CN214172705U - Freeze-drying production line device using liquid nitrogen for granulation - Google Patents

Abstract

The utility model discloses an use freeze-drying production line device of liquid nitrogen pelletization, include: a liquid nitrogen granulator for producing solid cryogranules; a plurality of freeze-drying trays for holding solid cryogranules; a material transfer trolley for transporting the freeze-drying tray; the tray pre-freezing bin is used for pre-freezing the freeze-drying tray to a set temperature and carrying out cold insulation on the solid low-temperature particles on the freeze-drying tray; several freeze dryers for placing freeze drying trays loaded with solid cryogranules inside for vacuum drying. The quick freezing and quick drying of the materials can be realized, the production period and the cost are saved, and simultaneously, the biological activity of the material products can be kept to the maximum extent.

Description

Freeze-drying production line device using liquid nitrogen for granulation

Technical Field

The utility model relates to a freeze-drying production line device.

Background

The freeze drying is to freeze the matter containing great amount of water into solid through lowering the temperature and vacuum to sublimate the solid water while leaving the matter in the frozen ice rack, so that the dried matter has unchanged volume. The solid water absorbs heat during sublimation, which causes a decrease in the temperature of the product itself to slow down the sublimation rate, and the product must be properly heated in order to increase the sublimation rate and shorten the drying time. The entire drying is carried out at a relatively low temperature. The freeze dryer is the processing equipment for realizing the freeze drying process.

The conventional freeze-drying process is to fill liquid materials into containers such as trays or vials, then place the containers on a partition plate of a freeze dryer for freezing, and start vacuum drying after the materials are frozen. The process is divided into two parts, namely product freezing and vacuum drying. The compressor is used for refrigeration in the product freezing period, and the freezing rate is slow; and in the vacuum drying sublimation stage, in the dry later stage, the steam of product lower part need pierce through upper material and just can finally sublime, sublimes surface area and sublimation passageway like this and has influenced the dry rate of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an use freeze-drying production line device of liquid nitrogen pelletization becomes solid low temperature granule with the material freezing, has removed the freezing process of material in the freeze-dryer from to promoted vacuum drying efficiency, shortened the freeze-drying time.

The technical scheme for realizing the purpose is as follows:

a lyophilization line apparatus using liquid nitrogen granulation, comprising:

a liquid nitrogen granulator for producing solid cryogranules;

a plurality of freeze-drying trays for holding solid cryogranules;

a material transfer trolley for transporting the freeze-drying tray;

the tray pre-freezing bin is used for pre-freezing the freeze-drying tray to a set temperature and carrying out cold insulation on the solid low-temperature particles on the freeze-drying tray; and

several freeze dryers for placing freeze drying trays loaded with solid cryogranules inside for vacuum drying.

Preferably, the liquid nitrogen granulator comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

A lyophilization line apparatus using liquid nitrogen granulation, comprising:

a liquid nitrogen granulator for producing solid cryogranules;

a plurality of freeze-drying trays for holding solid cryogranules;

a material transfer trolley for transporting the freeze-drying tray;

and the freeze-drying machines are used for pre-freezing the freeze-drying tray to a set temperature, keeping the solid low-temperature particles on the freeze-drying tray cold, and placing the freeze-drying tray loaded with the solid low-temperature particles in the freeze-drying tray for vacuum drying.

Preferably, the liquid nitrogen granulator comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

A lyophilization line apparatus using liquid nitrogen granulation, comprising:

the liquid nitrogen granulator is used for manufacturing solid low-temperature particles and outputting the solid low-temperature particles from a discharge hole;

a plurality of freeze-drying trays for holding solid cryogranules;

the discharging platform is arranged below a discharging hole of the liquid nitrogen granulator and used for placing the freeze-drying tray;

the freeze-drying machines are used for pre-freezing the freeze-drying tray to a set temperature, keeping the solid low-temperature particles on the freeze-drying tray cold, and placing the freeze-drying tray loaded with the solid low-temperature particles in the freeze-drying tray for vacuum drying; and

and the automatic transfer trolley is used for automatically transporting the freeze-drying tray back and forth between the discharging platform and the freeze dryer.

Preferably, the liquid nitrogen granulator comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

The utility model has the advantages that: the utility model discloses in the product prefreezing stage, will treat that freeze-dried material freezes into the granule in the liquid nitrogen in advance, then shifts into the freeze dryer through artifical or automatic method and carries out vacuum freeze-drying with the granule. The material has been removed like this from the freezing process in the freeze dryer to can realize continuous production, the ejection of compact is transferred simultaneously and is carried out vacuum drying in the freeze dryer in freezing, thereby realizes quick prefreezing and the rapid draing of product. Meanwhile, the material is frozen into particles, so that the surface area of the material is increased, the sublimation surface area of the product is increased, the vacuum drying efficiency is improved, the freeze-drying time is shortened, the operation cost of equipment is saved, and the biological activity of the product is ensured to the maximum extent.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the freeze-drying line apparatus for granulation using liquid nitrogen according to the present invention;

FIG. 2 is a schematic diagram of a second embodiment of the freeze-drying line apparatus for granulation using liquid nitrogen according to the present invention;

fig. 3 is a schematic diagram of a third embodiment of the freeze-drying production line device for granulation using liquid nitrogen according to the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, a freeze-drying production line device using liquid nitrogen granulation according to the present invention includes: the device comprises a liquid nitrogen granulator 1, a plurality of freeze-drying trays 2, a material transfer trolley 3, a tray pre-freezing bin 4 and a plurality of freeze-dryers 5.

The freeze-drying tray 2 is pre-frozen to a set temperature in advance in the tray pre-freezing bin 4, and the liquid nitrogen granulator 1 starts granulation to manufacture solid low-temperature particles. The material transfer trolley 3 takes out the pre-frozen freeze-drying tray 2 from the tray pre-freezing bin 4 and sends the pre-frozen freeze-drying tray 2 to the liquid nitrogen granulator 1 to receive the manufactured solid low-temperature particles, then the material transfer trolley 3 transfers the freeze-drying tray 2 filled with the solid low-temperature particles into the tray pre-freezing bin 4 to keep cold, after the particles reach the loading capacity of one freeze-drying machine 5, all materials in the tray pre-freezing bin 4 are transferred into the freeze-drying machine 5, at the moment, the materials are in a low-temperature freezing state, the freeze-drying machine 5 does not need to be designed with a freezing function, and can directly start to vacuumize for drying. The whole operation is manually completed, and about 3-4 persons are needed.

Referring to fig. 2, a freeze-drying production line apparatus using liquid nitrogen granulation according to one embodiment of the present invention includes: the device comprises a liquid nitrogen granulator 1, a plurality of freeze-drying trays 2, a material transfer trolley 3 and a plurality of freeze-dryers 5. The freeze dryer 5 is designed with a freezing function. The pre-freezing of the freeze-drying tray 2 and the cold insulation before the material drying are both carried out in the freeze dryer 5, and the vacuum pumping and drying are started after the freeze dryer 5 finishes the material loading. The liquid nitrogen granulator 1 produces solid cryogranules. The material transfer trolley 3 carries out the transportation of the freeze-drying tray 2. The whole operation is manually completed, and about 3-4 persons are needed.

Referring to fig. 3, the freeze-drying production line device using liquid nitrogen granulation of the present invention includes: the device comprises a liquid nitrogen granulator 1, a plurality of freeze-drying trays 2, a plurality of freeze-dryers 5, a discharging platform 6 and an automatic transfer trolley 7. The freeze dryer 5 is designed with a freezing function.

The freeze-drying tray 2 is pre-frozen to a set temperature in advance in the freeze dryer 5, and the liquid nitrogen granulator 1 is used for manufacturing solid low-temperature granules and outputting the solid low-temperature granules from a discharge port. The discharging platform 6 is arranged below a discharging port of the liquid nitrogen granulator 1 and used for placing the freeze-drying tray 2. The automatic transfer trolley 7 takes out the pre-frozen freeze-drying tray 2 from the freeze dryer 5 and sends the freeze-drying tray to the discharging platform 3 below the discharging port of the liquid nitrogen granulator 1 to receive the manufactured solid low-temperature particles, and the freeze-drying tray 2 is automatically transferred to the automatic transfer trolley 7 after being filled with materials. Then the mixture is sent into a freeze dryer 5 for cold insulation. And starting vacuum-pumping drying after the freeze dryer 5 finishes loading the materials. In the embodiment, the freeze dryer 5 needs to be designed with a freezing function, all the links are automatically operated, the operation of personnel is not needed, and 2-3 workers can be saved.

Above, the liquid nitrogen granulator 1 includes: liquid nitrogen tank, dropping liquid system and discharge system. The dropping system drops the material into a liquid nitrogen tank for quick freezing to form solid low-temperature particles. The discharging system moves the solid low-temperature particles out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and falls into the freeze-drying tray 2.

The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.

Claims (6)

1. A lyophilization production line apparatus using liquid nitrogen granulation, comprising:

a liquid nitrogen granulator for producing solid cryogranules;

a plurality of freeze-drying trays for holding solid cryogranules;

a material transfer trolley for transporting the freeze-drying tray;

the tray pre-freezing bin is used for pre-freezing the freeze-drying tray to a set temperature and carrying out cold insulation on the solid low-temperature particles on the freeze-drying tray; and

several freeze dryers for placing freeze drying trays loaded with solid cryogranules inside for vacuum drying.

2. A lyophilization line apparatus using liquid nitrogen granulation according to claim 1, wherein the liquid nitrogen granulator comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

3. A lyophilization production line apparatus using liquid nitrogen granulation, comprising:

a liquid nitrogen granulator for producing solid cryogranules;

a plurality of freeze-drying trays for holding solid cryogranules;

a material transfer trolley for transporting the freeze-drying tray;

and the freeze-drying machines are used for pre-freezing the freeze-drying tray to a set temperature, keeping the solid low-temperature particles on the freeze-drying tray cold, and placing the freeze-drying tray loaded with the solid low-temperature particles in the freeze-drying tray for vacuum drying.

4. A freeze-drying production line apparatus using liquid nitrogen pelletization according to claim 3, characterized in that the liquid nitrogen pelletizer comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

5. A lyophilization production line apparatus using liquid nitrogen granulation, comprising:

the liquid nitrogen granulator is used for manufacturing solid low-temperature particles and outputting the solid low-temperature particles from a discharge hole;

a plurality of freeze-drying trays for holding solid cryogranules;

the discharging platform is arranged below a discharging hole of the liquid nitrogen granulator and used for placing the freeze-drying tray;

the freeze-drying machines are used for pre-freezing the freeze-drying tray to a set temperature, keeping the solid low-temperature particles on the freeze-drying tray cold, and placing the freeze-drying tray loaded with the solid low-temperature particles in the freeze-drying tray for vacuum drying; and

and the automatic transfer trolley is used for automatically transporting the freeze-drying tray back and forth between the discharging platform and the freeze dryer.

6. A freeze drying line apparatus using liquid nitrogen granulation according to claim 5, wherein the liquid nitrogen granulator comprises:

a liquid nitrogen tank;

the liquid dropping system is used for dropping the materials into the liquid nitrogen tank to be frozen into solid low-temperature particles; and

and the solid low-temperature particles are moved out of the liquid nitrogen tank through a mesh belt discharging machine or a screw discharging machine and fall into a discharging system of the freeze-drying tray.

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