Sludge treatment device with filter pressing function

Abstract

The utility model relates to the technical field of filter presses, and discloses a sludge treatment device with a filter pressing function, which comprises a first push plate and a second push plate, the top of the first push plate and the top of the second push plate are both fixedly connected with a top frame, and a plurality of filter pressing plates are arranged on the adjacent surfaces of the first push plate and the second push plate. A plurality of transmission rods are hinged between the filter pressing plates, the transmission rods are arranged in a staggered mode, the intersection positions of the transmission rods are hinged, an outer frame is fixedly connected to the outer side of the first push plate, and air cylinders are fixedly installed on the two sides of the outer frame respectively. According to the utility model, the plurality of filter pressing plates are combined, a closed filtering chamber is formed between every two adjacent filter pressing plates, solid and liquid are primarily separated by the filter pressing plates, and a mud plate is intercepted on the surface of the filter cloth, so that solid-liquid separation is realized, and the filter pressing plates are combined, separated and adjusted by unfolding the plurality of filter pressing plates; and the synchronism of telescopic adjustment of the two telescopic frames is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter press technical field especially a sludge treatment device with filter pressing function. BACKGROUND

[0002] Sludge is by water and solid precipitate material of sewage treatment process, its organic matter content is high, easy to rot and stink, has very big influence to atmosphere and the growth of plant, and sludge contains a large amount of water, so need to carry out the treatment work to sludge, namely the water content in sludge is separated, realizes the dehydration purpose of sludge.

[0003] Firstly, the plate-and-frame filter press is mainly composed of filter plates and filter frames arranged alternately, the edges of the filter plates and the filter frames have sealing structures, the filter plates are covered with filter cloths, the filter frames are used for containing sludge, and the filter plates are used for supporting the filter cloths and providing channels for the outflow of filtrate; when the sludge is transported into the filter frames by a feeding pump, under the action of pressure, the liquid part in the sludge starts to pass through the tiny pores of the filter cloths, the filter cloths play the role of filter medium, which allows the liquid to pass through while preventing the solid particles from passing through; since the space between the filter plates and the filter frames is sealed, as the sludge continuously enters and the pressure increases, the liquid continuously passes through the filter cloths, while the solid particles are trapped in the filter frames and gradually accumulate to form a sludge cake; as the filtration process proceeds, the thickness of the sludge cake continuously increases, and the filtration resistance also gradually increases, but under the continuous action of pressure, the filtration can still continue until the filtration speed becomes very slow or the preset filtration time or pressure limit is reached.

[0004] Generally, the mud plates generated by the filtration in the filter plates fall through the gaps between the filter plates by themselves; when the viscosity component in the sludge in the filter plates is high, the mud plates are easily tightly adhered to the filter plates, so it is inconvenient to clean the mud plates. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a sludge treatment device with filter pressing function, which aims to improve the problem that the viscosity component in the sludge in the filter plates is high and inconvenient to clean.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a sludge treatment device with filter pressing function, including a push plate, the top of push plate No. 2 is all fixedly connected with the top frame, the side of push plate No. 1 and push plate No. 2 is adjacent and is provided with a plurality of filter pressing plates, a plurality of transmission rods are hinged between the filter pressing plate, the transmission rod is staggered and is set up, each hinge is crossed between the transmission rod, the outside fixed connection of push plate No. 1 is provided with the outer frame, the both sides of outer frame are respectively fixedly installed with the pneumatic cylinder, the telescopic end of pneumatic cylinder is rotatably connected with the hinge shaft of transmission rod one end, be provided with the unloading assembly on the filter pressing plate.

[0007] As further description of the above technical scheme: the unloading assembly includes reciprocating screw rod, the both ends of reciprocating screw rod are respectively movably penetrated through the inner wall of the both sides of filter plate, the both ends of reciprocating screw rod are respectively fixedly connected with driven gear, the bottom of top frame is fixedly connected with the tooth, the side of two driven gears is adjacent and is engaged with the tooth, the surface of reciprocating screw rod is threadedly provided with sliding block, the bottom of sliding block is fixedly connected with scraper.

[0008] As further description of the above technical scheme: the inside of filter pressing plate is provided with a chute, the sliding block is rectangular, the scraper is strip-shaped, the sliding block is in contact with the groove wall of chute and is slidably connected.

[0009] As further description of the above technical scheme: the bottom of two push plate No. 1, push plate No. 2 is all fixedly connected with the collection bottom shell, the one side of collection bottom shell is provided with the mud plate outlet, the top opening of collection bottom shell is provided.

[0010] As further description of the above technical scheme: the push plate No. 2 and filter pressing plate are all rectangular, the edge of push plate No. 2 and filter pressing plate is in contact with the top of top frame and collection bottom shell and is slidably connected.

[0011] As further description of the above technical scheme: the side of push plate No. 1 and push plate No. 2 is away from each other and is all communicated and is provided with the mud discharge pipe, the surface of mud discharge pipe is fixedly connected with the feed pump.

[0012] As further description of the above technical scheme: the bottom of filter pressing plate is provided with the discharge port, and the discharge port is strip-shaped.

[0013] As further description of the above technical scheme: the scraper is strip-shaped, and the side of the scraper adjacent to the filter pressing plate is in contact.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, through setting up several filter plates, cooperating with the meshing effect of driven gear and gear teeth, the scraper reciprocates left and right, the mud plate on the filter plate is scraped off by the scraper, and the mud plate produced by the filter plate is dropped into the bottom collecting bottom shell under the action of the scraper through the gap between the filter plates.

[0016] 2. In the utility model, through the combination of several filter plates, a closed filter chamber is formed between the two adjacent filter plates, the solid and liquid are preliminarily separated by the filter plate, and the mud plate is intercepted on the filter cloth surface, so that solid-liquid separation is realized, the filter plate combination separation adjustment operation is realized through the expansion of several filter plates, and the synchronism of the telescopic adjustment of the two telescopic frames is guaranteed. DRAWINGS

[0017] Figure 1 It is a front view of the sludge treatment device with the filter pressing function provided by the utility model;

[0018] Figure 2 It is a bottom view of the sludge treatment device with the filter pressing function provided by the utility model;

[0019] Figure 3 It is a structure schematic view of the cylinder, transmission rod, driven gear, first push plate, second push plate and filter plate of the sludge treatment device with the filter pressing function provided by the utility model;

[0020] Figure 4 It is a side sectional view of the filter plate of the sludge treatment device with the filter pressing function provided by the utility model.

[0021] Legend:

[0022] 1, collecting bottom shell; 2, mud plate outlet; 3, outer frame; 4, cylinder; 5, top frame; 7, filter plate; 8, mud discharge pipe; 9, first push plate; 10, discharging port; 11, reciprocating screw rod; 12, sliding block; 13, scraper; 14, gear teeth; 15, driven gear; 16, transmission rod; 17, second push plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Reference Figure 1 , Figure 2The utility model provides a kind of sludge treatment device with filter-pressing function, including one push plate 9, two push plates 17, the top of one push plate 9, two push plates 17 is fixedly connected with top frame 5, the bottom of two one push plate 9, two push plates 17 is fixedly connected with collection bottom shell 1, mud plate outlet 2 is established in the side of collection bottom shell 1, and collected mud is discharged by mud plate outlet 2, and the top opening of collection bottom shell 1 is arranged, and the mud plate produced by the filtration in filter-pressing plate 7 is dropped into bottom collection bottom shell 1 by the gap between filter-pressing plate 7, one push plate 9 is provided with a plurality of filter-pressing plate 7 in the side adjacent to two push plates 17, when filter-pressing plate 7 is combined, the space between filter-pressing plate 7 is sealed, along with the continuous entry of sludge and the increase of pressure, liquid continues to pass through filter cloth, and solid particles are retained in filter frame and gradually accumulated to form mud plate, two push plates 17 and filter-pressing plate 7 are rectangular, and the edge of two push plates 17 and filter-pressing plate 7 is in contact with the top of top frame 5 and collection bottom shell 1 and is slidably connected, two push plates 17 and filter-pressing plate 7 are more stable in the inside sliding of top frame 5 and collection bottom shell 1, a plurality of transmission rods 16 are hingedly connected between filter-pressing plate 7, transmission rod 16 is in staggered arrangement, and each hinged intersection is between transmission rod 16, the outside of one push plate 9 is fixedly connected with outer frame 3, outer frame 3 is fixedly installed with cylinder 4 on both sides respectively, and the telescopic end of cylinder 4 is rotatably connected with the hinged shaft of one end of transmission rod 16, and the transmission rod 16 on both sides of outer frame 3 is driven to contract by two cylinders 4, a plurality of filter-pressing plate 7 rotates around the hinged portion of transmission rod 16, and the effect that filter-pressing plate 7 is combined is realized by folding between transmission rod 16, one push plate 9, two push plates 17 are communicated and arranged with mud discharge pipe 8 on the side away from each other, and the surface of mud discharge pipe 8 is fixedly connected with feed pump, and sludge and sewage are transported to the inside of filter-pressing plate 7 by mud discharge pipe 8 and feed pump, under the action of pressure, liquid part in sludge starts to pass through the tiny aperture of filter cloth, and filter cloth plays the role of filter medium, which allows liquid to pass through, while preventing solid particles from passing through, and unloading assembly is arranged on filter-pressing plate 7.

[0025] Refer to Figure 3 、 Figure 4The unloading assembly comprises a reciprocating screw rod 11, the two ends of the reciprocating screw rod 11 are movably penetrated through the inner walls of the two sides of the filter plate, the two ends of the reciprocating screw rod 11 are fixedly connected with driven gears 15, the bottom of the top frame 5 is fixedly connected with a gear tooth 14, the two driven gears 15 are engaged with the side adjacent to the gear tooth 14, are extended through the extension end of the air cylinder 4, are simultaneously separated through the extension between the transmission rods 16, in the process of separating the filter plates 7, the driven gears 15 are rotated under the meshing action of the gear tooth 14, the driven gears 15 drive the reciprocating screw rod 11 to rotate, the surface of the reciprocating screw rod 11 is threadedly sleeved with a sliding block 12, the inner side of the filter plate 7 is provided with a sliding groove, the sliding block 12 is rectangular, the scraper 13 is strip-shaped, the sliding block 12 is in contact with and slidably connected with the groove wall of the sliding groove, the reciprocating screw rod 11 drives the sliding block 12 to reciprocate left and right, the sliding groove plays a limiting role on the sliding block 12, so that the sliding block 12 slides more stably in the sliding groove, then the scraper 13 moves with the sliding block 12, the bottom of the sliding block 12 is fixedly connected with the scraper 13, the bottom of the filter plate 7 is provided with a discharge port 10, the discharge port 10 is strip-shaped, the scraper 13 is strip-shaped, the scraper 13 is in contact with the side adjacent to the filter plate 7, the scraper 13 scrapes the mud plate on the filter plate 7, the mud plate generated by the internal filtration of the filter plate 7 falls into the bottom collecting bottom shell 1 under the action of the scraper 13 through the gap between the filter plates 7.

[0026] Working principle: by starting two air cylinders 4, the two air cylinders 4 drive the transmission rods 16 on the two sides of the outer frame 3 to shrink, the filter plates 7 between the several filter plates 7 rotate around the hinged portions of the transmission rods 16, the transmission rods 16 are folded to realize the effect of merging the filter plates 7, then the feed pump is opened, the sewage is injected through the mud discharge pipe 8, when the filter plates 7 are merged, a closed filter chamber is formed between the two adjacent filter plates 7, the solid and liquid are preliminarily separated by the filter plates 7, the mud plate is intercepted on the surface of the filter cloth, so that the solid-liquid separation is realized; then the air cylinder 4 is started again, the extension end of the air cylinder 4 is extended, the transmission rods 16 are simultaneously separated through the extension between the transmission rods 16, in the process of separating the filter plates 7, the driven gears 15 are rotated under the meshing action of the gear tooth 14, the driven gears 15 drive the reciprocating screw rod 11 to rotate, the reciprocating screw rod 11 drives the sliding block 12 to reciprocate left and right, then the scraper 13 moves with the sliding block 12, the scraper 13 scrapes the mud plate on the filter plate 7, the mud plate generated by the internal filtration of the filter plate 7 falls into the bottom collecting bottom shell 1 under the action of the scraper 13 through the gap between the filter plates 7, the merging and separating adjustment of the filter plates 7 is realized, and the synchronism of the telescopic adjustment of the two telescopic frames is ensured.

[0027] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A sludge treatment device with filter pressing function, comprising a first push plate (9) and a second push plate (17), characterized in that: The top of the first push plate (9) and the second push plate (17) is fixedly connected with a top frame (5), one side of the first push plate (9) and the second push plate (17) is provided with a plurality of filter plates (7), a plurality of transmission rods (16) are hingedly connected between the filter plates (7), the transmission rods (16) are arranged in parallel and staggered, and each intersection between the transmission rods (16) is hingedly connected, the outer side of the first push plate (9) is fixedly connected with an outer frame (3), the both sides of the outer frame (3) are respectively fixedly installed with air cylinders (4), the telescopic end of the air cylinder (4) is rotatably connected with the hinged shaft at one end of the transmission rod (16), and the filter plate (7) is provided with a discharging assembly.

2. The sludge treatment device with filter pressing function according to claim 1, characterized in that: The discharging assembly comprises a reciprocating screw rod (11), both ends of the reciprocating screw rod (11) are movably penetrated through the inner walls on both sides of the filter plate, both ends of the reciprocating screw rod (11) are fixedly connected with driven gears (15), the bottom of the top frame (5) is fixedly connected with a gear (14), one side of each of the two driven gears (15) is engaged with the gear (14), and the surface of the reciprocating screw rod (11) is threadedly provided with a sliding block (12).

3. The sludge treatment device with filter-press function according to claim 2, characterized in that: The inner side of the filter plate (7) is provided with a sliding groove, the sliding block (12) is rectangular, the scraper (13) is strip-shaped, and the sliding block (12) is in sliding connection with the groove wall of the sliding groove.

4. The sludge treatment device with filter-press function according to claim 1, characterized in that: The bottom of each of the two first push plates (9) and the second push plate (17) is fixedly connected with a collecting bottom shell (1), one side of the collecting bottom shell (1) is provided with a mud plate outlet (2), and the top of the collecting bottom shell (1) is provided with an opening.

5. The sludge treatment device with filter-press function according to claim 1, characterized in that: The second push plate (17) and the filter plate (7) are both rectangular, and the edges of the second push plate (17) and the filter plate (7) are in sliding connection with the top of the top frame (5) and the collecting bottom shell (1).

6. The sludge treatment device with filter-press function according to claim 1, characterized in that: The side away from each other of the first push plate (9) and the second push plate (17) is provided with a mud discharge pipe (8) in communication, and the surface of the mud discharge pipe (8) is fixedly connected with a feeding pump.

7. The sludge treatment device with filter-press function according to claim 1, characterized in that: The bottom of the filter plate (7) is provided with a discharge port (10), and the discharge port (10) is strip-shaped.

8. The sludge treatment device with filter-press function according to claim 2, characterized in that: The scraper (13) is strip-shaped, and the scraper (13) is in contact with one side of the filter plate (7).

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