CN-121668763-B - Plate-and-frame filter press

CN121668763BCN 121668763 BCN121668763 BCN 121668763BCN-121668763-B

Abstract

The invention relates to the technical field of filter pressing and discloses a plate-and-frame filter press, which comprises a frame, a plurality of filter plates, a plurality of driving assemblies and a cleaning assembly, wherein the filter plates are arranged on the frame and can move along a first direction, the plurality of filter plates are sequentially arranged in the first direction, the plurality of driving assemblies are in one-to-one correspondence with the plurality of filter plates, the driving assemblies comprise magnet assemblies, repulsive force can be generated between the magnet assemblies so as to drive two adjacent filter plates to be separated from each other, the cleaning assembly is arranged on the frame, the cleaning assembly comprises a working part, and the working part can spray cleaning agent to wash at least part of the plurality of filter plates, and/or the working part can be contacted with at least part of the plurality of filter plates and vibrate so as to enable mud cakes to fall off. The plate-and-frame filter press provided by the embodiment of the invention utilizes magnetic force to drive the filter plates to separate, the separation process is rapid and stable, the efficient and rapid cleaning of the filter plates is realized, and the problems of low unloading speed and incomplete cleaning of the traditional filter press are solved.

Inventors

ZHANG FENG
XU CHAO
LI YING
YAN BIN
HU YUXI
YANG BO
JIN GANG
CAI DONG
WEI BAOLIN
HE WENTING
HE HAIBO

Assignees

中煤科工集团信息技术有限公司

Dates

Publication Date: 20260508
Application Date: 20260211

Claims (5)

1. A plate and frame filter press, comprising: A frame (1); A plurality of filter plates (2), the filter plates (2) being arranged on the frame (1) and being movable in a first direction, the plurality of filter plates (2) being arranged in sequence in the first direction; The device comprises a plurality of driving assemblies (3), wherein the driving assemblies (3) are in one-to-one correspondence with the filter plates (2), the driving assemblies (3) comprise magnet assemblies (31) and mounting seats (32) which are arranged on the filter plates (2), repulsive force can be generated between the magnet assemblies (31) on two adjacent filter plates (2) so as to drive the two adjacent filter plates (2) to be separated from each other, and the magnet assemblies (31) are arranged on the filter plates (2) through the mounting seats (32); A cleaning assembly (4), the cleaning assembly (4) is arranged on the frame (1), the cleaning assembly (4) comprises a working part (41), a supporting seat (42), a linear driving part (43) and a vibration driving part (44), the working part (41) comprises a plate body (413) extending along the first direction, the plate body (413) can move along a second direction to be close to or far away from the filter plate (2), the second direction is perpendicular to the first direction, the supporting seat (42) is connected with the frame (1), the linear driving part (43) is arranged on the supporting seat (42), the plate body (413) is connected with the linear driving part (43), and the linear driving part (43) can drive the plate body (413) to move along the second direction; the working part (41) can spray cleaning agent to wash at least part of the plurality of filter plates (2), the cleaning agent is pumped into the cavity through the water pump and sprayed out through the through holes (411), and the working part (41) can be contacted with at least part of the plurality of filter plates (2) and vibrate so as to enable mud cakes attached to the filter plates (2) to fall off.
2. The plate and frame filter press according to claim 1, wherein the magnet assembly (31) comprises an electromagnet (311) and a permanent magnet (312), the mount (32) having opposite first (321) and second (322) end faces in the first direction, the electromagnet (311) being provided on the first end face (321) and the permanent magnet (312) being provided on the second end face (322); In two adjacent mounting seats (32), an electromagnet (311) on one mounting seat (32) is opposite to a permanent magnet (312) on the other mounting seat (32), and when the electromagnet (311) is electrified, repulsive force is generated between the electromagnet (311) and the permanent magnet (312) corresponding to the electromagnet.
3. The plate and frame filter press according to claim 2, wherein the driving assembly (3) further comprises a power receiving portion (33) arranged on the mounting base (32), the power receiving portion (33) comprises at least two power receiving pieces (34), and the power receiving pieces (34) are conductors and are electrically connected with the electromagnet (311).
4. A plate and frame filter press according to claim 3, further comprising a power supply assembly (5), the power supply assembly (5) comprising: the operating rod (51) is movably arranged on the rack (1) and is provided with an electrifying position and a power-off position; at least two power supply pieces (52), wherein the power supply pieces (52) are arranged on the operation rod (51) and extend along the first direction, and the power supply pieces (52) are conductors and are used for connecting an external power supply; when the operating rod (51) is in the power-on position, the operating rod (51) is close to the power receiving part (33), at least two power supply pieces (52) are in one-to-one corresponding contact with at least two power receiving pieces (34) to realize electric conduction, and when the operating rod (51) is in the power-off position, the operating rod (51) is far away from the power receiving part (33) and the power supply pieces (52) are separated from the power receiving pieces (34).
5. The plate and frame filter press of claim 1, further comprising: a detection assembly (6), wherein the detection assembly (6) comprises at least one of a visual detection part (61) and a weight detection part (62), the visual detection part (61) is used for detecting the surface state of the filter plate (2), and the weight detection part (62) is used for detecting the weight of the filter plate (2); And the control system (7) is electrically connected with the detection assembly (6), and the control system (7) is used for controlling at least one action of the vibration driving component (44) and the water pump according to the information fed back by the detection assembly (6).

Description

Plate-and-frame filter press Technical Field The invention belongs to the technical field of filter pressing, and particularly relates to a plate-and-frame filter press. Background The coal filter press in the related art has the following problems in the use process that the coal filter press is usually required to be matched with a pulling plate trolley to separate filter plates one by one and discharge coal cakes on the filter plates after the filter press is finished, so that the whole discharging process of the one-by-one discharging mode is longer, the filter plates are cleaned one by one through a manual or cleaning mechanism after the discharging is finished, the time consumption of the whole discharging and cleaning process is longer, and the working efficiency of the coal filter press is influenced. For this purpose, a corresponding technical solution is required to be designed to solve the existing technical problems. Disclosure of Invention The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides a plate-and-frame filter press, which drives a filter plate to separate through magnetic force, the separation process is quick and stable, in addition, the vibration and the flushing of a cleaning assembly are matched to accelerate the falling of mud cakes, and the control system can automatically work to reduce manpower and improve efficiency. The plate-and-frame filter press comprises a frame, a plurality of filter plates, a plurality of driving assemblies and a cleaning assembly, wherein the filter plates are arranged on the frame and can move along a first direction, the filter plates are sequentially arranged in the first direction, the driving assemblies are in one-to-one correspondence with the filter plates, the driving assemblies comprise magnet assemblies arranged on the filter plates, repulsive force can be generated between the magnet assemblies on two adjacent filter plates to drive the two adjacent filter plates to be separated from each other, the cleaning assembly is arranged on the frame, the cleaning assembly comprises a working part, the working part can spray cleaning agent to wash at least part of the filter plates, and/or the working part can be contacted with at least part of the filter plates and vibrate so as to enable mud cakes attached to the filter plates to fall off. According to the plate-and-frame filter press disclosed by the embodiment of the invention, the repulsive force generated by the magnet assembly drives the plurality of filter plates to synchronously separate, so that the traditional modes of pulling away by using a trolley and the like are replaced, and the separation process is rapid and stable. Meanwhile, the cleaning component can wash the filter plates through sprayed cleaning agents and/or make mud cakes fall off through contact vibration, so that efficient cleaning of a plurality of filter plates is realized, and the problems of slow unloading, poor cleaning effect and slow cleaning speed of the traditional filter press are effectively solved. In some embodiments, the drive assembly further comprises a mount through which the magnet assembly is mounted to the filter plate. In some embodiments, the magnet assembly comprises an electromagnet and a permanent magnet, the mounting seat is provided with a first end face and a second end face which are opposite in the first direction, the electromagnet is arranged on the first end face, the permanent magnet is arranged on the second end face, the electromagnet on one mounting seat faces the permanent magnet on the other mounting seat in adjacent two mounting seats, and when the electromagnet is electrified, repulsive force is generated between the electromagnet and the permanent magnet corresponding to the electromagnet. In some embodiments, the driving assembly further comprises a power receiving part arranged on the mounting seat, wherein the power receiving part comprises at least two power receiving pieces, and the power receiving pieces are conductors and are in ferroelectric connection with the electromagnetic iron. In some embodiments, the plate and frame filter press further comprises a power supply assembly, the power supply assembly comprises an operating rod and at least two power supply pieces, the operating rod is movably arranged on the frame and has an electrifying position and a power-off position, the power supply pieces are arranged on the operating rod and extend along the first direction, the power supply pieces are conductors and are used for being connected with an external power supply, when the operating rod is in the electrifying position, the operating rod is close to the power receiving part, at least two power supply pieces are in one-to-one contact with at least two power receiving parts to achieve electric conduction, and when the operating rod is in the power-off position, the