Diaphragm plate suitable for high-pressure filtration

Abstract

The utility model provides a high-pressure filtering diaphragm plate which comprises a filter cloth body, diaphragm plates are attached to the two ends of the filter cloth body respectively, filter cloth piles are arranged on the four edges of the filter cloth body, a feeding hole is formed in the center of each diaphragm plate, a reinforcing filter cloth clamp is arranged at the outer end of each feeding hole, a connecting hole is formed in the inner end of each reinforcing filter cloth clamp, and a double-thread sheath is arranged at the inner end of each connecting hole. The lower end of the diaphragm plate is provided with an outer welding pipeline, the tail end of the outer welding pipeline is provided with a squeezing opening, the inner end of the squeezing opening is provided with an octagonal joint and a sealing ring, four corners of the diaphragm plate are respectively provided with a washing hole and a pressure-bearing column, and the four edges of the filter cloth body are embedded with limiting plates. The limiting plate is fixed with the filter cloth body through the filter cloth pile, and the outer end of the diaphragm plate is in contact with the reinforced filter cloth clamp. The problem that the design of a solid-liquid separation machine cannot greatly increase pressure in the filtering process to achieve rapid filtering is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of solid-liquid separation machinery, and more specifically, to a filter diaphragm plate applicable to high-pressure filtration. Background Art

[0002] Today, with the rapid development of technology, efficient, energy-saving and environmentally friendly solid-liquid separation technology has become an essential process in various industries. To meet the increasingly stringent filtration tasks required by the market, it is necessary for us to continuously shorten the filtration time and improve the filtration effect, and increasing the pressure during the filtration process has become an important point to quickly achieve these requirements. The increase in filtration pressure can greatly improve filtration efficiency, filtration effect, processing capacity and reduce energy consumption, etc., but the disadvantages are also very obvious. The basic cost of the equipment and the difficulty of later maintenance also increase accordingly. High pressure can also make the equipment operate unstably, resulting in damage to the filter medium, shortening its lifespan and increasing the replacement cost.

[0003] In the prior art, during the use of solid-liquid separation machinery, it is impossible to increase the pressure to a great extent during the filtration process to achieve rapid filtration; therefore, we make improvements on this and propose a filter diaphragm plate applicable to high-pressure filtration. Summary of the Utility Model

[0004] The purpose of the present utility model is to address the problem that in the current design of solid-liquid separation machinery, it is impossible to increase the pressure to a great extent during the filtration process to achieve rapid filtration.

[0005] In order to achieve the above-mentioned utility model purpose, the present utility model provides the following technical solutions:

[0006] A filter diaphragm plate applicable to high-pressure filtration is provided to improve the above problems.

[0007] Specifically, the present application is as follows:

[0008] A filter diaphragm plate applicable to high-pressure filtration includes a filter cloth body. Diaphragm plates are respectively attached to both ends of the filter cloth body. Filter cloth piles are provided on the four sides of the filter cloth body. A feed hole is provided in the center of the diaphragm plate. A reinforced filter cloth clamp is provided at the outer end of the feed hole. A connection hole is provided at the inner end of the reinforced filter cloth clamp. A double-headed threaded sheath is provided at the inner end of the connection hole. Inner hexagon countersunk head screws are respectively provided at both ends of the double-headed threaded sheath. An externally welded pipeline is provided at the lower end of the diaphragm plate. A pressing port is provided at the tail end of the externally welded pipeline. An octagonal joint and a sealing ring are provided at the inner end of the pressing port. Washing holes and pressure-bearing columns are respectively provided at the four corners of the diaphragm plate.

[0009] As a preferred technical solution of the present application, limit plates are embedded on the four sides of the filter cloth body. The limit plates are fixed to the filter cloth body through the filter cloth piles. The outer end of the diaphragm plate is in contact with the reinforced filter cloth clamp.

[0010] As a preferred technical solution of the present application, the filter cloth clamp is fixed to each other through a double-headed threaded sheath and a socket head cap screw. The double-headed threaded sheath passes through two groups of diaphragm plates and the filter cloth body through the connection holes, and the lower end of the diaphragm plate is fixedly welded to the outer welded pipeline.

[0011] As a preferred technical solution of the present application, the inner end of the outer welded pipeline is provided with a pressing flow channel, and both ends of the pressing flow channel respectively penetrate between the pressing port and the diaphragm plate.

[0012] As a preferred technical solution of the present application, the pressing port is movably connected to the octagonal joint, and the octagonal joint and the pressing port are fixed through a sealing ring. The washing holes penetrate through the four corners of the diaphragm plate.

[0013] As a preferred technical solution of the present application, the pressure-bearing column penetrates through the outer ends of two groups of diaphragm plates.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the solution of the present application:

[0016] By improving the design of the feeding, liquid discharging, and pressing ports and selecting diaphragm plates of specific materials, the filtration efficiency is improved, the residue is reduced, and at the same time, the sealing performance and structural stability of the device are enhanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall exploded structural schematic diagram of a high-pressure filtration diaphragm plate provided by the present application;

[0018] Figure 2 It is an overall installation structural schematic diagram of a high-pressure filtration diaphragm plate provided by the present application;

[0019] Figure 3 It is a front sectional right view structural schematic diagram of the feeding hole of a high-pressure filtration diaphragm plate provided by the present application;

[0020] Figure 4 It is an overall exploded back structural schematic diagram of a high-pressure filtration diaphragm plate provided by the present application;

[0021] Figure 5 It is an overall front view structural schematic diagram of a high-pressure filtration diaphragm plate provided by the present application;

[0022] Figure 6 It is a high-pressure filtration diaphragm plate provided by the present application Figure 5 A-A sectional view;

[0023] Figure 7 It is a high-pressure filtration diaphragm plate provided by the present application Figure 5 B-B sectional view.

[0024] Indications in the figure:

[0025] 1. Filter cloth pile; 2. Diaphragm plate; 3. Pressure-bearing column; 4. Double-headed threaded pin; 5. Reinforced filter cloth clamp; 6. Socket head cap screw; 7. Octagonal joint; 8. Sealing ring; 9. Outer welded pipeline; 10. Washing hole; 11. Feeding hole; 12. Pressing port; 13. Filter cloth body. Specific implementation manner

[0026] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model.

[0027] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model to be protected, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model. It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.

[0028] It should be noted that: similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] As Figures 1-7 shown, this implementation manner provides a diaphragm plate 2 suitable for high-pressure filtration, including a filter cloth body 13. Diaphragm plates 2 are respectively attached to both ends of the filter cloth body 13. Filter cloth piles 1 are provided on the four sides of the filter cloth body 13. A feeding hole 11 is provided in the center of the diaphragm plate 2. A reinforced filter cloth clamp 5 is provided at the outer end of the feeding hole 11. A connection hole is provided at the inner end of the reinforced filter cloth clamp 5. A double-headed threaded sheath is provided at the inner end of the connection hole. Socket head cap screws 6 are provided at both ends of the double-headed threaded sheath. An outer welded pipeline 9 is provided at the lower end of the diaphragm plate 2. A pressing port 12 is provided at the tail end of the outer welded pipeline 9. An octagonal joint 7 and a sealing ring 8 are provided at the inner end of the pressing port 12. Washing holes 10 and pressure-bearing columns 3 are respectively provided at the four corners of the diaphragm plate 2.

[0030] In the feeding structure, a reinforced filter cloth clamp 5 is installed at the feeding hole 11 as a support to improve the stability and filtration efficiency of the filter cloth body 13. The combination of the feeding structure and the reinforced filter cloth clamp 5 not only enhances the stability of the filter cloth body 13, but also improves the filtration efficiency, ensures uniform distribution during the filtration process, and reduces the risk of blockage;

[0031] The fixing method of the double-headed threaded sheath and the socket head cap screw 6 ensures the firmness of the reinforced filter cloth clamp 5 and enhances the structural stability of the entire device.

[0032] The four-corner liquid outlet design meets the process requirements of filter cake washing and filtrate purging. The layout of the four-corner liquid outlet design and the washing holes 10 meets the process requirements of filter cake washing and filtrate purging, optimizes the liquid flow path, improves the washing efficiency and filtrate recovery rate.

[0033] The design of the bottom quick pressing port 12 significantly improves the efficiency of water inlet and outlet, reduces the residue of pressing water, thereby enhancing the filtration efficiency and product quality.

[0034] The bottom quick pressing port 12 optimizes the water inlet and outlet efficiency and reduces the residue of pressing water.

[0035] There are restriction plates and pressure-bearing columns 3 embedded inside the four corners of the sealing surface to ensure that the sealing surface deforms within a reasonable compression range, improving the sealing performance. The combination of the pressure-bearing columns 3 and the restriction plates inside the four corners of the sealing surface ensures that the sealing surface deforms within a reasonable compression range, improves the sealing performance, effectively prevents leakage, enhances the pressure resistance of the device. The diaphragm plate 2 is made of high molecular materials such as PP, TPV, and TPE. These materials have excellent corrosion resistance and pressure resistance, extend the service life of the device, and reduce the maintenance cost.

[0036] The material of the diaphragm plate 2 is selected from high molecular materials such as PP, TPV, and TPE to enhance corrosion resistance and pressure resistance.

[0037] Restriction plates are embedded on the four sides of the filter cloth body 13. The restriction plates are fixed to the filter cloth body 13 through filter cloth piles 1. The outer ends of the diaphragm plates 2 are in contact with the reinforced filter cloth clamps 5.

[0038] The reinforced filter cloth clamps 5 are fixed to each other through double-headed threaded sheaths and socket head cap screws 6. The double-headed threaded sheaths pass through the two groups of diaphragm plates 2 and the filter cloth body 13 through the connection holes. The lower ends of the diaphragm plates 2 are welded and fixed to the outer welded pipeline 9.

[0039] The reinforced filter cloth clamps 5 are fixed to the device main body through socket head cap screws 6 to enhance the structural stability.

[0040] The inner end of the outer welded pipeline 9 is provided with a pressing flow channel, and both ends of the pressing flow channel respectively penetrate between the pressing port 12 and the diaphragm plate 2.

[0041] The pressing port 12 is movably connected to the socket head cap screw 6. The socket head cap screw 6 and the pressing port 12 are fixed through a sealing ring 8. The washing holes 10 penetrate through the four corners of the diaphragm plate 2.

[0042] The sealing ring 8 between the diaphragm plate 2 and the device main body is connected through the socket head cap screw 6 to enhance the sealing effect.

[0043] The pressure-bearing column 3 penetrates through the outer ends of the two groups of diaphragm plates 2.

[0044] The pressure-bearing column 3 is connected to the limiting plate through a double-headed threaded pin 4 to ensure the stability of the pressure-bearing column 3 and the reasonable compression of the sealing surface.

[0045] The overall installation process is as follows:

[0046] (1) Place the filter cloth pile 1 at the predetermined position, and fix the reinforced filter cloth clamp 5 to the connection hole of the diaphragm plate 2 through the socket head cap screw 6 to ensure that the filter cloth clamp is firm and straight;

[0047] (2) Install the diaphragm plate 2: Insert the socket head cap screw 6 into the connection hole of the diaphragm plate 2 for fixation to ensure that the diaphragm plate 2 is in close contact with the filter cloth body 13;

[0048] (3) Install the pressure-bearing column 3 and the limiting plate: Install the limiting plate inside the four corners of the sealing surface of the diaphragm plate 2 to ensure the correct installation of the limiting plate and the pressure-bearing column 3, and ensure the stability of the pressure-bearing column 3 within the reasonable compression range;

[0049] (4) Connect the bottom quick squeezing port 12: Connect the bottom quick squeezing port 12 to the external system through the externally welded pipeline 9 to ensure a tight connection without leakage;

[0050] (5) Inspection and testing: After completing the above steps, conduct a comprehensive inspection to ensure that all components are correctly installed without looseness or misalignment, conduct a preliminary running test, and check the functions of the feeding, liquid discharging, and squeezing port 12 of the device to ensure no leakage and smooth operation;

[0051] (6) Final confirmation: After completing all tests, check all connection points again to ensure that all components are firm and reliable

[0052] When this application is in use: Through the middle feeding method of the filter plate, feed through the feeding hole 11, the liquid discharges from the four corners, and the feeding hole 11 is installed with a reinforced filter cloth clamp 5 as a support, which can meet the process requirements such as filter cake washing and filtrate purging. The bottom squeezing port 12 can also complete the water inlet and outlet actions more quickly during this process, and there is no excessive residual squeezing water. The limiting plate is inlaid inside the four corners of the sealing surface to provide the pressure-bearing column 3 that deforms within the reasonable compression range.

[0053] The above embodiments are only used to illustrate the present invention and do not limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above respective embodiments, the present invention is not limited to the above specific implementation manners. Therefore, any modification or equivalent replacement to the present invention; and all technical solutions and their improvements that do not depart from the spirit and scope of the present invention are covered by the scope of the claims of the present invention.

Claims

1. A high-pressure filtration diaphragm plate is applicable, including a filter cloth body (13), characterized in that, Both ends of the filter cloth body (13) are respectively attached with diaphragm plates (2). Filter cloth piles (1) are provided on the four sides of the filter cloth body (13). A feed hole (11) is provided in the center of the diaphragm plate (2). A reinforced filter cloth clamp (5) is provided at the outer end of the feed hole (11). A connection hole is provided at the inner end of the reinforced filter cloth clamp (5). A double-headed threaded sheath is provided at the inner end of the connection hole. Inner hexagon countersunk head screws (6) are respectively provided at both ends of the double-headed threaded sheath. An outer welded pipeline (9) is provided at the lower end of the diaphragm plate (2). A pressing port (12) is provided at the tail end of the outer welded pipeline (9). An octagonal joint (7) and a sealing ring (8) are provided at the inner end of the pressing port (12). Washing holes (10) and pressure-bearing columns (3) are respectively provided at the four corners of the diaphragm plate (2).

2. The high-pressure filtration diaphragm plate according to claim 1, characterized in that, Restricting plates are embedded in the four sides of the filter cloth body (13). The restricting plates are fixed to the filter cloth body (13) through the filter cloth piles (1). The outer ends of the diaphragm plates (2) are in contact with the reinforced filter cloth clamps (5).

3. The high-pressure filtration diaphragm plate according to claim 2, wherein The reinforced filter cloth clamps (5) are fixed to each other through the double-headed threaded sheath and the inner hexagon countersunk head screws (6). The double-headed threaded sheath passes through the two groups of diaphragm plates (2) and the filter cloth body (13) through the connection holes. The lower end of the diaphragm plate (2) and the outer welded pipeline (9) are fixedly welded together.

4. A high-pressure filtration diaphragm plate according to claim 3, characterized in that, A pressing flow channel is provided at the inner end of the outer welded pipeline (9). Both ends of the pressing flow channel respectively penetrate between the pressing port (12) and the diaphragm plate (2).

5. The high-pressure filtration diaphragm plate according to claim 4, characterized in that, The pressing port (12) is movably connected to the octagonal joint (7). The octagonal joint (7) and the pressing port (12) are fixed through the sealing ring (8). The washing holes (10) penetrate through the four corners of the diaphragm plate (2).

6. The high-pressure filtration diaphragm plate according to claim 5, wherein The pressure-bearing columns (3) penetrate through the outer ends of the two groups of diaphragm plates (2).

Images