spray tower वाक्य
उदाहरण वाक्य
मोबाइल
- Spray towers have been used to remove these highly soluble compounds.
- Operating characteristics of spray towers are presented in the following table.
- Like a spray tower an ejector venturi scrubber uses a preformed spray.
- A spray tower is typically used for this application.
- Spray towers have been used effectively to remove large particles and highly soluble gases.
- Low energy devices such as spray towers are used to collect particles larger than 5 micrometers.
- Therefore, spray towers use nozzles that produce droplets that are usually 500 1000 �m in diameter.
- For example, spray towers are used to remove HCl gas from the tail-gas exhaust in manufacturing hydrochloric acid.
- These devices are used much the same as spray towers-to preclean or remove particles larger than 10 ?m in diameter.
- In order to maintain low gas velocities, spray towers must be larger than other scrubbers that handle similar gas stream flow rates.
- In addition, the physical size of the spray tower will limit the amount of liquid and the size of droplets that can be used.
- Spray towers are also used for odor removal in bone meal and tallow manufacturing industries by scrubbing the exhaust gases with a solution of KMnO 4.
- Another problem occurring in spray towers is that after the droplets have fallen a short distance, they tend to agglomerate or hit the walls of the tower.
- In a spray tower, absorption can be increased by decreasing the size of the liquid droplets and / or increasing the liquid-to-gas ratio ( L / G ).
- Later Pfanni took over the premises; the " Spreda Spray Tower " built for the drying process, was renamed the " Pfanni Tower " and was made a symbol of the city.
- In a simple spray tower, the velocity of the particulates in the gas stream is low : 0.6 to 1.5 m / s ( 2 to 5 ft / s ).
- Because of their ability to handle large gas volumes in corrosive atmospheres, spray towers are also used in a number of flue-gas desulfurization systems as the first or second stage in the pollutant removal process.
- "' Figure 2 "'- Cyclonic spray scrubber Cyclonic spray scrubbers are more efficient than spray towers, but not as efficient as venturi scrubbers, in removing particulate from the inlet gas stream.
- Spray towers are constructed in various sizes small ones to handle small gas flows of 0.05 m?/ s ( 106 ft?/ min ) or less, and large ones to handle large exhaust flows of 50 m?/ s ( 106, 000 m?/ min ) or greater.
- In particular heat and mass transfer velocity is higher for equipment with higher values of gas liquid interface surface area, so gas liquid contactors with high surface area ( e . g . packed column, spray tower ) are often preferred when it is important to lower the cost of the equipment.
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