CN113634022A - Filter cloth replacing filter press without stopping - Google Patents
Filter cloth replacing filter press without stopping Download PDFInfo
- Publication number
- CN113634022A CN113634022A CN202111047075.1A CN202111047075A CN113634022A CN 113634022 A CN113634022 A CN 113634022A CN 202111047075 A CN202111047075 A CN 202111047075A CN 113634022 A CN113634022 A CN 113634022A
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- Prior art keywords
- filter
- movable
- filter cloth
- disposed
- plates
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- 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
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- 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
- B01D25/127—Filter presses, i.e. of the plate or plate and frame type with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands
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- 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
- B01D25/32—Removal of the filter cakes
-
- 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
- B01D25/32—Removal of the filter cakes
- B01D25/34—Removal of the filter cakes by moving, e.g. rotating, the filter elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filter press capable of replacing filter cloth without stopping, and relates to the technical field of filter press equipment. The invention provides a filter press capable of replacing filter cloth without stopping, which comprises a frame, telescopic filter pressing mechanisms arranged at two ends of the frame, an automatic filter cloth cleaning and replacing mechanism arranged on the telescopic filter pressing mechanisms, a driving transmission mechanism connected with the automatic filter cloth cleaning and replacing mechanism, and a liquid inlet and outlet device connected with the telescopic filter pressing mechanisms. The filter press capable of replacing the filter cloth without stopping the machine realizes the replacement of the filter cloth without stopping the machine and the automation of the replacement of the filter cloth, thereby greatly improving the working efficiency of filter pressing. In addition, when the adjacent movable filter plates are separated, the distance between the filter cloth between the adjacent movable filter plates is narrow at the top and wide at the bottom, so that the filter press is beneficial to the falling of mud blocks.
Description
Technical Field
The invention relates to the technical field of filter pressing equipment, in particular to a filter press capable of replacing filter cloth without stopping.
Background
The propylene oxide production industry which takes calcium hydroxide as raw material alkali can generate a large amount of sewage in the production process, and a filter press is one of devices for treating sewage. The existing plate-and-frame filter press comprises a frame, wherein a fixed filter plate, a movable filter plate and a pressing device for pressing the fixed filter plate and the movable filter plate are arranged on the frame, and filter cloth is respectively sleeved on the fixed filter plate and the movable filter plate. In the use process of the filter press with the structure in the prior art, mud blocks are easily adhered to the filter cloth, the filter press effect is influenced, the filter cloth needs to be detached and cleaned by frequently stopping, however, in the structure, the filter cloth is not easy to detach, steps such as acid-base soaking and clear water washing are needed during cleaning, time and labor are wasted, and the working efficiency of the filter press is seriously influenced.
Disclosure of Invention
The invention aims to solve the technical problems that in the use process of a filter press in the prior art, mud blocks are easy to adhere to filter cloth, the filter press effect is influenced, the filter cloth needs to be dismounted and cleaned by frequent shutdown, the filter cloth is not easy to dismount, the steps of acid-base soaking, clear water washing and the like are needed during cleaning, time and labor are wasted, and the working efficiency of the filter press is seriously influenced, so that the filter press for replacing the filter cloth without shutdown is provided, and the working efficiency of the filter press is greatly improved.
The invention solves the problems and adopts the technical scheme that:
the utility model provides a exempt from to park and change filter cloth pressure filter, includes the frame, sets up the flexible filter pressing mechanism at frame both ends, sets up the filter cloth self-cleaning on flexible filter pressing mechanism and changes the mechanism, the drive mechanism who changes the mechanism connection with filter cloth self-cleaning and the business turn over liquid device who is connected with flexible filter pressing mechanism.
Compared with the prior art, the invention adopting the technical scheme has the outstanding characteristics that:
the invention provides a filter press capable of replacing filter cloth without stopping, which is characterized in that a telescopic filter pressing mechanism acts through an oil cylinder, a telescopic rod extends out, movable filter plates driven by the telescopic rod are close to fixed filter plates and pressed, the filter cloth can be replaced without stopping through an automatic filter cloth cleaning and replacing mechanism and a driving rotating mechanism, the automation of replacing the filter cloth is realized, and the filtering of the filter press capable of replacing the filter cloth without stopping is realized through a liquid inlet and outlet device. And the automation of replacing the filter cloth greatly improves the working efficiency of filter pressing.
Preferably, the further technical scheme of the invention is as follows:
the telescopic filter pressing mechanism comprises oil cylinders arranged on two sides of the frame, hollow movable filter plates are fixedly arranged on telescopic rods of the oil cylinders on the two sides, filter pressing grooves which are arranged on the surfaces of the two movable filter plates and are close to each other, and filter pressing cavities formed after press fitting are aligned with the filter pressing grooves of the movable filter plates at the two ends.
The automatic filter cloth cleaning and replacing mechanism comprises a roller wheel, a tensioning device, a guide roller and filter cloth, wherein the roller wheel is positioned below the movable filter plate and arranged on two sides of the frame, the tensioning device is arranged between the roller wheel and the lower end of the movable filter plate, the guide roller is arranged above the movable filter plate, and the filter cloth is respectively connected to the roller wheel, the tensioning device, the guide roller and the filter pressing groove.
The number of the tension devices is two, each tension device comprises a tension roller, a connecting rod and a spring, two ends of each tension roller are hinged with the movable filter plate through the connecting rods, and the springs are connected between the middle parts of the connecting rods and the movable filter plates.
One end of the guide roller is connected with the movable filter plates at two ends through a connecting rod, and the other end of the guide roller is also hinged with the movable filter plates through a connecting rod.
The driving transmission mechanism comprises a servo motor and an electric clutch, and the servo motor is in transmission connection with the roller through the electric clutch.
The liquid inlet and outlet device comprises a liquid inlet pipe arranged between the lower ends of the movable filter plates at the two ends, a clamping groove arranged on the movable filter plate and corresponding to the liquid inlet pipe, a liquid outlet hole arranged at the bottom end of the movable filter plate and a water outlet hose connected with the liquid outlet hole.
The liquid inlet pipe is provided with a high-pressure pump, and the clamping groove is provided with an elastic sealing gasket.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a filter press for filter cloth replacement without shutdown according to the present invention;
FIG. 2 is a state of use diagram of FIG. 1 in a filter-press state;
fig. 3 is a schematic diagram of the transmission connection of the roller and the servo motor through the electric clutch.
In the figure: 1-a frame; 2-oil cylinder; 3-movable filter plate; 4-filter pressing tank; 5-pressing and filtering the cavity; 6-rolling; 7-a tensioning device; 71-a tension roller; 72-a connecting rod; 73-a spring; 8-a guide roll; 9-filter cloth; 10-an electric clutch; 11-a servo motor; 12-a liquid inlet pipe; 13-a card slot; 14-liquid outlet holes; 15-connecting rod.
Detailed Description
The invention will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the invention.
FIG. 1 is a schematic view of an embodiment of a filter press with no-parking filter cloth replacement according to the present invention; FIG. 2 is a view showing a filter press for filter press replacement without stopping the machine in a filter-pressing state; fig. 3 shows a schematic diagram of the transmission connection of the roller wheel of the invention and the servo motor through the electric clutch.
A filter press capable of replacing filter cloth without parking is shown in figures 1 and 2 and comprises a frame 1, telescopic filter pressing mechanisms arranged at two ends of the frame 1, a filter cloth automatic cleaning and replacing mechanism arranged on the telescopic filter pressing mechanisms, a driving transmission mechanism connected with the filter cloth automatic cleaning and replacing mechanism and a liquid inlet and outlet device connected with the telescopic filter pressing mechanisms.
The telescopic filter pressing mechanism comprises a frame 1, an oil cylinder 2 is arranged at each end of each of two ends of the frame 1, and a telescopic rod of each oil cylinder 2 faces the direction of the filter plate. The telescopic rod of the oil cylinder 2 is fixedly provided with hollow movable filter plates 3, the surfaces of the two movable filter plates 3 which are close to each other are provided with filter pressing grooves 4, the filter pressing grooves 4 of the movable filter plates 3 at the two ends are aligned to form a filter pressing cavity 5 after pressing, and the hollow cavity of each movable filter plate 3 is a liquid outlet cavity during filter pressing.
The automatic filter cloth cleaning and replacing mechanism comprises a roller 6, a tensioning device, a guide roller and filter cloth 9, wherein the roller 6 is positioned below the movable filter plate and arranged on two sides of the frame 1, the tensioning device is arranged between the roller 6 and the lower end of the movable filter plate 3, the guide roller is arranged above the movable filter plate 3, and the filter cloth 9 is respectively connected to the roller 6, the tensioning device, the guide roller 8 and the filter pressing groove 4.
Wherein, the frame 1 is located and is equipped with running roller 6 respectively below corresponding movable filter plate 3, the figure of running roller 6 is 2, be equipped with between the lower extreme of running roller 6 and movable filter plate 3 and rise tight device 7, rise tight device 7 and pass through the connecting piece and connect on movable filter plate 3, the quantity that rises tight device is 2, the guide roll 8 of movable filter plate 3 top, the one end of guide roll 8 is passed through connecting rod 15 and is connected with the movable filter plate 3 at frame 1 both ends, the other end of guide roll 8 also is connected with filter plate 3 through connecting rod 15 is articulated.
The tensioning device 7 comprises a tensioning roller 71, a connecting rod 72 and a spring 73, wherein two ends of the tensioning roller 71 are hinged with the movable filter plate 3 through a connecting piece, the connecting piece is the connecting rod 72, and the spring 73 is connected between the middle part of the connecting rod 72 and the movable filter plate 3. The tensioning device 7 is used for tensioning the rollers 6 which are positioned on the two sides of the lower part of the movable filter plate 3 on the frame 1.
The track of the filter cloth 9 on the automatic filter cloth cleaning and replacing mechanism is as follows: the filter cloth 9 is wound on the roller 6 at one end of the frame 1, the free end of the filter cloth 9 on the roller 6 passes through the tension device 7 at the end, the filter pressing groove 4 of the fixed filter plate at the end, the upper end of the guide roller 8, the filter pressing groove 4 of the movable filter plate 3 at the other end and the tension device 7 at the other end in sequence, and then is connected with the roller 6 at the other end, the roller 6 at the other end is in transmission connection through a driving transmission mechanism, as shown in fig. 3, the driving transmission mechanism comprises a servo motor 11 and an electric clutch 10, and the servo motor 11 is in transmission connection with the roller 6 through the electric clutch 10.
The liquid inlet and outlet device comprises a liquid inlet pipe 12 arranged between the lower ends of the movable filter plates at the two ends, a clamping groove 13 arranged on the movable filter plate 3 corresponding to the liquid inlet pipe, a liquid outlet hole 14 arranged at the bottom end of the movable filter plate 3 and a water outlet hose connected with the liquid outlet hole. The liquid inlet pipe 12 may be provided with a high pressure pump (not shown), and the clamping groove 13 is used for clamping the liquid inlet pipe 12. An elastic sealing gasket can be arranged at the clamping groove 13 and used for buffering and sealing the clamping groove 13 and the liquid inlet pipe 12.
The working process of the filter press capable of replacing filter cloth without stopping the machine is as follows:
in the driving transmission mechanism, an electric clutch 10 between a servo motor 11 and a roller 6 is in a separation state, oil cylinders 2 at two ends of a frame 1 move, telescopic rods of the oil cylinders 2 extend out to drive movable filter plates 3 to mutually approach fixed filter plates for pressing, a clamping groove 13 at the lower ends of the movable filter plates 3 clamps a liquid inlet pipe 12 tightly, and in the process, filter cloth 9 can be freely stretched along with the movement of the movable filter plates 3 to automatically adapt to the positions of the movable filter plates 3. After the movable filter plates 3 are contacted and pressed, the waste liquid to be treated enters the filter pressing cavities 5 between the movable filter plates 3 at two ends from the liquid inlet pipe 12 through high pressure of the high pressure pump, and pure liquid penetrates through the filter cloth 9, enters the hollow inner cavities of the movable filter plates 3 and flows out from the liquid outlet holes 14. Then the telescopic rod of the oil cylinder 2 retracts to drive the movable filter plate 3 to separate, and the filter cake falls down.
The filter cloth 9 is not sleeved on the movable filter plate 3, but is separated from the movable filter plate 3, the filter cloth 9 is wound on the roller 6 at one end, after the filter cloth 9 is used for a period of time, the electric clutch 10 is in a power-on combination state, the servo motor 11 is controlled to operate, the roller 6 at the corresponding end is driven to rotate, under the transmission action of the filter cloth 9, the roller at the other end rotates in a driven way, the filter cloth section with poor permeability rotates to the roller 6 at the other end, under the guiding cooperation of the guide roller 8 and the rotation of the roller 6, the clean filter cloth segment is conveyed to the space between the filter plates at the two ends, the filter cloth 9 can be replaced without stopping the machine, and the automation of replacing the filter cloth 9, and the filter cloth 9 positioned outside the filter press can be cleaned simultaneously when the filter press operates, and the filter cloth 9 can be cleaned without stopping the filter press, thereby greatly improving the working efficiency of filter pressing.
In addition, according to the structure of the filter press of the present invention, when the adjacent movable filter plates 3 are separated, the distance between the filter cloths between the adjacent movable filter plates 3 is narrow at the top and wide at the bottom, which is beneficial to the falling of the mud cake.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (8)
1. The utility model provides a exempt from to park and change filter cloth pressure filter which characterized in that includes the frame, sets up the flexible filter pressing mechanism at frame both ends, sets up the filter cloth self-cleaning on flexible filter pressing mechanism and changes the mechanism, the drive transmission who changes the mechanism connection with filter cloth self-cleaning and the business turn over liquid device who is connected with flexible filter pressing mechanism.
2. The filter press according to claim 1, wherein the telescopic filter pressing mechanism comprises oil cylinders disposed at both sides of the frame, hollow movable filter plates are fixedly disposed on telescopic rods disposed at the oil cylinders at both sides, filter pressing grooves disposed on the surfaces of the two movable filter plates adjacent to each other and filter pressing grooves of the movable filter plates at both ends are aligned with the filter pressing chamber formed after pressing.
3. The filter press for filter cloth replacement without shutdown as claimed in claim 2, wherein the automatic filter cloth cleaning and replacing mechanism comprises rollers disposed below the movable filter plate and at both sides of the frame, a tension device disposed between the rollers and the lower end of the movable filter plate, a guide roller disposed above the movable filter plate, and filter cloths connected to the rollers, the tension device, the guide roller, and the filter pressing groove, respectively.
4. The filter press with filter cloth replacement free of parking as claimed in claim 3, wherein the number of the tension devices is two, the tension devices comprise tension rollers, connecting rods and springs, two ends of the tension rollers are hinged with the movable filter plates through the connecting rods, and the springs are connected between the middle parts of the connecting rods and the movable filter plates.
5. The filter press according to claim 3, wherein one end of the guide roller is connected to the movable filter plate at both ends via a connecting rod, and the other end of the guide roller is hinged to the movable filter plate via a connecting rod.
6. The filter press according to claim 3, wherein the driving mechanism comprises a servo motor and an electric clutch, and the servo motor is in transmission connection with the roller through the electric clutch.
7. The filter press according to claim 3, wherein the liquid inlet and outlet device comprises a liquid inlet pipe disposed between the lower ends of the movable filter plates, a slot disposed on the movable filter plates corresponding to the liquid inlet pipe, a liquid outlet hole disposed at the bottom ends of the movable filter plates, and a water outlet hose connected to the liquid outlet hole.
8. The filter press for filter cloth replacement without parking as claimed in claim 7, wherein the liquid inlet pipe is provided with a high pressure pump, and the slot is provided with an elastic sealing gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047075.1A CN113634022A (en) | 2021-09-08 | 2021-09-08 | Filter cloth replacing filter press without stopping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111047075.1A CN113634022A (en) | 2021-09-08 | 2021-09-08 | Filter cloth replacing filter press without stopping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113634022A true CN113634022A (en) | 2021-11-12 |
Family
ID=78425281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111047075.1A Pending CN113634022A (en) | 2021-09-08 | 2021-09-08 | Filter cloth replacing filter press without stopping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113634022A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286198A (en) * | 2022-08-30 | 2022-11-04 | 江苏江中集团有限公司 | Construction method for solid-liquid separation of pile foundation waste slurry box type filter press |
| CN116550021A (en) * | 2023-07-06 | 2023-08-08 | 南京宝淳新材料科技有限公司 | Filter press for removing chlorine from magnesium oxide |
-
2021
- 2021-09-08 CN CN202111047075.1A patent/CN113634022A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115286198A (en) * | 2022-08-30 | 2022-11-04 | 江苏江中集团有限公司 | Construction method for solid-liquid separation of pile foundation waste slurry box type filter press |
| CN115286198B (en) * | 2022-08-30 | 2023-09-19 | 江苏江中集团有限公司 | Construction method for solid-liquid separation of pile foundation waste slurry chamber filter press |
| CN116550021A (en) * | 2023-07-06 | 2023-08-08 | 南京宝淳新材料科技有限公司 | Filter press for removing chlorine from magnesium oxide |
| CN116550021B (en) * | 2023-07-06 | 2023-09-15 | 南京宝淳新材料科技有限公司 | Filter press for removing chlorine from magnesium oxide |
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