1.22×1.22m HDG Sectional Water Tank for Petrochemical Plants

Water tanks used throughout petrochemical facilities must not only provide sufficient storage capacity but also offer excellent corrosion resistance, reliable long-term outdoor performance, and high structural strength. In addition, petrochemical plants generally require large-capacity water tanks, making durability and cost-effectiveness equally important.

Among common modular sectional water tank solutions, hot-dip galvanized steel water tanks offer a particularly balanced combination of strength, durability, corrosion protection, and cost-effectiveness for petrochemical applications.

GRP/FRP water tanks provide excellent corrosion resistance and relatively low maintenance requirements, but their structural strength is generally lower than that of steel tanks. Stainless steel water tanks are manufactured using food-grade stainless steel materials and offer high structural strength and good corrosion resistance, but their overall cost is significantly higher.

Main Applications of Water Tanks in Petrochemical Plants

1. Fire Water Storage Tanks

Fire protection is one of the most important safety systems in a petrochemical plant. Refineries, chemical plants, and petroleum storage facilities contain large quantities of flammable and combustible materials. In the event of a fire, the fire protection system must provide a reliable and continuous water supply.

Petrochemical fire water tanks generally require large storage capacities and are often installed outdoors for long-term operation. Therefore, high structural strength, corrosion resistance, and operational reliability are essential.

The fire water tank works as an important water source for integrated fire protection systems, including:

• Fire hydrant systems
• Automatic sprinkler systems
• Fire monitor systems
• Other fire suppression and cooling systems

These tanks are commonly used in:

• Oil refineries
• Petrochemical plants
• Chemical production facilities
• Petroleum storage terminals
• Energy and industrial facilities
• Fuel stations

2. Industrial Cooling Water Storage Tanks

Industrial production processes generate significant amounts of heat, and many types of equipment require circulating cooling water to maintain normal operating temperatures.

Typical equipment includes:

• Compressors
• Heat exchangers
• Reactors
• Pumps
• Process equipment

A stable supply of circulating cooling water is essential for maintaining continuous and reliable operation.

Cooling water storage tanks can be used to store and buffer the water required by industrial cooling systems, helping maintain a stable water supply during normal operation and fluctuations in system demand.

3. Process Water Storage Tanks

Petrochemical production processes may require different types of process water, including:

• Softened water
• Filtered water
• Industrial purified water
• Deionized water

These water sources are generally stored separately according to their specific applications and water quality requirements, helping maintain stable production processes.

Depending on the water quality and application requirements, different tank materials can be selected, including stainless steel, GRP/FRP, and hot-dip galvanized steel.

4. Domestic Water Storage Tanks

Large petrochemical plants are usually equipped with supporting facilities such as office buildings, employee accommodation, canteens, maintenance areas, and other service buildings. These facilities require reliable domestic water storage and supply systems.

Domestic water storage tanks are mainly used for:

• Employee daily water consumption
• Sanitary facilities
• Domestic water reserves for buildings

Stainless steel and GRP water tanks are commonly selected for domestic water applications due to their hygiene, durability, and long-term reliability.

Why Are Modular HDG Water Tanks Suitable for Petrochemical Plants?

As is well known, petrochemical facilities contain extensive networks of pipelines, storage tanks, towers, and other industrial equipment. Most of these facilities operate outdoors and are exposed to the surrounding environment for long periods. The water storage tanks supporting these systems are no exception.

Therefore, water tanks used in petrochemical plants should provide the following characteristics:

• High structural strength
• Excellent corrosion protection
• Large-capacity design
• Suitability for long-term outdoor installation
• Easy future expansion
• Cost-effective construction

Our square modular hot-dip galvanized water tanks are manufactured from Q235 steel panels formed by pressing processes. Compared with fiberglass materials, Q235 steel provides higher structural strength and is well suited for large-capacity outdoor water storage applications.

At the same time, hot-dip galvanized steel offers a cost-effective solution for large industrial water storage projects, making it particularly suitable for petrochemical plants and other industrial facilities where both durability and project cost need to be considered.

Of course, the selection of water tank materials should always be based on the actual application and project requirements. In a large petrochemical facility with multiple water supply systems, GRP/FRP, stainless steel, and hot-dip galvanized steel water tanks may all be used within the same project, with each material selected according to the specific operating conditions and water quality requirements.

Modular HDG Water Tank Panel Specifications

Height	Bottom Board	1st Layer	2nd Layer	3rd Layer	4th Layer	5th Layer	Top board
5000 mm	5 mm	5 mm	5 mm	4 mm	3 mm	2.5 mm	2 mm
4500 mm	5 mm	5 mm	5 mm	4 mm	3 mm	2.5 mm	2 mm
4000 mm	5 mm	5 mm	4 mm	3 mm	2.5 mm		2 mm
3500 mm	4 mm	4 mm	3 mm	3 mm	2.5 mm		2 mm
3000 mm	4 mm	4 mm	3 mm	3 mm			2 mm
2500 mm	4 mm	4 mm	3 mm	3 mm			2 mm
2000 mm	3 mm	3 mm	3 mm				2 mm
1500 mm	3 mm	3 mm	3 mm				2 mm
1000 mm	3 mm	3 mm					2 mm

Flexible Tank Dimensions

The tank can be assembled using standard panel sizes, including:

• 1.22 × 1.22 m
• 1 × 1 m
• 1 × 0.5 m
• 0.5 × 0.5 m

Different numbers and combinations of panels can be used according to the required tank capacity and installation space.

4ft × 4ft International Standard Module

Unlike non-standard tank systems, our product is designed based on the globally recognized 4ft × 4ft modular grid system:

• Standard panel size: 1220 × 1220 mm (4ft × 4ft)
• Compatible with international engineering design standards
• Optimized for container loading and shipping efficiency
• Reduces on-site labor and installation cost
• Improves construction efficiency

👉 Especially suitable for projects in the USA, Canada, Australia, the Middle East, and Africa.

Whether used for fire water storage, circulating cooling water, process water, or domestic water supply, reliable water storage systems play an important role in maintaining the safe, efficient, and continuous operation of petrochemical facilities.

With its high structural strength, corrosion protection, flexible modular design, convenient installation, and cost-effectiveness, the HDG modular sectional water tank is a reliable solution for water storage applications in petrochemical plants and other large industrial facilities.

FAQ