摘要：【中文】本发明公布一种多功能能量回收装置及搭载该装置的液压挖掘机系统，属于工程机械液压系统技术领域。插装阀单元模块包括盖板式插装阀，盖板式插装阀具有容腔C和容腔D；盖板式插装阀进油口连接待回收能量的液压系统；制阀单元模块包括二位三通控制阀，盖板式插装阀的容腔C和容腔D通过二位三通控制阀连通；负载敏感单元模块包括补偿阀和主阀；补偿阀连接在盖板式插装阀出油口和主阀进油口之间；主阀出油口连接蓄能器。本发明盖板式插装阀采用内控外排油路控制形式，保证了盖板式插装阀的负载保持功能；采用负载敏感油路结构，有效的控制了油路油液的稳定性，降低了油液的流量波动及液压冲击，形成有效的、稳定的能量回收。 【EN】The invention discloses a multifunctional energy recovery device and a hydraulic excavator system carrying the same, and belongs to the technical field of engineering machinery hydraulic systems. The cartridge valve unit module comprises a cover plate type cartridge valve, and the cover plate type cartridge valve is provided with a containing cavity C and a containing cavity D; an oil inlet of the cover plate type cartridge valve is connected with a hydraulic system to be recovered; the valve making unit module comprises a two-position three-way control valve, and the containing cavity C and the containing cavity D of the cover plate type cartridge valve are communicated through the two-position three-way control valve; the load sensitive unit module comprises a compensation valve and a main valve; the compensating valve is connected between the oil outlet of the cover plate type cartridge valve and the oil inlet of the main valve; the oil outlet of the main valve is connected with an energy accumulator. The cover plate type cartridge valve adopts an internal control and external discharge oil way control mode, so that the load maintaining function of the cover plate type cartridge valve is ensured; by adopting the load-sensitive oil way structure, the stability of oil in the oil way is effectively controlled, the flow fluctuation and the hydraulic impact of the oil are reduced, and effective and stable energy recovery is formed.

摘要：【中文】本发明公布一种电磁直驱换向多路阀，属于多路阀技术领域。阀体中的阀芯安装孔内滑动安装有换向阀芯；阀体阀芯安装孔两端固定连接有电磁驱动装置；阀体阀芯安装孔两端开有内止口，换向阀芯端部具有外档台；换向阀芯端部套装有压环，压环内圈压在外档台外侧，压环外环位于阀体阀芯安装孔端部的内止口中；压环外侧连接有复位弹簧。本发明将电磁驱动装置连接在阀芯安装孔两端，通过压环、复位弹簧与换向阀芯驱动连接，简化了结构零件，使得阀体更为紧凑，重量轻；阀芯换向动作灵活快速、可控性好，换向冲击小，能提高多路阀换向响应速度百毫秒以上。 【EN】The invention discloses an electromagnetic direct-drive reversing multi-way valve, and belongs to the technical field of multi-way valves. A reversing valve core is slidably arranged in a valve core mounting hole in the valve body; two ends of the valve core mounting hole of the valve body are fixedly connected with electromagnetic driving devices; inner rabbets are arranged at two ends of a valve core mounting hole of the valve body, and an outer baffle table is arranged at the end part of the reversing valve core; the end part of the reversing valve core is sleeved with a pressure ring, the inner ring of the pressure ring is pressed outside the outer blocking platform, and the outer ring of the pressure ring is positioned in the inner spigot at the end part of the valve core mounting hole of the valve body; and the outer side of the compression ring is connected with a return spring. According to the invention, the electromagnetic driving devices are connected to two ends of the valve core mounting hole and are in driving connection with the reversing valve core through the pressure ring and the return spring, so that structural parts are simplified, the valve body is more compact and the weight is light; the valve core is flexible and quick in reversing action, good in controllability and small in reversing impact, and the reversing response speed of the multi-way valve can be increased by more than hundred milliseconds.

摘要：【中文】本发明涉及一种利用低温氟化氢去除三氟化氮电解气中杂质的系统及方法，属于精细化工和环保技术领域。所述系统包括吸收塔、HF缓冲罐、HF循环泵、HF冷却器、调节阀、第一流量计、第一自动调节阀、第二流量计、第二自动调节阀、冷却介质调节阀、液位计和温度测量装置。采用低温HF液体进行吸收除去杂质，在系统的吸收塔中NF₃电解气中的HF和NH₄HF₂等杂质被吸收，得到纯度为90％以上的NF₃气体，从塔顶出来通过管道进入下一步工艺继续进行提纯。 【EN】The invention relates to a system and a method for removing impurities in nitrogen trifluoride electrolytic gas by using low-temperature hydrogen fluoride, belonging to the technical field of fine chemical engineering and environmental protection. The system comprises an absorption tower, an HF buffer tank, an HF circulating pump, an HF cooler, a regulating valve, a first flow meter, a first automatic regulating valve, a second flow meter, a second automatic regulating valve, a cooling medium regulating valve, a liquid level meter and a temperature measuring device. Absorbing with low temperature HF liquid to eliminate impurity, NF inside the absorbing tower₃HF and NH in electrolysis gas₄HF₂Absorbing impurities to obtain NF with purity of over 90%₃And the gas is discharged from the tower top and enters the next step process through a pipeline to be purified continuously.

摘要：【中文】多模态光声/超声成像的类风湿性关节炎评分系统及应用，包括如下步骤，(1)光声/超声双模态成像通过体外形式对关节进行图像信息采集；(2)分析采集到的图像信息和临床数据进行多模态光声/超声评分；(3)依据多模态光声/超声评分并结合局部血氧信息对类风湿性关节炎患者疾病活动性进行判断。本发明首次将的多模态光声/超声成像系统用于类风湿性关节炎的评价，优势在于能够该多模态系统采用手持光声/超声探头，符合临床医师使用习惯，与国际最新传统超声评估关节选取方式保持一致，实施过程及计算过程均简便易行，利于临床实施推行。 【EN】The system comprises a system for grading rheumatoid arthritis through multi-mode photoacoustic/ultrasonic imaging and an application, wherein the system comprises the following steps of (1) performing image information acquisition on a joint through in-vitro mode by photoacoustic/ultrasonic dual-mode imaging; (2) analyzing the acquired image information and clinical data to perform multi-mode photoacoustic/ultrasonic scoring; (3) and judging the disease activity of the rheumatoid arthritis patient according to the multi-mode photoacoustic/ultrasonic scoring and by combining local blood oxygen information. The multi-mode photoacoustic/ultrasonic imaging system is used for evaluating rheumatoid arthritis for the first time, and has the advantages that the multi-mode system adopts the handheld photoacoustic/ultrasonic probe, the use habit of clinicians is met, the selection mode of the multi-mode system is consistent with the selection mode of the international latest traditional ultrasonic evaluation joint, the implementation process and the calculation process are simple and easy, and the implementation of clinical practice is facilitated.