Power plant

FIELD: heating.

SUBSTANCE: invention relates to heat supply systems, particularly, to heat-generating plants. Power plant consists of heat engine, for instance, internal combustion engine, with, at least, one mechanic energy shaft, heat-exchangers of engine cooling, heat-exchanger of heat removal from gas exhaust, all heat-connected via the coolant circulation circuit, with, at least, one heat energy consumer, in which shaft of heat engine is kinematically connected with the drive shaft of cavitating-vortex heat-generator, which - at least, via inlet and outlet hydraulic channels - is connected to the mentioned circulation loop of coolant, for example, water. To provide self-purification of heat-exchangers, cavitating-vortex heat-generator is installed directly before the inlet to heat exchanger of heat removal from engine gas exhaust. Installation provides possibility to control power of the cavitating-vortex heat-generator at stabilised (set) rotations of engine drive shaft and possibility to control a ratio between power values removed from the engine to generate heat and electric energy.

EFFECT: enhancement of operational characteristics; expansion of functional abilities.

5 cl, 2 dwg

 

The invention relates to a heat-generating installations using heat energy from the combustion of fuel mainly for heating of the heat carrier heating systems, Paganiniana, hot water, etc. variants of such installations can also be used for the purpose of generating both thermal and electrical energy, for example, as an emergency installation.

Widely known for power generation, for example, a mobile unit for receiving hot water and steam type PPW (produced by JSC "boiler rooms h" pervomayka village of Shemonaikhinski Tambov region)used to perform repair work in the oil fields. The lack of such facilities is the difficulty of ensuring fire safety in the use of burners with an open flame to heat the heat carrier is similar.

Also known cogenerating plants based on internal combustion engines, in which thermal energy of the brine circuit system of heat energy is transferred through the heat exchangers cool the engine and heat exchanger recovering heat from the gas emission of the engine and the motor shaft kinematically connected with the generator, see, for example, a cogeneration unit, MADEC manufactured by FG Wilson (UK), capacity from 10 to 8000 kW prototype.

In these installations, the combustion is closed chambers of the internal combustion engine and the heat from the gas emission drastically reduces the temperature of the exhaust gases, which ensures high safety of such generating units.

The disadvantage of these units is to reduce the heat transfer of the heat exchanger recovering heat from gas emission due to deposits on its heat exchange surface of the soot from the exhaust gases, which requires frequent periodic cleaning them. Another disadvantage of these units is the impossibility of increasing the flow of thermal energy in situations that do not require electric power, especially in cases where the fluid in the circuit of its circulation contains solutions of salt (salt is introduced to provide for preventing the freezing of water or contain it in a natural way, otlichayushiesya on heat transfer surfaces.

There is no possibility of changing the ratio between the produced flows of heat and electric energy, including the necessary and regulation of engine power, which is often required in various operating conditions of the installations of this type.

The purpose of the invention is the elimination of the disadvantages of the prototype and the opportunity to work on the fluids containing salt solutions in water (for example, to prevent their freezing at subzero temperatures, which is necessary, for example, if the imp is to repair and emergency works); eliminate or, at least, the significant slowdown of deposits on the heat exchanger recovering heat from gas emission engine; expand the functionality of the power plant due to the receipt of regulatory capacity ratio of capacity produced by the flow of heat and electrical energy.

The problem is solved in that

in the power plant, consisting of a heat engine such as a combustion engine, with at least one take-off shaft mechanical energy, heat exchangers cooling of the engine, the heat exchanger of the heat extraction from the gas exhaustion reported by the warmth through the brine circuit with at least one consumer of thermal energy, the shaft of thermal engine is kinematically connected to the drive shaft cavitation vortex heat generator, through which at least the input and output hydraulic channels communicated with the specified circuit carrier, for example water;

- cavitation vortex generator installed directly before entry into the heat exchanger of the heat extraction from the gas emission of the engine;

the power plant is arranged to control the drive power cavitation vortex heat generator when stable (given) revolutions of the drive shaft of the engine;

- shaft engine kinematicheskaya generator, with the installation of the generator and/or cavitation vortex generator is arranged to control the ratio between the capacities, select them from the engine;

- the motor shaft is kinematically associated with the additional take-off shaft mechanical energy, for example, kinematically communicated with the mobile transmission means.

Figure 1 and 2 show examples of implementation of the proposed device.

In thermal power plant engine 1, for example internal combustion engines, see figure 1, with the shaft mechanical energy 2, provided with a heat exchanger cooling of the engine 3 and the heat exchanger recovering heat from gas emission 4, reported the warmth through the brine circuit 5 with at least one consumer of 6 thermal energy, the shaft 2 of a heat engine is kinematically connected to the drive shaft 7 cavitation vortex heat generator 8 through at least the inlet 9 and outlet 10 hydraulic channels provided in series and/or parallel with the specified circuit 5 of the coolant, for example water.

Cavitation vortex heat generator 8 is installed directly before the inlet of the heat exchanger 4 of the heat extraction from the gas emission of the engine. In the embodiment of figure 1, the heat exchanger 4 is connected directly to the output channel 10 of the heat generator 8 that due to the high frequency in which sbordone of the fluid in its passage through the heat source 8 (occurring when flowing in it of cavitation processes) leads to high-frequency excitation of the heat transfer surfaces of the heat exchanger 4 and their self-cleaning in the process of passing as exhaust gases (with one hand), and brine-coolant (with the other hand). In the General case, the heat exchangers 3 and 4 can be installed in the circuit 5, and in other areas of the greatest impact of cavitation in the fluid, i.e. can be located, for example, in the canal recirculation of the coolant 11 in the input channel 9 of the heat generator 8 for its regulatory chokes 12 and 13 (if available for the particular design) and other

The power plant is configured to regulate power cavitation vortex heat generator when stable (given) revolutions of the drive shaft of the engine, which in the exemplary embodiment of figure 1 is achieved by the inductors 12 and 13 or/and the regulation of the speed of the shaft 7 of the heat generator 8 relative to the speed of the shaft 2 of the engine 1 through the use of a transmission (or CVT) 14 installed between the shafts 2 and 7.

With the shaft 2 of the engine 1 is kinematically connected to the generator 15, and the installation of the generator and/or cavitation vortex generator is arranged to control the ratio between the capacities, select them from the engine due to the devices 12, 13 or 14.

The power generator 15 can also be adjusted and well-known electrical means, n is an example of the change of the excitation current and other

With the shaft 2 of the engine 1 additionally kinematically connected (mode on/off) additional shaft 16, see Fig 2, selection of mechanical energy, for example, kinematically communicated through an additional transmission 17 and a mobile transmission means (not shown).

The power plant can be equipped with automatic control, for example by processor 18, see figure 1, affecting the operating parameters of the installation.

When working in closed loop 5 of the brine is maintained excess pressure by means of a reducer 19 and cap (damper) 20. When working on an outdoor circuit 21 and valve 22 is closed and the input gear 19 is connected to an appropriate source of fluid, for example water. In this case, the power plant can operate in the mode of hot water or progenerative.

Thus when the engine 1, the coolant circuit 5 or 21 is heated by heat from the engine via a heat exchanger 3, the heat from the exhaust gases through the heat exchanger 4 and heat cavitation vortex halogenerators 8, the driven shaft 2 of the engine. If necessary, the required part of the engine power can be transmitted to the electric generator 15, or Vice versa.

By reducing the heat demand of RA is considered a multifunctional power plant allows to increase the capacity of the generator 15.

Self-cleaning heat exchangers due to exposure to high-frequency spectrum excited in the heat 8 heat carrier, allows to increase the time of non-stop operation with different types of fluids.

1. Power plant, consisting of a heat engine, for example, internal combustion engine, with at least one take-off shaft mechanical energy, heat exchangers cooling of the engine, the heat exchanger of the heat extraction from the gas exhaustion reported by the warmth through the brine circuit, with at least one consumer of thermal energy, characterized in that the shaft of thermal engine is kinematically connected to the drive shaft cavitation vortex heat generator, through which, at a minimum, the input and output hydraulic channels communicated with the specified circuit carrier such as water.

2. Power plant according to claim 1, characterized in that the cavitation vortex generator installed directly before entry into the heat exchanger of the heat extraction from the gas emission of the engine.

3. Power plant according to claim 1, characterized in that the power plant is configured to regulate power cavitation vortex heat generator when stable (given) revolutions of the drive shaft of the engine.

4. Power plant according to claim 1, characterized in that the IC engine is kinematically connected to the generator, with the installation of the generator and/or generator is arranged to control the ratio between the capacities, select them from the engine.

5. Power plant according to claim 1, characterized in that the motor shaft kinematically connected with additional take-off shaft mechanical energy, for example, kinematically communicated with the mobile transmission means.



 

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FIELD: mechanical engineering.

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Power plant // 2200241
The invention relates to the field of engine construction, namely, the power plants based on diesel engines for the generation of electric energy

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Power plant // 2255238

FIELD: mechanical engineering.

SUBSTANCE: invention relates to power plants on base of diesel engines including exhaust gas heat recovery systems. Proposed power plant contains diesel engine connected with electric generator, tank for hydrocarbon material, main line to deliver hydrocarbon material, heat exchanger for fuel oil, tanks fir fuel oil and light fractions of fuel, heater and flash column, flash column is arranged inside heater housing, and heating element is arranged in space between heater housing and flash column. Heating element is connected with atomizer arranged inside flash column. Gas intake and gas outlet branch pipes of heater communicate with space between heater housing and flash column, and branch pipes to let out light fraction and fuel oil communicate, respectively, with upper and lower parts of inner space of flash column. Hydrocarbon material supply branch pipe communicates with inner space of heating element. Gas intake and gas outlet branch pipes are connected, respectively, with outlet branch pipe of diesel engine and exhaust pipe, and branch pipes to let out light fractions and fuel oil are connected, respectively, with cooling heat exchanger and with fuel oil heat exchanger. Branch pipe to supply hydrocarbon material is connected with hydrocarbon material delivery main line.

EFFECT: reduced heat losses in exhaust gas heat recovery systems designed for producing fuels from hydrocarbon raw material, improved efficiency of heat recovery.

2 cl, 2 dwg

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