煤炭技术
煤炭技術
매탄기술
Coal Technology
2015年
11期
198-199,200
,共3页
吴兵%江泽泳%孙亮%兰易
吳兵%江澤泳%孫亮%蘭易
오병%강택영%손량%란역
煤层注水%降尘剂%接触角%表面张力%吸湿增长率
煤層註水%降塵劑%接觸角%錶麵張力%吸濕增長率
매층주수%강진제%접촉각%표면장력%흡습증장솔
seam water injection%dust suppressant%contact angle%surface tension%wetting rate
分别测定了3种不同降尘剂在不同浓度条件下的表面张力及其与同忻矿8105工作面煤样的接触角,在此基础上通过对比煤样在所选最佳降尘剂溶液和纯水中的吸湿增长率,得到最佳降尘剂及其浓度,并进行现场试验,煤层含水率显著提高,从而为该矿的煤层注水提高了科学依据。
分彆測定瞭3種不同降塵劑在不同濃度條件下的錶麵張力及其與同忻礦8105工作麵煤樣的接觸角,在此基礎上通過對比煤樣在所選最佳降塵劑溶液和純水中的吸濕增長率,得到最佳降塵劑及其濃度,併進行現場試驗,煤層含水率顯著提高,從而為該礦的煤層註水提高瞭科學依據。
분별측정료3충불동강진제재불동농도조건하적표면장력급기여동흔광8105공작면매양적접촉각,재차기출상통과대비매양재소선최가강진제용액화순수중적흡습증장솔,득도최가강진제급기농도,병진행현장시험,매층함수솔현저제고,종이위해광적매층주수제고료과학의거。
Through experimentation, the contact angle of three dust suppressant of different concentration with coal samples at No.8105 mining face in Tongxin mine and its surface tension was measured respectively. On the basis of this, contrast the wetting rate of coal sample between the dust suppressant and pure water, get the appropriate dust suppressant and tis optimal concentration. Then carried on field trial, the effect was improved obviously, which provides theory basis for seam water injection of Tongxin mine.