CN220547102U - Etching liquid extraction centrifugal device - Google Patents
Etching liquid extraction centrifugal device Download PDFInfo
- Publication number
- CN220547102U CN220547102U CN202321840560.9U CN202321840560U CN220547102U CN 220547102 U CN220547102 U CN 220547102U CN 202321840560 U CN202321840560 U CN 202321840560U CN 220547102 U CN220547102 U CN 220547102U
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- CN
- China
- Prior art keywords
- centrifugal
- urceolus
- etching liquid
- fixed mounting
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000005530 etching Methods 0.000 title claims abstract description 56
- 238000000605 extraction Methods 0.000 title claims abstract description 47
- 239000012535 impurity Substances 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 15
- 210000001503 joint Anatomy 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000010808 liquid waste Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 238000005119 centrifugation Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000002699 waste material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model provides an etching liquid extraction centrifugal device. Etching liquid extraction centrifugal device includes urceolus, centrifugal jar and motor, and the centrifugal jar sets up in the urceolus, and motor fixed mounting is in the top of urceolus, fixed mounting has the support taper plate in the urceolus, the bottom of centrifugal jar with the support taper plate rotates to be connected, a plurality of heavy phase discharge holes have been seted up on the outer wall of centrifugal jar and near top position department, the top central point department fixed mounting of centrifugal jar has the light phase drainage tube, fixed mounting has in the urceolus is located the annular frid of centrifugal jar top, the light phase drainage tube is kept away from the one end of centrifugal jar extends to in the annular frid. The etching liquid extraction centrifugal device provided by the utility model has the advantages that continuous centrifugal extraction can be carried out, front-end impurity filtration can be carried out on etching liquid, the centrifugal extraction time is shortened, and the extraction effect is improved.
Description
Technical Field
The utility model relates to the technical field of centrifugal extraction, in particular to an etching liquid extraction centrifugal device.
Background
The etching liquid is a liquid for carving by corroding the characteristics of the copper foil-clad material, common acid copper chloride, alkaline copper chloride, ferric chloride, ammonium persulfate and the like, related manufacturers can select according to the aspects of etching speed, etching coefficient, environmental protection and the like, the etching liquid can dissolve substances on the surface of the raw material during etching, then etching liquid waste liquid is generated, and in order to recycle the etching liquid waste, the impurity part can be separated by adopting a centrifugal extraction mode.
Among the prior art, the chinese patent of the utility model of grant publication No. CN215653983U proposes a centrifugal extraction device in copper etching solution, including handling the incasement and being provided with the centrifugation jar, it is provided with the closing cap to handle the incasement top, closing cap up end fixedly connected with motor, motor one end extends and is provided with the pivot, pivot bottom fixedly connected with is on the centrifugation jar, centrifugation jar bottom fixedly connected with base, centrifugation jar bottom intermediate position fixedly connected with accepts the axle, centrifugation jar side lower half is provided with the filter screen. The side edge of the inner wall of the treatment box is fixedly connected with a fixing plate, and the side edge of the upper end of the centrifugal tank is fixedly connected with a connecting plate. Although the utility model can rapidly carry out solid-liquid separation on the waste liquid by centrifugal force, remove impurities in the waste liquid, and recycle the waste liquid of etching liquid, thereby greatly reducing the production cost and reducing the environmental pollution. However, when the device is used, etching liquid waste liquid needs to be poured into the centrifugal tank, continuous centrifugal access cannot be achieved, the efficiency is low, the lack of the pre-filtering device can cause excessive content in the etching liquid waste liquid entering the centrifugal tank, and the expected extraction effect can be achieved only by long-time centrifugation.
Therefore, it is necessary to provide a new etching solution extraction centrifuge device to solve the above technical problems.
Disclosure of Invention
The technical problem solved by the utility model is to provide the etching liquid extraction centrifugal device which can perform continuous centrifugal extraction, can filter the front-end impurities of the etching liquid, is favorable for shortening the centrifugal extraction time and improving the extraction effect.
In order to solve the technical problems, the etching liquid extraction centrifugal device provided by the utility model comprises: the centrifugal tank is arranged in the outer cylinder, the motor is fixedly arranged at the top of the outer cylinder, a supporting conical plate is fixedly arranged in the outer cylinder, the bottom of the centrifugal tank is connected with the supporting conical plate in a rotating mode, a plurality of heavy phase discharging holes are formed in the outer wall of the centrifugal tank and close to the top, a light phase drainage tube is fixedly arranged at the center of the top of the centrifugal tank, an annular groove plate is fixedly arranged in the outer cylinder, the light phase drainage tube is far away from one end of the centrifugal tank, the light phase drainage tube extends to the annular groove plate, the light phase drainage tube penetrates through the inner ring of the annular groove plate, the inner ring of the annular groove plate is movably connected, a connecting seat is fixedly arranged at the top of the centrifugal tank, an output shaft of the motor extends to the inner side of the centrifugal tank, the connecting seat is fixedly connected with a feeding pipe, a connecting box is fixedly arranged on the inner wall of the bottom of the outer cylinder, the bottom of the feeding pipe extends to the lower side of the supporting conical plate, the connecting box is fixedly connected with the outer cylinder, the light phase drainage tube is fixedly arranged on one side of the outer cylinder, the connecting box is fixedly connected with the discharging box, and the discharging box is fixedly arranged on one side of the discharging box, and the discharging box is fixedly connected with the discharging box.
Preferably, the top fixed mounting of support cone plate has the sleeve, the bottom fixed mounting of centrifugal jar has hollow pivot, fixed cover is equipped with the bearing in the hollow pivot, the outer lane of bearing with telescopic inner wall fixed connection, the inlet pipe runs through hollow pivot, and with the inner wall swing joint of hollow pivot.
Preferably, the top fixed mounting of linking box has the butt joint pipe, the bottom of inlet pipe extends to in the butt joint pipe, fixed mounting has two sealing washer on the inner wall of butt joint pipe, the inlet pipe runs through two sealing washer to rotate sealing connection with the inner circle of two sealing washer.
Preferably, the filter plate is made of PTFE.
Preferably, the top of filter cassette has seted up the return channel, fixed mounting has sealed the pad on the bottom inner wall in return channel, the top fixed mounting of filter cassette has the apron, the bottom integrated into one piece of apron is provided with the protruding muscle of return shape, the bottom of the protruding muscle of return shape extends to in the return channel, and with sealed pad contacts.
Preferably, the bottom of filter cartridge is provided with the recess, the bottom fixed mounting of apron has two connecting rods, two the bottom fixed mounting of connecting rod has the same impurity collection box that is located in the recess.
Compared with the related art, the etching liquid extraction centrifugal device provided by the utility model has the following beneficial effects:
(1) the utility model provides an etching liquid extraction centrifugal device, which can not only finish the separation of heavy phase liquid and the extraction of light phase liquid containing impurities in etching liquid waste liquid, but also continuously convey the etching liquid waste liquid into a centrifugal tank through the arrangement of a supporting conical plate, the centrifugal tank, an annular groove plate, a connecting seat, a motor, a feeding pipe, a connecting box, a connecting pipe and a feeding pipe, thereby realizing continuous centrifugal extraction and having the advantage of high working efficiency;
(2) through set up parts such as filter box, filter, apron between connecting pipe and notes material pipe, can be before the etching solution enters into the centrifugation jar, the impurity interception with some macroparticles in advance reduces the content of impurity in the etching solution waste liquid, can be favorable to the heavy phase liquid faster to separate with the light phase liquid, thereby shorten centrifugal extraction required time, improve extraction effect simultaneously, the bottom of filter box is provided with the recess in addition, be provided with in the recess with apron fixed connection's impurity collection box, can concentrate the collection to the impurity that intercepts, convenient follow-up clear up the impurity.
Drawings
FIG. 1 is a schematic diagram of an etching solution extraction centrifuge according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a preferred embodiment of an etching liquid extraction centrifuge according to the present utility model;
FIG. 3 is a schematic cross-sectional view of the filter cartridge of FIG. 2;
FIG. 4 is an exploded view of the filter cartridge, gasket, impurity collection cartridge and cover plate shown in FIG. 2;
FIG. 5 is a schematic top cross-sectional view of a preferred embodiment of an etching liquid extraction centrifuge according to the present utility model.
Reference numerals in the drawings: 1. an outer cylinder; 2. supporting the cone plate; 3. a centrifuge pot; 4. a heavy phase discharge hole; 5. a light phase drainage tube; 6. an annular groove plate; 7. a connecting seat; 8. a motor; 9. a light phase discharging pipe; 10. a heavy phase discharge pipe; 11. a junction box; 12. a feed pipe; 13. a connecting pipe; 14. a filter box; 15. a material injection pipe; 16. a filter plate; 17. a cover plate; 18. an impurity collection box; 19. a sealing gasket; 1401. a groove.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1-5, fig. 1 is a schematic structural diagram of an etching solution extraction centrifugal device according to a preferred embodiment of the utility model; FIG. 2 is a schematic cross-sectional view of a preferred embodiment of an etching liquid extraction centrifuge according to the present utility model; FIG. 3 is a schematic cross-sectional view of the filter cartridge of FIG. 2; FIG. 4 is an exploded view of the filter cartridge, gasket, impurity collection cartridge and cover plate shown in FIG. 2; FIG. 5 is a schematic top cross-sectional view of a preferred embodiment of an etching liquid extraction centrifuge according to the present utility model. The etching liquid extraction centrifugal device comprises: the centrifugal tank 3 is arranged in the outer cylinder 1, the motor 8 is fixedly arranged at the top of the outer cylinder 1, a supporting conical plate 2 is fixedly arranged in the outer cylinder 1, the bottom of the centrifugal tank 3 is rotationally connected with the supporting conical plate 2, a sleeve is fixedly arranged at the top of the supporting conical plate 2, a hollow rotating shaft is fixedly arranged at the bottom of the centrifugal tank 3, a bearing is fixedly sleeved on the hollow rotating shaft, an outer ring of the bearing is fixedly connected with the inner wall of the sleeve, a feeding pipe 12 penetrates through the hollow rotating shaft and is movably connected with the inner wall of the hollow rotating shaft, a plurality of heavy phase discharging holes 4 are formed in the outer wall of the centrifugal tank 3 and close to the top, in the rotating process of the centrifugal tank 3, heavy phases (containing impurities) with high density are gradually far away from the center of the centrifugal tank 3 and finally discharged into the outer cylinder 1 through the plurality of heavy phase discharging holes 4, the center of the top of the centrifugal tank 3 is fixedly provided with a light phase drainage tube 5, the inside of the outer cylinder 1 is fixedly provided with an annular groove plate 6 positioned above the centrifugal tank 3, one end of the light phase drainage tube 5, which is far away from the centrifugal tank 3, extends into the annular groove plate 6, the light phase drainage tube 5 penetrates through the inner ring of the annular groove plate 6 and is movably connected with the inner ring of the annular groove plate 6, in the rotating process of the centrifugal tank 3, small sealed light phase liquid gradually approaches the center of the centrifugal tank 3 and is discharged into the annular groove plate 6 through the light phase drainage tube 5, the top of the centrifugal tank 3 is fixedly provided with three supporting rods, the top ends of the three supporting rods are fixedly provided with the same connecting seat 7, the output shaft of the motor 8 extends into the centrifugal tank 3 and is fixedly connected with the connecting seat 7, the light phase drainage tube 5 penetrates through the space between the two supporting rods, the bottom of the centrifugal tank 3 is fixedly provided with a feeding pipe 12, the inner wall of the bottom of the outer cylinder 1 is fixedly provided with a connection box 11, the bottom end of the feed pipe 12 extends to the lower side of the supporting conical plate 2, the top of the connection box 11 is fixedly provided with a butt joint pipe, the bottom end of the feed pipe 12 extends into the butt joint pipe, the inner wall of the butt joint pipe is fixedly provided with two sealing rings, the feed pipe 12 penetrates through the two sealing rings and is in rotary sealing connection with the inner rings of the two sealing rings, under the condition that the rotation of the feed pipe 12 is not influenced, one side of the outer cylinder 1 is fixedly provided with a filter box 14, the filter box 14 is internally provided with a filter plate 16, specifically, the inner walls of two sides of the filter box 14 are fixedly provided with four limiting blocks, the four limiting blocks are arranged on the front side of the filter plate 16, the other four are arranged on the rear side of the filter plate 16, the filter plate 16 is made of PTFE material, the filter plate 16 is provided with a plurality of filter holes, the mesh number is 60-80, large-particle impurities in the etching liquid waste liquid are intercepted in advance through the filtration of a filter plate 16, the large-particle impurities are prevented from entering a centrifugal tank 3, a material injection pipe 15 is fixedly arranged on the outer wall of one side, far away from an outer cylinder 1, of a filter box 14, a connecting pipe 13 is fixedly arranged on the outer wall of one side, close to the outer cylinder 1, of the filter box 14, one end, far away from the material injection pipe 15, of the connecting pipe 13 extends into the outer cylinder 1 and is fixedly connected with a connecting box 11, a check valve is further arranged on the connecting pipe 13, a light-phase discharging pipe 9 communicated with an annular groove plate 6 is fixedly arranged on the outer wall of the outer cylinder 1, a heavy-phase discharging pipe 10 is fixedly arranged on the outer wall of the outer cylinder 1, the etching liquid waste liquid is input into the material injection pipe 15 in a pumping mode, enters the connecting pipe 13 under a pumping pressure after being filtered by the filter plate 16, and then enters the centrifugal tank 3 through the connecting pipes 11 and 12 in turn, in the process of rotating the centrifugal tank 3, etching liquid is continuously input into the centrifugal tank 3 from the outside, so that continuous centrifugal extraction is realized.
In this embodiment, in order to ensure the tightness of the filter box 14, a groove is formed in the top of the filter box 14, a sealing gasket 19 is fixedly installed on the inner wall of the bottom of the groove, a cover plate 17 is fixedly installed on the top of the filter box 14 through bolts, the top of the filter plate 16 contacts with the bottom of the cover plate 17, a circular bead is integrally formed in the bottom of the cover plate 17, and the bottom of the circular bead extends into the groove and contacts with the sealing gasket 19.
In this embodiment, in order to collect the intercepted impurity intensively, the impurity is conveniently cleaned subsequently, the bottom of the filter box 14 is provided with a groove 1401, the bottom of the cover plate 17 is fixedly provided with two connecting rods, and the bottom end of the two connecting rods is fixedly provided with an impurity collecting box 18 which is positioned in the groove 1401.
The working principle of the etching liquid extraction centrifugal device provided by the utility model is as follows:
when the centrifugal tank 3 is used, etching liquid waste liquid is pumped into the material filling pipe 15, the etching liquid waste liquid passes through the filter plate 16 under the pumping pressure and then enters the connecting pipe 13, some large-particle impurities are intercepted by the filter plate 16, finally fall into the impurity collecting box 18 under the action of gravity, enter the connecting box 11 through the connecting pipe 13 and then enter the centrifugal tank 3 through the material filling pipe 12, after the motor 8 is started to operate, the motor 8 drives the connecting seat 7 to rotate at high speed, the centrifugal tank 3 rotates at high speed, the etching liquid waste liquid in the centrifugal tank 3 also rotates at high speed, and under the action of centrifugal force, the heavy phase liquid of impurities and metal ions gradually lean against the tank wall of the centrifugal tank 3 (namely away from the center of the centrifugal tank 3), finally are discharged out of the centrifugal tank 3 from the heavy phase discharging holes 4 and then fall onto the supporting conical plate 2, and finally are discharged through the heavy phase discharging pipe 10; the light phase liquid gradually approaches the center of the centrifugal tank 3, is discharged into the annular groove plate 6 through the light phase drainage tube 5, and is finally discharged through the light phase discharge tube 9, so that the heavy phase liquid (containing impurities) separation and the light phase liquid extraction work are realized, and the continuous operation of the motor 8 is carried out, and the continuous storage and centrifugation work of the etching liquid can be carried out along with the continuous input of the etching liquid waste liquid into the centrifugal tank 3;
the cover plate 17 is opened regularly to clear up the filter 16 to clear up impurity in the impurity collection box 18, upwards carry after the cover plate 17 is opened, can directly say impurity collection box 18 through two connecting rods and put forward, then clear up the impurity of collecting, and after the cover plate 17 is taken away, the top of filter 16 has also lost the restriction, can draw it out the impurity clearance on surface.
Compared with the related art, the etching liquid extraction centrifugal device provided by the utility model has the following beneficial effects:
the utility model provides an etching liquid extraction centrifugal device, which not only can finish the separation of heavy phase liquid containing impurities in etching liquid waste liquid and the extraction of light phase liquid, but also can continuously convey the etching liquid waste liquid into a centrifugal tank 3 through the arrangement of a supporting conical plate 2, the centrifugal tank 3, an annular groove plate 6, a connecting seat 7, a motor 8, a feeding pipe 12, a connecting box 11, a connecting pipe 13 and a feeding pipe 15, thereby realizing continuous centrifugal extraction and having the advantage of high working efficiency; through setting up parts such as filter cartridge 14, filter 16, apron 17 between connecting pipe 13 and notes material pipe 15, can be before etching solution enters into centrifugal jar 3, the impurity interception of part macroparticle in advance reduces the content of impurity in the etching solution waste liquid, can be favorable to heavy phase liquid faster and light phase liquid to separate, thereby shorten centrifugal extraction required time, improve extraction effect simultaneously, the bottom of filter cartridge 14 is provided with recess 1401 in addition, be provided with in the recess 1401 with apron 17 fixed connection's impurity collection box 18, can concentrate the collection to the impurity of interception, the convenience is followed and is cleared up the impurity.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides an etching liquid extraction centrifugal device, includes urceolus (1), centrifugal tank (3) and motor (8), and centrifugal tank (3) set up in urceolus (1), motor (8) fixed mounting is in the top of urceolus (1), a serial communication port, fixed mounting has support cone plate (2) in urceolus (1), the bottom of centrifugal tank (3) with support cone plate (2) rotate to be connected, a plurality of heavy phase discharge holes (4) have been seted up on the outer wall of centrifugal tank (3) and be close to top position department, the top central point department fixed mounting of centrifugal tank (3) has light phase drainage tube (5), fixed mounting is located in urceolus (1) annular trough plate (6) of centrifugal tank (3) top is located, light phase drainage tube (5) keep away from one end of centrifugal tank (3) extends to in annular trough plate (6), just light phase drainage tube (5) run through the inner circle of annular trough plate (6) to with annular trough plate (6) outer wall just be close to top position department has offered a plurality of heavy phase discharge hole (4), centrifugal tank (3) top center position department fixed mounting has light phase drainage tube (7) to be located centrifugal tank (3) top (3) fixed connection inlet tube (7), the utility model discloses a light phase discharging pipe, including urceolus (1), filter box (14), connecting pipe (13) are kept away from on the outer wall of one side of urceolus (1), connecting pipe (12) extend to the below of supporting cone plate (2), and with connect box (11) rotation sealing connection, one side fixed mounting of urceolus (1) has filter box (14), be equipped with filter plate (16) in filter box (14), filter box (14) keep away from fixed mounting has injection pipe (15) on the outer wall of one side of urceolus (1), filter box (14) are close to fixed mounting has connecting pipe (13) on the outer wall of one side of urceolus (1), connecting pipe (13) keep away from one end of injection pipe (15) extends to in urceolus (1), and with connect box (11) fixed connection, fixed mounting has light phase discharging pipe (9) that are linked together with annular groove plate (6) on the outer wall of urceolus (1).
2. The etching liquid extraction centrifugal device according to claim 1, wherein a sleeve is fixedly arranged at the top of the supporting conical plate (2), a hollow rotating shaft is fixedly arranged at the bottom of the centrifugal tank (3), a bearing is fixedly sleeved on the hollow rotating shaft, an outer ring of the bearing is fixedly connected with the inner wall of the sleeve, and the feeding pipe (12) penetrates through the hollow rotating shaft and is movably connected with the inner wall of the hollow rotating shaft.
3. The etching liquid extraction centrifugal device according to claim 1, wherein a butt joint pipe is fixedly arranged at the top of the connection box (11), the bottom end of the feeding pipe (12) extends into the butt joint pipe, two sealing rings are fixedly arranged on the inner wall of the butt joint pipe, and the feeding pipe (12) penetrates through the two sealing rings and is in rotary sealing connection with the inner rings of the two sealing rings.
4. The etching liquid extraction centrifuge as defined in claim 1, wherein the filter plate (16) is made of PTFE.
5. The etching liquid extraction centrifugal device according to claim 4, wherein a back-shaped groove is formed in the top of the filter box (14), a sealing gasket (19) is fixedly installed on the inner wall of the bottom of the back-shaped groove, a cover plate (17) is fixedly installed on the top of the filter box (14), a back-shaped convex rib is integrally formed in the bottom of the cover plate (17), and the bottom of the back-shaped convex rib extends into the back-shaped groove and is in contact with the sealing gasket (19).
6. The etching liquid extraction centrifugal device according to claim 5, wherein a groove (1401) is formed in the bottom of the filter box (14), two connecting rods are fixedly mounted at the bottom of the cover plate (17), and an impurity collecting box (18) which is positioned in the groove (1401) is fixedly mounted at the bottom ends of the two connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321840560.9U CN220547102U (en) | 2023-07-13 | 2023-07-13 | Etching liquid extraction centrifugal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321840560.9U CN220547102U (en) | 2023-07-13 | 2023-07-13 | Etching liquid extraction centrifugal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220547102U true CN220547102U (en) | 2024-03-01 |
Family
ID=90004592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321840560.9U Active CN220547102U (en) | 2023-07-13 | 2023-07-13 | Etching liquid extraction centrifugal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220547102U (en) |
-
2023
- 2023-07-13 CN CN202321840560.9U patent/CN220547102U/en active Active
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