Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine
Abstract In the present research, we proposed a scheme to address the issues of severe heat damage, high energy consumption, low cooling system efficiency, and wastage of cold capacity in mines. To elucidate the seasonal variations of environmental temperature through field measurements, we selected...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-06-01
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| Series: | International Journal of Coal Science & Technology |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/s40789-023-00590-9 |
| _version_ | 1797795920433119232 |
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| author | Hongbin Zhao Shihao Tu Xun Liu Jieyang Ma Long Tang |
| author_facet | Hongbin Zhao Shihao Tu Xun Liu Jieyang Ma Long Tang |
| author_sort | Hongbin Zhao |
| collection | DOAJ |
| description | Abstract In the present research, we proposed a scheme to address the issues of severe heat damage, high energy consumption, low cooling system efficiency, and wastage of cold capacity in mines. To elucidate the seasonal variations of environmental temperature through field measurements, we selected a high-temperature working face in a deep mine as our engineering background. To enhance the heat damage control cability of the working face and minimize unnecessary cooling capacity loss, we introduced the multi-dimensional heat hazard prevention and control method called "Heat source barrier and cooling equipment". First, we utilize shotcrete and liquid nitrogen injection to eliminate the heat source and implemented pressure equalization ventilation to disrupt the heat transfer path, thereby creating a heat barrier. Second, we establish divisional prediction models for airflow temperature based on the variation patterns obtained through numerical simulation. Third, we devise the location and dynamic control strategy for the cooling equipment based on the prediction models. The results of field application show that the heat resistance and cooling linkage method comply with the safety requirement throughout the entire mining cycle while effectively reducing energy consumption. The ambient temperature is maintained below 30 °C, resulting in the energy saving of 10% during the high-temperature period and over 50% during the low-temperature period. These findings serve as a valuable reference for managing heat damage in high-temperature working faces. |
| first_indexed | 2024-03-13T03:25:19Z |
| format | Article |
| id | doaj.art-856c38b9c454427cb8c4f4198ebd2e58 |
| institution | Directory Open Access Journal |
| issn | 2095-8293 2198-7823 |
| language | English |
| last_indexed | 2024-03-13T03:25:19Z |
| publishDate | 2023-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | International Journal of Coal Science & Technology |
| spelling | doaj.art-856c38b9c454427cb8c4f4198ebd2e582023-06-25T11:03:57ZengSpringerOpenInternational Journal of Coal Science & Technology2095-82932198-78232023-06-0110111610.1007/s40789-023-00590-9Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mineHongbin Zhao0Shihao Tu1Xun Liu2Jieyang Ma3Long Tang4Key Laboratory of Deep Coal Resource Mining (Ministry of Education of China), School of Mines, China University of Mining and TechnologyKey Laboratory of Deep Coal Resource Mining (Ministry of Education of China), School of Mines, China University of Mining and TechnologyKey Laboratory of Deep Coal Resource Mining (Ministry of Education of China), School of Mines, China University of Mining and TechnologyKey Laboratory of Deep Coal Resource Mining (Ministry of Education of China), School of Mines, China University of Mining and TechnologyKey Laboratory of Deep Coal Resource Mining (Ministry of Education of China), School of Mines, China University of Mining and TechnologyAbstract In the present research, we proposed a scheme to address the issues of severe heat damage, high energy consumption, low cooling system efficiency, and wastage of cold capacity in mines. To elucidate the seasonal variations of environmental temperature through field measurements, we selected a high-temperature working face in a deep mine as our engineering background. To enhance the heat damage control cability of the working face and minimize unnecessary cooling capacity loss, we introduced the multi-dimensional heat hazard prevention and control method called "Heat source barrier and cooling equipment". First, we utilize shotcrete and liquid nitrogen injection to eliminate the heat source and implemented pressure equalization ventilation to disrupt the heat transfer path, thereby creating a heat barrier. Second, we establish divisional prediction models for airflow temperature based on the variation patterns obtained through numerical simulation. Third, we devise the location and dynamic control strategy for the cooling equipment based on the prediction models. The results of field application show that the heat resistance and cooling linkage method comply with the safety requirement throughout the entire mining cycle while effectively reducing energy consumption. The ambient temperature is maintained below 30 °C, resulting in the energy saving of 10% during the high-temperature period and over 50% during the low-temperature period. These findings serve as a valuable reference for managing heat damage in high-temperature working faces.https://doi.org/10.1007/s40789-023-00590-9High-temperature working faceHeat source barrierMultiple heat source effectAirflow temperature predictionDynamic control strategy |
| spellingShingle | Hongbin Zhao Shihao Tu Xun Liu Jieyang Ma Long Tang Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine International Journal of Coal Science & Technology High-temperature working face Heat source barrier Multiple heat source effect Airflow temperature prediction Dynamic control strategy |
| title | Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| title_full | Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| title_fullStr | Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| title_full_unstemmed | Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| title_short | Study of energy-efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| title_sort | study of energy efficient heat resistance and cooling technology for high temperature working face with multiple heat sources in deep mine |
| topic | High-temperature working face Heat source barrier Multiple heat source effect Airflow temperature prediction Dynamic control strategy |
| url | https://doi.org/10.1007/s40789-023-00590-9 |
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