Cool storage Cold storage is a crucial part of the cold supply chain, helping to preserve the freshness of goods and extend their shelf life. This article will delve into the structure, operating principles, standards, and installation procedures of modern cold storage facilities.
What is cold storage? Its role in the supply chain.
Cool storage là một không gian được thiết kế và xây dựng đặc biệt để duy trì nhiệt độ và độ ẩm ổn định, thường trong khoảng từ 2°C đến 15°C, nhằm bảo quản các loại hàng hóa, đặc biệt là thực phẩm tươi sống, nông sản, dược phẩm và các sản phẩm dễ hư hỏng khác. Khác với cold storage, kho mát duy trì nhiệt độ cao hơn, phù hợp với những sản phẩm không cần bảo quản ở nhiệt độ đóng băng. Vai trò của kho mát trong chuỗi cung ứng là vô cùng quan trọng, đảm bảo rằng hàng hóa được giữ ở trạng thái tốt nhất từ khi sản xuất, vận chuyển đến khi đến tay người tiêu dùng.
In the supply chain, cold storage plays a crucial role as a transit and preservation hub. It helps minimize food waste due to spoilage, extends product shelf life, and ensures product quality. For example, agricultural products need to be moved to cold storage as soon as possible after harvest to slow down ripening and prevent the growth of bacteria and mold. Similarly, dairy products and beverages need to be stored at cool temperatures to maintain flavor and quality. Pharmaceuticals and vaccines also require strict cold storage conditions to ensure efficacy and safety.
Furthermore, cold storage helps businesses optimize inventory management processes and reduce operating costs. By preserving goods under ideal conditions, businesses can minimize spoilage, reduce waste disposal costs, and increase revenue. In addition, using cold storage helps businesses comply with food safety and product quality regulations, enhancing their reputation and brand image in the market.
In summary, cold storage is an indispensable element in the modern supply chain, playing a crucial role in preserving goods, minimizing waste, optimizing costs, and ensuring product quality reaches consumers. Investing in an efficient cold storage system is a wise decision for businesses operating in the food, agriculture, pharmaceutical, and related industries.
Detailed structure of a modern cold storage system.
A cold storage system Modern refrigeration is not simply a cooled space, but a complex of components designed and coordinated to ensure optimal preservation efficiency. The main components include insulation systems, refrigeration systems, automatic control systems, and auxiliary equipment. Each component plays a crucial role in maintaining stable temperature and humidity, ensuring product quality, and saving energy.
Insulation system (EPS/PU panels, specialized warehouse doors)
Insulation is a key factor in maintaining a stable temperature inside a cold storage facility. It involves using high-quality insulation materials to cover all surfaces of the warehouse, including walls, ceilings, and floors. The two most common insulation materials are EPS (Expanded Polystyrene) panels and PU (Polyurethane) panels. EPS panels are cheaper and easier to install, but offer less insulation than PU panels. PU panels offer superior insulation and durability, but are also more expensive. The choice of panel type depends on the specific requirements of each project, budget, and desired insulation efficiency.
Besides insulated panels, specialized warehouse doors also play a crucial role in preventing heat loss. Warehouse doors are typically made from similar insulating materials as the panels, with tight-fitting rubber seals to ensure maximum insulation. Common types of warehouse doors include sliding doors, hinged doors, and roller doors, each with its own advantages and disadvantages, suitable for different applications. Sliding doors are often used for large warehouses that require frequent opening and closing. Hinged doors are suitable for smaller warehouses with less frequent use. Roller doors offer the advantages of space saving and ease of operation.
Another crucial element in insulation systems is the handling of joints and gaps. If joints are not carefully treated, they can become weak points, causing heat loss and reducing the insulation efficiency of the entire system. Professional construction techniques and the use of high-quality sealing materials are essential to ensure the airtightness of the cold storage.
Refrigeration system (Compressor, condenser, and evaporator unit)
Cooling system The condenser unit is the heart of the cold storage facility, responsible for maintaining the desired temperature inside. This system includes the condenser unit, evaporator, and other auxiliary equipment. The condenser unit compresses and liquefies the refrigerant, then pushes it to the evaporator. The evaporator is where the refrigerant absorbs heat from the air inside the cold storage, cooling the air and recirculating it back to the condenser unit.
Choosing the right compressor capacity and type is crucial to ensuring efficient cooling and energy savings. Common compressor types include piston compressors, screw compressors, and scroll compressors, each with its own advantages and disadvantages, suitable for different applications. Piston compressors are typically used for small-capacity warehouses, while screw and scroll compressors are suitable for larger-capacity warehouses.
Condenser There are also many different types, including natural convection and forced convection evaporators. Natural convection evaporators operate on the principle of natural air convection, do not require a fan, and are suitable for small warehouses. Forced convection evaporators use a fan to enhance air circulation, helping to cool faster and more evenly, and are suitable for larger warehouses.
Automatic control system (PLC/SCADA control panel)
Automatic control systems play a crucial role in maintaining stable temperature and humidity inside cold storage facilities, while also saving energy and reducing operating costs. These systems typically include a PLC (Programmable Logic Controller) or SCADA (Supervisory Control and Data Acquisition) control panel, temperature sensors, humidity sensors, control valves, and other equipment.
The PLC/SCADA control panel is the central control unit of the system, responsible for collecting data from sensors, processing the data, and issuing control commands to other devices. For example, when the temperature inside the warehouse exceeds the set threshold, the control panel will activate the compressor to cool the air. When the humidity is too high, the control panel will activate the dehumidification system.
The advantages of an automated control system are its ability to operate accurately, stably, and continuously. It minimizes human intervention, reduces errors, and ensures optimal storage conditions for goods. Furthermore, the system can record, analyze, and report data, helping managers monitor the efficiency of the cold storage facility and make appropriate adjustments.
Auxiliary equipment (Water curtain, LED cold storage lights, pressure relief valve)
In addition to the main components, cold storage facilities also require auxiliary equipment to enhance operational efficiency and ensure safety. Water curtains are an important device, used to reduce the air temperature before it enters the cold storage, especially in hot and humid weather conditions. Water curtains operate on the principle of water evaporation, cooling the air naturally and saving energy.
LED lighting is an ideal choice for cold storage facilities because it offers high lighting efficiency, low power consumption, and a long lifespan. LEDs also don't generate heat, reducing the load on the refrigeration system. Pressure relief valves play a crucial role in balancing the pressure inside and outside the cold storage, especially during sudden temperature changes. These valves help prevent deformation or damage to the cold storage due to pressure differences.
In addition, cold storage facilities require other equipment such as alarm systems, surveillance cameras, and access control systems to ensure the security and safety of goods. Selecting and installing appropriate auxiliary equipment will enhance operational efficiency, extend the lifespan of the cold storage facility, and ensure the safety of goods.
Temperature and humidity standards for each type of goods.
Different types of goods require different temperature and humidity control conditions to ensure quality and extend shelf life. Adherence to these standards is crucial, especially for sensitive products such as fresh food, pharmaceuticals, and vaccines.
Preservation of agricultural products, vegetables and fruits (2°C – 10°C)
Agricultural products, especially fruits and vegetables, are among the most perishable goods because they continue to respire after harvesting. The ideal storage temperature for these products is typically between 2°C and 10°C, depending on the type of product. For example, leafy greens like lettuce and cabbage need to be stored at lower temperatures (2°C – 4°C) to maintain freshness. Root vegetables like carrots and potatoes can be stored at higher temperatures (5°C – 10°C).
Humidity also plays a crucial role in preserving agricultural products, vegetables, and fruits. Too low humidity can cause products to dehydrate and wilt. Too high humidity can create conditions for bacteria and mold to grow. The ideal humidity for preserving agricultural products, vegetables, and fruits is usually between 851 oz and 951 oz.
Besides temperature and humidity, ventilation is also crucial. Ventilation helps remove ethylene gas, a gas produced by fruits and vegetables during ripening, which can accelerate spoilage. Using well-ventilated cold storage facilities will help extend the shelf life of produce and vegetables.
Storage of pharmaceuticals and vaccines (2°C – 8°C – GSP standard)
Pharmaceuticals and vaccines are particularly sensitive to temperature and humidity. Their storage must strictly adhere to World Health Organization (WHO) standards and Ministry of Health regulations. The ideal storage temperature for pharmaceuticals and vaccines is typically between 2°C and 8°C.
The GSP (Good Storage Practice) standard is a set of rules for good drug storage practices, aimed at ensuring drug quality during storage. The GSP standard specifies requirements for facilities, equipment, personnel, procedures, and documentation. Drug and vaccine storage facilities must be designed and constructed according to GSP standards, and must have a continuous temperature and humidity control system, an alarm system for exceeding permissible temperature limits, and a comprehensive data recording system.
Compliance with GSP standards is mandatory for businesses trading in pharmaceuticals and vaccines. Businesses must undergo periodic inspections and obtain GSP certification from the relevant government agency. Failure to comply with GSP standards may result in fines, suspension of operations, or revocation of business licenses.
Preservation of processed foods, milk, and beverages.
Processed foods, dairy products, and beverages also need to be stored at appropriate temperatures to ensure quality and safety. The ideal storage temperature for processed foods, dairy products, and beverages is typically between 0°C and 5°C, depending on the product. For example, fresh milk needs to be stored at a lower temperature (0°C – 2°C) to prevent bacterial growth. Processed foods such as sausages and ham can be stored at higher temperatures (2°C – 5°C).
Humidity also plays a crucial role in the preservation of processed foods, dairy products, and beverages. Excessively high humidity can cause products to become moldy and spoil. Excessively low humidity can cause products to dry out and lose moisture. The ideal humidity for preserving processed foods, dairy products, and beverages is typically between 501 tp³ and 701 tp³.
Besides temperature and humidity, hygiene in cold storage is also crucial. Cold storage needs to be cleaned regularly to eliminate bacteria and mold, ensuring food safety. The use of specialized cleaning agents and adherence to strict hygiene procedures are essential.
Advantages of installing cold storage at Tan Long
Tan Long Tan Long is a reputable company in the field of designing, constructing, and installing cold storage facilities. Choosing Tan Long as your partner for cold storage installation offers many outstanding advantages for customers.
Optimize cooling performance and save energy.
Tan Long consistently applies the most advanced technologies in the design and installation of cold storage facilities to optimize cooling performance and save energy. Tan Long's solutions include:
- Using high-quality insulation panels with superior thermal insulation capabilities helps minimize heat loss.
- Choose compressors and evaporators that are highly efficient and energy-saving.
- The ventilation system is designed to be optimal, ensuring even air circulation throughout the warehouse and minimizing temperature fluctuations.
- Using an intelligent automatic control system, temperature and humidity can be precisely adjusted, avoiding energy waste.
As a result, the cold storage installed by Tan Long can save up to 30% of electricity compared to conventional systems.
Internet of Things (IoT) remote monitoring technology
Tan Long integrates Internet of Things (IoT) technology into its cold storage system, allowing customers to monitor and control the warehouse remotely via smartphone or tablet. Features of the remote monitoring system include:
- Monitor temperature and humidity in real time.
- Receive alerts when temperature or humidity exceeds acceptable thresholds.
- Remotely control the compressor, evaporator, and other equipment.
- View the operating history of the cold storage facility.
Remote monitoring systems help customers manage cold storage effectively, detect problems early, and take timely corrective measures, ensuring the safety of goods.
High equipment durability and smooth operation.
Tan Long uses only genuine, high-quality, and exceptionally durable equipment. The equipment is carefully selected to ensure stable, smooth operation with minimal malfunctions. In addition, Tan Long provides regular maintenance and servicing, extending the lifespan of the equipment and ensuring continuous system operation.
Professional consultation and installation process for cold storage facilities.
Tan Long applies a professional cold storage consultation and construction process, ensuring the quality and progress of the project.
Step 1: Field survey and solution consultation
Tan Long's engineering team will conduct on-site surveys, understand customer needs, and provide the most suitable solutions. Factors considered during the survey process include:
- The size and shape of the warehouse.
- Type of goods to be preserved.
- Temperature and humidity requirements.
- Available electrical power capacity.
- The client's budget.
Based on the survey results, Tan Long will advise customers on the appropriate type of cold storage, compressor capacity, refrigeration unit, type of insulation panel, and necessary auxiliary equipment.
Step 2: Design detailed technical drawings
After agreeing on a solution, Tan Long will proceed with designing detailed technical drawings, including:
- Floor plan and cross-section drawings of the warehouse.
- Equipment layout diagram.
- Electrical diagram.
- Pipeline diagram.
Detailed technical drawings help customers clearly visualize the cold storage facility after completion and ensure that the construction process is carried out accurately.
Step 3: Install the warehouse shell and machinery system.
Tan Long has a team of skilled and experienced technicians in the installation of warehouse shells and machinery systems. The installation process is carried out strictly according to technical drawings, ensuring the quality and progress of the project.
Step 4: Acceptance testing, commissioning, and technology transfer.
After installation is complete, Tan Long will conduct acceptance testing, commissioning, and technology transfer to the customer. Customers will receive detailed instructions on how to operate, maintain, and service the cold storage facility. Tan Long also provides 24/7 technical support services, ready to answer any customer questions.
Quotation for cold storage installation in 2026
The cost of installing a cold storage facility depends on several factors, including:
- The area and volume of the warehouse.
- Insulated panel type.
- Compressor and evaporator capacity.
- Auxiliary equipment.
- Installation location.
To receive the most detailed and accurate quotation, please contact Tan Long for a free consultation and site survey.
(Note: The quoted price for cold storage installation in 2026 is for reference only and may change depending on market conditions and other factors.)
Important considerations for the sustainable operation of cold storage facilities.
To ensure the cold storage facility operates reliably and efficiently, the following points should be considered:
- Clean the cold storage area regularly and periodically.
- Inspect and maintain the equipment regularly.
- Do not overload the goods.
- Ensure the storage door is closed tightly when not in use.
- Monitor temperature and humidity regularly.
- Address incidents promptly.
- Follow the manufacturer's operating instructions.
Frequently Asked Questions
How long can food be stored in a cold storage facility?
The shelf life of food in a cold storage facility depends on several factors, including the type of food, and the storage temperature and humidity.
Should you choose EPS or PU panels for a cold storage warehouse?
The choice between EPS and PU panels depends on the specific requirements of each project, budget, and desired thermal insulation performance.
Does Tan Long provide on-site cold storage repair services?
Yes, Tan Long has a team of professional technicians ready to provide on-site cold storage repair services.
Conclude
Cool storage Cold storage plays a crucial role in preserving goods, especially food, pharmaceuticals, and agricultural products. Choosing and installing a suitable, high-quality cold storage system is key to ensuring operational efficiency, energy savings, and extending product shelf life. With years of experience and a strong reputation, Tan Long confidently offers customers the most optimal cold storage solutions, meeting even the most demanding needs and requirements.
