China Air Cooler for Quick Freezing Machinery Suitable for Small and Large Cold Storage

Product Description

Air Cooler for Quick Freezing Machinery Suitable for small and large cold storage

Characteristics and configuration of air cooler:

1.Fan: Adopting high quality motor,reasonable gap with the wind vane,guide ring and hyperbolic designed ducting,achieve maxxium efficiency of fan

2.Copper Pipe: Efficient use of multilie tooth inner thresd pipe,Rate of more than 99.9%,increaseing of the innertube surface area and improving the efficiency of heat transfer.

3.Pipeline Design: Heat exchanger is adopted directly back to the oil and counter current,to avoid accumulation of oil and make full use of heat exchanger area ,improving the heat transfer efficiency and ensuring the superheat temperature of heat exchanger.

4.Casing: Using 3003 aluminum alloy shell or DC51-D+180g, spraying paint for outdoor, and after high temperature curing, the material has high strength, and strong corrosion resistance, standard color is RAL9571.

Parameter
 Fin Spacing 6mm, Room Temp≥-25ºC 

  • Floor type water cooled evaporator

1. MOQ:1PCS 
2.Payment:30% TT in advance .70% against the B/L copy
3. Port of loading: HangZhou port
4:Delivery time:25 working days

SDL SDD SDJ  series for your choice
SDL: 
High temperature 0 ºC
SDD : Medium temperature for about -18°C cold storage;
SDJ : Low temperature for -35°C frozen storage;

Application fields: Biology, industry, military, food, florist, farming, medicine, logistics, hospitality, and food processing.

Characteristics and configuration of air cooler:

The main technicaI parameters of DL type coId air bIower for water

The main technicaI parameters of DL type coId air bIower for water
Model Rated capacity
 t=0°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDL-8.2/40 8200 40 5.8 400 2*3400 2*180 380 0.4 60/2″ 89/3″
SDL-12.3/60 12300 60 7.6 400 2*3400 2*180 380 0.6 60/2″ 89/3″
SDL-16.4/80 16400 80 10.1 500 2*6000 2*414 380 0.75 60/2″ 89/3″
SDL-21.5/105 21500 105 13.5 500 2*6000 2*414 380 0.85 60/2″ 89/3″
SDL-28/125 28000 125 17.3 500 3*6000 3*414 380 1.1 60/2″ 89/3″
SDL-32.8/160 32800 160 19.6 500 3*6000 3*414 380 1.25 60/2″ 89/3″
SDL-37.9/185 37900 185 22.7 500 4*6000 4*414 380 1.4 60/2″ 114/4″
SDL-42.9/210 42900 210 25.8 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDL-53.3/260 53300 280 32.2 500 4*6000 4*414 380 2 2*60/2″ 114/4″
SDL-69.4/340 69400 340 41.9 550 4*8000 4*600 380 2 2*60/2″ 114/4″
SDL-83.6/410 83600 400 51.6 600 4*10000 4*780 380 2.3 2*60/2″ 114/4″
                     
The main technicaI parameters of DD type coId air bIower for water
Model Rated capacity
 t= -18°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDD-5.3/30 5300 30 5.8 400 2*3400 2*180 380 0.5 60/2″ 89/3″
SDD-7.0/40 7000 40 7.6 400 2*3400 2*180 380 0.65 60/2″ 89/3″
SDD-11.2/60 11200 60 10.1 500 2*6000 2*414 380 0.9 60/2″ 89/3″
SDD-14.9/80 14900 80 13.5 500 2*6000 2*414 380 1 60/2″ 89/3″
SDD-18.7/100 18700 100 17.3 500 3*6000 3*414 380 1.3 60/2″ 89/3″
SDD-22.3/120 22300 120 19.6 500 3*6000 3*414 380 1.5 60/2″ 89/3″
SDD-26.2/140 26200 140 22.7 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDD-29.8/160 29800 160 25.8 500 4*6000 4*414 380 2.1 60/2″ 114/4″
SDD-37.2/200 37200 210 32.2 500 4*6000 4*414 380 2.3 2*60/2″ 114/4″
SDD-48.4/255 48400 255 41.9 550 4*8000 4*600 380 2.3 2*60/2″ 114/4″
SDD-57.9/310 57900 300 51.6 600 4*10000 4*780 380 2.7 2*60/2″ 114/4″
                     
The main technicaI parameters of DJ type coId air bIower for water
Model Rated capacity
 t= -18°C            △t=to=7°C       W 
ExternaI   surface   (m²) Tube     capacity   (dm³) Fan motor Defrosting water
diameter     (Φ-mm) Air        voIume     (m³/h) Motor     power       (w) VoIt           (V) TotaI     voIume   (about) Water      inIet pipe          (G) Water   ontIet       pipe            Φ(G)
SDJ-8.2/40 8200 40 5.8 400 2*3400 2*180 380 0.5 60/2″ 89/3″
SDJ-12.3/60 12300 60 7.6 400 2*3400 2*180 380 0.65 60/2″ 89/3″
SDJ-16.4/80 16400 80 10.1 500 2*6000 2*414 380 0.9 60/2″ 89/3″
SDJ-21.5/105 21500 105 13.5 500 2*6000 2*414 380 1 60/2″ 89/3″
SDJ-28/125 28000 125 17.3 500 3*6000 3*414 380 1.3 60/2″ 89/3″
SDJ-32.8/160 32800 160 19.6 500 3*6000 3*414 380 1.5 60/2″ 89/3″
SDJ-37.9/185 37900 185 22.7 500 4*6000 4*414 380 1.65 60/2″ 114/4″
SDJ-42.9/210 42900 210 25.8 500 4*6000 4*414 380 2.1 60/2″ 114/4″
SDJ-53.3/260 53300 280 32.2 500 4*6000 4*414 380 2.3 2*60/2″ 114/4″
SDJ-69.4/340 69400 340 41.9 550 4*8000 4*600 380 2.3 2*60/2″ 114/4″
SDJ-83.6/410 83600 400 51.6 600 4*10000 4*780 380 2.7 2*60/2″ 114/4″

Features:
High efficiency staggered fin pattern design
Optimized sine waved fin for high performance
Internal grooved tube for higher heat exchanger efficiency
Optimized circuiting for better evaporation
Optimized air flow to reach max. Capacity
Robust,state-of-the-art sheet metal design
Casing with white coating for corrosion protection
Dual drip tray design to avoid water condensation
Fin spacing optional for specific application
Dual fin spacing design is available for min. Frost
Tailor made unit cooler is available for special application
Specific fan motor for low temp. application, higher air flow, higher air throw
Optional defrost available (Electric, water & hot gas defrost)
Imported brand e-heaters applied for defrost
Distributor support design to avoid unexpected vibration
Special “Floating Tube” design for large unit cooler
SS or Al casing is available for certain models
Air jet for longer air throw is available for certain models
Available for CO2-DX unit cooler up to 40 bar
Provide customized brine air cooler
Technical Data

Parameter
1. High quality galvanized steel cabinet provides a heavy duty, durable structure
2. High efficient and totally enclosed fan motors with long reliable operation
3. Axial fan, permanently lubricated ball bearing fan motor, low noise, long work life.
4. Available in air, electric and hot gas defrost configurations
Electric defrost heaters are inserted into coil slab to provide efficient electric defrost. Heater elements are stainless steel sheathed and are self-centering, overloading thermal protection.

Product features:
1:RFJ air cooler sheet metal pasrt series all use hydraulic or hydraulic punch one-time punched,good appearance,strength structure.
2:Sheet metal parts are crimped aluminum,spay plate,stainless steel plate can be choosed.
3:Use strong insulating U tubular heater pipe,short defrosting time,high efficiency,also can according customer’s request to choose the water defrosting or hot freon defrosting.
4:Coil pipe use the thickness cooper tube,improve the service life,aluminum fin use hign efficiency aluminum sheet,through the pipe expansion and impinges on the cooper tube,the effect of heat transfer increase to the top.
5:Using hign efficiency fan,big air volume,far range,low noise,low power consumption,long service life,hign reliability.
6:Product all through the holding pressure filling nitrogen before product leave the factory

RFJ cold storage is widely used in food, supermarkets, hotels, aquatic products, pharmaceutical, biological, chemical, industrial and mining enterprises and other industries.It can be customized according to customer requirements and library features, the constant pursuit of excellence, has the ability to meet the special requirements of customers, to win customer satisfaction. In the past 2 years, the brand awareness has improved rapidly, the products exported to spread all over the world, and best-selling overseas.

Application:
1, textile, machinery, ceramics, fine chemicals, metallurgy, glass, metal, leather and other manufacturing industries;
2, electroplating, electronics, footwear, printing, plastics, clothing, printing, packaging, food processing industry;
3, hospitals, waiting rooms, schools, waiting rooms, supermarkets, laundry room;
Cooler instance, click to enlarge
1, kitchen, vegetable market, a large entertainment center, underground parking, railway stations and other public places; greenhouse, flowers, poultry, CZPT and other types of farms;
2, the existing air conditioning and blower equipment modification and installation.
3, the requirements of high humidity places (such as textiles, planting, etc.), can be part of the interior installation design.
4, the requirements of low humidity, low humidity and high cleanliness of the place, please carefully consider the suitability of use.

 

How to Choose the Right Air Compressor

An air compressor uses pressurized air to power a variety of tools. They are most commonly used to power nailers and impact wrenches. Other popular uses for air compressors include paint sprayers and impact wrenches. While all air compressors have the same basic construction, their specialty differs. Ultimately, their differences come down to the amount of air they can push. Read on for information on each type of air compressor. These tools are great for many different purposes, and choosing the right air compressor depends on your specific needs.
air-compressor

Electric motor

While purchasing an electric motor for air compressor, compatibility is a key factor. Not all motors work with the same type of air compressor, so it’s important to check the manufacturer’s instructions before purchasing. By doing this, you can avoid wasting money on an incompatible motor. Another important consideration is speed. A motor’s speed is its rate of rotation, measured in revolutions per minute. It is critical that you purchase a motor with sufficient speed to meet the needs of your air compressor.
Typically, an electric motor for air compressor is 1.5 hp. It is ideal for use with medical equipment and metal-cutting machines. It also performs well under continuous operation and offers a high efficiency and energy-saving performance. Moreover, it features an attractive price, making it a good choice for a wide range of applications. If you are looking for a motor for an air compressor, look no further than a ZYS series.
A motor’s protection class indicates how the motor will operate. Protection classes are specified by the IEC 60034-5. These are stated with 2 digits and represent the protection against solid objects and water. For example, an IP23 rating means that the motor will be protected from solid objects, while IP54 means that it will protect from dust and water sprayed from all directions. It is vital to choose a motor with the correct protection class for your air compressor.
When choosing an electric motor, you should consider whether it’s compatible with the brand of air compressor. Some may be compatible, while others may require advanced electronics skills to repair. However, most air compressors are covered by warranty, so it’s important to check with the manufacturer if the warranty is still in effect before you spend a dime on a replacement. The motor should be replaced if it has failed to perform as designed.
air-compressor

Oil bath

Air compressors require proper lubrication to function efficiently. The piston must draw air with minimal friction. Depending on their design, air compressors can either be oil-lubricated or oil-free. The former uses oil to reduce piston friction, while the latter splashes it on the cylinder bearings and walls. Such air compressors are commonly known as oil-flooded air compressors. In order to keep their oil baths clean, they are recommended for use in locations with high dust levels.

Start/stop control

An air compressor can be controlled by a start/stop control. This type of control sends a signal to the main motor that activates the compressor when the demand for air falls below a preset limit. This control strategy is effective for smaller air compressors and can be useful for reducing energy costs. Start/stop control is most effective in applications where air pressure does not change frequently and where the compressor is not required to run continuously.
To troubleshoot this problem, you need to check the power supply of your compressor. To check the supply side, use a voltage monitor to determine if power is flowing to the compressor. Ensure that the power supply to the compressor is steady and stable at all times. If it fluctuates, the compressor may not start or stop as expected. If you cannot find the problem with the air compressor power supply, it may be time to replace it.
In addition to the start/stop control, you may want to purchase additional air receivers for your air compressor. These can increase the capacity of air stored and reduce the number of times it starts and stops. Another way to decrease the number of starts per hour is to add more air receivers. Then, you can adjust the control to match your requirements. You can also install a pressure gauge that monitors the compressor’s performance.
Start/stop control for air compressors can be complex, but the basic components are relatively easy to understand. One way to test them is to turn the compressor on or off. It is usually located on the exterior of the motor. If you’re unsure of the location of these components, check the capacitors and make sure that the air compressor is not running while you’re not using it. If it does, try to remove the capacitor.
Variable displacement control is another way to adjust the amount of air flowing into the compressor. By controlling the amount of air, the control can delay the use of additional compressors until more required air is available. In addition to this, the device can also monitor the energy used in the compressor. This control method can result in substantial energy savings. You can even save on the amount of electricity by using variable displacement control. It is essential for efficient compressed air systems.
air-compressor

Variable speed drive

A VFD, or variable frequency drive, is a type of electric motor that adjusts its speed to match the demand for air. It is an efficient way to reduce energy costs and improve system reliability. In fact, studies have shown that a 20% reduction in motor speed can save up to 50% of energy. In addition, a VFD can monitor additional variables such as compressor oil pressure and motor temperature. By eliminating manual checks, a VFD will improve the performance of the application and reduce operating costs.
In addition to reducing energy costs, variable-speed drives also increase productivity. A variable-speed air compressor reduces the risk of system leaks by 30 percent. It also reduces the risk of system leaks by reducing pressure in the system. Because of these advantages, many governments are promoting this technology in their industries. Many even offer incentives to help companies upgrade to variable-speed drives. Therefore, the variable-speed drive can benefit many air compressor installations.
One major benefit of a variable-speed drive is its ability to optimize energy use. Variable frequency drives are able to ramp up and down to match the demand for air. The goal is to optimize the pressure and flow in the system so that the best “dead band” occurs between 40 percent and 80 percent of full load. A variable-speed compressor will also increase energy efficiency because of its programmability.
A variable-speed air compressor can also be used to control the amount of air that is compressed by the system. This feature adjusts the frequency of power supplied to the motor based on the demand. If the demand for air is low, the frequency of the motor will reduce to save energy. On the other hand, if there is an excess demand for air, the variable-speed compressor will increase its speed. In addition, this type of air compressor is more efficient than its fixed-speed counterpart.
A VFD has many benefits for compressed air systems. First, it helps stabilize the pressure in the pipe network, thereby reducing the power losses due to upstream pressure. It also helps reduce the power consumption caused by fluctuations in upward pressure. Its benefits are also far-reaching. And as long as the air pressure and air supply is properly sized, a VFD will help optimize the efficiency of compressed air systems.

China Air Cooler for Quick Freezing Machinery Suitable for Small and Large Cold Storage  China Air Cooler for Quick Freezing Machinery Suitable for Small and Large Cold Storage

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