A bladder tank is a large, flexible container used to store many types of liquids. [1] When maximum capacity is reached, the bladder tank takes the form of a large pillow, hence it is also called a pillow tank. [2]
A bladder tank is a large, flexible container used to store many types of liquids. [1] When maximum capacity is reached, the bladder tank takes the form of a large pillow, hence it is also called a pillow tank. [2]
The first engineered flexible bladder tank was constructed from rubber in 1926 and manufactured by John Boyd Dunlop in Manchester UK,[ citation needed ] then later made from modern materials such polymers, and from PVC in Algeria, Africa in the 1950s. It was invented by André Labaronne (patent N°1.460.825, 19 October 1965) and marketed under the brand CITAF (Citernes pour l’agriculture Française).[ citation needed ]
The technology was popularized in the early 21st century, with many wines, for example, shipped by flexitank then bottled nearer a final point-of-sale. [3] [4]
Flexible bladder tanks are made from numerous materials depending on the chemical compatibility of its content. LLDPE, PVC, TPU and Nitrile rubber panels/sheets are all welded in different ways through; heat, High frequency and vulcanizing consequently. The panels/sheets are joined to form a sleeve which is then closed at each end to form a bladder tank. Materials selected for manufacturing bladder tanks in the first instant is for their Chemical compatibility of its content, secondly UV resistant if the application is for outside storage where UV plays a role and others are chosen for their mechanical abrasion resistance if used in transport on truck, trains or Aircraft. There are many applications for bladder tanks, static storage, transportable and ISO container tanks. Some examples of what can be stored or transported in the Bladder tanks are fossil fuels (hydrocarbon), liquid fertilizers, emulsions, rainwater, drinking and grey water.
For the use of static badder storage tanks, installation is fast and simple and requires a level, free of sharp objects like rocks, spikes or other materials that might damage the tanks. Ideally a layer of sand or a special ground sheet is often used to minimize surface irregularities. Static storage tanks when used for Fuels or other hazardous chemicals are usually placed with within a berm with a liner for secondary containment to prevent adverse environmental effects when bladder tanks leak or fail. For most non-hazardous applications ground cloths or sheets are used made from geotextile or PVC.
Bladder tanks were initially used for rapid deployment by DODs, UN, Ngos in the case of war or disaster and later for more long term applications in a wide range of industries such as farming, mining, manufacturing, marine and aviation. Bladder tanks have many capacities ranging from 500 liter up to 1 million liters. Liquid stored in a flexible bladder tank does not evaporate and any odor it may produce is completely sealed within the tank. Because the bladder tank works in a vacuum, contaminants cannot enter, what you put in is what you get out. [5]
Polyurethane refers to a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane is produced from a wide range of starting materials. This chemical variety produces polyurethanes with different chemical structures leading to many different applications. These include rigid and flexible foams, and coatings, adhesives, electrical potting compounds, and fibers such as spandex and polyurethane laminate (PUL). Foams are the largest application accounting for 67% of all polyurethane produced in 2016.
A thermoplastic, or thermosoftening plastic, is any plastic polymer material that becomes pliable or moldable at a certain elevated temperature and solidifies upon cooling.
A bag-in-box or BiB is a container for the storage and transportation of liquids. It consists of a strong bladder, usually made of several layers of metallised film or other plastics, seated inside a corrugated fiberboard box.
A hose is a flexible hollow tube designed to carry fluids from one location to another. Hoses are also sometimes called pipes, or more generally tubing. The shape of a hose is usually cylindrical.
A fuel tank is a safe container for flammable fluids, often gasoline or diesel fuel. Though any storage tank for fuel may be so called, the term is typically applied to part of an engine system in which the fuel is stored and propelled or released into an engine. Fuel tanks range in size and complexity from the small plastic tank of a butane lighter to the multi-chambered cryogenic Space Shuttle external tank.
High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a thermoplastic polymer produced from the monomer ethylene. It is sometimes called "alkathene" or "polythene" when used for HDPE pipes. With a high strength-to-density ratio, HDPE is used in the production of plastic bottles, corrosion-resistant piping, geomembranes and plastic lumber. HDPE is commonly recycled, and has the number "2" as its resin identification code.
Intermediate bulk containers are industrial-grade containers engineered for the mass handling, transport, and storage of liquids, semi-solids, pastes, or solids. The two main categories of IBC tanks are flexible IBCs and rigid IBCs. Many IBCs are reused or repurposed.
Storage tanks are containers that hold liquids or compressed gases. The term can be used for reservoirs, and for manufactured containers. The usage of the word "tank" for reservoirs is uncommon in American English but is moderately common in British English. In other countries, the term tends to refer only to artificial containers. In the U.S., storage tanks operate under no pressure, distinguishing them from pressure vessels.
A geomembrane is very low permeability synthetic membrane liner or barrier used with any geotechnical engineering related material so as to control fluid migration in a human-made project, structure, or system. Geomembranes are made from relatively thin continuous polymeric sheets, but they can also be made from the impregnation of geotextiles with asphalt, elastomer or polymer sprays, or as multilayered bitumen geocomposites. Continuous polymer sheet geomembranes are, by far, the most common.
A plastic bottle is a bottle constructed from high-density or low density plastic. Plastic bottles are typically used to store liquids such as water, soft drinks, motor oil, cooking oil, medicine, shampoo, milk, and ink. The size ranges from very small bottles to large carboys. Consumer blow molded containers often have integral handles or are shaped to facilitate grasping.
Tygon® is a brand name for a family of flexible polymer tubing consisting of a variety of materials to be used "across a range of specialized fluid transfer requirements". The specific composition of each type is a trade secret. Some variants have multiple layers of different materials. Tygon is a registered trademark of Saint-Gobain Corporation. It is an invented word, owned and used by Saint-Gobain and originated in the late 1930s. Tygon products are produced in three countries, but sold throughout the world. Tygon tubing is used in many markets, including food and beverage, chemical processing, industrial, laboratory, medical, pharmaceutical, and semiconductor processing. There are many formulations of clear, flexible, Tygon tubing. The chemical resistance and physical properties vary among the different formulations, but the tubing generally is intended to be "so resistant to chemical attack that it will handle practically any chemical", whether liquid, gas, or slurry. While largely non-reactive, Tygon has been reported to liberate carbon monoxide and is listed among carbon monoxide-releasing molecules.
Plastic pipe is a tubular section, or hollow cylinder, made of plastic. It is usually, but not necessarily, of circular cross-section, used mainly to convey substances which can flow—liquids and gases (fluids), slurries, powders and masses of small solids. It can also be used for structural applications; hollow pipes are far stiffer per unit weight than solid members.
Hydrogen safety covers the safe production, handling and use of hydrogen, particularly hydrogen gas fuel and liquid hydrogen. Hydrogen possesses the NFPA 704's highest rating of four on the flammability scale because it is flammable when mixed even in small amounts with ordinary air. Ignition can occur at a volumetric ratio of hydrogen to air as low as 4% due to the oxygen in the air and the simplicity and chemical properties of the reaction. However, hydrogen has no rating for innate hazard for reactivity or toxicity. The storage and use of hydrogen poses unique challenges due to its ease of leaking as a gaseous fuel, low-energy ignition, wide range of combustible fuel-air mixtures, buoyancy, and its ability to embrittle metals that must be accounted for to ensure safe operation.
FRP is a modern composite material of construction for chemical plant, pulp and paper mill, and food and pharmaceutical equipment like tanks and vessels. Chemical equipment that range in size from less than a metre to 20 metres are fabricated using FRP as material of construction.
Flexible tanks are a kind of storage equipment for liquids such as water or oil. Compared to steel tanks, flexible tanks have many advantages, including lighter weight and being rustproof, foldable, and quicker and easier to set up. With the same capacity, an empty flexible tank may have just 10% of a steel tank's weight. The disadvantages of flexible tanks include lower durability and shorter longevity. Some flexible tanks can be used as transport containers on trucks, ships, or aeroplanes, with some suitable for use in airdrops, helicopter swing, or hauling water.
Fuel bladders, fuel storage bladders are a type of Flexi-bag used as a fuel container. They are collapsible, flexible storage bladders that provide transport and storage for bulk industrial liquids such as fuels.
Caged IBC totes are one of, if not the most commonly used, of all current intermediate bulk container design types. Caged IBC totes are handling and shipping containers for the storing, transit, and operation integration of various commodities, with the most common being water. Caged IBCs are often utilized as one-use containers, especially when it comes to hazardous materials, but are also suitable for reuse under many conditions. This IBC type often features an interior liner, blow-mold manufactured from polyethylene, that is structurally supported by a protective cage frame, often of galvanized steel composition. Caged IBCs are engineered for the bulk handling of liquids, semi-solids, as well as solid materials. All materials can present certain safety and compatibility concerns, especially hazardous liquids, and proper guidance is always recommended whenever using caged IBC totes for harsh chemicals.
A water container, water canister or water can is a medium-sized portable container for transport, storage and use of water. Large plastic bottles are sometimes called "canisters". Water canisters can for example be used for drinking water, wastewater or showering. Water canisters are used for excursions, camping, boat trips, in cabins without tap water, or as a household drinking water reserve in case of emergency.
A fuel container is a container such as a steel can, bottle, drum, etc. for transporting, storing, and dispensing various fuels.
A bladder tank, sometimes referred to as a proportioning tank, injects liquid materials more consistently than a pressure differential tank. The bladder tank is a pressure vessel with an inlet and an outlet opening. Inside the tank, attached to the outlet, is a bag or bladder. The bag is frlled vvith the liquid to be injected. Water from the system is introduced into the tank, squeezing the bladder and forcing the liquid through the outlet port.
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