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Investigation on Minimum Ventilation, Heating, and Energy Consumption of Pig Buildings in China during Winter

Author

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  • Fei Qi

    (College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, Beijing 100083, China)

  • Hao Li

    (College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
    Beijing Engineering Research Center on Animal Healthy Environment, Beijing 100083, China)

  • Xuedong Zhao

    (College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, Beijing 100083, China)

  • Jinjun Huang

    (College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, Beijing 100083, China)

  • Zhengxiang Shi

    (College of Water Resources & Civil Engineering, China Agricultural University, Beijing 100083, China
    Key Laboratory of Agricultural Engineering in Structure and Environment, Ministry of Agriculture and Rural Affairs, Beijing 100083, China
    Beijing Engineering Research Center on Animal Healthy Environment, Beijing 100083, China)

Abstract

Ventilation and heating can be necessary for pig production during winter in China. However, it is challenging to balance the ventilation rate and heat loss due to the ventilation. Therefore, it is essential to design the minimum ventilation and heating load properly in order to reduce energy loss. In this paper, a VBA (Visual Basic for Applications) model based on energy balance is established. Meteorological data, pig body masses, outdoor temperatures, feeding densities, and building envelope thermal insulance factors were involved in the model. A model pig house with a length and width of 110 m × 15 m was used to investigate the ventilation, heating time, load, and power consumption in different climate zones, i.e., Changchun, Beijing, Nanning, Wuhan, and Guiyang, representing five major climate regions in China. Based on the simulation results, the models of minimum ventilation and heating load were fitted. The results showed that there is a logarithmic relationship between the minimum ventilation volume and body mass, R 2 = 0.9673. The R 2 of heating load models for nursery pigs and fattening pigs were 0.966 and 0.963, respectively, considering the feeding area, the outside temperature, the body masses of the nursery and fattening pigs, and the thermal insulance factor of the enclosure. The heating requirements of commercial pig houses within the same building envelope followed the trend in Changchun > Beijing > Guiyang > Wuhan > Nanning. Increasing the building envelope’s thermal insulance factor or using precision heating could reduce the pig house’s power consumption. The analysis of the heating load and energy consumption of winter pig houses in various climate regions provided a reference for precise environmental control and the selection of building thermal insulance factors in China.

Suggested Citation

  • Fei Qi & Hao Li & Xuedong Zhao & Jinjun Huang & Zhengxiang Shi, 2023. "Investigation on Minimum Ventilation, Heating, and Energy Consumption of Pig Buildings in China during Winter," Agriculture, MDPI, vol. 13(2), pages 1-15, January.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:2:p:319-:d:1049504
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    References listed on IDEAS

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    1. Costantino, Andrea & Comba, Lorenzo & Cornale, Paolo & Fabrizio, Enrico, 2022. "Energy impact of climate control in pig farming: Dynamic simulation and experimental validation," Applied Energy, Elsevier, vol. 309(C).
    2. Günther Schauberger & Martin Schönhart & Werner Zollitsch & Stefan J. Hörtenhuber & Leopold Kirner & Christian Mikovits & Johannes Baumgartner & Martin Piringer & Werner Knauder & Ivonne Anders & Konr, 2021. "Economic Risk Assessment by Weather-Related Heat Stress Indices for Confined Livestock Buildings: A Case Study for Fattening Pigs in Central Europe," Agriculture, MDPI, vol. 11(2), pages 1-22, February.
    3. Myeong Gil Jeong & Dhanushka Rathnayake & Hong Seok Mun & Muhammad Ammar Dilawar & Kwang Woo Park & Sang Ro Lee & Chul Ju Yang, 2020. "Effect of a Sustainable Air Heat Pump System on Energy Efficiency, Housing Environment, and Productivity Traits in a Pig Farm," Sustainability, MDPI, vol. 12(22), pages 1-13, November.
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    Cited by:

    1. Fei Qi & Xuedong Zhao & Zhengxiang Shi & Hao Li & Wanying Zhao, 2023. "Environmental Factor Detection and Analysis Technologies in Livestock and Poultry Houses: A Review," Agriculture, MDPI, vol. 13(8), pages 1-16, July.
    2. Andrea Costantino, 2023. "Development, Validation, and Application of Building Energy Simulation Models for Livestock Houses: A Systematic Review," Agriculture, MDPI, vol. 13(12), pages 1-28, December.

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