摘要：【中文】本发明公开了一种主机同轴变频供电系统，包包括汽轮主机和驱动电机，所述汽轮主机与驱动电机同轴设置，所述汽轮主机输出轴连接驱动电机输入轴，所述驱动电机一侧电性连接有电源，所述驱动电机上安装有电气控制机构，所述电性控制机构连接有变频器，所述汽轮主机内连接有高压加热器与过热器，所述汽轮主机第一侧出轴通过过热器连接有变速调速器输入端，所述变速调速器输出端连接有变频发电机，所述汽轮主机通过高压加热器连接有主发电机，所述高压加热器与主发电机之间设有伺服阀，所述电气控制机构通过导线连接控制伺服阀，所述主发电机与变频器电性连接。本发明供电简单方便，减少占地及系统维护费用，便于检修，降低用电量。 【EN】The invention discloses a host coaxial variable frequency power supply system, which comprises a turbine host and a driving motor, the turbine main unit and the driving motor are coaxially arranged, the output shaft of the turbine main unit is connected with the input shaft of the driving motor, one side of the driving motor is electrically connected with a power supply, an electric control mechanism is arranged on the driving motor, the electric control mechanism is connected with a frequency converter, the steam turbine main machine is internally connected with a high-pressure heater and a superheater, the output shaft of the first side of the turbine main unit is connected with the input end of a variable speed governor through a superheater, the output end of the variable speed governor is connected with a variable frequency generator, the turbine main unit is connected with a main generator through a high-pressure heater, a servo valve is arranged between the high-pressure heater and the main generator, the electric control mechanism is connected with the control servo valve through a lead, and the main generator is electrically connected with the frequency converter. The invention has simple and convenient power supply, reduces the occupied area and the system maintenance cost, is convenient to overhaul and reduces the power consumption.

摘要：【中文】本发明公开的一种直肠给药器，包括穿刺管、稳固套环、挤压囊、储药腔、给药管、引导组件和给药套管，稳固套环呈环形设置，稳固套环上端面连接有穿刺管，稳固套环下端面连接有挤压囊，挤压囊连接有储药腔，储药腔连接有连接管，连接管连接有给药管一端，给药套管套设于给药管外部，给药管沿给药套管轴向滑动，引导组件设于给药管一侧，给药管远离连接管一端连接有柔性双层给药头。本发明属于医疗器械技术领域，具体是一种给药套筒和柔性双层给药头将患者肛门撑开，引导组件引导给药管沿给药套管轴向滑动，实现柔性双层给药头对患者直肠内进行均匀快速给药，解决了现有技术中给药端插入困难、容易损伤患者肛门的问题的直肠给药器。 【EN】The invention discloses a rectum medicine feeder which comprises a puncture tube, a stable lantern ring, an extrusion bag, a medicine storage cavity, a medicine feeding tube, a guide assembly and a medicine feeding sleeve, wherein the stable lantern ring is annularly arranged, the puncture tube is connected to the upper end face of the stable lantern ring, the extrusion bag is connected to the lower end face of the stable lantern ring, the medicine storage cavity is connected to the extrusion bag, the medicine storage cavity is connected to a connecting tube, the connecting tube is connected with one end of the medicine feeding tube, the medicine feeding sleeve is sleeved outside the medicine feeding tube, the medicine feeding tube slides along the axial direction of the medicine feeding sleeve, the guide assembly is arranged on one side of the medicine feeding tube, and. The invention belongs to the technical field of medical instruments, and particularly relates to a rectal administration device which is characterized in that an anus of a patient is propped open by a drug administration sleeve and a flexible double-layer drug administration head, a guide assembly guides a drug administration pipe to axially slide along a drug administration sleeve, uniform and rapid drug administration of the flexible double-layer drug administration head into the rectum of the patient is realized, and the problems that the drug administration end is difficult to insert and the anus of the patient is easily damaged in the prior art are solved.

摘要：【中文】本发明涉及一种二次再热机组给水泵驱动系统，该系统回热式小汽轮机一端与平衡发电机连接，另一端与给水泵调速装置连接，作为给水泵的主要驱动力；给水泵辅助驱动汽轮机作为叠加驱动力，一端与给水泵调速装置连接，另一端与给水泵的前置泵连接；给水泵辅助驱动汽轮机一端通过3S离合器与给水泵调速装置连接，另一端与给水泵的前置泵连接，通过3S离合器与给水泵调速装置自动啮合，用于在机组处于高负荷时为给水泵提供叠加驱动力，在机组处于低负荷时驱动所述前置泵运行。本发明可提高机组宽负荷运行工况下给水泵组的运行效率，提高二次再热双机回热系统的运行经济性。 【EN】The invention relates to a feed pump driving system of a double reheating unit, wherein one end of a backheating type small steam turbine of the system is connected with a balance generator, and the other end of the backheating type small steam turbine is connected with a feed pump speed regulating device and is used as main driving force of a feed pump; the auxiliary driving turbine of the water feeding pump is used as a superposition driving force, one end of the auxiliary driving turbine is connected with the speed regulating device of the water feeding pump, and the other end of the auxiliary driving turbine is connected with the front pump of the water feeding pump; one end of the feed pump auxiliary driving steam turbine is connected with the feed pump speed regulating device through the 3S clutch, the other end of the feed pump auxiliary driving steam turbine is connected with a front pump of the feed pump, the feed pump auxiliary driving steam turbine is automatically meshed with the feed pump speed regulating device through the 3S clutch, the feed pump auxiliary driving steam turbine is used for providing superposition driving force for the feed pump when the unit is under high load, and the front pump is driven to operate when the unit is under low load. The invention can improve the operation efficiency of the feed pump set under the wide-load operation condition of the unit and improve the operation economy of the double-reheating double-unit regenerative system.

摘要：【中文】本发明涉及一种抽汽背压式给水泵汽轮机背压调节系统及方法，该系统包括给水泵小汽轮机、驱动蒸汽管路、回热抽汽管路、回热抽汽管路调节阀、汇合集管、抽汽补汽管路调节阀、排放管路调节阀、背压控制器；驱动蒸汽管路与小汽轮机连接；小汽轮机的中间抽汽通过回热抽汽管路进入回热加热器；小汽轮机排气进入汇合集管；小汽轮机排气通过回热抽汽管路调节阀进入回热加热器；来自主汽轮机抽汽通过调节阀进入汇合集管中；汇合集管通过调节阀连接凝汽器；来自主汽轮机抽汽通过调节阀与回热抽汽管路调节阀连接，并进入回热加热器。本发明可以确保小汽轮机启停和正常运行的背压稳定控制，在保证小汽轮机正常驱动给水泵的同时进行有效抽汽回热给水加热器。 【EN】The invention relates to a backpressure regulating system and method for a steam-extraction backpressure type water-feeding pump steam turbine, wherein the system comprises a small water-feeding pump steam turbine, a driving steam pipeline, a backheating steam-extraction pipeline regulating valve, a converging header, a steam-extraction steam-supplement pipeline regulating valve, a discharge pipeline regulating valve and a backpressure controller; the driving steam pipeline is connected with the small steam turbine; the middle extraction steam of the small steam turbine enters the regenerative heater through a regenerative extraction steam pipeline; exhausting gas of the small steam turbine to enter a converging header; the exhaust of the small steam turbine enters the regenerative heater through a regenerative steam extraction pipeline regulating valve; the extracted steam from the main turbine enters a converging manifold through a regulating valve; the converging collector is connected with a condenser through a regulating valve; the steam extracted from the main turbine is connected with a regenerative steam extraction pipeline regulating valve through a regulating valve and enters a regenerative heater. The invention can ensure the stable control of the back pressure of the start-stop and normal operation of the small turbine, and effectively extract steam to return to the water heater while ensuring the normal driving of the water pump by the small turbine.

摘要：【中文】本发明涉及一种带功率平衡发电机的抽汽背压式小汽轮机控制调节系统及方法，该系统给水泵小汽轮机一端与功率平衡小发电机连接并同轴驱动；给水泵小汽轮机另一端与给水泵调速装置的输入端连接，给水泵调速装置的输出端与给水泵的输入端连接；给水泵小汽轮机的驱动蒸汽经过小汽轮机进汽调节阀进入给水泵小汽轮机的调节端；给水泵小汽轮机的中间抽汽经过回热抽汽调节阀供往回热加热器；给水泵小汽轮机的排汽通过排汽调节阀进行控制；转速控制模块与小汽轮机进汽调节阀连接及给水泵调速装置连接。本发明可以实现小汽轮机正常运行时入口进汽调阀全开运行，进而减少进汽节流损失，并提高小汽轮机的效率4‑5％左右，实现节能降耗的目的。 【EN】The invention relates to a steam extraction back pressure type small steam turbine control and regulation system with a power balance generator and a method thereof, wherein one end of a small steam turbine of a water supply pump of the system is connected with the small power balance generator and is coaxially driven; the other end of the small steam turbine of the feed pump is connected with the input end of a speed regulating device of the feed pump, and the output end of the speed regulating device of the feed pump is connected with the input end of the feed pump; the driving steam of the small turbine of the water feeding pump enters the adjusting end of the small turbine of the water feeding pump through the steam inlet adjusting valve of the small turbine; the middle steam extraction of the small steam turbine of the water supply pump is supplied to the regenerative heater through the regenerative steam extraction regulating valve; the exhaust steam of the small turbine of the water feeding pump is controlled by an exhaust steam regulating valve; the rotating speed control module is connected with a steam inlet regulating valve of the small steam turbine and a water feeding pump speed regulating device. The invention can realize the full-open operation of the inlet steam adjusting valve when the small steam turbine normally operates, thereby reducing the steam inlet throttling loss, improving the efficiency of the small steam turbine by about 4-5 percent and realizing the purposes of energy saving and consumption reduction.

摘要：【中文】本发明涉及一种抽汽背压式给水泵汽轮机组系统及运行方法，该系统包括给水泵小汽轮机、给水泵、功率平衡小发电机、给水泵调速装置、第一加热器、第二加热器、第三加热器、驱动蒸汽管路、排放管路、抽汽补汽管路、给水管路；给水泵、给水泵调速装置、给水泵小汽轮机、功率平衡小发电机同轴连接；给水泵小汽轮机通过抽气管路与第一加热器连接；给水泵小汽轮机通过排气管路与第二加热器及第三加热器连接；给水泵小汽轮机与驱动蒸汽管路连接；给水泵小汽轮机与所述排放管路连接；抽汽补汽管路与第三加热器连接；给水管路与第一加热器、第二加热器、第三加热器的水侧相连通。本发明能够确保整套系统的功率平衡，提高给水泵小汽轮机效率，并提高整套系统的效率，节约煤耗。 【EN】The invention relates to a steam extraction back pressure type water feeding pump steam turbine set system and an operation method, wherein the system comprises a small water feeding pump steam turbine, a water feeding pump, a small power balance generator, a water feeding pump speed regulating device, a first heater, a second heater, a third heater, a driving steam pipeline, a discharge pipeline, a steam extraction and steam supplementation pipeline and a water feeding pipeline; the water feeding pump, the water feeding pump speed regulating device, the small steam turbine of the water feeding pump and the small power balance generator are coaxially connected; the small steam turbine of the water feeding pump is connected with the first heater through an air extraction pipeline; the small steam turbine of the water feeding pump is connected with the second heater and the third heater through an exhaust pipeline; the small steam turbine of the water feeding pump is connected with the driving steam pipeline; the small steam turbine of the water feeding pump is connected with the discharge pipeline; the steam extraction and supplement pipeline is connected with the third heater; the water supply pipeline is communicated with the water sides of the first heater, the second heater and the third heater. The invention can ensure the power balance of the whole system, improve the efficiency of the small turbine of the water feeding pump, improve the efficiency of the whole system and save coal consumption.