Sus304 Stainless Steel Iqf Liquid Nitrogen Freezer Machine Cryogenic Freezing Chamber
product description
DJL liquid nitrogen cabinet iqf freezer for fruits and vegetables is a cabinet type liquid nitrogen freezing and cooling equipment, specially designed for batch freezing, or small and medium scale freezing needs. Liquid nitrogen is used as the refrigerant. Nitrogen (n2) is an inert reaction-inhibiting gas, which is produced in liquid form by low-temperature air separation. Nitrogen is the main component of air, accounting for 78% of the air volume. The juice loss rate loss of the conventional systems is as high as 5%, while the juice loss rate of low-temperature freezing is less than 1%.
Brief introduction of liquid nitrogen cabinet iqf freezer for foods:
| Equipment material: | Inner and outer cavities of equipment are made of SUS304 stainless steel, durable and non-corrosive. |
| Power distribution: | Distribute according to customer's local voltage |
| Working temperature: | -120℃~ Room temperature |
| Temperature control precision: | ±2℃ |
| Temperature uniformity: | ±3℃ |
| Liquid nitrogen pressure: | 5~10 bar |
| Temperature sensor: | A grade PT100 platinum resistor |
| Insulation of equipment: | 150mm thickness, foam polyurethane insulation, excellent insulation performance |
| Liquid nitrogen control valve: | Combined control of automatic valve and manual stop valve, equipped with redundant system to ensure adequate safety. |
| Convection circulation: | The long shaft motor is equipped with a strengthened axial flow fan, with the maximum wind speed up to 10m/s, fast and uniform cooling rate. |
| Electrical control: | Man-machine interface +PLC, easy to learn input, intuitive and reliable control, with temperature monitoring and alarm functions, electrical interlock, to ensure the safety of equipment and process operation. |
| Equipment maintenance: | The long-life and low-consumable design, simple and rapid replacement of vulnerable part, excellent maintainability. |
The style change of DJL liquid nitrogen cabinet iqf freezer for foods:
-Single-door cabinet freezer: Applicable to individual quick-freezing (IQF) and tray freezing. It is suitable for internal testing,developing and small-lot production. Small land occupation and low energy consumption.
-Double-door cabinet freezer: It is composed of two boxes, each box can be controlled separately, work alone, convenient for the situation that the quick-frozen food quantity is not full, only need to start one box to work, save the cost of liquid nitrogen. If two boxes are used at the same time, the exhaust gas can be used to precool each other.
-Multi-door cabinet freezer: It is composed of multiple boxes, each box can be controlled separately, work alone, If multiple boxes are used at the same time, the exhaust gas can be used to precool each other.
-Laboratory cabinet freezer: Commonly used in scientific research sites of schools and companies.
For different customers, we can also provide the following services:
- Analyze the feasibility of quick-frozen product processing for customers;
- Tell the customer the true cost;
- Design the reasonable & exclusive quick-freezing total solution;
- Experiment and verification supporting;
- Provide professional technical training to customer site operators;
- Share the latest technology and experimental results with customers;
- Provide overall support to customers;
- Support the original ecology, no additives food quick-freezing, maximize the preservation time of food;
FAQ:
1. How fast is DJL liquid nitrogen freezing technology?
There will be differences according to the different thickness and the packaging and different freezing temperature of product, when extreme temperature is used, DJL liquid nitrogen fast freezing speed can freeze naked frozen food with a thickness of 5CM in 3 minutes at the fastest., However, it is more common to freeze naked-food which up to 10CM thick within 10-30 minutes, usually used temperature between -80℃ to -120℃, extreme use of liquid nitrogen immersion, the temperature can reach -196℃.
2. What is the dry consumption of liquid nitrogen quick freezing?
For seafood naked freezing with high water content, after froze by DJL liquid nitrogen freezing technology, its dry consumption is about 1‰ to 5‰, while the traditional freezing method is generally within 3~5% . If the product with a relatively high unit price, alarge part of the loss of economic value can be avoided by dry consumption weight.
3. Is the purchase cost of liquid nitrogen freezer high? How long can it be used? What are the special requirements for supporting resources?
Under the same output, the purchase cost of DJL liquid nitrogen freezer is about one-half of that of the compressor iqf freezer. Due to different refrigeration methods and structural design, its service life can be up to 20 years, about twice as long as the traditional equipment. Liquid nitrogen quick freezer mainly depends on liquid nitrogen refrigeration, the need for electricity is relatively low, power distribution mainly is for the convection fan and transmission system, generally, it is one-tenth of the compressor quick-freezing equipment with the same capacity.
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