Jet cleaning device for feeding branch channel in filter chamber of filter press

Abstract

The utility model discloses a jet cleaning device for a feed branch channel in a filter chamber of a filter press, which comprises a filter plate outer frame, a filter plate is arranged in the filter plate outer frame, a feed main channel outside the filter chamber is arranged on the filter plate outer frame, and a feed branch channel connected with the feed main channel outside the filter chamber is arranged in the filter plate. A cleaning spray pipe extending into the feeding main channel outside the filter chamber is arranged on the filter plate outer frame, and a nozzle of the cleaning spray pipe faces the feeding branch channel. The filter press disclosed by the utility model has the beneficial effects that the cleaning spray pipe capable of spraying high-pressure cleaning liquid is arranged, so that dredging and cleaning operation is started after the filter press is closed and before the filter press starts to work, and blockage such as residual filter cakes blocked in the feeding branch channel is cleaned and dredged by using high-pressure spraying cleaning water; the smoothness of a feeding branch channel during feeding is ensured, the conditions of process failure, filter plate damage and the like caused by bias pressure of a filter chamber are reduced, and hidden dangers are cleared away for subsequent work.

Description

Technical Field

[0001] This utility model relates to the field of filter press equipment technology, and in particular to a spray cleaning device for the feed branch channel inside the filter press, which has a common feed channel outside the filter chamber to a feed branch channel inside the filter chamber for diverting feed. Background Technology

[0002] Common plate and frame filter presses, single-inlet double-chamber filter presses, etc., have a common feed channel outside the filter chambers on the filter plate. During operation, the slurry is transported to the feed plate or feed frame through this channel. Then, the slurry in the main channel is guided to each filter chamber through the feed branch channel on the feed plate or feed frame. After the slurry enters the sealed filter chamber, under the pressure of the slurry, the liquid in the slurry penetrates the filter medium (filter cloth, filter paper, etc.), while the solid is trapped in the filter chamber and gradually accumulates into a cake shape, thus achieving the purpose of solid-liquid separation.

[0003] After the filter press with the above structure is finished feeding, cleaning water or compressed air is introduced through the main channel to clean the slurry adhering to the channel. However, it is difficult to effectively clean the slurry adhering to the feed branch channels. As a result, when feeding again after solid-liquid separation, some branch channels are blocked while others remain open. This can easily cause uneven pressure in the filter chambers of the filter press during subsequent feeding, often resulting in damage to the filter plates. It is necessary to stop the machine immediately for inspection and replacement of damaged parts. Even if the filter plates are not damaged temporarily, insufficient feeding or no feeding at all in some filter chambers during the working cycle can still lead to failure in subsequent process operations. Utility Model Content

[0004] The purpose of this invention is to provide a spray cleaning device for the feed channel in the filter chamber of a filter press, which solves the problem of existing filter presses having difficulty cleaning the slurry adhering to the feed channel in the filter chamber.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A spray cleaning device for the feed branch channel inside the filter chamber of a filter press includes a filter plate outer frame, a filter plate inside the filter plate outer frame, a main feed channel outside the filter chamber on the filter plate outer frame, a feed branch channel inside the filter plate that connects to the main feed channel outside the filter chamber, and a cleaning spray pipe extending into the main feed channel outside the filter chamber on the filter plate outer frame, with the nozzle of the cleaning spray pipe facing the inlet of the feed branch channel.

[0007] Furthermore, both sides of the filter plate outer frame are provided with a distribution plate outer frame, and a feeding distribution plate is provided inside the distribution plate outer frame. The feeding distribution plate and the filter plate form a filter chamber inside the filter. The filter plate is provided with a filter chamber outlet, and the filter chamber outlet is connected to the feeding branch channel and the filter chamber inside the filter.

[0008] Furthermore, filter cloth is provided on both sides of the filter plate and the feed distribution plate, and drainage support filter beans adapted to the filter cloth are also provided on the filter plate and the feed distribution plate.

[0009] Furthermore, the filter plate outer frame is provided with an outer ear, the outer ear is provided with the main feed channel outside the filter, and the outer ear is provided with a cleaning spray pipe extending into the main feed channel outside the filter.

[0010] Furthermore, the cleaning nozzle includes an outer tube and a conical inner tube. The end of the outer tube is connected to an external water supply hose via a connecting pipe. The nozzles of the outer tube and the conical inner tube face the feed branch channel.

[0011] Furthermore, the conical inner tube is connected to the inner wall of the outer tube via a connecting piece, the outer tube is threadedly connected to the connecting pipe, the inlet end of the conical inner tube has a water passage gap with the inner wall of the outer tube, and the small end of the conical inner tube is located inside the outer tube.

[0012] This utility model has the following advantages:

[0013] The cleaning nozzles, equipped with high-pressure cleaning fluid, will be activated for unblocking and cleaning operations after each filter press closure and before the start of operation. High-pressure spray cleaning water will be used to clear and unclog the residual filter cake and other blockages in the feed branch channel, ensuring smooth feed during operation. This reduces the occurrence of process failures and filter plate damage caused by filter chamber bias pressure, thus eliminating potential hazards for subsequent operations. Attached Figure Description

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] Figure 2 This is a schematic diagram of the cleaning nozzle.

[0016] Figure 3 This is a schematic diagram of the structure where the main feed channel outside the filter is located on the outer ear.

[0017] In the diagram, 1-Filter plate outer frame, 2-Filter plate, 3-Main feed channel outside the filter, 4-Feed branch channel, 5-Cleaning spray pipe, 6-Plate outer frame, 7-Feed plate, 8-Filter chamber inside the filter, 9-Discharge port inside the filter, 10-Filter cloth, 11-Drainage support filter bean, 12-Outer pipe, 13-Conical inner pipe, 14-Connecting pipe, 15-Water supply hose, 16-Connecting piece, 17-Outer ear. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive modifications are within the scope of protection of the present invention.

[0020] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0021] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] refer to Figure 1As shown in Figure 2, one embodiment of this utility model is as follows:

[0025] A spray cleaning device for the feed branch channel inside the filter chamber of a filter press includes a filter plate outer frame 1, a filter plate 2 inside the filter plate outer frame 1, a main feed channel 3 outside the filter chamber on the filter plate outer frame 1, a feed branch channel 4 inside the filter plate 2 that connects to the main feed channel 3 outside the filter chamber, and a cleaning spray pipe 5 extending into the main feed channel 3 outside the filter chamber on the filter plate outer frame 1, with the nozzle of the cleaning spray pipe 5 facing the inlet of the feed branch channel 4.

[0026] A cleaning nozzle 5 capable of spraying high-pressure cleaning water is installed at the position of each feed branch channel 4 in the filter press. The unblocking and cleaning operation will be started after each filter press is closed and before it starts working. The high-pressure spray cleaning water will be used to clean and unblock the residual filter cake and other blockages in the feed branch channel 4, ensuring the smooth flow of the feed branch channel during the working feeding, reducing the occurrence of process failures and damage to the filter plates caused by the bias pressure in the filter chamber, and eliminating potential hazards for subsequent work.

[0027] Specifically, the filter plate outer frame 1 is provided with a distribution plate outer frame 6 on both sides, and a feeding distribution plate 7 is provided inside the distribution plate outer frame 6. The feeding distribution plate 7 and the filter plate 2 form a filter chamber 8 inside the filter chamber. The filter plate 2 is provided with a filter chamber outlet 9 inside the filter chamber. The filter chamber outlet 9 inside the filter chamber is connected to the feeding branch channel 4 and the filter chamber 8 inside the filter chamber.

[0028] Both sides of the filter plate 2 and the feed distribution plate 7 are provided with filter cloth 10, and the filter plate 2 and the feed distribution plate 7 are also provided with drainage support filter beans 11 adapted to the filter cloth 10.

[0029] For filter presses with external lugs, since the main feed channel outside the filter is located on the external lugs, such as Figure 3 As shown. Therefore, in another embodiment, the filter plate outer frame 1 is provided with an outer ear 17, the outer ear 17 is provided with the main feed channel 3 outside the filter, and the outer ear 17 is provided with the cleaning spray pipe 5 extending into the main feed channel 3 outside the filter.

[0030] Furthermore, the cleaning nozzle 5 includes an outer pipe 12 and a conical inner pipe 13. The end of the outer pipe 12 is connected to an external water supply hose 15 via a connecting pipe 14. The nozzles of the outer pipe 12 and the conical inner pipe 13 face the feed branch channel 4.

[0031] Through the structural design of the outer tube 12 and the conical inner tube 13, the high-pressure jet water can be sprayed to the position near the outlet 9 in the filter chamber, which can clean efficiently and thoroughly, and at the same time wash away the slurry adhering to the outlet 9 in the filter chamber.

[0032] The conical inner tube 13 is connected to the inner wall of the outer tube 12 via a connecting piece 16. The outer tube 12 is threadedly connected to the connecting pipe 14. The inlet end of the conical inner tube 13 has a water passage gap with the inner wall of the outer tube 12. The small end of the conical inner tube 13 is located inside the outer tube 12.

[0033] By placing the small end of the conical inner tube 13 at a certain distance inside the outer tube 12, the slurry adhering to the nozzle can be quickly washed off in the initial stage of rinsing, thus improving cleaning efficiency.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A spray cleaning device for the feed channel inside the filter chamber of a filter press, characterized in that: The filter includes a filter plate frame, a filter plate is provided inside the filter plate frame, a main feed channel outside the filter is provided on the filter plate frame, a feed branch channel connected to the main feed channel outside the filter is provided inside the filter plate, and a cleaning spray pipe extending into the main feed channel outside the filter is provided on the filter plate frame, with the nozzle of the cleaning spray pipe facing the inlet of the feed branch channel.

2. The jet cleaning device for the feed channel in the filter chamber of a filter press according to claim 1, characterized in that: Both sides of the filter plate outer frame are provided with a distribution plate outer frame, and a feeding distribution plate is provided inside the distribution plate outer frame. The feeding distribution plate and the filter plate form a filter chamber inside the filter. The filter plate is provided with a filter chamber outlet, which is connected to the feeding branch channel and the filter chamber inside the filter.

3. The jet cleaning device for the feed channel in the filter chamber of a filter press according to claim 2, characterized in that: Both sides of the filter plate and the feed distribution plate are provided with filter cloth, and the filter plate and the feed distribution plate are also provided with drainage support filter beans adapted to the filter cloth.

4. The jet cleaning device for the feed channel in the filter chamber of a filter press according to claim 1, characterized in that: The filter plate has an outer ear on its outer frame, and the outer ear has a main feed channel outside the filter. The outer ear also has a cleaning spray pipe that extends into the main feed channel outside the filter.

5. The jet cleaning device for the feed channel in the filter chamber of a filter press according to any one of claims 1-4, characterized in that: The cleaning nozzle includes an outer tube and a conical inner tube. The end of the outer tube is connected to an external water supply hose via a connecting pipe. The nozzles of the outer tube and the conical inner tube face the feed channel.

6. The jet cleaning device for the feed channel in the filter chamber of a filter press according to claim 5, characterized in that: The conical inner tube is connected to the inner wall of the outer tube via a connecting piece. The outer tube is threadedly connected to the connecting pipe. The inlet end of the conical inner tube has a water passage gap with the inner wall of the outer tube. The small end of the conical inner tube is located inside the outer tube.

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