CN215876378U - Plate and frame filter press - Google Patents
Plate and frame filter press Download PDFInfo
- Publication number
- CN215876378U CN215876378U CN202121188155.4U CN202121188155U CN215876378U CN 215876378 U CN215876378 U CN 215876378U CN 202121188155 U CN202121188155 U CN 202121188155U CN 215876378 U CN215876378 U CN 215876378U
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- frame
- guide rod
- filter screen
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Abstract
The utility model discloses a plate and frame filter press, which comprises supporting legs, a pressing device, a plurality of pulling plate devices, a back flushing device and a collecting device, wherein the pressing device is arranged between a pair of side plates, the pulling plate devices are used for connecting filter plates and adjacent filter frames, the back flushing device is arranged on the side plates, a plurality of back flushing pipes of the back flushing device are connected to the rear ends of the filter plates, the collecting device is arranged on a bottom plate between the pair of side plates, and a filtrate collecting box and a filter cake collecting box are used for collecting filtrate and filter cakes. The filter pressing effect is good, and the automation degree is high, so that the working efficiency of the filter pressing machine is higher.
Description
Technical Field
The utility model relates to the technical field of filtering equipment, in particular to a plate and frame filter press.
Background
Filtration is an operation in which solid particles are separated from a suspension using a porous material as a medium. Under the action of external force, the liquid in the suspension passes through the pore channels of the porous medium to fix the particles and be intercepted, thereby realizing the solid-liquid separation. The plate and frame filter press is a filtration type commonly used in industry, and the plate and frame filter press that adopts on the existing market can play certain effect, but the live time is overlength, and the water content in its filter cake can increase for dehydration effect worsens, and current plate and frame filter press function singleness, thereby influences filtration efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a plate and frame filter press with good dewatering effect and high working efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme:
a plate and frame filter press comprising:
the supporting leg is provided with a pair of side plates which are arranged in parallel along the front-back direction, and the side surfaces of one side of each side plate opposite to the corresponding side plate are provided with sliding grooves;
the pressing device is arranged between the pair of side plates and comprises a first air cylinder, a pressing plate, a plurality of filter plates and a plurality of filter frames, the filter plates and the filter frames are arranged at intervals, the pressing plate is connected to the extending end of the first air cylinder, and the pressing plate is connected with the filter plate on the leftmost side;
the filter plate comprises a plurality of filter frames, a plurality of pull plate devices and a plurality of filter plates, wherein the filter plates are connected with the adjacent filter frames through the pull plate devices, each pull plate device comprises a first guide rod, a second guide rod, a third guide rod and a fourth guide rod, the right end of the first guide rod is hinged with the left end of the second guide rod, the right end of the third guide rod is hinged with the left end of the fourth guide rod, the left end of the first guide rod is hinged to the lower end of one of the filter frames except the rightmost filter frame, the right end of the second guide rod and the left end of the third guide rod are both hinged to the lower end of the filter plate on the right side of the corresponding filter frame, and the right end of the fourth guide rod is hinged to the lower end of the filter frame on the right side of the corresponding filter frame;
the back flushing device is arranged on the side plate, a back flushing pipe of the back flushing device is connected to the rear end of the filter plate through a branch pipe, and the branch pipe is communicated with a liquid injection port of the corresponding filter plate;
the collecting device is arranged on the bottom plate between the pair of side plates and comprises a second air cylinder, a filtrate collecting box and a filter cake collecting box, the second air cylinder is connected with the filtrate collecting box through a fixing plate, and the filtrate collecting box is connected with the filter cake collecting box through a connecting rod.
Furthermore, the inside of straining the frame is equipped with inflation cover and spacer, the spacer compare the inflation cover is closer to strain the opening side of frame, strain the open end of frame and be equipped with the sealing washer, the inside of sealing washer with the spacer link up mutually, strain the upper end of frame and seted up the pressure inlet, the pressure inlet with be located the inside inflation chamber of inflation cover link up mutually.
Furthermore, a first filter screen, a second filter screen and a third filter screen are sequentially arranged in the filter plate from left to right, the mesh density of the first filter screen is greater than that of the second filter screen, and the mesh density of the second filter screen is greater than that of the third filter screen.
Furthermore, the inner ring of the sealing ring is sleeved on the frame edge of the filter frame, one side of the sealing ring close to the inner ring surface of the filter frame is provided with a plurality of first convex angles and a plurality of second convex angles, the inner side surface of the opening of the filter frame is annularly provided with a plurality of grooves, and the first convex angles and the second convex angles are abutted against the corresponding grooves.
Further, first filter screen with first filter chamber has between the medial surface of filter plate, first filter screen with the second filter chamber has between the second filter screen, the second filter screen with the third filter chamber has between the third filter screen, the right-hand member of third filter screen with it holds the chamber to have between the filter plate, hold the chamber with annotate liquid mouth through connection.
Furthermore, the lower end of the filter plate is provided with a flow hole which is communicated with the first filter cavity.
Furthermore, slide bars are arranged on the front side and the rear side of the filter plate and the front side and the rear side of the filter frame, and the slide bars slide in the slide grooves.
Furthermore, the filtrate collecting box is positioned behind the filter cake collecting box, and the filtrate collecting box and the filter cake collecting box are both positioned below the filter frame.
The technical scheme can show that the utility model has the advantages that:
1. compared with the prior art, the filter plate has a complex structure and can meet various different filtering conditions, so that the filtering effect is better;
2. the compacting device can effectively remove water in the filter cake, and the back flushing device can prevent other part of feed liquid from being mixed into the filter cake, so that the filter pressing effect is better;
3. the pulling plate device can collect filter cakes and feed liquid after filter pressing, so that the working effect is higher.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 with the front side panel removed.
Fig. 3 is a schematic structural view of the filter plate of the present invention.
Fig. 4 is a schematic structural view of the filter frame of the present invention.
Fig. 5 is a partial enlarged view of fig. 3 at a.
Fig. 6 is a partial enlarged view of fig. 4 at B.
Fig. 7 is a partially enlarged view of fig. 6 at C.
Fig. 8 is a left side view of the collection device of the present invention.
Fig. 9 is a partially enlarged view of fig. 1 at D.
Labeled as: the filter press comprises a support leg 1, a side plate 11, a sliding chute 111, a bottom plate 12, a pressing device 2, a first air cylinder 21, a pressing plate 22, a filter plate 23, a first filter screen 231, a first filter chamber 2311, a second filter screen 232, a second filter chamber 2321, a third filter screen 233, a third filter chamber 2331, a containing chamber 2332, a flow hole 234, a liquid injection port 235, a filter frame 24, an expansion sleeve 241, an expansion chamber 2411, a spacer 242, a sealing ring 243, a first convex angle 2431, a second convex angle 2432, a pressurizing port 244, a groove 245, a sliding rod 25, a collecting device 3, a second air cylinder 31, a fixing plate 32, a filtrate collecting box 33, a connecting rod 34, a filter cake collecting box 35, a blowback device 4, a blowback pipe 41, a branch pipe 411, a pulling plate device 5, a first guide rod 51, a second guide rod 52, a third guide rod 53 and a fourth guide rod 54.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 9, a plate and frame filter press as shown in fig. 1, 2 and 9 includes a support leg 1, a pressing device 2, a plurality of pulling plate devices 5, a back-blowing device 4 and a collecting device 3, a pair of side plates 11 disposed in parallel along a front-back direction is disposed on the support leg 1, sliding grooves 111 are disposed on opposite side surfaces of the pair of side plates 11, the pressing device 2 is disposed between the pair of side plates 11, the pressing device 2 includes a first cylinder 21, a pressing plate 22, a plurality of filter plates 23 and a plurality of filter frames 24, the filter plates 23 and the filter frames 24 are disposed at intervals, the number of the filter plates 23 is the same as that of the filter frames, filter cloth is disposed on an opening side of the filter plates 23 to increase a filtering effect, the pressing plate 22 is connected to an extending end of the first cylinder 21, and the pressing plate 22 is connected to the leftmost filter plate 23, the pulling plate device 5 is used for connecting the filter plate 23 and the adjacent filter frame 24, the pulling plate device 5 includes a first guide rod 51, a second guide rod 52, a third guide rod 53 and a fourth guide rod 54, the right end of the first guide rod 51 is hinged with the left end of the second guide rod 52, the right end of the third guide rod 53 is hinged with the left end of the fourth guide rod 54, the left end of the first guide rod 51 is hinged with the lower end of one of the filter frames 24 except the rightmost filter frame 24, the right end of the second guide rod 52 and the left end of the third guide rod 53 are hinged with the lower end of the filter plate 23 on the right side of the corresponding filter frame 24, the right end of the fourth guide rod 54 is hinged with the lower end of the corresponding filter frame 24 on the right side of the filter plate 23, the blowback device 4 is arranged on the side plate 11, the blowback pipe 41 of the blowback device 4 is connected with the rear end of the filter plate 23 through a branch pipe 411, the branch pipe 411 is communicated with the corresponding liquid injection port 235 of the filter plate 23, the collecting device 3 is arranged on the bottom plate 12 between the pair of side plates 11, the collecting device 3 comprises a second cylinder 31, a filtrate collecting box 33 and a filter cake collecting box 35, the second cylinder 31 is connected with the filtrate collecting box 33 through a fixing plate 32, the filtrate collecting box 33 is connected with the filter cake collecting box 35 through a connecting rod 34, and the filtrate collecting box 33 and the filter cake collecting box 35 synchronously move under the action of the second cylinder 31.
As shown in fig. 4 and 6, an expansion sleeve 241 and a spacer 242 are provided inside the filter frame 24, the spacer 242 is closer to the opening side of the filter frame 24 than the expansion sleeve 241, a sealing ring 243 is provided at the opening end of the filter frame 24, the inside of the sealing ring 243 is communicated with the spacer 242, a pressurizing port 244 is provided at the upper end of the filter frame 24, the pressurizing port 244 is communicated with an expansion cavity 2411 located inside the expansion sleeve 241, the pressurizing port 244 is externally connected with a pressure source, the pressure source can pressurize the filter frame 24 through the pressurizing port 244, and the expansion sleeve 241 is expanded and deformed after pressurization.
As shown in fig. 3 and 5, a first filter screen 231, a second filter screen 232 and a third filter screen 233 are sequentially arranged in the filter plate 23 from left to right, the mesh density of the first filter screen 231 is greater than that of the second filter screen 232, the mesh density of the second filter screen 232 is greater than that of the third filter screen 233, during filter pressing, feed liquid is injected from the liquid injection port 235 and enters the accommodating chamber 2332, under the filter pressing action, the feed liquid enters the third filter chamber 2331 through the third filter screen 233 and then enters the second filter chamber 2321 through the second filter screen 232, finally enters the first filter chamber 2311 through the first filter screen 231 and flows into the filtrate collecting tank 33 through the flow hole 234, and the first filter screen 231, the second filter screen 232 and the third filter screen 233 can fully filter the feed liquid, effectively prevent impurities from entering, and greatly improve the filtering effect.
As shown in fig. 7, the inner ring of the sealing ring 243 is sleeved on the frame edge of the filter frame 24, one side of the sealing ring 243 close to the inner annular surface of the filter frame 24 is provided with a plurality of first convex angles 2431 and a plurality of second convex angles 2432, the inner side surface of the opening of the filter frame 24 is annularly provided with a plurality of grooves 245, the first convex angles 2431 and the second convex angles 2432 are abutted against the corresponding grooves 245, the first convex angles 2431 and the second convex angles 2432 can improve the sealing effect on the filter frame 24, and not only can prevent the overflow of the feed liquid, but also can prevent the reduction of the internal pressure of the filter frame 24, so that the compression effect is better, and the filter pressing effect is better.
Preferably, a first filter chamber 2311 is formed between the first filter screen 231 and the inner side surface of the filter plate 23, a second filter chamber 2321 is formed between the first filter screen 231 and the second filter screen 232, a third filter chamber 2331 is formed between the second filter screen 232 and the third filter screen 233, a containing chamber 2332 is formed between the right end of the third filter screen 233 and the filter plate 23, and the containing chamber 2332 is connected with the liquid injection port 235 in a penetrating manner.
Preferably, the lower end of the filter plate 23 is opened with a flow hole 234, and the flow hole 234 communicates with the first filter chamber 2311.
Preferably, slide rods 25 are disposed on the front and rear sides of the filter plate 23 and the front and rear sides of the filter frame 24, and the slide rods 25 slide in the slide grooves 111.
As shown in fig. 8, the filtrate collection box 33 is located behind the filter cake collection box 35, the filtrate collection box 33 and the filter cake collection box 35 are both located below the filter frame 24, the filtrate collection box 33 is located right below the filter frame 24, when the filter pressing is completed, the feed liquid falls into the filtrate collection box 33 through the flow hole 234, when the leakage is completed, the second cylinder 31 is started to retract the telescopic rod, at this time, the filter cake collection box 35 is located right below the filter frame 24, the first cylinder 21 is restarted to retract the telescopic rod thereof, under the action of a plurality of pulling plate devices 5, the filter plate 23 is separated from the adjacent filter frame 24, and under the action of gravity, the filter cake after the filter pressing falls into the filter cake collection box 35.
When the pressing device 2 presses, the first guide rod 51 and the second guide rod 52 rotate and approach each other, the third guide rod 53 and the fourth guide rod 54 rotate and approach each other, when the pressing device 2 returns, the leftmost filter plate 23 is driven by the pressing plate 22 to move leftwards, then the filter frame 24 is pulled leftwards by the third guide rod 53 and the fourth guide rod 54 rotating and approaching each other, and so on, so that the corresponding filter plate 23 and the corresponding filter frame 24 are pulled back to the original state position under the action of the pulling plate device 5, and when the filter plate 23 and the filter frame 24 are separated, the filter cake falls in the filter cake collecting box 35 under the action of gravity.
The working principle is as follows: the first cylinder 21 is actuated, so that the pressure plate 22 with the leftmost filter sheet 23 moves rightward, so that all the filter plates 23 and the filter frames 24 except for the rightmost filter frame 24 are moved rightward and pressed against each other, under the pressing action, the sealing ring 243 is tightly pressed between the filter plate 23 and the filter frame 24, so that the filter plate 23 and the filter frame 24 are in a sealing state, then, water is injected into the filter sheet 23 through the injection port 235, and the pressure is applied to the filter frame 24 through the pressure application port 244, so that the expansion sleeve 241 gradually expands as the pressure increases, and presses the filter cake, so that water is squeezed out, the squeezed water flows out through the flow hole 234, and then the blowback device 4 is activated, so that the blowback pipe 41 flows out the feed liquid remaining in the filter plates 23 and the filter frames 24 from the liquid injection port 235 and the flow hole 234, respectively, and finally the collecting device 3 is activated, so that the filter cake is collected.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A plate and frame filter press, comprising:
the supporting leg comprises supporting legs (1), wherein a pair of side plates (11) which are arranged in parallel in the front-back direction are arranged on the supporting legs (1), and sliding grooves (111) are formed in the side faces of one side, opposite to the side plates (11), of each pair;
the pressing device (2) is arranged between the pair of side plates (11), the pressing device (2) comprises a first air cylinder (21), a pressing plate (22), a plurality of filter plates (23) and a plurality of filter frames (24), the filter plates (23) and the filter frames (24) are arranged at intervals, the pressing plate (22) is connected to the extending end of the first air cylinder (21), and the pressing plate (22) is connected with the filter plate (23) on the leftmost side;
a plurality of pulling plate devices (5), wherein the pulling plate devices (5) are used for connecting the filter plates (23) and the adjacent filter frames (24), the pulling plate device (5) comprises a first guide rod (51), a second guide rod (52), a third guide rod (53) and a fourth guide rod (54), the right end of the first guide rod (51) is hinged with the left end of the second guide rod (52), the right end of the third guide rod (53) is hinged with the left end of the fourth guide rod (54), the left end of the first guide rod (51) is hinged at the lower end of one of the filter frames (24) except the rightmost filter frame (24), the right end of the second guide rod (52) and the left end of the third guide rod (53) are hinged at the lower end of the filter plate (23) on the right side of the corresponding filter frame (24), the right end of the fourth guide rod (54) is hinged to the lower end of the filter frame (24) on the right side of the corresponding filter plate (23);
the back flushing device (4) is arranged on the side plate (11), a back flushing pipe (41) of the back flushing device (4) is connected to the rear end of the filter plate (23) through a branch pipe (411), and the branch pipe (411) is communicated with a liquid injection port (235) of the corresponding filter plate (23);
the filter cake collecting device comprises a collecting device (3), wherein the collecting device (3) is arranged on a bottom plate (12) between a pair of side plates (11), the collecting device (3) comprises a second air cylinder (31), a filtrate collecting box (33) and a filter cake collecting box (35), the second air cylinder (31) is connected with the filtrate collecting box (33) through a fixing plate (32), and the filtrate collecting box (33) is connected with the filter cake collecting box (35) through a connecting rod (34).
2. The plate and frame filter press of claim 1, wherein an expansion sleeve (241) and a spacer (242) are disposed inside the filter frame (24), the spacer (242) is closer to the opening side of the filter frame (24) than the expansion sleeve (241), a sealing ring (243) is disposed at the opening end of the filter frame (24), the inside of the sealing ring (243) is communicated with the spacer (242), a pressurizing port (244) is disposed at the upper end of the filter frame (24), and the pressurizing port (244) is communicated with an expansion cavity (2411) disposed inside the expansion sleeve (241).
3. A plate and frame filter press according to claim 1, wherein a first filter screen (231), a second filter screen (232), and a third filter screen (233) are provided in the filter plate (23) in this order from left to right, the mesh density of the first filter screen (231) is greater than that of the second filter screen (232), and the mesh density of the second filter screen (232) is greater than that of the third filter screen (233).
4. The plate and frame filter press of claim 2, wherein the inner ring of the sealing ring (243) is sleeved on the frame edge of the filter frame (24), one side of the sealing ring (243) close to the inner ring surface of the filter frame (24) is provided with a plurality of first convex angles (2431) and a plurality of second convex angles (2432), the inner side surface of the opening of the filter frame (24) is provided with a plurality of annular grooves (245), and the first convex angles (2431) and the second convex angles (2432) are supported in the corresponding grooves (245).
5. The plate and frame filter press of claim 3, wherein a first filter chamber (2311) is formed between the first filter screen (231) and the inner side surface of the filter plate (23), a second filter chamber (2321) is formed between the first filter screen (231) and the second filter screen (232), a third filter chamber (2331) is formed between the second filter screen (232) and the third filter screen (233), a receiving chamber (2332) is formed between the right end of the third filter screen (233) and the filter plate (23), and the receiving chamber (2332) is connected to the liquid injection port (235).
6. The plate and frame filter press of claim 5, wherein the lower end of the filter plate (23) is opened with a flow hole (234), and the flow hole (234) communicates with the first filter chamber (2311).
7. The plate and frame filter press of claim 6, wherein slide bars (25) are provided at both front and rear sides of the filter plates (23) and front and rear sides of the filter frame (24), the slide bars (25) sliding in the slide grooves (111).
8. The plate and frame filter press of claim 7, wherein the filtrate collection tank (33) is located behind the filter cake collection tank (35), the filtrate collection tank (33) and the filter cake collection tank (35) both being located below the filter frame (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188155.4U CN215876378U (en) | 2021-05-28 | 2021-05-28 | Plate and frame filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188155.4U CN215876378U (en) | 2021-05-28 | 2021-05-28 | Plate and frame filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215876378U true CN215876378U (en) | 2022-02-22 |
Family
ID=80347359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121188155.4U Active CN215876378U (en) | 2021-05-28 | 2021-05-28 | Plate and frame filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215876378U (en) |
-
2021
- 2021-05-28 CN CN202121188155.4U patent/CN215876378U/en active Active
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