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Urban heating method in conformity with low-carbon energy policy

An energy and urban technology, applied in hot water central heating systems, heating methods, household heating, etc., can solve problems such as central heating methods that have not yet been discovered, and achieve the effect of saving electricity bills

Inactive Publication Date: 2011-09-28
杨铁君
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  • Abstract
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  • Claims
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Problems solved by technology

According to the search by the applicant, there is no domestic centralized heating method that combines the use of heating boilers and ground source heat pumps.

Method used

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  • Urban heating method in conformity with low-carbon energy policy
  • Urban heating method in conformity with low-carbon energy policy

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Embodiment Construction

[0014] The concrete technical scheme of the present invention will be further described below in conjunction with embodiment:

[0015] For the heating center with a heating area of ​​5 million square meters, the steam boiler uses a 35-ton boiler: 150 tons of coal is used per day, and each ton of coal is calculated at 500 yuan, and the daily coal consumption is: 150 tons / day×500 yuan / ton=75000 RMB / day, 50% of the steam loss is used for steam turbine work: 75,000 RMB / day × 50% = 37,500 RMB / day, and the remaining exhaust steam is supplied to the end of the heating system for heating after heat exchange by the steam-water exchanger, and the steam saves 75,000 RMB Yuan / day × 50% = 37,500 yuan / day.

[0016] Electricity consumption: The electricity load of the heating center of 5 million square meters is 6000KW / h, and the electricity consumption for one day of equipment operation: 6000KW / h×24h=144000KW / day, the electricity price per kilowatt-hour is 0.85 yuan / KW, and the electricity ...

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Abstract

The invention relates to an urban heating method in conformity with the low-carbon energy policy. The method is characterized in that a steam boiler, a turbine and a ground source heat pump constitute integral heating through pipelines, wherein the input water is heated to be steam by the steam boiler and enters into the turbine set through pipelines. The steam drags the turbine set does work, and then the steam exhaust enters into a steam-water heat exchanger for heat exchange, and then the mixing hot water is sent out and is sent to the end heating system. The backwater in the end heating system flows into the condenser of the ground source pump for heat exchange and is heated to 40 DEG C and then sent to the steam boiler, and the power for the compressor of the ground source heat pump is from the power source of the turbine. In the invention, a steam boiler, a turbine and a ground source heat pump are combined. By means of heating the backwater in the system from 35 DEG C to 40 DEG C, the method in the invention can save fire coal by 0.035 tons / m <2>, reduce CO2 emission and SO2 emission by 0.085 tons / m <2> and 0.002 tons / m <2> respectively, as well as save electric charge by ** / m <2>.

Description

technical field [0001] The invention relates to an urban heating method, in particular to an urban heating method which is used for urban central heating and conforms to the low-carbon energy policy, and is an improvement on the existing urban central heating method. Background technique [0002] Low-carbon economy: It is an emerging economic form and development model, including a series of new contents such as low-carbon industry, low-carbon energy technology, low-carbon city and low-carbon life. [0003] The existing urban heating forms are roughly divided into several types: thermal power plants, regional boiler rooms, industrial and urban waste heat, geothermal, nuclear energy, heat pumps, solar energy, etc. The first five are concentrated heat sources, and the latter two, gas furnaces, and oil furnaces are independent heat sources. In areas where centralized heat sources are limited, independent heat sources show their own advantages, such as ground source heat pump s...

Claims

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Application Information

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IPC IPC(8): F24D3/18
CPCY02B30/12
Inventor 杨铁君
Owner 杨铁君
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