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INVENTION
Russian Federation Patent RU2170885
SYSTEM Teploenergosnabzhenie
Name of the inventor: Daniel Valentin Vladimirovich; Vadim Slavin Solomonovich
The name of the patentee: Danilov Valentin Vladimirovich; Vadim Slavin Solomonovich
Address for correspondence: 660017, Krasnoyarsk, P / 20870, Yu.P.Elistratovu
Starting date of the patent: 2000.07.17
The system is used in centralized heat and power schemes. heat and power system in your network contains a heating circuit heat pumps installed in the return water pipe, with the possibility of lowering the temperature supply and return. The system provides for the combined production of heat and electricity, it contains a circulation loop power and AC heating circuit. The technical result is to increase the efficiency of use of fuel energy.
DESCRIPTION OF THE INVENTION
The invention relates to a heat supply of hot water installations in a closed heating system.
The current district heating system was formed in the 30s. The basis of district heating is a thermal power station, which produces electricity and inevitable under the laws of thermodynamics, heat discharge is used for space heating and is carried out at a relatively high temperature. Combined production of electricity and heat in CHP provides fuel savings compared with separate production, but this method has the following drawbacks: low energy utilization rate of the chemical energy of a fuel, a large heat loss in heating mains, high accident rate and low resource of heating due to high water temperature.
Known heating and hot water containing copper, surface water heater, the latter in the cooling line input connected to the output of the boiler through the supply pipeline, and the output - from the boiler input by the inverse of the main pipeline provided with a pump, surface water heater output for the heating line is connected to the pipeline hot water supply, but also connected to the supply main pipe supply pipe and heating system connected to the main pipeline reverse return pipe heating system (SU, 1643879, MKI Cl. F 24 D 3/08). The system further comprises three jumpers with control valves, the first of which is connected to the opposite main pipeline after the pump and the delivery pipe heating system, the second - to the contrary the main pipeline between the inlet of the boiler and the point of attachment of the first bridge, and to the supply main pipe between the outlet of the boiler, and the point of attachment supply pipe heating system, the third - the pipeline hot water supply and return pipe of coolant, and the and the system further comprises two bulb, the first of which is installed in a room, and the second - on the pipeline hot water in the return main pipe at the outlet water heater installed control valve, wherein the first termoballon connected to the control valve of the first bridge and the other - with a control valve of the second bridge and return pipeline, wherein the system comprises a storage tank and a backup control vessel and a tank-akkamulyator connected to the return main pipe and communicated through tube transfusion-filling with redundant control vessel.
Known space heating system is characterized by low efficiency and increased complexity.
Known and space heating system at the N 2121114 patent on 11/12/97, she is to equip the heating system heat pump set with the ability to connect to both the pipe with warm water and a pipeline with cold water, and in the heat pump circuit has two air heat exchanger fans for cooling air in the room in the summer and heat from the outdoor air in the demi-season period.
But this system is ineffective.
The essence of the invention is to equip a network of heating pump system (thermotransformers) included in the return water pipe to change a heat schedule system downward heat flow and return.
heat and power system is explained in the flowchart of FIG. It includes a steam generator 1, a steam multistage turbine 2, an electric generator 3, feedwater heaters 4 heat exchanger 5 for pre-heating system water, condenser exhaust steam 6, the thermal energy consumer 7, using a heat pump 8 (thermotransformer), heat exchanger water-freon 9, tower 10, pumps 11, 12, 13, 14 with the heat consumer appliances convector type heat exchangers 15 and 16 to heat the water mains.
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The system works as follows (one). The steam generator 1 is made of high steam temperature and pressure, which is supplied in a multi-stage steam turbine 2, actuation electric generator 3. The steam turbine has a steam extraction, which is used for internal needs of the power plant and central heating consumers 7 and 14. The selection of steam at 100 o C regerativnoy serves to feed water through the heat exchanger 4 and the pump 11. The exhaust steam after the turbine 2 is fed to the heat exchangers 5 and 6 through the circulation circuit and is supplied to the steam generator 1. Thus, the steam generator 1, the turbine 2 and the heat exchangers 5 and 6 form a circulation loop power . In the condenser exhaust steam condensing steam 6 by means of a cooling tower 10 and the pump 13. |
Selection of steam at 60 o C is used to supply heat consumers in the network heating circuit, formed by the heat exchangers 16, 15, 9, 5 and the pump 12. When the temperature of the return water at 10 o C is fed into the preheat exchanger 5. The temperature thus rises to 25 o C. The heat exchangers 15 and 16, the water temperature rises to 90 o C and 14 delivered to consumers using heaters convector type (radiators). The temperature of heating water output data users is 60 o C. With the heat exchanger 9 (water-freon) produced heat removal via thermotransformers - heat pump 8. In the secondary circuit 7 thermotransformers connected consumers, who as teplonagrevatelnyh devices can be as ordinary radiators or with forced air blowing (thermal ventilators).
Integration of heat pump technology in combined heat and electrical power will increase the energy production, for example, from 19 to 34%. Physically, this is achieved by reducing the effective temperature in the thermodynamic cycle and reduce losses in heating mains while reducing the temperature of the coolant in the lines.
The new heating system user receives the same amount of fuel, but it will increase the production of electricity.
According to the invention, the fuel efficiency of energy use grows by 70%, which, naturally, should lead to a reduction in CO 2 emissions.
The transition to a low-temperature heat schedule in highways, in addition to reducing heat loss will increase the resource, reduce the accident rate of heating and reduce their cost by using cheaper insulating materials.
CLAIM
heat and power system, providing for the combined production of heat and electricity, comprising a circulation loop power and AC heating circuit, characterized in that the power heating circuit equipped with thermotransformers - heat pumps, and they are installed in the return water pipe with the possibility of changing the system thermal schedule downward temperature forward and reverse water.
print version
Publication date 29.01.2007gg
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