In most system of biological treatments of industrial and domestic wastewater, aeration is considered as the most important stage. Therefore, an effective mixing and at the same time the transmission of sufficient amount of oxygen required for the aerobic micro-organisms are the Two essential steps needed for the treatment system. On the basis of the importance and the need for such competent and efficient aerators, Mojan Company with a view to the latest developments in science and technology,has made an attempt to devise and manufacture the new models of aerators far more effective than the existing ones (low speed surface aerators,brush aerators , ect).

The Shondor aerator can be fixed in the aeration tank in an appropriate angle so that the electromotor unit , transmission system and the air inlet section may remain beyond, and its propeller under the surface of water The fast rotation of the motor causes the propeller to turn. Consequently, the fluid around the propeller begins to move and a low pressure point will be made at the end part of the shaft. The pressure drop made at the aeration shaft end causes a flow of air vacuum from the surface into the wastewater. This flow of air makes a great turbulence and on the other hand a host of tiny air bubbles which create an absolute mixing in the aeration tank are formed, and accordingly the effectiveness of oxygen absorption and mixture is increased in the aeration tank. The horizontal movement of the fluid prolongs the life-span of bubbles in the wastewater and maximizes the oxygen transmission to the wastewater as well.

Shondor is a high speed surface aerator with a capacity of deep transmission of oxygen. It is made up of the flowing parts:

• Electromotor unit : Shondor is equipped with a standard and flanged kind of Three phase electromotor . The class of thermal isolation class of the motor less than 7.5 kw is F , and the electrical protection is IP 55.
• The body : It consists of the power transmission system and a standing unit for installation.
• The shaft : A hollow shaft is made of stainless steel and a three blade proeller.

Have been machined and assembled, all parts of the unit go through careful inspection and tests so as to ensure the ideal quality. Therefore, these models of aerators characterize high standard of quality and a long period of operation.

Shondor aerators can be used in various system of biological wastewater treatment and in different section including aeration tanks of different forms (cylindrical,rectangular,...). And also the floating type of Shonodor can be used in equlization tanks. aerated ponds, aerobic digesters, and sluge holding tanks. this unit can create a horizontal flow, in Oxidation Ditch Systems it can replace the brush aerator. These models of aerators are component enough to be widely employed in industrial and domestic treatment plants.

Here are some examples :

Domestic Treatment plants:

• International Company of Pars Products.
• Shafa Hospital in Ahvaz
• Aerospace Organization of Iran

Industrial Treatment plants :

• Pasteurized Milk Factories of Tehran
• Khoshtam Drink Factory in Qom
• Razavi Canning Factories
• Shahdab Factory in Uromieh
• Tatao Factory in Uromieh
• Industrial & Fishery region of Meyrood

Raising Pools:

• Shondor aerators are widely used in fish raising pools.

Guide table for selection the Shondor Aerator

for further information please contact us