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The second wind of the Annunciation CHP

The first "swallow" of the new regional power engineering is put into operation

In 2012, the president allocated 50 billion rubles for the construction of four thermal power facilities in the Far East of Russia. Three years later, the second stage of the Blagoveshchenskaya CHP is ready for launch.

The second wind of the Annunciation CHP

At once it is necessary to make a reservation that money was allocated at a stage when it was not that the works on the site, but even the approved project, were not held by the power engineers. It took RusHydro and RAO ES of the East a whole year in order to complete the design and estimate documentation, get all the necessary approvals, create a transparent and comprehensive system of control over spending budget funds, and select a general contractor.

Another half a year was required for the work of the preparatory period - the organization of the construction site, the laying of service railroad tracks. So the construction of the second stage of Blagoveshchenskaya CHP actually began in the summer of 2014 and was completed within a year and a half. During this time, energy builders - OJSC "Power Machines" - filled the foundations for the main and auxiliary equipment, mounted a huge boiler with a height of fourteen-story house and weighing over two thousand tons, installed a turbine and a generator in the design position.

Certain reserve remained, of course, even from Soviet times - the first stage of the CHP plant was completed in 1985 year, and then the construction of the second stage started. We completed it halfway, part of the equipment was introduced and partially operated. The boiler unit №4, a chimney with flues, a cooling tower №3, partially completed the foundations for a turbogenerator №4 and a boiler № 5. And in the middle of the 1990-ies funding froze, and the construction stopped. For 20 years of technical conditions have changed significantly, so the existing foundation structures had to be dismantled and rebuilt.

“Today the station is 95% ready. Now we are adjusting engineering systems, testing electrical equipment, ”says Sergei Tolstoguzov, General Director of RAO ES of the East. - Soon, the main technological equipment will undergo comprehensive testing: the new capacities will operate in test mode for three days. The builders and employees of the station have one goal - to ensure reliable and uninterrupted operation of the CHP, and the residents of Blagoveshchensk - with warmth and comfort without any risks. This is especially true when the station is commissioned in the midst of the heating season. Today at the facility, in parallel with construction, personnel are being trained to work on new equipment. In the coming year, the station will "breathe". We will receive an updated plant with a trained staff of professionals, and residents of the city of Blagoveshchensk can already receive heat from the new power unit. There will be no more serious restrictions for consumers, which were before. "

To provide the station with personnel and as soon as possible to put the station into operation, the power engineers are trying not in vain. Blagoveshchensk city literally suffocates due to the lack of thermal energy. The issue of capacity adequacy at the Blagoveshchenskaya CHP has become particularly acute in recent years, when regional authorities, with the support of the federal government, initiated a large-scale housing program. There are two motives: increasing comfort for residents and in parallel - reducing the cost of the "square". At some point, the demand for heat has exceeded the supply, and now the city is “decorated” with numerous new buildings, waiting for technical connections with empty boxes.

At the same time RAO ES of the East literally squeezes everything possible out of the operating station. "In connection with the large construction program, which goes in the city of Blagoveshchensk, we are working today, from November to March, without a single reserve. That is, all the main equipment is included. The only reserve that we have is fuel oil boilers. But they have to be used regularly in the last two years, "the station's director, Andrei Sazanov, shared.

Fueled by fuel oil, a city provided with a normal transport infrastructure and located near large coal mines is nonsense for any economist. Involve all without exception equipment, without a reserve, - the highest operational risks for techies. However, until the 2 line of Blagoveshchenskaya CHPP is built, there is no other way out.

Energetics and are overwhelmed with applications for connection. Weekly in the "Amur Generation", which includes the Blagoveshchenskaya CHP, developers are turning, businessmen and just townspeople who decided to build a house in the city. And weekly generation services prepare bales of letters to the refuseniks of this content: "Due to the lack of free heating capacity at Blagoveshchenskaya CHP, the possibility of issuing technical conditions for the heat supply of the facility will be considered after the commissioning of the 2 line of Blagoveshchenskaya CHP." Over the past five years, the capacity of the connection, which was refused, almost equaled the volume for which permits were issued. According to experts, the heat deficit in the city is about 20% - and this is despite the fact that the existing capacities of the city heat and power plant are constantly being modernized.

In priority, of course, was the social infrastructure. To avoid an emergency, the energy sector over the years 5 artificially restrained the connection to the central heating of new consumers. And if the hospitals under construction, schools, orphans and displaced houses were attached to the system without problems, since these are priority objects, the owners of boxes, shopping or business centers, cottages did not have to rely on this — they simply refused.

So the lack of thermal capacity has become a serious deterrent for one of the most intensively developing cities in the Russian Far East. Having become one of the main centers of cross-border trade with China, Blagoveshchensk rapidly increased the population, and the Blagoveshchenskaya CHPP accordingly approached smoothly to physical restrictions on the load.

As early as in January 2016, new quarters of the regional center are expected to be connected to the second stage of Blagoveshchenskaya CHP. The problem of limiting heat will be lifted for 10 years.

Of course, with the introduction of the 2 queue, it is not possible to immediately connect everyone. We need a fairly calm, systematic work to connect new consumers, because the station can not work in “nowhere” at full capacity. Sergey Tolstoguzov noted: “We produce exactly as much as the consumer needs. Electric and thermal energy is not stored. Unfortunately, it cannot be stored as cucumbers in a jar in a cellar for a year, two or three. ”  

Part of the future staff of the second stage has already been recruited, the specialists are trained and participate in the commissioning. In total, 73 employee will be involved in the management of the new power unit, and much will be done by a computer for a person. The new power unit is equipped with an automated process control system (ACS TP). This means that the automation will independently adjust the parameters of the steam turbine plant in accordance with the power that is required from it at the moment. Also, the automated control system will ensure the stability of the units in a changing environment. This, of course, is much safer than setting the parameters manually.

At the same time, increasing the station's capacity does not mean an increase in the emission of harmful substances into the atmosphere, which is especially important in the light of the proximity of the object to the city. According to the current requirements, coal-fired plants are close to natural gas by their ecological characteristics. To reduce the impact of the Blagoveshchenskaya CHP plant on the environment, the station will use the latest technologies. Ashes emitting smoke through a chimney will be picked up by electrostatic precipitators. Filters will allow to capture up to 98,6% of particles of ash. Heavier wastes - slag - will be piped through a pneumatic duct into the water channel and sent to storage.

A number of engineering and technological solutions are also provided to reduce the emission of harmful nitrogen oxides - high-tech step combustion of fuel and reuse of gases. Automated process control system will also provide an optimal operating mode, including from the ecological point of view. The exhaust pipes will be equipped with sound attenuators. As a result, the impact of the CHP plant on the environment will practically not change.

The general contractor, OJSC Power Machines, has repeatedly stated about the uniqueness of the construction site. Roman Filippov, CEO of the company, claims that modern technology will make the station much more efficient. “This is the first turnkey project that we are implementing in Russia. All main equipment is manufactured by the companies of our holding on the territory of the country. If we talk about the turbine - it is standard, for 120 megawatts, - he explained. “But the cooling tower is higher than the ones at the station. This is important for improving the efficiency of the electrical and heating plant itself. The main difficulty of the project is to fit such a large amount of reconstruction into, in fact, the existing production. But we, together with the employees of the Blagoveshchenskaya CHPP, coped with this difficulty. "

According to the calculations of power engineers, the capacity of the new power unit only at the initial stage will allow to connect to the heat an additional 500 thousand square meters of housing - Blagoveshchensk will be able to grow a dozen new residential neighborhoods.

“Theoretically, the second phase of the Blagoveshchenskaya CHP can provide consumers even before Heihe! Where there are potential consumers, boiler houses, they can easily be transferred after entering. We have already discussed such proposals with the regional government and city authorities. We have proposals and projects, ”said Mikhail Shukailov, General Director of Far Eastern Generating Company, JSC, which will accept new capacities for operation.

Some experts say that the launch of the second stage of the CHP plant can become a driver for the development of the construction industry. Next year, for example, the heat will be able to go to almost 14 thousand standard one-room apartments. This is one and a half times more than we were able to build last year.

The coal miners are also optimistically adjusted - the load on the Yerkovetsky mine, from where the fuel gets to the station, will increase significantly. They are confident that the needs of the upgraded station will be closed. “For us, this is real. Over 3 years we can increase the volume of production in the mine somewhere by 300-500 thousand tons per year. This year we are planning to mine almost 2 million tons of coal there. Blagoveshchenskaya CHP will take 74%, ”reported in Amur Coal, which operates the mine.


After the implementation of the project for the construction of the 2 line, the installed electric capacity of the CHPP will grow by 120 MW and will amount to 400 MW, the heat output will increase by 188 Gcal / h, namely up to 1005 Gcal / h. The annual power generation will increase by 464 million kWh and will reach 1468 million kWh, and the annual heat output will increase by 730 thousand Gcal and will amount to 2854 thousand Gcal. Fuel for the station will be coal cut "Yerkovetsky" (Amur region).

Phase 2 of the Blagoveshchenskaya CHPP is one of the four projects of the investment program of PJSC RusHydro for the construction of new power facilities in the Far East, implemented jointly with PJSC RAO Energy Systems of the East in accordance with the Decree of the President of the Russian Federation. For these purposes, 50 billion rubles have been allocated from the RF budget. Comprehensive management of the activities of all subsidiaries and dependent companies of RusHydro (customer-developers), created specifically for the construction of thermal generation facilities in the Far East, is performed by RAO Energy Systems of the East (part of the RusHydro Group).

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