CN211050984U - Novel plate-and-frame filter press - Google Patents

Abstract

The utility model discloses a novel plate and frame filter press, which comprises a frame and a cross beam fixed between the frame, wherein a thrust plate, a filter frame, a filter plate, a push plate and a hold-down mechanism are sequentially arranged on the cross beam from left to right, the filter frame and the filter plate are alternately arranged between the thrust plate and the push plate, the push plate is connected with the hold-down mechanism, the novel plate and frame filter press also comprises a cleaning structure, the cleaning structure comprises a connecting rod and a plurality of push rods arranged on the connecting rod, the connecting rod is arranged above the filter plate, and the two ends of the connecting rod are fixed with the frame; the push rod comprises a connecting part connected with the connecting rod and a push part capable of contacting with the lower filter plate; the cleaning structure is further connected with a lifting mechanism so that the connecting rod can move up and down, and the lifting mechanism comprises a screw rod and a supporting piece which are respectively arranged on the machine frames on the two sides. The utility model discloses the clearance structure has been add at the pressure filter for the pressure filter finishes the back at the dehydration, can clear up remaining montmorillonite filter residue on the filter plate, with the overall output that improves montmorillonite.

Description

Novel plate-and-frame filter press

Technical Field

The utility model relates to a pressure filter technical field especially relates to a novel plate and frame pressure filter.

Background

The montmorillonite is required to be purified in the preparation process, namely the content of the montmorillonite is further improved to meet the content requirement of related products, the purification process of the montmorillonite is to send the crushed raw materials into a beating tank for beating and diluting, and the high-purity montmorillonite semi-finished product can be obtained by settling silt impurities and then dehydrating. In the dewatering process, a plate-and-frame filter press is generally used, wherein filter plates with filtrate passages and filter frames are alternately arranged in parallel, the filter plates and the filter frames are pressed by a pressing mechanism, a filter pressing chamber is formed between the filter plates, materials flow in from a feed inlet, filtrate is discharged from a filtrate outlet through the filter plates, filter residues are accumulated in the filter frames to form filter cake layers, and the filter cake layers are peeled off after the filter plates and the filter frames are loosened, so that the purpose of filtering is achieved. However, in the process of filter pressing of the plate-and-frame filter press, due to continuous filter pressing in a filter chamber formed by the filter plate and the filter frame, the pressure in the filter chamber is increased, and a formed filter cake layer is very compact, so that the filter cake layer cannot easily peel off after the filter plate and the filter frame are loosened, and the filter cake in each filter frame needs to be manually cleaned one by one to drop. In the process of manufacturing the montmorillonite, the filter residue is high-concentration montmorillonite which needs to be continuously utilized in the later period, so that the total available montmorillonite amount can be reduced and the final yield of the montmorillonite is reduced due to the filter residue remained on the filter plate. However, because the filter press body is too large, if filter residues on the filter plates need to be cleaned manually, the working difficulty of workers is increased, and time and labor are wasted. Chinese patent document 201920060753.X proposes a plate and frame filter press, which can vibrate a filter frame when moving on a cross beam by arranging a convex strip on the cross beam provided with the filter frame, thereby automatically shaking a filter cake layer formed in the filter frame. However, the convex strips are arranged in the process that the filter plate and the filter frame start to extrude, filter and extrude, and can stop the movement of the pressing mechanism and the filter plate and the filter frame. And along with filter plate and filter frame in the in-process of closing mechanism drive keeping away from the thrust plate gradually, the filter frame that is close to the thrust plate migration distance is the shortest, and its number of times of contacting with the sand grip is the minimum, still can have the condition that the filter residue is remained.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to overcome the defects, a novel plate-and-frame filter press is provided to ensure the normal operation of the filter press while improving the yield of the montmorillonite.

In order to achieve the above purpose, the technical scheme of the utility model is that: a novel plate-and-frame filter press comprises a frame and a cross beam fixed between the frame, wherein a thrust plate, a filter frame, a filter plate, a push plate and a pressing mechanism are sequentially arranged on the cross beam from left to right; the push rod comprises a connecting part connected with the connecting rod and a push part capable of contacting with the lower filter plate; the cleaning structure is further connected with a lifting mechanism so that the connecting rod can move up and down, and the lifting mechanism comprises a screw rod and a supporting piece which are respectively arranged on the machine frames on the two sides.

Furthermore, the left frame and the right frame are respectively provided with a groove A and a groove B, and the left end and the right end of the connecting rod are respectively positioned in the groove A and the groove B.

Further, a screw rod is vertically fixed in a groove A of the left side rack, and the screw rod and the bottom of the groove A can rotate relatively; and a support piece is arranged in the groove B of the right rack, the support piece comprises blocking pieces which are respectively arranged on the front side wall and the rear side wall of the groove B, and each blocking piece comprises a plurality of blocking blocks which are sequentially spaced.

Further, the transverse length of the pushing part is matched with the distance between the filter plate and the filter frame when the chain is in a straightening state.

Further, the top of the screw rod is connected with a driving device.

Further, the interval between each of the push portions is the same as the thickness of the filter frame.

Furthermore, a slag receiving groove is also arranged below the filter plate.

Since the proposal is adopted, the beneficial effects of the utility model reside in that: the utility model provides a prior art not enough, the utility model provides a novel plate and frame filter press, its benefit is:

(1) the utility model discloses the clearance structure has been add at the pressure filter for the pressure filter finishes the back at the dehydration, can clear up remaining montmorillonite filter residue on the filter plate, with the overall output that improves montmorillonite.

(2) The cleaning structure of the utility model is combined with the lifting mechanism, so that the cleaning structure can be adjusted to the upper part of the filter plate when the filter press is in a filtering state, and the work of the whole filter press is not influenced; after the filtering is finished and the filter plate and the filter frame are separated, the cleaning structure can be adjusted, so that the residual montmorillonite filter residues on the whole filter plate and the filter frame can be pushed out to the residue receiving groove from top to bottom, and the yield of the montmorillonite is improved.

(3) The utility model discloses elevating system only uses an electric drive device, just can realize the rising of whole clearance structure and move down, and the during operation power consumption is few, and great reduction the cost of manufacture of whole pressure filter.

Drawings

Fig. 1 is a schematic structural view of the cleaning structure of the present invention above the filter plate.

Figure 2 is the cleaning structure of the utility model carries out the structural sketch map of the filter residue cleaning.

Fig. 3 is a side view of the frame of the present invention, wherein (a) is a left side view of the frame and (b) is a right side view of the frame.

Reference numerals: 1-frame, 2-beam, 3-filter frame, 4-filter plate, 5-pushing plate, 6-pressing mechanism, 7-thrust plate, 8-connecting rod, 9-connecting part, 10-pushing part, 11-screw rod, 12-supporting part, 13-groove A, 14-groove B, 15-slag receiving groove and 16-driving device.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1-3, a novel plate-and-frame filter press, like the prior art, comprises a frame 1 and a cross beam 2 fixed between the frame 1, wherein a thrust plate 7, a filter frame 3, a filter plate 4, a push plate 5 and a hold-down mechanism 6 are sequentially arranged on the cross beam 2 from left to right, the number of the filter frames 3 and the number of the filter plates 4 are determined according to specific filter pressing requirements, the filter frames 3 and the filter plates 4 are alternately arranged between the thrust plate 7 and the push plate 5, and the push plate 5 is connected with the hold-down mechanism 6. The automatic plate-and-frame filter press also comprises a feeding pipe and a discharging pipe, wherein the feeding pipe is communicated with the feeding holes of the thrust plate 7 and the filter frame 3, and the discharging pipe is communicated with the discharging hole on the filter plate 4. The pressing mechanism 6 is a hydraulic cylinder, a piston rod of the hydraulic cylinder is fixedly connected with the pushing plate 5, and the pushing plate 5 moves towards the direction close to the thrust plate 7 under the driving of the hydraulic cylinder so as to press the filter plate 4 and the filter frame 3. During filtering, the pushing plate 5 is driven by a hydraulic cylinder, the filter plates 4 and the filter frames 3 are tightly pressed between the pushing plate 5 and the thrust plate 7, the filter plates 4 and the filter frames 3 which are alternately arranged form a group of filter chambers, a complete channel is formed between the feed pipe and the discharge pipe as well as each filter plate 4 and each filter frame 3, materials enter the filter chambers through the feed pipe, filter residues are remained in the filter chambers to finally form filter cake layers, and filtrate is discharged from the filter chambers through the discharge holes of the filter plates 4 and flows out of the discharge pipe, so that the materials are filtered. Adjacent filter frame 3 and filter plate 4 are connected through the chain to after filtering, hold-down mechanism 6 drives 5 when keeping away from thrust plate 7 direction and removing of push plate, can pull open the distance because of the chain between filter plate 4 and the filter frame 3, in order to make things convenient for the clearance work of filtering the cake layer in the follow-up filter frame 3.

Because the pressure in the filter chamber is increased along with the pushing of the pressing mechanism 6, the formed filter cake layer is very compact, so that the cake layer can not be easily peeled off after the filter plate 4 and the filter frame 3 are loosened, the normal work of the whole structure of the filter press is affected although the existing filter press structure can make the cake layer fall off, and partial filter residues remained on the filter plate 4 still exist, so that the yield of the final montmorillonite is reduced. Therefore, the application also adds a cleaning structure on the filter press to further improve the output of the montmorillonite and ensure the normal operation of the filter press,

specifically speaking, the clearance structure includes connecting rod 8 and sets up a plurality of push rods on connecting rod 8, and connecting rod 8 sets up in filter plate 4 top, and its both ends are fixed with frame 1. The push rod is fixed through mounting such as screw with 8 bottoms of connecting rod, the push rod includes connecting portion 9 be connected with connecting rod 8 and can push away the portion 10 with the contact of below filter plate 4, pushes away the portion 10 and is used for pushing away the filter residue on filter frame 3, the filter plate 4 and assists the release, still has remaining filter residue on the filter plate 4 after avoiding the filter-pressing. The transverse length of the pushing part 10 is matched with the distance between the filter plate 4 and the filter frame 3 when the chain is in a straightening state, the longitudinal width of the pushing part 10 is not smaller than the width of the filter plate 4 and the filter frame 3, and therefore the left outer wall and the right outer wall of the pushing part 10 can be respectively contacted with the side faces of the filter plate 4 and the filter frame 3 after the filter plate 4 and the filter frame 3 are separated, and filter residues can be pushed out. The interval between each of the push portions 10 is the same as the thickness of the filter frame 3.

Further, in order to facilitate the cleaning structure not to influence the filter press when the filter press works, the cleaning structure is also connected with a lifting mechanism so as to move up and down. Namely, when the filter press works, the worker can adjust the position of the connecting rod 8 by himself to enable the connecting rod to be located above the filter plate 4, so that the work of the filter press is not influenced. When the filtration is finished, the cleaning structure can be started to move downwards after the filter plate 4 and the filter frame 3 are separated, at the moment, because the transverse length of the pushing part 10 is matched with the distance between the filter plate 4 and the filter frame 3, two ends of the pushing part 10 can be pushed from top to bottom from the opposite surface of the filter frame 3 of the filter plate 4 respectively so as to push out the residual filter residue on the surface downwards, and the phenomenon that the residual filter residue exists after the filter pressing and the yield of montmorillonite is reduced is avoided.

Specifically, the lifting mechanism comprises a screw rod 11 and a sliding part which are respectively arranged on the machine frames 1 at two sides. The left frame 1 and the right frame 1 are respectively provided with a groove A13 and a groove B14, namely the cross sections of the grooves are U-shaped, and the left end and the right end of the connecting rod 8 are respectively positioned in the groove A13 and the groove B14. Lead screw 11 is vertically fixed in left side frame 1 recess A13, and lead screw 11 bottom is fixed through bearing and recess A13, and the bearing is fixed in recess A13 bottom promptly, and lead screw 11 cup joints the inside at the bearing, so lead screw 11 can also be rather than relative rotation in the time of can vertically fixing in recess A13. The top of the screw rod 11 is connected with a driving device, and a motor is selected in the embodiment; the connecting rod 8 is sleeved with the outer wall of the screw rod 11 through a connecting hole arranged at the left end of the connecting rod, so that the motor is switched on with an external power supply, the screw rod 11 can start to rotate through the driving of the motor, the connecting rod 8 sleeved on the outer wall of the screw rod 11 can be driven to do vertical linear motion along with the rotation of the screw rod 11, and the connecting rod 8 can move up and down relative to the filter plate 4 below the connecting rod. Be equipped with support piece 12 in the 11 recess B14 of right side frame, support piece 12 is including setting up the piece that stops of lateral wall around recess B14 respectively, stops that the piece includes that a plurality of is spaced apart in proper order stops the piece, and the cross-section that stops the piece is circular-arc, and adopts elastic rubber material. The blocking members are laterally spaced apart a distance such that the right end of the connecting rod 8 can move up and down in the groove B14. When the left end of the connecting rod 8 moves up and down through the screw rod 11, the left end of the connecting rod can drive the right end to move together in the groove B14, and the blocking piece arranged can limit the right end of the connecting rod 8 when the connecting rod is not moved, so that the situation that the right end does not have a support and slides down is avoided. And the lifting structure can realize the movement of the whole connecting rod 8 by using one driving device, and the manufacturing cost is reduced while the structure is simple.

Further, a residue receiving groove 15 is formed below the filter plate 4, so that after filter pressing is completed, filter residues, namely dehydrated montmorillonite, can directly fall into the residue receiving groove below the filter plates, and concentrated treatment of the dehydrated high-concentration montmorillonite is achieved in the later stage.

Parts not described in the above modes can be realized by adopting or referring to the prior art.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel plate and frame filter press, includes frame (1), fixes crossbeam (2) between frame (1), is equipped with thrust plate (7), filter frame (3), filter plate (4), slurcam (5) and hold-down mechanism (6) from a left side to the right side on crossbeam (2) in proper order, filter frame (3) and filter plate (4) set up between thrust plate (7) and slurcam (5) in turn, slurcam (5) are connected its characterized in that with hold-down mechanism (6): the filter plate cleaning device is characterized by further comprising a cleaning structure, wherein the cleaning structure comprises a connecting rod (8) and a plurality of push rods arranged on the connecting rod (8), the connecting rod (8) is arranged above the filter plate (4), and two ends of the connecting rod are fixed with the rack (1); the push rod comprises a connecting part (9) connected with the connecting rod (8) and a push part (10) which can be contacted with the lower filter plate (4); the cleaning structure is further connected with a lifting mechanism, so that the connecting rod (8) can move up and down, and the lifting mechanism comprises a screw rod (11) and a supporting piece (12) which are respectively arranged on the machine frames (1) on the two sides.

2. The novel plate and frame filter press of claim 1, wherein: the left frame (1) and the right frame (1) are respectively provided with a groove A (13) and a groove B (14), and the left end and the right end of the connecting rod (8) are respectively positioned in the groove A (13) and the groove B (14).

3. The novel plate and frame filter press of claim 2, wherein: a screw rod (11) is vertically fixed in a groove A (13) of the left side rack (1), and the screw rod (11) and the bottom of the groove A (13) can rotate relatively; support pieces are arranged in the groove B (14) of the right side rack (1), each support piece comprises blocking pieces which are respectively arranged on the front side wall and the rear side wall of the groove B (14), and each blocking piece comprises a plurality of blocking blocks which are sequentially spaced.

4. The novel plate and frame filter press of claim 1, wherein: the transverse length of the pushing part (10) is matched with the distance between the filter plate (4) and the filter frame (3) when the chain is in a straightening state.

5. The novel plate and frame filter press of claim 3, wherein: the top of the screw rod (11) is connected with a driving device (16).

6. The novel plate and frame filter press of claim 1, wherein: the interval between each pushing part (10) is the same as the thickness of the filter frame (3).

7. The novel plate and frame filter press of claim 1, wherein: a slag receiving groove (15) is also arranged below the filter plate (4).

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