Kostroma GRES tour

• Kostroma GRES Tour

Kostroma GRES - the pride of the Russian energy sector, one of the largest thermal power plant in Europe, which has federal status and generates an annual 3% of all electricity produced in the country.

Today I'll show you pictures from the station, unit "one million", the inside of the boiler, as well as tell you about an innovative enterprise for repair and restoration of electric power equipment.

The station is located in Volgorechensk that emerged in the sixties with its construction. With its picturesque but unpretentious town called Soviet power industry stands out against the old Russian place names Kostroma land - among the cities such as Bui, Kologriv, Nerehta, Ney, Soligalich Chuhloma, Sharia and others.

Third chimney Kostroma GRES (right in the photo), 320 meters high is one of the highest industrial facilities in Russia and 23rd adjustment pipe in the world.

In the sixties, a special commission has studied many areas from Gorky to Rybinsk to build a large power plant, which is "energized" to several regions of Central Russia, and only the fifteenth time found the perfect place - the mouth of the river at Saci its confluence into the Volga. The choice influenced by three main factors: energy power shortage in the surrounding areas, rich in water resources and convenient transportation infrastructure.

From June 1969 to June 1973 were built 8 units with a capacity of 300 MW. And the construction of the world's largest power 1200 MW in 1975. Actually he was captured in a photograph.

boiler-turbine plant number 2. The power unit was unique in every way: in power, according to the dimensions of structures on the characteristics of some alloys, specially created for him.

In 1980, December 31, "one million" was commissioned and became the most economical power units. The total capacity of the Kostroma GRES reached 3600 MW. For example, the Sayano-Shushenskaya hydropower plant, Russia's largest hydroelectric power plant, produces 6400 MW.

The turbine 72 meters in length is composed of five stacked cylinder and rotates at a speed of 3000 rpm.

Turbine bearing unit № 9. Turbine blades of such a length that their upper part, rotating, running circumferentially almost twice the speed of sound.

High-pressure heaters.

To date, the plant employs about one thousand people.

The boiler is suspended on seven powerful beams at a height of 25-storey building, is able to produce almost 4,000 tons of steam per hour.

pipeline and creative greetings from insulators, plumbers.

block unit control room number 9 (1200 MW).

Another station housing 8 where the power of 300 MW. Despite its venerable age of forty years, the computer room and all the equipment looks clean and well maintained.

June 11, 1969 at 9 o'clock 47 minutes torch was lit on the first boiler.

October 3, 2003 0 hours, 17 minutes, developed a jubilee 500 billion kilowatt-hours of electricity.

Sewer boiler.

The height of the boilers of 300 MW-nicks reaches 42 meters. Elevators in the boiler-turbine house has eight stops marks.

In the literal sense of the expression "sucks" brings it here.

The firebox of the boiler burners with eight power devices. The temperature in the boiler reaches 1200 ° C, steam temperature - 545 ° C, pressure - 255 kg / cm². On each side has 6 gas burners, almost the same as at home, just a little more. Again, the height of the boiler with about 12 floors.

The entire working process TPP in the same sentence: this power plant that produces electricity by converting chemical energy of the fuel (natural gas) into mechanical energy of rotation of the generator shaft.

A boring if no, then the meaning is: a large high-boiler fed by pumping gas (fuel), water (steam generation) and the air for combustion.

In the boiler furnace burns gas, highlighting at the same time a lot of heat. The inner walls of the boiler envelops large and complex pipe system through which water flows. The water is heated to boiling temperature, and evaporates.

A further superheated steam obtained by boiling over a temperature and pressure is fed into nonhuman steam turbine rotating rotor. The potential energy of the compressed and heated to a high temperature steam is converted into kinetic energy of the turbine rotor, which drives the electric generator. The kinetic energy of the rotor of the generator is converted into an electric current. It's simple.

Now, when I turn on the kitchen light, it goes through the whole process of producing electricity and as a result in front of his eyes for a split second - pyk - light comes on.

The central control panel.

The control panel is beautiful and clear.

The operational scheme of PAA.

Dmitry namesake. The electrical shift supervisor. It is working at the station for 15 years.

The design of the plates.

Major steam turbine repair. Any equipment have a specific resource, after which you need to carry out any repair or replacement.

Here for example, conventional block valve spindles. On the left - a copy after the operation, and on the right, the attention is not new (as you might initially think), and restored! The reconstructed high-speed flame spraying method.

The main reason a trip to the hydroelectric power station was put into operation innovative enterprise "Inter RAO - Coating Center".

The center will repair and restoration of electrical equipment and components. Using the developed technologies will increase the service life of the turbine blade in 2 times, and increase the efficiency of power plants.

The photograph clearly seen two steam turbine rotor blade edge - worn and recovered.

laser cladding method consists in creating on the surface of the clad layer articles from a powder material with a laser beam. High energy and concentrated laser beam can create durable high-density coating.

The new technologies make it possible not only to protect the blades of steam turbines from parokapelnoy erosion, but also make it possible to fully restore the geometry of the worn edges of rotor blades.

The use of laser enables the process of restoration surfaces dosed with minimal thermal effect on the base material and without preheating, that does not lead to deformation of the part.

What pleases, the technology developed by Russian scientists and has no analogues in the world. work our scientists, mostly under the age of 30 years in the center of the coating.