Belt filter with scraping structure

Abstract

The utility model discloses a belt filter with a scraping structure, which belongs to the field of belt filters and comprises a conveying frame, a roller is arranged on the inner side of the conveying frame, and filter cloth is sleeved on the roller. Through the arranged quantitative structure, a servo motor and a lead screw are adopted to drive a transverse plate and a lifting block to move, the height of a quantitative plate can be adjusted, the use flexibility and adaptability are improved, a scraping structure is adopted, a scraping plate is mounted on a first moving frame and a second moving frame through a mounting base and a rotating shaft, and the scraping plate is used in cooperation with a translation electric push rod; the horizontal position of the scraping plate can be adjusted, the angle adjusting assembly connected with the rotating shaft is arranged on the first moving frame, the angles of the rotating shaft, the mounting base and the scraping plate can be adjusted, the flexibility and adaptability of the scraping plate in use are improved, a gear and a rack are adopted for transmission, and an angle adjusting electric push rod is matched for use; the device can be adjusted at will within the adjusting range, and stability after adjustment is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of belt filters, and in particular to a belt filter with a scraping structure. Background Technology

[0002] Belt filters, also known as belt press filters or chain belt filters, are continuous, high-efficiency dewatering equipment. They are mainly used for the separation of solids and liquids and are widely used in industries such as chemical, pharmaceutical, food, papermaking, mining, steel, coal, and leather tanning. They are especially prevalent in urban wastewater treatment and industrial sludge dewatering.

[0003] Existing belt filters have baffles and metering plates near the material discharge point. The baffles block solid-liquid mixtures, while the metering plates facilitate quantitative conveying. However, the height of the metering plates in existing belt filters is not adjustable, resulting in poor flexibility and adaptability. Furthermore, to ensure solid material discharge, scrapers are installed at the end of the filter cloth. However, these scrapers are fixed with screws, and over time, wear and tear prevents them from adhering properly to the filter cloth, affecting the scraping process and leading to generally poor performance. Utility Model Content

[0004] The main objective of this invention is to provide a belt filter with a scraping structure, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A belt filter with a scraping structure includes a conveyor frame, an inner roller on the conveyor frame, a filter cloth sleeved on the roller, a fixing frame fixed on the conveyor frame, a baffle installed on the fixing frame, the lower end of the baffle contacting the filter cloth, a metering structure on the conveyor frame, and a scraping structure installed at the end of the conveyor frame, the scraping structure contacting the filter cloth.

[0007] Preferably, the conveyor frame is provided with a vacuum disk, which is located below the upper half of the filter cloth. The conveyor frame is provided with a connecting pipe, which is connected to the vacuum disk.

[0008] Preferably, a reducer is fixed on the conveyor frame, and a motor is provided on the reducer. The conveyor frame is provided with support legs, and a discharge cover is provided on the conveyor frame between the fixed frame and the quantitative structure.

[0009] Preferably, the quantitative structure includes a mounting frame, a guide frame, a quantitative plate, a lifting block, a horizontal plate, a servo motor, and a lead screw. The mounting frame is fixed on the conveyor frame, the guide frame is mounted on the mounting frame, the quantitative plate is fixedly connected to the lifting block, and the lifting block is sleeved on the guide frame. The horizontal plate is connected to the lifting block, the servo motor is fixedly connected to the lead screw, and the servo motor is mounted on the mounting frame. The lead screw passes through the horizontal plate, and the upper end of the lead screw is connected to the guide frame.

[0010] Preferably, the scraping structure includes a fixed rod, a square hole, a first movable frame, a second movable frame, a translation electric push rod, a rotating shaft, an angle adjustment component, a mounting base, and a scraper. The square hole is formed on the fixed rod, and the fixed rod is fixed to the end of the conveyor frame. The first and second movable frames are disposed in the square hole on the fixed rod. The two translation electric push rods are disposed on the fixed rod and are respectively connected to the first and second movable frames. The rotating shaft is connected to the first and second movable frames. The angle adjustment component is mounted on the first movable frame and is connected to the rotating shaft. The scraper is fixed to the rotating shaft by the mounting base.

[0011] Preferably, the angle adjustment assembly includes a gear, a support base, a fixed base, an angle adjustment electric push rod, and a rack. The gear is fixed to the end of the rotating shaft. The support base and the fixed base are mounted on the first movable frame. The angle adjustment electric push rod is fixed to the fixed base, and the telescopic shaft of the angle adjustment electric push rod is connected to the rack. The end of the rack is connected to the support base, and the rack meshes with the gear.

[0012] Compared with the prior art, this utility model has the following beneficial effects: This belt filter with a scraping structure, through the set quantitative structure, uses a servo motor and lead screw to drive the horizontal plate and lifting block to move, which can adjust the height of the quantitative plate, improving the flexibility and adaptability of use. The scraping structure is used, and the scraper is mounted on the first and second moving frames through the mounting base and rotating shaft. It is used in conjunction with the translation electric push rod to adjust the horizontal position of the scraper. An angle adjustment component connected to the rotating shaft is set on the first moving frame, which can adjust the angle of the rotating shaft, mounting base and scraper, improving the flexibility and adaptability of the scraper during use. The gear and rack transmission is used in conjunction with the angle adjustment electric push rod, which can be adjusted arbitrarily within the adjustment range and ensures the stability after adjustment. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the quantitative structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the scraping structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the angle adjustment component of this utility model.

[0017] In the diagram: 1. Conveyor frame; 2. Roller; 3. Filter cloth; 4. Fixing frame; 5. Baffle; 6. Quantitative structure; 601. Mounting frame; 602. Guide frame; 603. Quantitative plate; 604. Lifting block; 605. Horizontal plate; 606. Servo motor; 607. Lead screw; 7. Scraper structure; 701. Fixing rod; 702. Square hole; 703. First moving frame; 704. Second moving frame; 705. Translation electric push rod; 706. Rotating shaft; 707. Angle adjustment assembly; 7071. Gear; 7072. Support base; 7073. Fixing base; 7074. Angle adjustment electric push rod; 7075. Rack; 708. Mounting base; 709. Scraper; 8. Connecting pipe; 9. Reducer; 10. Motor; 11. Support leg. Detailed Implementation

[0018] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0019] like Figures 1-4 As shown, a belt filter with a scraping structure includes a conveyor frame 1, an inner roller 2, and a filter cloth 3 sleeved on the roller 2. A fixing frame 4 is fixed on the conveyor frame 1, and a baffle 5 is installed on the fixing frame 4. The lower end of the baffle 5 contacts the filter cloth 3. A metering structure 6 is provided on the conveyor frame 1, and a scraping structure 7 is installed at the end of the conveyor frame 1, which contacts the filter cloth 3. A vacuum disc is provided on the conveyor frame 1, and the vacuum disc is located below the upper half of the filter cloth 3. A connecting pipe 8 is provided on the conveyor frame 1, and the connecting pipe 8 is connected to the vacuum disc. A reducer 9 is fixed on the conveyor frame 1, and a motor 10 is installed on the reducer 9. Support legs 11 are provided on the conveyor frame 1, and a discharge hood is provided on the conveyor frame 1 between the fixing frame 4 and the metering structure 6.

[0020] When using a belt filter for solid-liquid separation, the conveyor frame 1 is stably placed by the support legs 11. After connecting the power supply and corresponding pipelines, it is put into use. During operation, after starting the motor 10, the motor 10 drives the roller 2 to rotate slowly through the reducer 9. The roller 2 carries the filter cloth 3, and the solid-liquid mixture falls onto the filter cloth 3 through the discharge hood. The mixture is located between the baffle 5 and the metering structure 6 on the fixed frame 4. The baffle 5 acts as a material stopper, and there is a gap between the lower end of the metering structure 6 and the filter cloth 3, which can achieve the effect of metering. As the filter cloth 3 is conveyed, the solid and liquid are separated. The solid remains on the filter cloth 3, while the liquid falls into the vacuum plate and finally collects in the connecting pipe 8 and enters the corresponding drain separator through the pipeline. The solid moves to the end with the filter cloth 3 and is scraped by the scraping structure 7. This achieves the filtration and separation of the solid-liquid mixture.

[0021] According to the above implementation scheme, the quantitative structure 6 includes a mounting frame 601, a guide frame 602, a quantitative plate 603, a lifting block 604, a horizontal plate 605, a servo motor 606, and a lead screw 607. The mounting frame 601 is fixed on the conveyor frame 1, the guide frame 602 is mounted on the mounting frame 601, the quantitative plate 603 is fixedly connected to the lifting block 604, and the lifting block 604 is sleeved on the guide frame 602. The horizontal plate 605 is connected to the lifting block 604, the servo motor 606 is fixedly connected to the lead screw 607, and the servo motor 606 is mounted on the mounting frame 601. The lead screw 607 passes through the horizontal plate 605, and the upper end of the lead screw 607 is connected to the guide frame 602.

[0022] During the use of the quantitative structure 6, the height of the quantitative plate 603 can be adjusted. The servo motor 606 on the mounting frame 601 is started, and the servo motor 606 drives the lead screw 607 to run, thereby applying a force to the horizontal plate 605. The horizontal plate 605 then applies a force to the lifting block 604, causing the lifting block 604 to move the quantitative plate 603 along the guide frame 602, thereby changing the size of the gap between the quantitative plate 603 and the filter cloth 3. This allows for the adjustment of the conveying volume and provides high flexibility in use.

[0023] According to the above implementation scheme, the scraping structure 7 includes a fixed rod 701, a square hole 702, a first movable frame 703, a second movable frame 704, a translation electric push rod 705, a rotating shaft 706, an angle adjustment component 707, a mounting base 708, and a scraper 709. The square hole 702 is opened on the fixed rod 701, and the fixed rod 701 is fixed to the end of the conveyor frame 1. The first movable frame 703 and the second movable frame 704 are disposed in the square hole 702 on the fixed rod 701. The two translation electric push rods 705 are disposed on the fixed rod 701, and the translation electric push rods 705 are respectively connected to the first movable frame 703 and the second movable frame 704. The rotating shaft 706 is connected to the first movable frame 703 and the second movable frame 704. The angle adjustment component 707 is installed on the first movable frame 703, and the angle adjustment component 707 is connected to the rotating shaft 706. The scraper 709 is fixed on the rotating shaft 706 through the mounting base 708.

[0024] During the use of the scraping structure 7, the scraper 709 installed on the mounting base 708 performs scraping work. If it is necessary to adjust the adhesion force between the scraper 709 and the filter cloth 3, for horizontal adjustment, the translation electric push rod 705 at the end of the fixed rod 701 is activated. Under the action of the two translation electric push rods 705, the first moving frame 703 and the second moving frame 704 move in the square hole 702, thereby moving the rotating shaft 706, the angle adjustment component 707, the mounting base 708 and the scraper 709, thereby changing the adhesion force between the scraper 709 and the filter cloth 3, which can be adjusted according to the actual situation.

[0025] The angle adjustment assembly 707 includes a gear 7071, a support base 7072, a fixed base 7073, an angle adjustment electric push rod 7074, and a rack 7075. The gear 7071 is fixed to the end of the rotating shaft 706. The support base 7072 and the fixed base 7073 are mounted on the first movable frame 703. The angle adjustment electric push rod 7074 is fixed to the fixed base 7073, and the telescopic shaft of the angle adjustment electric push rod 7074 is connected to the rack 7075. The end of the rack 7075 is connected to the support base 7072, and the rack 7075 is meshed with the gear 7071.

[0026] When needed, the angle of the scraper 709 can also be adjusted. To adjust, the angle adjustment electric push rod 7074 on the fixed base 7073 is activated. The telescopic shaft of the angle adjustment electric push rod 7074 moves the rack 7075 on the support base 7072. The movement of the rack 7075 drives the gear 7071 to rotate, thereby rotating the mounting base 708 and the scraper 709 through the rotating shaft 706, thus adjusting the angle of the scraper 709. After the angle is adjusted, it can be used again.

[0027] It should be noted that the quantitative structure 6, driven by a servo motor 606 and a lead screw 607, moves the horizontal plate 605 and the lifting block 604, allowing for height adjustment of the quantitative plate 603 and improving its flexibility and adaptability. The scraping structure 7, with a scraper 709 mounted on the first moving frame 703 and the second moving frame 704 via a mounting base 708 and a rotating shaft 706, works in conjunction with a translation electric push rod 705 to adjust the horizontal position of the scraper 709. An angle adjustment component 707, connected to the rotating shaft 706, is installed on the first moving frame 703, allowing for angle adjustment of the rotating shaft 706, mounting base 708, and scraper 709, further enhancing the flexibility and adaptability of the scraper 709 during use. The transmission is achieved using a gear 7071 and a rack 7075, working in conjunction with an angle adjustment electric push rod 7074, allowing for arbitrary adjustment within the adjustment range while ensuring stability after adjustment.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A belt filter with a scraping structure, comprising a conveyor frame (1), wherein a roller (2) is provided on the inner side of the conveyor frame (1), and a filter cloth (3) is sleeved on the roller (2), a fixing frame (4) is fixed on the conveyor frame (1), and a baffle (5) is installed on the fixing frame (4), the lower end of the baffle (5) contacting the filter cloth (3), characterized in that: The conveyor frame (1) is provided with a quantitative structure (6), and a scraping structure (7) is installed at the end of the conveyor frame (1), which is in contact with the filter cloth (3).

2. A belt filter with a scraping structure according to claim 1, characterized in that: The conveyor frame (1) is provided with a vacuum plate, and the vacuum plate is located below the upper half of the filter cloth (3). The conveyor frame (1) is provided with a connecting pipe (8), and the connecting pipe (8) is connected to the vacuum plate.

3. A belt filter with a scraping structure according to claim 2, characterized in that: A reducer (9) is fixed on the conveyor frame (1), and a motor (10) is provided on the reducer (9). A support leg (11) is provided on the conveyor frame (1), and a discharge cover is provided on the conveyor frame (1) between the fixed frame (4) and the quantitative structure (6).

4. A belt filter with a scraping structure according to claim 3, characterized in that: The quantitative structure (6) includes a mounting frame (601), a guide frame (602), a quantitative plate (603), a lifting block (604), a horizontal plate (605), a servo motor (606), and a lead screw (607). The mounting frame (601) is fixed on the conveyor frame (1). The guide frame (602) is mounted on the mounting frame (601). The quantitative plate (603) is fixedly connected to the lifting block (604), and the lifting block (604) is sleeved on the guide frame (602). The horizontal plate (605) is connected to the lifting block (604). The servo motor (606) is fixedly connected to the lead screw (607), and the servo motor (606) is mounted on the mounting frame (601). The lead screw (607) passes through the horizontal plate (605), and the upper end of the lead screw (607) is connected to the guide frame (602).

5. A belt filter with a scraping structure according to claim 4, characterized in that: The scraping structure (7) includes a fixed rod (701), a square hole (702), a first movable frame (703), a second movable frame (704), a translation electric push rod (705), a rotating shaft (706), an angle adjustment assembly (707), a mounting base (708), and a scraper (709). The square hole (702) is opened on the fixed rod (701), and the fixed rod (701) is fixed to the end of the conveyor frame (1). The first movable frame (703) and the second movable frame (704) are arranged in the square hole (702) on the fixed rod (701). Two translation electric push rods (705) are mounted on a fixed rod (701) and are respectively connected to a first movable frame (703) and a second movable frame (704). The rotating shaft (706) is connected to the first movable frame (703) and the second movable frame (704). The angle adjustment component (707) is mounted on the first movable frame (703) and is connected to the rotating shaft (706). The scraper (709) is fixed to the rotating shaft (706) by a mounting base (708).

6. A belt filter with a scraping structure according to claim 5, characterized in that: The angle adjustment assembly (707) includes a gear (7071), a support base (7072), a fixed base (7073), an angle adjustment electric push rod (7074), and a rack (7075). The gear (7071) is fixed to the end of the rotating shaft (706). The support base (7072) and the fixed base (7073) are mounted on the first movable frame (703). The angle adjustment electric push rod (7074) is fixed to the fixed base (7073), and the telescopic shaft of the angle adjustment electric push rod (7074) is connected to the rack (7075). The end of the rack (7075) is connected to the support base (7072), and the rack (7075) meshes with the gear (7071).

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