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Table of Content

    24 February 2018, Volume 34 Issue 02
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    Application of Integrated Geophysical Exploration Method in the Uranium Deposit Prospecting in Xiazhuang Orefield
    LI Ying-Bin, SUN Dong-Hua, XIE Ming-Hong, LIU Bo, ZHANG Wei-1
    2018, 34(02):  1-7. 
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    Xiazhuang uranium orefield is the first granite type uranium orefield in China.A great deal of work is conducted in the shallow parts of the orefield,but the uranium deposits prospecting results related to the depth of the orefield is still relatively few.Many uranium deposits and ore (mineralization) points found in the orefield are strictly controlled by tectonic fractures and lithology boundary,further identification of the spatial distribution characteristics of the deep tectonic fractures,ore-bearing features and lithology boundary of the orefield is help for providing some reliable reference for the further uranium deposit prospecting work in the orefield.The detection effects of concealed fractures in the area with hard rock mass stratum by using audio-frequency magnetotellurics (AMT) is good,the application effects of the position reflection of the concealed structures in the surface and indication of the deep uranium mineralization information by adopting ground gamma ray spectrum measurement and RaA radon measurement are both ideal,so the integrated geophysical prospecting method (AMT,ground gamma ray spectrum measurement and RaA radon measurement) is used in the orefield to obtained deep prospecting information of uranium deposit (mineralization points).Through the comprehensive analysis of the ATM sounding inversion section, ground gamma ray spectrum measurement and RaA radon measurement results,and based on the geological,geophysical and geochemical characteristics of the orefield,the rock mass boundary of medium-grained black mica granite and fine-grained two-mica granite is divided,the spatial distribution shapes of the concealed fracture structures of the orefield is analyzed and the ore-bearing features of the fracture structures is discussed roughly,so as to provide some reliable reference for further conducting deep prospecting work of uranium deposit in the orefield.
    Genesis and Prospecting Potential of Longshujiao Ore-bearing Fault Belt  in Gejiu Mining Area in Yunnan Province
    ZHOU Yong-Heng, LIU Jin-Song, ZHAO Guo-You, LI Guo-Wei
    2018, 34(02):  8-13. 
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    Based on the analysis of tectonic geological characteristics of Longshujiao ore-bearing fault belt (Ⅱ-11# ore-bearing fault belt) in Gejiu mining area in Yunnan Province,the formation mechanism (tectonic movement of strata and the physical process of sedimentation and movement of metallogenic material) of the fault belt is discussed,the results show that the metallogenic areas of Longshujiao ore-bearing fault belt are mainly for fault entrainment belt,intersection part of fault and interlayer (stratigraphic),fault roof part,fault branches compound part and fault transition part.Based on the above analysis results,the favorable prospecting indicators of Geijiu mining area are mainly for metal element zoning,structure,surrounding rock alteration and geochemical primary halo,the intersection part of fault and interlater (stratigraphic),fault transition part,acute angle capture belt of fault intersection,fault belt branches compound parts are the favorable prospecting parts of the mining area.
    Geochemical Characteristics and Genesis of E′meishan Basalt in  Zhina Coalfield in Western Guizhou Province
    ZHANG Jin-Qiu
    2018, 34(02):  14-18. 
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    Based on the rock sampling analysis results,the geochemical characteristics of the main and trace elements of E'meishan basalt in Zhina Coalfield in Western Guizhou Province is discussed,and the genesis of the rock mass is also studied.The study results show that:①the contents variation range of SiO2 (from 30.98% to 57.19%) is large,the properties of the rock mass is belongs to basic volcanic lava,the TAS classification diagram show that the property of the rock mass is mainly for alkaline series,the rock mass is mainly enriched for the high field strength element (Nb,Zr,Hf,Ti) and Th,loss of Y,the volatility characteristics of Ba and Sr is significant,MgO content has significant negative correlation with Fe2O3 content and content ratio of CaO and Al2O3,and it has significant positive correlation with the contents of Ni and Cr;②the source of the rock mass may be the lower mantle,the rock mass is formed in the internal tensile structure environment,the isolated crystallization of the minerals (magnetite and olivine) is occurred,during the formation process of basalt,a certain mixed dyeing effect is suffered,the influence degree of sources area mixed dyeing effect to the formation of basalt is larger than the one of crustal mixed dyeing effect to the formation of basalt.
    Study on the Oil and Gas System in Ghadames Basin in Libya
    ZHAO Guo-Jun, SHEN Wen-Jin, LAN Jing-Zhi, ZHAO Qi-Bin
    2018, 34(02):  19-23. 
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    The Ghadames Basin in Libya is a large intracratonic basin of the Saharan Platform.The basin has obvious tectonic evolution characteristics throughout geological time.The basin is the important one in Libya and North Africa,the influence of the basin to the formation and storage of oil and gas resources in African continent is important.Based on analyzing the geological tectonic characteristics and sedimentation evolution characteristics of the basin,the history form of evolutionary development of the hydrocarbon source rocks,reservoir and cover of the basin is discussed,besides that the two important oil and gas system of the basin is also studied,so as to provide some reliable reference for further conducting oil exploration and development work in the basin.
    Application of Skew Cuneiform Volume Formula in Reserve Estimation in  Xilibei Iron Deposit in Shanxi Province
    GUO Min, ZHU Ming-Hai
    2018, 34(02):  24-27. 
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    Estimation of resources and reserve is an important task in mineral geological exploration.The skew cuneiform volume formula is suitable for calculating the volume of a block without tapered tip and without cuneiform tip.Taking Xilibei Iron Deposit in Shanxi Province as an example,based on analyzing the geological characteristics of the deposit,the skew cuneiform volume formula is used to estimate the resource reserves of the deposit,the geometric shape of skew cuneiform,and the volume formula is verified,so as to provide some reliable reference for improving the rationality and accuracy of the resources reserves estimation of some ore-bodies of the deposit.
    Practice of Drilling Construction of Deep Glutenite Strata in Liujiayao Coalfield
    GUI Ru-Jia
    2018, 34(02):  28-31. 
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    In the exploration construction process of Liujiaoyao Coalfield,due to the existing geological factors of deep glutenite strata,complex strata,fault development and intrusion of lamprophyre,which increased the difficulty of drilling construction in the orefield.In order to solve the problems,by repeated practice and constant study,the high-quality and efficient low solid mud and casing pipe wall protection technique are adopted to improve the drilling efficiency,reduce drilling cost,the practice effects is significant,which provide some reliable reference for the drilling construction work in the orefield and its surrounding area.
    Selection of Mining Scheme and Determination of Production Capacity of Xingzhou Iron Deposit
    MENG Fan-Ming
    2018, 34(02):  32-40. 
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    Xingzhou iron deposit is characterized by large resource reserve，low grade and complex mining conditions of the surface of mining area，in order to make full use of the resources of the mine，and protect the surface and its appendage，realize the maximize benefits under the conditions of market price depression of iron ores，based on the mining conditions of the mine，the excavation scheme of ramp and auxiliary shaft is selected，the sublevel chamber stoping method，sublevel stoping and backfilling tailings mining method are adopted.Based on the production capacity calculated by mining methods and combined with the variation factors of market price，the production capacity of 2×106 t/a (industrial ore-bodies) and 4×106 t/a (mixed ore-bodies) are determined，therefore，the requirement of comprehensive utilization of mineral resources，surface protection and stage investment construction are met，the goal of price oriented production with a certain scale is realized，the good economic benefit and social benefit are both obtained.
    Calculation and Analysis on the Dilution of Salt-lake Surface Brine Mine Caused by Development
    TONG Yang-Chun, WU Sheng-Bin, YANG Xin-Chun
    2018, 34(02):  41-43. 
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    The calculation and prediction on the dilution of salt-lake surface brine caused by development is an important problem pressed for solution in engineering construction of salt-lake brine development.The basic data needed for dilution calculation and basic assumptions for calculation simplification are analyzed,the basic formulas for dilution calculation is given.With the combination of the design practice of specific projects of a salt-lake brine mine in Djibouti,the calculation results of the dilution of salt-lake mine caused by development is given,besides that,the problems related to brine dilution is discussed and analyzed,so as to provide some reference for the construction and production of similar projects.
    Economical Analysis of the Resource Recovery of the Hanging Wall Ore of Lanyingxu Mining Area
    XU Ji-Ye
    2018, 34(02):  44-48. 
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    According to the occurrence condition of hanging wall ore,mining status,production cost of Lanyingxu mining area and concentrate market prices,the different economical computational models are established by adopting price method and reserve profitability comparative method,so as to analyze the boundary of open-pit mining and underground mining of the hanging wall ore of Lanyingxu mining area,the ore grade with recycling value and the market price with optimal economical benefits by carrying out open-pit to underground mining engineering.The study results show that,the economic reasonable tripping ratio is 6.81 t/t under influence of the market price of 340 yuan/t (iron concentrate) and 680 yuan/t (titanium concentrate);if the Fe3 ore can be mined separately by using open-pit hanging wall method, the economic reasonable stripping ratio should be lower than 3.07 t/t;if the underground mining method is adopted,the economical benefits cannot be significant either mining separately or mining with high grade(Fe1+Fe2) ores;if the open-pit to underground mining method is adopted,the market price of iron concentrate and titanium concentrate should be maintained to about 360 yuan/t and 800 yuan/t.The above study results can provide some reliable support for further making full of the hanging wall ore of the mine with high efficient and ideal economic benefit.
    Optimization Layout Scheme of Preparatory Roadway of No.20 Mining Area  of Chensilou Coal Mine in Henan Province
    SONG Cheng-Yi
    2018, 34(02):  49-52. 
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    With the increasing of mining depth of coal mine,the underground hydrogeologial conditions are becoming more complex increasingly,the underground production system is also increased gradually,which make the underground mining and drivage become unbalance.The optimization of roadway layout scheme is help for decreasing the rock roadway drivage engineering,so as to form the production system of mining area as soon as possible.Taking the preparatory roadway of No.20 mining area of Chensilou Coal Mine in Henan Province as the study example,under the premise of the underground production system in conformity with the provisions in the mining area,the layout scheme of preparatory roadway of the mining area is optimized,the layout scheme of consolidation of conveyor transportation roadway and railway transportation roadway is proposed to deal with conveyor concentrated roadway and railway concentrated roadway,the roadway section is designed as straight wall semicircle arch shape,and the supporting technique of spray anchor net and anchor cable is used to ensure the stability of roadway surrounding rock.The goal of continuous concentrated production,it can not only meet the requirement of transportation system in mining area,but also is help for decreasing the roadway drivage engineering in mining area,reducing upfront costs,shortening the preparatory engineering period of mining area and meeting the stoping conditions of the working face of mining area,so as to realize the goal of relieving the tension state of mining and drivage works of Chensilou Coal Mine.
    Determination of the Borehole Spacing of CO2 Deep Hole Pre-splitting Blasting of Guojiahe Coal Mine
    DI Cun-Xu, CUI Hong-Lei, XING Li-Jie
    2018, 34(02):  53-55. 
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    Carbon dioxide splitter for coal seam permeability fracturing technique is a kind of liquid carbon dioxide gas based on expanding new relieving stress and improving permeability technology,reasonable blasting hole spacing is help for reducing the cost of blasting.Taking 1302 working face in Guojiahe Coal Mine as the study example,in order to determine the reasonable borehole spacing of the pre-splitting blasting of the working face,the field test is adopted,the test of the sample with different hole spacing of 2.5,3,3.5,5 m is carried out.The study results show that the smaller of the borehole spacing the higher pure extraction amount and concentration of gas,when the borehole spacing is reduced to 3 m,the influence of reducing the borehole spacing to gas extraction effects is not significant.Therefore,based on the above discussion results,the reasonable borehole spacing is 3 m.
    Design of the Milliseconds Differential Control Blasting Scheme of the Excavation  of a Road in Hanshan County,Anhui Province
    WANG Fu-Ming, WANG Yu, ZHU Lei
    2018, 34(02):  56-59. 
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    In order to ensure the blasting operation safety during the period of excavation construction of a road in Hanshan County in Anhui Province,the milliseconds differential control blasting scheme is designed,the reasonable blasting parameters is calculated,and the influence of blasting vibration and blasting slungshot to buildings is discussed.The field blasting vibration monitoring results show that the blasting vibration velocity of the buildings around the blasting area distributed is lower than the corresponding safety allowed vibration velocity,the blasting slungshot can be controlled within the safety scope.Based on the above study results,the further discussion results show that the goal of blasting safety can be realized by taking the effective measures of adopting differential hole-by-hole blasting technique and select the reasonable differential time,design the direction of monomer blasting free surface effectively,using the explosive with low detonation velocity and uncoupled charging mode,ensure the hole plugging length and quality.The above blasting scheme designed in this paper and some relative blasting safety measures can provide some reliable reference for the similar road excavation blasting operation.
    Simulation Study on the Rock Mass Failure Under the Action of Unloading Blasting
    WANG Yu, ZHANG Xi-Liang, YU Hai-Yun, CUI Zheng-Rong, YANG Hai-Tao
    2018, 34(02):  60-63+68. 
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    The geological hazards such as rock burst etc can be induced easily by the stress concentration area of deep deposit, using unloading blasting method to release the excess energy of stress concentration area is helpful for promoting the dynamic balance of whole energy system,the transfer of high stress to deep rock mass,stress redistribution of surrounding rock,so,the final goal of rock burst prevention can be realized.In order to study the influence of deep initial ground stress field to unloading blasting effects,the unloading blasting process of rock mass with three mining depth is simulated by adopting ANSYS/LS-DYNA software.The study results show that,with the increasing of the mining depth from 1 000 m to 3 000 m,the variation scope of the failure area caused by unloading blasting is significant,with the further increasing of initial ground stress, the inhibition effects of ground stress to the failure degree caused by unloading blasting is enhanced gradually,which caused the failure area volume formed by blasting stress wave and blasting gas is decreased significantly,and the volume variation doesn't characterized by monotonicity;the failure type of rock mass caused by unloading blasting is transferred from tensile failure to shear failure,the inhibition effects of ground stress to tensile failure or rock mass is obvious,while the shear failure of rock mass can be promoted by ground stress.The above analysis results can provide some theoretical reference for the unloading blasting design of deep ore-bodies.
    Experiment on Flotation of Fluorite-Barite Ore in Chongqing
    SHI Gui-Ming, ZHOU Yi-Chao, LI Ming, LIU Qin, ZHANG Jing-Jing
    2018, 34(02):  85-89. 
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    A fluorite-barite ore containing 52.57% BaSO4 and  32.77% CaF2 in Chongqing,of which the main objective minerals are barite and fluorite,the main gangue minerals are calcite,quartz and other minor impurities,is difficult to beneficiate.In order to recycle the barite and fluorite in the ore,dressing test was carried out. The results show that compared to the process of barite selective flotation and then fluorite flotation,the indexs of barite and fluorite bulk flotation-separation flotation principle process were better.Under the grinding fineness of -0.074 mm 75%,bulk flotation with sodium dodecyl sulfate as collector,acid sodium silicate,tannin and aluminum sulfate as composite inhibitors,barite flotation with sodium carbonate as regulator and NaF as inhibitor,fluorite flotation with tannin,aluminum sulfate,sodium lignosulphonate and acid sodium silicate as composite inhibitors,oleic acid as collector,barite concentrate with yield of 52.44%,BaSO4 grade of 94.83% and recovery rate of 97.00%,fluorite concentrate with yield of 30.33%,CaF2 grade of 90.06% and recovery rate of 90.06% were obtained via circuit process of one roughing-one scavenging bulk flotation,bulk concentrate one roughing-two cleaning-one scavenging barite selective flotation and one roughing-four cleaning-one scavenging barite flotation.The effective separation of fluorite and barite with similar flotability was realized,which haved certain reference value and guiding significance to exploit and utilize the similar ore.
    Beneficiation Experiment on a Carbon-bearing High Arsenic and Sulfide Gold Ore
    HU Rui-Biao, LIANG Xiao, WANG Xing
    2018, 34(02):  90-93. 
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    The grade of gold ore with high sulfur and high arsenic is 421 g/t,containing 082% of arsenic and 085% of carbon,with fine grain.Sulphide packages gold and exposed gold accounted for 9831% of total gold in the ore.The gold is distributed in pyrite and quartz,sericite and other gangue minerals.In this paper,direct cyanide leaching,pretreatment- cyanide leaching,flotation-pretreatment-cyanide leaching all were used for recycling gold from ore.The results of the test show that both cyanide leaching-derectly and pretreatment-cyanide leaching are bad for the gold recovery.By adopting the closed circuit flotation flowsheet of single-stage roughing,two-stage scavenging and three-stage cleaning after primary grinding(-0074 mm 90%)，single-stage roughing,two-stage scavenging and three-stage cleaning after second stage grinding,finally the process of flotation-pretreatment of cyanide leaching of tailings was determined.The gold concentrate of flotaion with recovery rate of 6722%,grade of gold 2336 g/t and the silver 9600 g/t，the leaching rate reaches 2336%，the total recovery is 9058%.
    Experiment on Desulfurization by Flotation of High Sulfur Bauxite in Guizhou
    XU Bin
    2018, 34(02):  94-96+102. 
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    Contents of sulphur and Al2O3 in a high sulphur bauxite in Guizhou are 5.45% and 57.34% respectively,the disseminated grain size is fine and the main useful mineral is diaspore.In order to provide qualified bauxite concentrate for alumina production,desulfurization experiment was carried out by flotation desulphurization technology.The results show that raw ore grinding to -0.075 mm 85%,with SNS as inhibitor,copper sulfate as activator and butyl xanthate as collector,in the condition of pulp pH=8.5,a good index of  bauxite concentrate with sulfur content of 0.32%,desulfurization rate of  94.89% was ontained via one roughing-three cleaning-two scavenging flotation desulphurization closed cycle process,which could meet the demands of alumina production by Bayer process for the content of sulfur in raw materials and the tailings could also be used as the raw material for the production of sulphuric acid,so the comprehensive benefits were better.
    Beneficiation Experiment on a Refractory Gold Ore
    CHEN Song-Mei, LIANG Xue-Feng, WU Guo-Fu, HUANG Guo-Gang, LI Meng-Zhou, ZHANG Yun-Dong
    2018, 34(02):  97-99+102. 
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    Gold grade of an intractable gold ore is 3.21 g/t,the disseminated grain size is fine. The main occurrence state of gold is monolithic gold,fissure gold and inclusive gold,the major gold-bearing minerals are quartz,pyrite,limonite and feldspar. In order to recyle the gold in the ore,beneficiation test by gravity separation-flotation-magnetic separation was carried out，after  comparing the single flotation,gravity separation-flotation,gravity separation-flotation-magnetic separation. The results show that,at the grinding fineness of -0.074 mm 72%,mixed gold concentrate with yield of 6.71%,grade of 40.57 g/t,recovery of 85.12% was obtained,via gravity separation,one roughing-two cleaning-two scavenging closed flotation,magnetic separation,which could be used for the reference to determine the processing flowsheet.
    Application of Integrated Emergency Broadcast System in the Emergency Rescue in Coal Mine
    WANG Yan
    2018, 34(02):  118-122. 
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    Mine emergency rescue is an important part of the safety production work in coal mine,emergency rescue communication is becoming an indispensable technique for mine emergency rescue work.The types emergency broadcast system are mainly for the emergency broadcast system based on analog radio technique,the emergency broadcast system based on IP radio technique and the emergency broadcast system based on CAN radio technique,the composition and characteristics of the systems are analyzed,and the structure and the functions of communication,personnel positioning and vehicle management of mine integrated emergency broadcast system are studied in depth.The study results show that greater role of emergency broadcast system will be paid in mine emergency rescue command,regional emergency command,underground emergency call,escape route guidance,personnel dynamic tracking and video linkage tracking.
    Development of Network Automation Control System with Primary and Secondary Stations  of Emulsified Explosive Production Line
    CHEN Yong-Liang, ZHANG Xin, WANG Can-Can
    2018, 34(02):  123-127. 
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    With the gradually mature of the emulsified explosive production technique,the development of emulsified explosive production equipment technique and the improvement of the requirements our county and industry to the safety of emulsified explosive production,it is necessary to ensure the safety of emulsified explosive production by improving the automation degree of emulsified explosive production and reducing the number of online operators.Taking Anhui Hengyuan Technical Research Chemical Co.,Ltd. as an example,the network automatic control system with primary and secondary stations of emulsified explosive production line of the company is designed and developed.In the system,medium-sized Siemens S7-300 PLC system is adopted,a primary station and two secondary stations are set,the communications of the stations is realized by Ethernet,so the transmission bandwidth and efficiency of the control data obtained by the system are improved effectively,the control data of the production process can be processed timely,the rapid output response of system is guaranteed,besides that,the safety of emulsified explosive production is ensured;several upper machines are installed in the system,which is help for operating the system simultaneity,if a single system break down,other standby stations can be assessed to the system.The applications of the system show that since December in 2016,the system is developed and applied,the indexes of some relative standards are met by the emulsified explosive produced by the system,the system operation is table,it can provide some reference for realizing the goals of no (little) humanized operation,intelligent control,diversified platform display,remote operation of production equipment of emulsified explosive production line.
    Experimental Study on Cavitation erosion and Abrasive erosion Properties of  the Front Liner material of Dredged Mud Punp
    ZHAO Tian-Biao, WANG Jin-Wen, YANG Xing-Hua, HAO Zhi-Gang
    2018, 34(02):  128-130. 
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    In view of the poor anti-cavitation performance of large dredged mud pump front liner,this paper proposes to replace the existing high chromium alloy steel material with elastomer material,which can slow down the cavitation and abrasire damage to the lining surface.Through the tests of cavitation and abrasion,it is found that polyurethane 72 was more resistant to cavitation and abrasion than elastomer 60,polyurethane 95 and high chromium alloy steel.It could be applied to the mud pump liner,which could effectively improve the corrosion resistance performance of the present high chromium alloy steel liner and extend the usage periodic.
    Optimization of the Ramp Ventilation System of Xinli Mine Shaft of Sanshandao Gold Mine
    HOU Cheng-Lu, HE Shun-Bin, WANG Ming-Bin, ZHAO Hong-Kai, WANG Peng-Fei, ZHOU Wei, JU Wei-Wei
    2018, 34(02):  159-162. 
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    Taking the ramp ventilation system of Xinli Mine Shaft of Sanshandao Gold Mine as the study example,aming at the existing problems of low visibility of ramp,accumulation of gun smoke and dust,high humidity and ventilation disorder of connection roadways of middle sections of Xinli Mine Shaft,the ventilation system of Xinli Mine Shaft is studied systematically by using ventilation network optimization technique and fan optimization selection technique,the new ventilation model that is fresh wind from main shafts and measures shafts is imported to the ramp through the -240 m level northwest roadway by adopting the forces ventilation technique,besides that,the ventilation calculation is done by using Ventsim three-dimensional ventilation dynamic simulation software.The study results show that the return air route of the underground east and west wing is optimized and a K45-6-№16 type fan is installed in the 67# line transportation roadway,import air volume of ramp is improved from 15.03 m3/s to 50.12 m3/s,and the import air volume of the connection roadways of -320,-360,-400,-440,-480 m middle sections are 11.33,11.21,11.15,11.09,11.01 m3/s respectively.Therefore,the foal of ramp ventilation smooth is realized,the ventilation disorder phenomenon in ramp connection roadway is improved effectively,besides that,the technical support for safety production of the mine is provided.
    Optimization and Comparative of Dumping Technique of a Dump with High Slope
    LI Xiao-Ai, QU Xiao-Peng
    2018, 34(02):  163-166. 
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    The dumping plough is used in the dump with high slope,after the determination of the maximum height allowed by steps,in order to select the optimal dumping technique of the lower steps of the dump with multiple steps transported by the one with high slope and single step,the feasible dumping techniques and their adaptive are analyzed,the dumping techniques of chute humping-automobile transportation and dumper transportation are analyzed emphatically,the results show that the economic indicators of investment and transportation cost of the former are superior to the later,which can provide some technical reference for the slope optimization and governance of the dumps with high slope.
    Study on the Disposal Measures of Surface Subsidence Caused by Goaf Unstability
    HUANG He-Ping, HOU Ke-Peng
    2018, 34(02):  167-169. 
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    In view of the surface subsidence caused by goaf unstability, the macroscopic mechanical parameters of the rock mass of a mine is determined.Through FLAC3D  numerical simulation study,the surface deformation scope is delineated and corresponding safety monitoring work is done.Based on the above study results,the disposal measures of goaf and surface subsidence area is proposed by using unclassified tailings cement filling method.The study results show that the surface subsidence problem,the safety hazard problems existed in goaf by the applications of the above disposal measures,besides that,it is also help for solving the safety environmental problems caused by tailings emission,and the goal of green mining can be realized.
    A Method for Increasing Reclaimed Water Quality of Tailings Pond
    LI Rui-Lin, CHEN Huan
    2018, 34(02):  170-171+174. 
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    Based on analyzing the composition of the reclaimed water of the tailings pond,taking a wet tailings pond in Xilingol League in Inner Mongolia as an example,a method of increasing the reclaimed water by using suspended ball is proposed.Theoretical analysis and comparative test  verification results show that the method can greatly reduce the evaporation and increase the reclaimed water,it is worth popularizing in the management of tailings pond in the water shortage area.