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Cold Storage

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Cold Storage (-5°C / +8°C)

Cold storages or cold rooms are the areas which is isolated from the external environment conditions in which the ideal air is created with the help of cooling devices of the space in order to preserve the freshness of the products and intended to prolong the shelf life.

The main purpose of using cold storage or cold room is to maintain the freshness of the products extended period of time as fresh as the day it was produced without external appearance deterioration and spoiling.

According to the product that will be preserved and purpose of preservation they preserved or stored in different temperature regimes.

-5°C / +8°C is one of the most common temperature ranges for the cold storages. This temperature range covers +2°C / +8°C which is generally defined as chiller room. According to product type that will be stored in the cold rooms, the critical temperature level is determined and set. We manufacture and build chiller rooms to be used for many different product types.  In the chiller room fresh fruits and vegetables, fresh meat and poultry products, milk and milk products, fresh fish and sea foods, bakery, medical drugs and chemicals are preserved.

What is Cold Storage?

Cold storage facilities are essential in preserving perishable food items like fruits, vegetables, fish, and meat. These items are particularly vulnerable to spoilage under normal environmental conditions due to their biological composition. To address this, cold storage provides a controlled environment with optimal temperature and humidity settings tailored to the specific requirements of each food type.

The core principle of cold storage is to slow down the biological and chemical processes that lead to food degradation. For fruits and vegetables, this involves maintaining a temperature that is low enough to slow down respiration rates without causing freezing damage. For example, most fruits are best stored at temperatures between 0-5°C, though specific requirements can vary.

Meat and fish demand more stringent conditions due to their high protein content, which is prone to bacterial growth and decomposition. Typically, these products are stored at temperatures just above freezing, often between -1°C and 3°C. The humidity levels are also closely monitored and adjusted to prevent dehydration and quality loss of the stored items.

Modern cold storage facilities are increasingly sophisticated, offering customizable settings to accommodate a wide range of products. Some advanced systems even include automated monitoring and adjustments of temperature and humidity, ensuring optimal preservation conditions are continuously maintained.

In addition to preserving food quality, cold storage plays a crucial role in reducing food waste. By extending the shelf life of perishable goods, these facilities enable longer distribution times, allowing food to reach more distant markets and reducing the risk of spoilage before consumption. This aspect is particularly important in today’s globalized food supply chains, where products often travel long distances from producer to consumer.

What should be considered when establishing a cold storage?

When installing a cold storage facility, attention to detail and adherence to specific technical guidelines are critical to ensure optimal operation and longevity of the system. Here's a comprehensive guide, integrating your provided information with additional insights:

1.      Assembling Cold Room Panels: Begin by verifying the project design and ensuring all materials and accessories are accounted for. Handle cold storage panels with care to avoid scratches, and use protective layers during loading and unloading. During assembly, maintain a gap between the walls and roof, and ensure the floor is level and the environment clean. Seal and fix the interior with glass glue and angle aluminum, maintaining appropriate distances between rivets and around the door.

2.      Installing Unit Coolers: Choose installation points that optimize air circulation within the cold room. Ensure a sufficient gap between the evaporator and panels, and secure all suspension bolts. Use sealant to prevent cold bridges and air leakage. If the ceiling-type evaporator is heavy, use angle iron for additional support, distributing the load across the structure.

3.      Refrigeration Unit Installation: Install an oil separator with semi-hermetic or hermetic compressors and add the correct amount of oil. Ensure the base of the compressor is fitted with shock-absorbing mounts. Leave space for maintenance and install the high-pressure gauge strategically. Aim for a consistent and rational overall layout.

4.      Refrigeration Pipeline Installation: Select copper pipe diameters according to the compressor's specifications. Maintain proper distances between the condenser, walls, and obstacles. Follow guidelines for inlet and outlet pipe diameters, and ensure slopes are correct in piping to facilitate effective gas and oil return. Install expansion valves and solenoid valves considering their proximity to the evaporator and their orientation.

5.      Power Distribution System Installation: Label each contact for maintenance ease. Construct the electric control box as per drawings and conduct a no-load test. Secure all electrical connections and protect wires from exposure. Ensure the distribution box is installed in a well-lit, dry area. Adhere to wire capacity guidelines to prevent overheating.

6.      Refrigeration System Commissioning: Test the power supply voltage and compressor windings for resistance and insulation. Check all system valves and refrigerant levels, and observe the operational sounds and temperatures across the system. Adjust settings based on the cold storage's specific frosting and usage requirements.

This comprehensive approach combines meticulous planning, precise installation, and rigorous testing to ensure that your cold storage facility operates efficiently, safely, and effectively. Proper installation and maintenance are key to prolonging the lifespan of the facility and maintaining the quality of stored goods.

What to keep in cold storage

Cold storage is essential for preserving a variety of perishable goods. The main items typically stored in cold storage facilities include:

1.      Fruits and Vegetables: Many fruits and vegetables have a limited shelf life at room temperature. Cold storage slows down their ripening process, thereby extending their freshness. It's important to store different fruits and vegetables at their specific optimal temperatures and humidity levels.

2.      Meat and Poultry: To prevent spoilage and bacterial growth, fresh meat and poultry are stored at low temperatures in cold storage. This not only preserves the quality of the meat but also ensures food safety.

3.      Seafood: Similar to meat, seafood, including fish, shellfish, and other marine products, require cold storage to maintain freshness and prevent bacterial contamination.

4.      Dairy Products: Milk, cheese, butter, and other dairy products are stored in cold storage to prolong their shelf life and maintain their quality.

5.      Frozen Foods: This category includes a wide range of products like frozen vegetables, meats, prepared meals, and desserts. Cold storage for frozen foods is typically at much lower temperatures compared to other perishables.

6.      Floral Products: Many flowers and plants have a longer lifespan when stored in a cool environment, which slows down their metabolism and decay.

7.      Pharmaceuticals: Some medications and vaccines require cold storage to maintain their efficacy. This is particularly true for certain biologics and temperature-sensitive drugs.

8.      Eggs: Proper cold storage of eggs can significantly extend their shelf life and maintain their quality.

9.      Bakery and Confectionery Items: Certain bakery products and confections may require cold storage to maintain freshness and prevent spoilage, especially those containing cream or dairy-based fillings.

10.   Beverages: Some beverages, like certain wines and craft beers, benefit from being stored at specific cool temperatures to preserve their flavor and quality.

Cold storage installation

When engaging with a specialized cold storage installation provider like TamCold, the process typically encompasses a series of technical phases, each critical to the successful implementation and operation of the facility. The technical specifics of such an installation process include:

1.      Initial Consultation and Precision Engineering Design: This stage involves a comprehensive needs analysis to ascertain specific requirements such as storage capacity, product-specific temperature and humidity parameters, and spatial constraints. The outcome is a bespoke engineering design that aligns with these requirements, leveraging advanced CAD tools and thermodynamic calculations.

2.      Site Assessment and Technical Survey: A meticulous evaluation of the intended installation site is conducted. This encompasses an assessment of spatial dimensions, environmental conditions, logistical considerations for equipment delivery, and the identification of potential installation challenges. Environmental impact assessments may also be included to ensure sustainability.

3.      Technical Proposal and Contractual Agreement: Following the initial consultation and site survey, a detailed technical proposal is presented. This document outlines the engineering design, cost analysis, projected energy consumption, and a timeline for project execution. A contractual agreement is then formalized upon concurrence with the terms.

4.      Procurement and Logistics of Specialized Components: Post-agreement, the procurement phase involves sourcing high-grade materials and components, such as high-density polyurethane insulated panels, commercial-grade refrigeration units, and precision control systems. The logistics of delivering these components to the site are meticulously planned.

5.      Installation Executed by Skilled Technicians: The installation process is executed by a team of skilled technicians. This includes the assembly of structural components, installation of insulation and refrigeration systems, calibration of digital temperature and humidity control units, and the establishment of an airtight seal to maintain the internal environment.

6.      Systematic Testing and Commissioning: Upon completion of the physical installation, a rigorous testing phase is undertaken. This includes stress testing the refrigeration units, verifying the accuracy of digital control systems, and ensuring consistent maintenance of the predefined environmental conditions over an extended period.

7.      Operational Training and Technical Handover: Comprehensive training is provided to the operational staff, focusing on system management, routine maintenance procedures, and emergency protocols. The technical handover includes detailed operational manuals and maintenance guides.

8.      After-sales Technical Support and Maintenance Services: Ongoing technical support is provided, encompassing regular maintenance checks, system upgrades, and troubleshooting support. This ensures sustained operational efficiency and longevity of the facility.

9.      Regulatory Compliance and Technical Documentation: The installation is executed in compliance with relevant industry standards and local regulations. Technical documentation, including compliance certificates, safety protocols, and system specifications, is provided for regulatory adherence and future reference.

The installation of a cold storage facility with a provider like TamCold is a highly technical process, requiring precision engineering, meticulous planning, and skilled execution. It involves stages ranging from initial design to after-sales support, each crucial to the functionality and efficiency of the cold storage solution.

Frequently asked Questions

Why is Cold Storage closing?

The closure of Cold Storage facilities can be attributed to various factors that impact their operational viability and strategic alignment. Economic challenges, technological advancements leading to more efficient alternatives, shifts in consumer demand, or the emergence of new distribution models can influence the decision to close such facilities. Additionally, the high costs associated with maintaining the precise environmental controls required in Cold Storage can also lead to closures if the facilities are not generating sufficient revenue or if a company decides to realign its logistical strategies.

What is Cold Storage known for?

Cold Storage is internationally recognized for its essential role in the global supply chain, particularly in ensuring the availability of fresh and high-quality perishable goods. These facilities are celebrated for their strict adherence to temperature control and hygiene standards, which are crucial for preventing spoilage and ensuring the safety of food products and temperature-sensitive pharmaceuticals. The ability of Cold Storage to bridge the gap between producers and consumers, facilitating the efficient storage, preservation, and transportation of perishable items, underscores its significance.

What is Cold Storage environment?

The environment within a Cold Storage facility is meticulously regulated to cater to the specific needs of the stored commodities. By employing advanced refrigeration technologies and insulation methods, these facilities create zones with precise temperature and humidity controls. From chilled to deeply frozen zones, each area is designed to halt the deterioration of goods, inhibit the growth of harmful organisms, and maintain product integrity. The Cold Storage environment is a testament to the intricate balance of science and technology in preserving perishable goods.

What is cold storage vs hot storage?

In the realm of data management, the contrast between cold storage and hot storage is stark. Cold Storage refers to the retention of infrequently accessed data in a cost-efficient manner, prioritizing long-term preservation over immediate accessibility. This makes it ideal for archival purposes, where data retrieval speed is a secondary concern. Conversely, Hot Storage is tailored for data that requires instant access, supporting rapid data retrieval and high-frequency transactions. It's the go-to choice for dynamic, real-time applications, albeit at a higher cost due to its performance capabilities.

How to work in Cold Storage?

Working within a Cold Storage facility demands a comprehensive understanding of its unique challenges and adherence to specific safety and operational protocols. Essential tips include wearing appropriate insulated protective clothing to safeguard against the cold, understanding and following strict safety guidelines, regularly maintaining and inspecting refrigeration units and storage infrastructure, closely monitoring environmental conditions, and undergoing specialized safety training. These practices are crucial for ensuring both the well-being of employees and the optimal preservation of stored goods.

TAMCOLD builds chiller rooms for very different product types

Fresh Fruits

Fresh Fruits

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Fresh Fruits
Fresh Vegetables

Fresh Vegetables

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Fresh Vegetables
Citrus

Citrus

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Citrus
Potato & Onion

Potato & Onion

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Potato & Onion
Milk & Milk Products

Milk & Milk Products

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Milk & Milk Products
Fresh Red Meat

Fresh Red Meat

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Fresh Red Meat
Fresh Poultry

Fresh Poultry

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Fresh Poultry
Fresh Fish & Seafood

Fresh Fish & Seafood

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Fresh Fish & Seafood
Bakery

Bakery

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Bakery
Flowers

Flowers

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Flowers
Medical Drugs

Medical Drugs

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Medical Drugs
Chemicals

Chemicals

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Chemicals
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