2014 5WM steam turbine installation and maintenance bidding

It is mainly distinguished according to the degree of temperature resistance of the steel.

A steam turbine is a rotating power machine that converts the energy of steam into mechanical work. Also known as steam turbines. It is mainly used as a prime mover for power generation, and can also directly drive various pumps, fans, compressors and ship propellers.

It can also use the exhaust steam or intermediate extraction of the steam turbine to meet the heating needs of production and life.

The high-pressure cylinder, which is an integral part of the steam turbine, is available in two types: single-flow and double-flow.

Medium pressure cylinder, it is parallel to high-pressure cylinder and low-pressure cylinder, the difference is the difference in internal pressure. In steam turbines they are generally connected to each other, and only if there are multiple shafts, they are separated. However, in order to save costs, high, medium and low pressure cylinders are all connected by a single shaft.

Low-pressure cylinders are similar to high-pressure cylinders and medium-pressure cylinders, and are an important part of steam turbines, when the steam turbine converts the thermal energy of high-temperature steam into high-speed rotating mechanical energy, and drives the generator to cut magnetic field lines and convert them into electrical energy.

How much coal does a 300MW generator need for one hour of electricity generation at full load? It mainly depends on the coal consumption of the unit for power generation, if its coal consumption is 350g kWh, then 105 tons of coal are required to generate 300MWH.

I think the landlord should know about the air door on the high water side.

The start of the internal gas on the steam side of the high plus is generally used for the first time after the unit is overhauled (many power plants are directly replaced by continuous exhaust because of the high efficiency of the deaerator), that is, when the high heating body is just started, open a few turns, and pay attention to the vacuum change of the condenser when opening the high plus gas. After the warm-up is over, you can turn off the high plus start to deflate, slowly open and fully open the high plus continuous exhaust.

The steam turbine of our factory is produced by Harbin Steam Turbine Factory. That is to say, the main steam pressure is 537

Generally, it refers to the relative internal efficiency of the steam turbine, that is, the percentage of the actual enthalpy drop and the theoretical enthalpy drop.

Answer: First of all, it is necessary to pass the brake test, the main steam door, and the tightness of the door adjustment test is qualified. Electric DAO Overdrive:

Set the speed to stop the DEH, the DEH system jumps, protect the input, set the speed to the maximum speed of 3180R min, press and hold the F2 button on the 505E, and increase the speed with the adjustment key at the same time, the speed is increased to 3270R min, and the electric overspeed is stopped. At the end of the test, the brake was re-hung and maintained for 3000r min. Mechanical speeding:

TSI jump, overspeed DEH jump, DEH system jump, protection release. The speed is set to 3180r min, hold down the F2 button of 505E, and at the same time use the adjustment button to increase the speed to the flying hammer action, and if you don't move, you will use the main valve and the adjustment valve to resist something, and make him fly! ~yyy