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Heating and cooling project of dafenghuang mountain scenic spot in Qianxi County, Tangshan City, Hebei Province

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  • Case overview
The project is located in the cooling and heating project of dafenghuang mountain scenic spot in Qianxi County, Tangshan City, Hebei Province. The total construction area of the project is about 2845 m2, which is divided into 6 single buildings. A total of 8 Lipman air source heat pump units are used to meet the winter heating and summer cooling requirements of the scenic spot

Project Overview:

Project address: Qianxi County, Tangshan City, Hebei Province

Building structure: the project is the air source heat pump cooling and heating project in Qianxi dafenghuangshan scenic spot; the total construction area of the project is about 2845 m2, which is divided into 6 single buildings;

 Building structure.jpg

Project requirements:

Toilet: indoor design temperature: 15 ± 2 ℃ in winter; 30 ± 2 ℃ in summer;

Other buildings: indoor design temperature in winter: 20 ± 2 ℃; indoor design temperature in summer: 26 ± 2 ℃;

Equipment selection:


On the premise of meeting the needs of users for cooling and heating, and considering the building cooling and heating load and initial investment cost, the scheme design selection is as follows:

 Equipment selection.jpg

Indoor end:


Fan coil units are used at the end of cooling in summer, and condensate water is introduced into the toilet or outdoor drainage device nearby; the heating end of three buildings of management center, tourist service center and 60 m shop is floor heating in winter. The project requires that the pipe spacing of the site should be 150 ~ 200 mm, the insulation layer should be no less than 50 mm, and the moisture-proof layer must meet the requirements of national standards. In winter, the heating end of public toilet, L-shaped shop and wooden house villa is fan coil unit, and condensate water is introduced into toilet or outdoor drainage device nearby.


Highlights of the project:

Intelligent control: easy to operate. The unit is controlled by microcomputer. It can be operated by wire or panel. It can set time and temperature, add cold water and warm hot water automatically, and display the fault of the unit. It can also realize equipment management automation and energy management automation through centralized monitoring of central computer

Anti resonance and noise control measures of air source heat pump host: in addition to good vibration reduction of internal compressor pedestal of air source heat pump host, vibration reduction measures shall also be taken for the base of heat pump. The air source heat pump group mainly adopts comprehensive measures such as noise elimination, sound insulation, sound absorption and shock isolation. The main engine of heat pump is equipped with low frequency air spring damper.

Anti resonance and noise control measures of water pump: water pump is also the main noise source, and its vibration and noise isolation are equally important. According to the vibration characteristics of the water pump and the amount of isolation required, the appropriate air spring shock absorber is designed through calculation and simulation, so that the shock absorber, shock absorption base and water pump match each other to achieve high isolation effect.


Operating power

The building area is 2845 m2, and the heating power in 120 days in winter is as follows:

When the air source heat pump is used for full load heating, the required operating power is about 127202 kwh, and the average heating power is about 0.37 kwh / m2 · day;

(Note: the above is estimated according to the heating load of the building combined with the energy efficiency ratio under the rated working conditions of the unit. The actual working time of the main engine will vary according to the user's terminal opening indoor temperature, weather changes and other factors. The above estimation is for reference only.)

 Heating power in winter.jpg

90 day cooling capacity in summer

The building area is 2845 m2, and the air source heat pump is used for cooling. The required operating power is about 72018 kwh, and the average cooling power is about 0.28 kwh / m2 · day;

(Note: the above is 90 days of cooling in summer, which is estimated according to the working hours of the main engine every day. The actual working time of the main engine should be changed according to the specific outdoor environment temperature and relative humidity as well as the opening amount of the user's terminal. The above estimation is for reference only.)

 Cooling power in summer.jpg


Product Center High configuration of air source and Lipman for high configuration

Lipman air energy heat pump products mainly include household units, commercial units, multi cogeneration units, ultra-low temperature heat pump, etc. its products are equipped with high, ultra quiet, high energy efficiency and super energy saving, which are widely used in the environment of home, office building and workshop

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Lipman heating and heat pump brand is a new energy enterprise integrating R & D, production, sales and after-sales. It combines intelligence with home furnishing and provides integrated central air-conditioning + floor heating solutions for villas, apartments, residences and other places.

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