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What type of chiller uses a screw type impeller?
centrifugal chiller
What is mean by economiser recirculation line?
Since sufficient feedwater is not supplied into the economizer though the heat is absorbed from flue gas at the boiler start-up and low load operation, steaming may occur in the economizer. Therefore the economizer recirculation line is provided between the furnace downcomer and the economizer inlet feedwater piping. This line provides the recirculation flow between the drum, the downcomer and the economizer so as to prevent steaming in the economizer. Economizer recirculation valve is only opened at initial stage of the boiler start-up.
What is a function of deaerator?
deaerator is a device used to remove dissolved oxygen and carbondi oxide in boiler feed water. it causes scaling inside the boiler tubes and economizer also.
What is the function of the impeller in a centrifugal pump?
Impeller make the flow has velocity in a centrifugal pump. The purpose of pump is increasing the pressure. The flow has velocity envergy via impeller and the energy change to pressure energy in diffuser.
Who invented centrifugal pump?
professor Auguste Rateau invented the centrifugal compressor,by 1899
What type of chiller uses a screw type impeller?
centrifugal chiller
The material that's used in an absorption-type chiller is?
york centrifugal chiller material
What chiller that uses a screw type impeller is the?
centrifugal
Which air conditioning is the most famous?
My opinion. Carrier centrifugal chiller. First put in service in the teens of the nineteenth century.
What is mean by economiser recirculation line?
Since sufficient feedwater is not supplied into the economizer though the heat is absorbed from flue gas at the boiler start-up and low load operation, steaming may occur in the economizer. Therefore the economizer recirculation line is provided between the furnace downcomer and the economizer inlet feedwater piping. This line provides the recirculation flow between the drum, the downcomer and the economizer so as to prevent steaming in the economizer. Economizer recirculation valve is only opened at initial stage of the boiler start-up.
What is the purpose of the economizer in a boiler?
Economizers (US), or economizers(UK/international), are mechanical devices intended to reduce energy consumption, or to perform another useful function such as preheating a fluid. The term economizer is used for other purposes as well. Boiler, power plant, and heating, ventilating, and air-conditioning (HVAC) uses are discussed in this article. In simple terms, an economizer is a heat exchanger.
Why is the economizer constructed with fins?
Fins are a relatively easy and inexpensive way to increase the heating surface of an economizer. By utilizing fins it is possible to reduce the economizer footprint while achieving the desired performance.
Do you prefer a centrifugal compressor over a screw compressor?
Screw chiller running with a male & female blade,Centrifugual chiller running with an impeller. Screw chiller are very reliable on more load like more than 200 tr ,its less consumption comapare to other chillers.
What is the working of economizer in a boiler plant?
Economizer is a device in which the waste heat of the fuel gases is utilized for heating the feed water.
What is an antonym for wastrel?
Economizer, Penny-Pincher
What is the function of economizer in bent tube boiler?
The flue gases, after leaving the main boiler and the superheater, will still be hot. The energy in these flue gases are used to preheat the already preheated feed water once more by means of the economizer. The economizer is a heat exchanger mounted in the first part of the chimney to improve the thermal efficiency of the boiler. In broad terms a 10°C increase in feed water temperature entering the boiler will give an efficiency improvement of 2% of last mentioned.
What is a function of deaerator?
deaerator is a device used to remove dissolved oxygen and carbondi oxide in boiler feed water. it causes scaling inside the boiler tubes and economizer also.
