CN114160040B - Liquid nitrogen cryogenic granulation equipment - Google Patents
Liquid nitrogen cryogenic granulation equipment Download PDFInfo
- Publication number
- CN114160040B CN114160040B CN202111496451.5A CN202111496451A CN114160040B CN 114160040 B CN114160040 B CN 114160040B CN 202111496451 A CN202111496451 A CN 202111496451A CN 114160040 B CN114160040 B CN 114160040B
- Authority
- CN
- China
- Prior art keywords
- groove
- feeding
- top end
- grain
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/102—Stationary cabinets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses liquid nitrogen cryogenic granulation equipment, which structurally comprises an underframe, a magnetic turning plate liquid level meter, granulation equipment, a controller, a hot air blower and a vacuum pump, and has the following beneficial effects that the invention provides a novel equipment scheme for liquid nitrogen cryogenic granulation and high-efficiency freeze-drying, has low cost, is suitable for the current requirements of local probiotic enterprises, not only solves the formulation problem and the equipment problem of a local yogurt starter product, but also improves the freeze-drying efficiency of a bacterial strain and the activity stability; generally, the equipment scheme of the patent has low manufacturing cost and simple operation, and solves the problem of equipment cost of freeze-drying after the nitrogen deep-freezing granulation of the local probiotic liquid; the risk of particle fragmentation during screw discharging is avoided, small particles are discharged, and the problem of continuous discharging is solved; the aerated gas in the vacuum pumping process is heated, and is preheated to 30-60 ℃ according to different processes, and the particle temperature and the drying efficiency are effectively improved by matching with the adjustment of a freeze-drying curve.
Description
Technical Field
The invention belongs to the technical field of liquid nitrogen cryogenic granulation special protective agent schemes and equipment, and particularly relates to liquid nitrogen cryogenic granulation equipment.
Background
In recent years, the development of the local probiotic industry is rapid, but the development of the local probiotic market is rapid, the industrial development of the local probiotic strain is obviously lagged behind, the serious imbalance of the local probiotic strain and the local probiotic strain causes that the domestic market is controlled by the foreign probiotic strain, and particularly, the large-scale industrialization of the local yoghurt starter strain is not realized basically.
The industrialization of the local probiotic strains is basically divided into three aspects, namely strain development, research and development of core production technology and process, application and product development, and the two links of strain development and application research and development are greatly developed at present, but the yogurt fermentation activity of the produced starter product is unstable, the dosage form is single, the industrialization development is seriously hindered, and the core problem is research, development and innovation of the core production technology.
The production technology route and the process of liquid nitrogen cryogenic granulation are generally used by foreign famous probiotic companies, the cell suspension is firstly subjected to liquid nitrogen cryogenic granulation and then freeze-dried, and the particle freeze-drying efficiency is high.
The domestic production of the probiotic strains is a technical route of bacterial suspension tray freeze-drying, namely, the bacterial suspension is placed in a tray and freeze-dried by a freeze-dryer, the materials are integrated in the tray, the freeze-drying efficiency is poor, the cell damage is large, and the activity is unstable.
In the liquid nitrogen cryogenic granulation process, a cell suspension is instantly frozen, and the current protective agent system suitable for tray freeze-drying is not suitable for protecting cells, so that the storage stability after freeze-drying is reduced, and the product performance is influenced;
disadvantages of the prior art
1) The most core problem of large-scale industrial production of the current native yogurt starter strains is unstable fermentation activity, particularly unstable batch-to-batch, which has equipment problems and process problems;
2) the current yoghurt starter granulation production equipment used abroad is expensive and is difficult to bear by domestic enterprises.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the liquid nitrogen deep cooling granulation equipment is provided so as to solve the most core problem of large-scale industrial production of the current local yoghurt starter strains, namely unstable fermentation activity, particularly unstable batch-to-batch; the current yoghurt starter granulation production equipment used abroad is expensive, and domestic enterprises are difficult to bear.
(II) technical scheme
The invention is realized by the following technical scheme: the invention provides liquid nitrogen deep cooling granulation equipment which structurally comprises a bottom frame, a magnetic turning plate liquid level meter, granulation equipment, a controller, an air heater and a vacuum pump, wherein the bottom frame is fixedly connected with the bottom end of the granulation equipment;
the granulating equipment comprises a nitrogen discharge port, a liquid level measuring joint, a granulating tank, a liquid nitrogen adding pipe, a main tank body, a pumping pump, a particle filter plate, a conduit, a granule outlet machine body, a granule guide tank, a vacuum drying tank, a discharge port, an electric control valve, a hot air connecting hole, a protective filter plate, a vacuumizing connecting hole, a pumping connecting plate, a suspension feeding head and an automatic closing device, wherein the granulating tank is arranged inside the main tank body, the lower side of the side end of the main tank body is locked and connected with a magnetic turning plate liquid level meter through the liquid level measuring joint, the upper side of the same end of the main tank body, which is provided with the liquid level measuring joint, is provided with the liquid nitrogen adding pipe, the top end of the main tank body is provided with the suspension feeding head, the nitrogen discharge port, the liquid level measuring joint, the liquid nitrogen adding pipe end and the suspension feeding head are all communicated with the granulating tank, the granule outlet machine body is arranged in the granulating tank and far away from the liquid nitrogen adding pipe end, the pumping connecting plate is fixedly connected with the bottom of the liquid level measuring joint end, which is adjacent to the granule outlet machine body, the vacuum drying machine comprises a granulation tank, a vacuumizing pump, a particle discharging machine body, a particle drying tank, a particle adding pipe, a particle guide tank, a vacuum drying tank, a vacuum connecting hole, a main tank body and a particle discharging machine body bottom end, wherein the vacuumizing pump is arranged at the top end of the granulation tank, the bottom end of the vacuumizing pump is fixedly connected with the top end of the suction connecting plate through a guide pipe, the top end of the particle discharging machine body is fixedly connected with the bottom end of the granulation tank, the granulation tank is positioned at the side, away from the liquid nitrogen adding pipe, of the vacuumizing pump, penetrates through the particle filter plate and penetrates through the particle filter plate through the guide pipe, the bottom end of the vacuum drying tank penetrates through the main tank body and the bottom end of the particle discharging machine body, one end of the vacuumizing connecting hole penetrates through the main tank body bottom end to be connected with a vacuum pump, and the other end of the vacuumizing connecting hole is communicated with the upper side, close to the suction connecting plate, of the vacuum drying tank, the hot air connecting hole is connected with a hot air blower, protective filter plates are arranged at the communicating positions of the hot air connecting hole and the vacuumizing connecting hole and the vacuum drying groove, an electric control valve is fixedly connected to the bottom end of the discharge hole, the automatic closing device is arranged at the communicating positions of the grain guide groove and the vacuum drying groove, and the automatic closing device is communicated with the vacuumizing connecting hole.
Furthermore, the suspension feeding head comprises a rotary feeding rod, a feeding guide hole, a tooth socket, a feeding assembly pipe, an outer sealing cover, a handle groove, an inner sealing head, an inner sealing rod, a feeding joint, a motor assembly cover and a gear, the feeding joint is fixedly connected with the top end of the main box body, the outer sealing cover is connected with the top end of the feeding joint in a covering and locking manner, the inner sealing head is embedded in the middle of the top end of the feeding joint, the handle groove is embedded in the middle of the top end of the inner sealing head, the feeding assembly pipe is arranged at the top end of the granulation groove, the rotary feeding rod is movably buckled at the bottom end of the feeding assembly pipe, the top end of the inner sealing rod is fixedly connected with the bottom end of the inner sealing head, the bottom end of the inner sealing rod penetrates through the feeding joint, the main box body and the feeding assembly pipe to be connected with the top end of the rotary feeding rod, one end of the feeding guide hole penetrates through the side end of the rotary feeding rod, and the other end of the feeding guide hole penetrates through the top end of the rotary feeding rod to be communicated with the bottom end of the inner sealing rod, the rotary feeding rod side end is inlaid with a tooth groove, the motor is fixedly connected with the top end of the granulating groove through a motor assembling cover, the bottom end of the motor is fixedly connected with a gear, and the gear is meshed with the tooth groove.
Further, the automatic closing device comprises a sealing cover groove, a compression spring, a sealing cover plate, a top pressure plate, an air guide groove and a top pressure movable groove, the sealing cover groove is formed in a communicating position of the grain guide groove and the vacuum drying groove, the sealing cover plate is movably buckled in the sealing cover groove, the top end of the side, far away from the grain guide groove, of the sealing cover plate is fixedly connected with the top pressure plate, the top pressure movable groove is formed in the side, close to the grain guide groove, of the top pressure plate, the compression spring is buckled between the side, close to the grain guide groove, of the top pressure plate and the side, close to the grain guide groove, of the top pressure movable groove, the side, close to the grain guide groove, of the top pressure movable groove is communicated with the air guide groove, and the other end of the air guide groove is communicated with the vacuumizing connection hole.
Furthermore, the top end of the pellet discharging machine body is a step-shaped inclined surface, the inclined surface of the pellet discharging machine body gradually increases towards the side far away from the suction connecting plate, the bottom end of the pellet filter plate is arranged at the step of the inclined surface of the pellet discharging machine body, and the pellet filter plate is assembled in an inclined surface state gradually decreasing towards the side far away from the suction pump.
Furthermore, rotatory feed rod, feeding assembly pipe are the cylinder, the feeding guide hole is circular evenly to locate in the rotatory feed rod, the feeding guide hole is located inside the rotatory feed rod and is the spiral rising form to running through rotatory feed rod department slotted hole, feeding guide hole gradient diverse.
Furthermore, the area of the sealing cover plate is larger than that of the particle guide groove.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
the patent provides a novel equipment scheme for liquid nitrogen deep cooling granulation and efficient freeze-drying, has low cost, is suitable for the current requirements of local probiotic enterprises, not only solves the formulation problem and the equipment problem of a local yogurt starter product, but also improves the freeze-drying efficiency of strains and the activity stability;
1) in general, the equipment scheme of the patent has low manufacturing cost and simple operation, and solves the problem of equipment cost of freeze-drying after the nitrogen deep-cooling granulation of the local probiotic liquid;
2) the risk of particle fragmentation during screw discharging is avoided, small particles are discharged, and the problem of continuous discharging is solved;
3) the air is mixed in the vacuum pumping process for heating, the temperature is preheated to 30-60 ℃ according to different processes, and the particle temperature and the drying efficiency are effectively improved by matching with the adjustment of a freeze-drying curve.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural diagram of a liquid nitrogen cryogenic granulation device of the present invention;
FIG. 2 is a schematic view of the structure of the granulating apparatus of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention;
in the figure: an underframe-1, a magnetic turning plate liquid level meter-2, a granulation device-3, a controller-4, a hot air blower-5, a vacuum pump-6, a nitrogen discharge port-a, a liquid level measuring joint-b, a granulation tank-c, a liquid nitrogen adding pipe-d, a main tank body-e, a pressure pump-f, a particle filter plate-g, a conduit-h, a particle discharging machine body-i, a particle guide tank-j, a vacuum drying tank-k, a discharge port-l, an electric control valve-m, a hot air connection hole-n, a protection filter plate-o, a vacuum connection hole-p, a suction connection plate-q, a suspension feeding head-r, an automatic closing device-s, a rotary feeding rod-r 1, a feeding guide hole-r 2, a tooth socket-r 3 and a feeding assembly pipe-r 4, The device comprises an outer sealing cover-r 5, a handle groove-r 6, an inner sealing head-r 7, an inner sealing rod-r 8, a feeding joint-r 9, a motor-r 10, a motor assembling cover-r 11, a gear-r 12, a sealing cover groove-s 1, a compression spring-s 2, a sealing cover plate-s 3, a top pressing plate-s 4, an air guide groove-s 5 and a top pressing movable groove-s 6.
Detailed Description
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a liquid nitrogen cryogenic granulation apparatus: the structure of the granulator comprises an underframe 1, a magnetic turning plate liquid level meter 2, a granulator 3, a controller 4, an air heater 5 and a vacuum pump 6, wherein the underframe 1 is fixedly connected to the bottom end of the granulator 3, the magnetic turning plate liquid level meter 2 is locked to the side end of the granulator 3, the controller 4 is arranged on the granulator 3, the air heater 5 and the vacuum pump 6 are fixedly connected with the underframe 1, and the air heater 5 and the vacuum pump 6 are fixedly connected with the bottom of the granulator 3;
the granulating device 3 comprises a nitrogen discharge port a, a liquid level measuring joint b, a granulating tank c, a liquid nitrogen adding pipe d, a main tank body e, a pumping and pressing pump f, a particle filter plate g, a guide pipe h, a granule discharging machine body i, a granule guide tank j, a vacuum drying tank k, a discharge port l, an electric control valve m, a hot air connecting hole n, a protective filter plate o, a vacuumizing connecting hole p, a pumping connecting plate q, a suspension feeding head r and an automatic closing device s, wherein the granulating tank c is arranged in the main tank body e, the lower side of the side end of the main tank body e is locked and connected with a magnetic turning plate liquid level meter 2 through the liquid level measuring joint b, the liquid nitrogen adding pipe d is arranged on the upper side of the same end of the liquid level measuring joint b, the top end of the main tank body e is provided with the liquid nitrogen adding pipe r, the nitrogen discharge port a, the liquid level measuring joint b, the liquid nitrogen adding pipe d and the suspension feeding head r are communicated with the granulating tank c, the granule discharging machine body i is arranged on the granulating tank c and far away from the end of the liquid nitrogen adding pipe d, suction fishplate bar q and play a body i and be close to liquid level measurement joint b end bottom fixed connection, the pump f of taking out locates pelletization groove c top, pump f bottom is passed through pipe h and suction fishplate bar q top fixed connection, play a body i top and granule filter plate g bottom fixed connection, granule filter plate g top and pelletization groove c top fixed connection, pelletization groove c is located pump f of taking out and keeps away from liquid nitrogen and adds pipe d side, pump f keeps away from liquid nitrogen and adds pipe d side and runs through granule filter plate g through pipe h, it is equipped with vacuum drying groove k to go out inside the pelletization body i, lead a groove j one end and vacuum drying groove k top and communicate with each other, lead a groove j other end and run through a body i top, lead a groove j and run through a body i department and be located granule filter plate g and keep away from pump f side, vacuum drying groove k bottom is through discharge gate l, The hot air connecting hole n penetrates through the bottom ends of a main box body e and a grain discharging machine body i, one end of the vacuumizing connecting hole p penetrates through the bottom end of the main box body e to be connected with a vacuum pump 6, the other end of the vacuumizing connecting hole p is communicated with the upper side of the side, close to a vacuumizing connecting plate q, of a vacuum drying groove k, the hot air connecting hole n is connected with a hot air fan 5, protective filter plates o are arranged at the positions, communicated with the vacuum drying groove k, of the hot air connecting hole n and the vacuumizing connecting hole p, an electric control valve m is fixedly connected to the bottom end of a discharge hole l, an automatic closing device s is arranged at the position, communicated with a grain guiding groove j and the vacuum drying groove k, and the automatic closing device s is communicated with the vacuumizing connecting hole p.
Wherein the suspension feeding head r comprises a rotary feeding rod r1, a feeding guide hole r2, a tooth groove r3, a feeding assembly pipe r4, an outer sealing cover r5, a handle groove r6, an inner sealing head r7, an inner sealing rod r8, a feeding connector r9, a motor r10, a motor assembly cover r10 and a gear r10, the feeding connector r10 is fixedly connected with the top end of the main box body e, the top end of the feeding connector r10 is wrapped and locked with the outer sealing cover r10, the middle part of the top end of the feeding connector r10 is inlaid with the inner sealing head r10, the middle part of the top end of the inner sealing head r10 is inlaid with the handle groove r10, the feeding assembly pipe r10 is arranged at the top end of the granulation groove c, the bottom end of the feeding assembly pipe r10 is movably buckled with the rotary feeding rod r10, the top end of the inner sealing rod r10 is fixedly connected with the bottom end of the inner sealing rod r10, the bottom end of the inner sealing rod r10 penetrates through the feeding connector r10, the main box body r10, the feeding connector r10 and the top end of the rotary feeding rod r10, and the feeding assembly pipe r10, the other end of the feeding guide hole r2 penetrates through the top end of a rotary feeding rod r1 and is communicated with the bottom end of an inner sealing rod r8, a tooth groove r3 is embedded at the side end of the rotary feeding rod r1, a motor r10 is fixedly connected with the top end of a granulating groove c through a motor assembling cover r11, a gear r12 is fixedly connected to the bottom end of the motor r10, and the gear r12 is meshed with the tooth groove r 3.
The automatic closing device s comprises a sealing cover groove s1, a compression spring s2, a sealing cover plate s3, a top pressure plate s4, an air guide groove s5 and a top pressure movable groove s6, the sealing cover groove s1 is arranged at the communication position of a particle guide groove j and a vacuum drying groove k, the sealing cover plate s3 is movably buckled in the sealing cover groove s1, the top end of the sealing cover plate s3 far away from the particle guide groove j side is fixedly connected with the top pressure plate s4, the top pressure plate s4 side close to the particle guide groove j is provided with a top pressure movable groove s6, the compression spring s2 is buckled between the top pressure plate s4 side close to the particle guide groove j side and the top pressure movable groove s6 side close to the particle guide groove j side, the top pressure movable groove s6 side close to the particle guide groove j side is communicated with the air guide groove s5, and the other end of the air guide groove s5 is communicated with a vacuum pumping connection hole p.
The top end of the grain discharging machine body i is a stepped inclined plane, the inclined plane of the grain discharging machine body i gradually increases towards the side far away from the suction connecting plate q, the bottom end of the grain filter plate g is arranged at the stepped position of the inclined plane of the grain discharging machine body i, and the grain filter plate g is assembled in an inclined plane state gradually decreasing towards the side far away from the suction pump f.
The rotary feeding rod r1 and the feeding assembly pipe r4 are both cylinders, the feeding guide hole r2 is uniformly arranged in the rotary feeding rod r1 in a circular shape, the feeding guide hole r2 is positioned in the rotary feeding rod r1, a slotted hole penetrating through the rotary feeding rod r1 is in a spiral rising shape, and the inclination of the feeding guide holes r2 is different.
Wherein, the area of the cover sealing plate s3 is larger than that of the grain guide groove j.
The working principle is as follows: when the device is used, a proper amount of liquid nitrogen which does not exceed the bottom end of the particle filter plate g can be added into the granulation tank c through the liquid nitrogen adding pipe d, then the outer sealing cover r5 can be unlocked, the inner sealing cover r7 and the inner sealing rod r8 can be taken out through the handle groove r6, granulation addition of bacterial suspension can be carried out from the feeding connector r9, during addition, the motor r10 can be controlled by the controller 4 to drive the rotary feeding rod r1 to rotate, the spiral feeding guide hole r2 with different inclinations of the rotary feeding rod r1 can carry out small particle addition at different angles on the bacterial suspension due to centrifugal force, so that the bacterial suspension is more uniform when entering the liquid nitrogen, accumulation can not be formed, and the small particles can be better formed in the liquid nitrogen, then the pumping pump f can be controlled by the controller 4 to pump bottom liquid nitrogen and the formed small particles to enter the top end of the particle discharging machine body i, and then the liquid nitrogen can flow back into the granulation tank c through the particle filter plate g, the particles enter the vacuum drying groove k from the particle guide groove j, when the material needs to be discharged, the vacuum drying in the vacuum drying groove k can be carried out through the vacuum pump 6, at the moment, the air entrainment heating can be carried out through the hot air blower 5, according to different processes, the granules are preheated to 30-60 ℃, the temperature and the drying efficiency are effectively improved by matching with the adjustment of a freeze-drying curve, and simultaneously, when carrying out the vacuum extraction, roof pressure board s4 can be because connect the communicating air guide groove s5 absorption of hole p with the evacuation and drive closing cap board s3 and remove closing cap and lead grain groove j, the communicating department of vacuum drying groove k, prevent inside the vacuum extraction pelletization groove c of taking out pressure, the back accessible automatically controlled valve m of drying finishing carries out the ejection of compact, the cracked risk of granule when having avoided the screw rod ejection of compact, the tiny particle ejection of compact, the problem of continuous ejection of compact has been solved, this patent equipment scheme low in manufacturing cost, and easy operation, the problem of the equipment cost of freeze-drying after having solved native probiotic liquid nitrogen cryrogenic pelletization.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The control mode of the invention is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the invention.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a liquid nitrogen cryrogenic pelletization equipment, its structure includes that chassis (1), magnetism turn over board level gauge (2), pelletization equipment (3), controller (4), air heater (5), vacuum pump (6), pelletization equipment (3) bottom fixedly connected with chassis (1), pelletization equipment (3) side lock joint has magnetism to turn over board level gauge (2), on pelletization equipment (3) was located in controller (4), air heater (5), vacuum pump (6) all with chassis (1) fixed connection, air heater (5), vacuum pump (6) all with pelletization equipment (3) bottom fixed connection, its characterized in that:
the granulating device (3) comprises a nitrogen discharge port (a), a liquid level measuring joint (b), a granulating tank (c), a liquid nitrogen adding pipe (d), a main tank body (e), a suction pressure pump (f), a particle filter plate (g), a conduit (h), a granulating machine body (i), a particle guide tank (j), a vacuum drying tank (k), a discharge port (l), an electric control valve (m), a hot air connecting hole (n), a protective filter plate (o), a vacuum connecting hole (p), a suction connecting plate (q), a suspension feeding head (r) and an automatic closing device(s), the granulating tank (c) is arranged in the main tank body (e), a magnetic turnover plate liquid level meter (2) is locked and connected to the lower side of the side end of the main tank body (e) through the liquid level measuring joint (b), the liquid nitrogen adding pipe (d) is arranged on the same upper side of the liquid level measuring joint (b) and on the main tank body (e), and the top end of the suspension feeding head (r) is arranged on the main tank body (e), the device is characterized in that a nitrogen discharge port (a), a liquid level measuring connector (b), a liquid nitrogen adding pipe (d), a suspension feeding head (r) are communicated with a granulating groove (c), a granule outlet machine body (i) is arranged in the granulating groove (c) and is far away from the liquid nitrogen adding pipe (d) end, a suction connecting plate (q) and the granule outlet machine body (i) are adjacent to the liquid level measuring connector (b) end bottom fixed connection, a pumping pump (f) is arranged at the top end of the granulating groove (c), the bottom end of the pumping pump (f) is fixedly connected with the top end of the suction connecting plate (q) through a guide pipe (h), the top end of the granule outlet machine body (i) is fixedly connected with the bottom end of a granule filter plate (g), the top end of the granule filter plate (g) is fixedly connected with the top end of the granulating groove (c), the granulating groove (c) is located at the side of the pumping pump (f) far away from the liquid nitrogen adding pipe (d), the pumping pump (f) is far away from the liquid nitrogen adding pipe (d) side and runs through the granule filter plate (g) through the guide pipe (h), a vacuum drying groove (k) is arranged in the grain discharging machine body (i), one end of the grain guiding groove (j) is communicated with the top end of the vacuum drying groove (k), the other end of the grain guiding groove (j) penetrates through the top end of the grain discharging machine body (i), the grain guiding groove (j) penetrates through the grain discharging machine body (i) and is positioned on the side, away from the pumping pump (f), of the grain filter plate (g), the bottom end of the vacuum drying groove (k) penetrates through the main box body (e) and the bottom end of the grain discharging machine body (i) through a discharge hole (l) and a hot air connecting hole (n), one end of the pumping vacuum connecting hole (p) penetrates through the bottom end of the main box body (e) and is connected with a vacuum pump (6), the other end of the pumping vacuum connecting hole (p) is communicated with the upper side, close to the pumping connecting plate (q), of the hot air connecting hole (n) is connected with a hot air machine (5), and protective filter plates (o) are arranged at the communicated parts of the hot air connecting hole (n) and the pumping vacuum drying groove (p), the bottom end of the discharge hole (l) is fixedly connected with an electric control valve (m), the automatic closing device(s) is arranged at the communication position of the grain guide groove (j) and the vacuum drying groove (k), and the automatic closing device(s) is communicated with the vacuumizing connection hole (p);
the suspension feeding head (r) comprises a rotary feeding rod (r1), a feeding guide hole (r2), a tooth groove (r3), a feeding assembly pipe (r4), an outer sealing cover (r5), a handle groove (r6), an inner sealing head (r7), an inner sealing rod (r8), a feeding joint (r9), a motor (r10), a motor assembly cover (r11) and a gear (r12), wherein the feeding joint (r9) is fixedly connected with the top end of a main box body (e), the outer sealing cover (r5) is wrapped and locked at the top end of the feeding joint (r9), the inner sealing head (r7) is embedded in the middle of the top end of the feeding joint (r9), the handle groove (r6) is embedded in the middle of the top end of the inner sealing head (r7), the feeding assembly pipe (r4) is arranged at the top end of a granulation groove (c), the bottom end of the feeding assembly pipe (r4) is movably buckled with the rotary feeding rod (r1), and the top end of the inner sealing head 8 is fixedly connected with the inner sealing head 7, the bottom end of the inner sealing rod (r8) penetrates through a feeding joint (r9), the main box body (e) and a feeding assembly pipe (r4) to be connected with the top end of a rotary feeding rod (r1), one end of a feeding guide hole (r2) penetrates through the side end of the rotary feeding rod (r1), the other end of the feeding guide hole (r2) penetrates through the top end of the rotary feeding rod (r1) to be communicated with the bottom end of the inner sealing rod (r8), the side end of the rotary feeding rod (r1) is embedded with a tooth groove (r3), a motor (r10) is fixedly connected with the top end of the granulating groove (c) through a motor assembling cover (r11), the bottom end of the motor (r10) is fixedly connected with a gear (r12), and the gear (r12) is meshed with the tooth groove (r 3);
the automatic closing device(s) comprises a cover sealing groove (s1), a compression spring (s2), a cover sealing plate (s3), a top pressing plate (s4), an air guide groove (s5) and a top pressing movable groove (s6), the sealing cover groove (s1) is arranged at the communication part of the grain guide groove (j) and the vacuum drying groove (k), the sealing cover plate (s3) is movably buckled in the sealing cover groove (s1), the top end of the side, away from the grain guide groove (j), of the sealing cover plate (s3) is fixedly connected with a top pressure plate (s4), a jacking movable groove (s6) is arranged on the side of the jacking plate (s4) adjacent to the grain guide groove (j), a compression spring (s2) is buckled between the side of the top pressure plate (s4) adjacent to the granule guide groove (j) and the side of the top pressure movable groove (s6) adjacent to the granule guide groove (j), the top pressure movable groove (s6) is communicated with the gas guide groove (s5) at the side close to the particle guide groove (j), and the other end of the gas guide groove (s5) is communicated with the vacuumizing hole (p);
the top end of the grain discharging machine body (i) is a stepped inclined surface, the inclined surface of the grain discharging machine body (i) gradually increases progressively towards the side far away from the suction connecting plate (q), the bottom end of the grain filtering plate (g) is arranged at the step of the inclined surface of the grain discharging machine body (i), and the grain filtering plate (g) is assembled in an inclined surface state gradually decreasing progressively towards the side far away from the suction pump (f);
the rotary feeding rod (r1) and the feeding assembly pipe (r4) are both cylinders, the feeding guide holes (r2) are uniformly arranged in the rotary feeding rod (r1) in a circular shape, the feeding guide holes (r2) are positioned in the rotary feeding rod (r1) and spirally ascend to the groove holes penetrating through the rotary feeding rod (r1), and the inclination of the feeding guide holes (r2) is different;
the sealing cover plate (s3) is larger in area than the grain guide groove (j).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496451.5A CN114160040B (en) | 2021-12-09 | 2021-12-09 | Liquid nitrogen cryogenic granulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496451.5A CN114160040B (en) | 2021-12-09 | 2021-12-09 | Liquid nitrogen cryogenic granulation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114160040A CN114160040A (en) | 2022-03-11 |
| CN114160040B true CN114160040B (en) | 2022-07-12 |
Family
ID=80484726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111496451.5A Active CN114160040B (en) | 2021-12-09 | 2021-12-09 | Liquid nitrogen cryogenic granulation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114160040B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706291A (en) * | 2013-12-11 | 2014-04-09 | 光明乳业股份有限公司 | Improved liquid nitrogen cryogenic granulating equipment |
| CN105289410A (en) * | 2015-11-17 | 2016-02-03 | 上海东富龙科技股份有限公司 | Vacuum spray-freezing granulation device and method thereof |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990013285A1 (en) * | 1989-05-01 | 1990-11-15 | Enzytech, Inc. | Process for producing small particles of biologically active molecules |
| US5922253A (en) * | 1995-05-18 | 1999-07-13 | Alkermes Controlled Therapeutics, Inc. | Production scale method of forming microparticles |
| US6331245B1 (en) * | 1999-11-23 | 2001-12-18 | Kellogg Brown & Root, Inc. | Petroleum resid pelletization |
| WO2005042219A1 (en) * | 2003-10-24 | 2005-05-12 | Ferro Corporation | Method of forming particles |
| DE602004032262D1 (en) * | 2003-12-19 | 2011-05-26 | Alk Abello As | PROCESS FOR THE CYLOGRANULATION AND STORAGE OF ALLERGENS |
| DE102005018949A1 (en) * | 2005-04-18 | 2006-10-19 | Ami-Agrolinz Melamine International Gmbh | Solid particles production, especially urea particles, from flowable starting material containing e.g. actinium oxide, useful e.g. in catalysts or milling bodies, comprises splitting into droplets and introducing into solidification liquid |
| CN101379356B (en) * | 2006-02-10 | 2013-07-17 | 普莱克斯技术有限公司 | Method of inducing nucleation of a material |
| DE102007032778A1 (en) * | 2007-07-13 | 2009-01-15 | Linde Ag | Apparatus and method for prilling |
| CN101904869B (en) * | 2010-07-06 | 2012-11-07 | 陕西精健新星生物医药有限公司 | Method for preparing animal semen freeze-dried powder |
| CN102586152B (en) * | 2012-03-02 | 2013-07-24 | 光明乳业股份有限公司 | Process and special equipment for preparing liquid nitrogen copious cooling granulating lactic acid bacteria direct vat set |
| CN203139974U (en) * | 2013-03-12 | 2013-08-21 | 河北一然生物科技有限公司 | Equipment for manufacturing deeply-refrigerated particles |
| JP2015229129A (en) * | 2014-06-04 | 2015-12-21 | 日本ゼオン株式会社 | Granulating device and method of producing composite particle |
| CN206670200U (en) * | 2017-04-24 | 2017-11-24 | 河南工程学院 | The vacuum freeze drier of anti-suck |
| US10155234B1 (en) * | 2017-08-04 | 2018-12-18 | ZoomEssence, Inc. | Ultrahigh efficiency spray drying apparatus and process |
| GB201721588D0 (en) * | 2017-12-21 | 2018-02-07 | Asymptote Ltd | Container for cryopreserved samples |
| CN208671501U (en) * | 2018-07-13 | 2019-03-29 | 保定尚科仪器仪表科技有限公司 | Temperature control electrical heating vacuum drier |
| CN214172704U (en) * | 2021-01-07 | 2021-09-10 | 上海东富龙科技股份有限公司 | Liquid nitrogen pelletization equipment |
-
2021
- 2021-12-09 CN CN202111496451.5A patent/CN114160040B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706291A (en) * | 2013-12-11 | 2014-04-09 | 光明乳业股份有限公司 | Improved liquid nitrogen cryogenic granulating equipment |
| CN105289410A (en) * | 2015-11-17 | 2016-02-03 | 上海东富龙科技股份有限公司 | Vacuum spray-freezing granulation device and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114160040A (en) | 2022-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211660718U (en) | Dissolving device for polyethylene recovery | |
| CN114160040B (en) | Liquid nitrogen cryogenic granulation equipment | |
| CN110861354A (en) | Biodegradable plastic film hot-pressing forming bag making machine | |
| CN211733861U (en) | Carbon product impregnating device | |
| WO2023159697A1 (en) | Apparatus and method for purifying carbon nanotubes | |
| CN215120033U (en) | Intelligent high-voltage common box dehumidification device for buses | |
| CN207042596U (en) | A kind of horizontal sand mill | |
| CN214199508U (en) | Dehumidification drying equipment is used in plastic pellet processing | |
| CN210070403U (en) | Laminate polymer battery high vacuum microchannel water trap | |
| CN209173943U (en) | A kind of active carbon in-place regeneration device | |
| CN207645819U (en) | A kind of silica powder drying and nitrogen gas recovering apparatus | |
| CN207894142U (en) | Lithium ion battery powder high-temperature vacuum drying equipment | |
| CN207104062U (en) | A kind of high temperature resistant cordless power trolley type gas cutting machine | |
| CN207960895U (en) | A kind of vacuum supply system of low energy consumption | |
| CN206247852U (en) | A kind of tube furnace with nitrogen protection | |
| CN217383557U (en) | Supercritical dryer for producing organic and inorganic MOFs composite porous material | |
| CN212006740U (en) | Magnetic material sintering is with arranging gluey stove | |
| CN220489404U (en) | Heating tank with temperature control function | |
| CN215439666U (en) | Internet of things urea filling machine with automatic pressure maintaining function | |
| CN206247726U (en) | A kind of Elema production cooling back installation | |
| CN218047300U (en) | Hypergravity carbon dioxide adsorption equipment | |
| CN205957657U (en) | Silicon chip drying -machine | |
| CN210159616U (en) | Dispersion reaction kettle with good sealing performance | |
| CN211026356U (en) | Active carbon regenerating unit | |
| CN212798020U (en) | Chemical storage tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220624 Address after: 510665 No. 342, shatai South Road, Tianhe District, Guangzhou, Guangdong Province Applicant after: GUANGZHOU FENGXING DAIRY INDUSTRY CO.,LTD. Applicant after: Guangdong yikeweiwu Technology Co., Ltd Address before: 510510 No. 342 Shatainan Road, Tianhe District, Guangzhou City, Guangdong Province Applicant before: GUANGZHOU FENGXING DAIRY INDUSTRY CO.,LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |