15 results about "Dry water" patented technology

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 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 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 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 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.

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.

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 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.