Belt type vacuum filter

Abstract

The utility model relates to the technical field of vacuum filters, in particular to a belt type vacuum filter, which comprises a filter conveying belt main body, a support and a vacuum device, the support is provided with a mounting frame, the mounting frame is provided with a mounting seat, the mounting seat is detachably connected with a scraper blade matched with the filter conveying belt main body, and the scraper blade is detachably connected with the vacuum device. The mounting seat is connected with the mounting frame through an adjusting assembly; an inserting groove matched with the scraping plate is formed in the mounting base, a first spring is arranged in the inserting groove, the scraping plate is connected with the inserting groove in an inserted mode, the scraping plate is preliminarily fixed through the inserting groove, the scraping plate is further fixed through cooperation of a limiting block and a limiting groove, and the scraping plate is prevented from falling off; and the hand-screwing bolt is rotated to drive the limiting block to move and is separated from the limiting groove, so that the scraper can be taken down for replacement, and more convenience is achieved.

Description

Technical Field

[0001] This utility model relates to the field of vacuum filter technology, and in particular to a belt vacuum filter. Background Technology

[0002] In the process of mineral sand processing, moisture removal is a critical step, as excessive moisture can affect subsequent processing procedures and product quality. Mineral sand is usually produced in a humid environment and contains a certain proportion of moisture. In subsequent smelting, extraction and transportation processes, excessive moisture content may lead to increased energy consumption, reduced material flowability, and even affect the purity and stability of the final product. Therefore, effective dehydration is an important part of mineral sand processing. Belt vacuum filters, as a highly efficient dehydration device, are widely used in mineral sand processing and other industrial fields.

[0003] In order to compress thicker filter cakes, existing belt vacuum filters are equipped with a drive device that works with a compression roller to compress and dewater the filter cake. For example, Chinese Patent Publication No. CN210331894U discloses "a belt vacuum filter". The slurry to be dewatered is evenly coated on the filter cloth on the conveyor belt. When it passes the front end of the effective working section of the filter body, most of the gravitational water is removed by vacuum negative pressure to form a filter cake. Then the filter cake continues to enter the rear end of the effective working section. At this time, the filter cake compression device compresses the filter cake through the compression roller during the movement of the filter cake, removing the capillary water and weakly bound water. This achieves the purpose of improving the dewatering effect while ensuring the continuous and efficient dewatering characteristics of the vacuum filter, and is both operable and economical.

[0004] In actual use, once the moisture content reaches the required level, the filter cake moves to the discharge end of the belt vacuum filter. It is then peeled off by the unloading scraper and enters the next process. However, the unloading scraper itself will wear down as the usage time increases, and it needs to be replaced. Replacing it is difficult, which increases the maintenance time of the filter and reduces the filtration efficiency. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies, such as the difficulty in replacing the unloading scraper, which reduces filtration efficiency, and to propose a belt vacuum filter.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a belt vacuum filter, including a filter conveyor belt body, a support frame and a vacuum device. The vacuum device is mounted on the support frame and connected to the filter conveyor belt body through a connecting pipe. The support frame is provided with a mounting bracket and a mounting seat is provided on the mounting bracket. A scraper that cooperates with the filter conveyor belt body is detachably connected to the mounting seat. The mounting seat and the mounting bracket are connected by an adjustment component.

[0008] The mounting base has a slot that mates with the scraper. A first spring is installed in the slot. The scraper is inserted into the slot, and the first spring abuts against the scraper.

[0009] Furthermore, limiting grooves are provided on both sides of the scraper, and a limiting block that mates with the limiting groove is movably inserted into the mounting base. A hand-tightening bolt is threaded onto the mounting base, and the hand-tightening bolt is rotatably connected to the limiting block.

[0010] Furthermore, both the limiting groove and the limiting block are provided with inclined surfaces, the two inclined surfaces are in contact with each other, and a guide plate is fixedly provided on the scraper.

[0011] Furthermore, both ends of the mounting base are provided with rotating shafts, the adjustment assembly includes a connecting groove formed on the mounting frame that mates with the rotating shaft, an adjustment component is fixedly provided on the rotating shaft, an adjustment cavity is formed inside the mounting base, and a fixing component that mates with the adjustment component is provided inside the adjustment cavity.

[0012] Furthermore, the adjusting member is provided with multiple slots, the fixing member is fixedly provided with a plug-in part that cooperates with the slots, and a second spring is provided between the fixing member and the adjusting cavity.

[0013] Furthermore, each of the fixing members is rotatably provided with a connecting rod, and a pressing member is movably inserted into the mounting bracket, the pressing member being rotatably connected to the two connecting rods.

[0014] The belt vacuum filter proposed in this utility model has the following advantages:

[0015] In this utility model, the scraper is initially fixed by the slot, and further fixed by the cooperation of the limiting block and the limiting groove to prevent the scraper from falling off. When the scraper is removed and replaced, the hand-tightening bolt is rotated to move the limiting block and separate it from the limiting groove so that the scraper can be removed and replaced. This is more convenient, reduces maintenance time, and thus reduces the impact on filtration efficiency.

[0016] Secondly, in this invention, when the scraper is worn relatively evenly, the limit block can be moved by rotating the hand-tightening bolt, and the position of the limit block in contact with the limit groove can be adjusted to control the length of the scraper pushed out by the first spring, thereby compensating for the worn part and avoiding replacement to reduce wear costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a belt vacuum filter proposed in this utility model;

[0018] Figure 2 This is a schematic diagram of the mounting bracket of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the mounting base of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the rotating shaft of this utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the adjusting component of this utility model.

[0022] In the diagram: 1. Filter conveyor belt body; 2. Support frame; 3. Vacuum device; 31. Connecting pipe; 4. Mounting bracket; 5. Mounting base; 51. Slot; 52. First spring; 53. Rotating shaft; 6. Scraper; 61. Limiting groove; 62. Limiting block; 63. Hand-tightening bolt; 7. Adjusting assembly; 71. Connecting groove; 72. Adjusting component; 721. Slot; 73. Adjusting cavity; 74. Fixing component; 741. Insertion part; 742. Second spring; 743. Connecting rod; 744. Pressing component. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Reference Figure 1-5 A belt vacuum filter includes a filter conveyor belt body 1, a support 2, and a vacuum device 3. The vacuum device 3 is mounted on the support 2 and connected to the filter conveyor belt body 1 through a connecting pipe 31. The support 2 is provided with a mounting frame 4, and the mounting frame 4 is provided with a mounting seat 5. A scraper 6 that cooperates with the filter conveyor belt body 1 is detachably connected to the mounting seat 5. The mounting seat 5 and the mounting frame 4 are connected through an adjusting component 7.

[0025] The mounting base 5 has a slot 51 that mates with the scraper 6. A first spring 52 is installed in the slot 51. The scraper 6 is inserted into the slot 51, and the first spring 52 abuts against the scraper 6.

[0026] In this utility model, the scraper 6 is initially fixed by opening a slot 51 on the mounting base 5, and the scraper 6 is kept in an extended state by setting a first spring 52, so as to contact the filter cloth on the filter conveyor belt body 1 and increase the scraping effect.

[0027] Furthermore, in this embodiment, limiting grooves 61 are provided on both sides of the scraper 6, and a limiting block 62 that cooperates with the limiting groove 61 is movably inserted into the mounting base 5. A hand-tightening bolt 63 is threadedly connected to the mounting base 5. The hand-tightening bolt 63 is rotatably connected to the limiting block 62. When the hand-tightening bolt 63 rotates, the limiting block 62 will not rotate with it. However, when the position of the hand-tightening bolt 63 changes, the position of the limiting block 62 will change accordingly. The scraper 6 is further fixed by the cooperation between the limiting block 62 and the limiting groove 61 to prevent the scraper 6 from falling off.

[0028] Furthermore, in this embodiment, both the limiting groove 61 and the limiting block 62 are provided with inclined surfaces, and the two inclined surfaces are in contact with each other. A guide plate is fixedly provided on the scraper 6. By rotating the hand-tightening bolt 63, the limiting block 62 is moved, and the position of the limiting block 62 in contact with the limiting groove 61 is adjusted. This controls the length of the scraper 6 pushed out by the first spring 52, thereby compensating for the worn part and avoiding replacement to reduce wear costs.

[0029] It should be noted that in this embodiment, both ends of the mounting base 5 are provided with rotating shafts 53. The adjustment component 7 includes a connecting groove 71 opened on the mounting frame 4 to cooperate with the rotating shaft 53. An adjustment component 72 is fixedly installed on the rotating shaft 53. An adjustment cavity 73 is opened in the mounting base 5. A fixing component 74 that cooperates with the adjustment component 72 is provided in the adjustment cavity 73. By cooperating with the adjustment component 72, the adjustment component 72 and the rotating shaft 53 are fixed, thereby fixing the angle of the mounting base 5 and the scraper 6, so that the angle of the scraper 6 can be adjusted according to the requirements.

[0030] Furthermore, in this embodiment, the adjusting member 72 is provided with multiple slots 721, and the fixing member 74 is fixedly provided with a plug-in part 741 that cooperates with the slots 721. A second spring 742 is provided between the fixing member 74 and the adjusting cavity 73. The adjusting member 72 is fixed by plugging the plug-in part 741 into the slots 721 to prevent it from rotating and causing the angle of the scraper 6 to change, thus making it more secure.

[0031] More specifically, in this embodiment, each fixing member 74 is rotatably provided with a connecting rod 743, and a pressing member 744 is movably inserted into the mounting bracket 4. The pressing member 744 is rotatably connected to the two connecting rods 743. By applying force to the pressing member 744 to push it to move, the connecting rods 743 are pushed to move. The connecting rods 743 drive the fixing member 74 to move, thereby controlling the position of the fixing member 74 and the insertion part 741, and fixing or unfixing the adjusting member 72.

[0032] Working method: During operation, the scraper 6 is initially fixed by opening a slot 51 on the mounting base 5, and the scraper 6 is kept in an extended state by setting a first spring 52. The scraper 6 is further fixed by the cooperation of the limiting block 62 and the limiting groove 61 to prevent the scraper 6 from falling off, and also to prevent the scraper 6 from extending too far, which would cause the filter cloth and the scraper 6 to wear faster.

[0033] By applying force to the pressing member 744 to push it to move, the connecting rod 743 is pushed to move. The connecting rod 743 drives the fixing member 74 to move, thereby controlling the position of the fixing member 74 and the insertion part 741, fixing or unfixing the adjusting member 72, and fixing the angle of the mounting base 5 and the scraper 6, so that the angle of the scraper 6 can be adjusted according to the requirements.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A belt vacuum filter, comprising a filter conveyor belt body (1), a support frame (2), and a vacuum device (3), characterized in that, The vacuum device (3) is mounted on the bracket (2) and connected to the filter conveyor belt body (1) via a connecting pipe (31). The bracket (2) is provided with a mounting frame (4), and the mounting frame (4) is provided with a mounting seat (5). The mounting seat (5) is detachably connected with a scraper (6) that cooperates with the filter conveyor belt body (1). The mounting seat (5) and the mounting frame (4) are connected via an adjustment component (7). The mounting base (5) has a slot (51) that cooperates with the scraper (6). A first spring (52) is provided in the slot (51). The scraper (6) is inserted into the slot (51), and the first spring (52) abuts against the scraper (6).

2. The belt vacuum filter according to claim 1, characterized in that: The scraper (6) has a limiting groove (61) on both sides. A limiting block (62) that cooperates with the limiting groove (61) is movably inserted into the mounting base (5). A hand-tightening bolt (63) is threaded on the mounting base (5). The hand-tightening bolt (63) is rotatably connected to the limiting block (62).

3. A belt vacuum filter according to claim 2, characterized in that: Both the limiting groove (61) and the limiting block (62) are provided with inclined surfaces, the two inclined surfaces are in contact with each other, and a guide plate is fixedly provided on the scraper (6).

4. A belt vacuum filter according to claim 1, characterized in that: The mounting base (5) has a rotating shaft (53) at both ends. The adjustment component (7) includes a connecting groove (71) on the mounting frame (4) that cooperates with the rotating shaft (53). An adjustment component (72) is fixedly installed on the rotating shaft (53). An adjustment cavity (73) is opened in the mounting base (5). A fixing component (74) that cooperates with the adjustment component (72) is installed in the adjustment cavity (73).

5. A belt vacuum filter according to claim 4, characterized in that: The adjusting member (72) is provided with a plurality of slots (721), and the fixing member (74) is fixedly provided with a plug-in part (741) that cooperates with the slots (721). A second spring (742) is provided between the fixing member (74) and the adjusting cavity (73).

6. A belt vacuum filter according to claim 5, characterized in that: Each of the fixing members (74) is rotatably provided with a connecting rod (743), and a pressing member (744) is movably inserted into the mounting bracket (4). The pressing member (744) is rotatably connected to the two connecting rods (743).

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