CN219783927U - Feeding filter plate assembly, diaphragm filter plate assembly and filter press - Google Patents
Feeding filter plate assembly, diaphragm filter plate assembly and filter press Download PDFInfo
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- CN219783927U CN219783927U CN202321123901.0U CN202321123901U CN219783927U CN 219783927 U CN219783927 U CN 219783927U CN 202321123901 U CN202321123901 U CN 202321123901U CN 219783927 U CN219783927 U CN 219783927U
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- feeding
- filter
- filter plate
- frame
- diaphragm
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- 239000012528 membrane Substances 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 57
- 239000004744 fabric Substances 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 abstract description 17
- 239000007788 liquid Substances 0.000 abstract description 16
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract 1
- 239000012065 filter cake Substances 0.000 description 34
- 238000003825 pressing Methods 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 6
- 238000006297 dehydration reaction Methods 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a feeding filter plate assembly, a membrane filter plate assembly and a filter press, wherein the filter press comprises the membrane filter plate assembly, the membrane filter plate assembly comprises a membrane plate and a feeding filter plate assembly which are overlapped, the membrane plate comprises a membrane frame and a membrane positioned in the membrane frame, a first public feeding channel is arranged on the membrane frame, the feeding filter plate assembly comprises a feeding frame and a feeding filter plate positioned in the feeding frame, a second public feeding channel is arranged on the feeding frame, and an independent feeding channel is arranged in the feeding frame; a filter cavity is formed between the diaphragm and the feeding filter plate, the first common feeding channel is connected with the second common feeding channel, one end of the independent feeding channel is connected with the second common feeding channel, and the other end of the independent feeding channel is connected with the filter cavity. The utility model can effectively prevent the compressed air and the washing liquid from entering the public feeding channel to cause short circuit, and can improve the service life of the partition board and reduce the maintenance frequency.
Description
Technical Field
The utility model belongs to the field of filter pressing equipment, and particularly relates to a feeding filter plate assembly, a diaphragm filter plate assembly and a filter press.
Background
The diaphragm filter is a filter pressing device commonly used at present, the diaphragm filter plates are key components of the diaphragm filter, and the conventional plurality of diaphragm filter plates are commonly shared feed channels, so that after the filter pressing process is finished, if the process needs to carry out post-stage compressed air flow-through dehydration on the filter cake, or when washing liquid is used to penetrate the filter cake, the situation of mutual short circuit can occur when the washing liquid or the compressed air flows through due to the adoption of an in-plate shared feed channel structure, thereby reducing the effect of the washing liquid or the compressed air on the filter cake. In addition, the feed inlet is usually arranged at the center of the filter plate, and a through hole is formed in the center of the elastic diaphragm, so that the diaphragm can be easily torn in the through hole of the diaphragm during high-pressure squeezing according to the prior art such as CN 202376822U-diaphragm filter plates and CN 204208350U-diaphragm filter plates, the replacement frequency of the diaphragm is increased, and the maintenance cost is high.
Disclosure of Invention
The utility model aims to solve the technical problems by providing a feeding filter plate assembly, a diaphragm filter plate assembly and a filter press.
In order to solve the problems, the utility model adopts the following technical scheme:
the feeding filter plate assembly comprises a feeding frame and a feeding filter plate positioned in the feeding frame, wherein a second public feeding channel is arranged on the feeding frame, an independent feeding channel is arranged in the feeding frame, and the independent feeding channel is communicated with the second public feeding channel and the side face of the feeding filter plate.
The membrane filter plate assembly comprises a membrane plate and a feeding filter plate assembly which are overlapped, wherein the membrane plate comprises a membrane frame and a membrane positioned in the membrane frame, a first public feeding channel is arranged on the membrane frame,
the feeding filter plate assembly comprises a feeding frame and a feeding filter plate positioned in the feeding frame, wherein a second public feeding channel is arranged on the feeding frame, and an independent feeding channel is arranged in the feeding frame;
a filter cavity is formed between the diaphragm and the feeding filter plate, the first common feeding channel is connected with the second common feeding channel, one end of the independent feeding channel is connected with the second common feeding channel, and the other end of the independent feeding channel is connected with the filter cavity.
Further, a first filter material and a first filter material supporting boss are arranged on the side face of the diaphragm, and the first filter material is supported by the first filter material supporting boss; the side surface of the feeding filter plate is provided with a second filter material supporting boss and a second filter material, and the second filter material is supported by the second filter material supporting boss; a filter cavity is formed between the first filter material and the second filter material.
Further, embedded filter cloth mounting grooves are formed in the side surfaces of the diaphragm frame and the feeding frame; the edge of the first filter material is positioned in the embedded filter cloth mounting groove of the diaphragm frame, the edge of the second filter material is positioned in the embedded filter cloth mounting groove of the feeding frame, and the first filter material and the second filter material are pressed and fixed by the filter cloth sealing strip.
Further, the edge of the feeding filter plate is provided with a feeding hole penetrating through the feeding filter plate along the thickness direction, and the independent feeding channel is connected with the feeding hole.
Further, the first common feed passage and the second common feed passage are two.
Further, the first common feed channel and the second common feed channel are respectively arranged at the tops of the diaphragm frame and the feed frame.
Further, sealing rings are arranged at the edges of the two side surfaces of the feeding filter plate assembly.
A filter press comprising a plurality of the above-described feed filter plate assemblies or the above-described membrane filter plate assemblies.
Further, the membrane filter plate assemblies are a plurality of, and the membrane plates and the feed filter plate assemblies are alternately arranged.
The beneficial effects of the utility model are as follows: the utility model adopts the second common feed channel to feed each feed filter plate assembly, but adopts the independent feed channel to feed each feed filter plate assembly, and the common feed channel in the plate is eliminated, so that when the filter cake is subjected to later compressed air flow through dehydration or the filter cake is penetrated by using washing liquid, the compressed air and the washing liquid penetrate towards the adjacent filter plate, the middle part of the filter cake is discharged from the channel on the adjacent filter plate after passing through the filter cake, and the channel is unique, thereby preventing the short circuit.
The diaphragm filter plate assemblies adopt the first common feed channel and the second common feed channel to feed each diaphragm filter plate assembly, but adopt independent feed channels to feed each diaphragm filter plate assembly, and the common feed channels in the plates are eliminated, so that when the filter cake is subjected to later compressed air flow-through dehydration or the filter cake is penetrated by using washing liquid, the compressed air and the washing liquid penetrate towards the adjacent filter plate, the middle part of the filter cake is discharged from the channels on the adjacent plates after passing through the filter cake, and the channels are unique, thereby preventing the short circuit. In addition, the diaphragm is not provided with a feed inlet, is integral and high in strength, and is not easy to tear when air (or water, oil or other media) is filled into the diaphragm to enable the diaphragm to squeeze a filter cake at high pressure, so that the service life of the diaphragm is prolonged, and the overhaul frequency is reduced.
Drawings
FIG. 1 is a schematic front view of a filter plate assembly;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is a schematic front view of a membrane filter plate assembly;
FIG. 4 is a schematic side view of a membrane filter plate assembly;
FIG. 5 is a schematic diagram of a filter press;
reference numerals: 1-a diaphragm plate; 11-a diaphragm frame; 12-a separator; 13-a first filter medium; 14-a first filter support boss; 15-a first common feed channel; 16-an embedded filter cloth mounting groove; 17-a second off-board common multifunctional left access way; 18-a second off-board common multifunctional right access way; 2-a feed filter plate assembly; 21-a second common feed channel; 22-a second filter support boss; 23-a second filter material; 24-feeding frame; 25-feeding filter plates; 26-independent feed channels; 27-a filter cloth sealing strip; 28-a feed hole; 29-a sealing ring; 210-filter cake; 211-a first off-board common multifunctional left access way; 212-first off-board common multi-functional right access way.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The feed filter plate assembly of the present utility model, as shown in fig. 1 and 2, comprises a feed frame 24 and a feed filter plate 25 positioned inside the feed frame 24, wherein a second common feed channel 21 is provided on the feed frame 24, and an independent feed channel 26 is provided inside the feed frame 24, and the independent feed channel 26 communicates with the second common feed channel 21 and the side surface of the feed filter plate 25.
The feeding frame 24 and the feeding filter plate 25 can be integrally formed, and the thickness of the feeding filter plate 25 is smaller than that of the feeding frame 24, so that two side surfaces of the feeding filter plate assembly are recessed inwards at the feeding filter plate 25 to form a groove with a certain depth.
The feed filter plate assemblies of the present utility model are mounted in an overlapping relationship on a filter press, and a filter-pressing chamber is formed between the feed filter plates 25 of two adjacent feed filter plate assemblies, and the second common feed channels 21 are connected to each other. The material to be filtered reaches each feed filter plate assembly through the second common feed channel 21 and then flows into the press cavity through the separate feed channel 26. The utility model adopts the independent feeding channel 26 to feed each feeding filter plate assembly separately, and the common feeding channel in the plate is omitted, so that when the filter cake is subjected to later compressed air flow through dehydration or the washing liquid is used for penetrating the filter cake, the compressed air and the washing liquid penetrate towards the direction of the adjacent filter plates, the middle part of the filter cake is required to pass through the filter cake and then is discharged from the channel on the adjacent plate, and the channel is unique, thereby preventing the short circuit.
The membrane filter plate assembly of the utility model comprises a membrane plate 1 and a feed filter plate assembly 2 which are arranged in an overlapping manner, as shown in fig. 3 and 4, wherein the membrane plate 1 comprises a membrane frame 11 and a membrane 12 positioned in the membrane frame 11, and a first common feed channel 15 is arranged on the membrane frame 11.
As shown in fig. 1 and 2, the feed filter plate assembly 2 includes a feed frame 24 and a feed filter plate 25 positioned within the feed frame 24, with a second common feed channel 21 provided on the feed frame 24, and a separate feed channel 26 provided within the feed frame 24.
A filter chamber is formed between the diaphragm 12 and the feed filter plate 25, the first common feed passage 15 is connected to the second common feed passage 21, and one end of the independent feed passage 26 is connected to the second common feed passage 21, and the other end is connected to the filter chamber.
The membrane frame 11 and the feed frame 24 are rectangular and have the same length and width so that the membrane plate 1 and the feed filter plate assembly 2 can overlap completely. The first common feed channel 15 and the second common feed channel 21 are used for the passage of material to be filtered, and the separate feed channels 26 are used for the passage of material into the filter chambers of the respective membrane filter plate assemblies. After the membrane plate 1 and the feed filter plate assembly 2 are stacked, the first common feed passage 15 is aligned with the second common feed passage 21 so that the two communicate.
The membrane frame 11 has an inner bore, both ports of which are covered with the membranes 12, and the feed filter plates 25 of the feed filter plate assemblies 2 are also arranged in pairs, and a plurality of membrane filter plate assemblies overlap to form a plurality of filter chambers.
In operation, material flows through the first common feed channel 15 and the second common feed channel 21 to each membrane filter plate assembly, a portion of the material then flows through the separate feed channels 26 within the feed frame 24 to the filter chamber for filter pressing, and the remaining material flows through the first common feed channel 15 to the next membrane filter plate assembly.
Other channels, such as filtrate discharge channels, air-blown washing channels, etc., are known in the art, for example, see patent CN202020608410, a filter assembly for a filter press, and a filter press. The left lower corner of the feeding frame 24 is provided with a first external multifunctional left inlet and outlet channel 211, and the right lower corner is provided with a first external multifunctional right inlet and outlet channel 212; the lower left corner of the diaphragm frame 11 is provided with a second external multifunctional left access duct 17, the lower right corner is provided with a second external multifunctional right access duct 18, the first external multifunctional left access duct 211 is communicated with the second external multifunctional left access duct 17, and the first external multifunctional right access duct 212 is communicated with the second external multifunctional right access duct 18. The first external multifunctional left inlet and outlet channel 211, the first external multifunctional right inlet and outlet channel 212, the second external multifunctional left inlet and outlet channel 17 and the second external multifunctional right inlet and outlet channel 18 can be used as a circulation channel for working media such as wind blowing washing and the like. Because the utility model structurally eliminates the common feeding channel in the plate, when the filter cake is subjected to later stage compressed air flow-through dehydration or the filter cake is penetrated by the washing liquid, the compressed air and the washing liquid are separated by the non-feeding diaphragm plates, so that the phenomenon of mutual 'collision' short circuit between the flowing air and the washing liquid can not occur any more, and all liquid or gas entering and exiting through the inlet and outlet channel below the filter cake can be discharged from the inlet and outlet of the adjacent filter cake after penetrating through the filter cake, and the filter cake is the only channel.
The first common feed channel 15 and the second common feed channel 21 are not directly communicated with the filter cavity, but an independent feed channel 26 is arranged in the feed frame 24, and the independent feed channel 26 is used for communicating the second common feed channel 21 and the filter cavity, so that when the filter cake is subjected to later compressed air flow-through dehydration or the filter cake is penetrated by using washing liquid, the compressed air and the washing liquid penetrate towards the direction of the adjacent filter plate, and the middle part of the filter cake is discharged from the channels on the adjacent plate after passing through the filter cake, and the channels are unique, thereby preventing the short circuit condition. In addition, the diaphragm 12 is not provided with a feed inlet, the diaphragm 12 is a whole, the strength is high, and when the diaphragm 12 is filled with air to enable the diaphragm 12 to squeeze a filter cake at high pressure, the diaphragm 12 is not easy to tear, the service life of the diaphragm 12 is prolonged, and the overhaul frequency is reduced. The filter press having the membrane 12 of the present utility model is at significantly lower risk of potential damage than existing conventional chamber membrane filter presses under comparable materials, strength and pressure conditions.
In order to facilitate the separate discharge of filtrate and filter cake, the side of the membrane 12 is provided with a first filter material 13 and a first filter material support boss 14, the first filter material 13 being supported by the first filter material support boss 13; the side surface of the feed filter plate 25 is provided with a second filter material supporting boss 22 and a second filter material 23, and the second filter material 23 is supported by the second filter material supporting boss 22; a filter chamber is formed between the first filter medium 13 and the second filter medium 23. The first filter medium 13 and the second filter medium 23 may be any conventional filter cloth, filter mesh, or the like, and the first filter medium support boss 14 and the second filter medium support boss 22 may be cylindrical bosses or bosses of various shapes such as rectangular bosses. The first filter support boss 14 and the second filter support boss 22 serve to support the first filter 13 and the second filter 23, respectively, such that the first filter 13 to the membrane 12 has an appropriate spacing for filtrate discharge, while the second filter 23 and the feed filter plate 25 have an appropriate spacing for filtrate discharge.
The sides of the diaphragm frame 11 and the feeding frame 24 are provided with embedded filter cloth mounting grooves 16; the edge of the first filter material 13 is located in the embedded filter cloth mounting groove 16 of the diaphragm frame 11, the edge of the second filter material 23 is located in the embedded filter cloth mounting groove 16 of the feeding frame 24, and the first filter material 13 and the second filter material 23 are pressed and fixed by the filter cloth sealing strip 27. The embedded filter cloth mounting groove 16 and the filter cloth sealing strip 27 are in a rectangular shape, after the diaphragm frame 11 and the feeding frame 24 are overlapped and mounted, two sides of the filter cloth sealing strip 27 are respectively embedded into the embedded filter cloth mounting groove 16 on the side surfaces of the diaphragm frame 11 and the feeding frame 24, and filter materials are pressed and fixed in the embedded filter cloth mounting groove 16, so that the tightness can be improved, and water and air leakage can be prevented.
In addition, the edges of both sides of the feed filter plate assembly 2 are provided with sealing rings 29. The sealing ring 29 is arranged around the filter cloth sealing strip 27 and is also embedded into the groove on the side surface of the feeding frame 24, so that the tightness between the feeding filter plate assembly 2 and the diaphragm plate 1 can be improved, and the leakage of air and water of the filter cavity can be prevented.
The edge of the feed filter plate 25 is provided with feed holes 28 penetrating the feed filter plate 25 in the thickness direction, and the individual feed channels 26 are connected to the feed holes 28. As the material flows through the second common feed channel 21, a portion of the material may enter the feed aperture 28 through the separate feed channel 26 and then flow into the filter chamber through the feed aperture 28.
The first common feed passage 15 and the second common feed passage 21 are two, and the first common feed passage 15 and the second common feed passage 21 are provided at the top of the diaphragm frame 11 and the feed frame 24, respectively. Two first common feed channels 15 and two second common feed channels 21 are provided, each second common feed channel 21 is connected with an independent feed channel 26, and when one of the independent feed channels 26 is blocked, the other independent feed channel 26 can continue to work, so that the blocking risk is reduced, and the capability of continuous filter pressing is improved. The first common feed channel 15 and the second common feed channel 21 are arranged at the top of the membrane frame 11 and the feed frame 24, and the material can enter the filter cavity under the action of dead weight. Specifically, two first common feed passages 15 are provided at the upper left and upper right of the diaphragm frame 11, and two second common feed passages 21 are provided at the upper left and upper right of the feed frame 24.
Most of the existing van-type diaphragm filter presses adopt TPE elastomer materials as production raw materials of the diaphragm 12, and then are fused with the diaphragm frame 11 into a whole after being thermally sealed, the rebound resilience and the ductility of the diaphragm 12 produced by the materials are not as high as those of the diaphragm 12 made of rubber materials, and the diaphragm 12 cannot be replaced only after being damaged, so that the diaphragm 12 must be replaced integrally, and a certain degree of resource waste is caused. The diaphragm 12 is made of rubber, and the rubber is superior to the TPE elastomer in the comprehensive performance of rebound resilience compared with the conventional TPE elastomer, so that the service life of the diaphragm 12 is obviously longer than that of a chamber diaphragm filter press made of the conventional TPE, and the performance of the diaphragm is also superior to that of the conventional TPE, and the diaphragm is mainly characterized in that the uniformity of pressing a filter cake is not limited by the material or the structure, so that the condition that the filter cake is larger in water content deviation of the same filter cake caused by uneven pressing force when the diaphragm 12 is pressed is caused. In addition, due to the advantages of the ductility and rebound resilience of the rubber, the diaphragm pressing can be performed under the condition of insufficient feeding, the diaphragm is not damaged due to the limitation of the ductility and the rebound resilience, and in the practical use, the diaphragm pressing can be performed under the condition that whether the filter chamber is filled with a filter cake or not cannot be judged in some occasions. This is not possible with conventional membrane presses for long periods of high frequency.
The filter press of the present utility model, as shown in fig. 5, comprises a plurality of the above-mentioned membrane filter plate assemblies, wherein the plurality of membrane filter plate assemblies are overlapped, the membrane plates 1 and the feed filter plate assemblies 2 are alternately arranged, and a filter cavity can be formed between two adjacent membrane filter plate assemblies. After filter pressing, the material forms a filter cake 210.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The feeding filter plate assembly is characterized in that: including feeding frame (24) and be located inside feeding filter plate (25) of feeding frame (24), be provided with public feeding channel (21) of second on feeding frame (24), the inside independent feeding channel (26) that is provided with of feeding frame (24), the side of public feeding channel (21) of second and feeding filter plate (25) are linked together to independent feeding channel (26).
2. The diaphragm filter plate subassembly, its characterized in that: comprises a diaphragm plate (1) and a feed filter plate assembly (2) which are overlapped, wherein the diaphragm plate (1) comprises a diaphragm frame (11) and a diaphragm (12) positioned in the diaphragm frame (11), a first common feed channel (15) is arranged on the diaphragm frame (11),
the feeding filter plate assembly (2) comprises a feeding frame (24) and a feeding filter plate (25) positioned in the feeding frame (24), a second common feeding channel (21) is arranged on the feeding frame (24), and an independent feeding channel (26) is arranged in the feeding frame (24);
a filter cavity is formed between the diaphragm (12) and the feeding filter plate (25), the first common feeding channel (15) is connected with the second common feeding channel (21), one end of the independent feeding channel (26) is connected with the second common feeding channel (21), and the other end of the independent feeding channel is connected with the filter cavity.
3. The membrane filter plate assembly of claim 2, wherein: a first filter material (13) and a first filter material supporting boss (14) are arranged on the side face of the diaphragm (12), and the first filter material (13) is supported by the first filter material supporting boss (14); a second filter material supporting boss (22) and a second filter material (23) are arranged on the side surface of the feeding filter plate (25), and the second filter material (23) is supported by the second filter material supporting boss (22); a filter cavity is formed between the first filter material (13) and the second filter material (23).
4. The membrane filter plate assembly of claim 3, wherein: the side surfaces of the diaphragm frame (11) and the feeding frame (24) are provided with embedded filter cloth mounting grooves (16); the edge of the first filter material (13) is located in an embedded filter cloth installation groove (16) of the diaphragm frame (11), the edge of the second filter material (23) is located in an embedded filter cloth installation groove (16) of the feeding frame (24), and the first filter material (13) and the second filter material (23) are pressed and fixed by a filter cloth sealing strip (27).
5. The membrane filter plate assembly of claim 2, 3 or 4, wherein: the edge of the feeding filter plate (25) is provided with a feeding hole (28) penetrating the feeding filter plate (25) along the thickness direction, and the independent feeding channel (26) is connected with the feeding hole (28).
6. The membrane filter plate assembly of claim 2, wherein: the number of the first common feed channel (15) and the number of the second common feed channel (21) are two.
7. The membrane filter plate assembly of claim 2, wherein: the first common feed channel (15) and the second common feed channel (21) are respectively arranged at the tops of the diaphragm frame (11) and the feed frame (24).
8. The membrane filter plate assembly of claim 2, wherein: sealing rings (29) are arranged at the edges of the two side surfaces of the feeding filter plate assembly (2).
9. The filter press is characterized in that: a feed filter plate assembly comprising a plurality of the feed filter plate assemblies of claim 1 or the membrane filter plate assembly of any one of claims 2 to 8.
10. A filter press as claimed in claim 9, wherein: the number of the diaphragm filter plate assemblies is multiple, and the diaphragm plates (1) and the feeding filter plate assemblies (2) are alternately arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123901.0U CN219783927U (en) | 2023-05-11 | 2023-05-11 | Feeding filter plate assembly, diaphragm filter plate assembly and filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321123901.0U CN219783927U (en) | 2023-05-11 | 2023-05-11 | Feeding filter plate assembly, diaphragm filter plate assembly and filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219783927U true CN219783927U (en) | 2023-10-03 |
Family
ID=88180664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321123901.0U Active CN219783927U (en) | 2023-05-11 | 2023-05-11 | Feeding filter plate assembly, diaphragm filter plate assembly and filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219783927U (en) |
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2023
- 2023-05-11 CN CN202321123901.0U patent/CN219783927U/en active Active
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