This project was tailored to meet the needs of offshore drilling platforms, providing comfortable air conditioning to the personnel working on them. Our anti-corrosion air-cooled chiller was recommended as the most suitable solution to counter the corrosive environment of the ocean as it contains copper fin, copper tube and a special coating that proved successful in a salt fog test that lasted 3000 hours. This design is guaranteed to extend the life span of the chiller, while consistently providing sufficient cooling air to the workshop on the drilling platform.
- This explosive proof system boasts reliable performance and energy efficiency, offering users a high coefficient of performance (COP).
- The unit is constructed to be space-saving and user friendly for easy maintenance and handling on-site.
- This unit utilizes an evaporative condenser, allowing for cost effective operation and efficient utilization of space, with minimal upfront investment.
- Siemens PLC is renowned for its intuitive, reliable control and minimal maintenance needs; an ideal choice for any business looking to reduce system downtime.
- Heat recovery chillers are the perfect choice for conserving energy and saving money - all the while keeping your environment comfortable. With a heat recovery function, these chillers are able to take waste heat from the refrigeration process and convert it into free hot water.
- Using recovery hot water allows you to maintain a consistent temperature and humidity, drastically reducing the amount of energy needed to reheat.
- Choose the flooded chiller for maximum energy efficiency and high performance with a coefficient of performance (COP) up to an impressive 5.8.
- Protect our planet's future and adopt the environmentally friendly R134a refrigerant in order to align with US green standards.
- Energy efficiency testing can now be done online, allowing for real-time monitoring of power usage.
- A centralized cooling system for ease of use and management.
- A high level of automation helps to reduce operator expenses, resulting in significant cost savings.
The H.Stars air-cooled screw type low-temperature chiller has been a vital part of the 22nd Winter Olympics in Sochi, Russia. Being an indelible feature of ice events, four 480kW units of the H.Stars chiller were supplied to guarantee the smooth running of the games. The reliable performance of the chiller has not only gained the trust of the organizers but has become the choice for many ice-skating rinks in Russia, Ukraine, the United States and other countries.
The size of the ice rink load varies according to the placement and structure of the rink, as well as the size and duration of the season. By analyzing a refrigeration load per unit area of a Northern China ice skating rink, we can note that an interior rink requires 163 to 233 w/m2, while an outdoor rink needs 488 to 512 w/m2.
- Choose a screw compressor with an optimized 5:6 screw rotor design for outstanding energy efficiency.
- Evaporator utilizes independent research and development to ensure highest quality and safety of their creations. All production of these products are in tight adherence to national guidelines to guarantee reliability and safety.
- Our fin condenser is designed to optimize heat transfer while minimizing fan energy use and lowering the refrigerant pressure drop in the coil.
- The axial flow fan is an energy-efficient choice designed with a motor featuring waterproof and dust-proof capabilities of level IP54.
- Our mobile unit is designed with a customized frame structure, making it easy for customers to lift and transport.
- Integrated designs: Customers are relieved of the stress of having to assemble insulation water tanks, ice pumps, and valve pipelines as these components are manufactured in the factory. All that remains is for them to connect the pipelines when the products are delivered on-site.
- The Siemens PLC Human-Machine Interface empowers operation of the unit.
- Enjoy the convenience of a refrigeration unit with integrated heat recovery function! Get both cooling and hot water without needing multiple systems.
- Our chiller boasts an optional cloud service and a global version that make it an ideal choice around the world.
- The temperature range of the chiller’s water outlet is between -20°C and -10°C.
This project is tailored to the needs of a food processing plant in Southeast Asia, with the goal of providing up to 75℃ hot water during the food processing procedure. Following the customer's specifications, we recommend utilizing R1234ze refrigerant to obtain the desired temperature of max. 75℃.
- Utilizing refrigerant R1234ZE, an environmentally friendly option with a super low Global Warming Potential (GWP).
- This semi-hermetic screw type compressor features advanced engineering and construction that allows it to withstand high temperatures.
- Maximum water outlet temperature of 75 °C.
- The inlet temperature range of evaporator water is between 27°C and 45°C.
- Varying levels of performance are available for hot water generation—from 0%, 50%, 75%, to a full 100%. This allows for flexibility in meeting demand during peak and non-peak periods.
- Several safeguards built into the system to keep the unit secure.
- The heat pump adopts a refrigeration sight-glass, providing an ideal solution for inspecting and confirming the refrigeration state.
- This control cabinet is custom-built to adapt to every aspect and need.
- The control of pumps, valves, fans, and more is enabled through the utilization of a programmable logic controller (PLC). This integration helps to streamline processes and improve the efficiency of operations.
- Electromagnetic expansion valves provide the precision and dependability needed to ensure proper injection of refrigerants into the evaporator.
- PLC controllers make monitoring running parameters easy with their digital technology.
- Graphic touch screen
- In the event of system malfunctions, users will be provided with concise and easily understandable error messages indicating the source of the issue.
- A graphic illustration of a refrigeration circuit and its components is a useful tool.
- Refrigerator thermometers provide insight into the internal temperature.
- Operation poin
- Application limits
- Our machine allows for a streamlined integration between an external energy monitoring panel or Building Management System (BMS) with the highest level of compatibility.
In this project, we upgraded the customer’s plastic wrap production line with an automated temperature control system.
Specification of the chiller in this project- We offered a design with 3 sets of 300kW air cooled chillers. Our all-in-one units come equipped with water pumps and tanks to reduce labor costs significantly onsite.
- Chillers feature a 304 stainless steel frame, making it incredibly durable in even the most challenging climates. With proper care, the unit can last more than 15 years in humid and rainy environments.
- Chiller employs flood type evaporator, boasting a 30% improved heat transfer effect in comparison to conventional units.
- The chiller's heat exchange tube is constructed from 316 stainless steel, capable of preventing corrosion from sea water and guaranteeing the chilled water is safe for contact with food-grade plastic wrap. This also decreases overall maintenance costs.
- The variable-frequency control of the compressor and condensing fans enable the chiller to flexibly adapt to the refrigerating capacity demand along the production line. This leads to a yearly electricity savings of up to 30%.
In this project, we designed a two-stage heat pump thermostat system for the cultivation of Vannamei Shrimp in a greenhouse. With a total of four spacious breeding ponds, each covering an area of 1200㎡, the system will ensure optimal conditions for the shrimp to thrive.Ensuring that the temperature needs of shrimp ponds are met, while also providing safety, reliability, low energy consumption, no pollution, and intelligent design.
This project is for one of the Forest Products Technology Co., Ltd. It includes 9500 t/yr of turpentine deep processing, and 6500 t/yr of rosin deep processing products (Phase I). Primarily, it focuses on condensing and recovering organic solvents within the VOC tail gas.
Project requirementsThis process requires a water flow of 50 m³/h, with a supply and return water temperature of 12 ℃ and 17 ℃ respectively, with a water supply pressure of 0.4 MPa.
Proposal designThis project features a 40STD-370WSI4 unit with a unique dual-cycle design, coupled with a 15m³ capacity water tank for intermediate buffering. The process water supply pump is controlled using a constant pressure frequency conversion mechanism, while the screw chiller is automatically loaded or unloaded following the temperature control of the intermediate buffer tank.
This auto-parts factory in Thailand needed a project to quickly dry painting and also provide air conditioning to their production line workshop. After considering their specific requirements, H.Stars new dual source heat pump unit was proposed. This two-in-one unit is adaptable to any environment, being able to bring the temperature down to 7℃ or heat up to 85℃, which is ideal for their painting drying needs. In addition, this dual source system can easily switch between water-sourced and air-source running modes, automatically adjusting according to the current conditions. When running in water-source mode, the chill outflow from the evaporator flows into an AHU, providing a comfortable climate for their production line environment.
- Project Location: Indonesia
- Project Type: cooling system
- Equipment Selected: water-cooled chiller using R134a refrigerant
An Indonesian textile factory approached the H.Stars Group for a cooling system project, requiring two high-efficiency, energy-saving, and environmentally-friendly water chillers. The H.Stars Group R&D team designed a high-efficiency, flooded-type water-cooled chiller using R134a refrigerant, achieving a COP of up to 5.6, which significantly enhances energy savings.
- Project Location: Philippines
- Project Type: hot water system
- Selected Equipment: screw type water source heat pump
- Six Screw-Type Water Source Heat Pumps: Each unit has a heating capacity of 553 kW and a cooling capacity of 377 kW, all equipped with advanced PLC control systems for optimal performance management.
- Custom-made Evaporators: Designed and manufactured in-house, our evaporators adhere strictly to national standards, ensuring top-tier product safety and reliability.
- Electrical Specifications: The system is designed for a power supply of 400V, 3-phase, 60Hz, ensuring robust and efficient operation.
- Chilled Water Temperature Control: The system features an inlet temperature of 12°C and an outlet temperature of 9°C, ideal for precise thermal management.
- Adjustable Chilled Water Output: H.Stars' technology allows for the adjustment of chilled water output temperatures from 5°C to 20°C, catering to diverse cooling needs.
- Hot Water Temperature Management: The hot water system operates with inlet and outlet temperatures of 62°C and 70°C, respectively, with a flexible temperature range of 50°C to 85°C to accommodate various applications.
- Project Location: Indonesia
- Project Type: cooling, refrigeration, hot water
- Selected Equipment: screw chiller units, heat recovery chiller units
An Indonesian power company engaged H.Stars to equip its facilities with screw chiller and heat recovery chiller units. This setup is designed to provide consistent equipment cooling throughout the year, while also harnessing waste heat to produce hot water. The system is noted for its low initial investment and exceptional energy efficiency.
- Project Location: shandong, China
- Project Type: air conditioning equipment for mines
This project is dedicated to an air conditioning installation for a gold mining operation managed by a Chinese company. The mine reaches a depth of 1,500 meters, where the estimated temperature around the rock face could rise to 43°C. The air conditioning system is required to maintain a temperature between 25°C and 28°C at the mining face.
Solutions- Triple-Stage Cooling: Operates under fresh air conditions with an air intake at 40°C and output at 14°C. The system can adjust air temperatures between 14°C to 40°C.
- Dual Air Outlets Design: Uses fresh air for ventilation during transitional seasons and winter, significantly reducing operational costs.
- Ease of Maintenance and Adjustment: Equipped with a 304# stainless steel rainproof air intake elbow, detachable 304# stainless steel insect screen, an aluminum manual air volume control valve, and a 1-inch cleanable multi-layer aluminum alloy filter.
- Precision Temperature Control: Utilizes a three-section coil system paired with a proportional-integral valve and a dedicated temperature controller.
- Superior Quality Coils: Features copper tubes paired with blue-wave aluminum fin cold water coils, complemented by a sloped stainless steel drain pan.
- High-End Components: Includes NICOTRA brand fans from Italy and Jiangsheng motors from Guangdong, with a negative pressure access door for easy maintenance.
- Robust Construction: The structure comprises color steel panels with a cabinet thickness of 50mm, ensuring durability and resistance to harsh environmental conditions.
- Project Location: Qingdao, China
- Project Type: industrial refrigeration
- Selected Equipment: enclosed industrial chiller
During the production process, especially in the plastic molding stage, the plastic factory requires the use of chiller units to cool the molds, ensuring the quality and efficiency of the plastic products. The chiller units effectively enhance the surface smoothness of plastic products, reduce markings and internal stress, and prevent shrinkage and deformation. Additionally, they accelerate the speed of product demolding and solidification.
- Project Location: Fujian, China
- Project Type: food refrigeration
- Selected Equipment: flood type screw chiller
The production and processing in the dairy industry require highly controlled temperature and humidity in the workshop. To ensure quality, a reliable cooling system is essential. Based on the actual production needs of the factory, we have provided a solution with flooded type screw chillers designed to meet these stringent conditions.
- Project Location: Weinan, China
- Project Type: food refrigeration
- Selected Equipment: screw-type industrial water chiller units
The project features high-efficiency imported semi-hermetic screw compressors that are reliable, highly efficient, and easy to maintain. The system offers precise capacity control, low vibration, and low noise. It is equipped with standard shell and tube heat exchangers using fast heat transfer corrugated tubes for excellent thermal conductivity and high-pressure resistance. Additionally, the system includes a high-efficiency external balance thermal expansion valve throttling device, ensuring stable, long-lasting, and efficient operation of the units.
- Project Location: Guangzhou, China
- Project Type: industrial refrigeration
- Selected Equipment: industrial chiller units
This project utilizes a centralized cooling approach to enhance automation and flexibility in cooling capacity management. It features high-efficiency industrial chiller units for the primary cooling source. Square cooling towers are chosen to reduce the water evaporation rate significantly. Additionally, the chiller units can be optionally fitted with H.Stars' patented heat recovery systems, offering energy savings and operational efficiency.
- Project Location: Fuyang, China
- Project Type: industrial refrigeration system
- Selected Equipment: centrifugal chiller units
The client, a pharmaceutical company, requires precise temperature and humidity control for both the production and storage of medications. The refrigeration solution implemented utilizes H.Stars centrifugal chiller units, which are 50% more energy-efficient than traditional models. These units also offer the advantages of being maintenance-free and having a lifespan of up to 30 years. This not only reduces the company's electricity costs but also eliminates the occurrence of failures in components such as oil circuits and oil pumps.
- Project Location: Xinjiang, China
- Project Type: central heating for large spaces
- Selected Equipment: low-temperature air source heat pump units
The Hami Train Station has a total floor area of 9,997.56 square meters, with a designated central heating area of 1,000 square meters. We provided a boiler renovation heating plan to provide high-temperature hot water heating ranging from 65°C to 80°C. By utilizing low-temperature air source heat pump units instead of natural gas boilers, the station is projected to save approximately 70,000 RMB annually.
