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CN-116927925-B - Centrifugal separator, assembly, apparatus and method

CN116927925BCN 116927925 BCN116927925 BCN 116927925BCN-116927925-B

Abstract

The invention relates to a centrifugal separator, an assembly, a device and a method, which comprise a rotor top lamination, a rotor middle lamination and a rotor bottom lamination, wherein the rotor top lamination, the rotor middle lamination and the rotor bottom lamination are arranged in an upper-lower split mode or integrally, and the rotor middle lamination is integrally arranged, split elastic lamination or split rigid lamination. The invention relates to a gas-liquid mixture separation device, which comprises a rotor channel part, a first channel separation region, a plurality of middle foldback channel separation regions and a third foldback channel separation region, wherein a gas-liquid mixture flowing section is arranged in the path of the rotor channel part from a near center to a telecentric position, the first channel separation region, the plurality of middle foldback channel separation regions and the third foldback channel separation region are sequentially arranged on the path of the rotor channel part in a segmented manner, the third foldback channel separation region is communicated with a separation gas outlet, and the first channel separation region, the plurality of middle foldback channel separation regions and the third foldback channel separation region are communicated through corresponding middle connecting channels.

Inventors

  • ZHANG HUA

Assignees

  • 青岛再特模具有限公司

Dates

Publication Date
20260512
Application Date
20230719

Claims (7)

  1. 1. A centrifugal separation method is characterized in that the centrifugal separation method is carried out by a centrifugal separator, Step one, a rotor part (3) rotates; Step two, the mixed gas to be separated enters a rotor channel part (14) from a mixed gas inlet (2), and is folded back to advance under the drive of centrifugal force and air pressure, and gas separation is carried out under the actions of labyrinth separation, centrifugal separation and variable diameter separation; thirdly, the separated solid and/or liquid falls to an oil collecting part (5), and the separated gas leaves from a separated gas outlet (6); In the first step, the position and clamping elastic force of the rotor channel part (14) are adjusted through the upper spring seat (11) and the lower spring seat (10), and then the driving wheel set (13) rotationally drives the central shaft (9) to enable the rotor channel part (14) to rotate; In the second step, S2.1, firstly, gas to be separated enters from the near center of a first channel separation zone (18) through a gas mixture inlet (2), and goes to an intermediate connecting channel (23) to be gathered and folded back to an intermediate folding channel separation zone (19) in the first channel separation zone (18) in a plurality of parallel branches; S2.2, firstly, the third return channel separation area (20) enables the mixed gas to collide with the non-woven fabric area (15) from the telecentric position to the telecentric position, then ascend to pass through the separation gas outlet channel (26), pass through a gap between the outer shell (1) and the rotor shell (22), and finally, be output through the separation gas outlet (6); When the pressure difference in the rotor channel part (14) is large, part of air flow directly and radially leaks out through a contact gap between the forming modules (32) and is blocked from being radially output to the outermost layer through the stop part (30); in the third step, the separated liquid and/or solid falls to the oil collecting part (5) through the middle connecting channel (23) at the bottom, the non-woven fabric area (15) and the turning-back transverse turning-back channel B (25) and is discharged from the oil return channel.
  2. 2. The centrifugal separation method according to claim 1, wherein the centrifugal separator comprises a rotor portion (3), a rotor housing (22) rotatably provided on the rotor portion (3), and an outer housing (1) provided outside the rotor portion (3); the outer shell (1) is respectively provided with a mixed gas inlet (2) and a separated gas outlet (6); a rotor housing (22) is rotated on the rotor section (3); A circuitous snake channel part (4) sleeved on the rotor part (3) is rotated in the rotor shell (22), and two ends of the circuitous snake channel part (4) are respectively communicated with a mixed gas inlet (2) positioned at a near center and a separated gas outlet (6) positioned at a telecentric position; an oil collecting part (5) is arranged at least below the outlet of the roundabout snake channel part (4); The gas-liquid mixture enters a rotary detour channel part (4) from a mixed gas inlet (2), and centrifugal separation and labyrinth separation are simultaneously carried out in the detour channel part (4); the roundabout snake channel part (4) comprises a rotor channel part (14) which is arranged in a autorotation way; the roundabout snake channel part (4) is arranged in parallel in a folded and/or segmented multi-branch way; The rotor channel part (14) comprises a rotor top lamination layer (27), a rotor middle lamination layer (28) and a rotor bottom lamination layer (29) which are arranged in an upper-lower split or integral way; in the path of the rotor channel part (14), a section is provided for the gas-liquid mixture to flow from the near center to the telecentric position; A first channel separation zone (18), a plurality of middle foldback channel separation zones (19) and a third foldback channel separation zone (20) are sequentially arranged on the path of the rotor channel part (14) in a segmented manner, and the third foldback channel separation zone (20) is communicated with the separated gas outlet (6); The first channel separation zone (18), the plurality of intermediate foldback channel separation zones (19) and the third foldback channel separation zone (20) are communicated through corresponding intermediate connecting channels (23).
  3. 3. The centrifugal separation method according to claim 2, wherein the gas-liquid mixture enters the first channel separation zone (18) at the near center thereof through the mixture inlet (2); The first channel separation region (18), the intermediate return channel separation region (19) and the third return channel separation region (20) have progressively larger cross-sectional widths.
  4. 4. A centrifugal separation method according to claim 3, wherein the rotor portion (3) includes a central shaft (9) provided in the outer case (1) through a corresponding bearing housing (8), a bearing housing end cover (7) is provided on a corresponding side of the bearing housing (8), a shaft snap ring is provided on the central shaft (9), an upper spring seat (11) is provided between the corresponding shaft snap ring and an upper end face of the rotor passage portion (14), and a lower spring seat (10) is provided between the corresponding shaft snap ring and a lower end face of the rotor passage portion (14); A driving wheel set (13) is arranged on the central shaft (9) and is used for being in transmission connection with the power part.
  5. 5. A centrifugal separation method according to claim 4, wherein the oil collecting portion (5) has a side standing wall portion (16); A separation air outlet channel (26) communicated with the outlet of the third return channel separation zone (20) is arranged between the inner side wall of the side standing wall part (16) and the outer side wall of the rotor shell (22), and a non-woven fabric zone (15) is arranged on the inner side wall of the side standing wall part (16), wherein the non-woven fabric zone (15) receives the impact of the output separated mixed gas at the telecentric position of the outlet of the third return channel separation zone (20) for impact separation; the separation gas outlet passage (26) communicates with the separation gas outlet (6) through a gap between the outer casing (1) and the rotor casing (22).
  6. 6. A centrifugal separation method according to claim 5, wherein the stack (28) in the rotor comprises profiled modules (32) arranged in layers; At least the outermost layer of the forming module (32) is provided with a stop part (30), and the stacked forming modules (32) are arranged in an up-down clamping way; the stop part (30) is positioned at the outer side wall of the forming module (32); At least the upper and lower layers of the innermost layer of the forming module (32) are in face-to-face contact; the forming module (32) is provided with radial rib plates (33) for dividing the corresponding first channel separation area (18), a plurality of middle foldback channel separation areas (19) and/or a third foldback channel separation area (20) into a plurality of arch areas; the top intermediate connection channel (23) is located in the rotor top stack (27) and the bottom intermediate connection channel (23) is located in the rotor bottom stack (29).
  7. 7. A centrifugal separation method according to claim 6, wherein the oil collecting portion (5) has an oil return passage; the spacing disc (17) is arranged below the oil collecting part (5).

Description

Centrifugal separator, assembly, apparatus and method Technical Field The invention relates to a centrifugal separator, an assembly, an apparatus and a method. Background In order to realize oil-gas separation, the oil-gas separator used by the engine has various structures, such as a prior patent CN218953400U component, a separator, an assembly and a system, and does not have centrifugal separation, such as a CN103357513A gas purifying separator, and adopts labyrinth separation, but has poor separation effect. How to improve the separation efficiency of a centrifugal separator is a technical problem to be solved urgently. Disclosure of Invention The invention aims to solve the technical problems of providing a centrifugal separator, a centrifugal separator assembly, centrifugal separator equipment and centrifugal separator method, and aims to achieve better separation effect by fully utilizing limited space. In order to solve the problems, the invention adopts the following technical scheme: In order to achieve a better separation effect, a centrifugal separation method is provided by means of a centrifugal separator, which is as follows, Step one, a rotor part rotates; Step two, the mixed gas to be separated enters a rotor channel part from a mixed gas inlet, and is folded back to advance under the drive of centrifugal force and air pressure, and gas separation is carried out under the actions of labyrinth separation, centrifugal separation and reducing separation; And thirdly, the separated solid and/or liquid falls to an oil collecting part, and the separated gas leaves from a separated gas outlet. As a further improvement of the above technical scheme: In order to optimize the separation effect, in the first step, the position and clamping elastic force of the rotor channel part are adjusted through the upper spring seat and the lower spring seat, and then the wheel set is driven to rotate to drive the central shaft so that the rotor channel part rotates; S2.1, firstly, gas to be separated enters from the near center of a first channel separation zone through a gas mixture inlet, and moves forward to an intermediate connecting channel for collecting and turning back to an intermediate turning-back channel separation zone in the first channel separation zone in a plurality of parallel branches; s2.2, firstly, the third return channel separation area collides with the non-woven fabric area from the telecentric position to the telecentric position, then ascends to pass through the separation air outlet channel, passes through the gap between the outer shell and the rotor shell, and finally, is output through the separation air outlet; when the pressure difference in the rotor channel part is large, part of air flow directly and radially leaks out through the contact gaps between the forming modules and is blocked by the stop part to be radially output to the outermost layer; In the third step, the separated liquid and/or solid falls to the oil collecting part through the middle connecting channel, the non-woven fabric area and the turning-back transverse turning-back channel B at the bottom and is discharged from the oil return channel. In order to achieve effective separation, a centrifugal separator comprises a rotor part, a rotor shell, a rotor cover and a rotor cover, wherein the rotor shell is rotated on the rotor part; The outer shell is respectively provided with a mixed gas inlet and a separated gas outlet; A rotor housing rotating on the rotor portion; The two ends of the circuitous serpentine channel part are respectively communicated with a mixed gas inlet positioned at the near center and a separated gas outlet positioned at the far center; An oil collecting part is arranged at least below the outlet of the roundabout snake channel part; The gas-liquid mixture enters the rotary detour channel part from the gas mixture inlet, centrifugal separation and labyrinth separation are carried out in the detour channel part at the same time, and separated solid and/or liquid in the gas-liquid mixture falls into the oil collecting part. As a further improvement of the above technical scheme: the roundabout channel part comprises a rotor channel part which is arranged in a autorotation way. As an overall protection solution, an apparatus comprising a centrifugal separator as described above and/or using a method as described above. The oil mist mixed gas flows in the rotor in a multiple turning-back way and is centrifugally separated, so that the separation efficiency is greatly improved, the turning-back channel can be preferably three channels for secondary turning-back, and can also be other numbers of channels and turning-back times, each channel consists of a certain number of sub-channels, and the sub-channels are converged and turned back at the end part. The rotor is formed by stacking laminated structures in the axial direction, and can be divided into a top laminated structure, a middle laminate