CN115430184B - Drainage pressing plate of filter press - Google Patents
Drainage pressing plate of filter press Download PDFInfo
- Publication number
- CN115430184B CN115430184B CN202211214246.XA CN202211214246A CN115430184B CN 115430184 B CN115430184 B CN 115430184B CN 202211214246 A CN202211214246 A CN 202211214246A CN 115430184 B CN115430184 B CN 115430184B
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- Prior art keywords
- layer
- cleaning
- drainage
- self
- filter press
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- 238000003825 pressing Methods 0.000 title claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 148
- 239000007769 metal material Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 20
- 239000004744 fabric Substances 0.000 abstract description 16
- 239000010802 sludge Substances 0.000 abstract description 15
- 239000012535 impurity Substances 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 14
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 5
- 210000002268 wool Anatomy 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/30—Feeding devices ; Discharge devices
- B01D25/305—Feeding devices ; Discharge devices for discharging filtrate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
- Filtration Of Liquid (AREA)
Abstract
The drainage pressing plate of the filter press comprises multiple layers which are in compound connection, and the drainage pressing plate is sequentially formed from top to bottom: the self-cleaning plate comprises a plate net layer, a self-cleaning layer, a fixing layer and a drainage layer, wherein the plate net layer is provided with a plurality of openings; the surface of the self-cleaning layer, which is close to the expanded metal layer, is provided with a concave cleaning groove, and the surface of the self-cleaning layer, which is close to the expanded metal layer, is also provided with a cleaning pipe, and the cleaning pipe is used for cleaning the cleaning groove; the fixed layer is made of metal material and can be connected with a lifting mechanism of the filter press; the surface of the drainage layer, which is away from the fixed layer, is non-planar, and one side of the drainage layer, which is away from the fixed layer, is made of non-rigid materials and can deform. Through the structure, the self-cleaning of the upper surface after the filter pressing can be realized, meanwhile, the lower surface of the pressing plate can bond impurities such as sludge through deformation, and the structure is different from the existing structure, the cleaning process of the pressing plate is not required independently, and the upper layer of the filter cloth can be effectively cleaned.
Description
Technical Field
The invention relates to the technical field of filter press equipment, in particular to a drainage pressing plate of a filter press.
Background
The filter press can be through adjusting the interval of multilayer clamp plate, and then realize the filter-pressing to filter cloth or other article, and, current clamp plate is when using, upper and lower two surfaces are the contact surface, can select to adopt rigid material to make generally, and for the plane of unable deformation, and then can cooperate and realize the filter-pressing, and in this process, the upper surface of clamp plate usually needs to set up trompil and cavity for hold the mud or the impurity of filter cloth or other article, afterwards, need clear up it, ensure when using next time, can normally accomplish the filter-pressing process, and in-process, as the clamp plate lower plane of upper lamination face, unable processing is located filter cloth or other article upper strata mud or impurity, can only be used for pressing out moisture.
Disclosure of Invention
The invention provides a drainage pressing plate of a filter press, which aims to solve the problems that the pressing plate needs to be cleaned after being used and the surface of the lower layer cannot clean the upper layer of filter cloth.
The technical scheme of the invention is as follows:
the drainage pressing plate of the filter press comprises multiple layers which are in compound connection, and the drainage pressing plate is sequentially formed from top to bottom:
the board net layer is provided with a plurality of openings;
the self-cleaning layer is provided with concave cleaning grooves close to the surface of the expanded metal layer, the cleaning grooves are provided with a plurality of cleaning pipes, one side of the self-cleaning layer close to the expanded metal layer is also provided with a plurality of cleaning openings which are arranged opposite to the cleaning grooves, the direction of each cleaning opening is the same as the length direction of each cleaning groove, one end, far away from each cleaning opening, of the self-cleaning layer is provided with a collecting groove, the bottom surface of each cleaning groove is provided with an inclination, and the inclination gradually decreases from one end close to each cleaning opening to one end close to the collecting groove;
the fixed layer is made of metal material and can be connected with the lifting mechanism of the filter press;
the drainage layer, the drainage layer includes rigid layer and flexible layer, rigid layer is connected with the fixed layer, flexible layer sets up in the rigid layer one side of keeping away from the fixed layer, just the surface of flexible layer is the non-plane.
The self-cleaning layer can hold the mud in the filter cloth to clear up through follow-up clean mouthful water spray, need not wash it alone after the use, simultaneously, drainage layer possesses deformability, can effectively collect impurity such as mud.
Preferably, the cleaning pipes are arranged along the length direction of the self-cleaning layer, and all the cleaning grooves are perpendicular to the cleaning pipes. All the cleaning tanks can be cleaned by a single cleaning pipe, and the problems of opening orientation and the like are not considered.
The concrete water inlet mode of above-mentioned clean pipe is, clean pipe is connected with the water injection pipe, the water injection pipe is perpendicular to clean pipe and arranges, and both ends are epitaxial self-cleaning layer, the water injection pipe sets up at least one water inlet at the epitaxial section, collect the groove and set up a plurality of drain on the surface of keeping away from clean pipe. The structure that needs to connect outside pipeline such as water injection pipe and drain sets up in the homonymy, avoids influencing the placing of filter cloth.
Preferably, the cleaning pipe is arranged at the middle position of the cleaning groove, the cleaning capability of the cleaning openings at two sides of the cleaning pipe is balanced, when the cleaning pipe is arranged at any one end, the tail end impact force is insufficient, and the cleaning openings can be directly connected with the high-pressure spray head for cleaning the cleaning groove.
The concrete structure for realizing connection of the fixing layer and the drainage layer is that a plurality of fixing pieces are arranged on the lower plane of the fixing layer, the plane of the lower surface of the fixing piece is higher than that of the lower surface of the rigid layer, grooves which are oppositely arranged with the fixing pieces are formed in the rigid layer, and the rigid layer can be pulled out relative to the fixing pieces.
Preferably, the drainage layer comprises equally divided sections, and a single section of drainage layer is fixed by at least two fixing pieces. A certain section of the drainage layer can be replaced individually.
In order to avoid the situation of extrusion deformation, gaps are arranged between the rigid layers of the two adjacent sections of drainage layers, and the flexible layers of the two adjacent sections of drainage layers are overlapped. The rigid layers with gaps can be deformed by mutual extrusion, and the corresponding flexible layers are required to be overlapped so as to avoid the phenomenon of influencing the rigid layers.
Preferably, the flexible layer is a non-metal water-absorbing layer, and the non-metal water-absorbing layer may be wool felt or sponge, etc.
To avoid clogging of the cleaning tank, the width dimension of the cleaning tank is larger than the aperture dimension of the expanded layer openings.
Preferably, the expanded metal layer opening is disposed directly above the cleaning tank.
The invention has the beneficial effects that: the invention relates to a drainage pressing plate of a filter press, wherein an opening is formed in the upper layer of the pressing plate for contacting filter cloth or other filtering pieces, impurities such as sludge can enter a self-cleaning layer through an opening machine, the self-cleaning layer comprises a plurality of cleaning grooves, the self-cleaning layer also comprises cleaning pipes perpendicular to the cleaning grooves, the cleaning pipes can flush and collect the sludge or the impurities in the cleaning grooves and finally discharge the self-cleaning layer, an independent cleaning process of the pressing plate is not needed, and meanwhile, the lower surface of the pressing plate is a drainage layer, has deformation capability, is of a non-planar structure, can be used for better drainage, and can bond and remove the sludge, the impurities and the like.
Drawings
The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
FIG. 1 is a schematic side view cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention (hidden layer of expanded metal);
FIG. 4 is a schematic view of the structure of the X section of the present invention;
FIG. 5 is an enlarged partial view of part A of the present invention;
the components represented by the reference numerals in the figures are:
1. a fixed layer; 2. a drainage layer; 21. a connecting plate; 22. a nonmetallic water-absorbing layer; 23. a fixing member; 3. a self-cleaning layer; 31. a cleaning tank; 32. a collection trough; 33. a sewage outlet; 4. a layer of expanded metal; 5. cleaning the tube; 51. cleaning the mouth; 6. a water injection pipe; 7. and a connecting piece.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art, and the disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein.
Examples
The drainage pressing plate of the filter press shown in fig. 1-5 comprises multiple layers which are in composite connection, and the layers are sequentially arranged from top to bottom:
the plate mesh layer 4 is provided with a plurality of openings, the plate mesh layer 4 is used as a downward pressing layer to contact the lower surface of the filter cloth in the filter pressing process, and impurities such as sludge on the filter cloth can fall into the next layer from the openings of the plate mesh layer 4 in the filter pressing process;
the self-cleaning layer 3, the surface of the self-cleaning layer 3 near the expanded metal layer 4 is provided with a concave cleaning groove 31, the sludge or impurities of the filter cloth fall into the cleaning groove 31 from the openings of the expanded metal layer 4, and the cleaning grooves 31 are provided in plurality, in the process, in order to avoid the condition that the cleaning groove 31 is blocked, the width dimension of the cleaning groove 31 is larger than the aperture dimension of the openings of the expanded metal layer 4, so that the sludge or impurities can be normally washed and sprayed away after falling into the cleaning groove 31, at the moment, the openings of the expanded metal layer 4 are arranged right above the cleaning groove 31, and as shown in fig. 1, if the openings of the expanded metal layer 4 are larger, the openings of the expanded metal layer 4 can be arranged in a staggered manner with the cleaning groove 31, and the aim of avoiding the blocking of the cleaning groove 31 is achieved;
further, as shown in fig. 3, the surface of the self-cleaning layer 3, which is close to the expanded metal layer 4, is further provided with a cleaning tube 5, the cleaning tube 5 is provided with a plurality of cleaning openings 51 which are arranged opposite to the cleaning groove 31, the direction of the cleaning openings 51 is the same as the length direction of the cleaning groove 31, the cleaning groove 31 can be flushed and cleaned after water is injected, and the cleaning openings 51 can be provided with components such as a high-pressure nozzle and the like for assisting in completing the flushing process, and the cleaning openings 51 can also be provided as oval waist-shaped holes as long as the cleaning groove 31 can be covered.
Finally, the sludge is required to be extracted after being washed by water flow, so that the collecting tank 32 is arranged at one end of the self-cleaning layer 3, far away from the cleaning opening 51, of the cleaning opening 51, the collecting tank 32 can collect the sludge washed in the cleaning tank 31, and after the sewage outlet 33 is arranged, the sludge and the like can be extracted from the self-cleaning layer 3, so that the self-cleaning process is completed, in the process, the bottom surface of the cleaning tank 31 has inclination, and the inclination gradually decreases from one end, close to the cleaning opening 51, to one end, close to the collecting tank 32, so that the cleaning tank 31 can be effectively improved, the cleaning effect of the tail end is improved, and the phenomenon that the sludge is accumulated and cannot move is difficult to occur;
in the above process, in order to obtain the best self-cleaning function, the design is also required to be:
as shown in fig. 3, the cleaning pipes 5 are arranged along the length direction of the self-cleaning layer 3, and all the cleaning grooves 31 are arranged perpendicular to the cleaning pipes 5. Since the water flow impact force decreases with distance, the shorter the length of the cleaning tank 31 is, but since the amount of sludge is not controllable, the best way is to arrange the cleaning pipes 5 in the length direction on the rectangular-designed pressing plate, correspondingly, the cleaning pipes 5 need to be arranged in the width direction, and since the water flow impact force at the cleaning pipes 5 is substantially the same, the cleaning tanks 31 are not necessarily set to different lengths;
also, in the above-described process, the cleaning pipes 5 are provided in a single piece, and all the cleaning tanks 31 can be cleaned by a single cleaning pipe 5.
Further, the specific water inlet mode of the cleaning pipe 5 is that the cleaning pipe 5 is connected with a water injection pipe 6, the water injection pipe 6 is arranged perpendicular to the cleaning pipe 5, the self-cleaning layer 3 extends out of two ends of the water injection pipe, the external water pipe can be connected, the water injection pipe 6 is provided with at least one water inlet in an extending section, the water inlet pressure needs to be ensured because the cleaning tank 31 needs larger impact force, the water inlet pressure needs to be ensured, the best mode is that the number of water inlet pipes is increased except for increasing the pipe diameter, the number of water inlet pipes is the best choice because the height of the self-cleaning layer 3 is limited, and the collecting tank 32 is provided with a plurality of drain outlets 33 on the surface far away from the cleaning pipe 5. The structures such as the water injection pipe 6 and the sewage outlet 33 which are required to be connected with external pipelines are arranged on the same side, so that the placement of filter cloth is prevented from being influenced. In the normal filter pressing process, the external water suction pipe and the water inlet pipe can still work normally and are not affected.
As shown in fig. 3, preferably, the cleaning tube 5 is disposed in the middle of the cleaning slot 31, so as to balance the cleaning capability of the cleaning ports 51 on both sides of the cleaning tube 5, and when the cleaning tube 5 is disposed at any one end, the end impact force is easily insufficient, so that the cleaning tube 5 is disposed in the middle of the device, and the same impact force of the impact water flows with the openings at both ends can be ensured, and then the impact force of the impact water conservancy can be adjusted according to the requirement.
The fixed layer 1 is made of metal material, and can be connected with a filter press lifting mechanism; the fixed layer 1 is generally made of metal materials, has higher strength, can meet the lifting driving requirement, and can not bend, and the self-cleaning layer 3 is generally made of high polymer materials, so that the strength is general, and the longer specification leads to easy breakage, therefore, the strength of the fixed layer 1 needs to be ensured so as to improve the overall strength of the pressing plate.
The drainage layer 2, drainage layer 2 includes rigid layer and flexible layer, rigid layer is connected with the fixed layer, the flexible layer sets up in the rigid layer one side of keeping away from the fixed layer, just the surface on flexible layer is the non-plane, possesses deformability.
And further, drainage layer 2 can dismantle with fixed layer 1 and be connected, just drainage layer 2 keeps away from the surface of fixed layer 1 and is nonmetal water absorption layer 22, nonmetal water absorption layer 22 is wool felt or sponge etc.. As shown in fig. 4, since the structure such as the wool felt is relatively complex and difficult to draw, the surface is filled in layers, which does not represent an actual plane, and the wool felt structure actually adopted is a non-planar structure, and has the roughness, and in the press filtration process, the roughness plane can bond impurities such as sludge to the non-metal water-absorbing layer 22, so as to achieve the aim of cleaning.
As shown in fig. 4 and 5, on the basis of the above structure, the drainage layer 2 further includes a plurality of fixing members 23 arranged in a row, and the fixing members 23 are connected with the fixing layer 1 and detachable, and the upper space between adjacent fixing members 23 is larger than the lower space between adjacent fixing members 23. Further, a groove is formed between two adjacent fixing pieces 23, after that, the drainage layer 2 is further provided with a connecting plate 21, the upper surface of the connecting plate 21 is tightly attached to the fixing layer 1, the plane of the lower surface of the connecting plate 21 is lower than that of the lower surface of the fixing piece 23, the connecting plate 21 is provided with a groove which is oppositely arranged with the fixing piece 23, the connecting plate 21 can be inserted between the two fixing pieces 23, and then the connecting plate 21 is fixed relative to the inserting of the fixing pieces 23 without falling, in addition, in the process, the drawing direction of the connecting plate 21 is the length direction of the pressing plate, namely the placement direction of the filter cloth, so that the connecting plate 21 is prevented from sliding out in the working process.
Finally, the drainage layer 2 preferably comprises equally divided sections, and a single drainage layer 2 is at least fixed by two fixing elements 23. A certain section of the drainage layer 2 can be replaced individually. Therefore, after a certain section of drainage layer 2 has a problem, the drainage layer can be replaced without replacing the whole drainage layer 2, and the same specification is more convenient in the manufacturing production, installation and disassembly processes.
In the process, gaps are arranged between the rigid layers of the two adjacent sections of drainage layers 2, and the flexible layers of the two adjacent sections of drainage layers 2 are overlapped. The rigid layers with gaps can be mutually extruded and deformed, and the corresponding flexible layers are required to be overlapped, so that impurities such as sludge are prevented from entering the gaps of the rigid layers, when the structures such as the sludge enter the gaps, the reserved gaps of the device are directly invalid, the mutual extrusion force is directly generated between the rigid layers, the rigid layers are deformed, the rigid layers are difficult to detach relative to the fixing piece 23 after the deformation, and the device is greatly influenced.
In this process, the lowest plane of the rigid layer is lower than the lowest plane of the fixing member 23, that is, the fixing member 23 does not penetrate through the rigid layer, so that the phenomenon that the fixing member 23 directly contacts with the filter cloth is avoided, and a gap must exist between the fixing member 23 and the rigid layer, so that the fixing member has a certain deformation capability and does not influence normal detachment.
The fixing members 23 include two types, one of which is inverted T-shaped and the other of which is L-shaped, and the L-shaped fixing members 23 are disposed on both sides of the fixing layer 1, and the inverted T-shaped fixing members are uniformly disposed on the lower surface of the fixing layer 1.
Through the structure, the method can be realized: the self-cleaning layer 3 can hold the mud in the filter cloth to clear up through follow-up clean mouthful 51 water spray, need not wash it alone after the use, simultaneously, drainage layer 2 possesses deformability, can effectively collect impurity such as mud, the handling of filter cloth upper strata impurity of being convenient for.
Claims (7)
1. The utility model provides a pressure filter drainage clamp plate which characterized in that includes composite connection's multilayer, and top-down is in proper order:
the plate net layer (4), the plate net layer (4) is provided with a plurality of open pores;
the self-cleaning layer (3), the surface that self-cleaning layer (3) is close to lamina (4) is provided with concave cleaning groove (31), cleaning groove (31) set up a plurality ofly, the one side that self-cleaning layer (3) is close to lamina (4) still is provided with cleaning tube (5), cleaning tube (5) are provided with a plurality of cleaning mouths (51) that are arranged with cleaning groove (31) relatively, the orientation of cleaning mouths (51) with the length direction of cleaning groove (31) is the same, cleaning layer (3) are provided with at the one end that cleaning mouths (51) kept away from cleaning mouths (51) and collect groove (32), there is the inclination in the bottom surface of cleaning groove (31), and from being close to one end of cleaning mouths (51) to being close to the one end of collecting groove (32) and gradually reducing;
the fixed layer (1), the said fixed layer (1) is metal material, can connect the lifting mechanism of the filter press;
the drainage layer (2), the drainage layer (2) comprises a rigid layer and a flexible layer, the rigid layer is connected with the fixed layer (1), the flexible layer is arranged on one side of the rigid layer far away from the fixed layer (1), and the surface of the flexible layer is non-planar;
the lower plane of the fixing layer (1) is provided with a plurality of fixing pieces (23), the plane of the lower surface of the fixing piece (23) is higher than the plane of the lower surface of the rigid layer, the rigid layer is provided with grooves which are arranged opposite to the fixing pieces (23), and the rigid layer can be pulled out relative to the fixing pieces (23);
the drainage layer (2) comprises equally divided sections, and the single-section drainage layer (2) is at least fixed by two fixing pieces (23);
gaps are arranged between the rigid layers of the two adjacent sections of drainage layers (2), and the flexible layers of the two adjacent sections of drainage layers (2) are overlapped;
the drainage layer (2) is provided with a connecting plate (21), the upper surface of the connecting plate (21) is clung to the fixing layer (1), and the plane of the lower surface of the connecting plate (21) is lower than the plane of the lower surface of the fixing piece (23);
the drawing direction of the connecting plate (21) is the length direction of the pressing plate.
2. A filter press drainage platen according to claim 1, characterized in that the cleaning tubes (5) are arranged along the length of the self-cleaning layer (3), all cleaning channels (31) being arranged perpendicular to the cleaning tubes (5).
3. A filter press drainage platen according to claim 2, characterized in that the cleaning pipe (5) is connected with a water injection pipe (6), the water injection pipe (6) is arranged perpendicular to the cleaning pipe (5), the self-cleaning layer (3) is arranged outside the two ends of the water injection pipe (6), at least one water inlet is arranged on the epitaxial section of the water injection pipe, and the collecting tank (32) is provided with a plurality of drain outlets (33) on the surface far away from the cleaning pipe (5).
4. A filter press drainage platen according to claim 2, characterized in that the cleaning tube (5) is arranged in the middle of the cleaning tank (31).
5. A filter press drainage platen according to claim 1, wherein the flexible layer is a non-metallic water-absorbing layer (22).
6. A filter press drainage platen according to claim 1, characterized in that the cleaning slot (31) has a width dimension greater than the aperture dimension of the openings of the expanded sheet (4).
7. A filter press drainage platen according to claim 6, characterized in that the web layer (4) openings are provided above the cleaning tank (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211214246.XA CN115430184B (en) | 2022-09-30 | 2022-09-30 | Drainage pressing plate of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211214246.XA CN115430184B (en) | 2022-09-30 | 2022-09-30 | Drainage pressing plate of filter press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115430184A CN115430184A (en) | 2022-12-06 |
| CN115430184B true CN115430184B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211214246.XA Active CN115430184B (en) | 2022-09-30 | 2022-09-30 | Drainage pressing plate of filter press |
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| Country | Link |
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| CN (1) | CN115430184B (en) |
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