CN213215175U - Corn-on-cob quick-freeze production line - Google Patents

Abstract

The utility model discloses a corn cob quick-freezing production line, which comprises a cleaning and weighing component, a feeding conveyor, a cooking steam pot, a discharging conveyor, a vibrating distributor, a precooling component and a variable-temperature quick-freezing machine which are arranged in sequence, wherein the cooking steam pot comprises a shell, a steam heating component arranged in the shell, a spraying component arranged at the top of the inner side of the shell and an electric sealing valve for realizing high-pressure cooking, and the shell is externally connected with an electric cabinet for centralized intelligent control; the variable-temperature quick freezer comprises a freezer body, wherein an evaporator, an axial flow extension and a temperature controller for controlling the temperature in the variable-temperature quick freezer are arranged in the freezer body. The utility model provides a corn-on-cob quick-freeze production line and processing method thereof, simple process, production efficiency are high, protect the maize not receive the damage simultaneously, guarantee maize new freshness and nutrition degree.

Description

Corn-on-cob quick-freeze production line

Technical Field

The utility model belongs to the technical field of the food processing technique and specifically relates to a corn-on-cob quick-freeze production line is related to.

Background

The corn has high nutritive value, the moisture, active matters, vitamins and other nutrient components of fresh corn are much higher than those of old corn, the fresh corn is difficult to eat by people after the mature period of the corn, and in order to solve the problem, the modern processing technology usually adopts a mode of quickly freezing the fresh corn so as to prolong the quality guarantee period of the corn.

The patent document of China discloses a processing technology of quick-frozen corn, and the publication number CN 110915915A comprises the following steps: (1) selecting corn with full grains, no mechanical damage and no plant diseases and insect pests for threshing; (2) soaking the threshed fresh corn kernels in drinking water to remove floating skin and residues; (3) placing fresh corn kernels in a spiral blanching machine, blanching at a constant temperature of 80-85 ℃ for 8-12 min; (4) cooling the blanched fresh corn kernels to normal temperature, and quickly freezing at the low temperature of-20 to-30 ℃ for 25-30min by adopting a fluidized bed type quick-freezing tunnel; (5) after the quick-frozen corn kernels are inspected to be qualified, finished products are prepared by vacuum packaging, the blanching mode is low in efficiency, and certain damage can be caused to the corn.

SUMMERY OF THE UTILITY MODEL

The invention aims to solve the problems of low production efficiency and difficult guarantee of the corn nutrition degree in the prior art, and provides the quick-freezing production line of the corn cobs and the processing method thereof, which have the advantages of simple process and high production efficiency, and simultaneously protect the corn from being damaged and guarantee of the corn freshness and the nutrition degree.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a corn cob quick-freezing production line comprises a cleaning and weighing assembly, a feeding conveyor, a cooking steam pot, a discharging conveyor, a vibrating distributor, a precooling assembly and a variable-temperature quick freezer which are sequentially arranged, wherein the cooking steam pot comprises a shell, a steam heating assembly arranged in the shell, a spraying assembly arranged at the top of the inner side of the shell and an electric sealing valve for realizing high-pressure cooking, and an electric cabinet for centralized intelligent control is connected outside the shell; the variable-temperature quick freezer comprises a freezer body, wherein an evaporator, an axial flow fan and a temperature controller for controlling the temperature in the variable-temperature quick freezer are arranged in the freezer body.

In the technical scheme, the corn cobs are cleaned and weighed by the component, and meanwhile batch quantitative treatment is convenient to perform, the corn cobs are conveyed to the cooking steam pot by the feeding conveyor to be heated and cured, the cured corn cobs are conveyed to the vibrating distributor by the discharging conveyor, the vibrating distributor shakes off the moisture on the corn cobs and separates the cured and bonded corn cobs, the corn cobs are conveyed to the precooling component to be precooled, the precooling component cools the cooked high-temperature corn cobs, and finally the cooked high-temperature corn cobs enter the variable-temperature instant freezer to be frozen. The corn cob steaming and boiling device comprises a steaming and boiling steam pot, a spraying device, a water storage device, a water inlet, a water outlet, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the steaming and boiling steam pot heats and cures the corn cobs through a steaming; the evaporimeter in the alternating temperature frozen machine is used for the refrigeration, and axial fan is used for forming cold circulation, and the temperature control subassembly controls the temperature in the alternating temperature frozen machine through controlling the evaporimeter, makes the alternating temperature frozen machine form a degressive temperature, is favorable to preventing that the corn-on-cob from contacting the temperature that crosses lowly suddenly and causing the damage to the corn-on-cob, guarantees corn freshness and nutrition degree.

Preferably, a feed inlet and a discharge outlet are respectively arranged at two ends of the shell of the cooking steam pot, the feed inlet is arranged at the top of the shell, and the discharge outlet is arranged at the bottom of the shell.

The feed inlet sets up at the top of cooking steam pot, and the corn-on-cob of being convenient for enters into the cooking steam pot and transmits, and the discharge gate sets up in the bottom of cooking steam pot, and the corn-on-cob output of being convenient for enters into next process.

Preferably, the electric sealing valve comprises a first electric sealing valve arranged at the feed inlet and a second electric sealing valve arranged at the discharge outlet, electric actuators are respectively arranged at the feed inlet and the discharge outlet, the electric actuators are connected with the electric cabinet, and a steam exhaust valve group for stabilizing pressure is further arranged on the shell.

The first electric sealing valve and the second electric sealing valve respectively seal the feeding hole and the discharging hole for high-pressure cooking, so that the cooking speed is improved, the production efficiency is further improved, and the steam exhaust valve group is used for stabilizing the pressure in the cooking steam pot and improving the safety; the electric actuating mechanism is used for controlling the electric sealing valve, so that the automation of the steam cooker is realized, the accurate control of the cooking process in the steam cooker is facilitated, and the safety is high.

Preferably, a drain valve group is arranged at the bottom of the shell, a waterway pipeline for draining water is arranged at the lower side of the shell, and the waterway pipeline is communicated with the inside of the shell through the drain valve group.

The arrangement of the water path pipeline and the drain valve group is beneficial to discharging water in the steam boiler, and the water in the steam boiler is prevented from influencing the efficiency of steam heating.

Preferably, the variable temperature instant freezer further comprises a frame for supporting, the frame comprises a feeding frame and a discharging frame which are respectively arranged at two ends of the storehouse body, and the temperature of one end, close to the feeding frame, inside the storehouse body is higher than the temperature of one end, close to the discharging frame.

The frame is used for supporting whole alternating temperature frozen machine, and the temperature that is close to feeding frame one end is higher than the temperature that is close to ejection of compact frame one end, makes the internal temperature of storehouse reduce gradually, is favorable to preventing that the corn-on-cob temperature suddenly becomes the step-down and causes the damage to the corn-on-cob.

Preferably, a conveying mechanism for conveying the corn cobs is further arranged in the storehouse body, the conveying mechanism comprises a transmission speed reducer and a conveying mesh belt connected with the transmission speed reducer, the evaporators are arranged on two sides of the conveying mesh belt, and the axial flow fan is fixed below the conveying mesh belt.

The evaporator is used for refrigeration, and the axial flow fan is used for forming a cold cycle, so that refrigeration air of the evaporator flows upwards from the lower end of the conveying net belt, and is directly blown to the corn cobs on the conveying net belt, and the corn cobs are frozen.

Preferably, the cleaning and weighing component comprises a bubble cleaning machine, a raw material lifting machine and a quantitative weighing hopper which are sequentially arranged.

The bubble cleaning machine cleans the corn cobs under the action of high-pressure water flow and strong bubbles, the raw material hoister plays a role in transmission, the cleaned corn cobs are conveniently transmitted to the quantitative weighing hopper, and the quantitative weighing hopper is used for controlling the amount of the quick-frozen corn cobs, so that the corn cobs in different batches have the same quality.

Preferably, the precooling assembly comprises a spray cooling elevator and an air cooling precooler, the spray cooling elevator is communicated with the vibration material distributor, and the air cooling precooler is communicated with the variable temperature instant freezer.

Because can cause the damage to the maize when directly putting into the corncob of high temperature in the frozen machine and cooling down, influence quick-freeze efficiency simultaneously, and then can lead to the microorganism to breed on the corncob with the corncob natural cooling, spray cooling lifting machine and forced air cooling precooling make the production process safer and more sanitary, the setting of spray cooling lifting machine is used for cooling down the corncob of high temperature to 50 ℃, carry the precooling once more in the forced air cooling precooling machine with the corncob simultaneously, make 50 ℃ of the corncob cool down to 15 ℃, and then enter into and carry out cooling treatment in the variable temperature frozen machine, quick-freeze efficiency has been improved.

Preferably, a mesh belt elevator for conveying the corn cobs is arranged between the air-cooled precooler and the variable-temperature instant freezer.

The mesh belt elevator mainly has a transportation function and is used for conveying the corn cobs in the air-cooled precooler into the variable-temperature quick-freezing machine.

Preferably, the material distributing device further comprises a belt material collecting machine, and the belt material collecting machine is communicated with the discharging conveyor and the vibrating material distributing machine.

In order to improve the quick-freezing efficiency, a plurality of cleaning and weighing components, a feeding conveyor, a steaming and boiling steam pot and a discharging conveyor are arranged on the production line, and a belt material collector concentrates the corn cobs on the production line and conveys the corn cobs to a vibrating material distributor.

Therefore, the utility model discloses following beneficial effect has: (1) the process is simple, the production efficiency is high, the corn is protected from being damaged, and the freshness and the nutrition degree of the corn are ensured; (2) the electric actuating mechanism realizes the automation of the steam cooker, is convenient for accurately controlling the cooking process in the steam cooker and has high safety; (3) the mode of heating and curing the corn cobs by steam improves the production efficiency; (4) the spray water pipe is used for introducing water into the cooking steam boiler, so that the corn cobs directly enter the water after entering the cooking steam boiler to form buffering, and the corn cobs are prevented from being damaged by smashing the corn cobs on the conveying device after entering the cooking steam boiler from the feeding hole; (5) the spraying cooling hoister and the air cooling precooling make the production process safer and more sanitary.

Drawings

FIG. 1 is a schematic structural view of a corn cob quick-freezing production line of the present invention;

FIG. 2 is a top view of a corn cob quick-freezing production line;

FIG. 3 is a schematic view of the cleaning and weighing assembly;

FIG. 4 is a side view of the cooking steamer;

FIG. 5 is a schematic view of a construction of the steaming cooker;

FIG. 6 is a schematic diagram of a construction of the instant freezer;

FIG. 7 is a side view of the freezer;

in the figure: in the figure: 1. the device comprises a bubble cleaning machine 2, a raw material lifting machine 3, a quantitative weighing hopper 4, a feeding conveyor 5, a cooking steam pot 501, a spraying component 502, a steam heating component 503, a water supply control valve 504, a spraying water pipe 505, a waterway pipeline 506, a drain valve group 507, a feeding port 508, a discharging port 509, a steam heating component 510, a steam heating valve group 511, a steam discharging valve group 512, a shell 6, a discharging conveyor 7, a spraying cooling lifting machine 8, an air cooling pre-cooler 9, a mesh belt lifting machine 10, a temperature-changing quick freezing machine 1001, a feeding rack 1002, an axial flow fan 1003, an evaporator 1004, a reservoir 1005, a defrosting water inlet 1006, a conveying mesh belt 1007, a discharging rack 11, a belt collector 12 and a vibrating distributor.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 1 and 2, in embodiment 1, a corn cob quick-freezing production line comprises a cleaning and weighing machine, a feeding conveyor 4, a cooking steam pot 5, a discharging conveyor 6, a vibrating distributor 12, a discharging conveyor 66, a vibrating distributor 1212, a precooling assembly and a variable temperature freezer 1010 which are arranged in sequence; the cleaning and weighing assembly is used for cleaning the corn cobs and quantitatively processing the quick-frozen corn cobs to meet different requirements; the steaming and boiling steamer 5 comprises a shell 512, a steam heating component 502 arranged in the shell 512, a spraying component 501 arranged at the top of the inner side of the shell 512 and an electric sealing valve for realizing high-pressure steaming and boiling, and an electric cabinet is connected outside the shell 512. Wherein the steam heating component 502 is used for curing the corns, and the spraying component 501 is used for cooling the steaming steam pot 5 after the work is finished. In addition, an electric cabinet is connected outside the cooking steamer 5, and the electric cabinet is connected with the steam heating component 502, the spraying component 501 and the electric sealing valve, so that the centralized intelligent control of the cooking steamer 5 is realized; the variable temperature freezer 10 includes a storage 1004, and an evaporator 1003, an axial flow fan, and a temperature controller for controlling the temperature in the variable temperature freezer 10 are provided in the storage 1004.

In this technical scheme, the corn-on-cob is convenient for carry out batch quantitative processing through washing the subassembly of weighing and keeping sanitary simultaneously, feeding conveyor 4 carries the corn-on-cob to heat in the steam pot 5 of cooking and slaking, the corn-on-cob after the slaking is handled is transported to vibrating cloth machine 12 in through discharge conveyor 6 and is shaken off the water on the corn-on-cob simultaneously with the corn-on-cob separation that bonds after the slaking back together, then transmit the corn-on-cob to the precooling subassembly and carry out the precooling, the precooling subassembly is with the cooling of the corn-on-cob of high temperature after cooking, it carries out the refrigeration processing to get into alternating temperature frozen machine 10 at last, and simple process. The corn cob steaming and boiling device comprises a steaming and boiling steam pot 5, a spraying device, a water injection device and a water injection device, wherein the steaming and boiling steam pot 5 carries out heating and curing treatment on corn cobs through a steaming and boiling heating component, the spraying device is used for cooling the steaming and boiling steam pot 5 after the steaming and boiling work is finished, and simultaneously before the corn cobs enter the steaming and boiling steam pot 5, water is injected into the steaming and boiling steam pot 5 to enable the corn cobs to firstly enter water when entering the steaming and boiling steam pot 5, so that a buffering effect; the evaporator 1003 in the variable temperature instant freezer 10 is used for refrigerating, the axial flow fan 1002 is used for forming a cold cycle, the temperature control assembly controls the temperature in the variable temperature instant freezer 10 by controlling the evaporator 1003, so that a descending temperature is formed in the variable temperature instant freezer 10, the corn cob is prevented from being damaged by suddenly contacting with the excessively low temperature, and the freshness and the nutrition degree of the corn are ensured.

Further, as shown in fig. 3, the cleaning and weighing assembly comprises a bubble cleaning machine 1, a raw material lifting machine 2 and a quantitative weighing hopper 3 which are sequentially communicated, the bubble cleaning machine 1 cleans the corn cobs under the action of high-pressure water flow and strong bubbles, the lifting machine is far away to play a role in transmission, the cleaned corn cobs are conveniently transmitted to the quantitative weighing hopper 3, and the quantitative weighing hopper 3 is used for controlling the amount of the quick-frozen corn cobs, so that the corn cobs in different batches have the same quality.

In addition, the warehouse body 1004 of the variable temperature quick freezer 10 is made of double-sided stainless steel plate polyurethane insulation boards, and the arrangement of the double-sided stainless steel polyurethane insulation boards is beneficial to keeping low temperature in the quick freezer, so that the quick freezing efficiency is improved.

Example 2:

as shown in fig. 5, the embodiment 2 is basically the same as the embodiment 1, except that: a feed inlet 507 and a discharge outlet 508 are respectively arranged at two ends of a shell 512 of the cooking steamer 5, the feed inlet 507 is arranged at the top of the shell 512, the discharge outlet 508 is arranged at the bottom of the shell 512, the electric sealing valves comprise a first electric sealing valve arranged at the feed inlet 507 and a second electric sealing valve arranged at the discharge outlet 508, electric actuating mechanisms are also respectively arranged at the feed inlet 507 and the discharge outlet 508, the first electric sealing valve and the second electric sealing valve respectively seal the feed inlet 507 and the discharge outlet 508 for high-pressure cooking, the cooking speed is improved, the production efficiency is further improved, and the steam exhaust valve group 511 is arranged for stabilizing the pressure in the cooking steamer 5 and improving the safety; the electric cabinet controls the electric sealing valve by controlling the electric actuator, thereby controlling the material, realizing the automation of the cooking steam pot 5, being convenient for accurately controlling the cooking process in the cooking steam pot 5 and having high safety.

Example 3:

as shown in fig. 4 and 5, the embodiment 3 is basically the same as the embodiment 1, except that: the steam heating component 502 comprises a steam heating pipe group 509 and a steam heating valve group 510 which are arranged inside the cooking steam pot 5, the spraying component 501 comprises a spraying water pipe 504 and a control valve which are arranged on the top of the cooking steam pot 5, wherein the steam heating pipe group 509 generates hot steam so as to cure the corn, the spraying component 501 is arranged to cool the cooking steam pot 5 after the cooking result, the water supply control valve 503 is used for controlling the spraying water pipe 504, and the spraying water pipe 504 sprays water from the top to the bottom so as to accelerate the cooling speed of the cooking steam pot 5; in addition, before the corn-on-cob gets into steam pot 5, through the water injection in spray header 504 toward steam pot 5, make the corn-on-cob directly get into the aquatic after getting into steam pot 5 from feed inlet 507, play the cushioning effect, prevent that the corn-on-cob from smashing conveyer after the feed inlet 507 gets into and cause the damage to the corn-on-cob, and after the whole entering steam pot 5 of corn-on-cob, discharge water, carry out steam heating again and age the corn.

Further, be provided with hydrophobic valve group 506 bottom casing 512, be provided with the waterway pipeline 505 that is used for the drainage at casing 512 downside, waterway pipeline 505 passes through hydrophobic valve group and the inside intercommunication of casing 512, and waterway pipeline 505 and hydrophobic valve group 506 be provided with and do benefit to the water discharge with in the steam pot 5 of cooking, avoid the water in the steam pot 5 to influence steam heating's efficiency.

Example 4:

the embodiment 4 is basically the same as the embodiment 1, except that: the precooling assembly comprises a spray cooling elevator 7 and an air cooling precooler 8, the spray cooling elevator 7 is communicated with a vibration material distributor 12, the air cooling precooler 8 is communicated with the variable-temperature instant freezer 10, the corn can be damaged when the high-temperature corn cobs are directly placed into the instant freezer for cooling, the quick-freezing efficiency is influenced, the microorganisms on the corn cobs can be propagated when the corn cobs are naturally cooled, the production process is safer and more sanitary due to the spray cooling elevator 7 and the air cooling precooling, the high-temperature corn cobs are cooled to 50 ℃ by the spray cooling elevator 7, meanwhile, the corn cobs are conveyed into the air cooling precooler 8 for precooling again, the corn cobs at 50 ℃ are cooled to 15 ℃, and then the corn cobs enter the variable-temperature instant freezer 10 for cooling, and the quick-freezing efficiency is improved. In addition, after the spray cooling lifting machine 7 cools the corn cobs, the spray cooling lifting machine 7 can be filled with damp and hot air, and in order to avoid the damp and hot air to influence the efficiency of the spray cooling lifting machine 7, a damp and hot air exhaust fan is arranged at the top of the spray cooling lifting machine 7 and used for forcibly exhausting the damp and hot air. The precooling temperature of the air-cooled precooler 8 is less than or equal to minus 5 ℃, the corn cobs enter the air-cooled precooler 8 from the spray cooling elevator 7, the feeding temperature of the air-cooled precooler 8 is 50 ℃, and the temperature of the corn cobs after being precooled in the air-cooled precooler 8 is reduced to 15 ℃, namely the discharging temperature is 15 ℃. In addition, in order to ensure the precooling efficiency, the shell of the air-cooled precooler 8 is also made of a double-sided stainless steel plate sandwiched polyurethane insulation board.

In order to facilitate the transportation of the corn cobs in the air-cooled precooler 8 to the variable-temperature quick-freezing box, a mesh belt elevator 9 is arranged between the air-cooled precooler 8 and the variable-temperature quick-freezing box 10.

Example 5:

as shown in fig. 6 and 7, the embodiment 5 is basically the same as the embodiment 1, except that: the variable temperature instant freezer 10 also comprises a frame for supporting, the frame comprises a feeding frame 1001 and a discharging frame 1007 which are respectively arranged at two ends of the storehouse body 1004, the temperature of one end of the storehouse body 1004 close to the feeding frame 1001 is higher than that of one end close to the discharging frame 1007, a conveying mechanism for conveying corn cobs is also arranged in the storehouse body 1004, the conveying mechanism comprises a transmission speed reducer and a conveying mesh belt 1006 connected with the transmission speed reducer, evaporators 1003 are arranged at two sides of the conveying mesh belt 1006, an axial flow fan 1002 is fixed below the conveying mesh belt 1006, the evaporators 1003 are used for refrigerating, the axial flow fan 1002 is used for forming a refrigerating cycle, refrigerating air of the evaporators 1003 flows upwards from the lower end of the conveying mesh belt 1006 so as to directly blow to the corn cobs on the conveying mesh belt 1006 to refrigerate the corn cobs, the frame is used for supporting the whole variable temperature instant freezer 10, the temperature of one end close to the feeding frame 1001 is higher than, the temperature inside the bin body 1004 is controlled by the temperature controller, so that the temperature inside the bin body is ensured to be gradually reduced from the end close to the feeding rack 1001 to the end close to the discharging rack 1007, the damage to the corn cobs caused by the suddenly reduced temperature of the corn cobs is favorably prevented,

in addition, the conveying belt 1006 is made of stainless steel chain and stainless steel screen, and is designed to be conveyed in three sections. 24 evaporators 1003 and 72 axial flow fans 1002 are arranged in the variable temperature quick freezing machine 10, the temperature inside the variable temperature quick freezing box is-25 ℃ close to the temperature of the feeding rack 1001, and the temperature close to the discharging rack 1007 is less than or equal to-35 ℃; the feeding temperature of the corn cobs is 15 ℃, and the discharging temperature is-18 ℃.

Further, in order to avoid the influence on the quick-freezing efficiency after the evaporator 10031003 frosts, a defrosting water inlet 1005 is formed in the quick freezer, and the arrangement of the defrosting water inlet 1005 is beneficial to removing frost outside the evaporator 1003, so that the efficiency of the evaporator 1003 is improved.

Example 6:

the embodiment 6 is basically the same as the embodiment 1, except that: the utility model provides a corn-on-cob quick-freeze production line, still includes belt collecting machine 11, and belt collecting machine 11 communicates discharge conveyor 6 and vibration cloth machine 12, for improving production efficiency, can set up a plurality of washing assemblies of weighing, feed conveyor 4, the steam pot 5 of cooking, the production line of discharge conveyor 6 part side by side, and the belt collecting device is concentrated the corn-on-line of a plurality of these parts to transport in the vibration cloth machine 12.

Example 7:

embodiment 7 is a quick-freeze flow of corn-on-cob quick-freeze production line:

the method comprises the following steps: cleaning, namely placing the corn cobs into a cleaning and weighing assembly for cleaning and weighing, wherein the corn is cleaned in a bubble cleaning machine 1 through high-pressure water flow and strong bubbles, and after cleaning, the corn is conveyed into a quantitative weighing hopper 3 through a raw material lifting machine 2 to be weighed;

step two: before cooking, firstly, water is fed into a cooking steam pot through a spraying assembly 501, then, a certain amount of corn is conveyed to the cooking steam pot 5 through a feeding conveyor 4, after all the corn enters the cooking steam pot 5, an electric actuator is controlled through an electric cabinet to close an electric sealing valve, then, a drain valve group is opened, water in the cooking steam pot is discharged through a water pipeline 505, and after water in the cooking steam pot is discharged, a steam heating pipe group 509 is opened to heat and cure the corn cobs;

step three: vibrating and separating, namely conveying the cured corn cobs to a belt material collector 11 through a discharging conveyor 6 and then to a vibrating material distributor 12 to shake off moisture on the corn and separate the bonded corn;

step four: precooling, namely conveying the corn cobs into a precooling assembly through a mesh belt elevator 9 for precooling, wherein the temperature of the corn cobs is reduced to 50 ℃ by a spray cooling elevator 7, the corn cobs are lifted and conveyed into an air-cooled precooler 8, and the temperature of the corn cobs is reduced to 15 ℃ after the corn cobs are precooled in the air-cooled precooler 8;

step five: and (3) quick-freezing, namely conveying the corn cobs into a variable-temperature quick-freezing machine 10 for quick-freezing, cooling the corn cobs to-18 ℃, completing the quick-freezing, and entering the next procedure.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. A corn cob quick-freezing production line is characterized by comprising a cleaning and weighing assembly, a feeding conveyor (4), a cooking steam pot (5), a discharging conveyor (6), a vibrating distributor (12), a precooling assembly and a variable-temperature instant freezer (10) which are sequentially arranged, wherein the cooking steam pot (5) comprises a shell (512), a steam heating assembly (502) arranged in the shell (512), a spraying assembly (501) arranged at the top of the inner side of the shell (512) and an electric sealing valve for realizing high-pressure cooking, and an electric cabinet for centralized intelligent control is connected outside the shell (512); the variable temperature freezer (10) comprises a storehouse body (1004), wherein an evaporator (1003), an axial flow fan and a temperature controller for controlling the temperature in the variable temperature freezer (10) are arranged in the storehouse body (1004).

2. A corn cob quick-freezing production line as claimed in claim 1, wherein a feed inlet (507) and a discharge outlet (508) are respectively arranged at two ends of a shell (512) of the cooking steam kettle (5), the feed inlet (507) is arranged at the top of the shell (512), and the discharge outlet (508) is arranged at the bottom of the shell (512).

3. The corn cob quick-freezing production line as claimed in claim 2, wherein the electric sealing valve comprises a first electric sealing valve arranged at the feed inlet (507) and a second electric sealing valve arranged at the discharge outlet (508), electric actuators are respectively arranged at the feed inlet (507) and the discharge outlet (508), and the electric actuators are connected with an electric cabinet; an exhaust valve group (511) for stabilizing pressure is also arranged on the shell (512).

4. The corn cob quick-freezing production line as claimed in claim 1, wherein a drain valve group (506) is arranged at the bottom of the shell (512), a water channel pipeline (505) for draining water is arranged at the lower side of the shell (512), and the water channel pipeline (505) is communicated with the interior of the shell (512) through the drain valve group (506).

5. The corn cob quick-freezing production line as claimed in claim 1, wherein the temperature-changing quick-freezing machine (10) further comprises a frame for supporting, the frame comprises a feeding frame (1001) and a discharging frame (1007) which are respectively arranged at two ends of the warehouse body (1004), and the temperature of one end of the warehouse body (1004) close to the feeding frame (1001) is higher than that of one end close to the discharging frame (1007).

6. The corn cob quick-freezing production line as claimed in claim 1, wherein a conveying mechanism for conveying corn cobs is further arranged in the storehouse body (1004), the conveying mechanism comprises a transmission speed reducer and a conveying mesh belt (1006) connected with the transmission speed reducer, the evaporators (1003) are arranged on two sides of the conveying mesh belt (1006), and the axial flow fan (1002) is fixed below the conveying mesh belt (1006).

7. The corn cob quick-freezing production line as claimed in any one of claims 1-6, wherein the cleaning and weighing assembly comprises an air bubble cleaning machine (1), a raw material lifting machine (2) and a quantitative weighing hopper (3) which are sequentially arranged.

8. The corn cob quick-freezing production line as claimed in any one of claims 1-6, wherein the pre-cooling assembly comprises a spray cooling elevator (7) and an air-cooled pre-cooler (8), the spray cooling elevator (7) is communicated with the vibrating distributor (12), and the air-cooled pre-cooler (8) is communicated with the temperature-changing instant freezer (10).

9. A corn cob quick-freezing production line as claimed in claim 8, characterized in that a mesh belt elevator (9) for conveying corn cobs is arranged between the air-cooled precooler (8) and the temperature-changing instant freezer (10).

10. A corn cob quick-freezing production line as claimed in any one of claims 1-6, characterized by further comprising a belt collector (11), wherein the belt collector (11) is communicated with the discharging conveyor (6) and the vibrating distributor (12).

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