39results about How to "High water saving efficiency" patented technology

The invention provides a sanitary washing apparatus, capable of increasing the water-saving efficiency and reducing the standby power. The local washing nozzle comprises: a water supply path configured to pass the wash water; an orifice configured to direct the wash water passed through the water supply path toward the human body part; a throat; a mixing chamber provided on a downstream side of the orifice and on an upstream side of the throat, an area of a cross section of the mixing chamber perpendicular to a discharge direction of the wash water being larger than an area of a cross sectionof the orifice perpendicular to the discharge direction; and an air intake portion configured to take air into the mixing chamber by a negative pressure generated by wash water flowing from the orifice toward the throat, a return flow is generated in the mixing chamber by wash water flowing out from the orifice and having a flow direction changed by a wall face of the mixing chamber, the air is sucked into the mixing chamber via the air intake portion being mixed into the return flow as an air bubble, and the return flow is mixed with the air joining wash water flowing from the orifice towardthe throat and is discharged from the throat.

The invention relates to a water-saving pool overlapping high water head ship lock. By means of the technical scheme, according to the technical aims to be achieved by the ship lock, the site area of a large number of water-saving pools is reduced to the minimum, and the difficulty of building the water-saving pools on mountain topographies is greatly reduced. According to the technical scheme, the well type ship lock technology and the water-saving pool overlapping technology are combined, and the combined operation manner of the multiple water-saving pools is carried out.

A sewage filter is composed of a filtering case with backwater tube, a filtering net, a washing unit for secondary filtering and its driver unit, a pressure pump connected to said backwater tube, and a controller with single-chip microprocessor for outputting various control signals for secondary filtering. Said washing unit has vertical tube and internal tube arranged along said filtering net and with nozzles. Its advantages are high automation level and secondary filter function.

The automatic water-saving infiltration-irrigating flower pot includes pot body, partition board in the middle part of the pot body to separate the space inside the pot body into upper medium cavity and lower water storing cavity. The partition board has at least one through hole with dip-irrigating belt, which has one end extending into the upper medium cavity and the other end extending into the lower water storing cavity. In the place near the partition board and on the wall of the lower water storing cavity, there is at least one small hole leading to outside. The automatic infiltration-irrigating flower pot of the present invention can save water, has long water refilling period, and is simple and low in cost.

The invention discloses a recycling device for backwash water of an activated carbon filter and a recycling method. The recycling device comprises a flocculant feeding tank, a backwash water collecting tank, an ultra-filtration membrane tank, an ozone generator and a clean water tank, wherein a backwash water inlet, a flocculant feeding port and a collecting tank water outlet are formed on the backwash water collecting tank; an ultra-filtration membrane component is arranged in the ultra-filtration membrane tank; an ultra-filtration membrane water outlet and an ultra-filtration membrane backwash water inlet are formed at the top of the ultra-filtration membrane component; the ultra-filtration membrane water outlet is connected with a water inlet of the clean water tank; a backwash water outlet is formed on the clean water tank; the backwash water outlet is connected with the ultra-filtration membrane backwash water inlet through a backwash pump; and an ozone aeration plate is arranged in the ultra-filtration membrane tank. The recycling device disclosed by the invention is capable of filtering out the microorganism, organic matter and particle matter in the backwash water of the activated carbon filter, realizing the safety utilization of the backwash water of the activated carbon filter, increasing the water-saving efficiency of water plant and efficiently restraining the ultra-filtration membrane pollution under the condition of low drug consumption.

The invention discloses a multifunctional high-efficiency water-saving tap, relating to a water-saving tap, which comprises a valve body, a valve core, a hand wheel device and an auxiliary device, wherein the valve core is of a screw plug type and comprises a valve core inner sleeve, a valve core screw plug, a valve core screw rod, a screw rod yoke, a fixed screw cover, a screw rod clamping shoulder, a sealing water line plug, a water line plug connecting rod , a connecting rod through hole, and an clearance water gap; the handle wheel device comprises a hand wheel and a fixed bolt; the auxiliary device comprises a blocking prevention nano filer screen, a water-saving nozzle, and a microfiltration oxygen increaser; and a valve core outer sleeve is located in the middle of the valve body, the valve core inner sleeve is arranged in the valve core outer sleeve, the valve core screw plug is located in the valve core inner sleeve and can move up and down in the valve core inner sleeve, the water line plug connecting rod is connected with the bottom of the valve core screw plug and the top of the sealing water line plug, and one end of the valve core screw rod is connected with the handle wheel and the other end of the valve core screw plug and used for switching the sealing water line plug through a rotary hand wheel. The multifunctional high-efficiency water-saving tap has the characteristics of superior technical performance, constant pressure and current stabilization, microfiltration for dirt cleaning, favorable water quality, high-efficiency water saving, wide adaptation, firmness, durability, and advanced comprehensive cost performance.

The invention discloses a multifunctional self-closing efficient water-saving valve, and relates to a water-saving valve. The valve comprises a valve body, a valve core and a hand wheel device, wherein the valve body comprises a valve core outer sleeve, a water inlet pipe, a blow-down bolt, a nano filter screen, a water-saving nozzle and a water outlet pipe; the valve core comprises a valve core inner sleeve, a valve core screw plug, a valve core screw, a valve core screw cap, a screw clamping shoulder, a connecting pipe yoke, a multi-purpose water wheel, a water wheel connecting pipe and a water quantity adjusting rod; the hand wheel device comprises a hand wheel, a water quantity knob and the like; the valve core outer sleeve is positioned in the middle of the valve body; the valve core inner sleeve is arranged in the valve core outer sleeve; the valve core screw plug is arranged in the valve core inner sleeve and can move up and down therein; the multi-purpose water wheel is arranged in a convex water tank; one end of the water wheel connecting pipe is connected with the multi-purpose water wheel, while the other end is arranged in a screw through hole; and the hand wheel is rotated to drive the valve core to open the water valve and the multi-purpose water wheel applies work to automatically close the water valve. The valve has the advantages of exquisite design, excellent performance, wide application, constant pressure, steady flow, micro-filtration and dirt disposal, good water quality, self-closing if forgetting closing, leakage avoidance, water saving, high efficiency, plugging and stealing resistance, firmness and durability.

The invention discloses an intelligent foaming and foam control system used in a foam blocking water-saving toilet. The system sequentially comprises a foam liquid mixing box, a balancing box and a foam generator, wherein the foam liquid mixing box is provided with an automatic foam adding device; the balancing box is provided with a liquid level control device; the foam generator is provided with an air dispersion device; all the automatic foam adding device, the liquid level control device and the air dispersion device are connected with a control system, namely a PLC microcomputer, through lines thereof respectively. The system has the flushing stability and continuity which are favorably comparable with those of the conventional flush toilet flushing technology, has far better water conservation effect, odor control effect and the like than the conventional flush toilet flushing technology and has the advantages of fully automatic PLC control and simple management.

The irrigation belt of polymer material set inside a hard casing and stretched beyond the tip head and tail end of the hard casing is made of chemical fiber fabric or cross-linked carboxyl methyl cellulose polymer with high hydroscopicity. It is used for homogeneous soaking irrigation widely, and has high hydroscopic power, high water absorbing speed and long service life.

The invention provides a kitchen shower head with various water outlet modes. The kitchen shower head comprises a shower head body with an air suction hole, a fixed sheet and a rotating member, wherein the top surface of the rotating member is sealed with the end face of the fixed sheet; the fixed sheet is provided with a water flowing hole; the rotating member is provided with a first water flowing hole, a second water flowing hole and a third water flowing hole with small aperture which correspond to the water flowing hole of the fixed sheet; both the first water flowing hole and the third water flowing hole are communicated with a cylindrical water supply cavity; the second water flowing hole is communicated with a water supply cavity of the shower head; the shower head body is also provided with the air suction hole; and the angle for turning the air suction hole of the rotating member to the air suction hole of the shower head body is the same as that for turning the third water flowing hole to the water flowing hole of the fixed sheet. The kitchen shower head simultaneously has a shower head water outlet mode and a cylindrical water outlet mode; high-flow cylinder water is cylindrical water and low-flow cylindrical water forms bubbled water; and further, the washing effect is not changed and the water saving efficiency is higher.

Disclosed is a pressure-compensated drip irrigation belt which includes a belt body, the irrigation belt is characterized in that, the belt body is provided with a groove shape flow passage penetrating the belt body, a plurality of water intakes and water outlets are arranged alternatively on the belt body, wherein the water outlet is provided with a structure of tongue cover which can fit tightly with the water outlet.

The invention discloses a fish-photovoltaic power-vegetable complementary system based on a V-shaped gutter channel. The system is structurally characterized in that a photovoltaic power generation system is arranged on iron brackets, the whole photovoltaic power generation system is fixed above a V-shaped fish trough, a bottom mud recycling and utilization system is arranged above the V-shaped fish trough and below the photovoltaic power generation system, a fish driving system is arranged in the middle of the V-shaped fish trough, a vegetable base is arranged on one side of the bank of the V-shaped fish trough, a natural fish pond is arranged on one side of the tail end of the V-shaped fish trough, a water-permeable brick pavement is arranged between the V-shaped fish trough and the natural fish pond, and a prefabricated concrete culvert pipe is buried below the water-permeable brick pavement. The photovoltaic power generation system is used for generating power for providing lighting and driving the bottom mud recycling and utilization system and the fish driving system to operate. The system has the advantages that bottom mud can be collected through the V-shaped fish trough toirrigate vegetables, and on one hand, filtered mud water is circulated back to the fish rough for water replenishing, so that the water conservation efficiency of a conventional gutter channel fish breeding method is greatly improved, and the system has great significances for fish breeding in northern areas in shortage of water.

The invention provides an environmental-friendly circulating drip-irrigation device for trees. An outer barrel is of a cylindrical structure; drip-irrigation holes are formed in the outer barrel; an end cover is arranged on the upper end of the outer barrel; a filter drum is assembled in the outer barrel; a one-way solenoid valve is arranged on the upper end of the end cover, and is assembled with a water pipe; a light sensor is arranged on the upper end position of the end cover; a humidity sensor is arranged on the lower end position of the side face of the outer barrel. The trees are irrigated through adding the drip-irrigation holes on the outer barrel; with the design, the water-saving efficiency is effectively improved; the filter drum located in the outer barrel plays a role in filtering water, so that impurities in water are prevented from blocking the drip-irrigation holes, and thus the cost required for maintaining the environmental-friendly circulating drip-irrigation device is reduced to some extent; in addition, with the design of the light sensor, the detection on external lights is realized; the humidity sensor is used for detecting humidity of the lower end of the outer barrel; the design can conveniently control the one-way solenoid valve to switch on and switch off.

The invention relates to a hydraulic automatic water-saving flushing valve, which includes three parts: a valve body, a valve core and accessories. The valve body includes a sleeve, a drainage hole, a drain hole, a top cover, and a bottom cover. , its role is to fix the valve core and form a water-absorbing space. The valve core includes suction and discharge pipes, valve plugs, floating bodies, sliding bolts, positioning bolts, and drain pipes. The suction and discharge pipes are arranged in the middle of the sleeve and pass through the bottom cover to connect with the upper end of the drain pipe. The valve plug is set on the upper port of the suction and discharge pipe. The floating body is set in the middle of the valve plug and has a through hole for the upper end of the valve plug to pass through and slide with the outside of the valve plug. The accessories include a fixing nut, a lower washer and an upper washer. The invention has the advantages of exquisite design, superior performance, wide application, automatic flushing, adjustable water volume, anti-clogging and filtration, no leakage, convenient installation and use, water saving and high efficiency, solid and durable, easy maintenance and replacement, dual-use of various water qualities, and low production cost , Comprehensive benefits are obvious.

The invention discloses a hydraulic high-efficiency water-saving toilet stool and relates to a water-saving toilet stool. The water-saving toilet stool comprises three systems, namely a main body system, a water tank system and a spray washing system. The main body system comprises a base, a tank body and a urinal; the water tank system comprises a wash-basin, a water accumulating tank and a water quality treatment tank; and the spray washing system comprises a water-saving spray washing device, a sewage intercepting and discharging device and a pedal hydraulic device. The wash-basin is positioned on the upper part of the water tank system and the bottom of the wash-basin is connected with the water accumulating tank; the bottom of the water accumulating tank is connected with the upper part of the water quality treatment tank and is communicated with the water quality treatment tank through a water feeding port; an automatic water-saving interchange valve is arranged inside the wateraccumulating tank; a plurality of layers of nano reverse osmosis filter screens and biological purification chambers are arranged at intervals inside the water quality treatment tank so as to recyclethe reclaimed water or waste water into pure water; the water-saving spray washing device is arranged on one side of the water accumulating tank and a water outlet stop valve which leads the accumulated water into the water-saving spray washing device is arranged inside the water accumulating tank; and the sewage intercepting and discharging device has the functions of directly discharging and stopping backward flowing and realizes spray washing and sewage drain through the pedal hydraulic device. The hydraulic high-efficiency water-saving toilet stool has the advantages of advanced technicalperformance, comprehensive and high-efficiency water conservation, extremely low installation and use cost, wide application and durability.

The invention discloses a water-saving control device for a groove type washroom and a method thereof. The device comprises a detector, a controller and a water-discharging mechanism. The controller is respectively connected with the detector and the water-discharging mechanism through signals, and the controller is provided with a clock controller having a daytime mode and a night mode. The daytime mode and night mode are decided by the time of the clock controller and preset settings. In the control method, firstly, the detector sends a detected human body signal to the controller; then, the controller analyzes and processes the signals detected by the detector and decides when to fill water according to the mode; and at last, the controller sends a water discharging instruct to the water-discharging mechanism. By adopting the invention, the time and the frequency for flushing can bed determined scientifically and reasonably according to time and the number of people entering the washroom, thereby the water resource can be furthest saved under the condition of keeping a washroom clean.

The invention relates to a movable vehicle cleaning system, which comprises a vehicle cleaning water collector, an automatic cleaning machine and a cleaning water recycling cleaning vehicle, wherein the vehicle cleaning water collector comprises four water collection sheets; the automatic cleaning machine comprises a cleaning head mainboard, an annular water pipe, a two-way sprayer, a handle, brush disc base, brush hair, a speed regulation motor and a bottom plate; the cleaning head mainboard is connected with the brush disc base by a connecting buckle and is arranged on the bottom plate; the annular water pipe is arranged on the outer side of the bottom plate and is communicated with the two-way sprayer; the handle is fixedly connected with the bottom plate; the brush hair is arranged on the brush disc base; the speed regulation motor is arranged on the bottom plate and drives the brush disc base to rotate; the cleaning water recycling cleaning vehicle comprises a vehicle body; a control panel is arranged on the vehicle body; and a dust collector, a gasoline generator, a storage battery, a cleaning booster pump, a sewage pump, a turbid water pump, an overflow pump, a detergent foaming device, a sewage treatment system, a turbid water treatment system and a clear water bin are arranged in the vehicle body. By the movable vehicle cleaning system, the problem that vehicles are difficult to clean in large cities is solved, the detergent pollution is avoided, and the water-saving efficiency is high.

The invention discloses a method for improving sod production drought resistance by adopting an enhanced garbage compost microbial agent. The enhanced drought-resistant microbial agent comprises enhanced bacillus cereus, enhanced lysine bacillus and enhanced rhodotorula gracitis in the weight ratio being 1:1:1. Bacillus cereus, lysine bacillus and rhodotorula gracitis are enhanced by gradually increasing concentration of PEG (polyethylene glycol) 6000, in the enhancing process, the concentration of PEG 6000 is gradually increased with increase of OD (optical density) 600 on the gradient of 50g / L and grows towards the ultimate goal of 250g / L; the concentrations of PEG 6000 are 5% (w / w), 10% (w / w), 15% (w / w), 20% (w / w) and 25% (w / w) respectively; after each time of increase of the concentration of PEG 6000 and stable growth increment of thalluses, the concentration of the PEG 6000 is continuously increased, and the drought-resistant mixed microbial flora are enhanced stage by stage. Meanwhile, the invention discloses an application of the enhanced drought-resistant microbial agent in improving biomass of festuca arundinace under the drought stress.

The invention discloses a water-saving natural ventilation cooling tower, which comprises a tower drum with an outlet at the top, a partition wall-type heat exchanger and fans, a herringbone column and a water spraying device. The fans communicate with the partition wall-type heat exchanger, and the partition wall-type heat exchanger comprises an outer wall, a partition plate, wet and hot air passages, heat exchanger walls arranged in the wet and hot air passages and a second air passage composed of the outer wall, the partition plate and the heat exchanger walls. A water-saving method based on the water-saving natural ventilation cooling tower comprises the following steps: S1, making the outside air enter the inside of the tower drum; S2, carrying out first heat exchange to generate wetand hot air; S3, extracting the outside air and enabling the outside air to enter the second air passage to cool the heat exchange walls; S4, performing secondary heat exchange cooling on the wet andhot air and the cooled heat exchange walls, and condensing the wet and hot air to recover evaporated water. The invention solves the problems of large water consumption and large resource consumptionexisting in the prior art.

A sewage filter is composed of a filtering case with backwater tube, a filtering net, a washing unit for secondary filtering and its driver unit, a pressure pump connected to said backwater tube, and a controller with single-chip microprocessor for outputting various control signals for secondary filtering. Said washing unit has vertical tube and internal tube arranged along said filtering net and with nozzles. Its advantages are high automation level and secondary filter function.

The invention provides a biogas slurry high-efficiency water saving system in rice irrigation, and relates to the technical field of rice planting. The biogas slurry high-efficiency water saving system in the rice irrigation comprises a water suction pump; one side of the bottom of the water suction pump is fixedly connected with a water suction pipe; a biogas slurry filtering mechanism is mountedat one end of the water suction pipe, which is away from the water suction pump; a first connection pipe is mounted at one side of the bottom of the water suction pump, which is away from the water suction pipe; one end of the first connection pipe, which is away from the water suction pump, is fixedly connected with a secondary filtering mechanism; one end of a second connection pipe, which is away from the second filtering mechanism, is fixedly connected with a valve control mechanism; a flow diversion mechanism is mounted at one end of the valve control mechanism, which is away from the second connection pipe; and one side of the flow diversion mechanism is connected with a fixed point fertilization mechanism. By designing double filtering mechanisms, the valve control mechanism, the flow diversion mechanism and the fixed point fertilization mechanism, fixed point fertilization on rice seedlings can be completed; meanwhile, by multiple stages of flow diversion, water saving efficiency of the system is greatly improved; and the biogas slurry high-efficiency water saving system in the rice irrigation is valuable to greatly popularize.

The invention relates to an automatic efficient water-waving flush valve comprising a valve body, a valve core and fittings, wherein the valve body comprises a sleeve, a drain hole, a discharge hole, a top cover and a bottom cover; the valve body is arranged at the outer side of the valve core and functions in fixing the valve core and forming a water absorption space; the valve core comprises a suction-discharge pipe, a valve plug, a floating body, a sliding bolt, a positioning bolt and a drain pipe; the suction-discharge pipe is arranged in the middle of the sleeve and penetrates through the bottom cover to be connected with the upper end of the drain pipe; the valve plug is arranged at an upper port of the suction-discharge pipe; the floating body is arranged in the middle of the valve plug; the floating body is provided with a through hole so that the upper end of the valve plug penetrates through the through hole to be in slide fit with the outer side of the valve plug; and the fittings includes a fixing nut, a lower gasket and an upper gasket. The automatic efficient water-waving flush valve is ingenious in design, excellent in performance, wide in application range, automatic in flushing, capable of adjusting the water amount, and preventing stoppage and filtering dirt, and eliminating leakage, convenient and fast to use, water-saving and efficient, firm and durable, easy to repair and replace, compatible with various water qualities, low in manufacturing cost and obvious in comprehensive benefits.

The invention provides a method for reducing soil moisture evaporation by using elm powder. The method comprises the following steps: mixing elm powder into surface soil to obtain soil containing elmpowder with a certain concentration; and adding a certain amount of water according to a preset water content to prepare unsaturated soil to be evaporated. According to the method, the application amount of the elm powder calculated according to the elm powder concentration of 0.01%-0.03% is 9-27 kg / mu, the elm powder is applied to cultivated land soil according to the application amount, and thewater saving efficiency is 10.348%-12.108%. According to the method, the elm powder serves as the soil anti-evaporation additive, the purpose of achieving high water-saving efficiency through the low-concentration additive is achieved, the method has the advantages of being low in cost and small in use amount, and the method further has the advantages of being wide in raw material source, free ofpollution, capable of improving soil fertility, high in stability and the like.

The invention relates to a water-saving pool overlapping high water head ship lock. By means of the technical scheme, according to the technical aims to be achieved by the ship lock, the site area of a large number of water-saving pools is reduced to the minimum, and the difficulty of building the water-saving pools on mountain topographies is greatly reduced. According to the technical scheme, the well type ship lock technology and the water-saving pool overlapping technology are combined, and the combined operation manner of the multiple water-saving pools is carried out.

The invention relates to the field of energy saving of water heaters, in particular to a water-saving device for a water heater. The water-saving device for the water heater comprises a cold water injection pipe and a hot water outlet pipe which are connected to the water heater, wherein the end, far away from the water heater, of the cold water injection pipe is connected with a cold water inletpipe, and a mixed water pipe is connected to the end, far away from the water heater, of the hot water outlet pipe; the end, far away from the hot water outlet pipe, of the mixed water pipe is connected with the cold water inlet pipe, and the mixed water pipe is connected with a water outlet inner pipe; and the cold water inlet pipe is connected with a backflow outer pipe, the water outlet inner pipe is arranged in the backflow outer pipe and is not on the same axis as the backflow outer pipe, and the end, far away from the cold water inlet pipe, of the backflow outer pipe is connected with aterminal water outlet pipe through a backflow device. According to the water-saving device, cold water flowing out when the water heater is just opened cannot be wasted, and waste of the water resource is avoided.

The invention provides a method for cultivating sugar-purpose sweet sorghum in sand wasteland. The method comprises the steps that when a tillage mode of convention planting film mulching or furrow cropping is adopted, wherein a mode of planting two plants in each hole is adopted in order to achieve the purpose of harvesting stalks, a mode of planting one plant in each hole is adopted in order toachieve the purpose of harvesting seeds, and a mode of planting one plant in each hole is adopted in order to achieve the purposes of harvesting both the stalks and the seeds; before planting after the soil is ploughed, 30t / ha farmyard fertilizer is applied as base fertilizer, and then 600kg / ha chemical fertilizer is applied for topdressing, wherein a topdressing method comprises the steps that 30-35 days after seedling emergence, 150kg / ha urea is applied, 225kg / ha compound fertilizer is applied in the jointing period and heading period separately, the total amount of irrigation in the growthperiod is 7,800 t / ha, the amount of film pressing water before sowing is 600 t / ha, irrigation from seedling formation to ending of the growth period is conducted 6 times, and the amount of irrigationevery time is 1,200 t / ha. By means of the method, the sugar-purpose sweet sorghum in the sand wasteland grows and develops well and has a high biological yield, soluble sugar accumulation, seed quality and yield, the water saving efficiency is high, little fertilizer is used, the economic investment is low, the water saving amount can at least reach 2,400 t / ha, and the economic benefits are far higher than those of corn planting.

The invention relates to an automatic efficient water-waving flush valve comprising a valve body, a valve core and fittings, wherein the valve body comprises a sleeve, a drain hole, a discharge hole, a top cover and a bottom cover; the valve body is arranged at the outer side of the valve core and functions in fixing the valve core and forming a water absorption space; the valve core comprises a suction-discharge pipe, a valve plug, a floating body, a sliding bolt, a positioning bolt and a drain pipe; the suction-discharge pipe is arranged in the middle of the sleeve and penetrates through the bottom cover to be connected with the upper end of the drain pipe; the valve plug is arranged at an upper port of the suction-discharge pipe; the floating body is arranged in the middle of the valve plug; the floating body is provided with a through hole so that the upper end of the valve plug penetrates through the through hole to be in slide fit with the outer side of the valve plug; and the fittings includes a fixing nut, a lower gasket and an upper gasket. The automatic efficient water-waving flush valve is ingenious in design, excellent in performance, wide in application range, automatic in flushing, capable of adjusting the water amount, and preventing stoppage and filtering dirt, and eliminating leakage, convenient and fast to use, water-saving and efficient, firm and durable, easy to repair and replace, compatible with various water qualities, low in manufacturing cost and obvious in comprehensive benefits.

The invention relates to a stereoscopic landscape device based on human settlement environment space. The device includes a water storage box, and the upper portion of the water storage box is dividedinto a water storage region and a power bin through a partition plate. The top surface of the power bin is provided with an eccentric scalene cone, the bottom of the eccentric scalene cone is connected with a first flow guide pipe, and the first flow guide pipe is communicated with the water storage box; the upper end of the water storage box is provided with a drainage device used for rainwatercollection, the drainage device is higher than the eccentric scalene cone, and a flow guide surface can stretch and retract. An annular installation body sleeves the outer side of the water storage box. The top of the installation body is fixedly connected with the drainage device used for rainwater collection, the surface of the outer side of the installation body is fixedly connected with several planting pots, the planting pots are communicated with a second flow guide pipe through a third flow guide pipe, and the second flow guide pipe is spirally and fixedly fixed between the inner wall of the installation body and the outer wall of the water storage box. A high-level water inlet of the second flow guide pipe is connected with a water pump in the water storage box through a fourth flow guide pipe, and a low-level water inlet of the second flow guide pipe is communicated with the water storage box through a fifth flow guide pipe. Water can be reused, and the water saving efficiencyis improved.

The invention discloses a toilet device special for train locomotive driving. The toilet device comprises a compressed air pump, foaming boxes, a pedestal pan and a biochemical tank provided with microbial species, the foaming boxes are arranged on two sides of the pedestal pan, the pedestal pan is provided with a human body infrared sensor and a controller, foaming liquid adding ports and foamingliquid outlets are formed in the box walls of the foaming boxes, foam generators are arranged in the foaming boxes, and the foam generators are internally provided with air dispersing devices; and the compressed air pump is connected with the air dispersing devices through air pipes, the foaming liquid outlets communicate with a flushing hole in the pedestal pan, the bottom of the pedestal pan communicates with the biochemical tank, and the human body infrared sensor and the compressed air pump are connected with the controller. The toilet device is compact in structure, reasonable in arrangement and small in occupied space, and solves the problem that steward is difficult to go to the toilet, the foam flushing is used for replacing traditional water flushing, the water saving efficiencyis up to 99%, the microbial bacteria biochemical box is used for degrading feces, and the toilet device is clean and environmentally friendly.

The invention relates to the field of energy saving of water heaters, in particular to a water saving device for water heaters. A water-saving device for a water heater, comprising a cold water injection pipe and a hot water outlet pipe connected to the water heater, the end of the cold water injection pipe far away from the water heater is connected to the cold water inlet pipe, and the end of the hot water outlet pipe far away from the water heater One end of the mixing water pipe is connected with a mixing water pipe, and the end of the mixing water pipe far away from the hot water outlet pipe is connected with the cold water inlet pipe. , the inner outlet pipe is arranged inside the outer return pipe and is not on the same axis as the outer return pipe, and the end of the outer return pipe away from the cold water inlet pipe is connected to a terminal outlet pipe through a return device. The invention does not waste the cold water that flows out when the water heater is just turned on, and avoids the waste of water resources.