Elastic drain board and filter press

Abstract

The utility model relates to the technical field of solid-liquid separation, in particular to an elastic drain board and a filter press. The filter press comprises an elastic drainage plate and filter bags, the filter bags are arranged on at least one side of the elastic drainage plate in the thickness direction, and one side of each filter bag is opened to form a discharge port; the elastic drainage plate comprises a drainage plate body, the surface, facing the filter bag, of the drainage plate body is a filter pressing face, and an elastic sealing piece is arranged on the filter pressing face and used for pressing the opening side of the filter bag so as to seal a discharging opening of the filter bag. The elastic drain board has the following advantages: 1, slime water cannot remain on the elastic sealing piece, and is easy to clean and maintain; the elastic sealing piece is not prone to dislocation and separation; 3, the filter pressing area can be fully utilized, and under the same condition, the filter pressing area is larger or the total volume is smaller; and 4, the filter press has filter pressing and sealing functions, so that a conventional sealing device of the filter press can be abandoned.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid -liquid separation technical field especially is related to a elastic drainage plate and filter press. BACKGROUND

[0002] The filter press is the main filter equipment of solid -liquid separation industry, mainly through the oil cylinder and press tightly, each drainage plate forms the filter chamber between drainage plate, fluid material enters the filter chamber and carries out the filtration dehydration through the filter cloth / bag on the drainage plate, and water is discharged through the eye on the filter cloth / bag, and forms filter cake in the filter chamber, and the filter cake falls off into the subsequent transport equipment after the drainage plate is pulled open. The commonly used drainage plate is non-elastic drainage plate, and the drainage plate and the drainage plate adopt the sealing mode that the end face of the drainage plate and the end face of another drainage plate are in hard contact, and the sealing mode has defects such as poor sealing and easy damage of the drainage plate.

[0003] At present, there are some elastic drainage plates (referring to the patent file with the patent number CN215310432U and the name elastic filter plate) on the market, that is, elastic bosses are added to the frame peripheral edge of the filter plate (i.e. drainage plate), and under the pushing of the oil cylinder, two adjacent drainage plates are close, the elastic bodies of the two drainage plates are in direct contact, are deformed under pressure, and sealing is completed. The elastic drainage plate generally has the following problems: first, the elastic bosses are prone to local abnormal deformation, liquid leakage and other problems when they are misaligned and extruded, and the local abnormal deformation of the elastic bosses is prone to uneven stress of the elastic bosses, and then the elastic bosses are prone to misalignment and separation between the frame body, second, the elastic bodies are in direct contact, the friction coefficient of the elastic bodies is small, and the elastic bodies are prone to misalignment and separation, and third, the elastic bodies are arranged around the filter pressing surface of the drainage plate, so that the elastic bosses occupy too much area of the filter pressing surface, the filter pressing area is not fully utilized, and if the filter pressing area is maintained unchanged, the volume of the drainage plate is larger than that of the conventional drainage plate, and the weight increases, which puts higher requirements on the bearing mechanism. UTILITY MODEL CONTENTS

[0004] The first object of the utility model is to provide an elastic drainage plate to solve the technical problems of easy misalignment and separation and insufficient utilization of filter pressing area of the existing elastic drainage plate.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] An elastic drainage plate is suitable for a filter press, the filter press comprises the elastic drainage plate and a filter bag, at least one side of the thickness direction of the elastic drainage plate is provided with the filter bag, one side of the filter bag is open to form a discharge port, the elastic drainage plate comprises a drainage plate main body, the surface of the drainage plate main body towards the filter bag is a filter pressing surface, the filter pressing surface is provided with an elastic sealing piece, and the elastic sealing piece is used for pressing the open side of the filter bag to close the discharge port of the filter bag.

[0007] Furthermore, the filter press surface is covered with a screen or has multiple protrusions.

[0008] And / or, the main body of the drainage plate is provided with an installation structure for installing the filter bag;

[0009] And / or, the drainage board body and the elastic sealing member are fitted together.

[0010] Furthermore, it also includes at least one dividing strip disposed on the filter press surface, the dividing strip dividing the filter press surface into at least two filter press regions.

[0011] Furthermore, the dividing strip is an elastic element;

[0012] And / or, the material of the separator includes polyurethane and rubber.

[0013] Furthermore, the installation structure is movably mounted on the main body of the drainage board, including a filter bag support rod and a hanging rod, wherein: the filter bag support rod is located at the upper end of the main body of the drainage board; the hanging rod is fixedly mounted on the filter bag support rod, and the filter bag is hung on the hanging rod.

[0014] Furthermore, a flow guide groove or flow guide hole is provided through the separator bar, and the flow guide groove or flow guide hole is connected between the filter pressing areas on both sides of the separator bar.

[0015] Furthermore, the main body of the drainage board and the partition strip are fitted together;

[0016] And / or, the separator and the resilient sealing element are fitted together;

[0017] And / or, the elastic sealing element is disposed on one side edge of the filter press surface, and the elastic sealing element intersects the separator strip perpendicularly.

[0018] Furthermore, a dovetail groove is provided on the filter press surface, and a limiting block adapted to the shape of the dovetail groove is provided on the elastic sealing member, and the limiting block is embedded in the dovetail groove;

[0019] Alternatively, the elastic sealing member is provided with a dovetail groove, and the filter press surface is provided with a limiting block that matches the shape of the dovetail groove, the limiting block being embedded in the dovetail groove.

[0020] Furthermore, it also includes two handles symmetrically arranged on both sides of the main body of the drainage board.

[0021] The second object of the utility model provides a filter press, including several filter bags which are distributed side by side and the elastic drainage plate of any one of the above, one or more filter bags are arranged between the adjacent two elastic drainage plates.

[0022] The utility model has the advantages of:

[0023] The utility model provides a kind of elastic drainage plate and filter press;Filter press includes filter bag, the side opening of filter bag to form discharge port, and the thickness direction of elastic drainage plate is provided with filter bag at least one side;Elastic drainage plate includes drainage plate main part, the surface of drainage plate main part towards filter bag is filter pressing surface, and elastic sealing member is provided on filter pressing surface, and elastic sealing member is used to compress the opening side of filter bag to close the discharge port of filter bag.The elastic drainage plate includes following advantages: 1, coal slime water does not remain on elastic sealing member, easy to clean and maintain;2, elastic sealing member is not prone to misalignment separation phenomenon;3, can make full use of filter pressing area, under same condition, or filter pressing area is larger or total volume is smaller;4, it has filter pressing and sealing function, can make filter press discard conventional sealing device. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0025] Figure 1 The assembly structure schematic diagram of the elastic drainage plate and the filter bag provided by the utility model embodiment is shown;

[0026] Figure 2 The three-dimensional structure schematic diagram of the filter bag provided by the utility model embodiment is shown;

[0027] Figure 3 The structure schematic diagram of the elastic drainage plate when being compressed is shown;

[0028] Figure 4 For Figure 1 The enlarged view at A is shown;

[0029] Figure 5 The three-dimensional structure schematic diagram of the elastic drainage plate provided by the utility model embodiment is shown;

[0030] Figure 6 For Figure 5 The enlarged view at B is shown;

[0031] Figure 7The three-dimensional structure schematic diagram of the elastic drainage plate containing the screen is provided for the embodiment of the utility model.

[0032] Figure 8 The structure schematic diagram of the elastic drainage plate when the protrusion is arranged on the drainage plate main body is provided for the embodiment of the utility model.

[0033] Figure 9 The structure schematic diagram of the elastic drainage plate when the two separation strips are contained is provided for the embodiment of the utility model.

[0034] Icon:

[0035] 100-filter bag; 110-unloading port; 120-feeding port; 130-hanging rod;

[0036] 200-elastic drainage plate; 210-drainage plate main body; 211-dovetail groove; 220-elastic sealing element; 221-limiting block; 230-separation strip; 231-flow guide groove; 240-screen; 250-handle; 260-filter bag supporting rod; 270-hanging rod; 280-inserting shaft; 290-inserting sleeve. DETAILED DESCRIPTION

[0037] The technical solutions of the utility model will be clearly and completely described below in combination with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0038] It should be noted that, in the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0039] It should be noted that, in the description of the utility model, the terms "connection" and "installation" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or connected through an intermediate medium; it can be mechanical connection, or electrical connection. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] Reference Figure 1The first aspect embodiment of the present application provides an elastic drainage plate 200 suitable for a filter press, the filter press comprising a filter bag 100 and the elastic drainage plate 200, one side of the filter bag 100 being open to form a discharge port 110, and at least one side of the elastic drainage plate 200 in the thickness direction being provided with the filter bag 100. That is, a plurality of filter bags 100 can be provided on one side of the elastic drainage plate 200 in the thickness direction, or a plurality of filter bags 100 can be provided on both sides of the elastic drainage plate 200 in the thickness direction, wherein the plurality of filter bags 100 represents one, two or more. The elastic drainage plate 200 comprises a drainage plate body 210, the surface of the drainage plate body 210 facing the filter bag 100 is a filter pressing surface, and the filter pressing surface is provided with an elastic sealing member 220, the elastic sealing member 220 being used to compress the open side of the filter bag 100 to close the discharge port 110 of the filter bag 100.

[0041] As shown in Figure 2 The filter bag 100 is generally rectangular, and has four sides, three of which are sealed, and the other unsealed side forms the discharge port 110. After the filter bag 100 is installed on the frame of the filter press, the discharge port 110 of the filter bag 100 can always be arranged downward; or the discharge port 110 of the filter bag 100 can be turned downward for discharge. For the embodiment in which the discharge port 110 of the filter bag 100 is always arranged downward, the filter bag 100 is provided with a feed port 120 communicating with the filter chamber, and after the discharge port 110 of the filter bag 100 is closed, slurry is injected into the filter bag 100 through the feed port 120 of the filter bag 100. Of course, the filter bag 100 can also be in the shape of a polygon, a circle or an irregular shape, as long as it can contain slurry.

[0042] As shown in Figure 3As shown, the filter press generally comprises a plurality of elastic drainage plates 200 arranged side by side, and each elastic drainage plate 200 is provided with filter bags 100 on both sides in the thickness direction. The filter pressing process of the filter press provided by the present application containing the elastic drainage plate 200 is as follows: first, control the pressure source such as oil cylinder to press each elastic drainage plate 200, so that each elastic drainage plate 200 is preliminarily attached, at this time, the elastic sealing member 220 presses the opening side of the filter bag 100, so as to close the discharge port 110 of the filter bag 100, and the inside of the filter bag 100 forms a relatively closed space; then, a target amount of slurry is injected into the filter bag 100 through the inlet 120; then, the pressure source such as oil cylinder is controlled to push each elastic drainage plate 200 again, so that the elastic drainage plate 200 compresses the internal space of the filter bag 100, in this process, the water in the slurry is separated out through the filter bag 100, and the solid substances in the slurry form filter cake. It should be noted that for the filter bag 100 arranged between two adjacent elastic drainage plates 200, the opening side of the filter bag 100 is clamped between the elastic sealing members 220 of the two elastic drainage plates 200; for the filter bag 100 arranged between the elastic drainage plate 200 and the pressing plate, the opening side of the filter bag 100 is clamped between the elastic sealing member 220 of the elastic drainage plate 200 and the pressing plate.

[0043] Compared with the existing elastic drainage plate, the elastic drainage plate 200 provided by the present application has the following advantages:

[0044] 1. In the filter pressing process, there is a filter bag 100 between the elastic sealing members 220 of two adjacent elastic drainage plates 200, so that the coal slime slurry entering the filter bag 100 does not contact the elastic sealing members 220, only the liquid separated from the filter bag 100 contacts the elastic sealing members 220, thereby reducing the wear of the elastic sealing members 220, and the coal slime does not remain on the elastic sealing members 220, which is easy to clean and maintain;

[0045] 2. The elastic sealing member 220 directly contacts the filter bag 100, has a large friction coefficient, is not easy to deviate, and is not easy to appear the phenomenon of misalignment and separation;

[0046] 3. The elastic sealing member 220 only needs to be arranged at the position corresponding to the opening side of the filter bag 100 of the drainage plate main body 210, so that the filter pressing area can be fully utilized, and under the same conditions, the filter pressing area is larger or the overall volume is smaller;

[0047] 4. Combining filtration and sealing functions, for filter presses equipped with filter bags 100, the conventional sealing device for the discharge port 110 of the filter bags 100 can be eliminated. This simplifies the composition and workflow of the filter press. On the other hand, the use of elastic sealing element 220 to press and seal the discharge port 110 can achieve a better sealing effect than the conventional clamping plate structure. Furthermore, during the process of the drainage plate body 210 squeezing the filter bag 100, the deformation of the filter cake can be absorbed by the deformation of the elastic element itself, reducing the squeezing force on the opening side of the filter bag 100 after the filter cake is deformed.

[0048] Optionally, the elastic sealing element 220 can be made of elastic materials such as polyurethane and rubber, or other elastic materials. The cross-sectional profile of the elastic sealing element 220 can be polygonal (e.g., triangle, quadrilateral, pentagon, etc.), circular, elliptical, etc. Furthermore, the elastic sealing element 220 can be a regular prism, cylinder, or irregular columnar structure. The shape of the elastic sealing element 220 can be flexibly adjusted and is not limited here.

[0049] In some embodiments, the drainage board body 210 is provided with a mounting structure for mounting the filter bag 100, and the filter bag 100 can be directly mounted on the drainage board body 210. (Refer to...) Figure 4 In this embodiment, the mounting structure includes a filter bag support rod 260 and a hanging rod 270, wherein: the filter bag support rod 260 is disposed at the upper end of the drainage plate body 210; the hanging rod 270 is fixedly disposed on the filter bag support rod 260; a hanging strap 130 is disposed at the upper end of the filter bag 100, and the filter bag 100 is hung on the hanging rod 270 through the hanging strap 130. Optionally, one or more filter bags 100 can be hung on the same hanging rod 270. In other embodiments, the mounting structure may also be a snap-fit ​​or threaded hole disposed on the drainage plate body 210, and the filter bag 100 is installed on the drainage plate body 210 by means of screw connection or snap-fit ​​connection, etc. By providing an mounting structure on the drainage plate body 210, the original frame used for installing the filter bag 100 can be eliminated, thereby simplifying the structure of the filter press.

[0050] Reference Figure 5 In this embodiment, the drainage plate body 210 and the filter bag support rod 260 are detachably connected, which facilitates the removal of the filter bag 100. Specifically, a shaft 280 is fixedly provided on each opposite side of the drainage plate body 210, and a sleeve 290 is fixedly provided at each end of the filter bag support rod 260, with the sleeves 290 correspondingly fitted onto the shafts 280. When it is necessary to remove the filter bag 100, simply lift the filter bag support rod 260 relative to the drainage plate body 210. In addition, the drainage plate body 210 and the filter bag support rod 260 can also be connected by screws, welding, or other methods.

[0051] ReferenceFigure 5 In some embodiments, the elastic sealing member 220 is arranged at one side edge of the filter pressing surface, so that the filter pressing surface can filter the slurry in the filter bag 100 except the area of the elastic sealing member 220, thereby fully utilizing the filter pressing area.

[0052] Referring to Figure 6 In some embodiments, the drainage plate body 210 and the elastic sealing member 220 are embeddedly connected. In this embodiment, the filter pressing surface is provided with a dovetail groove 211, and the elastic sealing member 220 is provided with a limiting block 221 matched with the shape of the dovetail groove 211, and the limiting block 221 is embedded in the dovetail groove 211. Of course, the elastic sealing member 220 can also be provided with a dovetail groove, and the filter pressing surface can be provided with a limiting block matched with the shape of the dovetail groove, and the limiting block is embedded in the dovetail groove. In other embodiments, the elastic sealing member 220 can also be installed on the drainage plate body 210 by screws or other fasteners.

[0053] In some embodiments, referring to Figure 7 , the filter pressing surface is covered with a screen 240, which can be a metal mesh such as a steel wire mesh or a non-metal mesh. In other embodiments, referring to Figure 8 , the filter pressing surface is provided with a plurality of protrusions. The screen 240 and the plurality of protrusions are arranged to form flow channels on the filter pressing surface to facilitate drainage. Compared with the drainage mode of arranging a plurality of protrusions on the filter pressing surface, the drainage mode of covering the filter pressing surface with the screen 240 can reduce the processing difficulty, and the screen 240 can be disassembled and replaced, solving the problem of wear of the protrusions.

[0054] In some embodiments, referring to Figures 8 to 9 , the elastic drainage plate 200 further comprises at least one separation strip 230 arranged on the filter pressing surface, and the separation strip 230 separates the filter pressing surface into at least two filter pressing areas. In the process of compressing the internal space of the filter bag 100 by the elastic drainage plate 200, the separation strip 230 separates the internal space of the filter bag 100 into at least two filter pressing spaces, and the thickness of the junction position of the adjacent two filter pressing spaces is less than the thickness of the center position of each filter pressing space, thereby pressing at least one groove on the finally formed filter cake. The groove on the filter cake becomes a breaking weak point of the filter cake, making the filter cake more easily broken, thereby reducing the difficulty of unloading and facilitating the filter cake to fall off from the filter bag 100.

[0055] Optionally, the number of the separation strips 230 is one or more, and the number of the separation strips 230 can be adjusted according to actual conditions (for example, the volume of the filter cake); as shown in Figure 8 and Figure 9 , when the number of the separation strips 230 is one, the separation strip 230 separates the filter pressing surface into two filter pressing areas, thereby pressing one groove on the finally formed filter cake; as shown in Figure 9 , when the number of the separation strips 230 is two, the two separation strips 230 separate the filter pressing surface into three filter pressing areas, thereby pressing two grooves on the finally formed filter cake.As shown, when the number of the partition strips 230 is two, the partition strips 230 divide the filter pressing surface into three filter pressing areas, so as to press two grooves on the finally formed filter cake. When the number of the partition strips 230 is multiple, the multiple partition strips 230 can be arranged in the form of stripes, grids, radiations, intersections, etc., and the multiple partition strips 230 can be of a split structure or of an integrally formed structure. The cross-sectional profile of the partition strip 230 can be polygonal (such as triangular, quadrangular, pentagonal, etc.), circular, elliptical, etc., in addition, the partition strip 230 can be of a regular prism, a circular cylinder, etc., or of an irregular columnar structure. The number, shape and arrangement mode of the partition strip 230 can be flexibly adjusted, which are not limited herein.

[0056] In some embodiments, the drainage plate body 210 and the partition strip 230 are embeddedly connected, and the specific structure can be the same as the connection structure of the drainage plate body 210 and the elastic sealing member 220. In other embodiments, the partition strip 230 can also be installed on the drainage plate body 210 through a screw or other fastener.

[0057] Optionally, the partition strip 230 and the elastic sealing member 220 are embeddedly connected; and / or, the elastic sealing member 220 and the partition strip 230 are perpendicular to each other. For details, refer to Figure 8 , Figure 8 In the embodiment shown, the partition strip 230 and the elastic sealing member 220 are in inverted T-shaped distribution, and the lower end of the partition strip 230 is inserted into the slot in the middle of the elastic sealing member 220, so that the relative positions of the drainage plate body 210, the partition strip 230 and the elastic sealing member 220 are limited, avoiding displacement or shaking of the partition strip 230 and the elastic sealing member 220 relative to the drainage plate body 210.

[0058] In some embodiments, the partition strip 230 is an elastic member, and the material of the partition strip 230 can include polyurethane, rubber and other elastic materials. The elastic body stiffness coefficient of the partition strip 230 is much smaller than that of the filter bag 100, and in the filter pressing process, the partition strip 230 can absorb most of the filter cake deformation amount through its own deformation, reducing the extrusion of the filter cake on the periphery of the filter bag 100 after deformation; at the same time, the partition strip 230 can make the gap between the two adjacent drainage plate bodies 210 smaller through its own compression deformation, thereby improving the filter pressing effect and making the water content of the finally formed filter cake lower. Of course, the material of the partition strip 230 can also be a rigid material, which can also achieve the technical effect of pressing grooves on the filter cake.

[0059] In some embodiments, the partition strip 230 is provided with a flow guide groove 231 or a flow guide hole, which is communicated between the filter pressing areas located on both sides of the partition strip 230, for facilitating the flow of filtrate and reducing the load during the filter pressing process. The number of flow guide grooves 231 or flow guide holes can be one or more.

[0060] It should be noted that the structure of the partition strip 230 provided on the drainage plate body 210 is not only applicable to the filter press, but also applicable to most types of filter presses such as plate-and-frame, chamber, diaphragm, etc.

[0061] In some embodiments, the elastic drainage plate 200 further comprises two handles 250 symmetrically provided on both sides of the drainage plate body 210. The two handles 250 are mainly used to support the weight of the elastic drainage plate 200, and enable the elastic drainage plate 200 to slide on the rack rail of the filter press.

[0062] The second aspect embodiment of the present application provides a filter press, which comprises a plurality of filter bags 100 and a plurality of elastic drainage plates 200 according to any one of the above embodiments, and one or more filter bags 100 are arranged between adjacent elastic drainage plates 200. The structures of the filter bag 100 and the elastic drainage plate 200 are as described above, and will not be repeated here. Since the elastic drainage plate 200 provided by the present application has both filter pressing and sealing functions, the filter press can abandon the conventional sealing device, which on the one hand simplifies the composition structure and working process of the filter press, and on the other hand, the elastic sealing member 220 is used to press and close the discharge port 110, which can make the sealing effect of the discharge port 110 better than the clamping plate structure, and also can absorb the deformation amount of the filter cake by deforming the elastic member itself during the process of the drainage plate body 210 extruding the filter bag 100, thereby reducing the extrusion force on the opening side of the filter bag 100 after the deformation of the filter cake.

[0063] In the case of conforming to the technical principles and purposes of the present application, the embodiments of the present application can be combined arbitrarily, and the technical solutions derived therefrom are also within the protection scope of the present application.

[0064] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An elastomeric wick characterized in that, The application is suitable for a filter press, which comprises an elastic drainage plate and a filter bag (100), at least one side of the elastic drainage plate in the thickness direction is provided with the filter bag (100), one side of the filter bag (100) is open to form a discharge port (110), the elastic drainage plate comprises a drainage plate body (210), the surface of the drainage plate body (210) towards the filter bag (100) is a filter pressing surface, the filter pressing surface is provided with an elastic sealing piece (220), and the elastic sealing piece (220) is used for pressing the open side of the filter bag (100) to close the discharge port (110) of the filter bag (100).

2. The resilient weeping tile according to claim 1, wherein, The filter pressing surface is covered with a screen (240) or is provided with a plurality of protrusions; And / or, the drainage plate body (210) is provided with a mounting structure for mounting the filter bag (100); And / or, the drainage plate body (210) and the elastic sealing piece (220) are embeddedly connected.

3. The resilient weeping tile of claim 1, wherein, Further comprising at least one separation strip (230) provided on the filter pressing surface, the separation strip (230) separates the filter pressing surface into at least two filter pressing areas.

4. The resilient weeping tile according to claim 3, wherein, The separation strip (230) is an elastic piece; And / or, the material of the separation strip (230) comprises polyurethane and rubber.

5. The resilient weeping tile of claim 2, wherein, The mounting structure is movably provided on the drainage plate body (210) and comprises a filter bag supporting rod (260) and a hanging rod (270), wherein the filter bag supporting rod (260) is provided on the upper end of the drainage plate body (210), the hanging rod (270) is fixedly provided on the filter bag supporting rod (260), and the filter bag (100) is hung on the hanging rod (270).

6. The resilient weeping tile of claim 3, wherein, The separation strip (230) is provided with a flow guide groove (231) or a flow guide hole, and the flow guide groove (231) or the flow guide hole is in communication between the filter pressing areas on both sides of the separation strip (230).

7. The resilient drain board of claim 3 wherein, The drainage plate body (210) and the separation strip (230) are embeddedly connected; And / or, the separation strip (230) and the elastic sealing piece (220) are embeddedly connected; And / or, the elastic sealing piece (220) is provided on one side edge of the filter pressing surface, and the elastic sealing piece (220) and the separation strip (230) are perpendicular to each other.

8. The resilient weeping tile of claim 1, wherein, The filter pressing surface is provided with a dovetail groove, the elastic sealing piece (220) is provided with a limiting block matched with the shape of the dovetail groove, and the limiting block is embedded in the dovetail groove; Or, the elastic sealing piece (220) is provided with a dovetail groove, and the filter pressing surface is provided with a limiting block matched with the shape of the dovetail groove, and the limiting block is embedded in the dovetail groove.

9. The resilient weeping tile of claim 1, wherein, Further comprising two handles (250) symmetrically provided on both sides of the drainage plate body (210).

10. A filter press, characterized in that The application further comprises a plurality of filter bags (100) and a plurality of elastic drainage plates according to any one of claims 1 to 9, and one or more filter bags (100) are arranged between adjacent elastic drainage plates.

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