WO2019127616A1

WO2019127616A1 - Cleaning device for plate-and-frame filter press

Info

Publication number: WO2019127616A1
Application number: PCT/CN2018/000386
Authority: WO
Inventors: 李存禄; 范吉宏; 高敬东; 孙世民; 李国辉; 王传庆; 孙玉超; 陈伟; 董强
Original assignee: 山东东山新驿煤矿有限公司
Priority date: 2017-12-27
Filing date: 2018-11-13
Publication date: 2019-07-04
Also published as: AU2018397407A1; CN107998708B; CN107998708A

Abstract

A cleaning device for a plate-and-frame filter press, comprising a main bracket (1), a transverse sliding bracket (2), a transverse driving mechanism, filter plate positioning mechanisms and a scraper mechanism; the filter plate positioning mechanisms are mounted on the transverse sliding bracket (2) at intervals in the transverse direction, and the filter plate positioning mechanism each comprises a first lifting bracket (3), a first lifting driving mechanism and a positioning clamp; and the scraper mechanism is provided between the adjacent filter plate positioning mechanisms, and the scraper mechanism comprises a second lifting bracket (4), a second lifting driving mechanism and a scraper (5).

Description

Cleaning device for plate and frame filter press

Technical field

The invention relates to the technical field of a plate and frame filter press, in particular to a cleaning device for a plate and frame filter press.

Background technique

Plate and frame filter press is a kind of equipment for solid and liquid separation in industrial production. It is used in chemical, ceramic, petroleum, pharmaceutical, food, smelting, coal mining and other industries. The plate and frame filter press comprises a frame and a thrust plate mounted on the frame, a pressing plate, a pressing drive device, a filter plate, and the filter plate is slidably disposed between the thrust plate and the pressing plate, the filter plate The inner cavity is provided with a concave cavity, and the filter plate is provided with a through hole, and after the joint, a feeding port, a sewage outlet, and the like are formed, and the pressing plate is connected with the pressing driving device. During operation, the pressure plate presses the filter plate between the pressure plate and the thrust plate, and the adjacent filter plates are combined to form a set of filter chambers. After reaching the rated pressing force, the filter can be filtered. The feed pump inputs the filter medium into the filter chamber, and the filter residue is trapped in the filter chamber, and the filtrate is concentratedly discharged. After filtration, the filter plate is separated, and the filter residue attached to the filter plate is cleaned. At present, the way to clean the filter residue is manual cleaning, the cleaning efficiency is low and the labor intensity of the worker is large, and the manual cleaning effect is poor. After cleaning, some filter residue adheres to the filter plate, and the gap is easily generated after the filter plate is joined, and the working pressure is high. The filter media will spray people from the gap between the filter plates, posing a great safety hazard.

Summary of the invention

The object of the present invention is to solve the above-mentioned deficiencies of the prior art, and to provide a cleaning device for a plate and frame filter press, which can realize mechanical automatic cleaning of the plate and frame filter press, improve cleaning efficiency and cleaning effect, and reduce labor intensity of workers. Eliminate safety hazards.

The technical problem to be solved by the present invention is achieved by the following technical solutions: a cleaning device for a plate and frame filter press, comprising a main bracket, a lateral sliding bracket, a lateral driving mechanism, a filter plate positioning mechanism and a scraping mechanism; The bracket can be laterally slidably mounted on the main bracket, the lateral driving mechanism is configured to drive the lateral sliding bracket to laterally slide; the filter plate positioning mechanism is installed on the lateral sliding bracket along the lateral interval, and the filter plate positioning mechanism includes the first lifting bracket a first lifting drive mechanism and a positioning clamp, the first lifting bracket is vertically slidably mounted on the lateral sliding bracket, the first lifting driving mechanism is configured to drive the first lifting bracket to vertically slide, and the positioning clamp is disposed on the a side portion of the first lifting bracket; the squeegee mechanism is disposed between adjacent filter plate positioning mechanisms, the squeegee mechanism includes a second lifting bracket, a second lifting drive mechanism and a squeegee, and the second lifting bracket can Vertically slidably mounted on the lateral sliding bracket, the second lifting drive mechanism for driving the second lifting bracket to vertically slide, the screed is symmetric Second lift both the left and right bracket.

According to the technical solution of the present invention, the positioning tongs include two positioning tong arms and a clamping cylinder symmetrically disposed on the left and right sides of the first lifting bracket, and the positioning tong arms are pivotally connected to the first lifting bracket, the tongs A tight cylinder is used to drive the positioning caliper arm to swing. The telescopic expansion of the clamping cylinder can drive the positioning pliers arm to clamp or loosen the filter plate.

According to the technical solution of the present invention, the inner side of the positioning tong arm is provided with a rubber pad to prevent the filter plate from being damaged when the filter plate is clamped.

According to the technical solution of the present invention, the squeegee mechanism further includes a squeegee opening and closing cylinder, a squeegee opening and closing connecting rod 1 and a squeegee opening and closing connecting rod 2, and the squeegee opening and closing cylinder is mounted on the second lifting bracket. The one end of the squeegee opening and closing link 1 is pivotally connected to the second lifting bracket, and the other end of the squeegee opening and closing link 1 is pivotally connected to the middle of the squeegee opening and closing link 2, and the squeegee is opened and closed. One end of the connecting rod 2 is pivotally connected to the piston rod of the squeegee opening and closing cylinder, and the squeegee opening and closing connecting rod 2 is fixedly connected with the squeegee. The filter frame is provided with a concave cavity. With the technical scheme, the squeegee opening and closing cylinder can swing the squeegee by the squeegee opening and closing connecting rod and the squeegee opening and closing connecting rod, so that the squeegee is closely attached to the filter. Board, the cleaning effect is better.

According to the technical solution of the present invention, the squeegee mechanism further includes an air knife, and the air knives are symmetrically mounted on both sides of the second lifting bracket and above the squeegee. Air knives are used to further clean the filter plates.

According to a technical solution of the present invention, the lateral driving mechanism includes a lateral driving motor, a gear and a rack, the lateral driving motor is mounted on the lateral sliding bracket, the gear is connected to the lateral driving motor, and the rack is fixed to the rack The main bracket is engaged with the gear.

According to the technical solution of the present invention, the first lifting drive mechanism is a first lifting drive cylinder, and the first lifting drive cylinder is mounted on the lateral sliding bracket and connected to the first lifting bracket.

According to the technical solution of the present invention, the second lifting drive mechanism is a second lifting drive cylinder, and the second lifting drive cylinder is mounted on the lateral sliding bracket and connected to the second lifting bracket.

Compared with the prior art, the beneficial effects of the cleaning device of the plate and frame filter press of the present invention are as follows: (1) mechanical automatic cleaning of the plate and frame filter press is realized, the cleaning efficiency is high, and the labor intensity of the worker is low; (2) cleaning The effect is better than manual cleaning. After cleaning, it is not easy to produce gaps at the joint of the filter plate, so as to prevent the high-pressure filter medium from being sprayed from the gap between the filter plates, and the safety hazard is eliminated.

DRAWINGS

Figure 1 is a front elevational view of the plate and frame filter press of the present invention.

Figure 2 is a side elevational view of the plate and frame filter press of the present invention.

Fig. 3 is a partial enlarged view of a portion A in Fig. 1.

In the figure: 1, main bracket, 2, lateral sliding bracket, 3, first lifting bracket, 4, second lifting bracket, 5, scraper, 6, positioning clamp arm, 7, clamping cylinder, 8, rubber mat, 9. Scraper opening and closing cylinder, 10, scraper opening and closing connecting

rod

1, 11, scraper opening and closing connecting

rod

2, 12, air knife, 13, lateral drive motor, 14, gear, 15, rack, 16, The first lifting drive cylinder, 17, the second lifting drive cylinder, 18, the frame, 19, the thrust plate, 20, the pressing plate, 21, the pressing drive device, 22, the filter plate.

Detailed ways

In order to clearly illustrate the technical features of the present invention, the specific embodiments of the present invention will be further described below with reference to the accompanying drawings.

As shown in FIG. 1 to FIG. 3, a cleaning device for a plate and frame filter press includes a main bracket 1, a lateral sliding bracket 2, a lateral driving mechanism, a filter plate positioning mechanism, and a scraper mechanism.

The lateral sliding bracket 1 is slidably mounted on the main bracket 2, and the lateral driving mechanism includes a lateral driving motor 13, a gear 14 and a rack 15, and the lateral driving motor 13 is mounted on the lateral sliding bracket 2, the gear 14 and the lateral driving motor 13 Connected, the rack 15 is fixed to the main bracket 1 and meshes with the gear 14.

The filter plate positioning mechanism is mounted on the lateral slide bracket 2 at a lateral interval, and the filter plate positioning mechanism includes a first lift bracket 3, a first lift drive cylinder 16 and a positioning clamp. The first lifting bracket 3 is vertically slidably mounted on the lateral sliding bracket 2, and the first lifting drive cylinder 16 is mounted on the lateral sliding bracket 2 and connected to the first lifting bracket 3. The positioning clamp is disposed at a side of the first lifting bracket 3, and the positioning clamp comprises two positioning clamp arms 6 and a clamping cylinder 7 symmetrically disposed on the left and right sides of the first lifting bracket 3, and the positioning clamp arm 6 is pivotally connected to the first lifting and lowering The bracket 3 and the clamping cylinder 7 are used to drive the positioning caliper arm 6 to swing. A rubber pad 8 is provided on the inner side of the positioning caliper arm 6 to prevent damage to the filter plate 22 when the filter plate 22 is clamped.

The squeegee mechanism is disposed between the adjacent filter plate positioning mechanisms, and the squeegee mechanism comprises a second lifting bracket 4, a second lifting drive cylinder 17, a squeegee 5, a squeegee opening and closing cylinder 9, and a squeegee opening and closing link 10. The scraper opens and closes the connecting rod 2 and the air knife 12. The second lifting bracket 4 is vertically slidably mounted on the lateral sliding bracket 2, and the second lifting driving cylinder 17 is mounted on the lateral sliding bracket 2 and connected to the second lifting bracket 4. The squeegee opening and closing cylinder 9 is mounted on the second lifting bracket 4, one end of the squeegee opening and closing link 10 is pivotally connected to the second lifting bracket 4, and the other end of the screed opening and closing connecting rod 10 is pivotally connected to the squeegee In the middle of the opening and closing link 2, one end of the squeegee opening and closing link 2 is pivotally connected to the piston rod of the squeegee opening and closing cylinder 9, and the squeegee opening and closing link 2 is fixedly connected with the squeegee 5. The air knife 12 is symmetrically mounted on both sides of the second lifting bracket 4 and above the squeegee 5.

As shown in FIG. 1 and FIG. 2, the plate and frame filter press comprises a frame and a thrust plate mounted on the frame, a pressing plate, a pressing drive device, a filter plate, and the plate and frame filter press of the utility model. The cleaning device is located above the plate and frame filter press. In use, the first lifting cylinder 16 drives the first lifting bracket 3 to move downward, and the clamping cylinder 7 drives the positioning jaw arm 6 to clamp the corresponding filter plate 22 to prevent the filter plate 22 from moving. The squeegee opening and closing cylinder 9 drives the squeegee 5 against the side of the filter plate 22 through the squeegee opening and closing link 10 and the squeegee opening and closing link 2, and the second lifting cylinder 17 drives the second lifting bracket 4 to move downward. The filter residue on the side of the filter plate 22 is scraped off, and at the same time, the air knife 12 purges the side surface of the filter plate 22 to further clean the filter residue. After the filter residue is cleaned, the cleaning device of the plate and frame filter press is reset.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and can be made without departing from the scope of the present invention within the knowledge of those skilled in the art. Various changes.

Claims

A cleaning device for a plate and frame filter press, comprising: a main bracket (1), a lateral sliding bracket (2), a lateral driving mechanism, a filter plate positioning mechanism and a scraper mechanism; the lateral sliding bracket (1) The lateral sliding mechanism is mounted on the main bracket (2) for driving the lateral sliding bracket (2) to slide laterally; the filter plate positioning mechanism is mounted on the lateral sliding bracket (2) at a lateral interval, and filtering The board positioning mechanism comprises a first lifting bracket (3), a first lifting drive mechanism and a positioning clamp, the first lifting bracket (3) being vertically slidably mounted on the lateral sliding bracket (2), the first lifting drive mechanism For driving the first lifting bracket (3) to vertically slide, the positioning clamp is disposed at a side of the first lifting bracket (3); the scraping mechanism is disposed between adjacent filter plate positioning mechanisms, the scraper The mechanism comprises a second lifting bracket (4), a second lifting drive mechanism and a scraper (5), the second lifting bracket (4) being vertically slidably mounted on the lateral sliding bracket (2), the second The lifting drive mechanism is for driving the second lifting bracket (4) to slide vertically, and the squeegee (5) is symmetrically mounted Second lift brackets (4) of the left and right sides.
The cleaning device for a plate and frame filter press according to claim 1, wherein the positioning tongs comprise two positioning tong arms (6) symmetrically disposed on the left and right sides of the first lifting bracket (3) and clamped The cylinder (7) is pivotally connected to the first lifting bracket (3), and the clamping cylinder (7) is used for driving the positioning jaw arm (6) to swing.
The cleaning device for a plate and frame filter press according to claim 2, characterized in that the inner side of the positioning tong arm (6) is provided with a rubber pad (8).
A cleaning device for a frame and frame filter press according to claim 1, wherein the squeegee mechanism further comprises a squeegee opening and closing cylinder (9), a squeegee opening and closing link (10), and a squeegee opening. The connecting rod two (11), the scraping and closing cylinder (9) is mounted on the second lifting bracket (4), and one end of the scraping and closing connecting rod (10) is pivotally connected to the second lifting bracket (4) The other end of the scraper opening and closing link (10) is pivotally connected to the middle of the scraper opening and closing link (11), and one end of the scraper opening and closing link (11) is pivotally connected to The scraper opens and closes the piston rod of the cylinder (9), and the scraper opening and closing link 2 (11) is fixedly connected with the scraper (5).
The cleaning device for a plate and frame filter press according to any one of claims 1 to 4, characterized in that the squeegee mechanism further comprises a wind knife (12), and the air knife (12) is symmetrically mounted on the second lifting Both sides of the bracket (4) are located above the squeegee (5).
A cleaning device for a plate and frame filter press according to any one of claims 1 to 4, wherein said lateral drive mechanism comprises a lateral drive motor (13), a gear (14) and a rack (15), A transverse drive motor (13) is mounted on the lateral sliding bracket (2), the gear (14) is coupled to a lateral drive motor (13), and the rack (15) is fixed to the main bracket (1) and to the gear ( 14) Engage.
The cleaning device for a plate and frame filter press according to any one of claims 1 to 4, wherein the first lifting drive mechanism is a first lifting drive cylinder (16), and the first lifting drive cylinder (16) ) is mounted on the lateral sliding bracket (2) and connected to the first lifting bracket (3).
The cleaning device for a plate and frame filter press according to any one of claims 1 to 4, wherein the second lifting drive mechanism is a second lifting drive cylinder (17), and the second lifting drive cylinder (17) ) is mounted on the lateral sliding bracket (2) and connected to the second lifting bracket (4).