Rotary granulator with cooling structure

Abstract

The utility model discloses a rotary granulator with a cooling structure, which comprises a transmission cabinet, a speed regulation control unit is assembled at the left upper position of the front side of the transmission cabinet, the top of the transmission cabinet is fixedly connected with a partition platform, and a material blocking barrel is fixedly erected on the left side of the top of the partition platform. A heat exchange ring plate is fixedly embedded in the middle of the outer side of the material blocking barrel, a water-cooling ring plate is embedded in the outer side of the heat exchange ring plate, a circulation groove is formed in the inner side of the water-cooling ring plate in a surrounding mode, an independent cooling-water machine is fixedly clamped to the right side of the top of the partition platform, and backflow pipes are fixedly communicated with the front portion of the left side of the independent cooling-water machine in a vertically symmetrical mode; flow inlet pipes are vertically and symmetrically communicated and fixed at the rear part of the left side of the independent cooling-water machine, so that a better cooling and heat exchange effect is achieved, and the situation that the materials cannot be discharged in a complete particle state due to mutual friction, temperature rise, softening and stickiness in a material blocking barrel, and the overall granulation qualification rate is reduced is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary granulator technical field, specifically is a kind of rotary granulator with cooling structure. BACKGROUND

[0002] Granulator is widely used in pharmaceutical, chemical, food industry, its structure includes cabinet, net ring, mill cutter, pressure material leaf and driving motor, driving motor drives mill cutter and pressure material leaf rotation, pressure material leaf rotates and presses downward material, mill cutter rotates and extrudes material to net ring and from the mesh hole on net ring, extruded material in mesh hole is granular, completes granulation;

[0003] But the rotary granulator in the present application in granulating process, its contact part with material is made of stainless steel material, and due to material in rotary granulator granulation, mutual friction can cause granulating environment temperature to increase, most materials are easily softened and sticky under the influence of high temperature, so that the effect of granulation cannot be completed, or after completing granulation, mutual heat fusion and sticking problem occurs, thereby affecting the qualified rate of granulation. INNOVATION CONTENT

[0004] The utility model aims at providing a kind of rotary granulator with cooling structure, can play better cooling heat exchange effect, avoid material in baffle cylinder mutual friction and soften and stick, in turn cause its unable to keep complete particle state and discharge, reduce the qualified rate of overall granulation.

[0005] In order to achieve the above object, a rotary granulator with a cooling structure is provided, comprising a transmission cabinet, a speed control unit is arranged at the upper left side of the front side of the transmission cabinet, a partition platform is fixedly connected to the top of the transmission cabinet, a material blocking cylinder is fixedly arranged on the top left side of the partition platform, a sieve cylinder frame is fixedly connected to the inner side of the center of the material blocking cylinder, a plurality of through grooves are arranged in the outer side of the middle of the sieve cylinder frame in an annular array, a rolling cutter disc is arranged around the outer side of the sieve cylinder frame, the bottom center of the rolling cutter disc is fixedly connected to the output end of the transmission cabinet, the outer side of the rolling cutter disc is slidingly connected to the inner side of the material blocking cylinder, a feeding hopper is fixedly connected to the top of the sieve cylinder frame, a heat exchange ring plate is fixedly embedded in the middle of the outer side of the material blocking cylinder, a water cooling ring plate is nested on the outer side of the heat exchange ring plate, a circulating groove is arranged around the inner side of the water cooling ring plate, a separate water cooler is fixedly clamped on the top right side of the partition platform, a backflow pipe is fixedly connected to the left front side of the separate water cooler in an up-down symmetric manner, an inflow pipe is fixedly connected to the left rear side of the separate water cooler in an up-down symmetric manner, the left ends of the backflow pipe and the inflow pipe are respectively inserted into the circulating groove and fixedly connected to the water cooling ring plate, the water cooling ring plate is arranged around the outer side of the material blocking cylinder, and the separate water cooler is used for water cooling circulation, the heat exchange ring plate is arranged on the inner side of the water cooling ring plate and embedded in the inner wall of the material blocking cylinder to be close to the material, so that better cooling and heat exchange effect is achieved, the material is prevented from being warmed and softened due to mutual friction in the material blocking cylinder, and the material is prevented from being unable to maintain the complete particle state and discharged, thereby reducing the overall granulation qualification rate.

[0006] According to the rotary granulator with a cooling structure, the middle part of the right side of the water cooling ring plate is vertically cut off, and sealing openings are arranged on the front and rear sides of the cut-off part, and the sealing openings are respectively embedded and sealingly fixed to the circulating groove. Avoiding that part of the cooling water directly forms a circulating flow in the water cooling ring plate and does not flow back to the separate water cooler.

[0007] According to the rotary granulator with a cooling structure, a discharge hopper is fixedly connected to the left side of the bottom of the material blocking cylinder, and the discharge hopper is inclined to the left. Facilitating receiving the finished particles from below.

[0008] According to the rotary granulator with a cooling structure, a layer of sliding film is arranged around the inner side of the material blocking cylinder. Reducing the sliding friction loss.

[0009] According to the rotary granulator with a cooling structure, a plurality of bottom pads are fixedly arranged on the bottom of the transmission cabinet in a cross symmetric manner, and an anti-skid pad is fixedly arranged on the bottom side of each bottom pad. Anti-skid and stable arrangement of the cabinet.

[0010] According to the rotary granulator with a cooling structure, the independent chiller has an insulation cover mounted on its top in the front-to-back direction, and a dustproof film is attached to the top of the insulation cover. This reduces the negative impact of the external environment on the chiller's cooling effect and provides dust protection.

[0011] According to the rotary granulator with a cooling structure, a buffer pad is arranged around the inner side of the feeding hopper, and the buffer pad is covered with an anti-sticking film. This allows for the rebound absorption of the introduced material while preventing the material from adhering to the inner wall of the feeding hopper.

[0012] According to the rotary granulator with a cooling structure, an insulating pad is fixed to the bottom of the partition platform. This insulates and isolates the electronic components inside the cabinet from the granulation equipment, preventing the influence of static electricity or mis-currents.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] In this invention, a water-cooled ring plate is mounted around the outside of the baffle cylinder and used in conjunction with an independent chiller for water cooling circulation. A heat exchange ring plate is then installed on the inner side of the water-cooled ring plate and embedded in the inner wall of the baffle cylinder to be close to the material, thereby achieving a better cooling and heat exchange effect. This prevents the material from rubbing against each other inside the baffle cylinder, causing it to heat up, soften, and become sticky, which would prevent it from maintaining a complete particle state during discharge and reduce the overall granulation qualification rate.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram showing the positional distribution of the baffle cylinder and the independent chiller in a rotary granulator with a cooling structure according to this utility model.

[0018] Figure 2 This is a schematic diagram showing the disassembled water-cooled ring plate and heat exchange ring plate in a rotary granulator with a cooling structure according to the present invention.

[0019] Figure 3 This is a cross-sectional view of the water-cooled ring plate and the heat exchange ring plate in a rotary pellet mill with a cooling structure according to this utility model.

[0020] Figure 4 This is a schematic diagram of a rotary granulator with a cooling structure according to the present invention.

[0021] In the diagram: 1. Transmission cabinet; 2. Speed ​​control unit; 3. Isolation platform; 4. Baffle cylinder; 5. Screen cylinder frame; 6. Crushing disc; 7. Feed hopper; 8. Heat exchange ring plate; 9. Water-cooled ring plate; 10. Circulation groove; 11. Return pipe; 12. Inlet pipe; 13. Independent chiller; 14. Discharge hopper; 15. Bottom pad; 16. Insulation cover. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1 - Figure 4 This utility model provides a technical solution: a rotary granulator with a cooling structure, including a transmission cabinet 1. Several base pads 15 are symmetrically fixed to the bottom of the transmission cabinet 1 in a cross shape. Anti-slip pads are attached to the bottom sides of each base pad 15. A speed control unit 2 is installed at the upper left front side of the transmission cabinet 1. A partition platform 3 is fixedly connected to the top of the transmission cabinet 1. An insulating pad is fixed to the bottom of the partition platform 3. A baffle cylinder 4 is fixedly mounted on the top left side of the partition platform 3. A sliding membrane is attached to the inner side of the baffle cylinder 4. A discharge hopper 14 is fixedly connected to the bottom left side of the baffle cylinder 4. The bottom of the hopper 14 is tilted to the left. A screen cylinder frame 5 is fixedly connected to the center of the inner side of the baffle cylinder 4. Several through slots are arranged in a ring array on the lower outer side of the screen cylinder frame 5. A grinding disc 6 is mounted around the outer side of the screen cylinder frame 5. The bottom center of the grinding disc 6 is connected and fixed to the output end of the transmission cabinet 1. The outer side of the grinding disc 6 is slidably connected to the inner side of the baffle cylinder 4. The top of the screen cylinder frame 5 is connected and fixedly connected to the feeding hopper 7. A buffer pad is mounted around the inner side of the feeding hopper 7. A layer of anti-sticking film is covered on the buffer pad to ensure the smooth and stable feeding path and avoid the problem of adhesion and residue.

[0024] The outer middle part of the material blocking cylinder 4 is fixedly embedded with a heat exchange ring plate 8, the outer side of the heat exchange ring plate 8 is nested with a water cooling ring plate 9, the inner side of the water cooling ring plate 9 is provided with a circulating groove 10, the right middle part of the water cooling ring plate 9 is vertically cut off and is provided with a sealing cover on the front and back sides at the cut-off position, the sealing covers are fixedly embedded and sealed with the circulating groove 10 in correspondence, the top right side of the partition platform 3 is fixedly clamped with a separate type water cooler 13, the top of the separate type water cooler 13 is provided with a heat preservation cover 16 in the front and back directions, the top of the heat preservation cover 16 is attached with a layer of dustproof film, the left side front part of the separate type water cooler 13 is fixedly and symmetrically communicated with a backflow pipe 11, the left side rear part of the separate type water cooler 13 is fixedly and symmetrically communicated with an inflow pipe 12, the left ends of the backflow pipe 11 and the inflow pipe 12 are correspondingly inserted into the circulating groove 10 and are fixedly connected with the water cooling ring plate 9, so that a better heat exchange effect is achieved, the material in the material blocking cylinder is prevented from being rubbed, heated and softened and sticky, so that the material cannot be discharged in a complete particle state, and the qualified rate of overall granulation is reduced.

[0025] Working principle: in the utility model, the water cooling ring plate 9 is arranged on the outer side of the material blocking cylinder 4 and is fixedly connected with the separate type water cooler 13 to realize water cooling circulation, the heat exchange ring plate 8 is arranged on the inner side of the water cooling ring plate 9 and is embedded in the inner wall of the material blocking cylinder 4 to be close to the material, so that a better heat exchange effect is achieved, the material in the material blocking cylinder 4 is prevented from being rubbed, heated and softened and sticky, so that the material cannot be discharged in a complete particle state, and the qualified rate of overall granulation is reduced.

[0026] The utility model has been described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A rotary granulator with cooling structure comprising a drive cabinet (1), characterized in that, The front left upper position of the transmission cabinet (1) is equipped with a speed regulation control unit (2), the top of the transmission cabinet (1) is fixedly connected with a partition platform (3), the top left side of the partition platform (3) is fixedly arranged with a material blocking cylinder (4), the inner side center of the material blocking cylinder (4) is fixedly connected with a screening cylinder frame (5), a plurality of through grooves are arranged in the outer side middle lower part of the screening cylinder frame (5) in an annular array, a rolling cutter disc (6) is arranged around the outer side of the screening cylinder frame (5), the bottom center of the rolling cutter disc (6) is fixedly connected with the output end of the transmission cabinet (1), the outer side of the rolling cutter disc (6) is slidingly connected with the inner side surface of the material blocking cylinder (4), and the top of the screening cylinder frame (5) is fixedly connected with a feeding hopper (7) in communication; The outer side middle part of the material blocking cylinder (4) is fixedly embedded with a heat exchange ring plate (8), the outer side of the heat exchange ring plate (8) is nested with a water cooling ring plate (9), the inner side of the water cooling ring plate (9) is arranged with a circulating groove (10) in a ring shape, the top right side of the partition platform (3) is fixedly clamped with a separate type water cooler (13), the left side front part of the separate type water cooler (13) is fixedly connected with a return flow pipe (11) in communication in an up-down symmetry, the left side rear part of the separate type water cooler (13) is fixedly connected with an inflow pipe (12) in communication in an up-down symmetry, and the left ends of the return flow pipe (11) and the inflow pipe (12) are respectively inserted into the circulating groove (10) and fixedly connected with the water cooling ring plate (9).

2. A rotary granulator with cooling structure as claimed in claim 1, characterized in that: The right middle part of the water cooling ring plate (9) is vertically cut off, and sealing openings are arranged on the front and rear sides of the cut-off part, and the sealing openings are respectively embedded and sealingly fixed with the circulating groove (10).

3. A rotary granulator with cooling structure as claimed in claim 1, wherein: The bottom left side of the material blocking cylinder (4) is fixedly connected with a discharging hopper (14) in communication, and the bottom of the discharging hopper (14) is inclined to the left.

4. A rotary granulator having a cooling structure as claimed in claim 1, characterized in that: The inner side surface of the material blocking cylinder (4) is surrounded by a layer of sliding film.

5. A rotary granulator having a cooling structure as claimed in claim 1, characterized in that: The bottom of the transmission cabinet (1) is fixedly connected with a plurality of bottom pads (15) in a cross symmetry, and the bottom side of each bottom pad (15) is fixedly clamped with an anti-skid pad.

6. A rotary granulator having a cooling structure as claimed in claim 1, characterized in that: The top of the separate type water cooler (13) is arranged with a heat preservation cover (16) in a front-rear direction, and the top of the heat preservation cover (16) is clamped with a layer of dustproof film.

7. A rotary granulator having a cooling structure as claimed in claim 1, characterized in that: The inner side surface of the feeding hopper (7) is surrounded by a buffer pad surface, and the buffer pad surface is covered with a layer of anti-sticking film.

8. A rotary granulator having a cooling structure as claimed in claim 1, characterized in that: The bottom of the partition platform (3) is fixedly connected with a layer of insulating pad.

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