A pulverizing disc assembly and a cryogenic pulverizer

Abstract

A kind of pulverization disc assembly, including disc body, the disc body surface is provided with multiple groups of annular arrangement of breaking roller group, and the breaking roller of each breaking roller group is equidistantly arranged along its periphery line;The gap between adjacent two groups of the breaking roller group is same, and the gap can be inserted into the breaking roller group on another disc body.The utility model discloses a kind of frozen pulverizer.The relative rotation of the breaking roller of staggered arrangement is controlled, and the material into the pulverization cavity is repeatedly kneaded and crushed to be broken, not only broken effect is good, and relative energy consumption is lower, equipment is not easy to wear.

Description

Technical Field

[0001] This utility model relates to a crushing disc assembly and a cryogenic crusher, belonging to the field of material crushing technology. Background Technology

[0002] In the field of material crushing, cryogenic crushing is a commonly used crushing method. It usually uses liquid nitrogen to rapidly freeze and cool the material, which rapidly increases its hardness and brittleness while rapidly reducing its toughness. Only a small shear force is needed to effectively crush the material, which is very beneficial for crushing.

[0003] However, existing cryogenic pulverizers typically involve feeding materials frozen with liquid nitrogen into conventional pulverizing equipment, where repeated collisions and impacts from pulverizing hammers complete the pulverization process. This method requires the pulverizing hammers to be constantly rotating at high speed, resulting in relatively high energy consumption, and the hammers are also easily damaged and require frequent replacement. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a crushing disc assembly and a cryogenic crusher. By controlling the relative rotation of the staggered crushing rollers, the material entering the crushing chamber is repeatedly kneaded and squeezed to crush it. This not only has a good crushing effect, but also relatively low energy consumption and the equipment is not easily worn out.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A crushing disc assembly includes a disc body, on the surface of which are arranged multiple sets of crushing rollers in a ring. The crushing rollers of each set are equally spaced along their circumference. The gap between two adjacent sets of crushing rollers is the same, and the gap allows a crushing roller set on another disc body to be inserted.

[0006] The aforementioned crushing disc assembly is characterized in that: the surface of the disc body is provided with a plurality of annular grooves, and annular protrusions are formed between adjacent annular grooves, and the crushing roller is disposed in the annular grooves.

[0007] The aforementioned crushing disc assembly is characterized in that: a plurality of through holes for the crushing roller to be inserted are provided at equal intervals along the circumference of the annular groove, and a bottom plate for covering the through holes is provided on the bottom surface of the disc body.

[0008] A cryogenic pulverizer includes the aforementioned pulverizing disc assembly and a pulverizing chamber. Pulverizing disc assemblies are provided on both sides of the pulverizing chamber, and the crushing roller group on the disc is inserted into the gap between two adjacent crushing roller groups on the second disc, and the crushing roller group on the second disc is inserted into the gap between two adjacent crushing roller groups on the disc. The two pulverizing disc assemblies are driven by a first motor and a second motor, respectively.

[0009] The aforementioned cryogenic pulverizer is characterized in that: the pulverizing disc assembly is respectively sealed to two sides of the pulverizing chamber by cover plates, one of which is provided with a feed inlet.

[0010] The aforementioned cryogenic pulverizer is characterized in that: a feeding opening is provided at the center of the pulverizing disc assembly located on the side where the feeding port is located, a hollow connecting frame is detachably connected to the feeding opening, and a connecting part connected to the rotating shaft is provided at the rear end of the hollow connecting frame. The first motor drives the hollow connecting frame to rotate through the rotating shaft, and the disc of the pulverizing disc assembly on the other side is directly driven by the rotating shaft and the second motor.

[0011] The aforementioned cryogenic pulverizer is characterized in that: the front end of the hollow connecting frame is a cross-shaped frame structure that is inserted into the feed opening, and the feed port can communicate with the cavity of the cross-shaped frame.

[0012] The aforementioned cryogenic pulverizer is characterized in that: a discharge port is provided at the bottom of the pulverizing chamber.

[0013] The beneficial effects of this utility model are: 1. By setting multiple sets of crushing rollers at intervals on the disc body of the crushing disc assembly, and by controlling the rotation of two oppositely set crushing disc assemblies, the material entering the crushing chamber is repeatedly kneaded and crushed by controlling the staggered crushing rollers. This not only results in good crushing effect, but also makes the crushing rollers less prone to damage. 2. The crushing roller is connected to the disc body by inserting it, which not only makes assembly simple, but also makes replacement relatively easy. Attached Figure Description

[0014] Figure 1 This is a front view of the disc body of the shredder assembly of this utility model; Figure 2 This is a front view of the shredder assembly of this utility model; Figure 3 This is a rear view of the shredder assembly of this utility model; Figure 4 This is a front view of the cryogenic pulverizer of this utility model; Figure 5 This is a front view of the cryogenic pulverizer of this utility model; Figure 6 yes Figure 5 AA section view; Figure 7 This is a top view of the cryogenic pulverizer of this utility model; Figure 8 This is a front view of the connection between one of the discs and the hollow connecting frame of the freeze pulverizer of this utility model; Figure 9This is a rear view of the connection between one of the discs and the hollow connecting frame of the freeze pulverizer of this utility model. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0016] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0017] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0018] like Figure 1-3 As shown, the present invention provides a crushing disc assembly, including a disc body 10. The surface of the disc body 10 is provided with multiple sets of crushing rollers arranged in a ring. The crushing rollers 14 of each set of crushing rollers are arranged at equal intervals along their respective circumferences. The gap between two adjacent sets of crushing rollers is the same, and the gap allows a crushing roller set on another disc body to be inserted.

[0019] In actual use, two crushing disc assemblies are used as a set. It should be noted that the crushing roller groups on the disc body of the crushing disc assembly are arranged in an alternating manner. When the two are assembled, the crushing roller group on one disc body can be inserted into the gap between the two crushing roller groups on the other disc body, forming an alternating structure.

[0020] To achieve better crushing results, the surface of the disc 10 is provided with multiple annular grooves 11, and annular protrusions 12 are formed between adjacent annular grooves 11. The crushing roller 14 is disposed within the annular grooves 11. After the two sets of crushing disc assemblies are assembled, the top of the crushing roller 14 is precisely positioned at the protrusion 12 of the other disc 10. This means that during the process of the material being kneaded and crushed between the two discs by the crushing roller 14 until it leaves the edge, it needs to repeatedly pass through the annular grooves 11 and protrusions 12, thus greatly delaying the time the material stays between the two discs 10, meaning the material undergoes thorough kneading and crushing between the two discs 10. It should be noted that the gaps between adjacent crushing tubes 14, the gaps between crushing roller sets, and the gaps between the crushing roller 14 and the protrusions 12 can all be set according to the required fineness of the crushing.

[0021] The annular groove 11 has multiple through holes 13 evenly spaced along its circumference for the crushing roller 14 to be inserted into. The bottom surface of the disc 10 is provided with a base plate 15 for covering the through holes 13. The crushing roller 14 is assembled by inserting it into the through holes 13 and defining its position with the base plate 15. This not only simplifies the assembly process but also simplifies the processing of the disc 10 and the crushing roller 14, which helps reduce costs and allows for faster replacement of the crushing roller 14 in the future.

[0022] like Figure 4-9 As shown, this utility model also provides a cryogenic pulverizer, including the aforementioned pulverizing disc assembly and a pulverizing chamber 1. Pulverizing disc assemblies are provided on both sides of the pulverizing chamber 1, and the crushing roller group on the disc 10 is inserted into the gap between two adjacent crushing roller groups on the second disc, and the crushing roller group on the second disc is inserted into the gap between two adjacent crushing roller groups on the disc 10. The two pulverizing disc assemblies are driven by a first motor 4 and a second motor 5, respectively.

[0023] The first motor 4 and the second motor 5 drive the two crushing disc assemblies to rotate in opposite directions, thereby crushing the material entering the crushing chamber 1. The crushing disc assemblies are respectively sealed to the two sides of the crushing chamber 1 by cover plates 2, one of which is provided with a feed inlet 3.

[0024] In this embodiment, the crushing disc assembly located on the side of the feed inlet 3 has a feed opening at its center. A hollow connecting frame 20 is detachably connected to the feed opening. The rear end of the hollow connecting frame 20 has a connecting part connected to a rotating shaft. The first motor 4 drives the hollow connecting frame 20 to rotate via the rotating shaft. The crushing disc assembly on the other side is directly driven by the rotating shaft and the second motor 5. After the material is fed into the feed inlet 3, it passes through the hollow connecting frame 2 and the feed opening and enters the two crushing disc assemblies for crushing. To allow the material to enter between the two crushing disc assemblies more quickly, the front end of the hollow connecting frame 20 is a cross-shaped frame structure that inserts into the feed opening. The feed inlet 3 can communicate with the cavity 21 of the cross-shaped frame, allowing the material to enter through the cavity 21.

[0025] The bottom of the crushing chamber 1 is provided with a discharge port 6. The crushed material moves towards the edge of the disc under its own gravity and a certain centrifugal force. During the movement, it is gradually crushed and leaves the crushing disc assembly to enter the crushing chamber 1, and is discharged from the discharge port 6 at the bottom.

[0026] In summary, the crushing disc assembly and cryogenic crusher provided by this utility model, by controlling the relative rotation of the staggered crushing rollers, repeatedly knead and squeeze the material entering the crushing chamber to crush it. This not only has a good crushing effect, but also relatively low energy consumption and the equipment is not easily worn out.

[0027] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A shredder assembly, characterized in that: Includes a disc body (10), the surface of which is provided with multiple sets of crushing rollers arranged in a ring, and the crushing rollers (14) of each set of crushing rollers are arranged at equal intervals along their respective circumferences; the gap between two adjacent sets of crushing rollers is the same, and the gap allows a crushing roller set on another disc body to be inserted.

2. The shredder assembly according to claim 1, characterized in that: The surface of the disc (10) is provided with a plurality of annular grooves (11), and annular protrusions (12) are formed between adjacent annular grooves (11). The crushing roller (14) is disposed in the annular grooves (11).

3. A shredder assembly according to claim 2, characterized in that: The annular groove (11) is provided with a plurality of through holes (13) at equal intervals along its circumference for the crushing roller (14) to be inserted, and the bottom surface of the disc (10) is provided with a bottom plate (15) for covering the through holes (13).

4. A cryogenic pulverizer, characterized in that: The device includes the crushing disc assembly as described in any one of claims 1-3, and further includes a crushing chamber (1). Both sides of the crushing chamber (1) are provided with crushing disc assemblies, and the crushing roller group on the disc (10) is inserted into the gap between two adjacent crushing roller groups of the second disc, and the crushing roller group of the second disc is inserted into the gap between two adjacent crushing roller groups of the disc (10). The two crushing disc assemblies are driven by a first motor (4) and a second motor (5), respectively.

5. A cryogenic pulverizer according to claim 4, characterized in that: The crushing disc assembly is sealed to the two sides of the crushing chamber (1) by cover plates (2), and one of the cover plates (2) is provided with a feed inlet (3).

6. A cryogenic pulverizer according to claim 5, characterized in that: The crushing disc assembly located on the side of the feed inlet (3) has a feed opening at the center of the disc body. A hollow connecting frame (20) is detachably connected to the feed opening. The rear end of the hollow connecting frame (20) is provided with a connecting part connected to the rotating shaft. The first motor (4) drives the hollow connecting frame (20) to rotate through the rotating shaft. The disc body of the crushing disc assembly on the other side is directly driven by the rotating shaft and the second motor (5).

7. A cryogenic pulverizer according to claim 6, characterized in that: The front end of the hollow connecting frame (20) is a cross-shaped frame structure that is inserted into the feed opening, and the feed port (3) can communicate with the cavity (21) of the cross-shaped frame.

8. A cryogenic pulverizer according to claim 7, characterized in that: The bottom of the crushing chamber (1) is provided with a discharge port (6).

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