H.Stars (Guangzhou) Refrigerating Equipment Group Ltd.

  H.Stars Group’s   hydrogenation dedicated chiller is a high-efficiency, reliable industrial cooling device specifically designed to provide stable, low-temperature cooling water for hydrogenation processes. In modern chemical and petrochemical industries, hydrogenation is a crucial chemical reaction process, demanding rigorous cooling system requirements. H.Stars Group’s hydrogenation chillers, with their excellent performance and stable operation, have become the top choice for many enterprises. Core Advantages The core advantages of H.Stars Group’s  hydrogenation chiller  lie in its efficient cooling capacity and stable operational performance. Utilizing advanced refrigeration technology, the chiller can quickly lower the temperature of the cooling water to meet the low-temperature environment required for hydrogenation processes. Moreover, the chiller maintains a stable working state during operation, preventing adverse effects on the hydrogenation reaction due ...

  As technology advances, the cooling systems in shopping malls are constantly being updated. In recent years,   scroll air-cooled chillers   have gained significant attention due to their unique advantages. But is the adoption of scroll air-cooled chillers in shopping malls truly an energy-saving measure, or could it be a waste of resources? Scroll air-cooled chillers offer several benefits in the realm of commercial cooling, particularly for shopping malls. 1. High Efficiency and Energy Saving Scroll air-cooled chillers use scroll compression technology, which is known for its high efficiency and energy-saving characteristics. These chillers are over 20% more efficient than traditional chillers, enabling them to quickly and effectively reduce indoor temperatures and lower energy costs. 2. Easy Maintenance One of the significant advantages of scroll air-cooled chillers is their ease of maintenance. Since they do not require cooling water, there is no need for water repla...

  Maintenance of an  air-cooled chiller  is essential to ensure efficient operation, longevity, and to prevent unexpected breakdowns. The following are key maintenance tasks required for an air-cooled chiller: 1. Regular Cleaning of Condenser Coils Frequency: Monthly or as needed Task: Clean the condenser coils to remove dirt, debris, and buildup that can reduce heat transfer efficiency. Method: Use compressed air, a soft brush, or a commercial coil cleaner. 2. Checking Refrigerant Levels Frequency: Monthly Task: Ensure refrigerant levels are within the manufacturer's recommended range. Method: Use gauges and other diagnostic tools to measure refrigerant pressures. 3. Inspecting Electrical Components Frequency: Quarterly Task: Inspect electrical connections, contactors, and wiring for signs of wear, corrosion, or damage. Method: Tighten loose connections, replace damaged wires, and check for proper voltage and amperage. 4. Monitoring and Testing Controls Frequency: Monthl...

  Maintaining optimal temperatures in   HVAC chiller system   components is essential for their efficient operation. Abnormal temperature ranges can signal potential issues that need timely analysis and intervention. While precise temperature measurements might be challenging, manual estimation by touch often helps in detecting these anomalies. Here’s an in-depth look at ten critical temperature points for effective chiller maintenance. 1. Discharge Temperature Normal and Abnormal Conditions: • High Discharge Temperature: During summer, the compressor’s discharge temperature is high and untouchable. This may indicate high suction temperatures or excessive condensing temperatures. • Low Discharge Temperature: If the discharge pipe is not hot, it suggests very low suction temperatures or low refrigerant levels, potentially causing valve structure damage or insufficient motor winding cooling. 2. Compressor Shell Temperature Impacts and Causes: • Normal Temperature: The shell...

  Ensuring proper water quality and temperature settings is crucial in the operation and maintenance of HVAC chiller systems. This not only guarantees efficient system performance but also extends the equipment's lifespan and reduces operational costs. This article provides an in-depth look into the standards for water quality and temperature settings in chiller system maintenance. 1.Water Quality Standards 1. 1 Total Hardness • Limit: Total hardness should not exceed 300mg/L. • Definition: Total hardness primarily refers to the concentration of calcium ions (Ca²⁺) and magnesium ions (Mg²⁺) in water. • Impacts of Exceeding the Limit: • Pipe Narrowing: High hardness causes mineral deposits on pipe walls, forming scale, which reduces pipe diameter, increases water resistance, decreases chilled water flow, and impairs cooling efficiency. • Increased Energy Consumption: Scale increases water resistance, requiring the chilled water pump to work harder, thus increasing energy consumption...

  In the process of producing stretch film, the cooling system is very important, which directly affects the quality and output of stretch film. In general, we recommend choosing a chiller model with a cooling capacity slightly larger than the flow rate required for cooling, so as to ensure that the temperature and water flow rate can be kept within the required range under long-term stable operation. When choosing a water chiller system for your stretch film machine and film blowing machine, there are several factors to consider: Cooling Capacity: Determine the cooling capacity required for your machines based on their heat load. Consider factors such as the machine size, material type, production rate, and ambient temperature. Temperature Control: Assess the temperature control requirements of your machines. Depending on the application, you may need precise temperature control to achieve optimal production conditions. Chiller Type: Select a chiller type that suits your specific ...

  Industrial chiller units   play a crucial role in various industries, providing chilled water for processes such as plastics manufacturing, electronics production, and pharmaceuticals. However, like any mechanical system, chillers are prone to common problems that can affect their performance. In this blog post, we will discuss these issues and provide practical solutions to keep your industrial chiller running smoothly. Common Problems and Solutions: 1.Insufficient Refrigerant: One common issue with industrial chiller units is insufficient refrigerant. This can lead to decreased cooling capacity and inefficient operation. The solution is simple: supplement the chiller with an adequate amount of refrigerant and maintain the pressure during operation at around 0.5 MPa. 2.High Outdoor Temperatures: During the summer months, excessively high outdoor temperatures can put stress on the chiller's outdoor unit, leading to elevated condensing pressures and temperatures. To address t...