Heat electric power supply system (versions)

FIELD: power engineering.

SUBSTANCE: heat electric power supply system consists of heat energy use sub-system, straight and return main pipelines of heat network, circulation circuit of heat carrier of centralised heat supply at least with one heating unit of the building, and electric power supply sub-system. At that electric power supply sub-system consists of power plant; power lines; at least one liquid transformer consisting of at least one winding; tank with transformer liquid; circulation pump; and separating heat exchanger the secondary circuit whereof is equipped with circulation pump. When the above circulation pump is in operation, heat carrier of secondary circuit of separating heat exchanger is supplied to one heating unit of the building, which is connected to secondary circuit of separating heat exchanger. Version of heat electric power supply system is described as well.

EFFECT: improving efficiency, ecological properties and reliability of the system, fuel calorific capacity fully used by centralised heat supply source, and effectiveness of heat removal from transformers, reducing temperature loads on electrical part of the system during intense ambient temperature decrease, cost of operation and overall dimensions of electrical transformers.

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The technical field

The invention relates to a thermoelectric power, in particular to a district heating and electricity for residential, public and industrial buildings and structures.

The level of technology

Currently, there are various systems of Central heating and electricity.

The analogue of this system can be considered:

system teploelektrostanciya by the RF patent №2174610, MKI F01K 17/02, op. 2001.10.10, including direct and reverse pipelines thermal network, the brine circuit Central heating.

The disadvantages are the counterpart: insufficient reliability of the electrical part of the system, the increased dimensions of electrical transformers, high temperature load on the electrical parts of the system during periods of intensive lowering of the ambient temperature, lack of sustainability, lack of effectiveness of heat removal from the transformers, insufficient use of calorific value of fuel, lack of system efficiency, increased costs of operating the system.

The closest analogue for the proposed system is integrated with the power supply system of the district heating system according to the patent of Russian Federation №2168113, MKI F24D 3/12, op. 2001.05.27, including p. the pit and return pipelines of the heating network the brine circuit Central heating.

Disadvantages closest counterpart are not sufficiently high reliability of the electrical part of the system, the increased dimensions of electrical transformers, high temperature load on the electrical parts of the system during periods of intensive lowering of the ambient temperature, lack of sustainability, lack of effectiveness of heat removal from the transformers, insufficient calorific value of fuel, lack of system efficiency, increased costs of operating the system.

The closest analogue for the proposed method can be considered a "Method of operating thermal power station" RF patent No. 2174610, MKI F01K 17/02, op. 2001.10.10, including power production and delivery to consumers of electrical energy, heating system water and delivery to consumers of thermal energy through pipelines thermal network.

Disadvantages closest counterpart are not sufficiently high reliability of the electrical part of the system, the increased thermal load on the electrical system during periods of intensive lowering of the ambient temperature, lack of sustainability, lack of use of the calorific value is opleve, insufficient system efficiency, increased costs of operating the system.

Similar to the proposed transformer can be considered as a transformer with liquid cooling, the construction of which is described in "Khudyakov THE installation and maintenance of transformers. M.: Higher school, 1971, 240 S." on pages 109-111, including winding, transformer tank with liquid, a circulation pump and air heat exchanger with fans.

The disadvantages are the counterpart: increased overall dimensions of the transformer, lack of reliability of the transformer, the lack of efficiency of heat transfer from the transformer.

The closest analogue of one embodiment of the proposed transformer can be considered as a transformer liquid with a water cooler ("the powerful"), the construction of which is described in the "Waldeck A.I. of the Electric machine. L.: Energy, 1978, 832 S." on page 259, including winding, transformer tank with liquid, a circulation pump and a water heat exchanger.

The closest analogue of one embodiment of the proposed transformer can be considered as a transformer liquid with an air cooler with a nominal full capacity of 10÷60 MB·A, the construction of which is described in the "Waldeck A.I. of the Electric machine. L.: Energy, 1978, 832 S." on page 259, comprising a winding, a tank of the transformer is atorney liquid, fan and tube cooler.

The disadvantages are the closest analogues are: increased overall dimensions of the transformer, lack of reliability of the transformer, the lack of efficiency of heat transfer from the transformer, increased cost of operations.

Disclosure of inventions

In existing systems, teploelektrostanciya in periods of intensive lowering of the ambient temperature often consumers of heat and electricity, such as individuals, for space heating uses receiver-consumers of electrical energy. This, in turn, increases the load on the electrical system teploelektrostanciya, in particular a transformer that converts high voltage to low voltage, operating in the mode of increased heat loads that can cause the output transformer to fail. An example of developments in this scenario can serve as an emergency power cut in several districts of Moscow in may 2005 due to the accident at the transformer substation in Chagino.

The use of a "feedback" will allow the removal of thermal energy emitted by transformers in the heated areas, which under the above described conditions enables the receiver-consumers who elektricheskoi energy, faster to reach a comfortable temperature, disable involved receivers-electric consumers energy and reduce the load on the electrical system teploelektrostanciya.

The objective of the invention is to improve the system teploelektrostanciya.

Technical results of the invention:

1) increase the efficiency of the system;

2) enhancement of the environmental performance of the system;

3) improving the reliability of the system;

4) improving the completeness of the calorific value of the fuel source district heating;

5) reducing thermal loads on the electrical part of the system during periods of intensive lowering of the ambient temperature;

6) reducing the cost of operation of the system;

7) reduction of overall dimensions electrical transformers;

8) improving the efficiency of heat removal from the transformers.

Technical results achieved by the fact that the system teploelektrostanciya contains the subsystem heat with the forward and reverse main pipelines of thermal networks, the brine circuit / district heating at least one heater of the building subsystem power supply contains a power plant, transmission line, at least one transformer liquid, comprising at least one of us is with and separating the heat exchanger, secondary circuit of which is connected, at least one heating unit in a building or at least one low-temperature system heat consumption of the building.

Technical results can be achieved also by the fact that the heater of the building, connected to the secondary circuit dividing the heat exchanger of the transformer, the low temperature.

Technical results are achieved also by the fact that the way the system teploelektrostanciya is that produce and deliver to consumers of electric and thermal energy, and thermal energy emitted by transformers, divert heated in the heating subsystem of the room.

Technical results achieved by the fact that the transformer liquid contains at least one winding, transformer tank with liquid, a circulation pump and dividing the heat exchanger, and the secondary circuit is equipped with a circulating pump, and the coolant in the secondary circuit of the separation of the exchanger when the mentioned circulating pump, at least one heating unit in a building or at least one low-temperature system heat consumption of the building.

Technical results achieved by the fact that the transformer liquid contains at least one of obmo the ku, a tank of transformer fluid and is connected to the air circuit of the transformer supplying heated air into the heated at least one heating appliance of the building or premises.

Technical results achieved by the fact that the transformer contains at least one winding and is connected to the air circuit of the transformer supplying heated air into the heated at least one heating appliance of the building or premises.

Brief description of drawings

Figure 1 shows the system diagram of teploelektrostanciya liquid transformer and a liquid heat exchanger of the transformer.

Figure 2 presents the diagram of the system of teploelektrostanciya liquid transformer and an air heat exchanger transformer.

Figure 3 presents a diagram of the system of teploelektrostanciya with a dry transformer and an air heat exchanger transformer.

The implementation of the invention

System teploelektrostanciya contains a subsystem for use of thermal energy, including direct 1 and 2-reverse pipelines thermal network, the brine circuit / district heating at least one heating device 3 building 4, subsystem power supply contains a power plant 5, line 6, at IU is e, one transformer 7, for example a liquid, comprising a circulation pump 8 and dividing the heat exchanger 9, the secondary circuit 10 which is connected, at least one heating device 11 (3) of the building or at least one low-temperature system heat consumption of the building.

The heater 3 buildings connected with the secondary circuit dividing the heat exchanger of the transformer 7 may be made of low temperature.

The transformer 7, for example a liquid that contains at least one winding 12, the tank 13 with transformer fluid 14, the circulation pump 8 and dividing the heat exchanger 9, and the secondary circuit 10 is equipped with a circulating pump 15, and the secondary coolant circuit 10 of the separation of the heat exchanger 9 at work mentioned the circulation pump 15 is supplied, at least one heating device 3 (11) building 4 or at least one low-temperature system heat consumption of the building.

The transformer 16 liquid contains at least one winding 12, the tank 13 with transformer fluid 14 and is connected to the air path 17 supplying heated by the transformer 16 of the air in the heated at least one heating device 3 building 4 or premises.

The transformer 18 includes at least one winding 12 and is connected to the hcpa what's the contour 17 of the transformer supplying heated air to be heated, at least one heating device 3 building 4 or premises.

The heating subsystem may include Central heat substation 19.

System teploelektrostanciya works as follows. Produce and deliver to consumers of electric and thermal energy, respectively subsystems of heat and electricity, and allocated transformers 7 (16, 18) in a warmed engine heating space 4.

The manufacturing system elements teploelektrostanciya can be made from known components and materials and well-known methods.

The connection elements teploelektrostanciya can be carried out with known methods.

Thus, the system teploelektrostanciya allows to achieve the above technical results.

1. System teploelektrostanciya containing the subsystem using thermal energy, forward and reverse pipelines thermal network, the brine circuit / district heating at least one heater of the building, and the subsystem power supply, characterized in that the subsystem power supply contains a power plant, transmission line, at least one transformer liquid containing at least one winding, the tank with ransformatornuyu liquid, the circulation pump and the separator heat exchanger, secondary circuit which is equipped with a circulating pump, and the coolant in the secondary circuit of the separation of the exchanger when the mentioned circulating pump, at least one heater of the building, connected with the secondary circuit of the separation of the heat exchanger.

2. The system according to claim 1, characterized in that the heater of the building, connected with the secondary circuit dividing the heat exchanger of the transformer is low.

3. System teploelektrostanciya containing the subsystem using thermal energy, forward and reverse pipelines thermal network, the brine circuit / district heating at least one heater of the building, and the subsystem power supply, characterized in that the subsystem power supply contains a power plant, transmission line, at least one transformer liquid containing at least one winding and the transformer tank with fluid, and connected with an air circuit supplying heated air to be heated, at least one heating device, building or premises.



 

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