Multifunctional cloth pressing assembly

Abstract

The utility model relates to a multifunctional cloth pressing assembly, which belongs to the field of filter presses and comprises two cloth pressing devices, the two cloth pressing devices can be respectively positioned at two ends of a single-plate feeding hole of a filter plate through screws, and a feeding channel is enclosed by the two cloth pressing devices and the single-plate feeding hole; the cloth pressing device comprises a main body, an annular positioning spigot is formed in the inner side, facing the feeding channel, of the main body, the outer side, deviating from the feeding channel, of the main body is arched to form a convex cover, a plurality of discharging ports communicated with the feeding channel are formed in the circumferential side portion of the convex cover, and the forming direction of the discharging ports is parallel to or tends to be parallel to the filter plate. The multifunctional cloth pressing assembly has the advantages that the structure is simple, the filter cloth can be pressed, and the filter cloth can be prevented from being impacted and the discharge port can be prevented from being blocked during feeding.

Description

Technical Field

[0001] The utility model relates to the field of filter presses, in particular to a multifunctional cloth pressing component. Background Art

[0002] Filter press is a device that realizes solid-liquid separation. Its working process includes pressing, maintaining pressure, feeding, pressing, backflushing, loosening, pulling plates and unloading.

[0003] The filter plate is the main component of the filter press. The two sides of the filter plate are covered with filter cloth, and the filter cloths on adjacent filter plates surround the filter chamber. The middle area of ​​the filter plate is a chamber, and the four sides of the chamber are frames. The corners of the frame of the filter plate are penetrated with a main feed hole, and the corners of the chamber of the filter plate are penetrated with a single plate feed hole. The main feed hole and the single plate feed hole are connected through the connection hole opened inside the filter plate, and the filter cloth has a filter cloth feed hole at the position corresponding to the single plate feed hole. When assembling two filter cloths on the two side surfaces of the filter plate, the filter cloth needs to be attached to the surface of the filter plate, and the filter cloth feed hole and the single plate feed hole are connected by using a cloth pressing assembly, so that the filter cloth around the filter cloth feed hole is tightly attached to the filter plate surface around the single plate feed hole. In this way, a feed channel connected to the filter chamber is formed by the cooperation of the cloth pressing assembly, the single plate feed hole, and the filter cloth feed hole. During operation, the material flows through the main feed hole, the connecting hole, and the feed channel in sequence into the filter chamber, and then passes through the filter cloth to leave the filter chamber. In the process of passing through the filter cloth, the entrained solid matter is separated and remains in the filter chamber to form a filter cake, thus achieving solid-liquid separation.

[0004] The patent with announcement number CN218421233U discloses a single-plate feed filter plate combination unit with built-in double feed, and the cloth pressing assembly involved includes two cloth pressing rings and screws, wherein the feeding cavity on the inner wall of the cloth pressing ring is connected to the central tube by a number of ribs, and the central opening of the central tube is used to install screws to connect the front and rear cloth pressing rings. Although the above structure can be used for fixing the filter cloth, it still has the following shortcomings: First, when the material enters the filter chamber, it directly impacts the filter cloth on the adjacent filter plate, causing damage to the filter cloth, reducing its service life, and frequently replacing the filter cloth reduces production efficiency. Second, since the slurry outlet of this type of single-chamber feeding model is arranged along the channel direction, when the slurry concentration is high and the viscosity is high, the slurry will first rush to the opposite filter plate and then fall down, and it is easy to form a filter cake first near the slurry outlet, and then gradually block the slurry outlet, resulting in difficulty in feeding and affecting production efficiency. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, the utility model provides a multifunctional cloth pressing component, which solves or alleviates the problems existing in the prior art.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A multifunctional cloth pressing assembly comprises two cloth pressing devices, which can be respectively positioned at two ends of a single plate feed hole of a filter plate by screws to enclose a feed channel with the single plate feed hole;

[0008] The cloth presser includes a main body, which has an annular positioning stop formed on the inner side of the main body facing the feed channel, and the outer side of the main body is arched away from the feed channel to form a convex cover, and the circumferential side of the convex cover is provided with a plurality of discharge ports connected to the feed channel, and the opening direction of the discharge ports is parallel or nearly parallel to the filter plate.

[0009] Preferably, among the two cloth pressers, a countersunk hole cooperating with a screw is provided in the middle of the convex cover of one, and a threaded hole cooperating with a screw is provided in the middle of the convex cover of the other.

[0010] Preferably, a cylindrical boss is further provided on the inner side of the convex cover facing the feed channel, and the countersunk hole and the threaded hole are respectively arranged through the cylindrical boss.

[0011] Preferably, the outer side of the circumferential side of the convex cover is a conical surface, and the diameter of the conical surface decreases in the direction away from the feed channel.

[0012] Preferably, the position of the discharge port on the convex cover is away from the connecting hole of the filter plate.

[0013] The utility model adopts the above technical solution, and has the advantages of:

[0014] 1. The multifunctional cloth pressing assembly has the characteristics of simple structure and the ability to press the filter cloth tightly.

[0015] 2. The multifunctional cloth pressing assembly, by planning the position and direction of the discharge port, can, firstly, avoid direct impact of the slurry on the filter cloth when entering the filter chamber, thereby avoiding greater impact damage to the filter cloth, which is beneficial to increasing the service life of the filter cloth; secondly, when the slurry enters the filter chamber from the discharge port, the slurry will fall directly to the bottom of the filter chamber under the action of gravity, avoiding the formation of filter cakes near the discharge port first, so that the discharge port will not be gradually blocked as the material is fed, thereby ensuring smooth subsequent feeding and thus ensuring higher production efficiency.

[0016] 3. The multifunctional cloth pressing component designs the convex cover into a conical structure, which not only saves materials, but also reduces the resistance during demoulding and facilitates injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front structure of the installation of the cloth pressing assembly;

[0018] Figure 2 It is a schematic diagram of the installation cross-sectional structure of the cloth pressing assembly;

[0019] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 4 for Figure 3 The structural schematic diagram of the two cloth pressers;

[0021] Figure 5 is a schematic diagram of the three-dimensional structure of one of the cloth pressers;

[0022] Figure 6 for Figure 5 Schematic diagram of the structure from another angle.

[0023] In the figure, 1, cloth presser, 2, screw, 3, feed channel, 4, box-type matching plate, 5, diaphragm plate, 6, filter chamber; 101, main body, 102, positioning stop, 103, convex cover, 104, discharge port, 105, countersunk hole, 106, threaded hole, 107, cylindrical boss; 401, main feed hole, 402, connecting hole. DETAILED DESCRIPTION

[0024] In order to clearly illustrate the technical features of the present solution, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings. In the description of this specification, the description of reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] like Figure 1-6 As shown, in this embodiment, the multifunctional cloth pressing assembly includes two cloth pressers 1. When in use, the two cloth pressers 1 can be positioned at both ends of the single plate feed hole of the filter plate by screws 2, so as to surround the feed channel 3 with the single plate feed hole. The cloth presser 1 includes a main body 101, and the main body 101 is formed with an annular positioning stop 102 on the inner side facing the feed channel 3, and the positioning stop 102 can be embedded and fit in the single plate feed hole. The main body 101 is arched away from the outer side of the feed channel 3 to form a convex cover 103, and the circumferential side of the convex cover 103 is provided with a plurality of discharge ports 104 connected to the feed channel 3, and the opening direction of the discharge port 104 is parallel or tending to be parallel to the filter plate.

[0026] In one embodiment, if Figure 4 As shown, among the two cloth pressers 1, a countersunk hole 105 cooperating with a screw is opened in the middle of the convex cover 103 of one, and a threaded hole 106 cooperating with the screw 2 is opened in the middle of the convex cover 103 of the other.

[0027] In one embodiment, if Figure 4 As shown, in order to make the connection more stable, a cylindrical boss 107 is further provided on the inner side of the convex cover 103 facing the feed channel 3, and the countersunk hole 105 and the threaded hole 106 are respectively provided through the cylindrical boss 107.

[0028] In one embodiment, if Figure 6 As shown, the outer side of the circumferential side of the convex cover 103 is a conical surface, and the diameter of the conical surface decreases in the direction away from the feed channel. The discharge port is opened on the conical surface, and two discharge ports can be opened. In particular, the convex cover is designed as a conical surface structure, which can not only save materials, but also reduce the resistance during demoulding, making it easy to perform injection molding.

[0029] An example of application of the multifunctional cloth pressing assembly is as follows: Figure 1-2 As shown, the filter plate of the filter press is formed by alternating the two filter plates of the box-type matching plate 4 and the diaphragm plate 5. The filter cloths on the surfaces of the adjacent box-type matching plates 4 and the diaphragm plates 5 jointly surround the filter chamber 6, and the cloth pressing assembly is specifically installed at both ends of the single plate feed hole on the box-type matching plate 4. The two cloth pressers are connected by screws 2. In particular, the discharge port of the cloth presser is installed away from the connection hole of the box-type matching plate. Among them, there is no feed channel on the diaphragm plate, and it is not necessary to install the cloth pressing assembly.

[0030] When feeding the filter press, the slurry first flows through the main feed hole 401 of the box-type matching plate 4, then enters the feed channel 3 through the connecting hole 402 thereon, and then enters the filter chamber 6 through the discharge port on the convex cover 103. Since the opening direction of the discharge port 104 is parallel to the plate surface of the box-type matching plate 4, the slurry has little impact on the filter cloth when entering the filter chamber 6, which can avoid damaging the filter cloth as much as possible, and the filter cloth is replaced less frequently, which helps to ensure higher production efficiency. In addition, because the discharge port is installed away from the connecting hole of the box-type matching plate, the slurry will fall directly to the bottom of the filter chamber under the action of gravity when entering the filter chamber, avoiding the situation where a filter cake is first formed near the discharge port. In this way, the discharge port will not be gradually blocked with the feeding, which can ensure smooth subsequent feeding and thus ensure higher production efficiency.

[0031] The above-mentioned specific implementation manner cannot be used as a limitation on the protection scope of the present utility model. For those skilled in the art, any replacement, improvement or change made to the implementation manner of the present utility model falls within the protection scope of the present utility model.

[0032] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A multifunctional cloth pressing assembly, characterized in that: It includes two cloth pressers, which can be respectively positioned at two ends of the single plate feed hole of the filter plate by screws to enclose a feed channel with the single plate feed hole; The cloth presser includes a main body, which has an annular positioning stop formed on the inner side of the main body facing the feed channel, and the outer side of the main body is arched away from the feed channel to form a convex cover, and the circumferential side of the convex cover is provided with a plurality of discharge ports connected to the feed channel, and the opening direction of the discharge ports is parallel or nearly parallel to the filter plate.

2. The multifunctional cloth pressing assembly according to claim 1, characterized in that: Among the two cloth pressers, a countersunk hole matched with a screw is provided in the middle of a convex cover of one, and a threaded hole matched with a screw is provided in the middle of a convex cover of the other.

3. The multifunctional cloth pressing assembly according to claim 2, characterized in that: The inner side of the convex cover facing the feed channel is also provided with a cylindrical boss, and the countersunk hole and the threaded hole are respectively arranged through the cylindrical boss.

4. The multifunctional cloth pressing assembly according to claim 1, characterized in that: The outer surface of the circumferential side of the convex cover is a conical surface, and the diameter of the conical surface decreases toward the direction away from the feed channel.

5. The multifunctional cloth pressing assembly according to claim 1, characterized in that: The position of the discharge port on the convex cover is away from the connecting hole of the filter plate.

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