51 results about "Water escape" patented technology

The invention provides a hydraulic ram pump system, comprising: a hydraulic ram pump body comprising a main body pipeline, a water escape valve, a water delivery valve and a pressure tank, the main body pipeline comprises a main body pipe and a third branch pipe which are communicated, the main body pipe is provided with a water inlet, a first interface and a second interface, the third branch pipe is provided with a third interface, the water escape valve is arranged at the first interface, and the pressure tank and the water delivery valve are arranged at the second interface; the piston assembly is hermetically mounted on the third branch pipe in a reciprocating motion manner from the third interface; the piston assembly, the transmission conversion device, the rotation transmission device and a rotor of the power generation device are sequentially in transmission connection, and the transmission conversion device is arranged to convert reciprocating linear movement of the piston assembly into one-way rotation of the rotation transmission device. The rotation transmission device is arranged to drive the rotor of the power generation device to rotate unidirectionally. According to the water hammer pump system, when the water hammer pump body continuously operates, the piston assembly can periodically do reciprocating linear movement, and power generation of the power generation device can be achieved.

The utility model provides a novel perishable garbage bio-drying drainage system, which is characterized in that a fermentation bin body is arranged in a tower-type treatment device, the fermentation bin body comprises a feed port, a stirring unit and a drainage unit from top to bottom, support beams are arranged in the fermentation bin body in a layered manner, support parts capable of supporting materials are arranged on the support beams, and the feed port is communicated with the stirring unit and the drainage unit. The stirring unit is divided into stirring discharging areas which are communicated with each other up and down through a supporting beam, each layer of stirring discharging area is provided with a discharging opening in the tower-type treatment device, and feeding equipment communicated with a feeding opening in the top of the tower-type treatment device is arranged outside the discharging opening. According to the tower-type treatment device, materials in the bin body of the tower-type treatment device are fully mixed and the aeration fermentation effect is enhanced through layered material supporting of the supporting beams, layered stirring discharging and top mixed feeding circulation, more water escapes along with aeration and is sucked to the gas dehumidification unit, and downward collection of the water is reduced.

The invention discloses a mass concrete cooling water flow control method and system and a storage medium, and relates to the technical field of engineering control, and the method comprises the following steps: collecting concrete internal temperature data and cooling water flow data and temperature data of each branch in a cooling water pipe network in real time; based on the collected concrete internal temperature data, establishing an exponential decay model, and predicting the temperature of each concrete area in a future preset time period; dynamically calculating an optimized flow set value required by each cooling water branch according to a heat balance principle; based on the optimized flow set value required by each cooling water branch, the opening degree of each branch control valve and the opening degree of a system water escape valve are dynamically adjusted through a cascade control strategy of flow and pressure, and control over the cooling water flow is achieved. Uniform and synchronous cooling of mass concrete can be achieved, the temperature difference between the inner surface and the outer surface is remarkably reduced, temperature cracks are effectively restrained, and the construction quality and the structural durability are improved.

The marine mushroom-shaped ventilator capable of being automatically opened and closed comprises an air duct, an air cap, a screw rod and a fixing frame, and the lower end of the screw rod is arranged on the fixing frame in a penetrating mode; an upper cover plate is arranged above the hood, and a ventilation opening part is arranged at the top of the hood; a weather tight hopper is arranged between the top of the air duct and the ventilation opening part of the air cap; a rainwater receiving opening is formed in the top of the weather tight hopper; a spring is arranged between the weather tight hopper and the fixing frame; the screw rod penetrates through the upper cover plate, the weather tight hopper and the spring; and a water escape valve is arranged at the bottom of the hood. The device is convenient to use, and can automatically close the air funnel without the need of a sailor to reach the air funnel position for operation under the conditions of severe sea conditions and a large amount of water, seawater cannot enter a cabin, and the safety of the sailor and a ship is guaranteed.

The utility model relates to a pressure reduction type backflow preventer which comprises a valve body, an inlet and an outlet of the valve body are respectively provided with a check valve, a water escape valve is arranged between the two check valves at the lower end of the valve body, each check valve comprises a sealing plate, a valve rod, a spring, a valve seat and a guide seat, and the sealing plate is arranged at one end of the valve rod and located on the right side of the valve seat. The guide seat is arranged on the left side of the valve seat, the other end of the valve rod penetrates through the guide seat to be located on the left side of the guide seat, the spring sleeves the portion, located on the left side of the guide seat, of the valve rod, a magnetic ring is arranged on the periphery of the valve seat, and a magnet attracted with the magnetic ring is arranged on the sealing plate. The check valve can be rapidly and reliably closed through the arrangement of the spring when a medium stops flowing or reversely flows, meanwhile, through the cooperation of the magnetic ring and the magnet, the sealing plate can be further pressed on the valve seat under the action of extra magnetic force when the sealing plate is close to the valve seat, tighter sealing is formed, and the sealing effect of the check valve is improved. And the sealing performance of the check valve is greatly improved.

The invention relates to the technical field of vehicle safety, and discloses a vehicle falling-into-water escape method and system and a vehicle. The method comprises the steps that first sensing data of a sensor unit on the vehicle and second sensing data of an inertial measurement unit on the vehicle are obtained; under the condition that at least one of the first sensing data and the second sensing data meets a preset triggering condition, determining a water falling confidence coefficient according to the first sensing data and the second sensing data; determining whether the vehicle is in a drowning state based on the drowning confidence; and under the condition that the vehicle is in the water falling state, an execution module of the vehicle is controlled to execute escape operation in response to the water falling state. Triggering judgment is performed by combining the sensing data of the sensor unit and the inertial measurement unit, so that the influence of false triggering on use can be effectively avoided, quick response to escape operation when falling into water is ensured, and the reliability of the system is improved.

The application discloses a floating device for underwater experiment of an aircraft, which comprises a shell, a connecting plug arranged at the bottom of the shell and connected with a projectile body of a launcher, a core body installed in the shell, a top cover arranged at the top of the shell, a locking device arranged between the core body and the bottom of the shell, a spring release assembly connecting the core body and the shell, an electronic control system installed in the core body, an antenna arranged in the core body, and a communication quick plug arranged in the cavity of the core body. The shell bottom quick connector obtains the data in the projectile body, the shell is internally provided with the core body for obtaining the data in the projectile body through the communication quick connector and internal cable, and the core body realizes autonomous floating through the cooperation of the locking device and the spring release assembly. Only the core body needs to be salvaged, and the problems of difficult positioning and salvaging of the projectile body and difficult recovery of the projectile body data in the underwater experiment of the aircraft are solved.

The invention discloses a closed normal-pressure water storage tank device for a water energy storage air conditioning system and an implementation method. Comprising an energy storage water tank, a water seal, first and second nitrogen balls, a nitrogen tank, first to fifth valves, a water escape valve, a nitrogen charging valve and a water replenishing valve, the top of the energy storage water tank is connected with the lowest point of the water seal; one side of the water seal is communicated with the atmosphere; the upper portion of the other side of the water seal is connected with two branch pipes, the tail end of the first branch pipe is provided with a second valve, and the second branch pipe is connected with the upper portion of the nitrogen tank and provided with a third valve. The lower part of the other side of the water seal is connected with the bottom of the nitrogen tank through a branch pipe; the first nitrogen ball is connected with the top of the nitrogen tank and provided with a fourth valve; the second nitrogen ball is connected with the top of the nitrogen tank and provided with a fifth valve; a nitrogen filling valve and a water replenishing valve are mounted at the top of the nitrogen tank; the closed normal-pressure operation of the energy storage water tank can be realized, the function of the expansion water tank is also realized, the initial investment is low, the water quality is good, the corrosion is small, the energy storage efficiency is high, the control is reliable, and the operation is safe.

The utility model discloses a flap sluice valve for a dock, a dock drainage gallery and a dock drainage system, the flap sluice valve for the dock comprises a valve body and a flap, the valve body is cylindrical, the two ends of the valve body are communicated with the outside, and the two ends of the valve body are respectively constructed into a water inlet surface and an inclined first water retaining surface; the turning plate is rotationally arranged on the first water retaining face and used for controlling opening and closing of the valve body. The dock drainage gallery comprises the flap water escape valve for the dock. The dock drainage system comprises the dock drainage gallery. According to the flap water escape valve for the dock, the dock drainage gallery and the dock drainage system, a valve element is replaced with the flap, the flow of circulating water is increased, the dirt passing performance is higher, the probability of valve blockage is smaller, dredging by professional dredging personnel such as divers is not needed, and the additional use cost is lower; and meanwhile, the structure is simple, overhaul and maintenance are more convenient, and the long-term use cost can be reduced.

The utility model relates to the field of rotary kiln equipment, in particular to an end sealing and settling structure for a rotary kiln cooling machine. The settling structure is arranged on the outer side of a barrel of the rotary kiln, the settling structure comprises a cooling shell arranged on the outer side of the barrel in a sleeving mode, and a water spraying head is arranged in the cooling shell; expansion cylinders are installed at the two ends of the cooling shell, and the radial size of the radial layer of each expansion cylinder is larger than that of the cooling shell. According to the utility model, the escape of spray water in the cooling shell can be reduced, and the problems in the prior art are effectively solved.

The utility model relates to the technical field of fire fighting, in particular to a rotary fire-fighting water crane which comprises an overground conveying pipe and a water receiving pipeline which is communicated and fixedly connected with the bottom end of the overground conveying pipe, a water escape valve is arranged in the middle section of the water receiving pipeline, and an extension rod which extends upwards to the ground surface is arranged on a rotating shaft of the water escape valve. The overground conveying pipe comprises a water inlet pipe communicated and fixedly connected with the end of the water receiving pipeline and a water outlet pipe arranged at the end of the water inlet pipe, a rotating pipe is arranged between the end of the water outlet pipe and the end of the water inlet pipe, a driven fluted disc is arranged on the outer wall of the rotating pipe, and a rotating device is arranged on the outer wall of the water inlet pipe. The top end of the rotating device is sleeved with a driving gear meshed with the driven fluted disc, the rotating device is rotated to drive the driving gear to rotate, and rotating force is output to the rotating pipe through the driven fluted disc so that the angle of the water outlet pipe can be changed.

The invention discloses a crawler-type escape device which comprises an input wheel, a driving wheel, a lower swing arm, a main crawler, a supporting wheel, a telescopic arm, a lower swing beam, a fixed beam and the like. The input wheel, the driving wheel and the supporting wheel are fixed to the lower swing beam or the lower swing arm respectively, the fixed beam is fixed to a vehicle chassis, or the fixed beam, the chassis, the electric pedal and other components are integrally designed together. A driving wheel and a supporting wheel are sleeved in a ring by the main track, the driving wheel and the supporting wheel tighten the main track towards two ends on the same plane, and a capstan wheel which can rotate freely and can also be forced to rotate along with the input wheel, the driving wheel, the main track, the supporting wheel or a tire can be mounted on the input wheel, the driving wheel or the supporting wheel to realize a capstan escape function. Water running driving devices such as a driving propeller and a hydraulic ejector are installed to achieve water running and water escape.

The utility model relates to the field of household appliances, and specifically provides a cooking utensil. The cooking utensil comprises a main body, a juice receiving disc and an upper cover, the juice receiving disc is used for being placed on the main body, the upper cover is used for being placed on the juice receiving disc, the juice receiving disc is provided with a water seal groove and a buffer groove extending along the circumference of the juice receiving disc, the buffer groove surrounds the water seal groove, when the upper cover is placed on the juice receiving disc, the side wall of the upper cover extends into the water seal groove, the bottom wall of the buffer groove is provided with a backflow hole, and water in the buffer groove can flow into the inner cavity of the main body through the backflow hole. The cooking utensil of the utility model sets the juice receiving disc between the main body and the upper cover, the side wall of the upper cover extends into the water seal groove, so that water forms a water seal in the water seal groove, when the water forming the water seal overflows, the water flows into the buffer groove from the outer groove part, then is discharged through the backflow hole and flows into the inner cavity of the main body, thereby avoiding that water escapes from the cooking utensil to affect the operation environment and even scald personnel.

This invention discloses an aircraft water-dropping compartment door unlocking and locking mechanism for locking and unlocking the water-dropping compartment door. Specifically, it includes a latch joint and a latch groove. The latch joint is fixed to one side of the water-dropping compartment door, and the latch groove is rotatably installed on one side of the water-dropping compartment door frame. The latch groove can engage with the latch joint. A drive device is installed inside the aircraft door frame to control the rotation of the latch groove. The drive device directly drives the latch groove and latch joint to lock and unlock, making installation convenient and effectively avoiding the influence of the pull rod structure on the water-dropping compartment door. After the latch joint is unlocked by the latch groove, the water-dropping compartment door can be quickly opened under the gravity of the extinguishing medium, enabling timely release of the extinguishing medium. Furthermore, the direct-drive method using the drive device results in a simple structure, stable transmission, and effectively avoids the problem of poor reliability caused by a single point failure leading to the failure of the entire function when using a pull rod structure.

The present invention provides a bubble water spraying device. The bubble water spraying device includes a spraying shell and a reciprocating assembly. The spraying shell is arranged to form a spraying chamber, and a water inlet and a water outlet are provided on the spraying shell; the reciprocating assembly is connected to the spraying chamber, and the reciprocating assembly connects the water inlet and the spraying chamber. Under the pressure generated by water entering the spraying chamber, the reciprocating assembly connects the water outlet and the spraying chamber; wherein, the water outlet includes a gradually converging section and a gradually expanding section that are connected in sequence, and the gas dissolved in the high-pressure water escapes through the negative pressure generated by the gradually expanding section to form high-pressure bubble water with micro-nano bubbles. The bubble water spraying device allows high-pressure water to flow through the gradually converging section and the gradually expanding section in sequence, thereby generating negative pressure in the gradually expanding section to squeeze the gas dissolved in the high-pressure water to form micro-bubble water, which has an impact and peeling effect on the dirt on the surface of the object to be cleaned, and combined with the impact of the high-speed water flow, a cleaner decontamination effect is achieved.

The application discloses a kind of virtual simulation teaching methods for helicopter water escape training, it is related to simulation teaching field, comprising the following steps: S1, data acquisition builds system, while screening trainees;S2, to qualified trainees carry out single training, and grouping division of labour;S3, simulate the water condition and carry out grouping cooperative escape training, and strategy and scheme are formulated based on monitoring data;S4, according to strategy and scheme, carry out entity teaching operation in system, and carry out supplementary training comparison analysis;S5, based on the result of supplementary training comparison analysis, optimize and adjust virtual simulation teaching system to carry out comprehensive capability evaluation, and generate trainee ability report based on comprehensive capability evaluation result.The application is obtained by data, combined with three-dimensional virtual modeling technology, and the logic of the four core structures, key components and working conditions of the entity cabin are copied, and the virtual simulation teaching system is built by building interactive modules and fault emergency interactive nodes.

The utility model discloses a regulator for a water escape valve of a backflow preventer, which belongs to the technical field of regulating structures of water escape valves and comprises a regulator seat connected with a water escape valve, an L-shaped water passing groove is arranged in the regulator seat, the section of the groove is circular, a threaded hole is arranged on one side of the regulator seat, and a sleeve and a regulating rod are in threaded connection with the regulator seat. And the adjusting rod is arranged in the adjuster seat and the sleeve in a penetrating manner and is in threaded connection with the sleeve, and when the adjusting rod is screwed, the adjusting rod can do front-back telescopic movement relative to the adjuster seat and the sleeve. According to the technical scheme, when a valve plug in the water escape valve is clamped, water leakage occurs, and self-stopping cannot be achieved, the adjusting rod is screwed, the adjusting rod can move forwards relative to the adjuster base and the sleeve till the adjusting rod abuts against the valve plug to reset the valve plug, then the function of forcibly closing the water escape valve is achieved, and when the adjusting rod is far away from the water escape valve, the forcible closing effect on the valve plug is relieved; the valve plug can be opened to work again under the action of water flow pressure.

The emergency water escape valve for the indirect air cooling system comprises a heavy hammer mechanism, a first hydraulic supporting mechanism and a second hydraulic supporting mechanism, the heavy hammer mechanism comprises a heavy hammer and a heavy hammer arm which are connected, one end of the heavy hammer arm is connected with the heavy hammer, and the other end of the heavy hammer arm is connected with the emergency water escape valve through a connecting rod mechanism; the first hydraulic supporting mechanism and / or the second hydraulic supporting mechanism are / is connected with the heavy hammer mechanism and drive the heavy hammer mechanism to swing so as to drive the emergency water escape valve to be opened and closed, the first hydraulic supporting mechanism is connected with the end, away from the heavy hammer, of the heavy hammer arm through the connecting rod mechanism, and the second hydraulic supporting mechanism is connected to the lower portion of the heavy hammer arm. On the basis of an original hydraulic supporting mechanism, a set of hydraulic supporting mechanism is additionally arranged on the heavy hammer arm, dual acting force is formed by the hydraulic supporting mechanism and the original hydraulic supporting mechanism, normal opening and closing of the emergency water escape valve are guaranteed, and safe and reliable operation of an indirect air cooling circulating water system is guaranteed.

The invention discloses a novel single-phase 400KV power transformer and a using method thereof, and relates to the technical field of power transformers, the novel single-phase 400KV power transformer comprises a single-phase power transformer, the single-phase power transformer comprises an oil tank and a high-voltage bushing, and high-voltage side pieces are arranged on the two sides of the high-voltage bushing. During use, when the miniature gas chromatograph detects that the content of gas released in the insulating oil exceeds the standard, the oil pump is started, impurities in the insulating oil are removed through cooperation between the coarse filter plate and the fine filter plate, the insulating oil with the impurities filtered is conveyed into the negative pressure tank, the negative pressure pump is started, and the insulating oil is discharged from the negative pressure tank. The inside of the negative pressure tank is in a micro-negative pressure state, water escapes from the oil, impurities and water in the insulating oil are filtered, then the release amount of gas in the insulating oil is detected through the micro gas chromatograph, whether the transformer operates normally or not is judged, and the filtering assembly is matched with the cooling assembly.

The utility model discloses a drainage anti-freezing check valve and a drainage system, and relates to the field of drainage systems, the drainage anti-freezing check valve comprises a valve body, a valve cover is installed on the valve body, a water escape valve is installed on the valve cover, the water escape valve comprises a water escape valve main body and a valve rod, a valve cavity communicated with the valve body is formed in the water escape valve main body, and a drainage hole is formed in one side of the water escape valve main body; the valve rod is in threaded connection with the water escape valve body, and the drainage hole can be communicated with the valve cavity or the drainage hole and the valve cavity can be blocked by rotating the valve rod. Manual or automatic water drainage can be achieved, and the purposes that it is guaranteed that the check valve and a pipeline of the check valve are not frozen to crack in winter, and safe and stable operation is achieved are achieved.

The utility model discloses a safety emergency showering device for blast furnace smelting, which comprises a U-shaped pipe, an electromagnetic control valve, an electronic temperature controller, a cooler, a heater and a water quality purifier are sequentially arranged on a pipeline at the water inlet end of the U-shaped pipe from near to far, the water outlet end of the U-shaped pipe is communicated with a showering head, and an inductive probe is arranged on the vertical part of the U-shaped pipe close to one side of the showering head; the bottom of the U-shaped pipe is communicated with one end of a water drain pipe, and the other end of the water drain pipe extends into the water collecting hopper; the electronic temperature controller and the inductive probe are respectively and electrically connected with the signal input end of the PLC, and the signal output end of the PLC is respectively and electrically connected with the electromagnetic control valve, the water escape valve, the cooler, the heater and the water purifier. By means of the device, emergency shower cooling can be carried out on burnt and scalded people in the first time, a water source is clean and constant in temperature, damage to the body caused by burning and scalding is greatly reduced, intelligent control is achieved, and practicability and convenience are achieved.

A repairing device for a pipeline compensator comprises a shell, a fixed flange, a rib plate, a packing, a filler flange, a movable flange, a bolt, a nut, a water escape valve and an exhaust valve, the shell, the fixed flange, the filler flange and the movable flange are each of a structure with the middle separated, the bottom of the shell passes through the pipeline water escape valve, and the exhaust valve is arranged at the top of the shell; the fixed flange is welded together with one end of the shell through a rib plate, the packing flange is welded together with the other end of the shell, the packing is arranged in the packing box, the movable flange is located on the inner side of the packing flange, the movable flange is connected with the packing flange through a bolt and a nut, the movable flange is provided with a pressing ring, and the pressing ring abuts against the packing. The outer diameter of the hold-down ring is smaller than the inner diameter of the packing box. Under the condition that heat supply is not stopped, a water-leaking pipeline compensator or a water-leaking heat supply pipeline can be repaired, heat supply is not affected, and the repairing speed is high.

The utility model relates to the technical field of aeronautical engineering, and discloses a quick-connection detachable blowdown vehicle for airplane blowdown, the top of a connecting piece is provided with a drain pipe, the surface of the drain pipe is provided with three grooves, the bottom end of a connecting pipe is fixedly connected with a corrugated pipe, the bottom end of the corrugated pipe is fixedly connected with a water outlet pipe, and the bottom end of the water outlet pipe is fixedly connected with a water inlet pipe. A valve is fixedly connected to the bottom end of the water outlet pipe, a water bucket is fixedly connected to the top of the bottom plate, a fixing block is fixedly connected to the top of the water bucket, a plurality of hasps are rotationally connected to the tops of the fixing block and the connecting block, and a plurality of locking blocks are fixedly connected to the surfaces of the connecting pipe and the water outlet pipe. According to the portable sewage discharging device, the independent portable sewage discharging device formed by connecting the connecting pipe, the corrugated pipe and the water outlet pipe can improve the sewage discharging efficiency, increase the portability, is small in occupied area, can be carried and used along with an airplane, can be adsorbed on an airplane body through the suction cups to collect water discharged from a discharging opening, and avoids the risk that the water escapes to pollute an airplane apron.

The invention belongs to the technical field of automobile safety, and particularly relates to a falling-into-water escape headrest without changing an automobile structure, which comprises an automobile headrest and a headrest support mounted in the automobile headrest, two groups of falling-into-water auxiliary binding mechanisms are symmetrically arranged on the headrest support, and the two groups of falling-into-water auxiliary binding mechanisms are symmetrically arranged on the headrest support. Through cooperation of the automobile headrest, the headrest support, the foaming filling body and the falling-into-water auxiliary binding mechanism, a person falling into water floats on the water surface through buoyancy of the foaming filling body, then life-saving conditions can be provided for the person falling into water after an automobile is in danger and falls into water, meanwhile, the automobile headrest can be bound in front of the chest through the falling-into-water auxiliary binding mechanism, and the life-saving effect is good. The situation that the automobile headrest is separated from the human body due to the panic emotion of a person falling into water is avoided, so that the upper body of the person falling into water can be located above the water surface all the time, the person falling into water can do self-rescue action and is prevented from drowning, and therefore safe escape of the person falling into water is guaranteed.

The invention discloses a parachute throwing device for escaping from a water area, which belongs to the field of lifesaving facilities and comprises a compressed air bottle, a launching cylinder, a parachute bag with an annular inflation cavity, a rope, a rope rolling hand wheel, an inflation air bottle and an automatic inflation parachute opening module. The compressed air bottle is detachably arranged at the bottom end of the launching cylinder and is provided with a manual valve; the automatic inflation parachute opening module comprises a PCB integrated with a three-axis acceleration sensor, an MCU control unit and an electromagnetic valve, a water pressure sensor, an inflation gas cylinder and a high-pressure gas pipe, and a probe of the water pressure sensor is fixed to a waterproof hole in the lower portion of the parachute pack. After the MCU judges that the throwing state, the underwater environment and the posture are stable according to data of the sensor, the electromagnetic valve is triggered to enable the inflation air cylinder to inflate the annular inflation cavity to open the parachute, anti-interference logic and emergency backup are included, the parachute is automatically opened, the water area rescue efficiency and safety are improved, the device is suitable for rescuing drowning persons, and rescuers can recycle trapped persons through the rope winding hand wheel.

The utility model relates to the technical field of precast concrete production, and discloses a precast concrete member dry-method curing device which comprises a box body, a lifting plate is arranged in the box body, a formwork mounting base is mounted on the end face of the lifting plate, and a set of sliding rods are fixedly mounted on each of the two sides of the upper end of the lifting plate; the rod wall of each sliding rod is slidably connected with the top of the box body, an opening is formed in the position, located between the two sets of sliding rods, of the top of the box body, a sealing cover plate is arranged above the opening, a groove is formed in the lower end of the sealing cover plate, and a condensation plate is installed in the groove; and a plurality of semiconductors for refrigeration are fixedly inserted into the bottom of the groove. According to the dry curing device, dry curing can be conducted on the precast concrete unit in a sealed condensation mode, water escape is effectively reduced, the number of times of spraying water to the precast concrete unit by personnel is reduced, and waste of water resources is reduced.

The invention relates to the technical field of cleaning equipment, and discloses a self-moving robot, a cleaning system and a cleaning method.The self-moving robot comprises a machine body, the machine body comprises a sewage tank, and the sewage tank comprises a sewage outlet and a water escape valve; the driving mechanism is provided with a first output shaft and a second output shaft, the transmission system is in transmission connection with the first output shaft and the water escape valve and is suitable for being switched between a disconnection state and a connection state, and in the connection state, the transmission system is connected with power connection of the first output shaft and the water escape valve so as to open the drain outlet; in the disconnection state, the transmission system separates the power connection between the first output shaft and the water escape valve so as to allow the drain outlet to be closed; the stirring assembly is arranged in the sewage tank, and when the transmission system is in a disconnected state or a connected state, the stirring assembly is in transmission connection with the second output shaft. According to the self-moving robot, the cleaning system and the cleaning method, the problems that a base station is large in size, complex in structure and high in cost, the sewage tank cannot be self-cleaned, and the cleaning effect is poor are solved or improved.

The invention belongs to the technical field of petrochemical engineering, and relates to an oil-gas separator with a gas phase anti-overflow function. The device comprises a separation box body, a liquid inlet pipe and an air outlet pipe are arranged on the separation box body, a mist catcher is installed in the air outlet pipe, and the device further comprises a U-shaped frame and an elastic piece; the U-shaped frame is arranged in the separation box body in an up-down moving mode, and the elastic piece is movably arranged on the U-shaped frame; and a driving assembly for driving the elastic sheet to move is arranged on the U-shaped frame. By moving the U-shaped frame, the lower end of the elastic piece is flush with the boundary of oil and water, then the elastic piece moves along the boundary of the oil and water, the oil and the water are separated through the elastic piece, an oil film is prevented from blocking gas to be further separated from the water, and meanwhile, the oil and the water are prevented from being mixed again when the gas in the water is separated. Then the U-shaped frame is moved upwards, the volume of the water cavity is increased, gas in the water is removed under the action of negative pressure, the U-shaped frame is moved downwards, the gas in the water cavity is exhausted, and then oil, gas and water are efficiently separated.

The utility model relates to the technical field of water purifiers, and provides a water purifier with a plurality of reverse osmosis units, which comprises a main water inlet valve, a booster pump, a water inlet valve, at least three reverse osmosis units and a water escape valve. Wherein the main water inlet valve is connected with raw water; the booster pump is communicated with the main water inlet valve; the water inlet valve is provided with a water inlet valve port, a first water drainage valve port and a second water drainage valve port, each reverse osmosis unit is provided with an input end, a pure water output end and a concentrated water output end, the reverse osmosis units are sequentially connected in series, and the water escape valve is provided with a first input port, a second input port and an output port. According to the water purifier provided by the utility model, the states of the water inlet valve and the water escape valve are controlled by arranging the water inlet valve and the water escape valve, so that the plurality of reverse osmosis units can be switched between forward water and reverse water, each reverse osmosis unit can be fully utilized, the service life is prolonged, the plurality of reverse osmosis units are arranged to filter and utilize concentrated water, and the water purification efficiency is improved. The content of impurities in the finally obtained concentrated water is more, and the waste of water resources is avoided.