CN104946512B - The quick-frozen formation system of particle - Google Patents

Abstract

The invention discloses a kind of quick-frozen formation system of particle, the quick-frozen formation system of particle includes refrigerating equipment (200) and the quick-frozen former of particle (100) for preparing frozen particle, is connected with and is used for the air exhausting device (9) in caused cold air drainage in the quick-frozen former of the particle (100) to the refrigerating equipment (200) between the quick-frozen former of particle (100) and the refrigerating equipment (200).The quick-frozen formation system of particle provided by the invention can make full use of resource, the utilization rate of liquid nitrogen be improved, so as to save energy consumption.

Description

Granule Quick Freezing Forming System

technical field

The invention relates to the technical field of frozen granule production, in particular to a granule quick-freezing molding system.

Background technique

In the production process of yogurt and lactic acid bacteria beverages, high-quality starter is the premise to ensure product quality. Historically, the preparation of starter can be divided into four stages of development, namely: natural starter stage, traditional liquid starter stage, freeze-concentrated dry starter stage, and cryogenic starter stage. Among them, with the advancement of cold chain transportation technology and the improvement of production enterprises' requirements for the quality of starter, direct-injection starter prepared using liquid nitrogen cryogenic technology has gradually been favored by the market. The liquid nitrogen cryogenic method is mainly to mix the bacteria with the protective agent, use liquid nitrogen as the cooling medium, make the bacteria directly contact with the liquid nitrogen, and freeze the bacteria in a very short time. Liquid nitrogen cryogenic technology has fast freezing speed, good product quality, low energy consumption, high safety, and low production cost. It is a promising green food cold processing technology. Moreover, the starter produced by deep freezing of liquid nitrogen has the advantages of high survival rate of starter bacteria, fast fermentation speed, and the original aroma production performance of the starter can be maintained.

In the process of producing frozen particles using liquid nitrogen cryogenic method, liquid nitrogen will evaporate to produce nitrogen cold air. At present, the produced nitrogen cold air will be discharged into the atmosphere, resulting in a waste of cold air resources.

Contents of the invention

The object of the present invention is to provide a granule quick-freezing molding system, which can make full use of resources, thereby saving energy consumption.

In order to achieve the above object, the present invention provides a granule quick-freezing molding system, the granule quick-freezing molding system includes refrigeration equipment and granule quick-freezing molding equipment for preparing frozen granules, and the granule quick-freezing molding equipment is connected to the refrigerating equipment There is an exhaust device for discharging cold air generated in the granule quick-freezing and forming equipment to the refrigerating equipment.

Preferably, the granule quick-freezing molding equipment includes a diversion channel extending from top to bottom, and also includes a material extruding device capable of extruding material droplets and making the material droplets fall to the diversion channel, and capable of corresponding A liquid nitrogen supply device for discharging liquid nitrogen from the diversion channel;

The granule quick-freezing molding equipment also includes a main engine compartment with an inlet and an outlet, the diversion channel is arranged in the main engine compartment, and the material extruding device and the liquid nitrogen supply device are arranged in the main engine compartment. At the entrance, the exhaust device is arranged at the exit.

Preferably, the material extruding device includes a plurality of extrusion holes corresponding to the diversion channel, the material liquid nitrogen supply device includes a plurality of liquid discharge grooves corresponding to the diversion channel, and the plurality of The extrusion holes are arranged corresponding to the spaces between the plurality of liquid drainage grooves.

Preferably, there are a plurality of diversion channels, and the plurality of extruding holes and the plurality of drain grooves are respectively divided into multiple groups, and each diversion channel corresponds to a group of extruding holes and a group of extruding holes. Set the drain tank.

Preferably, the flow guide channel includes a bent structure formed by connecting a plurality of mutually inclined flow guide plates end-to-end.

Preferably, the guide channel is configured such that its width decreases from top to bottom.

Preferably, the granule quick-freezing molding equipment further includes a drain guide plate having a plurality of drain holes, the drain guide plate is received at the bottom end of the diversion channel and extends obliquely downward.

Preferably, a collection device is provided at the bottom end of the drainage guide plate, and the collection device includes a collection pan arranged at the bottom end of the drainage guide plate and a movement that enables the collection pan to move back and forth in the horizontal direction. mechanism.

Preferably, the moving mechanism includes a connecting rod and a rotatable turntable, one end of the connecting rod is hinged on the collecting tray, and the other end is hinged on a non-central position of the turntable.

Preferably, a liquid nitrogen pool is provided at the bottom of the host compartment, and a liquid nitrogen pool is provided between the liquid nitrogen pool and the liquid nitrogen supply device to form a liquid circulation between the liquid nitrogen pool and the liquid nitrogen supply device. liquid pump.

Preferably, the liquid nitrogen pool is connected with a liquid replenishing device and/or a liquid level gauge is arranged in the liquid nitrogen pool.

Preferably, an insulation layer is provided on the housing of the main engine compartment.

Preferably, the refrigerating equipment includes a box body, and there are a plurality of first partitions and a plurality of second partitions in the box, and the plurality of first partitions and the plurality of second partitions are alternately spaced arranged along the height direction of the box;

The box body has opposite first side walls and second side walls, one ends of the plurality of first partitions are respectively fixed on the first side walls, and the other ends are respectively connected to the second side walls. A gap is formed; one end of the plurality of second partitions is respectively fixed on the second side wall, and a gap is formed between the other end and the first side wall;

The box body is provided with an interface for connecting the exhaust device, and the interface is arranged below the first and second partitions at the bottom.

Preferably, the plurality of first partitions are all perpendicular to the first side wall, and the plurality of second partitions are all perpendicular to the second side wall.

Preferably, the box body is provided with a plurality of opening doors, and each of the opening doors corresponds to at least one subspace in the box body formed by partitioning the first partition board and the second partition board.

Preferably, a liquid nitrogen tank is provided at the bottom of the box.

Preferably, the refrigerating equipment further includes an air extraction device for extracting air from the outside and discharging it to the liquid nitrogen tank.

Preferably, an exhaust pipe is arranged on the top of the box.

Preferably, at least one layer of storage racks is respectively arranged in each subspace in the box formed by the first partition and the second partition.

Preferably, the bottom of the box is provided with rollers.

Preferably, an insulating layer is provided on the wall of the box.

In the granule quick-freezing system provided by the present invention, the granule quick-freezing forming equipment evaporates liquid nitrogen in the process of preparing frozen granules to generate cold air, which is discharged into the refrigeration equipment through the exhaust device, compared with the direct evaporation of liquid nitrogen in the prior art. The cold air is discharged into the atmosphere, and the granule quick-freezing molding system provided by the present invention can make full use of resources, improve the utilization rate of liquid nitrogen, and thereby reduce energy consumption.

Other features and advantages of the present invention will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, together with the following specific embodiments, are used to explain the present invention, but do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is a schematic structural view of a pellet quick-freezing molding system provided in one embodiment of the present invention;

Fig. 2 is the structural representation of pellet quick-freezing molding equipment;

Fig. 3 is a structural schematic diagram of the co-installation of the material extruding device and the liquid nitrogen supply device;

Fig. 4 is the structural representation of material extrusion device (viewed from the bottom);

Fig. 5 is the structural representation of liquid nitrogen supply device;

Fig. 6 is a schematic structural view of the first deflector;

Fig. 7 is a schematic structural view of a second deflector;

Fig. 8 is a schematic structural diagram of a third deflector;

Fig. 9 is a structural schematic diagram of a liquid discharge guide plate;

Fig. 10 is a schematic structural diagram of a refrigeration device.

Explanation of reference signs

100-granule quick-freezing molding equipment; 1-host warehouse;

11 - entrance; 12 - exit;

13-liquid nitrogen pool; 14-level gauge;

2-material extrusion device; 21-extrusion hole;

22-material pipeline; 3-liquid nitrogen supply device;

31-drainage tank; 32-liquid nitrogen pipeline;

4-guiding channel; 41-the first deflecting plate;

42-the second deflector; 43-the third deflector;

5-drainage guide plate; 6-collection device;

61-collecting tray; 62-turning disk;

63-connecting rod; 7-liquid pump;

8-Liquid nitrogen feeding pipe; 9-Exhaust device;

200-refrigeration equipment; 201-cabinet;

202-roller; 203-first side wall;

204-second side wall; 205-first partition;

206-the second partition; 207-liquid nitrogen tank;

208-interface; 209-exhaust pipe.

Detailed ways

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

In the present invention, unless stated to the contrary, the words used in the present invention such as "upper, lower, inner, outer" and other words indicating orientation or positional relationship are based on the orientation or positional relationship of the product in use .

The present invention provides a granule quick-freezing molding system. As shown in FIG. 1 , the granule quick-freezing molding system includes a refrigerating device 200 and a granule quick-freezing molding device 100 for preparing frozen granules. There is an exhaust device 9 for discharging cold air generated in the pellet quick-freezing and forming equipment 100 to the refrigeration equipment 200 .

In the process of preparing frozen granules in the particle quick-freezing molding equipment 100, liquid nitrogen will evaporate to generate cold air. The present invention discharges the cold air into the refrigeration equipment 200 through the exhaust device 9, and can make full use of the cold air to make the refrigeration equipment 200 have a refrigeration effect. Therefore, compared with the method in the prior art that directly discharges the cold air generated by the evaporation of liquid nitrogen into the atmosphere, the particle quick-freezing molding system provided by the present invention can make full use of resources, improve the utilization rate of liquid nitrogen, and thereby reduce energy consumption.

The granule quick-freezing and molding equipment 100 and the refrigeration equipment 200 will be described in detail below through specific implementation methods.

It should be noted that the technical core of the present invention is that the cold air generated by the granule quick-freezing and molding equipment 100 can be discharged into the refrigeration device 200 through the exhaust device 9 . Therefore, the present invention is not limited to the granule quick-freezing molding equipment 100 and the refrigerating equipment 200 provided in this embodiment, and may also be other types of granule quick-freezing molding equipment 100 capable of generating cold air and refrigerating equipment 200 capable of introducing cold air.

As shown in Fig. 1 and Fig. 2, the granule quick-freezing molding equipment 100 provided in this embodiment includes a flow guide channel 4 extending from top to bottom, and also includes a channel capable of extruding material droplets and allowing the material droplets to fall to the flow guide channel 4. The material extruding device 2 of the channel 4 and the liquid nitrogen supply device 3 capable of discharging liquid nitrogen corresponding to the diversion channel 4 . By setting the material extruding device 2 and the liquid nitrogen supply device 3, both the material droplets and the liquid nitrogen fall into the diversion channel 4 and slide down along the diversion channel 4 at the same time, and the material droplets and liquid nitrogen fall to the diversion channel 4 During the process of contacting each other, the material droplets are completely frozen in the process of sliding down, forming frozen particles.

The pellet quick-freezing molding equipment 100 also includes a main engine compartment 1 having an inlet 11 and an outlet 12, the diversion channel 4 is arranged in the main engine compartment 1, and the material extruding device 2 and the liquid nitrogen supply device 3 are arranged at the inlet 11 of the main engine compartment 1 , the exhaust device 9 is arranged at the outlet 12 , and the liquid nitrogen will generate cold air during the whole process, and the cold air can be discharged into the refrigeration equipment 200 through the exhaust device 9 .

The granule quick-freezing molding equipment 100 provided in this embodiment has a simple structure, is easy to maintain, is low in cost and is practical. Moreover, the device is frozen into shape by contacting the material droplet with the liquid nitrogen when the material droplet and the liquid nitrogen slide down together in the diversion channel 4 . The freezing of each material droplet in the process of sliding down the guide channel 4 is not easy to cause adhesion. Therefore, using the particle quick-freezing molding equipment provided in this embodiment to manufacture frozen particles can improve the separation degree of particles and make the finished particles uniform, which is beneficial to The product quality is improved, thereby effectively solving the problem that the frozen granules produced in the prior art tend to stick together and affect the product quality.

Wherein, the structure of material extrusion device 2 and liquid nitrogen supply device 3 is shown in Figure 3-Fig. 22 enters each extrusion hole 21, and extrudes from each extrusion hole 21 to form a plurality of material droplets, which can freely fall onto the diversion channel 4; the material liquid nitrogen supply device 3 includes a corresponding diversion The channel 4 is provided with a plurality of drain tanks 31 , and liquid nitrogen enters each liquid nitrogen tank 31 from the liquid nitrogen pipeline 32 , and freely falls from each liquid nitrogen tank 31 to the diversion channel 4 . Wherein, the plurality of extruding holes 21 are arranged corresponding to the spaces between the plurality of liquid drainage grooves 31 .

In this embodiment, preferably, a plurality of diversion channels 4 are provided, and a plurality of extrusion holes 21 and a plurality of liquid discharge grooves 31 are respectively divided into multiple groups, and each diversion channel 4 corresponds to a group of extrusion holes 21 and A set of drainage grooves 31. By dividing the extruding holes 21 and the liquid discharge grooves 31 into multiple groups, and assigning each group to different flow guide channels 4, it is possible to avoid more material droplets falling into one flow guide channel 4, thereby better Freeze-formed particles can be separated more accurately, and the adhesion between particles can be better avoided.

More preferably, as shown in FIG. 3 and FIG. 5 , the plurality of extrusion holes 21 are divided into multiple rows and arranged in an array, and the drainage grooves 31 are arranged in parallel, and each extrusion hole 21 corresponds to the drainage groove 31 The space between each row of discharge holes 21 and each row of drain grooves 31 is set at intervals. In this embodiment, each diversion channel 4 corresponds to a discharge hole 21 and a drain groove 31 , and the squeeze hole 21 and the drain groove 31 are arranged along the width direction of the diversion channel 4 .

In this embodiment, each flow guide channel 4 includes a bent structure formed by a plurality of mutually inclined flow guide plates connected end to end. Setting the diversion channel 4 as a bent structure can increase the length of the diversion channel 4 so that the frozen particles can slide down in a long enough channel to completely freeze, and can also save the space occupied by the diversion channel 4 .

Each guide channel 4 is specifically formed by connecting the first guide plate 41, the second guide plate 42 and the third guide plate 43 end to end, the first guide plate 41, the second guide plate 42 and the third guide plate The structure of the deflector 43 is shown in FIG. 6 , FIG. 7 and FIG. 8 respectively. Wherein, the second deflector 42 is a trapezoidal structure with a wide top and a narrow bottom, and the upper end of the second deflector 42 has the same width as the lower end of the first deflector 41, and the lower end of the second deflector 42 has the same width as the third deflector. The width of the upper end of the baffle 43 is the same, and like this, after the three baffles are connected end to end, the width of the flow guide channel 4 formed is to shrink from top to bottom, and the width of the flow guide channel 4 is set to shrink from top to bottom, which is In order to keep the liquid nitrogen at a certain depth during the fall of the diversion channel 4, and not gradually become shallower due to evaporation or leakage of the liquid nitrogen during the descent of the diversion channel 4, so as to ensure that the frozen particles are falling Always have full contact with liquid nitrogen during the process.

Of course, the setting of the guide channel 4 is not limited to the setting in this embodiment, in other embodiments, the guide channel 4 can also be composed of two guide plates or more guide plates, and is not limited to only The second deflector 42 is configured as a trapezoidal structure. For example, each deflector can also be configured as a trapezoid, so that the width of the deflector channel 4 is reduced from top to bottom.

The main machine compartment 1 is also provided with a drain guide plate 5, as shown in Figure 2 and Figure 9, the drain guide plate 5 has a plurality of drain holes, which are connected to the bottom of the diversion channel 4, and are inclined to Extend down. The liquid nitrogen engulfs the frozen-formed particles and slides down the diversion channel 4. During the process of falling to the liquid discharge guide plate 5 and sliding along the liquid discharge guide plate 5, the liquid nitrogen passes through the liquid discharge hole of the liquid discharge guide plate 5. discharge, thereby screening out the freeze-formed particles.

A collection device 6 is provided at the bottom of the discharge guide plate 5 , and the screened out frozen particles can drop into the collection device 6 along the discharge guide plate 5 . Wherein, the collection device 6 includes a collection pan 61 arranged at the bottom of the discharge guide plate 5 and a moving mechanism capable of making the collection pan 61 move back and forth in the horizontal direction. in order to collect more particles.

Preferably, the moving mechanism includes a connecting rod 63 and a rotatable turntable 62 , one end of the connecting rod 63 is hinged on the collecting tray 61 , and the other end is hinged on a non-central position of the turntable 62 . During the rotation of the turntable 62, the connecting rod 63 is driven to move, and the movement of the connecting rod 63 drives the collecting tray 61 to move back and forth. Those skilled in the art should understand that the moving mechanism capable of driving the collecting tray 61 to move is not limited to the connecting rod 63 and the turntable 62 in this embodiment, for example, a hydraulic mechanism may be provided to drive the collecting tray 61 to move back and forth.

In this embodiment, a liquid nitrogen pool 13 is provided at the bottom of the host compartment 1 , and the liquid nitrogen discharged from the drain hole of the drain guide plate 5 falls into the liquid nitrogen pool 13 . A liquid pump 7 is arranged between the liquid nitrogen pool 13 and the liquid nitrogen supply device 3, and the liquid nitrogen in the liquid nitrogen pool 13 is transported to the liquid nitrogen supply device 3 by the liquid pump 7, and the liquid nitrogen falls to the liquid nitrogen supply device 3 again. In the liquid nitrogen pool 13, the liquid nitrogen forms a cycle, which not only improves the utilization rate of the liquid nitrogen, but also facilitates the continuous production of the liquid nitrogen.

In addition, in order to avoid the emission of cold air generated by liquid nitrogen during the production process, an insulation layer is provided on the shell of the main engine compartment 1 to reduce the emission of cold air.

Because in the production process, liquid nitrogen will inevitably evaporate and lose part of the liquid nitrogen, in order to supplement the lost liquid nitrogen, the liquid nitrogen tank 13 is connected with a liquid replenishing device (not shown in the figure), and the liquid nitrogen replenishing device passes through the liquid nitrogen feeding pipe. 8 communicates with the liquid nitrogen pool 13, and when the liquid level in the liquid nitrogen pool 13 is lower than the set liquid level, liquid nitrogen can be added to the liquid nitrogen pool through the liquid replenishing device.

In order to obtain the liquid level information of the liquid nitrogen pool 13 , a liquid level gauge 14 can be arranged in the liquid nitrogen pool 13 . Preferably, the liquid level gauge 14 can be connected to the control device to send the obtained liquid level information to the control device, and the control device controls the liquid replenishment device to replenish the liquid nitrogen pool 13 according to the obtained liquid level information to ensure the liquid nitrogen pool liquid level.

The refrigeration equipment 200 provided in this embodiment is specifically a transfer device for transferring formed frozen particles, of course it is not limited to a transfer device for transferring frozen particles, any device suitable for refrigeration is fine.

In this embodiment, as shown in FIG. 1 , a refrigeration device 200 includes a box body 201, inside the box body 201 there are a plurality of first partitions 205 and a plurality of second partitions 206, and a plurality of first partitions 205 and a plurality of The second partitions 206 are arranged along the height direction of the box body 201 at intervals and staggeredly. The box body 201 has opposite first side walls 203 and second side walls 204, one end of a plurality of first partitions 205 is respectively fixed on the first side walls 203, and the other ends are respectively formed with the second side walls 204. Gaps; one ends of the plurality of second partitions 206 are respectively fixed on the second side walls 204 , and gaps are formed between the other ends and the first side walls 203 .

Preferably, the plurality of first partitions 205 are all perpendicular to the first side wall 203 , and the plurality of second partitions 206 are all perpendicular to the second side wall 204 . But it is not limited thereto. In other embodiments, the first partition 205 and the second partition 206 may also be allowed to be inclined.

In the refrigeration equipment 200 provided in this embodiment, the first partition 205 and the second partition 206 arranged alternately divide the inside of the box body 201 to form a plurality of subspaces. When the cold air rises inside the box body 201, 205 and the second side wall 204 and the gap between the second partition 206 and the first side wall 203 rise from one subspace to the other, so the air flow inside the box 201 forms a zigzag The air path, so that the air flow can flow from the first side wall 203 to the second side wall 204 in each subspace, so that the cold air is more evenly distributed in each subspace of the box body 201, and the cooling effect is better.

Wherein, an interface 208 connecting the exhaust device 9 is provided on the box body 201, and the interface 208 is arranged below the first partition 205 and the second partition 206 at the bottom. The cold air discharged from the quick-freezing forming equipment 100 is directly discharged into the box body 201, and then rises from the bottom of the box body 201 along the zigzag air path.

In this embodiment, a liquid nitrogen tank 207 may also be provided at the bottom of the tank 1 to cool the inside of the tank 201 through the nitrogen gas generated by evaporation of the liquid nitrogen placed in the liquid nitrogen tank 207 . That is to say, when the refrigeration equipment 200 in this embodiment leaves the pellet quick-freezing molding equipment 100, it can be cooled by the liquid nitrogen at the bottom of the box body 201, so as to ensure that the refrigeration equipment 200 can also operate normally when it leaves the pellet quick-freezing molding equipment 100 .

In order to enable the liquid nitrogen in the liquid nitrogen tank 207 to evaporate to generate cold air, the refrigeration equipment 200 also includes an exhaust device (not shown) for extracting air from the outside and discharging it to the liquid nitrogen tank 207, and the outside air enters Contact with liquid nitrogen in the box body 201, and the liquid nitrogen evaporates under the action of air.

In addition, an exhaust pipe 209 is provided on the top of the box body 201 to allow the air flow inside the box body 201 to circulate.

In this embodiment, each subspace in the box body 201 separated by the first partition 205 and the second partition 206 is respectively provided with at least one layer of storage racks. Make the appropriate settings. In this embodiment, a collection tray 61 for collecting quick-frozen granules from the granule quick-freezing molding equipment 100 is placed on the shelf.

In actual production, the granule quick-freezing molding equipment 100 freezes to form frozen granules, and the collection plate 61 can be used to collect the frozen granules at the outlet 12 of the main engine compartment 1. During this process, the cold air generated by the granule quick-freezing molding equipment 100 is discharged to the In the refrigerating equipment 200, after the frozen particles are collected and the collection tray 61 with the frozen granules is placed in the refrigerating equipment 200, the refrigerating equipment 200 can be disconnected from the exhaust device 9, and the refrigerating equipment 200 can be transferred to At the next flow operation, follow-up operations, such as weighing and packaging or freeze-drying, etc. Of course, after the exhaust device 9 is disconnected, the ventilation device of the refrigeration equipment 200 operates to evaporate the liquid nitrogen in the box 201 , so that the refrigeration equipment 200 itself generates cold air for cooling.

In order to reduce the distribution of cold air when the refrigerator 200 opens the door to access items, preferably, the box body 201 is provided with a plurality of doors, and each door corresponds to the box formed by the first partition 205 and the second partition 206. At least one space within 201. More preferably, each said opening corresponds to one said space. To access items, just open the door corresponding to the required space.

In order to reduce the distribution of cold air from the refrigerating device 200 , an insulation layer is arranged on the wall of the box body 201 .

In addition, in this embodiment, rollers 202 are provided at the bottom of the box body 201 , and the refrigeration device 200 can be moved conveniently by installing the rollers 202 .

The preferred embodiment of the present invention has been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the specific details of the above embodiment, within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, These simple modifications all belong to the protection scope of the present invention.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be described separately.

In addition, various combinations of different embodiments of the present invention can also be combined arbitrarily, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (20)

1. A granule quick-freezing molding system, characterized in that, the granule quick-freezing molding system includes a refrigeration unit (200) and a granule quick-freezing molding equipment (100) for preparing frozen granules, and the granule quick-freezing molding equipment (100) and The refrigerating equipment (200) is connected with an exhaust device (9) for discharging cold air generated in the granule quick-freezing forming equipment (100) to the refrigerating equipment (200); The refrigerating equipment (200) includes a box body (201), a plurality of first partitions (205) and a plurality of second partitions (206) inside the box (201), and a plurality of the first partitions The plate (205) and the plurality of second partitions (206) are alternately arranged along the height direction of the box (201); The box (201) has opposite first side walls (203) and second side walls (204), and one end of a plurality of the first partitions (205) is respectively fixed on the first side walls (203) ), the other end forms a gap with the second side wall (204); one end of a plurality of second partitions (206) is respectively fixed on the second side wall (204), and the other A gap is formed between one end and the first side wall (203); The box body (201) is provided with an interface (208) connected to the exhaust device (9), and the interface (208) is arranged on the lowermost first partition (205) and the second Below the partition (206); The granule quick-freezing molding equipment (100) includes a diversion channel (4) extending from top to bottom, and also includes a material capable of extruding material droplets and causing the material droplets to fall to the diversion channel (4). An extruding device (2) and a liquid nitrogen supply device (3) capable of discharging liquid nitrogen corresponding to the diversion channel (4). 2. The granule quick-freezing molding system according to claim 1, characterized in that, the granule quick-freezing molding equipment (100) also includes a main engine compartment (1) with an inlet (11) and an outlet (12), and the diversion The channel (4) is arranged in the main engine compartment (1), and the material extruding device (2) and the liquid nitrogen supply device (3) are arranged at the inlet (11) of the main engine compartment (1) , the exhaust device (9) is arranged at the outlet (12). 3. The particle quick-freezing molding system according to claim 2, characterized in that, the material extrusion device (2) includes a plurality of extrusion holes (21) arranged corresponding to the guide channel (4), the The material liquid nitrogen supply device (3) includes a plurality of drainage grooves (31) arranged corresponding to the guide channel (4), and a plurality of the extrusion holes (21) correspond to a plurality of the drainage grooves (31) ) between the space settings. 4. The granule quick-freezing molding system according to claim 3, characterized in that there are multiple guide channels (4), a plurality of extrusion holes (21) and a plurality of drainage grooves (31 ) are divided into multiple groups respectively, each of the diversion channels (4) corresponds to a group of the extruding holes (21) and a group of the drainage grooves (31). 5 . The granule quick-freezing molding system according to claim 2 , characterized in that, the flow guide channel ( 4 ) comprises a bent structure formed by a plurality of mutually inclined flow guide plates connected end to end. 6 . 6. The granule quick-freezing molding system according to claim 2, characterized in that, the guide channel (4) is set to narrow in width from top to bottom. 7. The granule quick-freezing molding system according to claim 2, characterized in that, the granule quick-freezing molding equipment (100) also includes a drain guide plate (5) with a plurality of drain holes, and the drain guide The material plate (5) is received at the bottom end of the diversion channel (4) and extends obliquely downward. 8. The particle quick-freezing molding system according to claim 7, characterized in that, the bottom end of the drainage guide plate (5) is provided with a collecting device (6), and the collecting device (6) includes a The collection tray (61) at the bottom of the drain guide plate (5) and the moving mechanism that can make the collection tray (61) move back and forth in the horizontal direction. 9. The particle quick-freezing molding system according to claim 8, characterized in that, the moving mechanism comprises a connecting rod (63) and a rotatable turntable (62), and one end of the connecting rod (63) is hinged on the On the collecting tray (61), the other end is hinged at the non-central position of the turntable (62). 10. The granule quick-freezing molding system according to claim 2, characterized in that a liquid nitrogen pool (13) is provided at the bottom of the main engine compartment (1), and the liquid nitrogen pool (13) is connected with the liquid nitrogen supply A liquid pump (7) for forming liquid circulation between the liquid nitrogen pool (13) and the liquid nitrogen supply device (3) is arranged between the devices (3). 11. The particle quick-freezing molding system according to claim 10, characterized in that, the liquid nitrogen pool (13) is connected with a liquid replenishing device and/or a liquid level gauge (14) is arranged in the liquid nitrogen pool (13) . 12. The granule quick-freezing molding system according to claim 2, characterized in that an insulation layer is arranged on the housing of the main engine compartment (1). 13. The particle quick-freezing molding system according to claim 1, characterized in that, a plurality of the first partitions (205) are perpendicular to the first side wall (203), and a plurality of the second partitions (206) are all perpendicular to the second side wall (204). 14. The particle quick-freezing molding system according to claim 1, characterized in that, the box (201) is provided with a plurality of doors, and each door corresponds to the first partition (205) and the The second partition (206) separates and forms at least one subspace in the box (201). 15. The granule quick-freezing molding system according to claim 1, characterized in that a liquid nitrogen tank (207) is provided at the bottom of the box (201). 16. The granule quick-freezing molding system according to claim 15, characterized in that, the refrigerating equipment (200) further comprises an exhaust device for extracting air from the outside and discharging it to the liquid nitrogen tank (207). 17. The granule quick-freezing molding system according to claim 1, characterized in that an exhaust pipe (209) is arranged on the top of the box (201). 18. The granule quick-freezing molding system according to claim 11, characterized in that, each of the boxes (201) formed by separating the first partition (205) and the second partition (206) Each of the subspaces is respectively provided with at least one layer of storage racks. 19. The granule quick-freezing molding system according to claim 1, characterized in that, rollers (202) are arranged at the bottom of the box (201). 20. The granule quick-freezing molding system according to claim 1, characterized in that an insulation layer is arranged on the wall of the box (201).