31 results about "Dry water" patented technology

The invention discloses a water level-reservoir capacity curve construction method and device based on a remote sensing image. The method comprises the following steps: collecting basic information of a reservoir, actually measured water level data, characteristic value data and a remote sensing image corresponding to the reservoir; matching a corresponding remote sensing image according to reservoir coordinates and actually measured water level data time, extracting reservoir water surface areas in a wet water period, a dry water period and a flat water period, and fitting the reservoir water surface areas with actually measured water level data to obtain a water level-area relation curve; based on the water level-area relation curve, calculating the dead water level area of the reservoir, and based on the dead water level area and the dead storage capacity, calculating the storage capacities of the reservoir in the wet season, the dry season and the flat season; and fitting to obtain a water level-storage capacity curve based on the storage capacity of the reservoir in the wet season, the dry season and the flat season and the actually measured water level data. According to the method, a new thought is provided for constructing the water level-storage capacity curve of the reservoir without data or with data difficult to obtain.

The invention relates to phase change concrete and a preparation method thereof. The concrete comprises the following components by kg / m < 3 >: 450-650 of Yunnan concrete stone; 200 to 400 parts of phase change aggregate; 450 to 550 parts of cement; 40-60 parts of silica fume; 600 to 800 parts of common sand; 5-7 parts of a high-efficiency water reducing agent; and 120 to 140 parts of water. The method comprises the following steps: 1, drying cloud concrete stone needing to pre-adsorb a phase change material in a drying oven until the weight is constant; 2, drying the paraffin phase change material into a liquid state, putting the cloud concrete stone into the liquid paraffin, and carrying out vacuum adsorption; 3, performing third-time modification on the cloud concrete stone after paraffin adsorption by using ultra-high-performance cement mortar twice and foam mortar once respectively; 4, performing saturated surface dry water absorption treatment on the unadsorbed phase-change material cloud concrete stone; and 5, pouring the Yunnan concrete stone, the phase-change aggregate, the cement, the silica fume and the common sand into a concrete mixer, and uniformly mixing to obtain the phase-change concrete.

The invention discloses a gel dry water fire extinguishing agent with high stability and high water-retaining property and a preparation method of the gel dry water fire extinguishing agent. The gel dry water fire extinguishing agent is of a composite structure formed by combining hydrophobic nano silicon dioxide and ferrocene to form an inert shell, combining an anion and nonionic compound solution and a liquid core gel system cross-linking solution to form a gel dry water liquid core, and wrapping the gel dry water liquid core by the inert shell. The preparation method comprises the following steps: S1, preparing an anionic and nonionic compound solution; s2, preparing a liquid core gel system cross-linking solution; s3, mixing and stirring the anionic and nonionic compound solution and the liquid core gel system cross-linking solution to obtain a gel dry water liquid core stock solution; and S4, hydrophobic nano silicon dioxide, ferrocene and the gel dry water liquid core stock solution are mixed and stirred at a high speed through a precise high-speed dispersion machine, tiny liquid drops of the gel dry water liquid core stock solution are evenly wrapped by the hydrophobic nano silicon dioxide and the ferrocene, and finally the gel dry water fire extinguishing agent is formed.

The invention relates to the technical field of fire extinguishing materials, in particular to a fire extinguishing agent and a preparation method thereof.The fire extinguishing agent is prepared from, by weight, 18-20 parts of composite solution, 1.5-2.2 parts of modified silicon dioxide, 0.3-0.4 part of calcium carbonate and 0.08-0.1 part of preservation.The shell material silicon dioxide of the fire extinguishing agent is modified, a composite cross-linking agent is added into a core material composite solution of the fire extinguishing agent, and the fire extinguishing agent is prepared. The problem that an existing dry water fire extinguishing agent shell material is unstable in structure is solved, and meanwhile the fire extinguishing effect is greatly improved.

The invention discloses a river habitat ecological flow regulation and control device and method based on a multi-objective optimization algorithm, and relates to the technical field of river flow regulation and control. A double-support fixing frame is installed between two lateral confinement baffles, and a plurality of lifting fixing holes are formed in the top end of the double-support fixing frame at equal intervals; a plurality of fixed belt transmission boxes are clamped to the top end of the double-support fixing frame at equal intervals, and transmission motors are installed at the positions, corresponding to input shafts of the fixed belt transmission boxes, of the top end of the double-support fixing frame through motor bases. The drainage position is regulated and treated according to low water and high water, so that the water flow can be stably stored and slowly discharged when the water is low, and can be quickly discharged when the water is high, the overflow condition is avoided, the flow velocity and flow of the water flow are stably regulated and treated according to the actual environment, and the regulation and control effect is ensured.

The utility model discloses a dry-type water meter counter which comprises a transparent upper cover and a lower shell with an upward opening which are buckled and sealed to form a totally-closed shell, and a counting mechanism is wrapped in the totally-closed shell; a first annular step surface is arranged on the outer circumference of the upper end of the lower shell; a second annular step surface is arranged on the inner wall of the circular barrel of the transparent upper cover; a plurality of outward radial convex blocks are arranged on the outer circumference of the lower shell below the first annular step surface; a plurality of radial through holes which are in one-to-one correspondence with the plurality of outward radial convex blocks and are used for mutually clamping are formed in the circumferential wall of the lower end of the circular barrel of the transparent upper cover; and a sealing ring which is made of a high-resilience material and is compressed to a half of the original height is arranged between the first annular step surface and the second annular step surface. The dry-type water meter counter can prevent water vapor from entering the upper cover from the joint of the upper cover and the lower shell within the shelf life of 6 years so as to ensure that the reading of the counter can be seen clearly, the insertion process is smooth and fast, and the clamping connection is firm and reliable after insertion.

The production device comprises a shell, a drying groove is formed in the front side of the shell, a sealing door is installed at a groove opening of the drying groove, and a handle is installed on the sealing door; the placing mechanism comprises a rotating shaft rotationally connected between the upper inner wall and the lower inner wall of the drying groove, the placing mechanism comprises a plurality of mounting strips fixedly connected to the side wall of the rotating shaft, the other side of each mounting strip is fixedly connected with a placing plate, and a placing groove is formed in the upper end of each placing plate; a plurality of openings are formed in each placing plate in a penetrating manner; and the heating mechanism comprises a hollow disc arranged at the bottom in the shell. In the actual use process of the device, the overall drying efficiency is effectively improved, and during drying, a cyclic heating mode is adopted, so that heat energy waste is reduced, and meanwhile, water vapor generated during drying can be treated.

The utility model relates to the technical field of copper strip processing, and discloses an air drying device for copper strip processing, which comprises a box body, a side air mechanism and an air uniformizing mechanism, a feed port and a discharge port are respectively arranged on two sides of the box body, and a first conveying roller group and a second conveying roller group are respectively arranged on one side, close to the feed port and the discharge port, in the box body. The feeding device is used for feeding and discharging copper strips; the crosswind mechanism is arranged between the first conveying roller set and the wind uniformizing mechanism and used for blowing water stains on the surface of the copper strip to be flat; the air uniformizing mechanism is arranged between the side air mechanism and the second conveying roller set and used for drying water stains generated after the surface of the copper strip is blown to be flat. Through the arrangement of the crosswind mechanism, water stains with different heights on the washed copper strip are blown to be flat, the surface area of the water stains is increased, and the follow-up water stain volatilization efficiency is improved; and through the arrangement of the air uniformizing mechanism, the flatly-blown copper strips are uniformly heated and air-dried, so that the surfaces of the copper strips can be uniformly heated, and the air-drying effect is improved.

This invention discloses a dry-water type carbon dioxide absorbent with photothermal conversion properties, its preparation method, and its application. The dry-water type carbon dioxide absorbent includes an encapsulation material and an organic amine solution encapsulated within the encapsulation material; the encapsulation material includes a hydrophobic material and a light-absorbing material. This absorbent is formed by adhering the hydrophobic and light-absorbing materials to the surface of the organic amine solution through a high-speed moving organic amine solution, thus encapsulating the organic amine solution to form dry-water type liquid beads. The dry-water type carbon dioxide absorbent provided by this invention absorbs and stores energy under sunlight, and performs carbon dioxide desorption and release, so that the desorption-induced heating does not require an additional heat source, reducing regeneration energy consumption.

This application belongs to the field of composite material preparation technology, specifically relating to a dry, water-like multiphase nano-fire extinguishing agent material and its preparation method and system. The method includes: cooling a liquid to 0℃-5℃ to obtain a first liquid; forming an aerosol from hydrophobic solid powder under gas-driven conditions; atomizing the first liquid while simultaneously coating the surface of the atomized droplets with the aerosol, thereby obtaining the dry, water-like multiphase nano-fire extinguishing agent material. This method enables real-time preparation with high efficiency. The dry, water-like multiphase nano-fire extinguishing agent material prepared by this method exhibits high structural integrity, high water content and conversion rate, and excellent fire extinguishing performance.

The utility model discloses a mold cleaning device which comprises a mold cleaning tank, and an end face cleaning square pipe, a side face cleaning square pipe and a bottom face cleaning square pipe are sequentially arranged on the inner side of the mold cleaning tank from top to bottom. By means of the three-dimensional layout of the end face cleaning square pipe, the side face cleaning square pipe and the bottom face cleaning square pipe and the combination of the electric three-way valve for switching composite treatment of high-pressure water and high-pressure air, multi-face synchronous cleaning and rapid air-blowing drying of the mold are achieved. Due to the design of the end face inclined high-pressure cleaning head, the side face double-vertical water spraying holes and the bottom face upward high-pressure spraying transverse water pipe, stubborn dirt on all the surfaces of the mold can be thoroughly removed, and cleaning dead corners are avoided; and through linkage of the high-pressure air pump and the electric three-way valve, water stains are quickly dried after cleaning, an additional drying procedure is not needed, and the problems that a traditional device is not thorough in cleaning, and mold corrosion is caused by water stain residues are effectively solved.

The present invention discloses a red tube wall thickness detection device and a detection method. The detection probe is arranged in the water-cooled probe body, and the dry water-cooling system of the water-cooled probe body is used to cool down the detection probe, and the working temperature of the detection probe is controlled below 80 degrees Celsius. The water-cooled probe body is installed in the bridge, and the bridge walks along the outer wall of the red tube by using the moving wheels. The detection probe detects the wall thickness of the red tube in the area passed in real time, and the detection probe automatically transmits the measurement data to the control system in real time by using the data line. The red tube wall thickness detection device of the present invention has a simple structure, good flexibility, is easy to install and use. By using an electromagnetic ultrasonic detection probe plus dry water cooling, the wall thickness detection of an 800°C red tube is realized, changing the passive detection of the wall thickness of centrifugally cast tubes, and providing a feasible solution for automated active on-line detection.

The invention relates to the technical field of geological exploration, and discloses a field preprocessing device for water-based sediments, the field preprocessing device comprises a controller, a mover, a drying mechanism, a drying box, a box body and a containing groove, the drying box, the box body and the containing groove are all arranged on the top side of the mover, the box bodies are all located on the same side of the containing groove, and the containing groove is used for storing tools; the box body is used for storing collected water-based sediments; the drying mechanism is arranged in the drying box, and the drying box is used for containing to-be-dried water-based sediments so that the drying mechanism can conduct air drying on the water-based sediments; the controller is electrically connected with the mover and the drying mechanism, and the controller is used for controlling the mover to move along with a worker so that the drying mechanism can dry all the water-based sediments in the moving process of the mover. According to the technical scheme, sampling and drying are carried out at the same time, drying is not needed after collection is completed, the drying time is shortened in a disguised mode, and the overall efficiency is improved.

The invention relates to the technical field of water flow monitoring, in particular to a culvert flow measuring device which comprises a pouring type culvert and further comprises cleaning grooves, a linear groove, a rotating seat, an ultrasonic receiver, an ultrasonic transmitter, a transmission assembly, a desilting belt and a driving assembly. The linear grooves are formed in the four corners of the cleaning groove, the rotating bases are installed in the cleaning groove at equal intervals, and the ultrasonic receivers are installed at the top of the pouring type culvert. The ultrasonic transmitters and the dredging belts are arranged in a staggered mode, and the dredging belts are driven by water flow on the outer side of the culvert to rotate, so that the problem that the flow monitoring precision is greatly reduced due to sediment deposition in the culvert due to the fact that the flow speed of branches in the midstream area of the Yellow River is reduced in the dry season is solved, and the advantages that sediment deposition in the culvert can be avoided; and the flow monitoring precision of the branch in the midstream area of the Yellow River in the dry season is fully ensured.

The application discloses a dry water stemming for mine blasting operation and a working method thereof, which is mainly formed by mixing dry water material, CuCl2+MgCl2 modified dry water material and NaHCO3 modified dry water material, wherein the mass ratio of the dry water material is 89% to 96%, the mass ratio of the CuCl2+MgCl2 modified dry water material is 4% to 10%, and the mass ratio of the NaHCO3 modified dry water material is 0.4% to 1%; the dry water material is formed by gas-phase hydrophobic SiO2 and water under the action of high-speed stirring and shearing; the CuCl2+MgCl2 modified dry water material is formed by gas-phase hydrophobic SiO2 and CuCl2+MgCl2 aqueous solution under the action of high-speed stirring and shearing; and the NaHCO3 modified dry water material is formed by gas-phase hydrophobic SiO2 and NaHCO3 aqueous solution under the action of high-speed stirring and shearing. The application enhances the adsorption effect on the dust, CO, SO2, H2S and NOx after blasting, can better play a plugging role, realizes the purpose of on-site solidification of the blasting smoke, improves the utilization rate of the detonation wave and reduces the harmful effect of blasting.

The invention relates to a fall detection floor, comprising: a power supply module, a sensor input module, a microcontroller module, a heating module, a network transmission module and an Internet of Things platform. The invention has the following beneficial effects: the fall detection floor is based on an STM32 chip; the heating module is designed to heat and dry water droplets on the surface of the floor; the semiconductor refrigeration sheet in the heating module is used for heating; the thermal conductive pad in the heating module makes full use of heat conduction to make the water on the sole of the pedestrian evaporate quickly, with high thermal efficiency and shortening the drying time of the sole; a gravity sensor is used to detect the sudden change of gravity when the pedestrian passes by, and whether a fall event occurs is determined based on whether normal gravity is restored; a strain resistor is added to determine whether the shape of the force-bearing area is consistent with the contour of the human body, thereby improving the accuracy of judging the fall event; the fall detection floor has a simple structure, and the installation method is suspended laying, which is easy to install and maintain; the Internet of Things platform is convenient for users to debug the temperature condition of the floor.

The utility model belongs to the technical field of ventilation equipment, and discloses a dry-type water pond structure for draining condensate water, which comprises a dry-type water pond body, a liquid level sensor is fixedly mounted on the inner side of the dry-type water pond body, and a controller is fixedly mounted in the middle of the front of the dry-type water pond body. An alarm located on the right side of the controller is fixedly installed on the front face of the dry type water pond body. According to the dry type water pond, the liquid level sensor, the controller and the alarm are arranged, when condensate water in the dry type water pond body submerges the liquid level sensor, the liquid level sensor sends a signal to the controller at the moment, the controller receives the signal and controls the alarm to operate, and therefore the purpose of reminding personnel that the water level in the dry type water pond body is too high is achieved; the problem that condensate water flows out due to the fact that the drainage hole is blocked is solved, the early warning performance of the device is improved, and meanwhile the situation that the condensate water flows out to damage equipment is avoided.

The invention relates to an inert gas / liquid-solid composite modified dry water explosion suppression material as well as a preparation method and application thereof, aiming at the explosion characteristics of a hydrogen / hydrogen storage metal powder composite system, the physical heat absorption explosion suppression effect and the chemical blocking explosion suppression effect of the explosion suppression material are enhanced, and the explosion suppression efficiency is further improved. The invention discloses an inert gas / liquid-solid composite modified dry water explosion suppression material which is prepared from the following raw materials in parts by weight: 80-100 parts of deionized water, 3-5 parts of a salt additive, 3-5 parts of a surfactant, 20-30 parts of perfluorohexanone and 6-9 parts of hydrophobic SiO2. According to the inert gas / liquid-solid composite modified dry water explosion suppression material and the preparation method, the explosion suppression effect is remarkably improved, and the inert gas / liquid-solid composite modified dry water explosion suppression material has the characteristics of cleanness, high efficiency and convenience in storage and use; the method is suitable for popularization and application.

The invention provides a dry water fire extinguishing material as well as a preparation method and application thereof, and belongs to the technical field of dry water fire extinguishing materials, and the dry water fire extinguishing material is prepared by adopting a physical dispersion method under the process conditions that the mass ratio of fumed silica to deionized water is 1: 13, the stirring rotating speed is 11000rpm and the time is 5s. The dry water fire extinguishing material prepared by the method is more stable in structure, clearer in form and more uniform in size distribution.

This invention discloses a composite heating tunnel fluidized bed furnace, belonging to the technical field of powder drying equipment. It includes a drying tunnel with a drying water supply system on its side. The two ends of the drying tunnel are respectively designated as a feed end and a discharge end. A blowing pipe and an exhaust pipe are located at the top of the drying tunnel. Drying pipelines and a conveying mechanism are installed inside the drying tunnel. The drying pipelines are located at the top and bottom of the drying tunnel. The conveying mechanism includes a fluidization auxiliary belt and a fluidization assembly. This invention uses the fluidization assembly to drive the fluidization auxiliary belt to vibrate at high frequency, loosening and tumbling the gunpowder powder layer, improving heat transfer efficiency and avoiding violent particle collisions. A movable electrostatic discharge channel enables continuous electrostatic discharge throughout the belt movement. A height-limiting baffle controls the material layer thickness and fluidization effect. A protective atmosphere is formed through combined heating of hot water radiation and inert gas convection, achieving active directional dispersion of solvent vapors and dust.

The invention discloses a method for preparing nanoparticles by a dry water method, which comprises the following steps: dissolving a water-soluble substance in water, violently stirring the water-soluble substance and hydrophobic nanoparticles to form a dry water structure, and then drying the dry water structure to complete nanocrystallization preparation of the water-soluble substance. According to the method, the size of a to-be-prepared substance is limited by using a dry water structure to obtain the nano-particles.

1. Name of the Design Product: Water Meter Housing (Applicable to Both Dry and Wet Base Meters). 2. Use of the Design Product: It belongs to a general-purpose housing and forms a dry water meter or a wet water meter when combined with a dry or wet water meter base meter. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective View.

The application discloses a DOPO modified dry water explosion inhibitor and a preparation method and application thereof, and belongs to the technical field of safety chemistry. A silane coupling agent is added to a DOPO solution to obtain a DOPO type silane coupling agent through stirring; the DOPO type silane coupling agent is added to fumed silica to obtain DOPO modified fumed silica through stirring or ultrasonic dispersion, and then the DOPO modified fumed silica is filtered and dried to obtain a dry water explosion inhibitor. The core material and the wall material of the dry water are modified, and the explosion inhibition performance of the dry water is significantly improved. The addition of DOPO endows the dry water with good flame retardant performance, and the dry water can effectively inhibit flame propagation under high-temperature or fire source conditions; the composite use of the explosion inhibitor enhances the explosion inhibition effect of the dry water, forms a composite material with higher explosion inhibition performance, and can adjust the types of the explosion inhibitor according to actual application environments, and can be widely applied to explosion prevention requirements in different scenes.

The invention relates to a method for detecting the solid content of water-based wax, which comprises the following steps of: drying a water-based wax sample by adopting gradient heating, and calculating the solid content of the water-based wax by utilizing the following formula: solid content = (dried water-based wax sample / water-based wax sample before drying) * 100%. According to the method, the water-based wax sample is dried by adopting a gradient heating method, so that compared with the traditional method for drying the water-based wax at a single temperature, a more excellent separation effect on water and a solvent can be realized, and the tested solid content of the water-based wax is more accurate.

The invention provides a closable water seal floor drain device and an installation method thereof. The closable water seal floor drain device comprises a body, a supporting piece, a cover plate and an adjusting piece. A containing cavity is defined in the body, and an extending drainage pipe is arranged in the containing cavity. The supporting piece is arranged at the inlet end of the body; the cover plate comprises a top wall and a side wall extending from the periphery of the top wall, and a pipe opening of the drainage pipe extends into the cover plate; the adjusting piece is movably connected with the supporting piece, is in transmission connection with the cover plate and is used for driving the cover plate to move in the axial direction of the drainage pipe; the cover plate can be switched between a closing position and an opening position. When the cover plate is located at the closing position, the inner surface of the cover plate abuts against a pipe opening of the drainage pipe to block the drainage pipe. When the cover plate is located at the opening position, the cover plate is separated from the pipe opening of the drainage pipe, and the side wall of the cover plate and the outer wall of the drainage pipe are kept overlapped in the axial direction, so that water seal fit is formed in the containing cavity. The problems that active closing cannot be achieved, and sealing failure is easily caused by water seal drying or backward flowing are solved.

The invention discloses a non-dry water phase system, a preparation method and application thereof, and a trace solution system. At least one hygroscopic inorganic salt is dissolved in the water phase system; the total concentration of the hygroscopic inorganic salts is greater than or equal to 0.05 g / mL; under the conditions that RH is larger than or equal to 10% and T is smaller than or equal to 40 DEG C, the volume of the water phase system per unit volume is stabilized within a threshold volume range; the unit volume is V0, and the range of the threshold volume Vt is 0.20 V0 < = Vt < = 1.20 V0. The water phase system provided by the invention can keep the volume stable for a long time, and can effectively resist evaporation at low humidity and high temperature.

The invention relates to an anti-dry water heater. The dry-heating-resistant water heater comprises an inner container, a heating pipe, a water outlet pipe, a water inlet pipe, a first insulation connecting piece, a first non-contact type detection device, a second insulation connecting piece, a second non-contact type detection device and a controller. The first insulating connecting piece is detachably connected with the water inlet pipe and is provided with a first pipeline, the first pipeline is communicated with the water inlet pipe, the second insulating connecting piece is detachably connected with the water outlet pipe and is provided with a second pipeline, and the second pipeline is communicated with the water outlet pipe; the first non-contact detection device and the second non-contact detection device are respectively arranged on the outer walls of the corresponding insulating connecting pieces and are respectively used for acquiring a first water flow signal of water flow in the first pipeline and a second water flow signal of water flow in the second pipeline; the controller is used for controlling the heating pipe to work when heating is started and the first water flow signal and the second water flow signal are received at the same time. The dry-heating-resistant water heater is convenient to maintain and safer.

The invention belongs to the technical field of chemical engineering, and particularly relates to dry water powder coated with a strong corrosive solution as well as a preparation method and application of the dry water powder. The invention relates to dry water powder coated with a strong corrosive solution, which is formed by coating an inner layer of the strong corrosive solution on an outer layer of a corrosion-resistant hydrophobic particle which has surface activity and is subjected to hydrophilic modification, and a preparation method of the dry water powder comprises the following steps: mixing the corrosion-resistant hydrophobic particle with the strong corrosive solution; the strongly corrosive solution is uniformly dispersed through mechanical stirring and is coated by the hydrophobic particles, so that the dry water powder coated with the strongly corrosive solution is formed. The dry water powder disclosed by the invention is free-flowing granular powder, has good dispersity and stability, and can be stored for one day at room temperature without leakage; the dry water powder can be used for safe storage and transportation of highly corrosive solutions, significantly reduces the risk of highly corrosive solution leakage and environmental pollution, and has wide industrial application scenarios.

The invention provides an operation method of a hydraulic dam group for controlling a riverbed to greatly scour and deposit in a compound channel, which comprises the following steps of: alternately adopting a dynamic operation mode of dam collapse in a flood season, dam lifting in a non-flood season, dam lifting in a main channel and dam collapse in a beach land on the interyear by combining the interannual deposition characteristic and hydrological cycle of channel silt, and establishing a graded dredging mechanism at the same time; and regular monitoring and desilting are conducted on the upstream reach of the hydraulic dam located on the upstream, and normalized maintenance and desilting are conducted on the surface of the hydraulic dam structure. According to the running mode of dam collapse in the annual flood season and dam rising in the non-flood season, water conservation in the non-flood season with relative water shortage can be guaranteed, manual intervention is not adopted in the flood season with relatively abundant water, flood discharge and sand flushing of the riverway are relatively natural, it is guaranteed that the annual water amount of the riverway is considerable, and the water quality of the riverway is improved. A natural means is utilized to ensure that riverbed siltation is not excessively developed; the running mode of the full-year main groove dam rising and beach land dam collapse ensures that the water source is reserved in the flat water year or the dry water year, and meanwhile, the easily-deposited beach land part is subjected to water flushing. By adopting the hydraulic dam group operation mode provided by the invention, great erosion and deposition of a riverbed can be relieved.

The invention discloses a runoff cross-year simulation adjustment method and system for a series reservoir group and a storage medium. The method comprises the steps that 1, basic parameters of the series reservoir group are collected to establish a reservoir capacity-siltation amount relation formula; 2, drawing up a continuous desilting scheduling sequence of the inter-year series reservoir group; 3, according to actually measured runoff sediment data, designing a water and sediment representative series with periodic changes of wet water, flat water and low water; 4, calculating the outbound flow of the upper-level reservoir and the lower-level reservoir; 5, calculating hydraulic elements of the upper-level reservoir and the lower-level reservoir by utilizing water flow motion characteristics; 6, calculating sediment erosion and deposition factors of each section of the upper-level reservoir and the lower-level reservoir; 7, calculating the terrain of the last river channel in the current time period, and judging whether the simulation end moment is reached or not to obtain a first judgment result; and 8, determining that the combined dispatching application mode proposed by the reservoir group is feasible. According to the method, the runoff cross-year regulation is realized on the basis of keeping the effective storage capacity of the reservoir group by drawing up the combined dispatching application mode, and the accuracy of runoff cross-year regulation simulation is improved.