38 results about "RETENTION WATER" patented technology

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 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 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 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 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.

The invention provides a high-water-retention-rate water-absorbent resin and a preparation method thereof. Aiming at the problems of poor water retention performance and the like of the traditional water-absorbent resin, in a polyacrylic acid-acrylamide and polyvinyl alcohol double-network system, a hyperbranched polysiloxane prepolymer and a traditional cross-linking agent are compounded for use to jointly prepare the high-water-retention-rate interpenetrating network water-absorbent resin, and the high-water-retention-rate interpenetrating network water-absorbent resin can be practically applied to the fields of agricultural water-retaining agents, industrial slow-release materials and the like.

The invention relates to the technical field of building materials, and discloses a high slump loss resistant water reducing agent and a preparation method thereof, and the high slump loss resistant water reducing agent comprises 300 parts of isopentenyl polyoxyethylene ether macromonomer; 40-120 parts of unsaturated carboxylic acid and derivatives thereof; 5 to 25 parts of glucose; 5 to 40 parts of alkyl polyglucoside; 0.3 to 4.0 parts of an oxidizing agent; 0.3 to 4.0 parts of a reducing agent; 0.6 to 3.0 parts of a chain transfer agent; 5-12 parts of sodium hydroxide; water is used as a solvent for solution preparation and reaction. The isopentenyl polyoxyethylene ether macromonomer is combined with unsaturated carboxylic acid and derivatives thereof, a macromolecular chain is formed through a polymerization reaction, the dispersity and stability of the water reducing agent are improved, and compared with a single polymer system in the prior art, the water reducing agent has the advantages that the dispersion effect is improved, and meanwhile, the water reducing effect is improved. The slump retaining property of the water reducing agent in cement paste is obviously enhanced.

The utility model relates to the field of water resource purification, and discloses an ultrafiltration device based on a pressurized membrane separation technology, which comprises an equipment main body, the equipment main body comprises a support, the front side and the rear side of the support are fixedly connected with double rows of ultrafiltration cylinders through connecting rods, and the bottom ends of the double rows of ultrafiltration cylinders are communicated with four water inlet branch pipes through connecting pipes; by arranging the double rows of ultrafiltration cylinders, the number of the ultrafiltration cylinders is increased, the separation efficiency is effectively improved, particles, colloids, bacteria, heat sources, organic matters and other impurities in water can be effectively removed, and meanwhile beneficial mineral substances and microelements in the water are reserved; the electromagnetic valve of the water outlet main pipe is opened, the electromagnetic valve of the water inlet main pipe is closed immediately, then the water enters the ultrafiltration cylinder through the water inlet main pipe, and then a backwashing solution can be discharged from the interior of the water outlet main pipe.

The utility model relates to the technical field of water seal floor drains, in particular to an odor-resistant quick-drainage floor drain. An odor-resistant quick-drainage floor drain comprises a water leakage pipe used for being communicated with a sewer and a water seal tank fixedly connected to the water leakage pipe, the water seal tank is fixedly connected with a floor drain cover provided with water leakage holes, the back face of the floor drain cover is fixedly connected with a water seal buckling cover, and the water seal buckling cover is buckled in a tank body of the water seal tank. The water leakage hole is formed in the outer side of the water seal buckling cover; a quick discharge port is formed in the center of the floor drain cover, a sealing cover capable of moving up and down covers the quick discharge port, and a driving device used for driving the sealing cover to ascend and descend is arranged on the inner side wall of the water leakage pipe. On the basis that a water seal structure is reserved, the quick drainage opening and the driving device capable of automatically sealing and opening the quick drainage opening are additionally arranged, sewage flows into the water leakage pipe from the quick drainage opening, then the drainage amount of the sewage is increased, the drainage speed is increased, and the problem that a traditional water seal floor drain is slow in drainage is solved.

The invention discloses an aeration control method and device for sewage treatment, equipment, a storage medium and a program product, and relates to the technical field of sewage treatment.The aeration control method for sewage treatment comprises the steps that modal decomposition is conducted on water quality sequence data, and a multi-layer modal sequence of the water quality sequence data is obtained; determining correlation characteristics based on the multilayer modal sequence and the aeration index; screening out a target model index from the aeration indexes according to the correlation characteristics; and constructing an aeration control model based on the target model index. Due to the fact that the fluctuation interference problem in the original water quality data is solved through modal decomposition, the influence of noise on aeration control is reduced, and the accuracy of aeration control is improved. Through correlation mapping, only key indexes in the water quality data are reserved, light-weight control of sewage treatment is achieved, and system resources needed by aeration control are reduced.

The utility model relates to the technical field of coast breakwaters, and discloses an arc-shaped breakwater group arrangement structure which comprises a plurality of first breakwaters and a plurality of second breakwaters, and a plurality of wave absorbing grooves are formed in the outer walls of the front ends of the first breakwaters at intervals. And permeable waterproof agents are arranged on the outer walls of the front ends and the outer walls of the rear ends of the first breakwater and the second breakwater correspondingly, and corrosion-resistant layers are arranged on the sides, away from the first breakwater and the second breakwater, of the permeable waterproof agents correspondingly. The arc-shaped structure guides a wave propagation path, promotes wave energy to be dissipated step by step and achieves efficient wave dissipation, in terms of ecological friendliness, water exchange channels are specially reserved in the layout, natural water power circulation of a sea area is maintained, and the problems of water quality deterioration, biological inhabitation environment damage and the like caused by water flow blocking are solved. By means of the design, wave dissipation is achieved, meanwhile, smoothness of water exchange is guaranteed, a stable living space is created for marine organisms, and the characteristic of being friendly to the ecological environment is highlighted.

The reservoir (10) is adapted for placement or positioning around roots (33) of the plant sapling (30). The reservoir (10) is adapted such that the roots (33) grow into soil within, below, and immediately outside and adjacent the reservoir's (10) footprint. The reservoir (10) is water impermeable. The reservoir is adapted to catch and laterally retain water for use at and / or immediately below ground level, and to direct trapped water down towards and around the roots of (33) of the sapling (30).

A cultivation device comprises a water retention part and an accommodation part. Retention water is retained in the water retention part. A cultivation liquid and a microalga are accommodated in the accommodation part. The water retention part and the accommodation part are adjacent to one another. At least one section of the accommodation part is in contact with the water retention part. A peripheral section of the accommodation part has a contact region that contacts the retention water when the retention water is retained in the water retention part, and a non-contact region that does not contact the retention water.