156results about How to "Increase water output" patented technology

The invention discloses a vapor generator, a washing system and a range hood. The vapor generator comprises a body, a heating member and an eduction pipe, wherein the body is internally provided with a heating cavity, and the heating cavity is provided with an inlet and an outlet; the heating member is arranged on the body and used for heating a liquid inside the heating cavity; the eduction pipe is arranged in the heating cavity, the upper end of the eduction pipe is closed, the lower end of the eduction pipe is opened, the lower end of the eduction pipe is connected with the outlet of the heating cavity, and the eduction pipe is provided with a plurality of eduction pores. According to the vapor generator of the embodiment, generated water scale can be prevented from flowing out, the water scale can be further prevented from entering a spraying pipe, the potential danger that the spraying pipe is blocked can be eliminated, and the spraying force and washing effect of the spraying pipe can be guaranteed.

The invention discloses a novel method for starting and regulating working performances of a modified double heat pump bath hot-water system (i.e. a device for utilizing waste water and waste heat after bath to produce bath hot water). The method is implemented by adding a temperature-balancing tank and an electric heater at the water inlet end to shorten the start-up time and save water, and utilizing a three-way energy efficiency valve and a solenoid valve to regulate the volume of inlet waste water and thus to control the outlet water temperature. The invention has the advantages of high energy-efficiency ratio, rapid heating, and good start-up and temperature-regulation performances; and can work at a temperature below 5 DEG C.

The invention relates to a water storage type electric water heater, which includes a housing, a heater, an inner container, a temperature sensor, a circuit board, a first water outlet pipe, a water inlet pipe and a water mixing valve. The water storage type electric water heater is characterized in that a second water outlet pipe is also arranged at the bottom of the inner container; a water inlet of the second water outlet pipe is located at the middle part of the inner container; the water outlet of the second water outlet pipe passes through the housing, and is communicated with a bypass pipe of a second tee through a normally closed electromagnetic valve; the second tee is arranged on a pipeline between a normally open electromagnetic valve and a cold water inlet of the water mixing valve; and the normally closed electromagnetic valve, the normally open electromagnetic valve, a water flow sensor and the automatic water mixing valve are connected to the circuit board through leads. The water storage type electric water heater adopts the structure of double water outlet pipes, utilizes heated hot water in the inner container at the utmost, improves the hot water output, solves the problem that the hot water utilization rate of the water storage type water heater is low, and saves the energy.

The invention provides a guiding structure on a multifunctional shower head, belongs to the technical field of machinery and solves the problem of smaller water output of a conventional intelligent shifting top-spray shower head. The guiding structure comprises a housing and a central control seat arranged in the housing, wherein a water inlet I and a water outlet I are arranged at the upper end of the housing, and a water outlet cavity I is formed in the upper end of the housing; an elastic upper sealing component is arranged between the central control seat and the upper end of the housing; a water passing hole I communicated with the water inlet I is arranged in the upper sealing component; a pressure relief hole I communicated with the water passing hole I is arranged at the upper end of the housing, and an electric element is arranged on the outer side of the housing; an elastic lower sealing component is arranged between the central control seat and the lower end of the housing; a water passing hole II communicated with a water inlet II is arranged in the lower sealing component; a pressure relief hole II communicated with the water passing hole II is arranged in the central control seat; the lower end of the upper sealing component is connected with a cylindrical positioning barrel of which the lower end is opened; and an elastic regulation component is arranged in the positioning barrel. The guiding structure has the advantages that the opening degree can be expanded and the water yield can be regulated.

The invention discloses an impulse type jetter with the water outlet direction adjustable and a closestool using the same. The jetter comprises a channel cavity, a rectifying cavity, an impulse impeller and a water outlet component. The impulse impeller is arranged inside the rectifying cavity and located below a jetting port. The water outlet component comprises a water outlet pipe and a rotary base. Water in the rectifying cavity can be vertically sprayed to the jetting port through the impulse impeller in an impulse mode, that is to say, water is sprayed to the jetting port intermittently at certain frequency, so as to boost water pressure, increase impact force and improve cleaning quality; furthermore, acupoint massaging can also be achieved, so that fatigue can be effectively relieved and the using comfort level can be increased for users. The water outlet component is provided with the water outlet pipe with the rotating function, so that the water outlet direction can be controlled by controlling the rotating angle of the water outlet pipe, users can change the water outlet direction according to their needs, user experience can be improved, and the jetting range can be enlarged.

The invention discloses a treatment method for rural sewage and belongs to the technical field of treatment of domestic sewage. The treatment method comprises the following steps: the rural sewage isintroduced into a grille well, impurities are removed, and effluent of a secondary sedimentation tank enters a constructed wetland, wherein the constructed wetland comprises a soil and vinegar residuecompound layer; the effluent of the constructed wetland enters an ecological filter tank; an ecological filter bed comprises a soil layer for earthworms to do activities, a wood residue layer, cobblestones and biological ceramsites from top to bottom in sequence; a water inlet pipeline is arranged between the soil layer and the wood residue layer; household garbage and sludge are transferred andtreated by the earthworms to obtain fertilizer suitable for crops to grow; effluent of a draining pipeline of the ecological filter tank is used for irrigating the crops. The sewage treatment method disclosed by the invention treats the rural sewage by combining an activated sludge method, a constructed wetland method and an earthworm ecological filter tank method; wastes in the sewage treatment are prepared into biofertilizer by the earthworms; purified water is used for irrigating so as to save water and fertilizer and change the wastes into valuables.

The invention discloses an activated carbon fiber sintered filter element and its preparation method. The preparation method comprises the following steps: mixing ultrahigh molecular weight polyethylene and activated carbon fiber, pressing, sintering, and carrying out cooling molding. In comparison with the prior art, the invention has the following beneficial effects: the prepared filter element doesn't drop powder, has high strength which is 2-3 times higher than that of a common activated carbon powder sintered filter element and will flow out little black water at the beginning (a lot of black water will flow out when an original activated carbon powder filter element begins to be used); the prepared filter element has high flux and high water yield (under the pressure of 0.2MPa, flux of an activated carbon powder filter element of 10 inches is 6.6 L / min and the total water yield is 8-10 tons; but under the same condition, flux of the activated carbon fiber filter element is 8 L / min and water yield is 10-12 tons); and the prepared filter element has a good adsorption effect: a good effect of removing residual chlorine and impurities (residual chlorine removal rate of an activated carbon powder filter element of 10 inches is 50%, but residual chlorine removal rate of the activated carbon fiber product is 65-70%).

The invention belongs to the technical field of bathrooms, and particularly relates to a multi-channel floor drain. The multi-channel floor drain solves the problems that an existing floor drain is insufficient in water outlet amount and low in water seal reliability. The multi-channel floor drain comprises a main pipe body with a containing cavity, and a flow guide cover and a floor drain cover are arranged at the top of the main pipe body; and the multi-channel floor drain is further characterized in that a bottom plate is arranged at the bottom end of the main pipe body in a closed mode, aseparator is arranged in the main pipe body and divides the containing cavity into a water inlet cavity and a water seal cavity, a channel for communicating the water inlet cavity with the water sealcavity is formed between the separator and the bottom plate, a first water inlet pipe communicating with the water inlet cavity and a water outlet pipe communicating with the water seal cavity are arranged on the peripheral wall of the main pipe body, the first water inlet pipe and the water outlet pipe are located above the channel and can form water seal between the water outlet pipe and the bottom plate, a guide plate positioned at the top of the water seal cavity is arranged on the separator, and the guide plate is obliquely arranged towards the water outlet pipe. According to the multi-channel floor drain, the water outlet amount of the floor drain and the reliability of water seal are improved.

The invention discloses a water storage type dual mode water heater which comprises an upper portion internal container, a lower portion internal container and a control circuit board. The upper portion internal container and the lower portion internal container are arranged inside an outer shell, the upper portion internal container and the lower portion internal container are mutually communicated, an instant sub-container is arranged in the upper portion internal container, and an instant sub-container water inlet tube, an instant heating tube, a temperature sensor and a dry-heating temperature controller are arranged on the instant sub-container. A drain outlet is formed at the bottom end of the lower portion internal container. A preheating heating tube, a temperature sensor, a dry heating temperature controller and a water inlet tube are arranged in the lower portion internal container, wherein one end of the water inlet tube is welded in the lower portion internal container. The control circuit board is respectively connected with a temperature probe, the instant heating tube, the preheating heating tube, the temperature sensors and the dry heating temperature controllers through signal lines. The water storage type dual mode water heater can achieve machine automatic protection, and adds the advantages of cleaning convenience, speediness and stability.

The invention relates to an instant drinking machine which can supply the direct drinking water. The technical proposal is to make one part of the pure water enter the washing tank. When the pure water pressure in the barrel reaches the given value, the high pressure switch opens to make the pure water in the washing tank flow from the reverse osmosis membrane waste water gap into the reverse osmosis membrane and flush the reverse osmosis membrane, permute the residual water in the reverse osmosis membrane using the pure water, and escort the waste water to the raw water preposition processing device by the booster pump action, which makes the TDS value the same at the pure water side and the raw water side in the reverse osmosis membrane, and ensures the first cup of water having the desalinization ratio higher than 80% when turning the cock and becomes a real instant drinking machine.

The invention discloses an air pressure heat storage type water heater. The air pressure heat storage type water heater is characterized by comprising a shell, a water storage inner container, a water inlet device, a water outlet device, a heating device, a sensing device, a circuit control assembly and a parameter control panel. The shell and the inner container are combined in a sleeved mode to form a double-layer vacuum insulation structure, or the space between the shell and the inner container is filled with foam insulating materials to form a foam insulation structure so that the heat preservation effect of the water heater can be improved. An air storage cavity is arranged in the water heater. A pressure device is pre-mounted in the air storage cavity or can be connected with the air storage cavity for injection of air, so power can be provided for water discharge in the water using process of the water heater, the water yield is increased, energy consumption is lowered, and the energy efficiency of the water heater is improved. In addition, in the water discharging process of the water heater, the water inlet device cuts off communication between inflow water and the water storage inner container, and the heating device stops heating synchronously, so it can be guaranteed that cold water and hot water are not mixed in the using process, and the problems of heat loss and power consumption due to repeated heating when the cold water and the hot water are mixed in a water storage cavity are effectively avoided. The air pressure heat storage type water heater is high in energy efficiency, good in heat preservation effect, small in occupied space and convenient to install, and the inner container is low in manufacturing cost.

The invention discloses an ultrasonic cleaning filter-screen filtering device, which comprises a filtering pond, wherein the filtering pond comprises a left pond wall and a right pond wall; the left pond wall or the right pond wall is provided with a water charging and distributing groove; a plurality of parallel filter-screen filtering tanks are arranged longitudinally in sequence between the left pond wall and the right pond wall; an ultrasonic vibration plate truss frame capable of moving forwards and backwards is arranged above the left and right pond walls; the truss frame is provided with a transverse rod capable of moving upwards and downwards; and the transverse rod is provided with an ultrasonic vibration plate for cleaning a filter screen and a water blocking rubber plug which can be used for blocking inflow water during cleaning. The filtering device has the characteristics of high filtering efficiency, damage-free cleaning, long service life of the filter screen, low running cost, and the like.

The invention provides an anti-spilling assembly, method and system and a cooking utensil. The anti-spilling assembly comprises a water inlet pipe, a spraying nozzle and an anti-spilling detection device, the water inlet pipe is located above an inner pot, and a water outlet end of the water inlet pipe faces the inner pot; the spraying nozzle is provided with a cavity, a water inlet end of the spraying nozzle is connected with the water outlet end of the water inlet pipe, and the side wall of the spraying nozzle is provided with at least one water spraying port extending in the height direction of the spraying nozzle; the anti-spilling detection device is arranged on a cover body, connected with the cover body and used for controlling the spraying nozzle to start spraying water or stop spraying water. Through the arrangement of the anti-spilling detection device and the spraying nozzle, when the anti-spilling detection device detects that ingredients cooked in the inner pot are about to spill, the spraying nozzle is controlled to be opened to spray water into the inner pot, bubbles generated by boiling can be effectively reduced, and it is ensured that the ingredients in the innerpot can continuously be heated by the cooking utensil without spilling.

The invention discloses a water heating device, a control method thereof and a water dispenser. The water heating device comprises a water tank, a pre-heater, a heater, a water pump, a control valve, a temperature sensor and a controller, wherein the pre-heater is communicated with the water tank, the heater is provided with an inlet and an outlet, the inlet of the heater is communicated with the pre-heater, the water pump is connected between the water tank and the inlet of the heater, the control valve is connected between the water tank and the inlet of the heater, the temperature sensor is arranged on the heater, and the controller is connected with the temperature sensor and the water pump, and controls rotating speed of the water pump according to a water temperature detecting value of the temperature sensor. According to the water heating device of the embodiment, the output water temperature can be adjusted in a stepless mode, and the water heating device has the advantages of being large in hot water output amount, high in heating efficiency, small in generated steam amount, long in service life, safe, reliable and the like.

The invention relates to a method for preparing freshwater by applying a solar seawater desalination plant arranged on the sea. The method is characterized in that a lower pool, an upper pool and a light-transmitting shed are successively arranged in a ship body; the upper pool is provided with an air inlet mechanism and a venting mechanism; the freshwater is prepared by using a natural freezing method in the ship body in winter, and simultaneously, the seawater which is not frozen is distilled by using the air inlet mechanism and the venting mechanism so as to obtain the freshwater; and in other seasons, the freshwater is prepared by distilling the seawater with solar energy. The method has the beneficial effects that the seawater desalination plant in the invention floats in the seawater, and land resource is not occupied; the freshwater yield of the plant is higher than that of a device for distilling the seawater only by virtue of solar radiation in winter; the actions of the seawater desalination plant in the invention rely on natural force without a power plant, electric power consumption and manpower; and because the seawater desalination plant can float on the sea, thus the seawater desalination plant can freely select a high-quality seawater region to anchor for desalinating the seawater.

The invention discloses a closestool with an efficient flushing waterway, which comprises an injection waterway for supplying water for an injection port of the closestool and a sewage discharge waterway connected with a sewage discharge port of the closestool; the injection waterway comprises a diversion section, a drainage section and a jet section which are communicated with one another in sequence; a first steering angle is arranged between the diversion section and the drainage section; a second steering angle is arranged between the drainage section and the jet section; the drainage section longitudinally extends downwards; the drainage section and the sewage discharge waterway are respectively arranged on the front side and the rear side of the sewage discharge port; water flow steers and enters the drainage section through the first steering angle after passing through the diversion section, then steers and enters the jet section from the drainage section through the second steering angle and is injected from the injection port of the closestool to the sewage discharge port, therefore, potential energy loss of the water flow can be reduced, the water flow kinetic energy is improved, and the flushing effect is better.

The invention relates to the technical field of heavy metal treatment. The invention discloses chemical waste liquid heavy metal residue treatment equipment. The equipment comprises a heavy metal waste liquid tank, a neutralization tank, a settling tank, a flocculation tank and a clarification separation tank, wherein the top end of the heavy metal waste liquid tank is connected into the neutralization tank through a pipeline, a first dosing device is arranged above the neutralization tank, a gear disc is rotatably connected to the middle of the neutralization tank, a rotating plate and a water shoveling mixing plate are fixedly mounted at the bottom end of the gear disc, and a plurality of notches are formed in the middle of the gear disc. According to the chemical waste liquid heavy metal residue treatment equipment, at present, heavy metal ions are completely separated in the heavy metal sewage treatment process, long-term continuous operation can be guaranteed, the treatment effectof the device is good, it is guaranteed that heavy metal and added chemicals can be rapidly and evenly mixed, it is guaranteed that a liquid can rapidly reach the standing state, sediment can be rapidly subjected to sedimentation treatment, and the treatment efficiency of the metal ion treatment device is improved.

The invention provides a solar heat pump water heater for commercial use, comprising a heat pump unit, wherein a second heat interchanger and a first heat interchanger are installed on a pipeline of the heat pump unit, the second heat interchanger is connected with one end of a second water recharge pipe, one end of the second water recharge pipe is connected with a water tank, a first electric valve and an eleventh temperature sensor are installed on the second water recharge pipe, the first heat interchanger is connected with one end of a communicating pipe, the other end of the communicating pipe is connected with the second heat interchanger, and a second electromagnetic valve is installed on the communicating pipe; and the first heat interchanger is respectively connected with one endof a water inlet pipe and one end of a water outlet pipe of the water tank, one end of the water inlet pipe and one end of the water outlet pipe are respectively connected with the water tank, a oneway valve and a first water pump are installed on the water outlet pipe of the water tank, a first water flow switch, a ninth temperature sensor and a second electric valve are installed on the waterinlet pipe of the water tank, and a heat exchange pipe coil is installed in the water tank and is connected with a solar heat collector by solar liquid inlet-outlet pipes. By utilizing the heat pump and a solar device, heat is directly supplied to the water tank by the water heater, thereby furthest giving play to the heating function of the heat pump and the solar energy.

The invention discloses an intermittent water inlet high-density sedimentation tank operation control system and method. The system comprises a first suspended matter concentration meter, a PAC dosingpump, a PAM dosing pump, a sludge concentration meter, a liquid level meter, a sludge interface instrument, a second suspended matter concentration meter, a residual sludge pump, a return sludge pump, a stirrer, a mixer and a sludge scraper which are correspondingly arranged in each area of a high-density sedimentation tank, and is further provided with a control device which is electrically connected with all the devices, and can conduct intermittent water inflow linkage control, backflow linkage control and sludge discharge linkage control on the high-density sedimentation tank according tothe water inflow state, the sludge concentration state and the sludge position state of the high-density sedimentation tank. According to the system and the method, the dosing amount, the reflux ratio and the sludge discharge time can be adjusted in time according to the water inlet and outlet amount and the water quality, the water quality of outlet water can be improved, chemical consumption and power consumption are reduced, and the manual labor intensity is reduced.

The invention discloses a mutton-fat jade porcelain pot capable of rotating in the air and a preparation method thereof. The mutton-fat jade porcelain pot is composed of following raw materials in parts by weight: 20 to 25 parts of potash feldspar, 25 to 30 parts of kaolin, 50 to 60 parts of quartz, 20 to 25 parts of granite, 10 to 15 parts of muscovite, 8 to 12 parts of diopside, 6 to 10 parts oftremolite, 1 to 3 parts of solonchak, 12 to 16 parts of alumina, 6 to 8 parts of boron carbide, 5 to 8 parts of silicon nitride, 0.8 to 1.2 parts of zirconia, 0.5 to 0.8 part of lanthanum oxide, 0.2to 0.5 part of vanadium (V) pentoxide, 0.15 to 0.3 part of beryllium oxide, 0.6 to 0.8 part of sodium carboxymethyl cellulose, and 0.1 to 0.3 part of titanium oxide. Potash feldspar, quartz, and kaolin are taken as the main raw materials, auxiliary materials such as granite, solonchak, muscovite, diopside, and the like, are added; and the provided mutton-fat jade porcelain pot has a smooth surfacewithout using any glaze.

The present invention discloses a reverse osmosis integration machine purification system, which comprises a prime mover, a separation and purification machine connected to the prime mover, and a permeation membrane unit or unit group connected to the separation and purification machine in parallel.

The invention discloses a humidifying method and device for a household appliance and the household appliance. The method comprises the steps of controlling the household appliance to start a wet filmassembly for humidifying an indoor part, and detecting the first humidity of the current indoor part; recognizing that the humidifying duration of the wet film assembly reaches the preset duration, and detecting the second humidity of the current indoor part; and obtaining a humidity difference between the first humidity and the second humidity, and according to the humidity difference, adjustingthe water spraying amount of a humidifying device to the wet film assembly. After the wet film assembly is started to perform humidifying, the first humidity and the second humidity are obtained, when it is recognized that the second humidity is smaller than a first preset humidity threshold value, the humidifying device is started for spraying water to the wet film assembly, and the problems that when only the wet film assembly is depended on for performing humidifying, the evaporation effect is poor, and the humidifying amount is small are solved. Furthermore, the water spraying amount of the humidifying device can be adjusted according to the humidity difference, the requirement for the humidifying amount can be met, and the problem that the user comfort level is lowered due to the fact that the humidifying amount is excessively large can be avoided.

The broad angle spraying aeration device includes one water pumping unit, at least one float barrel unit, one height regulating seat, and at least one spraying seat. The float barrel unit is located outside the water pumping unit and connected via fixing support to the water pumping unit. The height regulating seat is connected to the water pumping unit, and the spraying seat is connected over the height regulating seat and has several outwards inclined reduced water flow passage in the conic bottom. There may be increased separating boards in different shapes to vary the spraying form.

The invention relates to a dry film hydrophilc agent which is prepared from the following components in parts by weight: 1000 parts of water, 20-60 parts of polyethyleneglycol-polyethylene phthalate block copolymer, 5-20 parts of silicon oil block terpolymer, 150-300 parts of ethanol or glycerol, 0-6 parts of n-hexyl alcohol, 5-10 parts of Tween-80, 3-30 parts of op-10 surfactant and 0-5 parts of sodium bisulfite. Compared with the traditional agent, the hydrophilc agent is reasonable in formula, and the film material is hydrophilc for a long time; after the film material is immersed by the hydrophilc agent, the film can be preserved in a dry state without being immersed in liquid, thereby reducing the possibility of bacterium breeding and mildewing on the film material surface; and the invention effectively prolongs the shelf life of the film product, prolongs the service life of the film product, and enhances the water output and stability of the film product.

The invention discloses a double heading safety electric water heater. The double heading safety electric water heater comprises a preheating heater body, an instant heating device, a high-power safe power source and a connecting electric wire. The preheating heater body comprises a water inlet, a cold water inlet pipe, a pressure release valve, a water inlet control valve, a water outlet, a warm water outlet pipe, a warm water switching valve, a water passing hole, a water insulation switching valve and a temperature displayer, and further comprises a warm water temperature limited switch and a cold and hot water partitioning and adjusting device which is composed of a rotary shaft, an adjusting nut, a fastening nut, a waterproof rubber gasket, a fixed water partition plate, a movable wiper plate, a spring piston, an adjusting shaft and an adjusting flower basket. The high-power safe power source is used for supplying power and is isolated from a 220V power source, so that electric shock accidents are eradicated. Meanwhile, the cold and hot water partitioning and adjusting device is arranged in the preheating heater body, 95% of heated warm water flows into the instant heating device for heating, water scale is avoided, a liner and a magnesium rod are not need, and the double heading safety electric water heater has the advantages of being capable of saving energy, safe, low in cost, large in hot water outlet amount, high in hot water outlet efficiency, facilitating part convenient and the like.

The invention discloses a double-water-storage-tank water injection system, a water injection method and a storage medium, and belongs to the technical field of oil field water injection. The double-water-storage-tank water injection system comprises a first water storage tank, a second water storage tank, a first plunger pump, a second plunger pump, a first water conveying pipeline, a second water conveying pipeline, a connecting pipeline, a first valve, a second valve, a third valve, a first flow meter and a second flow meter, and the connecting pipeline connects the first water conveying pipeline with the second water conveying pipeline. During normal water injection, the first water conveying pipeline and the second water conveying pipeline are opened, the connecting pipeline is closed, when the liquid level in the second water storage tank is too high, the connecting pipeline is opened, the first water conveying pipeline is closed, the second water conveying pipeline is kept opened, injected water in the second water storage tank enters the first plunger pump and the second plunger pump at the same time, and accordingly the liquid level height can be rapidly reduced. In addition, part of injected water is subjected to flow dividing through the first plunger pump, excessive injected water is prevented from being injected into an oil pool, and the effect of water injection development is improved.

Disclosed is a nitrate-contaminated shallow groundwater extraction and irrigation combined repair system. The system is provided with a plurality of repair units, each repair unit is provided with a water pumping well, a submersible pump, a water storage tank and an automatic disconnection switch. The inner diameter of a well pipe of each water pumping well is greater than or equal to 150 mm, the0.9-1m length section downward from the ground surface of each well pipe and the 0.9-1m length section of the bottommost portion of the well pipe are impervious pipes and form an impervious pipe uppersection and an impervious pipe lower section, water stopping material filling layers are arranged between each impervious pipe upper section and a well wall namely the inner wall of a well drilling hole and each impervious pipe lower section and the pipe wall namely the inner wall of the well drilling hole, a middle section between the impervious pipe upper section and the impervious pipe lower section of each well pipe is provided with a water filtering pipe, and a gravel filling layer is arranged between each water filtering pipe and the well wall namely the inner wall of the well drillinghole; the automatic disconnection switch is provided with a cutter switch, a rotatable lever, a connecting rod and a float. The system achieves the purposes of extracting nitrate and other contamination components in groundwater and providing irrigation water sources and nitrogen fertilizer for farmland, and the repair cost is low.

The invention discloses a water-stored dual-mode purifying water heater. The water-stored dual-mode purifying water heater comprises an upper-part inner container, a lower-part inner container and a control circuit board. The control circuit board is arranged on a shell. The upper-part inner container and the lower-part inner container are arranged in the interior of the shell and communicated by means of a communicating pipe. A first water quality detector used for detecting water quality of the lower-part inner container is arranged in the lower-part inner container. The position, where the upper-part inner container and the lower-part inner container are communicated, is provided with a first filtering device used for filtering water quality of the lower-part inner container. The upper-part inner container is provided with a second water quality detector used for detecting water quality of the upper-part inner container. The upper-part inner container is further provided with a second filtering device used for filtering water quality of the upper-part inner container.The water-stored dual-mode purifying water heater has following beneficial effects: a machine can be automatically protected; the water-stored dual-mode purifying water heater is not only capable of automatically regulating water discharge temperature and flow but also further purifying water quality; and the water-stored dual-mode purifying water heater is used conveniently and rapidly with stability and reliability.

The invention provides a double-helix flow diverter, belongs to the technical field of water pumps and solves the problems of large hydraulic loss and low water pump efficiency of single-helix flow diversion parts in the first-stage impellers of existing double-impeller horizontal type centrifugal pumps. The double-helix flow diverter comprises a flow diverter body; the impeller of a centrifugal pump is arranged inside the flow diverter body and evenly provided with a plurality of blades; the edge of the flow diverter body is provided with two helix flow channels which are communicated with the flow diverter body and composed of a worm flow channel I and a worm flow channel II, the water inlets of the worm flow channel I and the worm flow channel II are tangent to the flow diverter body, the external end of the worm flow channel I is provided with a water outlet I, and the external end of the flow channel II is provided with a water outlet II. The double-helix flow diverter enlarges the cross area of the water outlets, improves the hydraulic efficiency and the water output of water pumps and is compact in structure and reasonable in design.

The invention provides an efficient energy-saving household short-pipe type rapid water heater, which has a water jacket consisting of a shell and a liner. The water heater is characterized in that a plurality of water isolating rings are arranged in an interlayer of the water jacket, so as to divide the interlayer of the water jacket into a plurality of layers of water flow channels from top to bottom; a plurality of water pipes are arranged on the liner; and the water pipes communicate all layers of water flow channels of the water jacket together. The water heater has the advantages that the water heater changes the combustion and heat exchange modes of the prior household gas rapid water heater, is sufficient in the combustion of flammable substances and little in the loss of chemical incomplete combustion, increases convection heating surface and radiant heating surface, ensures that water flow in a heater exchanger is always in the states of violent vortexes and turbulent flow, raises convective heat exchange coefficient, and is fast in water temperature rise, high in water yield, high in effluent temperature, large in radiant heating surface, high in the radiation angle factors and blackness of the walls of the liner and the water pipes, high in radiant heat absorption, little in radiant heat reflection, little in smoke discharge loss, high in efficiency, wide in application range, wide in fuel choice range and low in operation cost.