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one main reason of treating cooling tower water is the presence of substances that can cause corrosion. what we do is eliminate the corrosive agents.
well corrsoion is one of the reasons,it may cause chocking,blocking in the pipes which then will restrict the flow and cause severe damage
What else can I help you with?
What is approach of a cooling tower?
Cooling towers are a very important part of many chemical plants. The primary task of a cooling tower is to reject heat into the atmosphere. They represent a relatively inexpensive and dependable means of removing low-grade heat fromcooling water. The make-up water source is used to replenish water lost to evaporation. Hot water fromheat exchangers is sent to the cooling tower. The water exits the cooling tower and is sent back to the exchangers or to other units for further cooling. Cooled water is needed for, for example, air conditioners, manufacturing processes or power generation. A cooling tower is an equipment usedto reduce the temperature of a water stream by extracting heat from water and emitting it tothe atmosphere. Cooling towers make use of evaporation whereby some of the water is evaporated into a moving air stream and subsequently discharged into the atmosphere. As a result, the remainder of the water is cooled down significantly (Figure 1). Cooling towers are able to lower the water temperatures more than devices that use only air to reject heat, like the radiator in a car, and are therefore more cost-effective and energy efficient.
What is a Water Treatment Operator?
water treatment plant operator is a big need in our country people need safe water to drink. Many sources are not suitable to drink. That's where a water treatment operator play a big role in the picture. They can treat water so that it is safe to drink in their towns, communities, cities, and where ever water need to be treated. Treatment plant operators work indoors and outdoors and maybe exposed to noise,unpleasant odors, and hazadous conditions as well. Plants operates 24 hours 7 days a week. They run different test to make sure they destroy harmful bacteria,micro organism and alge. If you fail to do your job, you could be responsible for an out break of a water borne disease which could even result in death. The projected employment for treatment operators by 2018 is135,900 according to the Projection Data from the National Employment Matrix. Plant operators must be familiar with the regulations to processing good drinking water that are handed down by the U.S Environmental Protection Agencies.
How do you make kdf media 55?
To make KDF media 55, you start with a blend of copper and zinc granules, typically in a 50:50 ratio. This media is then processed to create a porous structure that enhances its filtration capabilities. The media is often used in water treatment systems to remove chlorine and hydrogen sulfide, as well as to reduce heavy metals. Ensure you follow the manufacturer's guidelines for proper handling and application in your specific water treatment setup.
How do you make a straw tower?
To make a straw tower, you'll need straws, tape, and scissors. Start by cutting the straws into different lengths for various levels of your tower. Use tape to connect the straws at their ends, creating a sturdy base and building up from there. Ensure the structure is balanced, and feel free to experiment with shapes and designs for added stability.
Why was the tower of babel built?
The Tower of Babel was built because the descendants of Shem, Ham and Japeth wanted to make a name for themselves. They also didn't want to be split apart into the world
What is approach of a cooling tower?
Cooling towers are a very important part of many chemical plants. The primary task of a cooling tower is to reject heat into the atmosphere. They represent a relatively inexpensive and dependable means of removing low-grade heat fromcooling water. The make-up water source is used to replenish water lost to evaporation. Hot water fromheat exchangers is sent to the cooling tower. The water exits the cooling tower and is sent back to the exchangers or to other units for further cooling. Cooled water is needed for, for example, air conditioners, manufacturing processes or power generation. A cooling tower is an equipment usedto reduce the temperature of a water stream by extracting heat from water and emitting it tothe atmosphere. Cooling towers make use of evaporation whereby some of the water is evaporated into a moving air stream and subsequently discharged into the atmosphere. As a result, the remainder of the water is cooled down significantly (Figure 1). Cooling towers are able to lower the water temperatures more than devices that use only air to reject heat, like the radiator in a car, and are therefore more cost-effective and energy efficient.
How do you make a water tower stable?
with metal
What kind of specifications should I be aware of before looking for a cooling tower rental?
You will want to check your system to make sure you get a tower that is compatible with it. Take measurements as well.
How cooling can change the water?
it can make water frozen. you should know this its common sense
Why a long hot summer such would affect the demand for water?
do you have brains? do you know about evaporation by the heat? K.9.R.LLawn, farming Irrigation, pools, more showers, baths, laundry, cooling tower make up from stratification of water, open fire hydrants
What would make a piece of candy dissolve slower?
cooling the water
How do you make a cooling headband?
To make a cooling headband, you can soak a bandana or fabric headband in cold water, wring out the excess water, and place it in the refrigerator or freezer for a few minutes before wearing. You can also sew pockets into the headband to insert cooling gel packs. Another option is to use specialized cooling fabrics that you can wet and wear for a cooling effect.
What conclusion can you make about the effect of the evaporation on cooling?
what is the conclusion of evaporate rate water
What is Oregon's water treatment guideline's?
Any water treatment guidelines refers to the processes used to make water more acceptable. The Oregon water treatment guideline includes filtering, mechanical, biologiacal and chemical methods.
Do you need a 9volt battery to make a crystal?
No. You can make a crystal by dissolving something such as salt into hot water until no more will dissolve, and then cooling the solution. Or by dissolving something such as salt into water and gradually evaporating the water away, or by cooling a liquid , or a vapour below its triple point.
Why does water water make it a very good substance for use in cooling systems of automobiles?
Water circulates in the motor, absorbing heat , which is dissipated through the radiator,thus cooling the engine. Water is not the best for this use..Propylene Glycol [Antifreeze] is better
Cycle of concentration in cooling tower?
Cooling Tower Cycles of Concentration As pure water is evaporated, minerals are left behind in the recirculating water. As evaporation continues, the water becomes more concentrated than the original make up water. This eventually can lead to saturated conditions. The term cycles of concentration compares the level of solids of the recirculating cooling tower to the level of solids of the original raw make up water. If the circulating water has four times the solids concentration than that of the make up water, then the cycles are 4. Bleed off is the process of removing a portion of concentrated recirculating water, which is obviously replaced with fresh make up water. By specifying a certain amount of bleed off we limit the cycles of concentration the system can operate at, thus controlling scale formation. Various treatments will let us operate at various cycles depending on the make up water analysis and heat loading of the tower. Bleed off is critical to a successful treatment program. The preferred method of bleed off control is with the use of automated bleed off control. This includes a contacting head water meter, dual timer, chemical pump and solenoid controlled bleed off line. A) Evaporation Loss: from a cooling tower (E) = .001 (Cr) (DT) where Cr = circulation rate in gallons per minute and D T = temperature differential between hot and cold water in °F. The evaporation rate amounts to 1% of the recirculation rate for every 10°F DT. B) Windage Loss: This is a relatively small amount of entrained water lost as fine droplets in the air discharge from a tower. Unlike evaporation which does not contain dissolved impurities windage carries these impurities with it and reduces dissolved solids in the circulating water. Typical values are 0.1% to 0.3% of the circulating rate for mechanical draft towers. C) Bleed off: In the evaporation process the non volatile impurities in the make up water are concentrated. To prevent excessive concentration some of the circulating water must be removed from the system. This is commonly referred to as bleed off or blowdown. The amount of bleed off can be determined from the following equations: % B (bleed off) + % (windage) = % E (evaporation loss) / ( cycles -1) D) Cycles: The previous equation added a new turn to the mix . CYCLES!!!!!!!! This is one of the most difficult terms to understand. I will now attempt to define cycles of concentration. The NACE defines it as: A measure of the degree to which dissolved solids are being concentrated in the circulating water. It is in effect the inverse of blowdown. As pure water is evaporated all of the solids are left behind so they concentrate in the cooling tower water. If we start out with fresh water the tower has one cycle of concentration. When all the fresh water is evaporated ( solids are still in the tower) the tower then refills itself with more fresh water and we have twice the solids in the tower. We now have two cycles of concentration. This process will proceed and scale will form at a certain point. We use bleed off to prevent the tower from reaching the point of scale formation. In an actual tower, this is an ongoing process with continuous addition of make up water and continuous bleed off. The allowable cycles of concentration will be determined by the laboratory. They are based on water analysis, heat transfer rate of the equipment, and feed equipment present. We normally use chloride to determine the number of cycles a tower is operating at. The following equation can be used for this calculation: Chlorides in tower water / Chlorides in make up water = Cycles of concentration For example, a tower operating at a 450 gallons per minute recirculating rate (Cr) , 5 cycles of concentration, 10° DT, and 0.1% windage loss: %B + .1% = 1% / (5-1) which is %B = .25% - .1% therefore %B = .15% of the circulating rate. %B = 0.15% ( 450 gallons/minute) which is 0.675 gallons of bleed off /minute. Total make up water requirements for the system are: Bleed off 0.675 gallons per minuteEvaporation 1% (450 gallons/minute) = 4.5 gallons/minute Windage 0.1% (450 gallons/minute) =.45 gallons/minute Total make up water = 5.625 gallons/minute Total make up water per hour is = 60 minutes/hr. ( 5.625 gallons per minute) = 337.5 gallons per hour. As you can see the higher the cycles the less make up water and blowdown are required. This is true to a certain point where additional cycles do not decrease the amount of make up water and blowdown as drastically. The following graph illustrates the point. As you can see at about 4.5 cycles the curve starts leveling off which indicates higher cycles will not effect the quantity of make up water drastically.
