显示标签为“PU sandwich panel”的博文。显示所有博文
显示标签为“PU sandwich panel”的博文。显示所有博文

2018年10月26日星期五

Walk in Chiller Rooms for Green Bean in USA

Walk in Chiller Rooms for Green Bean in USA

Walk in Chiller Rooms is extensively used in food factory, restaurant, supermarket, KFC, etc. The main function of walk in chiller rooms is to keep the food frozen and fresh for a long time.

Walk in chiller rooms includes PU sandwich panel, cold room door, condensing unit and evaporator. Walk in chiller used for green bean or other kinds of food can keep goods fresh for months.

If you have a plan to store plenty of green bean, professional engineer give you a suggestion, walk in chiller room is the best choice for you. Not only it is more effectively, but also can save your cost. And it can be customized according to your requirements. Temperature can normally keep in -18℃ to -25 ℃. Green bean will be store in the walk in chiller rooms which have low temperature to prevent deterioration or germination.




Features of walk in chiller rooms for green bean

1. The Walk in chiller rooms is built with polyurethane sandwich panels which is easy to mount and to disassemble or enlarge if necessary.

2. The panels are joined by means of cam-lock. Easy for connection, save the installation service charge fees.

3. The external and inner panel cover is of galvanized steel sheet. The heat insulation is of rigid foam polyurethane.Higher support strength and better stability.
4. The floor panels are reinforced and they withstand distributed load up to 2000 kg / SQ Meters.
5. The cold room is equipped with anti – explosion lamps. Freon R404A is used as refrigerants. More safety and more environment friendly.
6. The prefabricated walk in chiller room are intended for cooling and storage of perishable products-cooled or froze.
7. The walk in chiller rooms should be installed in a sheltered place away from direct sunshine, dust and rain. In order to protect it well, will have long service life.
8. Depending on the cooling temperature maintained, the walk in chiller rooms can be:
– for medium temperatures from + 15℃ to -5℃.
– for low temperatures from -15℃ to -60℃.
9. According to the conditions of work the walk in chiller room are available from +5℃ up to + 45℃ ambient air temperature.

Successful case of walk in chiller rooms for green bean in USA
No. Item Specifications
1 Dimension 18.3×5.5×4.8m
2 Usage Store green bean
3 Temperature -20℃
4 Panel 150mm thickness PU sandwich panel
5 Door 150mm thickness sliding door with electric heater
6 Compressor Original Bitzer brand (2 sets)
7 Evaporator DD250 (2 sets)
8 Voltage 220v/60hz/3phase




Customer received our goods and very satisfied with our product. During the long distance shipment, the goods are protected very well. After the walk in chiller rooms were running a few month, that customer send us very favorable feedback and plan to build a new project next year. Then we build a long terms business cooperation relationship.







Main parts of Walk in chiller rooms for bean in USA

1. 150mm thickness sandwich panels of walk in chiller room
Low thermal conductivity, good insulation, good stability, long lifetime
Good insulation, high compressive ability
Built-in cam- lock, good insulation performance, easy to install. Reducing installation costs
Cam- lock connection between wall and roof panels, the whole frame. High stability
Thickness is enough, good insulation for low temperature
426mm thickness color steel anti- corrosion and have enough support intensity







2. 150mm thickness sliding door with electric heater for walk in chiller rooms
High security. Sliding doors are equipped with escape device system
According to customer’s requirement, customized sliding door as 1.5x2m
Polyurethane material, so the insulation effect is better. with poor thermal conductivity, long service time
Anti- corrosion, beautiful, low cost. Comply with food safety standards.
Customized size, it is convenient for customers to use forklift, loading and unloading







3. Condensing unit with original Bitzer brand compressor
Original new compressor (machine code can query). Have quality assurance
Bitzer brand compressor is suitedfor low temperature freezing, and compared to other brand compressor, the same power large amount of cold, fast cooling
High quality, large cooling capacity, stable performance
Open type condensing unit, moderate cost, easy to maintain
Customized voltage to meet different countries requirements







4. DD250 low temperature unit cooler of walk in chiller room
Blue fins/Hydrophilic aluminum foil, there are Anti-corrosion material in its surface. Good anti-corrosion performance
Better Anti- corrosion performance, more suitable for evaporator using environment
CE quality certification. Have quality assurance
The cooling effect is related to the total length of the copper pipe, and the sufficient number of pipes can ensure enough cooling capacity
Customized voltage, suitable for different countries electrical requirements
Galvanized sheet spray process, good corrosion resistance
Hydrophilic aluminum foil, high heat transfer efficiency, good defrost effect
100% heat transfer area, fully reliable







OnlyKem Technology Co., Ltd is the leading cold room and refrigeration unit designer, manufacturer and exporter dedicated in supplying finest quality cold room solutions and cold room installation to worldwide customers, we have experienced cold room installation team, choose OnlyKem, there is no worry about cold room installation. Welcome for your cold room requests, looking forward to cooperate with you in near future!

2018年7月22日星期日

Commercial Freezer Room

Commercial Freezer Room is very the efficient storage facility for frozen products such as frozen meat, frozen seafood, etc. Foods can be kept for a long time with the help of commercial freezer room, it is very helpful for fresh food business development. Some customers want to cool down the temperature of commercial freezer room quickly within a regular time. But it needs time, let me list some reasons for that.




1. PU sandwich panels of commercial freezer room don’t work well

Firstly the thickness of PU sandwich panel for the commercial freezer room is not thin enough, so the insulation effect is poor. Secondly the density of PU sandwich panel is not enough. If frost occurs in the seal of commercial freezer room door, it means that seal is not tight. In addition, frequent switching of commercial freezer room doors or more people come into and go out from the commercial freezer room will also increase the cooling consumption, so let’s try to avoid opening the door frequently. If large quantity products are loaded into the commercial freezer room, the thermal load increases sharply. The commercial freezer room needs to take a long time to cool down to the specified temperature.




2. The frost of the evaporator is serious, or dusty is excessive, the heat transfer effect will reduce.

Because the evaporator temperature of commercial freezer room is lower than 0℃, and the humidity of commercial freezer room is high, the moisture in the air is easily frosted on the surface of the evaporator, which affects the heat transfer effect . To prevent more thicker frost on the fin surface of evaporator, we need to set defrost time periodically.

3.There is much air or frozen oil in the evaporator, the heat transfer effect will reduce.

Once inner surface of the evaporator heat transfer tube is attached with much frozen oil, the heat transfer coefficient will be reduced. Similarly, if there is much air in the heat transfer tube, heat exchange area and heat transfer is reduced, so commercial freezer room temperature will cool down slowly. Therefore, in daily operation and maintenance, we should remove the oil and exhaust the air in the evaporator in time to improve the heat transfer efficiency of the evaporator.




4. The throttle valve is improperly adjusted or blocked, the refrigerant flowing rate is too large or too small.

If the opening degree of the throttle valve is too large, flowing rate of the refrigerant will be too large, the evaporation pressure and evaporation temperature will increase, so commercial freezer room temperature will cool down slowly; Meanwhile, if the throttle valve opening degree is too small or blocked, flowing rate of the refrigerant will be reduced, the cooling capacity will be reduced, so commercial freezer room temperature will cool down slowly. Generally, we could judge whether the flowing rate of the throttle valve refrigerant is appropriate by observing the evaporation pressure, the evaporation temperature, and the frosting condition of the suction pipe. Blockage of the throttle valve is an important factor affecting the flowing rate of the refrigerant. The main reasons for the blockage of the throttle valve are ice blockage and dirty blockage. Ice blockage is due to the poor drying effect of the dry filter, refrigerant contains moisture, when it flows through the throttle valve, it drops negative temperature, the moisture in the refrigerant becomes to be ice and blocks the throttle hole; Dirty blockage is due to the accumulation of more dirt on the filter inlet of the throttle valve, so the refrigerant flows poorly, it caused dirty blockage.

5. Refrigerant is not enough in the system, cooling capacity is poor.

There are two main reasons for the insufficient refrigerant circulation. Firstly, the refrigerant charge is not enough, in this case, we just fill in sufficient refrigerant in system. Secondly, the refrigerant leaks seriously in the system, in case of this situation, we need to find the leakage point and seal it soon.

6. Low efficiency of compressor, the cooling capacity can’t meet the commercial freezer room load requirements

Due to the long-term operation of the compressor, the components such as the cylinder liner and the piston ring are severely worn, the gap is increased, the sealing performance is reduced accordingly, the gas transmission coefficient of the compressor is also reduced, so the cooling capacity is reduced. When the cooling capacity is less than the heat load of cool room, temperature will cool down slowly. We could observe the suction and exhaust pressure of the compressor to judge refrigeration capacity of the compressor. If the refrigeration capacity of the compressor drops down, the common method is that replacing the cylinder liner and piston ring of the compressor, If it can’t be effective after replacement, we need to disassemble and repair it.





Onlykem is not only provide best quality cold room and refrigeration unit products and solutions but also installation and service for secure and reliable lifetime operation. Welcome contact us for detailed information and suggestions.

2018年2月6日星期二

Cold Room Panel for Sale in USA

Cold Room Panel for Sale is made of PU foam, also called PU sandwich panel, PUR Panel in which polyurethane foam is been sandwiched between the two outer galvanized steel covers. CFC-free insulated PU panel is commonly specification we supplied. B2 level fireproof can make sure the project during building and operation far away from fire accident.
Cold Room Panel for Sale in USA
Cold Room Panel for Sale in USA
https://goo.gl/5LUADJ
Our cold room panel project in USA, it is for a vegetable process factory, there is process workshop, preparation area and cold room.
Cold Room Dimension:                 12m*8m*4muse for vegetable after processing.
Process workshop Dimension:      8mx5mx3m. for vegetable processing.
Cold Room Inside Temperature:   0℃.
Precool area temperature:            +15℃
Process workshop temperature:   +12℃
Density                                          40+-2kg/m3
Blowing Agent                              Cyclo-Pentane
Thermal Conductivity                   0.018k Cal/mh℃
Effective Width Standard             960mm
Edd Connection                           Tongue and groove / plain
Skin:                                              Plain or Corrugated type Polyester Resin Coated                                                            G.L.(Galvalume) and G.I. (Galvanized Iron)
The vegetable Our customer collect from farm, +35 ℃, Same temperature with ambient temperature.
Need to put them into precool area to cool to +15℃ first, and then do necessary process and packed, transfer to cold room for long time store.