A mine filter station backwash apparatus

Abstract

This utility model relates to the field of water treatment and discloses a backwashing device for a mining filtration station. The device includes a tank with a first inlet pipe at the bottom outer side and an outlet pipe at the middle right side. Two fixed discs are arranged inside the tank to divide the interior into an upper chamber, a middle chamber, and a lower chamber. Multiple filter elements are arranged perpendicular to the tank's axis within the middle chamber and pass through the two fixed discs, connecting the upper and lower chambers. A backwashing actuator includes a rotating flushing component rotatably mounted inside the tank and a drive mechanism for rotating the rotating flushing component. This utility model significantly improves the maintenance efficiency and operational reliability of the filtration system, efficiently completing cleaning to ensure stable operation and providing timely warnings of filter element damage, effectively preventing secondary damage caused by impurity leakage.

Description

Technical Field

[0001] This utility model relates to the field of water treatment, and in particular to a backwashing device for a mining filter station. Background Technology

[0002] In modern mining, intelligent integrated fluid supply systems are the core lifeline for ensuring high-yield and efficient production. These systems encompass key units such as emulsion pump stations, spray pump stations, water injection pump stations, and clean water pump stations. The stable operation of these pump stations directly affects the reliable support of hydraulic supports, effective dust suppression at the working face, and the circulating cooling of equipment. All of this relies on a continuous supply of clean, impurity-free liquid media. While the mine's Hongmeng pump station electrical control system can achieve precise control, its actuators (such as precision pumps, valves, and nozzles) have extremely stringent requirements for fluid cleanliness. If the liquid contains solid particulate impurities, it will lead to a series of chain reactions, including accelerated component wear, seal failure, and system pressure fluctuations, seriously threatening production safety and efficiency.

[0003] As a crucial pre-supply link in intelligent integrated liquid supply systems, mining filtration stations bear the heavy responsibility of intercepting impurities. Existing technologies generally employ fixed filter cartridge structures and primarily trigger backwashing via differential pressure signals. However, this traditional approach has significant drawbacks: First, the backwashing process often involves a large-scale flooding of the entire filtration unit, failing to achieve precise and targeted cleaning of individual or severely contaminated filter cartridges. This results in uneven water distribution, insufficient rinsing intensity in some areas, and the retention and eventual hardening of stubborn impurities, ultimately leading to filter cartridge blockage and failure, and a continuous increase in system pressure loss. Second, existing filtration stations generally lack real-time status diagnostic capabilities deeply integrated with intelligent control systems. They cannot immediately detect filter cartridge damage or malfunctions, only identifying problems when effluent quality deteriorates or during routine maintenance. This lag allows unfiltered contaminated liquid to enter the downstream pumping station system, causing irreversible wear and damage to expensive core equipment such as emulsion pumps and spray pumps. Therefore, developing an intelligent backwashing device that can achieve precise zoned cleaning, seamlessly integrate with the mine's HarmonyOS pump station electrical control system, and provide real-time feedback on the health status of the filter element has become an urgent technical need to improve the reliability, intelligence level, and economic benefits of the entire mine's liquid supply system throughout its entire life cycle.

[0004] In response to this technical problem, this application proposes a backwashing device for a mining filter station. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as uneven washing methods and lagging filter element status monitoring, by proposing a backwashing device for mining filter stations.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A backwashing device for a mining filtration station includes: a tank with a first inlet pipe at the bottom of its outer side and an outlet pipe at the middle of its right side; two fixed discs inside the tank to divide the tank into an upper chamber, a middle chamber, and a lower chamber; filter elements, multiple filter elements arranged perpendicular to the tank's axis in the middle chamber and passing through the two fixed discs to connect the upper and lower chambers; a backwashing actuator, a rotating flushing assembly rotatably disposed within the tank, and a drive mechanism for rotating the rotating flushing assembly; the rotating flushing assembly includes a flushing disc located in the upper chamber and a water-passing disc located in the lower chamber, the flushing disc and the water-passing disc being fixedly connected by a transmission rod; the flushing disc being connected to a flushing medium supply pipe for spraying flushing medium into the upper opening of the filter elements; and the water-passing disc being connected to a sewage discharge pipe located outside the tank for draining wastewater generated during backwashing from the tank.

[0007] Furthermore, the driving mechanism includes a motor fixed to the mounting bracket on the top of the tank. The output shaft of the motor is connected to a vertically arranged connecting rod through a gear set. The connecting rod extends into the upper chamber and is fixedly connected to the rinsing plate to drive the entire rotating rinsing assembly to rotate.

[0008] Furthermore, the flushing medium supply pipeline is a second water inlet pipe that passes through the inside of the connecting rod. One end of the second water inlet pipe is connected to an external water pump, and the other end is connected to the internal flow channel of the flushing plate. The bottom side of the flushing plate is provided with a spray hole that is connected to the internal flow channel.

[0009] Furthermore, a first observation window is provided on the front side of the tank, and the sewage discharge pipeline includes a connecting pipe that communicates with the bottom of the water passage plate. The right end of the connecting pipe passes through the tank and is equipped with a sewage discharge valve.

[0010] Furthermore, a damage monitoring device is installed on the outlet pipe. The damage monitoring device includes a second observation window installed on the pipe wall and a color indicator sheet installed in the flow channel through an installation component. The color indicator sheet is used to visually indicate the damage status of the filter element through the color change of the color indicator sheet. The color indicator sheet is a sheet-like structure made of porous adsorption material, and its interior adsorbs color dye that is easily washed away.

[0011] Furthermore, the gear set includes a primary gear disposed at the motor drive end and a secondary gear disposed at the top of the connecting rod.

[0012] Furthermore, the damage monitoring device also includes a mounting base fixed to the inner wall of the water outlet pipe. The mounting base is connected to a clamping plate through an elastic reset member, and the color indicator is clamped and fixed between the mounting base and the clamping plate.

[0013] Furthermore, the elastic reset component includes a slide rod disposed on the right side of the clamping plate, and protrusions are provided on the opposing surfaces of the clamping plate and the mounting base, and the edge of the color indicator sheet is provided with a groove that engages with the protrusions.

[0014] This utility model has the following beneficial effects: 1. In this utility model, the integrated automatic cleaning and status monitoring functions greatly improve the operation and maintenance efficiency and reliability of the filtration system. Its innovative cleaning method can efficiently and thoroughly clean the filter unit, significantly improve the backwashing effect and shorten the maintenance time, thereby ensuring the continuous and stable operation of the system.

[0015] 2. In this utility model, the unique online monitoring mechanism enables real-time and intuitive judgment of the health status of the filter unit, and can provide an immediate warning when damage occurs, effectively preventing subsequent process problems or equipment damage caused by the leakage of unfiltered impurities. Attached Figure Description

[0016] Figure 1 This is a perspective view of a backwashing device for a mining filter station proposed in this utility model. Figure 2 This is a schematic diagram of the mounting frame structure of a backwashing device for a mining filter station proposed in this utility model; Figure 3 This is a schematic diagram of the water passage plate structure of a backwashing device for a mining filter station proposed in this utility model; Figure 4 This is a schematic diagram of the mounting base structure of a backwashing device for a mining filter station proposed in this utility model; Figure 5 This is a schematic diagram of the flushing disc structure of a backwashing device for a mining filter station proposed in this utility model.

[0017] Legend: 1. Tank body; 2. First inlet pipe; 3. Outlet pipe; 4. First observation window; 5. Mounting bracket; 6. Motor; 7. Main gear; 8. Secondary gear; 9. Connecting rod; 10. Flushing plate; 11. Transmission rod; 12. Second inlet pipe; 13. Fixing plate; 14. Filter element; 15. Water passage plate; 16. Connecting pipe; 17. Second observation window; 18. Mounting base; 19. Slide rod; 20. Clamping plate; 21. Protrusion; 22. Color indicator sheet. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a backwashing device for a mining filtration station, comprising: a tank 1, with a first inlet pipe 2 at the bottom of the outer side of the tank 1 and an outlet pipe 3 at the middle of the right side; two fixed plates 13 are provided inside the tank 1 to divide the interior of the tank 1 into an upper chamber, a middle chamber, and a lower chamber; and filter elements 14, with multiple filter elements 14 arranged perpendicular to the axis of the tank in the middle chamber and passing through the two fixed plates 13 to connect the upper chamber and the lower chamber. This partitioning structure enables clear zoning of filtration, collection, and sewage discharge functions. The backwashing actuator includes a rotary flushing assembly rotatably disposed in the tank 1 and a drive mechanism for driving the rotary flushing assembly to rotate. The rotary flushing assembly includes a flushing plate 10 located in the upper chamber and a water passage plate 15 located in the lower chamber. The flushing plate 10 and the water passage plate 15 are fixedly connected by a transmission rod 11. The flushing plate 10 is connected to a flushing medium supply pipeline for spraying flushing medium into the upper opening of the filter element 14. The water passage plate 15 is connected to a sewage discharge pipeline located outside the tank 1 for discharging wastewater generated during backwashing from the tank 1. The flushing medium supply pipeline is a second water inlet pipe 12 that passes through the connecting rod 9. One end of the second water inlet pipe 12 is connected to an external water pump, and the other end is connected to the internal flow channel of the flushing plate 10. The bottom side of the flushing plate 10 is provided with a spray hole that communicates with the internal flow channel. The spray pressure is 0.4-0.6 MPa, which can effectively remove impurities attached to the inner wall of the filter element. Reference Figure 3 - Figure 5 The drive mechanism includes a motor 6 fixed to the mounting bracket 5 on the top of the tank 1. The output shaft of the motor 6 is connected to a vertically arranged connecting rod 9 through a gear set. The connecting rod 9 extends into the upper chamber and is fixedly connected to the flushing plate 10 to drive the entire rotating flushing assembly to rotate. The tank 1 has a first observation window 4 on the front side. The sewage discharge pipe includes a connecting pipe 16 that connects to the bottom of the water tray 15. The right end of the connecting pipe 16 passes through the tank 1 and is equipped with a sewage discharge valve. The water outlet pipe 3 is equipped with a damage monitoring device. The damage monitoring device includes a second observation window 17 set on the pipe wall and a color indicator 22 set in the flow channel through an installation component. The color indicator 22 is used to visually indicate the damage status of the filter element 14 by the color change of the color indicator 22. The color indicator 22 is a sheet structure made of porous adsorption material. It adsorbs color dye that is easily washed away. When the filter element 14 is damaged, the impurity water flow will cause the color of the indicator 22 to fade within 30 seconds. The gear set includes a main gear 7 located at the drive end of the motor 6 and a secondary gear 8 located at the top of the connecting rod 9. The damage monitoring device also includes a mounting base 18 fixed to the inner wall of the water outlet pipe 3. The mounting base 18 is connected to a clamping plate 20 through an elastic reset member. The color indicator 22 is clamped and fixed between the mounting base 18 and the clamping plate 20. The elastic reset member includes a sliding rod 19 located on the right side of the clamping plate 20. The clamping plate 20 and the mounting base 18 are provided with protrusions 21 on their opposite surfaces. The edge of the color indicator 22 is provided with a groove that engages with the protrusions 21. Working Principle: The backwashing equipment of this mining filtration station operates based on two core stages: filtration and backwashing. In the filtration stage, raw water rich in impurities enters the lower chamber of tank 1 through the first inlet pipe 2. As the liquid level rises and submerges the horizontally arranged filter elements 14, under system pressure, the water flows through the filter media of the filter elements 14 into the upper chamber, while suspended particles are trapped on the outside or inside the flow channels of the filter elements 14. The filtered clean water is discharged from the system through the outlet pipe 3. Simultaneously, a damage monitoring device installed in the outlet pipe 3 continuously operates. If any filter element 14 is damaged, the unfiltered impurity water will wash over the surface of the color indicator sheet 22, causing the adsorbed color dye to dissolve and fade within 30 seconds. The integrity of the filter element 14 can be visually determined through the second observation window 17.

[0020] When the system pressure difference increases or the set cleaning cycle is reached, the equipment automatically switches to the backwashing stage. First, the drain valve on the connecting pipe 16 is opened, and then the motor 6 is started. Through the transmission of the main gear 7 and the secondary gear 8, the connecting rod 9 drives the entire rotating flushing assembly (including the flushing disc 10, the transmission rod 11, and the water passage disc 15) to rotate synchronously, so that the flushing disc 10 and the water passage disc 15 are precisely positioned at the upper and lower ends of the filter element 14 to be cleaned. The core logic of the connecting rod 9 transmitting power to the flushing disc 10 is "rigid fixed connection"—torque transmission is achieved through a simple mechanical structure, while not affecting the water flow channel of the second water inlet pipe 12, thus taking into account both power transmission and media supply functions. At this time, the second water inlet pipe 12 is connected to a high-pressure water source, and the flushing medium of 0.4-0.6MPa is transported to the flushing disc 10 through the inner cavity of the connecting rod 9, and sprayed at high speed from the bottom spray hole towards the upper opening of the filter element 14. Under the combined impact of the pressure difference and the flushing medium, a strong counterflow is formed, effectively stripping the contaminants attached to the inside of the filter element 14. The impurities washed off are carried by the water flow through the internal channels of the filter element 14 into the lower chamber, where they are collected by the corresponding water tray 15 and discharged to the external wastewater treatment system through the connecting pipe 16. This backwashing process, through the step-by-step rotation of the rotating flushing assembly, can sequentially clean all filter elements 14, ultimately restoring the filtration system to its initial performance.

[0021] It is worth noting that the circuits and seals involved in the above embodiments are all based on the corresponding existing technologies according to the actual situation, and therefore will not be described in detail in the embodiments of this application.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 utility model should be included within the protection scope of the present utility model.

Claims

1. A mine filter station backwash apparatus characterised in that, include: The tank (1) has a first water inlet pipe (2) at the bottom of the outer side and a water outlet pipe (3) at the middle of the right side. The tank (1) has two fixed plates (13) inside to divide the inside of the tank (1) into an upper chamber, a middle chamber and a lower chamber. Filter element (14), a plurality of filter elements (14) are arranged in the middle chamber perpendicular to the tank axis and pass through the two fixing plates (13) to connect the upper chamber and the lower chamber; The backwashing actuator includes a rotary flushing assembly rotatably disposed in the tank (1) and a drive mechanism for driving the rotary flushing assembly to rotate. The rotary flushing assembly includes a flushing plate (10) located in the upper chamber and a water passage plate (15) located in the lower chamber. The flushing plate (10) and the water passage plate (15) are fixedly connected by a transmission rod (11). The flushing plate (10) is connected to a flushing medium supply pipeline for spraying flushing medium into the upper opening of the filter element (14). The water passage plate (15) is connected to a sewage discharge pipeline located outside the tank (1) for discharging wastewater generated by backwashing into the tank (1).

2. A backwash apparatus for a mine filter station according to claim 1, characterised in that: The driving mechanism includes a motor (6) fixed to the mounting bracket (5) on the top of the tank (1). The output shaft of the motor (6) is connected to a vertically arranged connecting rod (9) through a gear set. The connecting rod (9) extends into the upper chamber and is fixedly connected to the flushing plate (10) to drive the rotating flushing assembly to rotate as a whole.

3. A backwash apparatus for a mine filter station according to claim 2, characterised in that: The flushing medium supply pipeline is a second water inlet pipe (12) that passes through the connecting rod (9). One end of the second water inlet pipe (12) is connected to an external water pump, and the other end is connected to the internal flow channel of the flushing plate (10). The bottom side of the flushing plate (10) is provided with a spray hole that is connected to the internal flow channel.

4. A backwash apparatus for a mine filter station according to claim 1, characterised in that: The tank (1) is provided with a first observation window (4) on the front side. The sewage pipe includes a connecting pipe (16) that communicates with the bottom of the water pan (15). The right end of the connecting pipe (16) passes through the tank (1) and is provided with a sewage valve.

5. A backwash system for a mine filter station according to claim 1, characterised in that: The water outlet pipe (3) is equipped with a damage monitoring device. The damage monitoring device includes a second observation window (17) set on the pipe wall and a color indicator (22) set in the flow channel through an installation component. The color indicator (22) is used to visually indicate the damage status of the filter element (14) by the color change of the color indicator (22). The color indicator (22) is a sheet structure made of porous adsorption material, and its interior adsorbs color dye that is easily washed away.

6. A backwash system for a mine filter station according to claim 2, characterised in that: The gear set includes a main gear (7) located at the drive end of the motor (6) and a secondary gear (8) located at the top of the connecting rod (9).

7. A backwash apparatus for a mine filter station as claimed in claim 5 wherein: The damage monitoring device also includes a mounting base (18) fixed to the inner wall of the water outlet pipe (3). The mounting base (18) is connected to a clamp (20) through an elastic reset member. The color indicator (22) is clamped and fixed between the mounting base (18) and the clamp (20).

8. A backwash apparatus for a mine filter station according to claim 7, characterised in that: The elastic reset component includes a slide bar (19) disposed on the right side of the clamping plate (20). The clamping plate (20) and the mounting base (18) are provided with protrusions (21) on their opposite surfaces. The edge of the color indicator sheet (22) is provided with a slot that engages with the protrusions (21).

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