CN111617527B - Vertical sludge press filter - Google Patents
Vertical sludge press filter Download PDFInfo
- Publication number
- CN111617527B CN111617527B CN202010382753.9A CN202010382753A CN111617527B CN 111617527 B CN111617527 B CN 111617527B CN 202010382753 A CN202010382753 A CN 202010382753A CN 111617527 B CN111617527 B CN 111617527B
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- Prior art keywords
- connecting plate
- guide rod
- filter
- limiting
- mud
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- 239000010802 sludge Substances 0.000 title claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 90
- 238000007790 scraping Methods 0.000 claims abstract description 60
- 238000011010 flushing procedure Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000011085 pressure filtration Methods 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
-
- 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
- B01D25/38—Removal of the filter cakes by moving parts, e.g. scrapers, contacting stationary filter elements sprayers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The utility model provides a vertical mud pressure filter, includes the frame and sets up the filter-pressing subassembly in the frame, and the filter-pressing subassembly includes: two or more than two pressure filtration cylinders which are overlapped are arranged, and a connecting plate which is flexibly connected with the pressure filtration cylinders is arranged above the pressure filtration cylinders; the limiting guide rod penetrates through each connecting plate, is fixed with the rack and can rotate around the axis of the rack, a limiting part positioned above each connecting plate is arranged on the limiting guide rod, and the limiting guide rod can rotate between a limiting position formed by the limiting part and the connecting plate and a position formed by mutually staggering; the guide rod rotary driving unit drives the limiting guide rod to rotate through the rack transmission assembly, the rack transmission assembly comprises a gear arranged on the limiting guide rod and a rack connected with the guide rod rotary driving unit, the rack is meshed with the gear, and the moving direction of the rack is perpendicular to the limiting guide rod; the connecting plate is provided with a flushing module and/or a mud scraping module. The invention can ensure the consistency of the thickness and the water content of the sludge cake after filter pressing.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a vertical sludge press filter.
Background
The filter press is a device for deep dehydration of sludge by adopting a filter pressing process, and the raw sludge can form mud cakes with lower water content after being dehydrated by the filter press. Considering the daily productivity and economical efficiency of the sludge press filter, many sludge press filter equipment manufacturers begin to adopt a multi-layer press filter method to increase the yield and efficiency. The horizontal filter press is a common multi-layer filter press and is provided with a plurality of filter pressing cylinders which are sequentially stacked along the horizontal direction, but due to the influence of the gravity of sludge, the sludge can downwards sediment in the filter pressing cylinders, so that the lower part of a mud cake in the filter pressing cylinders is thicker, the upper part of the mud cake is thinner, namely the condition that the water contents of different positions of the same mud cake are inconsistent is caused, and the horizontal filter press also has the problem of occupied area.
Disclosure of Invention
The invention aims to provide a vertical sludge filter press which can ensure consistency of water content of mud cakes.
In order to achieve the above object, the present invention adopts the following technical solutions:
the utility model provides a vertical mud pressure filter, includes the frame and set up in filter-pressing subassembly in the frame, filter-pressing subassembly includes: the device comprises two or more than two filter pressing cylinders which are overlapped, wherein a connecting plate connected with the filter pressing cylinders is arranged above the filter pressing cylinders, and the connecting plate is flexibly connected with the filter pressing cylinders; the limiting guide rods penetrate through each connecting plate, are fixed with the frame and can rotate around the axis of the frame, limiting parts positioned above each connecting plate are arranged on the limiting guide rods, the distances between two upper and lower adjacent limiting parts are equal, and the limiting guide rods can rotate between the limiting parts and the connecting plates to form limiting positions and mutually staggered positions; the guide rod rotary driving unit drives the limiting guide rod to rotate through a rack transmission assembly, the rack transmission assembly comprises a gear arranged on the limiting guide rod and a rack connected with the guide rod rotary driving unit, the rack is meshed with the gear, and the moving direction of the rack is perpendicular to the limiting guide rod; the device comprises a connecting plate, a flushing module and/or a mud scraping module, wherein the flushing module and/or the mud scraping module is/are arranged on the connecting plate and fixedly installed through a mounting frame connected with the connecting plate, and a conveying belt driving roller for driving a conveying belt to move is arranged on the mounting frame; the flushing module comprises a brush and a high-pressure flushing pipe, wherein the brush and the high-pressure flushing pipe are arranged on the mounting frame through a rotating shaft, the brush can rotate around the axis of the rotating shaft, and the rotating shaft and the high-pressure flushing pipe are arranged along the width direction of the conveying belt; the mud scraping module comprises a mud scraping carrier roller arranged on the mounting frame and a mud scraping knife arranged beside the mud scraping carrier roller, wherein the mud scraping carrier roller is positioned before the driving roller of the conveying belt in the moving direction of the outwards conveying mud cake of the conveying belt, and the mud scraping knife is parallel to the mud scraping carrier roller.
Furthermore, a limit part clearance gap for the limit part to pass through is arranged on the connecting plate, and the limit guide rod can rotate between the position of the limit part and the position of the limit part clearance gap aligned or staggered with each other.
Furthermore, the number of the limit guide rods is even and the limit guide rods are symmetrically arranged, the two limit guide rods are driven to rotate by one guide rod rotation driving unit, racks corresponding to each limit guide rod are connected through a connecting rod, and the guide rod rotation driving unit is connected with one of the racks; or the two limit guide rods are driven to rotate by a guide rod rotation driving unit, the guide rod rotation driving unit is a double-head oil cylinder, and hydraulic rods of the double-head oil cylinder are respectively connected with racks corresponding to the limit guide rods.
Further, the guide rod rotary driving unit is a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with the rack, and the limiting part of the connecting plate is a protruding structure protruding out of the outer wall of the limiting guide rod.
Further, the device also comprises a fixing frame, wherein the fixing frame is arranged at the top of the frame, the top end of the limiting guide rod is connected with the fixing frame through a bearing, and the bottom end of the limiting guide rod is connected with the base of the frame through a bearing; the guide rod rotation driving unit is arranged on the fixing frame, and the gear is arranged at the top of the limiting guide rod.
Further, the mounting frame is provided with a flushing module and a mud scraping module, and the conveying belt is wound on the conveying belt driving roller after bypassing the mud scraping carrier roller.
Further, still including set up in the back-up roll on the mounting bracket, the back-up roll is located the side of connecting plate, the conveyer belt is walked around the back-up roll, roll in on the conveyer belt drive roller.
Further, still including set up in the back-up roll on the mounting bracket, the back-up roll is located the side of connecting plate and set up the height with the connecting plate upper surface corresponds the parallel and level, scrape the mud bearing roller and be located the outside of back-up roll, the conveyer belt walk around the back-up roll with scrape the mud bearing roller, roll in on the conveyer belt drive roller.
Further, the high-pressure shower pipe comprises a first high-pressure shower pipe and a second high-pressure shower pipe, wherein the first high-pressure shower pipe is positioned above the driving roller of the conveying belt, and the second high-pressure shower pipe is positioned below the driving roller of the conveying belt.
Further, a water outlet groove extending along the axial direction of the high-pressure shower pipe is arranged on the pipe wall of the high-pressure shower pipe, and the length of the water outlet groove corresponds to the width of the conveying belt.
Further, the device also comprises a locking oil cylinder arranged on the connecting plate, the bottom of the pressure filtration cylinder wall is provided with a flange protruding outwards along the radial direction, and the locking oil cylinder can be buckled on the flange of the pressure filtration cylinder wall.
According to the technical scheme, the sludge filter press adopts the vertical structure, the filter pressing cylinders which are horizontally arranged can avoid the condition that the water contents of the filter pressing cylinders which are vertically arranged are inconsistent at different heights of mud cakes, and the occupied area can be reduced due to the structure of vertically stacking the filter pressing cylinders; the limiting guide rod is arranged to guide the movement of the connecting plates, so that the pressure imbalance of the hydraulic cylinders can be overcome, the connecting plates of all layers are prevented from inclining in the moving process, the perpendicularity and parallelism of all layers of filter cylinders in the filter pressing process are ensured, the sludge is prevented from leaking outwards, and the frame explosion phenomenon is avoided; meanwhile, the spacing part on the spacing guide rod can limit the distance between the connecting plates during mud feeding, so that the mud feeding amount of each laminated filter cylinder is kept consistent, the influence of the gravity of each laminated filter cylinder of the filter press is eliminated, the thickness of mud cakes in different laminated filter cylinders is consistent after filter pressing, and the water content is consistent within the design range. The guide rod rotation driving unit drives the limit guide rod to rotate through the transmission structure of the rack and the gear, has a simple structure and stable transmission, and is beneficial to ensuring the reliability of the working state of the filter press. The connecting plate of the invention is also integrated with the mud scraping module and/or the flushing module, so that the connecting plate has the mud cleaning function of scraping and/or flushing the conveyor belt, the modular structural design does not increase the assembly difficulty of the filter press, but enriches the functions of the connecting plate, the mud scraping module and/or the flushing module can flush and discharge mud on the conveyor belt in time, the drain hole blockage caused by the accumulation of mud on the conveyor belt is prevented, the water content of mud filter pressing is reduced, the mud filter pressing effect is improved, the filter pressing time is shortened, the filter pressing efficiency is improved, meanwhile, the manual operation is not needed, and the economy is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the following description will briefly explain the embodiments or the drawings required for the description of the prior art, it being obvious that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a guiding and limiting assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a connecting plate according to an embodiment of the present invention;
fig. 4 is an assembly schematic diagram of the mud scraping module, the flushing module and the connecting plate according to the embodiment of the invention.
The following describes the embodiments of the present invention in further detail with reference to the drawings.
Detailed Description
In describing embodiments of the present invention in detail, the drawings showing the structure of the device are not to scale locally for ease of illustration, and the schematic illustrations are merely examples, which should not limit the scope of the invention. It should be noted that the drawings are in simplified form and are not to scale precisely, but rather are merely intended to facilitate and clearly illustrate the embodiments of the present invention.
As shown in fig. 1, the vertical filter press comprises a frame consisting of a frame 1 and a base 2, wherein the frame 1 is arranged on the base 2, a hydraulic press 3 is arranged at the top of the frame 1, and a filter pressing assembly is arranged on the base 2 of the frame. The filter pressing assembly mainly comprises a pressing plate, a filter plate and a filter pressing cylinder 4 (figure 3), the filter pressing assembly of the vertical filter press is provided with a plurality of filter pressing cylinders which are stacked together along the vertical direction, each filter pressing cylinder is correspondingly provided with a set of filter plate, the pressing plate, a filter cloth, a filter screen and other assemblies, the pressing plate is arranged in the filter pressing cylinder and can reciprocate in the filter pressing cylinder along the axial direction of the filter pressing cylinder, so that sludge in the filter pressing cylinder is pressed and filtered, and mud cakes are formed. The piston rod of the hydraulic press 3 is connected with a top plate 5, the top plate 5 is connected with a connecting plate 6 positioned at the uppermost part in the filter pressing assembly, and the top plate 5 can move up and down under the action of the hydraulic press 3, so that the connecting plate (and a pressing plate connected with the connecting plate) is further driven to move together.
The internal cavity of the filter bowl 4 forms a filter chamber containing sludge. The filter pressing cylinder 4 can adopt a structure of side mud feeding or a structure of traditional center mud feeding. For convenience of description, in the following description, a side to which a moving direction of the pressing plate moves to press sludge is defined as downward, i.e., the pressing plate moves downward to press sludge, and a side to which the moving direction of the pressing plate moves away from the sludge cake is defined as upward, i.e., the pressing plate moves upward away from the sludge cake. Adjacent filter-pressing cylinders 4 are separated by connecting plates 6, each connecting plate 1 corresponds to the bottom plate of the filter-pressing cylinder 4 above the connecting plate, and the filter-pressing cylinder 4 is placed on the connecting plate 6 below the connecting plate and supported by the connecting plate 6. A plurality of drain holes 6a (fig. 3) are processed on the connecting plate 6, and meanwhile, the filter plate is provided with a function, a conveying belt (in order to conveniently display the structure of the connecting plate, the conveying belt is not shown in the figure) is positioned on the connecting plate 6, the conveying belt is of a porous filter screen structure, filtrate generated in the filter pressing process of sludge is conveniently discharged through holes in time, and the conveying belt can play a role of filter cloth while playing a role of conveying. Each connecting plate 6 is flexibly connected with the filter pressing cylinder 4 positioned below the connecting plate 6, namely, the distance between the connecting plate 6 and the filter pressing cylinder 4 is not fixed, the connecting plate 6 and the filter pressing cylinder 4 positioned below the connecting plate can be mutually close during filter pressing, and can be mutually far away during mud unloading. The connection structure between the connection plate 6 and the press cylinder 4 may be a structure disclosed in the 201910252471.4 patent application, and will not be described here again.
The frame is provided with a guiding and limiting assembly for guiding and limiting the connecting plate 6. As shown in fig. 1 and 2, the guide limit assembly of the present embodiment includes a limit guide rod 7, a guide rod rotation driving unit 8, a rack gear assembly 9, and a fixing frame 10. Through holes (not shown) corresponding to the limit guide rods 7 are formed in the connecting plates 6, so that the limit guide rods 7 can penetrate through the through holes in the connecting plates 6, and the limit guide rods 7 penetrate through all the connecting plates 6 in the filter pressing assembly. In the embodiment, 4 limit guide rods 7 are arranged on the frame and are respectively positioned at four corner positions of the connecting plate 6, and the limit guide rods 7 are arranged parallel to the axial direction of the filter pressing cylinder 4. In other embodiments, 2 limit guide rods or 3 limit guide rods can be provided, and the number of the limit guide rods is correspondingly set according to actual conditions. The fixing frame 10 of this embodiment is disposed at the top of the frame 1, the top end of the limit guide rod 7 is connected with the fixing frame 10 through a bearing, the bottom end is connected with the base 1 through a bearing, and the limit guide rod 7 can rotate around its own axis. A plurality of limiting parts 7a are arranged on the limiting guide rod 7 along the axial direction at intervals, and the limiting parts 7a in the embodiment are limiting pins protruding out of the surface of the limiting guide rod 7. A connecting plate 6 is arranged between every two adjacent limiting parts 7a in the axial direction of the limiting guide rod, the connecting plate 6 can only move between the two limiting parts 7a, the spacing between the adjacent limiting parts in the axial direction of the limiting guide rod is the same, and therefore the moving range of each connecting plate in the axial direction is the same. The limit parts 7a on the same height position of the limit guide rod 7 can be arranged one or more, and when more than one limit part 7a is arranged, the limit parts 7a can be uniformly arranged at intervals along the circumferential direction of the limit guide rod 7. The through hole of the connecting plate 6 is provided with a limit part avoidance hole (not shown) corresponding to the limit part 7a, when the limit guide rod 7 rotates to a certain angle, the limit part 7a is aligned with the limit part avoidance hole on the through hole, the limit part 7a can be accommodated in the limit part avoidance hole of the connecting plate 6 and can move through the limit part avoidance hole, so that the limit on the vertical direction of the connecting plate 6 is released, and the connecting plate 6 can move along the limit guide rod 7. The limiting part 7a is used for limiting the position of the connecting plate 6 of each layer in the vertical direction, and when the connecting plate 6 moves upwards under the drive of the hydraulic machine 3 to be in contact with the limiting part 7a, the connecting plate 6 cannot move upwards any more. Because the distance between the adjacent limiting parts 7a in the axial direction is equal, the upward moving distance of the connecting plates 6 is the same, so that the equal mud feeding amount of the filter pressing cylinder can be ensured, and the thickness of mud cakes formed after filter pressing can be kept to be better consistent.
The guide rod rotation driving unit 8 is arranged on the fixing frame 10 and drives the limit guide rod 7 to rotate through the rack transmission assembly 9. The rack gear assembly 9 comprises a gear 9-1 arranged on the limit guide rod 7 and a rack 9-2 connected with the guide rod rotary driving unit 8, and the gear 9-1 is meshed with the rack 9-2. The guide rod rotation driving unit 8 of the present embodiment is a hydraulic cylinder, the rack 9-2 is connected to a piston rod of the hydraulic cylinder, and when the hydraulic cylinder is operated, the rack 9-2 moves together with the piston rod. The moving direction of the rack 9-2 is perpendicular to the axis of the limit guide rod 7, and when the rack 9-2 moves, the limit guide rod 7 is driven to rotate by the gear 9-1 meshed with the rack 9-2. One limit guide rod 7 can be controlled to rotate by one guide rod rotation driving unit 8 through a rack transmission assembly 9, but in order to simplify the structure and reduce the cost, the two limit guide rods 7 arranged on the same fixing frame 10 are controlled to rotate by one guide rod rotation driving unit 8 through two groups of rack transmission assemblies 9 by arranging one connecting rod 11. Two ends of the connecting rod 11 are respectively connected with the two racks 9-2, and when the guide rod rotation driving unit 8 drives one of the racks 9-2 to move, the connecting rod 11 connected with the two racks can drive the other rack 9-2 to move, so that the two limit guide rods 7 are synchronously controlled to rotate.
Through setting up the direction gag lever post that runs through each connecting plate, can guarantee that the depth of parallelism between each lamination filter jar is in the design requirement scope, guarantee simultaneously that the straightness that hangs down of jar wall for the base plane of pressure filter jar also is in the design requirement scope to the pressure filter can not appear the slope and explode the frame and reveal the phenomenon at actual filter-pressing in-process pressure filter jar. The setting height of the limiting parts limiting the same connecting plate on each limiting guide rod is the same, the limiting parts can limit the movement of the connecting plate in the axial direction, the consistency of mud feeding spaces of all the pressure filter cylinders of the sludge filter press is realized, the mud feeding amount is consistent, and the thickness and the water content of mud cakes after the filter pressing are consistent.
As shown in fig. 3 and 4, the connection board 6 of the present embodiment is integrated with a flushing module 12 and a mud scraping module 13, the flushing module 12 and the mud scraping module 13 are disposed at the same end of the connection board 6, a mounting frame 14 is disposed at one end of the connection board 6, the mounting frame 14 is connected with the connection board 6 through threaded fasteners such as screws and bolts, and the flushing module 12 and the mud scraping module 13 are fixedly mounted through the mounting frame 14. The rinse module 12 of this embodiment includes a brush 12-1 and a high pressure shower tube. Preferably, this embodiment still is provided with the back-up roll 15 on mounting bracket 14, and the height of back-up roll 15 and the upper surface parallel and level of connecting plate 6, back-up roll 15 can play the effect of holding up the conveyer belt to avoid the conveyer belt to press down the conveyer belt because of the action of gravity when leaving connecting plate 6, thereby lead to the conveyer belt to lead to the edge friction contact of conveyer belt and connecting plate and mounting bracket to cause wearing and tearing.
The conveyer belt drive roller 16 is arranged on the mounting frame 14, the end part of the conveyer belt is wound on the conveyer belt drive roller 16, the conveyer belt drive roller 16 can rotate around the axis of the conveyer belt drive roller 16 under the action of a motor or a hydraulic cylinder and other drive units 17, and the conveyer belt can be driven to move when the conveyer belt drive roller 16 rotates, so that the conveyer belt carries mud cakes to carry outwards or the conveyer belt is reset after the mud discharging is completed, and the conveyer belt can be wound on the conveyer belt drive roller 16. The carrier roller 15 and the belt driving roller 16 are parallel to each other, and are disposed along the width direction of the belt (the direction perpendicular to the moving direction of the belt).
The brush 12-1 is mounted on the mounting frame 14 through a rotating shaft (not shown) and is rotatable about the axis of the rotating shaft, and the brush 12-1 brushes the conveyor belt when rotated to clean out the sludge attached to the conveyor belt. The high pressure shower pipe is connected to an external high pressure water source, and in this embodiment, two high pressure shower pipes are provided on the mounting rack 14: the first high-pressure shower pipe 12-2 and the second high-pressure shower pipe 12-3, wherein the first high-pressure shower pipe 12-2 is located above the conveyor belt driving roller 16, the second high-pressure shower pipe 12-3 is located below the conveyor belt driving roller 16, and the two high-pressure shower pipes can wash the front surface and the back surface of the conveyor belt respectively. The brush and the high-pressure shower pipe are arranged parallel to the width direction of the conveying belt (the direction perpendicular to the moving direction of the conveying belt). Preferably, a water outlet groove (not shown) axially arranged along the high-pressure shower pipe is processed on the high-pressure shower pipe, and the length of the water outlet groove corresponds to the width of the conveying belt, so that the flushing range of the high-pressure shower pipe can completely cover the whole width of the conveying belt, and the conveying belt is comprehensively flushed. The number of the high-pressure shower pipes can be changed correspondingly according to the needs, for example, only one high-pressure shower pipe is arranged, or more than 2 high-pressure shower pipes are arranged. The brush is matched with the high-pressure shower pipe to flush the conveying belt, so that the sludge on the conveying belt is flushed more cleanly, the holes on the conveying belt cannot be blocked, and meanwhile, the water consumption is saved, and the device is economical and environment-friendly.
The mud scraping module 13 comprises a mud scraping cutter 13-1 and a mud scraping carrier roller 13-2, the mud scraping cutter 13-1 is arranged at the side of the mud scraping carrier roller 13-2 and is used for scraping mud on a conveying belt wound on the mud scraping carrier roller 13-2, and when the conveying belt moves along with the rotation of the conveying belt driving roller 16, the mud scraping cutter 3-1 can scrape down the mud on the conveying belt. The mud scraping carrier roller 3-2 is located at the outer side of the supporting carrier roller 15 (i.e. the supporting roller 15 is closer to the connecting plate 6 relative to the mud scraping carrier roller 13-2), and the conveying belt driving roller 16 is located after the mud scraping carrier roller 13-2 in the moving direction of the conveying belt for outwards conveying mud cakes, i.e. the conveying belt for outwards conveying mud cakes passes through the mud scraping carrier roller 13-2 and then is wound on the conveying belt driving roller 16. The conveyer belt driving roller 16 of the embodiment is arranged below the mud scraping carrier roller 13-2, and the conveyer belt is wound on the conveyer belt driving roller 16 after bypassing the carrier roller 15 and the mud scraping carrier roller 13-2. Through setting up and scraping mud bearing roller as transition part, scrape the mud sword and clear up the conveyer belt of coiling on scraping mud bearing roller, but not handle the conveyer belt of coiling on the conveyer belt drive roller, can avoid behind the multilayer conveyer belt is coiled on the conveyer belt drive roller, because the conveyer belt layer number increases and lead to scraping mud sword and conveyer belt interval to change and lead to scraping mud sword to scrape and damage the condition emergence that conveyer belt or drive roller can not normally work.
Preferably, the fixing position of the mud scraper 13-1 on the mounting frame 14 is adjustable, for example, a waist-shaped hole is formed on the mounting frame 14, and the mud scraper 13-1 is fixed on the mounting frame 14 through the cooperation of a fastener such as a bolt and the waist-shaped hole. The installation position of the mud scraping knife 13-1 is adjustable, so that the distance between the mud scraping knife and the mud scraping carrier roller can be conveniently adjusted, on one hand, the mud scraping effect can be guaranteed, and on the other hand, the damage to the conveying belt caused by scraping of the mud scraping knife can be avoided.
The mud scraping module and the cleaning module can be arranged on one side of the connecting plate, and the mud scraping module and/or the cleaning module can be arranged on two opposite sides of the connecting plate. When the mud scraping module and/or the cleaning module are/is arranged on one side of the connecting plate, the driving roller of the conveying belt is only arranged on the other opposite side so as to realize the advancing and resetting of the conveying belt; further, a brush may be provided beside the conveyor driving roller.
The connecting plates 6 adjacent to each other up and down are flexibly connected through the connecting bolts 18, and the lengths of the connecting bolts 18 are the same, so that the parallelism of the connecting plates adjacent to each other up and down during separating and discharging mud can be ensured. After the press filtration is finished, the upper adjacent connecting plates and the lower adjacent connecting plates can be smoothly separated through connecting bolts, so that the sludge unloading work after the sludge press filtration is finished is facilitated. The number and strength of the connecting bolts are determined according to the required bearing of the connecting bolts. Preferably, a locking oil cylinder 19 is further arranged on the connecting plate 6, a flange protruding outwards along the radial direction is arranged at the bottom of the cylinder wall of the filter pressing cylinder 4, and the locking oil cylinder 19 can be buckled on the flange of the cylinder wall of the filter pressing cylinder 4, so that the tightness between the bottom of the filter pressing cylinder and a conveyer belt positioned below the bottom of the filter pressing cylinder can be improved through the locking oil cylinder 19, and the situation that the sealing between the filter pressing cylinder and the conveyer belt is not tight to cause explosion and sludge leakage is avoided. The number and the installation position of the locking cylinders can be adjusted according to the requirement.
The operation of the filter press assembly of the present invention in the filter press condition and in the sludge discharge condition is further described below.
When mud is fed, the guide rod rotary driving unit 8 drives the guide limiting rod 7 to rotate through a transmission structure formed by the rack 9-2 and the gear 9-1, so that the limiting part 7a rotates to a position staggered from a gap of the limiting part on the connecting plate; then the hydraulic press 3 acts to drive each connecting plate 6 to move upwards, and the connecting plates 6 simultaneously drive the filter pressing cylinders 4 to move upwards together; when each layer of connecting plates 6 moves upwards to be in contact with the corresponding limiting part 7a on the guide limiting rod 7, the connecting plates can be blocked by the limiting part 7a and cannot move upwards continuously, and the distance between the adjacent limiting parts 7a in the axial direction is equal, so that the distance between the upper connecting plates 6 and the lower connecting plates 6 is controlled to be equal, and the mud feeding amount in the filter pressing cylinder 4 is ensured to be consistent.
After the mud feeding is completed, the hydraulic press 3 drives the connecting plate 6 to move downwards, and in the moving process of the connecting plate 6, the guide limiting rods 7 are fixed with the frame and penetrate through each layer of connecting plate 6, so that the movement of the connecting plate 6 in the vertical direction can be guided and limited, the movement of the connecting plate 6 is kept consistent, and the perpendicularity and parallelism of a filter pressing cylinder positioned on the connecting plate in the filter pressing process can be ensured to be within a design range; when in filter pressing, each layer of connecting plate 6 drives the pressing plate connected with the connecting plate to move downwards together, so that the pressing plate extrudes and dewaters sludge in the filter pressing cylinder 4, the connecting plate 6 simultaneously transmits pressure to the filter pressing cylinder 4 connected with the connecting plate, the filter pressing cylinder 4 continuously transmits pressure to the connecting plate 6 below the connecting plate, the connecting plate 6 continuously transmits pressure to the pressing plate connected with the connecting plate and the filter pressing cylinder 4 below the connecting plate, and the like, the pressure of each layer continuously acts on the connecting plate of the next layer, the working pressure of the hydraulic cylinder acts on each filter pressing cylinder and the pressing plate of the filter press from top to bottom in sequence to carry out filter pressing action, and thus, each filter pressing cylinder completes filter pressing.
After the press filtration is completed, in the state of discharging mud, the guide rod rotary driving unit 8 drives the guide limiting rod 7 to rotate through the cooperation of the rack 9-2 and the gear 9-1, the limiting part 7a rotates to a position aligned with a limit part avoidance gap on the connecting plate, limiting on the connecting plate 6 is relieved, the hydraulic press 3 sequentially drives each layer of connecting plate 6 to move upwards, the pressing plate leaves the dehydrated mud cake, the press filtration cylinder 4 leaves the connecting plate 6 below the press filtration cylinder, after moving in place, the conveying belt on the connecting plate 6 moves under the action of the conveying belt driving roller 16, the mud cake moves outwards along with the conveying belt to discharge mud, in the process of rolling the conveying belt to the conveying belt driving roller 16, the mud scraping knife 13-1 scrapes down the mud attached to the conveying belt by using high-pressure spray pipes, the brush 12-1 is matched with the high-pressure water to brush the conveying belt, the mud is prevented from being attached to the conveying belt, the blocking of the conveying belt caused by accumulation of the mud on the conveying belt is prevented, the filter filtration time and the filter filtration efficiency are reduced, the press filtration efficiency is reduced, and the water content is reduced, and the press filtration time and the press filtration effect is improved.
Of course, the technical concept of the present invention is not limited to the above embodiment, and a plurality of different specific schemes can be obtained according to the concept of the present invention, for example, racks of two guide rods in the present embodiment are connected by a connecting rod, and when a long rack can also be used, the long rack can be simultaneously meshed with gears on the two guide rods, so as to realize the rotation of the two guide rods simultaneously, or a double-head oil cylinder is disposed between the two racks, and one oil cylinder drives the two racks to move simultaneously; the position of the gear on the guide rod can be correspondingly changed according to the requirement; the limiting part protrudes out of the outer wall of the guide rod, and can be of a protruding structure which is integrally made with the guide rod, or a split structure which is arranged on the guide rod in a fastening, embedding or threaded connection mode; in the foregoing embodiment, the limit portion avoidance space is directly machined on the connecting plate, but may also be provided with a limit block at the through hole of the connecting plate, where the limit portion avoidance space is arranged on the limit block, and the limit portion may pass through the through hole and be limited by the limit block, and may contact the limit portion to limit the connecting plate only when the limit portion and the limit portion avoidance space on the limit block are aligned; such modifications and equivalents are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a vertical mud pressure filter, includes the frame and set up in filter-pressing subassembly in the frame, the frame include the base with set up in frame on the base, the top of frame is provided with the hydraulic press, filter-pressing subassembly includes: two or more filter-pressing jar of overlapping placement, the top of filter-pressing jar is provided with the connecting plate rather than linking to each other, the connecting plate with be flexonics between the filter-pressing jar, upper and lower adjacent the connecting plate passes through connecting bolt flexibility and links to each other, its characterized in that still includes:
the limiting guide rods penetrate through each connecting plate, are arranged parallel to the axial direction of the filter pressing cylinder, are fixed with the frame and can rotate around the axis of the frame, and are provided with a plurality of limiting parts which are arranged at intervals along the axial direction of the limiting guide rods, and the distance between two upper and lower adjacent limiting parts is equal;
the guide rod rotary driving unit drives the limiting guide rod to rotate through a rack transmission assembly, the rack transmission assembly comprises a gear arranged on the limiting guide rod and a rack connected with the guide rod rotary driving unit, the rack is meshed with the gear, and the moving direction of the rack is perpendicular to the limiting guide rod;
the device comprises a connecting plate, a flushing module and/or a mud scraping module, wherein the flushing module and/or the mud scraping module is/are arranged on the connecting plate and fixedly installed through a mounting frame connected with the connecting plate, and a conveying belt driving roller for driving a conveying belt to move is arranged on the mounting frame;
the flushing module comprises a brush and a high-pressure flushing pipe, wherein the brush and the high-pressure flushing pipe are arranged on the mounting frame through a rotating shaft, the brush can rotate around the axis of the rotating shaft, and the rotating shaft and the high-pressure flushing pipe are arranged along the width direction of the conveying belt;
the mud scraping module comprises a mud scraping carrier roller arranged on the mounting frame and a mud scraping knife arranged beside the mud scraping carrier roller, the mud scraping carrier roller is positioned in front of the driving roller of the conveying belt in the moving direction of the conveying belt for outwards conveying mud cakes, and the mud scraping knife is parallel to the mud scraping carrier roller;
the limiting part is a protruding structure protruding out of the outer wall of the limiting guide rod, a limiting part clearance gap for the limiting part to pass through is formed in the connecting plate, the limiting guide rod can rotate between the positions of the limiting part and the limiting part clearance gap in an aligned or mutually staggered mode, when the limiting part and the limiting part clearance gap are aligned, the limiting part can move to pass through the limiting part clearance gap to release limiting on the vertical direction of the connecting plate, and the connecting plate can move along the limiting guide rod; when the limit part and the limit part avoid gaps to be staggered, the connecting plate cannot move continuously when moving to be in contact with the limit part;
the device also comprises a locking oil cylinder arranged on the connecting plate, wherein the bottom of the filter pressing cylinder wall is provided with a flange protruding outwards along the radial direction, and the locking oil cylinder can be buckled on the flange of the filter pressing cylinder wall;
when the filter pressing assembly is in a filter pressing state, one connecting plate is arranged between every two adjacent limiting parts in the axial direction of the limiting guide rod, and the connecting plate can only move between the two limiting parts;
when the filter pressing assembly is in a mud unloading state, the limit of the connecting plate in the vertical direction is released, and the hydraulic press drives each layer of connecting plate to move upwards.
2. The vertical sludge press filter of claim 1, wherein: the number of the limit guide rods is even and the limit guide rods are symmetrically arranged, the two limit guide rods are driven to rotate by one guide rod rotation driving unit, racks corresponding to each limit guide rod are connected through a connecting rod, and the guide rod rotation driving unit is connected with one of the racks; or the two limit guide rods are driven to rotate by a guide rod rotation driving unit, the guide rod rotation driving unit is a double-head oil cylinder, and hydraulic rods of the double-head oil cylinder are respectively connected with racks corresponding to the limit guide rods.
3. The vertical sludge press filter of claim 1, wherein: the guide rod rotation driving unit is a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected with the rack.
4. The vertical sludge press filter of claim 1, wherein: the device comprises a frame, a limiting guide rod, a fixing frame and a fixing frame, wherein the fixing frame is arranged at the top of the frame, the top end of the limiting guide rod is connected with the fixing frame through a bearing, and the bottom end of the limiting guide rod is connected with a base of the frame through a bearing; the guide rod rotation driving unit is arranged on the fixing frame, and the gear is arranged at the top of the limiting guide rod.
5. The vertical sludge press filter of claim 1, wherein: the mud scraping device comprises a mounting frame, a mud scraping roller and a conveying belt, wherein a flushing module and a mud scraping module are arranged on the mounting frame, and the conveying belt is wound on the conveying belt driving roller after bypassing the mud scraping roller.
6. The vertical sludge press filter of claim 1, wherein: still including set up in the back-up roll on the mounting bracket, the back-up roll is located the side of connecting plate, the conveyer belt is walked around the back-up roll, roll in on the conveyer belt drive roller.
7. The vertical sludge press filter of claim 5, wherein: still including set up in the back-up roll on the mounting bracket, the back-up roll is located the side of connecting plate and set up the height with the connecting plate upper surface corresponds the parallel and level, scrape the mud bearing roller and be located the outside of back-up roll, the conveyer belt walk around the back-up roll with scrape the mud bearing roller, roll in on the conveyer belt drive roller.
8. The vertical sludge filter press of claim 7, wherein: the high-pressure shower pipe comprises a first high-pressure shower pipe and a second high-pressure shower pipe, wherein the first high-pressure shower pipe is positioned above the driving roller of the conveying belt, and the second high-pressure shower pipe is positioned below the driving roller of the conveying belt.
9. The vertical sludge press filter of claim 1, wherein: the high-pressure shower pipe is characterized in that a water outlet groove extending along the axial direction of the high-pressure shower pipe is arranged on the pipe wall of the high-pressure shower pipe, and the length of the water outlet groove corresponds to the width of the conveying belt.
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| CN202010382753.9A CN111617527B (en) | 2020-05-08 | 2020-05-08 | Vertical sludge press filter |
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| CN202010382753.9A CN111617527B (en) | 2020-05-08 | 2020-05-08 | Vertical sludge press filter |
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| CN111617527B true CN111617527B (en) | 2023-10-31 |
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| CN114849300B (en) * | 2022-06-21 | 2023-09-15 | 洛阳轩泰新材料科技有限公司 | Environment-friendly vertical filter press for processing new materials and processing method thereof |
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