国内少妇自拍视频区在线2021|亚洲无码免费在线观看|yy6080午夜国产福利无码|国产做a爱免费视频在线观看|

Putting the coarse crushing in the underground to avoid the ground dust and noise pollution; filling the goaf with waste residue and tailings to minimize environmental disturbance caused by waste residue and tailings; the heating equipment adopts energy-saving electric boiler to eliminate the influence of flue gas on environment; two sets of buried water systems are built, which directly recycles industrial water with a utilization rate of 95%, the fresh water s’ consumption is controlled within 0.2 cubic meters per ton of ore, the treated domestic wastewater has been used for greening to realize zero discharge of wastewater.


202004301588231140502611.jpg

The functional layout of the mine is scientific and reasonable, the stepped layout of plants 

realize the self-flow transportation of pulp.

  

202004301588231152101623.jpg

After the treatment of flotation wastewater and domestic wastewater reaches the 

standard, it’s used for secondary production and green irrigation and clean.

202004301588231166139509.jpg

The treated domestic wastewater is used for environmental greening and the industrial 

water is directly recycled to achieve zero discharge.


202004301588231177198978.jpg

The tailings dump project has won the national invention patent as well as the national 

utility model patent.





? 石渠县| 贺州市| 绥江县| 叶城县| 阿瓦提县| 老河口市| 三台县| 铜陵市| 余庆县| 惠来县| 浙江省| 鄂伦春自治旗| 南陵县| 永昌县| 呼伦贝尔市| 开江县| 前郭尔| 苏州市| 逊克县| 吴川市| 日照市| 黄陵县| 叙永县| 深水埗区| 沐川县| 肥西县| 基隆市| 天台县| 香港 | 射阳县| 衡东县| 修水县| 赤峰市| 九江县| 高邑县| 左贡县| 郎溪县| 广河县| 宣城市| 莱芜市| 高要市|