Crushing device for nickel nitrate preparation

Abstract

The utility model discloses a crushing device for preparing nickel nitrate, which comprises a crushing box, a power motor, a feed hopper, a rotating shaft, a powder pressing device and a chopping device, the rotating shaft is movably connected to the crushing box, one end of the rotating shaft is connected with a power rod of the power motor, the power motor is arranged on the crushing box, the powder pressing device and the chopping device are arranged on the rotating shaft, and the feed hopper is arranged on the rotating shaft. The feeding hopper is arranged on the crushing box; the shredding device comprises a fixing frame, an annular material cutting plate, an impact plate and scrapers, the annular material cutting plate is connected to the rotating shaft through the fixing frame, a plurality of L-shaped cutter grooves are evenly formed in the outer wall of the annular material cutting plate, and the scrapers are installed on the L-shaped cutter grooves; the crushing device for nickel nitrate preparation is simple in structure, convenient to use and practical, nickel nitrate crystal blocks are crushed in advance through the chopping device, then the nickel nitrate crystal blocks are quickly crushed through the compression roller, and the purpose of quickly crushing the crystal blocks is achieved.

Description

Technical Field

[0001] This utility model belongs to the field of crushing technology, specifically relating to a crushing device for the preparation of nickel nitrate. Background Technology

[0002] Nickel nitrate is typically prepared in two ways across various fields: First, nickel plates react with concentrated nitric acid, followed by dilution, acidity adjustment, settling, filtration, acidification of the filtrate, vacuum evaporation and concentration, cooling crystallization, centrifugal separation, and crushing to obtain the final product. Second, crushers are commonly used to grind nickel nitrate crystals. The fragility of the crystals during crushing generates a large amount of fragments of varying sizes, requiring the equipment to quickly separate these fragments and screen out the qualified ones. Traditional impact crushers crush the crystals by impact, causing them to fall onto a screen to be screened for the appropriate particle size. However, heavier and lighter crystals fall more slowly, pre-clogging the screen and making it difficult to remove the qualified crystals, leading to blockages. The faster the material is crushed, the more severe the blockage. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a crushing device for the preparation of nickel nitrate. It has a simple structure and is convenient and practical. The nickel nitrate crystal block is pre-crushed by the crushing device and then rapidly crushed by the pressure roller to achieve the purpose of rapid crushing of the crystal block.

[0004] A crushing device for nickel nitrate preparation includes a crushing box, a power motor, a feeding hopper, a rotating shaft, a powder pressing device, and a chopping device. The rotating shaft is movably connected to the crushing box and one end is connected to the power rod of the power motor. The power motor is mounted on the crushing box. The powder pressing device and the chopping device are mounted on the rotating shaft. The feeding hopper is located on the crushing box. The chopping device includes a fixed frame, an annular cutting plate, an impact plate, and a scraper. The annular cutting plate is connected to the rotating shaft through the fixed frame. The outer wall of the annular cutting plate is uniformly provided with a plurality of L-shaped grooves, and the scraper is mounted on the L-shaped grooves.

[0005] Preferably, the powder pressing device includes an annular rotating frame, an L-shaped rolling frame, a pressure roller, a feeding plate, and a screening device. The annular rotating frame is mounted on a rotating shaft, the screening device is connected to the bottom of the crushing box and is movably connected to the rotating shaft, several L-shaped rolling frames are connected at one end to the annular rotating frame and at the other end to a fixed frame and arranged around the rotating shaft, the pressure roller is connected to the L-shaped rolling frame and cooperates with the screening device, and one end of the feeding plate is connected to the annular rotating frame and cooperates with the screening device.

[0006] Preferably, the screening device includes a screening seat and a conical annular screen. The screening seat has an annular groove that cooperates with the pressure roller. The screening seat has a conical annular screen groove close to the annular groove. The conical annular screen is installed in the conical annular screen groove. A plurality of guide holes are evenly provided in the conical annular screen groove. A V-shaped guide section is provided between adjacent guide holes.

[0007] Preferably, a silicone scraper layer is sintered on the side of the feed plate closest to the screening device.

[0008] Preferably, the impact plate has an inclined groove.

[0009] Beneficial effects:

[0010] (1) The present invention provides a crushing device for preparing nickel nitrate, which is simple in structure and convenient to use. The nickel nitrate crystal block is pre-crushed by the crushing device and then rapidly crushed by the pressure roller to achieve the purpose of rapidly crushing the crystal block.

[0011] (2) The present invention provides a crushing device for preparing nickel nitrate, which uses a feeding plate to drive the crushed crystals in the annular groove to the conical annular screen for screening, so that the crystal blocks of different sizes can be quickly screened and discharged, while avoiding the situation where large crystal blocks are blocked in the conical annular screen. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the crushing device;

[0013] Figure 2 This is a schematic diagram of the structure of the annular cutting plate;

[0014] Figure 3 This is a schematic diagram of the screening device;

[0015] 1-Grinding box, 2-Power motor, 3-Feed hopper, 4-Rotating shaft, 5-Powder pressing device, 51-Annular rotating frame, 52-L-shaped rolling frame, 53-Pressure roller, 54-Feeding plate, 55-Screwing device, 56-Screwing seat, 57-Annular arc groove, 58-Conical annular screen groove, 59-Guide hole, 510-V-shaped guide section, 511-Conical annular screen, 6-Chopping device, 61-Fixing frame, 62-Annular cutting plate, 63-Impact plate, 64-L-shaped knife groove, 65-Scraper. Detailed Implementation

[0016] The embodiments of this utility model are further described below with reference to the accompanying drawings.

[0017] Example 1

[0018] like Figure 1As shown; a crushing device for nickel nitrate preparation includes a crushing box 1, a power motor 2, a feed hopper 3, a rotating shaft 4, a powder pressing device 5, and a chopping device 6. The rotating shaft 4 is movably connected to the crushing box 1 and one end is connected to the power rod of the power motor 2. The power motor 2 is mounted on the crushing box 1. The powder pressing device 5 and the chopping device 6 are mounted on the rotating shaft 4. The feed hopper 3 is located on the crushing box 1. The chopping device 6 includes a fixing frame 61, an annular cutting plate 62, an impact plate 63, and a scraper 65. The annular cutting plate 62 is connected to the rotating shaft 4 through the fixing frame 61. The outer wall of the annular cutting plate 62 is evenly provided with a plurality of L-shaped grooves 64, and the scraper 65 is mounted on the L-shaped grooves 64. The powder pressing device 5 includes an annular rotating frame 51, an L-shaped rolling frame 52, a pressure roller 53, a feeding plate 54, and a screening device 55. The annular rotating frame 51 is mounted on the rotating shaft 4, and the screening device 55 is connected to the bottom of the crushing box 1. Furthermore, several L-shaped roller frames 52 are movably connected to the rotating shaft 4. One end of each L-shaped roller frame 52 is connected to the annular rotating frame 51, and the other end is connected to the fixed frame 61 and arranged around the rotating shaft 4. The pressure roller 53 is connected to the L-shaped roller frame 52 and cooperates with the screening device 55. One end of the feed plate 54 is connected to the annular rotating frame 51 and cooperates with the screening device 55. The screening device 55 includes a screening seat 56 and a conical annular screen 511. The screening seat 56 has openings for connection with the pressure roller 53. The screen base 56 has a conical annular screen groove 58 that is close to the annular arc groove 57. The conical annular screen 511 is installed in the conical annular screen groove 58. A plurality of material guide holes 59 are evenly opened in the conical annular screen groove 58. A V-shaped material guide part 510 is provided between adjacent material guide holes 59. The feeding plate 54 has a silicone scraping layer sintered on the side near the screening device 55. The impact plate 63 has an inclined groove.

[0019] The rotating shaft 4 is driven by the power motor 2, which in turn drives the annular rotating frame 51 and the fixed frame 61 to rotate. The fixed frame 61 drives the annular cutting plate 62 to rotate, and the scraper 65 on the annular cutting plate 62 scrapes and crushes the product. Meanwhile, the annular rotating frame 51 and the fixed frame 61 synchronously drive the L-shaped rolling frame 52 to rotate around the rotating shaft 4 and roll along the annular arc groove 57. At the same time, the annular rotating frame 51 drives the feeding plate 54 to rotate around the rotating shaft 4 in the annular arc groove 57. Nickel nitrate crystal blocks are fed into the feed hopper 3 and then scraped and crushed by the scraper 65, undergoing preliminary crushing. The nickel nitrate crystals are carried by the scraper 65 to the space between the annular cutting plate 62 and the impact plate 63. The larger nickel nitrate crystals collide and crush each other and fall downwards. The nickel nitrate crystals fall onto the conical annular screen 511 for preliminary screening. The screened nickel nitrate crystals slide into the annular arc groove 57 and are crushed by the pressure roller 53. Then, the nickel nitrate crystals in the annular arc groove 57 are driven by the feed plate 54 onto the conical annular screen 511 for screening again, thus achieving the purpose of cyclic crushing and screening. The nickel nitrate crystals with qualified particle size are discharged through the feed hole 59.

[0020] The specific embodiments of this utility model have been described in detail above, but they are merely examples, and this utility model is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions to this utility model are also within the scope of this utility model. Therefore, all equivalent changes and modifications made without departing from the spirit and scope of this utility model are covered within the scope of this utility model.

Claims

1. A crushing device for preparing nickel nitrate, characterized in that: The device includes a crushing box (1), a power motor (2), a feeding hopper (3), a rotating shaft (4), a powder pressing device (5), and a shredding device (6). The rotating shaft (4) is movably connected to the crushing box (1) and one end is connected to the power rod of the power motor (2). The power motor (2) is installed on the crushing box (1). The powder pressing device (5) and the shredding device (6) are installed on the rotating shaft (4). The feeding hopper (3) is located on the crushing box (1). The shredding device (6) includes a fixing frame (61), an annular cutting plate (62), an impact plate (63), and a scraper (65). The annular cutting plate (62) is connected to the rotating shaft (4) through the fixing frame (61). The outer wall of the annular cutting plate (62) is evenly provided with several L-shaped knife grooves (64). The scraper (65) is installed on the L-shaped knife grooves (64).

2. The crushing device for preparing nickel nitrate as described in claim 1, characterized in that: The powder pressing device (5) includes an annular rotating frame (51), an L-shaped rolling frame (52), a pressure roller (53), a feeding plate (54), and a screening device (55). The annular rotating frame (51) is mounted on a rotating shaft (4). The screening device (55) is connected to the bottom of the crushing box (1) and is movably connected to the rotating shaft (4). Several L-shaped rolling frames (52) are connected at one end to the annular rotating frame (51) and at the other end to a fixed frame (61) and arranged around the rotating shaft (4). The pressure roller (53) is connected to the L-shaped rolling frame (52) and cooperates with the screening device (55). One end of the feeding plate (54) is connected to the annular rotating frame (51) and cooperates with the screening device (55).

3. The crushing device for preparing nickel nitrate as described in claim 2, characterized in that: The screening device (55) includes a screening seat (56) and a conical annular screen (511). The screening seat (56) has an annular groove (57) that cooperates with the pressure roller (53). The screening seat (56) has a conical annular screen groove (58) close to the annular groove (57). The conical annular screen (511) is installed in the conical annular screen groove (58). A plurality of guide holes (59) are evenly provided in the conical annular screen groove (58). A V-shaped guide part (510) is provided between adjacent guide holes (59).

4. The crushing device for preparing nickel nitrate as described in claim 3, characterized in that: The feeding plate (54) has a silicone scraping layer sintered on the side near the screening device (55).

5. The crushing device for preparing nickel nitrate as described in claim 4, characterized in that: The impact plate (63) has an inclined groove.

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