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Liquid nitrogen tunnel freezer principle:
The Ultra-Low Temperature Liquid Nitrogen Freezer is a professional-grade product designed for high-value and large-volume products. With its short freezing time and the use of liquid nitrogen as a freezing medium, it can reach temperatures as low as -196 degrees Celsius. This freezer is highly customizable to meet your specific needs.
Product Features
1. The use of cryogenic technology, product freezing time shorter, more efficient refrigeration.
2. The entire structure is made of stainless steel, in full compliance with health standards.
3. The product structure is simple, easy to install and operate.
advantage
1.No damage to the cell structure, without loss of dewatering and drying, no water loss.
2. IIncrease productivity, improve frozen product texture, color and flavor.6.Compared with the slower method, higher-quality frozen products
Liquid nitrogen tunnel freezer technology solutions
1. Main technical parameters：
NO. | Project | Parameters |
1 | Mesh belt size： | 5500 mm（L）×800 mm(W) Capacity: 300KG/H |
2 | Outline dimension： | 5500 mm（L）×1700 mm(W)×2050 mm(H) |
3 | working temperature： | -180℃～15℃ |
4 | control accuracy： | ±2℃ |
5 | Tunnel cycle time： | 8-40Min Adjustable |
6 | Cooling rate： | 10℃/Min |
7 | Supply power： | 440V/60HZ |
8 | Power： | 8KW |
9 | Refrigerant： | 5-10BAR liquid nitrogen |
2. Main structure and configuration
The equipment is a continuous production line，Safe and durable，Easy operation. Quick freezing machine mainly by the body, insulation system, transmission system, refrigeration system, control system
Body and thermal insulation system | Body design:The thickness of the inner cavity and the outer cavity is 2MMsus304 food grade stainless steel plate shearing and bending.The position of the force with the reinforcement and reinforcement of Teflon，To ensure long-term bearing does not deform，Make the craft beautiful. |
Integrated electric cabinet，Save space. | |
Thermal insulation layer：Germany imported BASF polyester raw materials.Multi layer thermal insulation foam insulation layer, insulation layer thickness: 150mm | |
Equipment maintenance：Adopt integral lifting system，Easy to clean and maintain the conveyor belt The bottom of the body with drain out，In order to discharge equipment to clean waste residue and water；Design of equipment with long life and low consumption，Simple and rapid replacement of vulnerable parts，Excellent maintainability.Lifting screw material is SUS304. | |
Transfer system | Food transportation: SUS304 food special conveyor belt，With variable frequency adjustable speed motor，Conveying speed can be adjusted according to different products；The device is also provided with a mesh belt tightness adjusting device，To ensure the stable and long life of the food conveyor belt |
Variable frequency motor and speed reducer，Adjustable speed。 | |
Conveyor belt is stainless steel 304 chain plate mesh belt，Corrosion resistance and low temperature resistance，Can be used for a long time. | |
Refrigeration system | Liquid nitrogen flow control solenoid valve：KEIHIN solenoid valve with manual liquid nitrogen stop valve joint control, equipped with redundant systems, in which a group of faults, but also normal production, to ensure adequate safety |
A series of stainless steel nozzles formed in liquid nitrogen quick freezing zone formed a uniform and stable liquid nitrogen cold flow, and the nozzle has a long life without damage.The conveyor belt is equipped with a spray device，Automatic manual operation，Can open all the work can also open the work independently.The upper and lower spray angle can be adjusted, so that the speed of product production more uniform effect | |
Low temperature long axis motor and aluminum alloy axial fan，In the air cooling mode, it can guarantee the fast convection cooling, at the same time, it can ensure the uniform temperature field and the fan speed can be adjusted.Fan blade angle can be adjusted manually according to different products | |
Liquid nitrogen transfer tube：Low temperature high pressure liquid nitrogen conveying pipe，The outer layer is treated by heat preservation，Not easily damaged，Can effectively reduce the loss of liquid nitrogen | |
The feed end and the discharge end are provided with a tail gas outlet, which is connected with a large flow frequency conversion fan, and the tail gas of the quick freezing line can be drawn out to the designated position for discharging or pre cooling material | |
Control system | The control system has two kinds of automatic and manual refrigeration mode, the user can choose according to the different production needs |
With the running speed of the network, the fan speed can be adjusted by frequency conversion, matching the different temperature to adapt to different frozen categories | |
The use of man-machine interface (touch screen) input, PLC intelligent control, with PID automatic adjustment function, can be divided into ten steps to cool and heat preservation, automatic alarm after the end of all procedures | |
PT100 platinum resistance temperature measurement，Measuring range：200℃～-200℃。 | |
SIEMENS 10 inch color screen，Manual and automatic operation，Input is intuitive and simple.Can store a variety of refrigeration technology, one button operation. | |
Contactor, button: all imported Schneider components, reliable and durable | |
Belt drive system is equipped with independent frequency conversion motor | |
At the discharge end of the equipment, the receiving end of the electric cabinet is equipped with emergency stop safety switch to ensure the safety of different stations at any time |
3. Equipment main component configuration list
NO. | Name | Parameters | Brand |
1 | Cryogenic Globe Valve | DN25 | CHINA |
2 | Temperature sensor | PT100 | CHINA |
3 | PLC | 1BD23 | SIEMENS |
4 | PLC Modular | 7PD22 | SIEMENS |
5 | Touch screen | 10inch | MCGS |
6 | Sealing strip | USA | |
7 | Thermal insulation layer material | BASF Polymeric material | USA |
8 | Axial flow fan | 1.1KW | CHINA |
9 | Conveyor belt | SUS304 | JAPAN |
10 | Low temperature solenoid valve | 1/2inch | JAPAN |
11 | Relay | Schneider | FRANCE |
12 | Frequency converter | VFD022M43B | CHINA |
13 | Low temperature bearing | SUS304 | Customized |
14 | Box material | SUS304 Thickness:2mm | CHINA |
15 | Transfer motor | 1.5KW | ABB |
16 | Screw lifting system | RNF040 | CHINA |
17 | Ultra low temperature vacuum hose | Length 2 m | CHINA |
Liquid nitrogen tunnel freezer principle:
The Ultra-Low Temperature Liquid Nitrogen Freezer is a professional-grade product designed for high-value and large-volume products. With its short freezing time and the use of liquid nitrogen as a freezing medium, it can reach temperatures as low as -196 degrees Celsius. This freezer is highly customizable to meet your specific needs.
Product Features
1. The use of cryogenic technology, product freezing time shorter, more efficient refrigeration.
2. The entire structure is made of stainless steel, in full compliance with health standards.
3. The product structure is simple, easy to install and operate.
advantage
1.No damage to the cell structure, without loss of dewatering and drying, no water loss.
2. IIncrease productivity, improve frozen product texture, color and flavor.6.Compared with the slower method, higher-quality frozen products
Liquid nitrogen tunnel freezer technology solutions
1. Main technical parameters：
NO. | Project | Parameters |
1 | Mesh belt size： | 5500 mm（L）×800 mm(W) Capacity: 300KG/H |
2 | Outline dimension： | 5500 mm（L）×1700 mm(W)×2050 mm(H) |
3 | working temperature： | -180℃～15℃ |
4 | control accuracy： | ±2℃ |
5 | Tunnel cycle time： | 8-40Min Adjustable |
6 | Cooling rate： | 10℃/Min |
7 | Supply power： | 440V/60HZ |
8 | Power： | 8KW |
9 | Refrigerant： | 5-10BAR liquid nitrogen |
2. Main structure and configuration
The equipment is a continuous production line，Safe and durable，Easy operation. Quick freezing machine mainly by the body, insulation system, transmission system, refrigeration system, control system
Body and thermal insulation system | Body design:The thickness of the inner cavity and the outer cavity is 2MMsus304 food grade stainless steel plate shearing and bending.The position of the force with the reinforcement and reinforcement of Teflon，To ensure long-term bearing does not deform，Make the craft beautiful. |
Integrated electric cabinet，Save space. | |
Thermal insulation layer：Germany imported BASF polyester raw materials.Multi layer thermal insulation foam insulation layer, insulation layer thickness: 150mm | |
Equipment maintenance：Adopt integral lifting system，Easy to clean and maintain the conveyor belt The bottom of the body with drain out，In order to discharge equipment to clean waste residue and water；Design of equipment with long life and low consumption，Simple and rapid replacement of vulnerable parts，Excellent maintainability.Lifting screw material is SUS304. | |
Transfer system | Food transportation: SUS304 food special conveyor belt，With variable frequency adjustable speed motor，Conveying speed can be adjusted according to different products；The device is also provided with a mesh belt tightness adjusting device，To ensure the stable and long life of the food conveyor belt |
Variable frequency motor and speed reducer，Adjustable speed。 | |
Conveyor belt is stainless steel 304 chain plate mesh belt，Corrosion resistance and low temperature resistance，Can be used for a long time. | |
Refrigeration system | Liquid nitrogen flow control solenoid valve：KEIHIN solenoid valve with manual liquid nitrogen stop valve joint control, equipped with redundant systems, in which a group of faults, but also normal production, to ensure adequate safety |
A series of stainless steel nozzles formed in liquid nitrogen quick freezing zone formed a uniform and stable liquid nitrogen cold flow, and the nozzle has a long life without damage.The conveyor belt is equipped with a spray device，Automatic manual operation，Can open all the work can also open the work independently.The upper and lower spray angle can be adjusted, so that the speed of product production more uniform effect | |
Low temperature long axis motor and aluminum alloy axial fan，In the air cooling mode, it can guarantee the fast convection cooling, at the same time, it can ensure the uniform temperature field and the fan speed can be adjusted.Fan blade angle can be adjusted manually according to different products | |
Liquid nitrogen transfer tube：Low temperature high pressure liquid nitrogen conveying pipe，The outer layer is treated by heat preservation，Not easily damaged，Can effectively reduce the loss of liquid nitrogen | |
The feed end and the discharge end are provided with a tail gas outlet, which is connected with a large flow frequency conversion fan, and the tail gas of the quick freezing line can be drawn out to the designated position for discharging or pre cooling material | |
Control system | The control system has two kinds of automatic and manual refrigeration mode, the user can choose according to the different production needs |
With the running speed of the network, the fan speed can be adjusted by frequency conversion, matching the different temperature to adapt to different frozen categories | |
The use of man-machine interface (touch screen) input, PLC intelligent control, with PID automatic adjustment function, can be divided into ten steps to cool and heat preservation, automatic alarm after the end of all procedures | |
PT100 platinum resistance temperature measurement，Measuring range：200℃～-200℃。 | |
SIEMENS 10 inch color screen，Manual and automatic operation，Input is intuitive and simple.Can store a variety of refrigeration technology, one button operation. | |
Contactor, button: all imported Schneider components, reliable and durable | |
Belt drive system is equipped with independent frequency conversion motor | |
At the discharge end of the equipment, the receiving end of the electric cabinet is equipped with emergency stop safety switch to ensure the safety of different stations at any time |
3. Equipment main component configuration list
NO. | Name | Parameters | Brand |
1 | Cryogenic Globe Valve | DN25 | CHINA |
2 | Temperature sensor | PT100 | CHINA |
3 | PLC | 1BD23 | SIEMENS |
4 | PLC Modular | 7PD22 | SIEMENS |
5 | Touch screen | 10inch | MCGS |
6 | Sealing strip | USA | |
7 | Thermal insulation layer material | BASF Polymeric material | USA |
8 | Axial flow fan | 1.1KW | CHINA |
9 | Conveyor belt | SUS304 | JAPAN |
10 | Low temperature solenoid valve | 1/2inch | JAPAN |
11 | Relay | Schneider | FRANCE |
12 | Frequency converter | VFD022M43B | CHINA |
13 | Low temperature bearing | SUS304 | Customized |
14 | Box material | SUS304 Thickness:2mm | CHINA |
15 | Transfer motor | 1.5KW | ABB |
16 | Screw lifting system | RNF040 | CHINA |
17 | Ultra low temperature vacuum hose | Length 2 m | CHINA |
