Solar heating system, multi-heat-source heating system and multi-heat-source heat supply method

A heating system and solar collector technology, which is applied in the field of building heating engineering, can solve problems such as design increase, and achieve the effects of reducing the use cost, reducing the use cost, and reducing the actual load value.

Inactive Publication Date: 2016-06-15
中铁二十一局集团第二工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a single solar energy as a heat source is obviously not enough for an office building with an area of ​​more than 1,500 square meters in the northwest region. Therefore, a multi-heat source heating plan must be proposed. However, what heat sources are included in the multi-heat sources and how to choose heat sources are all under construction. Difficulties encountered in pl

Method used

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  • Solar heating system, multi-heat-source heating system and multi-heat-source heat supply method
  • Solar heating system, multi-heat-source heating system and multi-heat-source heat supply method
  • Solar heating system, multi-heat-source heating system and multi-heat-source heat supply method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1; as figure 1 Shown: a heating system using solar energy, including radiator 5, radiator return pipe 501 and radiator water inlet pipe 502; also includes solar heat collector 1 and high expansion unpressurized water tank 6; A heat collector inlet pipe 101 and a heat collector return pipe 102 are arranged between the expansion unpressurized water tanks 6 , and the high-level expansion unpressurized water tank 6 is connected with the radiator return water pipe 501 and the radiator water inlet pipe 502 . This embodiment is a single heat source heating system utilizing solar energy.

[0030] In order to prevent water scaling, the high expansion unpressurized water tank 6 is connected with a softened water processor 11, and the inlet and outlet pipelines of the softened water processor 11 are all provided with ball valves 12. The radiator inlet pipe 502 is equipped with a booster pump 2 to pressurize the heating system; the heat collector inlet pipe 101 is also ...

Embodiment 2

[0032] Embodiment 2; as figure 2 Shown: a multi-heat source heating system using solar energy, including an air source heat pump, a radiator 5, a radiator return pipe 501 and a radiator water inlet pipe 502; Thermal high-pressure water tank 8 and solar heat collector electric supplementary system 4; between solar heat collector 1 and high-level expansion unpressurized water tank 8, there are heat collector inlet pipe 101 and heat collector return water pipe 102, high-level expansion unpressurized water tank 6 An expansion tank inlet pipe 601 and an expansion tank return pipe 602 are provided between the heat exchange high-pressure water tank 8, an air source heat pump inlet pipe 10 and an air source heat pump return pipe 19 are provided between the air source heat pump and the heat exchange high pressure water tank 8 to dissipate heat The water inlet pipe 502 of the radiator and the water return pipe 501 of the radiator are all connected with the heat exchange high-pressure w...

Embodiment 3

[0041] Example 3; see image 3A kind of multi-heat source heating method that comprehensively utilizes solar energy under the condition of no municipal heating, including the calculation of building heating load, the selection and calculation of heat sources, the connection between each heat source; the specific content is as follows:

[0042] a. Calculation of building heating load; according to the "Heating Ventilation and Air Conditioning Design Code" GB50019-2003 design and calculation of the total building heating load of radiator radiant heating, the calculation is based on the total load of floor heating being 90% to 95% of the total radiator heating load Get the actual total heating load. For the 1,500-square-meter frame (65mm extruded polystyrene board on the exterior wall) newly built office building of Lanzhou Jincheng Railway Concrete, the actual total heating load is 93.83kw.

[0043] b. Selection and calculation of heat sources; heat sources are solar collecto...

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Abstract

The invention discloses a multi-heat-source heating system utilizing solar energy. The multi-heat-source heating system comprises an air source heat pump, a radiator, a radiator water inlet pipe and a radiator water return pipe, and further comprises a solar heat collector, a high expansion non-pressure water tank, a heat exchange high-pressure water tank and a solar heat collector electric supplement system. A heat collector water outlet pipe and a heat collector water return pipe are arranged between the solar heat collector and the high expansion non-pressure water tank. An expansion water tank water return pipe and an expansion water tank water inlet pipe are arranged between the high expansion non-pressure water tank and the heat exchange high-pressure water tank. An air source heat pump water inlet pipe and an air source heat pump water return pipe are arranged between the air source heat pump and the heat exchange high-pressure water tank. The radiator water inlet pipe and the radiator water return pipe are both connected with the heat exchange high-pressure water tank. The solar heat collector electric supplement system is arranged on the radiator water inlet pipe. A new idea is provided for rural-urban continuums without urban heat supply pipeline networks and natural gas pipeline networks and engineering construction temporary heating, and references are provided for new energy development, environment protection and sustainable development paths of China.

Description

technical field [0001] The invention belongs to the technical field of building heating engineering, and in particular relates to the design of a system engineering for comprehensive utilization of solar energy in building heating, and also relates to an automatic control method for comprehensive utilization of solar energy in building heating engineering. Background technique [0002] Temporary facilities for construction buildings generally cannot be connected to the urban heating pipe network, and only electric heaters and air conditioners can be used for heating. One has a low safety factor and the other has a high cost. Under the background of increasing operating costs of modern enterprises and fierce market competition, it will undoubtedly increase the burden on enterprises; in addition, with the rapid development of cities today, it is already a trend for enterprises to go out of cities and enter parks, but many urban-rural fringes are still affected by funds. The co...

Claims

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Application Information

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IPC IPC(8): F24D3/00F24D3/18F24D12/02F24D19/10
CPCF24D3/005F24D3/18F24D12/02F24D19/1039F24D19/1042F24D19/1096Y02B10/20Y02B10/70Y02B30/00
Inventor 李学军张发祥卢长德徐亚伟刘策魏磊封安辉周忠祖李国庆杨述星郭瑞牛红梅刘斌朱冠生蒙悟孙钊孔令程李清文张桂琴
Owner 中铁二十一局集团第二工程有限公司
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