CN205323677U - Dry process pelletization system - Google Patents

Abstract

The utility model discloses a dry granulation system, which comprises a dry granulator, a vibrating screen, a cloth bag dust collector, an exhaust pipe, an induced draft fan and a cyclone separator. The output port of the dry granulator is also connected to the air inlet pipe. The vibrating screen is set under the cyclone separator. The air outlet of the cyclone separator is connected to the input port of the bag filter through the second material delivery pipe. The air outlet is connected with the exhaust duct, and the induced draft fan is arranged on the exhaust duct. In this dry granulation system, the granules produced by the dry granulator are pre-separated by the cyclone separator according to the volume, and the very small particles enter the bag filter, which can effectively prevent the particles with the required volume from entering the bag dust collector with the wind. device to increase the yield of granulation.

Description

A dry granulation system

technical field

The utility model relates to a granulation production line, in particular to a dry granulation system.

Background technique

Chinese patent application publication CN202289975U discloses a dry granulation system, including a dry granulator, powder equipment, a vibrating screen, a bag filter, a smoke bin and an induced draft fan, and the powder equipment passes through the auger and above the dry granulator. The silo is connected, the vibrating screen is set under the dry granulator, one end of the bag filter is connected to the dry granulator, the other end is connected to the smoke bin, and the induced draft fan is set on the smoke bin. During work, the particles produced by the dry granulator enter the vibrating sieve, and the granules of the required size are screened out by the vibrating sieve, while the bag filter is used to remove the dust in the dry granulator to reduce production environmental pollution. In this dry granulation system, the bag filter is directly connected to the dry granulator. During dust removal, the particles with a slightly larger volume in the dry granulator or that meet the production requirements are easy to enter the bag filter directly, which will affect the screening volume of the vibrating screen to meet the requirements. The yield of pellets.

Contents of the invention

The purpose of the utility model is to provide a dry granulation system.

In order to achieve the purpose of this utility model, its technical solution is now described in detail: a dry granulation system, including a turnover barrel, a material conveying device, a dry granulator, a vibrating screen, a bag filter, an exhaust duct and an induced draft fan. The input and output ends of the material conveying device are respectively connected to the turnover barrel and the silo of the dry granulator, and it also includes a cyclone separator, and the input port of the cyclone separator is connected to the output port of the dry granulator through the first material conveying pipeline. The output port of the dry granulator is also connected with an air inlet pipe, and the material outlet of the cyclone separator is connected with the first shut-off fan. It is connected to the input port of the bag filter, the material outlet of the bag filter is connected to a second fan, the outlet of the bag filter is connected to the exhaust pipe, and the induced fan is set on the exhaust pipe.

Further, a filter and a heater are provided on the air inlet duct. Filter and dry the air entering the first material conveying pipeline through the filter and heater, reduce the impurity and moisture content in the air intake, prevent the particles sent into the cyclone separator from being mixed with impurities and moisture, and improve the purity and quality of the particles .

Further, the filter includes an initial effect filter, an intermediate effect filter and a high efficiency filter, and the initial effect filter, intermediate effect filter, heater and high efficiency filter are output to the dry granulator from the input end of the air inlet pipeline Ports are set in turn. The primary effect filter, medium effect filter and high efficiency filter filter the air entering the air intake pipe in stages, which can effectively improve the filtration efficiency. When working, the primary effect filter and medium effect filter mainly The high-efficiency filter is mainly used to remove the moisture and impurities in the hot air after heating.

Further, the material conveying device is a vacuum feeder. Compared with other feeding machines such as augers, the vacuum feeding machine can achieve uniform and accurate feeding, and it will not generate dust during feeding, which will affect the production environment.

In the dry granulation system of the utility model, the material is placed in the turnover barrel and transported to the dry granulator by the material conveying device. The dry granulator processes the material into granules. The conveying pipeline enters the cyclone separator, and the cyclone separator classifies the particles according to specific gravity and volume. The slightly larger particles are discharged by the first fan and fall into the vibrating screen, and the particles that meet the requirements are screened out by the vibrating screen. The particles enter the bag filter through the second material conveying pipe, and are discharged by the second fan after being filtered by the bag filter, and the clean air after dust removal by the bag filter is discharged from the exhaust pipe. In this dry granulation system, the granules produced by the dry granulator are pre-separated by the cyclone separator according to the volume, and the very small particles enter the bag filter, which can effectively prevent the particles with the required volume from entering the bag dust collector with the wind. device to increase the yield of granulation.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

detailed description

The specific embodiment of the dry granulation system of the present invention will be described in detail below in conjunction with the accompanying drawings:

As shown in Figure 1, the dry granulation system of the utility model includes a turnover barrel 1, a material conveying device 2, a dry granulator 3, a vibrating screen 5, a bag filter 6, an exhaust duct 7 and an induced draft fan 8. The input and output ends of the material conveying device 2 are respectively connected to the turnover barrel 1 and the silo 31 of the dry granulator 3, and it also includes a cyclone separator 4, and the input port of the cyclone separator 4 is connected to the dry granulator through the first material conveying pipeline 41. The output port of the granulator 3 is connected, the output port of the dry granulator 3 is also connected with the air inlet pipe 9, the material outlet of the cyclone separator 4 is connected with the first fan 10, and the vibrating screen 5 is located at the outlet of the first fan 10. Below, the air outlet of the cyclone separator 4 is connected to the input port of the bag filter 6 through the second material delivery pipe 42, the material outlet of the bag filter 6 is connected to the second fan 11, and the air outlet of the bag filter 6 is connected to the exhaust pipe 7 Pass, the induced draft fan 8 is located on the exhaust duct 7. The air inlet duct 9 is provided with a filter 12 and a heater 13 . Filter 12 comprises primary effect filter 14, medium effect filter 15 and high efficiency filter 16, and described primary effect filter 14, medium effect filter 15, heater 13 and high efficiency filter 16 are input by air inlet pipe 9 The 3 output ports of the dry granulator are arranged in sequence. The material conveying device 2 is a vacuum feeder.

In the dry granulation system of the utility model, the material is placed in the turnover barrel 1, and is transported to the dry granulator 3 by the material conveying device 2, and the dry granulator 3 processes the material into granules, and the granules enter with the air inlet pipe 9 The wind enters the cyclone separator 4 through the first material conveying pipeline 41, and the cyclone separator 4 classifies the particles according to the specific gravity and volume. Particles that meet the requirements are discharged, and the extremely small particles enter the bag filter 6 through the second material conveying pipeline 42, and are discharged by the second shut-off fan 11 after being filtered by the bag filter 6. Clean air is discharged by exhaust duct 7.

In the dry granulation system of the present utility model, the granules produced by the dry granulator 3 are pre-separated by the cyclone separator 4 according to the volume, and the very small particles enter the bag filter 6, which can effectively avoid the volume meeting the requirements. The particles enter the bag filter 6 with the wind to improve the yield of granulation.

The dry granulation system of the utility model, in order to reduce the impurity and moisture content in the air intake, prevent the particles sent into the cyclone separator 4 from being mixed with impurities and moisture, and improve the purity and quality of the granules. Be provided with filter 12 and heater 13; For having to improve filtration efficiency, preferably, filter 12 comprises primary effect filter 14, medium effect filter 15 and high efficiency filter 16, described primary effect filter 14, medium effect High-efficiency filter 15, heater 13 and high-efficiency filter 16 are arranged sequentially from the input end of the air inlet pipe 9 to the output port of the dry granulator 3; in order to achieve uniform and accurate feeding, and no dust will be generated during feeding, which will affect production Environment, preferably, the material conveying device 2 is a vacuum feeder.

Claims (4)

1. a dry-type granulating system, including turnover barrel, device for transporting objects, dry granulating machine, vibrosieve, sack cleaner, exhaust duct and air-introduced machine, the input of described device for transporting objects, outfan respectively with turnover barrel, the feed bin of dry granulating machine is connected, it is characterized in that: also include cyclone separator, cyclone separator input port is connected with dry granulating machine delivery outlet by the first material conveying pipe, dry granulating machine delivery outlet is also associated with intake stack, cyclone separator material outlet is connected to the first Blowing stopper, described vibrosieve is located at the lower section of the first Blowing stopper outlet, cyclone separator air outlet is connected with sack cleaner input port by the second material conveying pipe, sack cleaner material outlet is connected to the second Blowing stopper, sack cleaner air outlet is connected with exhaust duct, air-introduced machine is located on exhaust duct。

2. dry-type granulating system according to claim 1, it is characterised in that: intake stack is provided with filter and heater。

3. dry-type granulating system according to claim 2; it is characterized in that: filter includes roughing efficiency air filter, medium effeciency filter and high efficiency particulate air filter, and described roughing efficiency air filter, medium effeciency filter, heater and high efficiency particulate air filter are set gradually to dry granulating machine delivery outlet by intake stack input。

4. dry-type granulating system according to claim 1, it is characterised in that: device for transporting objects is vacuum feeder。