CN220396477U - Gas sealing structure of centrifugal extractor - Google Patents
Gas sealing structure of centrifugal extractor Download PDFInfo
- Publication number
- CN220396477U CN220396477U CN202322260490.6U CN202322260490U CN220396477U CN 220396477 U CN220396477 U CN 220396477U CN 202322260490 U CN202322260490 U CN 202322260490U CN 220396477 U CN220396477 U CN 220396477U
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- Prior art keywords
- air bag
- groove
- centrifugal extractor
- mounting
- gas seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 238000000605 extraction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The utility model discloses a gas sealing structure of a centrifugal extractor, which comprises a device body, wherein the device body comprises an outer shell and a mounting block, a coupler is arranged at the upper end of the outer shell, the upper end of the coupler is connected with a motor, a rotary drum is arranged in the outer shell, a collecting cavity is arranged at the upper end of the rotary drum, a rotating shaft is arranged at the lower end of the motor, penetrates through the outer shell and is connected with the rotary drum, a mounting groove is arranged at the upper end of the outer shell, a plurality of mounting holes are formed in the mounting groove, the mounting block is inserted into the mounting groove, an air bag groove is formed in an inner ring of the mounting block, and an upper air bag and a lower air bag are arranged in the air bag groove.
Description
Technical Field
The utility model relates to the technical field of centrifugal extractors, in particular to a gas sealing structure of a centrifugal extractor.
Background
The centrifugal extractor is novel, quick and efficient liquid-liquid mixing and separating equipment, the centrifugal extractor drives the rotary drum to rotate at high speed by utilizing a motor, two liquids which are different in density and are not miscible with each other are subjected to mixed mass transfer under the action of shearing force generated by the rotation of the rotary drum or the paddle, and are quickly separated under the action of the centrifugal force generated by the high-speed rotation of the rotary drum, so that the centrifugal extractor is widely applied to industries such as fine chemical industry, pharmacy, hydrometallurgy, petrochemical industry, environmental protection, plant extraction and the like;
the centrifugal extractor mainly comprises two working processes, namely mixed mass transfer and centrifugal separation. The centrifugal extractor can automatically and continuously complete two processes of mixing and separating, and the water phase and the organic phase are sheared and dispersed into tiny liquid drops by a rotary drum or a blade rotating at high speed after entering the centrifugal extractor, so that the two phases are fully contacted, thereby achieving the purpose of mass transfer;
most centrifugal extractors in the prior art have complex structures and perfect functions, but the centrifugal extractors still have the following problems: the sealing effect of the existing centrifugal extractor is poor, gaps are easily formed at the connection part of the motor rotating shaft and the upper part of the outer shell body during use, so that the extractor is prone to leakage of lubricating oil and the like, the extraction effect is affected, a small number of extractors with air seal structures cannot achieve the ideal sealing effect, and the air seal structures are inconvenient to detach and replace, so that the extractors are required to be upgraded and modified on the basis of the prior art.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a gas sealing structure of a centrifugal extractor, which can realize the gas sealing effect between a rotating shaft and an outer shell and has a double-layer sealing effect, effectively avoid leakage of lubricating oil or extract liquid through a gap between the rotating shaft and the outer shell, realize free disassembly and assembly operations of a mounting block, facilitate elastic pre-tightening of the mounting block, and has simple structure and strong stability.
In order to solve the problems, the following technical scheme is provided:
the utility model provides a centrifugal extraction machine gas seal structure, includes the device body, the device body contains shell body and installation piece, shaft coupling and shaft coupling upper end are installed to the shell body upper end and are connected with the motor, the inside rotary drum and the rotary drum upper end that are provided with of shell body are provided with the collecting chamber, the motor lower extreme is provided with axis of rotation and runs through the shell body and be connected with the rotary drum, a plurality of mounting holes have been seted up in shell body upper end is equipped with mounting groove and the mounting groove, the installation piece is pegged graft in the mounting groove, be provided with the gasbag groove in the installation piece inner circle, install gasbag and lower gasbag and go up gasbag and laminating down on the axis of rotation outer wall in the gasbag inslot, be equipped with a plurality of fastening bolts on the installation piece, fastening bolt runs through installation piece and spiro union in the mounting hole.
Furthermore, the lower end of the mounting groove is provided with a sealing groove, and the lower end of the mounting block is provided with a sealing ring which is spliced with the sealing groove.
Further, a connecting air bag is arranged between the upper air bag and the lower air bag in a conducting way, and the connecting air bag is positioned in the air bag groove.
Further, the top of the upper air bag is provided with an air filling port, the mounting block is provided with a plug hole, the air filling port is movably connected in the plug hole in a penetrating manner, and the outer side of the air filling port is fixedly connected with a sealing cap in a threaded manner.
Further, the fastening bolt is movably sleeved with a disc spring and an elastic sheet, and the elastic sheet is positioned at the lower end of the disc spring.
Furthermore, the surface of the mounting block is provided with a plurality of countersunk grooves, and the upper ends of the fastening bolts are movably positioned in the countersunk grooves.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the centrifugal extractor, the installation block, the upper air bag, the lower air bag, the air adding port and the sealing ring are arranged in the device, when the centrifugal extractor is used, the installation block is inserted into the installation groove, the air adding port and the connecting air bag are used for filling air into the upper air bag and the lower air bag, and the two groups of air bags are sealed and attached to the outer wall of the rotating shaft, so that the air sealing effect between the rotating shaft and the outer shell can be achieved, the double-layer sealing effect is achieved, leakage of lubricating oil or extracting solution through a gap between the rotating shaft and the outer shell is effectively avoided, and the sealing effect of the centrifugal extractor is improved.
2. According to the utility model, the mounting groove, the mounting block, the mounting hole, the fastening bolt, the disc spring and the elastic sheet are arranged in the device, when in use, the mounting block is inserted into the mounting groove, the disc spring and the elastic sheet are sleeved on the fastening bolt, and then the fastening bolt penetrates through the mounting block and is screwed into the mounting hole, so that the disc spring and the elastic sheet are compressed, free dismounting operation of the mounting block can be realized, the elastic pre-tightening of the mounting block is facilitated, the structure is simple, the stability is strong, and the problems of shaking and sealing failure of the mounting block when the fastening bolt is loosened are avoided.
Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a gas seal structure of a centrifugal extractor according to the present utility model;
FIG. 2 is a cross-sectional view showing the internal structure of a gas seal structure of a centrifugal extractor according to the present utility model;
FIG. 3 is a cross-sectional view of the outer housing of a gas seal arrangement of a centrifugal extractor in accordance with the present utility model;
FIG. 4 is an exploded view of a mounting block for a gas seal arrangement of a centrifugal extractor in accordance with the present utility model;
fig. 5 is a construction diagram of a fastening bolt of a gas seal structure of a centrifugal extractor according to the present utility model.
In the figure: 1. a device body; 2. an outer housing; 3. a coupling; 4. a motor; 5. a rotating drum; 6. a collection chamber; 7. a rotating shaft; 8. a mounting groove; 9. a mounting hole; 10. a mounting block; 11. a seal ring; 12. sealing grooves; 13. an air bag groove; 14. a plug hole; 15. an upper air bag; 16. a lower air bag; 17. connecting an air bag; 18. an air inlet; 19. a sealing cap; 20. a fastening bolt; 21. a disc spring; 22. a spring plate; 23. countersunk grooves.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, the gas sealing structure of the centrifugal extractor provided by the embodiment comprises a device body 1, the device body 1 comprises an outer shell 2 and a mounting block 10, a coupler 3 is installed at the upper end of the outer shell 2, a motor 4 is connected to the upper end of the coupler 3, a rotary drum 5 is arranged inside the outer shell 2, a collecting cavity 6 is arranged at the upper end of the rotary drum 5, a rotating shaft 7 is arranged at the lower end of the motor 4, the rotating shaft 7 penetrates through the outer shell 2 and is connected with the rotary drum 5, a mounting groove 8 is formed in the upper end of the outer shell 2, a plurality of mounting holes 9 are formed in the mounting groove 8, the mounting block 10 is inserted into the mounting groove 8, an air bag groove 13 is formed in the inner ring of the mounting block 10, an upper air bag 15 and a lower air bag 16 are mounted in the air bag groove 13 and are attached to the outer wall of the rotating shaft 7, a plurality of fastening bolts 20 are arranged on the mounting block 10, and the fastening bolts 20 penetrate through the mounting block 10 and are in the mounting holes 9.
Preferably, the mounting groove 8 lower extreme is equipped with seal groove 12, the mounting block 10 lower extreme is equipped with sealing washer 11 and sealing groove 12 grafting, it is provided with connection gasbag 17 and connects gasbag 17 to switch on between gasbag 15 and the lower gasbag 16 and be located gasbag inslot 13, it is provided with the gas port 18 to go up gasbag 15 top, be equipped with spliced eye 14 on the mounting block 10, the movable cross-under of gas port 18 is in spliced eye 14 and the outside spiro union of gas port 18 is fixed with sealing cap 19, be convenient for seal the reinforcing to mounting block 10 bottom and mounting groove 8 laminating department through sealing groove 12 and sealing washer 11 cooperation, be convenient for switch on gasbag 15 and lower gasbag 16 through connecting gasbag 17, be convenient for aerify two sets of gasbags simultaneously through a set of gas port 18.
Preferably, the movable sleeve is equipped with dish spring 21 and shell fragment 22 on the fastening bolt 20, and shell fragment 22 is located dish spring 21 lower extreme, and a plurality of countersunk grooves 23 have been seted up on the installation piece 10 surface, and fastening bolt 20 upper end activity is located countersunk groove 23, is convenient for carry out elasticity pretension between fastening bolt 20 and the installation piece 10 through dish spring 21 and shell fragment 22, prevents that fastening bolt 20 from appearing becoming flexible and leading to sealed becoming flexible between installation piece 10 and the mounting groove 8, is convenient for hide the placing fastening bolt 20 through countersunk groove 23, avoids its more space of occupation.
The application principle and the application flow of the utility model are as follows: during use, the installation block 10 is inserted into the installation groove 8, the disc spring 21 and the elastic sheet 22 are sleeved on the fastening bolt 20 in sequence, then the fastening bolt 20 is in the installation hole 9 in a screwed mode, the disc spring 21 and the elastic sheet 22 are located in the countersunk groove 23 and are in a compressed state, then the rotating shaft 7 passes through the middle of the installation block 10 and is connected with the rotary drum 5, the sealing cap 19 can be opened, the upper air bag 15 and the lower air bag 16 are inflated through the air inlet 18, the inner sides of the upper air bag 15 and the lower air bag 16 are sealed and compressed on the rotating shaft 7, the rotating shaft 7 is controlled to drive the rotary drum 5 to centrifugally rotate and achieve an extraction function, and when the air bag or the installation block 10 needs to be overhauled, the fastening bolt 20 can be disassembled and the installation block 10 can be taken out from the installation groove 8.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.
Claims (6)
1. A centrifugal extractor gas seal structure which characterized in that: including device body (1), device body (1) contains shell body (2) and installation piece (10), shaft coupling (3) and shaft coupling (3) upper end are installed to shell body (2) upper end and are connected with motor (4), shell body (2) inside is provided with rotary drum (5) and rotary drum (5) upper end is provided with collects chamber (6), motor (4) lower extreme is provided with axis of rotation (7) and axis of rotation (7) run through shell body (2) and are connected with rotary drum (5), shell body (2) upper end is equipped with mounting groove (8) and has seted up a plurality of mounting holes (9) in mounting groove (8), install piece (10) grafting in mounting groove (8), be provided with gasbag groove (13) in the inner circle of mounting piece (10), install gasbag (15) and lower gasbag (16) and go up gasbag (15) and down on axis of rotation (7) outer wall, be equipped with on installation piece (10) fastening piece (20) and install bolt (20) in a plurality of through bolt (20).
2. The gas seal structure of a centrifugal extractor of claim 1, wherein: the lower end of the mounting groove (8) is provided with a sealing groove (12), the lower end of the mounting block (10) is provided with a sealing ring (11), and the sealing ring (11) is spliced with the sealing groove (12).
3. The gas seal structure of a centrifugal extractor of claim 1, wherein: a connecting air bag (17) is arranged between the upper air bag (15) and the lower air bag (16) in a conducting way, and the connecting air bag (17) is positioned in the air bag groove (13).
4. The gas seal structure of a centrifugal extractor of claim 1, wherein: the top of the upper air bag (15) is provided with an air filling port (18), the mounting block (10) is provided with a plug hole (14), the air filling port (18) is movably connected in the plug hole (14) in a penetrating way, and the outer side of the air filling port (18) is fixedly connected with a sealing cap (19) in a threaded way.
5. The gas seal structure of a centrifugal extractor of claim 1, wherein: the fastening bolt (20) is movably sleeved with a disc spring (21) and an elastic sheet (22), and the elastic sheet (22) is positioned at the lower end of the disc spring (21).
6. The gas seal structure of a centrifugal extractor of claim 1, wherein: the surface of the mounting block (10) is provided with a plurality of countersunk grooves (23), and the upper ends of the fastening bolts (20) are movably positioned in the countersunk grooves (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260490.6U CN220396477U (en) | 2023-08-22 | 2023-08-22 | Gas sealing structure of centrifugal extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322260490.6U CN220396477U (en) | 2023-08-22 | 2023-08-22 | Gas sealing structure of centrifugal extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396477U true CN220396477U (en) | 2024-01-26 |
Family
ID=89611957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322260490.6U Active CN220396477U (en) | 2023-08-22 | 2023-08-22 | Gas sealing structure of centrifugal extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396477U (en) |
-
2023
- 2023-08-22 CN CN202322260490.6U patent/CN220396477U/en active Active
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