201 results about "Reservoir device" patented technology

A gas turbine engine includes a fan, a combustor positioned in a core air flowpath that generates combustion gases, a steam system that extracts water from the combustion gases and generates steam, and a gearbox assembly. The steam system includes water storage devices that store the water therein. The water storage devices include a first state in which a level of the water increases or is maintained and a second state in which the level of the water decreases as the water flows through the water storage devices. The gearbox assembly includes a gearbox and a gutter for collecting a gearbox lubricant scavenge flow from the gearbox. The gutter is characterized by a lubricant extraction volume ratio between 0.01 and 0.3, inclusive of the endpoints. The lubricant extraction volume ratio defined by:VGVG⁢B·VGis a gutter volume of the gutter and VGB is a gearbox volume.

The utility model aims to provide a pet water dispenser which mainly comprises a water storage device, a heating device for heating water stored in the water storage device, a cooling device arranged above the water storage device, a water drinking tray arranged below the cooling device and the like. Wherein the stored water is heated by the heating device to form water vapor, and when the water vapor flows upwards through the cooling device, the water vapor is cooled to form condensed water, and then the condensed water falls back into the drinking water tray. Compared with the prior art, the pet water dispenser provided by the utility model has the advantage that the safety index of drinking water is improved.

To propose a ductless mobile air conditioner that can be directly moved without the need for an exhaust duct for discharging air outdoors, thereby optimizing the user's usage experience. [Solution] The ductless mobile air conditioner of the present invention includes a case, a fan, a condensing unit, a water storage device, a spray unit, and a shake-off unit. The case is provided with a mounting cavity and an air intake port and an air outlet port communicating with the mounting cavity. The air intake end of the fan is connected to the air intake port, and the air outlet end of the fan is connected to the air outlet port. The condensing unit is located between the fan and the air outlet port. The water storage device can receive water dripping from the surface of the condensing unit, and the spray unit can spray water from the water storage device onto the condensing unit. The shake-off unit is provided in the water storage device and can shake off the water from the water storage device upward onto the condensing unit.

The utility model relates to the technical field of refrigeration pads, and provides a water evaporation refrigeration pad which aims at solving the technical problem that a traditional water evaporation refrigeration pad is poor in flexible matching performance, and comprises a refrigeration pad body, a water storage device and a controller, the refrigeration pad body is a soft pad body and comprises a cavity with the upper portion and the lower portion being soft rubber waterproof layers in a press fit mode, and the water storage device is arranged in the cavity. Wherein the water absorption evaporation layer and the ventilation layer are arranged in sequence, and a surrounding water hose is arranged on the water absorption evaporation layer; at least one fan is arranged, and a fan opening of the fan is communicated with the ventilation layer; an air inlet and an air outlet are formed in the refrigeration pad body; the water hose is connected with a water pump which is connected with a water storage device, and the water storage device is a soft water storage container; the controller is connected with the water pump, the fan and the power supply. By adopting the combination of the soft pad body and the soft water storage container, the flexible matching between the water source supply body and the whole refrigeration pad is realized, the refrigeration pad is more flexible, and the whole structure is soft and comfortable.

A reservoir device comprising an active agent formulation contained within a reservoir is described. The reservoir is defined by a biodegradable, permeable polymer membrane having a thickness of at least 45 μm. The membrane allows for diffusion of an active agent of the formulation there through when positioned subcutaneously in a body of a subject.

The utility model relates to agricultural irrigation technical field especially, relates to a water -saving irrigation drip irrigation water storage device. Including water storage tank, water collecting tank, tank cover, filter plate, protective housing, threaded rod, motor etc. ; The upside of water storage tank is equipped with water collecting tank, is equipped with tank cover in water collecting tank, is equipped with filter plate in water collecting tank slidingly, is equipped with the fixed mechanism for fixing filter plate in water collecting tank, both sides of water collecting tank are equipped with protective housing, the inside rotatable of one side's protective housing is equipped with threaded rod, is equipped with guide rod in the other side protective housing, and the inside installation of threaded rod one side's protective housing has motor. The utility model carries out the filtration to the collected rainwater through filter plate, removes the impurity, ensures water quality clean, provides high quality water source for subsequent drip irrigation system, motor drives the horizontal movement of clean brush, carries out the cleaning to filter plate surface, prevents the impurity accumulation and blocks filter plate aperture, maintains the filtration efficiency of filter plate.

The invention provides a method for testing choking flow of a freeze dryer, which comprises the following steps of: (1) pumping water with the mass of M1 into a water storage device through a delivery pump, then carrying out freeze-drying treatment, and collecting test data of the freeze dryer in the freeze-drying treatment; (2) after freeze-drying treatment is finished, water in the water storage device is removed through a conveying pump, and the total mass M2 is recorded; and calculating choking flow according to the loss amount of water in the freeze-drying treatment, wherein the choking flow = (M1-M2) / freeze-drying time. The test method provided by the invention is simple in process and convenient to operate, can verify the performance of the freeze dryer, and provides a basis for smooth development of subsequent production work and normal operation of the freeze dryer.

The utility model discloses a compound system, which relates to the technical field of electric appliances and is characterized in that a first heat exchange module in a refrigerant circulation loop of heat pump equipment is in heat exchange connection with a first water storage device; the water outlet pipeline, the water inlet pipeline, a water inlet of the gas equipment, a water outlet of the gas equipment, a water outlet of the first water storage device and a water inlet of the first water storage device are all connected with the flow direction adjusting assembly. The flow direction adjusting assembly comprises a first operation state, a second operation state and a third operation state. In the first operation state, water in the water inlet pipeline flows through the gas equipment independently and then flows into the water outlet pipeline. In the second operation state, water in the water inlet pipeline sequentially flows through the first water storage device and the gas equipment and then flows into the water outlet pipeline; and in the third operation state, water in the water inlet pipeline independently flows through the first water storage device and then flows into the water outlet pipeline. The technical scheme provided by the utility model aims to meet diversified water use requirements and simultaneously consider energy-saving and environment-friendly effects.

The invention discloses purified drinking equipment which comprises a shell, a water outlet device, a filtering device, a water storage device and an ice making device, and the shell is provided with an ice outlet; the water outlet device is mounted on the shell; the filtering device is mounted in the shell and is configured to filter raw water to generate pure water; the water storage device is installed in the shell and provided with a cold water cavity and a warm water cavity, the cold water cavity and the warm water cavity are configured to receive pure water, the temperature of water in the cold water cavity is lower than that of water in the warm water cavity, and the warm water cavity and the cold water cavity are both communicated with the water outlet device; and the ice making device is installed in the water storage device, the ice making device communicates with the cold water cavity and the ice outlet, and the ice making device is configured to receive water from the cold water cavity, conduct heat exchange and make ice and output the ice to the ice outlet. According to the technical scheme, raw water filtration, multi-temperature water supply and automatic ice making can be achieved, operation is simplified through integrated design, diversified drinking water requirements are met, and application scenes are expanded.

The utility model provides an ice maker. The ice maker comprises a machine body and a water storage device, the water storage device is detachably connected with the machine body and provided with a water storage cavity and a water outlet pipe, and the water outlet pipe communicates with the water storage cavity; the machine body is provided with a water inlet pipe, and the water outlet end of the water inlet pipe is communicated with a water inlet of a water device of the ice maker; wherein the water inlet end of the water inlet pipe is detachably connected with the water outlet pipe, and the water inlet end of the water inlet pipe communicates with the water outlet pipe; or the water inlet end of the water inlet pipe is used for being detachably connected with an external water supply device, and the water inlet end of the water inlet pipe communicates with the water supply device. The water storage device and the external water supply device can be used for supplying water to the water utilization device, the water supply modes are more diversified, and different use requirements of users can be met.

The present application relates to a kind of temperature-controllable water storage device and vehicle, it includes: first water tank, the side of the first water tank has EGP containing groove, one end of the EGP containing groove is penetrated to the outside of the first water tank, and the EGP containing groove is used to accommodate at least part EGP shell;First regulating grid, the first regulating grid is installed in the opening of the EGP containing groove one end;Drive device, the drive device is installed in the first water tank, and the drive device is connected with the first regulating grid;Temperature sensor, the temperature sensor is installed in first water tank;Controller, the controller is signal connected with the drive device and the temperature sensor.Control controller controls drive device and drives first regulating grid to move, adjusts the opening degree of the opening of the EGP containing groove one end, so that the hot air between EGP containing groove and EGP shell can flow out from the one end of the EGP containing groove, contact external cold air, realize the water temperature control in the first water tank.

The utility model provides a water supplementing device system for hydraulic compressed air energy storage. The water supplementing device system comprises an air storage device, a water storage device, a hydraulic power generation device, a water supplementing device, an air conveying pipeline and a water conveying pipeline. An inlet and an outlet of the gas pipeline are connected with the gas storage device and the water storage device respectively, the outlet of the gas pipeline is further provided with a jet assembly, an inlet and an outlet of the water pipeline are connected with the water storage device and the water storage device respectively, and the hydroelectric generation device is connected with the water storage device and the water storage device. The water supplementing device comprises a high-level water tank and a water supplementing pipeline, the bottom elevation of the high-level water tank is larger than the outlet elevation of the gas conveying pipeline, the outlet end of the high-level water tank is connected with the jet flow assembly, and the inlet end of the high-level water tank is connected with the water storage device through the water supplementing pipeline. The jet flow assembly is arranged on the air conveying pipeline to dynamically supplement water into the water storage device, heat exchange between water and compressed air is facilitated, and the hydraulic acting time is effectively prolonged.

The utility model discloses a rainwater collecting and utilizing device for agricultural irrigation, and relates to the technical field of agricultural irrigation. The device comprises a water collecting assembly, a water storage tank and a spraying assembly, the water collecting assembly comprises a planting area water collecting piece and an open area water collecting piece, a water filtering plate is fixedly installed at the upper end of an opening of a water collecting groove, and the water collecting groove is fixedly installed at the lower end of a through hole formed in an anti-seepage drainage plate; and the water storage tank is buried under the water collecting piece in the open area. The anti-seepage drainage plate of the water collection assembly is laid in the aisle in the middle of the planting area and used for draining rainwater falling on the anti-seepage drainage plate into the water collection groove below the anti-seepage drainage plate, the rainwater is guided into the water storage tank through the water collection groove, the water collection tank is buried in the ground surface of the open area, and the rainwater falling on the anti-seepage drainage plate is collected by the water collection tank and guided into the water storage tank. Rainwater is fully collected, and it is avoided that due to the fact that the water storage device is buried, cultivated land is damaged, and planting and growth of crops are affected.

The utility model relates to a peak shifting regulation and storage pipe network pressure-superposed water supply system which comprises a box type pipe network pressure-superposed (non-negative pressure) water supply system and a pipe network pressure-superposed (non-negative pressure) water supply system, and the box type pipe network pressure-superposed (non-negative pressure) water supply system comprises a water replenishing device, a water storage device, a disinfection device and a supercharging device. The pipe network pressure-superposed (non-negative pressure) water supply system comprises a municipal water replenishing device, a booster pump set and a pressure relief device, the water inlet end of a water storage device is connected with the municipal water replenishing device through the water replenishing device, the water outlet end of the water storage device is connected with the water inlet end of a disinfection device, and the water outlet end of the disinfection device is connected with the booster pump set through a pressurizing device. Fluid is output to the water outlet main pipe after being pressurized through the booster pump set, the booster pump set is connected with the pressure relief device, and pressure relief is conducted through the pressure relief device; supplementary storage of water inflow of the water storage device in low ebb can be achieved, water replenishment of a municipal pipe network is stopped in peak, and therefore the water replenishment pressure of the municipal pipe network is relieved, and domestic water of residents is guaranteed.

The utility model discloses a cooling assistor for a water ring vacuum pump, and particularly relates to the technical field of cooling devices, which comprises a support plate, a support rod I is fixedly connected to the inner side of the upper surface of the support plate, a water storage device is fixedly connected to the upper end of the support rod I, and a vacuum pump is fixedly connected in the water storage device. A second supporting rod is fixedly connected to the outer side of the upper surface of the supporting plate, a cooling assembly is fixedly connected to the upper end of the second supporting rod, a third supporting rod is fixedly connected to the middle of the right side of the upper surface of the supporting plate, and a first dissolvating motor is fixedly connected to the upper end of the third supporting rod. An output shaft of the first motor penetrates into the water storage device to be fixedly connected with the vacuum pump, a fixing frame is fixedly connected to the middle of the upper surface of the water storage device, a second motor is fixedly connected to the upper surface of the fixing frame, and a cooling fan is fixedly connected to the output end of the second motor. And water stains generated on the surface of the vacuum pump and the inner surface of the water storage tank can be conveniently cleaned by arranging the water storage tank easy to disassemble.

The invention belongs to the technical field of electric power engineering. The efficient heat energy storage power generation system solves the problem that the efficiency is low due to cold source loss of a conventional steam turbine power generation system, a low-temperature water storage device supplies water to a condenser, and steam exhaust heat of a steam turbine is recycled and then stored in a high-temperature water storage device after being heated; in the off-peak electricity period, the two stages of heat pumps take heat from the high-temperature water storage device (or the auxiliary heat source), heat the fused salt and store the fused salt in the corresponding hot salt tanks; in the peak period, the hot molten salt heats feed water in the evaporator to generate steam, the steam is treated by the superheater and the reheater to drive the steam turbine to do work and generate electricity, meanwhile, heat of the condenser is recycled to the high-temperature water storage device, the system can also be matched with a molten salt electric heater to utilize valley electricity, cold source loss can be eliminated, and the peak regulation requirement of a power grid is met. Cold source loss of a conventional steam turbine power generation system is eliminated, graded storage and utilization of heat are achieved, and different temperature requirements of water vaporization and steam overheating are met.

The present invention relates to the field of water purification technology and discloses a water purification system, comprising: a water production device, including a water production pipeline and a pre-filter and a post-filter connected in series to the water production pipeline in sequence; a water storage device, the water storage device including a heating device; a backwash pipeline; when the water purification system performs a first backwash mode, hot water flows through the connecting pipeline, the pre-filter outlet, the pre-filter, the pre-filter inlet and the first drainage pipeline in sequence; when the water purification system performs a second backwash mode, water in the water storage device flows to the post-filter outlet, the post-filter, the post-filter inlet and the first drainage pipeline in sequence through the reversing structure. The present invention can backwash the pre-filter and the post-filter, extend the service life of the pre-filter and the post-filter, extend the replacement cycle, and do not need frequent replacement. Compared with related technologies, the cost is lower, and water safety can be ensured. The regeneration process of the carbon water purification unit in the pre-filter and the post-filter is safe and simple.

The invention relates to the technical field of deep well excavation, in particular to deep well pipeline accumulated water cleaning equipment which comprises a water storage device, a guide part, a detection part and an opening and closing part, the opening and closing part is arranged at the bottom in the water storage device, and the detection part is arranged in the water storage device and connected with the opening and closing part. The guiding piece is arranged on the outer wall of the water storage device, and the deep well pipeline accumulated water cleaning equipment can adapt to deep well pipelines with different depths to be circularly used through the cooperation of all the components. The single deep well pipeline accumulated water cleaning equipment can pump water for different deep well pipelines, and the cost of deep well excavation water pumping operation is reduced.

The utility model relates to the technical field of electrode testing equipment, in particular to alkaline water electrolysis hydrogen production diaphragm performance testing equipment which comprises a water storage tank and a water replenishing mechanism, the water supplementing mechanism comprises a tank cover, a water inlet valve, a connecting pipe opening and a detection assembly, the tank cover is hinged to the water storage tank, the water inlet valve is fixedly connected with the tank cover, the connecting pipe opening is fixedly connected with the water inlet valve, and the detection assembly comprises a mounting part, a mounting frame, a first detection sensor, a floating ball, a buoyancy plate, a control part and a discharging part; the mounting frame is fixedly connected with the water storage tank, the first detection sensor is fixedly connected with the mounting frame, the floating ball is slidably connected with the mounting frame, the buoyancy plate is fixedly connected with the floating ball, the control part is rotatably connected with the mounting frame, and the discharging part is fixedly connected with the water storage tank, so that water in the water storage device can be automatically supplemented according to the residual amount of the water; interference of operators is reduced, and stability and reliability of equipment operation are improved.

The utility model relates to the technical field of water purification, particularly provides a filtering element for a water storage device and the water storage device, and aims to solve the problem that the use experience of a user is poor due to the fact that an existing filter screen is easily blocked by impurities. The water storage device is provided with the water storage cavity and the water outlet pipe, the water outlet pipe communicates with the water storage cavity so that water in the water storage cavity can flow out in the first direction through the water outlet pipe, the filtering element comprises a filtering component and an installation component which are connected, and the installation component is used for installing the filtering component on the water outlet pipe. The filtering component can filter water flowing out of the water storage cavity, the filtering face of the filtering component protrudes in the second direction, and the second direction is opposite to the first direction. According to the water purifier, the filtering surface of the filtering component is arranged to protrude towards the second direction, so that pollutants in water can be prevented from being accumulated on the surface of the filtering component, the filtering component is prevented from being blocked by the pollutants, the service life of the filtering component is prolonged, and the use experience of a user is greatly improved.

The invention relates to the technical field of sewers, in particular to a sinking type rainwater collection green belt which comprises a well lid, an irrigation pipe for irrigating the green belt through rainwater is arranged below the well lid, and a sewer pipe for conveying and discharging rainwater and waste water is further arranged below the well lid. A water storage device for intermittently discharging rainwater is arranged at the bottom of the well lid, a flow dividing device for dividing the rainwater is arranged below the water storage device, the water storage device comprises an outer box and a mounting plate, a fixing plate is fixed to the top of the outer wall of the outer box, and a bolt is arranged between the mounting plate and the fixing plate; through cooperation of the collecting mechanism, the separating mechanism, the flow guiding mechanism, the flow dividing plate, the spring, the outer box and other structures, the green belt can be directly irrigated, rainwater does not need to be drained into a reservoir and then irrigated through a water supplementing device, workers do not need to monitor the green belt for a long time, resources are saved, and operation is easy, convenient and rapid.

The invention relates to the technical field of air conditioning, in particular to a drainage assembly, an air conditioner and a control method of the air conditioner. The drainage assembly comprises a water storage device, a drainage pipe and a water pump, the drainage pipe comprises a first pipe section and a second pipe section which are sequentially communicated, the highest point of the second pipe section is located at or above an outlet of the second pipe section, the highest point of the second pipe section is located at a first height, and the first height is higher than the lowest position of the water storage device; the water pump communicates with the first pipe section and the water storage device; when the water level in the water storage device is larger than or equal to the second height, the first starting condition of the water pump is met, and the water pump is started; when the water level in the water storage device is smaller than the second height and larger than the first height, a first closing condition of the water pump is met, and the water pump is closed. The starting frequency and the running time of the water pump are reduced, so that the noise of the water pump is reduced, and the service life of the water pump is prolonged.

The utility model relates to a cleaning system for a planar or micro-curved heliostat, which belongs to the technical field of heliostats and comprises a central control unit, an unmanned aerial vehicle, a cleaning robot and a water storage structure. The central control unit is connected with the unmanned aerial vehicle, the cleaning robot and the water storage structure. The unmanned aerial vehicle is used for transporting the cleaning robot to a designated position. The cleaning robot is used for cleaning a lens of the heliostat at a specified position; the water storage structure comprises baffles, water conveying pipes, a water pump and a water storage device. Baffles are mounted around the lenses, and the multiple baffles are connected to form a closed structure; the water storage device is arranged on the ground near the heliostat; the top end of the water conveying pipe is arranged above the lens and is positioned above or laterally above the lens when the heliostat is in a vertical state; the bottom end of the water pipe is connected with the water storage device. The cleaning robot has no requirement for field pavement flatness, can achieve simultaneous continuous operation of a plurality of cleaning robots, and is efficient and stable in cleaning and high in automation degree.

The invention discloses a seawater filtering and storing system suitable for an ocean fracturing ship. Comprising a first seawater tank and a second seawater tank, a first seawater coarse filter and a second seawater filter; a first water delivery header pipe; the front end of the first water conveying branch pipe and the front end of the second water conveying branch pipe are connected with the first water conveying header pipe. The first centrifugal pump suction filter and the second centrifugal pump suction filter are respectively arranged in the middle of the first water delivery branch pipe and the second water delivery branch pipe; the first delivery pump and the second delivery pump are respectively arranged at the middle rear parts of the first water delivery branch pipe and the second water delivery branch pipe; the middle part of the second water delivery header pipe is respectively connected with the tail ends of the first water delivery branch pipe and the second water delivery branch pipe; a fourth water delivery branch pipe, a fifth water delivery branch pipe and a sixth water delivery branch pipe; a first seawater filter, a second seawater filter and a third seawater filter; a third water delivery header pipe; and a water storage device. The preparation method has the beneficial effect that the fracturing base fluid can be prepared and stored anytime and anywhere.

The application relates to an air conditioner and a control method thereof, and belongs to the technical field of air conditioners. The air conditioner comprises a condenser, an electronic expansion valve, an evaporator, a water conveying device and a water storage device. The electronic expansion valve has a plurality of opening degrees. The water conveying device is configured to convey condensed water generated by the evaporator to the water storage device. A refrigerant pipeline of the condenser comprises a water-wetted pipe section in the water storage device. The control method comprises the following steps: obtaining a working state of the water conveying device, obtaining a first temperature by obtaining a temperature of the water-wetted pipe section, and / or obtaining a second temperature by obtaining a temperature of water in the water storage device; and controlling the opening degree of the electronic expansion valve according to the working state of the water conveying device and the first temperature and / or the second temperature. The control method of the air conditioner provided by the application can change the air conditioner system pressure without increasing the total current of the system, so that the frequency reduction operation of the air conditioner is reduced or avoided, and the temperature adjustment demand of a user is met.

The application discloses a hot water supply device and a water purifying and heating integrated device, and relates to the technical field of water treatment. The hot water supply device comprises a water storage device with a water outlet, a heating element capable of heating water in the water storage device, a water pump, an inlet end of the water pump being communicated with the water outlet, and an exhaust structure on a channel upstream of an impeller of the water pump and downstream of the water outlet, the exhaust structure being capable of communicating the inside of the channel with the atmosphere. The application can solve the problem that when the water storage device discharges hot water through the water pump, the water pump is blocked by air, and the water flow is reduced.

To provide a distributed type dwell and storage cooperative water supply system which belongs to the technical field of secondary water use in buildings to solve the problem of conventional water supply systems which require repeated starting and stopping of a water pump, resulting in low water supply efficiency.SOLUTION: A distributed type dwell and storage cooperative water supply system comprises a water storage device, a pressurizing device, a plurality of water storage and dwell devices, and a transport pipe network. The water storage device is connected to the pressurizing device via the transport pipe network, and the pressurizing device is connected to each floor water supply end via the transport pipe network. The water storage and dwell devices are respectively installed on at least some of the different floors. The water storage and dwell device includes a dwell water tank, a pressure sensor, and a solenoid valve. The solenoid valve controls the opening and closing of the floor water supply end of a floor where it is located and a pipeline between the dwell water tank and the pressurizing device. The pressure sensor is used to obtain the water pressure in the pipeline from the dwell water tank to the floor water supply end of the floor where it is located, and further includes an automatic controller. The solenoid valve, the pressure sensor, and the pressurizing device are all electrically connected to the automatic controller.SELECTED DRAWING: Figure 2

The invention discloses a water storage device and an electric water heater and a manufacturing method thereof. The water storage device for the water heater comprises a first inner container and a second inner container. The first inner container and the second inner container are communicated through a connecting channel; the first inner container is provided with a first connecting part, the first connecting part surrounds the connecting channel, or the first connecting part is provided with a first opening, and the first opening participates in forming the connecting channel; the second inner container is provided with a second connecting part, the second connecting part surrounds the connecting channel, or the second connecting part is provided with a second opening, and the second opening participates in forming the connecting channel; the first connecting part is provided with an outer connecting surface attached to the second connecting part and an inner connecting surface back to the outer connecting surface. A laser welding seam for fixedly welding the first connecting part and the second connecting part is arranged on the inner connecting surface; and the like. The inner surface of the first inner container serves as the welding surface, so that the inner walls of the inner containers can be enameled, the corrosion resistance is good, and the overall reliability is higher.

An apparatus for guiding the migration of cancer and other cells includes a reservoir device, a cover, a tube, a nanofiber structure, and a lock device. The reservoir device defines a reservoir having an open top. The cover is configured for removable installation over the open top of the reservoir. The tube has a proximal end portion reaching into the reservoir. The nanofiber structure communicates an inlet port in the tube with the reservoir. The lock device interlocks the tube with the reservoir device, and also interlocks the nanofiber structure with the reservoir device.

This utility model discloses a negative ion generating device and building facility, relating to the technical field of negative ion generating devices. The negative ion generating device includes: a compressor for compressing air and outputting high-pressure air; a control box equipped with a water storage device and a water supply pipeline and an air supply pipeline connected to the water storage device; at least two negative ion generators; the compressor is connected to the negative ion generators through the air supply pipeline and inputs pure high-pressure air into them; the water supply pipeline is connected to the negative ion generators and is equipped with a water pump or purified tap water pressure, used to input pure water into the negative ion generators; the pure water input into the negative ion generators is cut and broken by the high-pressure air to form negative ions, which are then discharged to the outside by the generator. This utility model can improve the air quality of large indoor spaces by combining various building facilities.