Gold Member Since 2007
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Zhejiang Kingfit Environment Co., Ltd.

Grain Chiller for Paddy, Air Duct, Grain Storage Ventilation manufacturer / supplier in China, offering High Efficiency Grain Chiller for Silo, Mushroom Climate Control Machine with Fresh Air System, Kf Round Water Cooling Tower and so on.

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High Efficiency Grain Chiller for Silo

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 200 Set/Quarter
Transport Package: Plywood Case
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: QGL-15FA
  • Certification: ISO, CE
  • Usage: for Depot Ventilation
  • Trademark: KINGFIT
  • Origin: Lishui, Zhejiang
  • Type: Air-Cooled
  • Condition: New
  • Cooling Method: Direct Cooling
  • Specification: QGL-20FA
  • HS Code: 84186990
Product Description

The most natural and cost effective way to preserve all kind of grains, seeds and perishable granular products.

-          Prevention from insect development & fungi.

-          No chemical treatment.

-          Partial drying effect.

-          Reduction of dry substance loss.

-          Works independent of ambient conditions.

-          Keeps the fresh harvest scent.

-          No yellow colored rice.

Avoids typical problems of grain storing: heat development, insect activity, product fermentation, moulds, toxins, weight loss because of grain metabolism, water condensation. Grain chilling permits higher grain moisture contents, without risk. With the use of cooling procedure, expensive and dangerous chemical fumigations are avoided.

The product is stored in best possible condition. Operating costs of grain chilling are cheaper than traditional ones.

Typical pay-back for the KINGFIT cooling units is achieved in 1-2 years. Even shorter under the tropics. 


The cooling system is specially recommended for rice, maize, wheat, barley, soya beans, sunflower seeds, sorghum, cotton seeds, green coffee beans, lucerne pellets, feed pellets etc.The refrigeration can be used in silos and warehouses. In silos, the chiller air outlet is connected to the existing aeration inlet pipe. The use of the cooling system is usually immediate and no additional works are necessary.In warehouses, an on-floor or under-floor duct system has to be previously arranged. Our technical department will gladly offer you support.

How it works:

The cold air produced by the QINGFENG chiller unit us introduced at the bottom of the silo. This air begins to cool the bottom layer of grain. The air pushes the heat to pass upwards through the mass of grain and escapes as warm exhaust air. As the cooling process develops, a cooling zone is formed and slowly moving up through the grain.

The cooling operation is completed as soon as the escaping air is cold. The same sequence occurs in case of flat storage plants. Grain is a band heat transmitter, in other words, it is a good insulator material. The radiation of heat from the outside is of little influence, even if stored inside of steel silos or warehouses. For this reason, no insulation of walls is required.
High Efficiency Grain Chiller for Silo

High Efficiency Grain Chiller for Silo
High Efficiency Grain Chiller for Silo

Chiller for Grain Storage.
Nominal condition cooling capcity(kw) 6.75 38.2 42.9 77
Nominal condition heating capcity(kw) 9.7 51.2 59 103
Nominal conditions air volume(m3/h) 700 3500 5000 7000
Nominal condition unit power air volume(m3/hkw) 230 240 250 480
Nominal condition refrigeration COP 2.03 2.61 2.2 2.6
Nominal conditions dehumidification amount(kg/h) 7 41 50 85
Nominal conditions cereal processing capacity
(rice intial temperature of 25 degrees)T/d
200 1000 1800 2000
Maximum cereal processing capacity
(rice intial temperature of 25 degrees)T/d
300 1600 2400 3200
Maximum air colume(m3/h) Top grad 900 4500 6000 9000
Mid-range 700 3500 5000 7500
Hypothermia 600 3000 4500 6000
compressor cooling capacity(-2 degrees/52 degrees) 6.75 38.2 42.9 77
Working fluid filling volume (R22 kg) 1.5 9.5 12 20
Input power 3N/380V/50HZ 3N/380V/50HZ 3N/380V/50HZ 3N/380V/50HZ
Working power Compressor 2.94 13 16.94 25
Blower 0.18 0.55 1.2 2.2
Condencer fan 0.19 0.52x2 0.7x2 0.7x3
General power 3.31 14.6 19.54 29.3
Working current(A) 7 28 32 56
Wind pipe diameter(mm) 230 450 450 600-450
Machine unit dimension(mm) Length 910 1740 2040 2500
width 660 1100 1450 1500
height 1260 1810 1810 1900
Machine net weight(KG) 150 500 550 750
Remark Nominal conditions:inlet air 30 degrees,RH 81%,outlet air:12 degrees,RH75%

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