CN218485252U

CN218485252U - Two-way four-cylinder filter press

Info

Publication number: CN218485252U
Application number: CN202021173966.2U
Authority: CN
Inventors: 李学伟; 张全刚; 鲁建岭
Original assignee: Hengshui Haihong Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Hengshui Haihong Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2023-02-17
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a four two-way hydro-cylinder pressure filters, belong to solid-liquid separation equipment technical field, the pressure filter includes the girder, still include the thrust plate, the pressure strip, and the filter plate, both ends all are fixed with the thrust plate around the girder, the pressure strip is located between two thrust plates, the filter plate between pressure strip and every thrust plate all falls into first filter plate group and second filter plate group, between the adjacent filter plate of same filter plate group, all be connected with the help of the connecting piece between the filter plate that is close to the pressure strip in the second filter plate group and this pressure strip, the left side at both ends around the pressure strip, the right side all is connected with the tight hydro-cylinder in top, the left side at both ends around the girder, the right side all is provided with the arm-tie hydro-cylinder, the one end and the frame fixed connection of arm-tie hydro-cylinder, keep away from the filter plate fixed connection of thrust plate in the other end and the first filter plate group. The filter plates on the front side and the rear side of the pressure strip alternately perform the processes of filter pressing and filter cake discharging, and the filter pressing efficiency can be greatly improved within the limited length range of the filter press.

Description

Two-way four-cylinder filter press

Technical Field

The utility model belongs to the technical field of solid-liquid separation equipment, involve the pressure filter, especially two-way four hydro-cylinder pressure filter.

Background

The filter press is a device which is widely used in the industries of chemical industry, petroleum industry, mineral separation, pharmacy, food and the like to realize solid phase and liquid phase separation, and the filter plate is an essential part on the filter press. The existing filter press is generally that a thrust plate is arranged at the front/rear end of a frame, a hold-down plate is arranged at the rear/front end of the frame, a tightening oil cylinder is connected at the center of the hold-down plate, a group of filter plates are arranged between the thrust plate and the hold-down plate, the filter plates are connected with a main beam of the frame through handles arranged at the left and right sides of the filter plates, the filter plates and the filter plates, and the filter plates and the hold-down plate at the last/front end of the filter plates are connected through connecting pieces, in the working process of the filter press, the tightening oil cylinder pushes the hold-down plate to enable the filter plates and the thrust plate to be tightly connected, after the filter press is completed, the filter plates and the filter plates are separated under the pulling action of the tightening oil cylinder and the connecting pieces, and then the filter plates and the thrust plate are tightly separated, so that the solid phase and the liquid phase are separated through the reciprocating motion. If the filter press needs to increase the filtering area and improve the filtering efficiency, the number of the filter plates needs to be increased, so that the length of the filter press is continuously lengthened, the occupied area is large, and the use requirement of a user cannot be better met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art's defect, designed two-way four hydro-cylinder pressure filter, both ends all are provided with the feed inlet around for the process of filter plate that is located the filter plate in pressure strip the place ahead and the filter plate that is located the pressure strip rear carry out the filter-pressing in turn and discharge the filter cake, at the limited length within range of pressure filter, can improve filter-pressing efficiency greatly.

The utility model adopts the following specific technical proposal: two-way four hydro-cylinder pressure filter, including setting up the girder in the frame, still include thrust plate, pressure strip and the filter plate of setting between thrust plate and pressure strip of being connected with the girder, be provided with the feeding port on thrust plate and girder fixed connection and the thrust strip, the pressure strip has the removal degree of freedom along the fore-and-aft direction with the help of the tight hydro-cylinder in top, and the key lies in: both ends all are fixed with the thrust plate around the girder, the pressure strip is located between two thrust plates, the filter plate between pressure strip and every thrust plate all falls into first filter plate group and second filter plate group and first filter plate group is located the one side that is close to the thrust plate, between the adjacent filter plate of same filter plate group, all be connected with the help of the connecting piece between the filter plate that is close to the pressure strip in the second filter plate group and this pressure strip, the left side at both ends around the pressure strip, the right side all is connected with the tight hydro-cylinder in top, the left side at both ends around the girder, the right side all is provided with the arm-tie hydro-cylinder, the one end and the frame fixed connection of arm-tie hydro-cylinder, the filter plate fixed connection of thrust plate is kept away from in the other end and the first filter plate group.

The left side and the right side of the upper end of the pressure plate are provided with idler wheels which are used for forming rolling fit with a main beam of the filter press, the middle parts of the left side face and the right side face of the pressure plate are respectively fixed with a connecting seat, the end faces of the front end and the rear end of each connecting seat are respectively provided with a connecting part which is used for being connected with a jacking oil cylinder of the corresponding end, and the connecting seats form sliding fit with the main beam by virtue of sliding grooves formed in the connecting seats.

The connecting component is an insertion groove used for inserting and tightly propping the movable end of the oil cylinder, and the front insertion groove and the rear insertion groove are coaxially arranged.

The main beam divide into the upper beam body and the underbeam body, the number of the upper beam body and the underbeam body all is two and all arranges along left and right direction, the pressure strip forms roll fit with the upper beam body with the help of the gyro wheel, the pressure strip forms sliding fit with the upper beam body and the underbeam body simultaneously with the help of the spout that sets up on it, the spout is located the gyro wheel below.

The outer sides of the ends of the two upper beam bodies are all fixed with a pulling plate oil cylinder seat, a connecting vertical plate and a jacking oil cylinder supporting seat are fixed between the end of the upper beam body and the end of the lower beam body which are positioned on the same side of the rack, the connecting vertical plate is positioned on the inner sides of the upper beam body and the lower beam body, the jacking oil cylinder supporting seat is positioned on the outer sides of the upper beam body and the lower beam body, a horizontal positioning shaft which is fixedly connected with the connecting vertical plate and used for sleeving the fixed end of the jacking oil cylinder is arranged between the connecting vertical plate and the jacking oil cylinder supporting seat, and the jacking oil cylinder supporting seat is fixedly connected with the upper beam body and the jacking oil cylinder supporting seat is fixedly connected with the lower beam body by virtue of a detachable locking part.

And the end surfaces of the front end and the rear end of the compression plate are respectively fixed with a protection plate.

All be fixed with the handle that is used for being connected with the girder of pressure filter in the filter plate upper end left and right sides, the handle includes the connecting plate with filter plate fixed connection, one end is connected with the connecting plate middle part and the other end is the locating plate of spacing edge of formation of buckling downwards, cavity between spacing edge and the connecting plate is the chamber that holds of girder, the lateral wall that holds the chamber all forms sliding fit with the girder, the lower extreme outside on spacing edge is fixed with the connecting rod that is used for the expansion end of suit connecting piece and/or arm-tie hydro-cylinder, the one end that spacing edge was kept away from to the connecting rod is provided with the anticreep head, be detachable connection between anticreep head and the connecting rod.

The connecting piece be the arm-tie, the arm-tie includes the plate body and the slide and the locating hole of seting up on the plate body, the locating hole is located the preceding/rear end of plate body, the one end of slide is located the back/front end of plate body, the other end downward sloping of slide, both ends are on the connecting rod of two adjacent filter plates or between the connecting rod of filter plate and the pressure strip with the help of slide, locating hole suit respectively around the arm-tie.

The end part of the connecting rod is provided with an external thread, the anti-falling handle head is provided with an internal thread, and the anti-falling handle head is in threaded connection with the connecting rod.

The filter plate comprises a frame and a core plate arranged inside the frame, wherein filter cavities are formed between two sides of the core plate and the frame, a liquid outlet channel used for communicating the filter cavities and the outside is formed in the bottom of the frame, and a feed hole used for communicating the filter cavities on two sides of the core plate is formed in the center of the core plate.

The utility model has the advantages that: the front thrust plate and the rear thrust plate alternately feed, when the filter plate in front of the compression plate is in a filter pressing process, the filter plate at the rear of the compression plate is in a filter pressing process, when the filter plate in front of the compression plate is in the filter pressing process, the filter plate at the rear of the compression plate is in the filter pressing process, the filter plate in front of the compression plate and the filter plate at the rear of the compression plate alternately perform filter pressing and a filter cake discharging process, and the filter pressing efficiency can be greatly improved within the limited length range of the filter press.

The pressure strip the place ahead have two along the tight hydro-cylinder in top that left right direction set up and two about the arm-tie hydro-cylinders that the orientation set up, the pressure strip rear has two along the tight hydro-cylinder in top that left right direction set up and two about the arm-tie hydro-cylinders that the orientation set up, it promotes the mechanism of pressure strip to form two-way four hydro-cylinders formula, make the pressure strip steady reliable at the removal in-process, make pressure strip and filter plate atress even simultaneously, it is sealed effectual, can avoid appearing the condition of lou material, shorten the charge-in time.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a left side view of the gantry of fig. 1.

Fig. 4 is a schematic structural view of the middle pressure plate of the present invention.

Fig. 5 is a schematic structural diagram of the middle filter plate of the present invention.

Fig. 6 is an enlarged view of B in fig. 5.

Fig. 7 is a side view of fig. 5.

Fig. 8 is a side cross-sectional view of the filter plate of fig. 5.

Fig. 9 is a schematic structural view of the middle pulling plate of the present invention.

Fig. 10 is a schematic view of the connection structure between the middle pulling plate and two adjacent filter plates of the present invention.

Fig. 11 is a schematic structural diagram of the filter plate of the present invention during filter pressing.

Fig. 12 is a side view of the pressing plate and the connecting seat of the present invention.

Fig. 13 is a front view of the middle main beam of the present invention.

Fig. 14 is a schematic view of the connection structure between the middle jacking cylinder support seat and the main beam of the present invention.

In the attached drawings, 1 represents a filter plate, 1-1 represents a frame, 1-2 represents a core plate, 1-3 represents a filter cavity, 1-4 represents a feed hole, 1-5 represents a liquid outlet channel, 1-6 represents a top platform, 1-7 represents a ball valve water nozzle, 2 represents a handle, 2-1 represents a connecting plate, 2-2 represents a limiting edge, 2-3 represents a positioning plate, 2-4 represents a connecting rod, 2-5 represents an anti-dropping handle head, 3 represents a pulling plate, 3-1 represents a plate body, 3-2 represents a slide way, 3-3 represents a positioning hole, 4 represents a thrust plate, 5 represents a pressing plate, 5-1 represents an upper plate body, 5-2 represents a lower plate body, 5-3 represents a side plate, 5-4 represents a transverse reinforcing plate, 5-5 represents a longitudinal reinforcing plate, 6 represents a jacking oil cylinder, 7 represents a pulling plate oil cylinder, 8 represents a roller, 9 represents a connecting seat, 10 represents a sliding groove, 11 represents a groove, 12 represents an upper beam body, 14 represents a pulling plate oil seat, 15 represents a connecting cylinder, 16 represents a jacking oil cylinder, 16 represents a supporting seat, a horizontal supporting seat represents a supporting plate, and a horizontal supporting plate represents a feeding pipe port represents a supporting plate, and a supporting plate represents a pipe supporting plate 20 and a horizontal protecting plate.

Detailed Description

The present invention will be described in detail with reference to the following drawings and specific embodiments:

in a specific embodiment, as shown in fig. 1 to 14, a two-way four-cylinder filter press includes a main beam disposed on a frame, and further includes a thrust plate 4 connected to the main beam, a pressure plate 5, and filter plates 1 disposed between the thrust plate 4 and the pressure plate 5, where the thrust plate 4 is fixedly connected to the main beam, and a feed port 21 is disposed on the thrust plate 4, the pressure plate 5 has a freedom of movement in a front-back direction by a jacking cylinder 6, the thrust plates 4 are fixed to front and back ends of the main beam, the pressure plate 5 is disposed between two thrust plates 4, the filter plates 1 between the pressure plate 5 and each thrust plate 4 are divided into a first filter plate group and a second filter plate group, the first filter plate group is disposed on one side close to the thrust plate 4, adjacent filter plates 1 of the same filter plate group, and between the filter plates 1 in the second filter plate group close to the pressure plate 5 and the pressure plate 5 are connected by a connector, the left side and the right side of the front and back ends of the pressure plate 5 are connected to the jacking cylinder 6, and the left side and the right side of the other end of the first filter plate group, which is connected to the fixed cylinder 7, and the other end of the filter plate in the frame, and the other end of the first filter plate group which is far from the first filter plate 1.

The left side and the right side of the upper end of the pressing plate 5 are provided with idler wheels 8 which are used for forming rolling fit with a main beam of a filter press, the middle parts of the left side and the right side of the pressing plate 5 are respectively fixed with a connecting seat 9, the end faces of the front end and the rear end of each connecting seat 9 are respectively provided with a connecting part which is used for being connected with a jacking oil cylinder 6 of the corresponding end, and the connecting seats 9 form sliding fit with the main beam by means of sliding chutes 10 arranged on the connecting seats. The connecting seat 9 is fixed on the pressing plate 5, the tight oil cylinder 6 is connected with the connecting seat 9 through the connecting part, the pressing plate 5 does not need to be transformed, the structure is simple, and the dismounting is convenient. The arrangement of the slide groove 10 on the connecting seat 9 can further improve the stability of the pressing plate 5 in the moving process.

The pressing plate 5 comprises an upper plate body 5-1, a lower plate body 5-2 and a left side plate 5-3 and a right side plate 5-3 which are connected between the upper plate body 5-1 and the lower plate body 5-2, at least three transverse reinforcing plates 5-4 are arranged between the upper plate body 5-1 and the lower plate body 5-2 along the vertical direction, two ends of each transverse reinforcing plate 5-4 respectively penetrate through the corresponding side plate 5-3 and extend to the outside of the corresponding side plate 5-3, longitudinal reinforcing plates 5-5 are fixed between the transverse reinforcing plate 5-4 positioned at the top and the upper plate body 5-1, between the transverse reinforcing plate 5-4 positioned at the bottom and the lower plate body 5-2 and between the adjacent transverse reinforcing plates 5-4, and the transverse reinforcing plates 5-4 positioned at the outside of the side plates 5-3 and the longitudinal reinforcing plates 5-5 form a connecting seat 9 together. As shown in fig. 12, the upper plate body 5-1, the lower plate body 5-2 and the transverse reinforcing plate 5-4 are all horizontally arranged, the side plate 5-3 and the longitudinal reinforcing plate 5-5 are both vertically arranged, the length direction is arranged along the front-back direction, the upper plate body 5-1, the lower plate body 5-2 and the side plate 5-3 enclose a hollow structure, so that the weight of the pressing plate 5 and the connecting seat 9 can be reduced, and the transverse reinforcing plate 5-4 and the longitudinal reinforcing plate 5-5 can play a supporting role, so that the strength of the pressing plate 5 and the connecting seat 9 can be improved.

The connecting component is an inserting groove 11 used for inserting and tightly propping the movable end of the oil cylinder, and the front inserting groove 11 and the rear inserting groove 11 are coaxially arranged. As shown in figure 1, two tightening cylinders 6 positioned on the same side of the pressing plate 5 are symmetrically arranged front and back, when one tightening cylinder 6 extends to push the connecting seat 9 to move forwards or backwards, the other tightening cylinder 6 contracts, and the structure is simple and the use is convenient.

The main beam is divided into an upper beam body 12 and a lower beam body 13, the number of the upper beam body 12 and the number of the lower beam body 13 are two, the upper beam body 12 and the lower beam body 13 are arranged along the left-right direction, the pressing plate 5 forms rolling fit with the upper beam body 12 by means of the roller 8, the pressing plate 5 forms sliding fit with the upper beam body 12 and the lower beam body 13 by means of the sliding groove 10 arranged on the pressing plate, and the sliding groove 10 is located below the roller 8. The upper beam body 12 and the lower beam body 13 play a weighing role together, the sliding groove 10 and the roller 8 play a moving role simultaneously, the burden of the roller 8 can be reduced, the abrasion speed of the roller 8 is reduced, the service life of the roller 8 is prolonged, and the stability of the pressing plate 5 in the motion process can be improved due to the arrangement of the sliding groove 10.

The sliding grooves 10 are divided into an upper sliding groove and a lower sliding groove, wherein the upper sliding groove is formed in the upper end face of the connecting seat 9, the opening of the upper sliding groove faces upward, the lower sliding groove is formed in the lower end face of the connecting seat 9, the opening of the lower sliding groove faces downward, and sliding fit is formed between the upper beam body 12 and the upper sliding groove and between the lower beam body 13 and the lower sliding groove. As shown in fig. 12, during installation, the upper beam body 12 is inserted between the roller 8 and the upper chute, the lower beam body 13 is installed below the lower chute, and the upper chute and the lower chute are matched to form an upper-layer supporting sliding structure and a lower-layer supporting sliding structure, so that the pressing plate 5 and the connecting seat 9 are more stable and reliable during movement. The number of the upper sliding grooves and the lower sliding grooves on each connecting seat 9 is two, the two upper sliding grooves and the two lower sliding grooves are arranged along the front and back direction, and the stability is better.

The outer sides of the end parts of the two upper beam bodies 12 are respectively fixed with a pull plate oil cylinder seat 14, and the fixed end of the pull plate oil cylinder 7 is fixed with the pull plate oil cylinder seat 14 during installation, so that the pull plate oil cylinder 7 is simpler and more convenient to install. The connecting vertical plate 15 and the jacking oil cylinder supporting seat 16 are fixed between the end part of the upper beam body 12 and the end part of the lower beam body 13 which are positioned on the same side of the rack, the connecting vertical plate 15 is positioned on the inner side of the upper beam body 12 and the inner side of the lower beam body 13, the jacking oil cylinder supporting seat 16 is positioned on the outer side of the upper beam body 12 and the outer side of the lower beam body 13, a horizontal positioning shaft 17 which is fixedly connected with the connecting vertical plate 15 and used for sleeving the fixed end of the jacking oil cylinder 6 is arranged between the connecting vertical plate 15 and the jacking oil cylinder supporting seat 16, and the jacking oil cylinder supporting seat 16 and the lower beam body 13 are fixedly connected by virtue of a detachable locking part 18. As shown in fig. 14, the tightening cylinder support base 16 is a u-shaped structure with an opening facing the direction of the connecting riser 15, the upper end of the connecting riser 15 extends upward to form an upper positioning edge, the lower end of the connecting riser 15 extends downward to form a lower positioning edge, when in installation, the fixing end of the tightening cylinder 6 is sleeved on the horizontal positioning shaft 17, and then the locking member 18 is used for fixing the upper positioning edge of the tightening cylinder support base 16 with the upper beam body 12 and the lower positioning edge with the lower beam body 13. When the locking piece 18 is detached, the locking piece 18 is separated from the upper beam body 12 and the lower beam body 13, and then the jacking oil cylinder supporting seat 16 is detached. Simple structure, firm in connection is reliable, and easy dismounting is swift, labour saving and time saving. The locking piece 18 is a bolt, a screw or a rivet, and has the advantages of convenient material obtaining and low cost. A positioning hole is formed in the position, corresponding to the horizontal positioning shaft 17, of the jacking oil cylinder supporting seat 16, and the horizontal positioning shaft 17 is inserted into the positioning hole, so that the jacking oil cylinder supporting seat 16 can also play a role in supporting the jacking oil cylinder 6.

Protective plates 19 are fixed to the end faces of the front and rear ends of the pressing plate 5. Two guard plates 19 are in the middle of pressing from both sides pressure strip 5 around, and guard plate 19 and filter plate 1 contact can avoid pressure strip 5 direct and filter plate 1 contact, avoid pressure strip 5 corroded to extension pressure strip 5's life, simple structure, the guard effect is good.

Handles 2 which are used for being connected with a main beam of the filter press are fixed on the left side and the right side of the upper end of the filter plate 1, each handle 2 comprises a connecting plate 2-1 which is fixedly connected with the filter plate 1, and a positioning plate 2-3 which is connected with the middle part of the connecting plate 2-1 at one end and is bent downwards to form a limiting edge 2-2 at the other end, a cavity between the limiting edge 2-2 and the connecting plate 2-1 is a containing cavity of the main beam, the side wall of the containing cavity is in sliding fit with the main beam, a connecting rod 2-4 which is used for sleeving a connecting piece and/or a movable end of a pulling plate oil cylinder 7 is fixed on the outer side of the lower end of the limiting edge 2-2, one end of the connecting rod 2-4, which is far away from the limiting edge 2-2, is provided with an anti-off handle head 2-5, and the connecting rod 2-4 are in detachable connection. When the connecting piece and/or the pull plate oil cylinder 7 needs to be connected, the movable end of the connecting piece and/or the pull plate oil cylinder 7 is directly sleeved on the connecting rod 2-4 of the handle 2, and then the anti-falling handle head 2-5 and the connecting rod 2-4 are fixed together, so that the connection between the handle 2 and the main beam is not influenced, the connecting piece and/or the pull plate oil cylinder 7 can be quickly fixed between the limiting edge 2-2 and the anti-falling handle head 2-5, the structure is simple, the disassembly and the assembly are convenient and quick, and the time and the labor are saved.

The connecting piece is a pulling plate 3, the pulling plate 3 comprises a plate body 3-1, and a slide way 3-2 and a positioning hole 3-3 which are arranged on the plate body 3-1, the positioning hole 3-3 is positioned at the front/rear end of the plate body 3-1, one end of the slide way 3-2 is positioned at the rear/front end of the plate body 3-1, the other end of the slide way 3-2 is inclined downwards, as shown in figure 9, the length direction of the slide way 3-2 is arranged along the front and rear direction, the rear end of the slide way 3-2 is inclined downwards, and the front end and the rear end of the pulling plate 3 are respectively sleeved on connecting rods 2-4 of two adjacent filter plates 1 or between the connecting rods 2-4 of the filter plates 1 and a pressing plate 5 through the slide way 3-2 and the positioning hole 3-3. As shown in fig. 10, there are two filter plates 1 in front and back, the front end of the pulling plate 3 is sleeved on the connecting rod 2-4 located in front through the slide 3-2, the back end of the pulling plate 3 is sleeved on the connecting rod 2-4 located in back through the positioning hole 3-3, when the distance between the two filter plates 1 is the largest, the connecting rod 2-4 in front just slides to the foremost end of the slide 3-2, at this time, as shown in fig. 10, when the distance between the two filter plates 1 is reduced, the connecting rod 2-4 in front slides backwards along the slide 3-2, so that the front end of the pulling plate 3 rotates upwards with the connecting rod 2-4 in back as the center, and when the two filter plates 1 are in close contact, the connecting rod 2-4 in front just slides to the rearmost end of the slide 3-2. The adjacent filter plates 1 are connected by the pulling plate 3, so that the filter plates 1 are more stable and reliable when sliding.

The connection between the anti-drop head 2-5 and the connecting rod 2-4 can be made in many ways, for example, a pin hole is formed on the side wall of the anti-drop head 2-5, a tightening pin shaft is arranged in the pin hole and is in threaded connection with the pin hole, and the tightening pin shaft is tightly contacted with the connecting rod 2-4, so that the anti-drop head 2-5 and the connecting rod 2-4 are fixed together. Or an external thread is arranged at the end part of the connecting rod 2-4, an internal thread is arranged on the anti-falling handle head 2-5, and the anti-falling handle head 2-5 is in threaded connection with the connecting rod 2-4. The utility model discloses a second kind, firm in connection is reliable, and easy dismounting is swift, labour saving and time saving.

The filter plate 1 comprises a frame 1-1 and a core plate 1-2 arranged inside the frame 1-1, a cavity between two sides of the core plate 1-2 and the frame 1-1 forms a filter cavity 1-3, a liquid outlet channel 1-5 used for communicating the filter cavity 1-3 with the outside is arranged at the bottom of the frame 1-1, a feed hole 1-4 used for communicating the filter cavities 1-3 at two sides of the core plate 1-2 is arranged at the center of the core plate 1-2, and all the filter cavities 1-3 work simultaneously, so that the working efficiency can be improved. The two sides of the core plate 1-2 are provided with top platforms 1-6 fixedly connected with the frame 1-1, the top platforms 1-6 are in contact with the core plate 1-3, and a cavity between every two adjacent top platforms 1-6 is a filter cavity 1-3 for preventing the core plate 1-2 from being damaged due to overlarge pressure bearing in a filter pressing stage. A ball valve water nozzle 1-7 communicated with the liquid outlet channel 1-5 is arranged outside the lower end of the frame 1-1. When filtrate needs to be discharged, the ball valve water nozzle 1-7 is opened and is closed when not needed, and the automatic filter is simple in structure, convenient and quick to operate, time-saving and labor-saving. The ball valve water nozzle 1-7 is in threaded connection with the liquid outlet channel 1-5, so that the connection is firm and reliable, the disassembly and the assembly are convenient and quick, and the time and the labor are saved.

The utility model discloses when specifically using, as shown in fig. 1 and fig. 3, the front end and the rear end of frame are provided with a thrust plate 4 respectively, all are provided with inlet port 21 on two thrust plates 4, and two inlet port 21 are connected with material feeding unit with the help of a branch material pipe 20 respectively, all are provided with the ooff valve on every branch material pipe 20. A first filter plate group and a second filter plate group are arranged between the pressing plate 5 and each thrust plate 4, two pull plate oil cylinders 7 located in front of the pressing plate 5 and two pull plate oil cylinders 7 located behind the pressing plate 5 are symmetrically arranged front and back, and two jacking oil cylinders 6 located in front of the pressing plate 5 and two jacking oil cylinders 6 located behind the pressing plate 5 are also symmetrically arranged front and back.

The following description is given in detail by taking two pull plate oil cylinders 7 and two puller oil cylinders 6 positioned in front of a compression plate 5 as an example, wherein a first filter plate group and a second filter plate group are sequentially arranged in front of the compression plate 5 from front to back, the two pull plate oil cylinders 7 are arranged along the left-right direction, the fixed ends of the two pull plate oil cylinders are respectively and fixedly connected with the front ends of upper beam bodies 12 on the corresponding sides, and the movable ends of the pull plate oil cylinders 7 are connected with handles 2 on the rearmost filter plates 1 in the first filter plate group; two tight hydro-cylinders 6 in top that are located the mounting panel 5 the place ahead set up and lie in respectively along left right direction between the upper beam body 12 and the underbeam body 13 of corresponding side, and the stiff end of tight hydro-cylinder 6 in top is connected with the front end of upper beam body 12 and underbeam body 13, and the expansion end of tight hydro-cylinder 6 in top is pegged graft with the cartridge groove 11 of the preceding terminal surface of connecting seat 9.

During filter pressing, firstly, extending a jacking oil cylinder 6 behind a pressing plate 5, contracting the jacking oil cylinder 6 in front of the pressing plate 5, enabling the pressing plate 5 to move forwards, enabling all filter plates 1 in front of the pressing plate 5 to be in close contact with each other, enabling all filter plates 1 to be in close contact with a thrust plate 4 at the front end, and enabling all filter plates 1 to be in close contact with a protection plate 19 at the front end face of the pressing plate 5 to form a plurality of sealed filter chambers, enabling the movable ends of all jacking oil cylinders 6 and the movable end of a pull plate oil cylinder 7 to reach the forefront at the moment, enabling materials in a feeding device to enter the filter chamber between the forefront filter plate 1 and the thrust plate 4 through a material distributing pipe 20 and a feeding port on the thrust plate 4 at the front, enabling a part of filter liquor to be discharged to an external liquid tank of a cavity through liquid outlet channels 1-5 and ball valve nozzles 1-7 for filter pressing along with increase of the materials, and enabling formed filter cakes to remain in the filter chambers; the other part of the materials enter the filter cavities 1-3 through the feed inlets 1-4 in the centers of the filter plates 1, as shown by solid arrows in fig. 11, the materials in the filter cavities 1-3 are filtered and trapped in the filter cavities 1-3 to form filter cakes, the filter cakes are discharged to the outside when unloading is carried out, filtrate is discharged to an external liquid tank of the cavities through the liquid outlet channels 1-5 and the ball valve water nozzles 1-7, and in order to discharge the filtrate in the liquid outlet channels 1-5 in time, all the ball valve water nozzles 1-7 on two sides can be selected to be opened according to actual needs, or only one of the ball valve water nozzles is opened, so that the use requirements can be better met.

After filter pressing is completed, the tightening cylinder 6 in front of the pressing plate 5 is extended, the tightening cylinder 6 and the pulling cylinder 7 in back of the pressing plate 5 are retracted, the pressing plate 5 moves backwards, the pressing plate 5 drives the filter plate 1 of the second filter plate group in front of the pressing plate to move backwards, meanwhile, the pulling cylinder 7 in front of the pressing plate 5 is extended, finally, a plurality of sealed filter chambers are formed by tight contact between the filter plate 1 and the filter plate 1 in front of the pressing plate 5, between the filter plate 1 and the pressing plate 5 and between the filter plate 1 and the thrust plate 4 and between the filter plate 1 and the thrust plate 19 on the back end face of the pressing plate 5 and between the filter plate 1 and the thrust plate 4, at the moment, the movable ends of all the tightening cylinders 6 and the movable ends of the pulling cylinder 7 reach the rearmost position, then materials in the feeding device enter the filter chamber between the rearmost thrust plate 1 and the thrust plate 4 through the material distributing pipe 20 and the feeding port on the thrust plate 4, then filter pressing plate is performed, and filter pressing is performed, and the filter pressing plate 5 can move forwards repeatedly.

According to the filter press, when the front part of the pressing plate 5 is in the filter pressing process, the rear part of the pressing plate 5 is in the filter pressing process, the front part and the rear part alternately perform filter pressing, and the filter efficiency can be greatly improved within the limited length range of the filter press. The front end and the rear end of the frame are both provided with two jacking oil cylinders 6 and two pull plate oil cylinders 7, a mechanism for pushing the pressing plate 5 in a two-way four-oil cylinder mode is formed, the pressing plate 5 is stable and reliable in the moving process, the pressing plate 5 and the filter plate 1 are uniformly stressed, the sealing effect of the filter chamber is good, the material leakage can be avoided, the feeding time is shortened, the production efficiency can be improved by 20%, and the device is particularly suitable for the long and narrow use environment of an underground roadway of a mine field.

Claims

1. Two-way four hydro-cylinder pressure filter, including setting up the girder in the frame, still include thrust plate (4) be connected with the girder, pressure strip (5) and set up filter plate (1) between thrust plate (4) and pressure strip (5), be provided with feed port (21) on thrust plate (4) and girder fixed connection and thrust plate (4), pressure strip (5) have along the removal degree of freedom of fore-and-aft direction, its characterized in that with the help of tight hydro-cylinder (6) in top: both ends all are fixed with thrust plate (4) around the girder, pressure strip (5) are located between two thrust plates (4), filter plate (1) between pressure strip (5) and every thrust plate (4) all divide into first filter plate group and second filter plate group and first filter plate group is located the one side that is close to thrust plate (4), between adjacent filter plate (1) of same filter plate group, all be connected with the help of the connecting piece between filter plate (1) that is close to pressure strip (5) in the second filter plate group and this pressure strip (5), the left side at both ends around pressure strip (5), the right side all is connected with tight hydro-cylinder (6) in top, the left side at both ends around the girder, the right side all is provided with arm-tie hydro-cylinder (7), the one end and the frame fixed connection of arm-tie hydro-cylinder (7), the filter plate (1) fixed connection of keeping away from thrust plate (4) in the other end and the first filter plate group.

2. The two-way four-cylinder filter press of claim 1, wherein: the left side and the right side of the upper end of the pressing plate (5) are provided with idler wheels (8) which are used for forming rolling fit with a main beam of a filter press, the middle parts of the left side and the right side of the pressing plate (5) are respectively fixed with a connecting seat (9), the end faces of the front end and the rear end of each connecting seat (9) are respectively provided with a connecting part which is used for being connected with a jacking oil cylinder (6) of the corresponding end, and the connecting seats (9) form sliding fit with the main beam by means of sliding chutes (10) arranged on the connecting seats.

3. The two-way four-cylinder filter press of claim 2, wherein: the connecting component is an insertion groove (11) used for inserting and tightly propping the movable end of the oil cylinder, and the front insertion groove and the rear insertion groove (11) are coaxially arranged.

4. The two-way four-cylinder filter press of claim 2, wherein: the girder divide into the upper beam body (12) and the underbeam body (13), the quantity of the upper beam body (12) and the underbeam body (13) all is two and all arranges along left right direction, pressure strip (5) form the roll fit with the upper beam body (12) with the help of gyro wheel (8), pressure strip (5) form sliding fit with the upper beam body (12) and the underbeam body (13) simultaneously with the help of spout (10) that set up on it, spout (10) are located gyro wheel (8) below.

5. The two-way four-cylinder filter press of claim 4, wherein: the outer sides of the end parts of the two upper beam bodies (12) are respectively fixed with a pulling plate oil cylinder seat (14), a connecting vertical plate (15) and a jacking oil cylinder supporting seat (16) are fixed between the end part of the upper beam body (12) and the end part of the lower beam body (13) which are positioned on the same side of the rack, the connecting vertical plate (15) is positioned on the inner sides of the upper beam body (12) and the lower beam body (13), the jacking oil cylinder supporting seat (16) is positioned on the outer sides of the upper beam body (12) and the lower beam body (13), a horizontal positioning shaft (17) which is fixedly connected with the connecting vertical plate (15) and used for sleeving the fixed end of the jacking oil cylinder (6) is arranged between the connecting vertical plate (15) and the jacking oil cylinder supporting seat (16), and the upper beam body (12) and the jacking oil cylinder supporting seat (16) and the lower beam body (13) are fixedly connected by means of a detachable locking piece (18).

6. The two-way four-cylinder filter press of claim 1, wherein: and protective plates (19) are fixed on the end surfaces of the front end and the rear end of the compression plate (5).

7. The two-way four-cylinder filter press of claim 1, wherein: handles (2) used for being connected with a main beam of the filter press are fixed on the left side and the right side of the upper end of the filter plate (1), each handle (2) comprises a connecting plate (2-1) fixedly connected with the filter plate (1) and a positioning plate (2-3) with one end connected with the middle of the connecting plate (2-1) and the other end bent downwards to form a limiting edge (2-2), a cavity between the limiting edge (2-2) and the connecting plate (2-1) is a containing cavity of the main beam, the side wall of the containing cavity is in sliding fit with the main beam, a connecting rod (2-4) used for sleeving a connecting piece and/or a movable end of a pull plate oil cylinder (7) is fixed on the outer side of the lower end of the limiting edge (2-2), an anti-falling handle head (2-5) is arranged at one end, far away from the limiting edge (2-2), of the connecting rod (2-4), and the connecting rod (2-4) are detachably connected.

8. The two-way four-cylinder filter press of claim 7, wherein: the connecting piece is a pulling plate (3), the pulling plate (3) comprises a plate body (3-1), and a slide way (3-2) and a positioning hole (3-3) which are arranged on the plate body (3-1), the positioning hole (3-3) is positioned at the front/rear end of the plate body (3-1), one end of the slide way (3-2) is positioned at the rear/front end of the plate body (3-1), the other end of the slide way (3-2) inclines downwards, and the front end and the rear end of the pulling plate (3) are respectively sleeved on connecting rods (2-4) of two adjacent filter plates (1) or between the connecting rods (2-4) of the filter plates (1) and a pressing plate (5) by means of the slide way (3-2) and the positioning hole (3-3).

9. The two-way four-cylinder filter press of claim 7, wherein: the end part of the connecting rod (2-4) is provided with an external thread, the anti-falling handle head (2-5) is provided with an internal thread, and the anti-falling handle head (2-5) is in threaded connection with the connecting rod (2-4).

10. The two-way four-cylinder filter press of claim 1, wherein: the filter plate (1) comprises a frame (1-1) and a core plate (1-2) arranged inside the frame (1-1), wherein a filter cavity (1-3) is formed by two sides of the core plate (1-2) and a cavity between the frame (1-1), a liquid outlet channel (1-5) used for communicating the filter cavity (1-3) and the outside is formed at the bottom of the frame (1-1), and a feeding hole (1-4) used for communicating the filter cavity (1-3) at two sides of the core plate (1-2) is formed in the center of the core plate (1-2).