CN215691925U - Plate-and-frame filter press convenient for cleaning filter plates - Google Patents
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- CN215691925U CN215691925U CN202122226206.4U CN202122226206U CN215691925U CN 215691925 U CN215691925 U CN 215691925U CN 202122226206 U CN202122226206 U CN 202122226206U CN 215691925 U CN215691925 U CN 215691925U
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Abstract
The utility model discloses a plate-and-frame filter press convenient for cleaning filter plates, which belongs to the technical field of plate-and-frame filter presses and is characterized by comprising a support and a plurality of filter plates connected to the support in a sliding manner, wherein one side of the support is connected with a cleaning component, the cleaning component comprises a hard water pipe, the side wall of the hard water pipe is fixedly connected with a driving air cylinder used for driving the cleaning component to reciprocate between adjacent filter plates, one end, away from the cleaning component, of the driving air cylinder is connected with a transportation component used for transporting the cleaning component, the hard water pipe is communicated with a plurality of spray heads, one end, away from the hard water pipe, of the hard water pipe is communicated with a soft water pipe, one end, away from the hard water pipe, of the soft water pipe is communicated with a water pump, and one end, away from the soft water pipe, of the water pump is communicated with a water storage tank, so that the effect of improving the defects of time and power consumption of the filter plates of the plate-and frame filter press is achieved.
Description
Technical Field
The utility model relates to the field of plate and frame filter presses, in particular to a plate and frame filter press convenient for cleaning filter plates.
Background
The plate-and-frame filter press is a common solid-liquid separation device, and is widely applied to the fields of chemical industry, dye, petroleum, environmental protection and the like.
The traditional Chinese patent with reference to publication number CN204428917U discloses a plate-frame filter press, which comprises a support, a left cover plate and a right cover plate, wherein the left cover plate and the right cover plate are fixed on the support, a plurality of vertical filter plates are arranged between the left cover plate and the right cover plate, one side wall of the left cover plate is connected with a hydraulic device, a connecting rod is arranged between the hydraulic device and the left cover plate, two ends of the connecting rod are respectively connected with the left cover plate and the hydraulic device, the hydraulic device forms a control device for controlling the distance between the left cover plate and the right cover plate through the connecting rod, a feed hole is arranged in the center of each filter plate, filter cloth is sleeved on two sides of each filter plate, discharge holes are respectively arranged at four corners of each filter plate, inward grooves are respectively arranged on two sides of each filter plate, grooves are densely distributed on the surfaces of the grooves, and liquid outlets are respectively arranged on two sides of the lower part of each filter plate. When the filter plate is used, materials needing filter pressing are input from the feeding hole, the materials enter the grooves of the filter plates, after the materials are conveyed, the left cover plate is controlled by the hydraulic device to move towards the direction close to the right cover plate, the materials are extruded, liquid flows out from the liquid outlet, solids are remained between the adjacent filter plates, after solid-liquid separation is completed, the filter plates are opened, the solid materials in the filter plates are taken out, and after the filter plates are cleaned, the next solid-liquid separation can be carried out.
Aiming at the related technologies, the filter plate needs to be cleaned after being worked every time, and workers need to spend a large amount of time to separate and clean the filter plate, so that the inventor thinks that the defects of time and labor consumption of cleaning the filter plate of the plate-and-frame filter press exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of time and labor consumption in cleaning the filter plates of the plate-and-frame filter press, the utility model provides the plate-and-frame filter press convenient for cleaning the filter plates.
The plate-and-frame filter press convenient for cleaning the filter plate adopts the following technical scheme:
the utility model provides a sheet frame pressure filter convenient to filter plate is clear, includes support and a plurality of filter plate of sliding connection on the support, support one side is connected with the washing subassembly, and the washing subassembly includes the stereoplasm water pipe, and stereoplasm water pipe lateral wall fixedly connected with is used for driving the actuating cylinder that drives that washs subassembly reciprocating motion between adjacent filter plate, and the one end that drives actuating cylinder and keep away from the washing subassembly is connected with the transportation subassembly that is used for transporting the washing subassembly, and the intercommunication has a plurality of shower nozzle on the stereoplasm water pipe, and stereoplasm water pipe one end intercommunication has soft water pipe, and the one end intercommunication that soft water pipe was kept away from to soft water pipe has the water pump, and the one end intercommunication that soft water pipe was kept away from to the water pump has the storage water tank.
By adopting the technical scheme, when the transportation component drives the driving air cylinder to move to a proper position, the driving air cylinder drives the cleaning component to reciprocate between the adjacent filter plates, water in the water storage tank flows into the soft water pipe through the water pump and then is sprayed out from the spray head through the hard water pipe, and the filter plates are sprayed and decontaminated; the arrangement of the cleaning component reduces the labor consumed by cleaning the filter plate, and the arrangement of the plurality of spray heads improves the cleaning efficiency and saves time; the arrangement of the driving cylinder increases the coverage area of the spray and improves the cleaning rate.
Preferably, the transportation assembly comprises a sliding rail and a sliding block, the sliding rail is connected with the support in a relatively sliding mode, a sliding groove is formed in the sliding rail and is matched with the sliding block for use, the sliding block is fixedly connected with the driving cylinder, and the driving cylinder is horizontally arranged; the piston rod of the driving cylinder is fixedly connected with the hard water pipe.
By adopting the technical scheme, when the cleaning device is used, the sliding block moves in the sliding chute to drive the driving cylinder to move to one side of the filter plate to be cleaned, and the sliding rail slides on the bracket to be close to the filter plate for cleaning; the slide rail is connected with the support in a sliding mode, when a piston rod of the driving air cylinder extends to the longest length, the cleaning assembly can be sprayed to the filter plate to be far away from one end of the driving air cylinder, the filter plate is completely covered in a cleaning mode, and after the cleaning assembly works, the slide rail slides on the support to be far away from the filter plate, so that the cleaning assembly does not interfere with follow-up filter pressing work.
Preferably, the cleaning assembly further comprises two cleaning brushes, the cleaning brushes are hinged to the piston rod of the driving cylinder, and the two cleaning brushes are symmetrically arranged up and down in the length direction of the piston rod of the driving cylinder.
By adopting the technical scheme, in the movement process of the driving cylinder, the cleaning brush moves along with the driving cylinder, and the brush head of the cleaning brush is in contact with the adjacent filter plate and washes away the residual mud on the filter plate while the spray head sprays water to the filter plate; the arrangement of the two cleaning brushes increases the working area of the cleaning brushes, so that the filter plates can be cleaned more thoroughly, and the cleaning brushes and the spray heads can be used simultaneously, so that the time is saved; the cleaning brush is connected with the drive cylinder piston rod rotation, and when drive actuating cylinder moved, the cleaning brush can not bump with the support and make the cleaning brush damage.
Preferably, the transportation assembly further comprises a transportation cylinder, and a piston rod of the transportation cylinder is fixed with the sliding block.
By adopting the technical scheme, when the cleaning device works, the conveying cylinder is started firstly, the piston rod of the conveying cylinder drives the sliding block to move in the sliding chute, when the cleaning component moves to the position of a filter plate to be cleaned, the conveying cylinder is closed, and when the next filter plate is cleaned, the conveying cylinder is started again; if the manpower promotes and washs the subassembly, then consuming time longer and more hard, the time and the manpower that the subassembly removal of wasing consumed have been practiced thrift in the setting up of transportation cylinder.
Preferably, the support bottom is connected with a collection liquid subassembly, and the collection liquid subassembly is including the connection frame that link up from top to bottom, and the connection frame is fixed on the support and the connection frame is located the filter plate below, and connection frame one end intercommunication has the collection liquid case that is used for storing clean waste liquid.
Through adopting above-mentioned technical scheme, at the in-process of the clean filter plate of washing subassembly, the washing waste liquid drips downwards to store in the connection frame, later concentrate the collection in album liquid case with the washing waste liquid in the connection frame again, resources are saved.
Preferably, a liquid pump is arranged between the connecting frame and the liquid collecting tank, and two ends of the liquid pump are respectively communicated with the inside of the connecting frame and the liquid collecting tank.
Through adopting above-mentioned technical scheme, the clean waste liquid of back need handling is accomplished in the filter plate cleanness, starts the drawing liquid pump this moment, makes clean waste liquid retrieve to collecting the liquid case in, and the setting of drawing liquid pump has accelerated the time of retrieving clean waste liquid, and clean waste liquid is retrieved and to be mixed with the material that needs the filter-pressing in collecting the liquid case and carry out solid-liquid separation again, resources are saved.
Preferably, be provided with the draw-in groove on the lateral wall of connecting frame both ends, sliding connection has the sunshade on the connecting frame, and the sunshade uses with the draw-in groove cooperation.
By adopting the technical scheme, when the plate-and-frame filter press is used for processing materials, the shielding plate is moved out of the clamping groove, and the solid materials fall from the opening of the connecting frame; when the filter plate is cleaned, the shielding plate is placed in the clamping groove, and the connecting frame collects waste liquid; if there is not the sunshade, solid material drops on the carriage during filter-pressing, and clean waste liquid can mix with solid material during the cleanness, and the setting up of sunshade makes filter-pressing of plate and frame filter press and clean process mutually noninterfere.
Preferably, the outer wall of one end, far away from the liquid pump, of the connecting frame is fixed with a liquid collecting cylinder, a piston rod of the liquid collecting cylinder penetrates through the wall surface of the connecting frame, a liquid pushing plate is fixed on the piston rod of the liquid collecting cylinder, and the liquid pushing plate is abutted to the shielding plate.
Through adopting above-mentioned technical scheme, when needs retrieve clean waste liquid, start album liquid cylinder, collection liquid cylinder piston rod drives the direction removal of pushing liquid board to the drawing liquid pump, therefore clean waste liquid flows to the drawing liquid pump under the promotion of pushing liquid board, has reduced clean waste liquid recovery time.
In conclusion, the utility model has the following beneficial effects:
1. the cleaning component is matched with the conveying component for use, so that the labor consumed by cleaning the filter plate is reduced, the cleaning efficiency is improved, and the time is saved;
2. the arrangement of the liquid collecting assembly reduces the recovery time of the clean waste liquid and saves resources.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of a portion of the filter plate hidden to show the structure of the transport assembly and the liquid collection assembly.
Description of reference numerals:
1. a support; 11. a support plate; 2. filtering the plate; 3. cleaning the assembly; 31. a hard water pipe; 32. a spray head; 33. a soft water pipe; 34. a water pump; 35. a water storage tank; 36. cleaning brushes; 4. a driving cylinder; 5. a transport assembly; 51. a slide rail; 511. a chute; 52. a slider; 53. a transport cylinder; 6. a liquid collection assembly; 61. a connecting frame; 611. a card slot; 612. a socket; 62. a liquid pump; 63. a liquid collection tank; 64. a shutter; 7. a liquid collecting cylinder; 8. a liquid pushing plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a plate frame filter press convenient to filter plate is clean, as shown in figure 1, includes support 1 and a plurality of filter plate 2 of sliding connection on support 1, and 1 one side of support is connected with transportation subassembly 5, is provided with between transportation subassembly 5 and the support 1 and washs subassembly 3, washs one side that subassembly 3 kept away from filter plate 2 and is connected with and drives actuating cylinder 4, drives actuating cylinder 4 and is connected with transportation subassembly 5, is connected with album liquid subassembly 6 in support 1 bottom. When washing filter plate 2, the transport module 5 drives and drives the motion of actuating cylinder 4, drives actuating cylinder 4 and drives and wash subassembly 3 reciprocating motion between adjacent filter plate 2, washs subassembly 3 and washs filter plate 2, and clean waste liquid is retrieved by album liquid subassembly 6.
As shown in fig. 2, a support 1 is vertically placed on the ground, a plurality of filter plates 2 are vertically arranged on the support 1, and the filter plates 2 are connected with support rods in the length direction of the support 1 in a sliding manner; the transportation assembly 5 is arranged on one side of the support 1 in the length direction, the transportation assembly 5 comprises a sliding rail 51, a sliding block 52 and a transportation cylinder 53, a support plate 11 extends from one side of the top surface of the support 1, the bottom surface of the sliding rail 51 is connected with the support plate 11 in a sliding manner, the length direction of the sliding rail 51 is parallel to that of the support plate 11, a trapezoidal sliding groove 511 is horizontally formed in the side wall of the sliding rail 51 facing the support 1, the sliding groove 511 penetrates through two ends of the sliding rail 51 in the length direction, the length direction of the sliding groove 511 is parallel to that of the sliding rail 51, and the sliding groove 511 is matched with the sliding block 52 for use; the side wall of the slide block 52 departing from the slide rail 51 is fixedly connected with the driving cylinder 4, and the length direction of the driving cylinder 4 is arranged vertically to the length direction of the slide rail 51 in the horizontal direction; the transportation cylinder 53 is arranged at one end of the sliding rail 51, the transportation cylinder 53 is fixedly connected with the sliding rail 51, the transportation cylinder 53 is arranged in parallel with the length direction of the sliding rail 51 in the horizontal direction, a connecting rod is fixed on a piston rod of the transportation cylinder 53, and one end, far away from the transportation cylinder 53, of the connecting rod is fixedly connected with the sliding block 52.
During filter pressing, the driving cylinder 4 and the cleaning assembly 3 are positioned on one side of the bracket 1; when the filter plates 2 are cleaned, the transportation cylinder 53 drives the sliding block 52 to move in the sliding groove 511, so that the cleaning assembly 3 moves to the position of the filter plate 2 to be cleaned, the sliding rail 51 slides on the supporting plate 11 to be close to the filter plate 2, then the driving cylinder 4 is started, and the driving cylinder 4 drives the cleaning assembly 3 to reciprocate between the adjacent filter plates 2 to clean the filter plate 2.
As shown in fig. 1 and 2, the cleaning assembly 3 includes a hard water pipe 31, a nozzle 32, a soft water pipe 33 and a cleaning brush 36, the hard water pipe 31 is vertically arranged, the side wall of the hard water pipe 31 in the length direction is fixedly connected to the piston rod of the driving cylinder 4, the bottom of the hard water pipe 31 is sealed, and the top surface of the hard water pipe 31 is flush with the top surface of the filter plate 2; the spray heads 32 are communicated with the hard water pipe 31, a plurality of spray heads 32 are arranged on the hard water pipe 31, the spray heads 32 are vertically distributed on the hard water pipe 31 at equal intervals, the spray heads 32 are symmetrically distributed on two sides of the hard water pipe 31, and the spray heads 32 on two sides of the hard water pipe 31 face the adjacent filter plates 2 respectively.
As shown in fig. 1, two cleaning brushes 36 are vertically arranged, the cleaning brushes 36 are hinged to the piston rod of the driving cylinder 4, the two cleaning brushes 36 are symmetrically arranged up and down in the length direction of the piston rod of the driving cylinder 4, and the total length of the two cleaning brushes 36 is the same as the height of the filter plate 2; the soft water pipe 33 is communicated with the top surface of the hard water pipe 31, one end of the soft water pipe 33, which is far away from the hard water pipe 31, is communicated with the water pump 34, one end of the water pump 34, which is far away from the soft water pipe 33, is communicated with the water storage tank 35, the water pump 34 is fixed on the water storage tank 35, and the water storage tank 35 is placed on the ground.
When the cleaning device is used, the driving air cylinder 4 drives the hard water pipe 31 and the cleaning brush 36 to be close to the filter plates 2, when the cleaning brush 36 positioned at the bottom of the piston rod of the driving air cylinder 4 passes through the support 1, the cleaning brush 36 rotates around the hinged shaft, so that the cleaning brush 36 is not interfered with the support 1, water in the water storage tank 35 is sprayed out at the spray head 32 through the water pump 34, the soft water pipe 33 and the hard water pipe 31, the driving air cylinder 4 drives the hard water pipe 31 to reciprocate between the adjacent filter plates 2, so that spray is sprayed onto the filter plates 2, and meanwhile, the cleaning brush 36 reciprocates and cleans the filter plates 2.
As shown in fig. 2, the liquid collecting assembly 6 comprises a connecting frame 61, a liquid pump 62, a liquid collecting tank 63 and a shielding plate 64, wherein the connecting frame 61 penetrates up and down, the size of the cross section of the connecting frame 61 is the same as that of the cross section of the bracket 1, the connecting frame 61 is horizontally arranged at the bottom of the bracket 1, and the side wall of the connecting frame 61 is fixedly connected to the bracket 1; one end of the liquid pump 62 penetrates through the side wall of the connecting frame 61 and is communicated with the inside of the connecting frame 61, one end, far away from the connecting frame 61, of the liquid pump 62 is communicated with the liquid collecting box 63, the liquid pump 62 is fixed on the liquid collecting box 63, and the liquid collecting box 63 is placed on the ground.
As shown in fig. 2, a socket 612 is formed through a side wall of the connecting frame 61 in the longitudinal direction, the longitudinal direction of the socket 612 is parallel to the longitudinal direction of the connecting frame 61, and the socket 612 is horizontally disposed near the bottom of the connecting frame 61; the other three inner walls of the connecting frame 61 are provided with clamping grooves 611, and the clamping grooves 611 and the sockets 612 are positioned in the same horizontal direction; the size of the shielding plate 64 is the same as that of the cross section of the connecting frame 61, and the shielding plate 64 is matched with the clamping groove 611 for use. During filter pressing, the shielding plate 64 is drawn out from the inserting hole 612, so that the solid materials fall from the opening of the connecting frame 61; when the filter plate 2 is cleaned, the shutter 64 is slid to be engaged with the engaging groove 611, the opening of the connecting frame 61 is completely blocked, and the connecting frame 61 collects the waste cleaning solution.
As shown in fig. 2, the outer wall of one end of the connecting frame 61, which is far away from the liquid pump 62, is fixedly connected with the liquid collecting cylinder 7, the liquid collecting cylinder 7 is arranged in parallel with the length direction of the connecting frame 61, the piston rod of the liquid collecting cylinder 7 penetrates through the side wall of the connecting frame 61, the piston rod of the liquid collecting cylinder 7 is fixedly connected with the liquid pushing plate 8, the liquid pushing plate 8 is arranged vertically to the length direction of the connecting frame 61 in the horizontal direction, the length of the liquid pushing plate 8 is the same as the width of the connecting frame 61, and the bottom surface of the liquid pushing plate 8 is abutted to the shielding plate 64 during operation.
The using process of the utility model is as follows:
when the filter plates 2 need to be cleaned, firstly, two adjacent filter plates 2 are moved away by a certain distance, the shielding plate 64 is placed in the clamping groove 611, the transportation air cylinder 53 is started, the piston rod of the transportation air cylinder 53 drives the sliding block 52 to move, the cleaning component 3 is moved to a position between the filter plates 2 needing to be cleaned, the transportation air cylinder 53 is closed, and the sliding rail 51 is slid to enable the transportation air cylinder 53 to be close to the filter plates 2; the water pump 34 and the driving cylinder 4 are restarted, the driving cylinder 4 drives the cleaning component 3 to approach the filter plates 2 and to reciprocate between the adjacent filter plates 2, water in the water storage tank 35 is sprayed onto the filter plates 2 at the spray heads 32 through the water pump 34, the soft water pipe 33 and the hard water pipe 31, and meanwhile, the cleaning brush 36 reciprocates and cleans the filter plates 2; and the conveying air cylinder 53 is started again to adjust the position of the cleaning component 3, and the subsequent filter plates 2 are cleaned in sequence.
After the cleaning work is finished, the liquid collecting cylinder 7 and the liquid pump 62 are started, the liquid collecting cylinder 7 drives the liquid pushing plate 8 to flow the cleaning waste liquid to the direction of the liquid pump 62, the cleaning waste liquid flows into the liquid collecting box 63 through the liquid pump 62 to be subjected to subsequent treatment, and the cleaning work of the filter plate 2 is finished.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (8)
1. The utility model provides a plate and frame filter press convenient to filter plate is clean, includes a plurality of filter plate (2) of support (1) and sliding connection on support (1), its characterized in that: support (1) one side is connected with washs subassembly (3), wash subassembly (3) including stereoplasm water pipe (31), stereoplasm water pipe (31) lateral wall fixedly connected with is used for the drive to wash subassembly (3) reciprocating motion between adjacent filter plate (2) drive actuating cylinder (4), the one end of driving actuating cylinder (4) and keeping away from washing subassembly (3) is connected with transportation subassembly (5) that are used for transporting washing subassembly (3), the intercommunication has a plurality of shower nozzle (32) on stereoplasm water pipe (31), stereoplasm water pipe (31) one end intercommunication has soft water pipe (33), the one end intercommunication that stereoplasm water pipe (31) were kept away from in soft water pipe (33) has water pump (34), the one end intercommunication that soft water pipe (33) were kept away from in water pump (34) has storage water tank (35).
2. The plate and frame filter press convenient for cleaning of filter plates of claim 1, wherein: the transportation assembly (5) comprises a sliding rail (51) and a sliding block (52), the sliding rail (51) is in relative sliding connection with the support (1), a sliding groove (511) is formed in the sliding rail (51), the sliding groove (511) is matched with the sliding block (52) for use, the sliding block (52) is fixedly connected with the driving cylinder (4), and the driving cylinder (4) is horizontally arranged; the piston rod of the driving cylinder (4) is fixedly connected with the hard water pipe (31).
3. The plate and frame filter press convenient for cleaning of filter plates of claim 2, wherein: the cleaning assembly (3) further comprises two cleaning brushes (36), the cleaning brushes (36) are hinged to the piston rod of the driving cylinder (4), and the two cleaning brushes (36) are symmetrically arranged up and down in the length direction of the piston rod of the driving cylinder (4).
4. The plate and frame filter press convenient for cleaning of filter plates of claim 2, wherein: the transportation assembly (5) further comprises a transportation air cylinder (53), and a piston rod of the transportation air cylinder (53) is fixed with the sliding block (52).
5. The plate and frame filter press convenient for cleaning of filter plates of claim 1, wherein: support (1) bottom is connected with album liquid subassembly (6), and collection liquid subassembly (6) are including link up from top to bottom connection frame (61), and link up frame (61) are fixed on support (1) and link up frame (61) and are located filter plate (2) below, and link up frame (61) one end intercommunication has collection liquid tank (63) that are used for storing clean waste liquid.
6. The plate and frame filter press convenient for cleaning of filter plates of claim 5, wherein: a liquid pump (62) is arranged between the connecting frame (61) and the liquid collecting box (63), and two ends of the liquid pump (62) are respectively communicated with the inside of the connecting frame (61) and the liquid collecting box (63).
7. The plate and frame filter press convenient for cleaning of filter plates of claim 6, wherein: the side walls of two ends of the connecting frame (61) are provided with clamping grooves (611), the connecting frame (61) is connected with a shielding plate (64) in a sliding mode, and the shielding plate (64) is matched with the clamping grooves (611) for use.
8. The plate and frame filter press convenient for cleaning of filter plates of claim 7, wherein: the outer wall of one end, far away from the liquid pump (62), of the connecting frame (61) is fixed with a liquid collecting cylinder (7), a piston rod of the liquid collecting cylinder (7) penetrates through the wall surface of the connecting frame (61), a liquid pushing plate (8) is fixed on the piston rod of the liquid collecting cylinder (7), and the liquid pushing plate (8) is abutted to the shielding plate (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226206.4U CN215691925U (en) | 2021-09-14 | 2021-09-14 | Plate-and-frame filter press convenient for cleaning filter plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226206.4U CN215691925U (en) | 2021-09-14 | 2021-09-14 | Plate-and-frame filter press convenient for cleaning filter plates |
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| Publication Number | Publication Date |
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| CN215691925U true CN215691925U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122226206.4U Active CN215691925U (en) | 2021-09-14 | 2021-09-14 | Plate-and-frame filter press convenient for cleaning filter plates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445264A (en) * | 2022-09-20 | 2022-12-09 | 松原百孚化工(唐山)有限公司 | Plate-frame filter press |
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2021
- 2021-09-14 CN CN202122226206.4U patent/CN215691925U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445264A (en) * | 2022-09-20 | 2022-12-09 | 松原百孚化工(唐山)有限公司 | Plate-frame filter press |
| CN115445264B (en) * | 2022-09-20 | 2023-08-25 | 松原百孚化工(唐山)有限公司 | Plate-and-frame filter press |
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