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System and method for central heating using heat pump technical principle and its relative equipment

A central heating and heat pump technology, applied in hot water central heating systems, heating systems, household heating, etc., can solve problems such as heat energy can not be recycled, achieve the goal of reducing redundant construction, saving investment, and improving heating capacity Effect

Inactive Publication Date: 2008-07-30
FUERDA ENVIRONMENTAL PROTECTION ENERGY SAVING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the system and method of the existing central heating project, the heat energy in the return water below 70°C cannot be recycled, but all the heat energy is returned to the heat source such as the thermal power plant, the regional boiler room or the heating station through the return water pipe network

Method used

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  • System and method for central heating using heat pump technical principle and its relative equipment
  • System and method for central heating using heat pump technical principle and its relative equipment
  • System and method for central heating using heat pump technical principle and its relative equipment

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] In the figure 1. Thermal power plant or regional boiler room, 2. Heating station, 3. Heat user, 4. Primary pipe network water supply pipe, 5. Secondary pipe network water supply pipe, 6. Primary pipe network return water pipe, 7. Secondary pipe network return pipe, 8. Primary pipe network return pipe, 9. Heat pump heating device, 10. Heat user, 11. Heat pump preheating device, 12. Heat exchanger, 13. Circulation pump, 14. Evaporator, 15, compressor, 16, condenser, 17, expansion regulating valve, 18, circulation pump, 19, heat user, 20, heat exchanger, 21, circulation pump, 22, evaporator, 23, compressor, 24. Condenser, 25. Expansion regulating valve, 26. Low temperature water source pipeline.

[0029] In the hot water centralized heating engineering system shown in Figure 1, the primary heat supply cycle network is mainly composed of a thermal power plant or a regional boiler room 1, a heating station 2, a heat user 3, a water supply pipeline 4 and a return water pipeli...

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Abstract

The invention relates to a system and method of hot water central heating engineering, based on the present hot water central heating engineering system, adding heat pump heating unit and heat pump primary heater unit, abstracting low temperature thermal energy from heating water and changing it into high grade thermal energy which can be reused by users. By using the intrinsic first level heating pipe net, the heat capacity can be increased a lot and the water temperature can be decreased. (the lowest temperature can be reached is 5 deg. C)so that the heat loss can also be decreased when delivered in water pipe net. Only heat pump heating unit and heat pump primary heater unit need to be added in the hot water central heating system which has been built, so the invention has the following advantages of saving cost, extending central heating radius decreasing amount of redundant heating boiler room, increasing heat energy utilization factor, and doing good for environment protection, saving energy, decreasing pollution.

Description

technical field [0001] The invention relates to a system and method for a hot water centralized heating engineering, and belongs to the technical field of heating engineering. Background technique [0002] At present, the hot water central heating engineering system is mainly composed of: heat source, heating station (or heat exchange station), heat user, primary circulation pipe network, and secondary circulation pipe network. The heating radius is generally 4-10 kilometer. [0003] The heat source mainly includes thermal power plant as the heat source or regional boiler room as the heat source. [0004] The heating station can be set up as a primary heating station or a secondary heating station according to the heating capacity or heating area. [0005] The hot water central heating circulation system mainly includes: [0006] 1. Heat source heating cycle working system; [0007] 2. First-level pipe network circulation system; [0008] 3. Secondary pipe network circu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24D3/18
CPCY02B30/12
Inventor 冯太和陈连祥冯杰
Owner FUERDA ENVIRONMENTAL PROTECTION ENERGY SAVING TECH
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