摘要：【中文】一种不锈钢膨胀管硬化处理工艺，包括以下步骤：用1.05‑1.1大气压的高压空气对不锈钢膨胀管内壁进行除尘吹扫；在不锈钢膨胀管内壁均匀的涂抹二硫化钼润滑剂形成稳定的润滑油膜；在不锈钢膨胀管两端和周身上夹持固定装置，以减少在加工过程中由于震动而造成的缺陷；安装三轴控制系统，连接滚珠总成工具，将滚珠总成工具放置于不锈钢膨胀管内壁中，驱动使其在不锈钢膨胀管内壁中径向旋转；处理过程中持续调整三轴控制系统，以此均匀的对不锈钢内壁进行硬化；对加工完的不锈钢膨胀管内壁进行检验，确保硬度>HB300，光洁度在0.8以上。与现有技术相比本发明的有益效果是：在不影响材料的屈服强度、均匀延展率的条件下，增加其表面硬度和光洁度。 【EN】A hardening treatment process for a stainless steel expansion pipe comprises the following steps: dedusting and purging the inner wall of the stainless steel expansion pipe by using high-pressure air with the pressure of 1.05-1.1 atm; uniformly coating a molybdenum disulfide lubricant on the inner wall of the stainless steel expansion pipe to form a stable lubricating oil film; clamping and fixing devices at two ends and the whole body of the stainless steel expansion pipe to reduce defects caused by vibration in the machining process; installing a three-axis control system, connecting a ball assembly tool, placing the ball assembly tool in the inner wall of the stainless steel expansion pipe, and driving the ball assembly tool to radially rotate in the inner wall of the stainless steel expansion pipe; continuously adjusting the three-axis control system in the treatment process so as to uniformly harden the inner wall of the stainless steel; and (3) inspecting the inner wall of the processed stainless steel expansion pipe to ensure that the hardness is greater than HB300 and the smoothness is more than 0.8. Compared with the prior art, the invention has the beneficial effects that: the surface hardness and the smoothness of the material are increased under the condition of not influencing the yield strength and the uniform elongation of the material.

摘要：【中文】本发明涉及种高铬双相钢膨胀管制备技术领域，具体为一种高铬双相钢膨胀管的制备方法。对高铬双相钢膨胀管采用电磁感应正火，利用本发明设计的机构对管材内壁进行研磨以及对管材内壁表面进行固体润滑膜涂敷等工艺，在适当降低材料屈服强度的前提下，增加成品管材的表面硬度和光洁度，防止双相不锈钢管材在膨胀过程中出现表面鳞化和材料堆积现象，达到降低和稳定膨胀力的效果，保证了膨胀施工的顺利进行，经实际测试，通过本工艺处理的高铬双相钢膨胀管，在膨胀过程中压力比未处理过的材料低30%左右，同时随着膨胀长度的增加，膨胀压力保持不变，使得高铬双相不锈钢膨胀管大长度大膨胀率的安装施工成为可能，拓宽了高铬双相不锈钢膨胀管的应用范围。 【EN】The invention relates to the technical field of high-chromium dual-phase steel expansion pipes, in particular to a preparation method of a high-chromium dual-phase steel expansion pipe. The high-chromium dual-phase steel expansion pipe is normalized by adopting electromagnetic induction, the inner wall of the pipe is ground by utilizing the mechanism designed by the invention, and the surface of the inner wall of the pipe is coated with a solid lubricating film and other processes, on the premise of properly reducing the yield strength of the material, the surface hardness and the finish degree of the finished product pipe are increased, the phenomena of surface scaling and material accumulation in the expansion process of the duplex stainless steel pipe are prevented, the effect of reducing and stabilizing the expansion force is achieved, the smooth proceeding of the expansion construction is ensured, and the high-chromium duplex steel expansion pipe processed by the process through actual tests, the pressure during expansion is about 30% lower than that of the untreated material, while the expansion pressure remains constant as the expansion length increases, the installation and construction of the high-chromium duplex stainless steel expansion pipe with large length and large expansion rate become possible, and the application range of the high-chromium duplex stainless steel expansion pipe is widened.

摘要：【中文】本发明涉及一种镀镍石墨烯空心球的制备方法，属于吸波材料制备领域。本发明所述方法中，石墨烯在旋转外力和范德华力的作用下自组装形成空心球结构，在石墨烯自组装的同时利用水热法进行化学镀镍，镀液中电极电位低于镍的金属氧化腐蚀释放电子并传导到石墨烯上，镍离子在石墨烯表面得电子被还原形成自催化的活性中心，在还原剂的配合作用下，镀镍层以活性中心为基础逐渐沉积，形成具有空心结构的镀镍石墨烯球。本发明所述方法操作简单，成本低，成球率高，可重复性好；所制备的镀镍石墨烯空心球能够发挥镍和石墨烯优良的吸波性能，颗粒的整体密度低，在吸波材料领域具有很好的应用前景。 【EN】The invention relates to a preparation method of nickel-plated graphene hollow spheres, and belongs to the field of wave-absorbing material preparation. According to the method, graphene is self-assembled under the action of a rotating external force and van der Waals force to form a hollow sphere structure, chemical nickel plating is carried out by using a hydrothermal method while the graphene is self-assembled, metal with electrode potential lower than that of nickel in a plating solution is oxidized and corroded to release electrons and conduct the electrons to the graphene, the electrons obtained by nickel ions on the surface of the graphene are reduced to form an autocatalytic active center, and a nickel plating layer is gradually deposited on the basis of the active center under the matching action of a reducing agent to form the nickel-plated graphene sphere with the hollow structure. The method has the advantages of simple operation, low cost, high balling rate and good repeatability; the prepared nickel-plated graphene hollow sphere can play excellent wave-absorbing properties of nickel and graphene, has low integral density of particles, and has good application prospect in the field of wave-absorbing materials.

摘要：【中文】本发明涉及一种在石墨烯表面化学镀镍的方法，属于复合材料制备技术领域。该方法首先对石墨烯进行表面除油以及轻度腐蚀处理，以提高镍原子在石墨烯表面的沉积效率；然后在化学镀液中加入比镍电极电位低的其他金属作为反应介质，这些金属在镀液中发生氧化腐蚀释放电子，通过机械搅拌和超声共同作用传导到石墨烯上，化学镀液中的镍原子在石墨烯表面得电子被还原形成了自催化沉积的活化中心，再在还原剂的配合作用下，表面镀镍层以镍自催化活性中心为基础逐渐生长，最终形成均匀致密的镀层。本发明所述方法工艺精简，成本较低，所制备的镍镀层均匀致密，覆盖率高，可重复性高，可以在保证高质量镀层的情况下大批量生产。 【EN】The invention relates to a method for chemically plating nickel on the surface of graphene, belonging to the technical field of composite material preparation. According to the method, firstly, surface oil removal and slight corrosion treatment are carried out on graphene so as to improve the deposition efficiency of nickel atoms on the surface of the graphene; then adding other metals with lower potential than the nickel electrode into the chemical plating solution as reaction media, wherein the metals are oxidized and corroded in the plating solution to release electrons, the electrons are transmitted to the graphene through the combined action of mechanical stirring and ultrasound, the nickel atoms in the chemical plating solution are reduced on the surface of the graphene to form an activation center of autocatalytic deposition, then under the coordination action of a reducing agent, a nickel plating layer on the surface gradually grows on the basis of the nickel autocatalytic activation center, and finally a uniform and compact plating layer is formed. The method has the advantages of simple process, low cost, uniform and compact prepared nickel plating layer, high coverage rate and high repeatability, and can be used for mass production under the condition of ensuring high-quality plating layer.

摘要：【中文】一种用于天然气的压缩机。本产品其组成包括:压缩筒，所述的压缩筒内设置有压缩活塞，所述的压缩活塞开有圆柱口，所述的圆柱口的后面连接横圆柱孔，所述的圆柱口与所述的横圆柱孔相互垂直，所述的圆柱孔的前面连接固定孔，所述的圆柱口内装有控制板，所述的固定孔连接轴杆，所述的轴杆连接轴承，所述的轴承装在所述的固定孔内，所述的轴杆连接联轴器，所述的联轴器连接电机，所述的电机的装在所述的横圆柱孔内，所述的控制板连接圆套圈，所述的圆套圈连接圆板，所述的圆板连接圆滑块，所述的圆滑块在圆滑道内转动，所述的圆滑道开在圆盘内，所述的圆盘的后侧连接底座。本发明用于天然气的压缩。 【EN】A compressor for natural gas. The product comprises a compression cylinder, wherein a compression piston is arranged in the compression cylinder, a cylinder opening is formed in the compression piston, a transverse cylinder hole is connected to the back of the cylinder opening, the cylinder opening is perpendicular to the transverse cylinder hole, a fixing hole is connected to the front of the cylinder hole, a control panel is arranged in the cylinder opening, the fixing hole is connected with a shaft lever, the shaft lever is connected with a bearing, the bearing is arranged in the fixing hole, the shaft lever is connected with a coupler, the coupler is connected with a motor, the motor is arranged in the transverse cylinder hole, the control panel is connected with a circular ring, the circular ring is connected with a circular plate, the circular plate is connected with a circular sliding block, the circular sliding block rotates in a smooth channel, the smooth channel is formed in the circular plate, and the rear side of the circular plate is connected with a base. The invention is used for compressing natural gas.

摘要：【中文】一种天然气管线补漏装置。本产品其组成包括:天然气管道，所述的天然气管道具有泄漏口，绕着所述的泄漏口的外侧粘接磁板块，所述的磁板块之间用密封块进行填充，所述的密封块与所述的天然气管道之间粘接连接，所述的泄漏口塞入木质堵漏塞，所述的木质堵漏塞的外侧粘接压板，所述的压板的外侧固定连接压板圈，所述的压板圈的底部粘接磁片圈，所述的磁片圈吸合所述的磁板块定位，所述的压板圈的前端设置前插套、后端设置后插套，所述的前插套与所述的后插套连接有紧固装置。本发明用于天然气管线补漏。 【EN】A natural gas pipeline leakage repairing device. The natural gas line, natural gas line have the leakage opening, round the outside bonding magnetic plate piece of leakage opening, the magnetic plate piece between fill with sealed piece, sealed piece with natural gas line between bonding connection, the leakage opening fill in wooden leaking stoppage stopper, the outside bonding clamp plate of wooden leaking stoppage stopper, the outside fixed connection clamp plate circle of clamp plate, the bottom bonding magnetic plate circle of clamp plate circle, magnetic sheet circle actuation the magnetic plate piece location, the front end of clamp plate circle set up preceding plug bush, the rear end sets up the back plug bush, preceding plug bush with the back plug bush be connected with fastener. The invention is used for natural gas pipeline leakage repairing.

摘要：【中文】新型天然气管道泄漏用密封装置。本产品其组成包括:天然气管道，所述的天然气管道具有泄漏处，所述的泄漏处的外侧磨出环形凹槽，所述的环形凹槽内浇灌胶液，所述的环形凹槽内插入磁块、并粘接固定，所述的磁块之间的空隙被橡胶颗粒填满、并粘接固定，所述的磁块与所述的泄漏处之间装入变形密封圈，所述的泄漏处内插入木塞，所述的木塞连接橡胶套，所述的橡胶套密封所述的泄漏处与所述的木塞之间，所述的木塞扣有扣盖，所述的扣盖固定连接橡胶压圈，所述的橡胶压圈的外侧形状与所述的环形凹槽匹配，所述的扣盖与所述的木塞之间装有密封垫，所述的橡胶压圈的底部粘接磁片圈，所述的磁块吸合所述的磁片圈定位。本发明用于天然气管道泄漏处密封。 【EN】Novel natural gas line leaks and uses sealing device. The product comprises the following components: the natural gas pipeline is provided with a leakage part, an annular groove is milled on the outer side of the leakage part, the annular groove is internally poured with glue solution, a magnetic block is inserted into the annular groove and is fixedly bonded, the gaps between the magnetic blocks are filled with rubber particles and are bonded and fixed, a deformable sealing ring is arranged between the magnetic blocks and the leakage position, a wooden plug is inserted into the leakage position, the wooden plug is connected with a rubber sleeve, the rubber sleeve seals the space between the leakage position and the wooden plug, the wooden plug is buckled with a buckle cover which is fixedly connected with a rubber pressing ring, the shape of the outer side of the rubber pressing ring is matched with the annular groove, a sealing gasket is arranged between the buckle cover and the wooden plug, a magnetic sheet ring is bonded at the bottom of the rubber pressing ring, and the magnetic sheet ring is attracted by the magnetic sheet to be positioned. The invention is used for sealing the leakage position of the natural gas pipeline.