CN218794115U

CN218794115U - Pressure protection device of plate and frame filter press

Info

Publication number: CN218794115U
Application number: CN202222629915.1U
Authority: CN
Inventors: 单东亚; 徐辉
Original assignee: Wuhan Zhongsheng Yujin Biological Medicine Co ltd
Current assignee: Wuhan Zhongsheng Yujin Biological Medicine Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-04-07
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a pressure protection device of plate and frame filter press, including organism and pressure protection mechanism, the organism includes the support frame, the upper surface difference fixedly connected with thrust plate and the equipment box of support frame, the side of equipment box is provided with the pneumatic cylinder, the flexible end of pneumatic cylinder is provided with the pressure strip, the side of pressure strip is provided with the filter plate, pressure protection mechanism includes the fixed plate, the round hole has been seted up to the side of fixed plate. The utility model discloses an established pressure protection mechanism is convenient for at plate and frame filter press during operation, reduces the damage that the pressure strip caused equipment box and filter plate, and through setting up round bar and locating lever, the steady removal of the pressure strip of being convenient for sets up first reset spring and second reset spring through the both sides at the fixed plate, is convenient for reduce the flexible pressure of pneumatic cylinder, prevents that pressure is too big, and then protection filter plate and equipment box to reach this plate and frame filter press and have pressure protection's effect.

Description

Pressure protection device of plate and frame filter press

Technical Field

The utility model relates to a pressure filter technical field specifically is a pressure protector of plate and frame pressure filter.

Background

The filter pressing is a common solid-liquid separation method, the principle of the filter pressing is that the pressure difference between two surfaces of a filter medium is used as a driving force, liquid components in feed liquid pass through a micro-pore channel under the action of the driving force, particulate matters and colloidal matters are blocked by the medium and cannot pass through the medium, the liquid which is forced to pass through the medium forms filtrate, and solid particles are blocked on the medium to form a filter cake, so that the effect of solid-liquid separation is achieved. The filter pressing method has the advantages of large batch treatment amount of feed liquid, high solid recovery rate, clear filtrate and the like, and is widely applied to the industries of chemical industry, food, pharmacy and the like.

The plate and frame filter press is a filter press device commonly used in the pharmaceutical industry and comprises: (1) the volume is small, and the filtering area is large; (2) the batch processing capacity is large, and the productivity is high; (3) the filtering pressure can be adjusted; (4) the filter pressing area can be adjusted; (5) filtering media with different specifications can be selected according to the properties of the feed liquid, so that the adaptability is strong; (6) simple structure, convenient maintenance and long service life. The structure of the filter is mainly composed of filter frames and filter plates which are alternatively superposed, wherein the number of filter plates is 10-60, and the filter area is 2-80 square meters. During operation, filter media with different apertures are arranged between the filter plate and the filter frame, feed liquid enters the frame through a pipeline, under the action of pressure, the liquid penetrates through the filter media to enter the concave part in the middle of the filter plate and then flows out through the liquid outlet, and solid components cannot pass through the filter media and are left in the filter frame as filter cakes. The operation process can be summarized as follows: filtering, washing, removing slag, finishing and reloading.

When the plate and frame filter press works, a hydraulic system is mostly adopted as a power device to drive the filter plate to be pressed or loosened. However, in actual use, due to the fact that the hydraulic cylinder stretches out and draws back too fast, the compression plate retracts too fast, and then the pressure is too large, so that the equipment box is damaged, when the pressure of the compression plate on the filter plate is too large, the filter plate or the parts of the filter plate are easily damaged, and therefore the pressure protection device of the plate-and-frame filter press is designed, and the problem that the pressure of the filter press is too large is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pressure protector of plate and frame filter press to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a pressure guard for a plate and frame filter press comprising:

the machine body is a plate-frame filter press.

The pressure protection mechanism is arranged on the upper surface of the machine body.

The machine body comprises a support frame, the upper surface of the support frame is fixedly connected with a thrust plate and an equipment box respectively, a hydraulic cylinder is arranged on the side face of the equipment box, a compression plate is arranged at the telescopic end of the hydraulic cylinder, and a filter plate is arranged on the side face of the compression plate.

The pressure protection mechanism comprises a fixed plate, a round hole is formed in the side face of the fixed plate, a round rod is movably connected to the inner wall of the round hole, a limiting plate is fixedly connected to one end of the round rod, a positioning plate is fixedly connected to the other end of the round rod, a first reset spring and a second reset spring are fixedly connected to the two sides of the fixed plate respectively, a movable plate is fixedly connected to one end of the first reset spring, and a positioning rod is movably connected to the lower surface of the movable plate.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Preferably, both ends of the positioning rod are fixedly connected with the side surfaces of the thrust plate and the limiting plate respectively, and a hole matched with the end surface of the positioning rod is formed in the side surface of the fixing plate.

Preferably, the upper surface of the pressure plate is fixedly connected with the lower surface of the fixed plate, and a plurality of filter plates are arranged between the thrust plate and the pressure plate.

Preferably, the opposite ends of the first return spring and the second return spring are both provided with movable plates, and the first return spring and the second return spring are both sleeved on the round rod.

Preferably, the side surface of the movable plate is provided with a round hole matched with the end surface of the round rod, and the lower surface of the movable plate is provided with a semicircular groove matched with the surface of the positioning rod.

Advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

the utility model discloses an established pressure protection mechanism is convenient for at plate and frame filter press during operation, reduces the damage that the pressure strip caused equipment box and filter plate, and through setting up round bar and locating lever, the steady removal of the pressure strip of being convenient for sets up first reset spring and second reset spring through the both sides at the fixed plate, is convenient for reduce the flexible pressure of pneumatic cylinder, prevents that pressure is too big, and then protection filter plate and equipment box to reach this plate and frame filter press and have pressure protection's effect.

Drawings

FIG. 1 is a schematic view of the front cut structure of the present invention;

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

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a support frame; 2. a thrust plate; 3. an equipment box; 4. a hydraulic cylinder; 5. a compression plate; 6. filtering the plate; 7. a fixing plate; 8. a round bar; 9. a limiting plate; 10. positioning a plate; 11. a first return spring; 12. a second return spring; 13. a movable plate; 14. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pressure guard for a plate and frame filter press comprising:

the machine body is a plate-frame filter press.

The organism includes support frame 1, the upper surface of support frame 1 is fixedly connected with thrust plate 2 and equipment box 3 respectively, the side of equipment box 3 is provided with pneumatic cylinder 4, the flexible end of pneumatic cylinder 4 is provided with pressure strip 5, the side of pressure strip 5 is provided with filter plate 6.

Pressure protection mechanism includes fixed plate 7, the round hole has been seted up to the side of fixed plate 7, and the inner wall swing joint of round hole has round bar 8, the one end fixedly connected with limiting plate 9 of round bar 8, and the other end fixedly connected with locating plate 10 of round bar 8, the both sides of fixed plate 7 are first reset spring 11 of fixedly connected with and second reset spring 12 respectively, the one end fixedly connected's of first reset spring 11 fly leaf 13, and the lower surface swing joint of fly leaf 13 has locating lever 14.

Furthermore, the two ends of the positioning rod 14 are respectively fixedly connected with the side surfaces of the thrust plate 2 and the limiting plate 9, and the side surface of the fixing plate 7 is provided with a hole matched with the end surface of the positioning rod 14.

Furthermore, the upper surface of the pressing plate 5 is fixedly connected with the lower surface of the fixed plate 7, and a plurality of filter plates 6 are arranged between the thrust plate 2 and the pressing plate 5.

Further, the opposite ends of the first return spring 11 and the second return spring 12 are both provided with a movable plate 13, and the first return spring 11 and the second return spring 12 are both sleeved on the round rod 8.

Furthermore, a circular hole matched with the end surface of the round rod 8 is formed in the side surface of the movable plate 13, and a semicircular groove matched with the surface of the positioning rod 14 is formed in the lower surface of the movable plate 13.

In this embodiment, through the pressure protection mechanism who establishes, be convenient for at plate and frame filter press during operation, reduce the damage that pressure strip 5 caused to equipment box 3 and filter plate 6, through setting up round bar 8 and locating lever 14, the steady removal of pressure strip 5 of being convenient for, through setting up first reset spring 11 and second reset spring 12 in the both sides of fixed plate 7, be convenient for reduce the flexible pressure of pneumatic cylinder 4, prevent that pressure is too big, and then protection filter plate 6 and equipment box 3, thereby reach this plate and frame filter press and have pressure protection's effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pressure protection device of a plate and frame filter press, comprising:

a body;

the pressure protection mechanism is arranged on the upper surface of the machine body;

the machine body comprises a support frame (1), the upper surface of the support frame (1) is fixedly connected with a thrust plate (2) and an equipment box (3) respectively, a hydraulic cylinder (4) is arranged on the side surface of the equipment box (3), a compression plate (5) is arranged at the telescopic end of the hydraulic cylinder (4), and a filter plate (6) is arranged on the side surface of the compression plate (5);

pressure protection mechanism includes fixed plate (7), the round hole has been seted up to the side of fixed plate (7), and the inner wall swing joint of round hole has round bar (8), the one end fixedly connected with limiting plate (9) of round bar (8), and the other end fixedly connected with locating plate (10) of round bar (8), the both sides of fixed plate (7) are the first reset spring of fixedly connected with (11) and second reset spring (12) respectively, the one end fixedly connected's of first reset spring (11) fly leaf (13), and the lower surface swing joint of fly leaf (13) has locating lever (14).

2. The pressure guard of a plate and frame filter press according to claim 1, wherein: two ends of the positioning rod (14) are respectively fixedly connected with the side surfaces of the thrust plate (2) and the limiting plate (9), and a hole matched with the end surface of the positioning rod (14) is formed in the side surface of the fixing plate (7).

3. The pressure guard of a plate and frame filter press according to claim 1, wherein: the upper surface of pressure strip (5) and the lower surface fixed connection of fixed plate (7), and be provided with a plurality of filter plates (6) between thrust plate (2) and pressure strip (5).

4. The pressure guard of a plate and frame filter press according to claim 1, wherein: the opposite ends of the first return spring (11) and the second return spring (12) are respectively provided with a movable plate (13), and the first return spring (11) and the second return spring (12) are respectively sleeved on the round rod (8).

5. The pressure guard apparatus of a plate and frame filter press according to claim 1, wherein: the side surface of the movable plate (13) is provided with a round hole matched with the end surface of the round rod (8), and the lower surface of the movable plate (13) is provided with a semicircular groove matched with the surface of the positioning rod (14).