CN209612875U - Granulator - Google Patents

Abstract

Granulator provided by the utility model, including molding machine, dust-extraction unit and cover；The molding machine includes intermeshing mold roller, and the cover cover is buckled in the engagement place of two mold rollers, and the dust-extraction unit is connected to the cover, to flying dust dedusting in cover.Granulator provided by the utility model can largely reduce production scene Dust Capacity, and avoiding a large amount of dust from flying upward everywhere leads to pollute production environment even ambient contamination, be good for the environment, more clean working environment can be provided for staff；Furthermore cover can also play soundproof effect, noise is reduced, working environment is further improved.

Description

pellet machine

technical field

The utility model relates to the technical field of biomass pellet fuel production equipment, in particular to a pellet machine.

Background technique

Biomass pellet machine is a kind of biomass pellet machine that can use agricultural and forestry processing waste such as wood chips, straw, rice husk, bark and other biomass as raw materials, and solidify it into high-density pellet fuel through pretreatment and processing. It can save energy and reduce emissions, and has good economic and social benefits.

Usually, a biomass pellet machine includes a feeding device, a molding device, a discharge device, and a transmission device. The molding device generally includes two hollow mold rolls that mesh with each other. The feeding device sends the raw material between the two mold rolls. The transmission device drives the two mold rollers to rotate, and the raw materials are chopped during the meshing process of the two mold rollers, and the chopped raw materials enter the forming holes of the mold rollers under the extrusion of the two mold rollers for forming The material reaches the discharge device from the hollow of the die roller, and the discharge device sends out the granular fuel.

The existing problem is that the raw materials are formed after being cut, shredded, extruded and other processes. When the raw materials go through these production processes, a large amount of dust will be generated, which will cause dust to fly in the production site and cause serious environmental pollution.

Utility model content

The purpose of the utility model is to provide a granulator to solve the technical problem in the prior art that a large amount of dust will be generated when raw materials go through these production processes, which will seriously pollute the environment.

The utility model provides a granulator, which comprises a molding device, a dust removal device and a cover body; the molding device includes mold rolls meshing with each other, the cover body is at least buckled around two mold rolls, the dust removal device and The cover body is connected to remove dust from flying dust in the cover body.

Further, the dust removal device includes a box body, a fan, and a filter bag; the filter bag is arranged in the box body, the box body communicates with the cover body, and the fan is used to dissipate the air in the cover body suction into the box.

Further, the suction fan is arranged in the box, and along the dust conveying direction, the fan is arranged downstream of the filter bag.

Further, the granulator includes a dust removal control box, and the dust removal control box is electrically connected to the dust removal device.

Further, the granulator includes an air quality detection element, which is arranged in the housing for detecting the amount of dust in the housing, and the air quality detection element is connected in communication with the dust removal control box.

Further, the cover communicates with the box through a hose.

Further, the cover body includes a cover body and a dust outlet provided on the top of the cover body, and the dust outlet communicates with the box.

Further, the granulator includes a feeding device, and the feeding device is used to transport the material to the molding device;

Along the conveying direction of the material, the forming device is arranged downstream of the feeding device, and the cover is buckled outside the forming device and at the joint between the forming device and the feeding device.

Further, the granulator includes a soundproof box; the dust removal devices are all arranged in the soundproof box.

Further, the granulator includes a power source; the power source is arranged in the soundproof box, and the power source is in transmission connection with the molding device.

The granulator provided by the utility model includes a molding device, a dust removal device and a cover body; the molding device includes mold rolls that engage with each other, and the cover body is at least covered at the meshing position of the two mold rolls, and the dust removal device and The cover body is connected to remove dust from the cover body.

In the production process of the biomass pellet machine, the cover body is at least used to cover the engagement of the two die rolls, and the cover body at least engages the two die rolls to chop the raw materials and concentrate the dust generated during the extrusion process. In the cover body; the dust removal device removes dust from the flying dust in the cover body, and then discharges the clean gas after dust removal, so as to greatly reduce the amount of dust on the production site, avoid a large amount of dust flying around and cause pollution of the production environment and even the surrounding environment, which is conducive to environmental protection. It can provide a relatively clean working environment for the staff; moreover, the cover body can also play a sound insulation effect, reduce noise, and further improve the working environment.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a schematic structural view of a granulator according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of the dust removal device in the granulator shown in Fig. 1;

Fig. 3 is a schematic structural view of a granulator according to another embodiment of the present invention;

Fig. 4 is a schematic structural view of the cover body in the pellet machine shown in Fig. 3 .

In the figure: 10-forming device; 20-dust removal device; 30-cover body; 40-dust removal control box; 50-hose; 60-air quality detection element; 70-power source; ; 21-box body; 22-fan; 23-filter bag.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Fig. 1 is a schematic structural view of a granulator according to an embodiment of the utility model; Fig. 2 is a schematic structural view of a dust removal device in a granulator according to Fig. 1; Fig. 3 is a schematic diagram of a granulator according to another embodiment of the utility model Schematic diagram of the structure; Fig. 4 is a schematic diagram of the structure of the cover in the pellet machine shown in Fig. 3 .

As shown in Fig. 1 and Fig. 2, the utility model provides a kind of granulator, comprises molding device 10, dedusting device 20 and cover body 30; The cover is buckled at the engagement place of the two mold rolls 11 , and the dust removal device 20 communicates with the cover body 30 to remove dust from the cover body 30 .

In this embodiment, during the production process of the biomass granulator, the cover body 30 is at least used to cover the engagement of the two die rolls 11, and the cover body 30 at least engages the two die rolls 11 to chop the raw materials, The dust generated during the extrusion process is concentrated in the cover body 30; the dust removal device 20 removes dust from the flying dust in the cover body 30, and then discharges the clean gas after dust removal, thereby greatly reducing the amount of dust on the production site and avoiding a large amount of dust flying around It causes pollution to the production environment and even the surrounding environment, which is beneficial to environmental protection and can provide a relatively clean working environment for the staff; moreover, the cover body 30 can also play a sound insulation effect, reduce noise, and further improve the working environment.

Wherein, the cover body 30 is at least used to cover the engagement place of the two mold rolls 11, which means that the cover body 30 can be covered and buckled at the engagement place of the two mold rolls 11, so that the raw material is engaged in the two mold rolls 11. The dust generated by the process is concentrated in the housing 30 .

The cover body 30 can also cover the entire forming device 10 , that is, the two mold rolls 11 are completely wrapped.

As an optional solution, the granulator also includes a feeding device for conveying the material to the forming device 10; along the conveying direction of the material, the forming device 10 is arranged downstream of the feeding device, and the cover body 30 is buckled outside the forming device 10 And the connection between the molding device 10 and the feeding device.

In this embodiment, the cover body 30 wraps the two die rollers 11 , and also wraps the position where the feeding device connects with the molding device 10 , that is, the end position where the feeding device transports raw materials to the molding device 10 . In this embodiment, the cover body 30 can not only engage the two die rollers 11 to cut and shred the raw materials, and collect the dust generated during the molding process, but also can be used for the feeding device to transport the raw materials to the molding device 10. The generated dust is collected, so that this part of the dust enters the box body 21 for removal under the action of the fan 22, thereby further reducing the dust on the production site and further purifying the working environment.

The structure of the dust removal device 20 can be various, for example: the dust removal device 20 includes a dust removal fan 22 and a wet dust collector. A dust removal device 20 for separating and collecting dust particles, such as a spray tower, a scrubber, an impact dust collector, a venturi tube, etc.; or, the dust removal device 20 includes a fan 22 and an electrostatic precipitator, and the fan 22 sends the dust-containing airflow to Into the electrostatic precipitator, the dust-laden airflow enters the electrostatic field in the electrostatic precipitator. Under the action of the high-voltage electric field, the gas is ionized to generate electrons and positive ions. They move to the positive and negative poles respectively. When the dust particles flow through the working electric field When they are negatively charged, they move at a certain speed to the sedimentation plate with the opposite sign of their negative charge, and settle down there, thus breaking away from the air flow and so on.

Wherein, the blower fan 22 can be a blower blower, and the blower blows the dust in the cover body 30 to the dust outlet during the working process, so that the dust enters the box body 21 from the dust outlet. Wherein, the quantity of blower can be one or more, and multiple blowers can be arranged at different positions of cover body 30, but should avoid that the blowing direction of multiple outlet fans 22 interferes with each other, and should blow to the dust outlet together . A plurality of blowers are provided to blow the dust at various positions of the cover body 30, so that the dust in the cover body 30 can be discharged more completely, and then the dust removal can be more complete.

The fan 22 can be a suction fan, that is, the suction port of the fan 22 communicates with the cover body 30 . The suction fan 22 sucks wind into the cover body 30, so that the position in the cover body 30 close to the fan 22 forms a negative pressure, and the gas in other positions is attracted to form an air flow, so that the gas in the cover body 30 is continuously sucked The communication pipeline between the cover body 30 and the box body 21 finally enters the box body 21 for dust removal.

Optionally, the dust removal device 20 includes a box body 21, a fan 22 and a filter bag 23; the filter bag 23 is arranged in the box body 21, the box body 21 communicates with the cover body 30, the The blower 22 is used to suck the air in the cover 30 into the box 21 .

In this embodiment, the blower 22 is used to suck the gas in the cover 30 into the box 21, and then transport the dust in the cover 30 through the principle of negative pressure, then in the process of dust suction, The pressure inside the cover body 30 is lower than the external pressure, and under the action of suction, the dust generated by the feeding device during the process of conveying raw materials and the dust generated by the discharging device during the process of outputting materials can enter under the drive of the airflow. The cover body 30 enters the box body 21 again, thereby further improving the working environment and making the environment of the production site cleaner.

In addition, the negative pressure is formed by using the suction fan, and the dust in the cover body 30 can be completely absorbed without having to install a plurality of them, so that the structure of the dust removal device 20 is simple.

The filter bag 23 adopts fiber woven fabric or filling layer as the filter medium to realize dust removal. The box body 21 provided by this embodiment has a simple structure and is convenient for dust removal, and the filter bag 23 is easy to disassemble and wash, and the cost is low.

Wherein, the fan 22 can be arranged at the dust removal port of the cover 30 ; or, the fan 22 can be arranged on the communication pipeline between the cover 30 and the box 21 .

Optionally, the fan 22 is arranged in the box body 21. In this embodiment, the suction fan works in the box body 21, and the box body 21 communicates with the cover body 30, so the suction fan can suck the gas in the cover body 30 to Inside the box 21. It avoids that when the suction fan is set at the dust outlet to suck the dust to the connecting pipeline, the gas that enters first must be pushed forward by the gas that enters later, so as to improve the efficiency of dust suction and dust removal efficiency.

Along the conveying direction of the dust (the airflow conveys the dust), the fan 22 can be arranged upstream of the filter bag 23 .

Optionally, the blower fan 22 is arranged downstream of the filter bag 23, that is, the blower fan 22 sucks wind after the filter bag 23, and the air flow enters the communication pipeline from the cover body 30, then enters the box body 21 of the box body 21, and passes through the filter bag 23 to filter, and finally pass through the air inlet of the air suction fan, and blow out by the air outlet of the air suction fan. In this embodiment, the suction fan can suck the dust directly through the filter bag 23 through the cover body 30, and the dust suction efficiency is the highest, thereby further improving the dust removal efficiency.

As shown in FIG. 3 , on the basis of the above embodiments, the granulator further includes a dust removal control box 40 , and the dust removal control box 40 is electrically connected to the dust removal device 20 .

In this embodiment, a separate control box is set to control the box body 21 and the fan 22, which is convenient for the staff to operate and debug.

As shown in Figure 4, on the basis of the above embodiments, further, the granulator includes an air quality detection element, the air quality detection element is arranged in the cover body 30, and is used to detect the dust in the cover body 30 The air quality detection element communicates with the dust removal control box 40 .

In this embodiment, the air quality detection element can detect the air quality in the cover body 30, that is, the dust content, and transmit the dust content to the dust removal control box 40, so that the dust removal control box 40 can control the fan according to the current dust amount. The speed of 22, such as, if the amount of dust is more, then control blower fan 22 rotates fast to realize efficient and fast dedusting, if dust amount is few, then control blower blower 22 rotates slowly. Thereby, the electric energy can be reasonably utilized and the production cost can be reduced.

Wherein, the structural form of the air quality detecting element may be various, for example: a dust sensor or a dust detector.

The cover body 30 and the box body 21 may be connected through a cloth bag, or may be connected through a steel pipe, a plastic pipe, or the like.

Optionally, the housing body 30 communicates with the box body 21 through a hose 50 . The hose 50 is flexible, and the hose 50 can be connected to any desired position of the cover body 30 and the box body 21, so that the dust removal device 20 provided by this embodiment has high flexibility.

The dust outlet can be arranged on the side wall of the cover body 30 . Optionally, the dust outlet is set on the top of the cover body, so that the dust in the cover body 30 can move upwards under the drive of the airflow, avoiding that when the dust outlet is set on one side, the dust on the other side needs to pass through the molding The equipment then exits the cover body 30 through the dust outlet, thereby further improving the dust collection efficiency and further improving the dust removal efficiency. Further, the cover body 30 includes a cover body and a dust outlet provided on the top of the cover body, and the dust outlet communicates with the box body 21 .

As shown in Figure 3, on the basis of the above embodiments, further, the granulator includes a power source 70 and a soundproof box 80; the power source 70 and the dust removal device 20 are both arranged in the soundproof box 80, so The power source 70 is in transmission connection with the molding device 10 .

In this embodiment, the soundproof box 80 wraps the power source 70 and the dust removal device 20, so as to play a sound insulation effect and further reduce the noise of the production site.

Wherein, the power source 70 may include a motor, a shaft coupling, and the like.

Certainly, in order to further reduce noise pollution, a sound-insulating layer can be laid on the outer wall or the inner wall of the cover body 30 , or a sound-insulating layer can be laid on both the inner wall and the outer wall of the cover body 30 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A granulator, characterized in that it comprises: a molding device, a dust removal device and a cover body; the molding device includes mold rolls that engage with each other, and the cover body is at least buckled at the meshing position of the two mold rolls , the dust removal device communicates with the cover to remove dust from the cover. 2. The granulator according to claim 1, wherein the dust removal device comprises a box body, a fan and a filter bag; the filter bag is arranged in the box body, and the box body communicates with the cover body , the fan is used to suck the gas in the cover into the box. 3. The granulator according to claim 2, characterized in that, the fan is arranged in the box, and along the dust conveying direction, the fan is arranged downstream of the filter bag. 4. The granulator according to any one of claims 1-3, characterized by comprising a dust removal control box electrically connected to the dust removal device. 5. The granulator according to claim 4, characterized in that it comprises an air quality detection element, the air quality detection element is arranged in the cover body for detecting the amount of dust in the cover body, the air quality detection element The detection element is connected in communication with the dust removal control box. 6. The granulator according to claim 2, characterized in that, the cover communicates with the box through a hose. 7. The granulator according to claim 2, wherein the cover body comprises a cover body and a dust outlet provided on the top of the cover body, and the dust outlet communicates with the box. 8. The granulator according to claim 1, characterized in that it comprises a feeding device, and the feeding device is used to transport materials to the molding device; Along the conveying direction of the material, the forming device is arranged downstream of the feeding device, and the cover is buckled outside the forming device and at the joint between the forming device and the feeding device. 9. The granulator according to claim 1, characterized in that it comprises a soundproof box; the dust removal devices are all arranged in the soundproof box. 10. The granulator according to claim 9, further comprising a power source, the power source is arranged in the soundproof box, and the power source is in drive connection with the molding device.