CN215962299U - Rotary blade type filter press - Google Patents

Abstract

A rotary blade type filter press belongs to the field of filter presses and comprises a main shaft driving device, a left pressure plate, a round frame, a round filter plate, filter cloth, a throttle valve, a filter residue outlet, a flushing fluid outlet, a support, a filtrate collecting pipe, a filtrate outlet pipe, a blade main shaft, a compression screw, a feed inlet, a flushing fluid inlet, a rotary blade and a right pressure plate; the main shaft driving device is arranged on the support or the left pressure plate through the mounting frame and is fixedly connected with the support or the left pressure plate, and a power output shaft of the main shaft driving device is connected with the blade main shaft and can drive the blade main shaft to rotate; the automatic flushing device has the characteristics of small volume, compact structure, capability of realizing continuous filtration and self-flushing function.

Description

Rotary blade type filter press

Technical Field

The utility model belongs to the field of solid-liquid separation equipment, and particularly relates to a rotary blade type filter press.

Background

Solid-liquid separation is a common process method for separating solid substances mixed in liquid substances, and currently, the method is mostly realized by adopting a filter; the existing common filter press is a plate-and-frame filter press, the working process of the plate-and-frame filter press is intermittent, that is, a feeding device fills substances to be filtered, namely solid-liquid mixed liquid into a filter plate group consisting of a plurality of filter plates, and the substances enter a space between two filter plates, namely a filter chamber, through applying pressure, liquid in the mixed liquid is forced to permeate through filter cloth at the periphery of the filter chamber to seep out of the filter plates and be discharged, solid substances are retained in the filter chamber to form filter residues, and the compressed filter residues form cake-shaped filter cakes; opening each filter plate of the filter plate group, discharging filter cakes in the filter chambers, folding the filter plates again, and carrying out the next filtering process; there is a problem that the plate and frame filter press is not suitable for the case where the amount of the mixed liquid is small and the filtering process is required to be continuous, such as the solid-liquid separation of the washing water in the laboratory.

Disclosure of Invention

Aiming at the scene that the existing plate-and-frame filter press is inconvenient to be used for filtering small amount of continuous work such as laboratory washing water and the like, the utility model provides a filter press which can continuously work, has small volume and compact structure and can be self-cleaned, and the specific technical scheme is that the rotary blade type filter press is characterized in that: the rotary blade type filter press comprises a main shaft driving device, a left pressure plate, a round frame, a round filter plate, filter cloth, a throttle valve, a filter residue outlet, a flushing fluid outlet, a support, a filtrate collecting pipe, a filtrate outlet pipe, a blade main shaft, a compression screw, a feeding hole, a flushing fluid inlet, a rotary blade and a right pressure plate; the main shaft driving device is arranged on the support or the left pressure plate through the mounting frame and is fixedly connected with the support or the left pressure plate, and a power output shaft of the main shaft driving device is connected with the blade main shaft and can drive the blade main shaft to rotate; the left pressure plate is arranged on the left end support, is connected with the support and is connected with the round frame, the round filter plate and the right pressure plate through a compression screw rod; the circular frame is arranged between the left pressure plate or the right pressure plate and the circular filter plate, is connected with the left pressure plate or the right pressure plate and the circular filter plate, and is tightly attached to the left pressure plate, the right pressure plate and the circular filter plate through compression of the compression screw; more than 2 circular frames are arranged and are adjacent to the circular filter plate at intervals and tightly pressed between the left pressure plate and the right pressure plate; the circular filter plates are arranged between the two circular frames, the number of the circular filter plates is matched with that of the circular frames, and the circular filter plates are attached to the side faces of the circular frames through compression screws and are sealed; the filter cloth is arranged on the circular filter plate and covers the inner surface of the circular filter plate, and the inner surface refers to all surfaces of the circular filter plate, which are positioned in the circular frame and adjacent to the blade main shaft; the throttle valve is arranged at the slag outlet and is connected with the slag outlet on the right pressure plate through a pipeline; the filter residue outlet is arranged at the right end of the throttle valve, is connected with the throttle valve and is connected with a filter residue conveying or storing device; the flushing liquid outlet is arranged on a pipeline for connecting the throttling valve with the slag hole of the right pressure plate, is communicated with the inner cavity of the pipeline, and is externally connected with a flushing liquid collecting device; the support is arranged at the lower parts of the left pressure plate and the right pressure plate and is connected with the left pressure plate and the right pressure plate; and is connected with the main shaft driving device mounting bracket; the filtrate collecting pipe is arranged on the support and is fixedly connected with the support, and the outlet of the filtrate collecting pipe is communicated with the filtrate collecting device; the filtrate outlet pipe is arranged between the filtrate collecting pipe and the round filter plate, one end of the filtrate outlet pipe is connected with the filtrate collecting pipe, and the other end of the filtrate outlet pipe is communicated with the inner cavity of the round filter plate; the blade main shaft is arranged on a main shaft seat, is connected with the main shaft seat through a bearing and can rotate on the main shaft seat, and the main shaft seat is arranged on a support or a left pressure plate and a right pressure plate and is connected with the support or the left pressure plate and the right pressure plate; one end of the blade main shaft is connected with a power output shaft of the main shaft driving device; the pressing screw rods are arranged on the left pressure plate and the right pressure plate, penetrate through the left pressure plate and the right pressure plate and the round filter plates and the round frames which are positioned between the left pressure plate and the right pressure plate, and press all the round filter plates and the round frames between the left pressure plate and the right pressure plate; the number of the compression screws is more than 2; the feeding hole is formed in the left pressure plate, the wall thickness penetrating through the left pressure plate is communicated with a first filtering chamber on the right side of the left pressure plate, and the first filtering chamber is a space surrounded by the left pressure plate, a left first round frame and a left first round filter plate; the flushing liquid inlet is arranged on the filtrate collecting pipe and is communicated with the filtrate collecting pipe; the rotary blades are arranged on the blade main shaft, are fixedly connected with the blade main shaft, are multiple and are positioned in each filter chamber; the right pressure plate is arranged on the right side of the support, is connected with the support and is connected with the left pressure plate, the round frame and the round filter plate through a compression screw rod; the rotary blade type filter press is also provided with an electric control system which can control the running state of each electric element of the rotary blade type filter press.

Further, the throttle valve is an electromagnetic control throttle valve.

Furthermore, the spindle driving device is a driving motor or a motor reducer combination, or a hydraulic motor or a pneumatic motor.

Furthermore, a valve is arranged at the flushing liquid outlet or on the pipeline connecting the flushing liquid outlet and the flushing liquid collecting device.

Advantageous effects

The utility model has the advantages of being capable of adapting to the filtration work of a small amount of continuous solid-liquid separation media, small in volume, simple and compact in structure and high in working efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A;

FIG. 4 is a schematic cross-sectional view taken along line B-B;

FIG. 5 is a schematic cross-sectional view taken along line C-C;

1. the filter press comprises a main shaft driving device, 2 parts of a left pressing plate, 3 parts of a round frame, 4 parts of a round filter plate, 5 parts of filter cloth, 6 parts of a throttle valve, 7 parts of a filter residue outlet, 8 parts of a flushing fluid outlet, 9 parts of a support, 10 parts of a filtrate collecting pipe, 11 parts of a filtrate outlet pipe, 12 parts of a blade main shaft, 13 parts of a compression screw rod, 14 parts of a feed inlet, 15 parts of a flushing fluid inlet, 16 parts of a rotating blade, 17 parts of a right pressing plate, A, B and C, and the sections of the main shaft driving device, the left pressing plate, the round frame, the round filter plate, the filter cloth, the blade main shaft, the filter press screw rod, the filter press plate, the filtrate outlet, the filter press pipe, the filtrate outlet, the filter press pipe, the filter press blade, the blade and the blade.

Detailed Description

To better illustrate the technical solution of the present invention, the following will further describe the embodiments of the present invention with reference to the accompanying drawings, as shown in fig. 1-5, in this example, a laboratory filter press is taken as an example, and the overall dimension is controlled to be not more than 1 meter; the rotary blade type filter press selected in the embodiment comprises a main shaft driving device 1, a left pressure plate 2, a round frame 3, a round filter plate 4, filter cloth 5, a throttle valve 6, a filter residue outlet 7, a flushing liquid outlet 8, a support 9, a filtrate collecting pipe 10, a filtrate outlet pipe 11, a blade main shaft 12, a compression screw 13, a feed inlet 14, a flushing liquid inlet 15, a rotary blade 16 and a right pressure plate 17; in the embodiment, a driving device integrating a motor and a worm gear reducer which are commonly used in the industry is selected as a main shaft driving device 1, the main shaft driving device 1 is installed on a left pressure plate 2 through a hollow shaft seat which is commonly used in the industry and is fixedly connected with the left pressure plate through the hollow shaft seat, and a power output shaft of the main shaft driving device 1 is connected with a blade main shaft 12 so as to drive the blade main shaft 12 to rotate; in the embodiment, rectangular pressure plates are respectively used as a left pressure plate 2 and a right pressure plate 17, 4 mounting holes of a compression screw 13 are arranged at the corners of the left pressure plate 2 and the right pressure plate 17, the left pressure plate 2 is mounted on a left end support 9, is connected with the support 9 and is connected with a round frame 3, a round filter plate 4 and the right pressure plate 17 through the compression screw 13; in the embodiment, the left and right circular frames 3 of the annular closed frame are selected, and sealing grooves and butt seam allowances are arranged on two side walls of each circular frame 3, so that the circular frame is conveniently attached to the side walls of the adjacent pressure plates or circular filter plates 4 in a sealing manner, and is kept concentric with the central lines of the left pressure plate 2 or the right pressure plate 17 and the circular filter plates 4; the pressing screw 13 is tightly pressed and tightly attached to the left pressure plate 2, the right pressure plate 17 and the round filter plate 4; in the embodiment, 6 circular frames 3 are selected and are pressed between the left pressure plate 2 and the right pressure plate 17 at intervals and adjacent to the circular filter plate 4; in the embodiment, the circular filter plate 4 is selected to be circular, the outer diameter of the circular filter plate is the same as that of the circular frame 3, and the inner diameter of the circular filter plate is larger than that of the blade main shaft 12; the circular filter plate 4 is arranged between the two circular frames 3, the number of the circular filter plate is matched with that of the circular frames 3, and the circular filter plate is attached to the side faces of the circular frames 3 through the compression screws 13 and sealed; selecting filter cloth which is universal in the industry and matched with a filtered medium as the filter cloth 5, and mounting the filter cloth 5 on the circular filter plate 4 and covering the inner surface of the circular filter plate 5; the throttle valve 6 is arranged at a filter residue outlet of the right pressure plate 17 and is connected with a slag outlet on the right pressure plate 17 through a pipeline; the filter residue outlet 7 is arranged at the right end of the throttle valve 6, is communicated with the throttle valve 6 and is connected with a filter residue conveying or storing device; the flushing liquid outlet 8 is arranged on a slag hole connecting pipeline of the throttle valve 6 and the right pressure plate 17 and is communicated with the inner cavity of the pipeline, so that the flushing liquid outlet 8 is connected with a flushing liquid collecting device through the pipeline without additionally arranging a pipeline for connection, the compactness of the whole equipment is adapted; the support 9 is arranged at the lower parts of the left pressure plate 2 and the right pressure plate 17 and is connected with the left pressure plate 2 and the right pressure plate 17; and is connected with the mounting bracket of the main shaft driving device 1; the filtrate collecting pipe 10 is arranged on the support 9 and is fixedly connected with the support 9, and the outlet of the filtrate collecting pipe 10 is communicated with a filtrate collecting device; the filtrate outlet pipe 11 is arranged between the filtrate collecting pipe 10 and the round filter plate 4, one end of the filtrate outlet pipe is connected with the filtrate collecting pipe 10, and the other end of the filtrate outlet pipe is communicated with the inner cavity of the round filter plate 4; the blade main shaft 12 is arranged on a main shaft seat, is connected with the main shaft seat through a bearing and can rotate on the main shaft seat, and the main shaft seat is arranged on a support or a left pressure plate and a right pressure plate and is connected with a support 9 or a left pressure plate 2 and a right pressure plate 17; one end of the blade main shaft 12 is connected with a power output shaft of the main shaft driving device 1; the pressing screw 13 is arranged on the left pressure plate 2 and the right pressure plate 17, penetrates through the left pressure plate 2 and the right pressure plate 17 and the round filter plates 4 and the round frames 3 positioned between the left pressure plate 2 and the right pressure plate 17, and presses all the round filter plates 4 and the round frames 3 between the left pressure plate 2 and the right pressure plate 17; in the embodiment, 4 compression screws 13 are selected and uniformly arranged at the corners of the left pressure plate 2 and the right pressure plate 17; the feed inlet 14 is arranged on the left pressure plate 2, the wall thickness penetrating through the left pressure plate 2 is communicated with a first filter chamber on the right side of the left pressure plate 2, the first filter chamber is a space surrounded by the left pressure plate 2, the left first round frame 3 and the left first round filter plate 4, and subsequent filter chambers are sequentially formed; the washing liquid inlet 15 is arranged on the filtrate collecting pipe 10 and is communicated with the filtrate collecting pipe 10; the rotating blades 16 are arranged on the blade main shaft 12, are fixedly connected with the blade main shaft 12, have the same number as the filter chambers, and are positioned in each filter chamber; the right pressure plate 17 is arranged on the right side of the support 9, is connected with the support 9 and is connected with the left pressure plate 2, the round frame 3 and the round filter plate 4 through the compression screw 13, thus completing the implementation of the utility model.

When the filter is applied, a filtered medium is pressurized by a delivery pump and is sent into the first filter chamber on the left side from the feed inlet 14, the main shaft driving device 1 drives the blade main shaft 12 to rotate, so as to drive the rotating blade 16 to rotate, the filtered medium in the filter chamber is stirred, at the moment, liquid permeates through the filter cloth, seeps out from the inner cavity of the round filter plate 4, enters the filtrate collecting pipe 10 through the filtrate outlet pipe 11, and further flows out from the filtrate collecting pipe 10 to a filtrate delivery or storage device; the substances primarily filtered by the first filter chamber enter a second filter chamber on the left from a gap between an inner ring of the circular filter plate 4 and the blade main shaft 12 along with the increase of feeding and the increase of pressure, the substances enter the second filter chamber on the left through the same working principle until the substances enter the last filter chamber on the side surface of the right pressure plate 17, in this way, the filtered media are repeatedly filtered to form filter residues, the filter residues flow out from a residue outlet 7 of the right pressure plate 17 through a pipeline and then a throttle valve 6 through the pipeline, and the filter residues are conveyed or collected; when the equipment needs to be stopped for a long time or the filter cloth 5 is blocked, backwashing is carried out, at the moment, the control system closes the outlet of the throttle valve 6 and the filtrate collecting pipe 10, flushing liquid with pressure is filled into the filter cloth 5 of the round filter plate 4 from a flushing liquid inlet 15 arranged on a filtrate outlet pipe 11 and reversely flows out to the filter chamber, and finally flows out from a flushing liquid outlet 8 and flows into a filtered medium storage device after being collected, so that zero emission is realized, and the self-backwashing function is realized.

Claims (4)

1. A rotary blade type filter press is characterized in that: the rotary blade type filter press comprises a main shaft driving device, a left pressure plate, a round frame, a round filter plate, filter cloth, a throttle valve, a filter residue outlet, a flushing fluid outlet, a support, a filtrate collecting pipe, a filtrate outlet pipe, a blade main shaft, a compression screw, a feeding hole, a flushing fluid inlet, a rotary blade and a right pressure plate; the main shaft driving device is arranged on the support or the left pressure plate through the mounting frame and is fixedly connected with the support or the left pressure plate, and a power output shaft of the main shaft driving device is connected with the blade main shaft and can drive the blade main shaft to rotate; the left pressure plate is arranged on the left end support, is connected with the support and is connected with the round frame, the round filter plate and the right pressure plate through a compression screw rod; the circular frame is arranged between the left pressure plate or the right pressure plate and the circular filter plate, is connected with the left pressure plate or the right pressure plate and the circular filter plate, and is tightly attached to the left pressure plate, the right pressure plate and the circular filter plate through compression of the compression screw; more than 2 circular frames are arranged and are adjacent to the circular filter plate at intervals and tightly pressed between the left pressure plate and the right pressure plate; the circular filter plates are arranged between the two circular frames, the number of the circular filter plates is matched with that of the circular frames, and the circular filter plates are attached to the side faces of the circular frames through compression screws and are sealed; the filter cloth is arranged on the circular filter plate and covers the inner surface of the circular filter plate, and the inner surface refers to all surfaces of the circular filter plate, which are positioned in the circular frame and adjacent to the blade main shaft; the throttle valve is arranged at the slag outlet and is connected with the slag outlet on the right pressure plate through a pipeline; the filter residue outlet is arranged at the right end of the throttle valve, is connected with the throttle valve and is connected with a filter residue conveying or storing device; the flushing liquid outlet is arranged on a pipeline for connecting the throttling valve with the slag hole of the right pressure plate, is communicated with the inner cavity of the pipeline, and is externally connected with a flushing liquid collecting device; the support is arranged at the lower parts of the left pressure plate and the right pressure plate and is connected with the left pressure plate and the right pressure plate; and is connected with the main shaft driving device mounting bracket; the filtrate collecting pipe is arranged on the support and is fixedly connected with the support, and the outlet of the filtrate collecting pipe is communicated with the filtrate collecting device; the filtrate outlet pipe is arranged between the filtrate collecting pipe and the round filter plate, one end of the filtrate outlet pipe is connected with the filtrate collecting pipe, and the other end of the filtrate outlet pipe is communicated with the inner cavity of the round filter plate; the blade main shaft is arranged on a main shaft seat, is connected with the main shaft seat through a bearing and can rotate on the main shaft seat, and the main shaft seat is arranged on a support or a left pressure plate and a right pressure plate and is connected with the support or the left pressure plate and the right pressure plate; one end of the blade main shaft is connected with a power output shaft of the main shaft driving device; the pressing screw rods are arranged on the left pressure plate and the right pressure plate, penetrate through the left pressure plate and the right pressure plate and the round filter plates and the round frames which are positioned between the left pressure plate and the right pressure plate, and press all the round filter plates and the round frames between the left pressure plate and the right pressure plate; the number of the compression screws is more than 2; the feeding hole is formed in the left pressure plate, the wall thickness penetrating through the left pressure plate is communicated with a first filtering chamber on the right side of the left pressure plate, and the first filtering chamber is a space surrounded by the left pressure plate, a left first round frame and a left first round filter plate; the flushing liquid inlet is arranged on the filtrate collecting pipe and is communicated with the filtrate collecting pipe; the rotary blades are arranged on the blade main shaft, are fixedly connected with the blade main shaft, are multiple and are positioned in each filter chamber; the right pressure plate is arranged on the right side of the support, is connected with the support and is connected with the left pressure plate, the round frame and the round filter plate through a compression screw rod; and the rotary blade type filter press is also provided with an electrical control system.

2. A rotary vane filter press according to claim 1 wherein: the throttle valve is an electromagnetic control throttle valve.

3. A rotary vane filter press according to claim 1 wherein: the spindle driving device is a driving motor or a motor reducer combination or a hydraulic motor or a pneumatic motor.

4. A rotary vane filter press according to claim 1 wherein: and a valve is arranged at the washing liquid inlet or on a pipeline connecting the washing liquid inlet and the liquid outlet pipe.

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