25 results about "RETENTION WATER" patented technology

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.

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

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.

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 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 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).

The invention provides a water purification device, an installation method of the water purification device and a water treatment method of the water purification device, and belongs to the technical field of water purification treatment. The water purification device comprises a water purification shell, an oxidation assembly, a catalysis assembly, an adsorption assembly and a reduction assembly, wherein one end of the water purification shell is provided with a water inlet, and the other end is provided with a water outlet; the oxidation assembly is configured to be used for generating oxidation reaction to decompose organic pollutants in the wastewater; the catalysis assembly is configured to perform primary filtration on the wastewater treated by the oxidation assembly and promote decomposition of organic pollutants; the adsorption assembly is configured to be used for carrying out adsorption treatment on the wastewater treated by the catalysis assembly; the reduction assembly is configured to be used for being matched with the oxidation assembly to achieve construction of an electric field in the water purification shell, and the reduction assembly is further used for leading purified water out of the water outlet. The water purifying device has the effects of being high in treatment efficiency and capable of efficiently removing various pollutants and accurately retaining mineral substances in water.

The utility model relates to the technical field of seaweed cultivation, and discloses a lifting type salvaging device for seaweed cultivation, which comprises a fixed base, a rotating seat, a mounting frame, a lifting assembly, a first motor and a salvaging box, the rotating seat is rotatably connected to the top of the fixed base, the mounting frame is fixedly connected to the top of the rotating seat, and the lifting assembly is fixedly connected to the top of the salvaging box. The lifting assembly is arranged in the mounting frame, the first motor is fixedly connected to the outer portion of the mounting frame, the fishing box is arranged at the bottom of the lifting assembly, and the fishing box comprises a box body, a floating piece, a drainage turbine, a discharging turning plate, a feeding opening and a filtering plate. According to the hoisting type salvaging device for algae culture, the box body floats on the water surface through the floating piece, then the drainage turbine operates, algae are driven by water flow to enter the box body from the feeding port, seawater is discharged through the filter plate, the algae are reserved in the box body, salvaging of the algae is achieved, and the salvaging effect is good.

The utility model relates to the technical field of kettles, and discloses a filtering kettle which comprises a kettle body and a filter arranged in the kettle body. The filter comprises a shell and a filter element, the top end of the shell is in sealed connection with the water outlet pipe of the kettle body, and a water inlet is formed in the bottom end and used for allowing unfiltered water in the kettle body to enter; the filter element is detachably arranged in the shell and comprises a cylindrical filter element body, the filter element body comprises an impurity filtering layer, a dechlorination layer and a framework layer which are fixedly connected in sequence from outside to inside, a water passing channel is formed between the impurity filtering layer and the inner wall of the shell and communicated with the water inlet, and a water outlet channel communicated with the water outlet pipe is formed in the middle of the framework layer. A plurality of water outlet holes communicated with the water outlet channel are uniformly distributed in the framework layer. The filtering kettle provided by the utility model can solve the problem of how to effectively remove chloride ions in tap water and retain nutrient substances suitable for plant growth in water.

The invention discloses a chitosan-based water-absorbing microsphere as well as a preparation method and application thereof, and belongs to the technical field of macromolecular water-absorbing microspheres. The preparation method comprises the following steps: (1) adding an emulsifier into an organic solvent, stirring and dissolving uniformly to obtain an oil phase solution; and (2) mixing a chitosan aqueous solution, a polyglutamic acid aqueous solution and a hydroxy propyl cellulose aqueous solution, adding the mixture into the oil phase solution, uniformly stirring and mixing, then adding concentrated hydrochloric acid and a cross-linking agent to carry out polymerization reaction, and after the reaction is finished, washing, centrifugally separating and drying to obtain the chitosan-based water-absorbing microspheres. The gel water-absorbing microspheres taking chitosan, hydroxy propyl cellulose and polyglutamic acid as matrixes are prepared for the first time through an inverse emulsion polymerization method, are environment-friendly, have good water absorption in a salt solution and an acidic and alkaline solution, have certain recyclability, are beneficial to improving soil conditions and promoting crop growth, and can be used as a water-absorbing material for the first time. The maximum water holding capacity and the water retention capacity of the soil can be improved.

The implant delivery funnel may include a funnel body, a funnel opening, and a funnel outlet, the funnel opening and outlet being located at opposite ends of the funnel body. The funnel body may include an outer base layer and an inner coating layer fixed to the functionalized mating surface of the outer base layer. The inner coating layer may be hydrophilic, forming a lubricating coating with retained water. The funnel opening is sized to receive the implant through the opening without the implant becoming permanently deformed. The funnel outlet has an adjustable size to compress and deliver the implant through the outlet while temporarily reducing its size.