103results about How to "Realize the purpose of saving water" patented technology

The invention provides a water-saving drum washing machine comprising an outer drum, an inner drum disposed in the outer drum and a water inlet pipeline communicating with the inner drum. The inner drum and the outer drum are installed on a central shaft coaxially. The inner drum is a holeless inner drum. The inner wall of the inner drum is provided with a plurality of lifting devices; the central shaft is internally provided with a hollow structure; the water inlet pipeline and the lifting devices communicate with the hollow structure. The lifting devices are provided with a plurality of water outlets. The technical objective of saving water is mainly achieved by using the holeless inner drum and making the space between the inner drum and the outer drum free of water in a washing process. Since the holeless inner drum is used, the structure of the water-saving washing machine is redesigned for water feeding and water drainage of the washing machine; further a water feeding and drainage system, a washing and spinning system and an airing drying and drying system are improved.

The invention discloses a coal-fired power plant flue gas heat regenerative system and an energy-saving water-saving ultra-clean discharging method. The temperature of the flue gas is reduced to about 90-110 DEG.C through a low-temperature coal economizer, and the recycled flue gas heat heats primary and secondary wind entering a boiler through a steam air heaters, so that the first stage of heat regenerative cycles is achieved. The temperature of the flue gas at the outlet of a desulfurization tower is reduced to 30-40 DEG.C through a vacuum flash evaporation and solidification device and a low-temperature heat pump heat exchange device, and a part of water vapor of the flue gas is condensed and collected, so that water is saved. The low-temperature heat pump heat exchange device absorbs the latent heat released in flue gas sensible heat and condensation processes, and dry as-fired coal and air are heated, so that the second stage of heat regenerative cycles is achieved. A boiler slag discharge system recycles the waste heat of heat slag, and the as-fired coal is heated, so that the third stage of heat regenerative cycles is achieved. When the waste heat is not used up, the remained waste heat can be utilized, so that energy is saved. Low-temperature desulphurization slurry led out from the vacuum flash evaporation and solidification device is injected into the desulfurization tower, so that the desulphurization efficiency is improved, and an ultra-clean discharging objective is achieved.

The invention discloses a connecting bedpan. It contains a bedpan ring, a water distributing pore, a water-sealed ring, a guiding plate, the inside of the bedpan ring, the water inlet, the bedpan bottom and the bedpan outlet. The bedpan ring, the inside of the bedpan ring and the bedpan bottom form the water-sealed ring which communicates with the water distributing pore on the upper part inside the bedpan ring. The water-sealed ring always has full water to assure the effective transition of the water pressure. It can avoid wasting two or three liter water of the existing setting or squatting pan while beginning or closing flushing. It specially resolves the unsatisfied flushing effect caused by the limited high-pressure water of the high-pressure tank.

The invention discloses a running water faucet having the functions of electricity generating, water saving and water mixing. The faucet adopts an ejector to speed up the flow to push the water wheels of a water wheel generator to rotate, so that the generator can generate electricity, then can charge the storage battery by a control circuit without a voltage booster circuit; the storage battery facilitates a jacklight and an ozone generator to work by the control circuit; the ejector automatically add liquid soap by generating a suction force; the flow continues after the faucet is closed, which realizes the water saving function. The faucet consists of a fixing nut, an ejector, a jet pipe, a water efficient head, a water wheel generator, an ozone generator, a jacklight, a disinfectant liquid soap box, a storage battery and a shell. The faucet can generate DC more than 10V when the urban running water supply pressure is the lowest; a common storage battery can be charged without boosting voltage, so that a voltage booster circuit is unnecessary to be provided; thus multi-functions such as electricity generating, water saving, water mixing and the like can be achieved; the faucet is applicable to the technical field of running water energy redevelopment.

The invention discloses a bucket-free water-saving water purifier, relates to a water-saving water purifier, in particular relates to a water purifier by adopting a reverse osmosis membrane and a nanofiltration membrane and belongs to the field of water purification. The problems that a wastewater ratio is large, water is wasted, a pressure water storage bucket is needed to be arranged and different water quality requirements of household water for kitchen and life drinking water cannot be simultaneously met in a conventional water purification machine or water purifier are solved. The water purifier comprises an N-stage primary filtering device, a booster pump, a permeable membrane component system and a control circuit box, wherein the permeable membrane component system is in a two-section combined mode; a water purification pipeline and a flushing pipeline of the primary filtering device are arranged. The water purifier is used for purifying running water.

The invention provides a method for remedying soil heavy metal pollution, improving saline and alkaline land and recycling microalgae for resource utilization through a multi-pond-alga water circulation irrigation system, and belongs to the field of soil remediation and resource utilization. Through the interaction of man-made ponds, microalgae and soil, a pond-microalga combined remediation system is adopted as the core, the soil is prepared and domesticated to remedy the microalgae, the multiple ponds are used for collecting rainwater, the microalgae are cultivated and subjected to expandingpropagation, and the microalgae are sprayed to the field; through circulation irrigation, multi-time spraying and alga water recycling, heavy metal in the polluted soil is taken away, the salinity ofthe soil is reduced, the nutritional ingredients of the soil are improved, and the soil fertility is restored; the microalgae are harvested through the method of pond enrichment and flocculation andaeration, the alga charcoal preparation process is utilized through combination, and resource utilization is achieved; and the system achieves automatic control through a sensor, a PC and a control component. The remediation method comprises a heavy metal / saline and alkaline land remediation microalga cultivation system, a water collection system, an intelligent spray irrigation unit, a microalgarecycling system and a microalga resource utilization system.

The invention discloses a water level fixing pressure-guiding bedpan, which includes a bedpan loop, water distribution holes, water storing loop, a water guiding board, bedpan loop inner side, water inlet, bedpan bottom, bedpan outlet, water level fixing pipe and water level fixing pipe orifice, wherein the bedpan loop, the bedpan loop inner side and the bedpan bottom form the annular water storing loop, and the water level fixing pipe orifice controls height of water stored in the water storing loop. The invention reduces water pressure drop generated in washing process for empty pipe, eradicates disadvantage that present pedestal pan and squatting pan waste two or three liters of water for each washing, and especially solves problem that the pressure-guiding bedpan is easy to corrode because the water storing loop is full of water.

The invention relates to a method for dyeing a fabric by using a reactive dye and soaping the fabric dyed by the reactive dye, and equipment. A hydrolyzed reactive dye in dyeing and soaping liquid is decolorized by a decolorizing technology and then recycled. According to the method, a decolorizing device is connected with soaping equipment in the dyeing and soaping processes, the soaping liquid is forced to pass through the decolorizing device and be subjected to a closed cycle in a dye vat and the decolorizing device during dyeing and soaping, the hydrolyzed dye which is eluted from the fabric in the soaping liquid is continuously adsorbed or decomposed by the decolorizing device, and the eluted hydrolyzed dye is completely removed after the cycle is performed for a certain period of time, so that the process of soaping the fabric dyed by the reactive dye is finished. The used equipment comprises reactive dye dyeing equipment and the hydrolyzed dye decolorizing device which are connected in series with each other, wherein the hydrolyzed dye decolorizing device is provided with an on-line automatic control system which automatically controls the operation of a cycle decolorizing system through a signal output by a chroma detector in the dyeing equipment. The method has the advantages of water and energy conservation, low operation cost and the like.

The invention discloses a humidification and evaporation cooling type fan-coil unit based on photovoltaic driving. The humidification and evaporation cooling type fan-coil unit based on the photovoltaic driving is composed of a humidification and evaporation cooling type fan-coil device and a solar photovoltaic power generation system which are connected together. According to the humidification and evaporation cooling type fan-coil unit based on the photovoltaic driving, by means of the humidification and evaporation cooling type fan-coil device arranged in the interior, the needs of multiple seasons can be met, cooling or heating can be achieved, and meanwhile humidification can be achieved; the requirement of human bodies for comfortability is met, operation of the unit is driven by renewable solar energy, and the purpose of saving energy is achieved.

The invention provides a deep smoke purification system for removing smoke plume through waste heat and a method of the system, and belongs to the field of environmental protection. The problems of anexisting method are solved that the resistance of a smoke channel is large, the running and investment cost is high, and only visual pollution can be solved. A smoke outlet of a boiler is sequentially connected with a smoker cooler, a dust remover, a desulfurizing tower, a smoke condenser, a steam reheater and a chimney; condensation circulation water at a condensation circulation water outlet ofa cooling tower / induced draft tower flows back to the cooling tower / induced draft tower through a smoke condensation circulation water pump and the smoke condenser; a cooling circulation water outletof a condensate heater is connected with a cooling circulation water inlet of the smoke cooler, and a cooling circulation water outlet of the smoke cooler is connected with a cooling circulation water inlet of the condensate heater; a condensate forming branch, entering an eighth lower heater, in the boiler is connected with a condensate inlet of the condensate heater, a condensate outlet of thecondensate heater is connected with a condensate outlet of a seventh lower heater, and a condensate outlet of the eighth lower heater is connected with a condensate inlet of the seventh lower heater;a condensate outlet of the steam reheater is connected with a condensate system.

The invention provides a water control and fertilizer control method for eucalyptus seedlings. By selecting proper root control devices used as potting contains and manufacturing special potting bottoms, root systems are prevented from penetrating into soil via the bottoms and soil steam is prevented from infiltrating into soil in the root control device containers to influence manual control conditions; effective water resistance, water control and nutrient control are realized through the technical means of white and black films and on-pipe type pressure compensation drippers; the volumetric water content of soil moisture can be rapidly measured by using a TDR 300 soil moisture analyzer, and the volumetric water content can better reflect the actual soil moisture content. The water control and fertilizer control method for eucalyptus seedlings can provide a complicated growth environment for the cultivation of eucalyptus seedlings; by combining the effective control of moisture and nutrients, the method realizes effective adjustment of the physiology of nursery stocks; the water and fertilizer coupling physiological effect of the nursery stocks can be further known, and primal parents of eucalyptus capable of adapting to complicated environment can be bred.

The invention discloses a sequential control water saving toilet stool, comprising a water tank, a flushing device, a urinal and a timing controller. The water tank is provided with two flushing devices, one comprising a flushing valve and a pressure flushing pipe while the other comprising a lower pressure water pump and an assistant flushing pipe. The urinal is provided with a water retaining edge and a water guide edge around the inner edge of the urinal. The pressure flushing pipe and the assistant flushing pipe are guided to the water retaining edge and the water guide edge to form a flushing guide groove; the flushing valve is driven by a servo mechanism. The timing controller is connected electrically with the servo mechanism and the low pressure water pump. The timing controller is matched with a contact switch on the urinal. The timing controller provided by the invention starts the contact time by identifying the contact switch so as to control the pressure flushing device and the low pressure flushing device. Defecate types are differentiated through the time of the contact switch to flush respectively in urination and defecate modes. Water used to flush urination is about 0.8-1.0L and that to flush defecate is about 1.8-2.0L so that the water is saved remarkably.

The invention discloses a gas-liquid separating drum for flue gas dewatering, a dewatering device and a system. A plurality of openings are formed in the wall of the gas-liquid separating drum, liquid drops are thrown to the wall, then transferred to the outer wall of a drum body from the inner wall of the drum body through the openings and separated from gas in flue gas, a flue gas guide device is arranged on the lower portion of the gas-liquid separating drum, the structure of the flue gas guide device is simplified by design of spiral toothed sheets, and running stability of the device is improved. The collected liquid drops are drained by a diversion port in a collecting tank, and liquid is recycled.

The invention discloses a sewage circulation water-saving device and method for a commercial cleaning robot. The device comprises a sewage tank, a clear water tank and a brush disc; the sewage tank is used for temporarily storing ground sewage; the sewage in the sewage tank enters a filtering water tank through a filtering device; water outflow pipelines of the filtering water tank and the clear water tank are communicated with a water outflow main pipe through a three-way valve; the water outflow main pipe is communicated with the brush disc; a liquid level sensor is arranged in the filtering water tank; an electromagnetic valve A is arranged on a water outflow pipeline of the filtering water tank; an electromagnetic valve B is arranged on a water outflow pipeline of the clear water tank; and the liquid level sensor, the electromagnetic valve A and the electromagnetic valve B are all electrically connected with a central controller. According to the water-saving device, on the basis of the signal indication of the liquid level sensor arranged in the filtering water tank, the central controller switches the clear water tank or the filtering water tank in turn to supply water, and the water-saving device does not need to frequently add water and treat sewage and ensures that water in the clear water tank is not polluted.

The invention provides a water-saving toilet bowl which comprises a basin body of the toilet bowl and a linkage opening-closing device, wherein the linkage opening-closing device is equipped with a linked control switch; the control switch can open a water inlet valve in a water inlet device through a transmission mechanism, and meanwhile the switch is linked with a switch of a blowdown controller; and the water inlet device is equipped with a restoring mechanism whereby the water inlet valve can be restored to a closing state. In the invention, a blowdown outlet is designed in a back row; the basin body at the blowdown outlet stretches backwards in a protruding way; the blowdown controller is connected in the protruding position; the blowdown controller is fixed in the protruding position of the basin body through a tightening ring support; and a blowdown valve in the blowdown controller is directly arranged at the protruding blowdown outlet of the basin body, and odor in a blowdown straight-falling pipe can be isolated only by a small quantity of water, thus achieving the purposes of deodorizing and saving water.

The invention relates to a method for adjusting and controlling florescence irrigation amount based on the precipitation amount from winter wheat jointing to a flowering stage and belongs to the technical field of crop irrigation. According to the method, irrigation is not performed in a filling period before winter wheat overwintering on the basis of adoption of a water-saving and drought-resistant variety, improvement of soil preparation and sowing quality, sowing with enough moisture, later sowing in a suitable phase, compactness after sowing and cultivation of strong seedlings before winter, the water irrigation amount in a jointing phase is 50-60 m<3> / mu, and the water irrigation amount in the flowing phase is adjusted and controlled based on the precipitation amount from jointing to the flowering stage. When the precipitation amount is not lower than 25 mm, irrigation is not needed, the output reduction extent can be controlled to 10% or below. When the precipitation amount is lower than 25 mm, the precipitation amount is 40-50 m<3> / mu. In addition, irrigation is not needed before overwintering and in the filling period. The method can be widely applied to a winter wheat planting system in the North China region, has the dual effects of yield stabilizing and water saving and has the very important significance on guarantee of grain production in the region and relieving of over exploitation of underground water.

The invention discloses a vacuum water-saving public toilet, comprising a vacuum toilet, a urinal, a clean water tank, a gray water tank, an intermediate tank and a vacuum sewage tank, wherein the gray water tank is configured to receive water drained from a wash basin and treat the drained water for flushing the vacuum toilet and the urinal; the clean water tank is configured to provide hand washing water, and to provide clean water for flushing the vacuum toilet and the urinal when the water in the gray water tank is insufficient; the intermediate tank is configured to receive and temporarily store sewage from the urinal, and discharge the sewage to the vacuum sewage tank when a certain amount of sewage is accumulated; the vacuum sewage tank is configured to have a certain degree of vacuum and suck sewage in the vacuum toilet and the intermediate tank in vacuum. The vacuum water-saving public toilet can reduce the water consumption of public toilets, improve the utilization rate of waste water, avoid the overflow of odor in the sewage tank, and effectively improve the toilet environment.

The invention discloses a control circuit for a water saving device of a solar water heater and relates to an electronic control circuit. The control circuit comprises a power source circuit, a signal input end port, a comparator circuit, a processing circuit and an execution circuit. The power source circuit is composed of a rectifier transformer, a rectifier diode a, a rectifier diode b, a filter capacitor a, a voltage-stabilization integration block and a filter capacitor b. The signal input end port comprises a water flow signal input end, a water temperature signal input end, a water level signal input end, a manual input end, an interlocking signal input end a and an interlocking signal input end b. The comparator circuit is composed of a divider resistor, an AND gate a and an isolation diode a. The processing circuit comprises a full-bridge circuit, an AND gate b, an isolation diode b, a transmission gate, a NOT gate and a door c. The execution circuit comprises a bidirectional silicon controlled rectifier a, a triode, a catching diode, a relay, a bidirectional silicon controlled rectifier b and a control output end. The control circuit is matched with the water saving device of the solar heater so as to recycle cold water in the bottom of a heat insulation water tank and a hot water pipe by an intelligent control mode.

The invention relates to an all-weather smoke white plume eliminating system based on smoke waste heat and solar complementation. The all-weather smoke white plume eliminating system comprises a boiler, a desulfurizing tower, an organic Rankine cycle system, a smoke cooling system and a smoke reheating system, wherein the boiler is connected with an inlet of the desulfurizing tower through an inlet duct of the desulfurizing tower, the organic Rankine cycle system is connected to the inlet duct of the desulfurizing tower, and smoke generated by boiler combustion passes through the organic Rankine cycle system and then enters the desulfurizing tower through the inlet duct of the desulfurizing tower; an outlet of the desulfurizing tower communicates with a chimney through an outlet duct of the desulfurizing tower; and the smoke cooling system and the smoke reheating system are connected to the outlet duct of the desulfurizing tower in sequence. Three subsystems including the organic Rankine cycle system, the smoke cooling system and the smoke reheating system through smoke waste heat generation are organically and complementarily coordinated into operation, so that electric energy required for the operation of the smoke reheating system and the smoke cooling system is supplied in all weather, visual pollution caused by white smoke plume can be eliminated in all weather, additionally, water and energy are saved, and pollutants such as fine particles and the like can be coordinated to remove.

A water-saving squatting pan comprises a basin body of the squatting pan, a flushing water tank and a linkage opening and closing device, wherein the linkage opening and closing device is provided with a linkage control switch, and the control switch can open a water inlet valve of a water inlet pipe in the flushing water tank through a transmission mechanism and is linked with the closing and opening of a drainage controller. The flushing water tank is provided with a return mechanism capable of returning the water inlet valve to a closed state, and the transmission mechanism is connected with the return mechanism by a pull wire. A drainage port is designed at the rear row, the basin body of the drainage port is backwards extended and protruded, the drainage controller is connected to the protruded part, namely the drainage controller is fixed on the protruded part of the basin body through a tightening bracket, and the drainage valve in the drainage controller is directly arranged at the raised drainage port of the basin body; therefore, the water-saving squatting pan only needs a little amount of water for flushing, can isolate the peculiar smell of a drainage direct drop pipe, plays a role in deodorization, and achieves the purpose of saving water.

The invention discloses an automatic flow control water-saving valve, which comprises a valve body with a raised external contour taking the shape of 'tu' (Chinese character); the valve body is vertically provided with a cavity channel communicating a water inlet and a water outlet; a flexible baffle with at least one part covering the water inlet is arranged below the water inlet at certain interval; a clearance between the flexible baffle and the water inlet is step-like; the water inlet is at the smaller end; a lateral water inlet clearance is formed between the flexible baffle and the water inlet; a limiting slot is arranged above and matched with the flexible baffle; a raised blocking column or frustum of a cone or multidimensional frustum of a prism is upwards arranged on the valve body. The water-saving valve compresses the water entering area of the water inlet channel by the deformation of the flexible baffle when a set water pressure is exceeded, thereby reducing flow and realizing the purpose of saving water. The valve body adopts integrated casting and has simple structure, convenient use and low cost.

The invention discloses a water-saving-type flush toilet water inflowing and draining opening and closing device, and particularly relates to a water-saving-type flush toilet water inflowing and draining opening and closing device controlled by hydraulic transmission. A hydraulic transmission control device is connected with a water inflowing control device and a sewage discharging opening and closing device through a valve body three-way pipe. The sewage discharging opening and closing device comprises a sewage discharging opening and closing valve body. The upper end of the sewage discharging opening and closing valve body is fixedly connected with a supporting plate through a screw. A sewage discharging hydraulic cylinder body is hinged to a support at the right end of the supporting plate. An opening and closing piston is installed inside the sewage discharging hydraulic cylinder body. The upper end of the opening and closing piston is hinged to a rocker arm. The rocker arm is hinged to the right side of the supporting plate. The lower portion of the rocker arm is provided with a sealing rubber plate. The sealing rubber plate is tightly attached to the right side of a sewage inflowing sleeve which is installed on the left side of the sewage discharging opening and closing valve body. A tension spring is arranged between the rocker arm and the screw. The upper end of the sewage discharging hydraulic cylinder body is connected with a locking cover. A liquid inlet of the sewage discharging hydraulic cylinder body is communicated with the lower end of the valve body three-way pipe through a connecting hose. According to the water-saving-type flush toilet water inflowing and draining opening and closing device controlled by hydraulic transmission, the hydraulic transmission and the lever principle are adopted at the same time to control water draining and water inflowing, the structure is simple, the design is reasonable, and the water-saving-type flush toilet water inflowing and draining opening and closing device is practical and reliable.

The invention discloses a bucket-free water-saving water purifier, relates to a water-saving water purifier, in particular relates to a water purifier by adopting a reverse osmosis membrane and a nanofiltration membrane and belongs to the field of water purification. The problems that a wastewater ratio is large, water is wasted, a pressure water storage bucket is needed to be arranged and different water quality requirements of household water for kitchen and life drinking water cannot be simultaneously met in a conventional water purification machine or water purifier are solved. The water purifier comprises an N-stage primary filtering device, a booster pump, a permeable membrane component system and a control circuit box, wherein the permeable membrane component system is in a two-section combined mode; a water purification pipeline and a flushing pipeline of the primary filtering device are arranged. The water purifier is used for purifying running water.

The invention discloses an automatic water-saving tap. The tap comprises a tap shell, a ceramic valve plug water control valve, a water control valve handle, a tap water inlet and a tap water outlet, wherein a main water-saving valve water outlet is arranged on a tap water nozzle inner partition; a secondary water-saving valve water outlet is arranged in the bottom of the inner wall of a piston-shaped main water-saving valve water outlet block cover; when the hands hold water below the tap water outlet for washing the face, the fingers push a water-saving valve button, the secondary water-saving valve water outlet is opened first, the pressure above the piston-shaped main water-saving valve water outlet block cover disappears, the main water-saving valve water outlet can be easily opened and water flows out of the tap water outlet, and the fingers leave the water-saving valve button, the secondary water-saving valve water outlet and the main water-saving valve water outlet are closed and the water stops flowing out of the tap water outlet, thus achieving the aim of conveniently saving water with ingenious and simple structure.

The invention provides a water-saving squatting pan. The squatting pan comprises a pan body (1) of the squatting pan, a flush tank (2) and a linkage opening and closing device, wherein the linkage opening and closing device is provided with a linked control switch (3); the control switch can open a water inlet valve of a water inlet pipe in the flush tank (2) through a transmission mechanism, and is linked with the closing and opening of a discharge controller (4); the flush tank is provided with a reset mechanism which can lead the water inlet valve to return to a close state. Compared with the prior art, the discharge port of the invention is designed into back discharging, the pan body of the discharge port is extended to raise backwards, the discharge controller is connected on the raised position, the discharge controller is fixed on the raised position of the pan body through a locking support so as to change the course of the discharge channel and shorten the volume of required accumulated water for preventing odor, which means that the discharge valve in the discharge controller is directly arranged on the raised discharge port of the pan body to isolate foreign odor of a discharge vertical drop pipe with little water, thereby not only playing the role of preventing odor, but also realizing the aim of water saving.

The invention relates to a water-saving toilet, which comprises a basin body (1). The basin body (1) is provided with a water inlet (11) and a sewage draining port (12), the water inlet (11) is connected with a water feeding device, and the sewage draining port (12) is communicated with a sewage draining pipe. The water-saving toilet is characterized in that the sewage draining port (12) is arranged on the bottom surface of the basin body (1) and is connected with a sewage-draining vertical downpipe (3) with the opening thereof facing downwards, and a sewage drainage controller is arranged on the sewage-draining vertical downpipe (3). Compared with the prior art, the invention only needs a small amount of water to completely flush excreta. Moreover, when the sewage drainage controller adopts two valves, the odor of the sewage-draining vertical downpipe can be eliminated more easily, thereby effectively realizing the function of deodorization. In addition, since the sewage draining port is arranged on the bottom surface of the basin body and is connected with the vertical downpipe with the opening thereof facing downwards, only small installation space is needed, and the excreta can be discharged into the vertical downpipe even if the excreta is not flushed by water, thereby eliminating the problem that the pipeline can be blocked by the excreta. Therefore, the invention is a very practical product and is worth promotion and application.

The invention discloses an automatic water-saving faucet, which comprises a faucet shell, a ceramic valve core water control valve, a water control valve handle, a faucet water inlet and a faucet water outlet; a main water-saving valve water outlet is formed in the internal partition of a faucet spout; a secondary water-saving valve water outlet is formed in the bottom of the internal wall of a piston shaped baffle cover of the main water-saving valve water outlet; when a user uses two hands to catch water under the faucet water outlet for washing the face, a water-saving valve button is pointed by a finger, and the secondary water-saving valve water outlet is firstly opened, the pressure on the piston shaped main water-saving valve water outlet baffle cover disappears, thus, the main water-saving valve water outlet can be opened easily, and water flows out from the faucet water outlet; and when the finger leaves the water-saving valve button, the secondary water-saving valve water outlet and the main water-saving valve water outlet are closed, the faucet water outlet stops water. According to the automatic water-saving faucet provided by the invention, the smart and simple structure of the faucet is adopted to reach the purposes of convenience and water saving.

The invention relates to a self-absorbing full automatic water saving device of a squatting pan, aiming at solving the problem of high water consumption and failure in normal operation under low water pressure and unstable water pressure. The device comprises the squatting pan, a hydrosphere device and a self-absorbing connector; wherein the squatting pan is connected with the hydrosphere device by a flushing pipe and a flushing valve and the hydrosphere device is connected with a running water pipe by the self-absorbing connector and a one-way valve. A water inlet is arranged at the rear end of the squatting pan, a flushing nozzle is arranged in front of the water inlet, a spray flushing hole is arranged in the middle of the flushing nozzle, two side flushing holes of a flushing groove which directs at the two sides of the squatting pan and is arranged between the side wall of the squatting pan and a baffle of the flushing groove are respectively arranged at the two sides of the flushing nozzle. The device can automatically suck air in a convenient and reliable way, increase flushing pressure by stored air pressure and replace running water with air partially to ensure normal operation when the water pressure is unstable and the water pressure is low, thereby realizing the goal of water saving; meanwhile, the device has the advantages of no need for electricity, large thrust, convenient installation and long service life; in addition, by improving configuration mode of the flushing nozzle of the squatting pan, the effects of water saving and flushing optimizing can be enhanced.

The present invention is one kind of toilet including one closet and one cistern connected via water pipe. The closet consists of one support, one inner bowl with ring water pipe connected to pressure water source, and one closing mechanism. The closing mechanism closes the upper part and the lower part of the bowl and has short pipes, lower closing board and weight block. The toilet set has low water consumption and convenient use.

The invention discloses a water saving ditch construction method for a sand land, and belongs to the technical field of agriculture. The method comprises the following steps: selecting a land, paying off, digging a water saving ditch, drilling permeation holes in soil on two sides of the water saving ditch, paving an isolation layer in the water saving ditch, digging a collecting gutter and a water storage pool, paving filter plates in the water saving ditch and the collecting gutter, finishing surface soil on two sides of the water saving ditch, and mulching films on the surface soil on two sides of the water saving ditch. According to the water saving ditch construction method, rainwater can be collected, and water permeated from the soil can be still collected; by the horizontal permeation holes, the salt content of the sand land is reduced; the bottom of the water saving ditch is mechanically reinforced, and the top of the water saving ditch adopts a slope, so that the stability of the water saving ditch is guaranteed; the filter plates and a non-woven filter material are paved on the water saving ditch, so that water can be filtered, direct solar radiation can be reduced, and evaporation can be reduced; the filter plates are covered with wheat straws, so that water evaporation is reduced, scouring to the water saving ditch due to the rainwater can be reduced, and the stability of the water saving ditch is guaranteed; and the slope is covered with a film, so that water evaporation can be reduced, and water retention, fertilizer retention and temperature rise are facilitated.