Cooling device of granulator
By coordinating the design of the conveying pipe and conveying components, the problem of material adhesion in the granulator is solved by utilizing the cooling medium and drying components, achieving a low-cost and efficient cooling and drying process, and improving the quality of the granules.
Patent Information
- Application Number
- CN202520162118.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing pellet mill cooling methods suffer from high manufacturing costs and material sticking issues, especially underwater pelleting and water tank cooling methods, which can easily lead to material accumulation and sticking, affecting pellet quality.
The design employs a combination of a conveying pipe and conveying components. The cooling medium is delivered into the conveying pipe through a water conveying component. The conveying components move the material and bring it into contact with the cooling medium. The cooling medium and the material are separated by a screen plate. Then, the drying component removes excess moisture, preventing material accumulation and adhesion.
It reduces the manufacturing cost of the granulator cooling device, reduces material adhesion, improves particle quality, and the conveying components always drive the material and fluid medium to move, avoiding material accumulation.
Smart Images

Figure CN223701358U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pelletizer technical field especially relates to a pelletizer cooling device. BACKGROUND
[0002] The pelletizer is a kind of equipment that powder or granular material is processed into the granule of required shape and size, to improve the flowability and solubility of material, commonly used in chemical industry, food industry and other technical fields.
[0003] In actual work, the material that has been preliminarily processed is pushed into die head by extruding component in pelletizer to form strip material, and the strip material is cut into granules by cutting knife, and the material needs to be cooled in the process of cutting, the existing cooling method includes underwater cutting and water tank cooling method, underwater cutting can achieve good cooling effect, but the production cost is high, and when using water tank cooling mode, material is prone to accumulate in tank, thereby the problem of material bonding occurs, and then the granule quality is influenced. Therefore, the present application provides a pelletizer cooling device with lower production cost and less material bonding. SUMMARY
[0004] The main purpose of the utility model is to provide a kind of pelletizer cooling device with lower production cost and less material bonding.
[0005] To achieve the above object, the utility model provides a kind of pelletizer cooling device, comprising:
[0006] Material conveying pipe, including first pipe section and second pipe section, the first pipe section is away from the second pipe section one end of the feed inlet, and the feed inlet is connected with the discharge end of extruder, the first pipe section is close to the feed inlet one end of the upper water pipe, the water pipe is communicated with the external water conveying component, water conveying component is used to convey cooling medium in the material conveying pipe, the second pipe section is connected with the first pipe section one end of the inclined setting, and the second pipe section setting height lower one end is communicated with the first pipe section, the inclined section of the second pipe section is also provided with sieve plate, the aperture of the sieve hole on the sieve plate is smaller than the particle size of granular material, the sieve plate is used to separate cooling medium and material in the second pipe section, the second pipe section is away from the first pipe section one end and is provided with discharge port;
[0007] Material conveying component, is arranged in the material conveying pipe, the material conveying component is used to drive the material and cooling medium in the material conveying pipe from the feed inlet to the discharge port direction conveying;
[0008] Cutting knife, is arranged at the feed inlet of the first pipe section, one end of the cutting knife is connected with the material conveying component, the material conveying component drives the cutting knife to rotate and makes it cut the strip material into granules;
[0009] A drying component is arranged below the second pipe section and corresponds to the discharge port, and is used to receive the material transported from the second pipe section and dry the material.
[0010] Further, the material conveying component includes a plurality of augers arranged in the material conveying pipe, each of the augers is arranged in the first pipe section, the inclined section of the second pipe section and the section of the second pipe section close to the discharge port, the cutting knife is connected with the auger arranged in the first pipe section, and a shaft coupling is arranged between each adjacent auger, each of the augers is used to convey the material to the direction of the discharge port, a power unit is arranged at the end of the second pipe section away from the first pipe section, the moving end of the power unit extends into the second pipe section and is connected with the corresponding auger, and the power unit drives each of the augers to rotate through the shaft couplings.
[0011] Further, the drying component includes a material leveling assembly arranged below the discharge port of the second pipe section, the material leveling assembly is used to receive and evenly spread the material output from the second pipe section, and a lifting platform is arranged above the material leveling assembly, a first air blower set is arranged on the telescopic end of the lifting platform, the lifting platform is used to drive the first air blower set to move close to or away from the material leveling assembly, and the first air blower set is used to blow hot air flow to the material leveling assembly to dry the material on the material leveling assembly.
[0012] Further, the material leveling assembly includes a support frame arranged below the second pipe section, a material leveling plate is movably arranged on the support frame, and the material leveling plate is arranged to be inclined, the end of the material leveling plate with a lower height is connected with a conveying component used for the next process, the first air blower set is arranged parallel to the material leveling plate, and a vibration motor is arranged below the material leveling plate, and the vibration motor is used to drive the material leveling plate to vibrate on the support frame.
[0013] Further, the discharge port of the second pipe section is also provided with a material pushing component, the material pushing component includes a first transmission rod and a second transmission rod rotatably arranged at the discharge port, a belt transmission assembly is arranged between the moving end of the power unit and the first transmission rod, the power unit can drive the first transmission rod to rotate through the belt transmission assembly, a first gear is further arranged on the first transmission rod, a second gear meshing with the first gear is arranged on the second transmission rod, when the first transmission rod rotates, the first gear meshes with the second gear and drives the first transmission rod and the second transmission rod to rotate relatively, a material pushing plate is further arranged on each of the transmission rods, and there is a space between the material pushing plate on the first transmission rod and the material pushing plate on the second transmission rod for passing the material located in the middle.
[0014] Further, the second pipe section bottom is further provided with a water collecting tank for collecting cooling medium, the water collecting tank is arranged below the sieve plate and communicates with the second pipe section;
[0015] The second pipe section is further provided with a second fan group, and the second fan group is arranged above the sieve plate and is used for blowing air flow to the direction of the sieve plate, so that the cooling medium attached to the material located at the sieve plate is blown into the water collecting tank.
[0016] The beneficial effects of the utility model are reflected in:
[0017] The utility model discloses, through the cooperation between the material conveying pipe and the material conveying part, when the cutting knife cuts the strip material, the water conveying assembly conveys the cooling medium into the first pipe section, at this time, the cooling medium carries out the temperature reduction to the material and the cutting knife, and simultaneously, the material conveying part conveys the material and the cooling medium in the material conveying pipe to the direction close to the discharge port, the material conveying part moves the material in the conveying process, avoids the adhesion of the material caused by the accumulation of the material, when the cooling medium passes through the sieve plate, the cooling medium flows out the material conveying pipe through the sieve plate, until the material conveying part conveys the material to the drying part, at this time, the drying part dries the material to remove the redundant moisture, compared with the existing underwater cutting system, the equipment production cost is lower, and the material conveying part always moves the material and the fluid medium when working, reduces the problem of the adhesion of the material, improves the particle quality. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the perspective view of the cooling device of the granulator of the utility model;
[0019] Figure 2 It is the sectional view of the cooling device of the granulator of the utility model;
[0020] Figure 3 It is Figure 2 The enlarged view of A in Fig.
[0021] EXPLANATION OF REFERENCE NUMERALS:
[0022] 1, material conveying pipe;11, first pipe section;111, feeding port;12, second pipe section;121, discharge port;13, water conveying pipe;14, sieve plate;2, material conveying part;21, auger;22, shaft coupling;23, power unit;3, cutting knife;4, drying part;41, material uniformizing assembly;411, support frame;412, material uniformizing plate;413, vibration motor;42, lifting platform;43, first fan group;5, material stirring part;51, first transmission rod;52, second transmission rod;53, belt transmission assembly;531, synchronous wheel;532, synchronous belt;54, first gear;55, second gear;56, material stirring plate;6, water collecting tank;7, second fan group;8, extruder. DETAILED EMBODIMENT
[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
[0024] Referring to Figures 1-3 .
[0025] The utility model discloses a granulator cooling device, including:
[0026] The material conveying pipe 1 comprises a first pipe section 11 and a second pipe section 12. The first pipe section 11 is provided with a feeding port 111 at one end away from the second pipe section 12, and the feeding port 111 is connected with the discharging end of the extruder 8. A water conveying pipe 13 is arranged above the end of the first pipe section 11 close to the feeding port 111. The water conveying pipe 13 is in communication with an external water conveying assembly (not shown in the figure). The water conveying assembly is used to convey cooling medium into the material conveying pipe 1. The end of the second pipe section 12 connected with the first pipe section 11 is arranged obliquely. The end of the second pipe section 12 with a lower height is in communication with the first pipe section 11. A sieve plate 14 is arranged on the oblique section of the second pipe section 12. The aperture of the sieve hole on the sieve plate 14 is smaller than the particle size of the granular material. The sieve plate 14 is used to separate the cooling medium in the second pipe section 12 from the material. The end of the second pipe section 12 away from the first pipe section 11 is provided with a discharging port 121.
[0027] The material conveying component 2 is arranged in the material conveying pipe 1. The material conveying component 2 is used to convey the material in the material conveying pipe 1 from the feeding port 111 to the discharging port 121.
[0028] The cutting knife 3 is arranged at the feeding port 111 of the first pipe section 11. One end of the cutting knife 3 is connected with the material conveying component 2. The material conveying component 2 drives the cutting knife 3 to rotate and cut the strip material.
[0029] The drying component 4 is arranged below the second pipe section 12 and corresponds to the discharging port 121. The drying component 4 is used to receive the material conveyed out of the second pipe section 12 and dry the material.
[0030] In the embodiment, when the extruder 8 extrudes the material into strands and extrudes into the first pipe section 11, the material conveying component 2 starts to work and drives the cutting knife 3 to rotate to cut the strands, and the water conveying assembly conveys the cooling medium into the first pipe section 11 to fill the first pipe section 11 with the cooling medium, so that the cooling medium contacts the cutting knife 3 and the granular material to cool them, thereby avoiding that the cutting knife 3 is overheated and the granular material is bonded due to high temperature. During the working process of the material conveying component 2, the material in the conveying pipe 1 is conveyed from the inlet 111 to the outlet 121, and the granular material is fully contacted with the cooling medium to cool the granular material, and the granular material continuously moves in the conveying pipe 1 to avoid bonding, until the cooling medium flows out of the conveying pipe 1 through the sieve plate 14, and then the material conveying component 2 continues to convey the granular material to the outlet 121, and the drying component 4 dries the material conveyed from the second pipe section 12.
[0031] The utility model discloses, through the cooperation between conveying pipe 1 and material conveying component 2, when cutting knife 3 cuts the strand, water conveying assembly conveys cooling medium into first pipe section 11, and cooling medium cools material and cutting knife 3 at this time, and material conveying component 2 conveys material and cooling medium in conveying pipe 1 to the direction close to outlet 121, and material conveying component 2 moves material during conveying process, avoids material bonding due to accumulation, when cooling medium passes sieve plate 14, cooling medium flows out of conveying pipe 1 through sieve plate 14, until material conveying component 2 conveys material to drying component 4, and drying component 4 dries material to remove redundant moisture, compared with prior underwater cutting system, the equipment production cost is lower, and material conveying component 2 always moves material and fluid medium during working, reduces the problem of material bonding, improves granular quality.
[0032] It should be noted that the structure and function of the cutting knife 3 are well known to those skilled in the art, and therefore will not be described in detail here.
[0033] Preferably, the cooling medium can use water in the prior art.
[0034] In an embodiment, the feeding component 2 comprises a plurality of augers 21 arranged in the feeding pipe 1, each of the augers 21 is arranged in the first pipe section 11, the inclined section of the second pipe section 12 and the section of the second pipe section 12 close to the discharge port 121 thereof, the cutting knife 3 is connected with the auger 21 arranged in the first pipe section 11, and a coupling 22 is arranged between each adjacent augers 21, each of the augers 21 is used to carry the material to the direction of the discharge port 121, and the end of the power unit 23 away from the first pipe section 11 is provided with the power unit 23, the moving end of the power unit 23 extends into the second pipe section 12 and is connected with the corresponding auger 21, and the power unit 23 drives each of the augers 21 to rotate through the couplings 22.
[0035] In this way, when the cooling medium is conveyed to the first pipe section 11, the power unit 23 drives each of the augers 21 to rotate through the couplings 22, the auger 21 arranged in the first pipe section 11 drives the cutting knife 3 to rotate and cut the material, and each of the augers 21 stirs the material in the feeding pipe 1 and carries the material to the direction of the discharge port 121, in the stirring process, the material is fully contacted with the cooling medium, so as to ensure the cooling quality, and the stirring of the augers 21 can effectively avoid the accumulation of the material and reduce the adhesion of the material, when the cooling medium flows to the sieve plate 14, the cooling medium flows out of the second pipe section 12 through the sieve plate 14, and the corresponding auger 21 continues to carry the material to move until the material is discharged from the discharge port 121.
[0036] It should be noted that the coupling 22 can adopt the universal coupling in the prior art, and the structure and function of the universal coupling are common knowledge for workers in the field, so it will not be described in detail here.
[0037] Preferably, the power unit 23 can adopt the motor in the prior art.
[0038] In an embodiment, the drying component 4 comprises a material leveling assembly 41 arranged below the discharge port 121 of the second pipe section 12, the material leveling assembly 41 is used to receive and evenly spread the material output from the second pipe section 12, and a lifting platform 42 arranged above the material leveling assembly 41, the telescopic end of the lifting platform 42 is provided with a first air blower set 43, the lifting platform 42 is used to drive the first air blower set 43 to move towards or away from the material leveling assembly 41, and the first air blower set 43 is used to blow hot air flow to the material leveling assembly 41 to dry the material on the material leveling assembly 41.
[0039] In this way, when the material in the second pipe section 12 is conveyed to the material leveling assembly 41 through the discharge port 121, the material leveling assembly 41 levels the material, at this time, the first fan group 43 conveys hot air to the material on the material leveling assembly 41, so as to dry the material, the lifting platform 42 drives the first fan group 43 to move towards or away from the material leveling assembly 41 according to the actual humidity of the material, so as to adjust the drying efficiency of the material by the first fan group 43 by controlling the distance between the first fan group 43 and the material leveling assembly 41.
[0040] In an embodiment, the material leveling assembly 41 comprises a support frame 411 arranged below the second pipe section 12, a material leveling plate 412 movably arranged on the support frame 411, and the material leveling plate 412 is arranged to be inclined, and the lower end of the material leveling plate 412 is connected with a conveying component (not shown in the figure) for the next process, the first fan group 43 is arranged parallel to the material leveling plate 412, and a vibration motor 413 is arranged below the material leveling plate 412, and the vibration motor 413 is used to drive the material leveling plate 412 to vibrate on the support frame 411.
[0041] In this way, when the material is conveyed to the material leveling plate 412, the vibration motor 413 drives the material leveling plate 412 to vibrate on the support frame 411, so that the material is vibrated and spread, and at the same time, the material moves towards the conveying component under the action of gravity, at this time, the first fan group 43 blows hot air to the material, and the spreaded material can be dried faster.
[0042] In an embodiment, the discharge port 121 of the second pipe section 12 is further provided with a material stirring component 5, the material stirring component 5 comprises a first transmission rod 51 and a second transmission rod 52 rotatably arranged at the discharge port 121, a belt transmission assembly 53 is arranged between the first transmission rod 51 and the moving end of the power unit 23, the power unit 23 can drive the first transmission rod 51 to rotate through the belt transmission assembly 53, the first transmission rod 51 is further provided with a first gear 54, the second transmission rod 52 is provided with a second gear 55 engaged with the first gear 54, when the first transmission rod 51 rotates, the first gear 54 and the second gear 55 are engaged and the first transmission rod 51 and the second transmission rod 52 rotate relatively, and each transmission rod is further provided with a material stirring plate 56 for stirring the material, and the material stirring plate 56 on the first transmission rod 51 and the material stirring plate 56 on the second transmission rod 52 have a space for passing the material in the middle.
[0043] In this way, when the material is conveyed from the discharge port 121 to the direction of the material uniformizing plate 412, the power unit 23 drives the first transmission rod 51 to rotate through the belt transmission assembly 53, at this time, the first gear 54 is engaged with the second gear 55 and the first transmission rod 51 is relatively rotated with the second transmission rod 52, the material in the middle part falls on the material uniformizing plate 412 through the space between the first transmission rod 51 and the second transmission rod 52, the material on the two sides is contacted with the material shifting plate 56 on the corresponding transmission rod, each material shifting plate 56 rotates with the corresponding transmission rod and conveys the corresponding material to the direction away from the center of the material uniformizing plate 412, so as to avoid the material from being accumulated on the material uniformizing plate 412 and improve the material uniformizing efficiency of the material uniformizing plate 412.
[0044] It should be noted that the belt transmission assembly 53 comprises two synchronous wheels 531 arranged on the power unit 23 and the first transmission rod 51 respectively and a synchronous belt 532 connecting the two synchronous wheels 531, when the power unit 23 drives the corresponding auger 21 to rotate, the synchronous wheel 531 arranged on the power unit 23 drives the first transmission rod 51 to rotate through the synchronous belt 532.
[0045] In an embodiment, the second pipe section 12 is further provided with a water collecting tank 6 for collecting the cooling medium, the water collecting tank 6 is arranged below the sieve plate 14 and communicates with the second pipe section 12;
[0046] The second pipe section 12 is further provided with a second fan set 7, and the second fan set 7 is arranged above the sieve plate 14 and is used for blowing air flow to the direction of the sieve plate 14, so as to blow the cooling medium attached to the material on the sieve plate 14 into the water collecting tank 6.
[0047] In this way, when the material is conveyed to the sieve plate 14 by the corresponding stirring blade 23, the cooling medium flows into the water collecting tank 6 through the sieve holes of the sieve plate 14 for storage, at this time, the material in the second pipe section 12 is still attached with the cooling medium, the second fan set 7 blows air flow to the direction of the sieve plate 14, so as to air dry the material on the sieve plate 14, blow the cooling medium attached to the material into the water collecting tank 6, and then preliminarily pretreat the material to accelerate the drying efficiency of the material in the drying part 4.
[0048] It should be noted that the water collecting tank 6 can be connected with a circulating part for recycling the cooling medium, so as to facilitate the subsequent treatment of the cooling medium in the water collecting tank 6 for recycling.
[0049] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. In addition, "multiple", "multiple groups", "several" means two or more.
Claims
1. A granulator cooling device, characterized in that, include: The feed pipe (1) includes a first pipe section (11) and a second pipe section (12). The end of the first pipe section (11) away from the second pipe section (12) is a feed inlet (111), and the feed inlet (111) is connected to the discharge end of the extruder (8). A water supply pipe (13) is provided above the end of the first pipe section (11) near the feed inlet (111). The water supply pipe (13) is connected to an external water supply assembly, which is used to supply cooling medium into the feed pipe (1). The second pipe section (12) The end of the second pipe section (12) connected to the first pipe section (11) is inclined, and the end of the second pipe section (12) with a lower height is connected to the first pipe section (11). The inclined section of the second pipe section (12) is also provided with a sieve plate (14). The aperture of the sieve hole on the sieve plate (14) is smaller than the particle size of the granular material. The sieve plate (14) is used to separate the cooling medium in the second pipe section (12) from the material. The end of the second pipe section (12) away from the first pipe section (11) is provided with a discharge port (121). A conveying component (2) is disposed inside the conveying pipe (1). The conveying component (2) is used to drive the material in the conveying pipe (1) to be conveyed from the inlet (111) to the outlet (121). A cutting blade (3) is installed at the feed inlet (111) of the first pipe section (11). One end of the cutting blade (3) is connected to the conveying component (2). The conveying component (2) drives the cutting blade (3) to rotate and cut the strip into pellets. A drying component (4) is disposed below the second pipe section (12) and corresponds to the discharge port (121). The drying component (4) is used to receive the material conveyed from the second pipe section (12) and dry it.
2. The granulator cooling device according to claim 1, characterized in that, The material conveying component (2) includes a plurality of augers (21) disposed in the material conveying pipe (1). Each auger (21) is disposed in the inclined section of the first pipe section (11), the second pipe section (12), and the pipe section of the second pipe section (12) near its discharge port (121). The cutting blade (3) is connected to the auger (21) disposed in the first pipe section (11), and a coupling (22) is provided between each adjacent auger (21). Each auger (21) is used to drive the material to be conveyed towards the discharge port (121). A power unit (23) is provided at one end of the second pipe section (12) away from the first pipe section (11). The moving end of the power unit (23) extends into the second pipe section (12) and is connected to the corresponding auger (21). The power unit (23) drives each auger (21) to rotate together through each coupling (22).
3. The granulator cooling device according to claim 1, characterized in that, The drying component (4) includes a material leveling assembly (41) disposed below the discharge port (121) of the second pipe section (12). The material leveling assembly (41) is used to receive and spread the material output from the second pipe section (12). It also includes a lifting platform (42) disposed above the material leveling assembly (41). A first fan unit (43) is provided on the telescopic end of the lifting platform (42). The lifting platform (42) is used to drive the first fan unit (43) to move towards or away from the material leveling assembly (41). The first fan unit (43) is used to blow hot air towards the material leveling assembly (41) to dry the material on the material leveling assembly (41).
4. The granulator cooling device according to claim 3, characterized in that, The material leveling assembly (41) includes a support frame (411) disposed below the second pipe section (12). A material leveling plate (412) is movably disposed on the support frame (411) and the material leveling plate (412) is inclined. The lower end of the material leveling plate (412) is connected to a conveying component for the next process. The first fan unit (43) is disposed parallel to the material leveling plate (412). A vibration motor (413) is disposed below the material leveling plate (412) and is used to drive the material leveling plate (412) to vibrate on the support frame (411).
5. The granulator cooling device according to claim 2, characterized in that, The second pipe section (12) is further provided with a material feeding component (5) at the outlet (121). The material feeding component (5) includes a first transmission rod (51) and a second transmission rod (52) rotatably disposed at the outlet (121). A belt drive assembly (53) is provided between the first transmission rod (51) and the moving end of the power unit (23). The power unit (23) can drive the first transmission rod (51) to rotate through the belt drive assembly (53). The first transmission rod (51) is also provided with a first gear (54). The two transmission rods (52) are provided with a second gear (55) that meshes with the first gear (54). When the first transmission rod (51) rotates, the first gear (54) and the second gear (55) mesh together and cause the first transmission rod (51) and the second transmission rod (52) to rotate relative to each other. Each transmission rod is also provided with a material feeding plate (56) for feeding materials. There is a space between the material feeding plate (56) on the first transmission rod (51) and the material feeding plate (56) on the second transmission rod (52) for materials located in the middle to pass through.
6. The granulator cooling device according to claim 1, characterized in that, The bottom of the second pipe section (12) is also provided with a water collection tank (6) for collecting cooling medium. The water collection tank (6) is located below the sieve plate (14) and communicates with the second pipe section (12). The second pipe section (12) is also provided with a second fan unit (7), and the second fan unit (7) is located above the screen plate (14) for blowing airflow toward the screen plate (14) so as to blow the cooling medium attached to the material located on the screen plate (14) into the water collection tank (6).