CN212395997U

CN212395997U - Vertical sludge filter press

Info

Publication number: CN212395997U
Application number: CN202020748949.0U
Authority: CN
Inventors: 王鸿; 罗泽良
Original assignee: Huahui Ecological Environment Industry Co ltd
Current assignee: Huahui Ecological Environment Industry Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-26
Anticipated expiration: 2030-05-08

Abstract

Vertical sludge press filter, including the frame and set up the filter-pressing subassembly in the frame, the filter-pressing subassembly includes: two or more than two overlapped filter pressing cylinders, wherein a connecting plate flexibly connected with the filter pressing cylinders is arranged above the filter pressing cylinders; the limiting guide rods penetrate through the connecting plates, are fixed with the rack and can rotate around the axes of the limiting guide rods, limiting parts located above the connecting plates are arranged on the limiting guide rods, and the limiting guide rods can rotate between the limiting positions formed by the limiting parts and the connecting plates and the positions formed by the limiting parts and the connecting plates and staggered mutually; the guide rod rotation 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 rotation 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 washing module and/or a mud scraping module. The utility model discloses can guarantee the thickness of mud cake and the uniformity of moisture content behind the filter-pressing.

Description

Vertical sludge filter press

Technical Field

The utility model belongs to the technical field of sludge treatment, especially, relate to a vertical sludge press filter.

Background

The filter press is a device for deeply dehydrating sludge by adopting a filter pressing process, and the primary sludge can form a mud cake with lower water content after being dehydrated by the filter press. In consideration of daily production capacity and production economy of the sludge filter press, a plurality of sludge filter press equipment manufacturers begin to adopt a multilayer filter press method to improve the production efficiency. The horizontal filter press is a common multilayer filter press, and is provided with a plurality of filter press cylinders which are sequentially stacked along the horizontal direction, but due to the influence of the gravity of sludge, the sludge can be deposited downwards in the filter press cylinders, so that the lower parts of mud cakes in the filter press cylinders are thicker and the upper parts of the mud cakes are thinner, namely, the water content of the same mud cake at different positions is inconsistent, and the horizontal filter press also has the problem of floor space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can guarantee vertical sludge press filter of mud cake moisture content uniformity.

In order to achieve the above object, the present invention adopts the following technical solutions:

vertical sludge press filter, including the frame and set up in filter pressing subassembly in the frame, filter pressing subassembly includes: the filter pressing device comprises two or more than two overlapped filter pressing cylinders, 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 rod penetrates through each connecting plate, the limiting guide rod is fixed with the rack and can rotate around the axis of the limiting guide rod, a limiting part positioned above each connecting plate is arranged on the limiting guide rod, the distance between two adjacent limiting parts is equal, and the limiting guide rod can rotate between the limiting part and the connecting plate to form a limiting position and a mutually staggered position; the guide rod rotation 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 rotation driving unit, the rack is meshed with the gear, and the moving direction of the rack is perpendicular to the limiting guide rod; a washing module and/or a mud scraping module are arranged on the connecting plate, the washing module and/or the mud scraping module are fixedly installed through an installation frame connected with the connecting plate, and a conveying belt driving roller for driving a conveying belt to move is arranged on the installation frame; the washing module comprises a brush and a high-pressure shower pipe which 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 shower 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 the conveying belt and is arranged in front of a driving roller of the conveying belt in the moving direction when the conveying belt conveys mud cakes outwards, and the mud scraping knife is parallel to the mud scraping carrier roller.

Furthermore, the connecting plate is provided with a limiting part clearance space for the limiting part to pass through, and the limiting guide rod can rotate between the positions where the limiting part and the limiting part clearance space are aligned or staggered with each other.

Furthermore, the number of the limiting guide rods is even and the limiting guide rods are symmetrically arranged, two limiting guide rods are driven to rotate by a guide rod rotation driving unit, racks corresponding to the limiting guide rods are connected through a connecting rod, and the guide rod rotation driving unit is connected with one rack; or the two limiting 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 the racks corresponding to the limiting guide rods.

Furthermore, the guide rod rotation driving unit is a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with the rack, and the connecting plate limiting part is of a protruding structure protruding out of the outer wall of the limiting guide rod.

The top end of the limiting guide rod is connected with the fixed frame through a bearing, and the bottom end of the limiting guide rod is connected with the base of the rack 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.

Furthermore, be provided with on the mounting bracket and wash the module and scrape the mud module, the conveyer belt walks around scrape behind the mud bearing roller, the rolling in on the conveyer belt drive roller.

Further, still including set up in bearing roller on the mounting bracket, the bearing roller is located the side of connecting plate, the conveyer belt is walked around bearing roller, the rolling in on the conveyer belt drive roller.

Further, still including set up in bearing roller on the mounting bracket, the bearing roller is located the side of connecting plate and set up highly with the connecting plate upper surface corresponds the parallel and level, scrape the mud bearing roller and be located the outside of bearing roller, the conveyer belt is walked around the bearing roller with scrape the mud bearing roller, the rolling 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, the first high-pressure shower pipe is located above the conveyer belt driving roller, and the second high-pressure shower pipe is located below the conveyer belt driving roller.

Furthermore, a water outlet groove axially extending along 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.

And the filter pressing cylinder further comprises a locking oil cylinder arranged on the connecting plate, the bottom of the wall of the filter pressing cylinder is provided with a flange which protrudes outwards along the radial direction, and the locking oil cylinder can be buckled on the flange of the wall of the filter pressing cylinder.

According to the technical scheme, the sludge filter press adopts a vertical structure, the horizontally arranged filter pressing cylinders can avoid the condition that the water contents of different height positions of mud cakes are inconsistent in the vertically arranged filter pressing cylinders, and meanwhile, the structure of vertically stacking the filter pressing cylinders can also reduce the occupied area; the limiting guide rod is arranged to guide the movement of the connecting plates, so that the pressure imbalance of the hydraulic cylinder can be overcome, and each layer of connecting plate is prevented from inclining in the moving process, so that the verticality and parallelism of each layer of laminated filter cylinder in the filter pressing process are ensured, the outward leakage of sludge is prevented, and the frame explosion phenomenon is avoided; meanwhile, the distance between the connecting plates can be limited by the limiting part on the limiting guide rod when mud is fed, so that the mud feeding amount of each laminated filter cylinder is kept consistent, the influence of the self gravity of each layer of filter press cylinder of the filter press is eliminated, the sludge cake thicknesses in different filter press cylinders are still consistent after filter pressing, the water content is also consistent, and the water content is within the design range. And the utility model discloses a guide arm rotary driving unit drives spacing guide arm through the transmission structure of rack and gear and rotates, simple structure, and the transmission is stable, is favorable to guaranteeing pressure filter operating condition's reliability. The utility model discloses a mud scraping module and/or washing module have still been integrated to the connecting plate, make the connecting plate have the clear mud function of scraping mud and/or washing the conveyer belt, modular structural design can not increase the equipment degree of difficulty of pressure filter, but the function of connecting plate has been richened, mud scraping module and/or washing module can in time wash and unload mud to the conveyer belt, prevent that mud from gathering on the conveyer belt and leading to the drainage hole to block up, be favorable to reducing the moisture content of mud filter-pressing and improve the mud filter-pressing effect, and can reduce the filter-pressing time, improve filter-pressing efficiency, the while need not manual operation, the economic nature has been improved.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic structural 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 diagram of the mud scraping module and the flushing module and the connecting plate according to the embodiment of the present invention.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings, wherein for convenience of illustration, the drawings showing the structure of the device are not to scale and are partially enlarged, and the drawings are only 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 precise scale, which is only used for the purpose of facilitating and clearly assisting in the description of the embodiments of the present invention.

As shown in figure 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 machine 3 is arranged at the top of the frame 1, and a filter press assembly is arranged on the base 2 of the frame. The filter pressing component mainly comprises a pressing plate, filter plates and filter pressing cylinders 4 (figure 3), the filter pressing component of the vertical filter press is provided with a plurality of filter pressing cylinders stacked together along the vertical direction, each filter pressing cylinder is correspondingly provided with a set of filter plates, pressing plates, filter cloth, filter screens and other components, the pressing plates are arranged in the filter pressing cylinders and can reciprocate along the axial directions of the filter pressing cylinders in the filter pressing cylinders, and therefore sludge in the filter pressing cylinders is subjected to filter pressing to form mud cakes. The piston rod of hydraulic press 3 links to each other with roof 5, and roof 5 links to each other with the connecting plate 6 that is located the top in the filter pressing subassembly, and roof 5 can reciprocate under hydraulic press 3's effect to further drive the connecting plate (and the clamp plate that links to each other with the connecting plate) and move together.

The inner cavity of the filter press cylinder 4 forms a filter press chamber containing sludge. The filter press cylinder 4 can adopt a side mud feeding structure or a traditional center mud feeding structure. For convenience of description, in the following description, a side to which a moving direction of the pressing plate when pressing the sludge is directed is defined as a lower side, i.e., the pressing plate moves downward to press the sludge, and a side to which a moving direction of the pressing plate when moving away from the cake is defined as an upper side, i.e., the pressing plate moves upward away from the cake. Adjacent press cylinders 4 are separated by connecting plates 6, each connecting plate 1 corresponding to the bottom plate of the press cylinder 4 above it, and the press cylinders 4 are placed on the connecting plate 6 below it and supported by the connecting plate 6. A plurality of drain holes 6a (figure 3) are processed on the connecting plate 6, and the connecting plate has the function of a filter plate, a conveyer belt (for the convenience of displaying the structure of the connecting plate, the conveyer belt is not shown in the figure) is positioned on the connecting plate 6, the conveyer belt is of a porous filter screen structure, so that filtrate generated in the filter pressing process by sludge can be discharged through pores in time, and the conveyer belt can play a role of conveying and filtering cloth. Each connecting plate 6 is respectively with the pressure filtration jar 4 flexible coupling that is located its below, and the distance between connecting plate 6 and the pressure filtration jar 4 is unchangeable promptly, and connecting plate 6 and the pressure filtration jar 4 of its below can be close to each other during the filter-pressing, can keep away from each other when unloading mud. The connection between the connection plate 6 and the press cylinder 4 can be made as disclosed in patent application No. 201910252471.4, which is not described in detail here.

The frame is provided with a guiding and limiting assembly used for guiding and limiting the connecting plate 6. Referring to fig. 1 and 2, the guide limiting assembly of the present embodiment includes a limiting 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 limiting guide rods 7 are formed in the connecting plate 6, so that the limiting guide rods 7 can penetrate through the through holes in the connecting plate 6, and the limiting guide rods 7 penetrate through all the connecting plates 6 in the filter pressing assembly. In the embodiment, 4 limiting guide rods 7 are arranged on the frame and are respectively positioned at four corners of the connecting plate 6, and the limiting guide rods 7 are arranged in parallel to the axial direction of the filter pressing cylinder 4. In other embodiments, 2 limiting guide rods or 3 limiting guide rods may be provided, and the number of the limiting guide rods is set according to actual conditions. The fixing frame 10 of this embodiment is arranged at the top of the frame 1, the top end of the limiting guide rod 7 is connected with the fixing frame 10 through a bearing, the bottom end of the limiting guide rod is connected with the base 1 through a bearing, and the limiting guide rod 7 can rotate around the axis of the limiting guide rod 7. A plurality of limiting portions 7a are arranged on the limiting guide rod 7 at intervals along the axial direction thereof, and the limiting portions 7a of 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 limiting parts 7a adjacent to each other in the axial direction of the limiting guide rod, the connecting plate 6 can only move between the two limiting parts 7a, the distance 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. One or more limiting parts 7a may be provided at the same height position of the limiting guide rod 7, and when more than one limiting part 7a is provided, the limiting parts 7a may be arranged at regular intervals along the circumferential direction of the limiting guide rod 7. A limiting part avoiding space (not shown) corresponding to the limiting part 7a is processed at the through hole of the connecting plate 6, when the limiting guide rod 7 rotates to a certain angle, the limiting part 7a is aligned with the limiting part avoiding space on the through hole, the limiting part 7a can be accommodated in the limiting part avoiding space of the connecting plate 6 and can movably penetrate through the limiting part avoiding space, so that the limitation on the connecting plate 6 in the vertical direction is relieved, and the connecting plate 6 can move along the limiting guide rod 7. The limiting part 7a is used for limiting the position of the connecting plate 6 on each layer in the vertical direction, and when the connecting plate 6 is driven by the hydraulic machine 3 to move upwards to be in contact with the limiting part 7a, the connecting plate 6 can not move upwards any more. Because the distance between the adjacent limiting parts 7a in the axial direction is equal, and the distance of upward movement of the connecting plate 6 is the same, the mud inlet amount of the filter pressing cylinder can be ensured to be equal, and the thickness of the mud cake formed after filter pressing can be kept in good consistency.

The guide rod rotation driving unit 8 is arranged on the fixed frame 10 and drives the limiting guide rod 7 to rotate through the rack transmission assembly 9. The rack transmission assembly 9 comprises a gear 9-1 arranged on the limiting guide rod 7 and a rack 9-2 connected with the guide rod rotation driving unit 8, and the gear 9-1 is meshed with the rack 9-2. The guide rod rotation driving unit 8 of the embodiment is a hydraulic cylinder, the rack 9-2 is connected with a piston rod of the hydraulic cylinder, and when the hydraulic cylinder acts, the rack 9-2 moves along with the piston rod. The moving direction of the rack 9-2 is vertical to the axis of the limiting guide rod 7, and when the rack 9-2 moves, the limiting guide rod 7 is driven to rotate by the gear 9-1 meshed with the rack. A spacing guide rod 7 can be controlled by a guide rod rotation driving unit 8 through rack transmission assembly 9 and rotate, but in order to simplify the structure and reduce the cost, the embodiment realizes that two spacing guide rods 7 arranged on the same fixing frame 10 are controlled by a guide rod rotation driving unit 8 through two sets of rack transmission assemblies 9 and rotate by arranging a 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 rack 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 limiting 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 within range, guarantee simultaneously that the jar wall of lamination filter jar is also in the design requirement within range for the straightness that hangs down of base plane to pressure filter can not appear inclining and explode the frame and leak the phenomenon at actual filter-pressing in-process lamination filter jar. The height of the limiting part for limiting the same connecting plate on each limiting guide rod is the same, the limiting part can limit the movement of the connecting plate in the axial direction, the mud inlet space of all pressure filter cylinders of the sludge filter press is consistent, the mud inlet amount is consistent, and the thickness and the water content of the mud cakes after filter pressing are completed are consistent.

As shown in fig. 3 and 4, the connecting plate 6 of the present embodiment integrates the flushing module 12 and the mud scraping module 13, the flushing module 12 and the mud scraping module 13 are disposed at the same end of the connecting plate 6, a mounting frame 14 is disposed at one end of the connecting plate 6, the mounting frame 14 is connected to the connecting plate 6 through a screw fastener such as a screw or a bolt, and the flushing module 12 and the mud scraping module 13 are fixedly mounted through the mounting frame 14. The flushing module 12 of the present embodiment includes a brush 12-1 and a high pressure flushing pipe. Preferably, this embodiment still is provided with bearing roller 15 on mounting bracket 14, and bearing roller 15 highly is the same level with the upper surface of connecting plate 6, and bearing roller 15 can play the effect of holding up to the conveyer belt to avoid the conveyer belt when leaving connecting plate 6 mud cake to push down the conveyer belt because of the action of gravity, thereby lead to the conveyer belt and the edge frictional contact of connecting plate and mounting bracket and cause wearing and tearing.

The conveyer belt drive roller 16 sets up on mounting bracket 14, and the tip of conveyer belt is convoluteed on conveyer belt drive roller 16, and conveyer belt drive roller 16 can be rotatory around self axis under the effect of drive unit 17 such as motor or pneumatic cylinder, can drive the conveyer belt when conveyer belt drive roller 16 rotates and remove to make the conveyer belt bear the weight of mud cake and outwards carry or unload the conveyer belt after mud and reset, the conveyer belt can be rolled up on conveyer belt drive roller 16. The carrier roller 15 and the belt driving roller 16 are parallel to each other and are provided 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 via a rotating shaft (not shown) and is rotatable about the axis of the rotating shaft, and the brush 12-1 brushes the conveyor belt to clean the sludge attached to the conveyor belt. The high pressure showering pipe is connected with an external high pressure water source, and the embodiment is provided with two high pressure showering pipes on the mounting rack 14: a first high-pressure showering pipe 12-2 and a second high-pressure showering pipe 12-3, wherein the first high-pressure showering pipe 12-2 is positioned above the conveyer belt driving roller 16, the second high-pressure showering pipe 12-3 is positioned below the conveyer belt driving roller 16, and the two high-pressure showering pipes can respectively rinse the front and the back of the conveyer belt. The brush and the high-pressure shower pipe are arranged in parallel to the width direction of the conveying belt (the direction vertical to the moving direction of the conveying belt). Preferably, the high-pressure showering pipe is provided with a water outlet groove (not shown) which is axially arranged along the high-pressure showering pipe, and the length of the water outlet groove corresponds to the width of the conveying belt, so that the washing range of the high-pressure showering pipe can completely cover the whole width of the conveying belt to comprehensively wash the conveying belt. The number of the high-pressure shower pipes can be changed correspondingly according to the requirement, for example, only one high-pressure shower pipe is arranged, or more than 2 high-pressure shower pipes are arranged. The brush cooperates with the high-pressure flushing pipe to flush the conveying belt, sludge on the conveying belt is flushed more cleanly, pores on the conveying belt cannot be blocked, water consumption is saved, and the conveying belt is economical and environment-friendly.

The mud scraping module 13 comprises a mud scraping knife 13-1 and a mud scraping carrier roller 13-2, wherein the mud scraping knife 13-1 is arranged beside the mud scraping carrier roller 13-2 and is used for scraping mud on the 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 knife 3-1 can scrape the mud on the conveying belt. The mud scraping carrier roller 3-2 is located at the outer side of the bearing carrier roller 15 (i.e. the bearing carrier roller 15 is closer to the connecting plate 6 relative to the mud scraping carrier roller 13-2), and the conveyor belt driving roller 16 is located behind the mud scraping carrier roller 13-2 in the moving direction when the conveyor belt conveys mud cakes outwards, i.e. the conveyor belt conveying mud cakes outwards firstly passes through the mud scraping carrier roller 13-2 and then is wound on the conveyor belt driving roller 16. The conveyor belt driving roller 16 of the embodiment is arranged below the mud scraping carrier roller 13-2, and the conveyor belt is wound on the conveyor belt driving roller 16 after bypassing the carrier roller 15 and the mud scraping carrier roller 13-2. Through setting up the mud scraping carrier roller as transition part, the mud scraping knife is to clearing up around the conveyer belt on the mud scraping carrier roller, rather than handling the conveyer belt around on the conveyer belt drive roller, can avoid the multilayer conveyer belt to coil on the conveyer belt drive roller after, because the conveyer belt number of piles increases and leads to scraping the mud knife and lead to scraping the mud knife and reduce the condition emergence that conveyer belt or drive roller can not normally work that the distance changes between conveyer belt and conveyer belt.

Preferably, the fixing position of the scraper 13-1 on the mounting frame 14 is adjustable, for example, a kidney-shaped hole is formed on the mounting frame 14, and the scraper 13-1 is fixed on the mounting frame 14 by a fastener such as a bolt and the like in cooperation with the kidney-shaped hole. The mounting position of the mud scraper 13-1 is adjustable, so that the distance between the mud scraper and the mud scraping carrier roller can be conveniently adjusted, on one hand, the mud scraping effect can be ensured, and on the other hand, the mud scraper can be prevented from scraping the conveying belt.

The mud scraping module and the cleaning module can be arranged on one side of the connecting plate only, 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 arranged on one side of the connecting plate, the conveying belt driving roller is arranged on the other opposite side to realize advancing and resetting of the conveying belt; further, a brush may be provided beside the conveyor belt drive roller.

The connecting plates 6 adjacent to each other up and down are flexibly connected through the connecting bolts 18, and the connecting bolts 18 are the same in length, so that the parallelism of the connecting plates adjacent to each other up and down in the separation and mud discharge process can be guaranteed. After the filter pressing is completed, the upper and lower adjacent connecting plates can be smoothly separated through the connecting bolts, so that the sludge unloading work after the sludge filter pressing is completed is facilitated. The number and the 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 which protrudes outwards in the radial direction is arranged at the bottom of the wall of the filter pressing cylinder 4, and the locking oil cylinder 19 can be buckled on the flange of the wall of the filter pressing cylinder 4, so that the sealing performance between the bottom of the filter pressing cylinder and a conveyer belt positioned below the filter pressing cylinder can be improved through the locking oil cylinder 19, and the leakage of an explosion frame and sludge caused by the fact that the sealing between the filter pressing cylinder and the conveyer belt is not tight is avoided. The number and the installation position of the locking oil cylinders can be adjusted according to requirements.

The filter pressing assembly of the present invention is further described below in the filter pressing state and the mud discharging state.

When the mud enters, the guide rod rotation driving unit 8 drives the guide limiting rod 7 to rotate through a transmission structure consisting of the rack 9-2 and the gear 9-1, so that the limiting part 7a rotates to a position staggered with a limiting part clearance 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 pressure filter cylinders 4 to move upwards together; when each layer of connecting plate 6 moves upwards to be contacted with the corresponding limiting part 7a on the guide limiting rod 7, the layer of connecting plate can be blocked by the limiting part 7a and cannot move upwards continuously, and because the distances between the adjacent limiting parts 7a in the axial direction are equal, the distances between the upper and lower adjacent connecting plates 6 can be controlled to be equal, so that the mud feeding amount in the filter-pressing cylinder 4 is ensured to be consistent.

After the mud is fed, the hydraulic machine 3 drives the connecting plate 6 to move downwards, and in the moving process of the connecting plate 6, the guide limiting rod 7 is fixed with the frame and penetrates 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 verticality and the parallelism of a filter pressing cylinder on the connecting plate in the filter pressing process can be ensured to be within a design range; during 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 dehydrates 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 the pressure to the connecting plate 6 below the filter pressing cylinder, the connecting plate 6 continuously transmits the pressure to the pressing plate connected with the connecting plate and the filter pressing cylinder 4 below the connecting plate, and so on, the pressure of each layer continuously acts on the next layer of connecting plate downwards, the working pressure of the hydraulic cylinder sequentially acts on each filter pressing cylinder and the pressing plate of the filter press from top to bottom, filter pressing action is carried out, and therefore each layer of filter pressing cylinder completes filter pressing.

After filter pressing is completed, in a mud discharging state, a guide rod rotation driving unit 8 drives a guide limiting rod 7 to rotate through the matching of a rack 9-2 and a gear 9-1, so that a limiting part 7a rotates to a position aligned with a limiting part clearance position on a connecting plate, the limiting on the connecting plate 6 is relieved, a hydraulic machine 3 sequentially drives each layer of connecting plate 6 to move upwards, a pressing plate leaves a dewatered mud cake, a filter pressing cylinder 4 leaves the connecting plate 6 below the filter pressing cylinder, after the filter pressing cylinder moves in place, a conveying belt on the connecting plate 6 moves under the action of a conveying belt driving roller 16, the mud cake moves outwards along with the conveying belt to discharge mud, in the process that the conveying belt is wound on a mud scraping carrier roller 13-2, mud attached to the conveying belt is scraped, and then the conveying belt is washed by high-pressure water through a high-pressure spray pipe, the brush 12-1 is matched with the flushing action of high-pressure water to scrub the conveying belt, so that sludge can be prevented from being attached to the conveying belt, the phenomenon that a mesh on the conveying belt is blocked due to accumulation of the sludge on the conveying belt to influence the sludge filter pressing effect is avoided, the filter pressing time and the filter pressing energy consumption can be reduced, the water content is reduced, and the filter pressing efficiency, the filter pressing effect and the economy are improved.

Of course, the technical concept of the present invention is not limited to the above embodiments, and many different specific schemes can be obtained according to the concept of the present invention, for example, the racks of the two guide rods of the present embodiment are connected through the connecting rod, and when a long rack can be used, the rack can be simultaneously engaged with the gears on the two guide rods, so as to simultaneously drive the two guide rods to rotate, or a double-head cylinder is arranged between the two racks, and one cylinder drives the two racks to move; 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, can be a protruding structure which is integrally manufactured with the guide rod, and can also be a split structure which is arranged on the guide rod in a buckling, embedding or threaded connection mode and the like; in the foregoing embodiment, the spacing part clearance is directly processed on the connecting plate, but a limiting block may be disposed at the through hole of the connecting plate, the spacing part clearance is disposed on the limiting block, the spacing part can pass through the through hole but is limited by the limiting block, and the spacing part can contact the limiting part to limit the connecting plate only when the spacing part clearance on the spacing part and the limiting block are aligned; such modifications and equivalents are intended to be included within the scope of the present invention.

Claims

1. Vertical sludge press filter, including the frame and set up in filter pressing subassembly in the frame, filter pressing subassembly includes: two or more than two overlap the filter pressing jar of placing, the top of filter pressing jar is provided with the connecting plate that links to each other rather than, the connecting plate with be flexible connection between the filter pressing jar, its characterized in that still includes:

the limiting guide rod penetrates through each connecting plate, the limiting guide rod is fixed with the rack and can rotate around the axis of the limiting guide rod, a limiting part positioned above each connecting plate is arranged on the limiting guide rod, the distance between two adjacent limiting parts is equal, and the limiting guide rod can rotate between the limiting part and the connecting plate to form a limiting position and a mutually staggered position;

the guide rod rotation 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 rotation driving unit, the rack is meshed with the gear, and the moving direction of the rack is perpendicular to the limiting guide rod;

a washing module and/or a mud scraping module are arranged on the connecting plate, the washing module and/or the mud scraping module are fixedly installed through an installation frame connected with the connecting plate, and a conveying belt driving roller for driving a conveying belt to move is arranged on the installation frame;

the washing module comprises a brush and a high-pressure shower pipe which 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 shower 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 the conveying belt and is arranged in front of a driving roller of the conveying belt in the moving direction when the conveying belt conveys mud cakes outwards, and the mud scraping knife is parallel to the mud scraping carrier roller.

2. The vertical sludge press according to claim 1, wherein: the connecting plate is provided with a limiting part avoiding space for the limiting part to pass through, and the limiting guide rod can rotate between the positions where the limiting part and the limiting part avoiding space are aligned or staggered with each other.

3. The vertical sludge press according to claim 1, wherein: the number of the limiting guide rods is even and the limiting guide rods are symmetrically arranged, two limiting guide rods are driven to rotate by a guide rod rotation driving unit, racks corresponding to each limiting guide rod are connected through a connecting rod, and the guide rod rotation driving unit is connected with one rack; or the two limiting 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 the racks corresponding to the limiting guide rods.

4. The vertical sludge press according to claim 1, wherein: the guide rod rotation driving unit is a hydraulic cylinder, a piston rod of the hydraulic cylinder is connected with the rack, and the connecting plate limiting part is of a protruding structure protruding out of the outer wall of the limiting guide rod.

5. The vertical sludge press according to claim 1, wherein: 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 rack 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.

6. The vertical sludge press according to claim 1, wherein: be provided with on the mounting bracket and wash the module and scrape the mud module, the conveyer belt walks around scrape behind the mud bearing roller, the rolling in on the conveyer belt drive roller.

7. The vertical sludge press according to claim 1, wherein: still including set up in bearing roller on the mounting bracket, the bearing roller is located the side of connecting plate, the conveyer belt is walked around bearing roller, the rolling in on the conveyer belt drive roller.

8. The vertical sludge press according to claim 6, wherein: still including set up in bearing roller on the mounting bracket, the bearing roller is located the side of connecting plate and set up highly with the connecting plate upper surface corresponds the parallel and level, it is located to scrape the mud bearing roller the outside of bearing roller, the conveyer belt is walked around the bearing roller with scrape the mud bearing roller, the rolling in on the conveyer belt drive roller.

9. The vertical sludge press according to claim 8, wherein: the high-pressure shower pipe comprises a first high-pressure shower pipe and a second high-pressure shower pipe, the first high-pressure shower pipe is located above the conveyer belt driving roller, and the second high-pressure shower pipe is located below the conveyer belt driving roller.

10. The vertical sludge press according to claim 1, wherein: and the pipe wall of the high-pressure showering pipe is provided with a water outlet groove which axially extends along the high-pressure showering pipe, and the length of the water outlet groove corresponds to the width of the conveying belt.

11. The vertical sludge press according to claim 1, wherein: the filter pressing cylinder is characterized by further comprising a locking oil cylinder arranged on the connecting plate, the bottom of the wall of the filter pressing cylinder is provided with a flange protruding outwards in the radial direction, and the locking oil cylinder can be buckled on the flange of the wall of the filter pressing cylinder.