Self-discharging sealing device for filter

Abstract

The utility model discloses a filter self -discharge residue sealing device, include: filter, discharge residue mouth, connecting shaft and sealing valve, and discharge residue mouth is located below the filter, and connecting shaft rotation penetrates in the inside of discharge residue mouth, and sealing valve fixedly penetrates the outer surface of connecting shaft, cleaning assembly, cleaning assembly includes mounting panel, threaded hole, threaded rod, first fixed plate and second fixed plate, and mounting panel has two, and is located respectively at both sides of discharge residue mouth, and threaded hole sets up in the upper end of mounting panel, and threaded rod has two, and is respectively screwed in the inside of corresponding threaded hole, and first fixed plate is fixed in the inside of the lower end of two mounting panels, and second fixed plate is fixed in the inside of the upper end of two mounting panels, the utility model discloses through the slag particle of scraper to the outer surface of sealing valve and cleans, avoid the gap of slag particle residual to cause sealing valve to close, ensure the sealing of sealing valve and discharge residue mouth and fit, reduce filtrate leakage risk, maintain filter internal pressure stability.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically to a filter self-draining slag sealing device. Background Technology

[0002] The filter's self-draining slag sealing device is a key component used to seal and isolate the slag discharge channel from the filter chamber during the automatic slag discharge process. Its core function is to ensure smooth slag discharge while preventing the leakage of filtrate, gas, or unfiltered material from the slag discharge port during the filtration process, thereby maintaining the normal operating pressure of the filter, improving filtration efficiency, and avoiding material waste or environmental pollution.

[0003] When the filter discharges slag, hard particles in the slag may get stuck between the sealing surfaces, accelerating the scratching and wear of the seals, leading to a decrease in sealing performance. This requires frequent replacement of the seals, increasing maintenance costs and downtime. Therefore, there is a need for a sealing device that can efficiently clean the surface of the sealing valve and ensure a tight seal. Utility Model Content

[0004] The purpose of this utility model is to provide a self-closing sealing device for a filter press, so as to solve the problems mentioned in the background art. To solve the above technical problems, this utility model is achieved through the following technical solution: This utility model relates to a self-draining slag sealing device for a filter press, comprising: The filter includes a slag discharge port, a connecting shaft, and a sealing valve. The slag discharge port is located below the filter, the connecting shaft rotates through the inside of the slag discharge port, and the sealing valve is fixedly inserted through the outer surface of the connecting shaft. The cleaning assembly includes a mounting plate, threaded holes, threaded rods, a first fixing plate, and a second fixing plate. There are two mounting plates, located on both sides of the slag discharge port. The threaded holes are opened at the upper end of the mounting plates. There are two threaded rods, which are screwed into the corresponding threaded holes. The first fixing plate is fixed inside the lower end of the two mounting plates, and the second fixing plate is fixed inside the upper end of the two mounting plates. The first fixed plate has a first movable groove in the middle of its outer surface, and the second fixed plate has a second movable groove in the middle of its outer surface, with the first movable groove and the second movable groove being directly opposite each other. The first movable groove and the second movable groove have movable columns that slide through them. A baffle is fixed in the middle of the movable column and the baffle is located between the first fixed plate and the second fixed plate. A first spring is fixed to one side of the baffle, and a scraper is fixed to the upper end of the movable column.

[0005] Furthermore, an inlet is fixedly connected to one side of the lower end of the filter, and an outlet is fixedly connected to one side of the upper end of the filter.

[0006] Furthermore, it also includes a disassembly and assembly component, which includes an installation groove, a retaining groove, and a sealing strip. There are two installation grooves, which are respectively opened on both sides of the sealing valve. The retaining grooves are opened on both sides of the sealing valve and are interconnected with the installation grooves. The sealing strip is installed inside the installation groove.

[0007] Furthermore, the lower end of the sealing strip is provided with an installation hole, and the installation hole corresponds to the slot in the positive direction.

[0008] Furthermore, a second spring is fixed inside the mounting hole, and a locking pin is fixed to one end of the second spring, with the end of the locking pin extending into the locking groove.

[0009] This utility model has the following beneficial effects: This utility model, through the design of a filter, inlet, outlet, slag discharge port, connecting shaft, sealing valve, and cleaning assembly, allows for slag discharge from the filter. Rotating the connecting shaft opens the sealing valve, which is then placed vertically. Aeration and slag discharge then proceed. To prevent slag particles from remaining on the sealing valve surface, an mounting plate is installed on the lower surface of the slag discharge port. Rotating the threaded rod within the threaded hole clamps the end of the threaded rod to the slag discharge port. This then pushes the movable column, which moves within the first and second movable grooves. Under the elastic force of the first spring, the first spring will compress and extend, synchronously driving the movable column to move up and down, and driving the scraper to clean the outer surface of the sealing valve. When the other side needs to be cleaned, the connecting shaft can be rotated to make the other side of the sealing valve vertical, and the scraper contacts the outer surface of the sealing valve to remove the slag particles. The scraper cleans the slag particles on the outer surface of the sealing valve, avoiding slag particles from causing gaps when the sealing valve is closed, ensuring a tight seal between the sealing valve and the slag discharge port, reducing the risk of filtrate leakage, and maintaining stable internal pressure of the filter. Attached Figure Description

[0010] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of this utility model in three dimensions; Figure 3 This is an exploded view of the cleaning component structure of this utility model; Figure 4 This is an exploded view of the disassembly and assembly components of this utility model.

[0012] The attached diagram lists the components represented by each number as follows: 11. Filter; 12. Liquid inlet; 13. Liquid outlet; 14. Slag discharge port; 15. Connecting shaft; 16. Sealing valve; 21. Mounting plate; 22. Threaded hole; 23. Threaded rod; 24. First fixing plate; 241. First movable groove; 25. Second fixing plate; 251. Second movable groove; 26. Movable column; 27. Baffle; 28. First spring; 29. ​​Scraper; 31. Mounting slot; 32. Slot; 33. Sealing strip; 34. Mounting hole; 35. Second spring; 36. Locking post. Detailed Implementation

[0013] 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.

[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0015] Please see Figure 1-4 As shown, this utility model is a self-draining slag sealing device for a filter press, comprising: The filter 11, the slag discharge port 14, the connecting shaft 15 and the sealing valve 16 are connected. The slag discharge port 14 is located below the filter 11. The connecting shaft 15 rotates through the inside of the slag discharge port 14. The sealing valve 16 is fixedly connected through the outer surface of the connecting shaft 15. The liquid inlet 12 is fixedly connected to one side of the lower end of the filter 11, and the liquid outlet 13 is fixedly connected to one side of the upper end of the filter 11. The filter 11 is used to achieve the core function of solid-liquid separation, providing working space for processes such as filtration and slag discharge. The inlet 12 is the channel for the mixed liquid to be filtered to enter the filter 11, ensuring that the liquid enters the equipment smoothly for filtration. The outlet 13 is used to discharge the clear liquid obtained after filtration from the filter 11, realizing the collection of filtrate. The slag discharge port 14 is the channel for the slag generated after filtration to be discharged from the equipment. When the sealing valve 16 is closed, it can fit tightly with the slag discharge port 14 to achieve a seal and prevent filtrate leakage; when open, it allows the slag to be discharged through the slag discharge port 14.

[0016] The cleaning assembly includes a mounting plate 21, a threaded hole 22, a threaded rod 23, a first fixing plate 24, and a second fixing plate 25. There are two mounting plates 21, located on both sides of the slag discharge port 14. The threaded hole 22 is opened at the upper end of the mounting plate 21. There are two threaded rods 23, which are screwed into the corresponding threaded holes 22. The first fixing plate 24 is fixed inside the lower end of the two mounting plates 21, and the second fixing plate 25 is fixed inside the upper end of the two mounting plates 21. Mounting plate 21 is the basic mounting component of the cleaning assembly. Threaded hole 22 cooperates with threaded rod 23 to provide a threaded channel for the rotation of threaded rod 23, allowing the threaded rod 23 to be adjusted in position by rotation. By rotating within threaded hole 22, the end of threaded rod 23 can clamp slag discharge port 14, thereby firmly fixing mounting plate 21 and the entire cleaning assembly to slag discharge port 14, ensuring the stability of the cleaning process. First fixing plate 24 provides lower support and guidance for the sliding of movable column 26, and second fixing plate 25 corresponds to first fixing plate 24.

[0017] A first movable groove 241 is provided in the middle of the outer surface of the first fixed plate 24, and a second movable groove 251 is provided in the middle of the outer surface of the second fixed plate 25. The first movable groove 241 and the second movable groove 251 are directly opposite each other. A movable column 26 slides through the first movable groove 241 and the second movable groove 251. A baffle 27 is fixed in the middle of the movable column 26, and the baffle 27 is located between the first fixed plate 24 and the second fixed plate 25. A first spring 28 is fixed on one side of the baffle 27, and a scraper 29 is fixed at the upper end of the movable column 26. The first movable groove 241 and the second movable groove 251 cooperate to provide a channel for the up and down sliding of the movable column 26, restrict the movement direction of the movable column 26, and ensure its stable movement. The movable column 26 is an intermediate component connecting the baffle 27 and the scraper 29. It can move up and down in the groove, thereby driving the scraper 29 to perform cleaning action. The baffle 27 is used to fix the first spring 28. On the other hand, when the movable column 26 moves, it can squeeze or stretch the first spring 28, so that the spring generates elastic force. When the movable column 26 moves and drives the baffle 27 to move, the first spring 28 will be compressed or stretched accordingly. The generated elastic force can make the movable column 26 return to its original position when it is not subjected to external force. At the same time, it assists the movable column 26 in driving the scraper 29 to make close contact with the surface of the sealing valve 16, enhancing the cleaning effect. Under the drive of the movable column 26, it moves up and down and can contact the outer surface of the sealing valve 16, hanging off the residue particles remaining on it.

[0018] Working principle: When discharging slag from the filter 11, the connecting shaft 15 is rotated, causing the sealing valve 16 to open. At this time, the sealing valve 16 is placed vertically. Then, aeration and slag discharge are carried out. To prevent slag particles from remaining on the surface of the sealing valve 16, the mounting plate 21 is installed on the lower surface of the slag discharge port 14. The threaded rod 23 is rotated, and the threaded rod 23 rotates in the threaded hole 22, so that the end of the threaded rod 23 clamps the slag discharge port 14. Then, the movable column 26 is pushed, and the movable column 26 moves in the first movable groove 241 and the second movable groove 251. Under the elastic force of the first spring 28, the first spring... 28 will compress and extend, synchronously driving the movable column 26 to move up and down, and driving the scraper 29 to clean the outer surface of the sealing valve 16. When the other side needs to be cleaned, the connecting shaft 15 can be rotated to make the other side of the sealing valve 16 vertical, and the scraper 29 will contact the outer surface of the sealing valve 16 to hang off the slag particles. The scraper 29 cleans the slag particles on the outer surface of the sealing valve 16, avoiding the slag particles from causing gaps when the sealing valve 16 is closed, ensuring the sealing fit between the sealing valve 16 and the slag discharge port 14, reducing the risk of filtrate leakage, and maintaining stable internal pressure of the filter 11. This step involves cleaning the slag particles on the outer surface of the sealing valve 16 using the scraper 29. This prevents slag particles from causing gaps when the sealing valve 16 is closed, ensuring a tight seal between the sealing valve 16 and the slag discharge port 14, reducing the risk of filtrate leakage, and maintaining stable internal pressure in the filter 11.

[0019] Please see Figure 1-4 As shown, this embodiment, based on the above embodiment, further includes: The disassembly and assembly components include an installation groove 31, a slot 32, and a sealing strip 33. There are two installation grooves 31, which are respectively opened on both sides of the sealing valve 16. The slots 32 are opened on both sides of the sealing valve 16, and the slots 32 and the installation grooves 31 are interconnected. The sealing strip 33 is installed inside the installation groove 31. The mounting groove 31 provides a precise space for the sealing strip 33, ensuring that the sealing strip 33 can be stably attached to the edge of the sealing valve 16. The slot 32, together with the locking post 36, fixes the sealing strip 33. The sealing strip 33 has a certain elasticity, and when the sealing valve 16 is closed, it can tightly fit the edge of the slag discharge port 14, fill the gap, and prevent the filtrate from leaking.

[0020] The lower end of the sealing strip 33 is provided with an installation hole 34, and the installation hole 34 is directly opposite to the slot 32. A second spring 35 is fixed inside the installation hole 34, and a locking post 36 is fixed to one end of the second spring 35. The end of the locking post 36 extends into the slot 32. The pre-set mounting hole 34 provides a built-in channel for the locking structure, ensuring that the second spring 35 and the locking post 36 can be stably assembled on the sealing strip 33, achieving precise matching with the slot 32. When disassembly is required, pressing the locking post 36 can compress the second spring 35, causing the locking post 36 to exit the slot 32. During installation, the elastic force of the second spring 35 will push the locking post 36 to automatically engage with the slot 32, completing the fixation.

[0021] Working principle: With long-term use, the sealing strip 33 of the sealing valve 16 will age. By pressing the retaining post 36, the retaining post 36 compresses the second spring 35 into the mounting hole 34. At this time, the retaining post 36 is misaligned with the retaining groove 32, and the sealing strip 33 can be removed. Then, a new sealing strip 33 can be installed into the mounting groove 31, which can quickly replace the sealing strip 33. This step, by pressing the locking pin 36 to compress the second spring 35 into the mounting hole 34, can quickly disengage the locking pin 36 from the locking groove 32, enabling convenient disassembly and replacement of the sealing strip 33. This avoids the entire sealing valve 16 being scrapped due to the aging of the sealing strip, and only the vulnerable parts need to be replaced to restore the sealing performance, significantly reducing equipment maintenance costs.

[0022] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A self-draining slag sealing device for a filter press, characterized in that, include: The filter (11), the slag discharge port (14), the connecting shaft (15) and the sealing valve (16) are provided. The slag discharge port (14) is located below the filter (11). The connecting shaft (15) rotates through the inside of the slag discharge port (14). The sealing valve (16) is fixedly inserted through the outer surface of the connecting shaft (15). The cleaning assembly includes a mounting plate (21), a threaded hole (22), a threaded rod (23), a first fixing plate (24), and a second fixing plate (25). There are two mounting plates (21), which are located on both sides of the slag discharge port (14). The threaded hole (22) is opened at the upper end of the mounting plate (21). There are two threaded rods (23), which are screwed into the corresponding threaded holes (22). The first fixing plate (24) is fixed inside the lower end of the two mounting plates (21), and the second fixing plate (25) is fixed inside the upper end of the two mounting plates (21). The first fixed plate (24) has a first movable groove (241) in the middle of its outer surface, and the second fixed plate (25) has a second movable groove (251) in the middle of its outer surface, with the first movable groove (241) and the second movable groove (251) facing each other. The first movable groove (241) and the second movable groove (251) have a movable column (26) slidingly passing through them. A baffle (27) is fixed in the middle of the movable column (26), and the baffle (27) is located between the first fixed plate (24) and the second fixed plate (25). A first spring (28) is fixed to one side of the baffle (27), and a scraper (29) is fixed to the upper end of the movable column (26).

2. The filter press self-discharge sealing device according to claim 1, characterized in that: The filter (11) has an inlet (12) fixedly connected to one side of its lower end and an outlet (13) fixedly connected to one side of its upper end.

3. The filter press self-discharge sealing device according to claim 2, characterized in that: It also includes a disassembly and assembly component, which includes an installation groove (31), a slot (32) and a sealing strip (33). There are two installation grooves (31), which are respectively opened on both sides of the sealing valve (16). The slots (32) are opened on both sides of the sealing valve (16) and the slots (32) and the installation grooves (31) are interconnected. The sealing strip (33) is installed inside the installation groove (31).

4. The filter press self-discharge sealing device according to claim 3, characterized in that: The lower end of the sealing strip (33) is provided with an installation hole (34), and the installation hole (34) is directly opposite to the slot (32).

5. A filter press self-discharging sealing device according to claim 4, characterized in that: A second spring (35) is fixed inside the mounting hole (34), and a locking post (36) is fixed at one end of the second spring (35). The end of the locking post (36) extends into the locking groove (32).

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