129results about How to "Achieve discharge" patented technology

The present invention relates to a pericardiothoracic puncture and effusion drainage device and method thereof, belonging to the technical field of medical puncture equipment. The device includes: a puncture mechanism and an effusion drainage mechanism, the effusion drainage mechanism includes: a sealing disk, on which a liquid inlet tube and a liquid outlet tube are penetrated, the liquid inlet tube is coupled to the puncture mechanism via a hose fluid, and the liquid outlet tube is used to couple to an external effusion storage container; a cylinder, which is rotationally coupled to the occluding disk and is provided with a first chamber and a second chamber; wherein the device is suitable for extracting and discharging effusion from the first chamber and the second chamber alternately by using the liquid inlet tube and the liquid outlet tube via the relative rotation of the occluding disk and the cylinder. In this way, uninterrupted fluid extraction can be achieved in the pericardiothoracic puncture and effusion drainage device.

The invention provides an extraction device containing a penthorum chinense pursh extract and a beverage, and relates to the field of food processing. According to the extraction device containing the penthorum chinense pursh extract, through the design of a closed-loop transmission system, continuous feeding, extraction and discharging of penthorum chinense pursh materials are achieved, a driver provides a stable power source through a bevel gear transmission mechanism, it is ensured that the materials continuously move and are stirred in an extraction pipe, and the extraction efficiency is improved. Penthorum chinense pursh materials can be continuously fed and extracted without shutdown treatment. Compared with the prior art, continuous extraction is achieved, the production efficiency is improved, the operation process is simplified, human intervention is reduced, the ultrasonic extraction effect is enhanced, the extraction efficiency is improved, real-time monitoring and feedback are achieved, and it is ensured that the extraction process is stable.

The invention discloses a high-pressure well mouth two-stage tandem connection self-energy-charging water pumping desander and a working method. A first-stage water pumping pipe is arranged in an inner side cavity of a first-stage separator, a second-stage water pumping pipe is arranged at the bottom of an inner side cavity of a second-stage separator, an energy storage electric device is arranged in the second-stage separator, a self-energy-charging element is arranged in the second-stage separator, and the self-energy-charging element is arranged in the second-stage separator. A water suction pump body is arranged at the end part of the first-stage water suction pipe or the second-stage water suction pipe; the energy storage electric device comprises a motor and an energy storage device, and an energy converter is arranged in the self-charging element; and a cleaning triggering mechanism is arranged in the first-stage water pumping pipe. By arranging the internal water pumping mechanism, internal accumulated water is automatically discharged, the adopted drainage pipe does not need to be communicated with the outside of the sand remover, continuous work of the sand remover is guaranteed, energy is generated by means of gas power of natural gas, water is pumped, and the accumulated water is pumped and discharged.

The invention relates to the technical field of artificial board preparation, and particularly discloses efficient wood chip hot air drying equipment which comprises a drying cylinder and a hot air source, discs are arranged at the centers of the two end faces of the drying cylinder, a hot air guide pipe connected with the hot air source is arranged in the drying cylinder in a penetrating mode, and a hollow rotating pipe is rotatably arranged on the outer wall of the hot air guide pipe in an attached mode. A plurality of scraping plates are uniformly arranged on the hollow rotating pipe, a blanking port is formed in one end, close to the hollow rotating pipe, of each scraping plate, and a scattering plate for sealing the lower end of the blanking port is rotationally connected to the lower end, close to one end of the hollow rotating pipe, of each blanking port through a pin shaft; according to the efficient hot air drying equipment for the wood chips, the internal structure of a traditional roller drying machine is changed, the wood chips can be dried faster, the drying uniformity of all the wood chips can be improved, the drying effect of all the wood chips is guaranteed, compared with direct introduction of axial hot air, the contact time of the hot air and the wood chips can be prolonged, and the drying efficiency of the wood chips is improved. And heat energy loss in the hot air drying process is reduced.

The utility model provides a fermentation residue separating and filtering device which comprises a supporting frame and a filter cartridge obliquely arranged on the supporting frame, the end, located at the high position, of the filter cartridge is in an opening shape and is provided with an openable sealing assembly used for sealing the opening, and a filtering partition plate is arranged in the filter cartridge. A cavity in the filter cartridge is vertically divided by the filter partition plate, the upper cavity is a separation cavity, the lower cavity is a liquid discharge cavity, a liquid discharge port communicated with the liquid discharge cavity is formed in the lower end of the filter cartridge, and a pushing separation mechanism extending into the separation cavity is further arranged at the lower end of the filter cartridge; and the top end of the filter cartridge is also provided with a slag inlet communicated with the separation cavity. Pawpaw residues and the closed opening sealing assembly are pushed in the filter cartridge through the pushing separation mechanism for extrusion, the effect of separating enzyme liquid is achieved, meanwhile, the filter cartridge is obliquely arranged, a filter partition plate is arranged in the filter cartridge, and the liquid can be discharged from the liquid discharging opening along the liquid discharging cavity through gravity.

The utility model discloses a connecting structure of a dust collector base station and a dust collector host. A dust cup cover is arranged at the end of the dust collector dust cup, and a plurality of dust collection cavities are formed in the dust collector dust cup in the axis direction; the dust collection structure is elastically clamped on the side surface of the dust collector dust cup; the dust collector base station comprises a sleeving structure and a base, a clamping sleeve structure is arranged on the sleeving structure, a notch with a lateral opening is formed in the clamping sleeve structure, a dust collector dust cup is inserted into the clamping sleeve structure, and the dust collecting structure is arranged in the notch in a penetrating mode; a dust exhaust channel is arranged in the dust collector base station and communicated with a base station dust cup in the base, and an exhaust structure is arranged on the base station dust cup. According to the utility model, the dust collection cavities in the dust collector host can be fully and efficiently discharged and recycled without disassembly, the dust collector host and the base station are stably positioned, the influence of motor vibration and airflow dust impact on the connecting structure is reduced, and the efficient and neat use of the dust collector host and the base station is ensured.

The utility model relates to the technical field of personal care equipment, and discloses a nasal irrigation nozzle assembly and a nasal irrigator, the nasal irrigation nozzle assembly is applied to the nasal irrigator, the nasal irrigation nozzle assembly comprises a spray pipe, a nozzle, a liquid outlet channel and a backflow channel, the spray pipe is used for being communicated with a main machine of the nasal irrigator, the nozzle is arranged on the spray pipe, and the nozzle is used for abutting against a nasal cavity and sealing the nasal cavity. The liquid outlet channel is arranged on the spray pipe or the spray head and used for allowing liquid pumped into the spray pipe by the host to flow out into the nasal cavity, and the backflow channel is arranged on the spray head and used for allowing liquid in the nasal cavity to flow out. By means of the nose washing spray head and the nose washing device, flowing-out liquid cannot be accumulated at the liquid outlet channel, it is guaranteed that the liquid can flow out of the liquid outlet channel, and the washing effect is good.

The invention provides environment-friendly sewage treatment equipment based on microbial reaction. The environment-friendly sewage treatment equipment comprises an aerobic tank, a pretreatment box and a power storage assembly, the pretreatment box comprises a box body, the box body is connected with the aerobic tank, the box body is fixedly communicated with a drainage pipe, a bottom plate of the box body is provided with a group of drainage grooves, and an inverted T-shaped plate is connected in the box body; the power storage assembly comprises a main shaft, and the main shaft is in bearing connection with the box body. The invention relates to the technical field of sewage treatment, in particular to environment-friendly sewage treatment equipment based on microbial reaction. In order to overcome the defects in the prior art, the environment-friendly sewage treatment equipment based on the microbial reaction is developed, microbial degradation and a biological membrane technology are conveniently and organically integrated, sewage is fully contacted with an MBR membrane in an MBR membrane area to be treated for a period of time, and then the sewage is contacted with a microbial population to be treated. The environment-friendly treatment on the sewage is realized, and the sewage treatment efficiency is improved.

The utility model discloses a bean product pulp throwing machine convenient to clean inside, and relates to the technical field of bean product pulp throwing, the bean product pulp throwing machine comprises a pulp throwing box, a cleaning assembly, a servo motor, a rotating rod, a screen mesh cylinder, a box body and a soybean milk cylinder are arranged in the pulp throwing box, the cleaning assembly comprises a driving bevel gear, the driving bevel gear is in meshed connection with two driven gears, and the two driven gears are in meshed connection with the servo motor. When the servo motor is started, the driving bevel gear is meshed with the driven gear to drive the cleaning assembly and the box body to rotate, the driven gear and the first fixing rod rotate, the reciprocating lead screw is made to rotate through the transmission belt, and the threaded sleeve slides on the lead screw in a reciprocating mode; the reciprocating motion of the reciprocating lead screw enables the sleeve brush to brush the outer wall of the screen mesh cylinder in a reciprocating mode through the connecting rod, real-time cleaning in the slurry throwing process is achieved, sticky slurry is prevented from being attached to the screen mesh cylinder, smooth slurry discharging is guaranteed, the cleaning assembly can help the screen mesh cylinder to be cleaned under the condition that the screen mesh cylinder is not detached, and the production efficiency is improved.

The invention discloses a triple-band dual-polarized antenna which comprises an antenna body, a central control circuit board, an antenna tuning unit, a modular circuit board, a built-in carrier, a conductive structure, a stop structure and a jacking structure. The three-frequency dual-polarized antenna has the following advantages and effects: the innovative design that different tuning units of the three-frequency dual-polarized antenna are distributed on the three modular circuit boards can effectively solve the limitation of integrated design in the prior art; meanwhile, the assembling mode of the three modular circuit boards and the central control circuit board is improved, so that the assembling and disassembling efficiency of the modular circuit boards is improved, regular overhaul is facilitated, and the downtime and the maintenance cost of equipment are reduced.

The utility model discloses an ultrahigh-voltage ox-horn capacitor with a heat dissipation function, and belongs to the technical field of ultrahigh-voltage ox-horn capacitors, the ultrahigh-voltage ox-horn capacitor comprises a core bag, the bottom surface of the core bag is fixedly connected with two pins, the side surface and the top surface of the core bag are coated with a heat dissipation shell, and the outer top surface of the heat dissipation shell is vertically and fixedly connected with a plurality of heat dissipation fins. An outer shell with the upper portion and the lower portion open is arranged on the outer side of the heat dissipation shell, and a plurality of connecting pieces are fixedly connected between the outer shell and the heat dissipation shell. According to the ultra-high-voltage ox horn capacitor with the heat dissipation function, an air channel is formed by a gap between the outer shell and the heat dissipation shell, air enters the air channel from a ventilation groove through a fan, and the heat dissipation shell is cooled through circulating air in cooperation with the cooling fins and the connecting pieces which are arranged in a staggered mode, so that heat of the core package is discharged, and compared with an existing ox horn capacitor, the ultra-high-voltage ox horn capacitor has the advantages that the heat dissipation efficiency is improved; the problem that heat generated by the ox horn capacitor is difficult to discharge is avoided, and the stability and the safety of the capacitor are improved.

The utility model discloses a novel controllable black tea fermentation device which comprises a fermentation box, a horizontal fermentation cylinder is fixedly arranged in the fermentation box, vent holes are distributed in the fermentation cylinder, and a heating piece, a humidifier, a circulating fan and a temperature and humidity sensor are arranged on the fermentation box; the feeding hopper is arranged at the top of the fermentation box and is communicated with the fermentation cylinder; the discharging opening is formed in the right side of the fermentation box, and a baffle is detachably arranged at the discharging opening; the push plate is arranged on the fermentation cylinder; the first driving part is connected with the push plate to drive the push plate to slowly rotate around the axis of the fermentation cylinder; the supporting legs are rotationally arranged at the bottom of the fermentation box; the second driving part is connected with the fermentation box so as to drive the fermentation box to rotate around the supporting legs. The device can automatically adjust the temperature and humidity of air in the fermentation box to ensure that black tea leaves have proper fermentation temperature and humidity, and the fermentation cylinder is fixed, and the push plate pushes the tea leaves to move, so that the energy consumption in the fermentation process can be reduced.

The utility model discloses papermaking wastewater treatment equipment, which belongs to the technical field of papermaking wastewater treatment and comprises a treatment tank and a wastewater treatment mechanism positioned on the treatment tank, one side of the top wall of the treatment tank is fixedly connected with a feeding pipe, four corners of the top wall of the treatment tank are welded with support columns, and the four support columns are welded with a lifting frame together. The wastewater treatment mechanism comprises an air cylinder mounted on the ascending frame, a bottom frame connected to the lower part of the air cylinder, a first motor mounted in the bottom frame, a transmission shaft coaxially connected with an output shaft of the first motor, stirring blades mounted on the transmission shaft and a mixing vessel positioned in an inner cavity of the treatment tank; wherein the stirring blades extend into an inner cavity of the mixing vessel to mix and stir wastewater and a flocculating agent, a second motor is horizontally mounted on one side wall of the treatment tank, and inner supporting shafts are rotationally connected to the two sides of the inner cavity of the treatment tank respectively. The papermaking wastewater treatment equipment realizes automatic discharge of solids after wastewater treatment, and avoids the trouble of manual treatment.

The utility model is suitable for chemical storage technical field provides an ink waste liquid acid storage device, include: prefabricated shell, set up in the inner tank for storing ink waste liquid acid in the prefabricated shell, set up in the protective shell for preventing the leakage of the inner tank outside, fixed communication in the inner tank on the pipe, the liquid inlet end fixed communication of pipe has the box, set up in a plurality of filter plates in the box, fixed communication in the liquid inlet pipe of the box top, set up in the prefabricated shell of liquid discharge mechanism, for discharging the liquid in the inner tank with the protective shell. The ink waste liquid acid storage device provided by the scheme, through the help of the double protection of the inner tank and the protective shell, cooperate with the anti -permeation layer of the inner wall of prefabricated shell, form " main storage, secondary collection, outer layer barrier " three -level leakage prevention system, reduce the risk of leakage.

The utility model relates to the technical field of batteries, in particular to a drying oven system and a battery production line. The drying oven system comprises an air inlet pipeline, a humidity adjusting device, a first humidity detecting device, a drying device, a temperature adjusting device and an exhaust pipeline, the air inlet pipeline comprises a first air inlet pipe and a second air inlet pipe, fresh air enters one end of the first air inlet pipe, and the other end of the first air inlet pipe communicates with the humidity adjusting device; the second air inlet pipe is communicated with the exhaust pipeline; the communicating position of the second air inlet pipe and the exhaust pipeline is arranged on the upstream side of the temperature adjusting device, the second air inlet pipe communicates with the first air inlet pipe, and the second air inlet pipe is used for guiding air exhausted by the exhaust pipeline into the drying device. The communicating position of the second air inlet pipe and the first air inlet pipe is arranged between the temperature adjusting device and the humidity adjusting device. According to the film drying device, the humidity of the gas entering the drying device can be within the preset range, so that the film is dried, and the cracking probability of the film is reduced.

The utility model discloses an integrated glue solidification detection structure's angle grinder, including setting's machine base, install drive seat on the machine base, drive seat is symmetrically arranged, be connected with the angle seat through the movement structure on drive seat, the angle seat is distributed on the machine base upper end four corners, the clamping groove for placing photovoltaic board is seted up on the angle seat, the clamping groove is opposite to set up, install drive motor under drive seat, drive motor output end is connected with the rotating shaft, the rotating shaft is connected in the clamping groove inside through -penetrating, the rotating shaft outside is provided with the carousel. This integrated glue solidification detection structure's angle grinder, the angle seat is convenient for four corner positions of photovoltaic board to carry out positioning and polishing simultaneously, avoids the deviation or inclination of photovoltaic board in the processing, and the polishing of photovoltaic board corner is carried out through the rotary motion of carousel, and the whole structure is simple, reduces the problem that the maintenance cost increases due to the setting complex structure.

The present invention belongs to the field of agricultural machinery, and in particular relates to a sand prevention and control vegetation block forming device, comprising a hydraulic support body, a sliding platform and a feeding frame. Support gas rods are fixedly installed on both sides of the hydraulic support body, and both sides of the sliding platform are fixedly connected to the telescopic ends of the support gas rods. The feeding frame is slidably connected to one side of the upper surface of the sliding platform, and the upper and lower ends of the feeding frame are both open. A discharge structure for guiding and releasing soil is arranged in the feeding frame; a reverse cleaning structure is arranged on the side of the feeding frame close to the shaping mold. In the present invention, soil scattered on the sliding platform and the shaping mold can be cleaned by the arranged bristles, and the cleaned soil is discharged into a soil collecting bag through a soil withdrawal trough for collection, thereby avoiding soil scattering on the ground during work, reducing pollution to the working environment, and reducing the difficulty of cleaning. The soil collecting bag also contributes to the recycling of soil.

The utility model belongs to the technical field of ethylene cracking equipment, and discloses a quenching heat exchanger. The quenching heat exchanger comprises a barrel, an upper tube plate, a lower tube plate, an inlet seal head, an outlet seal head and a plurality of heat exchange tubes, the upper tube plate and the lower tube plate are connected to the two ends of the barrel respectively in the vertical direction and jointly define a shell pass cavity, cooling water circulates in the shell pass cavity, the inlet end socket is connected to the end, away from the barrel, of the lower tube plate, the outlet end socket is connected to the end, away from the barrel, of the upper tube plate, and the heat exchange tubes are evenly distributed in the barrel. One end of the heat exchange tube penetrates through the lower tube plate and is communicated with the inlet seal head, and the other end of the heat exchange tube penetrates through the upper tube plate and is communicated with the outlet seal head, so that high-temperature cracking gas circulates in a tube pass chamber in the heat exchange tube; the upper tube plate is provided with an exhaust mechanism, and the exhaust mechanism is used for exhausting water vapor accumulated on the upper tube plate; the lower tube plate is provided with a sewage discharging mechanism which is used for discharging dirt accumulated on the lower tube plate. The quenching heat exchanger can discharge stains and water vapor, and the reliability of the quenching heat exchanger is improved.

The utility model discloses an integrated tank body structure of a tire bead steel wire copper plating auxiliary tank. The integrated tank body structure comprises an auxiliary tank I, an auxiliary tank II, an auxiliary tank III, a partition plate, a high-position overflow pipe, a discharge pipe, a stirrer, a communicating pipe, a metering pump, a circulating pump and a liquid level pipe, partition plates are connected into the first auxiliary groove and the second auxiliary groove, stirrers are connected to top plates, on the two sides of the partition plates, of the first auxiliary groove and the second auxiliary groove, the first auxiliary groove is connected to the top face of the second auxiliary groove, the second auxiliary groove is connected to the top face of the third auxiliary groove, and the bottoms of the side faces of the first auxiliary groove, the second auxiliary groove and the third auxiliary groove are all connected with discharge pipes and high-position overflow pipes; the bottom of the side face of the third auxiliary tank is further connected with a liquid level pipe, the high-position overflow pipe is connected with a discharge pipe, and the second auxiliary tank and the third auxiliary tank are connected through a metering pump and a circulating pump. Compared with the prior art, the copper plating auxiliary tanks are integrally connected to form a new tank body structure by using the connecting pipes connected with the ball valves and the metering pumps, so that the occupied area of the tank body is reduced, the stability of the concentration of a solution is ensured, and the dripping accuracy of the solution is improved.

The present invention relates to the technical field of battery management for hybrid electric drones, and in particular to a battery management method for hybrid electric drones and a hybrid electric drone. The battery management method, after the hybrid electric drone completes a flight mission, performs the following steps: detecting the current voltage of each battery pack in a rechargeable battery pack; determining the current minimum voltage of each battery pack in the rechargeable battery pack; screening out battery packs to be discharged from the rechargeable battery pack whose first difference between the current voltage and the current minimum voltage exceeds a first set threshold; and discharging the battery packs to be discharged so that the voltage of the battery packs to be discharged and the first difference do not exceed the first set threshold. The present invention discharges unbalanced battery packs after each flight mission is completed, ensuring that the battery packs are balanced when the hybrid electric drone performs a flight mission next time, thereby improving the power supply safety performance of the hybrid electric drone.

The utility model relates to the technical field of sewage grid treatment mechanisms, in particular to a grid-linked sewage treatment device, which comprises a bottom plate, a shell and a filter cartridge, the filter cartridge is arranged on the inner side of the shell, the top of the filter cartridge is fixedly connected with the top of the inner wall of the shell, an auger body is rotatably mounted in the filter cartridge, and the grid-linked sewage treatment device further comprises a grid-linked sewage treatment device. A supporting plate; the supporting plate is movably mounted at the bottom of the filter cartridge; a base is arranged on the outer side of the supporting plate, and an electric telescopic rod is fixedly installed at the bottom of the supporting plate. The utility model solves the problems in the prior art that the dirt on the grid is difficult to effectively clean and the grid is easy to block when the device is used.

The present invention belongs to the field of electrochemistry, and specifically relates to a temperature-adjustable thermal battery electrolyte and a preparation method and application thereof. The present invention discloses a thermal battery electrolyte, which utilizes the phase change of a polymer or an organic matter to realize the activation of the thermal battery. Before the phase change, since the mixed system composed of a metal salt and a polymer is in a solid phase and has no ion conductivity, there is no ion path inside the battery, and the battery cannot realize discharge. After the phase change, the polymer or organic matter is in a molten state, and the metal salt dissolves therein to realize internal ion conduction, and the battery is activated to realize normal discharge.

The present invention relates to the field of aviation technology, and in particular to a modular aviation power battery system. Its technical solution includes: a battery housing, a mounting plate and an aircraft body. The mounting plate is fixedly installed inside the battery housing, and the surface of the mounting plate is respectively provided with a power module and a collection module. A cover plate is installed on the surface of the battery housing at one end of the mounting plate, and a display screen is fixedly installed on the surface of the cover plate. The output of the power module and the collection module of the present invention adopts a quick-change connector mode, and the weight of each module is controlled below 30kg, which can be installed and replaced more conveniently. In addition, by adopting a series or parallel connection, the entire system can realize two to more than ten power circuits, realize functional redundancy, and improve safety performance. The small module has a lower requirement for a regular large-size space, and can be installed in many places during flight, fully meeting the requirements of the fragmented space of the aircraft and optimizing the use process.

The utility model discloses a device for accurately monitoring damage of EDI (electrodeionization) desalting equipment due to water shortage. The device comprises a plurality of bubble removing mechanisms which are assembled and communicated at the water outlet end of the EDI desalting equipment, the bubble removing mechanism comprises a shell, a bubble removing assembly is rotationally connected into the shell, the bubble removing assembly comprises inner rolling bearings arranged on the two sides at intervals, and a plurality of obliquely-arranged bubble removing plates are fixedly connected to inner rings of the inner rolling bearings correspondingly. Fixed end seats are fixedly connected between the outer ends of the bubble removing plates, and a connecting shaft is fixedly connected between the fixed end seats; the connecting shaft is fixedly connected with a driving impeller for driving the bubble removing assembly to rotate; water carrying a large number of bubbles enters the shell to push the bubble removing plate to rotate, so that the bubbles are broken and removed; and the water outlet end of the bubble removing mechanism is assembled and communicated with a water outlet pipe. In this way, a large amount of bubbles are removed, the measurement accuracy of the flowmeter is improved, and the water yield of the water outlet end of the equipment is accurately monitored.

The utility model relates to portable catheter, portable catheter includes catheter body, the pipe, valve subassembly and switch subassembly, the catheter body is connected with the pipe, and the inside of pipe is opened sealed cavity, and the second end of sealed cavity has the spigot, valve subassembly sets up in sealed cavity, and with the lateral wall of sealed cavity is connected to seal sealed cavity, switch subassembly includes switch piece and with flow guide pipe department, switch piece swing joint is in the pipe far from the one end of catheter body, and the one end of flow guide pipe department is inserted into sealed cavity from the spigot, and the other end of flow guide pipe department is communicated with outside, switch piece can be along the direction of being close to valve subassembly or being far from valve subassembly and move on the pipe, and flow guide pipe department moves to butt in valve subassembly along with switch piece, triggers valve subassembly to open, and flow guide pipe department is communicated with the first end of sealed cavity. Make the patient be able to control the discharge of urine self, need not through the urine bag to collect urine, simple structure, will not extra increase the burden of patient.

The present invention discloses a compound material production tail gas treatment device, comprising a tower body, wherein an inner shaft is coaxially arranged in the tower body, a first spiral sheet and a second spiral sheet are arranged outside the inner shaft, the first spiral sheet and the second spiral sheet are arranged up and down and connected together, the interior of the second spiral sheet is hollow, and air outlet holes are evenly distributed on the upper surface, an air outlet groove is arranged near the lower position of the outer wall of the inner shaft, and the air outlet groove corresponds to the internal space of the second spiral sheet, a lower baffle is arranged at the bottom of the inner shaft, and an air inlet groove is arranged on the outer wall of the inner shaft below the lower baffle; the device can allow activated carbon particles to adsorb particulate matter more evenly, thereby extending the maintenance cycle.

The utility model discloses a charging and discharging device capable of quickly taking and placing a battery. The charging and discharging device comprises a battery bin, the battery, a spring bolt, a mounting cover and a driving assembly, a containing cavity is formed in the battery bin, and a battery is placed in the containing cavity. A clamping hole is formed in the surface of the battery bin and matched with the spring bolt. The mounting cover is arranged at one end of the battery, the driving assembly is arranged in the mounting cover and connected with the spring bolt, and the driving assembly drives the spring bolt to stretch out and draw back; and the spring bolt extends out and is clamped in the clamping hole of the battery bin to fix the battery, and the spring bolt retracts into the mounting cover to be used for taking out the battery. According to the utility model, the battery can be quickly taken and placed; the device is suitable for a severe vibration environment, and power failure is avoided; charging or discharging of the two batteries can be achieved at the same time, and the batteries cannot affect each other during replacement.

This invention belongs to the field of nuclear power plant equipment maintenance technology, specifically relating to an underwater electrical discharge machining (EDM) repair device based on rigid-flexible coupling positioning under irradiation conditions. It includes an underwater transport device, an EDM device, a camera monitoring device, and a control system. The underwater transport device provides transport and positioning support for the EDM device, which performs underwater cutting of instrument bushings. The control system is located above water and performs underwater cutting of instrument bushings via remote operation. The repair process is monitored and recorded in real time by the camera monitoring device. This invention is simple to operate, time-efficient, and does not cause secondary damage to the lower reactor internals, nor does it affect the reuse of the lower reactor internals.

The utility model provides a kind of helium recovery purification equipment of low loss, including condensing cylinder;Condensing cylinder is provided with cooling runner in, and the outer wall of condensing cylinder is provided with cooling member, cooling member is used to cool cooling runner;Cooling runner is provided with impurity removal assembly, and impurity removal assembly includes filter screen, and filter screen is fixed in cooling runner by vibration rod, and the front of vibration rod is provided with the linear array of multiple blunt body rods, and impurity removal assembly further includes the high-pressure air nozzle of circumferential array on cooling runner, and the output end of high-pressure air nozzle is towards blunt body rod;Impurity removal assembly includes the drop chute of being opened in cooling runner and being located below filter screen, and drop chute is used to collect the impurity falling from filter screen;Cooling runner is provided with rotatable collection ring outside, and collection ring is provided with multiple collection cavities corresponding drop chute. By high-pressure gas pulse impact blunt body rod vortex vibration is generated, makes filter screen high-frequency vibration, can on-line, quickly remove adhered solid impurities.

The present invention introduces a continuous sludge extrusion device with rollers, which comprises a variable pitch stepped sludge concentrating device, a belt extrusion filter and a belt plate frame high-dryness press with rollers, wherein the outlet of the variable pitch stepped sludge concentrating device is located at the inlet of the belt extrusion filter, and the outlet of the belt extrusion filter is located at the inlet of the belt plate frame high-dryness press with rollers; the present application arranges a variable pitch stepped sludge concentrating device before the belt plate frame high-dryness press with rollers, and realizes the first progressive pressure extrusion by gradually reducing the pitch, and thereafter, a belt extrusion filter is further arranged to realize the secondary extrusion to further reduce the dryness of the sludge; finally, an upper roller extrusion assembly and a lower roller extrusion assembly are designed in the belt plate frame high-dryness press with rollers, and the upper roller extrusion assembly and the lower roller extrusion assembly are used to extrude the top of the pressing plate, thereby realizing continuous dehydration of the sludge and obtaining high-dryness sludge.