CN215397068U

CN215397068U - Melamine cyanurate soft particle granulation system

Info

Publication number: CN215397068U
Application number: CN202121710030.3U
Authority: CN
Inventors: 陈昌龙
Original assignee: Changzhou Huaxia Drying And Granulating Equipment Co ltd
Current assignee: Changzhou Huaxia Drying And Granulating Equipment Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-04
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a melamine cyanurate soft particle granulation system, which comprises a storage tank, wherein a flow-control feeding screw is arranged below the storage tank, the tail end of the flow-control feeding screw is communicated with a first feed inlet of a mixing tank, a forced feeding mechanism is arranged below the mixing tank, the tail end of the forced feeding mechanism is connected with a material pressing mechanism, the material pressing mechanism is communicated with a crushing mechanism, a feeding pipeline is connected below the crushing mechanism, the feeding pipeline is connected with a vacuum feeding machine, the lower part of the vacuum feeding machine is communicated with a sieving machine, the sieving machine is provided with a finished product discharge port and a return port, the return port is connected with the return screw, and the other end of the return screw is communicated with a second feed inlet of the mixing tank; the crushing mechanism comprises a crushing cutter set and a crushing screen plate, and the crushing cutter set is arranged in the crushing screen plate.

Description

Melamine cyanurate soft particle granulation system

Technical Field

The utility model belongs to the technical field of granulators, and particularly relates to a melamine cyanurate soft particle granulation system.

Background

Melamine cyanurate is a novel nitrogen-containing material. The finished product is white crystal powder, has the density of 1.5, is difficult to dissolve in water and other organic solvents, is nontoxic, odorless and tasteless, and has the density of 30. Stable within 600 deg.C, and decomposed at above. It has the characteristics of good flame retardant effect and small processing smoke. Usually, melamine cyanurate is made into granules by a granulation system, the granulation system extrudes melamine cyanurate raw material to make the material generate plastic deformation and be compressed into a sheet, and the sheet material is crushed, granulated, sieved and the like to obtain a granular product. The existing melamine cyanurate granulation system can only be used for making hard granules, but can not be used for making soft granules which are broken at once, and in view of the requirements of the working conditions of many foreign electronic industries, the product must be soft granules, and the dispersibility is good, so that the melamine cyanurate soft granule granulation system is required to be provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a melamine cyanurate soft particle granulation system, and the prepared melamine particles have uniform particle size, low bulk density, easy dispersion and no hardness.

The utility model provides the following technical scheme:

the melamine cyanurate soft particle granulation system is characterized by comprising a storage tank, wherein a flow-control feeding screw is arranged below the storage tank, the tail end of the flow-control feeding screw is communicated with a first feed port of a mixing tank, a forced feeding mechanism is arranged below the mixing tank, the tail end of the forced feeding mechanism is connected with a material pressing mechanism, the material pressing mechanism is communicated with a crushing mechanism, a feeding pipeline is connected below the crushing mechanism, the feeding pipeline is connected with a vacuum feeding machine, the lower part of the vacuum feeding machine is communicated with a screening machine, the screening machine is provided with a finished product discharge port and a return port, the return port is connected with a return screw, and the other end of the return screw is communicated with a second feed port of the mixing tank; the crushing mechanism comprises a crushing cutter set and a crushing hopper, the crushing cutter set is arranged in the crushing hopper, crushing blades are arranged on the crushing cutter set, and an arc mesh screen is arranged below the crushing cutter set.

Preferably, the flow control feeding screw comprises a feeding packing auger, and a packing auger shaft of the feeding packing auger penetrates out of the flow control feeding screw to be connected with a driving shaft of the first driving motor.

Preferably, the forced feeding mechanism comprises a forced feeding cylinder, a forced feeding packing auger is arranged in the forced feeding cylinder, and a packing auger shaft of the forced feeding packing auger is connected with a driving shaft of the second driving motor.

Preferably, be equipped with the compounding auger in the compounding jar, the auger axle of compounding auger is worn out compounding jar top is connected with third driving motor's drive shaft, and the epaxial equipartition of auger of compounding auger still is equipped with the stirring rod.

Preferably, the material pressing mechanism comprises a material pressing roller, the material pressing roller is connected with a driving shaft of a material pressing motor, and a material pressing shell is further arranged outside the material pressing roller.

Preferably, the upper part of the crushing hopper is communicated with the bottom of the material pressing shell, and the feeding pipeline is connected to the bottom of the crushing hopper.

Preferably, a feed back packing auger is arranged in the feed back spiral, and a packing auger shaft of the feed back packing auger penetrates out of the feed back spiral and is connected with a driving shaft of a fourth driving motor.

Preferably, the screening machine includes a first screen and a second screen, the first screen being located above the second screen.

The utility model has the beneficial effects that:

1. the material mixing auger and the stirring rods are arranged on the auger shaft in a staggered mode, so that uniform and sufficient material mixing is guaranteed, and raw materials are prevented from being stuck to the side wall of the material mixing tank;

2. through the cooperation of smashing knife tackle and arc mesh screen, can guarantee that kibbling granule gets into and once sieves before in the screening machine, effectively reduce the production of the feed back of too big granule, improve crushing efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

As shown in the figure, the melamine cyanurate soft particle granulation system provided by the utility model comprises a storage tank 1, wherein a flow control feeding screw 2 is arranged below the storage tank 1, the flow control feeding screw 2 comprises a feeding auger 21, and an auger shaft of the feeding auger 21 penetrates out of the flow control feeding screw 2 to be connected with a driving shaft of a first driving motor 22; the tail end of the flow control feeding screw 2 is communicated with a first feeding hole of a material mixing tank 3, a material mixing auger 31 is arranged in the material mixing tank 3, an auger shaft of the material mixing auger 31 penetrates out of the top end of the material mixing tank 3 to be connected with a driving shaft of a third driving motor 32, and stirring rods are uniformly distributed on the auger shaft of the material mixing auger 31; a forced feeding mechanism 10 is arranged below the mixing tank 3, the forced feeding mechanism 10 comprises a forced feeding cylinder, a forced feeding packing auger 101 is arranged in the forced feeding cylinder, and a packing auger shaft of the forced feeding packing auger 101 is connected with a driving shaft of a second driving motor 102; the tail end of the forced feeding mechanism 10 is connected with a material pressing mechanism 4, the material pressing mechanism 4 comprises a material pressing roller 41, the material pressing roller 41 is connected with a driving shaft of a material pressing motor, and a material pressing shell 42 is further arranged outside the material pressing roller 41; the pressing mechanism 4 is communicated with the crushing mechanism 5, a feeding pipeline 6 is connected below the crushing mechanism 5, the feeding pipeline 6 is connected with a vacuum feeding machine 7, the lower side of the vacuum feeding machine 7 is communicated with a screening machine 8, the screening machine 8 comprises a first screen 81 and a second screen 82, the first screen 81 is positioned above the second screen 82, and the mesh size of the first screen 81 is larger than that of the second screen 82 and is used for filtering oversize particles; the size of the second screen 82 matches the size of the finished pellets for screening out undersized pellets;

the sieving machine 8 is provided with a finished product discharge port and a feed back port, the feed back port is connected with the feed back screw 9, a feed back auger 91 is arranged in the feed back screw 9, and an auger shaft of the feed back auger 91 penetrates out of the feed back screw 9 to be connected with a driving shaft of a fourth driving motor 92; the other end of the feed back screw 9 is communicated with a second feed inlet of the mixing tank 3; the crushing mechanism 5 comprises a crushing cutter set 51 and a crushing hopper 54, the upper part of the crushing hopper 54 is communicated with the bottom of the material pressing shell 42, and the feeding pipeline 6 is connected to the bottom of the crushing hopper 54; the crushing cutter set 51 is arranged in a crushing hopper 54, the crushing cutter set 51 is provided with a crushing blade 52, and an arc-shaped mesh screen 53 is arranged below the crushing cutter set 51. The application also includes a control system for coordinating the operation of the plant components and for inputting and adjusting process parameters of the individual plant components.

The working principle is as follows: the raw materials in the storage tank 1 uniformly enter the mixing tank 3 under the flow control action of the flow control feeding screw 2, the mixed raw materials are fully mixed by the mixing auger 31 and the stirring rod, the mixed raw materials are fed into the material pressing mechanism 4 through the forced feeding mechanism 10, the raw materials are pressed into sheets by the material pressing roller 41 and then fed into the crushing mechanism 5, the rolling position is controlled to be in a low-pressure state by the control system in the process that the material pressing roller 41 rolls the materials, when the rolled materials are in the low-pressure state, the density of the sheet materials of the rolled materials can be reduced, therefore, soft particles are formed due to low density of subsequently generated particles, and the low-pressure range is between 0 and 6 MPa.

The crushing blade 52 on two crushing knife tackle 51 smashes flaky raw materials into granules, the granules that reach the crushing standard fall down from arc-shaped mesh screen 53 (the granules that do not conform to the standard continue to stay on arc-shaped mesh screen 53 and smash), vacuum material loading machine 7 sieves in carrying screening machine 8 with kibbling granule through material loading pipeline 7, the granule that meets the requirements is discharged through the finished product discharge gate, too big or undersize granule discharges to material return spiral 9 through the feed back mouth, send back to mixing tank 3 through material return auger 91 in, carry out the compounding once more with new raw materials, press the material, the process of smashing and screening. The material mixing auger 31 and the stirring rods are arranged on the auger shaft in a staggered manner, so that uniform and sufficient material mixing is ensured, and raw materials are prevented from being stuck on the side wall of the material mixing tank 3; through the cooperation of smashing knife tackle 51 and arc mesh screen 53, can guarantee that kibbling granule gets into and once sieves before in the screening machine 8, effectively reduce the production of the feed back of too big granule, improve crushing efficiency.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A melamine cyanurate soft particle granulation system is characterized by comprising a storage tank (1), a flow-control feeding screw (2) is arranged below the material storage tank (1), the tail end of the flow-control feeding screw (2) is communicated with a first feeding hole of the material mixing tank (3), a forced feeding mechanism (10) is arranged below the mixing tank (3), the tail end of the forced feeding mechanism (10) is connected with a material pressing mechanism (4), the material pressing mechanism (4) is communicated with the crushing mechanism (5), a material feeding pipeline (6) is connected below the crushing mechanism (5), the feeding pipeline (6) is connected with a vacuum feeding machine (7), the lower part of the vacuum feeding machine (7) is communicated with a sieving machine (8), the sieving machine (8) is provided with a finished product discharge port and a feed back port, the feed back port is connected with a feed back screw (9), the other end of the feed back screw (9) is communicated with a second feed inlet of the mixing tank (3); rubbing crusher constructs (5) including smashing knife tackle (51) and crushing hopper (54), it establishes to smash knife tackle (51) smash in hopper (54), it smashes blade (52) to be equipped with on knife tackle (51), it is equipped with arc mesh screen (53) to smash knife tackle (51) below.

2. The melamine cyanurate soft particle granulation system according to claim 1, wherein the flow-control feeding screw (2) comprises a feeding auger (21), and an auger shaft of the feeding auger (21) penetrates through the flow-control feeding screw (2) to be connected with a driving shaft of a first driving motor (22).

3. The melamine cyanurate soft particle granulation system according to claim 1, wherein the forced feeding mechanism (10) comprises a forced feeding cylinder, a forced feeding screw conveyor (101) is arranged in the forced feeding cylinder, and a screw conveyor shaft of the forced feeding screw conveyor (101) is connected with a driving shaft of a second driving motor (102).

4. The melamine cyanurate soft particle granulation system according to claim 1, wherein a mixing auger (31) is arranged in the mixing tank (3), an auger shaft of the mixing auger (31) penetrates out of the top end of the mixing tank (3) and is connected with a driving shaft of a third driving motor (32), and stirring rods are uniformly distributed on the auger shaft of the mixing auger (31).

5. The melamine cyanurate soft particle granulation system according to claim 1, wherein the nip mechanism (4) comprises a nip roll (41), the nip roll (41) is connected with a driving shaft of a nip motor, and a nip housing (42) is further disposed outside the nip roll (41).

6. The melamine cyanurate soft particle granulation system according to claim 5, wherein the upper part of the crushing hopper (54) is communicated with the bottom of the material pressing shell (42), and the feeding pipeline (6) is connected to the bottom of the crushing hopper (54).

7. The melamine cyanurate soft particle granulation system according to claim 1, wherein a feed back auger (91) is arranged in the feed back auger (9), and an auger shaft of the feed back auger (91) penetrates through the feed back auger (9) and is connected with a drive shaft of a fourth drive motor (92).

8. A melamine cyanurate soft particle granulation system as claimed in claim 1, characterised in that the sieving machine (8) comprises a first screen (81) and a second screen (82), the first screen (81) being located above the second screen (82).