47results about How to "Easy to release water" patented technology

The invention relates to a method for increasing survival rate of grafting of a walnut tree. The method comprises the steps: cutting up a broken end of a tree trunk (1) as a rootstock into a V-shapedcut, splitting tip parts of the two ends of the V-shaped cut along a bark (1a), and separately splicing a scion (2); and cutting up lower parts of walnut tree branches as the scions into beveled edges, chipping off surface-layer withered barks from scions at the back of the cut in a manner of reserving bast layers (2a) of the scions, then, inserting tips of cut sections of the scions between splitbarks and wood of the rootstock in a manner that a fabric-exposed section (3) of 0.8cm to 1.2cm is reserved at the upper end of the cut of each scion, and finally, closely bundling and wrapping parts, located below fabric-exposed sections, of the scions and a spliced section of the rootstock with plastic tapes (4). According to the method, the survival rate of grafting of walnuts and the growth vigor of the scions are greatly increased, the operation is simple and practical, and the production efficiency is high.

The invention provides a solenoid with a sealing outer shell and a motion detector circuit which can feedback the operating state of an iron core; the invention can be applied to all automatization control equipments, and is particularly superior while being used in the severe operational environment. The keep solenoid with signal feedback comprises a magnetic insulation wire axes, wherein the middle part of the magnetic insulation wire axes is provided with a through hole extended along the axial direction; the periphery of the magnetic insulation wire axis is wound with coils; the solenoid also comprises a movable iron core which can be movably and freely received in the through hole of the magnetic insulation wire axis, a magnet fixing part which is used to adsorb the movable iron core, a return spring which can push the movable iron core along the direction away from the magnet fixing part, a shell which covers two end faces of the magnetic insulation wire axes and side faces of the coils and a testing circuit which is arranged inside the shell and close to the movable end face of the movable iron core; the testing circuit comprises a signal detecting device which can detect and feedback the position of the movable end face of the movable iron core.

The invention discloses an easy-to-adjust water conservancy gate, which comprises a crossbeam, a support frame is arranged under the crossbeam, a rotating shaft is rotatably connected to the support frame, a running wheel is arranged on the rotating shaft, and the bottom end of the crossbeam is provided with Transmission device, a frame is provided under the support frame, rollers are provided on the frame, a waterproof mechanism is provided under the frame, the waterproof mechanism includes a cylinder, a fixed rod is provided at the rear of the cylinder, and the front of the cylinder is connected to There are connecting rods. The first connecting base is rotatably connected to the baffle. The setting of the transmission device and the runner can drive the gate to move up and down to achieve the purpose of releasing a large amount of water. The roller is to reduce the resistance of the gate to move up and down. The first rubber pad and the second rubber pad are used to seal the water flow and adjust the extension of the cylinder. The length drives the connecting rod to push the baffle to rotate to discharge water with a small flow rate. The device can conveniently control the flow rate of the discharge water, which is beneficial to the discharge of water from the gate.

The invention provides a hydraulic junction facility. The structure of the hydraulic junction facility comprises a vertical well type spillway, a horn mouth, a transition segment, a vertical well, an axial line of the vertical well, a pressing slope segment, an energy dissipation well, an annealing tunnel, water taking inclined culverts, water inlets, flap valves, rubber water-stop belts, a breather pipe, a water diversion branch hole, irrigation channels, an annealing tunnel outlet gate, a gate pier, a gate hoist, bank slope bed rocks, an earth and rockfill dam, a reservoir area (the upstream) and riverways (the downstream). In the low water level, inclined lying culvert pipes are utilized to carried out water taking, energy dissipation and water conveying are achieved by utilizing the vertical well type spillway, the annealing tunnel outlet gate is closed to raise a waterhead, the irrigation elevation is increased, and the water using requirement in the downstream is met. The inclined lying culvert pipes are connected with the vertical well type spillway, the vertical well type spillway is utilized to replace a culvert pipe arranged on the lower portion of a dam, and the adverse influence on the culvert pipe arranged on the lower portion of the dam is avoided.

The invention discloses a device for eradicating walls, which comprises a remote control car and a remote control. A power cord plug is arranged on the left side of the remote control car, and a control box is connected to the right end of the power cord plug. The control box is installed On the remote control car, the inside of the control box is provided with a single-chip microcomputer, the front of the remote control car is provided with a water gauge, the upper surface of the remote control car is provided with a telescopic rod, and a pillar is installed in the telescopic rod, and The middle part is equipped with an atomizing nozzle, and the top of the pillar is equipped with a motor, and a cutting disc is installed on the motor, and a blade and a synchronous spring are installed on the cutting disc; the remote control is provided with a power button and a multi-dimensional Direction keys, because the setting of the atomizing nozzle can reduce the dust pollution in the cutting process, and the cutting disc set at the same time cooperates with the synchronous spring so that the vibration of the device is minimized when the wall is removed and the device works stably, so the invention works reliably and has low dust Ease of use is worth promoting.

The invention discloses a convenient crab pond, which comprises a crab pond, a retractable device and a driving device. The crab pond includes a first crab pond, a second crab pond and a third crab pond. The crab breeding pond can support the crab pond in mid-air through the support plate, thereby increasing the breeding area of ​​crabs, making it convenient for users to breed more crabs, and ensuring that each crab pond can receive sufficient sunlight, increasing the number of users income; the telescopic rod at the bottom of the support column can be freely extended or contracted, which is convenient for users to adjust the height of the second crab pond and the third crab pond, and there are pipes placed in the support column, which is convenient for users to put water into the crab pond; the second , The third crab pond is provided with a water outlet, which is convenient for users to replace the water in the pond; the driving device installed on the inner wall of the second and third crab ponds near the water outlet can drive the crabs to the other side of the crab pond, Even when the user changes the water in the crab pond, there is no need to worry about the crab being washed to the water outlet by the water flow.

The invention discloses a goat roasting oven. The goat roasting oven comprises a stove body, wherein a heat-preserving oven door is arranged at the front part of the oven body, a door opening handle is arranged on the oven door, a rotating structure is arranged at the upper part of the inner chamber of the oven body, the rotating structure is connected with a motor at the upper part of the outer side of the oven body, an upper smoke exhaust port is formed in the rear side of the top part of the oven body, the upper smoke exhaust port is connected with an upper smoke exhaust pipe, a switching valve is arranged on the upper smoke exhaust pipe, the upper smoke exhaust pipe is connected with a dust catcher through an induced draft fan, and the external part of the dust catcher is connected with a dust and oil stain collector; a hollow fire pan is arranged at the lower part of the oven body, a fire grate is arranged at the lower part of the fire pan, an ash tank is arranged at the lower part of the fire grate, the ash tank is matched with a surrounding wall surface, an air inlet with air inlet amount which can be adjusted is formed in the ash tank, an upper groove is formed in the upper part of the fire pan, an annular water storage groove is formed in the plane of the upper groove, an annular oil receiving groove is formed in the outer side of the water storage groove, and the outer side of the upper groove and the surrounding part of the oven body are of an integral structure. The goat roasting oven has the advantages that since a closed space is formed, the roasting efficiency is high, the occupied space is smaller and the goat roasting oven is particularly suitable for places with numerous people who have meals.

The invention relates to a sheep washing device, in particular to a movable multifunctional sheep washing vehicle. The movable multifunctional sheep washing vehicle comprises a vehicle body; wheels are arranged below the vehicle body; a sheep washing pond is arranged on the vehicle body; the sheep washing vehicle can be hung to the rear part of a transport vehicle; a water control area is also arranged on the vehicle body, and is arranged between the sheep washing pond and a sheep outlet door. The invention further discloses a sheep washing method which applies the sheep washing device. According to the movable multifunctional sheep washing vehicle and the sheep washing method disclosed by the invention, the problems that the sheep washing pond cannot be moved and the occupied area is large in the prior art are solved; cleaning work of a sheep flock can be completed in a grazing process to ensure the cleanness and health of the sheep flock; the movable multifunctional sheep washing vehicle is reasonable in structure; the sheep washing efficiency is greatly improved, and the sheep washing cost is reduced; meanwhile, by the technical scheme of the invention, a variety of purposes, such as sheep washing and transporting, can be realized, and daily production and living requirements of herdsmen are greatly met.

The invention relates to the field of food processing, and discloses a making method of beef jerky convenient for children to eat. The making method comprises the following steps of: S1, selecting fresh beef, and carrying out step S2 if the fresh beef meets the hygienic standard of fresh frozen livestock meat; pushing out the fresh beef which does not meet the condition if the fresh beef does notmeet the hygienic standard of the fresh frozen livestock meat; S2, carrying out slow thawing on the fresh beef selected in the step S1 at normal temperature, wherein the slow thawing time is 20 minutes; S3, shaving meat off the fresh beef slowly thawed in the step S2; S4, cutting the fresh beef subjected to meat shaving in the step S3 into strips, wherein the length of the cut strips is 5cm, the width of the cut strips is 1cm, and the thickness of the cut strips is 0.1 cm; S5, rolling and kneading the fresh beef cut into strips in the step S4, wherein the rolling and kneading time is 5 minutes; and S6, pickling the fresh beef rolled and kneaded in the step S5, wherein the pickling time is 2 hours. The product is suitable for children to eat and healthier, the method has advantages of shortconstruction period, simple process and low manufacturing cost, and the taste is improved.

The invention provides a drip irrigation device for planting of dry farming. The drip irrigation device comprises a vehicle body and a support. The support is provided with a plurality of drip irrigation heads sharing a water supply pipeline to supply water. An inner cavity of each drip irrigation head is provided with a plurality of water filtering nets, impurities in water flow out of the filter nets, then, water flows to the drip irrigation heads and crops to be subjected to drip irrigation. The number of the on drip irrigation heads can be adjusted according to the planting density of the crops. Meanwhile, adjusting rods are arranged between the vehicle body and the support of the drip irrigation device, and the spraying height can be adjusted according to the heights of the crops. The drip irrigation device is convenient to use, low in machining expenditure, small in water consumption and suitable for large-area use and popularization.

The invention discloses a food placing frame which comprises a support. Wheels are arranged at the bottom end of the support. A plurality of layers of net-like placing plates are installed on the support through sliding grooves. Waterproof cloth is installed below the net-like placing plates through hooks. The food placing frame is simple in structure and reasonable in design; the net-like placing plates are installed on the support through the sliding grooves, the waterproof cloth is arranged under the placing plates, and therefore water can flow out fast; the water on the placing plate of the upper layer will not drop onto the placing plate of the lower layer, the waterproof cloth is detachable, and the water is drained conveniently.

The invention discloses a crab pond capable of facilitating feeding. The crab pond comprises crab pond bodies, a food conveying device and feeding devices, the food conveying device and the corresponding feeding devices are located on one side of the corresponding crab pond body, the food conveying device is connected with the feeding devices, and the feeding devices are connected with the crab pond bodies. The crab pond can be supported in mid-air through supporting plates, so that the crab breeding area is increased, and more crabs can be conveniently bred by users; it is ensured that sufficient sunlight can be irradiated to each crab pond body, and earnings of the users are increased; a pipe is arranged in each crab pond supporting column so that the users can conveniently supply waterinto the crab pond bodies; the food conveying device and the feeding devices are arranged beside the crab pond, the food conveying device can automatically convey the food into the feeding devices, when the users need to feed the crabs, buttons on a remote controller can be pressed, food can be pushed to the corresponding second crab pond body or the third crab pond body by a corresponding pistonrod, and the users can conveniently feed the crabs.

The invention discloses a crab breeding device which comprises a first crab pond, a second crab pond, a third crab pond, support columns and hydraulic oil cylinders. The support columns are connectedwith the hydraulic oil cylinders, the first crab pond is arranged on the ground, the second crab pond is perpendicularly connected with the corresponding hydraulic oil cylinders on the ground by the corresponding support columns, the third crab pond is perpendicularly connected with the corresponding hydraulic oil cylinders on the ground by the corresponding support columns, hydraulic rods on thehydraulic oil cylinders can move in the up-down directions, and the support columns can be driven to act in the up-down directions. The crab breeding device has the advantages that the crab ponds canbe supported in midair by support plates, accordingly, the crab breeding areas can be enlarged, a large quantity of crab can be conveniently bred by users, each crab pond can be assuredly basked in sufficient sunlight, and earnings of the users can be increased; the heights of the hydraulic rods on the hydraulic oil cylinders can be adjusted according to requirements of the users on the heights ofthe crab ponds, and accordingly the height of the first crab pond and the height of the second crab pond can be changed; pipes are arranged in the support columns, and accordingly the crab ponds canbe conveniently filled with water by the users.

The invention relates to a forced circulation water heater of an engine. The forced circulation water heater comprises a water pump main machine, a pagoda connector with a flange, an O-shaped ring, a front shell, a rear shell, a face film, a foaming silica gel sealing strip, an L-shaped support, a cabinet, a fixing plate and a guide rail. The pagoda connector with the flange is arranged at the upper end of a shell body of the water pump main machine. The O-shaped ring is arranged between the lower end of the pagoda connector with the flange and an upper port of the shell body. The front shell is arranged on the left side of the shell body through an inner hexagon bolt. The rear shell is arranged at the right end of the shell body through an inner hexagon bolt. The face film is arranged at the right end of the rear shell. The foaming silica gel sealing strip is arranged between the rear shell and the right end face of the shell body. The cabinet is arranged between the left side face of a vertical plate of the L-shaped support and the upper surface of the bottom of the L-shaped support. The fixing plate is arranged in the cabinet. The guide rail is arranged on the fixing plate. The forced circulation water heater is reasonable in structure, convenient to use, firm, durable, safe, reliable, reasonable in structure and capable of achieving automatic control.

The invention discloses a food storage rack. The food storage rack comprises a bracket, wherein wheels are arranged at the bottom end of the bracket; a plurality of layers of net-shaped placing plates are mounted on the bracket through a slide slot; waterproof cloth is mounted below the net-shaped placing plates through a hanger. The food storage rack is simple in structure and reasonable in design, the plurality of layers of net-shaped placing plates are mounted on the bracket through the slide slot, and the waterproof cloth is arranged on the lower surface of the placing plate and used for quickening flow of the water; water on the upper-layer placing plate does not drop onto the lower-layer placing plate, and the waterproof cloth is detachable, so that the water discharge is convenient.

The invention discloses a shower head equipped washstand, which includes a washstand body. The end face of the washstand body is provided with a wash basin, the side wall of the washstand body is provided with a mounting plate, and the mounting plate and the washstand body are in vertical contact. The mounting plate is provided with a channel running through the mounting plate. A water pipe is arranged in the channel and is connected to a shower, and the bottom end of the shower is arranged on the top of the mounting plate. By disposing the movable shower on the mounting plate, the washstand enables convenient water discharge, so that users can discharge water to wash hair on the washstand without bending down to wash hair in the wash basin, thus providing convenience for people to use.

The invention discloses a cleaning machine for chili seeds. The cleaning machine comprises a cleaning machine body, wherein several cleaning water tanks which are arranged in sequence in a ladder shape are arranged on the cleaning machine body, and the water inlet end of the cleaning water tank at the lower position in every two adjacent cleaning water tanks is an overflow end of the cleaning water tank located at the higher position. A filtering screen is furthermore arranged on the cleaning machine body, wherein the feeding end of the filtering screen corresponds to the overflow end of the cleaning water tank at the lowermost position, and the water outlet end, corresponding to the filtering screen, on the cleaning machine body is provided with a drainage space. The cleaning machine hasthe advantages that the cleaning effect is good, the production efficiency is high, human input is reduced, and water resources are saved.

The invention belongs to the field of water supplementing and particularly relates to a circulating type anticorrosion automatic water supplementing system. The system is characterized in that a first PP cotton filter, a second PP cotton filer, a precision activated carbon filter, a silver-loaded activated carbon filter and a third PP cotton filter are connected in order, the upper end of an anion exchange resin filter is connected to the third PP cotton filter, an anion exchange resin water discharging valve is mounted to the upper end of the outside of the anion exchange resin filter and is connected to the upper part of a cation exchange resin filter through a pipeline, a cation exchange resin water discharging valve is mounted to the upper end of the outside of the cation exchange resin filter and is connected to a fourth PP cotton filter through a pipeline, the fourth PP cotton filter is connected to a deaerator, an ultrasonator and a stirring paddle are disposed inside the deaerator, and a float valve is in a water storage tank and mounted to the tail end of a water discharging pipe.

The invention discloses a device for raising crabs. The device comprises a crab pool and inserting plates, wherein the inserting plates are positioned in the crab pool, a plurality of rectangular grooves are formed in the edge of the crab pool, the inserting plates can be inserted into the rectangular grooves to divide the crab pool, and the crab pool includes a first crab pool, a second crab pooland a third crab pool. For the pool for raising crabs, the crab pool can be supported in air through a supporting plate, thereby increasing the crab raising area, being convenient for a user to raisemore crabs, and ensuring that each crab can be sunned with sufficient sunshine to increase income of the user; a supporting pillar of the crab pool can be freely extended and contracted, so that theuser can adjust the length of the supporting pillar according to self needs, and a pipe is arranged inside the supporting pillar, so that the user can discharge water into the crab pool conveniently;and an interior of the crab pool can be divided into a plurality of small crab pools through the inserting plates, so that the user can collectively drive crabs in the crab pool to one side of the crab pool or cultivate the crabs after sorting, so as to facilitate user management.

The invention discloses a rapid sluicing device used in a fish box. The rapid sluicing device used in the fish box comprises a square box body, a circular truncated cone, a penetrating hole, an isolation net, a limiting circular groove, a sealing disc, a positioning boss, a buckle and a floating ball. The rapid sluicing device used in the fish box is simple in structure, a large-caliber circulating channel is formed in the lower end face of the fish box and is sealed by using the sealing disc, and the floating ball is connected with the upper end of the sealing disc through a wire, so that water discharge is facilitated, and the whole operation is convenient and fast and is effort-saving.

The invention discloses a full-automatic hydraulic vacuum-assisted high-suction-height self-sucking pump, which comprises a base, a material inlet and outlet structure, a material inlet and outlet structure and a material outlet and inlet structure, the vacuum auxiliary self-suction device is connected to the other side of the top of the base, and the vacuum auxiliary self-suction device comprises a vacuum pump, a self-suction pump, a floating ball sensing structure and a self-suction pump hydraulic motor. By means of the arrangement mode that the material inlet and outlet structure and the vacuum auxiliary self-suction device are matched, after the water inlet pipeline of the self-suction pump is completely sucked, due to the fact that air is sucked in, the floating ball sensor in the water tank can return to the low position, and at the moment, a signal can be fed back to the electromagnetic switching valve to open the oil supply pipe of the hydraulic motor of the vacuum pump; the vacuum pump operates to help the self-sucking pump to suck negative pressure, for example, when a low-water-level medium is sucked or an inlet pipeline slightly leaks air, the vacuum assist can assist the self-sucking pump to avoid the phenomenon that water does not flow out due to the fact that vacuum is damaged when the self-sucking pump sucks air.

The invention provides a hydraulic junction facility. The structure of the hydraulic junction facility comprises a vertical well type spillway, a horn mouth, a transition segment, a vertical well, an axial line of the vertical well, a pressing slope segment, an energy dissipation well, an annealing tunnel, water taking inclined culverts, water inlets, flap valves, rubber water-stop belts, a breather pipe, a water diversion branch hole, irrigation channels, an annealing tunnel outlet gate, a gate pier, a gate hoist, bank slope bed rocks, an earth and rockfill dam, a reservoir area (the upstream) and riverways (the downstream). In the low water level, inclined lying culvert pipes are utilized to carried out water taking, energy dissipation and water conveying are achieved by utilizing the vertical well type spillway, the annealing tunnel outlet gate is closed to raise a waterhead, the irrigation elevation is increased, and the water using requirement in the downstream is met. The inclined lying culvert pipes are connected with the vertical well type spillway, the vertical well type spillway is utilized to replace a culvert pipe arranged on the lower portion of a dam, and the adverse influence on the culvert pipe arranged on the lower portion of the dam is avoided.

The invention discloses a water-jacket type heat exchanger for an automobile-exhaust heated air system, comprising an inner water jacket and an outer water jacket. The inner water jacket and the outer water jacket both comprises an air inlet end and an air outlet end, wherein the air inlet end is provided with an air inlet, and the air outlet end is provided with an air outlet; at least one layer of middle water jacket is arranged between the inner water jacket and the outer water jacket; the middle water jacket, the inner water jacket and the outer water jacket are all provided with communicated water inlet holes on one end and communicated water outlet holes on the other end; an air inlet cover plate is connected between the air inlet ends of both the inner water jacket and the outer water jacket; the other end of the air inlet cover plate is connected with an air outlet cover plate; a fastening component for connecting the water jackets of all layers is arranged between the air inlet cover plate and the air outlet cover plate; and folded or directly-communicated tail gas heat exchanging channels are formed by the water jackets, the air inlet cover plate and the air outlet cover plate. The water-jacket type heat exchanger for the automobile-exhaust heated air system is simple in structure, easy to make, convenient to discharge water, low in cost, large in water holding capacity and high in heat exchanging efficiency.

The invention discloses a paddy field water change device for circular agriculture, and an application method thereof, and relates to the technical field of agricultural equipment. The paddy field water change device comprises a frame, a water pipe, a water pump, servo electric cylinders, a support plate, a cushion pad, a water inlet connection pipe, a water outlet connection pipe, clamping sleeves, elastic clamping pieces, slip-resistant pads, fasteners, a protective sleeve and first through holes. A plurality of second through holes are formed in the outer wall of the protective sleeve. An opening is formed in one end, away from the frame, of the water pipe. Lifting of the paddy field water change device can be adjusted, and water in a paddy field is sucked and discharged conveniently; the water pipe does not contact the ground of the paddy field, damage of the pumping suction or discharge thrust to rice seedlings and aquatic products can be avoided, vibration influences can be reduced, and lifting adjustment of the water pipe is stable; a water inlet of the water pipe can be adjusted, the aquatic products can be avoided from entering the water pipe, and influences on the paddy field during water suction and drainage can be reduced; debris in the water pipe can be removed from the opening, and convenience and quickness are achieved.

The invention discloses a heat-preservation crab pond which comprises crab ponds and heat-preservation devices, wherein the crab ponds comprise a first crab pond, a second crab pond and a third crab pond; the first crab pond is arranged on the ground; the second crab pond is connected with the ground through first support columns; the third crab pond is connected with the ground through second support columns; and the heat-preservation devices are positioned on the second crab pond and the third crab pond. The crab ponds can be supported in air through support plates, so that the breeding areaof crabs is increased, a relatively large amount of crabs can be bred conveniently for farmers, in addition, each crab pond can have sufficient sunshine, and the benefits of users can be increased; the support columns of the crab ponds can be freely prolonged or shrunk and can be conveniently adjusted by users; in addition, tubes are arranged inside the support columns, so that water can be conveniently fed into the crab ponds; and the heat-preservation devices are arranged inside both the second crab pond and the third crab pond, the temperature of water inside the crab ponds can be conveniently controlled according to demands of users, and a good living environment can be provided for crabs.

The invention discloses a crop seedling cultivation device. The crop seedling cultivation device comprises a frame, wherein the frame is fixedly provided with multiple seedling cultivation racks in sequence from top to bottom, multiple seedlings are cultivated on the seedling cultivation racks, multiple sprinkler heads are arranged on the inner wall of the top side of the frame in an array, a water tank fixedly arranged on the inner wall of the bottom side of the frame is arranged under the seedling cultivation racks, the water tank is internally provided with a floating plate, the top side ofthe floating plate is provided with two sliding holes, the sliding holes are internally and slidably provided with sliding rods, the two ends of the sliding rods extend to the exteriors of the sliding holes respectively, the two ends of the sliding rods are fixedly arranged on the inner walls of the top side and bottom side of the water tank respectively, one side of the floating plate is provided with a water level alarm mechanism used for detecting the water level, and conveying mechanisms used for conveying soil are arranged between the water tank and the seedling cultivation racks. The crop seedling cultivation device has the advantages that automatic water discharge of the water tank can be facilitated, sundries and rubbish are conveniently conveyed out of the frame, the water tank is prevented from being blocked, the structure is simple, and the use is convenient.

The invention discloses a live fish transportation device which comprises a carrying barrel. The carrying barrel is mounted on a frame, a gear motor on the frame drives the carrying barrel to rotate,the carrying barrel comprises a filter chamber and a plurality of carrying chambers circularly arranged on the periphery of the filter chamber, every two carrying chambers serve as one group and are symmetrically arranged by taking an axis of the filter chamber as a center, two ends of each carrying chamber are communicated with the filter chamber through water escape valves, the center of the filter chamber is communicated with the carrying chamber through a water discharging valve, a water purification filter core is arranged in the filter chamber among the water escape valves and water inlet valves, and a closed cover is detachably connected on the peripheral surface of each carrying chamber. According to the device, water is conveniently discharged, fishes are conveniently unloaded, water cannot be repeatedly polluted, one carrying chamber is fully filled with water, water flows into lower water-free carrying chambers under the action of the gravity along with rotation of the carrying barrel, so that water can be supplied for the carrying chambers on time, circularly used and saved, and water carrying amount is reduced.