Autonomous heating system and electricity

 

(57) Abstract:

The device is intended for use in Autonomous systems of heat and electricity. Diesel generator is equipped with a heat exchanger of the exhaust gas. Electrical hydro generator is connected to a diesel generator, and exits heat exchanger exhaust gas and hydro-mechanical heat generator connected to the heating system through the injector, an active flow which is the flow of water from the heat exchanger the exhaust gas. The proposed system in addition to reducing the consumption of primary energy (fuel) and reduces harmful emissions into the atmosphere. 1 Il.

The invention relates to a power system, is intended for use in Autonomous systems of heat and electricity.

Known hydromechanical generators, in which the electrical energy required to drive the pump, is transformed into heat due to the cavitation phenomenon occurring upon actuation of the pressure generated by the pump speed up the flow of water and its subsequent inhibition. The water temperature at the outlet of the heat source reaches 150oC. (Patent of Russia 2045715 "Teploenerosnabzhenie" presents the scheme of the heating system with hydro-mechanical heat generator, the electric pump which is powered from the mains. The disadvantage of the schemes of heat supply is the low efficiency of the primary energy source.

It is known that the efficiency of power generation in thermal power plants does not exceed 35-38%; taking into account losses in the transmission lines, transformers and electricity distribution networks efficiency on primary fuel burned in the power plants, the consumption of electrical energy is 25-28%.

The ratio of electricity to heat and hydromechanical generators described above 1.5. Currently, when tested hydro-mechanical generator, Rubtsovsk, using the process of cavitation and resonance is reached, the transformation ratio of 2.5. (Newspaper "Altai Pravda" 12.11.1998 year).

The fuel utilization ratio hydromechanical boiler fuel in the first case will be: 1,5 0,25 = 0,375 or 40%; in the second case: (2,5 0,25) 100 = 62,5%.

Modern heating boilers Western firms provide utilization of fuel burn up to 93-95%.

Known Autonomous system of electricity and heat supply, predstaviteley electric and thermal energy 1:1,6.

For example, consider the module power station performance company CASPOWER information material is attached.

Utilization of fuel diesel engine in the mode of generation is equal to 35%. When working in source mode Autonomous supply and the fuel utilization ratio is increased to{0,35 (1 + 1,6)} 100% - 91%, i.e., achieves an efficiency of modern boilers.

It is known that the Autonomous heating systems require much lower costs of construction and operation, prevent significant heat loss in the long heating systems with poor insulation, making the cost of heat generation is reduced by 3-5 times. (A comprehensive programme for the implementation of Autonomous heating systems. JSC rosgazificatsiya. 1997).

In order to increase the efficiency of the heat source in a system of Autonomous heat and electricity. This solution is based on joint work diesel power plant with waste heat of exhaust gas and hydro-mechanical generator.

The drawing shows a functional diagram of the Autonomous system of electricity and heat supply.

Autonomous system of electricity and heat supply is as follows.

When the circulation pump 6 is cooled in the heating radiator 8 water is supplied by two parallel threads in hot water heaters - heat recovery heat exchanger 5 and hydro-mechanical heat generator 2. Hydraulic losses in the heat-recovery heat exchanger 5 is negligible, equal to its hydraulic resistance, at the same time, hydraulic heat generator 2 hydraulic energy of the water stream is converted to heat and, therefore, accompanied by a significant decrease of the pressure at the outlet of the heat source. To negotiate significantly different hydraulic pressures of the heaters 2 and 5 with the pressure in the delivery pipe of the heating system is the injector 1, the active flow which is the flow of the heat exchanger 5, and the passive is the flow of the heat generator 2. Excess is about helping to increase the capacity of the heat source of heat, in connection with the increase of the useful creativesage pressure in the heat.

Automatic control system maintains the temperature at the outlet of the heaters 2 and 5 in accordance with a specified thermal schedule.

The proposed Autonomous system of electricity and heat supply increases the fuel utilization ratio up to 140-145%, as can be seen from the calculation. The efficiency of a diesel engine operating mode of the diesel generator set reaches 35%. When the waste heat of the exhaust gas received thermal energy exceeds 1.6 times the electricity at the rate of transformation of electric energy into heat equal to 2.5. Thus, in terms of thermal energy of the fuel utilization ratio will be 0.35 (1,6 + 2,5) - 1.44 or 144%, which is comparable with all currently known heat settings.

Abnormal generation of heat generated by forced movement of water, followed by cavitation, can be explained by physical processes in nuclear-atomic level.

Sources of information

1. "The phenomenon of cavitation and the problem of generation of heat in liquids". L. C. Larionov and other Explosives and pyrotechnics. Sat neutrons at cavitation effects on datareaders environment". A. G. Lipson, and other tech-1990-T16-N 19, pp. 89-93.

Autonomous heating system and electricity supply, including diesel generator with heat exchanger exhaust gas and hydro-mechanical heat generator, wherein the electrical hydro generator is connected to a diesel generator, and exits heat exchanger exhaust gas and hydro-mechanical heat generator connected to the heating system through the injector, an active flow which is the flow of water from the heat exchanger the exhaust gas.

 

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SUBSTANCE: steam from electric steam generator is delivered to jet apparatus nozzle where it is mixed with cold liquid flow for forming two-phase flow at acceleration to supersonic velocity. At mixing chamber outlet, this two-phase flow is decelerated for forming shock wave and converting the flow into liquid flow after shock wave. Then, flow is divided and one part is directed to heat exchanger of vortex tube where it is heated and directed for replenishment of electric steam generator. Other part is directed to nozzle apparatus where it is accelerated to supersonic velocity for forming two-phase flow, after which it is decelerated for converting it into liquid flow saturated with micro-bubble component. Nozzle apparatus outlet is connected with swirler inlet where vortex flow is formed; from swirler, flow is directed to vortex tube where heat is released and flow is divided into hot and cold components. From vortex tube, flow is directed to heat exchanger for transfer of heat to second loop; cooled liquid flow is directed to ejector inlet.

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