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    • 4. 发明授权
    • Polymer injection method for blocking piping in dikes and dams
    • 用于阻塞堤坝和坝体管道的聚合物注射方法
    • US08293325B2
    • 2012-10-23
    • US12721342
    • 2010-03-10
    • Fuming WangJianwu WangMingsheng ShiYingchun CaiQiang LiXiaoliang Wang
    • Fuming WangJianwu WangMingsheng ShiYingchun CaiQiang LiXiaoliang Wang
    • B05D7/22B05D1/02E02B3/10
    • E02B3/16E02B3/10Y02A10/13
    • A polymer injection method and apparatus for blocking piping in dikes and dams, uses non-water reacted two-component polymeric material to produce a hydra-insensitive expanding polymer for blocking piping channel. A transferring device is provided to the method, which includes an injection gun, an injector, and a hollow tube, wherein the injection gun connects with an entrance end of the hollow tube through the injector, and an outlet end of the hollow tube inserts into the entrance of the piping channel. The two components of the polymeric material are respectively transported to the injection gun, and are mixed and injected from the gun with high pressure, through the injector, to the hollow tube, and then pushed into the piping channel. Under the chemical reaction, the mixed material expands inside the receiver and becomes foamed solid from liquid, and then the polymer receiver inflates and blocks the piping channel quickly.
    • 用于阻挡堤坝和堤坝中的管道的聚合物注射方法和装置,使用非水反应的双组分聚合物材料来产生用于阻塞管道的不敏感膨胀聚合物。 提供了一种转移装置,该方法包括注射枪,注射器和中空管,其中注射枪通过注射器与中空管的入口端连接,并且中空管的出口端插入 管道通道的入口。 将聚合物材料的两个组分分别输送到注射枪,并通过喷射器高压混合并从枪喷射到中空管,然后推入管道。 在化学反应下,混合材料在接收器内部膨胀,并从液体中变成泡沫固体,然后聚合物接收器迅速膨胀并堵塞管道。
    • 5. 发明授权
    • Directional fracture grouting method with polymer for seepage control of dikes and dams
    • 定向断裂灌浆方法与聚合物对堤坝和坝坝的渗流控制
    • US08182178B2
    • 2012-05-22
    • US12721395
    • 2010-03-10
    • Fuming WangJianwu WangMingsheng ShiChengchao GuoYanhui ZhongBei ZhangXiaoliang Wang
    • Fuming WangJianwu WangMingsheng ShiChengchao GuoYanhui ZhongBei ZhangXiaoliang Wang
    • E02D3/12
    • E02D3/12
    • A directional fracture grouting method with polymer for seepage control of dikes and dams includes the steps of: arranging a plurality of directional fracture grouting holes at a predetermined distance along the axis of the dike or dam; forming the directional fracture grouting holes by pushing a special drilling tool; placing a hole-sealing grouting pipe and a fracture grouting pipe into each of the directional fracture holes; and injecting including the steps of firstly injecting a small amount of polymer material into the sealing-hole pipe, and secondly injecting predetermined amount of material into the fracture grouting pipe. Under the chemical reaction, the mixed material expands, fractures the soil along the guided directions, and forms a super thin polymer segment. Finally, the polymer segments are overlapped each other, and the seepage control system is constructed inside the dike or dam.
    • 一种具有聚合物的定向断裂灌浆方法,用于堤坝和堤坝的渗流控制,包括以下步骤:沿着堤坝或堤坝的轴线预定距离排列多个定向断裂灌浆孔; 通过推动特殊的钻具形成定向断裂灌浆孔; 在每个定向断裂孔中放置孔封注浆管和断裂灌浆管; 并且包括首先将少量聚合物材料注入到密封孔管中的步骤,以及其次将预定量的材料注入到断裂灌浆管中。 在化学反应下,混合材料膨胀,沿着引导方向破坏土壤,形成超薄聚合物段。 最后,聚合物段彼此重叠,渗流控制系统构建在堤坝或坝内。
    • 10. 发明授权
    • Solvent spun bamboo fiber with high wet modulus and producing method thereof
    • 高湿模量的溶剂纺丝竹纤维及其制备方法
    • US08926712B2
    • 2015-01-06
    • US13499512
    • 2010-09-07
    • Kun JiangXiaoliang WangChangli ZhuXin WangDianhai Zheng
    • Kun JiangXiaoliang WangChangli ZhuXin WangDianhai Zheng
    • D01F4/00D01F2/04D21C3/04D01C1/00D01F2/00D01D5/04
    • D01C1/00D01D5/04D01F2/00
    • A solvent spun bamboo fiber with a high wet modulus and a producing method thereof are disclosed. The producing method includes: activating by adding a bamboo pulp into de-ionized water, adjusting the pH value, adding cellulase and adjusting the pH value by adding alkali; squeezing by vacuum dehydration; pre-dissolving by adding an aqueous solution containing 50-88% by mass of N-methylmorpholine-N-oxide; then dissolving by putting the above pre-dissolved mixture into a dissolver, heating, vacuumizing, dehydrating, dissolving, homogenizing and defoaming; spinning by spraying through a spinneret and forming a bamboo fiber by dry-wet spinning; water washing; bleaching; oiling; and drying. The present method is simple to operate, free of industrial pollution, low energy consuming, and highly safe. The bamboo fiber produced by the present method not only keeps the natural physical and chemical properties of bamboo fiber, but also has a high wet modulus without harmful chemical residues.
    • 公开了一种具有高湿模量的溶剂纺丝竹纤维及其制造方法。 其制造方法包括:通过向去离子水中加入竹浆进行活化,调节pH值,加入纤维素酶并通过加入碱调节pH值; 真空脱水挤压; 通过加入含有50-88质量%的N-甲基吗啉-N-氧化物的水溶液进行预溶解; 然后通过将上述预先溶解的混合物放入溶解器中进行溶解,加热,真空,脱水,溶解,均化和消泡; 通过喷丝头喷雾纺丝并通过干湿纺丝形成竹纤维; 水洗; 漂; 注油; 并干燥。 本方法操作简单,无工业污染,能耗低,安全性高。 本发明生产的竹纤维不仅保持了竹纤维的天然物理化学性质,而且具有较高的湿模量,无有害化学残留物。