Water purification refers to the processes during which undesirable chemicals, biological pollutants, suspended solids and gases are removed from polluted water, so that it can be drunk or used for agriculture. For water purification, according to the amount of impurity and its type, special water purification equipment such as hardener, sand filter, RO desalination, pressure tanks, hydrocyclone is needed.
20 Reading minutes
The industrial desalination plant, or RO device, also known as reverse osmosis, is a water treatment method that is inspired by nature. In designing and manufacturing RO industrial desalination plant, the general law of tendency of fresh water to migrate to saline water is used. Due to the problem of water shortage in today’s life and the […]
20 Reading minutes
Hydrocyclone or sand trap is one of the cheapest equipment in water purification, the main focus of which is to remove sand and solid mineral particles suspended in water. Unlike other water treatment methods such as ultrafiltration and NF, it is not possible to remove salts and ions in water using a hydrocyclone. Here are the benefits, […]
20 Reading minutes
A deionizer is a device consisting of an anionic and a cationic column capable of producing ion-free, electrically conductive water of 1 μS. In the cation column, all cations including carbonate, sulfate, chloride, and silicate are removed. Other features of the Deionizer device include the following: · Design of deionizer based on complete water analysis […]
20 Reading minutes
Chlorination package is one of the best methods of water purification that increases the health of water for domestic and industrial use to a desirable level. Chlorine injection machine is widely used in swimming pools, industrial environments with the aim of eliminating microorganisms and bacteria in the water due to its cost-effectiveness as well as its easy […]
20 Reading minutes
Carbon filter or activated carbon is one of the common methods in water and wastewater treatment systems, which is based on the absorption of organic matter in water by activated carbon. Removing the turbidity, odor and taste of water is one of the main tasks for activated carbon filters and therefore is widely used in domestic water […]
20 Reading minutes
Deaerator or boiler deaeration system is a device that provides a suitable output for boiler feed by performing a series of preheating activities and removal of water-insoluble gases and carbon dioxide. Due to the effect of deaeration of water on increasing the efficiency and performance of the boiler, this device is widely used in industry […]
20 Reading minutes
Cartridge Filter Housing is a set of cylindrical tank and several cartridge filters inside it, which is mostly used in the pre-treatment stage of water treatment systems by reverse osmosis. The ability to remove suspended particles in water and other fluids by various types of cartridge filters is one of the main reasons for designing cartridge filter […]
20 Reading minutes
Sand filter is one of the oldest and most common methods of water treatment that is used to remove suspended particles in the water with a size of more than 100 microns. Cheap price, efficiency and long life are among the positive features that have made sand filter water treatment widely used in domestic and industrial applications. […]
20 Reading minutes
Water Softener is one of the most important water purifiers in which the main purpose is to remove ions such as calcium and magnesium from water. This method of water purification is widely used due to the negative effect of high consumption of calcium and magnesium in water on the health of the body and kidneys, as […]
20 Reading minutes
UF ultrafiltration is one of the newest water treatment methods that is widely used in industrial, domestic and agricultural sectors. Ultra-Filtration UF is designed based on the use of a the empty filter (membranes) that due to the very small diameter of the holes on the filter, has the ability to remove waste and contaminants […]
Wastewater treatment is the process of removing pollutants from wastewater, especially domestic wastewater, which includes chemical, physical, and biological processes to remove these pollutants and provide purified wastewater that is safe for the environment. For wastewater treatment, according to the type and amount of impurity, special wastewater treatment equipment is needed, such as a sewage treatment package, garbage collector, aerators, scraper, DAF grease trap.
20 Reading minutes
Reciprocating Sludge Scrapper Bridge is a Sludge Scrapper used for rectangular wastewater treatment ponds. These types of sedimentation bridges are used to prevent excessive deposition of sedimentary materials on the floor of water treatment ponds. Seven Industrial Group is a manufacturer of Reciprocating Sludge Scrapper and other types of sediment bridges, which has unique features in this group of […]
20 Reading minutes
Calibration pot is one of the main equipment in the chemical injection package, which is used to increase the accuracy of injection based on the required flow rate. Calibration pot is produced in different sizes and is a kind of accurate measuring tool for tanks that need to be injected with different chemicals. Seven Industrial […]
20 Reading minutes
Dual mesh bar screen is one of the best types of mechanical bar screen that the water purified by it is of high quality. This type of wastewater screen, which is one of the products produced for wastewater treatment, has a long life and its efficiency is higher than other samples. Seven Industrial Group; One of […]
20 Reading minutes
API (American Petroleum Institute) grease trap is one of the most common oil and oil removal devices that are widely used in refineries. API grease trap is designed and manufactured according to Stoke’s law and the difference between the density of solid and liquid particles and has a high efficiency in environments with a temperature […]
20 Reading minutes
Upflow Anaerobic Sludge Blanket (UASB) is one of the wastewater treatment systems that is designed based on the use of microorganisms in anaerobic conditions to remove organic pollutants in industrial wastewater. The UASB anaerobic treatment reactor, also known as the upstream anaerobic sludge blanket, is used in a variety of industries such as the food and pharmaceutical […]
20 Reading minutes
Dosing pump or chemical injection pump, also known as pump metering, has many applications in different industries and for different purposes. One of the main applications of dosing pumps or chemical pump is the injection of acidic, base and chlorine substances in swimming pools and equipment related to wastewater treatment. Haft Industrial Group; Manufacturer of high […]
20 Reading minutes
Rotating sludge scraper is one of the most common types of sediment bridges that are installed on cylindrical and circular ponds. These wastewater treatment equipments are designed and produced due to the great importance of preventing the deposition of suspended solids on the floor of treatment plants. Seven Industrial Group; Manufacturer of rotating sludge scraper in various […]
20 Reading minutes
A water control gate is a movable plate that is used to open or block the inlet or outlet of water and sewage tanks and channels. These products, which are known in two categories of sliding and floodgate, are widely used in the wastewater treatment industry and can be used in various environments. Seven Industrial Group; The […]
20 Reading minutes
Raked bar screen is one of the most important and main equipment in treatment plants that is used to prevent damage to the pump and other wastewater treatment plants. The most important feature of this group of sewage bar screens is that there is no need for manpower during the waste removal process. Seven Industrial Group; One […]
20 Reading minutes
Fixed surface aerator is one of the types of sewage aeration systems that are installed on concrete or metal bridges and perform aeration operation. These types of wastewater aeration systems are designed and produced based on turbine rotation speed and type of wastewater in different models. Seven Industrial Group; Manufacturer of fixed surface aerators and […]
A pressure vessel is a cylindrical or spherical metal structure that is used in industrial and domestic sectors to store various fluids at a pressure other than atmospheric pressure. The application of the pressurized tank is different according to its installation location, so it acts as a water source in domestic water supply systems and is used in oil and gas refineries to store fluid.
20 Reading minutes
Surge tank is one of the most important equipments in water transmission lines, oil and pumping systems that tries to minimize the effects of reducing or increasing the pressure in the pressurized pipelines and preventing the phenomenon of ram shock. In other words, the surge tank is pressurized along the fluid transmission lines to act […]
20 Reading minutes
Suction filter drier is one of the essential tools in refrigeration systems, which prevents chemical reaction by absorbing moisture and removing foreign substances and protects the refrigeration system. These filters, which are installed after the receiver and before the expansion valve, are capable of absorbing acid and solid particles and greatly increase the efficiency of […]
20 Reading minutes
Pressure vessel is a cylindrical or spherical metal structure that is used in industrial and domestic sectors to maintain various fluids at a pressure other than atmospheric pressure. The application of the pressurized tank varies according to its installation location, as it acts as a water source in domestic water supply systems and is used […]
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Asayesh Afza Imen Company started its activity in the 70s with the aim of providing engineering consulting services in the construction and operation of water and wastewater treatment systems. This group operates by taking possession of the world’s technical knowledge and relying on new engineering technologies in the field of design, construction, installation and commissioning of water (industrial, domestic, swimming pool) and sewage systems. By equipping experienced human resources, this company has been able to carry out a wide range of design and construction projects of water and sewage treatment plants with the highest accuracy and in the shortest time, and has achieved valuable success in this regard.
Asayesh Afza Imen Company started its activity in the 70s with the aim of providing engineering consulting services in the construction and operation of water and wastewater treatment systems. This group operates by taking possession of the world’s technical knowledge and relying on new engineering technologies in the field of design, construction, installation and commissioning of water (industrial, domestic, swimming pool) and sewage systems.
Design: Mahyan
