Dry type granulator

Abstract

The utility model discloses a dry type granulator which comprises a shell, the top and the bottom of the shell are respectively provided with a feed port and a discharge port, the top of the feed port is fixedly connected with a feed channel, and a double-roller pressing roller is arranged in the feed channel. Through cooperation of the shell, the feeding channel and the double-roller pressing roller, powder materials can be pressed into sheets, in the process, a large amount of heat can be generated by the materials, then the materials fall down through the cooling channel, and at the moment, by means of cooperation of the water storage frame, the heat dissipation mechanism and the cooling mechanism, the materials can be cooled through the cooling channel. According to the invention, heat on the surface of the cooling channel can be taken away, so that the temperature of the material can be reduced, the extruded sheet-shaped material can be prevented from becoming soft and sticky, then the cooled sheet-shaped material is subjected to granulation operation by virtue of the cooperation of the screen and the granulating knife roll, the sheet-shaped material can be favorably granulated by a granulating mechanism, and the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dry granulation technical field, concretely is a dry granulator. BACKGROUND

[0002] In the pharmaceutical industry, most of the raw materials are in powder state, and the raw materials have the characteristics of uneven particle size, poor fluidity and easy stratification. These raw materials must be processed by granulation process, so that they can be used for tablet pressing, capsule filling or other pharmaceutical processing procedures. Dry granulator is a kind of granulation process which uses the crystal water in the raw materials to directly compress the raw materials into shape by mechanical extrusion, and then breaks and granulates.

[0003] After searching, the patent application number of China is 202022429664.3, which discloses a kind of dry granulator, the patent discloses a kind of dry granulator, including roller and outer shell, roller is rotatably connected in outer shell, outer shell two sides are symmetrically provided with scraping device, scraping device includes support table, support table upper end is provided with support seat, support seat one side is connected with scraper, outer shell is provided with through slot, there is a certain gap between scraper and roller, outer shell inner wall is provided with material container, material container surface upper end is connected with baffle, material container is connected with pouring box inside, pouring box is provided with auger inside, auger is connected with driving motor, pouring box is provided with discharge port, discharge port lower end is placed with collection box, through scraper, the adherent on the surface of roller is scraped off, can prevent material from sticking to the surface of roller, ensure that the thickness of the sheet extruded by roller is the same, so as to ensure that the size of the particles produced meets the actual production requirements.

[0004] Although the above-mentioned patent can prevent material from sticking to the surface of roller, ensure that the thickness of the sheet extruded by roller is the same, so as to ensure that the size of the particles produced meets the actual production requirements, but in actual use, the patent lacks corresponding cooling structure, long time work is easy to produce certain heat, so that its cooling effect on material is poor, the material is hot melting, the extruded strip material is soft and sticky, which is not easy to be made into particles by granulating mechanism, at the same time, it is easy to cause the temperature of material to rise, so that the particles are easy to stick together after production, which needs manual separation, thereby reducing the work efficiency.

[0005] Therefore, a dry granulator is needed to solve the above-mentioned problems. Utility model content

[0006] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a kind of dry granulator, which has the advantages of being able to cool the extruded material in time, so as to avoid the softening and sticking of the extruded strip material, which is beneficial to the granulating mechanism to make particles, thereby improving the work efficiency.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a dry granulator, including the casing, the top and the bottom of casing are equipped with feeding inlet and discharge outlet respectively, the top of feeding inlet is fixedly connected with feeding channel, the inside of feeding channel is provided with pair of roll pressure roll, and pair of roll pressure roll is driven through speed reducer motor, the bottom of casing feeding inlet is connected with cooling channel, and the bottom of cooling channel is connected with discharge outlet, the surface of cooling channel is equipped with water storage frame, and the top and the bottom of water storage frame are fixedly connected with the top and the bottom of casing inner wall respectively, the surface of water storage frame is provided with heat dissipation mechanism, the outside of water storage frame is provided with cooling mechanism, the bottom of discharge outlet is fixedly connected with support frame, the bottom of support frame is provided with screen, the inside of support frame is rotatably connected with whole grain cutter roll, and whole grain cutter roll penetrates support frame and is driven through rotating motor, the surface of whole grain cutter roll is fixedly connected with a plurality of whole grain knives, and a plurality of whole grain knives are evenly arranged in annular.

[0008] As the utility model is preferred, the heat dissipation mechanism includes the heat absorption plate frame, the heat absorption plate frame is located at the outside of cooling channel and is attached to it, a plurality of heat dissipation fins are fixedly connected to the surface of the heat absorption plate frame, and a plurality of heat dissipation fins are evenly arranged and not in contact with the water storage frame.

[0009] As the utility model is preferred, a plurality of connecting holes are formed on the surface of the heat dissipation fin, and a plurality of connecting holes are evenly arranged, and a plurality of connecting holes are fixedly connected to the inner wall of the same heat exchange pipe on the same water surface.

[0010] As the utility model is preferred, the heat dissipation mechanism includes the liquid pump, the bottom of the liquid pump is fixedly connected to the inner wall of the casing, the input end of the liquid pump is communicated with the water storage frame, the output end of the liquid pump is communicated with the condenser pipe, and the other end of the condenser pipe is communicated with the top of the side edge of the water storage frame.

[0011] As the utility model is preferred, the ventilation openings are symmetrically formed on the two sides of the casing, the heat dissipation fan is fixedly connected in the ventilation opening, and the heat dissipation fan is used in cooperation with the condenser pipe, and the surface of the heat dissipation fan is fixedly connected with the dust screen.

[0012] As the utility model is preferred, the maintenance door is symmetrically formed on the front of the casing through the hinge, and the collecting box is arranged on the bottom of the casing.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a shell, feed channel and the cooperation of the roll press roll can be pressed into sheet shape with powder material, the process can make material produce a large amount of heat, then makes it through the cooling channel and falls, at this time, the cooperation of water storage frame, heat dissipation mechanism and cooling mechanism can take away the heat on the surface of cooling channel, and then can reduce the temperature of material, thereby can avoid the extruded sheet material to be soft and sticky, then the cooperation of screen and whole grain cutter roll carries out the pelleting operation of sheet material after cooling, is favorable to the granulating mechanism and is made into granules, thereby can improve work efficiency.

[0015] 2. The utility model discloses through the setting of heat absorption board frame and heat dissipation fin, can heat absorption the temperature on the surface of cooling channel, and utilize heat dissipation fin to scatter heat, thereby can make the inside of cooling channel cooling, and then can reduce the temperature of material, avoid the extruded sheet material to be soft and sticky. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the sectional view schematic diagram of the utility model structure partial;

[0018] Figure 3 It is the partial three -dimensional schematic diagram of the utility model heat dissipation mechanism and cooling mechanism cooperation;

[0019] Figure 4 It is the three -dimensional schematic diagram of the utility model whole grain cutter roll.

[0020] In the drawing: 1, shell;2, feed channel;3, roll press roll;4, cooling channel;5, water storage frame;6, heat dissipation mechanism;7, cooling mechanism;8, support frame;9, screen;10, whole grain cutter roll;11, maintenance door;12, collection box;601, heat absorption board frame;602, heat dissipation fin;603, heat exchange pipe;701, liquid pump;702, condenser pipe;703, heat dissipation fan;704, dust screen. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] For example, Figures 1 to 4The utility model provides a dry granulator, including casing 1, the four corners of casing 1 bottom are all fixedly connected with support leg, the top and bottom of casing 1 are equipped with feed inlet and discharge port respectively, the top of feed inlet is fixedly connected with feed channel 2, is provided with the roller pressure closing roller 3 in feed channel 2, and the roller pressure closing roller 3 is driven through speed reducer motor, the top of feed channel 2 is connected with feed hopper, the bottom of casing 1 feed inlet is connected with cooling channel 4, and the bottom of cooling channel 4 is connected with discharge port, and the top and bottom of cooling channel 4 surface are all fixedly connected with sealing washer, the surface of cooling channel 4 is equipped with water storage frame 5, and the top and bottom of water storage frame 5 are sealed fixedly connected with the top and bottom of casing 1 inner wall respectively, the inside of water storage frame 5 is filled with refrigeration liquid, and the surface of water storage frame 5 is equipped with heat dissipation mechanism 6, the outside of water storage frame 5 is equipped with cooling mechanism 7, the bottom of discharge port is fixedly connected with support frame 8 symmetrically, and the bottom of support frame 8 is equipped with screen 9, and the inside of support frame 8 is rotatably connected with whole particle cutter roll 10, and whole particle cutter roll 10 penetrates support frame 8 and is driven through rotating motor, and the surface of whole particle cutter roll 10 is fixedly connected with a plurality of whole particle knives, and a plurality of whole particle knives are annularly and evenly arranged.

[0023] Reference Figure 2 And Figure 3 Heat dissipation mechanism 6 includes heat absorption plate frame 601, and heat absorption plate frame 601 is located on the outside of cooling channel 4 and is attached thereto, and a plurality of heat dissipation fins 602 are fixedly connected to the surface of heat absorption plate frame 601, and the plurality of heat dissipation fins 602 are evenly arranged and do not contact water storage frame 5.

[0024] As a technical optimization scheme of the utility model, through the setting of heat absorption plate frame 601 and heat dissipation fin 602, the temperature on the surface of cooling channel 4 can be absorbed, and the heat can be dissipated by heat dissipation fin 602, so that the inside of cooling channel 4 can be cooled, and the temperature of the material can be reduced, avoiding the softening and sticking of the extruded sheet material.

[0025] Reference Figure 2 And Figure 3 A plurality of connecting holes are formed on the surface of heat dissipation fin 602, and the plurality of connecting holes are evenly arranged, and a plurality of connecting holes on the same water surface are fixedly connected to the inner wall of the same heat exchange pipe 603.

[0026] As a technical optimization scheme of the utility model, through the setting of connecting hole and heat exchange pipe 603, a plurality of heat dissipation fins 602 can be mutually heat-conducted, so that the heat dissipation uniformity can be improved, and the heat dissipation effect can be improved.

[0027] Reference Figure 3The heat dissipation mechanism 6 comprises a liquid pumping pump 701, the bottom of the liquid pumping pump 701 is fixedly connected with the inner wall of the shell 1, the input end of the liquid pumping pump 701 is communicated with the water storage frame 5, the output end of the liquid pumping pump 701 is communicated with a condensing pipe 702, the other end of the condensing pipe 702 is communicated with the top of the side edge of the water storage frame 5, and the condensing pipe 702 is in a snakelike shape.

[0028] As a technical optimization scheme of the utility model, through the setting of the liquid pumping pump 701 and the snakelike condensing pipe 702, the length of the condensing pipe 702 is utilized to increase the length of the water circuit, so that the water temperature can be reduced, and the heat will be gradually lost with the increase of the length of the condensing pipe 702.

[0029] Reference Figure 1 The both sides of the shell 1 are symmetrically provided with ventilation openings, the ventilation openings are fixedly connected with heat dissipation fans 703 inside, the heat dissipation fans 703 are used in cooperation with the condensing pipe 702, and the surfaces of the heat dissipation fans 703 are fixedly connected with dust screens 704.

[0030] As a technical optimization scheme of the utility model, through the setting of the heat dissipation fan 703 and the dust screen 704, the heat on the surface of the snakelike condensing pipe 702 can be taken away by air circulation, so that the cooling effect can be improved, and the dust screen 704 can prevent dust from entering the inside of the shell 1.

[0031] Reference Figure 1 And Figure 2 The front of the shell 1 is symmetrically provided with a maintenance door 11 through hinges, and the bottom of the shell 1 is provided with a collecting box 12.

[0032] As a technical optimization scheme of the utility model, through the setting of the maintenance door 11, the staff can maintain the components in the shell 1, and through the setting of the collecting box 12, the materials after granulation can be collected and concentrated, so that subsequent unified treatment can be facilitated.

[0033] The working principle and use process of the utility model: when the material is granulated by using the dry granulator, first, the device is connected with the external power supply, then each electric appliance in the device is started, then the powder filled material is poured into the feeding hopper, at this time, the material is pressed into sheet shape by the pressing roller 3 through the feeding channel 2, and a large amount of heat is generated in the pressing process, then the sheet material is sequentially through the feeding port, the cooling channel 4 and the discharge port, then falls on the screen 9, at this time, the sheet material is cooled by the cooling channel 4, so that the extruded sheet material can be prevented from becoming soft and sticky, the heat absorbing plate frame 601 can absorb heat from the cooling channel 4, so that the cooling channel 4 can be cooled, then the heat absorbing plate frame 601 conducts heat to the heat dissipation fins 602 for heat dissipation, and the heat exchange pipe 603 is arranged, so that the heat dissipation fins 602 can be heat-conducted with each other, so that the heat dissipation uniformity can be improved, then the refrigerant between the cooling channel 4 and the water storage frame 5 can take away the heat of the heat dissipation fins 602, at this time, the heated refrigerant is pumped into the condenser pipe 702 by the liquid pump 701 on the cooling mechanism 7 for cooling, and the heat dissipation fan 703 can take away the heat on the surface of the serpentine-shaped condenser pipe 702 by air flow, so that the cooling effect of the refrigerant can be improved, finally, the sheet material after cooling is extruded by the whole granulating knife roll 10, so that it is made into particles through the screen 9 and is collected in the collecting box 12 for centralized collection, so that subsequent unified treatment can be carried out.

[0034] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dry granulator comprising a housing (1), characterised in that: The top and bottom of the shell (1) are respectively provided with an inlet and an outlet, the top of the inlet is fixedly connected with an inlet channel (2), the inlet channel (2) is internally provided with a pair of roller pressing rollers (3), and the roller pressing rollers (3) are driven by a speed reducer motor, the bottom of the inlet of the shell (1) is communicated with a cooling channel (4), and the bottom of the cooling channel (4) is communicated with the outlet, the surface of the cooling channel (4) is sleeved with a water storage frame (5), and the top and bottom of the water storage frame (5) are respectively sealingly and fixedly connected with the top and bottom of the inner wall of the shell (1), the surface of the water storage frame (5) is provided with a heat dissipation mechanism (6), the outer side of the water storage frame (5) is provided with a cooling mechanism (7), the bottom of the outlet is symmetrically fixedly connected with a support frame (8), the bottom of the support frame (8) is provided with a screen (9), the inside of the support frame (8) is rotatably connected with a whole grain knife roller (10), the whole grain knife roller (10) penetrates through the support frame (8) and is driven by a rotating motor, and the surface of the whole grain knife roller (10) is fixedly connected with a plurality of whole grain knives, and the plurality of whole grain knives are evenly arranged in a ring shape.

2. A dry granulator according to claim 1, characterized in that: The heat dissipation mechanism (6) comprises a heat absorption plate frame (601), the heat absorption plate frame (601) is located on the outer side of the cooling channel (4) and is attached thereto, and the surface of the heat absorption plate frame (601) is fixedly connected with a plurality of heat dissipation fins (602), and the plurality of heat dissipation fins (602) are evenly arranged and not in contact with the water storage frame (5).

3. A dry granulator according to claim 2, characterized in that: The surface of the heat dissipation fin (602) is provided with a plurality of connecting holes, and the plurality of connecting holes are evenly arranged, and the inner walls of the connecting holes on the same water surface are fixedly connected with the same heat exchange pipe (603).

4. A dry granulator as claimed in claim 1, characterized in that: The heat dissipation mechanism (6) comprises a liquid pump (701), the bottom of the liquid pump (701) is fixedly connected with the inner wall of the shell (1), the input end of the liquid pump (701) is communicated with the water storage frame (5), and the output end of the liquid pump (701) is communicated with a condenser pipe (702), and the other end of the condenser pipe (702) is communicated with the top of the side edge of the water storage frame (5).

5. A dry granulator according to claim 4, characterised in that: The two sides of the shell (1) are symmetrically provided with ventilation openings, the inside of the ventilation opening is fixedly connected with a heat dissipation fan (703), and the heat dissipation fan (703) is used in cooperation with the condenser pipe (702), and the surface of the heat dissipation fan (703) is fixedly connected with a dust screen (704).

6. A dry granulator as claimed in claim 1, characterized in that: The front of the shell (1) is symmetrically provided with a maintenance door (11) through a hinge, and the bottom of the shell (1) is provided with a collection box (12).

Images