High-pressure-resistant high-precision liquid level indication type gas-liquid separator

Abstract

The invention belongs to the technical field of gas-liquid separators, and discloses a high-pressure-resistant high-precision liquid level indication type gas-liquid separator which comprises a gas-liquid separator body, a separation cavity is formed in the gas-liquid separator body, a spiral flow-around device is arranged in the separation cavity, and the other end of the separation cavity is further connected with a magnetostrictive sensor; the spiral demister comprises an anti-rotation tooth connected to the bottom of the upper end cover, a wire mesh demister mounting cavity is formed in the other end of the anti-rotation tooth, a spiral demister pipe is connected to the other end of the wire mesh demister mounting cavity, and a plurality of gravity separation air inlet grooves are uniformly formed in the tail end of the other side of the spiral demister pipe; and a wire mesh demister is also mounted in the wire mesh demister mounting cavity. According to the gas-liquid separator, the wire mesh demister, the spiral flow-around device, the magnetostrictive sensor, the floater, the mounting fastener and the anti-explosion cover are integrated, multiple impurity removal is carried out on gas, liquid level indication is carried out on separated liquid, and the gas-liquid separation efficiency is higher.

Description

Technical Field

[0001] The invention relates to the technical field of gas-liquid separators, in particular to a high-pressure-resistant and high-precision liquid-level indicating gas-liquid separator. Background Art

[0002] During the operation of the ultra-high pressure ionic liquid piston compressor, the reciprocating motion of the pistons at each stage will bring the ionic liquid into the high-pressure gas. Therefore, a gas-liquid separator needs to be specially installed at the outlet of the compressor to filter the liquid medium to ensure the purity of the gas.

[0003] However, existing gas-liquid separators have relatively simple structures and functions, mainly using gravity separation, centrifugal force separation, and wire mesh separation. They lack the structure to handle high-pressure gas and have no good separation effect. In addition, they do not provide a liquid level indicator for the separated liquid. If the liquid level is too high, the liquid will enter the gas cavity. If the liquid level is too low, the gas will be discharged from the liquid outlet and remix with the liquid, increasing the burden of subsequent gas-liquid processing. Therefore, to improve the above situation, we propose a high-pressure resistant, high-precision liquid level indicator gas-liquid separator to overcome the above technical problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a high-pressure resistant and high-precision liquid level indicating gas-liquid separator to solve the problem raised in the above background technology that the existing gas-liquid separator has a relatively simple structure and function, mainly gravity separation, centrifugal separation, wire mesh separation, etc., and has neither a structure for processing high-pressure gas nor a good separation effect, and there is no liquid level indication for the separated liquid. If the liquid level is too high, the liquid will enter the gas cavity. If the liquid level is too low, the gas will be discharged from the liquid outlet and mixed with the liquid again, which increases the burden on subsequent gas-liquid processing work.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A high-pressure-resistant, high-precision liquid level indicating gas-liquid separator comprises a gas-liquid separator body, a separation chamber disposed within the gas-liquid separator body, a spiral vortex disposed within the separation chamber, an upper end cover disposed at one end of the separation chamber close to the spiral vortex, a lower end fastener disposed at the other end of the separation chamber, an upper end fastener further disposed on the outer side of the upper end cover, a magnetostrictive sensor further connected to the outer side of the lower end fastener, a sensor rod at a monitoring end of the magnetostrictive sensor extending through the lower end fastener into the separation chamber, and a float further connected to the outer side of the sensor rod;

[0007] The spiral circulator includes an anti-rotation tooth connected to the bottom of the upper end cover, the other end of the anti-rotation tooth is provided with a wire mesh demister installation cavity, the other end of the wire mesh demister installation cavity is connected to a spiral circulatory tube, and the other end of the spiral circulatory tube is also evenly provided with a plurality of gravity separation air inlet grooves;

[0008] A wire mesh demister is also installed inside the wire mesh demister installation cavity.

[0009] Further preferably, a reserved hole is provided inside the separation cavity at a position parallel to the gravity separation air inlet groove and passing through the gas-liquid separator body, and a plug is provided inside the reserved hole;

[0010] An air inlet is provided inside the separation cavity at a position parallel to the end of the spiral flow pipe on one side away from the gravity separation air inlet groove.

[0011] Further preferably, a groove is provided on the outer surface of the gas-liquid separator body, and a mounting fastener is provided inside the groove.

[0012] Further preferably, an annular boss structure is provided inside the separation chamber, and a spiral flow circulator is connected to the surface of the boss structure.

[0013] Further preferably, an O-ring mounting groove is provided between the wire mesh demister mounting cavity and the spiral flow tube, and an O-ring for the spiral flow tube is connected within the O-ring mounting groove. A threaded ejection hole is also provided at the connection between the bottom of the wire mesh demister mounting cavity and the spiral flow tube. The threaded ejection hole, in conjunction with an ejection bolt, facilitates removal of the spiral flow tube.

[0014] Further preferably, a positioning magnetic block is further provided inside the float.

[0015] Further preferably, an explosion-proof cover is provided on the outside of the magnetostrictive sensor, an O-ring for the explosion-proof cover is provided between the explosion-proof cover and the lower end fastener, and an explosion-proof cable gland is provided at the wire outlet outside the explosion-proof cover.

[0016] Further preferably, a C-type combined seal for the upper end cover is provided between the separation cavity and the upper end cover, and a C-type combined seal for the lower end fastener is provided between the separation cavity and the lower end fastener.

[0017] Further preferably, the upper end fastener and the lower end fastener are both fixedly provided at the upper and lower ends of the gas-liquid separator body by screw connection.

[0018] Further preferably, the end of the upper end cover away from the gas-liquid separator body is arranged through the center of the upper end fastener, and an air outlet connected to the spiral flow device and the separation chamber is provided at the center of the upper end cover, and a liquid outlet connected to the separation chamber is also provided on the outside of the lower end fastener.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The wire mesh demister is located at the top of the spiral flow tube. When the gas-liquid mixture enters the separation chamber, it is first separated by the spiral flow tube. Since the inner cavity of the spiral flow tube of the spiral flow tube has a certain height, when the gas-liquid mixture after the first separation enters the inner cavity of the spiral flow tube due to its different density, a second gravity separation can be achieved. After the gas-liquid mixture after gravity separation enters the wire mesh demister located at the top of the spiral flow tube, a third separation can be performed. Since the wire mesh demister is the last separation process, it can prevent the wire mesh from contacting a large amount of liquid, causing its gap to be blocked, thereby improving the defoaming efficiency of the wire mesh demister.

[0021] The upper end of the spiral circulator is provided with an anti-rotation tooth which can be inserted into the bottom groove of the upper end cover to prevent the spiral circulator from rotating during the gas-liquid separation process.

[0022] A float is installed on the sensor rod of the magnetostrictive sensor. Since the density of the float is less than the density of the liquid, the float calculated by buoyancy indicates the liquid level in the separation chamber, preventing the separated gas from flowing out of the liquid outlet. It can also prevent the liquid from contacting the gas in the separation chamber again due to the liquid level being too high, which would affect the purity of the obtained gas.

[0023] Fasteners are installed on the outer wall of the gas-liquid separator body, and eye nuts can be installed at the upper and lower end covers, which makes it easy to install and move the gas-liquid separator that is large in volume and heavy in weight.

[0024] According to API6A, process systems, engineering design technical regulations and other standards, the gas-liquid separator's dimensions and materials are selected to enable it to withstand a high pressure of 90 MPa, thereby separating the high-pressure gas-liquid mixture and obtaining high-purity high-pressure gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 For the present invention Figure 1 GG-direction structural cross-sectional view;

[0027] Figure 3 Schematic diagram of the spiral flow tube structure of the present invention;

[0028] Figure 4 For the present invention Figure 3 Middle BB direction structural cross-section view;

[0029] In the figure: 1. Gas-liquid separator body; 2. Upper end fastener; 3. Upper end cover; 4. Spiral flow separator; 5. Lower end fastener; 6. Float; 7. Explosion-proof cover; 8. Mounting fastener; 9. O-ring for spiral flow separator; 10. O-ring for explosion-proof cover; 11. C-type combination seal for upper end cover; 12. C-type combination seal for lower end fastener; 13. Wire mesh demister; 14. Magnetostrictive sensor; 15. Positioning magnetic block; 16. Explosion-proof gland; 17. Plug; 18. Air inlet; 401. Anti-rotation tooth; 402. Spiral flow tube; 403. O-ring mounting groove; 404. Gravity separation air inlet groove; 405. Ejector threaded hole; 406. Wire mesh demister mounting cavity. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] See also Figure 1-4 , the present invention provides a technical solution:

[0032] A high-pressure-resistant and high-precision liquid level indicating gas-liquid separator includes a gas-liquid separator body 1, a separation chamber is provided inside the gas-liquid separator body 1, a spiral vortex device 4 is provided inside the separation chamber, an upper end cover 3 is provided at one end of the separation chamber close to the spiral vortex device 4, a lower end fastener 5 is provided at the other end of the separation chamber, an upper end fastener 2 is further provided on the outer side of the upper end cover 3, a magnetostrictive sensor 14 is further connected to the outer side of the lower end fastener 5, and a sensor rod of the monitoring end of the magnetostrictive sensor 14 passes through the lower end fastener 5 and extends into the separation chamber, and a float 6 is further connected to the outer side of the sensor rod; the float 6 is installed on the sensor rod of the magnetostrictive sensor 14, because the density of the float 6 is less than the density of the liquid, the float 6 calculated by buoyancy can indicate the liquid level height in the separation chamber, thereby preventing the separated gas from flowing out of the liquid outlet, and also preventing the liquid from contacting the gas in the separation chamber again due to excessively high liquid level, thereby affecting the purity of the obtained gas.

[0033] The spiral circulator 4 includes an anti-rotation tooth 401 connected to the bottom of the upper end cover 3, and a wire mesh demister installation cavity 406 is provided at the other end of the anti-rotation tooth 401. The other end of the wire mesh demister installation cavity 406 is connected to a spiral circulatory tube 402, and a plurality of gravity separation air inlet grooves 404 are evenly arranged at the other end of the spiral circulatory tube 402; the upper end of the spiral circulator 4 has an anti-rotation tooth 401, which can be inserted into the bottom groove of the upper end cover 3, so as to prevent the spiral circulator 4 from rotating during the gas-liquid separation process.

[0034] A wire mesh demister 13 is also installed inside the wire mesh demister installation cavity 406 .

[0035] In the present invention, a reserved hole is provided inside the separation chamber at a position parallel to the gravity separation air inlet groove 404 and passes through the gas-liquid separator body 1, and a plug 17 is provided inside the reserved hole;

[0036] An air inlet 18 is provided inside the separation chamber, parallel to the end of the spiral flow tube 402 on the side away from the gravity separation air inlet slot 404. The separation chamber is divided into an upper chamber and a lower chamber, with the upper chamber being an air chamber and the lower chamber being a liquid chamber, by the end of the gravity separation air inlet slot 404.

[0037] In the present invention, a groove is further provided on the outer surface of the gas-liquid separator body 1, and a mounting fastener 8 is provided inside the groove. The fastener 8 is installed on the outer wall of the gas-liquid separator body 1, and eye nuts can be installed at the upper fastener 2 and the lower fastener 5, which facilitates the installation and movement of the gas-liquid separator body 1, which is large in size and heavy in weight.

[0038] In the present invention, an annular boss structure is provided inside the separation cavity, and a spiral flow circulator 4 is connected to the surface of the boss structure.

[0039] In the present invention, an O-ring mounting groove 403 is provided between the wire mesh demister mounting cavity 406 and the spiral flow tube 402, and an O-ring 9 for the spiral flow tube is connected to the interior of the O-ring mounting groove 403. A threaded ejection hole 405 is also provided at the connection between the bottom of the wire mesh demister mounting cavity 406 and the spiral flow tube 402. The threaded ejection hole 405, in conjunction with an ejection bolt, allows the ejection bolt to penetrate the bottom of the wire mesh demister mounting cavity 406 and contact the end surface of the spiral flow tube 402 where it connects to the bottom of the wire mesh demister mounting cavity 406 when the internal components of the entire device are removed, thereby ejecting the spiral flow tube 402 from the interior of the separation cavity.

[0040] In the present invention, a positioning magnetic block 15 is further provided inside the float 6 .

[0041] In the present invention, an explosion-proof cover 7 is further provided outside the magnetostrictive sensor 14 , and an O-ring 10 for the explosion-proof cover is further provided between the explosion-proof cover 7 and the lower end fastener 5 , and an explosion-proof cable gland 16 is further provided at the wire outlet outside the explosion-proof cover 7 .

[0042] In the present invention, a C-type combined seal 11 for the upper end cover is provided between the separation cavity and the upper end cover 3 , and a C-type combined seal 12 for the lower end fastener is provided between the separation cavity and the lower end fastener 5 .

[0043] In the present invention, the upper end fastener 2 and the lower end fastener 5 are both fixedly arranged at the upper and lower ends of the gas-liquid separator body 1 by screw connection.

[0044] In the present invention, the end of the upper end cover 3 away from the gas-liquid separator body 1 is arranged through the center of the upper end fastener 2, and an air outlet that is interconnected with the spiral flow device 4 and the separation cavity is provided at the center of the upper end cover 3, and a liquid outlet that is interconnected with the separation cavity is also provided on the outside of the lower end fastener 5.

[0045] Embodiment: A reserved hole is provided inside the separation chamber at a position parallel to the gravity separation air inlet groove 404, and a plug 17 is provided inside the reserved hole; an air inlet 18 is provided inside the separation chamber at a position parallel to the end of the spiral circumferential flow tube 402 on the side away from the gravity separation air inlet groove 404. The separation chamber is divided into an upper cavity and a lower cavity with the end of the gravity separation air inlet groove 404 as the boundary, wherein the upper cavity is an air cavity and the lower cavity is a liquid cavity. The high-pressure gas-liquid mixture enters the separation chamber inside the gas-liquid separator from the air inlet 18 on the side wall of the gas-liquid separator body 1. An annular boss structure is provided inside the separation chamber, and the spiral circumferential flow device 4 is connected to the surface of the boss structure. The high-pressure gas-liquid mixture entering the separation chamber first passes through the first gas-liquid separation process, namely the spiral vortex tube 402 of the spiral vortex 4. After separation in the spiral vortex tube 402, the high-pressure gas-liquid mixture passes through the gravity separation inlet groove 404 into the inner cavity of the spiral vortex tube 402. Within the inner cavity of the spiral vortex tube 402, gravity separation occurs due to the difference in density between the gas and liquid. The spiral vortex 4 has an anti-rotation tooth 401 at the top end, which can be inserted into the bottom groove of the upper end cover 3 to prevent the spiral vortex 4 from rotating during the gas-liquid separation process. Then, the high-pressure gas-liquid mixture after gravity separation is subjected to a third gas-liquid separation by the wire mesh demister 13 in the wire mesh demister installation cavity 406 at the top of the spiral circulator 4. An O-ring installation groove 403 is provided between the wire mesh demister installation cavity 406 and the spiral circulator tube 402. The O-ring installation groove 403 is connected to the inside of the O-ring installation groove 403. An ejection threaded hole 405 is also provided at the connection between the bottom of the wire mesh demister installation cavity 406 and the spiral circulator tube 402. The ejection threaded hole 405 cooperates with the ejection bolt to penetrate the bottom of the wire mesh demister installation cavity 406 in a threaded manner through the ejection bolt when the internal components of the entire device are dismantled, and contacts the end face of the spiral circulator tube 402 connected to the bottom of the wire mesh demister installation cavity 406, thereby ejecting the spiral circulator tube 402 out of the separation cavity. Finally, the high-purity, high-pressure gas after triple separation is discharged through the gas outlet at the upper end cover 3 for recycling. All liquid will accumulate in the lower chamber of the separation chamber. Because a high-pressure-resistant magnetostrictive sensor 14 is installed inside the lower end fastener 5, and a float 6 with a density less than that of the liquid is installed on the sensor rod, as the liquid accumulates, the float 6 will float. The float 6, calculated by buoyancy, indicates the liquid level in the separation chamber, preventing the separated gas from flowing out of the top liquid outlet. It can also prevent the liquid from contacting the gas in the separation chamber again due to the high liquid level, which would affect the purity of the obtained gas. The separated liquid is finally discharged through the liquid outlet outside the lower end fastener 5, which is connected to the separation chamber.

[0046] The outer surface of the gas-liquid separator body 1 is also provided with a groove, and the interior of the groove is provided with a mounting fastener 8. The fastener 8 is installed on the outer wall of the gas-liquid separator body 1, and eye nuts can be installed at the upper fastener 2 and the lower fastener 5, which facilitates the installation and movement of the gas-liquid separator body 1, which is large in size and heavy in weight.

[0047] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description. It is intended that all variations within the meaning and range of equivalents of the claims be embraced herein, and any reference signs in the claims should not be construed as limiting the claims to which they relate.

[0048] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A high-pressure-resistant and high-precision liquid level indicating gas-liquid separator, comprising a gas-liquid separator body (1), characterized in that: A separation cavity is provided inside the gas-liquid separator body (1), a spiral vortex (4) is provided inside the separation cavity, an upper end cover (3) is provided at one end of the separation cavity close to the spiral vortex (4), a lower end fastener (5) is provided at the other end of the separation cavity, an upper end fastener (2) is further provided on the outside of the upper end cover (3), a magnetostrictive sensor (14) is further connected to the outside of the lower end fastener (5), and a sensor rod at the monitoring end of the magnetostrictive sensor (14) penetrates the lower end fastener (5) and extends into the interior of the separation cavity, and a float (6) is further connected to the outside of the sensor rod; The spiral circulator (4) comprises an anti-rotation tooth (401) connected to the bottom of the upper end cover (3); a wire mesh demister installation cavity (406) is provided at the other end of the anti-rotation tooth (401); the other end of the wire mesh demister installation cavity (406) is connected to a spiral circulator tube (402); and a plurality of gravity separation air inlet grooves (404) are evenly arranged at the other end of the spiral circulator tube (402); A wire mesh demister (13) is also installed inside the wire mesh demister installation cavity (406).

2. A high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: A reserved hole is provided inside the separation cavity at a position parallel to the gravity separation air inlet groove (404) and passes through the gas-liquid separator body (1), and a plug (17) is provided inside the reserved hole; An air inlet (18) is provided inside the separation chamber at a position parallel to the end of the spiral flow tube (402) away from the gravity separation air inlet groove (404).

3. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: The outer surface of the gas-liquid separator body (1) is further provided with a groove, and a mounting fastener (8) is provided inside the groove.

4. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: An annular boss structure is provided inside the separation cavity, and a spiral flow circulator (4) is connected to the surface of the boss structure.

5. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: An O-ring installation groove (403) is provided between the wire mesh demister installation cavity (406) and the spiral flow circulator (402), and an O-ring (9) for the spiral flow circulator is connected inside the O-ring installation groove (403). A top threaded hole (405) is also provided at the connection between the bottom of the wire mesh demister installation cavity (406) and the spiral flow circulator (402).

6. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: A positioning magnetic block (15) is also provided inside the float (6).

7. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: An explosion-proof cover (7) is also provided on the outside of the magnetostrictive sensor (14), and an O-ring (10) for the explosion-proof cover is also provided between the explosion-proof cover (7) and the lower end fastener (5). An explosion-proof cable gland (16) is also provided at the wire outlet outside the explosion-proof cover (7).

8. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: A C-type combined seal (11) for the upper end cover is provided between the separation cavity and the upper end cover (3), and a C-type combined seal (12) for the lower end fastener is provided between the separation cavity and the lower end fastener (5).

9. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: The upper end fastener (2) and the lower end fastener (5) are both fixedly arranged at the upper and lower ends of the gas-liquid separator body (1) by screw connection.

10. The high-pressure-resistant and high-precision liquid level indicating gas-liquid separator according to claim 1, characterized in that: The end of the upper end cover (3) away from the gas-liquid separator body (1) is arranged through the center of the upper end fastener (2), and the center of the upper end cover (3) is provided with an air outlet that is interconnected with the spiral flow device (4) and the separation cavity, and the outer side of the lower end fastener (5) is also provided with a liquid outlet that is interconnected with the separation cavity.

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