CN211503416U

CN211503416U - Intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment

Info

Publication number: CN211503416U
Application number: CN201921522804.2U
Authority: CN
Inventors: 杨一帆; 荆棘靓; 刘晓江; 张芳龙; 安柏超; 李�根; 单晓宇; 丁佳雨
Original assignee: Liaoning Lingye Hot And Cold Technology Innovation Co ltd
Current assignee: Liaoning Lingye Hot And Cold Technology Innovation Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-09-15
Anticipated expiration: 2029-09-12

Abstract

The utility model provides a quick precooling of cold and quick-freeze equipment are carried to multi-functional single spiral of intelligent immersion, including freezer, transport mechanism, fill in the freezer and fill the cold liquid is carried to the food level, transport mechanism comprises single spiral conveyer belt, and its main part helical structure is inside the freezer, and the conveyer belt is equipped with into goods mouth and shipment mouth, and shipment mouth is connected with circulation continuous type lifting machine with the last layer in helical structure bottom. The outer part of the freezing box is provided with a heat preservation layer, and the inner part of the box body is provided with an evaporator connected with the refrigerating unit. The food-grade low-temperature cold carrying liquid is filled in the freezing box, food enters the freezing box through the conveying mechanism, and cold energy transmitted to the evaporator by the refrigerating unit is used for quickly pre-cooling or quickly freezing the food through the cold carrying liquid.

Description

Intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment

Technical Field

The utility model relates to a quick equipment technical field particularly, especially relates to a quick precooling of multi-functional single spiral of intelligent immersion year and quick-freeze equipment, mainly used food quick-freeze and agricultural product seed low temperature cold induction.

Background

The food quick-freezing is to quickly freeze the food to be quick-frozen in various modes after proper pretreatment, and the food has the greatest advantage of completely preserving the original quality of the food at low temperature (reducing the heat in the food or the energy supporting various chemical activities, freezing partial free water of cells and reducing the water activity), does not need any preservative or additive, and preserves the nutrition of the food to the maximum extent. Has the advantages of delicious, convenient, healthy, sanitary, nutritious and substantial food. With the improvement of income level and the acceleration of life rhythm of people, the quick-freezing industry in China grows rapidly, and since the 90 s in the 20 th century, the yield per year is increased by more than 20%, so that the quick-freezing industry becomes a new star in the food industry.

The existing quick-freezing process is generally an air-cooled quick-freezing warehouse, an air-cooled spiral quick-freezing machine and liquid nitrogen quick-freezing, wherein the air-cooled quick-freezing warehouse is slow in freezing and quick-freezing, large in food dry consumption, short in shelf life and storage period and high in energy consumption, the spiral quick-freezing machine is large in occupied space and high in equipment cost, the liquid nitrogen quick-freezing operation cost is high, and the instantaneous large temperature difference destroys a cell tissue structure. The three quick-freezing processes all have certain limitations.

Pre-cooling refers to the process of rapidly reducing the temperature of the food from the initial temperature (about 30 ℃) to the required end temperature (0-15 ℃). I.e. the cooling before refrigerated transport and high temperature refrigeration and the rapid cooling process before rapid freezing are collectively referred to as pre-cooling. For different foods, the common precooling processes at present comprise differential pressure precooling, water precooling and vacuum precooling, and the existing water precooling device occupies a large space and is very inconvenient to manufacture and transport.

The low-temperature cold induction of the seeds can activate the antiviral ability of crops, resist other invasion mechanisms and anti-freezing mechanisms, improve the disease resistance and yield of the crops, expand the planting area, prolong the growth period of the crops, achieve the aim of using no or less pesticides and effectively control and detect the food safety from the planting source. But the cold induction treatment equipment for seeds is in urgent need in the market.

Disclosure of Invention

The utility model discloses to above drawback and demand, provide a quick precooling of intelligent multi-functional single spiral of overall structure simple, quick-freeze time is short, with low costs cold quick-freezing equipment is carried to intelligent immersion, according to the gaseous state of material and liquid heat exchange efficiency's huge difference, same kind of article in the secondary refrigerant with in the air under the condition of equal temperature field, pressure field, flow field, the heat exchange efficiency of secondary refrigerant is far greater than the air. The food-grade cold carrying liquid replaces air to perform heat exchange, and the defects of the prior art are overcome.

The utility model discloses a technical means as follows:

intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment comprises: the refrigerator comprises a refrigerator and a conveying mechanism arranged in the refrigerator;

the interior of the freezing box is filled with cold-carrying liquid, a goods inlet for filling goods is formed in the inlet end of the conveying mechanism, and a goods outlet for taking out the goods is formed in the outlet end of the conveying mechanism;

the transport mechanism includes: the system comprises a vertical screw machine and a circulating continuous type elevator, wherein the input end of the vertical screw machine is connected with a goods inlet, the output end of the vertical screw machine is connected with the input end of the circulating continuous type elevator, and the output end of the circulating continuous type elevator is connected with a goods outlet through a conveying belt;

wherein more than half of the conveying paths of the vertical screw and the endless continuous type elevator are immersed in a cooling liquid in the interior of the freezer.

The goods inlet and the goods outlet are respectively provided with a soft wind-shielding curtain, so that the cold quantity waste of the equipment is reduced.

Adopt above-mentioned technical scheme the utility model discloses, realize the cooling of immersion through the transport characteristic who adopts the vertical screw machine, then the goods promotion is seen off to the rethread circulation continuous type lifting machine. The structure can increase the conveying stroke of the goods immersed in the cold-carrying liquid and effectively save space.

Further, in the above-mentioned case,

in order to reduce the occupied area of the equipment, the side of the circulating continuous type hoister close to the spiral structure is inclined, and the side of the circulating continuous type hoister close to the goods outlet is vertical.

Further, in the above-mentioned case,

the upper surface of the conveyer belt of the transfer mechanism is provided with a goods pushing device which is protruded upwards and used for pushing goods, wherein the goods pushing device is detachable, and the size and the height are determined according to the goods; this structure aim at is convenient for impel the goods and carry, prevents that the goods from piling up the jam.

Further, in the above-mentioned case,

except the last layer of helical structure conveyer belt in bottom and the continuous lifting machine junction of circulation, the upper surface outer fringe of transport mechanism's conveyer belt is provided with the fender device that encloses that prevents the goods centrifugation and break away from, prevents that the goods from breaking away from the conveyer belt.

Further, in the above-mentioned case,

except the last layer of helical structure conveyer belt in bottom and the continuous lifting machine junction of circulation, each layer of conveyer belt bottom bracket below of transport mechanism is provided with the goods pressing part who presses down one deck material top downwards, prevents that the goods from jumping from the conveyer belt from top to bottom.

Further, in the above-mentioned case,

an axial flow fan is arranged in the freezing box, and the jet flow coverage area of the axial flow fan is the position of the conveying mechanism above the liquid level of the cold-carrying liquid. The air blowing of the axial flow fan can blow down the cold carrying liquid carried away when the goods leave the liquid level of the cold carrying liquid, thereby reducing the waste of the cold carrying liquid and realizing the pre-cooling of the goods.

Further, in the above-mentioned case,

the outer part of the freezing box is provided with a heat insulation layer, the bottom in the freezing box is provided with a slope of not less than 3 percent and a sloping drain outlet, the bottom of the freezing box is provided with a floor frost-heaving prevention type bottom bracket, the inner side of the freezing box is provided with a sealed waterproof structure, a refrigeration system transmits cold energy to cold-carrying liquid through an evaporator, and the outer side of the freezing box is provided with a cold-carrying liquid level display device;

the compressor units in the refrigeration system are arranged outside the freezing box and are connected in parallel by adopting a plurality of machine heads, wherein one compressor unit is a variable frequency compressor;

the evaporator of the refrigerating system is positioned in the box body of the freezing box;

the evaporator is an aluminum calandria heat exchanger. The structure is energy-saving and efficient heat exchange equipment, and heat exchange is facilitated.

Further, in the above-mentioned case,

the external heat-insulating layer of the freezing box is a vacuum heat-insulating plate polyurethane foaming structure, and the structure is used for ensuring the heat-insulating effect.

Further, in the above-mentioned case,

a detachable heat preservation cover is arranged at the upper part of the freezing box, and a transmission motor with a spiral structure is positioned above the heat preservation cover; the upper part of the freezing box is provided with a cold-carrying liquid filling inlet for supplementing cold-carrying liquid, the lower part of the freezing box is provided with a cold-carrying liquid outlet, and the bottom of the freezing box is provided with a sewage outlet for cleaning equipment.

Further, in the above-mentioned case,

the utility model discloses a quick precooling of the multi-functional single spiral of intelligent immersion year and quick-freeze equipment can be with goods data and hot rerum natura input to control system, adjusts the quick and refrigeration load of vertical spiral machine chain according to different goods, realizes intelligent control.

If the density of the goods after vacuum packaging is less than that of the cold-carrying liquid, the goods firstly pass through the vertical screw machine, the last layer of screw structure at the bottom of the vertical screw machine floats to the liquid level of the cold-carrying liquid through the circulating continuous type lifting machine, and is conveyed to the conveying belt of the goods outlet through the goods guiding device. If the density of the goods is larger than that of the cold-carrying liquid, the vertical screw machine and the conveyor belt are reversed, the goods are conveyed reversely, and precooling or quick freezing is completed.

Compared with the prior art, the technical scheme of the utility model improves the speed of quick pre-cooling or quick freezing of the food and improves the quality of the food; the volume of single-screw or double-screw equipment is reduced, the utilization efficiency of quick pre-cooling or quick-freezing equipment is improved, the load of the equipment can be adjusted according to the type of food and the quick-freezing quantity, and the cold quantity of the pre-cooling section is utilized in a gradient manner. By the aid of the method, energy consumption of rapid precooling or quick-freezing equipment is reduced, and operation cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view of the overall structure of the single vertical screw machine of the present invention.

Fig. 2 is a schematic view of a local conveyor belt of the vertical screw machine of the present invention.

In the figure: 1. a compressor unit; 2. a heat-insulating layer; 3. a goods outlet; 4. a vertical screw machine; 5. a drive motor; 6. an axial flow fan; 7. a heat preservation cover; 8. a cargo inlet; 9. a cold carrier liquid filling port, 10 and an evaporator; 11. a freezer; 12. a cold carrier liquid discharge port; 13. a floor frost heaving prevention bottom bracket; 14. a fencing device; 15. an article advancing device; 16. a pressing member; 17. a goods deflector; 18. a circulating continuous elevator; 19. an electronic control system; 20. the coolant level; 21. a sewage draining outlet.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

As shown in fig. 1 and fig. 2, the utility model provides a quick precooling of multi-functional single spiral of intelligent immersion year cold and quick-freeze equipment, include: a freezer compartment 11 and a transport mechanism disposed inside the freezer compartment;

the interior of the freezing box 11 is filled with cold-carrying liquid, a goods inlet 8 for filling goods is arranged at the inlet end of the conveying mechanism, and a goods outlet 3 for taking out the goods is arranged at the outlet end of the conveying mechanism;

wherein more than half of the conveying paths of the vertical screw 4 and the endless continuous type elevator 18 are immersed in the cooling liquid in the interior of the freezer compartment 11.

The goods inlet 8 and the goods outlet 3 are both provided with soft wind-shielding curtains, so that the cold quantity waste of the equipment is reduced.

The hopper used by the circulating continuous elevator is a mesh cage with a plurality of holes.

Adopt above-mentioned technical scheme the utility model discloses, realize the cooling of immersion through the transport characteristic who adopts vertical screw machine 4, then 18 promote the goods and send out through the endless continuous type lifting machine of rethread. The structure can increase the conveying stroke of the goods immersed in the cold-carrying liquid and effectively save space.

In order to reduce the floor space of the plant, the endless continuous hoisting machine 18 is inclined on the side close to the spiral structure and vertical on the side close to the delivery opening.

The upper surface of the conveyer belt of the transfer mechanism is provided with a goods propelling device 15 which protrudes upwards and is used for propelling goods, wherein the goods propelling device 15 is detachable and the size and the height are determined according to the goods; this structure aim at is convenient for impel the goods and carry, prevents that the goods from piling up the jam.

Except the joint of the last layer of the spiral structure conveying belt at the bottom and the circulating continuous type elevator 18, the outer edge of the upper surface of the conveying belt of the conveying mechanism is provided with a fence device 14 for preventing the goods from centrifugally separating, so that the goods are prevented from separating from the conveying belt.

Except the joint of the last layer of the spiral structure conveying belt at the bottom and the circulating continuous type hoister, a goods pressing part 16 which presses down the top of one layer of the materials downwards is arranged below the bracket at the bottom of each layer of the conveying belt of the conveying mechanism, so that the goods are prevented from jumping up and down to separate from the conveying belt.

An axial flow fan 6 is arranged in the freezing box 11, and the jet flow coverage area of the axial flow fan is the position of the conveying mechanism above the liquid level of the cold-carrying liquid. The air blowing of the axial flow fan can blow down the cold carrying liquid carried away when the goods leave the liquid level of the cold carrying liquid, thereby reducing the waste of the cold carrying liquid and realizing the pre-cooling of the goods.

The external part of the freezer has heat insulation layers, the bottom in the freezer has not less than 3% gradient, the slope is to the drain outlet, there is type bottom bracket 13 of frost heaving of preventing terrace at the bottom of freezer, there are sealed waterproof constructions in the freezer, conduct the cold quantity to the cold-carrying liquid through the evaporator 10 by the refrigerating system, there are liquid level display devices of cold-carrying liquid outside the freezer 11;

the evaporator 10 is an aluminum calandria heat exchanger. The structure is energy-saving and efficient heat exchange equipment, and heat exchange is facilitated.

The upper part of the freezing box 11 is provided with a detachable heat preservation cover 7, and a transmission motor of the spiral structure 4 is positioned above the heat preservation cover; the upper part of the freezing box 11 is provided with a cold-carrying liquid filling port 9 for supplementing cold-carrying liquid, the lower part of the freezing box 11 is provided with a cold-carrying liquid outlet 12, and the bottom of the freezing box is provided with a sewage outlet 21 for cleaning equipment.

The vertical screw machine rotates to form disturbance to the cold-carrying liquid, so that heat exchange is accelerated.

There is heat preservation 2 the freezer outside, and freezer bottom is equipped with bottom bracket 13, and 11 inboards of freezer are equipped with sealed waterproof construction, and the freezer is inside to be filled and to fill cold liquid, and food passes through transport mechanism and gets into freezer 11, carries cold liquid to carry out the quick-freeze by refrigerating system through the conduction of evaporimeter 10 with cold volume. A cold liquid level display device is arranged outside the freezing box 11.

The compressor unit 1 in the refrigeration system adopts a plurality of parallel connection of machine heads, and one of the compressor units is a variable frequency compressor in order to reduce the operation cost and improve the operation efficiency. The evaporator 10 of the refrigeration system is located inside the freezer compartment. The evaporator 10 is an aluminum calandria heat exchanger and is used for cooling the food-grade low-temperature cold-carrying liquid.

The spiral conveying structure is provided with a frequency converter for adjusting the chain speed.

The whole structure is provided with an electric control system 19 for controlling the operation of each part.

When the density of the goods after vacuum packaging is less than that of the cold-carrying liquid, the food is quickly precooled or quick-frozen: the freezing box is filled with cold liquid, the refrigerating unit 1 is started, and the cold liquid is cooled through the evaporator 10 in the freezing box 11. And (3) cooling to a specified temperature, purchasing the food into the freezer 11 through the conveyor through the goods inlet 8, entering the cold carrying liquid through the spiral structure, quickly pre-cooling or quickly freezing in the cold carrying liquid, entering the upper part of the liquid level of the cold carrying liquid through the circulating continuous type elevator 18 after the completion, and guiding the goods to the goods outlet conveyor belt through the goods guiding device 17 to finish the quick pre-cooling or quick freezing.

When the density of the goods after vacuum packaging is larger than that of the cold-carrying liquid, the food quick precooling or quick freezing process comprises the following steps: the freezing box is filled with cold liquid, the refrigerating unit 1 is started, and the cold liquid is cooled through the evaporator 10 in the freezing box 11. And (3) cooling to a specified temperature, purchasing the food into a freezer 11 through a conveyor through a goods inlet 8, entering into cold carrying liquid through a conveyor belt and a circulating continuous type elevator 18, entering into a spiral conveying structure 4, quickly pre-cooling or quickly freezing in the cold carrying liquid, and finishing quick pre-cooling or quick freezing through a conveyor belt of a goods outlet 3.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. Intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment comprises: the refrigerator comprises a refrigerator and a conveying mechanism arranged in the refrigerator;

the method is characterized in that:

the transfer mechanism includes: the system comprises a vertical screw machine and a circulating continuous type elevator, wherein the input end of the vertical screw machine is connected with a goods inlet, the output end of the vertical screw machine is connected with the input end of the circulating continuous type elevator, and the output end of the circulating continuous type elevator is connected with a goods outlet through a conveying belt;

2. The intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment as claimed in claim 1, wherein:

3. The intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment as claimed in claim 1, wherein:

and a goods guiding device used for pushing goods of the circulating continuous type hoister to the conveying belt is arranged above the joint of the circulating continuous type hoister and the conveying belt.

4. The intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment as claimed in claim 1, wherein:

axial fans are arranged on two sides of the top end in the freezing box, and the jet flow coverage area of each axial fan is a position of the conveying mechanism above the liquid level of the cold-carrying liquid.

5. The intelligent immersion type multifunctional single-spiral cold-carrying rapid pre-cooling and quick-freezing equipment as claimed in claim 1 or 3, wherein:

the upper surface of the conveyer belt of the conveying mechanism is provided with a goods propelling device which is upwards protruded and used for propelling goods.

6. The intelligent immersion type multifunctional single-spiral cold-carrying rapid pre-cooling and quick-freezing equipment as claimed in claim 4, wherein:

except the joint of the last layer of the spiral structure conveying belt at the bottom and the circulating continuous type hoister, the outer edge of the upper surface of the conveying belt of the conveying mechanism is provided with a barrier device for preventing the goods from being centrifugally separated.

7. The intelligent immersion type multifunctional single-spiral cold-carrying rapid pre-cooling and quick-freezing equipment as claimed in claim 4, wherein:

except the joint of the last layer of the spiral structure conveying belt at the bottom and the circulating continuous type hoister, a goods pressing part which presses down the top of the material layer is arranged below the bracket at the bottom of each layer of the conveying belt of the conveying mechanism.

8. The intelligent immersion type multifunctional single-spiral cold-carrying rapid precooling and quick-freezing equipment as claimed in claim 1, wherein:

the refrigeration system is characterized in that a heat-insulating layer is arranged outside the freezing box, the bottom in the freezing box is provided with a slope which is not less than 3% of the slope, the slope is towards a sewage discharge outlet, the bottom of the freezing box is provided with a bottom bracket for preventing floor frost heaving, the inner side of the freezing box is provided with a sealed waterproof structure, a refrigeration system conducts refrigeration energy to cold-carrying liquid through an evaporator, and the outer side of the freezing box is provided with a cold-carrying liquid level display device;

the compressor units in the refrigeration system are arranged outside the freezing box and are connected in parallel by adopting a plurality of machine heads, wherein one of the machine heads is a variable frequency compressor;

the evaporator is an aluminum calandria heat exchanger.

9. The intelligent immersion type multifunctional single-spiral cold-carrying rapid pre-cooling and quick-freezing equipment as claimed in claim 7, wherein:

the external heat-insulating layer of the freezing box is of a vacuum heat-insulating plate polyurethane foaming structure.

10. The intelligent immersion type multifunctional single-spiral cold-carrying rapid pre-cooling and quick-freezing equipment as claimed in claim 8, wherein:

a detachable heat preservation cover is arranged at the upper part of the freezing box, and a transmission motor with a spiral structure is positioned above the heat preservation cover; the upper part of the freezing box is provided with a cold-carrying liquid filling inlet for supplementing cold-carrying liquid, the lower part of the freezing box is provided with a cold-carrying liquid outlet, and the bottom of the freezing box is provided with a sewage outlet.