山东煤炭科技
山東煤炭科技
산동매탄과기
Shandong Coal Science and Technology
2015年
8期
11-13
,共3页
湿喷%粉尘浓度%回弹率%支护强度
濕噴%粉塵濃度%迴彈率%支護彊度
습분%분진농도%회탄솔%지호강도
wet spraying%dust concentration%rebound ratio%support strength
针对锚喷作业面采用干喷工艺造成的环境污染、支护质量差、材料浪费等问题，通过采用SPB7-T型湿式混凝土喷射机及其配套搅拌装置，与原有干喷作业相比，湿喷作业区平均粉尘浓度降低了92%，喷射混凝土28 d抗压强度提高了37%，回弹率降低了20%以上。
針對錨噴作業麵採用榦噴工藝造成的環境汙染、支護質量差、材料浪費等問題，通過採用SPB7-T型濕式混凝土噴射機及其配套攪拌裝置，與原有榦噴作業相比，濕噴作業區平均粉塵濃度降低瞭92%，噴射混凝土28 d抗壓彊度提高瞭37%，迴彈率降低瞭20%以上。
침대묘분작업면채용간분공예조성적배경오염、지호질량차、재료낭비등문제，통과채용SPB7-T형습식혼응토분사궤급기배투교반장치，여원유간분작업상비，습분작업구평균분진농도강저료92%，분사혼응토28 d항압강도제고료37%，회탄솔강저료20%이상。
Based on the environmental pollution, the poor supporting quality and material wasting problem caused by the spray drying process in anchor Spraying surface, Through the use of SPB7-T wet type concrete injection machine and its ancillary stirring device, and compared with the original dry spraying, , the average dust concentration reduce 92%, injection of 28 day compressive strength of concrete increased by 37%, rebound rate is reduced by more than 20% in wet spraying District.
