Effects of Thermal Water Upwelling on Microclimate Change in the High Geo-Temperature Roadway

Table 1

Incomplete statistics of thermal hazards of mines in China [13].

Region	Coal mine	Mining depth (m)	Airflow temperature (°C)	Highest rock temperature (°C)	Geothermal gradient (°C/hm)	Highest water temperature (°C)
Jiangsu province	Zhangshuanglou Mine	1000	35	40.6	4	30
	Sanhejian Mine	1010	36	46.8	3.24	50
	Datun Mine	1015	37	40.4	2.36–2.42	26
	Qishan Mine	1100	30	41.9	2.6
	Jiahe Mine	1200	36	40	2.21	30
	Zhangxiaolou Mine	1200	33.5	42	1.64
Anhui province	Zhangji Mine	1260		51.5	2.65
	Xinji No. 1 Mine	550	33.6	36.4	3.2	35
	Panyi Mine	650	36	40	3
	Guqiao Mine	800	36	40.1	3.08
	Pansan Mine	810	40	43	3.42
	Dingji Mine	826	40	43	2.52–4.02
	Wobei Mine	700	36	35.5	1–4.2	25
	Xieqiao Mine	720	33	41.1	2–2.5
	Liuzhuang Mine	900	34	38.5	3
Shandong province	Dongtan Mine	660	31	33	2.3
	Zhaolou Mine	840	35	45	2.2
	Jining No. 3 Mine	838	33	35.3	2.44–2.96	29
	Zhaoyang Mine	880	32	34.2	2.11
	Tangkou Mine	1025	35	37	2	55
	Xiezhuang Mine	1010	34	37	3	45
	Suncun Mine	1500	35	48	2.7	45
	Xinjulong Mine	900	39	44.7	3.23	47
	Huaheng Mine	1200		37	2.61
Henan province	Pingdingshan No. 4 Mine	840	30	40	4
	Pingdingshan No. 5 Mine	909	35	50	3.6
	Pingdingshan No. 6 Mine	900	35	53	4.1
	Pingdingshan No. 8 Mine	660	35	43	3	62
	Pingdingshan No. 10 Mine	960	32	39	4
	Pingdingshan No. 13 Mine	750	31	40	4.5
	Zhaojiazhai Mine	610	31		3.5	32
	Yuejin Mine	960	32		2
	Liangbei Mine	680	30	37	2.87	42
Chengjiao Mine	750	33	39	2.62	35
Hebei province	Wutongzhuang Mine	680	30	35	2.9	45
	Cixi Mine	1200	30	37	3
	Qianjiaying Mine	860	33	46	3–5.9
	Dacheng Coalfield	1100	33	46	3–5.9
	Yangdong Minefield	1500	33	46	3–5.9
Northeast China	Loahutai Mine	715	33	42	3.6–4.3	48–51
	Dongfeng Mine	800	33	30	2.7–4.6	48–51
	Donghai Mine	1100	34	39	3.7
	Hongyang No. 3 Mine	1050	38	43	4.3
Ningxia province	Yangchangwan Mine	1100	32	37	3.36
	Meihuajing Mine	450	33	38	3.12
Guizhou province	Dongshan Mine	975	29.5	35	3.5
Hunan province	Zhouyuanshan Mine	1000	33	42.7	4.2