Dust-free granulation device for benzotriazole

Abstract

The dust-free granulation device comprises a rack, an extrusion pipe is arranged at the top end of the rack, a granulation pipe is arranged at one end of the extrusion pipe, a cooling assembly is arranged at the end, away from the extrusion pipe, of the granulation pipe, an extrusion plate is arranged in the granulation pipe, and a feeding assembly is arranged at the top end of the extrusion pipe. A rotating shaft is arranged in the extrusion pipe, and an extrusion screw is arranged on the peripheral wall of the rotating shaft. The utility model relates to the technical field of benzotriazole granulation production equipment. According to the dust-free granulation device for benzotriazole, after benzotriazole is extruded and cut, granular benzotriazole can slide along with the separation plates, and due to the fact that the separation plates correspond to the extrusion holes in a one-to-one mode, cut materials in the same batch can be separated by the separation plates, the materials are prevented from adhering to one another, and the production efficiency is improved. And the purpose of preventing the materials which are not completely solidified from being adhered to one another is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of benzotriazole granulation production equipment, and particularly to a dust-free granulation device for benzotriazole. BACKGROUND

[0002] Benzotriazole is an important organic compound and is widely used in metal corrosion inhibitor, rust inhibitor, light stabilizer and other fields.

[0003] When benzotriazole is granulated in large quantities, it is mostly granulated by melting, using the melting characteristics of benzotriazole, extruded by a screw extruder after heating and melting, and then cut into granules.

[0004] In the prior art, the short columnar granules just formed by granulation have not been fully cooled, and the granules as a whole are relatively soft. In the process of tangential throwing by the throwing disc, these soft short columnar granules are easily agglomerated and bonded on the throwing disc, cannot be smoothly thrown out, and even cause the material outlet to be blocked. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a dust-free granulation device for benzotriazole, so as to solve the technical problems mentioned in the background.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A dust-free granulation device for benzotriazole comprises a rack, an extrusion pipe arranged at the top end of the rack, a granulation pipe arranged at one end of the extrusion pipe, a cooling assembly arranged at the end of the granulation pipe away from the extrusion pipe, an extrusion plate arranged inside the granulation pipe, an inlet assembly arranged at the top end of the extrusion pipe, a rotating shaft arranged inside the extrusion pipe, and an extrusion screw arranged on the outer peripheral wall of the rotating shaft.

[0008] The cooling assembly comprises an outer sleeve, a rotating sleeve rotatably arranged inside the outer sleeve, a plurality of separation plates arranged inside the rotating sleeve, an axle sleeve pipe commonly arranged at one end of the adjacent separation plates, an axle sleeve pipe fixedly connected with the rotating shaft, a cutting plate arranged at the end of the separation plate, and the cutting plate and the extrusion plate being mutually attached.

[0009] Further, the rotating shaft is hollow, and a gas pump connecting pipe is arranged at the tail end of the rotating shaft.

[0010] Further, the granulation pipe is conically arranged, the conical bottom end of the granulation pipe is fixedly connected with the extrusion pipe, the conical tip end of the granulation pipe is provided with a mounting groove for fixing the extrusion plate, and the outer peripheral wall of the granulation pipe is provided with a bolt hole at a position corresponding to the mounting groove.

[0011] Further, the outer peripheral wall of the extrusion plate is provided with a mounting screw hole, a through hole is formed at the inner axis of the extrusion plate for penetrating the rotating shaft, and a plurality of extrusion holes are formed at the inner edge of the extrusion plate, and the distance between adjacent extrusion holes is equal.

[0012] Further, the feeding assembly comprises a feeding pipe, the feeding pipe is fixedly connected with the upper end of the extrusion pipe, and the feeding pipe is away from the granulating pipe, and the top end of the feeding pipe is provided with a material tank.

[0013] Further, the separation plates are arranged in a spiral shape, and the number of the separation plates is equal to the number of the extrusion holes, and the adjacent separation plates are equal.

[0014] In summary, the utility model has at least one of the following beneficial technical effects:

[0015] 1. The benzotriazole dust-free granulating device, after the benzotriazole is extruded and cut, the granular benzotriazole can slip along the separation plate, since the separation plate is one-to-one corresponding with the extrusion hole, the same batch of cut materials can be separated by the separation plate, avoiding mutual adhesion of the materials, achieving the purpose of preventing mutual adhesion of the materials not completely solidified.

[0016] 2. The benzotriazole dust-free granulating device, the rotating sleeve and the outer sleeve have a certain length, and the separation plates are arranged in a spiral shape, so that the materials can stay in the rotating sleeve for a long time, the inner part of the outer sleeve is provided with a cavity for storing cooling liquid, and the end of the shaft sleeve is continuously provided with air, so that the temperature in the rotating sleeve can be effectively reduced, the solidification speed of the materials is accelerated, and mutual adhesion of the materials is further avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0018] Figure 1 It is a structure schematic view of the benzotriazole dust-free granulating device of the utility model.

[0019] Figure 2 It is an internal structure schematic view of the extrusion pipe of the benzotriazole dust-free granulating device of the utility model.

[0020] Figure 3 It is a structure sectional view of the rotating shaft of the benzotriazole dust-free granulating device of the utility model.

[0021] Figure 4 It is a structure schematic view of the cooling assembly and the extrusion plate of the dust-free granulating device for benzotriazole.

[0022] In the figure, 1, rack; 2, extrusion pipe; 3, granulating pipe; 31, mounting groove; 32, bolt hole; 4, cooling assembly; 41, outer sleeve; 42, rotating sleeve; 43, separation plate; 44, shaft sleeve; 45, cutting plate; 5, extrusion plate; 51, mounting screw hole; 52, through hole; 53, extrusion hole; 6, feeding assembly; 61, feeding pipe; 62, material tank; 7, rotating shaft; 8, extrusion screw; 9, air pump connecting pipe. DETAILED DESCRIPTION

[0023] The utility model makes a further detailed description in connection with the drawings. EMBODIMENT

[0024] REFERENCE Figure 1 - Figure 4 The utility model discloses a dust-free granulating device for benzotriazole, including the rack 1, the top of rack 1 is provided with extrusion pipe 2, and one end of extrusion pipe 2 is provided with granulating pipe 3, and the end, away from extrusion pipe 2, of granulating pipe 3 is provided with cooling assembly 4, and the inside of granulating pipe 3 is provided with extrusion plate 5, and the top of extrusion pipe 2 is provided with feeding assembly 6, and the inside of extrusion pipe 2 is provided with rotating shaft 7, and the outer peripheral wall of rotating shaft 7 is provided with extrusion screw 8.

[0025] Cooling assembly 4 includes outer sleeve 41, and rotating sleeve 42 is rotationally arranged in the inside of outer sleeve 41, and a plurality of separation plates 43 are arranged in the inside of rotating sleeve 42, and one end of adjacent separation plate 43 is provided with shaft sleeve 44 in common, and shaft sleeve 44 is fixedly connected with rotating shaft 7, and the end of separation plate 43 is provided with cutting plate 45, and cutting plate 45 is mutually pasted with extrusion plate 5.

[0026] In the embodiment, as shown in Figure 1 and Figure 2 When the device is used, the material needing granulating is passed into the inside of extrusion pipe 2 through feeding assembly 6, and the benzotriazole is melted by the heating pipe arranged in the inside of extrusion pipe 2, so that it forms the state of melting, and the benzotriazole in the state of melting is extruded through rotating shaft 7 and extrusion screw 8, so that it is discharged through extrusion plate 5, and after being discharged through extrusion plate 5, the temperature of extrusion plate 5 can be reduced due to the contact of cooling assembly 4 and extrusion plate 5, so that the material can be cooled and solidified when being discharged, and then the extruded material is cooled and cut off through cooling assembly 4, so that the purpose of granulating is achieved, and the process of granulating is fully closed, so that the dust pollution of the material can be effectively avoided.

[0027] On the other hand, as shown in Figure 2 and Figure 3As shown, since the shaft sleeve pipe 44 is fixedly connected with the rotating shaft 7, the shaft sleeve pipe 44 will rotate with the rotating shaft 7 and drive the separation plate 43 to rotate, thereby cutting and separating the material through the cutting plate 45 connected with the separation plate 43, and after the benzotriazole is extruded and cut, the granular benzotriazole will slide with the separation plate 43, since the rotating sleeve 42 and the outer sleeve 41 have a certain length, the material can stay in the inside of the rotating sleeve 42 for a long time, avoiding mutual adhesion of the materials, achieving the purpose of preventing mutual adhesion of the materials not completely solidified.

[0028] On the other hand, the inside of the rotating sleeve 42 is provided with a plurality of isolation cavities, the inside of the isolation cavities is provided with cooling liquid, thereby the rotating sleeve 42 can fully absorb the heat in the material, so as to accelerate the solidification speed of the material.

[0029] In further preferable embodiments of the present application, as shown in Figure 3 The rotating shaft 7 is hollow, and the tail end of the rotating shaft 7 is provided with a gas pump connecting pipe 9.

[0030] In the present embodiment, as shown in Figure 3 The gas pump connecting pipe 9 rotatably connected with the rotating shaft 7 is connected with the air inlet pipe of the gas pump, and the gas pump is started to draw air out of the inner cavity of the rotating shaft 7, and in the process of drawing out, external air enters through the shaft sleeve pipe 44, and the air flow greatly improves the heat dissipation efficiency of the shaft sleeve pipe 44, so as to avoid overheating of the shaft sleeve pipe 44 affecting the solidification of the material.

[0031] In further preferable embodiments of the present application, as shown in Figure 4 The granulating pipe 3 is conical, the conical bottom end of the granulating pipe 3 is fixedly connected with the extruding pipe 2, the conical tip end of the granulating pipe 3 is provided with a mounting groove 31 for fixing the extruding plate 5, and the outer peripheral wall of the granulating pipe 3 is provided with a bolt hole 32 at a position corresponding to the mounting groove 31.

[0032] In the present embodiment, the mounting groove 31 is used for mounting the extruding plate 5, and the bolt hole 32 is used for fixing the extruding plate 5, and through the conical granulating pipe 3, the material can be gathered towards the position of the extruding plate 5 after the extruding screw 8 pushes the material to move, and the contraction of the diameter can improve the pressure of the material and improve the tightness of the material after extrusion, avoiding the existence of air bubbles in the material.

[0033] In further preferable embodiments of the present application, as shown in Figure 4 The outer peripheral wall of the extruding plate 5 is provided with a mounting screw hole 51, a through hole 52 is formed at the inner axial center of the extruding plate 5 for penetrating the rotating shaft 7, a plurality of extruding holes 53 are formed at the position close to the edge of the inside of the extruding plate 5, and the distance between adjacent extruding holes 53 is equal.

[0034] In the embodiment, when the extrusion plate 5 is installed, the position of the mounting screw hole 51 is opposite to the position of the bolt hole 32, and the extrusion plate 5 is sleeved on the end of the rotating shaft 7 through the through hole 52, that is, the bolt is screwed into the mounting screw hole 51 through the bolt hole 32, so as to fix the extrusion plate 5, and the edge of the extrusion plate 5 is provided with a sealing assembly, when the extrusion screw rod 8 pushes the material to the position of the extrusion plate 5, the material is discharged through the extrusion hole 53 to form a cylindrical shape, and the cylindrical particles are cut through the separation plate 43 and the cutting plate 45, so as to achieve the purpose of granulation.

[0035] In further preferable embodiments of the present application, as shown in Figure 1 The feeding assembly 6 comprises a feeding pipe 61, the feeding pipe 61 is fixedly connected with the upper end of the extrusion pipe 2, and the feeding pipe 61 is away from the granulation pipe 3, and the top end of the feeding pipe 61 is provided with a material tank 62.

[0036] In the embodiment, the material tank 62 is used for storing materials, and the extrusion pipe 2 and the material tank 62 are communicated with each other through the feeding pipe 61, so that the materials in the material tank 62 can enter the extrusion pipe 2, and the inside of the feeding pipe 61 is provided with a feeding screw rod for uniformly conveying the materials in the material tank 62 into the inside of the extrusion pipe 2, and the both ends of the material tank 62 are provided with feeding cover plates, so as to facilitate adding materials into the inside of the material tank 62.

[0037] In further preferable embodiments of the present application, as shown in Figure 2 and 3 The separation plate 43 is spirally arranged, and the number of the separation plate 43 is equal to the number of the extrusion hole 53, and the adjacent separation plates 43 are equal.

[0038] In the embodiment, when the materials are cut, the materials move in the rotating cylinder through the rotation of the spiral separation plate 43, and are then discharged through the rotating cylinder, in this process, the moving time of the materials can be effectively prolonged, and the same batch of cut materials can be isolated to prevent the un-solidified materials from adhering to each other.

[0039] The embodiments of the specific embodiment are preferable embodiments of the present application, and are not limited to the protection scope of the present application, so that: any equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. A dust-free granulation apparatus for benzotriazole, characterized in that, Including frame (1), the top of frame (1) is provided with extrusion pipe (2), one end of extrusion pipe (2) is provided with granulating pipe (3), the end of granulating pipe (3) away from extrusion pipe (2) is provided with cooling assembly (4), the inside of granulating pipe (3) is provided with extrusion plate (5), the top of extrusion pipe (2) is provided with feeding assembly (6), the inside of extrusion pipe (2) is provided with rotating shaft (7), the outer circumferential wall of rotating shaft (7) is provided with extrusion screw (8); Cooling assembly (4) includes sleeve (41), rotating sleeve (42) is arranged in sleeve (41), a plurality of separation plates (43) are arranged in rotating sleeve (42), adjacent ends of separation plates (43) are provided with shaft sleeve pipe (44) in common, shaft sleeve pipe (44) is fixedly connected with rotating shaft (7), cutting plate (45) is arranged at the end of separation plate (43), and cutting plate (45) is attached to extrusion plate (5).

2. The dust-free granulating apparatus for benzotriazoles according to claim 1, characterized by The rotating shaft (7) is hollow, and the tail end of the rotating shaft (7) is provided with a gas pump connecting pipe (9).

3. The dust-free granulating apparatus for benzotriazoles according to claim 2, characterized by The granulating pipe (3) is conical, the conical bottom end of the granulating pipe (3) is fixedly connected with the extrusion pipe (2), the conical tip end of the granulating pipe (3) is provided with a mounting groove (31) for fixing the extrusion plate (5), and the outer circumferential wall of the granulating pipe (3) is provided with a bolt hole (32) corresponding to the mounting groove (31).

4. The dust-free granulating apparatus for benzotriazoles according to claim 3, characterized by The outer circumferential wall of the extrusion plate (5) is provided with a mounting screw hole (51), a through hole (52) is formed at the inner axis of the extrusion plate (5) for passing through the rotating shaft (7), a plurality of extrusion holes (53) are formed at the inner edge of the extrusion plate (5), and the distance between adjacent extrusion holes (53) is equal.

5. The dust-free granulating apparatus for benzotriazoles according to claim 4, characterized by The feeding assembly (6) includes a feeding pipe (61), the feeding pipe (61) is fixedly connected with the upper end of the extrusion pipe (2), and the feeding pipe (61) is away from the granulating pipe (3), the top of the feeding pipe (61) is provided with a material tank (62).

6. The dust-free granulating apparatus for benzotriazoles according to claim 5, wherein The separation plates (43) are arranged in a spiral shape, and the number of separation plates (43) is equal to the number of extrusion holes (53), and the adjacent separation plates (43) are equal.

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