The utility model relates to the technical field of sand control engineering, in particular to a sand-fixing net coil with a narrow film in the middle part. The technical problem to be solved and the technical task put forward by the utility model are to overcome the defects of the prior art and to produce a sand-fixing net coil with a narrow film in the middle part. A kind of sand-fixing net coil with narrow film in the middle part is characterized in that the width of the sand-fixing net is between 35 cm and 180 cm, a pipe between 5 cm and 10 cm in diameter and between 35 cm and 180 cm in length is the axis of the net coil, and a narrow film is sandwiched between the middle part of the sand-fixing net and the width of the narrow film is between 12 cm and 40 cm. The middle part of the sand-fixing net is sandwiched with a narrow film and rolled around one layer of the pipe to form a sand-fixing net coil with a narrow film in the middle part.
【技术实现步骤摘要】
一种中间部位夹有窄幅薄膜的固沙网卷
本技术涉及治沙工程
,具体为一种中间部位夹有窄幅薄膜的固沙网卷。
技术介绍
目前,在沙漠化治理中,已在使用塑料固沙网的中间部位粘贴有一层薄膜的悬袋网材和U形固沙网材,用于施工悬袋形高立式拦沙网和U形固沙网,可把沙漠地貌利用起来成为高效的沙障,大幅度提高了沙障的拦沙、固沙功能。悬袋形高立式拦沙网和U形固沙网的拦沙固沙的理论依据是“沙障与沙漠地貌顶部相结合.拦沙固沙功能定律”。沙障与沙漠地貌顶部相结合.拦沙固沙功能定律,其文字表述是:“置在沙漠地貌(流动沙丘、沙垄、沙埂、沙墩)顶部的沙障,具有拦截和固定流动沙漠的功能,功能的大小,等于1.42倍,沙漠地貌的高度,加上沙漠地貌顶部沙障高度之和的平方,乘沙漠地貌顶部等高线上沙障的长度。”其数学表述是:V=1.42(H1+H2)2L式中V为积沙量,H1为沙漠地貌(流动沙丘、沙坝、沙埂)的高度,H2为沙漠地貌顶部沙障的高度,L为沙漠地貌顶部等高线上沙障的长度。由于该定律已通过许多治沙工程证明了沙漠上的流动沙丘、沙垄、沙埂、沙墩是可以在顶部沙脊线上设置沙障,用来拦截和固定流动沙漠的。使有害的沙漠地貌(流动沙丘、沙垄)变成了功能巨大的沙障。申请人已于2014年6月10日申请了一种附有塑料薄膜的固沙拦沙网,用于施工悬袋形高立式拦沙网和U形固沙网沙埂,效果很好,该项专利技术是把窄幅塑料薄膜粘贴在固沙网中间部位,固沙网施工在沙漠上后,粘贴在固沙网上的薄膜,阻止沙漠沙从固沙网孔中筛漏出去,保证工程质量。由于粘贴工序要用特制的塑料薄膜粘贴机器,非常麻烦,且特制的薄膜粘贴机器只能粘贴塑料薄膜, ...
【技术保护点】
1.一种中间部位夹有窄幅薄膜的固沙网卷,其特征在于:固沙网的宽幅在35cm至180cm之间,一根直径在5cm至10cm之间、长度在35cm至180cm之间的管子为网卷的轴心,固沙网的中间部位,夹着一层窄幅薄膜,窄幅薄膜的宽幅在12cm至40cm之间,固沙网中间部位夹着窄幅薄膜围绕着管子一层一层卷着,构成一种中间部位夹有窄幅薄膜的固沙网卷。
【技术特征摘要】
1.一种中间部位夹有窄幅薄膜的固沙网卷,其特征在于:固沙网的宽幅在35cm至180cm之间,一根直径在5cm至10cm之间、长度在35cm至180cm之间的管子为网卷的轴...
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