CN220425542U

CN220425542U - Crushing device for nitrogen-making molecular sieve

Info

Publication number: CN220425542U
Application number: CN202321691633.2U
Authority: CN
Inventors: 刘春海; 周广森; 卢德斌
Original assignee: Shandong Zhonghai Machinery Co ltd
Current assignee: Shandong Zhonghai Machinery Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-02-02
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a crushing device for a nitrogen-making molecular sieve, which relates to the technical field of molecular sieves and comprises a box body, wherein a driving structure is arranged in the box body, a crushing structure is arranged in the box body, the crushing structure comprises two rotating rods, the outer sides of the rotating rods are fixedly connected with limiting rods, the outer sides of the rotating rods are welded with extrusion wheels, and the outer sides of the extrusion wheels are fixedly connected with cutting knives. According to the utility model, the shearing stress between the cutting blades is utilized to cut off the large molecular sieve in the molecular sieve crushing process through the arrangement of the extrusion wheels and the cutting blades, and the rest small molecular sieve is crushed through the gap between the cutting blades and the extrusion wheels, so that the effect of crushing the molecular sieve is achieved, and the two groups of cutting blades can be positioned in the middle of the crushing chamber and perform crushing operation through the arrangement of the round holes and the round grooves, so that the shell does not directly participate in crushing the molecular sieve, the abrasion to the shell is reduced, and the service life of the device is prolonged.

Description

Crushing device for nitrogen-making molecular sieve

Technical Field

The utility model relates to the technical field of molecular sieves, in particular to a crushing device for a nitrogen-making molecular sieve.

Background

Molecular sieves are aluminosilicate compounds having a cubic lattice. The molecular sieve has a uniform microporous structure, and the diameters of holes of the molecular sieve are uniform, and the holes can adsorb molecules smaller than the diameters of the molecular sieve into the cavities, and have preferential adsorption capacity on polar molecules and unsaturated molecules, so that the molecules with different polarity degrees, different saturation degrees, different molecular sizes and different boiling points can be separated, and the molecular sieve has the function of sieving the molecules. Because the molecular sieve has the advantages of high adsorption capacity, strong thermal stability and the like which are not available in other adsorbents, the molecular sieve can be widely applied in the nitrogen preparation process. In the process of manufacturing the molecular sieve, the quality has higher requirements on sphericity. The produced reject molecular sieves typically require a comminution process for reuse.

In the prior art, as disclosed in chinese patent CN 214051973U, a molecular sieve crushing device comprises a frame and a crushing chamber mounted on the frame, a hopper is mounted above the crushing chamber, a collecting hopper is mounted below the crushing chamber, a material inlet is formed in the hopper, a material outlet is formed in the collecting hopper, a crushing assembly is rotatably mounted in the crushing chamber, and a driving assembly for driving the crushing assembly to rotate is mounted on the frame; the driving assembly comprises a cutter shaft rotatably supported in the crushing chamber and a motor for driving the cutter shaft to rotate; the crushing assembly comprises a cutter disc and at least one cutter bar fixed on the cutter disc, and the cutter disc is provided with a shaft hole matched with the cutter shaft; the crushing chamber is kept away from the one end of arbor and is installed the cutter fastening assembly, and the cutter fastening assembly includes the tight axle of top that sets up with the arbor is coaxial, and the tight axle of top rotates to support in crushing chamber and can follow arbor axis and remove the butt and leave the blade disc.

However, in the prior art, the cutter bar of the crushing device receives the transverse extrusion force from the molecular sieve, so that abrasion is easy to cause, and the crushing method is to cut and crush the molecular sieve by using the extrusion force among the cutter bar, the molecular sieve and the crushing chamber, so that the inner wall of the crushing chamber is greatly crushed, and the service life is influenced.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a cutter bar of a crushing device is subjected to transverse extrusion force from a molecular sieve, abrasion is easy to cause, and the crushing method is to cut and crush the molecular sieve by using the extrusion force among the cutter bar, the molecular sieve and a crushing chamber, so that the inner wall of the crushing chamber is greatly crushed, and the service life is influenced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reducing mechanism of nitrogen molecular sieve, includes the box, the inside of box is provided with drive structure, the inside of box is provided with crushing structure, crushing structure includes two dwang, the outside fixedly connected with gag lever post of dwang, the outside welding of dwang has the extrusion wheel, the outside fixedly connected with cutting sword of extrusion wheel, a plurality of poles cutting sword evenly distributed is in the outside of extrusion wheel, drive structure includes the motor, the output of motor is connected with the action wheel, the outside meshing of action wheel has the follow driving wheel.

Preferably, the box includes the shell, the inside of shell is provided with crushing room and driving chamber, crushing room's inside and be close to both sides edge department all is provided with the sloping block, two the bottom of sloping block is two bracing pieces of equal fixedly connected with.

Preferably, a discharging plate is arranged at the lower end of the crushing chamber, and a discharging hole is formed in one side of the shell and located at the position of the lower edge.

Preferably, the shell is penetrated with two round holes, one end of the rotating rod penetrates through one round hole to be fixedly connected with one side of the driving wheel, and the other end of the rotating rod penetrates through the other round hole to be fixedly connected with one side of the driven wheel.

Preferably, the shell is provided with two circular grooves, and the other end of the rotating rod is movably connected with the circular grooves.

Preferably, one side of the inclined block is fixedly connected with the inner side of the shell, and the outer side of the discharging plate is fixedly connected with the inner side of the shell.

Preferably, the bottom of the discharge port is aligned with one end of the discharge plate.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, the shearing stress between the cutting blades is utilized to cut off the large molecular sieve in the molecular sieve crushing process through the arrangement of the extrusion wheels and the cutting blades, and the rest small molecular sieve is crushed through the gap between the cutting blades and the extrusion wheels, so that the effect of crushing the molecular sieve is achieved, and the two groups of cutting blades can be positioned in the middle of the crushing chamber and perform crushing operation through the arrangement of the round holes and the round grooves, so that the shell does not directly participate in crushing the molecular sieve, the abrasion to the shell is reduced, and the service life of the device is prolonged.

2. According to the utility model, the molecular sieve can fall into the junction of the two groups of cutters preferentially when being poured into the crushing device through the arrangement of the inclined blocks, so that the effect of rapid crushing is achieved, and the operation efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of a crushing structure and a driving structure of a crushing device for preparing nitrogen molecular sieve according to the present utility model;

FIG. 2 is a schematic perspective view of a pulverizing apparatus for preparing nitrogen molecular sieve according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a part of a pulverizing apparatus for preparing nitrogen molecular sieves according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a housing of a pulverizing apparatus for producing nitrogen molecular sieves according to the present utility model;

fig. 5 is a schematic perspective view of a squeezing wheel of a crushing device for producing nitrogen molecular sieves.

Legend description: 1. a case; 11. a housing; 12. a pulverizing chamber; 13. a driving chamber; 14. a discharge plate; 15. a discharge port; 16. a sloping block; 17. a support rod; 18. a round hole; 19. a circular groove; 2. a driving structure; 21. a motor; 22. a driving wheel; 23. driven wheel; 3. a crushing structure; 31. a rotating lever; 32. a limit rod; 33. a pressing wheel; 34. and a cutting blade.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1-5, as shown in fig. 1, the utility model provides a crushing device for nitrogen-making molecular sieves, which comprises a box body 1, wherein a driving structure 2 is arranged in the box body 1, a crushing structure 3 is arranged in the box body 1, the crushing structure 3 comprises two rotating rods 31, a limiting rod 32 is fixedly connected to the outer sides of the rotating rods 31, a pressing wheel 33 is welded to the outer sides of the rotating rods 31, cutting blades 34 are fixedly connected to the outer sides of the pressing wheel 33, a plurality of rod cutting blades 34 are uniformly distributed on the outer sides of the pressing wheel 33, the driving structure 2 comprises a motor 21, the output end of the motor 21 is connected with a driving wheel 22, a driven wheel 23 is meshed with the outer sides of the driving wheel 22, the larger molecular sieves can be cut off through the shearing stress between the cutting blades 34 when the crushing molecular sieves are operated, and the rest small molecular sieves are crushed through gaps between the cutting blades 34 and the pressing wheel 33, so that the effect of crushing molecular sieves is achieved, the two groups of cutting blades 34 avoid the large shell 11 and the pressing force between the shell 11, the motor 22 is prolonged, the service life is prolonged, the two groups of cutting blades 22 and the two shearing blades are enabled to be enabled to have large shearing stress and the large shearing stress to be opened in opposite directions, and the large shearing stress can be generated when the two groups of the driving wheels are enabled to make the shearing blades to move and the shearing blades are convenient to cut and have large shearing stress and large shearing stress.

As shown in fig. 3 and 4, the box 1 includes a housing 11, a crushing chamber 12 and a driving chamber 13 are disposed in the housing 11, oblique blocks 16 are disposed in the crushing chamber 12 and close to two side edge positions, two support rods 17 are fixedly connected to the bottoms of the two oblique blocks 16, and when the molecular sieve is poured into the crushing device through the arrangement of the oblique blocks 16, the molecular sieve can fall into the junction of the two groups of cutting blades 34 preferentially, so that the effect of rapid crushing is achieved, and the operation efficiency is improved.

As shown in fig. 3 and 4, the lower end of the pulverizing chamber 12 is provided with a discharge plate 14, and a discharge port 15 is provided at a lower edge position on one side of the housing 11.

As shown in fig. 3 and 4, two circular holes 18 penetrate through the housing 11, one end of one rotating rod 31 penetrates through one circular hole 18 to be fixedly connected with one side of the driving wheel 22, and one end of the other rotating rod 31 penetrates through the other circular hole 18 to be fixedly connected with one side of the driven wheel 23, so that the driving wheel 22 and the driven wheel 23 can drive the rotating rod 31 to perform rotary motion.

As shown in fig. 3 and 4, two circular grooves 19 are formed in the housing 11, and the other end of the rotating rod 31 is movably connected with the circular grooves 19, so that the position of the rotating rod 31 can be fixed inside the pulverizing chamber 12.

As shown in fig. 3 and 4, one side of the inclined block 16 is fixedly connected with the inner side of the housing 11, the outer side of the discharge plate 14 is fixedly connected with the inner side of the housing 11, and crushed molecular sieves are gathered together through the arrangement of the discharge plate 14 and discharged through the discharge port 15.

As shown in fig. 3 and 4, the bottom of the discharge port 15 is aligned with one end of the discharge plate 14 to facilitate the discharge of the crushed molecular sieve.

The application method and the working principle of the device are as follows: when the molecular sieve is required to be crushed, the motor 21 can be started, the output end of the motor 21 drives the driving wheel 22 to rotate clockwise, the outer side of the driving wheel 22 is meshed with the outer side of the driven wheel 23, so that the driven wheel 23 is driven to rotate anticlockwise, the two rotating rods 31 simultaneously rotate towards the middle, the extruding wheel 33 is driven to rotate, the molecular sieve is poured into the crushing chamber 12, the shearing force between the cutting blades 34 is utilized to cut off the large molecular sieve, and the gap between the cutting blades 34 and the extruding wheel 33 is utilized to crush the residual small molecular sieve, so that the effect of crushing the molecular sieve is achieved, the crushed molecular sieve falls on the discharging plate 14, and finally is discharged from the discharging hole 15.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a reducing mechanism of nitrogen molecular sieve, includes box (1), its characterized in that: the inside of box (1) is provided with drive structure (2), the inside of box (1) is provided with crushing structure (3), crushing structure (3) are including two dwang (31), the outside fixedly connected with gag lever post (32) of dwang (31), the outside welding of dwang (31) has extrusion wheel (33), the outside fixedly connected with cutting sword (34) of extrusion wheel (33), a plurality of poles cutting sword (34) evenly distributed is in the outside of extrusion wheel (33), drive structure (2) include motor (21), the output of motor (21) is connected with action wheel (22), the outside meshing of action wheel (22) has from driving wheel (23).

2. The pulverizing apparatus for producing nitrogen molecular sieve according to claim 1, wherein: the box (1) comprises a shell (11), wherein a crushing chamber (12) and a driving chamber (13) are arranged in the shell (11), inclined blocks (16) are arranged in the crushing chamber (12) and close to two side edge positions, and two supporting rods (17) are fixedly connected to the bottoms of the inclined blocks (16).

3. The pulverizing apparatus for producing nitrogen molecular sieve according to claim 2, wherein: the lower extreme of crushing room (12) is provided with discharge plate (14), one side of shell (11) and be located lower edge position department and seted up discharge gate (15).

4. The pulverizing apparatus for producing nitrogen molecular sieve according to claim 2, wherein: two round holes (18) penetrate through the shell (11), one end of the rotating rod (31) penetrates through one round hole (18) to be fixedly connected with one side of the driving wheel (22), and the other end of the rotating rod (31) penetrates through the other round hole (18) to be fixedly connected with one side of the driven wheel (23).

5. A nitrogen-making molecular sieve comminution device according to claim 3, characterized in that: two circular grooves (19) are formed in the shell (11), and the other end of the rotating rod (31) is movably connected with the circular grooves (19).

6. A nitrogen-making molecular sieve comminution device according to claim 3, characterized in that: one side of the inclined block (16) is fixedly connected with the inner side of the shell (11), and the outer side of the discharging plate (14) is fixedly connected with the inner side of the shell (11).

7. A nitrogen-making molecular sieve comminution device according to claim 3, characterized in that: the bottom of the discharge hole (15) is aligned with one end of the discharge plate (14).