A centrifuge scraper

Abstract

The utility model relates to a centrifuge scraper, including a sword pole, the vertical connection in the rotating shaft of sword pole one end and the scraper connected in the sword pole other end, the scraper includes the connecting portion perpendicular connection with the sword pole and is located the wedge scraper blade in the connecting portion one side, be provided with the bristle on the connecting portion, and the bristle extends to the scraper outside to the side away from the rotating shaft, the utility model discloses set up the bristle on the connecting portion of scraper, utilize the bristle to carry out the brush sweep to the inner wall of rotary drum, further reduce the residual material of rotary drum inner wall, when carrying out the cleaning in the rotary drum inner wall, adopt the bristle and carry out the brush sweep simultaneously can remove the residual material of rotary drum inner wall, improve the rotary drum cleaning effect.

Description

Technical Field

[0001] This utility model belongs to the field of centrifuge technology, specifically relating to a centrifuge scraper. Background Technology

[0002] Flat-plate under-discharge centrifuges typically require a scraper to remove the filter cake from the inner wall of the drum. Driven by a rotary drive and a lifting drive, the scraper moves up and down along the inner wall of the drum to scrape off the filter cake layer by layer. However, in actual use, in order to protect the inner wall of the drum or the filter bag from being scratched by the scraper, the scraper blade usually does not directly contact the inner wall of the drum or the filter bag. This results in incomplete scraping, and residue is easily left on the inner wall of the drum during later cleaning. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a centrifuge scraper that solves the problem that incomplete scraping by the scraper leads to filter cake residue on the inner wall of the drum during cleaning, which affects secondary use.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a centrifuge scraper, including a blade, a rotating shaft vertically connected to one end of the blade, and a scraper connected to the other end of the blade. The scraper includes a connecting part vertically connected to the blade and a wedge-shaped scraping blade located on one side of the connecting part. The connecting part is provided with bristles, which extend to the outside of the scraper away from the rotating shaft.

[0005] As a preferred embodiment, the connecting part is provided with a large number of through holes in an array, and a brush plate is connected to the side of the connecting part facing the rotating shaft. The brush bristles are connected to the brush plate, and the brush plate is attached to the connecting part, so that the brush bristles extend through the through holes on the connecting part to the other side of the connecting part. The brush plate and the connecting part are detachably connected.

[0006] As a preferred embodiment, the cutter bar is a channel steel with the opening facing downwards, and the upper end of the brush plate is inserted into the slot of the cutter bar.

[0007] As a preferred embodiment, the scraper extends downward along the axial direction of the rotating shaft, with the lower end of the scraper located below the rotating shaft. A guide section is provided on the side of the scraper away from the scraping blade, and the guide section is inclined towards the rotating shaft.

[0008] As a preferred embodiment, an inner scraper is also provided between the scraper and the rotating shaft. The inner scraper is also fixedly connected to the cutter bar. The lower end of the inner scraper is flush with the lower end of the scraper. The inner scraper is used to scrape the material on the bottom surface of the centrifuge drum toward the discharge port.

[0009] The beneficial effects of this utility model are: by setting bristles on the connecting part of the scraper, the utility model uses the bristles to brush the inner wall of the drum, which further reduces the residual material on the inner wall of the drum. When cleaning the inner wall of the drum, the bristles can remove the residual material on the inner wall of the drum at the same time, thus improving the cleaning effect of the drum. Attached Figure Description

[0010] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the structure of the centrifuge scraper described in this utility model; Figure 2 yes Figure 1 Top view; Figure 3 This is an exploded structural diagram of the scraper and brush plate described in this embodiment; Figures 1-3 In the middle: 1. Tool holder; 2. Rotating shaft; 3. Scraper; 301. Connecting part; 302. Scraper blade; 303. Material guide part; 4. Brush bristles; 5. Through hole; 6. Brush plate; 7. Inner scraper. Detailed Implementation

[0011] The specific implementation scheme of this utility model will now be described in detail with reference to the accompanying drawings.

[0012] like Figures 1-3 The centrifuge scraper shown includes a blade 1, a rotating shaft 2 vertically connected to one end of the blade 1, and a scraper 3 connected to the other end of the blade 1. The scraper 3 includes a connecting part 301 vertically connected to the blade 1 and a wedge-shaped scraping edge 302 located on one side of the connecting part 301. The connecting part 301 is provided with bristles 4, which extend away from the rotating shaft 2 to the outside of the scraper 3. The length of the bristles 4 is set according to actual needs, to ensure that they can brush the inner wall of the centrifuge drum.

[0013] In this embodiment, a large number of through holes 5 are arranged in an array on the connecting part 301. A brush plate 6 is connected to the side of the connecting part 301 facing the rotating shaft 2. The brush bristles 4 are connected to the brush plate 6. The brush plate 6 is attached to the connecting part 301, so that the brush bristles 4 pass through the through holes 5 on the connecting part 301 and extend to the other side of the connecting part 301. The brush plate 6 and the connecting part 301 are detachably connected by screws.

[0014] This connection structure makes it easy to replace the bristles 4. The bristles 4 will wear down after brushing the filter cake for a long time, so they need to be replaced regularly.

[0015] In this embodiment, the blade holder 1 is preferably a channel steel with its opening facing downwards, and the upper end of the brush plate 6 is inserted into the slot of the blade holder 1. Using a channel steel as the blade holder 1 can increase the length of the brush plate 6, expand the brushing range of the bristles, and improve the brushing efficiency.

[0016] In this embodiment, the scraper 3 extends downward along the axial direction of the rotating shaft 2. The lower end of the scraper 3 is located below the rotating shaft 2. A guide part 303 is provided on the side of the scraper 3 away from the scraper blade 302. The guide part 303 is inclined towards the rotating shaft 3 so that the lower edge of the scraper 3 can be used to scrape the inner bottom surface of the drum and scrape the material on the inner bottom surface of the drum towards the central discharge port.

[0017] In this embodiment, an inner scraper 7 is further provided between the scraper 3 and the rotating shaft 2. The inner scraper 7 is also fixedly connected to the cutter bar 1. The lower end of the inner scraper 7 is flush with the lower end of the scraper 3. The inner scraper 7 is used to scrape the material on the inner bottom surface of the centrifuge drum toward the discharge port. As a supplement to the scraper 3, when the scraper 3 is located entirely above the inner bottom surface of the drum, it cannot completely scrape the material on the inner bottom surface of the drum to the discharge port in the center of the drum. The inner scraper 7 is needed to take over. Part of the inner scraper 7 is located on the inner bottom surface of the drum, and part of it extends into the discharge port. The movement trajectory of the inner scraper 7 on the inner bottom surface of the drum partially intersects with the movement trajectory of the scraper 3. In this way, the material on the inner bottom surface of the drum can be completely scraped to the discharge port for discharge.

[0018] The working process of this utility model is as follows: First, the rotating shaft 2 is installed on the centrifuge and connected to the rotation drive device and the lifting drive device. The lifting drive device drives the rotating shaft 2 to rise and fall. Then, the rotation drive device drives the blade 1 to rotate, causing the scraper blade 302 of the scraper 3 to contact the filter cake and scrape it off. Meanwhile, the brush 4 is behind the scraper blade 302, brushing the inner wall of the drum. During scraping, the brush sweeps away some loose filter cake to remove any remaining residue. After scraping, when the centrifuge cleans the inner wall of the drum, the brush 4 repeatedly brushes the inner wall to completely clean away any remaining filter cake and residue. This improves the cleaning efficiency and effect of the inner wall of the drum.

[0019] The rotation drive device and lifting drive device of the scraper are conventional technologies in this field, and will not be described in detail in this embodiment. For reference, please refer to the prior art CN103599855A, which discloses "a scraper discharge centrifuge with scraper rod sheath".

[0020] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some examples of its application, and are not intended to limit the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention.

Claims

1. A centrifuge scraper, comprising a blade (1), a rotating shaft (2) vertically connected to one end of the blade (1), and a scraper (3) connected to the other end of the blade (1), characterized in that, The scraper (3) includes a connecting part (301) that is perpendicularly connected to the blade (1) and a wedge-shaped scraper (302) located on one side of the connecting part (301). The connecting part (301) is provided with bristles (4), which extend to the outside of the scraper (3) away from the rotating shaft (2).

2. The centrifuge scraper according to claim 1, characterized in that, The connecting part (301) is provided with a large number of through holes (5). A brush plate (6) is connected to the side of the connecting part (301) facing the rotating shaft (2). The brush bristles (4) are connected to the brush plate (6). The brush plate (6) is attached to the connecting part (301) so that the brush bristles (4) pass through the through holes (5) on the connecting part (301) and extend to the other side of the connecting part (301). The brush plate (6) is detachably connected to the connecting part (301).

3. The centrifuge scraper according to claim 2, characterized in that, The cutter bar (1) is a channel steel with the opening facing downwards, and the upper end of the brush plate (6) is inserted into the slot of the cutter bar (1).

4. The centrifuge scraper according to claim 3, characterized in that, The scraper (3) extends downward along the axis of the rotating shaft (2), with the lower end of the scraper (3) located below the rotating shaft (2). A guide part (303) is provided on the side of the scraper (3) away from the scraper blade (302), and the guide part (303) is inclined towards the rotating shaft (2).

5. The centrifuge scraper according to claim 4, characterized in that, An inner scraper (7) is also provided between the scraper (3) and the rotating shaft (2). The inner scraper (7) is also fixedly connected to the knife bar (1). The lower end of the inner scraper (7) is flush with the lower end of the scraper (3). The inner scraper (7) is used to scrape the material on the bottom surface of the centrifuge drum toward the discharge port.

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