KR101933210B1 - Egg handling system - Google Patents

Abstract

The present invention relates to an egg shipment system, capable of effectively preventing dew condensation from occurring on the surface of an egg when the egg in a cold storage state is shipped and of rapidly providing a fresh egg product to consumers at low costs by greatly shortening egg shipment time. According to the present invention, the egg shipment system comprises: a temperature control room including a high-pressure room and a low-pressure room which are divided by a partition inside, wherein the egg in a refrigerated state enters the temperature control room; a differential pressure fan installed on one side of the partition and increasing the temperature of the egg in the refrigerated state by blowing wind into the high-pressure room, wherein the differential pressure fan generates differential pressure in a fixed level between the high-pressure room and the low-pressure room; a ventilation unit installed on the other side of the partition so that the air circulates between the high-pressure room and the low-pressure room; and a temperature control device controlling the temperature on the egg by operating the differential pressure fan until the temperature of a core part of the egg entering the high-pressure room reaches a target temperature.

Description

Egg handling system

The present invention relates to an egg delivery system, and more particularly, to an egg delivery system capable of effectively preventing the occurrence of condensation on the surface of a refrigerated egg at the time of shipment and greatly shortening an egg delivery time, To an egg delivery system that can be quickly provided to consumers.

Eggs are an excellent source of high quality protein and various vitamins and minerals, and have long been consumed as major corrosion in our daily lives.

Eggs can be stored at room temperature for about 15 days. When refrigerated, they can be stored for about 30 to 45 days. Therefore, refrigerated eggs are essential to keep eggs fresh from the mountains until fresh out.

However, when shipped to a room temperature for a long time, eggs stored in a low-temperature reservoir are condensed to form a water droplet on the egg surface due to the temperature difference between the egg bottom temperature (about 5 ° C) and the ambient temperature .

When condensation occurs on the surface of the egg, the shelf life of the egg can be shortened to less than about 10 days, and the water drops on the surface of the egg may cause the wrapping paper of the egg to be wetted and torn or damaged And the like. In addition, there is a problem that, due to the water droplets generated on the surface of the eggs, the propagation of the germs on the egg surface is activated in an environment where the external temperature is high and high humidity, such as the summer season, thereby causing a second damage by food poisoning bacteria.

For this reason, conventionally, the temperature of the egg surface is gradually raised above the dew point temperature (about 25 ° C) before the refrigerated eggs are shipped to the outside, thereby minimizing the temperature difference between the deep part of the eggs and the external temperature, A method of suppressing condensation was used.

That is, before the refrigerated eggs are shipped to room temperature, the temperature of the eggs is gradually raised to make the surface temperature of the eggs higher than the dew point temperature, or a plurality of reservoirs are placed between the cold storage and the shipment points, And increasing the temperature of the surface of the egg gradually to suppress the occurrence of condensation.

FIG. 1 shows an example of a conventional egg dispensing system for preventing condensation on the surface of an egg. The eggs E produced in the external environment are stored in the container 10, The temperature of the low temperature reservoir 20 is gradually raised to 15 to 20 ° C. to prevent condensation from occurring on the surface of the egg, Respectively.

However, in the case of the egg delivery system according to this method, it takes about 7 days to gradually increase the temperature of the refrigerated eggs to above the dew point temperature. The reason for this is that even when the surface temperature of the egg is made to be the dew point temperature (about 25 ° C) through the temperature control, the central temperature of the egg still remains in the temperature range below the dew point temperature (about 10 to 20 ° C) The temperature of the egg surface is lowered again below the dew point temperature due to the influence of the low center temperature of the egg. Therefore, it takes about 7 days to maintain the egg center temperature above the dew point temperature. Accordingly, since the egg shipping system of this type requires a long time before the eggs E are received in the low-temperature storage 20 and then shipped, the bottling of the eggs is caused during the shipping operation of the eggs, Thereby causing a problem of degradation.

2, a plurality of reservoirs 21, 22, and 23 having different temperatures are placed between the production point of the egg E and the shipping point, and the eggs E are stored in a plurality of reservoirs 21 , 22,23), and to solve the bottleneck phenomenon caused by the shipment of eggs by making the temperature of the egg surface higher than the dew point temperature.

However, in the case of an egg delivery system using such a sequential temperature control method, it is advantageous that a continuous process can be performed in the production of the product, but a plurality of reservoirs (21, 22, 23) And separate conveying means such as a conveyor must be provided in order to move the eggs to the respective reservoirs, so that the initial facility investment is excessively required, which causes a problem of significantly lowering the competitiveness of the products.

Patent Publication No. 2008-0022166 (2008.03.10)

It is an object of the present invention to provide a method and a device for preventing egg contamination on the surface of eggs by raising the surface and core temperature of a refrigerated egg to a target temperature within a short period of time, And to provide an egg delivery system that can quickly deliver fresh eggs to consumers at a lower cost.

According to an aspect of the present invention, there is provided an egg shipping system comprising: a temperature control room having a high-pressure room and a low-pressure room, A differential pressure fan installed at one side of the partition and blowing air into the high pressure room to raise the eggs in the refrigerated state and to generate a certain level of differential pressure between the high pressure room and the low pressure room; Ventilation means provided on the other side of the partition so as to circulate air between the high-pressure room and the low-pressure room; And controlling the temperature of the eggs by operating the differential pressure fan until the deep part temperature of the eggs received in the high pressure room reaches the target temperature.

At this time, the refrigerator room in which refrigerated eggs are stored and the temperature control room in which refrigerated eggs are loaded may be installed adjacent to one inside of the container room.

The temperature control device is preferably configured to control the differential pressure fan so that the deep portion temperature of the egg reaches the target temperature at a rate of about 1 deg. C per hour.

In addition, a guide portion for guiding the wind blown through the differential pressure fan to the egg side in the high-pressure room may be further provided in the high-pressure room.

According to the egg shipment system of the present invention having the above configuration, when refrigerated eggs are shipped, the refrigerated eggs are put in a high-pressure room, and then the differential pressure fan is operated. By rapidly raising the temperature above the temperature, it is possible to prevent the occurrence of condensation on the surface of the egg while greatly shortening the shipment time of the egg. It is also possible to obtain fresh eggs quickly at a lower cost to consumers.

In addition, since the refrigerator room in which the refrigerated eggs are stored and the temperature control room in which the eggs stored in the refrigerator room at the time of shipment of the eggs are put on the surface of the eggs and the temperature of the deep portions of the eggs are heated, In addition to low temperature storage of eggs in a single container room, the eggs can be rapidly and rapidly heated at the surface and deeper part of the egg at the time of shipment, so there is no bottleneck at the time of shipment of eggs and no excessive facility investment .

In addition, by operating the differential pressure fan through the temperature control device and performing temperature control so that the deep portion temperature of the egg reaches the target temperature at a rate of 1 ° C per hour, the shipped egg can be shipped on the same day without condensation, This has the advantage of supplying fresh eggs to consumers quickly.

Further, by additionally providing a guide portion for guiding the wind blown through the differential pressure fan to the egg side in the high-pressure room, the strong wind blown from the differential pressure fan can be provided directly to the egg side through the guide portion without being dispersed to the surroundings. The surface area of the egg and the surface area of the egg are improved so that the temperature of the surface and the deep part of the egg can be increased more rapidly.

1 is a conceptual diagram showing an egg shipment system according to a conventional individual temperature control method;
2 is a conceptual diagram showing an egg shipment system according to a conventional sequential temperature control method.
3 is a plan view showing an egg delivery system structure for preventing condensation on an egg surface according to the present invention.
FIG. 4 is a front view showing the installation structure of the differential pressure fan and the vent hole in the temperature control room of FIG. 3;
FIG. 5 is a flowchart sequentially showing the process of shipment of eggs without condensation through the egg shipping system of the present invention. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the egg delivery system of the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The terms used below are terms set in consideration of the functions of the present invention, which may vary depending on the intention or custom of the producer producing the product, so that the definition can be based on the contents throughout the specification.

FIG. 3 is a plan view showing an overall configuration of an egg dispensing system according to an embodiment of the present invention, and FIG. 4 is a front view showing the arrangement relationship of a differential pressure fan and a vent hole provided in a partition wall inside a temperature control room.

3 and 4, the egg shipment system according to the present invention includes a refrigerator room 110 for storing low-temperature eggs in a container room 100, an egg surface and a core temperature And a temperature control room 120 in which temperature control is performed up to a proper shipping temperature.

The refrigerator room 110 is a box-shaped room in which a clothes door 102 in which an egg E is placed is installed at one side of the refrigerator room 110, The dispensing door 104 for dispensing the refrigerated egg E to the adjacent temperature control room 120 is provided when the refrigerated egg E stored in the dispenser 100 is shipped to the outside for distribution.

The eggs E produced in the outside of the refrigerator 110 are stored in a storage container made of paper, plastic or styrofoam. The eggs E are stored in the refrigerator 110, Is stored at a low temperature of about 0 to 5 ° C for a certain period of time.

A cooling cooler 140 is installed in the refrigerator room 110 to keep the eggs E at a low temperature of about 0 to 5 ° C so that the eggs E can be kept fresh for a predetermined period of time.

The temperature control room 120 is disposed at a position adjacent to the refrigerator room 110 with the warehouse door 104 interposed therebetween so that eggs in a refrigerated state at the time of shipment of the eggs are prevented from being frozen The temperature is controlled to be higher than the dew point temperature, and then it is shipped.

That is, when the egg E in a low temperature state stored in the refrigerator room 110 is shipped to the outside, the temperature control room 120 is operated so that the egg E in a low temperature state, By using the wind, it is possible to rapidly raise eggs until the temperature of the deep part of the eggs reaches the target temperature (about 15 ~ 20 ° C), so that the eggs leaving the temperature control room 120 can be delivered in a hygienic state .

In this case, the feeding operation of the eggs E between the refrigerator room 110 and the temperature control room 120, which are disposed adjacent to each other through the outlet door 104 in the container room 100, may be performed separately as a conveyor And can be configured to be continuous and convenient through installation of the conveying means.

In the container room 100, the refrigerator room 110 and the temperature control room 120 are disposed adjacent to each other with the warehouse door 104 interposed therebetween. In the container room 100, (E) and the temperature rising function according to the shipment of the eggs can be performed simultaneously or continuously, so that the sanitary egg without condensation on the surface can be shipped to the outside in a short time.

Specifically, the temperature control room 120 includes a high-pressure chamber 120A and a low-pressure chamber 120B partitioned by barrier ribs 130 therein.

The high pressure room 120A stores the low temperature eggs E received from the refrigerator room 110. The interior of the high pressure room 120A is filled with a high pressure Lt; / RTI >

The low pressure chamber 120B is maintained at a low pressure state in which the internal pressure is relatively small as compared with the high pressure chamber 120A. The inside of the low pressure chamber 120B is maintained at a low pressure state due to a strong blowing action by the differential pressure fan 132.

A differential pressure fan 132 is installed on the upper portion of the partition 130 to blow a strong air into the high pressure chamber 120A to maintain the inside of the high pressure chamber 120A at a high pressure. When the air is filled into the high pressure chamber 120A by the blowing action of the differential pressure fan 132, the air is circulated between the high pressure chamber 120A and the low pressure chamber 120B by discharging the air to the low pressure chamber 120B side, A plurality of ventilation holes 134 are formed so that air can be discharged.

Therefore, a certain level of differential pressure is generated between the high-pressure chamber 120A and the low-pressure chamber 120B by the structure of the differential pressure fan 132 provided at the upper portion of the partition 130 and the vent hole 134 provided at the lower portion, The forced circulation of air between the high-pressure chamber 120A and the low-pressure chamber 120B is continuously performed due to the differential pressure while the valve 132 is operated.

At this time, a vent pipe (not shown) in the form of a duct capable of guiding the blowing air around the eggs inside the high pressure chamber 120A may be installed in the partition wall 130 in addition to the vent hole 134 having the hole shape have.

The egg E in a low temperature state received into the high pressure room 120A is kept at a temperature elevation of the egg surface until the deep portion temperature of the egg reaches the set target temperature due to the continuous blowing action by the differential pressure fan 132 The temperature elevating action of the deep portion of the egg is continuously performed within a short period of time, so that the eggs finally shipped to the outside of the high-pressure room 120A can be shipped in a hygienic state without condensation on the surface.

At this time, in the temperature control room 120, the eggs E in a low temperature state received in the high-pressure room 120A are sequentially heated to the target temperature that can be shipped through the blowing action of the differential pressure fan 132, A temperature controller 150 that includes a heat exchanger, a cooling cooler, a heater, and the like for controlling the operation of the differential pressure fan 132 and performing a temperature control function in the temperature control room 120, .

In this case, the temperature controller 150 for controlling the temperature inside the temperature control room 120 may be a direct cooling system that directly circulates the refrigerant as a heat source for cooling, an indirect cooling system that uses water or a brine, Etc., and a variety of heat sources such as an electric heater method or a steam heat utilization method can be used as a heat source for heating.

5, the eggs refrigerated in the refrigerator room 110 are loaded into the temperature control room 120 (S210), and then the refrigerant is supplied through the temperature control device 150 to the differential pressure fan 132 The forced air circulation between the high pressure chamber 120A and the low pressure chamber 120B is generated by the differential pressure formed between the high pressure chamber 120A and the low pressure chamber 120B by blowing strong air into the high pressure chamber 120A, The temperature of the surface of the egg E is rapidly increased while the temperature of the egg E is gradually raised to the temperature of about 15 to 20 ° C (S220). When the temperature of the deep portion of the egg reaches the target temperature, the operation of the differential pressure fan 132 is stopped (S230) through the temperature control unit 150, so that the eggs E delivered to the outside of the temperature control room 120 It becomes possible to quickly ship (S240) to a hygienic condition free from condensation.

At this time, the temperature controller 150 controls the operation of the differential pressure fan 132 so that the core temperature of the egg E located in the high-pressure room 120A can be raised to a rapid rate of temperature rise of about 1 ° C per hour, The operation of the cooler and the heater can be controlled.

In addition, although not shown separately in the drawing, strong winds blown through the differential pressure fan 132 inside the high-pressure room 120A are guided to be intensively conveyed to a position where the eggs E exist without being dispersed to the periphery (Not shown), which is in the form of a duct, is provided in the egg (E), the wind blown from the differential pressure fan 132 is brought into contact with the surface of the egg E in a wide contact area, E) As the temperature elevation action on the surface and the deep part is performed more quickly and effectively, it becomes possible to ship the egg without condensation on the day on the same day, and thereby, the sanitary egg can be stably supplied to the consumer in a shorter time There are advantages.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Will be possible.

100: container room 102: dressing door
104: Exit door 106: Final exit door
110: refrigerator room 120: temperature control room
120A: High pressure room 120B: Low pressure room
130: bulkhead 132: differential pressure fan
134: vent hole 140, 150: temperature control device

Claims (4)

A temperature control room with a high-pressure room and a low-pressure room, which are partitioned by a bulkhead, in which refrigerated eggs are placed;
A differential pressure fan installed at one side of the partition for blowing air into the high pressure room to raise the eggs in a refrigerated state and to generate a certain level of differential pressure between the high pressure room and the low pressure room;
A ventilation means installed on the other side of the partition so as to circulate air between the high-pressure room and the low-pressure room;
A temperature regulating device installed in the high pressure room for controlling the temperature of the egg by operating the differential pressure fan until the deep portion temperature of the eggs received in the high pressure room reaches a target temperature;
And a guiding part for guiding the wind blown through the differential pressure fan to the egg side in the high-pressure room,
Wherein the temperature control device controls the operation of the heater simultaneously with the operation control of the differential pressure fan.
The egg shipment system according to claim 1, wherein the refrigerator room in which the eggs in the refrigerated state are stored and the temperature control room in which the eggs in the refrigerated state are housed are installed adjacent to one container room.
The egg shipment system for preventing condensation on an egg surface according to claim 1, wherein the temperature control device controls the differential pressure fan so that the deep portion temperature of the egg reaches a target temperature at a rate of 1 ° C per hour.
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