45results about How to "Realize spraying" patented technology

The invention relates to the technical field of intelligent equipment of the facility agriculture, particularly to an automatic spraying robot for a greenhouse, which comprises a track traveling component, a liquor spraying component fixed on the track traveling component and a control unit connected with the track traveling component and the liquor spraying component respectively, wherein the track traveling component comprises a driving device and track wheels; the track wheels travel on a group of tracks; the control unit is used for automatically controlling the traveling of the track traveling component and the spraying of the liquor spraying component. According to the automatic spraying robot for the greenhouse, provided by the invention, the track wheels are taken as supports, and travel on the tracks, all that is needed is to pave tracks on the ground, and a support frame is not needed to be erected, so that the cost is low, and the automatic spraying robot can be applied in a small-sized greenhouse; besides, the track automatic traveling manner has stronger adaptability to uneven pavements inside a greenhouse, and the robot can travel on a concave-convex ground well, so that the smooth traveling of the robot is guaranteed.

The invention relates to an idle sealing and explosion suppression device used for dangerous chemical containers, and a defense method which responds to multistage shaped charge and aims at conducting sympathetic detonation on oxygen-contained hydrocarbon gas in gas-phase space of the container in a mode of entering the payload containers at any time. The device comprises idle sealing devices arranged on the dangerous chemical containers. Each idle sealing device comprises a U-shaped sleeve, wherein a Y-shaped penetrating pipe is arranged inside the U-shaped sleeve, one upper port of the U-shaped sleeve is communicated with the gas-phase of a gas idle sealing medium source, the other upper port of the U-shaped sleeve is communicated with the gas-phase of the corresponding container through an idle sealing disc on the top of the corresponding container, the port on the gas distribution side of the Y-shaped penetrating pipe is hung in a vertical pipe on the gas distribution side of the U-shaped sleeve, the port on the corresponding container side of the Y-shaped penetrating pipe is connected with a spraying pipe on the top of the corresponding container, the bottom port of the U-shaped sleeve is connected and communicated with a liquid-state fire protection medium source after penetrating out of a bottom connection pipe of the U-shaped sleeve, a liquid valve of the sleeve can serve as a large-breath and small-breath valve, a liquid valve of the penetrating pipe can serve as a safety relief valve, the atmosphere can be isolated in a systemic mode, and the combustion explosion condition of the gas-phase space of the corresponding container and pipelines can be permanently restrained.

The invention discloses a pesticide mixing device and a pesticide mixing method for a paddy field pesticide applying machine. The device comprises a forced water-absorbing and filter device and a pesticide mixing device, wherein the forced water-absorbing and filter device consists of a water suction pump, a secondary filter and a plurality of parallel water getting branches which are connected in sequence; the pesticide mixing device comprises a small water tank, a pesticide mixing tank, a liquor tank and a pesticide stock solution tank. Liquid level sensors are arranged on the pesticide mixing tank, the small water tank and the liquor tank; a rotary propeller type stirrer is further arranged on the pesticide mixing tank. The pesticide mixing device adopts a mode of getting water on line in real time and mechanically stirring and mixing to prepare liquor and sufficiently mix the liquor, so that the liquor mixing uniformity is improved, the volume of the liquor tank is greatly reduced, the weight of the pesticide applying machine is reduced and the grounding specific pressure is reduced. The pesticide mixing device is mainly used for realizing the light weight of the pesticide applying machine and improving the online pesticide mixing uniformity. The pesticide mixing device can be applied to a large-medium-sized boom spraying mechanical device of paddy field operation.

The invention relates to an intelligent passive hemispherical directional automatic fire extinguishing device, and belongs to the technical field of fire-fighting fire extinguishing machinery. The intelligent passive hemispherical directional automatic fire extinguishing device comprises a hemispherical metal shell, a central control processor, a gas generator and a dry powder fire extinguishing agent. A plurality of spraying devices are uniformly arranged on the hemispherical surface, an intelligent detection alarm is installed between the spraying devices, the angle of the spraying devices can be freely adjusted, and the intelligent detection alarm is used for front-end detection and intelligent alarm. The control processor is fixed at the center of the hemisphere and is connected with an intelligent detection alarm, the spraying devices and the gas generator. The gas generator is installed at the hemispherical center. The hemispherical shell is filled with the dry powder extinguishing agent, and the dry powder extinguishing agent is isolated from a gas generating agent. After the intelligent alarm transmits a fire signal to the control processor and gives an alarm, the control processor controls the moving angle of the spraying devices, triggers an electric ignition head to ignite the gas generating agent, the ultra-fine dry powder fire extinguishing agent is sprayed out, and the fire is directionally extinguished in a totally submerged manner, so that fire extinguishing efficiency is high, and fire extinguishing efficiency is good.

The invention discloses a wastewater concentrating system and method utilizing flue gas waste heat and based on liquid column evaporation. The system comprises an evaporation tower and is characterized in that the evaporation tower is arranged on one side of the gas inlet end of a desulfurization tower and communicated with the desulfurization tower; the evaporation tower is provided with a spraying area inside, the spraying area comprises a plurality of vertical liquid column spraying orifices used for spraying wastewater, flue gas enters the evaporation tower through the flue gas inlet of the evaporation tower and transfers heat and mass with the wastewater sprayed by the liquid column spraying orifices vertical to or intersecting with the flue gas, the wastewater evaporates after absorbing heat to generate steam which enters the flue gas, the flue gas flows out through the flue gas outlet of the evaporation tower and enters the desulfurization tower, the liquid column spraying orifices are connected with a wastewater storage tank, the evaporation tower is connected with the wastewater storage tank, and the evaporated wastewater enters the wastewater storage tank so as to achieve wastewater circulating concentration. The wastewater concentrating system has the advantages that flue gas waste heat is utilized on the basis that boiler efficiency loss is avoided, the problem of blocking is avoided, wastewater treatment quantity is lowered greatly, desulfurization water and water replenishing are reduced greatly, energy and water are saved, and huge economic and environmental benefits are produced.

The invention discloses a liquid ammonia storage safety alarm device. The liquid ammonia storage safety alarm device comprises a temperature sensor fixed on a liquid ammonia tank, a concentration sensor arranged outside the liquid ammonia tank, a pressure sensor communicated with a liquid ammonia tank pipeline, and spray equipment connected with the temperature sensor, the concentration sensor and the pressure sensor by circuit control lines respectively and used for cooling after a sensing condition is met. Compared with the prior art, the liquid ammonia storage safety alarm device can achieve the functions of alarming and automatic spraying cooling and diluting under the cooperation action of the temperature sensor, the concentration sensor and the pressure sensor, and also can improve the liquid ammonia storage safety.

The invention belongs to the field of washing machines and specifically relates to a novel water flow outer barrel cover and a washing machine. The novel water flow outer barrel cover comprises an upper cover body and a lower cover body; the upper cover body and the lower cover body are provided with matching engaging parts so that the upper cover body and the lower cover body are combined to forma circular water chamber; the inner peripheral wall of the water chamber is provided with a plurality of water outlet holes, and the outer barrel cover is provided with a water inlet; water enters the annular water chamber from the water inlet and is sprayed into the inner barrel through the water outlet holes. The novel water flow outer barrel cover can spray the water in the water chamber of the outer barrel cover evenly and effectively into the inner barrel, so that the spraying effect on the clothes is better, thereby improving the washing ratio of the clothes.

The invention discloses a double-tank groove etching machine. The double-tank groove etching machine comprises a frame, wherein the frame is provided with an acid washing tank and a water washing tank, wherein a conveying device is arranged between the acid washing tank and the water washing tank; a rotating basket is movably connected to the conveying device; the conveying device can be used for feeding the rotating basket into the acid washing tank to be etched and feeding the rotating basket into the water washing tank to be cleaned; the rotating basket rotates along axes of the rotating basket; and the conveying device is connected with a power output device through a transmission device; the power output device is connected with a PLC (Programmable Logic Controller) through a circuit; and the PLC is connected with the power output device to control the work of the power output device. By adopting the double-tank groove etching machine, the problems of non-uniform etching surface, low large-area corrosion speed and incomplete cleaning can be solved.

The invention provides an agricultural chemical spraying trolley. The agricultural chemical spraying trolley comprises a base, a push rod, a controller, a fixing bolt, a stirring device, a conveying device, a spraying device, a fixing plate, brake discs, auxiliary fixing bolts, connecting plates and moving wheels, wherein the push rod is mounted at the left upper side of the base; and the controller is mounted at the upper side of the push rod. The brake discs are arranged, thereby being beneficial to conveniently fixing the equipment on an uneven bottom surface; the stirring device is arranged, thereby being beneficial to improving the fusion uniformity of different chemical reagents; a telescopic shaft is arranged, thereby being beneficial to performing chemical spray on plants of different heights through the equipment; an electromagnetic valve control button and an electromagnetic valve matches with each other, thereby being beneficial to regulating the discharge of the chemical reagents and preventing the chemical reagents from flowing out; a regulating switch, an auxiliary motor, a transmission shaft and a rotating shaft matches with each other, thereby being beneficial to realizing the all-directional rotation of an auxiliary nozzle; and a fixing ring is arranged, thereby being beneficial to conveniently fixing and clamping an auxiliary chemical delivery pipe.

The invention discloses a well control method for high-pressure reservoir nitrogen well drilling, and belongs to the technical field of well drilling engineering. The well control method is characterized by comprising steps of a, connecting large-drift-diameter multifunctional spools in well control equipment with double-ram blowout preventers and single-ram blowout preventers; b, pushing well shut-in buttons of driller emergency button boxes when high-pressure and high-yield natural gas is drilled in nitrogen drilling periods, issuing well shut-in instructions, receiving the well shut-in instructions by PLC (programmable logic control) master control boxes, shutting down annular blowout preventers, turning on blowout valves, and starting up igniters to carry out blowout ignition; c, lowering pressure values of the annular blowout preventers until the pressure values reach 6 MPa, adjusting the heights of drilling tools, shutting down the single-ram blowout preventers, turning on the annular blowout preventers and completing well shut-in actions. The well control method has the advantages that wellheads can be quickly controlled by the aid of the well control method, multi-channel blowout and sluice valves can be remotely manipulated by the aid of the well control method, accordingly, the high-pressure reservoir nitrogen well drilling well control safety requirements can be met,and well control method is quite easy to operate and high in efficiency and is convenient and speedy.

The invention discloses an agricultural spraying device and a using method thereof. The device comprises a supporting floor; a tool box body, a water pump and a water collecting tank body are fixed onthe supporting floor, the water collecting tank body and the water pump are connected through a guide pipe, one side of the water collecting tank body is connected with a pesticide inlet pipe, and atop cover is installed on the top end of the water collecting tank body; a connecting member is fixed on the top cover, a filter tank is installed on the connecting member, and the top end of the filter tank is connected with a water inlet pipe; and the water pump is connected with a spray rod, the spray rod is connected with a water conveying pipe, and the water conveying pipe is connected with spray heads. According to the device disclosed by the invention, water in the water collecting tank body is uniformly sprayed out from the four spray heads arranged on the water conveying pipe by the water pump, and the spraying area is wider, so that the applicability of the spraying device is wider; and a moderate amount of pesticide liquid is conveyed to the water collecting tank body through the pesticide inlet pipe, a stirring handle is held by hands, so that the water and the pesticide liquid are fully and uniformly shaken and mixed by a stirrer, and pesticide spraying to crops is realized.

The invention discloses a pulsating pressure driving self-balancing piston pump drain device and a technological method thereof. The device comprises a ground combination device and a down-hole string combination device, wherein the ground combination device comprises a pulse reverse phase double cylinder piston pump, a Christmas tree, a wellhead hydraulic control valve and a metering device, and the down-hole string combination device comprises a sieve tube, a packer and a balance type piston pump. The technological method is that (1) the down-hole string combination device is placed into a shaft and seals the packer; (2) the shaft is filled, and the packer is subjected to pressurizing and seal checking; (3) the wellhead Christmas tree is mounted; (4) an oil jacket annulus and an oil pipe are filled from a fluid replacement opening and a paraffin valve respectively; (5) the pulse reverse phase double cylinder piston pump is started for drainage. According to the pulsating pressure driving self-balancing piston pump drain device, the drainage power of the balance type piston pump comes from pulsating pressure transmitted by the oil jacket annulus, so that rapid and continuous liquid drainage is realized after well production test, flow inducing, production finding and oil-water well acidification fracturing, the stratum is prevented from being damaged, the effect is good, and the efficiency is high.

The invention discloses a GMP workshop virus-containing waste liquid steam inactivation energy-saving system, which comprises an automation device, a tank body flexible configuration device, a heat energy efficient recovery and utilization device and a virus-free inactivation device, wherein a full-automatic control system comprises a waste liquid collecting tank, an inactivation tank, a temperature lowering tank and a pipeline system; the heat energy efficient recovery and utilization device comprises a circulation pipeline and a temperature lowering tank. The GMP workshop virus-containing waste liquid steam inactivation energy-saving system has the advantages that the whole system automatic collection, distribution, inactivation, cooling, cleaning and discharging functions are realized;meanwhile, afterheat generated by the system operation is utilized; the operation energy consumption is greatly reduced; the operation cost is reduced.

An inert seal explosion suppression device used for hazardous chemical container, and a defense method responding to multistage shaped charge that aims at conducting sympathetic detonation on oxygen-contained hydrocarbon gas in gas-phase space of the container in a mode of detonation inside the follow-through warhead container. The device comprises an inert seal device arranged on the hazardous chemical containers. The device comprises an U-shaped sleeve (3), a Y-shaped penetrating pipe is arranged inside the U-shaped sleeve, one upper port of the U-shaped sleeve is communicated with the gas-phase of a gas inert seal medium source, the other upper port of the U-shaped sleeve (3) is communicated with the container in gas-phase state through an inert seal disc on the top of the corresponding container, a port on the gas distribution side of the Y-shaped penetrating pipe is hung in a vertical pipe on the gas distribution side of the U-shaped sleeve, a side port of the container is connected with a spraying pipe on the top of the container, a bottom port communicated with a liquid-state fire protection medium source through a bottom connection pipe of the U-shaped sleeve, that can use a liquid valve of the sleeve as a large and small breath valve, and can use a liquid valve of the penetrating pipe as a safety relief valve, that can isolate systematically the atmosphere and restrain permanently the combustion explosion condition of the gas-phase space in the container and the pipelines.

The invention discloses a farm tool facilitating tea planting, which comprises a bottom frame, a drilling assembly and a spraying assembly, the bottom of the bottom frame is provided with a walking wheel assembly, one side of the bottom frame is provided with a handrail, and the drilling assembly and the spraying assembly are both installed in the bottom frame. The humidity and softness of soil can be adjusted, tea planting is facilitated, and the tea planting efficiency can be improved.

The invention relates to the field of medical decontamination equipment, in particular to a decontamination device. The decontamination device comprises a shell body, and a cavity in the shell body forms a decontamination space; a plurality of fluctuating devices are arranged on the inner side walls of the shell body, the outer ends of the fluctuating devices extend out of the shell body and are connected with a driving device, and the junctions of the fluctuating devices and the shell body are sealed and connected by sealing members; a drain pipe connecting the inside and the outside of the shell body is arranged at the bottom of the shell body, and a first electromagnetic valve is arranged on the drain pipe; a plurality of decontamination basket assemblies for placing appliances to be decontaminated are arranged in the shell body; and a top cap is movably fastened at the top of the shell body. According to the decontamination device, the fluctuating devices drive the liquid to wash the appliances to be decontaminated continuously in the process of decontamination, the remaining biological tissue and secretions on the external surface of the appliances to be decontaminated are effectively avoided, the decontamination is more thorough, and the requirements of people can be effectively met.

The invention belongs to the field of circulating irrigation devices, in particular to an agricultural circulating irrigation device capable of collecting rainwater. In order to solve the problem thatthe existing irrigation devices for agricultural production usually use tap water for irrigation, have high water consumption, cannot allow recycling of water resources, requires external power, causes waste of energy, and cannot provide large-scale irrigation operation, the following scheme is now proposed. The agricultural circulating irrigation device comprises a cabinet which is of hollow structure; an opening is formed in the top of the cabinet, and a collection box with a hollow structure is fixedly arranged on the inner wall of the bottom of the cabinet; the top of the collection box is provided with a collecting port, and a collecting funnel is fixedly mounted in the collecting port. The agricultural circulating irrigation device is simple in the structure and convenient to operate; a solar panel is arranged and can be used for converting light energy into electric energy, the electric energy is stored in a storage battery to serve as kinetic energy to a water pump and a motor, and the recycling of water resources is achieved by collecting rainwater, so that the requirements of people are met.

The invention discloses a spraying device for a nursery garden planting field. The spraying device comprises a tank body, a water pump, an outer pipe, an inner pipe, a supporting column and a branch pipe. A tank cover is arranged on the top of the tank body. The bottom of the tank body is the same as the outer pipe and the inner pipe. An outer pipe electromagnetic valve is arranged inside the outer pipe. An inner pipe electromagnetic valve is arranged inside the inner pipe. The inner pipe is arranged inside the outer pipe. The portion over the outer pipe and the portion over the inner pipe are of a right-angled structure. An outer pipe medicine outlet is formed in the middle of each right-angled structure. An inner pipe medicine outlet is formed in the top of each right-angled structure. The branch pipe is arranged in the horizontal direction of the outer pipe. The right-angled structure is arranged at one end of the branch pipe. According to the spraying device, the inner pipe and the outer pipe are arranged and do not affect each other, underwater and overwater spraying can be effectively achieved, damage of pesticide to plants is lowered, and the survival rate is increased; meanwhile, two pesticide irrigation devices are combined into a whole, the structure is simple, the arrangement is reasonable, the manufacturing cost is low, and the spraying device has the obvious effect on large and middle planting fields.

The invention discloses a continuous beam spraying maintenance system which comprises a booster water pump, a reservoir arranged on one side of the booster water pump, a main pipe communicated with a water outlet of the booster water pump and a transverse water spraying pipe used for spraying to a continuous beam body, a water inlet of the booster water pump is communicated with the reservoir, and the main pipe is arranged on the outer side of the longitudinal section of the continuous beam body in a winding mode. The transverse water spraying pipes are communicated with the main pipe, the multiple transverse water spraying pipes are evenly distributed on the continuous beam body, a supporting block used for supporting the continuous beam body is arranged below the continuous beam body, and a water collecting device is arranged below the continuous beam body. The water collecting device comprises a water collecting tank arranged below the bottom of the side face of the continuous beam body and a water collecting tank arranged at one end of the water collecting tank, the end, away from the water collecting tank, of the water collecting tank is higher than the end, close to the water collecting tank, of the water collecting tank, the water collecting tank communicates with a water outlet pipe, and the end, away from the water collecting tank, of the water outlet pipe communicates with the reservoir. The device has the effects that the utilization rate of water resources is increased, and waste of the water resources is reduced.

The invention discloses an ecological slope construction system based on a sponge idea, which comprises a rainwater collection system in rainfall and an automatic spraying system in drought, and is characterized in that the rainwater collection system comprises a catchment channel, a filter screen, an inverted filter layer, a retaining wall, a concrete reservoir, a water level sensor, a drainage pipe, a fuzzy control system and the like; the automatic spraying system comprises an air temperature sensor, an air humidity sensor, a soil temperature sensor, a soil humidity sensor, a water pressure sensor, a rotary rain curtain nozzle, a fuzzy control system, a high-pressure water pump and the like; the invention further discloses a method for conducting rainwater collection and automatic spraying through the ecological slope construction system based on the sponge concept. Rainwater on the slope surface and in the slope can be effectively collected, so that water resources are saved, and the stability of the slope is enhanced; by monitoring the temperature, humidity and water pressure in air and soil in real time and conducting fuzzy algorithm control through a fuzzy system, automatic slope vegetation effective spraying can be achieved.

The invention discloses a rainwater collecting device for a building bridge and a construction method thereof. The device comprises a rainwater opening and a water discharging opening, the rainwater opening penetrates through a bridge floor, the water discharging opening is located in the bottom of a bridge pier, a green plant belt is arranged below the bridge floor, the water discharging openingsupplies water to the green plant belt, and a water feeding mechanism is fixedly connected to the bottom of the rainwater opening, the water feeding mechanism is movably connected with a drainage mechanism, the water discharging opening is formed in the bottom of the drainage mechanism, and the method comprises the following steps of: a, preparation before construction; b, forming of the rainwateropening; c, pipeline mounting of the water feeding mechanism; d, mounting of the drainage mechanism; e, mounting of an adjusting assembly; f, mounting of a spray head; g, mounting of an overflow pipe; and h, circulating construction. Rainwater can irrigate and spray plants in a green plant belt under a bridge, manpower and material resources are saved, and certain help is provided for growth of the plants.

The invention discloses a desulfurization and denitrification mechanism for tail emission of an intelligent boiler, and relates to the related technical field of gas treatment, the desulfurization and denitrification mechanism comprises a bottom plate and a first bearing plate for supporting two mounting plates, the interiors of the two mounting plates are movably connected with movable plates, and rectangular plates are fixedly mounted on the upper surfaces of the two movable plates. The invention further discloses a control system of the desulfurization and denitrification mechanism for tail emission of the intelligent boiler , the control system comprises a main control unit, and the main control unit is internally provided with a gas detection module, a discharging module, a desulfurization module, a denitrification module, an information processing module, a central processing unit, a power module and a signal transmitting module. A first connecting pipe and a gas conveying pipe which are matched with each other are combined, in the process, by starting the vacuum machine and the gas detector, when gas leakage happens to the first connecting pipe and the gas conveying pipe, the gas detector can conduct detection at the first time and give an alarm, and long-time leakage of toxic gas is avoided.

The invention discloses a double-outlet water pump for a washing machine. The double-outlet water pump comprises a pump body, a water inlet, a filter frame, an impeller and water outlets. The filter frame is detachably arranged in the pump body, and the water inlet is aligned to a water inlet end of the filter frame. The impeller is driven through a motor, an electrification block is arranged on the outer side of the motor and provided with two electrification terminals, one of the electrification terminals is electrified, and forward rotation or reverse rotation of the motor is realized. Thewater outlets include a spraying port for water recycling and a drain port for drainage of water in the washing machine, and the spraying port and the drain port are positioned on two sides of a wateroutlet end of the filter frame. By the spraying port and the drain port of the pump body, water can be controlled to be discharged from the spraying port or the drain port through rotating directionadjustment, and water flow can be adjusted through motor speed adjustment, so that water spraying and drainage of the washing machine can be realized by use of the motor and the water pump. The double-outlet water pump has advantages of simple and compact structure, water discharge adjustability and effectiveness in improvement of spraying and drainage performances.

The invention relates to the technical field of test equipment, in particular to a rainfall simulation device with an adjustable water outlet hole area and a raindrop erosion simulation system. The rainfall simulation device comprises a hollow round pipe, one end of the hollow round pipe is closed, the other end of the hollow round pipe is provided with an extending hole for a mandrel to extend in, a plurality of water outlet holes are distributed in the hollow round pipe at intervals, the hollow round pipe is provided with a water inlet hole, an arc-shaped plate is arranged in the hollow round pipe, inner holes corresponding to the water outlet holes in a one-to-one mode are formed in the arc-shaped plate, and a connecting plate is detachably connected to the arc-shaped plate at one end of the extending hole; and a hollow shaft is further included, one end of the hollow shaft is connected with one end of a hollow circular tube with an extending hole through a connecting piece, a mandrel is screwed in the hollow shaft, one end of the mandrel penetrates through the connecting piece and enters the extending hole to be connected with the connecting plate, the other end of the mandrel penetrates out of the hollow shaft to be connected with a rotating mechanism, and the rotating mechanism is fixed on a shaft sleeve sleeved outside the hollow shaft. According to the rainfall simulation device with the adjustable water outlet hole area, the water outlet hole area can be adjusted, and the erosion degree of different environments to samples can be simulated.

The invention discloses a hoof medicated bath device for animal husbandry veterinarians and a use method, and belongs to the technical field of livestock equipment. The hoof medicated bath device comprises a medicated bath frame, wherein a rectangular medicated bath groove is formed in the medicated bath frame, a medicine spraying mechanism, a backflow mechanism and a residue discharging mechanism are mounted in the medicated bath groove, and livestock to be subjected to medicated bath is driven to pass through the medicated bath groove; the medicine spraying mechanism sprays liquid medicines to the side surface and the bottom of the livestock hoof located in the medicated bath groove, the sprayed redundant liquid medicines and solid impurities falling from the livestock hoof flow into a residue discharging pipe, and the liquid medicine located in a residue discharging pipe is filtered and disinfected through the backflow mechanism and then is pulled into the medicine spraying mechanism again to be recycled; and solid impurities in the residue discharging pipe are discharged outwards by the residue discharging mechanism, so that the utilization rate of the liquid medicines is improved.

The invention discloses a control method for a washing machine. The washing machine includes an inner drum and a water collecting device; the inner drum is used for holding water during washing; the bottom part of the inner drum is provided with a drain hole for communicating with the water collecting device, and the drain hole is provided with a valve plug which can be opened and closed; the washing machine is provided with a spraying device; and the control method comprises the steps that the valve plug is controlled to be opened during washing of the washing machine, after the water fills the water collecting device, the spraying device is controlled to be started to convey the water to the top part of the inner drum and spray the water into the drum. The control method has the beneficial effects that the valve plug is opened to make water fill a position between the inner drum and the water collecting device in multiple processes of the washing machine to perform cycle spraying orone-time spraying to wet clothes on the top layer, so that spraying washing is realized, the washing effect of the washing machine is enhanced, the cleanliness of the clothes is promoted, and foam canbe removed; and the water filling process of the water collecting device is controlled by various ways according to corresponding parameters to realize spraying.

An onboard sprayer structure of an agricultural plant protection unmanned aerial vehicle comprises a valve body (10), a sprayer (20) and a sprayer (30), the electromagnet (20) is arranged in the valvebody (10) and comprises a static iron core (21), and a first channel (211) communicated with the inlet (11) is formed in the static iron core (21); the moving part (30) is movably arranged in the valve body (10), and a second channel (31) communicated with the first channel (211) is formed in the moving part (30); the inlet (11), the first passage (211), the second passage (31), and the outlet (12) form a passage.

The invention discloses a GMP workshop virus-containing waste liquid steam inactivation system based energy-saving process design, which is mainly used for non-toxic emission of GMP workshop virus-containing waste liquid after steam high temperature inactivation. The process design is characterized by including: full automatic control system design, tank flexible configuration design, thermal energy efficient recycling design and virus-free inactivation technological design. Specifically, the full automatic system design is used for achieving unwatched system operation function; the tank flexible configuration design is used for solving the virus-containing waste liquid collecting storage and inactivation period high efficiency scheduling problems; the thermal energy efficient recycling design is used for solving the energy-saving operation problem of the system; and the virus-free inactivation technological design is used for solving the virus-free treatment problem of virus-containing waste liquid.