CN211586487U

CN211586487U - Granulating machine

Info

Publication number: CN211586487U
Application number: CN201921378809.2U
Authority: CN
Inventors: 刘峰; 李永伦; 沈贤斌; 沈正青; 舒成; 杨洪杰; 王俊豪
Original assignee: China Shenhua Coal to Liquid Chemical Co Ltd; Shanghai Research Institute of China Shenhua Coal to Liquid Chemical Co Ltd
Current assignee: China Shenhua Coal to Liquid Chemical Co Ltd; Shanghai Research Institute of China Shenhua Coal to Liquid Chemical Co Ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-09-29
Anticipated expiration: 2029-08-22

Abstract

The utility model relates to a powder shaping granulation equipment technical field specifically relates to a granulator. The granulator includes casing (1), guide structure and granulator body (3), and inlet (11) and export (12) that casing (1) includes cavity (13) and communicates with cavity (13), and the cavity sets up to holding and installs guide structure and granulator body (3), and the granulator body sets up to carrying out granulation processing in order to obtain the granule to the powder that gets into the cavity through inlet (11), and the guide structure sets up to scraping and guide the granule through export discharge chamber. This granulator is through setting up the guide structure for the aggregate can be discharged under the scraping and guide effect of guide structure, has solved among the prior art aggregate and has easily reunited the difficult exhaust problem of bonding on the aggregate transport mechanism of granulator because of whole softer and leading to, is favorable to the smooth and easy aggregate of granulator to discharge the aggregate, has improved the production efficiency of granulator, has prolonged the life of granulator.

Description

Granulating machine

Technical Field

The utility model relates to a powder shaping granulation equipment technical field specifically relates to a granulator.

Background

At present, a flat-die extrusion granulator is widely applied to the special powder molding granulation production in the chemical fertilizer, fine chemical industry and metallurgical industry. Specifically, the granulation process of the flat-die extrusion granulator is as follows: the powder added through the top inlet falls on the flat template, and the powder on the flat template is rolled by the roller so that the powder is extruded through the template holes of the flat template to obtain cylindrical bars, then the cutter assembly arranged below the flat template continuously cuts the cylindrical bars to obtain short cylindrical particles, namely the finished products of granulation molding, and the short cylindrical particles fall on the material throwing disc and are thrown out through the side outlet by means of the centrifugal force of the material throwing disc.

However, in the granulation production process, the short columnar particles formed by the rigid granulation are not fully radiated, the particles are soft as a whole, and in the process of being thrown off tangentially by the throwing disc, the soft short columnar particles are easy to agglomerate and adhere to the throwing disc and cannot be smoothly thrown off, and even cause material blockage at the discharge port.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the granulator that prior art exists and easily reuniting because of the short column granule texture of the shaping of just granulating is softer and bond the difficult problem of throwing away that leads to on getting rid of the charging tray, the granulator is provided, this granulator is through setting up the guide structure, make the aggregate can discharge under the scraping and guide effect of guide structure, the easy reunion bonding that has solved among the prior art aggregate because of whole softer and lead to is difficult for the discharged problem on the aggregate transport mechanism of granulator (for example, get rid of the charging tray), be favorable to the smooth and easy aggregate of discharging of granulator, the production efficiency of granulator is improved, the life of granulator has been prolonged.

In order to achieve the above object, an aspect of the present invention provides a pelletizer, the pelletizer includes casing, guide structure and pelletizer body, the casing include the cavity and with the entry and the export of cavity intercommunication, the cavity sets up to holding and installing guide structure and pelletizer body, the pelletizer body sets up to can be right the warp the entry gets into the powder of cavity carries out the granulation processing in order to obtain the aggregate, the guide structure sets up to can scrape and guide the aggregate warp the export is discharged the cavity.

Optionally, the material guiding structure includes a material guiding plate mounted on an inner wall of the casing, the pelletizer body includes a material throwing disk disposed below the material guiding plate and used for receiving and throwing out the pellets, the material throwing disk is rotatably mounted on the casing and disposed at the outlet to drive the pellets to rotate and to be thrown out through the outlet, the outlet includes an upstream side and a downstream side opposite to the upstream side along a rotation direction a of the material throwing disk, and one side of the material guiding plate is disposed at a position of the middle of the material throwing disk facing the upstream side and extends to the downstream side.

Optionally, the granulator body comprises a rotating shaft, the rotating shaft is rotatably mounted in the housing and is vertically inserted into the material throwing disk to drive the material throwing disk to rotate, and one side of the material guide plate is arranged adjacent to the position of the rotating shaft facing the upstream side and extends outwards along the tangential direction of the cross section of the rotating shaft.

Optionally, get rid of the charging tray include from the transport face of getting rid of the charging tray upwards extends and coaxial cover is established round platform portion outside the rotation axis, the stock guide be provided with the lower opening of round platform portion adaptation.

Optionally, a side of the guide plate adjacent the downstream side extends out through the outlet.

Optionally, the granulator comprises a discharge chute extending obliquely downward from the outlet, and one side of the guide plate adjacent to the downstream side is arranged to fit the bottom wall of the discharge chute.

Optionally, the inlet is arranged at the top of the housing, the top of the rotating shaft extends to below the inlet, and the granulator comprises a shield which is open downwards and is covered at the top of the rotating shaft for isolating the powder from the top of the rotating shaft.

Optionally, the protective cover is a round table structure with a narrow top and a wide bottom.

Optionally, the material guide plate is configured as a smoothly curved integral structure.

Optionally, the material guide plate is perpendicular to the conveying surface of the material throwing disc.

Through the technical scheme, the utility model provides a granulator, this granulator is through setting up the guide structure for the aggregate can be discharged under the scraping and guide effect of guide structure, has solved among the prior art aggregate and has easily reunited the problem that bonds on the aggregate transport mechanism of granulator be difficult for the discharge because of whole softer leading to of aggregate, is favorable to the smooth and easy aggregate of granulator to discharge the aggregate, has improved the production efficiency of granulator, has prolonged the life of granulator.

Drawings

Fig. 1 is a schematic structural diagram of a pelletizer provided by the present invention;

fig. 2 is a schematic view showing the assembly relationship between the material guide plate and the material throwing disk in the granulator shown in fig. 1.

Description of the reference numerals

1. A housing; 11. an inlet; 12. an outlet; 12a, upstream side; 12b, downstream side; 13. a chamber; 2. a material guide plate; 21. a lower gap; 3. a granulator body; 31. a rotating shaft; 32. throwing the material tray; 321. a circular table portion; 322. a shaft sleeve; a. the rotating direction of the material throwing disc; 33. flattening the template; 34. a power module; 35. a roller mechanism; 36. a cutter assembly; 37. a seal ring; 38. a dust cover; 4. a discharge chute; 5. a shield.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The utility model provides a granulator, as shown in fig. 1 and 2, the granulator includes casing 1, guide structure and granulator body 3, casing 1 include cavity 13 and with entry 11 and the export 12 of cavity 13 intercommunication, cavity 13 sets up to holding and installing guide structure and granulator body 3, granulator body 3 sets up to can be to the warp entry 11 gets into the powder of cavity 13 carries out granulation processing in order to obtain the aggregate, the guide structure sets up to can scrape and guide the aggregate warp export 12 discharges cavity 13.

Through the technical scheme, the utility model provides a granulator, this granulator is through setting up the guide structure for the aggregate can be discharged under scraping and the guide effect of guide structure, solved among the prior art aggregate because of whole soft easy reunion that leads to of conglomerating and bond on the aggregate transport mechanism of granulator (for example, get rid of charging tray isotructure) difficult exhaust problem, be favorable to the smooth and easy discharge aggregate of granulator, improved the production efficiency of granulator, prolonged the life of granulator.

As shown in fig. 1 and 2, the material guiding structure comprises a material guiding plate 2 mounted on the inner wall of the casing 1, the pelletizer body 3 comprises a material throwing disk 32 disposed below the material guiding plate 2 and used for receiving and throwing out the aggregates, the material throwing disk 32 is rotatably mounted on the casing 1 and disposed at the outlet 12 to drive the aggregates to rotate and throw out through the outlet 12, along the rotating direction a of the material throwing disk 32, the outlet 12 comprises an upstream side 12a and a downstream side 12b opposite to the upstream side 12a, one side of the material guiding plate 2 is disposed at the position of the middle of the material throwing disk 32 towards the upstream side 12a and extends towards the downstream side 12b, so that the aggregates can be separated from the material throwing disk 32 under the scraping action of the material guiding plate 2, avoid the aggregates of the soft materials from being bonded and accumulated on the material throwing disk, the output efficiency of aggregate has been improved to the baffle 2 of above-mentioned structure can guide the aggregate to collect the exit, is favorable to the aggregate to be discharged via the exit with the help of the rotation effect of throwing the charging tray.

In order to optimize the guiding function of the material guide plate 2, so that more aggregates received by the material throwing disk can be collected at the outlet, the granulator body 3 comprises a rotating shaft 31, the rotating shaft 31 is rotatably mounted on the housing 1 and is vertically inserted into the material throwing disk 32 to drive the material throwing disk 32 to rotate, one side of the material guide plate 2 is arranged adjacent to the position of the rotating shaft 31 facing the upstream side 12a and extends outwards along the tangential direction of the cross section of the rotating shaft 31, and the aggregates on the material throwing disk can be smoothly collected to the outlet under the guiding function of the material guide plate 2, so that the granulator is simple in structure, safe and efficient.

Further, the material throwing disc 32 comprises a circular table part 321 which extends upwards from the conveying surface of the material throwing disc 32 and is coaxially sleeved outside the rotating shaft 31, the guide plate 2 is provided with a lower notch 21 matched with the circular table part 321, the guiding effect of the guide plate 2 is further optimized, the aggregate scattered on the circular table part 321 can be smoothly collected to an outlet under the guiding effect of the guide plate 2, the aggregate is prevented from being bonded and accumulated on the circular table part 321 of the material throwing disc and the rotating shaft, and the safe operation of the granulator is guaranteed. Further, in order to avoid the accumulation of the granules in the gap between the circular table 321 and the rotating shaft, the material throwing disk 32 includes a shaft sleeve 322 extending upward from the circular table 321 and coaxially fitting over the rotating shaft 31, and the other end of the shaft sleeve 322 extends upward to the dust cap 38 of the granulator (wherein, the dust cap 38 is connected with the flat die plate 33 for isolating the powder and the granules), thereby effectively avoiding the granules from adhering to the rotating shaft and prolonging the service life of the rotating shaft. It is worth mentioning that one side of the guide plate 2 provided with the lower notch 21 comprises an upper part and a lower part, wherein the lower part is arranged adjacent to the circular table 321 and extends outwards along the tangential direction of the cross section of the circular table 321, the upper part is arranged above the circular table 321 and is connected above the lower part, the upper part extends to the position adjacent to the shaft sleeve 322 and extends outwards along the tangential direction of the cross section of the shaft sleeve 322, and the upper part is arranged in a smooth bending structure as shown in fig. 2, so that the guide plate can scrape the granular materials received by the material throwing disc in all directions, the granular materials are effectively prevented from being adhered to the rotating shaft, the safe operation of the rotating shaft is ensured, and the guiding effect of the guide plate on the granular materials is optimized.

In order to discharge all the granular materials through the outlet under the guiding action of the guide plate, one side of the guide plate 2 adjacent to the downstream side 12b extends out through the outlet 12, and the structure is simple, safe and efficient.

As shown in fig. 1, the granulator comprises a discharge chute 4 extending obliquely downwards from the outlet 12, and one side of the guide plate 2 adjacent to the downstream side 12b is arranged to be attached to the bottom wall of the discharge chute 4, so that the guide plate 2 can smoothly guide the granules from the material throwing disc to the discharge chute 4, and the granulator is safe and efficient.

As shown in fig. 1, the inlet 11 is arranged at the top of the housing 1, the top of the rotating shaft 31 extends to the lower part of the inlet 11, the pelletizer includes a protective cover 5, the protective cover 5 is opened downwards and covers the top of the rotating shaft 31 to isolate the powder from the top of the rotating shaft 31, thereby avoiding the problems of abnormal operation and the like caused by the gradual accumulation of powder on the top of the rotating shaft and prolonging the service life of the rotating shaft. Wherein, the top of rotation axis can be various reasonable forms, for example, the top includes the connecting nut, then, the protection casing is used for the cover to establish the connecting nut, avoids piling up the powder between rotation axis and the connecting nut.

Furthermore, the protection cover 5 is of a round table structure with a narrow top and a wide bottom, the structural characteristics that the top of the rotating shaft is of the structure with the narrow top and the wide bottom are fully utilized, the design is reasonable, the occupied space of the protection cover 5 is reduced, and the protection cover 5 is favorable for uniformly distributing powder. The protective cover may be connected by various reasonable connection methods, such as welding, or by screwing, and a screw hole (e.g., the top screw hole shown in fig. 1) needs to be correspondingly formed on the protective cover 5.

In order to simplify the structure of the material guide plate 2 and improve the use strength of the material guide plate 2, the material guide plate 2 is provided with a smoothly curved integral structure.

In order to improve the scraping force of the guide plate 2 when scraping the granules adhered to the material throwing disc, the guide plate 2 is perpendicular to the conveying surface of the material throwing disc 32.

According to the utility model, the granulator still includes flat template 33, power module 34, roller mechanism 35, cutter assembly 36, sealing washer 37 and dust cap 38, wherein, with the direction of height of rotation axis as the reference, roller mechanism 35 connects on the rotation axis and sets up in the below of protection casing 5, flat template 33 (annular structure) is installed on casing 1 and is set up in the below of roller mechanism 35, dust cap 38 is installed at flat template 33 and is overlapped outside the rotation axis, so that dust cap 38, flat template and casing jointly form the powder cavity that is used for holding the powder, still make dust cap 38 and flat template can be used for separating powder and aggregate jointly simultaneously, flat template 33 includes cylindrical die hole, cutter assembly 36 is installed in the part of the next-door neighbour dust cap 38 below of rotation axis and sets up in the flat template below, get rid of the charging tray and install in the rotation axis and set up in the below cutter assembly 36, so that the dust cover 38, the flat die plate, the material throwing disc and the shell together form a granule cavity for containing granules, and the power module 34 is arranged below the material throwing disc and is in transmission connection with the rotating shaft. Wherein the roller mechanism is a cross roller; the cross roller comprises a shaft section and a roller, wherein the shaft section is used for being installed on a rotating shaft, the roller is arranged at one end, away from the rotating shaft, of the cross roller, the roller is rotatably installed at one end, away from the rotating shaft, of the shaft section, in order to avoid powder falling in a gap formed between the roller and the shaft section, a sealing ring can be arranged, and therefore the dust-free operation of the cross roller is protected.

When the granulator is used, the granulator is started, the power module 34 (for example, a motor) drives the rotating shaft to rotate clockwise as shown in fig. 2, and powder is added into the shell from the inlet 11, so that the powder smoothly falls onto the flat template under the action of self gravity and the cloth of the protective cover, when a layer of powder exists on the flat template, the cross roller synchronously rotates along with the rotating shaft, and in the clockwise rotation process of the cross roller, the roller at one end of the cross roller, which is far away from the rotating shaft, rotates under the action of friction resistance of the powder, so that the powder can be rolled into the die holes of the flat template under the rotation action of the roller at one end of the cross roller, which is far away from the rotating shaft; along with the powder constantly adds, constantly accumulate the powder in the nib of flat template, make it extrude downwards through the extrusion effect formation cylindrical strip material of nib, cutter assembly 36 clockwise rotation under the drive effect of rotation axis, cut off the cylindrical strip material of the nib extrusion of flat template, in order to obtain the aggregate, and the aggregate falls on the pivoted material dish that gets rid of under self gravity, under the centrifugal action of getting rid of the material dish and the scraping and guide effect of stock guide, the aggregate is discharged smoothly to the exit and is discharged to the blown down tank through the exit along the motion route that figure 2 shows, so that discharge to the collection device outside the granulator, thereby the granulation operation of granulator has been accomplished.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide a solution of the present invention with a plurality of simple modifications to avoid unnecessary repetition, and the present invention is not described separately for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. A granulator, characterized in that it comprises a housing (1), a guiding structure and a granulator body (3), said housing (1) comprising a chamber (13) and an inlet (11) and an outlet (12) communicating with said chamber (13), said chamber (13) being arranged to receive and mount said guiding structure and granulator body (3), said granulator body (3) being arranged to enable a granulation process of powder entering said chamber (13) through said inlet (11) to obtain granules, said guiding structure being arranged to enable scraping and to guide said granules out of said chamber (13) through said outlet (12).

2. The granulator according to claim 1, characterized in that the material guiding structure comprises a material guiding plate (2) mounted on the inner wall of the housing (1), the granulator body (3) comprises a throwing disk (32) which is arranged below the material guide plate (2) and is used for receiving and throwing the granules out, the material throwing disc (32) is rotatably arranged on the shell (1) and is arranged at the outlet (12), to bring about the rotation of the granulate and to be thrown out via the outlet (12), in the direction of rotation a of the throwing disk (32), the outlet (12) comprising an upstream side (12a) and a downstream side (12b) opposite to the upstream side (12a), one side of the guide plate (2) is arranged at the position of the middle part of the material throwing disc (32) facing the upstream side (12a) and extends towards the downstream side (12 b).

3. The granulator according to claim 2, characterized in that the granulator body (3) comprises a rotating shaft (31), the rotating shaft (31) being rotatably mounted to the housing (1) and being perpendicularly inserted to the material throwing disk (32) for rotating the material throwing disk (32), one side of the material guide plate (2) being arranged adjacent to the rotating shaft (31) towards the upstream side (12a) and extending outwardly in a tangential direction of the cross-section of the rotating shaft (31).

4. The granulator according to claim 3, characterized in that the material throwing disk (32) comprises a circular table portion (321) extending upwards from the conveying surface of the material throwing disk (32) and coaxially sleeved outside the rotating shaft (31), and the material guide plate (2) is provided with a lower notch (21) adapted to the circular table portion (321).

5. A granulator according to claim 2, characterized in that the side of the guide plate (2) adjacent to the downstream side (12b) extends out through the outlet (12).

6. The granulator according to claim 5, characterized in that it comprises a discharge chute (4) extending obliquely downwards from the outlet (12), the side of the guide plate (2) adjacent to the downstream side (12b) being arranged in abutment with the bottom wall of the discharge chute (4).

7. A granulator according to claim 3, characterized in that said inlet (11) is provided at the top of said housing (1), the top of said rotating shaft (31) extending below said inlet (11), said granulator comprising a protective hood (5), said hood (5) opening downwards and covering the top of said rotating shaft (31) for isolating said powder from the top of said rotating shaft (31).

8. Granulator according to claim 7, characterized in that said protection hood (5) is provided in the form of a truncated cone with a narrow top and a wide bottom.

9. A granulator according to any of the claims from 2 to 8, characterized in that the guide plates (2) are provided as a smoothly curved one-piece structure.

10. A granulator according to any of the claims from 2 to 8, characterized in that the guide plates (2) are arranged perpendicular to the transport plane of the throwing disk (32).