182results about How to "Efficient absorption" patented technology

The invention provides a power system of a compound energy electro-vehicle, comprising a compound power supply controlling machine box, a main power supply connected with the power supply controlling machine box, a solar energy photovoltaic cell and a super capacitor module set, wherein, the output end of the compound power supply controlling machine box is connected with a motor driving controlling module and an assistant device, and the other end of the motor driving controlling module is connected with a motor; a hardware main circuit and a control circuit which are mutually connected are arranged in the compound power supply controlling machine box; the hardware main circuit is connected with the solar energy photovoltaic cell via an unidirectional DC / DC converter and is connected with the super capacitor module set via a bidirectional DC / DC converter; the input end of a microprocessor in the control circuit is connected with a temperature detecting module, a current detecting module and a pressure detecting module via a signal conditioning circuit, and the output end is connected with the motor driving circuit and an assistant device potentiometer via an optocoupler isolation circuit. The invention can better improve the acceleration performance and climbing performance of a vehicle, reduce heavy current discharging time of the main power supply and avoid the main power supply from damage and reduction of volume.

The invention relates to a glass sucking disc sliding device. The glass sucking disc sliding device comprises a rack, a glass overturning device and a glass bearing device arranged on the rack. Overturning bearing seats and drive cylinders are mounted on the rack. The glass overturning device is mounted on the rack through the overturning bearing seats and the drive cylinders. The glass overturning device is driven by the drive cylinders to be turned over. The glass overturning device comprises bearing rods and sucking discs arranged on the bearing rods. A rocker is arranged at the lower end of each bearing rod. The bearing rods are rotationally connected with the corresponding rockers through corresponding parallel arms. Compared with the prior art, the sucking discs on adjacent sucking disc supports are arranged in parallel or in stagger, stable sucking of the sucking discs on the glass is facilitated, and the glass is evenly stressed; and mounting plates and screws are arranged on the bearing rods, the height and the front-rear position of the sucking discs can be adjusted, it can be guaranteed that the glass can be sucked effectively through the glass sucking and overturning device, the whole process is controlled automatically through an operating system, use is quite convenient, and labor is saved.

The invention discloses a magnetic separation fluid iron removal method and device. The device comprises magnetic field, a fluid passage, a plurality of soft magnetism medium layers which are composed of a plurality of soft magnetism media and arranged in the fluid passage, and a soft magnetism medium cleaning mechanism, and is characterized in that symmetrical parts on the two sides of the section of each soft magnetism medium are convex parts; the space between the outermost ends of the two convex parts is greater than that between the two ends of other positions of the section of the soft magnetism medium; two adjacent soft magnetism media of each layer are arranged in parallel; the soft magnetism medium is rotationally arranged in the fluid passage. Compared with the prior art, the device has the advantage that the device can not only effectively absorb weak magnetic ferromagnetic substance in the fluid, but also effectively clean the soft magnetism medium at the same time.

The invention relates to a long-acting organic compound fertilizer and a manufacturing method thereof, which belongs to the manure field. By taking sludge in a municipal sewage treatment plant as main raw material, adding zeolite, urea, ammonium diacid phosphate, potassium chloride and sodium silicate, then being stirred and mixed with the urea, the ammonium diacid phosphate and the potassium chloride after sludge compression, zeolite drying, stirring and mixing, natural air drying or kiln drying and grinding, and spraying the sodium silicate so as to granulate, dry, disinfect and sterilize the mixture, a product is then produced. The long-acting organic compound fertilizer and the manufacturing method solve the problem of land occupation of the sludge in the sewage treatment plant and secondary pollution, and realize the harmless disposal and resource utilization of the sludge. The fertilizer ensures that crops has good growth power, high plants, more grains, stronger lodging resistance and obvious stimulation effect and ensures that the quality of agricultural products is improved. Furthermore, the fertilizer can increase the ability of reserving nutrients in soil, can modify acid or saline alkali sandy soil, can improve soil aggregate structure, can keep fertilizer efficiency and resist crop diseases.

The invention provides a food material turning and washing machine which solves the problems that in the prior art, because an existing food material turning and washing machine is not reasonable in design, food material washing is not complete and the turning and washing machine is difficult to wash. The food material turning and washing machine comprises a bottom frame, and a machine body and a draught fan which are fixed to the bottom frame. An electronic control box internally provided with control elements is fixedly connected with the top end of the draught fan. A precipitate removal device is arranged at the bottom of the machine body. The draught fan is connected with the precipitate removal device through a gas conveying pipeline. A hair removal device is hung on and fixed to the middle of the machine body. A conveying device is arranged on the front portion of the machine body. A floating object removal device is arranged between the conveying device and the hair removal device. The control elements are connected with the draught fan, a circulating pump, the hair removal device, the floating object removal device and the conveying device through wires respectively, the food material turning and washing machine is unique in design, washed food is high in cleanliness, and the device is high in work efficiency and practicability.

The invention discloses a medicine dispensing method and a medicine dispensing device for an ampoule bottle. The medicine dispensing method for the ampoule bottle comprises the following steps of: preparing, thrusting pins into the ampoule bottle and a standby bottle, sucking liquor in the ampoule bottle into the standby bottle, injecting pins after suction, overturning for 180 degrees so as to enable the standby bottle to stand upside down, inserting a pinhead I upward into the standby bottle, inserting a pinhead II downward into a transfusion bag, injecting liquor in the standby bottle into the transfusion bag and drawing pins. The medicine dispensing device comprises a catheter, a pinhead I and a pinhead II, wherein the pinhead I comprises a transfusion pinhole and a ventilation pinhole; the ventilation pinhole is communicated with a ventilation pipe and an air pump; and the pinhead I, the pinhead II and the ventilation pipe are respectively provided with a chuck I, a chuck II and a chuck III for clamping conveniently. By the medicine dispensing method, liquor in the ampoule bottle can be sucked up effectively, the ampoule bottle does not need to be sealed, and the operation is simple and easy. The medicine dispensing device is simple in structure and convenient to connect, and liquor can be dispensed automatically by matching an automatic mechanical control device, so that the medicine dispensing efficiency is improved.

The invention relates to the technical field of crop planting, in particular to a tomato seedling method in a sunlight greenhouse. The method comprises the following steps of seed treatment and seedling management. The method is characterized in that firstly, tomato seeds are respectively soaked in clean water, hot water and a trisodium phosphate solution in sequence, and then the seeds are soaked in clean water and drained; then the processed seeds are soaked in jerusalem artichoke juice and placed on wet gauze and covered by a polyethylene film; and after seed germination, the seeds are inserted into a nutrient substrate of a seedling disc for seedling. Through seedling management, the control over the temperature and humidity of each stage of seedling is strengthened, so as to optimize the seedling effect. The tomato seedling method has the beneficial effect that the emergence rate of tomato seedling in the sunlight greenhouse and the survival rate of transplantation are increased, and the tomato seedling method plays a significant role for farmers in enlarging tomato planting areas, promoting economic growth, effectively absorbing the surplus rural labor force and promoting new rural construction.

The invention discloses a magnetic ring grinding device. The device comprises a base, one side of the top of the base is fixedly connected with a first motor box through a T-shaped supporting frame, the bottom of the inner wall of the first motor box is fixedly connected with a first motor, and the output end of the first motor is sleeved with a first fixing part; the top and the bottom of the first fixing part are both provided with a first groove; a threaded groove is formed in the side, close to the center of the first fixing part, of the inner wall of each first groove; a second fixing part is fixedly connected to the side, away from the T-shaped supporting frame, of the top of the base. The invention relates to the technical field of magnetic ring equipment. The magnetic ring grindingdevice can be used for grinding magnetic rings more effectively, the magnetic rings can be effectively fixed, a magnetic ring fixing device can be adjusted according to the height of the magnetic rings to be suitable for fixing the magnetic rings in different specifications, dust generated in the magnetic ring grinding process can be effectively absorbed, and a good grinding working environment can be guaranteed.

The invention belongs to the technical field of solid material grading or sorting through a dry method, and particularly discloses an impurity removing device for rice processing. The impurity removing device for rice processing comprises a screen, an electromagnetic heating roller and a motor; the electromagnetic heating roller is horizontally installed above the screen; the electromagnetic heating roller is provided with rolling blades made form electromagnets; the screen is obliquely installed and comprises a small sieve mesh screen body and a large sieve mesh screen body in the downward inclining direction; a material collecting box is installed below the small sieve mesh screen body, an inclined sliding plate is installed below the large sieve mesh screen body, a grain storing cabin is connected with the lower end of the inclined sliding plate, and the large sieve mesh screen body strides above the grain storing cabin; and an air suction port is formed in the electromagnetic heating roller and located above the screen. According to the impurity removing device for rice processing, functions are diversified, all impurities in raw rice can be removed simultaneously without using multiple facilities at the same time, and the impurity removing process is simple and quick; and compared with traditional impurity removing equipment, operation is easy, and the occupied space of a plant is small.

The invention belongs to the technical field of online atmospheric-pollutant monitoring, and discloses an online atmospheric-pollutant monitoring system based on a wireless cloud sensing network. Thesystem is provided with a user terminal, a data aggregation terminal, a wireless cloud sensing network, a system analysis module, a temperature monitoring module, a pollutant monitoring module, another temperature monitoring module and a time control module. The temperature monitoring module, the pollutant monitoring module and the another temperature monitoring module are connected with the timecontrol module and the system analysis module through wires. The system analysis module transmits data to the wireless cloud sensing network through a GTiBee protocol. The data aggregation terminal receives and aggregates the data of the wireless cloud sensing network. The user terminal knows an atmospheric pollution situation through accessing the data aggregation terminal, and controls monitoring equipment. According to the system, atmospheric pollutants and atmospheric temperature and humidity can be automatically monitored online, the data are transmitted to the data aggregation terminal through the wireless cloud sensing network, and finally, observation is carried out through the user terminal, and control is carried out.

The invention belongs to the technical field of precipitation estimation, and discloses a cloud block characteristic change-based precipitation estimation method of a geostationary meteorological satellite. The method includes: acquiring a precipitation simulation parameter characteristic set of the satellite to depict an occurrence and development process of cloud precipitation, and selecting and using an extremum normalization method to normalize different-dimensional cloud image characteristic parameters; and constructing a three-layer forward-type backpropagation neural-network-based precipitation estimation model, which is used for precipitation estimation of a region, of the satellite, and adopting a multi-index system to analyze the precipitation simulation precision of the model. According to the method, the deficiency of conventional meteorological observation can be largely compensated by precipitation distribution derived by utilizing remote sensing data of the meteorological satellite, and richer precipitation information can be provided; and short-term near forecasting is facilitated, monitoring flood disasters is facilitated, early warning for geological disasters is facilitated, and the method has important significance for accuracy rate increasing of weather forecasting and disaster prevention and mitigation.

The invention discloses a vacuum sweeper. The vacuum sweeper comprises a vehicle body, a dust collecting system, a driving system, a steering system and an electrical box provided with a control circuit. The driving system drives the vehicle body to move, and the steering system controls the moving direction of the vehicle body. A foot plate for supporting an operator is arranged on the rear portion of the vehicle body. The dust collecting system comprises a suction cup, a suction cup lifting and swinging mechanism, a dust suction box, a filter and a suction fan. The suction cup is mounted onthe suction cup lifting and swinging mechanism, and the suction cup lifting and swinging mechanism is installed on the front portion of the vehicle body. The suction cup lifting and swinging mechanismdrives the suction cup to perform lifting movement, and the dust suction box is installed in the vehicle body. The suction cup is connected to the dust suction box through a dust suction pipe, and the filter is installed inside the dust suction box. The suction fan is installed on the vehicle body, and the suction fan is electrically connected with the control circuit. The filter is connected with an inlet of the suction fan, and a dust collecting box which can be pulled is arranged below a dust outlet of the dust suction box on the vehicle body. The vacuum sweeper has the characteristics ofgood dust suction effect, flexible and convenient use, small size and attractive appearance.

The invention discloses a cleaning roller brush of a belt conveyor. A brush block is arranged on the roller brush, a guide wall for guiding the brush block to move in a reciprocating mode is arrangedon one side of the roller brush, the brush block is guided by the guide wall to clean a belt and can also achieve rotary and transverse cleaning at the same time, and a dust sucking system connected with the roller brush sucks cleaning dust away.

The invention discloses a double-layer stacking device for a packaging bag arranging production line of a multi-column packaging machine. The device comprises a supporting platform, and a single-layerpart conveying mechanism, a paperboard placing mechanism, a bag pushing mechanism and a lifting mechanism are fixed to the supporting platform; the single-layer part conveying mechanism comprises a plurality of single-layer packaging bag arranging boxes arranged on a single-layer packaging bag conveying belt; the paperboard placing mechanism is arranged on one side of the single-layer packaging bag conveying belt, and the top of the paperboard placing mechanism is provided with a separation plate stacking structure and a separation plate material taking opening; a partition plate suction vertical air cylinder and a partition plate suction cup are arranged below the partition plate material taking opening, and a partition plate horizontal pushing air cylinder and a partition plate feedingport in the front end of a piston rod are arranged on the side face below the partition plate material taking opening; the bag pushing mechanism is arranged on the same side of the paperboard placingmechanism, and the lifting mechanism with a bag inlet, a pushing opening and a bag outlet is arranged opposite to the bag pushing mechanism. By means of the device, the packaging bag arranging efficiency can be effectively improved, secondary pollution is avoided, it is ensured that products are stacked in order when entering downstream equipment, and double-layer stacking is achieved.

The invention discloses a multifunctional dust remover, and belongs to the technical field of dust removal. The multifunctional dust remover comprises a main machine, and a distribution channel is arranged in the main machine. A water storage bucket is arranged above the left side of the main machine, and support rods are arranged on the left and right sides of the main machine. Universal wheels are arranged at the lower ends of the support rods, and a baseplate is connected to the bottom of the main machine. A brush is arranged under the baseplate, exhaust openings are formed in both sides ofthe brush, and water injection nozzles are formed in both sides of the exhaust openings. The dust removal effect is good, dust with high adhesion on the ground can be absorbed, and the functions of water spray and scraping washing are further achieved. In the process of dust collection, negative oxygen ions can be released to improve the surrounding air quality.

A cooling system (10) has a cooling tank 12, a second cooling liquid (13) that has a boiling point T2 being placed inside an open space of the cooling tank (12). An electronic device (100) in which aprocessor (110) is mounted as a heat-emitting body on a board (120) is stored inside the open space of the cooling tank (12) and is immersed in the second cooling liquid (13) (boiling point T2). An ebullient cooling device (200) is thermally connected to the processor (110), a first cooling liquid (11) that has a boiling point T1 (where T1=T2 or T1<T2) being sealed in the ebullient cooling device(200). A first heat exchanger (22) is provided with: high-temperature-side flow channels for letting pass the second cooling liquid, the high-temperature-side flow channels comprising an aggregate ofnarrow gaps or minute flow channels; and low-temperature-side flow channels for letting pass a third cooling medium having a boiling point T3 (where T3=T2 or T3<T2), the low-temperature-side flow channels comprising an aggregate of narrow gaps or minute flow channels. The high-temperature-side flow channels and the low-temperature-side flow channels are provided alternately and are separated by walls. A pump (40) pressure-feeds the second cooling liquid (13), which is heated inside the cooling tank (12), toward the inlet to the high-temperature-side flow channels of the first heat exchanger (22).

The invention discloses a method for quickly growing a bryophyte crust on the cross section of an expressway slope. The method comprises the following steps: performing natural air drying on crust bryophytes together with very thin crust soil, and then smashing; uniformly spraying with water to wet fiber grid cells on an expressway slope, uniformly spreading the smashed soil-mixed bryophyte fragments on the cross section of a fiber grid, compacting the bryophytes with a flat tool, and covering with a plastic film; and pricking a certain number of pinholes in the film, and performing shading treatment on the film with a shading net to ensure that scattered light is received. According to the invention, the crust bryophytes are taken as basic materials, and the quick bryophyte propagation method is used for the cross section of an expressway, the cross section of mining area exploitation and other places where ecological environment of soil is destroyed, so that a bryophyte crust is formed on the surface of the soil, and the bryophyte crust can achieve the effects of rainfall interception and soil organic nutrient accumulation improvement, thereby laying a foundation for survival of advanced vascular plants in the later period.

The invention relates to an intelligent rice milling and selling integrated machine and a rice milling and selling method thereof. The intelligent rice milling and selling integrated machine comprisesa transparent grain tank, a grain suction head, a hose, a rice milling device, a pay device and a control device. The rice milling and selling method comprises a display step, a user input step, a fresh rice provision quantity judging step, a pay step, inquiry, calculation and setting steps by a control part, a grain suction step, a grain weighing step, a rice milling step, a fresh rice weighingstep and a storage data revising step by a storage part. The intelligent rice milling and selling integrated machine and the rice milling and selling method thereof have the advantages that grain storage, grain suction and rice milling processes can be observed, grains in the tank can be sucked efficiently, diversified fresh rice can be provided, milling quantity can be controlled precisely, and rice supply condition and milled rice rate can be updated and displayed in time.

A product and system for cleaning water or industrial and sewage waste water includes a mixture of diatomite that is heated and stirred to impart a lasting low level negative electrical charge to the diatomite. A mixture of approximately 50% aluminum chloride (A1C1) by volume is blended to provide a powder mixture for use as a flocculant in the system.. According to a modification, the charged diatomite is instead blended with a mixture of approximately 50% ferric chloride (FeC13) by volume and is stored in liquid form for later use as a flocculant in the system. From one to five percent, by volume, of polyacrylamide is preferably added to the mixture for use in sewage waste water treatment applications. An efficient system for reacting either the mixture or separately adding the diatomite and the metallic chloride to the water is described.

The invention discloses a tunnel slotting device. The tunnel slotting device comprises a car body, wherein a fixed platform is arranged on the car body; a guide mechanism of a circular-arc-shaped structure is arranged on the fixed platform; a movable slide assembly is arranged on the guide mechanism; a slotting assembly and an adsorbing cover are fixedly arranged on the slide assembly; a dust collecting box is further arranged on the fixed platform; the dust collecting box communicates with the adsorbing cover through a pipeline; the fixed platform is horizontally fixed on the car body; left and right sides of the fixed platform are separately downwards turned over and bent to form supporting platforms; the guide mechanism comprises two guide assemblies of circular-arc-shaped structures, and the two end surfaces of each guide assembly are separately fixed on the two supporting platforms; and the two guide assemblies are arranged in a mirroring mode. The tunnel slotting device can effectively absorb dust in a construction process, is high in smoothness, and is good in safety.

An electrically powered hand held drilling and / or hammering tool having a dust collection unit powered by a motor (51) housed in the unit, which unit can be releasably fitted to the tool. A plug arrangement (12) and a cooperating socket arrangement (28), one of which is formed on the tool and the other of which is formed on the unit, are provided for electrically connecting the power supply for the tool to the motor (51) of the unit. A first mechanical fixing arrangement is provided comprising a first projection (8) and a first cooperating recess (54), one of which is formed on the tool and the other of which is formed on the unit, located adjacent the respective part of the plug and socket arrangements and a second mechanical fixing arrangement is provided, located remotely from the first and comprising a manually actuable releasable latch arrangement (72,66) and a second cooperating recess (60), one of which is formed on the tool and the other of which is formed on the unit. The first and second mechanical fixing arrangements cooperate to secure the dust collection unit to the tool in such a way that the plug and socket arrangements form an electrical connection.

The invention discloses a chemical tail gas dedusting spraying device, which relates to the technical field of chemical tail gas treatment. The device comprises a support frame, wherein a dedusting box and an absorption box are arranged in the support frame; a dust filtration screen plate is vertically fixed in the dedusting box a motor I is in driving connection with a vertical reciprocating mechanism; the vertical reciprocating mechanism is in driving connection with an air injection disc communicated with the interior of the dedusting box; a spraying mechanism located in the absorption boxis connected to a liquid reagent box. Dust in flue gas is filtered through the arranged dust filtration screen plate, an arranged cleaning mechanism is driven by a motor II to drive a brush plate to vertically reciprocate, the brush plate is promoted to fully clean dust attached to the dustfiltration screen plate to ensure that the screen plate of the dust filtering screen plate is smooth, and theefficient dust filtering effect of the dust filtering screen plate on flue gas is effectively guaranteed. Flue gas can be dispersed and sprayed out through an arranged flue gas spray head, meanwhile,a liquid reagent sprayed out of a liquid reagent spray head makes full contact with the flue gas, and the efficient absorption effect is achieved.

The invention discloses a cylinder type wall plastering rod which comprises a plastering head used for plastering a wall surface and a plastering handle held by a user, wherein the plastering head is of a cylindrical structure; a cavity for storing oil paint is arranged in the cylinder; the cavity is communicated with outside through a plurality of through holes formed in the plastering head; first one-way blades are arranged in the through holes; each first one-way blade is composed of two semicircular blades opposite to each other and only can be opened from the inner side to the outer side of the cavity, so that the oil paint is in a one-way diversion form; the plastering head is connected with the plastering handle through a guide pipe; and the plastering handle is composed of a piston pipe and a handle tube. By sliding the piston pipe up and down, a pressure in the handle tube is changed, and the oil paint can be sucked into the handle tube by a feed pipe under the pressure effect. The operation is simple and rapid, and a process of repeatedly dipping the oil paint by a user is avoided.

The invention discloses a soft magnetism medium assembly for a fluid deironing device. The soft magnetism medium assembly is characterized by comprising two side plates and strip-shaped soft magnetism objects, wherein the cross area of each strip-shaped soft magnetism object is 0.5-50 mm<2>, and the section of each strip-shaped soft magnetism object is polygonal, and the spacing between each two adjacent strip-shaped soft magnetism objects in each layer is 1-10 mm. Compared with the prior art, the soft magnetism medium assembly has the advantage that weakly-magnetic ferromagnetic materials in fluids can be effectively attracted.

The invention discloses an electronic welding fume discharge device, which is characterized in that it comprises a bracket (1), an exhaust fan (2), a smoke filter device, a purification tank (3), an exhaust fan (5), an air suction device, and controller (10). The invention cooperates with the air suction device and the exhaust fan to effectively absorb the smoke generated by electronic welding; and the smoke filter device arranged between the air suction device and the exhaust fan can filter the dust particles in the electronic welding smoke Filtration is carried out to prevent the impeller of the exhaust fan from being polluted by dust, so that the load on the impeller is too large, which effectively ensures the stability of the exhaust fan; at the same time, the rosin component in the electronic welding fume is filtered through the set purification tank, so that The electronic welding fume is cleaner, so that the present invention can well solve the problem that the existing electronic welding fume equipment cannot purify the fume.

The invention relates to an automatic hang tag conveying, stacking, stringing and knotting device and method. The device comprises a hang tag conveying device, a hang tag translation device and a hangtag stringing and knotting device, wherein the hang tag conveying device comprises a trough assembly and a taking and placing mechanism; the hang tag translation device comprises a first supporting mechanism, a second supporting mechanism, a clamping mechanism, a moving mechanism and an ejector pin positioning mechanism; and the hang tag stringing and knotting device is arranged at the tail end of a channel and used for stringing and knotting hang tags translated by the hang tag translation device. By means of the device and method, automatic hang tag conveying, stringing and knotting operation can be achieved, and the production efficiency is improved.

The invention relates to a desk for eating hotpot and a use method thereof. The desk comprises a desk body, a lampblack treating device and a hydrogen production device, wherein the lampblack treatingdevice and the hydrogen production device are arranged in the desk body. The upper surface of the desk body is round, a vertical cylindrical boss is fixedly arranged on the upper surface of the deskbody, and the axis of the boss coincides with the circle center of the upper surface of the desk body. A round turntable for foods to be placed is arranged on the inner side of the boss. A plurality of electromagnetic plates for hotpot placement are inlaid on the upper surface of the desk body along the outer periphery of the boss at intervals. A tableware placement groove and a hydrogen sucking port are formed in the portion, close to each electromagnetic plate, of the upper surface of the desk body. The lampblack treating device comprises a box body, an air sucking pipe communicated with theupper portion of the box body and an air outlet pipe communicated with the side wall of the box body, wherein an exhaust fan is arranged on the air exhausting pipe, and low-temperature alkaline treating liquid is placed in the box body. One end of an air sucking pipe is communicated with the air exhaust pipe, and the other end of the air sucking pipe penetrates through the outer surface of the boss and is located above a hot pot. One end of a radiating pipe is communicated with the air outlet pipe, and the other end of the radiating pipe is communicated with the corresponding tableware placement groove.

The invention relates to a heat pump and electric heater double-stage heating and heat regenerating type warm water, boiled water and hot water adjusting machine. The heat pump and electric heater double-stage heating and heat regenerating type warm water, boiled water and hot water adjusting machine has the advantages that a siphon circulating electric heating mode and a single-tank double heating mode are integrated to heat the boiled water at high efficiency and store the heat; the cold boiled water is prepared by high-efficiency heat regenerating circulating; the heat of the supplied water is absorbed by a semiconductor thermoelectric chip to prepare vegetable washing water, the heat of the cold boiled water is recovered to prepare ice boiled water, and the sensible heat of the boiled water is recovered to realize the stepped heating of the supplied water by the semiconductor thermoelectric chip and the electric heater; the mixing amount of the boiled water and the ice boiled water is adjusted by a drinking water temperature adjusting valve to prepare the warm boiled water; the mixing amount of the boiled water and the supplied water is adjusted by an automatic adjusting valve to prepare the hot water; the functions, such as the boiled water, the ice boiled water, the warm boiled water, the hot water and the vegetable washing water, are realized.