40results about How to "Good water saving effect" patented technology

The invention discloses a short-medium-long nested water-saving irrigation decision-making method based on numerical weather forecast. The method comprises the following steps: (1) checking the precision of a numerical weather forecast product; (2) constructing a real-time irrigation forecasting model; (3) real-time irrigation forecast is driven by numerical weather forecast, and a'short-medium-long 'nested water-saving irrigation decision is implemented; real-time irrigation forecast is driven by numerical weather forecast, a water-saving irrigation decision and an irrigation water plan are implemented layer by layer with the forecast period of weather forecast as a guide, the forecast period of real-time irrigation forecast is prolonged, the problem of rain after irrigation is solved, and the method has a remarkable water-saving effect in the aspect of relieving water resource shortage in the drought period.

The invention belongs to the technical field of agricultural cultivation, and particularly relates to a precise irrigation control system and method for substrate cultivation. The method specifically comprises the following steps: monitoring multi-parameter data, namely a soil humidity index, a plant physiological index and an environmental factor index, in real time through a multi-parameter sensor, and transmitting the data in a wired or wireless manner; the collected multi-parameter data are preprocessed, and then predicted plant water demand is obtained by using an intelligent decision algorithm and is displayed through a visual platform; the on-off state and the flow of the irrigation equipment are automatically adjusted through the control circuit according to the predicted water demand of the plants, the actual water demand of the plants can be accurately matched through multi-parameter monitoring and an intelligent decision algorithm, the situation of excessive or insufficient irrigation is reduced, the irrigation efficiency and the water resource utilization rate are improved, and accurate irrigation is achieved.

The invention discloses an intelligent product cleaning line which comprises a first cleaning unit, a second cleaning unit, a medicine supply unit, a first water supply unit, a second water supply unit and at least one detection control unit. And the detection control unit is used for detecting parameters in the cleaning unit and automatically adjusting the supply amount of the medicine supply unit or the water supply unit according to a detection result. According to the invention, the water supply rate is controlled according to the conductivity, so that the water supply amount can be intelligently adjusted according to the dirty condition of the product, and the cleanliness of the cleaned product can meet the requirement on the basis of saving water.

The utility model discloses a rice water-saving cultivation device which comprises a water storage tank, a planting box is arranged in the water storage tank, a control panel is installed at one end of the water storage tank, movable grooves are formed in the four corners in the water storage tank, lead screws are installed in the movable grooves, and the lead screws are connected with the planting box through a connecting rod. The lead screws are sleeved with lead screw sleeves matched with the lead screws, and the lead screw sleeves are connected with the bottoms of the edges of the planting box. According to the rice water-saving cultivation device, the water storage tank and the planting tank are arranged, the planting tank is arranged in the water storage tank, and the height of the water storage tank can be adjusted through the transmission effect of the lead screw, so that the liquid level needed by rice growth is automatically adjusted, variable weather environments are coped, and meanwhile the purpose of saving water is achieved; and the screw rod is higher in adjusting stability, does not cause shading, and is more reasonable in design.

The utility model relates to the field of irrigation equipment, and discloses a road greening water-saving irrigation device, which comprises a bottom plate, a water tank, a vertical plate, four universal wheels, an adjusting assembly and an irrigation assembly, the water tank and the vertical plate are both fixedly arranged at the top of the bottom plate, the four universal wheels are all rotatably arranged at the bottom of the bottom plate and are uniformly distributed, and the adjusting assembly is arranged on the bottom plate. A grab rail is fixedly installed on the outer wall of the front side of the water tank. The device has the following advantages and effects that the horizontal position and the height position of the water spraying plate can be adjusted, water spraying irrigation operation on plants in a road green belt from top to bottom is achieved, the distance between the two blocking plates can be adjusted, part of water spraying holes can be blocked through the two blocking plates, and the water spraying effect is improved. Therefore, the width range of water spraying irrigation can be changed according to actual conditions, water can be effectively prevented from being sprayed out of a green belt, and a better water-saving effect is achieved.

The utility model relates to the field of irrigation devices, and particularly provides an agricultural water-saving irrigation device. The device comprises a supporting assembly, a water storage assembly and an adjusting assembly, the supporting assembly comprises a telescopic column, the bottom end of the telescopic column is fixedly connected with a base, the bottom end of a connecting frame is fixedly connected to the top end of a connecting base, two sets of connecting pipes are arranged at the inner end of the connecting frame, and nozzle connecting valves are arranged on the front sides of the connecting pipes. Through cooperation of the supporting assembly and the adjusting assembly, the problems that an existing spray irrigation type irrigation device can provide water irrigation for agricultural crops within the range, the height of the crops can not be changed along with growth of the crops, if the spray irrigation height is not adjusted, irrigation is not uniform enough, and the irrigation efficiency is high are solved. The technical problems that crops are gathered in soil with much water, healthy growth of the crops is affected, water sources are wasted are solved, the overall structure is simple, use is convenient and fast, sprinkling irrigation uniformity is improved, and waste of the water sources is reduced.

The utility model discloses a modularized rain sewage diversion box with a self-cleaning function, which comprises a diversion rainwater box, a module partition plate is correspondingly arranged in the diversion rainwater box, and the interior of the diversion rainwater box is divided into a precipitation cavity and a filtering treatment cavity by the module partition plate. According to the utility model, the interior of the diversion rainwater tank is divided into the precipitation cavity and the filtering treatment cavity by the module partition plate for respectively precipitating and filtering, so that reclaimed water and clean water can be conveniently treated and used, and the two backwashing cleaning pieces can be externally connected with an external water source for respectively backwashing the precipitation cavity and the filtering treatment cavity; the water filtering part and the flow guide control part are not prone to being blocked, dirt and impurities can be circularly cleaned and filtered through the filtering and cleaning tank, water is saved while self-cleaning is convenient, the device is convenient to carry out modularized split-flow water outlet, reclaimed water outlet and clean water outlet, the application range is large, the self-cleaning backwashing effect is good, cleaning is convenient, and water is saved.

The utility model relates to the technical field of garden irrigation, and discloses a garden greening water-saving irrigation device which comprises a cart, the top of the cart is fixedly connected with a water storage tank through a bolt, a spraying part is arranged on the surface of a fixing rod, the top of a fixing frame is fixedly connected with a driving motor through a bolt, and a brake part is arranged at one end of the driving motor; through cooperative use of the brake part, the spraying part and other related assemblies, the whole device is easy and convenient to use and operate, the position angle, height and the like of the spraying head can be rapidly adjusted, different positions such as vegetation surface leaves and roots can be directly watered and irrigated conveniently, and the situation that the spraying head is far away from the needed watering and irrigating distance, and watering and irrigating are not needed can be avoided. The water source is sprayed to other positions in a flowing mode and evaporated in the process of flowing to the corresponding position needing watering, the water source is wasted, the good water saving effect is achieved, and meanwhile the irrigation work efficiency can be further improved.

The invention discloses a two-effect energy-saving ammonia distillation system for kitchen waste anaerobic liquid. The two-effect energy-saving ammonia distillation system comprises a first-effect heat exchanger, a first-effect ammonia distillation tower, a first-effect separation tank, a second-effect heater, a second-effect ammonia distillation tower, a second-effect heat exchanger, a second-effect separation tank, an ammonia recovery device, a cooler, an absorption ejector and a second-effect condenser, the first-effect heat exchanger is connected with the first-effect ammonia still and is used for heat exchange and feeding; a top outlet of the first-effect ammonia still is connected with the second-effect heater, the second-effect heater is connected with the first-effect separating tank, the first-effect separating tank is connected with the first-effect ammonia still, the second-effect heat exchanger is connected with the second-effect ammonia still, and outlets of the second-effect heater and the second-effect ammonia still converge and are jointly connected with the second-effect condenser. The second-effect condenser is connected with a second-effect separation tank, and the first-effect separation tank and the second-effect separation tank are connected with an absorption ejector at the same time. The problems that an existing ammonia still cannot effectively improve the production efficiency and cannot effectively guarantee reduction of energy consumption are solved.

The invention discloses a flexible anti-evaporation unpowered cooling film system capable of being automatically retracted and released, and aims to solve the problems that an artificial reservoir or a water channel is large in water storage area and large in water evaporation capacity. According to the unpowered cooling film system capable of being automatically retracted and released, two rotary drum frames, a sleeve and a guide roller are installed on a floating plate, an unpowered cooling composite film is wound around the sleeve, two parallel guide rails are arranged on the side face of the floating plate, a first limiting block and a second limiting block are arranged on the guide rails, and each sliding block is arranged on a lead screw in a sleeving mode to form a lead screw pair; the sliding blocks are in sliding connection with the guide rails, and the free end of the unpowered cooling composite film is fixed to the two sliding blocks. According to the unpowered cooling film system capable of being automatically folded and unfolded, the base film is subjected to dip-coating treatment to form a composite coating, the weather resistance of the unpowered cooling film is improved, the unpowered cooling composite film is unfolded through the unfolding mechanism, when the sun directly irradiates the water surface, the unpowered cooling composite film can achieve cooling to the maximum extent, and the service life of the unpowered cooling film is prolonged. Water evaporation is prevented.

The invention discloses a drainage basin ecological hydrological process simulation and prediction system based on a mechanism hydrological model and AI coupling, and relates to the technical field of drainage basin ecological hydrological simulation and prediction. Multi-source data integration and preprocessing are carried out through a data input layer, and a standardized data set is output and provided for a model coupling layer; the model coupling layer directly receives the standardized data set of the data input layer and outputs an optimized simulation result and a predicted value to the simulation and prediction layer; the simulation prediction layer receives a simulation result and a prediction value of the model coupling layer, performs multi-dimensional ecological hydrological element collaborative simulation and short-term-medium and long-term scene adaptive prediction, and outputs a simulation prediction result to the result output layer; and the result output layer receives the simulation prediction result of the simulation prediction layer and provides visual interaction and decision suggestion generation functions. The invention provides an innovative scheme of deep fusion of a mechanism model and an AI technology, and comprehensive requirements of physical rationality, data fitting precision, multi-element coverage and efficient response are covered.

The invention belongs to the technical field of irrigation systems, and particularly relates to an agricultural water-saving irrigation system which comprises a system base and a filter cartridge, the top of the system base is fixedly provided with a water storage tank, the top of the water storage tank is rotatably connected with an autorotation cylinder, and the filter cartridge is installed at the top of the autorotation cylinder. The top end of the autorotation cylinder is fixedly connected with an irrigation box, and the bottom of the irrigation box communicates with a liquid pipe. According to the irrigation device, irrigation water enters from the upper portion of the filter cylinder and then is filtered through the slope filter screen, so that impurities such as branches and leaves and silt in the irrigation water are blocked and fall into the net-shaped storage cylinder along the slope filter screen, and meanwhile, the net-shaped storage cylinder not only collects the impurities, but also has the filtering effect; the irrigation water can smoothly pass through the filter cartridge and is output through the adapting pipe, and the filter effect of the irrigation water is better under the adsorption and purification action of the activated carbon adsorption ball, so that subsequent irrigation is facilitated.

The invention provides a push-pull type excrement collector. The sewage inlet pipe is provided with an upper end opening, a sewage receiving port and a sewage discharge port, the upper end opening is communicated with the connecting pipe and connected to the bedpan, the sewage inlet pipe is communicated with the bedpan blow-off pipe, and an L-shaped structure is formed between the sewage inlet pipe and the bedpan blow-off pipe; the sewage discharge outlet is communicated with the sewage buffer area; the jet pipe is mounted at one end of the sewage receiving port; the opening direction of the jet pipe is consistent with that of the sewage discharge port; the jet pipe is connected with a gas source or a pressurized water source through a jet control valve, and a liquid jet source or a gas jet source is connected to the sewage inlet pipe. When the jet pipe sprays at a high speed, a vacuum area is formed in the sewage inlet pipe, and sewage discharge is promoted. The excrement collector further comprises an ejector, an ejector body is connected with the blow-off pipe, and a gap is formed between the ejector body and the blow-off pipe. An air inlet is formed in the ejector body, and the circumferential folding reducing pipe is connected to the ejector body. When high-speed compressed air is introduced into the ejector main body, the circumferential folding reducing pipe shrinks, a vacuum area is formed to prevent ejected air molecules from flowing back, and sewage discharge is promoted.

The application discloses a water-saving industrial wastewater treatment system with water circulation, and relates to the technical field of wastewater treatment.The system comprises a treatment tank, a first liquid inlet pipe and a second liquid inlet pipe symmetrically arranged on the top of the treatment tank, and a liquid outlet pipe connected to the bottom of the treatment tank; a grid and a sealing plate are sequentially installed in the treatment tank from top to bottom, the grid and the treatment tank jointly define a first space, the grid, the sealing plate and the treatment tank jointly define a second space, and the sealing plate and the treatment tank jointly define a third space; at least two membrane filtration assemblies are arranged outside the treatment tank and are communicated with the second space, the membrane filtration assemblies are used for receiving water bodies after passing through the grid and performing membrane filtration, and the water bodies after membrane filtration enter the third space through a connecting pipe.The system has good water-saving effect, high treatment efficiency, and the treated water bodies can be directly used as industrial water, thereby realizing water recycling.

The utility model belongs to the technical field of square cabin toilets, and particularly relates to a modularized multifunctional movable square cabin toilet which comprises a square cabin toilet body and a cabin door, the cabin door is installed on the surface of the square cabin toilet body, a solar panel is installed at the top end of the square cabin toilet body, a urinal is installed in the square cabin toilet body, and the solar panel is installed in the square cabin toilet body. The inner wall of the shelter toilet body is connected with a wash basin, and the back side of the shelter toilet body is connected with a water storage tank; a water outlet pipe is connected to the bottom end of the wash basin, a filter box is connected to the other end of the water outlet pipe, a drainage pipe is installed at one end of the filter box, and a filter screen is installed in the filter box. Then the wastewater is treated through a filter screen, a first activated carbon filter plate and a second activated carbon filter plate, and then the treated water resource is reused through a drainage pipe, so that the waste of the water resource is avoided.

The invention relates to a water vapor-organic working medium combined cycle power generation system which comprises a water vapor Rankine cycle and an organic working medium Rankine cycle, saturated steam generated by a boiler forms superheated steam through a superheater and drags a steam turbine generator to generate power, steam exhausted by a steam turbine is condensed in a condenser, and formed condensed water returns to the boiler through a water feeding pump and an economizer. A liquid organic working medium passes through an organic working medium booster pump, an organic working medium heater and a condenser to form organic working medium superheated steam, an organic working medium gas turbine generator set is dragged to generate electricity, and exhaust gas of an organic working medium gas turbine is cooled through the condenser to form the liquid organic working medium. And high-temperature flue gas generated in the fuel combustion or industrial production process is discharged after being cooled by the boiler body, the superheater, the economizer and the organic working medium heater, or is discharged from a chimney through purification equipment and an induced draft fan.

The efficient water-saving agricultural irrigation device comprises a water tank, one side of the water tank is in butt joint with a water pump, a water pipe of the water pump is in butt joint with a main body transverse pipe installed on the inner side of a device base, two rows of L-shaped pipes are arranged at the top of the device base in a penetrating mode, and thin hole spray heads are arranged at the bottoms of the L-shaped pipes; each L-shaped pipe in the two rows penetrates through the bottom of a water guide box, two partition plates and a V-shaped plate are fixed in the water guide box, and the V-shaped plate is fixed to the tops of the partition plates. By designing the flow dividing mechanism, the output frequency of the water pump can be used for driving the water guide plate to turn over, so that intermittent irrigation at different positions is completed, motor driving is not needed, then electric energy loss and production cost are reduced, maintenance cost caused by equipment damage is avoided, meanwhile, noise is lower, filtering can be carried out, and the irrigation efficiency is improved. Therefore, the water-saving drip irrigation device has a good progress effect and a water-saving effect.

The utility model discloses an intelligent water-washing cleaning machine which comprises a water-washing cleaning machine body, the left side of the water-washing cleaning machine body is fixedly connected with a fixing box, and the back face of the fixing box is communicated with a connecting pipe. The waste water is discharged into the fixed box through the connecting pipe, the waste water enters the fixed box, then dust and foreign matters in the waste water are filtered out through quartz sand and activated carbon particles, impurities in the waste water are filtered out through the filter plate assembly, dust particles and harmful substances in the waste water are removed, and the waste water is treated through the treatment plate. Fine floating objects in the wastewater are effectively filtered, and when the washing cleaning machine performs secondary operation, the treated wastewater can be used for primary rinsing operation and then can be directly discharged, so that the washing cleaning machine achieves an excellent water-saving effect, an existing mode of not treating and utilizing the wastewater is replaced, and the water-saving effect of the washing cleaning machine is improved. Therefore, the wastewater of later rinsing can be treated and utilized, and the water source is effectively saved.

The invention relates to the technical field of mushroom stick water injection, in particular to a mushroom stick water injection mechanism for injecting preset water quantity, which comprises a bottom groove body, a placing groove body for placing mushroom sticks is arranged above the bottom groove body, a telescopic connecting assembly is arranged between the placing groove body and the bottom groove body, and a connecting block is fixed on the side edge of the bottom groove body. The connecting block is provided with a water injection assembly and a control assembly used for controlling the water amount. The mushroom culture efficiency is effectively improved, the operation of injecting preset water into the mushroom sticks can be realized, the growth of mushroom hyphae is effectively ensured, and meanwhile, the whole device also has a relatively good water-saving effect.

The present invention discloses a high-efficiency multifunctional dust suppression nozzle, comprising a nozzle housing, a Venturi inner tube installed in the nozzle housing, a threaded adjustment ring connected to the outlet end of the nozzle housing, and a sealing disk arranged at the end of the threaded adjustment ring. The gas enters the Venturi inner cavity from the air inlet through the first guide port, the boost chamber, and the second guide port in sequence, and is first collided and mixed with the liquid flowing in from the Venturi water inlet; the mixed atomized droplets enter the primary mixing chamber along the Venturi inner cavity and are mixed again with the liquid flowing in from the water inlet hole of the primary mixing chamber in the primary mixing chamber; the atomized droplets enter the secondary mixing chamber and are mixed again with the liquid flowing in from the water inlet hole of the secondary mixing chamber; finally, after the liquid is fully mixed in the secondary mixing chamber, it is sprayed out by the first radial fan-shaped spray slot and the second radial fan-shaped spray slot matched therewith, forming a spray wall to capture the dust particles passing through. The present invention can improve the atomization rate, atomize evenly, and has a better water-saving effect.

The utility model discloses an automatic cleaning device based on an injection molding part of an automobile door protection plate, which relates to the technical field of cleaning instruments and comprises a support frame, a hanging conveying unit and an automatic cleaning unit, the supporting frame is fixedly connected to the lower side of the runway-shaped top plate. The hanging conveying unit comprises a hoisting sliding rail, an electric trolley, a suspension arm, a mounting base, a vacuum suction cup, an air pump and a hook. The automatic cleaning unit is installed at the lower end of the supporting frame and on the right side of the top plate. The hanging and conveying device is provided with the reliable hanging and conveying unit, the automobile door protection plate to be cleaned can be stably and reliably hung and placed, the runway-shaped lifting sliding rail enables the electric trolley to drive the lifting arm and the automobile door protection plate hung below the lifting arm to move in a surrounding mode, and therefore the automobile door protection plate is driven to be sequentially cleaned, air-dried and the like. Operators only need to hang the door protection plate on the suspension arm at the initial position, automatic cleaning and air drying of the door protection plate can be achieved, and great convenience is achieved.

The invention relates to the technical field of kitchen equipment automation control, and discloses an intelligent water-saving control method and system for a kitchen water valve, and the method comprises the steps: obtaining hardware configuration information, and executing initialization calibration; real-time pressure sensor data are obtained and filtered, and the current water level state is judged based on the filtering result; after the water level reaches the standard, flushing floating foam on the water surface; the temperature state of the cooking bench area is monitored in real time, and the thermal load level of the cooking bench is evaluated; cooling control is executed, and cooling requirements and water level maintaining requirements are cooperatively managed; the water consumption rule and control characteristics are analyzed, and control parameters are automatically adjusted; fault diagnosis and early warning are carried out, and faults are graded and emergency processing is carried out; through a multi-parameter fusion cooking bench thermal load comprehensive evaluation model, the limitation of single water temperature measurement is overcome, and a more reliable thermal state evaluation mechanism is established.

The invention discloses an intelligent water-saving valve control system for intelligent irrigation, which relates to the technical field of agricultural irrigation and comprises an environment detection system, a valve control system and a wind-solar complementary power supply system. The environment detection system is used for collecting soil temperature and humidity parameters, the pressure intensity value of the atmosphere, the wind direction, the rainfall capacity and the solar radiation intensity in real time and transmitting the parameters to the valve control system. The valve control system is used for judging whether to control opening or closing of a valve based on the soil temperature and humidity parameters so as to realize irrigation; the wind-solar complementary power supply system is used for supplying power to the whole system by using renewable energy wind energy and solar energy; according to the intelligent water-saving valve control system for intelligent irrigation provided by the embodiment of the invention, the irrigation requirements of plants are accurately judged, so that the purpose of timely irrigation is achieved, the optimal water demand of the plants is ensured, and meanwhile, water resources are fully utilized.

The invention relates to the technical field of environmental sanitation sweeping, in particular to a water-saving environmental sanitation sweeping vehicle which comprises a sweeping vehicle body, a water tank, a partition plate, a sweeping assembly, a spraying assembly and two monitoring assemblies. The partition plate divides the inner space of the water tank into a first cavity and a second cavity, a first top plate is arranged at the top end, located in the first cavity, of the water tank, a second top plate is arranged at the top end, located in the second cavity, of the water tank, the sweeping assembly is installed at the bottom of the sweeping vehicle body, and the top end of the sweeping assembly extends into the second cavity; the spraying assembly is installed on the outer wall of the rear side of the sweeping vehicle body and communicates with the first cavity, and the two monitoring assemblies are symmetrically arranged on the outer wall of the sweeping vehicle body. Part of sprayed water can be recycled while the spraying assembly works, the water saving effect is good, and water resources cannot be wasted.

This invention relates to a method for purifying water from deep, water-rich tunnels using a construction inclined shaft. The method includes the following steps: preliminary purification of the tunnel surface at the support face, including preliminary purification of the tunnel surface along the slope and against the slope; the installation of multi-stage sedimentation tanks within the main tunnel; the installation of water storage tanks and pumping stations; and further purification of tunnel wastewater in an external sedimentation tank. This method effectively removes tunnel construction wastewater through a preliminary purification system on the surface and through internal and external sedimentation and purification systems, ensuring a good construction environment. It has the advantages of being simple and practical, having good drainage and filtration effects, low pollution control costs, and enabling on-site recycling and reuse of wastewater with good overall performance.

The invention discloses an under-mulch drip irrigation cumin multiple-sowing millet planting method, and relates to the technical field of crop planting, the technical scheme is that the method comprises the following steps: S1, ploughing a planting land, planting cumin in eight rows, and carrying out soil sealing treatment; s2, film mulching and sowing, and drip irrigation under a film; s3, after the cumin is harvested, the millet is sown in situ. The line spacing, the hole spacing and the drip irrigation tape laying position are scientifically designed, the land use space is reasonably utilized, grain diameter matching, two crops in one year, two purposes of one fertilizer, two purposes of one film and two purposes of one pipe are achieved, the number of times of mechanical operation and use of the agricultural film drip irrigation tape are greatly reduced, and the crop yield is effectively increased.

The invention discloses a solar energy and potential energy wastewater recycling and reuse system, which is modified on the original water pipeline, including a water inlet pipeline, a No. 1 U-shaped pipeline, a No. 2 U-shaped pipeline, a sewage pipeline, a water pump, a water pump, a wastewater inlet pipe, a water pump, a wastewater supply pipeline, a water supply main pipeline, a toilet flushing pipeline for tap water, a one-way valve, and a toilet flushing pipeline. The water inlet pipeline is connected to a hand-washing pool drainage pipeline, and the other end of the water inlet pipeline is connected to one end of the No. 1 U-shaped pipeline, and the other end of the No. 1 U-shaped pipeline is connected to the sewage pipeline; an interface connected to one end of the water pumping pipeline is arranged on the lower side of the middle of the No. 2 U-shaped pipeline, and the other end of the water pumping pipeline is connected to the inside of the water tank; the No. 1 U-shaped pipeline can filter large particles in the wastewater. The system collects the wastewater used in the upper floor of the public building and uses it as water for flushing toilets on the adjacent floor or the lower floor, thereby improving the utilization rate of water resources.

The invention relates to the field of degradable mulching films, and particularly discloses a degradable mulching film for rice and a preparation method of the degradable mulching film. The degradable mulching film for rice comprises the following substances in percentage by mass: 0-65% of PBAT (poly (butylene adipate-co-terephthalate)); 20-25% of PPC (polypropylene carbonate); 3-5% of black master batch; 1-2% of a hydrolysis-resistant auxiliary agent; the hydrolysis-resistant auxiliary agent comprises a haplotype carbodiimide hydrolysis-resistant agent or a polymeric carbodiimide hydrolysis-resistant agent. The preparation method comprises the following steps: S1, drying the raw materials; s2, preparing the mulching film. The mulching film can be used for paddy fields, and has the advantages of excellent hydrolysis resistance, excellent weather resistance, biodegradability, high water vapor barrier property and the like.

The present invention discloses a flushing and sewage discharge system of an intelligent toilet; the system comprises an integrated barrel body, the barrel body comprises a toilet bowl and a box body located at the rear end of the toilet bowl, the box body is sunken and has the same height as the toilet bowl; the toilet bowl is provided with a washing port and a jet port; the box body comprises a water suction pipe part for connecting with the toilet bowl at the bottom and a water storage part for storing water at the top; the water storage part comprises a water storage tank and a mounting cavity for placing components arranged at one side of the water storage tank; the water storage tank is provided with a water inlet valve, the water inlet valve is connected with a water pump; the mounting cavity is provided with a three-way reversing valve, the three-way reversing valve comprises a water inlet pipe port connected with the water pump, a washing pipe port connected with the washing port and a jet pipe port connected with the jet port; the system also comprises an electric control board respectively connected with the three-way reversing valve and the water pump electrical signal. The present invention has a miniaturized and lightweight appearance while meeting the requirements of washing and jet flushing of the toilet.