摘要：【中文】本申请公开了一种高韧性、电磁屏蔽聚苯硫醚复合材料的制备方法，依次包括如下步骤：S1按如下质量份数准备原料：聚苯硫醚20～50份、聚碳酸酯5～30份、镀镍碳纤维5～30份、导电钛酸钾晶须纤维5～30份、加工助剂0.1～10份；S2将上述聚苯硫醚、聚碳酸酯以及加工助剂在回转式混合机混合后，从双螺杆挤出机主下料口投入，然后将上述镀镍碳纤维和导电钛酸钾晶须纤维分别经振动式送料器后从所述双螺杆挤出机第一侧喂料口和第二侧喂料口投入，进行熔融混合挤出造粒。本发明的优点在于添加韧性较高的聚碳酸酯等树脂进行合金化增韧，并填充导电碳纤维和导电陶瓷纤维，利用不同尺寸的碳纤维和陶瓷纤维形成连续的导电网路，制备高韧性、电磁屏蔽功能聚苯硫醚复合材料。 【EN】The application discloses a preparation method of a high-toughness electromagnetic shielding polyphenylene sulfide composite material, which sequentially comprises the following steps: s1, preparing raw materials in parts by mass as follows: 20-50 parts of polyphenylene sulfide, 5-30 parts of polycarbonate, 5-30 parts of nickel-plated carbon fiber, 5-30 parts of conductive potassium titanate whisker fiber and 0.1-10 parts of processing aid; s2, mixing the polyphenylene sulfide, the polycarbonate and the processing aid in a rotary mixer, then feeding the mixture from a main feed opening of a double-screw extruder, feeding the nickel-plated carbon fibers and the conductive potassium titanate whisker fibers through a vibrating feeder respectively, and then feeding the fibers from a first side feed opening and a second side feed opening of the double-screw extruder for melt mixing, extrusion and granulation. The invention has the advantages that the high-toughness and electromagnetic shielding polyphenylene sulfide composite material is prepared by adding the resin such as polycarbonate with high toughness for alloying and toughening, filling the conductive carbon fibers and the conductive ceramic fibers, and forming a continuous conductive network by utilizing the carbon fibers and the ceramic fibers with different sizes.

摘要：【中文】本申请公开了一种低粗糙度、高CTI值阻燃聚酰胺复合材料的制备方法，依次包括如下步骤：S1按质量份数准备如下原料：半芳香族聚酰胺30～70份、复合型阻燃剂5～30份、阻燃协效剂2～15份、钛酸钾晶须5～30份、氮化硼晶须5～30份、抗氧剂0.1～5份、润滑剂0.1～5份；S2将上述半芳香族聚酰胺、抗氧剂、润滑剂经高速混合机混合后，经主送料器从双螺杆挤出机主下料口投入，然后将上述复合型阻燃剂、阻燃协效剂混合后经主送料器从所述双螺杆挤出机主下料口投入，将上述钛酸钾晶须、氮化硼晶须分别经振动式送料器从所述双螺杆挤出机第一侧喂料口、第二侧喂料口投入，进行熔融混合挤出造粒。本发明的优点在于制得的复合材相较传统的玻纤增强红磷阻燃PA66材表面粗糙度更低，CTI值更高。 【EN】The application discloses a preparation method of a low-roughness high-CTI-value flame-retardant polyamide composite material, which sequentially comprises the following steps: s1, preparing the following raw materials in parts by weight: 30-70 parts of semi-aromatic polyamide, 5-30 parts of composite flame retardant, 2-15 parts of flame retardant synergist, 5-30 parts of potassium titanate whisker, 5-30 parts of boron nitride whisker, 0.1-5 parts of antioxidant and 0.1-5 parts of lubricant; s2, mixing the semi-aromatic polyamide, the antioxidant and the lubricant through a high-speed mixer, then feeding the mixture through a main feeder from a main feed opening of a double-screw extruder, mixing the composite flame retardant and the flame-retardant synergist, then feeding the mixture through the main feeder from the main feed opening of the double-screw extruder, respectively feeding the potassium titanate whiskers and the boron nitride whiskers through a vibrating feeder from a first side feed opening and a second side feed opening of the double-screw extruder, and carrying out melt mixing extrusion granulation. Compared with the traditional glass fiber reinforced red phosphorus flame-retardant PA66 material, the prepared composite material has the advantages of lower surface roughness and higher CTI value.

摘要：【中文】本申请公开了一种LED用高耐候性、高反射率聚酰胺复合材料的制备方法，依次包括如下步骤：S1按质量份数准备如下原料：半芳香族聚酰胺30～70份、钛白粉5～30份、钛酸钾晶须5～30份、纳米金属氧化物1～15份、耐水解剂0.1～5份、光稳定剂0.1～5份、成核剂0.1～2份、加工助剂0.1～5份；S2将上述半芳香族聚酰胺、成核剂、光稳定剂、加工助剂经高速混合机混合后，经主送料器从双螺杆挤出机主下料口投入，将上述钛白粉、纳米金属氧化物、钛酸钾晶须、耐水解剂经高速混合机混合后从所述双螺杆挤出机侧喂料口投入，熔融混合挤出造粒。本发明的优点在于采用聚酰胺为基体树脂，同时添加长效光稳定剂和耐水解剂进一步提高基材的耐光耐水性，使得高温聚酰胺材料的耐候性大大提高。 【EN】The application discloses a preparation method of a polyamide composite material with high weather resistance and high reflectivity for an LED, which sequentially comprises the following steps: s1, preparing the following raw materials in parts by weight: 30-70 parts of semi-aromatic polyamide, 5-30 parts of titanium dioxide, 5-30 parts of potassium titanate whisker, 1-15 parts of nano metal oxide, 0.1-5 parts of hydrolysis resistance agent, 0.1-5 parts of light stabilizer, 0.1-2 parts of nucleating agent and 0.1-5 parts of processing aid; s2, mixing the semi-aromatic polyamide, the nucleating agent, the light stabilizer and the processing aid by a high-speed mixer, then feeding the mixture from a main feed opening of a double-screw extruder by a main feeder, mixing the titanium dioxide, the nano metal oxide, the potassium titanate whisker and the hydrolysis resistance agent by the high-speed mixer, then feeding the mixture from a side feed opening of the double-screw extruder, and carrying out melt mixing, extrusion and granulation. The invention has the advantages that the polyamide is used as matrix resin, and the long-acting light stabilizer and the hydrolysis resistance agent are added simultaneously to further improve the light resistance and the water resistance of the base material, so that the weather resistance of the high-temperature polyamide material is greatly improved.

摘要：【中文】本发明公开了一种穿越断层破碎带的富水软弱围岩隧道施工方法，由后向前对所施工隧道中的多个隧道节段分别进行施工，对任一个隧道节段进行施工时，包括以下步骤：一、管棚超前支护；二、隧道开挖及初期支护：上部周侧洞体开挖及初期支护、预留核心土区域洞体开挖及初期支护、先开挖洞体开挖及初期支护和后开挖洞体开挖及初期支护；三、隧道二次衬砌施工。本发明设计合理且施工简便、使用效果好，开挖之前采用自钻式管棚对上洞体进行超前支护且采用两台阶法开挖，能有效提高施工效率；同时，将洞外围岩整体加固结构与洞内的隧道初期支护结构和隧道二次衬砌连接形成结构稳固的整体性支护体系，能有效提高隧道结构稳固性，确保后期隧道结构安全。 【EN】The invention discloses a construction method of a water-rich weak surrounding rock tunnel penetrating through a fault fracture zone, which is characterized in that a plurality of tunnel sections in a constructed tunnel are respectively constructed from back to front, and when any tunnel section is constructed, the construction method comprises the following steps: firstly, pipe shed advanced support; secondly, tunnel excavation and primary support: excavating and primary supporting of a hole body on the peripheral side of the upper part, excavating and primary supporting of a hole body in a reserved core soil area, excavating and primary supporting of a hole body excavated first and excavating and primary supporting of a hole body excavated later; and thirdly, secondary lining construction of the tunnel. The invention has reasonable design, simple and convenient construction and good use effect, adopts the self-drilling pipe shed to advance support the upper hole body before excavation and adopts a two-step method to excavate, thus effectively improving the construction efficiency; simultaneously, the whole reinforced structure of peripheral rock in hole and the tunnel primary support structure in the hole and tunnel secondary lining are connected and are formed the firm wholeness supporting system of structure, can effectively improve the tunnel structure steadiness, ensure later stage tunnel structure safety.

摘要：【中文】本发明涉及一种热轧U型钢板桩轧制工艺，包括连铸坯预处理、轧制及矫直工序，轧制过程中，轧辊的孔型按照U型钢板桩锁口开口向下的形式设置；获得的U型钢板桩有效宽度偏差为±2％W₁，W₁为U型钢板桩的有效宽度；有效高度偏差为±4％H₁，H₁为U型钢板桩的有效高度；腹板厚度偏差为±1.5mm，侧弯偏差不大于3mm，翘曲偏差不大于7.5mm，端面斜度不大于4％W₁；U型钢板桩的屈服强度为270～460N/mm，抗拉强度为410～720N/mm，断后伸长率不小于17％。本发明有利于提高轧辊使用寿命；提高U型钢板桩的强度、硬度、塑性及韧性；在得到符合使用要求的U型钢板桩的同时，提高了生产效率，降低了生产成本。 【EN】The invention relates to a hot-rolled U-shaped steel sheet pile rolling process, which comprises the working procedures of continuous casting blank pretreatment, rolling and straightening, wherein in the rolling process, the pass of a roller is arranged in a mode that a locking opening of a U-shaped steel sheet pile faces downwards; the deviation of the effective width of the obtained U-shaped steel plate pile is +/-2% W₁，W₁The effective width of the U-shaped steel sheet pile is obtained; effective height deviation of + -4% H₁，H₁The effective height of the U-shaped steel sheet pile is obtained; the thickness deviation of the web is +/-1.5 mm, the lateral bending deviation is not more than 3mm, the warping deviation is not more than 7.5mm, and the end face inclination is not more than 4% W₁(ii) a The yield strength of the U-shaped steel sheet pile is 270-460N/mm, the tensile strength is 410-720N/mm, and the elongation after fracture is not less than 17%. The invention is beneficial to prolonging the service life of the roller; the strength, hardness, plasticity and toughness of the U-shaped steel sheet pile are improved; the production efficiency is improved and the production cost is reduced while the U-shaped steel sheet pile meeting the use requirement is obtained.

摘要：【中文】本发明涉及一种含Nb微合金化高强度耐海水腐蚀工程用钢板桩的生产方法，所述钢板桩的化学成分及质量百分比为：Nb 0.05％～0.15％、Cu 0.005％～0.015％、Cr 0.008％～0.02％、P≤0.02％、C 0.1％～0.27％、Si 0.15％～0.35％、Mn 1.25％～1.55％、S≤0.02％、Cr 0.008％～0.02％，其余为Fe及不可避免的杂质；本发明在保证所制备的钢板桩能够符合当前对海洋工程要求的同时，通过增加相应复合元素，使钢板桩的强度、韧度、耐腐蚀性能得到提升，降低磨损程度，减少污染，延长其服役寿命。 【EN】The invention relates to a production method of a Nb-containing microalloyed high-strength seawater corrosion resistant steel sheet pile for engineering, which comprises the following chemical components in percentage by mass: 0.05 to 0.15 percent of Nb, 0.005 to 0.015 percent of Cu, 0.008 to 0.02 percent of Cr, less than or equal to 0.02 percent of P, 0.1 to 0.27 percent of C, 0.15 to 0.35 percent of Si, 1.25 to 1.55 percent of Mn, less than or equal to 0.02 percent of S, 0.008 to 0.02 percent of Cr, and the balance of Fe and inevitable impurities; the invention ensures that the prepared steel sheet pile can meet the current requirements on ocean engineering, and simultaneously improves the strength, toughness and corrosion resistance of the steel sheet pile, reduces the abrasion degree, reduces the pollution and prolongs the service life of the steel sheet pile by adding corresponding composite elements.

摘要：【中文】一种水性无溶剂聚氨酯树脂及其制备方法，属于高分子材料技术领域，包括如下重量份数的物质：二元醇150‑350份，二异氰酸酯50‑200份，小分子扩链剂5‑25份，二羟甲基丙酸5‑25份，中和剂3‑25份，去离子水400‑800份。本发明从源头彻底消除了有机污染，节约了有机溶剂资源，消除了安全隐患，改善了劳动者就业环境；同时缩减了生产工艺，减少了重金属污染，降低了生产成本。 【EN】A water-based solvent-free polyurethane resin and a preparation method thereof belong to the technical field of high polymer materials, and comprise the following substances in parts by weight: 150-350 parts of dihydric alcohol, 50-200 parts of diisocyanate, 5-25 parts of micromolecular chain extender, 5-25 parts of dimethylolpropionic acid, 3-25 parts of neutralizing agent and 400-800 parts of deionized water. The invention thoroughly eliminates organic pollution from the source, saves organic solvent resources, eliminates potential safety hazards and improves the employment environment of workers; meanwhile, the production process is reduced, the heavy metal pollution is reduced, and the production cost is reduced.

摘要：【中文】一种具有阻燃效果的合成革用水性表处剂及其制备方法，属于合成革生产领域，包括如下重量份数的物质：聚合物二元醇160‑240份，含磷多元醇24‑36份，聚二异氰酸酯56‑85份，羧酸型小分子二元醇9.5‑13.2份，羟基型小分子二元醇7‑16份，催化剂0.5‑1.0份，丙酮120‑180份，中和剂6.3‑10份，去离子水610‑930份，抗氧剂1‑2份，润湿剂4‑6份，流平剂4‑6份，手感剂2‑5份，增稠剂3‑5份。本发明提供的将含磷多元醇通过化学方法引入到聚氨酯大分子结构中，避免物理阻燃剂带来的迁移问题，能长久的保持聚氨酯胶膜具有良好的阻燃效果。 【EN】An aqueous surface treating agent with flame retardant effect for synthetic leather and a preparation method thereof belong to the field of synthetic leather production, and comprise the following substances in parts by weight: 240 parts of polymer dihydric alcohol 160-36 parts, 24-36 parts of phosphorus-containing polyhydric alcohol, 56-85 parts of polyisocyanate, 9.5-13.2 parts of carboxylic acid type micromolecule dihydric alcohol, 7-16 parts of hydroxyl type micromolecule dihydric alcohol, 0.5-1.0 part of catalyst, 180 parts of acetone 120-one, 6.3-10 parts of neutralizing agent, 930 parts of deionized water 610-one, 1-2 parts of antioxidant, 4-6 parts of wetting agent, 4-6 parts of flatting agent, 2-5 parts of hand feeling agent and 3-5 parts of thickening agent. The phosphorus-containing polyol is introduced into the polyurethane macromolecular structure by a chemical method, so that the migration problem caused by a physical flame retardant is avoided, and the polyurethane adhesive film can be kept to have a good flame retardant effect for a long time.

摘要：【中文】一种水性聚氨酯树脂及其制备方法，属于高分子材料技术领域，包括如下重量份数的物质：聚合物多元醇160‑330份，蓖麻油20‑40份，有机蒙脱土2‑5份，硅烷偶联剂0.5‑1.2份，聚二异氰酸酯56‑100份，羟甲基酸7.2‑14.8份，羟基型小分子多元醇7‑21份，催化剂0.2‑0.4份，丙酮80‑140份，中和剂5.5‑7.5份，去离子水600‑1120份，助剂8‑15份。本发明通过硅烷偶联剂与蒙脱土进行插层改性反应，使蒙脱土的片层间距打开更有利于高分子链的插层，同时使水分散蒙脱土与有机相的相容性更好，有利于乳液的稳定，同时增强了材料的耐水和耐碱性能。 【EN】A waterborne polyurethane resin and a preparation method thereof belong to the technical field of high polymer materials, and comprise the following substances in parts by weight: 330 parts of polymer polyol 160-one, 20-40 parts of castor oil, 2-5 parts of organic montmorillonite, 0.5-1.2 parts of silane coupling agent, 56-100 parts of polyisocyanate, 7.2-14.8 parts of hydroxymethyl acid, 7-21 parts of hydroxyl type micromolecule polyol, 0.2-0.4 part of catalyst, 80-140 parts of acetone, 5.5-7.5 parts of neutralizer, 1120 parts of deionized water 600-one and 8-15 parts of auxiliary agent. The silane coupling agent and the montmorillonite are subjected to intercalation modification reaction, so that the interlayer spacing of the montmorillonite is opened, the intercalation of a high molecular chain is facilitated, the compatibility of the water-dispersed montmorillonite and an organic phase is better, the stability of emulsion is facilitated, and the water resistance and alkali resistance of the material are enhanced.

摘要：【中文】本发明公开了一种主井液压站冗余回路改造系统，在液压站上增加一个专用回油管道，其一端连接绞车盘形刹车机构的制动缸出油端，其另一端连接一个冗余回路电磁阀的进口，该冗余回路电磁阀的出口通过管道进入油箱用于冗余回油，冗余回路电磁阀工作时通过PLC采集以采集绞车滚筒的编码器速度为信号源，当绞车到达正常停车位置不能停车或者绞车发生故障安全回路动作不能停车时，此时滚筒编码器仍能检测到速度时，通过PLC控制给冗余回路电磁阀信号，使冗余回路电磁阀失电导通回油通道，使液压站和回油管道油压强制回零。本发在液压站上新增加一个专用回油管道，一端连接盘形闸一端进入油箱，用于冗余回油。能够避免回油通道堵塞引发的制动失效。 【EN】The invention discloses a main well hydraulic station redundant loop reconstruction system.A special oil return pipeline is additionally arranged on a hydraulic station, one end of the special oil return pipeline is connected with an oil outlet end of a brake cylinder of a winch disc brake mechanism, the other end of the special oil return pipeline is connected with an inlet of a redundant loop electromagnetic valve, an outlet of the redundant loop electromagnetic valve enters an oil tank through a pipeline for redundant oil return, the redundant loop electromagnetic valve collects the speed of an encoder of a winch roller through a PLC (programmable logic controller) as a signal source when working, when the winch reaches a normal parking position and cannot be parked or the winch fails to work and cannot be parked through a safe loop action, the roller encoder can still detect the speed, a signal is sent to the redundant loop electromagnetic valve through PLC control, the redundant loop electromagnetic valve is powered off to conduct an oil return channel, and the oil. According to the invention, a special oil return pipeline is additionally arranged on the hydraulic station, and one end of the special oil return pipeline is connected with the disc brake and the other end of the special oil return pipeline enters the oil tank for redundant oil return. The brake failure caused by the blockage of the oil return channel can be avoided.