and the fixed inner ring 7. A fixed thread 13 is arranged on the outer wall of one end of the fixed insertion post 8, and the fixed insertion post 8 is threadedly connected to the fixed inner ring 7 through the fixed thread 13. A sleeve groove 19 is arranged inside the fixed inner ring 7 to fix the rotating handle ring 6 and the fixed inner ring 7.

[0042] Please refer to Figure 1 , 3, 5. Insertion post threaded grooves 11 are provided on the outer walls around the air leakage prevention outer casing 21, and the insertion post threaded grooves 11 and the air leakage prevention outer casing 21 are of an integral structure. The fixed insertion post 8 is threadedly connected to the insertion post threaded groove 11, and both the insertion post threaded groove 11 and the fixed insertion post 8 are provided with four, so as to fix the fixed inner ring 7, the rotating handle ring 6 and the air leakage prevention outer casing 21. When the rotating handle ring 6 is rotated, the air leakage prevention outer casing 21 can be rotated.

[0043] Please refer to Figure 2 , a shock-absorbing base 10 is provided at the lower end of the sample storage tank 1, and the shock-absorbing base 10 is adhesively connected to the sample storage tank 1. When the sample storage tank 1 contacts the ground, it relies on the shock-absorbing base 10 for buffering and shock absorption to avoid damage to the bottom.

[0044] Please refer to Figure 2 , 4 , a protective cover 2 is provided outside the valve assembly 17. Connecting hole grooves 3 are provided at the front and rear ends of the protective cover 2, and the connecting hole grooves 3 penetrate through the protective cover 2. An installation recessed groove 16 is provided between the moving base 4 and the universal wheel assembly 5, and the installation recessed groove 16 and the moving base 4 are of an integral structure, which provides an external protection effect on the universal wheel assembly 5, making the exposed part less, avoiding damage caused by external force collision, and improving safety.

[0045] Please refer to Figure 1 , a gathering fixing ring 24 is provided at the upper end of the protective strip plate 23, and a number of protective strip plates 23 are provided.

[0046] Please refer to Figure 1 , 6 , 7. A gathering fixing groove 30 is provided on the lower surface of the gathering fixing ring 24, and the gathering fixing groove 30 and the gathering fixing ring 24 are of an integral structure. A gathering fixing threaded plate 31 is provided on the upper surface of the protective strip plate 23, and the gathering fixing threaded plate 31 and the protective strip plate 23 are of an integral structure. The gathering fixing ring 24 is threadedly connected to the gathering fixing threaded plate 31 through the gathering fixing groove 30. A through opening 32 is provided at the center of the gathering fixing ring 24, and the through opening 32 and the gathering fixing ring 24 are of an integral structure.

[0047] Please refer to Figure 1 , 5 , a pressure gauge 22 is provided at the front end of one end of the air leakage prevention outer casing 21. An inner groove 29 is provided inside the air leakage prevention outer casing 21, and the inner groove 29 and the air leakage prevention outer casing 21 are of an integral structure. A pressure sensor 28 is provided inside the inner groove 29. An exhaust pipe 27 is provided on the front surface of the other end of the air leakage prevention outer casing 21, and the exhaust pipe 27 and the air leakage prevention outer casing 21 are of an integral structure.

[0048] Please refer to Figure 1 , 5, a front end of the exhaust pipe 27 is provided with an exhaust pipe sealing cover 26, and the exhaust pipe sealing cover 26 is threadedly connected to the exhaust pipe 27.

[0049] Working principle: During use, the exhaust pipe sealing cover 26 is threadedly connected to the exhaust pipe 27 to seal the exhaust pipe 27. Several protective strip plates 23 are rotated by hinge hinges 25 with the air leakage prevention outer casing 21 and are perpendicular to the air leakage prevention outer casing 21. The gathering fixing ring 24 is threadedly fixed to the gathering fixing groove 30 on the lower surface of the protective strip plate 23 by relying on the gathering fixing groove 30 to fix the protective strip plate 23. Thus, the protective cover 2 is protected by the protective strip plate 23 to prevent damage to the valve assembly 17 caused by force bending, improving safety. The protective cover 2 can be disassembled by unfolding the protective strip plate 23, and the protective cover 2 can also be disassembled through the through opening 32. When the outer wall of the sample storage tank 1 is damaged and leaks air, the air leakage prevention outer casing 21 is relied on for gas sealing and collection. The pressure sensor 28 senses the pressure change and is displayed on the pressure gauge 22, facilitating timely observation and enabling personnel to timely understand the air leakage situation, thereby facilitating handling, avoiding waste and personal safety accidents, and improving safety. When it is necessary to discharge the hyperpolarized xenon gas sample later, the exhaust pipe sealing cover 26 is opened, and air flow is formed through the exhaust pipe 27 and the outer wall crack, facilitating rapid gas discharge and cleaning. The fixed inner ring 7 is sleeved outside the air leakage prevention outer casing 21. The threaded end of the fixed plug post 8 passes through the plug post through groove 14 and is threadedly connected to the plug post connection groove 18, and is also threadedly connected to the plug post thread groove 11 on the outer wall of the air leakage prevention outer casing 21, realizing the fixation of the fixed inner ring 7, the rotation handle ring 6, and the air leakage prevention outer casing 21. One end of the sample storage tank 1 with an external thread 9 is inserted into the internal thread groove 15 at the center of the moving base 4 to achieve threaded rotation. The distance between the sample storage tank 1 and the ground is changed by means of threaded rotation. When it is not necessary to move, the sample storage tank 1 is rotated so that the shock absorption base 10 at the lower end of the sample storage tank 1 contacts the ground, thereby achieving a support effect and preventing the moving base 4 from moving. When it is necessary to move the sample storage tank 1, the rotation handle ring 6 is held by hand and the sample storage tank 1 is rotated to move the sample storage tank 1 upward. After separating from the ground, the whole can be driven to move by the universal wheel assembly 5, improving convenience. When changing the angle of the sample storage tank 1, only the sample storage tank 1 needs to be rotated, which is simple and convenient.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, in any respect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Accordingly, all changes that fall within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A hyperpolarized xenon gas sample treatment device, comprising a sample storage tank (1), and a valve assembly (17) is arranged at the upper end of the sample storage tank (1); It is characterized in that: Further comprising: A moving base (4) which is arranged outside the lower end of the sample storage tank (1), a universal wheel assembly (5) is arranged at the lower end of the moving base (4), and four universal wheel assemblies (5) are provided; An internal thread groove (15) which is arranged at the center of the moving base (4) and penetrates through the moving base (4), an external thread (9) is arranged on the outer wall of the lower end of the sample storage tank (1), and the sample storage tank (1) is threadedly connected to the internal thread groove (15) through the external thread (9); A fixed inner ring (7) which is arranged outside the sample storage tank (1), a rotating handle ring (6) is arranged outside the fixed inner ring (7), the rotating handle ring (6) is connected to the fixed inner ring (7) through a fixed plug post (8), and a through empty groove (12) is arranged between the rotating handle ring (6) and the fixed inner ring (7); An airtight leakage-proof outer casing (21) is provided outside the sample storage tank (1), and both ends of the airtight leakage-proof outer casing (21) are welded to the sample storage tank (1). A protective strip plate (23) is provided at the upper end of the airtight leakage-proof outer casing (21). One end of the protective strip plate (23) is rotatably connected to the airtight leakage-proof outer casing (21) through a hinge (25). An enlarged area groove (20) is provided on the outer wall surface of the sample storage tank (1). An insertion post through groove (14) is provided at the connection between the fixed insertion post (8) and the rotating handle ring (6), and the fixed insertion post (8) passes through the rotating handle ring (6) through the insertion post through groove (14). An insertion post connection groove (18) is provided at the connection between the fixed insertion post (8) and the fixed inner ring (7). A fixed thread (13) is provided on the outer wall of one end of the fixed insertion post (8), and the fixed insertion post (8) is threadedly connected to the fixed inner ring (7) through the fixed thread (13). A sleeve groove (19) is provided inside the fixed inner ring (7). Insertion post thread grooves (11) are provided on the outer walls of all four sides of the airtight leakage-proof outer casing (21), and the insertion post thread grooves (11) and the airtight leakage-proof outer casing (21) are of an integral structure. The fixed insertion post (8) is threadedly connected to the insertion post thread groove (11), and both the insertion post thread groove (11) and the fixed insertion post (8) are provided in four numbers. A protective cover (2) is provided outside the valve assembly (17). Connection hole grooves (3) are provided at the front and rear ends of the protective cover (2), and the connection hole grooves (3) penetrate through the protective cover (2). An installation recessed groove (16) is provided between the moving base (4) and the universal wheel assembly (5), and the installation recessed groove (16) and the moving base (4) are of an integral structure. A gathering and fixing ring (24) is provided at the upper end of the protective strip plate (23), and a number of protective strip plates (23) are provided. A gathering and fixing groove (30) is provided on the lower surface of the gathering and fixing ring (24), and the gathering and fixing groove (30) and the gathering and fixing ring (24) are of an integral structure. A gathering and fixing threaded plate (31) is provided on the upper surface of the protective strip plate (23), and the gathering and fixing threaded plate (31) and the protective strip plate (23) are of an integral structure. The gathering and fixing ring (24) is threadedly connected to the gathering and fixing threaded plate (31) through the gathering and fixing groove (30). A through opening (32) is provided at the center of the gathering and fixing ring (24), and the through opening (32) and the gathering and fixing ring (24) are of an integral structure.

2. The hyperpolarized xenon gas sample treatment device according to claim 1, characterized in that: A shock-absorbing base (10) is provided at the lower end of the sample storage tank (1), and the shock-absorbing base (10) is adhesively connected to the sample storage tank (1).

3. The hyperpolarized xenon gas sample treatment device according to claim 1, characterized in that: A pressure gauge (22) is provided at the front end of one end of the air leakage prevention outer casing (21). An inner groove (29) is provided inside the air leakage prevention outer casing (21), and the inner groove (29) and the air leakage prevention outer casing (21) are of an integral structure. A pressure sensor (28) is provided inside the inner groove (29). An exhaust pipe (27) is provided on the front surface of the other end of the air leakage prevention outer casing (21), and the exhaust pipe (27) and the air leakage prevention outer casing (21) are of an integral structure.

4. The hyperpolarized xenon gas sample treatment device according to claim 3, characterized in that: An exhaust pipe sealing cover (26) is provided at the front end of the exhaust pipe (27), and the exhaust pipe sealing cover (26) is threadedly connected to the exhaust pipe (27).

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