CN112915713A - Gas-liquid separation device - Google Patents
Gas-liquid separation device Download PDFInfo
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- CN112915713A CN112915713A CN202110247010.5A CN202110247010A CN112915713A CN 112915713 A CN112915713 A CN 112915713A CN 202110247010 A CN202110247010 A CN 202110247010A CN 112915713 A CN112915713 A CN 112915713A
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- liquid separation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Abstract
The invention relates to the field of gas-liquid separation, in particular to a gas-liquid separation device. The invention provides an improved gas-liquid separation device, which aims to solve the problems that the existing gas-liquid separation device has poor separation effect when separating gas with larger liquid content and needs a plurality of or multistage separation tanks to be connected in series, so that the occupied area of equipment is large and the arrangement of process pipelines is complicated. The gas-liquid separation device is an efficient gas-liquid separation device which is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the field of gas-liquid separation, in particular to a gas-liquid separation device.
Background
At present, the gas-liquid separation device used in the chemical industry has single separation element, can achieve good separation effect on gas with less liquid content, but has unsatisfactory separation effect on gas with larger liquid content, and often needs a plurality of or multistage separation devices to be connected in series for use so as to meet the process requirements, thereby not only occupying large area and wasting equipment raw materials, but also being more complicated in arrangement of process pipelines.
Disclosure of Invention
The invention provides an improved gas-liquid separation device, aiming at solving the problems that the existing gas-liquid separation device has poor separation effect when separating gas with larger liquid content and needs a plurality of or multistage separation tanks to be connected in series for use, thereby causing large occupied area of equipment and complex arrangement of process pipelines.
The invention is realized by adopting the following technical scheme: a gas-liquid separation device comprises an outer shell, the outer shell comprises an outer cylinder body and an upper end enclosure, the lower end socket is provided with a gas outlet, the lower end socket is provided with a liquid outlet, the outer barrel is provided with a gas inlet, the outer barrel is internally and fixedly connected with an upper barrel and a lower barrel which are coaxial and distributed up and down, the inner diameter of the upper barrel is smaller than or equal to that of the lower barrel, a silk screen demister is arranged in the upper barrel, a first gap is arranged between the outer wall of the lower barrel and the inner wall of the outer barrel, the gas inlet is communicated with the first gap, a sealing sleeve is fixedly arranged at the bottom of the outer wall of the upper barrel, the outer ring surface of the sealing sleeve is fixedly connected with the inner wall of the outer barrel in a sealing manner, the top end of the lower barrel is fixedly connected with the bottom surface of the sealing sleeve in a sealing manner, a second gap is arranged between the bottom end of the lower barrel and the inner wall of the lower end socket.
The working principle is as follows: gas (gas-liquid mixture) enters the first gap from the gas inlet, the gas cannot flow upwards and only flows downwards due to the blocking of the annular plate and the lower barrel, in the flowing process, according to the principle of gravity settling separation, a part of liquid can be separated in the process and then is discharged from the liquid discharge port, when the gas flows to the second gap, the gas enters the filler from the filler support grid, secondary gas-liquid separation is carried out, the liquid separated by the filler is discharged from the liquid discharge port, the gas flows upwards to the wire mesh demister, tertiary gas-liquid separation is carried out, the separated liquid flows to the filler and then is discharged from the liquid discharge port, and therefore the gas is subjected to tertiary gas-liquid separation, the liquid mixed with the gas with larger liquid content can be efficiently removed, and the gas-liquid separation effect is obviously improved.
Further, the gas inlet position corresponds with the outer wall upper portion of barrel down, is equipped with the spiral plate in the first clearance, and the inward flange of spiral plate coils and sealed the being fixed in barrel outer wall down, sealing contact between the outward flange of spiral plate and the inner wall of outer barrel, and the starting end of spiral plate just in time is located gas inlet's lower part. The working principle is as follows: gas enters the first gap from the gas inlet, and because the annular plate and the lower cylinder block, the gas cannot flow upwards and only flows downwards, and the gas flows along the spiral plate by arranging the spiral plate in the first gap, so that the time for the gas to flow in the first gap is prolonged, and the gas-liquid separation effect is improved.
Further, the gas inlet position is corresponding with the outer wall upper portion of barrel down, be equipped with the spiral plate in the first clearance, the inward flange of spiral plate coils and sealed the being fixed in barrel outer wall down, be equipped with the fourth clearance between the outward flange of spiral plate and the inner wall of outer barrel (because in the actual engineering, the outward flange of spiral plate is difficult to seal welded fastening with the inner wall of outer barrel, so still there is the clearance between the outward flange of spiral plate and the inner wall of outer barrel, for guaranteeing most gas can flow along the spiral plate simultaneously, technical personnel in the art know, this fourth clearance is very little clearance), the originated end of spiral plate just in time is located the lower part of gas inlet, in order to guarantee that most gas can flow along the spiral plate.
Furthermore, a baffle plate which is positioned on one side of the gas inlet opposite to the spiral direction of the spiral plate is arranged between the outer cylinder and the lower cylinder, the baffle plate is a square plate, the first end surface of the baffle plate is fixedly connected with the inner wall of the outer cylinder in a sealing manner, the second end surface of the baffle plate is fixedly connected with the bottom surface of the annular plate in a sealing manner, and the third end surface of the baffle plate is in sealing contact with the outer wall of the lower cylinder, so that gas can flow along the spiral direction of the spiral plate conveniently, and the gas-liquid separation effect is further improved.
Furthermore, a baffle plate is arranged between the outer cylinder and the lower cylinder and is positioned on one side of the gas inlet opposite to the spiral direction of the spiral plate, the baffle plate is a square plate, the first end surface of the baffle plate is fixedly connected with the inner wall of the outer cylinder in a sealing manner, the second end surface of the baffle plate is fixedly connected with the bottom surface of the annular plate in a sealing manner, and a fifth gap is arranged between the third end surface of the baffle plate and the outer wall of the lower cylinder (as the third end surface of the baffle plate is difficult to be welded and fixed in a sealing manner in practical engineering and the outer wall of the lower cylinder, a gap still exists between the third end surface of the baffle plate and the outer wall of the lower cylinder, meanwhile, the gas flows along the spiral direction of the spiral plate conveniently, and the technical personnel in the field know that the gap is small), so that the gas flows along the spiral.
Furthermore, a third gap is formed between the top end of the upper barrel and the inner wall of the upper sealing head, and an annular guide plate is fixedly connected between the inner wall of the outer barrel and the top of the outer wall of the upper barrel in a sealing mode, so that liquid can conveniently flow to the wire mesh demister. The gas that passes through the silk screen demister still has a small amount of liquid to be separated at the in-process of flow direction gas outlet, realizes fourth gas-liquid separation, and one part of the liquid that is separated directly flows to the silk screen demister, and another part flows to the crown plate and makes unable automatic discharge behind the crown plate build-up liquid, makes another part of the liquid that is separated flow to the guide plate through designing the guide plate at this moment, and the liquid on the guide plate flows to the silk screen filter again, passes through the silk screen filter, packs, at last discharges from the leakage fluid dram.
Furthermore, the ring surface of the guide plate is tilted upwards to form a circular truncated cone-shaped space, the small-diameter end of the guide plate faces downwards and is fixedly connected with the top of the outer wall of the upper barrel in a sealing mode, the large-diameter end of the guide plate is fixedly connected with the inner wall of the outer barrel in a sealing mode, and the other part of the separated liquid can conveniently flow to the wire mesh filter.
The beneficial effects produced by the invention are as follows: according to the gas-liquid separation device, the structural design of the spiral plate, the filler, the wire mesh demister and the third gap is adopted, the filler and the wire mesh demister are arranged in an up-and-down structure, the first gap is arranged between the lower barrel and the outer barrel, and the spiral plate is arranged in the first gap, so that the gas is separated into gas and liquid for three times; the gas-liquid separation device provided by the invention can be used for efficiently separating gas with large liquid content, has small floor area, and simultaneously omits the arrangement of process pipelines, thereby being an efficient gas-liquid separation device which embodies environmental protection and energy saving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view showing the position of the baffle plate and the spiral direction of the spiral plate in the present invention (the arrow in the figure shows the spiral direction of the spiral plate).
In the figure: the device comprises an outer cylinder body, an upper end socket, a lower end socket, a gas outlet, a liquid discharge port, a gas inlet, an upper cylinder body, a lower cylinder body, a ring plate, a filler supporting grid, a filler pressing grid, a wire mesh demister, a spiral plate, a baffle, a guide plate, a rib plate, a first maintenance manhole, a second maintenance manhole and a skirt seat, wherein the outer cylinder body is 1-the outer cylinder body, the upper end socket is 2-the upper end socket, the lower end socket is 3-the lower end socket, the gas outlet is 4-the gas outlet.
Detailed Description
As shown in figure 1, the gas-liquid separation device comprises an outer shell, the outer shell comprises an outer cylinder body 1, an upper seal head 2 and a lower seal head 3, the upper seal head 2 is provided with a gas outlet 4, the lower seal head 3 is provided with a liquid outlet 5, the outer cylinder body 1 is provided with a gas inlet 6, the outer cylinder body 1 is internally and fixedly connected with an upper cylinder body 7 and a lower cylinder body 8 which are coaxial with the outer cylinder body and are distributed up and down, the inner diameter of the upper cylinder body 7 is less than or equal to the inner diameter of the lower cylinder body 8, a wire mesh demister 13 is arranged in the upper cylinder body 7, a first gap is arranged between the outer wall of the lower cylinder body 8 and the inner wall of the outer cylinder body 1, the gas inlet 6 is communicated with the first gap, an annular plate 9 is fixedly sealed at the bottom of the outer wall of the upper cylinder body 7, the outer annular surface of the annular plate 9 is fixedly connected with the inner wall of the outer cylinder body 1 in a sealing manner, the top, the lower cylinder 8 is internally provided with a filler 10, the bottom of the filler 10 is provided with a filler support grid 11, and the top of the filler 10 is provided with a filler pressure grid 12.
The working principle is as follows: gas enters the first gap from the gas inlet 6, the gas cannot flow upwards and only flows downwards due to the blocking of the annular plate 9 and the lower cylinder 8, in the flowing process, a part of liquid can be separated out in the process and then discharged from the liquid discharge port 5, when the gas flows to the second gap, the gas enters the filler 10 from the filler support grid 11 to be subjected to secondary gas-liquid separation, the separated liquid is discharged from the liquid discharge port 5, the gas flows upwards to the wire mesh demister 13 to be subjected to tertiary gas-liquid separation, the separated liquid is discharged from the liquid discharge port 5 after passing through the filler 10, and therefore the gas is subjected to tertiary gas-liquid separation, the liquid mixed with the gas with a large liquid content can be efficiently removed, and the gas-liquid separation effect is obviously improved.
During the concrete implementation, 6 positions of gas inlet are corresponding with the outer wall upper portion of barrel 8 down, are equipped with spiral plate 14 in the first clearance, and 8 outer walls of barrel under 8 are coiled and sealed the being fixed in to the inward flange of spiral plate 14, and sealing contact between the outward flange of spiral plate 14 and the inner wall of outer barrel 1, the starting end of spiral plate 14 just in time is located the lower part of gas inlet 4. The working principle is as follows: the gas enters the first gap from the gas inlet 4, cannot flow upwards and only flows downwards due to the blocking of the annular plate 9 and the lower cylinder 8, and the gas flows along the spiral plate 14 by arranging the spiral plate 14 in the first gap, so that the gas-liquid separation effect is increased by prolonging the flowing time of the gas in the first gap.
During the concrete implementation, gas inlet 6 position is corresponding with the outer wall upper portion of barrel 8 down, be equipped with spiral plate 14 in the first clearance, the inward flange of spiral plate 14 coils and the sealed external wall that is fixed in barrel 8 down, be equipped with the fourth clearance between the outward flange of spiral plate 14 and the inner wall of outer barrel 1 (because in the actual engineering, the outward flange of spiral plate and the inner wall of outer barrel are difficult to carry out sealed welded fastening, so still there is the clearance between the outward flange of spiral plate and the inner wall of outer barrel, for guaranteeing most gas can flow along the spiral plate simultaneously, the skilled person in the art knows, this fourth clearance is very little clearance), the starting end of spiral plate 14 just in time is located the lower part of gas inlet 4, in order to guarantee that most gas can flow along spiral plate 14.
During specific implementation, as shown in fig. 1 and fig. 2, a baffle 15 located on one side of the gas inlet 6 opposite to the spiral direction of the spiral plate 14 is arranged between the outer cylinder 1 and the lower cylinder 8, the baffle 15 is a square plate, a first end face of the baffle 15 is fixedly connected with the inner wall of the outer cylinder 1 in a sealing manner, a second end face of the baffle 15 is fixedly connected with the bottom face of the annular plate 9 in a sealing manner, and a third end face of the baffle 15 is in sealing contact with the outer wall of the lower cylinder 8, so that gas can flow along the spiral direction of the spiral plate 14 conveniently, and the gas-liquid separation effect is improved.
During specific implementation, a baffle 15 located on one side of the gas inlet 6 opposite to the spiral direction of the spiral plate 14 is arranged between the outer cylinder 1 and the lower cylinder 8, the baffle 15 is a square plate, a first end face of the baffle 15 is fixedly connected with the inner wall of the outer cylinder 1 in a sealing manner, a second end face of the baffle 15 is fixedly connected with the bottom face of the annular plate 9 in a sealing manner, and a fifth gap is arranged between a third end face of the baffle 15 and the outer wall of the lower cylinder 8 (because in practical engineering, the third end face of the baffle and the outer wall of the lower cylinder are difficult to be welded and fixed in a sealing manner, a gap still exists between the third end face of the baffle and the outer wall of the lower cylinder, and meanwhile, in order to facilitate gas to flow along the spiral direction of the spiral plate, as known to those skilled in the art, the fifth gap is very small, so that gas can flow along.
During specific implementation, a third gap is formed between the top end of the upper barrel body 7 and the inner wall of the upper end enclosure 2, and an annular guide plate 16 is fixedly connected between the inner wall of the outer barrel body 1 and the top of the outer wall of the upper barrel body 7 in a sealing mode, so that liquid can conveniently flow to the silk screen demister 13. In the process that the gas passing through the wire mesh demister 13 flows to the gas outlet 4, a small amount of liquid is still separated, fourth gas-liquid separation is achieved, one part of the separated liquid directly flows to the wire mesh demister 13, the other part of the separated liquid flows to the ring plate 9, so that the liquid accumulated in the ring plate 9 cannot be automatically discharged, at the moment, the other part of the separated liquid flows to the guide plate 16 by designing the guide plate 16, the liquid on the guide plate 16 flows to the wire mesh filter again, passes through the wire mesh filter and the filler 10, and is finally discharged from the liquid discharge port 5.
During specific implementation, the ring surface of the guide plate 16 tilts upwards to enclose a truncated cone-shaped space, the small-diameter end of the guide plate 16 faces downwards and is fixedly connected with the top of the outer wall of the upper barrel 7 in a sealing mode, the large-diameter end of the guide plate 16 is fixedly connected with the inner wall of the outer barrel 1 in a sealing mode, and the other part of the separated liquid can conveniently flow to the wire mesh filter.
In the specific embodiment, the rib plates 17 are fixedly connected between the outer wall bottoms of the upper barrel 7 and the lower barrel 8 and the outer barrel 1, so that the upper barrel 7, the lower barrel 8 and the outer barrel 1 are fixed more firmly. Go up barrel 7, barrel 8 down and be equipped with first inspection manhole 18, second inspection manhole 19, first inspection manhole 18 communicates with each other with the third clearance, and second inspection manhole 19 communicates with each other with the second clearance, conveniently changes, maintains filler and silk screen demister. The outer housing is supported by the skirt 20.
Claims (10)
1. A gas-liquid separation device comprises a shell, the shell comprises an outer cylinder body (1), an upper seal head (2) and a lower seal head (3), the upper seal head (2) is provided with a gas outlet (4), the lower seal head (3) is provided with a liquid outlet (5), the outer cylinder body (1) is provided with a gas inlet (6), the gas-liquid separation device is characterized in that the inner part of the outer cylinder body (1) is fixedly connected with an upper cylinder body (7) and a lower cylinder body (8) which are coaxial with the outer cylinder body and are distributed up and down, the inner diameter of the upper cylinder body (7) is less than or equal to that of the lower cylinder body (8), a wire mesh demister (13) is arranged in the upper cylinder body (7), a first gap is arranged between the outer wall of the lower cylinder body (8) and the inner wall of the outer cylinder body (1), the gas inlet (6) is communicated with the first gap, an inherent annular plate (9) is sealed and sleeved on the bottom of the, the top end of the lower barrel (8) is fixedly connected with the bottom surface of the annular plate (9) in a sealing mode, a second gap is formed between the bottom end of the lower barrel (8) and the inner wall of the lower seal head (3), a filler (10) is arranged in the lower barrel (8), a filler support grid (11) is arranged at the bottom of the filler (10), and a filler pressure grid (12) is arranged at the top of the filler (10).
2. A gas-liquid separating apparatus according to claim 1, wherein the gas inlet (6) is positioned corresponding to the upper portion of the outer wall of the lower cylinder (8), a spiral plate (14) is provided in the first gap, the inner edge of the spiral plate (14) is wound and sealingly fixed to the outer wall of the lower cylinder (8), the outer edge of the spiral plate (14) is in sealing contact with the inner wall of the outer cylinder (1), and the starting end of the spiral plate (14) is positioned right below the gas inlet (6).
3. A gas-liquid separation device according to claim 1, characterized in that the gas inlet (6) is positioned corresponding to the upper part of the outer wall of the lower cylinder (8), a spiral plate (14) is arranged in the first gap, the inner edge of the spiral plate (14) is coiled and hermetically fixed on the outer wall of the lower cylinder (8), a fourth gap is arranged between the outer edge of the spiral plate (14) and the inner wall of the outer cylinder (1), and the starting end of the spiral plate (14) is positioned right below the gas inlet (6).
4. A gas-liquid separation device according to claim 2 or 3, characterized in that a baffle (15) is arranged between the outer cylinder (1) and the lower cylinder (8) and is positioned on the side opposite to the spiral direction of the gas inlet (6) and the spiral plate (14), the baffle (15) is a square plate, the first end surface of the baffle (15) is fixedly connected with the inner wall of the outer cylinder (1) in a sealing way, the second end surface of the baffle (15) is fixedly connected with the bottom surface of the annular plate (9) in a sealing way, and the third end surface of the baffle (15) is in sealing contact with the outer wall of the lower cylinder (8) so as to facilitate the gas to flow along the direction of the spiral plate (14).
5. The gas-liquid separation device according to claim 2 or 3, wherein a baffle (15) is arranged between the outer cylinder (1) and the lower cylinder (8) and positioned on the side opposite to the spiral direction of the gas inlet (6) and the spiral plate (14), the baffle (15) is a square plate, the first end surface of the baffle (15) is fixedly connected with the inner wall of the outer cylinder (1) in a sealing manner, the second end surface of the baffle (15) is fixedly connected with the bottom surface of the annular plate (9) in a sealing manner, and a fifth gap is arranged between the third end surface of the baffle (15) and the outer wall of the lower cylinder (8) so as to facilitate the gas to flow along the direction of the spiral plate (14).
6. A gas-liquid separation device according to claim 5, characterized in that a third gap is provided between the top end of the upper cylinder (7) and the inner wall of the upper end enclosure (2), and an annular deflector (16) is fixedly connected between the inner wall of the outer cylinder (1) and the top of the outer wall of the upper cylinder (7) in a sealing manner, so that the liquid can flow to the wire mesh demister (13).
7. A gas-liquid separation device according to claim 6, wherein the ring surface of the guide plate (16) is tilted upward to form a truncated cone-shaped space, the small diameter end of the guide plate (16) faces downward and is fixedly connected with the top of the outer wall of the upper cylinder (7) in a sealing manner, and the large diameter end of the guide plate (16) is fixedly connected with the inner wall of the outer cylinder (1) in a sealing manner.
8. A gas-liquid separation device according to claim 7, characterized in that rib plates (17) are fixedly connected between the outer wall bottoms of the upper cylinder (7) and the lower cylinder (8) and the outer cylinder (1).
9. A gas-liquid separation device according to claim 8, characterized in that the outer cylinder (1) is provided with a first service manhole (18), a second service manhole (19), the first service manhole (18) communicating with the third gap, the second service manhole (19) communicating with the second gap.
10. A gas-liquid separating apparatus according to claim 9, wherein the outer casing is supported by the skirt (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247010.5A CN112915713A (en) | 2021-03-05 | 2021-03-05 | Gas-liquid separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110247010.5A CN112915713A (en) | 2021-03-05 | 2021-03-05 | Gas-liquid separation device |
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| Publication Number | Publication Date |
|---|---|
| CN112915713A true CN112915713A (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110247010.5A Pending CN112915713A (en) | 2021-03-05 | 2021-03-05 | Gas-liquid separation device |
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| CN (1) | CN112915713A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105407A (en) * | 2023-04-13 | 2023-05-12 | 裕孚(天津)科技有限公司 | Gas-liquid separator capable of circularly separating |
-
2021
- 2021-03-05 CN CN202110247010.5A patent/CN112915713A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116105407A (en) * | 2023-04-13 | 2023-05-12 | 裕孚(天津)科技有限公司 | Gas-liquid separator capable of circularly separating |
| CN116105407B (en) * | 2023-04-13 | 2023-06-16 | 裕孚(天津)科技有限公司 | Gas-liquid separator capable of circularly separating |
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