CN201120734Y - A flat die granulator - Google Patents

Abstract

The utility model discloses a flat die granulating machine. The utility model is characterized in that the flat die granulating machine comprises a machine body; a power driving device arranged on the machine body; a feeding device arranged on the top surface of the machine body; a discharging device arranged on the lateral surface of the machine body; a main axle connected with the power driving device and arranged in the machine body; a granulating part which is arranged between the feeding device and the discharging device and comprises at least one material equalizing plate, at least a group of press rollers, a cutting knife and a material scraping plate which are installed on the main axle in sequence from top to bottom; a discharging die plate arranged among the press rollers and the cutting knife and fixedly installed in the machine body. The flat die granulating machine has the advantages of high productivity, compact structure, low operating cost, simple and convenient operation and high structural strength, thereby being suitable for the molding of a great variety of raw materials with different characteristics, such as biomass fuel, fertilizer, feeding stuff and plastics.

Description

A flat die granulator

technical field

The utility model relates to a flat die granulator used for biomass fuel, fertilizer, feed and solid waste, which can directly process powder into granules.

Background technique

For a long time, in the field of solid granulation, people from all walks of life have carried out certain work on the nature of the materials processed in this industry. But as far as the structure of the granulator itself is concerned, the ring mode structure is very common. Such as the ring die granulator of CPM in the United States and the SZLH ring die granulator developed by Zhengchang in China. Although products from different companies vary slightly in shape and size, they all work in the same way. That is to say, the powder enters the granulation chamber for granulation, the ring die is driven by the main shaft to rotate, and the 2-3 pressure rollers installed in the ring die do not revolve, but rotate due to friction with the rotating pressure roller (by compacting the material) . The material entering the granulation chamber is clamped and extruded by the pressure roller, and is continuously extruded through the die hole to form a columnar feed and rotate with the die ring, and then cut into pieces by the cutter fixed outside the die ring. pelleted feed.

The ring die granulator has the following problems in actual use:

1. The scope of application of raw materials is small, mainly suitable for processing feed, high energy consumption and low lifespan when processing biomass fuel, fertilizer and solid waste.

2. The structure of the ring die granulator is complex and the manufacturing cost is high.

3. The manufacturing of the ring die is complicated, and it cannot be used in reverse, and the cost of accessories is relatively high.

4. The particles are thrown to the side wall after cutting, which is easy to be damaged.

Contents of the invention

The technical problem to be solved by the utility model is to provide a multifunctional granulator with high productivity, compact structure, low operation cost, easy operation and suitable for various materials.

In order to achieve the above purpose, the utility model provides a flat die granulator, which is characterized in that it includes: a body; a power drive device arranged on the body; a feeding device arranged on the top surface of the body; The device is arranged on the side of the body; the main shaft is connected with the power drive device and arranged in the body; the granulation part is arranged between the feeding device and the discharging device, including sequentially from top to bottom At least one homogenizing plate, at least one set of pressure rollers, cutters, and scrapers installed on the main shaft; the discharge template is arranged between the pressure rollers and the cutter, and is fixedly installed on the inside the body.

In the flat die granulator mentioned above, the power drive device is an electric motor.

The flat die granulator mentioned above, wherein, the main shaft is connected to the motor through a reduction system.

The above-mentioned flat die granulator, wherein, the main shaft is also provided with a pressure roller frame, the pressure roller group is installed on the pressure roller frame through the pressure roller shaft, and the upper end of the pressure roller frame is also provided with an adjustment lock Tighten the nut.

In the above-mentioned flat die granulator, there are several material holes on the discharge template, and a roller die gap adjustment device is provided at the center.

In the above-mentioned flat die granulator, a forced lubrication system is further provided between the main shaft and the reduction system.

In the flat die granulator mentioned above, the reduction system is a gear reduction system.

In the flat die granulator mentioned above, the roller die gap adjustment device is a spring.

In the flat die granulator mentioned above, the forced lubrication system includes an oil pump and an oil pipe connected to the oil pump.

The above-mentioned flat die granulator, wherein, the body is an integral casting body.

The utility model has the advantages of high productivity, compact structure, low operating cost, easy operation, and high structural strength, and is suitable for various characteristics such as biomass fuel, fertilizer, feed and plastic. Forming of raw materials

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is a structural representation of the utility model flat die granulator;

Fig. 2 is a top view of Fig. 1 .

Among them, reference signs

1 Feeding device 2 Spindle

3 equalizing plate 4 pressure roller stand

5 Press roller shaft 6 Press roller

7 Roller die gap adjustment spring 8 Discharge template

9 Cutter 10 Forced lubrication without pump

11 scraper plate 12 discharge device

13 gear reduction system 14 electric motor

15 Integral casting body 16 Adjusting lock nut

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present utility model are specifically described:

Please refer to Fig. 1 and Fig. 2 for the structural schematic diagram of the flat die granulator of the utility model.

The flat die granulator of the utility model comprises: a body 15, a motor 14 arranged on the body, a feeding device 1 arranged on the top surface of the body, a discharge device 12 arranged on the side of the body, and a gear reduction system 13 The main shaft 2, which is connected with the motor and installed in the machine body, is located between the feeding device and the discharging device, and the adjusting lock nut 16 installed on the main shaft in turn from top to bottom, three evenly distributed equalizing plates 3, the pressing Roll frame 4, cutter 9, scraper plate 11, three groups of pressure rollers 5 are installed on the pressure roller frame through the pressure roller shaft, the positions of the three groups of pressure rollers and the three equalizing plates are staggered, and the pressure rollers and the above-mentioned Discharge template 8 is installed between cutter, and this discharge template is fixed in the body, has several material holes on the discharge template, and its center is provided with roller die gap adjustment spring.

A forced lubrication system is set between the main shaft and the transmission system, and the system sends lubricating oil to each bearing on the main shaft through an oil pump.

The utility model transmits power to the main shaft 2 through the wheel transmission, and the main shaft 2 drives the uniform material plate 3, the pressure roller frame 4 and the pressure roller group 6, the cutter 9 and the scraper plate 11 installed on the pressure roller frame to work. The powder material flows in from the top feeding device 1 in all directions, and the granular product flows out from the side discharging device 10 rapidly. Its principle is extrusion molding. When working, the pressure roller revolves with the main shaft on the one hand, and rotates due to the friction of the material between the rollers on the other hand, so that the material is rubbed and squeezed to form particles in the die hole. Continuous movement, continuous formation of particles, continuous extrusion of particles from the bottom of the discharge template. When the extrusion reaches a certain length, the cutter at the bottom of the die cuts off the pellets. Finally, the scraper is output through the discharge device to complete the granulation process. The machine has a strong structure and is suitable for molding various raw materials with different characteristics such as biomass fuel, fertilizer, feed and plastic.

The discharge formwork of the utility model is interoperable on the front and back sides.

The pressing rollers that make up the pressing roller group can be configured in different quantities for different materials.

The utility model has the advantages of:

1. The raw material has a wide range of adaptability and can be used for molding of various materials.

2. The granulation process does not require conditioning and tempering of the material.

3. Simple structure, easy to operate and maintain.

4. The central feeding is carried out by its own weight, the material is evenly distributed by the homogenizer 3, and the granulation chamber is effectively buffered to reduce blockage and facilitate granulation.

5. The formwork 6 is easy to process, and the front and back sides can be used interchangeably, and the operating cost is low.

6. The body 12 is integrally cast, stable and durable.

7. Equipped with heavy-duty thrust bearings for long service life.

8. Equipped with forced lubrication system 8, the system efficiency is high.

9. After the particles are cut, they flow out by their own weight, which is not easy to be damaged and has a high granulation rate.

In summary, the utility model can be applied to the field of solid granulation with a wide range of products. At the same time, because of its simple structure, low energy consumption, and wide adaptability, it can also be promoted as a replacement product for traditional ring die granulators. Granulation technology has always been the focus of attention in various industries. Through granulation, no dust loss can be achieved, dust hazards can be avoided, material flow properties can be improved, and bulk transportation and storage can be facilitated. Used in various industries, the advantages of granulation are more prominent: biomass fuel granulation can improve combustion efficiency; fertilizer granulation is conducive to the formation of soil aggregate structure and improve the slow application of fertilizer; feed granulation can improve feed quality, Feed utilization rate; however, due to the wide variety of raw material characteristics, there is an urgent need for a multi-functional granulator suitable for a variety of materials.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (10)

1, a kind of flat-die comminutor is characterized in that, comprising:

Body;

Power Drive Unit is arranged on the described body;

Feed arrangement is arranged at described body end face;

Drawing mechanism is arranged at described body side;

Main shaft is connected with described Power Drive Unit and is arranged in the described body;

Granulation portion is arranged between described feed arrangement and the drawing mechanism, comprises at least one equal flitch that is installed in successively from top to bottom on the described main shaft, at least one group of pressure roller, cutting knife, material scraping plate;

Material discharging mould is arranged between described pressure roller and the described cutting knife, and is fixedly mounted in the described body.

2, flat-die comminutor according to claim 1 is characterized in that, described Power Drive Unit is a motor.

3, flat-die comminutor according to claim 2 is characterized in that, described main shaft connects described motor by deceleration system.

4, flat-die comminutor according to claim 1 is characterized in that, also is provided with roller frame on the described main shaft, and described pressure roller group is installed on the described roller frame by pressure roller shaft, and described roller frame upper end also is provided with the adjusting lock nut.

5, flat-die comminutor according to claim 1 is characterized in that, has several material holes on the described material discharging mould, and its center also is provided with the roller die slack adjuster.

6, flat-die comminutor according to claim 3 is characterized in that, also is provided with forcedlubricating system between described main shaft and the described deceleration system.

7, according to claim 3 or 6 described flat-die comminutors, it is characterized in that described deceleration system is a gear reduction system.

8, flat-die comminutor according to claim 5 is characterized in that, described roller die slack adjuster is a spring.

9, flat-die comminutor according to claim 6 is characterized in that, described forcedlubricating system comprises oil pump, connects the oil pipe of oil pump.

10, flat-die comminutor according to claim 1 is characterized in that, described body is the monoblock cast part.

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