52results about How to "Avoid water waste" patented technology

The invention relates to a washstand, in particular to a public art fountain washstand. The technical problem to be solved by the present invention is to provide a public artistic fountain-type washstand that can spray multiple water columns in multiple directions and is more beautiful. In order to solve the above-mentioned technical problems, the present invention provides such a public art fountain-type washstand, which includes an installation frame, an annular pipe, a small nozzle, a high-pressure water inlet pipe, a first valve, etc.; the top of the installation frame is connected with an annular pipe , the inner side of the annular pipe is evenly connected with a small nozzle, the bottom of the annular pipe is connected with a high-pressure water inlet pipe, the high-pressure water inlet pipe is provided with a first valve, the left side of the first valve is connected with a switch mechanism, and the switch mechanism is connected with the installation frame. The present invention is first provided with a switch mechanism, which achieves the effect of opening the first valve through the switch mechanism, spraying water through the high-pressure water inlet pipe, making the water flow into the annular pipe, and then spraying inward through the small nozzle.

The invention discloses a water saving device for landscaping. The device comprises an information management platform, a landscape environment monitoring device and an automatic irrigating device, wherein the information management platform is correspondingly connected with the landscape environment monitoring device and the automatic irrigating device through wireless network; the landscape environment monitoring device comprises a superficial soil humidity sensor, a deep soil humidity sensor and a soil temperature sensor; the information management platform comprises a weather predicting module. With the adoption of the device, the humidity of soil in different depth can be detected; water can be irrigated based on the weather change. Therefore, the water saving and the irrigating as required can be achieved.

The invention discloses a lower spraying laminar flow cooling device. The device comprises a plurality of groups of lower spraying devices, wherein each group of lower spraying device comprises a collecting pipe, two plunger pipes, two plungers and two U-shaped covers; the collecting pipe is fixedly arranged along a direction vertical to the operation direction of strip steel; a plurality of goose neck spray pipes are uniformly distributed on the collecting pipe along the axial direction; the two plunger pipes are fixedly arranged above the two ends of the collecting pipe respectively, pass through the plurality of goose neck spray pipes which are uniformly distributed at the two ends of the collecting pipe respectively, divide the goose neck spray pipes into upper nozzles and lower spraypipes, and are communicated with the upper nozzles and the lower spray pipes of the goose neck spray pipes through a plurality of through holes; the two plungers are arranged in the two plunger pipesrespectively; the two U-shaped covers are covered outside the two plungers in a mode that openings are downward; and the plungers are connected with driving devices through the U-shaped covers, so that movement in the axial direction is realized, the through holes are blocked, and cooling water quantity is adjusted.

The invention provides a water-saving faucet, and belongs to the technical field of engineering elements. The water-saving faucet solves the problems that an existing water-saving device is inconvenient to operate and instable in use performance, and normal use is affected. The water-saving faucet comprises a faucet body. A water storage barrel is fixed into the faucet body, and a movable core assembly and a compression spring are arranged in the water storage barrel. A pull rod penetrates through the faucet body, one end of the pull rod is connected with a handle, and the other end of the pull rod is connected with a valve element. The other end face of the pull rod can abut against the movable core assembly, an adjusting structure is arranged in the movable core assembly and provided with an adjusting rod, and the adjusting rod penetrates through the pull rod to be connected with an adjusting hand wheel. The water-saving faucet further comprises a one-way communicating structure which can only make a medium in an inner cavity of the water storage cavity flow to a water inlet channel. According to the water-saving faucet, water flow can be controlled regularly and quantitatively, waste of water resources is avoided, and time of customers for waiting for water injection is saved.

The invention relates to a spraying device with an automatically adjusted spray angle, comprising a shell, a rotator, a rotator fixing shaft, a rotator return spring, a rotator spray nozzle, a rotator spacer, a rotator spray nozzle baffle, a fixing screw cap of the rotator spray nozzle baffle, a spherical base, a moveable spray nozzle, a shell movable connection screw cap, a positioning spring, a positioning spring spacer, a guide frame and a guide frame fixing seat. When water flows into a water inlet pipe, the rotator which is acted by water sprayed by the rotator spray nozzle counterclockwise rotates around the shaft line of the shell; and acted by the distortional elastic force of the return spring, the rotator clockwise rotates, and the motions are carried out repeatedly so as to push the shell to rotate clockwise. The guide frame restrains the movable end of the moveable spray nozzle to slide along the curved line of the guide frame so as to continuously adjust the spray angle and to change the water spraying distance. The rotator spray nozzle baffle enables the water spraying distance of the rotator spray nozzle to be smaller than the shortest spraying distance of the moveable spray nozzle. By replacing the guide frames with different curved lines, different plane shapes, such as circles, quadrangles, sectors, and the like can be formed by spraying.

The invention discloses a water purifying machine and a method of improving water quality during restarting of the machine. The water purifying machine includes a reverse osmosis water treatment system, which comprises a first reverse osmosis filter core and a second reverse osmosis filter core. A raw water pipeline of the first reverse osmosis filter core is provided with a first water flow switch and a filtered water pipeline of the first reverse osmosis filter core is provided with a second water flow switch. A pure water port of the first reverse osmosis filter core is connected to a raw water port of the second reverse osmosis filter core through a pipeline. A raw water pipeline of the second reverse osmosis filter core is provided with a fourth water flow switch and a filtered water pipeline of the second reverse osmosis filter core is provided with a fifth water flow switch. A pure water port of the second reverse osmosis filter core is connected to the raw water port of the first reverse osmosis filter core through a pipeline, on which a sixth flow switch is installed. By means of the structure, the water quality during restarting of the water purifying machine is greatly improved, so that the water purifying machine not only avoids water waste but also allows users to get water conveniently.

The invention discloses a method for controlling ultrafiltration element pollution in water treatment and relates to the field of purification treatment of used water. A pretreatment process is addedin an existing reverse osmosis water purification technology, and meanwhile, an ultrafiltration element cleaning method is improved. As for pretreatment, a flocculation device is additionally added infront of a mechanical filtration device. The ultrafiltration element cleaning method, to be specific, is a physical and chemical washing method which sequentially uses an alkali cleaning method, an acid cleaning method and an oxidant cleaning method. The alkali cleaning method is to perform forward and reverse washing on an ultrafiltration element with sodium hydroxide in strong alkali to removeorganic impurities and oil; the acid cleaning method is to remove inorganic impurities in water with hydrochloric acid; the oxidant cleaning method aims to kill bacteria and remove dirt. With the adoption of the method, the service life of the ultrafiltration element is prolonged on the basis of the prior art, the produced water quality is improved, waste of the water resource is avoided, and greater economic benefits are created.

The invention relates to a water dispenser and a control method thereof. The water dispenser comprises a water dispenser body and a control panel. The water dispenser body is provided with a water getting cavity. A water outflow part is arranged on the top of the water getting cavity. A supporting table for containing a water getting container is arranged at the position, below the water outflow part, of the bottom of the water getting cavity, and a redundant water containing region is arranged on the supporting table. The water dispenser further comprises a sensor for detecting whether water is contained in the redundant water containing region or not, and a water outflow controller for controlling water outflow of the water outflow part, and the sensor and the water outflow controller are both electrically connected with the control panel. Accidents such as water waste and scalding are avoided, and user experience is improved.

The invention discloses a wastewater-free water purifier which can fully utilize wastewater (tail water) and truly achieve wastewater zero discharge. The wastewater-free water purifier comprises a source water inlet, a first manual mechanical valve, a first electrically-controlled one-way valve, a first pressurizing pump, a first-stage filter, a first water quality sensor, a second-stage filter, a second water quality sensor, a reverse osmosis membrane filter, a third water quality sensor, a purified water storage device, a first water level sensor, a purified water storage tank, a yielding water controller, a second electrically-controlled valve, a flowmeter, a purified water outlet, a third electrically-controlled valve, a second pressurizing pump, a second water level sensor, an ultraviolet disinfection lamp tube, a fourth water quality sensor, a wastewater treatment tank, a third pressurizing water pump, a fourth electrically-controlled one-way valve, a third water level sensor, a first pressure sensor, a high-pressure wastewater storage tank and the like. The high-pressure wastewater storage tank is additionally arranged and communicated with a water pipeline in a housing estate, and therefore the wastewater (tail water) generated in the purified water preparation process can be all effectively utilized.

The invention relates to the domain of a cleaning tool, and particularly relates to an article cleaning brush; when flowing water is flowed to the brush body to flush and clean the articles, the brush can prevent clothes from being wetted by water flow and avoid place limit. The article cleaning brush comprises a brush body and a brush; the brush is arranged at the lower surface of the brush body; the article cleaning brush further comprises a hose pipe, and the brush body is a shell body with an inner cavity; several sieves are arranged on the lower surface of the brush body, the side face of the brush body is further provided with a water inlet, and the hose pipe is connected with the inner cavity of the brush body. The article cleaning brush is featured by controllable water flow, good cleaning effect, and simple and convenient operation; moreover, the article cleaning brush can be detachably connected as the ordinary brush.

The invention provides a multifunctional water purifier able to utilize solar energy. A payment panel and a multimedia display screen are disposed on a panel, a charging socket, a waterproof board and a solar cell plate are disposed on a backboard, a border is equipped with direct drinking extension pipes, and the water purifier is internally equipped with a filtration purification system, a backwash system, a multimedia system, a payment system, an energy storage system and an energy conversion system. The invention also provides a filtering water purification method. The multifunctional water purifier able to utilize solar energy and the filtering water purification method provided by the invention adopt a circulating filtering technology, enhance the filtering performance, and improve the water utilization rate to over 99%. The multifunctional water purifier has a waterproof function, can be applied outdoors, can convert solar energy into electric energy for use, has a charging function, and has the function of payment for water. Also, a direct drinking device is added for direct drinking by people. Additionally, the multifunctional water purifier is added with a network and a WiFi multimedia system and water purification system integration, so that the water purifier has the information dissemination function.

The invention discloses a novel flowerpot. The novel flowerpot comprises a water pipe which is vertically arranged, the lower end of the water pipe is communicated to a water tank, the upper end of the water pipe is communicated to a nozzle device, a water pump is fixed in the water tank, a water outlet of the water pump is communicated with the lower end of the water pipe through a hose, and multiple potted-plant frame mechanisms are fixed to the portions, between the nozzle device and the water tank, of the water pipe from top to bottom. By means of the novel flowerpot, the problems are solved that when too many flowerpots are placed on a flowerpot frame, manual one-by-one watering is needed, which is very tedious, and if the water volume is not well controlled, it is difficult for redundant water to be recycled, so that many water resources are wasted.

The invention discloses a water level measurement system for a washing machine. The measurement system comprises a spinning device, a detecting device, and a main controller. The spinning device is arranged on the inner cover of the washing machine and has the same axle with a washing barrel of the washing machine. The detecting device is arranged on the spinning device and is used for detecting the distance between the detecting device and surfaces of contained objects inside the washing barrel and obtaining spacing values when receiving a water level detecting order. The main controller is used for determining whether the water level of the washing machine reaches a required level on the basis of a preset error detection value and the feedback spacing values from the detecting device; if the water level of the washing machine reaches the required level, a controlled water feeding switch is controlled by the main controller to stop feeding water. The invention also discloses a water level measurement method for a washing machine. By use of the water level measurement system and method for a washing machine, water level in a washing machine is accurately controlled, water resource is saved, clothing is ensured being washed clean, and the service life of a washing machine is prolonged.

The invention relates to a support, in particular to a potted plant nursing support. The technical purpose is to provide the potted plant nursing support which can movably spray water automatically and can control the spraying amount. According to the technical scheme, the potted plant nursing support comprises a placing board, a placing frame, supporting boards, first bearing bases, first rotating rods and the like; the center of the top of the placing board is provided with the placing frame, and the left and right sides of the top of the placing board are symmetrically provided with the supporting boards. The upper parts of the inner sides of the supporting boards at the left and right sides are provided with the first bearing bases, and the first rotating rods are in interference fit with the interiors of the first bearing bases at the left and right sides and penetrate through the first bearing bases. According to the potted plant nursing support, a user places potted plants on the placing board and the placing frame, and then switches on a water valve switch, a water inlet pipe can inject water into a round frame, a rotary wheel can rotate, and a nozzle can rotate while spraying water; the user pulls waterproof transparent plastic belts at the front and rear sides, and the waterproof transparent plastic belts at the front and rear sides can prevent the water from spillingon the ground when the potted plants are sprayed with water.

The invention provides an intelligent water meter. The intelligent water meter comprises a microcontroller, a photoelectric direct reading device, a wireless data communication device, a water qualitydetector and an LCD display screen; a signal output port of the photoelectric direct reading device is connected with a signal input port of the microcontroller, a signal output port of the water quality detector is connected to the signal input port of the microcontroller, a signal output end of the microcontroller is connected to a signal input end of the LCD display screen, and one end of a probe of the water quality detector is embedded in a static water tank and fixed through nuts. According to the intelligent water meter, the use condition and water quality condition of the water metercan be checked by logging into a client side through a mobile phone or a computer, if a user forgets to turn off a water tap when going out, the user can also switch off an electromagnetic valve through remote control to turn off the water tap, and waste of water resources is prevented.

The invention discloses a sweet potato seedling culture greenhouse having a water storage function. The sweet potato seedling culture greenhouse comprises a greenhouse body, a planting platform, a first greenhouse roof and thermostats, a cross beam is fixed at the top end inside the greenhouse body, one end of the top of the cross beam is hinged to the first greenhouse roof while the other end ofthe same is hinged to a second greenhouse roof, a solar cell panel is arranged at the top end of each of the second greenhouse roof and the first greenhouse roof, a temperature sensor is fixed at thebottom end of one side inside the greenhouse body, and a control panel is fixed at the bottom end of one side of the greenhouse body. By mounting the planting platform, planting grooves, a soil humidity sensor, water leaking holes, a water storage tank, a filter net, the control panel, a spraying device, a water diversion pipe, a water pump and nozzles, the soil humidity sensor senses soil moisture condition and transmits signals to a single chip microcomputer in the control panel, then the single chip microcomputer controls the nozzle to spray water, so that automatic water replenishing is facilitated when seedling culture soil lacks of water, artificial regular watering is not needed, and time and labor are saved.

The invention discloses a water pump with adjustable pressure control, which includes a fixed base plate, a connecting plate structure arranged on the side of the fixed base plate, and a plurality of bolts inserted inside the connecting plate structure, and one side of the upper surface of the fixed base plate passes through A motor fixing base is fixed by bolts, an electric motor is fixed on the top of the motor fixing base, a turbocharging mechanism is installed at the end of the motor spindle in the motor, and the bottom of the turbocharging mechanism is fixed on the The upper surface of the base plate is fixed, and a first rotating shaft is installed on one end surface of the turbocharging mechanism. The present invention is used as a water pump for daily use. When working, the maximum output power of the device can be increased by adding auxiliary equipment. In addition, the device has an adjustable pressure control mechanism, which can automatically control the maximum output pressure. When it reaches At the maximum value, the motor can do useless work and will not continue to deliver water, thereby preventing water waste.

The invention provides a novel agricultural greenhouse. The novel agricultural greenhouse comprises a greenhouse body and a shading device, wherein the greenhouse body comprises a greenhouse frame; a greenhouse film covers the greenhouse frame; the shading device is positioned outside the greenhouse film; a rainwater collector is arranged outside the greenhouse body and is connected with a water reservoir; a sprinkle pipe connected with the water reservoir is further mounted on the greenhouse frame; a water pump is arranged between the water reservoir and the sprinkle pipe; a plurality of sprinkle heads are arranged on the sprinkle pipe; the greenhouse body is further provided with a ventilating device. According to the novel agricultural greenhouse, rainwater can be effectively utilized, waste of water resources is avoided, the illumination intensity in the greenhouse body can be automatically regulated, and the growth of crops is guaranteed.

The invention discloses efficient self-cleaning maintenance-free water filtering equipment, aiming at solving the problems in the prior art that the water filtering equipment needs to be maintained and a filter element needs to be replaced regularly during use and maintenance, the operation and the maintenance are inconvenient, and water resources are wasted. The present invention comprises: a filtration device main body; a cleaner is arranged in a raw water cavity, an upper-layer structural part of the cleaner is spirally arranged on the outer wall of a filter element in a sleeving manner, and a lower-layer structural part of the cleaner is arranged at the bottom of a filter cup; the upper end and the lower end of the cleaner are connected with a first impeller and a second impeller respectively, the first impeller or the second impeller is impacted by water flow, so that the first impeller, the second impeller and the cleaner rotate synchronously, and a first cleaning piece and a second cleaning piece on the two sides of the cleaner can scrape and brush the outer wall of the filter element and the inner wall of the filter cup; large-particle water and impurities which are not filtered out by the filter element are discharged from the second water outlet pipe and are used for flushing toilets, washing clothes or washing vegetables, so that waste of water resources is avoided.

The invention belongs to the technical field of fire-fighting equipment, and specifically relates to a fire-fighting spray head and a fire-fighting system with the same. The fire-fighting spray head comprises a spray head body, a sealing assembly, a temperature-sensing release assembly, a water splashing disc, and a flow detection assembly, wherein the spray head body comprises a water cavity anda support body, the water cavity is formed in the top of the support body, and the water cavity is provided with a water inlet port and a water outlet port; the sealing assembly is arranged at the water outlet port; one end of the temperature-sensing release assembly is abutted against one side of the sealing assembly; the other end of the temperature-sensing release assembly is connected with thewater splashing disc, and the water splashing disc is arranged at the bottom of the support body; and the flow detection assembly is located in the water cavity. According to the fire-fighting sprayhead, the flow detection assembly is arranged between the water inlet port of the spray head body and the sealing assembly, whether water leakage of the fire-fighting spray head is caused or not is detected through the flow detection assembly, and if so, the fire-fighting spray head is replaced or repaired, so that the problem of water resource waste caused by the water leakage of the fire-fighting spray head is avoided.

The invention discloses a transport vehicle convenient for agricultural irrigation watering, and belongs to the technical field of agricultural irrigation. The transport vehicle convenient for agricultural irrigation watering comprises a vehicle frame, a motor, a water tank and a booster water pump are fixedly connected to the vehicle frame, and rotating shafts are symmetrically and rotationally connected to the vehicle frame. Water is pumped through a booster water pump and then sprayed out from water outlet holes in wheels, so that the spraying range is widened, and crops can be wholly sprayed with water; meanwhile, a fixing rod and a rubber rod on a hollow shaft are driven to turn soil in the advancing process of the wheels, the soil is further loosened, the water can rapidly permeate into the soil, the crops are moisturized, and in the rotating process of the hollow shaft, fertilizer or other nutrient substances enter the turned soil. When the transport vehicle convenient for agricultural irrigation watering is used, watering, soil turning and fertilization can be carried out on the crops at different heights at the same time, and agricultural production is intelligentized.

The invention provides a multifunctional water purifier with a charging function. Faucets, a water receiving groove, a faucet control switch, a payment panel and a multimedia display screen are arranged on a panel; a charging socket, heat dissipation seams, a water inlet hole, a water outlet hole and a power line hole are formed in a back panel; a direct-drinking stretching pipe is arranged on a frame; a filtering purification system, a back washing system, a multimedia system and a payment system are arranged in the water purifier. The invention further provides a water filtering purification method. According to the multifunctional water purifier with the charging function and the water filtering purification method, a circulating filtering technique is adopted, the filtering performance is improved, the utilization rate of water is increased to be higher than 99%, the water purifier has the charging function, the position resource of a water dispenser is fully used, the water purifier further has a function of payment for water taking, and water waste behaviors are avoided; additionally, a direct-drinking device is additionally arranged, and people can take direct-drinking water from the water purifier; moreover, a network and a WIFI (wireless fidelity) multimedia system are additionally arranged and integrated with the water purification system, so that the water purifier has an information spreading function.

The invention discloses a multifunctional intelligent control aboveground hydrant capable of preventing water theft. The multifunctional intelligent control aboveground hydrant comprises a hydrant body, a valve body and a bent pipe, wherein the hydrant body is provided with a valve rod seat, an inner mounting seat, an outer protective cover and a water outlet pipe covering a blank cap at intervals, a valve rod is sequentially arranged on the valve rod seat, the inner mounting seat, the outer protective cover and the water outlet pipe in a penetrating mode, and a water level detection device isarranged inside the hydrant body; the inner mounting seat is provided with mounting concave parts covering sealing cover plates, a controller, an alarm device, a motor and a heat dissipation device are arranged in the mounting concave parts, and heat dissipation holes are formed in the sealing cover plates above the motor; the valve rod is connected with a valve clack, the motor is connected witha screw rod with a right-hand and left-hand thread section, and the right-hand and left-hand thread section is connected with a water baffle and a movable water stop plug provided with a second pressure sensor; and the valve body is connected with a drain pipe provided with a drain valve, the drain pipe is connected with a water collecting tank provided with a water collecting tank water level control device, the water collecting tank is connected with a circulating pipeline provided with a water pump and used for cooling the motor, and intelligent control over the hydrant is achieved throughthe controller. The multifunctional intelligent control aboveground hydrant capable of preventing water theft is good in water theft prevention effect and high in efficiency, and the problems of water resource waste and frequent maintenance can be avoided.

The invention discloses a water-saving environment-friendly food-washing device. The food-washing device is characterized by consisting of a main basin (1), a left water outlet pipe (2), a right water outlet pipe (3) and a water storage tank (1), wherein the main basin (1) is arranged at the upper side, and the bottom of the main basin is connected with the left water outlet pipe (2) and the right water outlet pipe (3) respectively, the right water outlet pipe (3) is connected with the water storage tank (4). Dirty water is drained through the left outlet water pipe (2), and the relative clean water is drained to the water storage tank (4) through the right water outlet pipe (3) to flush a toilet and sweep the floor, the recycling of the clean water is achieved, the water resource waste is avoided, and the water utilization rate is improved. The water-saving environment-friendly food-washing device disclosed by the invention is simple in structure, easy to operate, convenient to use and suitable for common family and public places.

The invention discloses a heat recovery cold and hot water unit for a laundry room, belonging to the technical field of heat recovery. An air evaporator is sequentially connected with a compressor and a hot water condenser, wherein the hot water condenser is provided with three outlets; the first outlet is separately connected with an inlet of the air evaporator and one inlet of a cold water evaporator through pipelines; an outlet pipeline and an outlet pipeline of a water tank are jointed and then are connected with a washing machine; the second outlet is connected with an inlet of the water tank through a pipeline; a water replenishing pipe is connected to the water tank; an outlet pipeline of the air evaporator and one outlet pipeline of the cold water evaporator are jointed and then are connected with the compressor; the other outlet pipeline of the cold water evaporator is connected with a drying washing machine; the dry washing machine is connected with a cold water tank; the cold water tank is connected with a cold water pump; and the cold water pump is connected with the other inlet of the cold water evaporator. According to the heat recovery cold and hot water unit disclosed by the invention, heat is recovered; a large amount of hot water for the washing machine and constant-temperature cooling water for the dry washing machine can be generated; and the ambient temperature and humidity of the laundry room are improved.

The invention discloses an intelligent concentrated construction water control system. The intelligent concentrated construction water control system comprises a control cabinet, an automatic water taking terminal valve control device and a construction water supply system, wherein the automatic water taking terminal valve control device is connected with the control cabinet through a cable wire and a control wire, the control cabinet comprises a solenoid valve control circuit, a water current indication control circuit and an alarm control circuit, the construction water supply system comprises a water storage tank, a floating valve, a water pump, a galvanizing steel pipe, a water feeding vertical pipe and a main water supply control valve, the automatic water taking terminal valve control device comprises a flow divider arranged on the water feeding vertical pipe and a water current indicator and a solenoid valve which are arranged beside the flow divider. Through the system, intelligent concentrated control on temporary construction water supply is realized, the construction water is saved, operation is simple, and engineering cost is reduced.

The invention discloses a novel full-automatic regeneration system for fine treatment. The system consists of a negative regeneration tower, a positive regeneration tower, an acid metering pump, an alkali metering pump, a Roots blower, a flushing water pump and an auxiliary valve; the negative regeneration tower and the positive regeneration tower share a resin trapper, the Roots blower and the flushing water pump; and the resin trapper is arranged at one side of the negative regeneration tower and one side of the positive regeneration tower, the flushing water pump is arranged at one side of the negative regeneration tower and one side of the positive regeneration tower, the Roots blower is arranged at one side of the negative regeneration tower and one side of the positive regeneration tower, the alkali metering pump is arranged at one side of the negative regeneration tower, and the acid metering pump is arranged at one side of the positive regeneration tower. Through program design, synchronous, independent and full-automatic regeneration of anion and cation resins is realized, water consumption and regenerant consumption are reduced, manual operation is reduced, the labor intensity is reduced, misoperation is eliminated, the safe operation level of a power plant is improved, and high practical value and popularization value are achieved.

The invention discloses a multifunctional planting bed for planting edible mushrooms. The multifunctional planting bed comprises a bed body and a watering assembly, the upper side face of the bed body is provided with evenly-distributed containing grooves, the front side face of the bed body is provided with evenly-distributed drainage holes, all the drainage holes communicate with all the containing grooves, the right side face of the bed body is provided with a control switch set, the upper side face of the bed body is provided with a harvesting assembly, and the rear side face of the bed body is provided with a water pumping assembly; the watering assembly comprises fixing frames, sliding frames, fixing pipes and nozzles, the fixing frames are fixed to the left side and the right side of the bed body, the sliding frames are slidably connected to the side faces of the fixing frames, the fixing pipes are fixed to the lower side faces of the sliding frames, the nozzles which are evenly distributed are installed at the lower ends of the circumferential faces of the fixing pipes, the edible mushrooms can be picked very conveniently, and the edible mushrooms can be watered very conveniently.

The invention relates to the technical field of landscaping engineering, in particular to a water-saving irrigation device for landscaping engineering, which comprises a moving seat, a water tank is connected to the valley bottom of the right side end of the outer wall of the top end of the moving seat, a sliding rail seat is fixedly connected to the left side end of the outer wall of the top end of the moving seat, a hollow seat is connected to the front end of the sliding rail seat, and spray nozzles are connected to the left side ends of the outer walls of front and back ends of the hollow seat. According to the water-saving irrigation device, a worker can make the hollow base move on the sliding rail seat through a self-locking moving block, so that the height of the hollow seat can be adjusted according to the height of an irrigated plant area, meanwhile, an arranged double-head motor can drive a belt to rotate through a rotating shaft, and the belt can drive a hollow rotating shaft and the spray nozzles to rotate when rotating, so that the spraying angle of the spray nozzles can be adjusted through forward and reverse rotation of the double-head motor, and through the mode, the irrigation angle can be adjusted according to a plant area, and the situation that water resources are wasted is avoided.

The invention provides an automatic bathroom dehumidification and heat preservation device, which includes an air suction module and a heat exchange module; an exhaust fan is installed in the air intake chamber; the heat exchange module includes a heat exchange chamber; the inside of the heat exchange module is provided with heat exchange pipes; the lower end and upper end of the heat exchange chamber are provided with positioning holes for positioning the heat exchange pipes; the heat exchange chamber is provided with defogging parts; the demist net is made of mesh fiber material, and One end of the demisting net is in contact with the heat exchange pipe; the automatic bathroom dehumidification and heat preservation device is a dehumidification operation for the atomized air in the bathroom by installing an exhaust device near the ground to improve the dehumidification efficiency and at the same time A device for preheating the drainpipe by retaining the heat in the mist.