Mechanism of electric geyser

understand and describe the working of domestic appliances

1. MECHANISM OF ELECTRIC GEYSER

2. History IT WAS THE INVENTION OF AN ENGLISHMAN NAMED BENJAMIN WADDY MAUGHAN WHO NAMED HIS INVENTION AFTER THE WELL KNOWN ICELANDIC HOT SPRING CALLED GEYSER. MAUGHAN IN TURN INFLUENCED THE WORK OF EDWIN RUDD, A NORWEGIAN MECHANICAL ENGINEER. AND IT IS HE WHO FOUNDED THE MODERN DAY ELECTRIC WATER HEATER.

3. Most electric water heaters use electric resistance elements to heat the water in the storage tank using two electric resistance elements, which are located at the bottom and top of the storage tank. Each element is controlled by an independent thermostat. electric heating element is used to heat up the water stored in a storage tank. In two element tanks the lower element provides recovery from standby losses and the upper element provides heating during periods of large hot water use. Some resistance water heaters contain only a lower element. Basic information

4. Generally, from 20 ltr to 90 ltr capacity geysers are found in the market. In the storage tank, one or two heaters are fixed. For supplying of cold or hot water, specific pipe lines are fitted with the storage tank. Basic information

5. Difference between water heater and Geyser In a way, it is not much different from a common immersion rod that we can dip into the bucket, plug into the power socket and have the water heated up. The only difference is the level of sophistication and slight automation in the geyser.

6. CONSTRUCTION OF Electric Geyser The geyser consists of a water tank fitted with two pipes – one for inlet of cold water and the other for outlet of hot water. The water tank is fitted with heating elements which are controlled by thermostats. The thermostats ensure that water is not heated above a set temperature value. The tank is normally covered with some insulating material and enclosed inside a metal casing.

7. PICTORIAL REPRESENTATION OF Electric Geyser

8. PRINCIPLE The principle on which the geyser works is simply the conversion of electrical energy into heat through the use of heating elements to raise the temperature of water through conduction of the heat to the water.

9. How does it works An electric water heater works essentially the same way as a gas water heater. It brings cold water in through the dip tube and heats it using the electric heating elements inside of the tank. The hot water rises in the tank and is moved throughout the home through the heat-out pipe . A typical water heater will use around 4000 watts. The average use of hot water in a household is around 45 gallons per day, to lower the electricity usage you can lower your hot water use.

10. Both the heating elements do not function simultaneously. First the top heating element functions until the upper tank is hot and then the function is transferred to the bottom heating element, which has its own thermostat. The thermostat is mainly a bi-metallic disc with each metal having a different co-efficient of expansion for heat. So, when it gets heated up, it bends and the contact with the switch is broken. How does it works

11. How does it works

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