Filtrate discharging device for mineral separation filter press equipment and use method of filtrate discharging device

Abstract

The invention relates to the technical field of filter presses, in particular to a filtrate discharging device for beneficiation filter press equipment and a using method. Filtrate slag accumulated in a filtrate discharging pipe is cleaned in time mainly through an arranged liquid discharging auxiliary mechanism; the device has a corresponding collection function on the removed sediment materials; filtrate generated in the filter press is discharged through a filtrate discharging pipe and falls into a filtrate collecting tank through a spraying pipe head, and materials adhered and deposited on the inner side wall of the filtrate discharging pipe are scraped and cleaned through an arranged cleaning auxiliary assembly, namely, a scraping ring body is pushed through a telescopic control rod to perform cleaning work; after the adhered and deposited materials are removed, the clean materials are taken away through the flowing filtrate; when the telescopic control rod drives the scraping ring body to return and reset, the materials adhered and deposited on the inner side wall of the filtrate discharge pipe can be scraped and cleaned in the process, and the arranged filtering and collecting assembly has a filtering and collecting effect on the scraped deposited materials.

Description

Technical Field

[0001] The invention relates to the technical field of filter presses, and in particular to a filtrate discharging device for ore dressing filter press equipment and a use method thereof. Background Art

[0002] The existing document with announcement number CN220877868U discloses a plate and frame filter press for mineral processing, which includes a bracket, a driving device is installed on the top of the outer surface of the bracket, a first motor is arranged on the top of the outer surface of the driving device, a transmission device is arranged on one side of the outer surface of the bracket, a water tank is fixedly connected to one side of the outer surface of the bracket, a filtering and cleaning structure is arranged on the top of the outer surface of the water tank, and a control box is installed on the top of the outer surface of the bracket. Through the action of the filtering and cleaning structure, filtering operation can be performed on the surface of the water tank, thereby avoiding the presence of debris falling into the water tank, which leads to the problem of clogging of the filter press when the inside of the filter press is cleaned by using the water stored in the water tank, thereby causing damage to the filter press. The brush is used to clean the surface of the filter screen, thereby avoiding the problem of clogging of the filter screen caused by debris.

[0003] Under the existing technology, when the filtrate in the filter press is discharged, a small amount of slag in the filtrate cannot be collected and will be discharged with the filtrate. Generally, a corresponding collection device is set at the filtrate discharge port for subsequent centralized treatment. For example, the above scheme is to set a filtering device in the filtrate tank to avoid blockage of the filtrate tank; and a suitable cleaning mechanism is set to clean the filtering device; however, after long-term operation, filtrate slag will also accumulate in the filtrate discharge pipe and cannot be removed in time. On the one hand, the slag cannot be collected in time, resulting in a waste of resources; on the other hand, it will also affect the discharge of the filtrate and even cause blockage; the existing filter press lacks a suitable auxiliary mechanism on its filtrate discharge device to meet its actual working needs.

[0004] To this end, the present invention proposes a filtrate discharging device for a mineral processing filter press and a use method thereof to solve the above-mentioned problems. Summary of the invention

[0005] The object of the present invention is to provide a filtrate discharging device for a mineral processing filter press and a method of using the filtrate discharging device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: a filtrate discharge device for a mineral processing filter press, comprising a filter press body, a filtrate discharge pipe, a filtrate collection tank and a liquid discharge auxiliary mechanism;

[0007] The bottom end of the filter press body is provided with a supporting foot, and the side positions of the filter press body are equidistantly provided with filtrate discharge pipes, and the bottom side positions of the filtrate discharge pipes are provided with a spray pipe head;

[0008] A liquid filter collecting tank is provided below the spray pipe head;

[0009] The filtrate discharge pipe is connected to the liquid discharge auxiliary mechanism.

[0010] Preferably, the liquid discharge auxiliary mechanism includes a connecting pipe head, a clean water delivery branch pipe, a locking cap, a delivery main pipe, a filtering and collecting assembly and a cleaning auxiliary assembly; the connecting pipe head is arranged on the filtrate discharge pipe, and the connecting pipe head and the clean water delivery branch pipe are firmly connected through the locking cap, and the clean water delivery branch pipe is equidistantly arranged on the bottom side of the delivery main pipe.

[0011] Preferably, the filter collection assembly is connected to the end of the filtrate discharge pipe, and the cleaning auxiliary assembly is connected to the filter collection assembly.

[0012] Preferably, the filter collection assembly includes an extension pipe head, a receiving pipe fitting, a docking bottom pipe, an auxiliary connecting pipe fitting, a threaded connecting groove and a filter collection ball shell assembly; the extension pipe head is integrally formed and arranged at the end of the filtrate discharge pipe, and the other end of the extension pipe head is fixedly provided with a connecting flange, one end of the receiving pipe fitting is fixedly provided with a connecting flange, and the other end of the receiving pipe fitting is connected to the cleaning auxiliary assembly, the receiving pipe fitting and the extension pipe head are firmly connected by bolts, and the bottom side of the receiving pipe fitting is connected and provided with a docking bottom pipe.

[0013] Preferably, the outer wall of the bottom end of the docking bottom tube is provided with a thread, and the inner side of the top end of the auxiliary connecting pipe fitting is provided with a threaded connection groove, the threaded connection groove is threadedly connected to the bottom end of the docking bottom tube, and the bottom end of the auxiliary connecting pipe fitting is provided with a filtering and collecting ball shell assembly.

[0014] Preferably, the filtering and collecting spherical shell assembly includes a top mesh shell, a bottom mesh shell, an annular docking screw groove, an externally threaded docking ring body, an auxiliary cone cover and an auxiliary filter hole; the top end of the top mesh shell is fixedly connected to the auxiliary connecting pipe fitting, the port of the bottom mesh shell is provided with an externally threaded docking ring body, and the inner side of the bottom port of the top mesh shell is provided with an annular docking screw groove, and the annular docking screw groove is threadedly connected with the externally threaded docking ring body.

[0015] Preferably, the top mesh shell and the bottom mesh shell are butted together to form a spherical shell, and an auxiliary cone cover is placed in the spherical shell, and auxiliary filtering holes are evenly arranged on the auxiliary cone cover.

[0016] Preferably, the cleaning auxiliary component includes a load-bearing docking plate, a telescopic control rod, a connecting plate and a scraper structure; the load-bearing docking plate is fixedly arranged at one end pipe opening of the receiving tube by screws, and a telescopic control rod is arranged on the load-bearing docking plate, one end of the telescopic control rod is fixedly arranged with a connecting plate, and the connecting plate is connected to the scraper structure.

[0017] Preferably, the scraper structure includes a fixed plate, a support strip, a scraper ring body, a guide groove body, an auxiliary side ring groove, a scraper auxiliary sheet, a first auxiliary hole groove and a second auxiliary hole groove; the fixed plate and the connecting plate are firmly connected by screws, and the side of the fixed plate is equidistantly fixed with a support strip, one end of the support strip is fixedly set on the inner wall of the scraper ring body, the outer wall of the scraper ring body is equidistantly set with a guide groove body, and a scraper auxiliary sheet is set in the middle position of the guide groove body, the auxiliary side ring groove is set at one end of the scraper ring body, and the auxiliary side ring groove is connected with the guide groove body, the scraper auxiliary sheet is set with a first auxiliary hole groove, the scraper ring body is equidistantly set with a second auxiliary hole groove, and one end of the second auxiliary hole groove is connected with the auxiliary side ring groove.

[0018] A method for using a filtrate discharging device for a mineral processing filter press, the method for using is:

[0019] The filtrate discharge pipe discharges the filtrate, and the filtrate falls into the liquid filter collecting tank through the spray pipe head. The materials adhered to and deposited on the inner wall of the filtrate discharge pipe are scraped and cleaned by the cleaning auxiliary component provided, that is, the scraper ring body is pushed by the telescopic control rod to perform cleaning work. After the adhered and deposited materials are removed, the clean materials are taken away by the flowing filtrate; when the telescopic control rod drives the scraper ring body to return and reset, the materials adhered to and deposited on the inner wall of the filtrate discharge pipe are also scraped and cleaned in this process, and the filter collection component provided has a filtering and collecting function for the deposited materials after scraping.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The filtrate discharge device for the mineral processing filter press equipment designed by the present invention mainly cleans the filtrate slag accumulated in the filtrate discharge pipe in time through the set liquid discharge auxiliary mechanism; furthermore, it has a corresponding collection function for the removed sedimentary materials, avoiding waste of resources; the filtrate generated in the filter press is discharged through the filtrate discharge pipe, and falls into the liquid filtration collection tank through the spray pipe head, and the materials adhered and deposited on the inner wall of the filtrate discharge pipe are scraped and cleaned by the set cleaning auxiliary component, that is, the scraper ring body is pushed by the telescopic control rod to perform cleaning work, and after the adhered and deposited materials are removed, the cleaned materials are taken away by the flowing filtrate; when the telescopic control rod drives the scraper ring body to return and reset, the materials adhered and deposited on the inner wall of the filtrate discharge pipe are also scraped and cleaned in this process, and the set filtering and collecting component has a filtering and collecting function for the scraped sedimentary materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure connection of the filter press of the present invention;

[0023] Figure 2 For the present invention Figure 1 A magnified schematic diagram of the structural connection at center A;

[0024] Figure 3 It is an exploded schematic diagram of the connection between the filtrate discharge pipe and the liquid discharge auxiliary mechanism structure of the present invention;

[0025] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the structural connection at B in the middle;

[0026] Figure 5 This is a schematic diagram of the structural connection between the filter collection component and the cleaning auxiliary component of the present invention;

[0027] Figure 6 A top view of the structure connection of the filtering and collecting ball shell assembly of the present invention;

[0028] Figure 7 This is a bottom view of the structure connection of the filtering and collecting ball shell assembly of the present invention;

[0029] Figure 8 This is a schematic diagram of the structural connection of the cleaning auxiliary component of the present invention;

[0030] Fig. 9 For the present invention Figure 8 A magnified schematic diagram of the structural connection at C in the middle;

[0031] Fig.10 This is a schematic diagram of the front side of the scraper structure connection of the present invention;

[0032] Fig.11 For the present invention Fig.10 The enlarged schematic diagram of the structural connection at D in the middle;

[0033] Fig.12 This is a schematic diagram of the scraper structure connection tail side of the present invention;

[0034] Fig.13 For the present invention Fig.12 Enlarged schematic diagram of the structural connection at point E in the middle.

[0035] In the figure: filter press body 1, support foot 2, filtrate discharge pipe 3, liquid filter collection tank 4, spray pipe head 5, liquid outlet auxiliary mechanism connection pipe head 601, clean water delivery branch pipe 602, locking cap 603, delivery main pipe 604, filter collection component extension pipe head 701, receiving pipe fitting 702, docking bottom pipe 703, auxiliary connecting pipe fitting 704, threaded connection groove 705, filter collection ball shell assembly top mesh shell 70601, bottom mesh shell 70602, annular docking screw groove 70603, external thread docking ring body 70604, auxiliary cone cover 70605, auxiliary filter hole 70606, cleaning auxiliary component carrying docking plate 801, telescopic control rod 802, connecting plate 803, scraper structure fixed plate 80401, support strip body 80402, scraper ring body 80403, guide groove body 80404, auxiliary side ring groove 80405, scraper auxiliary plate 80406, first auxiliary hole groove 80407, second auxiliary hole groove 80408. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention are described clearly and completely below. The embodiments of the present invention and all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0037] Example 1: Please refer to Figure 1-Figure 13 A filtrate discharge device for a mineral processing filter press comprises a filter press body 1, a filtrate discharge pipe 3, a liquid filter collecting tank 4 and a liquid discharge auxiliary mechanism; wherein a supporting machine foot 2 is arranged at the bottom end of the filter press body 1, and filtrate discharge pipes 3 are arranged equidistantly at the side positions of the filter press body 1, and a spray pipe head 5 is arranged at the bottom side position of the filtrate discharge pipe 3; wherein a liquid filter collecting tank 4 is arranged below the spray pipe head 5; the filtrate in the filtrate discharge pipe 3 enters the liquid filter collecting tank 4 through the spray pipe head 5, and the filtrate discharge pipe 3 is connected to the liquid discharge auxiliary mechanism;

[0038] The filtrate generated in the filter press of the present invention is discharged through the filtrate discharge pipe 3 and falls into the liquid filter collection tank 4 through the spray pipe head 5. The materials adhered and deposited on the inner wall of the filtrate discharge pipe 3 are scraped and cleaned by the provided cleaning auxiliary component, that is, the scraper ring body 80403 is pushed by the telescopic control rod 802 to perform cleaning work. After the adhered and deposited materials are removed, the clean materials are taken away by the flowing filtrate; when the telescopic control rod 802 drives the scraper ring body 80403 to return and reset, the materials adhered and deposited on the inner wall of the filtrate discharge pipe 3 are also scraped and cleaned in this process, and the provided filtering and collecting component has a filtering and collecting function for the deposited materials after scraping.

[0039] Example 2: Based on Example 1, please refer to Figure 3-Figure 13The liquid discharge auxiliary mechanism here includes a connecting pipe head 601, a clean water delivery branch pipe 602, a locking cap 603, a delivery main pipe 604, a filtering collection component and a cleaning auxiliary component; the connecting pipe head 601 is arranged on the filtrate discharge pipe 3, and the connecting pipe head 601 and the clean water delivery branch pipe 602 are firmly connected through the locking cap 603, and the clean water delivery branch pipe 602 is equidistantly arranged on the bottom side of the delivery main pipe 604.

[0040] The filter collection assembly here is connected and arranged at the end of the filtrate discharge pipe 3, and the cleaning auxiliary assembly is connected and arranged with the filter collection assembly; wherein the filter collection assembly includes an extension pipe head 701, a receiving pipe fitting 702, a docking bottom pipe 703, an auxiliary connecting pipe fitting 704, a threaded connection groove 705 and a filter collection ball shell assembly; the extension pipe head 701 is integrally formed and arranged at the end of the filtrate discharge pipe 3, and the other end of the extension pipe head 701 is fixedly provided with a connecting flange, one end of the receiving pipe fitting 702 is fixedly provided with a connecting flange, the other end of the receiving pipe fitting 702 is connected with the cleaning auxiliary assembly, the receiving pipe fitting 702 and the extension pipe head 701 are firmly connected by bolts, and the bottom side of the receiving pipe fitting 702 is connected and arranged with a docking bottom pipe 703; wherein a thread is arranged on the outer side wall of the bottom end of the docking bottom pipe 703, and a threaded connection groove 705 is arranged on the inner side of the top end of the auxiliary connecting pipe fitting 704, and the threaded connection groove 705 is threadedly connected with the bottom end of the docking bottom pipe 703 The bottom end of the auxiliary connecting pipe 704 is provided with a filtering and collecting ball shell assembly; the filtering and collecting ball shell assembly here includes a top mesh shell 70601, a bottom mesh shell 70602, an annular docking screw groove 70603, an externally threaded docking ring body 70604, an auxiliary cone cover 70605 and an auxiliary filtering hole 70606; the top end of the top mesh shell 70601 is fixedly connected to the auxiliary connecting pipe 704, and the port of the bottom mesh shell 70602 is provided with an externally threaded docking ring body 70604. The top mesh shell 70601 is provided with a circular docking screw groove 70603 on the inner side of the bottom port, and the circular docking screw groove 70603 is threadedly connected with the externally threaded docking ring body 70604; the top mesh shell 70601 and the bottom mesh shell 70602 are docked to form a spherical shell, and an auxiliary cone cover 70605 is placed in the spherical shell, and auxiliary filtering holes 70606 are evenly arranged on the auxiliary cone cover 70605.

[0041] The cleaning auxiliary components here include a bearing docking plate 801, a telescopic control rod 802, a connecting plate 803 and a scraper structure; the bearing docking plate 801 is fixedly arranged at one end of the receiving tube 702 by screws, and a telescopic control rod 802 is arranged on the bearing docking plate 801, and a connecting plate 803 is fixedly arranged at one end of the telescopic control rod 802, and the connecting plate 803 is connected to the scraper structure; the scraper structure here includes a fixed plate 80401, a supporting strip body 80402, a scraper ring body 80403, a guide groove body 80404, an auxiliary side ring groove 80405, a scraper auxiliary sheet 80406, a first auxiliary hole groove 80407 and a second auxiliary hole groove 80408; the fixed plate 80401 and the connecting plate 803 are firmly connected by screws, and Support strips 80402 are fixedly arranged at equal intervals on the sides of the fixed plate 80401, one end of the support strips 80402 is fixedly arranged on the inner wall of the scraper ring body 80403, guide grooves 80404 are arranged at equal intervals on the outer wall of the scraper ring body 80403, and a scraper auxiliary piece 80406 is arranged in the middle position of the guide groove body 80404, an auxiliary side ring groove 80405 is arranged at one end of the scraper ring body 80403, and the auxiliary side ring groove 80405 is connected to the guide groove body 80404, a first auxiliary hole groove 80407 is arranged in the scraper auxiliary piece 80406, and second auxiliary hole grooves 80408 are arranged at equal intervals in the scraper ring body 80403, and one end of the second auxiliary hole groove 80408 is connected to the auxiliary side ring groove 80405.

[0042] In this embodiment, when it is necessary to clean the material deposited on the inner wall of the filtrate discharge pipe 3, the scraper ring 80403 is pushed to move back and forth by the telescopic control rod 802, and the outer wall of the scraper ring 80403 scrapes the material on the inner wall of the filtrate discharge pipe 3. After the cleaning work is completed, the telescopic control rod 802 drives the scraper ring 80403 to reset to the initial position, that is, the front end of the scraper ring 80403 reaches the pipe opening position of the docking bottom pipe 703. In this process, the scraping and cleaning The slag that falls into the filtrate discharge pipe 3 can be taken away by the discharged filtrate, or can be assisted by the clean water transported in the conveying main pipe 604 for cleaning; and the material adhering to the scraper ring body 80403 can be cleaned by increasing the amount of clean water sprayed from the conveying main pipe 604, or the conveying main pipe 604 can be used to transport normal clean water when the spray pipe head 5 is blocked. In this process, the cleaned material on the scraper ring body 80403 enters the spherical shell from the docking bottom pipe 703 for filtration and collection.

[0043] The purpose of setting the guide groove body 80404 and the uniformly set second auxiliary holes 80408 on the outer wall of the scraper ring body 80403 here is, on the one hand, to ensure the normal flow of cleaning water, and on the other hand, to better clean the adhering materials on the end of the scraper ring body 80403; and a scraper auxiliary sheet 80406 is also set in the middle position of the guide groove body 80404, the purpose of which is to avoid the omission of scraping materials due to the guide groove body 80404, and the first auxiliary hole 80407 is set on the scraper auxiliary sheet 80406 for cleaning the materials adhering to the scraper auxiliary sheet 80406.

[0044] The cleaned material is filtered and collected in the spherical shell, and the filtrate falls into the liquid filter collection tank 4. The material is temporarily stored in the spherical shell, and an auxiliary cone cover 70605 is also provided in the spherical shell, the purpose of which is to prevent the material from accumulating at the bottom of the spherical shell as much as possible to avoid rapid clogging problems; and the spherical shell here is composed of a top mesh shell 70601 and a bottom mesh shell 70602, which is convenient for taking out the collected material and provides convenience for subsequent cleaning, replacement and other maintenance work.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filtrate discharging device for a mineral processing filter press, characterized in that: It comprises a filter press body (1), a filtrate discharge pipe (3), a filtrate collection tank (4) and a liquid discharge auxiliary mechanism; The bottom end of the filter press body (1) is provided with a supporting foot (2), and filtrate discharge pipes (3) are equidistantly provided on the sides of the filter press body (1), and a spray pipe head (5) is provided on the bottom side of the filtrate discharge pipe (3); A liquid filter collecting tank (4) is provided below the spray pipe head (5); The filtrate discharge pipe (3) is connected to the liquid discharge auxiliary mechanism.

2. The filtrate discharging device for a mineral processing filter press according to claim 1, characterized in that: The liquid discharge auxiliary mechanism comprises a connecting pipe head (601), a clean water delivery branch pipe (602), a locking cap (603), a delivery main pipe (604), a filtration collection component and a cleaning auxiliary component; the connecting pipe head (601) is arranged on the filtrate discharge pipe (3), and the connecting pipe head (601) and the clean water delivery branch pipe (602) are firmly connected via the locking cap (603); the clean water delivery branch pipe (602) is equidistantly arranged on the bottom side of the delivery main pipe (604).

3. The filtrate discharging device for a mineral processing filter press according to claim 2, characterized in that: The filtering and collecting component is connected to the end of the filtrate discharge pipe (3), and the cleaning auxiliary component is connected to the filtering and collecting component.

4. The filtrate discharging device for a mineral processing filter press according to claim 2, characterized in that: The filter collection assembly comprises an extension pipe head (701), a receiving pipe fitting (702), a docking bottom pipe (703), an auxiliary connecting pipe fitting (704), a threaded connection groove (705) and a filter collection ball shell assembly; the extension pipe head (701) is integrally formed and arranged at the end of the filtrate discharge pipe (3), and the other end of the extension pipe head (701) is fixedly provided with a connection flange, one end of the receiving pipe fitting (702) is fixedly provided with a connection flange, and the other end of the receiving pipe fitting (702) is connected to the cleaning auxiliary assembly, the receiving pipe fitting (702) and the extension pipe head (701) are firmly connected by bolts, and the bottom side of the receiving pipe fitting (702) is connected and provided with a docking bottom pipe (703).

5. The filtrate discharging device for a mineral processing filter press according to claim 4, characterized in that: The outer wall of the bottom end of the docking bottom tube (703) is provided with a thread, and the inner side of the top end of the auxiliary connecting pipe (704) is provided with a threaded connection groove (705), and the threaded connection groove (705) is threadedly connected to the bottom end of the docking bottom tube (703), and the bottom end of the auxiliary connecting pipe (704) is provided with a filtering and collecting ball shell assembly.

6. The filtrate discharging device for a mineral processing filter press according to claim 5, characterized in that: The filtering and collecting spherical shell assembly comprises a top mesh shell (70601), a bottom mesh shell (70602), an annular docking screw groove (70603), an externally threaded docking ring body (70604), an auxiliary cone cover (70605) and an auxiliary filtering hole (70606); the top end of the top mesh shell (70601) is fixedly connected to the auxiliary connecting pipe (704), the port of the bottom mesh shell (70602) is provided with an externally threaded docking ring body (70604), and the inner side of the bottom port of the top mesh shell (70601) is provided with an annular docking screw groove (70603), and the annular docking screw groove (70603) is threadedly connected with the externally threaded docking ring body (70604) in a matching manner.

7. The filtrate discharging device for a mineral processing filter press according to claim 6, characterized in that: The top mesh shell (70601) and the bottom mesh shell (70602) are connected to form a spherical shell, and an auxiliary cone cover (70605) is placed in the spherical shell, and auxiliary filtering holes (70606) are evenly arranged on the auxiliary cone cover (70605).

8. The filtrate discharging device for a mineral processing filter press according to claim 2, characterized in that: The cleaning auxiliary component comprises a bearing docking plate (801), a telescopic control rod (802), a connecting plate (803) and a scraping structure; the bearing docking plate (801) is fixedly arranged at one end of a pipe opening of a receiving pipe member (702) by means of screws, and a telescopic control rod (802) is arranged on the bearing docking plate (801), and a connecting plate (803) is fixedly arranged at one end of the telescopic control rod (802), and the connecting plate (803) is connected to the scraping structure.

9. The filtrate discharging device for a mineral processing filter press according to claim 8, characterized in that: The scraper structure comprises a fixed plate (80401), a support strip (80402), a scraper ring (80403), a guide groove (80404), an auxiliary side ring groove (80405), a scraper auxiliary sheet (80406), a first auxiliary hole groove (80407) and a second auxiliary hole groove (80408); the fixed plate (80401) and the connecting plate (803) are firmly connected by screws, and the side of the fixed plate (80401) is fixedly provided with support strips (80402) at equal intervals, one end of the support strip (80402) is fixedly provided on the inner side wall of the scraper ring (80403), and the scraper ring (80403) is fixedly provided with a support strip (80402) at one end. 3) is provided with a guide groove body (80404) at equal intervals on the outer wall, and a scraper auxiliary piece (80406) is provided in the middle position of the guide groove body (80404), the auxiliary side ring groove (80405) is provided at one end of the scraper ring body (80403), and the auxiliary side ring groove (80405) is connected with the guide groove body (80404), a first auxiliary hole groove (80407) is provided in the scraper auxiliary piece (80406), and a second auxiliary hole groove (80408) is provided at equal intervals in the scraper ring body (80403), and one end of the second auxiliary hole groove (80408) is connected with the auxiliary side ring groove (80405).

10. A method for using the filtrate discharge device for a mineral processing filter press as claimed in any one of claims 1 to 9, characterized in that: The usage is: The filtrate discharge pipe (3) discharges the filtrate, and the filtrate falls into the filtrate collection tank (4) through the spray pipe head (5). The materials adhering to and depositing on the inner wall of the filtrate discharge pipe (3) are scraped and cleaned by the cleaning auxiliary component, that is, the scraper ring body (80403) is pushed by the telescopic control rod (802) to perform cleaning work. After the adhering and deposited materials are removed, the clean materials are taken away by the flowing filtrate; when the telescopic control rod (802) drives the scraper ring body (80403) to return and reset, the materials adhering to and depositing on the inner wall of the filtrate discharge pipe (3) are also scraped and cleaned in the process, and the filter collection component provided has a filtering and collecting function for the deposited materials after scraping.

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