An important role in industrial production – storage tanks

Thread Content

This post was last edited by Xin Ruifangxiao on 2025-6-10 13:12. Storage tanks play an important role in modern industrial production and storage; they are a common type of container equipment. This article will explain the concept, classification, application industries, advantages and disadvantages, usage precautions, and sealing methods of storage tanks. https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=YWU1NmRkZTgzZjY1YmJkOTFlOGMxNzk2ODk3MjlhZDUsMTY4Mzc5NTA4MTIwMQ== 1. What is it? A storage tank is a container device used for storing gases, liquids, or solid substances, and it is usually made of metal or non-metallic materials. The selection of the structure and materials for storage tanks depends on the properties and requirements of the substances to be stored. Common types of storage tanks include vertical tanks, horizontal tanks, fixed-roof tanks, floating-roof tanks, spherical tanks, etc. https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=NjUyMjM1OWZlYzIwMWZmMWU1YzA3ZmY1ODhiZDdkM2UsMTY4Mzc5NTA4MTIwMQ== II. Classification a. Classification by shape: Based on the shape, storage tanks can be divided into cylindrical, square, spherical, conical, etc., among which cylindrical storage tanks are the most widely used type. Cylindrical storage tanks have advantages such as large capacity and stable structure, and are widely used in the petrochemical industry for storing crude oil, petroleum products, etc. b. Classified by material, they can be divided into metal storage tanks, fiberglass storage tanks, concrete storage tanks, etc. Metal storage tanks are the most widely used type of storage tank due to their advantages such as high strength and low cost. Fiberglass storage tanks have advantages such as corrosion resistance and good sealing performance, and are widely used in the chemical industry. Concrete storage tanks are primarily used for storing substances such as water and sewage. c. Classification by structure: Based on structure, they can be divided into vertical storage tanks, horizontal storage tanks, and spherical storage tanks. Vertical storage tanks are mainly suitable for high-viscosity substances and substances that tend to crystallize, such as asphalt and certain oils. Horizontal storage tanks are mainly suitable for low-viscosity liquids and gases, such as fuel oil and liquefied gas. Spherical storage tanks are suitable for storing compressed gases, liquefied gases, etc., and offer advantages such as a compact structure and high strength. d. Classification by shape: Based on shape, they can be classified into circular storage tanks, square storage tanks, and irregular-shaped storage tanks. Circular storage tanks are the most widely used due to their simple structure and good pressure resistance. Square storage tanks, thanks to their compact structure, allow for maximum utilization of space and are often used for storing powdered materials. Special-shaped storage tanks are designed to meet the specific requirements of the substances they store, such as dome-shaped tanks and heated storage tanks. https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=ZjY4OTliN2Y0NGNkOTRkYjhjOTRmM2IzMzY4OGNlYTgsMTY4Mzc5NTA4MTIwMQ== III. Application industries: Storage tanks are used in a wide range of industries, covering almost all sectors that require the storage of liquids or gases. For example: The chemical industry: includes petrochemicals, fertilizers, pesticides, pigments, etc. Oil industry: Mainly used for storing crude oil, refined oil products, lubricants, etc. Pharmaceutical industry: Used for storing pharmaceutical raw materials, finished products, etc. Food industry: Mainly used for storing food additives, liquid foods, etc. Paper industry: Used for storing raw materials and finished products for papermaking. Wastewater treatment industry: Used for storing wastewater and treating liquids, etc. Power industry: mainly used for storing fuel, lubricants, etc. Metallurgical industry: Used for storing molten metals, solvents, etc. Healthcare industry: Used for storing medical waste, medicines, etc. Construction materials industry: Mainly used for storing cement, mortar, liquid glass, etc. IV. Advantages and Disadvantages 1. Advantage: Large capacity, allowing the storage of large amounts of material ； Wide range of applications; can store various substances ； It has a long service life, typically lasting for several decades or more ； Easy to transport and install ； It can be heated, cooled, or otherwise treated as needed ； Wide range of applications; can store various substances ； https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=OGUzNWYxZWY1Zjg1ZTRlNjgwZjExYjIzMTg0ODk3OTgsMTY4Mzc5NTA4MTIwMQ== 2. Disadvantages: The storage tank itself takes up a lot of space, and it requires special premises and equipment ； Storage tanks are expensive to acquire and have a limited service life, requiring regular maintenance and inspection ； Some stored substances pose safety risks; for example, flammable and explosive materials require additional safety measures ； There are certain emission issues associated with the use of storage tanks, and attention must be paid to environmental protection concerns. Sealing issues in storage tanks can easily pose safety hazards. V. Sealing methods: Storage tanks encounter sealing issues during use, such as air or liquid leakage. These problems can affect the safety and quality of the substances stored, they may also cause corrosion to the equipment, and even lead to accidents. Regarding the sealing of storage tanks, there are several methods: Mechanical sealing: This involves using mechanical devices to seal the gap between the storage tank and the pipelines, and it is commonly used in environments with high temperatures, high pressures, or where flammable and explosive substances are present. Sealing gaskets: Used at the contact surface between storage tanks and pipelines; they are typically made of materials such as rubber or polytetrafluoroethylene, and can withstand certain levels of pressure and temperature. Sealant: Suitable for joints, gaps, welds, etc.; it can fill pores and prevent air or liquid leakage. Coating sealing: Applying special coating materials to the surface of storage tanks provides protection against corrosion, rust, and ensures sealing. Adsorbent sealing: Adsorbents are placed between the storage tank and the pipelines to absorb liquids or gases, thereby providing a sealing effect. Vacuum sealing: This is achieved by reducing the pressure inside the tank, thereby creating a vacuum between the tank and the outside environment, thus achieving a sealed condition. Gas inerting: Inert gas is injected into the storage tank to reduce the oxygen level, preventing oxidative corrosion and achieving a sealed environment. It is important to note that for different storage tanks and the substances stored within them, it is crucial to choose the appropriate sealing method. An improper selection or use can have an impact on the safety and quality of the stored substances. Therefore, when using storage tanks, an appropriate sealing method should be selected based on the properties and requirements of the substances stored, and regular inspections and maintenance should be carried out to ensure good sealing performance of the tanks. As containers for storing various substances, storage tanks play a very important role in modern industrial production. When using storage tanks, it is necessary to pay attention to issues such as safety, corrosion prevention, and environmental protection. Additionally, an appropriate sealing method must be selected based on the properties and requirements of the substances being stored, in order to ensure the safety and reliability of the tanks. PS: Drawing on years of experience in the industry and starting from world-leading product concepts, Chengdu Xinrui Fangxiao Technology Co., Ltd. (http://www.mcw-performat.com/) has developed and manufactured its own brand of PTFE sealing products – the Fle*ngSeal® expanded PTFE sealing strips, as well as the XRFLON® R series of restructured PTFE sealing materials. Those who are interested can discuss this further. 1. The XRFLON R series consists of high-performance modified gaskets made of 100% pure polytetrafluoroethylene filled with various high-quality fillers. Through repeated rolling, the R series develops a highly fibrous structure. The more uniform mixing of inorganic fillers with PTFE resin ensures that the R series possesses more stable physical and mechanical properties. There will be no cold flow problem associated with pure PTFE and conventional cut PTFE, nor will there be issues with improper hardness seen in PTFE materials modified with other fillers. https://mp.toutiao.com/mp/agw/article_material/open_image/get?code=YjJmYjA5OGVhYmE2MzY0N2IwZjhmZThjZjc4OWYyYmQsMTY4Mzc5NTA4MTIwMQ==XRFLON The R-series restructured polytetrafluoroethylene sealing material; 2. The Fle*ngSeal series – this sealing material is a porous, expanded strip manufactured using a special process. It can achieve good adhesion at minor pressures to fine cracks and damage on the sealing interface, effectively protecting brittle structural materials to ensure sealing. For non-metallic components such as glass, ceramics, graphite, and plastics, it can better compensate for errors resulting from machining defects, rigid deformation, misalignment during installation, etc., balance uneven pre-tensioning forces, and effectively address leakage issues of various gases and liquids under complex conditions.