CN211659356U

CN211659356U - Dedicated plastics filter plate of vertical pressure filter of intelligence

Info

Publication number: CN211659356U
Application number: CN201922442100.0U
Authority: CN
Inventors: 高焕
Original assignee: Nanjing Gandu Information Technology Co ltd
Current assignee: Nanjing Gandu Information Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-13
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a special plastic filter plate for an intelligent vertical filter press, which comprises a filter plate body, wherein the filter plate body comprises a top surface and a bottom surface which are parallel to each other, a left side surface and a right side surface which are opposite to each other, a first concave groove is arranged on the top surface, a filter screen is embedded in the first concave groove, a second concave groove is arranged on the bottom surface, and a squeezing diaphragm is embedded in the second concave groove; a filtrate port and a slurry port are sequentially formed in the right side surface from top to bottom, the filtrate port is communicated with the first groove, the communication position of the filtrate port and the first groove is positioned below the filter screen, the slurry port is communicated with the second groove, and the communication position of the slurry port and the second groove is positioned below the squeezing membrane; a squeezing opening is formed in the left side face and is communicated with the second groove, and the position where the squeezing opening is communicated with the second groove is located above the squeezing diaphragm; an annular groove is formed in the bottom surface, the annular groove surrounds the outer side of the second groove, and a sealing strip is embedded in the annular groove.

Description

Dedicated plastics filter plate of vertical pressure filter of intelligence

Technical Field

The utility model relates to a vertical pressure filter technical field especially relates to a dedicated plastics filter plate of vertical pressure filter of intelligence.

Background

The intelligent vertical filter press has the characteristics of automation, intellectualization and lean, and can carry out intelligent management and operation monitoring on the filter press, so that the safe, stable and efficient operation of equipment can be effectively ensured. The filter plate is one of the key parts of the intelligent vertical filter press, and can be washed and corroded by materials and also be subjected to the sealing pressure of a pressing mechanism in work. The design and manufacture of the filter plate are required to meet the strict use conditions, and once the filter plate is in a problem, the whole vertical filter press enters a paralysis state.

The filter plate of the existing intelligent vertical filter press mainly has two structures, one is the filter plate made of all metal materials, and the other is the filter plate made of metal and plastic composite. The two kinds of filter plates are provided with filter frames, partition plates, filter solution tanks, grids, diaphragms and sealing devices, wherein the filter frames are connected with the partition plates through dozens of bolts, and the diaphragms are clamped in the filter frames to form a filter pressing cavity below the diaphragms and a filter pressing cavity above the diaphragms. The filtrate tank is positioned on the upper part of the clapboard, and is also fixed on the upper part of the clapboard by dozens of bolts, and the grating is positioned in the filtrate tank. These two filter plates have problems of poor corrosion resistance, easy deformation, complicated manufacturing and high cost.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a dedicated plastics filter plate of vertical pressure filter of intelligence.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plastic filter plate special for an intelligent vertical filter press comprises a filter plate body, wherein the filter plate body comprises a top surface and a bottom surface which are parallel to each other, a left side surface and a right side surface which are opposite to each other, the top surface is provided with an inwards concave first groove, a filter screen is embedded in the first groove, the bottom surface is provided with an inwards concave second groove, and a squeezing diaphragm is embedded in the second groove; a filtrate port and a slurry port are sequentially formed in the right side surface from top to bottom, the filtrate port is communicated with the first groove, the communication position of the filtrate port and the first groove is positioned below the filter screen, the slurry port is communicated with the second groove, and the communication position of the slurry port and the second groove is positioned below the squeezing membrane; a squeezing opening is formed in the left side face and is communicated with the second groove, and the position where the squeezing opening is communicated with the second groove is located above the squeezing membrane; an annular groove is formed in the bottom surface, the annular groove surrounds the outer side of the second groove, and a sealing strip is embedded in the annular groove.

Preferably, the filter plate body is rectangular and is of an integral structure.

Preferably, the second groove is provided with a first fixing groove and a second fixing groove, the first fixing groove is located in the second groove and above the slurry port, the second fixing groove is located on the bottom surface and between the extension of the second groove and the annular groove, the first fixing groove is higher than the second fixing groove, and two ends of the squeezing membrane are respectively embedded in the first fixing groove and the second fixing groove.

Preferably, the pressing membrane is a deformable and resettable rubber membrane, and the length of the pressing membrane is greater than the linear distance between the first fixing groove and the second fixing groove.

Preferably, both ends of the squeezing membrane are provided with square protrusions, square grooves matched with the square protrusions are respectively arranged in the first fixing groove and the second fixing groove, and the square protrusions are embedded in the square grooves.

Preferably, the sealing strip is circular, and the sealing strip protrudes outside the annular groove.

Preferably, the press port, the filtrate port and the slurry port are all wedge-shaped.

Preferably, the filter screen and the squeezing membrane are both detachable and replaceable structures.

Compared with the prior art, the beneficial effects of the utility model are that: the second groove, the pressing diaphragm and the slurry opening are matched with filter cloth to form a slurry pressing cavity; the squeezing opening, the second groove and the squeezing membrane are matched to form a pressure applying cavity when high-pressure water is injected; first recess, filter screen and filtrate mouth cooperate the filter cloth again and form the filter chamber, utilize each cavity that an organic whole structure directly formed needs when vertical filter-pressing, simple structure, low cost, and plastics filter plate itself has good corrosion resistance, and non-deformable simultaneously satisfies various demands when vertical filter-press filter-pressing, convenient to use promotes.

Drawings

Fig. 1 is a cross-sectional view of the plastic filter plate overall structure specially used for the intelligent vertical filter press of the present invention.

Fig. 2 is a schematic view of the plastic filter plate for the intelligent vertical filter press according to the present invention.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

Referring to fig. 1 and fig. 2, fig. 1 is a sectional view of an overall structure of a plastic filter plate dedicated for an intelligent vertical filter press according to the present invention, and fig. 2 is a schematic view of a plastic filter plate dedicated for an intelligent vertical filter press when two members are combined for use.

As shown in fig. 1, the plastic filter plate special for the intelligent vertical filter press according to an embodiment of the present invention includes a filter plate body 2, the filter plate body 2 includes a top surface 21 and a bottom surface 22 parallel to each other, and a left side surface 23 and a right side surface 24 opposite to each other on the left and right, an inwardly concave first groove 25 is disposed on the top surface 21, a filter screen 4 is embedded in the first groove 25, an inwardly concave second groove 26 is disposed on the bottom surface 22, and a squeezing membrane 5 is embedded in the second groove 26; a filtrate port 6 and a slurry port 7 are sequentially formed in the right side surface 24 from top to bottom, the filtrate port 6 is communicated with the first groove 25, the communication position of the filtrate port 6 and the first groove 25 is positioned below the filter screen 4, the slurry port 7 is communicated with the second groove 26, and the communication position of the slurry port 7 and the second groove 26 is positioned below the squeezing membrane 5; the left side surface 23 is provided with a squeezing opening 3, the squeezing opening 3 is communicated with a second groove 26, and the position where the squeezing opening 3 is communicated with the second groove 26 is positioned above the squeezing diaphragm 5; the bottom surface 22 is provided with an annular groove 8, the annular groove 8 surrounds the outer side of the second groove 26, and the sealing strip 1 is embedded in the annular groove 8. Preferably, the filter plate body 2 is rectangular and of unitary construction. The integrated into one piece's structure has avoided numerous and complicated installation procedure, the installation of being more convenient for is used, and simple structure, the material of plastics, low cost, and have good corrosion resisting property.

Referring to fig. 1 and 2, in an embodiment, the filter plate body 2 is formed by numerical control machining, wherein the filter plate body includes a first groove 25, a second groove 26, a pressing port 3, a filtrate port 6, a slurry port 7 and an annular groove 8, which are all integrally formed by numerical control machining, and the filter plate body, the pressing diaphragm 5 and the sealing strip 1, which are necessary in the filter pressing process, are arranged and combined to form an integral structure of the filter plate. Wherein, the second groove 26, the pressing membrane 5 and the slurry opening 7 are matched with the filter cloth 9 to form a slurry pressing cavity; the squeezing opening 3, the second groove 26 and the squeezing membrane 5 are matched to form a pressurizing cavity when high-pressure water is injected; the first groove 25, the filter screen 4 and the filtrate port 6 are matched with the filter cloth 9 to form a filter cavity.

When in normal use, the squeezing port 3 is connected with the squeezing nozzle, the filtrate port 6 is connected with the filtrate nozzle, and the slurry port 7 is connected with the slurry nozzle. In normal operation of a vertical filter press, a plurality of filter plates are typically stacked together, where two filter plates are stacked, as shown in fig. 2. At the moment, the feeding pipe is connected with the slurry nozzle and is connected with the slurry port 7, the high-pressure water pipe is connected with the squeezing nozzle and is connected with the squeezing port 3, and the filtrate pipe is connected with the filtrate nozzle and is connected with the filtrate port 6. The upper filter plate and the lower filter plate are tightly pressed together, the filter cloth 9 is pulled between the two filter plates, a second groove 26 of the upper filter plate and a first groove 25 of the lower filter plate form a closed space, the filter cloth 9, the second groove 26 of the upper filter plate, a squeezing diaphragm 5 and a slurry opening 7 form a slurry squeezing cavity, slurry is pumped into the slurry squeezing cavity from the slurry opening 7, the slurry falls on the filter cloth 9, the slurry is in a sealed environment due to the pressing of the upper filter plate and the lower filter plate and the action of a sealing strip 1, and after continuous injection, the slurry can be subjected to pressure action in the limited space, so that filtrate water in the slurry is squeezed out, solid and liquid in the slurry are separated, the liquid enters the filter cavity through the filter cloth 9, is gathered through the filter screen 4 and then flows out through the filtrate opening 6; after the slurry squeezing cavity is filled with slurry, the high-pressure water pipe continuously pumps high-pressure water into the pressure applying cavity from the squeezing port 3 to expand the cavity of the pressure applying cavity, the squeezing diaphragm 5 is pressed, the squeezing diaphragm 5 downwards squeezes the slurry in the slurry squeezing cavity, solid materials in the slurry squeezing cavity are forcibly compressed, residual liquid in the solid materials is squeezed out, then the residual liquid enters the filter cavity through the filter cloth 9, and the residual liquid flows out through the filter liquor port 6 after being gathered by the filter screen 4, so that the whole filter pressing work is realized.

Preferably, the second groove 26 is opened with a first fixing groove 27 and a second fixing groove 28, the first fixing groove 27 is located in the second groove 26 and above the slurry outlet 7, the bottom surface 22 of the second fixing groove 28 is located between the extension of the second groove 26 and the annular groove 8, the position of the first fixing groove 27 is higher than that of the second fixing groove 28, and two ends of the pressing membrane 5 are respectively embedded in the first fixing groove 27 and the second fixing groove 28. The first fixing groove 27 and the second fixing groove 28 are used for fixing two ends of the pressing membrane 5, so that the pressing membrane 5 is prevented from falling off in the second groove 26 under the pressure of high-pressure water, and the filter pressing work cannot be completed. The first fixing groove 27 is located above the slurry port 7, so that when the pressing membrane 5 is fixed, the space in the second groove 26 can be effectively separated, and the connection between the pressing port 3 and the slurry port 7 is blocked, so that the pressing port 3 and the slurry port 7 are respectively located in two different spaces. Namely, the pressing function of the filter plate is realized by separating a slurry pressing cavity and a pressure applying cavity by using the fixed position of the pressing diaphragm 5. The other end of the squeezing membrane 5 is fixed on the bottom surface 22 of the filter plate body 2, so that the squeezing membrane 5 can be effectively fixed and sealed by using the pressure of the filter plate, and high-pressure water is prevented from permeating into the slurry squeezing cavity.

Preferably, the pressing diaphragm 5 is a deformable rubber diaphragm, and the length of the pressing diaphragm 5 is greater than the linear distance between the first fixing groove 27 and the second fixing groove 28. In an embodiment, the pressing membrane 5 can be entirely attached to the side wall of the second groove 26, so that a sufficient space for containing slurry in the slurry pressing cavity can be ensured, and the working efficiency of press filtration is ensured.

Preferably, square protrusions 51 are provided at both ends of the squeeze film 5, square grooves 29 matched with the square protrusions 51 are provided in the first fixing groove 27 and the second fixing groove 28, respectively, and the square protrusions 51 are embedded in the square grooves 29. The arrangement of the square bulge 51 can further effectively fix the squeezing membrane 5, and the two ends of the squeezing membrane 5 are prevented from loosening in work.

Preferably, the sealing strip 1 is circular and the sealing strip 1 protrudes outside the annular groove 8. The annular sealing strip 1 is embedded in the annular groove 8, and part of the sealing strip 1 protrudes out of the annular groove 8 after the annular groove 8 is filled, so that the sealing strip 1 is filled between adjacent filter plates when the adjacent filter plates are compressed and sealed, and a good sealing effect is achieved. Furthermore, the annular groove 8 is a dovetail groove, i.e., the width in the groove is greater than the width of the notch, so that the sealing strip 1 can be prevented from falling off.

Preferably, the press port 3, filtrate port 6 and slurry port 7 are all wedge-shaped. For the slurry opening 7 and the squeezing opening 3, the caliber is gradually reduced, and one wedge-shaped side is positioned above, so that a good backflow effect can be achieved; one side of the wedge-shape for the filtrate port 6 is located below, which facilitates the outflow of filtrate from the first groove 25.

Preferably, the filter screen 4 and the squeeze membrane 5 are both detachable and replaceable structures. After the filter pressing operation for many times, the first groove 25 is likely to be blocked, the filter screen 4 is detached, cleaned or replaced, and the first groove 25 is cleaned at the same time, so that the working performance of the filter plate can be ensured. Because squeeze diaphragm 5 and be rubber deformable structure, after frequently experiencing high pressure water punching, can appear wearing and tearing, at this moment, change and squeeze diaphragm 5, continuation filter-pressing work that can be better.

From the above, the plastic filter plate special for the intelligent vertical filter press of the utility model, the second groove 26, the pressing diaphragm 5 and the slurry opening 7 are matched with the filter cloth to form a slurry pressing cavity; the squeezing opening 3, the second groove 26 and the squeezing membrane 5 are matched to form a pressurizing cavity when high-pressure water is injected; first recess 25, filter screen 4 and filtrating mouth 6, the filter cloth that deuterogamies forms the filter chamber, utilizes each cavity that an organic whole structure directly needs when forming vertical filter-pressing, simple structure, low cost, and plastics filter plate itself has good corrosion resistance, and non-deformable simultaneously satisfies various demands when vertical filter-pressing, convenient to use promotes.

The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.

Claims

1. The utility model provides a dedicated plastics filter plate of vertical pressure filter of intelligence which characterized in that: the filter plate comprises a filter plate body, wherein the filter plate body comprises a top surface and a bottom surface which are parallel to each other, and a left side surface and a right side surface which are opposite to each other, an inwards concave first groove is formed in the top surface, a filter screen is embedded in the first groove, an inwards concave second groove is formed in the bottom surface, and a squeezing membrane is embedded in the second groove; a filtrate port and a slurry port are sequentially formed in the right side surface from top to bottom, the filtrate port is communicated with the first groove, the communication position of the filtrate port and the first groove is positioned below the filter screen, the slurry port is communicated with the second groove, and the communication position of the slurry port and the second groove is positioned below the squeezing membrane; a squeezing opening is formed in the left side face and is communicated with the second groove, and the position where the squeezing opening is communicated with the second groove is located above the squeezing membrane; an annular groove is formed in the bottom surface, the annular groove surrounds the outer side of the second groove, and a sealing strip is embedded in the annular groove.

2. The plastic filter plate special for the intelligent vertical filter press according to claim 1, wherein: the filter plate body is rectangular and is of an integrated structure.

3. The plastic filter plate special for the intelligent vertical filter press according to claim 1, wherein: the second groove is provided with a first fixing groove and a second fixing groove, the first fixing groove is located in the second groove and located above the slurry opening, the second fixing groove is located on the bottom surface and located between the extension of the second groove and the annular groove, the first fixing groove is higher than the second fixing groove, and two ends of the squeezing membrane are embedded in the first fixing groove and the second fixing groove respectively.

4. The plastic filter plate special for the intelligent vertical filter press according to claim 3, wherein: the squeezing diaphragm is a deformable and resettable rubber diaphragm, and the length of the squeezing diaphragm is larger than the linear distance between the first fixing groove and the second fixing groove.

5. The plastic filter plate special for the intelligent vertical filter press according to claim 3, wherein: the two ends of the squeezing diaphragm are provided with square bulges, square grooves matched with the square bulges are respectively arranged in the first fixing groove and the second fixing groove, and the square bulges are embedded in the square grooves.

6. The plastic filter plate special for the intelligent vertical filter press according to claim 1, wherein: the sealing strip is circular ring-shaped, and the sealing strip is protruded out of the outer side of the annular groove.

7. The plastic filter plate special for the intelligent vertical filter press according to claim 1, wherein: the squeezing opening, the filtrate opening and the slurry opening are all wedge-shaped.

8. The plastic filter plate special for the intelligent vertical filter press according to claim 1, wherein: the filter screen with squeeze the diaphragm and be detachable alternate structure.