CN112190993A - Driving device for filter cloth of filter press - Google Patents
Driving device for filter cloth of filter press Download PDFInfo
- Publication number
- CN112190993A CN112190993A CN202011082824.XA CN202011082824A CN112190993A CN 112190993 A CN112190993 A CN 112190993A CN 202011082824 A CN202011082824 A CN 202011082824A CN 112190993 A CN112190993 A CN 112190993A
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- Prior art keywords
- filter
- cloth
- filter cloth
- drive
- shaft
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- 239000004744 fabric Substances 0.000 title claims abstract description 204
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 230000001360 synchronised effect Effects 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 239000012065 filter cake Substances 0.000 description 23
- 238000004140 cleaning Methods 0.000 description 19
- 239000010802 sludge Substances 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
-
- 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
Abstract
The invention provides a driving device for filter cloth of a filter press, the filter press comprises a plurality of filter plates, the upper and lower ends of each filter plate are provided with a first mounting frame and a second mounting frame, and the driving device comprises: the filter cloth driving shafts are correspondingly arranged on the first mounting frames, and transmission chains are respectively arranged at two ends of each filter cloth driving shaft; the main synchronous driving shaft is in transmission connection with each filter cloth driving shaft; the first cloth hanging frame and the second cloth hanging frame are used for installing filter cloth and are respectively and fixedly connected with two ends of the transmission chain; the filter cloth bypasses the positioning shaft and is fixedly connected with the first cloth hanging frame and the second cloth hanging frame respectively, so that the transmission chain, the first cloth hanging frame, the filter cloth and the second cloth hanging frame form closed-loop connection; and a drive motor for providing power; the driving device can drive corresponding filter cloth to synchronously reciprocate, so that synchronous mud discharging is realized through the movement of the filter cloth.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation, in particular to a filter press, and particularly relates to a driving device for filter cloth of the filter press.
Background
The filter press generally comprises a fixed structure, a beam, a filter plate and a filter plate pressing device which are arranged at two ends of the filter press, and a relatively closed filtering space is formed by opening, closing and pressing the filter plate, and solid-liquid separation is realized by using filter cloth at two sides of the filtering space.
For a horizontal filter press, the filter press uses a cross beam, the filter plates are vertically installed, the filter plates of the filter press move on the cross beam, and the cross beam is generally divided into a support beam on two sides and an upper suspension beam. The filter press generally adopts a hydraulic oil cylinder for compression, and a compression oil cylinder of the horizontal filter press is horizontally arranged, so that the stroke of the oil cylinder is limited, the synchronous opening and closing of the filter plates cannot be realized, the opening and closing efficiency of the filter plates is low, the mud discharging time of the filter press is longer, and the working efficiency of the filter press is low. In addition, the horizontal filter press occupies a large space.
The existing filter press usually needs manual intervention in the mud discharging process, otherwise, the mud discharging is difficult to be complete. The filter cloth of the existing filter press is usually fixed on a filter plate, and after the filter cake is formed, the filter cake is removed by opening the filter plate and matching with simple mechanical action under the action of gravity. However, since the filter cake is formed under high pressure, the filter cake and the filter cloth are generally adhered tightly, and the filter cake is difficult to be removed by self gravity, so that manual intervention is required for cake removal, which results in incomplete filter cake removal, low filter cake removal efficiency, poor filter cake removal effect, and serious influence on the next cycle.
In addition, the filter plates and the filter cloth of the filter press are more, the filter plates of the existing filter press cannot be opened and closed synchronously, the opening and closing of the filter plates are all opened and closed sequentially through the adjacent filter plates, the mud discharging and flushing period is long, and the control is complex and the efficiency is low.
Disclosure of Invention
In view of the above technical problems, the present invention is directed to a driving device for filter cloth of a filter press, which can drive the filter cloth to move for mud discharge, thereby significantly improving the efficiency of filter cake discharge and filter cloth cleaning of the filter press, and greatly enhancing the mud discharge effect and the filter cloth cleaning effect. In addition, the driving device can synchronously drive a plurality of filter cloths of the filter press to synchronously move, has high control precision and can ensure the long-term stable operation of the filter cloths.
To this end, according to the present invention, there is provided a driving device for filter cloth of a filter press including a plurality of filter plates, first and second mounting frames being fixed to upper and lower ends of the filter plates, respectively, the driving device including: the filter cloth driving shafts are correspondingly arranged on the first mounting frames, and two ends of each filter cloth driving shaft are respectively provided with a transmission chain; the main synchronous driving shaft is arranged above each filter cloth driving shaft and is in transmission connection with each filter cloth driving shaft; the cloth hanging device comprises a first cloth hanging frame and a second cloth hanging frame which are used for installing filter cloth, wherein the first cloth hanging frame and the second cloth hanging frame are respectively and fixedly connected with two ends of a transmission chain; the filter cloth is fixedly connected with the first cloth hanging frame and the second cloth hanging frame respectively by bypassing the positioning shaft, so that the transmission chain, the first cloth hanging frame, the filter cloth and the second cloth hanging frame form closed-loop connection; and a drive motor for providing power; the main synchronous driving shaft is driven by the driving motor to rotate and can drive the filter cloth driving shafts to synchronously reciprocate, and then the corresponding transmission chains are driven to synchronously reciprocate, so that the corresponding filter cloth synchronously reciprocates, and synchronous mud discharging can be realized through the movement of the filter cloth.
In one embodiment, the main synchronous driving shaft is arranged perpendicular to each filter cloth driving shaft and in the middle of each filter cloth driving shaft, and the main synchronous driving shaft and each filter cloth driving shaft are in transmission connection through a transmission gear assembly.
In one embodiment, the transmission gear assembly is a cross shaft gear assembly, the cross shaft gear assembly comprises a centripetal ball bearing seat and a first gear and a second gear which are arranged on the centripetal ball bearing seat, the first gear and the second gear are meshed with each other, the central axes of the first gear and the second gear are perpendicular to each other, the first gear is arranged on the main synchronous driving shaft, and the second gear is arranged on the filter cloth driving shaft.
In one embodiment, the second gear is fixedly connected with the filter cloth driving shaft, and the centripetal ball bearing seat is rotatably connected with the filter cloth driving shaft.
In one embodiment, chain wheels in fit connection with the transmission chains are fixedly mounted at two ends of the filter cloth driving shaft respectively, and the filter cloth driving shaft drives the transmission chains to move through the chain wheels.
In one embodiment, the primary synchronous drive shaft is a splined shaft.
In one embodiment, the first gear is fitted with the main synchronizing drive shaft, and the first gear is movable in the axial direction of the main synchronizing drive shaft.
In one embodiment, the positioning shaft is configured to have a diameter decreasing from an axial middle portion to both ends, and the cross-sectional shape of the positioning shaft is configured to be spline-shaped.
In one embodiment, the positioning shaft is provided with grooves extending spirally on the outer peripheral surface thereof, and the grooves are arranged to extend spirally from the axial middle part to the two ends respectively.
In one embodiment, a position sensor for reflecting the vertical position of the filter cloth is arranged on the transmission chain, and a linear module for reflecting the rotating position of the main synchronous driving shaft is arranged at the end part of the main synchronous driving shaft.
Compared with the prior art, the invention has the advantages that:
the driving device for the filter cloth of the filter press can drive the filter cloth to move so as to completely separate the filter cake from the filter cloth and discharge mud, and the filter cake discharging efficiency and the filter cloth cleaning efficiency of the filter press are obviously improved. And the driving device can synchronously drive corresponding filter cloth in the filter plate units of the filter press, thereby realizing the synchronous movement of the filter cloth, greatly improving the efficiency of the filter press for removing filter cakes, ensuring the long-term stable operation of the filter cloth, and having high control precision.
Drawings
The invention will now be described with reference to the accompanying drawings.
Fig. 1 shows the overall structure of a drive device for filter cloth of a filter press according to the present invention.
Fig. 2 schematically shows a connection structure of a single filter plate unit to a main synchronizing drive shaft in the drive device shown in fig. 1.
Fig. 3 shows the structure of a transmission gear assembly in the driving apparatus shown in fig. 1.
Fig. 4 schematically shows a connection structure of filter cloth between two adjacent filter plate units.
In the present application, the drawings are all schematic and are used only for illustrating the principles of the invention and are not drawn to scale.
Detailed Description
The invention is described below with reference to the accompanying drawings.
In this application, it should be noted that the horizontal direction in fig. 1 is defined as the horizontal direction, and the vertical direction is defined as the vertical direction. In addition, directional terms or qualifiers "upper", "lower", and the like as used in this application are with reference to FIG. 1 of the drawings. They are not intended to limit the absolute positions of the parts involved, but may vary from case to case.
As shown in fig. 1 and 2, the filter press comprises a plurality of filter plate units 10. As shown in fig. 2, the filter plate unit 10 includes a filter plate 11, and a first mounting frame 12 and a second mounting frame 13 are fixed to upper and lower ends of the filter plate 11, respectively. The filter plate unit 10 further comprises filter cloth 14 arranged between adjacent filter plates 11, two pieces of filter cloth 14 are arranged in a cavity formed by the plates of the adjacent filter plates 11, and the periphery of the filter cloth 14 is sealed in the peripheral frame of the filter plates 11. The material to be filter-pressed enters between the two filter cloths 14 through the feeder between the two filter cloths 14, under the filter-pressing action of the filter plate 11 of the filter press, the solid material is intercepted by the filter cloths 14 and is extruded to form a filter cake, and the liquid material enters the filtrate collecting pipeline after passing through the filter cloth 14 and is discharged. Thus, solid-liquid separation of the fed materials is realized. The driving device 100 can drive the corresponding filter cloth 14 in the plurality of filter plate units 10 to move synchronously, and the filter cloth 14 can turn over and move upwards after moving to the bottom, so that the filter cloth 14 is separated from the filter cake and the filter cake can be completely peeled off, and synchronous mud discharging is realized. In this way, it is also advantageous to carry out a comprehensive and effective cleaning of the filter cloth 14 by synchronously driving the filter cloth movement, which is very advantageous to improve the sludge discharge efficiency and the cleaning efficiency, and to enhance the sludge discharge effect and the cleaning effect.
Fig. 1 shows the overall structure of a drive device 100 for filter cloth of a filter press according to the present invention. As shown in fig. 1 and 2, the driving device 100 includes a filter cloth driving shaft 110 correspondingly mounted on the first mounting frame 11, a positioning shaft 170 correspondingly mounted on the second mounting frame 12, a first cloth hanger 150 and a second cloth hanger 160 for mounting the filter cloth 14. Two ends of the filter cloth driving shaft 110 are respectively provided with a transmission chain 120, and the filter cloth driving shaft 110 is in transmission connection with the transmission chains 120, so that the filter cloth driving shaft 110 can drive the transmission chains 120 to move. In one embodiment, chain wheels 121 are respectively disposed at both ends of the cloth driving shaft 110, and the driving chain 120 is fittingly connected to the chain wheels 121. Two ends of the first cloth hanger 150 are respectively and fixedly connected with the upper ends (upper ends in the state of fig. 1) of the two transmission chains 120, and two ends of the second cloth hanger 160 are respectively and fixedly connected with the lower ends of the two transmission chains 120. The filter cloth 14 passes around the positioning shaft 170, and the upper and lower ends of the filter cloth 14 are respectively and fixedly connected with the first cloth hanging rack 150 and the second cloth hanging rack 160. Thereby, the drive chain 120, the first cloth hanger 150, the filter cloth 14 and the second cloth hanger 160 are connected in sequence, thereby forming a closed loop connection. The filter cloth driving shaft 110 can drive the transmission chain 120 to reciprocate, so as to drive the filter cloth 14 to reciprocate, and adapt to the opening and closing of the filter plate unit 10 of the filter press to perform the sludge extruding operation and the sludge discharging operation of the filter press.
In order to ensure a smooth drive of the drive chain 120 and a smooth movement and centering of the filter cloth 14, two symmetrically arranged guide pulleys 122 are provided on the first mounting frame 12. As shown in fig. 2, the guide pulley 122 is disposed below the sprocket 121, and is disposed offset from the sprocket 121 in the lateral direction. The guide pulley 122 not only can effectively ensure the stable transmission of the transmission chain 120, but also can effectively avoid the collision and contact between the transmission chain 120 and the filter plate unit 10, thereby improving the safety performance of the transmission chain 120. In addition, in order to ensure that the filter cloth 14 can be accurately reset in the vertical direction, position sensors may be correspondingly disposed on the transmission chains 120, respectively. The position sensor is able to accurately reflect the vertical position of the filter cloth 14.
According to the invention, the drive arrangement 100 further comprises a main synchronizing drive shaft 130 for driving the respective cloth drive shaft 110 and a drive motor (not shown) for providing power. The driving motor is disposed at one end of the main synchronizing driving shaft 130 for driving the main synchronizing driving shaft 130 to rotate. The main synchronizing drive shaft 130 is disposed above each of the cloth drive shafts 110, and the main synchronizing drive shaft 130 is perpendicular to each of the cloth drive shafts 110 and is located at an axially middle position of each of the cloth drive shafts 110. A transmission connection is formed between the main synchronizing drive shaft 130 and each cloth drive shaft 110, so that the main synchronizing drive shaft 130 can simultaneously drive each cloth drive shaft 110 to synchronously rotate.
In one embodiment, a drive connection is formed between the primary synchronization drive shaft 130 and each cloth drive shaft 110 by a drive gear assembly 140. As shown in fig. 3, the transmission gear assembly 140 may employ an interleaved shaft gear assembly including a radial ball bearing seat 141 and first and second gears 142 and 143 mounted on the radial ball bearing seat 141. The first gear 142 and the second gear 143 are meshed with each other, and the central axes are perpendicular to each other. The radial ball bearing seat 141 is fixedly installed on the first installation frame 12, and the radial ball bearing seat 141 and the filter cloth driving shaft 110 form a rotary connection. The first gear 142 is mounted on the main synchronizing drive shaft 130. The second gear 143 is mounted on the filter cloth drive shaft 110 and forms a fixed connection with the filter cloth drive shaft 110. The main synchronous driving shaft 130 is driven by the driving motor to rotate and can simultaneously drive each filter cloth driving shaft 110 to rotate, and further drive the transmission chain 120 to move through the filter cloth driving shaft 110, so as to drive each filter cloth 14 to realize synchronous movement. Therefore, the filter cloth 14 between the adjacent filter plate units 10 can synchronously reciprocate, and the filter press can synchronously unload mud.
According to the invention, the primary synchronizing drive shaft 130 is configured as a splined shaft. The first gear 142 is mounted to the main synchronization driving shaft 130, the main synchronization driving shaft 130 can drive the first gear 142 to rotate, and the first gear 142 can reciprocate along the axial direction of the main synchronization driving shaft 130. Thereby, each filter plate unit 10 is connected to the main synchronizing drive shaft 130 via the first gear 142. During opening and closing of the filter plate units 10, the main synchronizing drive shaft 130 does not rotate, and the first gear 142 moves in the axial direction of the main synchronizing drive shaft 130, thereby opening or closing the adjacent filter plate units 10. In the open state of the adjacent filter plate units 10, the main synchronizing drive shaft 130 can be rotated by the drive motor and rotates the first gear 142.
In this embodiment, a linear module (not shown) for reflecting the rotation position of the main synchronous driving shaft 130 is disposed at an end of the main synchronous driving shaft 130 opposite to the driving motor, and the movement position of the main synchronous driving shaft 130 driving the filter cloth driving shaft 110 to drive the filter cloth 14 can be indirectly reflected through the linear module, so as to achieve secondary monitoring and control of the filter cloth position.
As shown in fig. 2, two positioning shafts 170 are provided on the second mounting frame 12. The two positioning shafts 170 are parallel to each other and spaced apart from each other, and the two positioning shafts 170 are arranged in a staggered manner in the horizontal direction and the vertical direction. Two pieces of filter cloth 14 are arranged between adjacent filter plate units 10, and the upper ends of the two pieces of filter cloth 14 are fixedly connected with the same first cloth hanging frame 150. Next, two adjacent filter plate units will be described as an example. Fig. 4 schematically shows a connection structure of filter cloth between two adjacent filter plate units. As shown in fig. 4, the filter press cloth 14 is in a reset state. In the first filter plate unit 10, a drive chain 120 passes around a sprocket 121 and a guide pulley 122, and has one end fixedly connected to a first cloth hanger 150 and the other end fixedly connected to a second cloth hanger 160. The lower end of the filter cloth 14 is fixedly connected with the second cloth hanger 160 by bypassing the positioning shaft 170 located relatively below, and the upper end is fixedly connected with the first cloth hanger 150, so that the movable chain 120, the first cloth hanger 150, the filter cloth 14 and the second cloth hanger 160 are sequentially connected to form a closed loop. Meanwhile, one end of another filter cloth 14 'between the first filter plate unit 10 and the adjacent second filter plate unit 10' is fixedly connected to a first cloth hanger 150 in the first filter plate unit 10, and the other end thereof is fixedly connected to a second cloth hanger 160 in the second filter plate unit 10 'by passing around another positioning shaft 170 in the second filter plate unit 10' which is located relatively above. Thus, between adjacent first and second filter plate units 10, 10 ', a space for adding the material to be filter-pressed is formed between the filter cloth 14 and the filter cloth 14'. During the process of discharging the filter cake, the transmission chain 120 in each filter plate unit drives the corresponding first cloth hanging rack 150 to synchronously move downwards, and simultaneously drives the corresponding second cloth hanging rack 160 to move upwards, so as to drive the corresponding filter cloth 14 and filter cloth 14' to move, and further, the filter cake is peeled off from the filter cloth. When the filter cloth descends to the lowest position, the filter cake on the filter cloth is completely peeled off and separated, and the filter cloth is driven to ascend again through the transmission chain 120 to reset and flatten the filter cloth. Therefore, the reciprocating motion of the filter cloth is realized, thereby adapting to the opening and closing of the filter plate and the filter cake unloading action.
According to the present invention, the positioning shaft 170 is configured such that the diameter thereof is decreased from the axial middle portion to both ends, and the cross-sectional shape of the positioning shaft 170 is provided in a spline shape. This structure of the positioning shaft 170 enables to maintain the relative centering of the filter cloth 14 without a serious deviation during the reciprocating motion of the filter cloth 14, and facilitates the cake discharge during the descending motion of the filter cloth 14. The positioning shaft 170 has grooves extending spirally from the outer peripheral surface thereof, and the grooves are arranged to extend spirally from the axial center portion to both ends thereof. This groove structure of the positioning shaft 170 enables an effective flattening of the filter cloth 14 during the resetting of the filter cloth 14. Meanwhile, the structure of the positioning shaft 170 can significantly enhance the cleaning effect of the filter cloth in the cleaning process of the filter cloth 14.
In this embodiment, the two ends of the positioning shaft 170 are respectively provided with a positioning boss made of wear-resistant plastic, and the filter cloth can be further limited not to be excessively deviated by the positioning bosses. In addition, a cleaning water pipe is further provided on the second mounting bracket 12, and the cleaning water pipe is provided below the positioning shaft 170. The cleaning water pipe is provided with a plurality of high-pressure cleaning nozzles which are uniformly distributed at intervals, and the nozzle direction of the high-pressure cleaning nozzles is arranged to be right opposite to the positioning shaft 170 which is far away from the filter plate 11. During cleaning, the filter cloth 14 reciprocates and is flattened and spread under the action of the positioning shaft 170, and meanwhile, the high-pressure cleaning nozzle sprays cleaning liquid to the part of the filter cloth 14 surrounding the positioning shaft 170 for cleaning. The high pressure cleaning spray head in combination with the positioning shaft 170 can effectively clean the filter cloth 14 during movement thereof.
In the operation of the driving device 100 for filter cloth of a filter press according to the present invention, the main synchronous driving shaft 130 rotates under the action of the driving motor and drives the corresponding filter cloth driving shafts 110 to rotate simultaneously through the transmission gear assemblies 140, so that each filter cloth driving shaft 110 drives the corresponding transmission chain 120 to move, and the transmission chain 120 drives the first cloth hanging frame 150 and the second cloth hanging frame 160 to move up and down, so as to drive the corresponding filter cloth 14 seat in each filter plate unit 10 to move up and down and around, thereby realizing the synchronous movement of the filter cloth. The driving motor is controlled to rotate in the direction, and accordingly the reverse reset motion of the filter cloth 14 can be realized. Therefore, the filter cloth 14 between the adjacent filter plate units 10 synchronously reciprocates, so that the filter press synchronously extrudes sludge and synchronously unloads the sludge, the filter press is ensured to quickly unload filter cakes, and the sludge unloading efficiency of the filter press is greatly improved.
The driving device 100 for the filter cloth of the filter press can drive the filter cloth to move so as to completely separate the filter cake from the upper surface of the filter cloth for mud discharge, thereby remarkably improving the filter cake discharge efficiency and the filter cloth cleaning efficiency of the filter press. And the driving device 100 can synchronously drive the corresponding filter cloth 14 in the filter plate unit 10 of the filter press, thereby realizing the synchronous movement of the filter cloth 14, greatly improving the efficiency of the filter press for removing filter cakes, ensuring the long-term stable operation of the filter cloth 14, along with high control precision.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. 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 (10)
1. A drive device for filter cloth of a filter press, the filter press comprising a plurality of filter plates (10), the upper and lower ends of the filter plates being respectively fixed with a first mounting frame (11) and a second mounting frame (12), characterized in that the drive device comprises:
the filter cloth driving shafts (110) are correspondingly arranged on the first mounting frames, and two ends of each filter cloth driving shaft are respectively provided with a transmission chain (120);
a main synchronous drive shaft (130) arranged above each filter cloth drive shaft, wherein the main synchronous drive shaft and each filter cloth drive shaft form transmission connection;
the cloth hanging device comprises a first cloth hanging frame (150) and a second cloth hanging frame (160) for mounting filter cloth, wherein the first cloth hanging frame and the second cloth hanging frame are respectively and fixedly connected with two ends of a transmission chain;
the filter cloth bypasses the positioning shaft and is fixedly connected with the first cloth hanging frame and the second cloth hanging frame respectively, so that the transmission chain, the first cloth hanging frame, the filter cloth and the second cloth hanging frame form closed-loop connection; and a drive motor for providing power;
the main synchronous driving shaft is driven by the driving motor to rotate and can drive the filter cloth driving shafts to synchronously reciprocate, and then the corresponding transmission chains are driven to synchronously reciprocate, so that the corresponding filter cloth synchronously reciprocates, and synchronous mud discharging can be realized through the movement of the filter cloth.
2. A drive arrangement for filter press cloths as claimed in claim 1, wherein the main synchronizing drive shaft is arranged perpendicular to and centrally in the filter cloth drive shafts, the main synchronizing drive shaft being in driving connection with the filter cloth drive shafts via a drive gear assembly (140).
3. The driving device for filter press cloth according to claim 2, wherein the transmission gear assembly employs an alternating axis gear assembly, the alternating axis gear assembly includes a centripetal ball bearing seat (141) and a first gear (142) and a second gear (143) mounted on the centripetal ball bearing seat, the first gear and the second gear are engaged with each other and have central axes perpendicular to each other,
the first gear is arranged on the main synchronous driving shaft, and the second gear is arranged on the filter cloth driving shaft.
4. The drive device for filter press cloth according to claim 3, wherein the second gear is fixedly connected to the filter cloth drive shaft, and the centripetal ball bearing seat is rotatably connected to the filter cloth drive shaft.
5. The driving device for filter press cloth according to any one of claims 1 to 4, wherein chain wheels (121) engaged with the driving chains are fixedly installed at both ends of the filter cloth driving shaft, respectively, and the filter cloth driving shaft drives the driving chains to move through the chain wheels.
6. The drive arrangement for filter press cloth according to claim 4, wherein the primary synchronous drive shaft is a splined shaft.
7. The drive arrangement for filter press cloth according to claim 6, wherein said first gear is mounted in a manner to be fitted to said main synchronizing drive shaft and is movable in the axial direction of said main synchronizing drive shaft.
8. The drive device for filter press cloth according to claim 1, wherein the positioning shaft is configured such that the diameter decreases from the axial middle portion to both ends, and the cross-sectional shape of the positioning shaft is arranged in a spline shape.
9. The drive device for filter press cloth according to claim 8, wherein the positioning shaft is provided at its outer peripheral surface with grooves extending spirally, the grooves being arranged to extend spirally from an axially central portion to both ends in a forward spiral shape and in a reverse spiral shape, respectively.
10. The driving device for filter press cloth according to claim 1, wherein a position sensor for reflecting the vertical position of the filter cloth is provided on the transmission chain, and a linear module for reflecting the rotational position of the main synchronous driving shaft is provided at the end of the main synchronous driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082824.XA CN112190993A (en) | 2020-10-12 | 2020-10-12 | Driving device for filter cloth of filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011082824.XA CN112190993A (en) | 2020-10-12 | 2020-10-12 | Driving device for filter cloth of filter press |
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| CN112190993A true CN112190993A (en) | 2021-01-08 |
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| CN202011082824.XA Pending CN112190993A (en) | 2020-10-12 | 2020-10-12 | Driving device for filter cloth of filter press |
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| CN206262213U (en) * | 2016-11-23 | 2017-06-20 | 环驰云和钢球有限公司 | A kind of continuous filter unit |
| CN107019943A (en) * | 2017-05-22 | 2017-08-08 | 株洲天合天颐环境设备有限公司 | A kind of filter press |
| CN208193780U (en) * | 2018-04-02 | 2018-12-07 | 杭州兴源环保设备有限公司 | Filter cloth automatically walk cleans filter press |
| CN108553959A (en) * | 2018-04-17 | 2018-09-21 | 上海仁创环境科技有限公司 | A kind of van-type board and frame machine and its cleaning method that polylith filter cloth cleans simultaneously |
| CN209475736U (en) * | 2019-01-16 | 2019-10-11 | 恒盛能源股份有限公司 | A kind of desulfurized gypsum dehydration belt feeder |
| CN210528746U (en) * | 2019-07-10 | 2020-05-15 | 江苏思科尼恩环保科技有限公司 | Double-roller counter-pressure sludge dewatering equipment |
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