Utilize the low-temperature high-humidity air to blow the surface of frozen products circularly and evenly,keep the food fresh.
Application:
The food processing factories which need Frozen Food as raw materials, and the companies which need the safe and sanitary unfrozen food with a lower weight-loss rate.
Features:
1.It can make the lost juice be absorbed completely by cells and meat of food during unfreezing process, which can retain the natural color and taste and reduce the loss of nutrition after unfreezing. It also can reduce the weight-loss rate (within 1%), which can help the food processing factories decrease the loss.
2.Sensible fans location and blowing style ensure the air homogeneous in the area of unfreezing and make the foods unfrozen evenly.
3.Improve the sanitary condition of unfreezing environment and prevent the foods from being contaminated again after unfreezing.
4.It can convert to fresh-preserve state automatically after unfreezing, and you can get out fresh food anytime.
5.Low-temperature humidifying device solves the problem that it is difficult to humidify in a lower temperature. When the temperature of unfreezing environment is 25, the humidity can reach 90%.
6.The disinfector(optional) provides some ozone into unfreezing Machine before food inlet and after food outlet, which can kill the bacteria inside unfreezing machine and ensure the sanitation in unfreezing area.
7.We adopt the touching screen and PLC to control the electric components. We can input different unfreezing program according to different foods, and the only thing which users need to do is start this progarm.
Major technical parameter of DGKJ series:
| Model | Cabinet dimensions | Unfreezing capacity | Heater power | Water pump power | Fan power | Refrigeration capacity | Compressor power |
| L×W×H (m) | Ton/once | KW | KW | KW | KW | KW | |
| DGKJ-100 | 1.5×0.8×1.8 | 0.1 | 1 | 0.18 | 0.37 | 0.60 | 0.32 |
| DGKJ-500 | 3.1×0.96×2.4 | 0.5 | 3 | 0.18 | 0.74 | 1.00 | 0.83 |
| DGKJ-1000 | 3.1×1.5×2.4 | 1 | 6 | 0.37 | 1.50 | 1.50 | 0.85 |
| DGKJ-2000 | 3.5×2.1×2.4 | 2 | 12 | 0.75 | 2.25 | 2.80 | 1.35 |
| DGKJ-5000 | 6.5×3.8×3.2 | 5 | Need steam source | 1.50 | 4.40 | 6.00 | 3.31 |
| DGKJ-10000 | 8.0×4.5×3.2 | 10 | Need steam source | 2.20 | 5.50 | 10.50 | 5.95 |
| DGKJ-20000 | 13.3×5.1×3.2 | 20 | Need steam source | 3.00 | 11.00 | 21.00 | 10.24 |
| DGKJ-30000 | 16.8×5.8×3.3 | 30 | Need steam source | 4.00 | 16.00 | 34.60 | 16.62 |
| DGKJ-50000 | 19.6×8.1×3.3 | 50 | Need steam source | 7.50 | 27.00 | 51.90 | 24.93 |
| Remarks: The parameters above are for your reference only, we can provide the best project according to different demands of customer. Additionally, we are engaged into updating technology, so we reserve the rights to change parameters above without notice advance. | |||||||
Comparing different unfreezing methods
| Item | Low temperature high humidity air unfreezing | Water unfreezing | Room temp. unfreezing | microwave unfreezing |
| scope of application | Many foods | Seafood and meat | Many foods | Many foods |
| Unfreezing quality | High unfreezing quality, juice lose slightly, foods can be frozen evenly | Bad unfreezing quality, juice lose seriously, foods cannot be frozen evenly | Bad unfreezing quality, juice lose seriously, foods cannot be frozen evenly | Unfreezing is very unevenly, over-unfreezing happens a lot |
| Weight-loss rate | Within 1% | 3%~5% | Above 3% | 2%3% |
| Foods' color and taste | Retaining the natural color and taste | Surface color become dark and lose the natural taste | Surface color become dark seriously and lose the natural taste a lot | Retaining the natural color but losing the natural taste a lot, especially the surface |
| Food sanitation | Has a good performance in eliminating the peculiar smell and killing bacteria. Ensure the hygiene of food | Foods contaminate each other, Bacteria reproduce rapidly, and the hygienic condition is poor | Bacteria in air attach on the food surface often and the hygienic condition is poor | Satisfy the food hygiene requirements |
| Unfreezing time | short | Short relatively | Very long | Very short |
| Output once | large | large | large | Small |
| Operation | Very easy | Experience of operator is necessary | Experience of operator is necessary | Easy |
| Water consumption | a little | a lot | without | without |
| Occupation area | Small | Big | Big | Small |
The economic loss brought by weight-loss after unfreezing (calculated as chicken, 10tons/day)
The whole economic benefits lies in the electricity using, water using, labor using, gas using, space using, quality of products and many other aspects, any one of which can lead to a different economic benefits. We take the weight-loss during unfreezing process as example to introduce:
| Item | Low temperature high humidity air unfreezing | Water unfreezing | Room temp. unfreezing | microwave unfreezing |
| Weight-loss rate | About 1% | About3% | About 2% | About2.5% |
| Weight loss(kg/day) | 100 | 300 | 200 | 250 |
| Daily economic loss (Average price: USD 2/kg) | USD200 | USD600 | USD400 | USD500 |
| Monthly economic loss | USD6000 | USD18000 | USD12000 | USD15000 |
| Place of Origin: |
Tianjin China (Mainland)
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Brand Name: |
Seven star
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Model Number: |
DGKJ Series
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| Type: |
Meat Processing Machinery,food thawing machine
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material: |
SUS304
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thawing method: |
Low-temperature high-humidity air thawing
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| unfreezing time: |
short and keep the food fresh
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certification: |
ISO9001:2000
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