摘要：【中文】一种带环形焊缝的双轴拉伸疲劳试验件。涉及一种用于双轴拉伸疲劳的试验件。提出了一种试验区应力均匀，试验成功率高，试验结果准确的带环形焊缝的双轴拉伸疲劳试验件。本发明的技术方案为：包括焊缝试验区、四个连接臂和四个夹持区，四个所述夹持区分别通过四个连接臂与焊缝试验区固定相连；相邻所述连接臂之间通过圆弧过渡段相连接；所述焊缝试验区呈圆环状、且焊缝试验区的厚度小于连接臂的厚度，所述焊缝试验区的中心开设有中心孔，所述中心孔中焊接有帽型安装座结构件，所述焊缝试验区和帽型安装座结构件之间形成环形焊缝。本发明实现了双轴拉伸疲劳试验中所要达到的效果，使得试验成功率更高；使得试验的结果更为准确。 【EN】A biaxial tensile fatigue test piece with an annular welding seam. Relates to a test piece for biaxial tensile fatigue. The biaxial tensile fatigue test piece with the annular welding seam has the advantages of uniform stress of a test area, high test success rate and accurate test result. The technical scheme of the invention is as follows: the device comprises a weld joint test area, four connecting arms and four clamping areas, wherein the four clamping areas are fixedly connected with the weld joint test area through the four connecting arms respectively; the adjacent connecting arms are connected through arc transition sections; the welding seam test area is in a circular ring shape, the thickness of the welding seam test area is smaller than that of the connecting arm, a center hole is formed in the center of the welding seam test area, a cap-shaped mounting seat structural member is welded in the center hole, and an annular welding seam is formed between the welding seam test area and the cap-shaped mounting seat structural member. The invention realizes the effect to be achieved in the biaxial tensile fatigue test, so that the success rate of the test is higher; the test result is more accurate.

摘要：【中文】本发明涉及超低气体含量镍基合金690的制备方法，该方法采用真空感应熔炼+电渣重熔的双联工艺，制备的镍基合金690中（O+N+H）气体总含量小于60ppm，并且锻造性能好。 【EN】The invention relates to a preparation method of a nickel-based alloy 690 with ultralow gas content, which adopts a duplex process of vacuum induction melting and electroslag remelting, wherein the total content of (O + N + H) gas in the prepared nickel-based alloy 690 is less than 60ppm, and the forging performance is good.

摘要：【中文】本发明公开了一种基于IGBT的系统级芯片，其包括印刷电路板，其具有功率区、驱动区、隔离区和控制区；多个功率组件，其设置于所述功率区内；多个驱动器，其设置于所述驱动区内；隔离组件，其设置于所述隔离区内；以及控制区内的控制器，所述控制器经由所述隔离组件控制各个驱动器，以使各个驱动器分别对应地驱动各个功率组件工作，驱动器的输出端的端面与对应的功率组件的控制端的端面接触，以实现该驱动器的输出端与对应的功率组件的控制端的电连接。本发明通过网状互联和缩短栅极连接距离能保证IGBT同时开启和关断，大大提高了IGBT元胞导通率和关断率。 【EN】The invention discloses a system-level chip based on an IGBT, which comprises a printed circuit board, a power module, a driving module, an isolation module and a control module, wherein the printed circuit board is provided with a power area, a driving area, an isolation area and a control area; a plurality of power components disposed within the power zone; a plurality of drivers disposed within the drive zone; an isolation component disposed within the isolation region; and the controller in the control area controls each driver through the isolation assembly so that each driver respectively drives each power assembly to work correspondingly, and the end face of the output end of each driver is in contact with the end face of the control end of the corresponding power assembly so as to realize the electric connection between the output end of each driver and the control end of the corresponding power assembly. The invention can ensure that the IGBT is simultaneously turned on and turned off by the mesh interconnection and shortening of the grid connection distance, thereby greatly improving the conduction rate and the turn-off rate of the IGBT cells.

摘要：【中文】本发明涉及一种淤浆法低VOC聚乙烯产品的生产装置及方法，主要解决现有技术中存在残留己烷溶剂VOC含量高的问题。本发明通过采用淤浆法低VOC聚乙烯产品的生产装置及方法，在淤浆法聚乙烯现有流程的滚筒干燥器后增加一套粉料脱气仓，进行“滚筒干燥器+粉料脱气仓”组合，能够很好地降低聚乙烯产品VOC的含量，产品粉末中己烷溶剂VOC含量从现有技术200ppm降低至本发明100ppm以下，较好地解决了上述问题，可应用于淤浆法低VOC食品级聚乙烯产品的生产中。 【EN】The invention relates to a production device and a production method of a slurry-process low-VOC polyethylene product, and mainly solves the problem that the content of residual hexane solvent VOC is high in the prior art. According to the production device and method for the low-VOC polyethylene product by the slurry method, a set of powder degassing bin is added behind a roller dryer in the existing flow of polyethylene by the slurry method, and the combination of the roller dryer and the powder degassing bin is carried out, so that the VOC content of the polyethylene product can be well reduced, the VOC content of a hexane solvent in product powder is reduced to be below 100ppm in the invention from 200ppm in the prior art, the problems are well solved, and the production device and method can be applied to production of the low-VOC polyethylene product by the slurry method.

摘要：【中文】本发明涉及一种卧式聚丙烯反应器脱除PP细粉的装置及方法，主要解决现有技术中存在设备数量多，投资费用大的问题。本发明所述的装置及方法，将部分液体丙烯送至第一反应器穹顶，与丙烯气所带出的聚丙烯粉末充分接触，让粉末聚集成大颗粒沉降返回第一反应器，从而取消或减小旋风分离器设备尺寸，降低工程投资，较好地解决了上述问题，可用于卧式聚丙烯反应器脱除PP细粉的工业生产中。 【EN】The invention relates to a device and a method for removing PP fine powder by a horizontal polypropylene reactor, which mainly solve the problems of large equipment quantity and high investment cost in the prior art. The device and the method of the invention send part of the liquid propylene to the dome of the first reactor, fully contact with the polypropylene powder carried by the propylene gas, and lead the powder to gather into large particles to be settled and return to the first reactor, thereby canceling or reducing the equipment size of a cyclone separator, reducing the engineering investment, better solving the problems, and being applicable to the industrial production of removing PP fine powder in a horizontal polypropylene reactor.

摘要：【中文】本发明公开了一种旋液分离超高分子聚乙烯淤浆的方法和系统，该方法包括一种旋液分离超高分子聚乙烯淤浆的方法。还包括一种旋液分离超高分子聚乙烯淤浆的系统，该系统由旋液分离器，干燥机，洗涤塔，冷凝器组成，并通过管道将上述设备组合连接。本发明提供的旋液分离超高分子聚乙烯淤浆的方法和系统，采用旋液分离器对聚乙烯淤浆进行固液分离，使大块物料沉降至旋液分离器底部与聚乙烯湿饼一起送入到后序干燥机中，避免了离心机被大块物料卡住而停车的现象；将本发明的旋液分离超高分子聚乙烯淤浆的方法和系统用于超高分子量UHMWPE聚乙烯的工业生产中，超高分子量UHMWPE聚乙烯装置运行周期从现有技术离心机的3～5个月延长到本发明旋液分离器的18～20个月，具有良好的推广应用价值。 【EN】The invention discloses a method and a system for separating ultra-high molecular weight polyethylene slurry by hydrocyclone, and the method comprises a method for separating ultra-high molecular weight polyethylene slurry by hydrocyclone. The system consists of a hydrocyclone, a drier, a washing tower and a condenser, and the devices are connected in combination through pipelines. The method and the system for separating the ultra-high molecular weight polyethylene slurry by the hydrocyclone adopt the hydrocyclone to carry out solid-liquid separation on the polyethylene slurry, so that the bulk materials are settled to the bottom of the hydrocyclone and are sent to a subsequent dryer together with the polyethylene wet cake, and the phenomenon that the centrifuge is stopped due to the blockage of the bulk materials is avoided; the method and the system for separating the slurry of the ultra-high molecular weight polyethylene by the hydrocyclone are used in the industrial production of the ultra-high molecular weight UHMWPE polyethylene, the operation period of the ultra-high molecular weight UHMWPE polyethylene device is prolonged from 3-5 months of a centrifugal machine in the prior art to 18-20 months of the hydrocyclone, and the method and the system have good popularization and application values.

摘要：【中文】本发明公开了一种超高分子量UHMWPE聚乙烯装置淤浆固液分离系统和方法，该超高分子聚乙烯淤浆固液分离的系统，包括：己烷沉降罐，干燥机，洗涤塔，冷凝器，通过管道将上述设备组合连接。还涉及一种超高分子聚乙烯淤浆固液分离的方法。本发明提供的固液分离系统和方法，采用己烷沉降罐对聚乙烯淤浆进行固液分离，使大块物料沉降至己烷沉降罐底部与聚乙烯湿饼一起送入到后序干燥机中，避免了离心机被大块物料卡住而停车的现象。将本发明的固液分离系统和方法应用于超高分子UHMWPE聚乙烯的工业生产中，超高分子量UHMWPE聚乙烯装置运行周期从现有技术离心机的3～5个月延长到本发明己烷沉降罐的18～20个月，具有良好的推广应用价值。 【EN】The invention discloses a slurry solid-liquid separation system and a method for an ultrahigh molecular weight UHMWPE device, wherein the slurry solid-liquid separation system for the ultrahigh molecular weight UHMWPE comprises the following components: the hexane settling tank, the dryer, the washing tower and the condenser are connected in a combined mode through pipelines. Also relates to a method for separating solid and liquid of the slurry of the ultra-high molecular weight polyethylene. According to the solid-liquid separation system and method provided by the invention, the hexane settling tank is adopted to carry out solid-liquid separation on the polyethylene slurry, so that the large materials are settled to the bottom of the hexane settling tank and are sent to the subsequent dryer together with the polyethylene wet cake, and the phenomenon that the centrifuge is stopped due to the blockage of the large materials is avoided. The solid-liquid separation system and the method are applied to the industrial production of the ultrahigh molecular weight UHMWPE polyethylene, the operation period of the ultrahigh molecular weight UHMWPE polyethylene device is prolonged from 3-5 months of a centrifugal machine in the prior art to 18-20 months of a hexane settling tank, and the popularization and application value is good.

摘要：【中文】本发明涉及一台挤出机生产聚乙烯黑料和聚乙烯白料的方法，主要解决现有技术存在机器设备数量多、工程建设投资高的问题。本发明通过采用一台挤出机生产聚乙烯黑料和聚乙烯白料的方法，将生产聚乙烯白料与聚乙烯黑料的挤出机合二为一，并增加一个灰料料斗用于收集挤出机残留聚乙烯黑料及清洗挤出机聚乙烯灰料，并可再利用灰料料斗残留聚乙烯黑料及聚乙烯灰料以节约聚乙烯原料。由此减少机器设备数量、降低工程建设投资的技术方案较好地解决了上述问题，可用于一台挤出机生产聚乙烯黑料和聚乙烯白料中。 【EN】The invention relates to a method for producing polyethylene black material and polyethylene white material by using an extruder, which mainly solves the problems of large quantity of machine equipment and high engineering construction investment in the prior art. The invention adopts a method for producing the polyethylene black material and the polyethylene white material by one extruder, combines the extruders for producing the polyethylene white material and the polyethylene black material into a whole, adds a gray material hopper for collecting the polyethylene black material remained by the extruders and cleaning the polyethylene gray material of the extruders, and can recycle the polyethylene black material remained by the gray material hopper and the polyethylene gray material to save the polyethylene raw material. Therefore, the technical scheme of reducing the number of machine equipment and reducing the engineering construction investment better solves the problems and can be used for producing polyethylene black materials and polyethylene white materials by one extruder.

摘要：【中文】本发明涉及一种釜式淤浆聚乙烯反应器组合撤热方法，主要解决现有技术存在大型聚合反应器撤热困难、生产装置规模受到限制的瓶颈问题。本发明通过采用一种釜式淤浆聚乙烯反应器组合撤热方法，对于生产能力1～100万吨/年的聚乙烯装置来说，将溶剂蒸发和淤浆外循环以及反应釜夹套三种撤除聚合反应热方法进行组合，并同时运用在聚合反应流程中以强化撤热效果的技术方案较好地解决了上述问题，可用于釜式淤浆聚乙烯反应器组合撤热中。 【EN】The invention relates to a combined heat removal method for a kettle type slurry polyethylene reactor, which mainly solves the bottleneck problems that the heat removal of a large-scale polymerization reactor is difficult and the scale of a production device is limited in the prior art. The invention adopts a kettle type slurry polyethylene reactor combination heat removal method, combines three polymerization reaction heat removal methods of solvent evaporation, slurry external circulation and a reaction kettle jacket for a polyethylene device with the production capacity of 1-100 ten thousand tons/year, and simultaneously adopts the technical scheme of strengthening the heat removal effect in the polymerization reaction process to better solve the problems, and can be used for kettle type slurry polyethylene reactor combination heat removal.