Multi-stage spiral-flow type gas-liquid separation coalescer

By employing a multi-stage cyclone gas-liquid separator with cyclone pre-separation, self-cleaning filter cartridges, and a reverse rotation design of the cleaning sponge, the problem of low efficiency in traditional gas-liquid separation devices is solved, achieving efficient and stable gas-liquid separation and continuous operation of the device.

CN121668869APending Publication Date: 2026-03-17DONGYING LIANHE PETROCHEMICAL CO LTD
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Patent Information

Application Number
CN202511917672.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-18
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Traditional gas-liquid separators have low separation efficiency and poor separation effect when processing gas-liquid mixtures containing impurities. Furthermore, the liquid filling inside the coalescing filter element obstructs the gas flow path, affecting the thoroughness and stability of the separation.

Method used

Employing a multi-stage cyclone gas-liquid separator and coalescer, it combines cyclone pre-separation, filter cartridge interception, and coalescing sponge deep treatment. The rotating cylinder drives the filter cartridge to rotate for self-cleaning, while the cleaning sponge rotates in the opposite direction to remove stubborn impurities. The alternating working mode of the dual rotating cylinders ensures continuous and efficient separation.

Benefits of technology

It achieves efficient graded separation of gas-liquid mixtures, maintains high air permeability and stability of filter elements, improves the reliability and safety of device operation, ensures uninterrupted continuous operation, and extends the service life of filter elements and coalescing sponges.

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Abstract

The invention relates to the technical field of gas-liquid separation, in particular to a multistage spiral-flow type gas-liquid separation coalescer which comprises a barrel, a gas outlet is formed in the top of the barrel, a first liquid outlet and a second liquid outlet are formed in the side portion of the barrel, and a feeding pipe is arranged at the bottom of the barrel. Through cooperation of rotational flow pre-separation, filter element interception and coalescence sponge deep treatment, efficient grading separation of a gas-liquid mixture is achieved, the filter element is driven by the rotating cylinder to rotate, self-cleaning is achieved through centrifugal force, and impurity blockage and liquid retention are effectively prevented; and in cooperation with reverse rotary wiping of the cleaning sponge, stubborn impurities are further removed, the design ensures that the filter element continuously keeps high air permeability and filtering performance, and the separation efficiency and the operation stability are remarkably improved.
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Description

Technical Field

[0001] This application relates to the technical field of gas-liquid separation, and in particular to a multi-stage cyclone gas-liquid separator and coalescer. Background Technology

[0002] Gas-liquid separation technology has been widely used in environmental protection and industrial production. Traditional gas-liquid separation devices mainly rely on principles such as gravity sedimentation, centrifugal separation, or filtration to achieve effective separation of liquids and gases. However, these traditional methods are inefficient and have poor separation effects when processing gas-liquid mixtures containing impurities.

[0003] Therefore, to improve the gas-liquid separation effect and overcome the limitations of existing technologies, further refinement of the gas-liquid mixture is needed to optimize separation performance. For example, patent application CN119746559A discloses a gas-liquid separator coalescing device, its adjustment method, and its backwashing method, relating to the field of gas-liquid separator technology. The coalescing device includes a shell, a dust removal filter element, and a coalescing filter element. The shell contains an inverted conical first chamber and a second chamber, with a partition plate between them. The dust removal filter element is located on the lower surface of the partition plate, and the coalescing filter element is located above the partition plate. Its bottom end has a longitudinally movable lifting plate with water-permeable holes to realize the collection and discharge of coalescing liquid. When discharged, the dust removal filter element can be backwashed to remove impurities. The gas-liquid mixture is swirled in the first chamber to remove large-volume impurities, and then passes through the dust removal filter element to remove medium and small-volume impurities to prevent clogging of the coalescing filter element. The outer peripheral filter element is rotatable, and its service life is extended by having its relatively clean side facing outward.

[0004] Although the aforementioned existing technologies can simultaneously remove impurities during gas-liquid separation, they have significant limitations in actual operation: as the gas-liquid mixture flows through the dust collector filter and moves toward the coalescing filter, the inside of the coalescing filter will gradually be filled with the separated liquid as the separation operation continues.

[0005] This liquid-filled state significantly hinders the flow path of gas inside the coalescing filter element, causing a sharp decrease in the efficiency of gas passing through the coalescing filter element. Consequently, the gas and liquid phases cannot fully contact the effective separation area of ​​the coalescing filter element, ultimately resulting in a decrease in the thoroughness and stability of gas-liquid separation, making it difficult to achieve the ideal separation effect. Summary of the Invention

[0006] To solve the above-mentioned technical problems, this application provides a multi-stage cyclone gas-liquid separator and coalescer, which adopts the following technical solution: In a first aspect, a multi-stage cyclone gas-liquid separator and coalescer includes a cylinder, with an air outlet at the top of the cylinder, a liquid outlet one and a liquid outlet two on the side, and a feed pipe at the bottom.

[0007] The cylinder is equipped with a partition and a guide plate that divide its internal cavity. The guide plate is located below the partition and forms a liquid storage area with the inner wall of the cylinder. A through groove is opened on the guide plate so that the liquid on its surface can flow into the liquid storage area. The liquid outlet is connected to the liquid storage area.

[0008] At least one rotating cylinder is rotatably mounted through the partition, and a coalescing sponge is installed on the top of the rotating cylinder, with a filter element extending to the outside of the sponge installed inside the sponge.

[0009] The partition is also equipped with a pressing component for squeezing the coalesced sponge.

[0010] Preferably, there are two rotating cylinders, symmetrically arranged along the axis of the partition.

[0011] The clamping assembly is configured to alternately apply or release pressure to the coalescing sponge on the two rotating cylinders, so that the two rotating cylinders and the filter cartridges and coalescing sponges on them can alternately be in working or cleaning / regeneration state.

[0012] Preferably, the clamping assembly includes a vertical frame, a rotating shaft, a gear, a lower pressure plate, an annular plate, a linkage plate, and a straight rack plate.

[0013] The vertical frame is fixed to the partition, and the rotating shaft is rotatably mounted on the vertical frame and equipped with a gear.

[0014] The lower pressure plate is slidably sleeved on the vertical rod at the top of the corresponding rotating cylinder. The lower pressure plate is connected to the straight rack plate through an annular plate and a linkage plate slidably installed on the limit frame.

[0015] Two straight rack plates mesh with the two sides of gear one, so that when the rotating shaft rotates, it can drive the two lower pressure plates to move vertically in opposite directions, so as to achieve alternating compression and release of the two coalescing sponges.

[0016] Preferably, curved plates are symmetrically mounted on the side wall of the rotating cylinder via spring hinges.

[0017] When the rotating cylinder rotates, the arc-shaped plate can open under the action of centrifugal inertia to make the interior of the rotating cylinder open.

[0018] When the rotating cylinder comes to a standstill, the arc-shaped plate closes under the combined action of gravity or the clamping assembly, which divides the inner cavity of the rotating cylinder into upper and lower parts.

[0019] Preferably, the filter element is installed inside the rotating cylinder via an assembly frame; the assembly frame includes a support frame, an extension rod, a support disc, a sliding ring, a pressing rod, and a linkage rod.

[0020] The support frame is fixed inside the rotating cylinder, the extension rod is fixed at the bottom of the support frame, and the support disc is fixed at the bottom of the extension rod to support the filter element.

[0021] A sliding ring is fitted onto the extension rod and can slide along it; the sliding ring is equipped with a downward pressure rod.

[0022] One end of the linkage rod is connected to the sliding ring, and the other end passes through the support frame and is connected to the lower pressure plate.

[0023] When the pressure plate moves down, it can push the sliding ring and the pressure rod down through the linkage rod, and together with the support disc, squeeze the filter element.

[0024] Preferably, the inner wall of the cylinder is provided with a drive motor that corresponds to a rotating cylinder, and the drive motor drives the corresponding rotating cylinder to rotate through a belt transmission mechanism.

[0025] Preferably, the bottom of the partition plate is rotatably mounted with a rotating shaft corresponding to a rotating cylinder via a bearing, and the rotating shaft and the corresponding rotating cylinder are connected by a gear transmission mechanism.

[0026] A cleaning sponge for cleaning the corresponding filter element is installed on the rotating shaft.

[0027] When the rotating cylinder rotates, it can drive the rotating shaft and the cleaning sponge to rotate in the opposite direction through the gear transmission mechanism.

[0028] Preferably, the filter element is a compressible steel wool structure.

[0029] Preferably, the lower pressure plate is slidably sleeved on the vertical rod, and plays a radial limiting role on the vertical rod when the rotating cylinder rotates.

[0030] In summary, this application includes at least one of the following beneficial technical effects: 1. This invention achieves efficient graded separation of gas-liquid mixtures by combining cyclone pre-separation, filter cartridge interception, and coalescing sponge deep treatment. The filter cartridge rotates under the drive of the rotating cylinder, and uses centrifugal force to achieve self-cleaning, effectively preventing impurities from clogging and liquid retention. Combined with the reverse rotation wiping of the cleaning sponge, stubborn impurities are further removed. This design ensures that the filter cartridge maintains high air permeability and filtration performance, significantly improving separation efficiency and operational stability.

[0031] 2. This invention adopts a dual-rotating cylinder alternating working mode, which enables the separation work to continue continuously. That is, when one rotating cylinder is in the processing state, the other can simultaneously perform cleaning or squeezing and draining, ensuring uninterrupted continuous operation of the device. The vertical rod and the lower pressure plate work together to provide stability for the vertical rod during rotation, while the arc plate effectively isolates the clean and contaminated areas, avoiding cross-contamination, thereby significantly improving the operational reliability and safety of the device.

[0032] 3. This invention integrates cyclone separation, rotary filtration, cleaning, and extrusion functions into a single device. Through a compact structural design, it achieves coordinated operation. The guide plate and liquid storage area optimize the liquid collection and discharge path, and the supporting disc and sliding ring cooperate to improve the deep desiccation effect of the filter element. Through the above steps, not only is the space utilization and processing capacity improved, but the service life of the filter element and coalescing sponge is also extended, so that the device maintains excellent comprehensive performance during long-term operation. Attached Figure Description

[0033] Figure 1 This is a three-dimensional structural schematic diagram of the present invention.

[0034] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the present invention.

[0035] Figure 3 This is the present invention. Figure 2 A partial sectional view.

[0036] Figure 4 This is a three-dimensional installation structure diagram of the partition, rotating cylinder, pressing assembly, and filter element of the present invention.

[0037] Figure 5 This is a schematic diagram of the three-dimensional installation structure between the clamping component and the partition plate of the present invention.

[0038] Figure 6 This is the present invention. Figure 4 The main view.

[0039] Figure 7 This is the present invention. Figure 6 A partial structural diagram.

[0040] Figure 8 This is a schematic diagram of the installation structure between the rotating cylinder, filter element, and coalescing sponge of the present invention.

[0041] Figure 9 This is the present invention. Figure 8 A magnified view of part A.

[0042] Figure 10 This is a three-dimensional installation structure diagram of the rotating cylinder, support frame, and extension rod of the present invention (excluding the arc plate).

[0043] Figure 11 This is a top view of the installation structure between the arc-shaped plate and the rotating cylinder of the present invention.

[0044] Explanation of reference numerals in the attached drawings: 1. Cylinder body; 11. Air outlet; 12. Liquid outlet one; 13. Liquid outlet two; 14. Guide plate; 141. Through groove; 15. Feed pipe; 2. Gas-liquid separation mechanism; 21. Partition plate; 211. Rotating shaft; 212. Cleaning sponge; 22. Rotating cylinder; 221. Vertical rod; 222. Arc plate; 223. Assembly frame; 224. Support frame; 225. Extension rod; 226. Support disc; 227. Sliding ring; 228. Downward pressure rod; 229. Linkage rod; 23. Cohesive sponge; 24. Filter element; 25. Pressing assembly; 251. Vertical frame; 252. Rotating shaft; 253. Downward pressure plate; 254. Annular plate; 255. Limiting frame; 256. Linkage plate; 257. Gear one; 258. Straight rack plate. Detailed Implementation

[0045] The following is in conjunction with the appendix Figures 1 to 11 This application will be described in further detail.

[0046] This application discloses a multi-stage cyclone gas-liquid separator and coalescer, which significantly improves separation efficiency and operational stability through a combination of cyclone pre-separation and staged separation.

[0047] A multi-stage cyclone gas-liquid separator and coalescer includes a cylindrical body 1. The top of the cylindrical body 1 has a gas outlet 11, the bottom side of the cylindrical body 1 has a liquid outlet 12, and the upper half of the side of the cylindrical body 1 also has a liquid outlet 13. A gas-liquid separation mechanism 2 is installed inside the cylindrical body 1, wherein the gas-liquid separation mechanism 2 includes: The partition 21 is a circular structure and is installed inside the cylinder 1.

[0048] Rotate the cylinder 22, which is symmetrically arranged along any axis of the partition plate 21. It is a through structure along the height direction of the cylinder 1 and is rotatably mounted on the partition plate 21 through bearings.

[0049] The coalescing sponge 23 is installed on top of the rotating cylinder 22 for separating gas-liquid mixtures.

[0050] The filter element 24 is installed inside the top of the rotating cylinder 22 and extends outside the rotating cylinder 22.

[0051] The partition 21 is also equipped with a pressing assembly 25 for pressing the liquid inside the coalescing sponge 23.

[0052] Inside the cylinder 1, there is a frustum-shaped guide plate 14. Multiple through slots 141 are evenly distributed around the bottom of the frustum surface of the guide plate 14. The area formed by the bottom of the guide plate 14 and the bottom of the cylinder 1 is the liquid storage area. The through slots 141 and the liquid outlet 12 are connected to the liquid storage area. A feed pipe 15 is installed through the bottom of the cylinder 1. The feed pipe 15 passes through the liquid storage area and passes through the guide plate 14.

[0053] The filter element 24 is a compressible steel wool structure that can be squeezed. In operation, a swirling gas-liquid mixture is formed through the existing spiral air inlet. The swirling gas-liquid mixture enters the area formed by the partition 21 and the guide plate 14 through the feed pipe 15. Under the centrifugal force, the liquid inside the swirling gas-liquid mixture moves towards the side wall of the cylinder 1 due to its large mass and eventually adheres to the inner wall of the cylinder 1. Finally, the liquid accumulates on the inner wall of the cylinder 1 and falls onto the guide plate 14. The liquid falls into the storage area through the through groove 141 on the guide plate 14. Finally, the liquid is discharged outward through the outlet 12 and the liquid discharged through the outlet 12 is collected and processed by the existing container (not shown in the figure).

[0054] Through the above steps, some large-mass liquids can be separated, and the gas-liquid mixture containing small-mass liquids continues to move upwards and to the vicinity of the filter element 24. At this time, the gas-liquid mixture adheres to the filter element 24, and the impurities inside the gas-liquid mixture adhere to the filter element 24. The gas-liquid mixture passing through the filter element 24 continues to move upwards and enters the interior of the coalescing sponge 23 through the rotating cylinder 22.

[0055] The inner wall of the cylinder 1 is equipped with a drive motor (not shown in the figure) that corresponds to the rotating cylinder 22. The drive motor drives the corresponding rotating cylinder 22 to rotate via belt drive. During the rotation of the rotating cylinder 22, the filter element 24 can rotate synchronously. During the rotation of the filter element 24, the impurities attached to its surface can be thrown out by inertia, thus ensuring the filtration effect of the filter element 24 on impurities. In addition, the inertia can also throw out the liquid attached to the inside of the filter element 24. The thrown-out liquid falls directly onto the guide plate 14, ensuring that the filter element 24 can always pass through the gas-liquid mixture.

[0056] Furthermore, the above steps not only achieve self-cleaning of the filter element 24, but also effectively prevent liquid from accumulating inside the filter element 24, thereby ensuring that the filter element 24 maintains high air permeability and high filtration performance when continuously processing gas-liquid mixtures.

[0057] In addition, a rotating shaft 211 corresponding to the rotating cylinder 22 is rotatably mounted at the bottom of the partition 21 via a bearing. The rotating shaft 211 and the corresponding rotating cylinder 22 are connected by a gear transmission. A cleaning sponge 212 for cleaning the filter element 24 on the corresponding rotating cylinder 22 is mounted on the rotating shaft 211.

[0058] In actual operation, the rotating cylinder 22 drives the corresponding rotating shaft 211 to rotate in reverse through gear transmission. During the rotation of the rotating shaft 211, the cleaning sponge 212 rotates synchronously. During the rotation of the cleaning sponge 212, the surface of the filter element 24 can be cleaned of impurities that have not been thrown off by inertia, thus ensuring the air permeability of the filter element 24.

[0059] The reverse rotation of the cleaning sponge 212 can solve the problem of incomplete cleaning by relying solely on centrifugal force. It can remove stubborn impurities attached to the surface of the filter element 24, prevent the micropores of the filter element 24 from becoming clogged, ensure that the filter element 24 maintains uniform and good air permeability, maintain smooth airflow, and thus ensure the high efficiency and stability of the filter element 24 in long-term operation.

[0060] The top of the rotating cylinder 22 is equipped with multiple vertical rods 221 distributed along its circumference, which are used to limit the movement of the coalescing sponge 23.

[0061] To prevent the coalescing sponge 23 from shaking during rotation and to ensure its stability during the coalescing process, the rotating cylinder 22 simultaneously drives the coalescing sponge 23 to rotate. Centrifugal force can be used to throw the liquid out of the coalescing sponge 23, thus ensuring the permeability inside the coalescing sponge 23 and facilitating the continuous entry of the gas-liquid mixture into the coalescing sponge 23. The liquid above the partition 21 is discharged through the liquid outlet 13, and the gas escaping from the coalescing sponge 23 is discharged outward through the gas outlet 11 and collected manually.

[0062] The clamping assembly 25 includes a vertical frame 251 installed in the middle of the partition 21. A rotating shaft 252 is mounted on the vertical frame 251 via a bearing. A gear 257 is mounted on the rotating shaft 252. A circular pressure plate 253 is provided on the vertical rods 221 corresponding to the rotating cylinder 22. The pressure plate 253 is slidably sleeved on the corresponding vertical rod 221. An annular plate 254 is rotatably mounted on the circumference of the pressure plate 253. A limiting frame 255 corresponding to the annular plate 254 is installed on the partition 21. A linkage plate 256 slides through the limiting frame 255. One end of the linkage plate 256 is connected to the annular plate 254. A straight rack plate 258 that meshes with the gear 257 is installed on the end of the linkage plate 256 away from the annular plate 254.

[0063] The two straight rack plates 258 move in opposite directions, that is, when one rack plate 258 moves upward, the other rack plate 258 moves downward.

[0064] During the rotation of the rotating cylinder 22, the lower pressure plate 253 can limit the vertical rod 221. That is, the lower pressure plate 253 continuously applies axial constraint to the upper part of the vertical rod 221, forming an effective radial limiting effect. This can significantly reduce the lateral vibration and sway amplitude of the vertical rod 221 during high-speed rotation due to the low center of gravity caused by the top overhang. It also prevents the vertical rod 221 from plastic bending or breaking under the combined action of centrifugal force and inertial torque.

[0065] This device employs an alternating operation mode of dual rotating cylinders 22 to ensure the continuity and stability of the gas treatment process. During operation, only one rotating cylinder 22 is always in the working state of processing gas-liquid mixtures, with its corresponding filter element 24 and coalescing sponge 23 operating synchronously; while the other rotating cylinder 22 is in the non-working stage, with its corresponding filter element 24 and coalescing sponge 23 in a pressure water cleaning or non-working state.

[0066] The above steps can coordinate the working sequence of the two rotating cylinders 22, so that when the filter element 24 and coalescing sponge 23 on one rotating cylinder 22 are being cleaned or maintained, the filter element 24 and coalescing sponge 23 on the other rotating cylinder 22 can continue to work without interruption, thereby ensuring that the entire device can operate continuously without interruption and effectively improving the operating efficiency and reliability of the device.

[0067] It should be noted that, in the initial position, either lower pressure plate 253 compresses the corresponding coalescing sponge 23, and the corresponding coalescing sponge 23 is in working state at this time, while the other lower pressure plate 253 does not compress the corresponding coalescing sponge 23, and the corresponding coalescing sponge 23 is in non-working state at this time. In actual operation, after the corresponding coalescing sponge 23 has been working for a period of time, the corresponding drive motor is turned off and the other drive motor is turned on. At this time, the motor (not shown in the figure) installed on the vertical frame 251 drives the rotating shaft 252 to rotate through the belt drive. During the rotation of the rotating shaft 252, the corresponding linkage plate 256 is moved through the rack and pinion plate 258. The lower linkage plate 256 moves upward at this time. During the upward movement of the linkage plate 256, the lower pressure plate 253 is moved upward through the annular plate 254. During the upward movement of the lower pressure plate 253, the pressure on the coalescing sponge 23 is gradually released until the lower pressure plate 253 is separated from the corresponding coalescing sponge 23.

[0068] During this process, the higher linkage plate 256 moves downward. As the linkage plate 256 moves downward, it drives the lower pressure plate 253 to move downward through the annular plate 254. As the lower pressure plate 253 moves downward, it gradually comes into contact with the coalescing sponge 23 and applies pressure to the coalescing sponge 23, thereby squeezing out the liquid inside the coalescing sponge 23 and further ensuring the air permeability inside the coalescing sponge 23.

[0069] The liquid at the bottom of the partition 21 is contaminated by impurities inside the gas-liquid mixture and requires secondary cleaning before use. The liquid that passes through the coalescing sponge 23 is relatively clean compared to the above liquid. In order to ensure that the liquid inside the coalescing sponge 23 remains above the partition 21 when the lower pressure plate 253 squeezes the coalescing sponge 23, the present invention provides that the rotating cylinder 22 has arc-shaped plates 222 symmetrically arranged on the side wall along the length direction of the rotating axis 252. The two arc-shaped plates 222 block the corresponding rotating cylinder 22, so that the rotating cylinder 22 forms an upper and lower part. The arc-shaped plates 222 are mounted on the rotating cylinder 22 by a spring hinge on one side, and the arc-shaped plates 222 are centrally symmetrically distributed.

[0070] When the rotating cylinder 22 rotates, the arc plate 222 opens around the spring hinge due to inertial force, and the interior of the rotating cylinder 22 is open, allowing the gas-liquid mixture at the bottom of the partition 21 to enter the interior of the coalescing sponge 23 through the rotating cylinder 22.

[0071] When the rotating cylinder 22 is not rotating, the surface of the coalescing sponge 23 needs to be dewatered. The arc plate 222 blocks the rotating cylinder 22 to prevent the liquid inside the coalescing sponge 23 from entering below the partition plate 21 through the rotating cylinder 22.

[0072] It should be noted that a sealing treatment (such as attaching a sealing gasket) is applied between the two curved plates 222 to prevent liquid from flowing out from the gap between the two curved plates 222.

[0073] To ensure the effective extrusion of liquid inside the filter element 24, the filter element 24 of the present invention is mounted on an assembly frame 223 set on a rotating cylinder 22. Specifically, the assembly frame 223 includes a support frame 224 installed inside the rotating cylinder 22. An extension rod 225 is installed at the bottom of the support frame 224. A support disc 226 for supporting the filter element 24 is installed at the bottom of the extension rod 225. A sliding ring 227 is sleeved on the extension rod 225. Multiple pressing rods 228 are evenly installed on the circumferential surface of the sliding ring 227. Linkage rods 229 are symmetrically installed on the sliding ring 227 along the length direction of the support frame 224. The end of the linkage rod 229 away from the sliding ring 227 passes through the support frame 224 and the arc plate 222 and is installed on the pressing plate 253.

[0074] The filter element 24 is mounted on the support disc 226 and sleeved on the extension rod 225. During operation, when the pressure plate 253 moves down, the sliding ring 227 moves down through the linkage rod 229. During the downward movement of the sliding ring 227, the filter element 24 is squeezed by the pressure rod 228 and the support disc 226. During the squeezing process, the filter element 24 slides along the extension rod 225, thereby ensuring that the liquid inside the filter element 24 can be squeezed out smoothly, ensuring the air permeability and filtration capacity of the filter element 24.

[0075] Working principle of the invention: The gas-liquid mixture is introduced into the area formed by the baffle 21 and the guide plate 14 through the feed pipe 15. Under the swirling effect of the spiral air inlet, centrifugal force is used to achieve initial separation. Larger droplets are thrown towards the inner wall of the cylinder 1 under centrifugal force, and then flow downward along the inner wall of the cylinder 1, finally falling onto the surface of the guide plate 14. They are then guided to the liquid storage area through the circumferentially distributed through grooves 141, and then discharged from the liquid outlet 12. This process effectively removes most of the liquid components from the gas flow, creating conditions for subsequent fine treatment. The gas flow containing residual fine droplets continues to rise and enters the filter element 24.

[0076] Airflow carries residual droplets and impurities into filter element 24 and filters the impurities. Rotating cylinder 22 rotates under the drive of drive motor and synchronously drives filter element 24 to rotate. The centrifugal force generated by the rotation of filter element 24 throws out the impurities and droplets attached to the surface and inside, realizing continuous self-cleaning and ensuring that it continues to have high air permeability and filtration performance. The thrown-out droplets fall onto guide plate 14 and flow into the liquid storage area, thereby avoiding liquid retention and improving filter element processing efficiency.

[0077] The rotating cylinder 22 drives the rotating shaft 211 and the cleaning sponge 212 to rotate in opposite directions via gear transmission. This wipes away stubborn impurities on the surface of the filter element 24 that have not been removed by centrifugal force, further ensuring the unobstructed micropores and air permeability of the filter element 24. The coalescing sponge 23 rotates synchronously under the drive of the rotating cylinder 22, using centrifugal force to detach the stored droplets. The pressing component 25 alternately squeezes and releases the coalescing sponge 23, thereby squeezing out the residual liquid inside, restoring its air permeability and coalescing performance, and ensuring continuous operation.

[0078] The device is equipped with two rotating cylinders 22 that work alternately. One rotating cylinder 22 is always in operation, processing the gas-liquid mixture, and performing liquid separation between the filter element 24 and the coalescing sponge 23. The other rotating cylinder 22 is in a clean or non-operating state. The pressing component 25 and the arc plate 222 cooperate with each other to isolate the rotating cylinder 22 when it is not rotating, avoiding cross-contamination, and guide the liquid collection when the coalescing sponge 23 is squeezed. This enables the device to operate continuously without interruption and significantly improves the separation efficiency.

[0079] 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 implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0080] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multi-stage cyclone gas-liquid separation coalescer, comprising a cylinder (1), the top of the cylinder (1) is provided with a gas outlet (11), the side is respectively provided with a liquid outlet one (12) and a liquid outlet two (13), and the bottom is provided with a feed pipe (15), characterized in that: the inside of the cylinder (1) is provided with a partition plate (21) and a guide plate (14) for separating the inner cavity thereof, the guide plate (14) is located below the partition plate (21) and surrounds a liquid storage area with the inner wall of the cylinder (1), the guide plate (14) is provided with a through groove (141) on the surface thereof to enable the liquid on the surface thereof to flow into the liquid storage area, and the liquid outlet one (12) is communicated with the liquid storage area; at least one rotating cylinder (22) is rotatably installed on the partition plate (21), the rotating cylinder (22) is provided with a coalescing sponge (23) at the top thereof, and a filter element (24) is installed in the rotating cylinder (22) and extends to the outside thereof; the partition plate (21) is further provided with a compression assembly (25) for extruding the coalescing sponge (23). The rotating cylinder (22) is two, and is symmetrically arranged along the axis of the partition plate (21); The compression assembly (25) is configured to alternately apply or release pressure to the coalescing sponge (23) on the two rotating cylinders (22), so that the two rotating cylinders (22) and the filter elements (24) and the coalescing sponge (23) thereon can alternately be in a working state or a cleaning and regenerating state. The compression assembly (25) comprises a vertical frame (251), a rotating shaft (252), a gear one (257), a lower pressing plate (253), an annular plate (254), a linkage plate (256) and a straight rack plate (258); 2. The multi-stage cyclonic gas-liquid separation coalescer of claim 1 wherein: The vertical frame (251) is fixed on the partition plate (21), the rotating shaft (252) is rotatably installed on the vertical frame (251) and is provided with the gear one (257); The lower pressing plate (253) is slidably sleeved on the vertical rod (221) corresponding to the top of the rotating cylinder (22), the lower pressing plate (253) is connected with the straight rack plate (258) through the annular plate (254) and the linkage plate (256) slidably installed on the limiting frame (255); 3. The multi-stage cyclonic gas-liquid separation coalescer of claim 2, wherein: The two straight rack plates (258) are respectively engaged with the two sides of the gear one (257), so that when the rotating shaft (252) rotates, the two lower pressing plates (253) can be driven to move vertically towards or away from each other, so as to alternately compress and release the two coalescing sponges (23). The side wall of the rotating cylinder (22) is symmetrically provided with an arc-shaped plate (222) through a spring hinge; When the rotating cylinder (22) rotates, the arc-shaped plate (222) can be opened under the action of centrifugal inertia to make the inside of the rotating cylinder (22) through; When the rotating cylinder (22) is stationary, the arc-shaped plate (222) is closed under the action of gravity or the linkage of the compression assembly (25) to divide the inner cavity of the rotating cylinder (22) into two parts.

4. The multi-stage cyclonic gas-liquid separation coalescer of claim 3, wherein: ​ ​ ​ 5. The multi-stage cyclonic gas-liquid separation coalescer of claim 4 wherein: The filter core (24) is installed inside the rotating cylinder (22) through an assembling frame (223); the assembling frame (223) comprises a support frame (224), an extension rod (225), a support disc (226), a sliding ring (227), a pressing rod (228) and a linkage rod (229); The support frame (224) is fixed inside the rotating cylinder (22), the extension rod (225) is fixed at the bottom of the support frame (224), and the support disc (226) is fixed at the bottom of the extension rod (225) for supporting the filter core (24); The sliding ring (227) is sleeved on the extension rod (225) and can slide thereon, and the pressing rod (228) is arranged on the sliding ring (227); One end of the linkage rod (229) is connected with the sliding ring (227), and the other end penetrates through the support frame (224) and is connected with the pressing plate (253); When the pressing plate (253) moves downward, the sliding ring (227) and the pressing rod (228) can be pushed downward through the linkage rod (229), and the filter core (24) is extruded together with the support disc (226).

6. The multi-stage cyclonic gas-liquid separation coalescer of claim 1 wherein: The inner wall of the cylinder body (1) is provided with a drive motor corresponding to each rotating cylinder (22), and the drive motor drives the corresponding rotating cylinder (22) to rotate through a belt transmission mechanism.

7. The multi-stage cyclonic gas-liquid separation coalescer of claim 6 wherein: The bottom of the partition plate (21) is rotatably installed with a rotating shaft (211) corresponding to each rotating cylinder (22) through a bearing, and the rotating shaft (211) and the corresponding rotating cylinder (22) are connected through a gear transmission mechanism; The rotating shaft (211) is installed with a cleaning sponge (212) for cleaning the corresponding filter core (24); When the rotating cylinder (22) rotates, the rotating shaft (211) and the cleaning sponge (212) can be driven to rotate in the opposite direction through the gear transmission mechanism.

8. The multi-stage cyclonic gas-liquid separation coalescer of claim 1 wherein: The filter core (24) is a steel wire ball structure that can be elastically compressed.

9. The multi-stage cyclonic gas-liquid separation coalescer of claim 3 wherein: The pressing plate (253) is sleeved on the vertical rod (221) and plays a radial limiting role on the vertical rod (221) when the rotating cylinder (22) rotates.

Citation Information

Patent Citations

  • A gas-liquid separation coalescer and its adjustment method and backwashing method

    CN119746559A