59 results about "RETENTION WATER" patented technology

The invention discloses a saline-alkali soil improvement control analysis method and system based on digital twinning, and belongs to the technical field of saline-alkali soil improvement control analysis, and the method comprises the steps: firstly obtaining and preprocessing the terrain, soil permeability and precipitation data of saline-alkali soil, predicting a retention water accumulation region through employing a support vector machine algorithm, and estimating the amount of retained water by using a Kriging interpolation method. Then, the dynamic change process of the retained water is simulated through an artificial neural network algorithm, the information is integrated into a digital twinborn model, and visualization of spatial distribution and dynamic change of the retained water is achieved. And finally, on the basis of retained water information in the digital twin model, optimizing the layout and depth of the drainage ditch, selecting proper drainage materials and modes, and forming a complete drainage design scheme. According to the method, accurate prediction, dynamic simulation and visual analysis of the retention water of the saline-alkali soil are realized through a method of combining data driving and an intelligent algorithm, and a scientific basis and decision support are provided for improvement of the saline-alkali soil and agricultural production.

The utility model discloses an external pressure type ultrafiltration membrane water purifier with a backwashing function, which belongs to the technical field of water purification, and comprises a water flow control composition mechanism, one side of the water flow control composition mechanism is fixedly connected with a purified water outlet pipe, and the other side of the water flow control composition mechanism is fixedly connected with a water inlet pipe. A purification faucet is fixedly connected to the output end of the purification water outlet pipe, a water purifier assembly is installed on the other side of the water flow control composition mechanism, and a filter assembly is installed between the water flow control composition mechanism and the sewage outlet pipe. According to the utility model, the water flow control composition mechanism, the water purifier assembly and the filter assembly which are simple in design are adopted, and dirt and impurities in a filter element of the water purifier can be more thoroughly removed by combining the technologies of pollution discharge at any time and backwashing pollution discharge of the ultrafiltration membrane water purifier, so that the water purifier reaches the standard of national direct drinking water, and mineral substances beneficial to a human body in water are retained.

The present invention relates to an absorber including a first water absorption layer, and a second water absorption layer laminated on the first water absorption layer, in which the first water absorption layer contains water-absorbent resin particles (I) having a water retention capacity of physiological saline of 32 to 80 g / g and a one-minute value of a lockup height of 1.6 cm or less, and the second water absorption layer contains water-absorbent resin particles (II) having a one-minute value of a lockup height of more than 1.6 cm.

An apparatus for effecting water potential in a water-containing media comprising a water-permeable housing, a volume changing material that can retain water, a compressible insert and a receiver for receiving and transducing a signal, is provided.

The utility model relates to the technical field of water treatment, and discloses water treatment circulating filtration equipment for a container plant factory, which comprises a mounting base, a water inlet arranged at the top of a settling tank, a filter tank, a water storage tank, a water outlet arranged at the top of the settling tank, and a water outlet arranged at the top of the filter tank, firstly, a filter plate can block and remove large-particle floating objects, a handle can quickly take out the filter plate to be replaced and cleaned, an activated carbon layer removes organic matters, peculiar smell and pigments in water, a ceramic filter layer efficiently filters and retains beneficial minerals to remove bacteria, viruses and macromolecular organic matters, and the filter plate can be quickly taken out to be replaced and cleaned. Meanwhile, beneficial mineral substances such as potassium and sodium in the water are retained, the ultraviolet sterilizer sterilizes the filtered water, bacteria and viruses in the water are effectively killed again, the water quality safety is ensured, and the reverse osmosis equipment can further improve the water quality.

A modular pumped storage hydropower system may include a shaft having a first end located opposite a second end. A reservoir is connected to the first end of the shaft. The second end of the shaft is configured to be located under a surface of ground. The second end of the shaft has a first compartment and a second compartment. The first compartment retains a pump assembly having an inlet in hydro communication with the second compartment. The second compartment is configured to retain water. A pipe has a first end connected to the pump assembly located opposite a second end extending through a cover of the first end of the shaft. The second end of the pipe is in hydro communication with the reservoir. The pipe of the pump assembly transfers water from the second compartment of the second end of the shaft to the reservoir.

A container for packaging prepared foods, wine bottles, plants, and flowers suitable for use in greenhouses, floriculture, hydroponic farms, fast-food outlets, gift, and promotional packaging. The container includes but is not limited to a top, bottom, and middle section. The container is made using standard paperboard, standard die cutting equipment and standard cup forming manufacturing machinery. The container has no top rolled rim like a standard paperboard cup. The collapsible middle section is defined by cutouts that ensure that the ribs between cutouts remain separate during collapsing, facilitating radial collapsing of the middle section. Rounded top and bottom ends of the cutouts simplifying paperboard removal of paperboard from the cutouts. Fold lines are provided on the ribs to facilitate folding of the ribs during use. The container can retain water or be used without water.

The utility model discloses an EDI (Electrodeionization) membrane stack for purifying nuclear wastewater, which comprises an anode fixing plate, a cathode fixing plate, a fresh water chamber partition plate, a concentrated water chamber partition plate and anion-exchange membranes, the cathode fixing plate and the anode fixing plate are oppositely arranged at an interval, and a plurality of groups of anion-exchange membranes are arranged between the cathode fixing plate and the anode fixing plate in parallel; a fresh water chamber partition plate or a concentrated water chamber partition plate is arranged between two adjacent groups of anion exchange membranes, the fresh water chamber partition plate and the anion exchange membranes on two adjacent sides form a fresh water chamber, and the concentrated water chamber partition plate and the anion exchange membranes on two adjacent sides form a concentrated water chamber; the fresh water chambers and the concentrated water chambers are alternately arranged between the anode fixing plate and the cathode fixing plate, ion exchange membranes in the novel membrane stack are anion exchange membranes, ions can be selectively removed, and cations in water are retained while anions are removed.

The utility model provides a water purification device containing molecular sieve, which comprises a detachable upper cover, a shell and a water purification unit located in the shell, the upper cover is provided with a water inlet hole and a drain pipe, the drain pipe is of a hollow structure, the top of the drain pipe is provided with a through hole communicated with the outside, the bottom of the drain pipe is provided with a blind hole, and the lower end part of the upper cover of the drain pipe is connected with the water purification unit. A plurality of hole structures are formed in the wall of the drain pipe connected with the water purification unit, the filter material is sheet-shaped when the water purification unit is unfolded, one side of the adsorption area of the filter material is connected with the drain pipe, the other side of the adsorption area is connected with the filter area, and the filter material is wound by taking the drain pipe as the center to form a cylinder structure with upper and lower sealing and side water feeding. The water purification device can be used for effectively and highly filtering pollutants such as particulate matters, silt, colloids and macromolecular organic matters in a water body; beneficial trace elements in the water can be retained while harmful heavy metals in the water are removed, and the device is simple and efficient.

The invention relates to the technical field of hydroelectric generation, and discloses a hydroelectric generation river diversion gate which comprises a water gate, and the water gate comprises a frame and a gate body arranged in the frame. The plugging unit is used for plugging the interior of the water flow channel, so that water inside the water flow channel is separated from water outside the water flow channel, and the water inside and outside is isolated; and the water drainage unit is used for discharging the water isolated in the water flow channel, so that the water is discharged from the interior of the water flow channel. When the gate is closed, the blocking plate is synchronously driven to move upwards, a physical partition of the water flow channel is formed, and the connectivity between the water flow channel and an external water body is fundamentally cut off. And moreover, the retention water body in the water flow channel can be quickly discharged, the problem that the traditional bottom drainage is easy to remain is solved, the environmental humidity during shutdown of the water turbine is obviously reduced, the metal corrosion risk is reduced, and the water turbine can be separated from the water soaking environment under any working condition.

To suppress elution of heavy metals by retaining water in incineration ash.SOLUTION: An incineration ash storage device according to the present invention is the incineration ash storage device which comprises a storage tank that stores incineration ash discharged from a waste incinerator, and in which the incineration ash is supplied into the storage tank from an upper part of the storage tank and the incineration ash is discharged from a lower part of the storage tank, the relative humidity inside the storage tank is maintained at a predetermined relative humidity or higher, and the incineration ash that has been stored in the storage tank for more than a predetermined number of days is discharged. Since the incineration ash is retained in the incineration ash storage device until the predetermined number of days elapses, sufficient reaction time between the water and the incineration ash is ensured, the water and the incineration ash are allowed to react with each other, and elution of heavy metals can be suppressed.SELECTED DRAWING: Figure 1

The utility model provides a water purification device for removing heavy metals, which comprises a shell, a detachable upper cover and a water purification unit positioned in the shell, a water inlet mechanism and a water drainage mechanism are arranged on the upper cover, the water inlet mechanism is of a hollow cylindrical structure with a blind hole in the bottom, and a through hole is formed in the top of the water inlet mechanism and communicated with the outside. The portion, at the lower end of the upper cover, of the water inlet mechanism is connected with the water purification unit, a plurality of hole structures are formed in the pipe wall, connected with the water purification unit, of the water inlet mechanism, and the water purification unit comprises a filtering area and a detachable adsorption area. The filter material of the filter area is of a sheet structure when being unfolded, one side of the filter material is connected with the water inlet mechanism and is wound by taking the water inlet mechanism as the center to form a cylinder structure with upper and lower sealing and side water inlet; the adsorption area is of an annular structure loaded with a molecular sieve and is positioned outside the filter area. The device can be used for removing harmful heavy metals, retaining beneficial trace elements in water and realizing a backwashing function, and is simple and efficient.

This invention relates to the field of water pollution purification, specifically to a process for purifying and recycling industrial wastewater. The process provided by this invention induces the in-situ crystallization and precipitation of calcium and magnesium ions, primarily in the form of aragonite-type calcium carbonate, by adding a crystal form regulator to the wastewater. This replaces the traditional precipitation method using precipitants, fundamentally preventing the generation of secondary sludge. Simultaneously, a quencher regulates the type and concentration of active free radicals within the system, achieving targeted degradation of organic matter while maximizing the retention of beneficial ions in the water, ensuring the corrosion inhibition performance of the recycled water. This invention features a simple operation, requires no mechanical structural modifications, and can be directly adapted to existing industrial water treatment systems. It effectively solves the problem of simultaneously addressing hardness removal and organic matter degradation in circulating water wastewater treatment, significantly improving the purification and recycling efficiency of wastewater. The treated effluent can be directly reused in industrial circulating water systems.

To properly inject water-sealing material and monitor retained water.SOLUTION: A revetment construction constituting a revetment structure installed on impermeable ground comprises: a main body portion formed in a box shape; and a piping portion extending downward from a top surface of the main body portion into the inside of the main body portion and having a lower end portion formed to be connected to a predetermined position on a side face of the main body portion where water-sealing work is located, the piping portion having: an injection pipe portion for injecting water-sealing material from an upper end and supplying it to the side face side; and a water-passing pipe portion for circulating retained water flowing between the side face and the water-sealing work from the lower end portion.SELECTED DRAWING: Figure 1

The invention discloses a honeycomb biological carrier and a manufacturing method thereof, and relates to the technical field of sewage treatment. Comprising a supporting frame, at least one layer of honeycomb structure, a spiral outer rib and a coating, wherein a treatment space is formed in the supporting frame in a surrounding manner; the honeycomb structure is connected with the supporting frame and is arranged in the treatment space; the spiral outer rib is arranged between the honeycomb structure and the supporting frame, and the surface of the supporting frame, the surface of the honeycomb structure and the surface of the spiral outer rib are coated with the coating; the spiral outer ribs are used for increasing spiral disturbance of water flow, by arranging the spiral outer ribs, original linear or disordered motion of the water flow can be forcibly converted into rotary motion guided by the outer contours of the spiral outer ribs, and a retained water film on the surface of a carrier can be effectively damaged; and the substance exchange between the sewage and the surface of the biological membrane is changed from diffusion to convection, so that sludge and impurities are prevented from being deposited in pore channels.

The utility model relates to the field of building construction, in particular to a floor drain used for a building and capable of draining retained water from a waterproof layer to the ground, which comprises a screwing head, a drainage grating, a floor drain core, an air bag, a floor drain shell, a water seepage hole, a lower wing ring, an upper wing ring, a floor drain core thread, a floor drain shell thread and a fixing plate. The floor drain shell can serve as an embedded part to be fixed to a formwork through a fixing plate before concrete is poured into a house bottom plate, after the floor drain is installed, retention water between a waterproof layer and the ground can be drained through water seepage holes of the floor drain shell, and the drainage grating can prevent large sundries from flowing into the floor drain. The air bag and the floor drain shell water seal can play a double-layer sealing role; the utility model effectively solves the problem of water retention between the waterproof layer of the building and the ground.

A modular pumped storage hydropower system may include a shaft having a first end located opposite a second end. A reservoir is connected to the first end of the shaft. The second end of the shaft is configured to be located under a surface of ground. The second end of the shaft has a first compartment and a second compartment. The first compartment retains a pump assembly having an inlet in hydro communication with the second compartment. The second compartment is configured to retain water. A pipe has a first end connected to the pump assembly located opposite a second end extending through a cover of the first end of the shaft. The second end of the pipe is in hydro communication with the reservoir. The pipe of the pump assembly transfers water from the second compartment of the second end of the shaft to the reservoir.

The utility model provides a water purification device based on molecular sieve filter element, including detachable upper cover, shell and filter element, the upper cover is provided with water inlet hole and drain hole, filter element includes detachable adsorption unit and detachable filter unit, adsorption unit one end is connected with drain hole, and the other end is connected with filter unit, and the shell is provided with filter element. A filler is loaded in the adsorption unit and comprises a molecular sieve; and a filter material of the filter unit is a membrane material and is of a hollow fiber external pressure type structure. According to the utility model, beneficial trace elements in water can be retained while heavy metals in water are removed, and the device has detachable and backwashing functions, and is simple, efficient and good in effect.

The invention belongs to the technical field of evaporative cooling, and particularly relates to a dynamic rotatable sheet-shaped three-dimensional capillary container structure and a using method. The dynamic rotatable sheet-shaped three-dimensional capillary container structure comprises a water tank, a plurality of capillary container sheets are arranged in the water tank, the capillary container sheets are fixed on a rolling shaft, the rolling shaft is connected with a motor, a fan is further arranged on the water tank, an air inlet is formed in the bottom of the water tank, and liquid is contained in the water tank. A rotary sheet-shaped three-dimensional capillary container structure is introduced, and discrete and spatially distributed liquid drops are formed by capillary acting force, so that the contact area and the contact time of water and air are remarkably increased. The structure can more effectively retain moisture and enable the moisture to evaporate more uniformly, and dynamic rotation ensures continuous renewal of a water and air interface and enhances diffusion of water vapor through forced convection.

The invention discloses a rural high-quality drinking water direct drinking device and belongs to the technical field of water treatment. The device comprises a pretreatment unit, a multi-stage treatment unit, a rear refining and mineralizing unit, a multi-point sterilization unit, a middle water tank, a water taking unit and an intelligent control center. By means of multi-stage filtration and multi-stage barriers, staged and graded targeted removal of pollutants is achieved, meanwhile, beneficial mineral elements in water are effectively reserved, and health risks caused by low-mineral-substance water generated by a reverse osmosis technology are avoided. The device is provided with a whole-course intelligent control system, integrates the Internet of Things technology, realizes the functions of water quality real-time monitoring, component pollution early warning, automatic backwashing and chemical cleaning, ultraviolet and ozone collaborative disinfection and killing, user code scanning payment for water taking and the like, and solves the problems of high-quality drinking water preparation, long-acting and stable operation of equipment, operation cost control and commercial revenue. The system is suitable for rural areas with complex water source conditions and weak operation and maintenance power, and has the advantages of healthy effluent, stable operation, intelligent management, economy and high efficiency.

The invention discloses a device and method for eliminating residual ozone in a detection water sample, and the device comprises a reactor which is internally provided with a containing cavity and has a light-permeable side wall; the heating part is arranged on the reactor and is used for heating and preserving heat of the water sample in the residual ozone removal process; the temperature control component is arranged on the outer side of the reactor and is electrically connected with the heating component, and is used for controlling the heating component to heat and preserve heat of the water sample and then controlling the heating component to be disconnected; the light source is arranged on the outer side of the reactor and irradiates the water sample while the water sample is heated; the air outlet end of the air blowing part is communicated with the containing cavity, the water sample is heated and irradiated, air blowing is carried out on the water sample according to the set ventilation volume, and after heat preservation is finished, the heating part and the light source are closed, and the air blowing part continues to carry out air blowing. The residual ozone in the water is removed, the original water quality characteristics of the water sample are completely reserved, the original water quality of the water sample is not influenced, and the residual ozone value and other water quality indexes such as organic matters in the water can be accurately detected by adopting spectral analysis.

The present application relates to a kind of biological soil crusts for improving salt-tolerant, and preparation method and application, the biological soil crust includes natural biological crust and 1%~5% of clay mineral of natural biological crust dry weight.This application applies clay mineral to natural biological crust, it is easy to form organic mineral aggregate structure and biological membrane-mineral structure, wherein structure body has the function of retaining water and nutrient substance, maintains the function of biological membrane expansion, and establishes a mineral barrier to external environment;Clay mineral can provide key fine-grained material and adhesive force for the formation of soil aggregate as inorganic component of biological soil crust, and provide certain protection for crust biological, so as to strengthen the ability of crust resistance and promote the role of crust formation, improve its salt-tolerant.This application can apply clay mineral directly to natural biological crust, also can form biological soil crust and then carry out sand fixation application, realize the ecological restoration of saline-alkali soil.

The utility model discloses water-saving irrigation and fertilization equipment, which relates to the technical field of irrigation equipment, and comprises a current stabilizer and a small capillary tube arranged on the current stabilizer, the small capillary tube is provided with a water inlet hole, the bottom side of the small capillary tube is provided with a sliding mechanism for automatically opening and closing the water inlet hole, and the sliding mechanism is provided with a connecting guide rod. According to the fruit tree irrigation device, due to the arrangement of the arc-shaped baffles, the pressing plates and the like, when fruit trees are irrigated, water pressure drives the pressing plates to slide in the small capillary pipes to open the water inlet holes, meanwhile, the arc-shaped baffles are driven to rotate to open the water outlets, and irrigation is conducted through the water outlets in the two sides; after irrigation is finished, the pressing plate resets to close the water inlet hole under the action of reset elastic force of the reset spring, meanwhile, the arc-shaped baffle is driven to rotate to close the water outlet, water is reserved in the small capillary pipe, the small capillary pipe is prevented from being squashed, and meanwhile the arc-shaped baffle protects the water outlet and prevents soil blocks from entering and blocking the small capillary pipe.

It is an object of the present invention to provide a food product, in which odor derived from plant-based raw material is suppressed. The present invention relates to a flavor improver or water retention improver for plant-based raw materials, which includes a cyclodextrin-producing enzyme, and a food product, which is obtained by allowing a cyclodextrin-producing enzyme to act on a plant-based raw material. In addition, the present invention relates to a method for producing a food product, including a step of allowing a cyclodextrin-producing enzyme to act on a plant-based raw material.

The present disclosure provides a grid system, including a grid body and supports, where the grid body includes a water intake module, a filtering module, a residue scraping module, a residue pressing module, and a water discharge module; the filtering module is disposed at a middle-upper part of the grid body, the water intake module and the residue pressing module are organically coupled at a lower part of the filtering module, and the water intake module includes a water inlet and a water distribution area; the filtering module includes a water retaining platform, an inflow water guide plate, screen plate areas, and a central water retaining weir; the residue scraping module includes scrapers, a driving motor, a support frame, a residue inlet, and a guide rail; the residue pressing module includes a squeezing cylinder, a motor, and a residue outlet.

The invention discloses an underwater soft material interface contact in-situ observation device and method, and belongs to the field of interface observation equipment. According to the observation device provided by the invention, a bright domain interface contacted with gel and a dark domain interface of retained water are distinguished by utilizing the refractive index difference of two materials, namely water and hydrogel, passing through the transparent prism, so that the evolution process of the real contact area of the interface in the underwater bonding process of the hydrogel is clearly and accurately observed; and the influence mechanism of the interfacial retention water on the underwater hydrogel bonding performance can be conveniently explored. The underwater soft material interface contact in-situ observation device is simple in principle and low in manufacturing cost, and the problem that the real contact area is difficult to observe in an underwater hydrogel bonding experiment can be solved.

The invention belongs to the technical field of coating ink-jet ink, and discloses high-moisture-retention water-based coating ink as well as a preparation method and application thereof. The high-moisture-retention water-based paint ink is prepared from the following components in parts by mass: 5 to 20 parts of a water-based solvent, 15 to 30 parts of resin, 20 to 40 parts of color paste, 5 to 20 parts of a low-viscosity humectant, 0.1 to 1 part of a surfactant and 5 to 50 parts of water. The low-viscosity humectant provided by the invention is good in performance, has water solubility and moisture retention, and can reduce the moisture volatilization speed in the printing process, protect a spray head from being wet and not dry up and prevent the spray head from being blocked. The viscosity of the ink system can be adjusted while the moisture retention is improved, ink droplets can be sprayed out uniformly due to the proper viscosity, and the color intensity and uniformity are improved. The prepared ink is bright in color and smooth in ink jet, and can be stably stored for a long time.