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41results about How to "Improve water purification effect" patented technology

Water-permeable concrete brick loaded with metal-organic framework material and preparation method of water-permeable concrete brick

The invention discloses a water-permeable concrete brick loaded with a metal-organic framework material and a preparation method of the water-permeable concrete brick. The method comprises the following steps: mixing a silicon-aluminum material and an alkali activator to prepare geopolymer slurry, adding an organic amine reagent, mixing, and uniformly stirring to obtain modified geopolymer slurry; aggregate is added into the modified geopolymer slurry, the mixture is uniformly stirred and then loaded into a test mold, the test mold is demolded after standing for 1-2 days, a geopolymer water-permeable concrete brick is obtained, a metal salt solution is uniformly sprayed to the geopolymer water-permeable concrete brick, and the geopolymer water-permeable concrete brick is taken out after being subjected to steam curing for 3-5 h; and uniformly spraying the organic ligand solution on the cured geopolymer water-permeable concrete brick, performing steam curing for 18-22 hours, taking out the geopolymer water-permeable concrete brick after curing, and drying the geopolymer water-permeable concrete brick in a drying oven at 80-120 DEG C for 20-30 hours to obtain the water-permeable concrete brick loaded with the metal-organic framework material. The pervious concrete brick prepared by the invention has better adsorption efficiency, and can play an excellent water purification function in practical application.
Owner:WUHAN UNIV OF TECH

A bacterial-algal symbiotic treatment agent for aquaculture wastewater, and its preparation method and application

The present application relates to the field of wastewater treatment technology, and specifically to a bacterial algae symbiotic treatment agent for aquaculture wastewater, and its preparation method and application. The bacterial algae symbiotic treatment agent of the present application comprises the following components per liter: 100-150g of adsorption carrier, 20-50mg of microalgae, 50-80mL of bacterial seed liquid, and distilled water to 1L; the bacterial seed liquid is taken from aquaculture wastewater, and the concentration of the bacterial species in the bacterial seed liquid is 10 7 ‑10 9 CFU / mL. The bacteria-algae symbiotic treatment agent uses microalgae and bacteria taken from aquaculture wastewater to form a relatively stable bacteria-algae symbiotic system, which can be directly added to aquaculture wastewater for wastewater treatment, and can effectively remove COD, total nitrogen and total phosphorus in aquaculture wastewater, realizing the recycling of resources, and has good convenience of use and water purification effect.
Owner:HANGZHOU WANXIANG POLYTECHNIC

Core replacement control method for filter element of water purifier

The embodiment of the invention discloses a core changing control method for a filter core of a water purifier, and relates to the technical field of water purifiers, the method comprises the following steps: obtaining current raw water concentration data and at least one period operation data corresponding to the filter core of the water purifier, the period operation data comprising booster pump working time information and corresponding real-time raw water temperature information; according to the current raw water concentration data, determining corrected filter element service life information corresponding to the filter element of the water purifier, and according to the current raw water concentration data and the raw water temperature information, determining corrected water production flow velocity information corresponding to the operation data of each period; and based on each piece of corrected water production flow velocity information and the booster pump working time information, determining accumulated water production information corresponding to the filter element of the water purifier, so as to prompt the filter element of the water purifier to change the filter element based on the corrected filter element service life information and the accumulated water production information. The actual use condition of the filter element can be evaluated more accurately, and the situation that the filter element is prompted to be replaced too early or too late is avoided.
Owner:HANGZHOU JIUYANG WATER PURIFICATION SYST

Device for removing new pollutants in wastewater through ozone advanced treatment

ActiveCN119660941AImprove water purification effectimprove bindingFlow mixersRotary stirring mixersPtru catalystWastewater
The invention relates to the technical field of ozone decontamination, in particular to a device for removing new pollutants in wastewater through ozone advanced treatment, and effectively solves the problems that the combination efficiency of a catalyst becomes poor and is inconvenient to replace, the water-gas combination efficiency is not high and a backwashing structure is relatively complex. Comprising a tower body, the lower end of the tower body is fixedly connected with a sewage pipe, the lower side of the tower body is provided with a support, the upper side of the support is rotationally connected with a rotating frame, the rotating frame is rotationally connected with a jet pipe in the circumferential direction, and the upper side of the rotating frame is provided with an adjusting assembly; by arranging the support, the rotating frame, the jet pipe and the cutting fan, ozone can be utilized to form hedging with sewage in the process of being sprayed out by the jet pipe, the water-gas combination effect is improved, the ozone water purification effect is further improved, meanwhile, when the jet pipe sprays out ozone, the rotating frame can be driven to rotate, and the water purification effect is improved. The cutting fan is used for cutting and rotating the sewage flow, so that the combination effect of the ozone and the sewage is further improved.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

High-resistance composite fiber floating wetland

The utility model relates to a high-resistance composite fiber floating wetland which comprises a plurality of main bodies which are detachably and mutually spliced on the same plane, and each main body comprises two resistance layers which are symmetrically arranged up and down and a carrier layer which is arranged between the two resistance layers; a first sleeve and a second sleeve which are transversely arranged and vertically distributed are also inserted and fixed in the carrier layer; the height of the first sleeve is different from that of the second sleeve, so that the first sleeve and the second sleeve are staggered up and down without contact; a bonding layer is filled between the carrier layer and each of the two resistant layers; according to the utility model, the service life is longer; the floatability is effectively improved, so that the wind wave resistance is improved; in addition, the cold resistance of the aquatic plants is improved, a three-dimensional space required by breeding is provided for the aquatic plants, the breeding speed of the aquatic plants is greatly increased, the planting density of the aquatic plants is rapidly increased, and the water purification capacity is remarkably improved.
Owner:NINGBO INST OF ECOLOGICAL & ENVIRONMENTAL SCI (ENVIRONMENTAL ENG TECH ASSESSMENT CENT OF NINGBO ECOLOGICAL ENVIRONMENT BUREAU)

Submerged plant planting matrix for water treatment and preparation method thereof

ActiveCN119118379AImprove the effectiveness of degrading antibioticsGood effect in degrading antibioticsPhysical/chemical process catalystsOther chemical processesFiberMixed materials
The invention relates to the technical field of water treatment, and particularly discloses a submerged plant planting substrate for water treatment and a preparation method thereof. The submerged plant planting matrix for water treatment is prepared from the following raw materials in parts by weight: 30-40 parts of Fe3O4 particles; 15 to 20 parts of TiO2 supported tourmaline; 100 to 120 parts of ore particles; 20 to 25 parts of graphene hollow active carbon fiber; 10 to 15 parts of water; 1-3 parts of a binder; the preparation method comprises the following steps: firstly, mixing, dipping and drying the TiO2 supported tourmaline and the graphene hollow active carbon fiber to obtain a mixed material, then blending the mixed material with other raw materials, rolling, distributing holes, firing and cooling to obtain the submerged plant planting matrix. Submerged plants are planted in the planting matrix, and the ecological floating bed formed by the planting matrix and the submerged plants can effectively purify water and efficiently remove pollutants.
Owner:天津市立清源环境有限公司

High-valued comprehensive utilization method of waste battery diaphragm

The invention discloses a high-valued comprehensive utilization method of a waste battery diaphragm. The method comprises the following steps: S1, mixing and filtering the waste battery diaphragm and titanium white waste acid to obtain filtrate and a pretreated battery diaphragm in which part of an aluminum oxide coating is removed; wherein the pretreated battery diaphragm is subjected to catalytic pyrolysis, and aromatic hydrocarbon and solid carbon are obtained; s2, the filtrate is subjected to oxidation, polymerization and curing in sequence, and polyaluminum ferric sulfate is obtained.By means of the method, the waste battery diaphragm can be efficiently recycled, and titanium dioxide waste acid is fully purified and utilized. The method can realize selective preparation of aromatic hydrocarbon by catalytic pyrolysis of the waste battery diaphragm, can also comprehensively utilize the main component ferrous sulfate of the titanium dioxide waste acid to obtain polyaluminum ferric sulfate, can also obtain the coating material aluminum oxide of the waste battery diaphragm, and is a feasible and efficient method for realizing high-value utilization of the waste battery diaphragm and the titanium dioxide waste acid.
Owner:NORTH CHINA ELECTRIC POWER UNIV

An activated carbon dispensing device

This utility model relates to the field of green environmental protection technology, and in particular to an activated carbon dispensing device, including a hopper and a tank. A dispensing pipe is installed at the bottom of the hopper, and a connecting pipe connects the dispensing pipe and the hopper. A fan is installed at one end of the dispensing pipe near the hopper, and the other end of the dispensing pipe is located on the upper side of the tank. The fan blows air towards the end of the dispensing pipe furthest from the hopper. The hopper holds activated carbon, and the connecting pipe connects the hopper to the dispensing pipe. The fan blows the activated carbon from the hopper into the upper side of the tank, realizing the dispensing function of activated carbon from the hopper to the tank. The use of a fan to transport the activated carbon through a rigid pipe reduces the risk of damage to the activated carbon caused by screw rotation, thus minimizing the impact on water purification efficiency.
Owner:TAIZHOU LVYE ENVIRONMENTAL PROTECTION ENG CO LTD

A sulfur autotrophic device for coal chemical salt separation process

ActiveCN120364848BImprove water purification efficiencyImprove dissemination abilityWater treatment parameter controlWater contaminantsPhysical chemistryEnvironmental engineering
The present application relates to sulfur autotrophic equipment technical field, propose a kind of for coal chemical industry salt process sulfur autotrophic equipment, including reactor main body, three partitions and material feeder, the partition is fixedly arranged in the reactor main body, sliding hole is opened in the middle of the partition, water hole is opened in the outer edge position of the partition located in middle;The material feeder includes mesh tube, bottom plate and driving device, the mesh tube is slidably arranged between three sliding holes, and feeding port is opened on the circumferential side of the mesh tube;The bottom plate is fixedly arranged in the mesh tube and below the feeding port;The driving device is used to drive the mesh tube to move in the direction perpendicular to the partition.The present application is by opening sliding hole on partition, and setting mesh tube, bottom plate and driving device, the mesh tube is moved using driving device, sulfur autotrophic carrier can be evenly filled into reactor main body, so as to improve the water purification efficiency of the present sulfur autotrophic equipment.
Owner:WUHAN SHUIZHIGUO ENVIRONMENTAL PROTECTION TECH CO LTD

Light water purifier

The invention relates to the field of water purifiers, in particular to a light water purifier which comprises an inlet water filtering mechanism, a first filtering mechanism and a UV sterilization mechanism, the inlet water filtering mechanism is connected with a water inlet of the first filtering mechanism, and the UV sterilization mechanism is connected with a water outlet of the first filtering mechanism; the first filtering mechanism comprises a first machine shell, a blocking piece is arranged in the first machine shell, the blocking piece enables the interior of the first machine shell to form a first cavity and a second cavity, the lower portions of the first cavity and the second cavity are communicated, a first water purifying assembly is arranged in the second cavity, and a manual pump is arranged in the first cavity; the implementation method is based on the light water purifier, water purification is convenient, the water purification effect is good, and flexibility is high.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 32181

Hydraulic engineering gate with water purification mechanism

InactiveCN121760331AQuick and effective introductionEnhanced effectiveness in removing impuritiesBarrages/weirsWater cleaningForeign matterWater discharge
The invention relates to the technical field of water conservancy projects, and discloses a water conservancy project gate with a water purification mechanism, which comprises door frames, a bottom plate and a gate plate, the side part of the gate plate is provided with an impurity removal assembly, a shell is slidably arranged between the door frames, the inner sides of the door frames are provided with driving assemblies for driving the shell to lift, and the outer side of the shell is connected with a water pipe; a sand flowing opening is formed in the lower side of the flashboard, a baffle is arranged on the side portion of the sand flowing opening in a sliding mode, a pipeline communicated with the sand flowing opening is installed on the outer side of the flashboard, and the water outlet end of the pipeline is connected with a sand bag. The shell drives the water row to descend, water is pumped into the water row through the water pipe, water flow is sprayed through the spray head, deposited silt is raised and mixed into lower-layer river water, the sand flowing opening is opened, the lower-side river water mixed with a large amount of silt flows into the sand bag through the sand flowing opening and the pipeline, and the river water flows out through the sand bag. The silt is collected in the sandbag, so that the water purification effect is improved.
Owner:YIXING DAOTONG MASCH TECH CO LTD

Biological filler as well as preparation method and application thereof

The invention belongs to the technical field of sewage treatment, and particularly relates to a biological filler as well as a preparation method and application thereof. The biological filler comprises a carrier, a denitrification accelerant and a polyphenol-metal network structure, the carrier has a porous structure; the polyphenol-metal network structure is loaded on the surface and inside the carrier, and the polyphenol-metal network structure coats the denitrification accelerant on the surface of the carrier, inside the carrier and in a polyphenol-metal network. Phenolic hydroxyl groups in polyphenol and metal ions are co-deposited, a polyphenol-metal network structure is formed on the surface of the carrier and the surface of the porous structure, and the denitrification accelerant is coated on the surface of the carrier, the pore surface of the porous structure and in the polyphenol-metal network structure by the polyphenol-metal network structure. According to the present invention, the raw material loss and the secondary pollution caused by the dissolution of the denitrification accelerator are avoided, the loading capacity and the loading strength of the denitrification accelerator are improved, the number and the types of the functional groups on the carrier surface are enriched, and the denitrification rate during the biological denitrification process can be further improved.
Owner:SHENZHEN SHENSHUI WATER RESOURCES CONSULTING CO LTD

Water-permeable brick for water-permeable dam and water-permeable dam

ActiveCN119663791AImprove water purification abilityReduce pollutant contentDamsDykesBrickEnvironmental engineering
The invention relates to a water-permeable brick for a water-permeable dam and the water-permeable dam. The water-permeable brick for the water-permeable dam comprises a brick body and an adsorption assembly which is arranged on the brick body and is used for adsorbing pollutants in a water body. According to the water permeable brick, the adsorption assembly is arranged in the brick body, pollutants contained in water penetrating through the brick body are adsorbed by the adsorption assembly, the content of the pollutants in the water penetrating through the water permeable brick is reduced, and therefore the water permeable brick has a high water quality purification effect. When the water-permeable bricks are laid on the water-permeable dam, the water-permeable bricks are used for covering the surface of the water-permeable dam, the water body is prevented from directly scouring the dam body of the water-permeable dam, and therefore the problem that the dam body structure is damaged due to water body scouring is solved through the water-permeable bricks. Due to the water permeable function of the water permeable bricks, the water permeable function of the water permeable dam is not affected, and the water permeable dam can have higher water quality purification capacity by utilizing the higher water quality purification capacity of the water permeable bricks, so that the water quality of a water body is improved, and the environment quality is improved.
Owner:CENT & SOUTHERN CHINA MUNICIPAL ENG DESIGN & RES INST CO LTD

Method for preparing polyaluminum chloride water purifying agent from aluminum ash

The invention discloses a method for preparing a polyaluminum chloride water purifying agent from aluminum ash, and belongs to the technical field of non-ferrous metallurgy environmental protection. The method comprises the following steps: pretreating recycled aluminum ash to obtain aluminum ash to be reacted, adding the aluminum ash to a reactor, adding water to dissolve water-soluble substances in the aluminum ash, heating to obtain aluminum hydroxide solids, modifying the aluminum hydroxide solids to obtain modified aluminum hydroxide, adding the modified aluminum hydroxide to a sodium hydroxide solution, heating, and fully reacting to obtain a sodium aluminate solution; the preparation method comprises the following steps: taking aluminum hydroxide as a raw material, further reacting with a hydrochloric acid solution to obtain active aluminum hydroxide gel, finally mixing the active aluminum hydroxide gel and a polyaluminum chloride water purifying agent by a sol-gel conversion method, and completely dissolving the active aluminum hydroxide gel to obtain the polyaluminum chloride water purifying agent. The water purifying effect and the stability of the polyaluminum chloride water purifying agent are remarkably improved.
Owner:GUANGXI FENGHUA ENVIRONMENTAL PROTECTION TECH CO LTD

A kind of outdoor portable water purification equipment

This invention provides an outdoor portable water purification device, relating to the field of water purification equipment technology, comprising: a gripping unit, a water purification cotton, a support and limiting unit, a water absorption unit, a drive unit, and an automatic squeezing unit; the water purification cotton is installed inside the gripping unit; the support and limiting unit is installed at the right end of the gripping unit, and the support and limiting unit is used to limit the water purification cotton; the water absorption unit is installed at the top of the gripping unit; the drive unit is installed at the left end of the gripping unit; the automatic squeezing unit is installed on the gripping unit, and the automatic squeezing unit is used to squeeze the water purification cotton; the water to be purified will not flow through the gap between the water purification cotton and the rectangular metal tube, thus improving the water purification effect; it solves the problem that the lack of an automatic squeezing structure usually leads to gaps between the water purification cotton and the water purification shell, allowing the water to flow through the gaps and reducing the water purification effect.
Owner:GUANGDONG COOL TECH CO LTD

Fluorine-containing wastewater treatment device with multi-stage filtering function

The invention relates to the technical field of wastewater treatment, and discloses a fluorine-containing wastewater treatment device with a multistage filtering function, the fluorine-containing wastewater treatment device comprises a flocculation basin, the top end of the flocculation basin is fixedly connected with a bearing frame, the middle part of the top end of the bearing frame is fixedly connected with a gear motor, and the driving end of the gear motor is fixedly connected with a rotating shaft; the bottom end of the rotating shaft is connected with a sliding rod through an elbow, the rotating shaft is sleeved with a hollow screw rod, the bottom end of the hollow screw rod is fixedly connected with a connecting frame, the outer wall of the hollow screw rod is in threaded connection with a threaded disc, and the side wall of the threaded disc is fixedly connected with a containing frame. The treatment of fluorine-containing wastewater is high-quality and high-efficiency realized through three-stage filtration, the whole device is compact in flow, the separation of flocculate and water can be quickly realized, the separation effect is thorough, the transmission cooperation is reasonable and efficient, the use of energy-consuming equipment is reduced, the manpower is saved, and the device is low-carbon and environment-friendly.
Owner:DEXING JIUBANG CHEM CO LTD

Multi-channel control valve, water purification system and water purification control method

The invention relates to the technical field of water purification, and discloses a multi-channel control valve, a water purification system and a water purification control method. The multi-channel control valve comprises a first valve plate which is a three-channel control valve; the second valve plate is a three-channel control valve; the first valve plate and the second valve plate can be attached in a relatively rotating mode, so that channels communicated between the first valve plate and the second valve plate can be switched. When the first valve plate and the second valve plate rotate relatively, a communicated channel between the first valve plate and the second valve plate can be switched, so that the pipeline switching of the water purification system provided with the reverse osmosis filter element can be realized, the parallel connection of at least two reverse osmosis filter elements can be changed into series connection, and the treatment capacity of the water purification system on raw water is improved; the obvious deterioration of the raw water quality can be dealt with, and the water use safety of a user is ensured.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Outdoor portable water purification equipment

The invention provides outdoor portable water purification equipment, and relates to the technical field of water purification equipment, the outdoor portable water purification equipment comprises a grasping unit, water purification cotton, a supporting and limiting unit, a water absorption unit, a driving unit and an automatic extrusion unit; the water purification cotton is mounted in the grasping unit; the supporting and limiting unit is mounted at the right end of the grabbing unit and is used for limiting the water purification cotton; the water absorption unit is mounted at the top of the grasping unit; the driving unit is mounted at the left end of the grabbing unit; the automatic extrusion unit is mounted on the grabbing unit and is used for extruding the water purification cotton; water to be purified does not flow in a gap between the water purification cotton and the rectangular metal pipe, so that the water purification effect is improved; the problems that a gap is easy to exist between water purification cotton and a water purification shell due to the lack of an automatic extrusion structure generally, water to be purified flows through the gap between the water purification cotton and the water purification shell, and the water purification effect is reduced are solved.
Owner:GUANGDONG COOL TECH CO LTD

Purification assembly for water treatment

The utility model relates to the technical field of purification components, in particular to a purification component for water treatment. According to the technical scheme, the cleaning device comprises a main body, a water inlet pipe is fixedly installed at the top of the main body, the cleaning device further comprises an installation frame, the installation frame is installed in the main body in a sliding mode, a filter screen is fixedly installed on the installation frame, and a driving mechanism for driving the installation frame to move is arranged on one side of the main body; a rotating disc is fixedly installed on an output shaft of the motor, a limiting block is fixedly installed at the end, away from the circle center, of the rotating disc, a track plate is slidably installed on the limiting block, and a collecting cavity is fixedly installed at one end of the track plate and is a cavity. According to the utility model, impurities can be collected while the filter screen is dredged, the environment is prevented from being polluted, the water purification effect is improved, and the maintenance is simple and convenient.
Owner:王琰

Hospital wastewater treatment equipment

The utility model discloses hospital wastewater treatment equipment. A support frame; the disinfection and flocculation assembly comprises a reaction container and a stirring mechanism, the reaction container is arranged on the supporting frame, the stirring mechanism is arranged in the reaction container, a feeding pipeline used for inputting waste water is arranged on the side wall of the reaction container, and a discharging pipeline used for outputting waste water is arranged at the bottom of the reaction container; the feeding assembly comprises a material storage box and a feeding mechanism, the input end of the feeding mechanism is arranged at the bottom of the material storage box, and the output end of the feeding mechanism is communicated with the reaction container. According to the hospital wastewater treatment equipment, medical wastewater can be disinfected and settled at the same time, and a medicament is quantitatively conveyed, so that the purification efficiency of the medical wastewater is greatly improved.
Owner:SICHUAN TIANLU ENVIRONMENTAL ENG CO LTD

A purification device for multi-stage treatment of wastewater

The present invention relates to the technical field of wastewater treatment, and in particular to a purification device for multi-stage treatment of wastewater. The present invention adds a buffer unit to the purification device, analyzes the working state and processing capacity attenuation characteristics of the processing unit in real time through a control unit, and combines the pressure effect of the dilution operation on the post-processing unit to accurately control the water outlet valve and the water injection valve of the buffer unit, and adjusts the working state of the processing unit in real time, so that the purification device can adapt to the complex changes of wastewater, and make full use of the processing performance of the purification device, prevent the purification device from being overloaded and affecting the purification effect, balance the purification efficiency and purification effect of the purification device, and ensure the smooth operation of the purification device.
Owner:JINJIAN ENVIRONMENTAL

Ultrafiltration membrane purification device with cleaning mechanism for water purification of waterworks

The utility model discloses a tap water plant water purification ultrafiltration membrane purification device with a cleaning mechanism, and relates to the field of tap water plant water purification technical equipment, the tap water plant water purification ultrafiltration membrane purification device comprises a purification bin and a motor, the purification bin is fixedly installed on the top of a mounting rack, the motor is fixedly installed on the top of the purification bin, a water pump is arranged on one side of the motor, and the water pump is arranged on the other side of the motor. A cleaning liquid inlet is formed in one side of the water pump, the water pump is fixedly connected with a spray head through a pipeline, the inner wall of the purification bin is brushed through cooperation of a brush roller rotationally connected with the interior of a brush seat and a motor at the top, and the situation that stains in raw water are attached to the inner wall of the purification bin for a long time and are difficult to clean, and consequently the efficiency of the purification device is affected is avoided; cleaning liquid is sprayed out through a water pump and a spray head to clean the inner wall of the purification bin and a brush roller, and the cleaning effect is further improved; the ultrafiltration membrane core is arranged at the bottom of the connecting disc, so that raw water can be filtered for multiple times, and the water purification effect of the purification device is improved.
Owner:HENAN UNIV OF URBAN CONSTR

Process and equipment for purifying small molecular group water

The invention discloses a small molecular group water purification process and equipment, and the process comprises the following steps: taking urban tap water or natural mineral water or purified water as raw water, and filtering macroscopic large-particle impurities through a filter element; the water filtered in the first step is subjected to adsorption treatment through activated carbon; the water subjected to adsorption treatment in the second step passes through an RO membrane, and impurities such as inorganic salt, heavy metal ions, organic matter, colloid, bacteria and viruses in the water are intercepted while water molecules penetrate through the RO membrane; the water cut off in the third step is fed into a small molecule water generator to be subjected to water purification treatment; sterilizing and degerming the water subjected to the water purification treatment in the step 4 through a sterilizing and degerming process; the water sterilized in the fifth step is stored in a finished product water tank; the structural design is reasonable, nano cutting breaks water molecular chains when filtering is conducted through the filter material, infrared cutting breaks the water molecular chains through infrared rays released by tourmaline, macromolecular groups are changed into micromolecular groups, and the water quality can be greatly improved.
Owner:深圳市润泽天下实业发展有限公司

Resin adsorption device

The utility model provides a resin adsorption device which comprises an outer tank, an inner tank is arranged in the outer tank and penetrates out of the upper end and the lower end of the outer tank, a resin adsorption area is formed in the middle of the inner tank, a first filter layer is arranged on the upper portion of the resin adsorption area, and a second filter layer is arranged on the lower portion of the resin adsorption area. A liquid inlet is formed in the top end of the inner tank, a liquid discharge pipe is connected to the bottom end of the inner tank, a tubular aerator is arranged in the inner tank, is positioned at the bottom of the resin adsorption area and is connected with a gas conveying pipe, and the gas conveying pipe penetrates out of the side walls of the inner tank and the outer tank. According to the utility model, the tubular aerators are arranged in the resin adsorption area of the inner tank, so that the resin is in a floating state in sewage, the contact area with the sewage is increased, and the adsorption effect of the resin is effectively improved.
Owner:GANSU ACAD OF MEMBRANE SCI & TECH

Preparation and application of difunctional low-temperature demulsifier prepared by modifying polysuccinimide

The invention relates to a bifunctional low-temperature demulsifier prepared by modifying polysuccinimide, the low-temperature demulsifier is an amphiphilic polysuccinimide derivative obtained by one-step reaction of polysuccinimide and primary amine, and the main chain of the amphiphilic polysuccinimide derivative is a strong-polarity polyamide group. According to preparation and application of the difunctional low-temperature demulsifier prepared through polysuccinimide modification, aiming at the problems that an existing reverse demulsifier is low in demulsification efficiency, long in time and high in temperature and a product has certain toxicity, a fully-degradable high-polarity low-temperature directional demulsifier is designed with environment-friendly high-molecular polysuccinimide as a raw material and primary amine as a modification reagent; the polysuccinimide is wide in source and low in price, the polysuccinimide reacts with primary amine, the demulsification efficiency of the agent is improved by adjusting the aromaticity of the demulsifier, the water purification capacity of the agent is improved by optimizing the chain length of side chain alkyl, the modified polyamide demulsifier is a green polymer, and the demulsification efficiency is improved. And the application prospect is promising.
Owner:GUIZHOU MINZU UNIV

Landfill leachate treatment method based on organic matter molecular weight control

The invention provides a landfill leachate treatment system based on organic matter molecular weight control and a method for treating landfill leachate by using the system, and the method comprises the following steps: treating the landfill leachate through a pretreatment unit, a deamination membrane unit and an ultrafiltration membrane unit in sequence, enabling the trapped fluid of the ultrafiltration membrane unit to flow back as the inlet water of the ultrafiltration membrane unit, and continuously treating by the ultrafiltration membrane unit to obtain a trapped concentrated solution and ultrafiltration water; treating the trapped concentrated solution through a Fenton advanced oxidation unit to obtain Fenton effluent; fenton effluent is mixed with ultrafiltration water, and the mixture is treated by an A / O-MBR treatment unit. The sewage treatment cost is reduced, secondary pollution is reduced, the sewage treatment efficiency and the water purification effect are improved, a physical, chemical and biological coupling method is adopted, the method has the advantages of being low in medicine consumption, short in treatment streamline and small in concentrated water generation amount, the quality of treated water can stably meet the requirement of GB16889-2008, and accurate treatment of organic matter is achieved.
Owner:JIANGNAN UNIV +1

Combined experimental device for water purification plant cultivation and water purification benthonic animal hanging cultivation in water bodies with different depths

The invention relates to the technical field of water area ecological protection, and provides a combined experimental device for water purification plant cultivation and water purification benthonic animal hanging culture in water bodies of different depths, which comprises a floating plate piece and a plurality of hanging culture cages, a hole is formed in the center of the floating plate piece, a plurality of hanging parts are arranged at the bottom of the floating plate piece, each hanging part is connected with a plurality of hanging cages which are connected in series through steel cables, and a spear is arranged at the bottom of the lowest hanging cage; at least one buoyancy piece is arranged in each hanging breeding cage; and a second water purification plant is also arranged below the floating plate piece. The effect of combined feeding of aquatic plants and benthonic animals is achieved, the number of the hanging cages and the length of the steel cables can be adjusted according to water area environments of different depths, the universality is good, the advantages of being easy to mount and dismount and convenient to assemble are achieved, and the water purification efficiency is greatly improved.
Owner:EAST CHINA NORMAL UNIV

Water purifier device with good water purification effect

The utility model relates to the technical field of water purifiers, and discloses a water purifier device with a good water purification effect. The water purifier device comprises a water tank, a filter element box is fixedly connected to the outer wall of the water tank, a first water pumping device is fixedly connected to the outer wall of the filter element box, and a water inlet and a second water pumping device are fixedly connected to the top of the water tank. A water suction opening of the second water pumping device is fixedly connected with a water pumping pipe, a water drainage opening of the second water pumping device is fixedly connected with a first water pipe, the inner wall of the filter element box is slidably connected with a filter element support, and the inner wall of the filter element support is movably connected with a filter element body. By rotating the rotating column, the rotating column drives the water outlet to slide up and down on the outer wall of the water outlet through threads, when the water outlet needs to be used, the rotating column is rotated forwards, so that the water outlet descends and extends out of the bottom of the rotating column, the rotating column is rotated reversely, so that the water outlet retracts into the rotating column, and the rotating column protects the water outlet; and when the water outlet is not used, dirty objects cannot be in contact with the water outlet.
Owner:HENAN RETENG NEW ENERGY CO LTD

Efficient water purification quartz sand filtering method

The invention relates to an efficient water purification quartz sand filtering method, and belongs to the technical field of quartz sand filtering. Comprising the following steps: S1, feeding circulating cooling water into a filtering tank; s2, adding potassium permanganate and ferrite into the circulating cooling water in the filtering tank, uniformly mixing, and carrying out a flocculation reaction to form a floc; and S3, sequentially filtering the water flowing out of the filtering tank through quartz sand filtering layers with different particle sizes in the filter. Before a water source is filtered, potassium permanganate and ferrite are used for pretreatment, natural organic matter can be effectively removed, meanwhile, quartz sand with different particle sizes can filter the water source stage by stage, and suspended solids, microorganisms and slime in circulating cooling water are effectively controlled to be filtered and intercepted; the water purification efficiency and the water purification effect are effectively improved.
Owner:YINGYUAN (SHANGHAI) ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Reverse osmosis (RO) water production system for direct drinking water

The utility model discloses a direct drinking water RO (Reverse Osmosis) water production system, which belongs to the technical field of water production and water purification and comprises a water purification tank, a first filter screen placing barrel, a second filter screen placing barrel, a third filter screen placing barrel and a water storage tank, and the first filter screen placing barrel, the second filter screen placing barrel, the third filter screen placing barrel and the third filter screen placing barrel are fixedly connected in the water purification tank. Water flow channels are formed in the two sides of the first filter screen containing barrel, the two sides of the second filter screen containing barrel and the two sides of the third filter screen containing barrel correspondingly, a primary-effect filtering membrane is arranged in the first filter screen containing barrel in a sliding mode, and a high-efficiency filtering membrane is arranged in the second filter screen containing barrel in a sliding mode; water is sequentially filtered for three times through the primary filtering membrane, the high-efficiency filtering membrane and the RO filtering membrane, and the top cover of the placing barrel is driven to rotate and take out by rotating the top cover knob, so that the primary filtering membrane, the high-efficiency filtering membrane and the RO filtering membrane can be quickly replaced, and the operation is simple and convenient; unfiltered water containing impurities in the water purification tank can be observed through the visual window and can be discharged through the sewage discharge valve.
Owner:AOTU TECHNOLOGY CO LTD