CN-122006306-A - Filter pressing device and filter pressing system

Abstract

The application discloses a filter pressing device, which belongs to the field of filter pressing and comprises a plurality of laminates, a driving system and a filter pressing system, wherein a cavity for accommodating materials is formed between two adjacent laminates, the driving system can drive the adjacent laminates to move relative to a first direction so as to provide pressure for the materials in the cavity to extrude water in the materials to be discharged, and can drive the laminates to move back to increase the space between the adjacent laminates.

Inventors

• XIAO BO
• BI YONGWEI
• WANG ZHEXIAO
• JIANG HONGGUANG
• YUAN HUAJIE
• XIA MAOCHUAN
• LIU YA
• Zhen juan
• YI YANG

Assignees

• 中建环能科技股份有限公司

Dates

Publication Date

20260512

Application Date

20241112

Claims (10)

1. 1. The filter-pressing device, its characterized in that includes: A plurality of laminates (6), wherein a cavity for accommodating materials is formed between two adjacent laminates (6); And the driving system can drive the adjacent laminates (6) to move relative to the first direction to provide pressure for the materials in the cavity to squeeze water in the materials to be discharged, and can drive the laminates (6) to move back to increase the space between the adjacent laminates (6).
2. 2. The filter pressing device according to claim 1, wherein the driving system comprises at least two pressing plates (4), the pressing plates (6) are located in the two pressing plates (4), at least one pressing plate (4) is connected with a power unit, and the power unit can press the pressing plates (4) to enable the two pressing plates (4) to move relatively so as to press the adjacent pressing plates (6) to move relatively.
3. 3. The filter pressing device according to claim 2, wherein the driving system further comprises a frame (2), the power unit is at least one hydraulic cylinder (1), and the hydraulic cylinder (1) is fixed on the frame (2) and connected with at least one pressing plate (4).
4. 4. Filter pressing device according to claim 2, characterized in that the filter pressing device further comprises a number of connecting members (7), which connecting members (7) connect adjacent laminates (6) to provide a transmission of adjacent laminates (6).
5. 5. The filter press apparatus of claim 4 wherein the distance between the connection point of the connecting member and the adjacent laminate in the first direction can be controlled to vary.
6. 6. The filter press apparatus of claim 5, wherein the length of the connecting member is adjustable.
7. 7. Filter pressing device according to claim 5, characterized in that at least one of the plates (6) connected to the connecting element (7) is provided with a channel having a larger dimension in a second direction than in the other direction, the second direction being perpendicular to the first direction, one end of the connecting element (7) being locally receivable in the channel and being movable along the channel in the second direction.
8. 8. The filter pressing device according to claim 2, characterized in that positioning columns extending along the first direction are arranged between the pressing plates (4), and the positioning columns are connected with the frame (2) to fix the frame (2).
9. 9. Filter pressing device according to claim 1, characterized in that at least one edge of the adjacent laminate (6) is provided with a protrusion extending along the edge, said protrusion being capable of preventing material in the cavity from spilling during filter pressing.
10. 10. The filter-pressing system, its characterized in that includes: The filter press device of any one of claims 1 to 9; a distribution system (10) for conveying the material between the layers (6).

Description

Filter pressing device and filter pressing system Technical Field The invention relates to the field of filter pressing. Background The filter pressing equipment is widely used in industries such as mines, tunnels, metallurgy, environmental protection and the like as common equipment for solid-liquid separation, wherein the vertical filter pressing equipment has the advantages of compact structure, high automation degree, small occupied area of the equipment and the like. The existing vertical filter pressing equipment utilizes multilayer plate frames to overlap and filter press, slurry is pumped into an inner cavity wrapped by filter cloth on the plate frames through a pipeline, and high-pressure medium is injected into a rubber diaphragm cavity in the plate frames to filter press the slurry. The existing vertical filter pressing equipment mainly utilizes rubber diaphragm cavities in a plate frame to press and filter a slurry cavity, the pressure of the slurry cavity is derived from pressure media of the diaphragm cavities, and the pressure bearing capacity of the rubber diaphragm is weak, so that the acting pressure of the existing vertical filter pressing equipment on the slurry is low, and the water content of the material after filter pressing is high; in addition, the slurry is pumped into the filter pressing cavity through the pipeline, so that the water content of the feed is high, the slurry with low water content cannot be pumped, and the water content limit on the feed is large. Disclosure of Invention The invention aims at solving the problems in the prior art and discloses a filter pressing device, which comprises: a plurality of laminates, wherein a cavity for accommodating materials is formed between two adjacent laminates; and the driving system can drive the adjacent laminates to move relative to the first direction to provide pressure for the materials in the cavity to squeeze out water in the materials, and can drive the laminates to move back to increase the space between the adjacent laminates. In a preferred embodiment, the driving system includes at least two pressing plates, the laminate is located between the two pressing plates, at least one pressing plate is connected with a power unit, and the power unit can press the pressing plates to enable the two pressing plates to move relatively so as to press the relative movement of the adjacent laminates. In a preferred embodiment, the driving system further includes a frame, and the power unit is at least one hydraulic cylinder, and is hydraulically fixed on the frame and connected to the at least one pressing plate. In a preferred embodiment, the press apparatus further includes a plurality of connectors for connecting adjacent laminates to provide for the transmission of adjacent laminates. In a preferred embodiment, the distance between the connection point of the connection element and the adjacent laminate in the first direction can be controlled to vary. In a preferred embodiment, the length of the connector is adjustable. In a preferred embodiment, at least one of the laminae connected to the connecting element is provided with a channel having a greater dimension in a second direction than the other, the second direction being perpendicular to the first direction, one end of the connecting element (7) being partially receivable in the channel and movable along the channel in the second direction. In a preferred embodiment, positioning posts extending along the first direction are disposed between the pressing plates, and the positioning posts are connected to the frame to fix the frame. In a preferred scheme, at least one edge of the adjacent laminated plates is provided with a convex part, the convex part extends along the edge, and the convex part can prevent the material in the cavity from overflowing during filter pressing. The application also discloses a filter pressing system which comprises the filter pressing device and a material distribution system, wherein the material distribution system conveys materials between the laminates. Drawings Fig. 1 is a schematic structural view of embodiment 1; FIG. 2 is a schematic view of a laminate of example 1; FIG. 3 is a partial schematic view of a laminate of example 1; FIGS. 4-6 are schematic diagrams of a distribution system The drawing is marked by a 1-hydraulic cylinder, a 2-frame, a 4-pressing plate, a 5-transmission system, a 6-laminate, a 61-convex part, a 7-connecting piece, an 8-conveyor belt, a 9-driving wheel, a 10-distribution system, a 20-distribution platform, a 30-horizontal pushing device, a 40-distribution pipeline, a 50-vertical lifting system, a 60-sludge conveying system, a 70-scraping plate mechanism, an 80-slitter and a 90-sludge pump. Detailed Description The present application will be described in detail with reference to the accompanying drawings. As shown in FIG. 1, the application discloses a filter pressing device, which comprises a plurality of lami