Concrete Pouring Cooling Chiller Unit
Unit Introduction
Concrete pouring is crucial during the construction process. The hydration reaction of cement releases heat, which can lead to excessively high temperatures. The standard pouring temperature for concrete is between 5°C and 25°C. Excessively high temperatures can cause cracking and other issues, affecting the strength and toughness of the concrete. Cooling measures are necessary, and the concrete cooling chiller unit is used to control the water temperature. Mixing concrete with water below 10°C can achieve the suitable temperature required for concrete pouring.
Unit Classification
1. By Cooling (Heat Dissipation) Method
A、Water-cooled: (Shell and Tube Type) The condenser is equipped with a cooling tower for heat dissipation.
B、Air-cooled: (Finned Type) The condenser dissipates heat through the unit's own fans.
2. By External Structure
A、Enclosed Type: Comes with an external casing, containing a water pump and water tank inside.
B、Open Type: No external casing; the evaporator and condenser are shell and tube type, with the compressor placed on top of the evaporator. No water pump is included, requiring an external water tank and circulation pump.
3. By Evaporator Structure: Closed Chiller: Refers to an evaporator of shell and tube type, which can have a built-in or external water pump. It may or may not have an external casing. The condenser type depends on whether it is air-cooled or water-cooled.
Product Advantages
1. Utilizes semi-hermetic screw compressors with high cooling capacity. The motor and compressor are integrated, eliminating concerns about oil leakage. It features safety, reliability, and economy. The company offers one year of free maintenance and lifetime support. With comprehensive after-sales service, it has earned high praise from a wide range of customers. Given that projects such as highways, high-speed railways, tunnels, hydropower, dams, bridges, and hydroelectric power stations often involve large-volume concrete construction, it is essential to prevent cracks in thick concrete structures. To enhance project quality by reducing the heat of hydration and pouring temperature of concrete, our company has designed a new generation of concrete cooling chiller units through engineering efforts. These units lower the discharge temperature of concrete, allowing it to be reduced to below 15°C. In summer, the ambient temperature of cement, gravel, and sand is high, and water temperature is also elevated, which is not conducive to mixing. Therefore, the concrete cooling chiller unit directly provides chilled water at 5-10°C, or an ice-water mixture at 0-2°C, fully meeting the requirements for process cooling sources in concrete cooling.
2. The concrete cooling chiller unit uses screw compressors as the main refrigeration component, combined with a fully automatic control system. It can automatically select single-stage or multi-stage cooling based on inlet and outlet water temperatures or seasonal operating modes (summer/winter). It features energy efficiency, time savings, stability, and environmental friendliness. To meet the actual production needs of a broad customer base as much as possible, we can design, produce, and supply units tailored to on-site construction requirements.
Unit Applications
Widely used in large-scale construction projects such as bridges, dams, water resources and hydropower bureaus, including high-speed railways, tunnels, hydropower, dams, hydroelectric power stations, and civil engineering concrete mixing and cooling. It controls the temperature required for modern industrial mechanized production, improving production efficiency and product quality.
Product Features
1.Temperature Control: -45°C to 30°C ±1, adjustable temperature
2.Cooling Capacity Range: 102500 Kcal/h to 654800 Kcal/h.
3.In addition to the general characteristics of water-cooled screw unit series, this series has the major advantage of not requiring a water cooling system. It can be used in any well-ventilated location.
4.Besides standard products, our company can customize various special chiller units and heat pump units according to customer requirements, providing on-site assembly, technical guidance, and commissioning services.
Technical ParametersAir-filled type chillers technical Parameters
Model Model | Cooling Capacity Refrigerating capacity | Compressor Compressor | Evaporator Evaporator | Condenser Condenser | Water Pump water pump | Dimensions Shape dimension | Net Weight Net weight |
kcal/h | kW | kW | hp | L | inch | m³/h | m³/h | kW | MPa | (mm) | (kg) |
JRA-40S | 103200 | 120 | 30 | 40 | / | 2.5 | 26 | 40000 | / | / | 2000×650×1600 | 1150 |
JRA-50S | 129000 | 150 | 37.5 | 50 | / | 3" | 30 | 50000 | / | / | 2000×650×1650 | 1230 |
JRA-60S | 154800 | 180 | 45 | 60 | / | 4" | 36 | 60000 | / | / | 2500×650×1650 | 1360 |
JRA-70S | 180600 | 210 | 52.5 | 70 | / | 4" | 42 | 70000 | / | / | 2550×650×1650 | 1410 |
JRA-80S | 206400 | 240 | 60 | 80 | / | 4" | 48 | 80000 | / | / | 2800×650×1800 | 1490 |
JRA-90S | 232200 | 270 | 67.5 | 90 | / | 4" | 56 | 90000 | / | / | 2800×650×1800 | 1580 |
JRA-100S | 258000 | 300 | 75 | 100 | / | 4" | 62 | 100000 | / | / | 3200×650×1800 | 1650 |
JRA-110S | 283800 | 330 | 82.5 | 110 | / | 4" | 68 | 110000 | / | / | 3300×800×1800 | 1720 |
JRA-120S | 309600 | 360 | 90 | 120 | / | 4" | 74 | 120000 | / | / | 3500×800×1800 | 1780 |
JRA-130S | 335400 | 390 | 97.5 | 130 | / | 4" | 80 | 130000 | / | / | 3500×800×1800 | <极>1860
JRA-140S | 361200 | 420 | 105 | 140 | / | 4.5" | 86 | 140000 | / | / | 3600×800×1900 | 1930 |
JRA-150S | 399900 | 456 | 112 | 150 | <极> / | 4.5" | 92 | 150000 | / | / | 3600×800×1800 | 2050 |
JRA-160S | 426560 | 496 | 120 | 160 | / | 4.5" | 106 | 160000 | / | / | 3900×1100×1600 | 2170 |
JRA-180S | 479880 | 558 | 135 | 180 | / | 4.5" | 112 | 180000 | / | / | 4100×1100×1600 | 2250 |
JRA-200S | 533200 | 620 | 150 | 200 | / | 4.5" | 118 | 200000 | / | / | 4100×1400×1600 | 2340 |