A filter press for sewage treatment

Abstract

The utility model discloses a filter press for sewage treatment, including a machine base, a filter plate and a hydraulic cylinder, the filter plate and the hydraulic cylinder are mounted on the machine base, the filter plate is slidably connected to the machine base, a purge mechanism is arranged at the upper end of the machine base, the purge mechanism includes a support frame and a diverter plate, an air inlet is arranged on the upper end surface of the diverter plate, a plurality of nozzles connected to the air inlet are arranged at the bottom of the diverter plate, a rotating shaft is arranged on the support frame, an axial hole is arranged on the side of the diverter plate, the support frame and the diverter plate are rotatably connected through the rotating shaft and the axial hole, and the support frame is movably mounted on the upper end of the machine base. The utility model arranges a purge mechanism at the upper end of the machine base, and sprays high-pressure air to the side of the filter plate through the purge mechanism, thereby blowing off the filter residue on the surface of the filter plate, and the diverter plate, the first motor and the cam cooperate to enable the first motor to drive the diverter plate to swing back and forth, thereby improving the coverage of the purge mechanism and improving the cleaning efficiency of the filter residue.

Description

Technical Field

[0001] The utility model relates to the technical field of filter presses, in particular to a filter press for sewage treatment. Background Art

[0002] Plate filter press is also called plate and frame filter press, plate and frame filter press; plate filter press has large filtering area, large flow rate and wide application range, so it is widely used in sludge treatment and other industries. Plate filter press is composed of plates and frames arranged alternately, filter cloth is covered on both sides of the filter plate, and the plate and frame are pressed by a pressing device, that is, a filter press chamber is formed between the plate and the frame.

[0003] After the filter press filters the sewage, the filter residue is sandwiched between the filter plates to form a filter residue cake. When the filter plates are separated, the filter residue cake falls off, but the filter residue cake sometimes adheres to the filter plates under the pressure of the water flow, so that workers need to manually sweep the filter residue off the diaphragm of the filter plate. The manual cleaning efficiency is low, and the diaphragm of the filter plate is easily damaged during the cleaning process, thereby affecting the service life of the filter press. Therefore, a filter press for sewage treatment is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a filter press for sewage treatment, which has the advantages of high efficiency and convenience, and solves the problem that the filter residue between the filter plates of the filter press in the prior art is inconvenient to clean or the cleaning efficiency is low.

[0005] To achieve the above object, the utility model provides the following technical solution: a filter press for sewage treatment, comprising a machine base, a filter plate and a hydraulic cylinder, wherein the filter plate and the hydraulic cylinder are mounted on the machine base, the filter plate is slidably connected to the machine base, and a purge mechanism is arranged at the upper end of the machine base;

[0006] The purge mechanism includes a support frame and a diverter plate, the upper end surface of the diverter plate is provided with an air inlet, the bottom of the diverter plate is provided with a plurality of nozzles connected with the air inlet, a rotating shaft is provided on the support frame, and an axial hole is provided on the side of the diverter plate. The support frame and the diverter plate are rotatably connected through the rotating shaft and the axial hole, and the support frame is movably mounted on the upper end of the machine base.

[0007] As a preferred filter press for sewage treatment of the utility model, a first motor is arranged on the support frame, a cam is installed at the front end of the first motor, and a transmission rod connected to the cam in sliding contact is arranged on the top of the diverter plate.

[0008] As a preferred embodiment of the filter press for sewage treatment of the utility model, a counterweight bar is arranged at the bottom of the diverter plate near the nozzle end.

[0009] As a preferred embodiment of the filter press for sewage treatment of the utility model, the nozzles are arranged in an equidistant array along the bottom edge of the diverter plate, and an angle of five to ten degrees is set between adjacent nozzles.

[0010] As a preferred filter press for sewage treatment of the utility model, slide rails are arranged on the front and rear sides of the machine base, a pulley is arranged on the bottom of the support frame, and the support frame and the machine base are slidably connected through the pulley and the slide rail.

[0011] As a preferred embodiment of the filter press for sewage treatment of the utility model, a second motor keyed to a pulley is provided at the bottom of the support frame.

[0012] As a preferred embodiment of the filter press for sewage treatment of the utility model, a PLC control panel is arranged on the side of the machine base.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model provides a purge mechanism at the upper end of the machine base, and sprays high-pressure air to the side of the filter plate through the purge mechanism, so as to blow off the filter residue on the surface of the filter plate, avoid damage to the diaphragm on the side of the filter plate, and improve the service life of the filter plate. The first motor can drive the diverter plate to swing back and forth through the cooperation of the diverter plate, the first motor and the cam, thereby improving the coverage of the purge mechanism and the cleaning efficiency of the filter residue.

[0015] 2. The utility model cooperates with the slide rail, the pulley and the second motor to enable the cleaning device to slide along the machine base, so that each filter plate can be cleaned without dead angles, thereby improving the coverage of the equipment. In conjunction with the PLC control panel, the second motor and the second motor are programmed to realize automatic cleaning of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model from a first viewing angle;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0018] Figure 3 This is a schematic diagram of the structure of the purge mechanism of the utility model;

[0019] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 It is a front cross-sectional view of the utility model;

[0021] Figure 6 For the utility model Figure 5Enlarged view of point B in the middle.

[0022] In the figure: 1, machine base; 101, slide rail; 102, PLC control panel; 2, filter plate; 3, hydraulic cylinder; 4, purge mechanism; 410, support frame; 411, pulley; 412, second motor; 413, rotating shaft; 420, diverter plate; 421, air inlet; 422, nozzle; 423, counterweight bar; 424, shaft hole; 425, transmission rod; 430, first motor; 431, cam. DETAILED DESCRIPTION

[0023] See also Figure 1-Figure 6 A filter press for sewage treatment comprises a machine base 1, a filter plate 2 and a hydraulic cylinder 3, the filter plate 2 and the hydraulic cylinder 3 are mounted on the machine base 1, the filter plate 2 is slidably connected to the machine base 1, and a purge mechanism 4 is arranged at the upper end of the machine base 1;

[0024] The purge mechanism 4 includes a support frame 410 and a diverter plate 420. The upper end surface of the diverter plate 420 is provided with an air inlet 421. The bottom of the diverter plate 420 is provided with a plurality of nozzles 422 that are connected to the air inlet 421. A rotating shaft 413 is provided on the support frame 410. An axial hole 424 is provided on the side of the diverter plate 420. The support frame 410 and the diverter plate 420 are rotatably connected through the rotating shaft 413 and the axial hole 424. The support frame 410 is movably installed at the upper end of the base 1.

[0025] When the device is in use, after the filter press has finished filtering and the filter plates 2 are separated, the second motor 412 is powered through the PLC control panel 102, so that the second motor 412 cooperates with the pulley 411 to drive the support frame 410 to slide along the slide rail 101 to the front end of each filter plate 2, and the second motor 412 is started. At the same time, high-pressure air is introduced from the air inlet 421, and the high-pressure air is sprayed out from each nozzle 422 to purge the side of the filter plate 2. The second motor 412 drives the cam 431 to rotate, so that the diverter plate 420 swings back and forth along the rotating shaft 413, thereby increasing the purge area and improving the cleaning efficiency.

[0026] Furthermore, a first motor 430 is disposed on the support frame 410 , a cam 431 is installed at the front end of the first motor 430 , and a transmission rod 425 is disposed on the top of the diverter plate 420 and is in sliding contact with the cam 431 .

[0027] The cam 431 is driven to rotate by the motor, so that the diverter plate 420 swings back and forth, and the filter residue on the side of the filter plate 2 is blown off, thereby improving the cleaning efficiency of the filter plate 2. In addition, the jet structure is not easy to damage the diaphragm on the side of the filter plate 2.

[0028] Furthermore, a weight bar 423 is provided at the bottom of the diverter plate 420 near the end of the nozzle 422 .

[0029] The weight bar 423 enables the transmission rod 425 on the top of the diverter plate 420 to keep in contact with the cam 431 under the action of its own gravity and the weight bar 423, thereby improving the swing stability of the diverter plate 420.

[0030] Furthermore, the nozzles 422 are arranged in an equidistant array along the bottom edge of the diverter plate 420 , and an angle of five to ten degrees is set between adjacent nozzles 422 .

[0031] The cooperation of multiple groups of nozzles 422 greatly increases the coverage area of ​​the air wash of the diverter plate 420 , and further improves the cleaning efficiency of the filter plate 2 .

[0032] Furthermore, slide rails 101 are provided on the front and rear sides of the base 1 , and a pulley 411 is provided at the bottom of the support frame 410 . The support frame 410 and the base 1 are slidably connected through the pulley 411 and the slide rails 101 .

[0033] The machine base 1 can slide along the slide rail 101, so as to slide to the front of each filter plate 2 to clean the side surface thereof.

[0034] Furthermore, a second motor 412 keyed to the pulley 411 is disposed at the bottom of the support frame 410 .

[0035] The pulley 411 is driven to rotate by the second motor 412, thereby driving the support frame 410 to slide along the slide rail 101, thereby improving the automation level of the equipment.

[0036] Furthermore, a PLC control panel 102 is provided on the side of the base 1 .

[0037] By programming and controlling the first motor 430, the second motor 412 and the hydraulic cylinder 3 through the PLC control panel 102, automatic cleaning of each filter plate 2 after the equipment is filtered can be achieved.

[0038] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter press for sewage treatment, comprising a machine base (1), a filter plate (2) and a hydraulic cylinder (3), wherein the filter plate (2) and the hydraulic cylinder (3) are mounted on the machine base (1), and the filter plate (2) is slidably connected to the machine base (1), characterized in that: A purge mechanism (4) is provided at the upper end of the machine base (1); The purge mechanism (4) comprises a support frame (410) and a diverter plate (420); an air inlet (421) is arranged on the upper end surface of the diverter plate (420); a plurality of nozzles (422) are arranged at the bottom of the diverter plate (420) and are connected to the air inlet (421); a rotating shaft (413) is arranged on the support frame (410); a shaft hole (424) is arranged on the side of the diverter plate (420); the support frame (410) and the diverter plate (420) are rotatably connected by the rotating shaft (413) and the shaft hole (424); and the support frame (410) is movably mounted on the upper end of the machine base (1).

2. A filter press for sewage treatment according to claim 1, characterized in that: The support frame (410) is provided with a first motor (430), a cam (431) is installed at the front end of the first motor (430), and a transmission rod (425) is provided at the top of the diverter plate (420) and is connected to the cam (431) in sliding contact.

3. A filter press for sewage treatment according to claim 2, characterized in that: A counterweight bar (423) is provided at the bottom of the diverter plate (420) close to the nozzle (422).

4. A filter press for sewage treatment according to claim 3, characterized in that: The nozzles (422) are arranged in an equidistant array along the bottom edge of the diverter plate (420), and an angle of five to ten degrees is provided between adjacent nozzles (422).

5. A filter press for sewage treatment according to claim 1, characterized in that: Slide rails (101) are arranged on the front and rear sides of the machine base (1), a pulley (411) is arranged on the bottom of the support frame (410), and the support frame (410) and the machine base (1) are slidably connected by the pulley (411) and the slide rails (101).

6. A filter press for sewage treatment according to claim 5, characterized in that: A second motor (412) keyed to the pulley (411) is provided at the bottom of the support frame (410).

7. A filter press for sewage treatment according to claim 1, characterized in that: A PLC control panel (102) is provided on the side of the machine base (1).

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