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28results about How to "Extended cleaning cycle" patented technology

A honeycomb rainwater collection tank

PendingCN122257499AFree increase or decrease quantityAdjust the combination form at willFatty/oily/floating substances removal devicesSewerage structuresHoneycombModular design
The application discloses a honeycomb type rainwater collecting pool in the technical field of municipal engineering drainage, which comprises six side plates, a water inlet pipe, a plurality of columns and two three-hole side plates, two closed side plates and two double-hole side plates. Each column is arranged on one side of each side plate and is in clamping connection with the side plate. Each three-hole side plate, closed side plate and double-hole side plate is in clamping connection with the column and has a hexagonal shape. The honeycomb type modular design is adopted, the six side plates, three-hole side plates, closed side plates and double-hole side plates are clamped and connected through the columns, the overall shape has no fixed size limitation, the number of modules can be freely increased or decreased and the combined form can be arbitrarily adjusted according to the actual space of narrow and irregular sites such as road corners at the end of rainwater branch pipes, cracks in old communities and narrow green belts, and meanwhile, the clamping and positioning structure of the upper fixed plate, lower fixed plate and column ensures the overall stability after assembly.
Owner:NANJING YUNXIN ECOLOGICAL TECHNOLOGY CO LTD

Anti-clogging filter membrane module

ActiveCN224350452UExtended cleaning cycleavoid stuckWater/sewage treatment bu osmosis/dialysis
The utility model discloses a kind of anti-clogging filter membrane assemblies, it is related to water filtration technical field, including cylindrical filter membrane and cylindrical hard filter cartridge;The hard filter cartridge is located in filter membrane inside;Hard filter cartridge lower side and upper side are equipped with water inlet pipe and pollution collection box respectively, water inlet pipe is rotatably installed with the impeller rotating with water flow, hard filter cartridge inside is equipped with bracket, and bracket edge is equipped with the brush that is attached with hard filter cartridge inner wall;The impeller is connected with bracket through pivot;The utility model drives impeller rotation by water flow, impeller drives bracket and brush to clean the foreign matter of hard filter cartridge inside, can avoid foreign matter to be stuck on hard filter cartridge;Pollution collection box is set in hard filter cartridge lower side, can accommodate the foreign matter cleaned in large quantity, prolongs the cleaning cycle of hard filter cartridge.
Owner:HENAN BEISEN ENVIRONMENTAL TECH CO LTD

Integrated device for microbial contamination control in seawater desalination systems

This invention provides an integrated device for controlling microbial contamination in seawater desalination, comprising a base, a high-pressure pump mounted on the left side of the base, an online flow cytometer system mounted on the base, and an RO membrane holder mounted on the right side of the base. The base facilitates the installation of the dosing mechanism, diaphragm pump, and online flow cytometer system. The high-pressure pump pressurizes and delivers seawater for subsequent desalination via the RO membrane. The online flow cytometer system monitors the microorganisms in the seawater delivered by the high-pressure pump and simultaneously controls the diaphragm pump to deliver the bactericide from the dosing mechanism upstream of the cartridge filter, sterilizing the seawater entering the RO membrane and thus extending the cleaning cycle and lifespan of the RO membrane.
Owner:GUANGDONG DATANG INT CHAOZHOU POWER GENERATION CO LTD +1

A rotary air preheater with multilayer annular heat pipes

The application discloses a rotary air preheater with a multilayer annular heat pipe, relates to the technical field of air preheating, and comprises an outer shell, an inner rotor, a center cylinder, a flue gas inlet, an air outlet, a flue gas outlet, an air inlet, a disturbance mechanism, a ring pipe group, a driving piece and a corrugated plate group. The center cylinder is coaxially arranged at the center position in the outer shell, the inner rotor is rotationally arranged on the outer wall of the center cylinder, the outer wall of the inner rotor is rotationally connected with the inner wall of the outer shell, the inner rotor is driven by the driving piece located at one side of the outer shell, the flue gas inlet and the air outlet are formed in the top end of the outer shell, and the flue gas outlet and the air inlet are formed in the bottom end of the outer shell. The corrugated plate group and the ring pipe group are arranged in the inner rotor, and a plurality of disturbance mechanisms are circumferentially arranged on the inner wall of the ring pipe group. The flue gas and the air are transversely washed to the annular heat pipe, the heat exchange coefficient of the flue gas and the air is strengthened, the deposition rate and deposition amount of ammonium bisulfate on the heated surface can be significantly slowed down, and the safety risk is reduced.
Owner:XI'AN PETROLEUM UNIVERSITY

Electroplating acid mist efficient environmental protection treatment device

The application relates to the technical field of environment-friendly treatment devices, and discloses an electroplating acid mist high-efficiency environment-friendly treatment device which comprises a treatment box, a gas inlet pipe is welded through the side surface of the treatment box, an air suction cover is welded at the end of the gas inlet pipe, a sleeve is welded on the surface of the gas inlet pipe, and heat dissipation fins are welded between the gas inlet pipe and the sleeve. In the application, the screw-belt type heat dissipation fins welded between the gas inlet pipe and the sleeve form a high-efficiency heat exchange channel. When the acid mist flows in the gas inlet pipe, the heat carried by the high-temperature acid mist is transmitted to the alkali liquor in the sleeve through the heat dissipation fins, so that the acid mist is pre-cooled, the alkali liquor is pre-heated, the pre-heated alkali liquor is conveyed into the treatment box under the action of a booster pump, is sprayed on a filler layer, the pre-heated alkali liquor can increase the system temperature, the probability of acid-base ion collision is increased, so that the neutralization reaction time is shortened, the acid mist removal efficiency per unit time is improved, the pre-heated alkali liquor can reduce heat loss, and the energy consumption cost is reduced.
Owner:JIANGXI QIYIXIN HARDWARE ELECTROMECHANICAL CO LTD

Kitchen biogas slurry treatment device

The application discloses a kind of kitchen biogas liquid treatment devices, belong to sewage treatment technical field, it includes connecting plate, ring cylinder, fling filter mechanism, filter mechanism, protective cylinder, butt joint pipe, microwave heating pipe and storage tank, ring cylinder is located on connecting plate, fling filter mechanism rotates and is installed in ring cylinder, filter mechanism is inserted in fling filter mechanism and is communicated, protective cylinder is installed on ring cylinder, butt joint pipe is communicated protective cylinder and fling filter mechanism.The device is transported by centrifugal force generated by fling filter mechanism rotation, microwave heating pipe is heated to reduce viscosity and reduce colloid adsorption, filter mechanism retains impurities, and storage tank collects primary filtrate.The device solves the problem that existing device is easy to block, needs flocculating agent, and maintenance is difficult, realizes efficient filtration, convenient maintenance and low cost.
Owner:BEIJING TONGCHUANG BIYUAN WATER SCI & TECH DEV CO LTD

Method and device for removing COD in high-salt and high-organic wastewater

ActiveCN117046316BImprove hydrophilicityHigh COD interception rateOrganic matterEnvironmentally friendly
This invention belongs to the field of wastewater treatment technology, specifically relating to a method and apparatus for removing COD from high-salt, high-organic-content wastewater. The removal method employs two organic matter retention membranes connected in series to treat the high-salt, high-organic-content wastewater. By controlling appropriate process conditions, these organic matter retention membranes primarily retain organic matter while retaining as little salt as possible, ensuring stable operation of subsequent processes or achieving compliant wastewater discharge. Furthermore, the concentrate obtained after treatment by each organic matter retention membrane is returned in a specific proportion to the inlet of the membrane that produced the concentrate, thereby ensuring efficient and stable membrane operation, improving system recovery rate, and extending membrane lifespan. This invention achieves COD removal from high-salt, high-organic-content wastewater using only a single process, exhibiting high removal rate, good decolorization effect, and high recovery rate. It significantly shortens the process flow and is characterized by being green, efficient, energy-saving, environmentally friendly, and highly reliable.
Owner:BEIJING JINDAYU ENVIRONMENT TECH CO LTD

Edge computing device case protection structure suitable for wide temperature environment

The utility model discloses an edge computing device machine case protection structure suitable for wide temperature environment, include: shell body, upper cover body, exhaust component and heat dissipation component, the upper cover body is installed to the upper of shell body, the rear end surface of shell body is installed with exhaust component, the inside installation of shell body has heat dissipation component, heat dissipation component includes heat conduction board, the lower surface of heat conduction board is provided with a plurality of transverse interval arrangement distribution's heat conduction cavity, the end of heat conduction cavity installs the assembly pipe for with multiple sets of heat conduction cavity communication, the assembly pipe is U type structure, and the end of heat conduction cavity is installed with liquid inlet pipe and liquid outlet pipe respectively, and one end of liquid inlet pipe and liquid outlet pipe is connected with circulating pump box. It has realized to make edge computing device machine case protection structure can be suitable for wide temperature environment, has effectively improved the heat dissipation effect, has strengthened the adaptability of equipment to wide temperature environment.
Owner:GUANGZHOU TUOWEI SUONENG INTELLIGENT EQUIPMENT CO LTD

Three-dimensional rotary spray head with planetary gear set transmission

The utility model discloses a three -dimensional rotary shower with planetary gear set drive, aims at solving the problems of the prior art cleaning blind area, size limited etc. Its main structure includes driving arrangement, hollow outer pole, inner rod, water outlet device, and at least one of outer pole and inner rod is rotary output pole and drives water outlet device to rotate, and the water outlet device is equipped with rotatable shower rotating seat, is driven through bevel gear pair, and is equipped with planetary gear set, realizes the rotation of shower rotating seat revolution and rotation combination. When working, planetary gear set changes transmission ratio, makes shower cleaning period to promote 2 10 times, even if single nozzle can also realize no blind area, no dead angle three -dimensional cleaning. Compared with prior art, the shower cleaning efficiency of this utility model improves 150%, and energy consumption reduces 20%, has remarkable economic benefit and practical value.
Owner:SHANGHAI GENIE ELECTROMECHANICAL TECH CO LTD

A slit valve and semiconductor manufacturing apparatus

ActiveCN224482006Uavoid depositionExtended cleaning cycleMechanical engineeringSemiconductor
This application provides a slit valve and a semiconductor manufacturing apparatus. The slit valve includes: a slit valve body having a slit channel; at least one plasma generating unit disposed on the inner wall of the slit channel; the plasma generating unit is used to ionize gas in the slit channel to form plasma, thereby removing dust deposited on the inner wall of the slit channel. Compared to the prior art, using the slit valve of this application to connect two chambers of a semiconductor manufacturing apparatus allows for plasma generation by the plasma generating unit without opening the chambers. The plasma then removes dust deposited on the inner wall of the slit valve, thereby inhibiting dust deposition within the slit valve, extending the cycle of opening the chambers for dust cleaning, and reducing downtime losses of the semiconductor manufacturing apparatus.
Owner:CHENGDU HIGH-TECH JIN SCI&TECH CO LTD

A filter element and a filter for adhesives

ActiveCN224422096Ularge filter areaSmall flow resistanceAdhesiveFiltration
This utility model discloses a filter element and a filter for adhesive solutions. A filter element seat is provided at the inlet end of the outlet pipe, and a filter element is installed on the filter element seat. The inlet of the outlet pipe communicates with the inner cavity of the filter element. A filter element cover is provided at the top of the filter element, and a lower sleeve is provided at the bottom of the filter element. The lower sleeve is sealed and installed on the inlet end of the outlet pipe. The filter element includes an outer frame, an inner frame, and a jacketed filter cylinder. The jacketed filter cylinder is located between the outer frame and the inner frame. Both the outer frame and the inner frame have several mesh openings. In a horizontal projection plane, the jacketed filter cylinder is a corrugated closed cylinder, with the crests of the jacketed filter cylinder fixedly connected to the inner side of the outer frame, and the troughs of the jacketed filter cylinder fixedly connected to the outer side of the outer frame. The beneficial effects of this utility model are: the filtration area of ​​the filter element is 3-4 times larger than that of ordinary cylindrical filter elements, reducing the flow resistance of the filter element, improving the filtration efficiency, having a larger dirt holding capacity, and a longer filter element cleaning cycle.
Owner:XINXIANG MINGLANG MECHANICAL & ELECTRICAL TECH CO LTD

A membrane coupling-based complexed copper wastewater treatment system and method

This invention discloses a membrane coupling-based system and method for treating copper complex wastewater. The method includes: S1 pre-oxidation and complex-breaking treatment; S2 adding a heavy collector to the wastewater and performing cross-flow filtration using a membrane separation device equipped with an electrochemically activated membrane module to obtain a concentrated solution of the heavy collector-copper complex; S3 adjusting the pH of the concentrated solution and performing secondary filtration using the same membrane separation device, retaining the heavy collector for reuse, with the permeate being an acidic solution containing free copper ions; S4 chemically depositing and separating the acidic copper-containing solution to recover copper. In the S2 enrichment stage, a reducing electric field is applied using the membrane as the cathode, and in the backwashing stage, an oxidizing electric field is applied as the anode. The heavy collector is a graft copolymer or terpolymer of polyacrylic acid and β-cyclodextrin, which forms a loose, porous gel layer on the membrane surface during enrichment and naturally peels off. This invention achieves efficient complex breaking of copper complexes, high-purity recovery of copper resources, recycling of the heavy collector, and effective control of membrane fouling.
Owner:JIANGSU SAFELY ENVIRONMENT ENG

Method for improving yield and purity of regenerated bhets

ActiveCN121758280BRapid complex passivationsuppression problemPreparation by ester-hydroxy reactionOrganic compound preparationPolyesterPtru catalyst
The present application relates to polyester recycling, and provides a method for improving the yield and purity of regenerated BHET. After glycolysis of waste polyester in the presence of a metal catalyst, most of the free glycol is removed by evaporation under reduced pressure. A chelating agent composed of a polycarboxylic acid chelating agent and an organic phosphonic acid compound is added to the glycolysis solution, and a fixed bed circulation contact of a solid-supported chelating agent with polycarboxylic acid groups supported on a porous carrier is used to remove metal ions. Subsequently, the glycol is further removed by thin film evaporation to obtain a BHET-rich glycolysis solution. Finally, the distillate is collected in a short path distiller according to the set switching conditions of BHET content and acid value to obtain a high-purity BHET product. This method can inhibit re-polymerization and thermal degradation, reduce metal residues and oligomer content, and improve the yield and purity of BHET.
Owner:ZHEJIANG WANKAI NEW MATERIAL

A continuous distillation apparatus for nitromethane

The application discloses a nitromethane continuous distillation device, and relates to the technical field of nitromethane separation.The application has the advantages that the distillation device body is provided with an outer cylinder and an inner cylinder connected in sequence from the outside to the inside at the rear end of the distillation device body, a jacket is connected to the outer wall of the outer cylinder, and a hollow roller shaft is rotatably connected to the inner wall of a through hole in the middle of the distillation device body.The device adopts a double heating mode, significantly improves the uniformity of material heating, continuously rotates an auger to push the axial transmission of the material, realizes continuous feeding, continuous distillation and continuous discharging, and the spiral blades rotate synchronously with the inner cylinder to continuously scrape off the impurities on the inner wall of the outer cylinder, so that the heat conduction surface is kept clean and uniform, and the product purity and production stability are improved.The application effectively solves the problems of low intermittent operation efficiency, uneven heating and inner wall scaling of the existing nitromethane distillation device, realizes the continuous production of nitromethane, and has important industrial application value.
Owner:LINYI YUANBO CHEM IND

Paint shaker

The application discloses a paint mixer, which comprises a mixer body, fixed handles connected to the two sides of the mixer body, a connecting seat arranged at the bottom of the mixer body, a driving shaft arranged in the connecting seat, a transmission shaft arranged on the driving shaft and clamped on the connecting seat, a buffer pipe arranged at the top of the outer side of the transmission shaft, a butt joint ring arranged in the buffer pipe, a plurality of telescopic shafts connected between the butt joint ring and the connecting seat, a group of connecting frames arranged at the bottom of the buffer pipe, support plug-in plates clamped in the connecting frames, a circular groove arranged at the bottom of the buffer pipe, and a detection ring arranged in the circular groove. Compared with the prior art, the paint mixer has the advantages that the buffer and positioning design improves the running stability and stirring quality, the anti-collision structure and self-cleaning function enhance the durability and maintenance convenience, the stirring depth can be flexibly adjusted, the paint mixer is suitable for multiple specifications of barrel bodies, the integrated sensor can monitor the deviation of the transmission shaft in real time and give an early warning, and the stable operation of the equipment is ensured.
Owner:ZHEJIANG WUYI HAODA TOOLS MFG CO LTD

Hardware product waste sorting and recycling device

The utility model discloses a hardware product waste material classifying and recycling device belongs to waste material classifying and recycling technical field, and this recycling device includes the classifying box of open top setting, is installed multiple screening frame through bolt in the classifying box, and the one end of screening frame is fixed mounting handle through the one side of classifying box, and the inner wall of screening frame is fixed mounting screening plate, and the one side of screening frame is provided with first discharge gate and is linked with the top of screening plate, and the inner wall one side of screening frame rotatory mounting carousel, and the outside symmetry fixed mounting elastic expansion plate of carousel, and the inner wall of classifying box is provided with the drive assembly that cooperates with carousel, and the one side bottom of classifying box is provided with second discharge gate, and the device is convenient for replacing and cleaning screening plate, and the accurate classification improves the recovery efficiency.
Owner:TIANJIN HONGCHENG MASCH MFG CO LTD

Supercritical carbon dioxide heat exchange system and waste heat recovery method

The application provides a supercritical carbon dioxide heat exchange system and a waste heat recovery method, and belongs to the technical field of energy and thermal equipment. The system adopts a differential flow channel design combining a large-pitch channel on the flue gas side and a micro-channel on the carbon dioxide side, and integrates an online pulse soot blowing device taking preheated compressed air as a medium. Meanwhile, the heat exchange core adopts a nickel-based alloy material with smooth surface treatment to inhibit ash adhesion. The heat exchanger can be integrated in a supercritical CO2 Brayton cycle power generation system, soot blowing is triggered by intelligently monitoring pressure drop or temperature difference, and soot blowing is realized without stopping. The application fundamentally solves the problems of blockage and ash deposition of high-efficiency heat exchangers under the working condition of ash-containing flue gas, ensures that the waste heat recovery system can operate long-term, stably and efficiently, and significantly improves the energy utilization efficiency and system economy.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Tea oil raw material initial impurity removal and flavor protection treatment method

PendingCN122146388APromote dissolutionwithout damaging the structureFatty-oils/fats productionProcess engineeringAmino acid
The application provides a tea oil raw material initial impurity removal and flavor preservation treatment method, and relates to the technical field of food processing. The steps comprise the following: S1, mixing alpha-ketoglutaric acid, amino acid and a eutectic solvent, homogenizing to obtain a treatment liquid; S2, mixing the tea oil raw material after color selection and pith removal with the treatment liquid, and separating and removing impurities by gradient pressure; S3, segmenting the tea oil raw material after impurity removal and heating by microwave, and immediately performing low-temperature treatment after the microwave heating is completed to obtain the tea oil raw material after impurity removal and flavor preservation; and S4, performing subsequent feeding, oil conveying and pressing. The application can not only remove impurities and preserve flavor, but also significantly increase the content of flavor substances by softening the treatment liquid, gradient impurity removal, microwave flavor extraction and cold nitrogen solidification. In addition, the application can improve the fluidity of the material, reduce the risk of material blockage in the later feeding process, improve the material integrity in the conveying process, improve the stability of subsequent pressing oil extraction, reduce the cost and energy consumption, prolong the equipment cleaning cycle, and has a good application prospect.
Owner:WUHAN MINGQIAO TECH CO LTD

A steam generator

This utility model relates to the technical field of steam generating devices, specifically to a steam generator. It includes a shell, a heating element, a water inlet, and a steam outlet. The inner cavity of the shell is divided into a turbulence heating zone and a steam generating chamber. The turbulence heating zone is equipped with staggered first and second turbulence plate groups and vertical baffles, forming a double-arched flow path; a flow-blocking plate with flow gaps is provided between the two zones. Water flows into the turbulence heating zone through the water inlet and is fully heated. After being limited by the flow-blocking plate, it flashes in the steam generating chamber and is discharged from the steam outlet. This device effectively improves thermal efficiency and steam dryness, and has a simplified structure and low processing cost.
Owner:CIXI RUIBEN ELECTRIC APPLIANCE CO LTD

Sensor soft rubber mold for infrared sensor

ActiveCN224408227Uavoid stickingExtended cleaning cycleSilica gelAirbag
The utility model discloses a sensor soft glue mould of infrared sensor belongs to soft glue mould technical field. It aims at solving the problem of the existing infrared sensor soft glue mould's instability and the problem of the too fast exhaust of the initial stage of glue injection leading to the overflow of colloid. The mould includes oil base silica gel mould main part, is equipped with infrared sensor main part groove in the main part, sets up silica gel bubble at one end, and there is airbag in the bubble, and the main part groove is equipped with suction cup cavity near silica gel bubble and is connected with airbag through trachea, and annular magnet is installed in the groove of suction cup cavity side lower side; the outlet of top exhaust hole is equipped with elastic diaphragm, and the one end of diaphragm is connected with the exhaust hole inner wall joint groove cooperation, and the remote end has the gap. The mould is used for the infrared sensor metal surface casting silica gel soft film layer, can realize the double fixing of negative pressure and magnetic attraction, strengthens the stability, can also automatically adjust the exhaust speed according to the air pressure, avoids the overflow of colloid.
Owner:RUIAN ZHONGTENG MOLD CO LTD

A rotary kiln tail gas treatment device

This invention discloses a rotary kiln exhaust gas treatment device, belonging to the field of environmental protection technology. The device includes a treatment box, a mounting cover, filter bags, a filter bag mounting assembly, a rotary drive assembly, and a filter bag cleaning assembly. A fixing plate is fixed inside the treatment box, and multiple filter bags are mounted on the fixing plate via the filter bag mounting assembly. The rotary drive assembly drives the filter bags to rotate, ensuring that all surfaces of the filter bags are evenly contacted with the dust-laden airflow, avoiding localized dust accumulation. The filter bag cleaning assembly includes a spiral guide rail, a brush ring, and a sliding block. As the filter bags rotate, the brush ring moves up and down along the spiral guide rail, simultaneously cleaning the dust surface of the filter bags with soft brushes, reducing clogging and achieving parallel filtration and cleaning. A pulse cleaner is installed on the top of the treatment box for deep cleaning after shutdown. This invention improves filtration efficiency and filter bag utilization through filter bag rotation and online cleaning, ensuring the continuity of exhaust gas treatment and extending the cleaning cycle.
Owner:INNER MONGOLIA MEICHENG ECOLOGICAL ENG CO LTD

A plate heat exchanger for hydrogen production

ActiveCN224382209Ureduce usageEnhanced turbulence effectHeat exchanger casingsHeat transfer modification
The utility model discloses a plate shell heat exchanger for hydrogen production, including shell and fixedly arranged on the circumference lateral wall of shell a pair of branch leg, the lateral wall on one end of shell is respectively communicated fixedly provided with liquid inlet no.
Owner:THE IT ELECTRONICS ELEVENTH DESIGN & RES INST SCI & TECHNOLOGICAL ENG

A die oil fume cover absorption device for a diaphragm production line

ActiveCN224309241UEasy to passreduce overflowDirt cleaningProduction lineFlue gas
This utility model discloses an oil fume hood absorption device for a diaphragm production line, including a hood body with multiple strip-shaped holes, and an oil collection shell detachably connected to the lower end of the hood body. An exhaust pipe is connected to one side of the hood body, and an oil collection assembly for recovering waste oil from the flue gas is connected to the exhaust pipe. The oil collection assembly includes a conical tube connected to the exhaust pipe, with the end of the conical tube away from the exhaust pipe connected to the oil collection shell. In this utility model, by using a V-shaped hood body with strip-shaped holes, the absorption of flue gas from the side and from above can be combined, improving the absorption effect of multiple flue gas and reducing flue gas overflow. Simultaneously, the strip-shaped holes allow flue gas to pass through more easily, and significantly change the flow direction and convergence of flue gas within the hood body, reducing the accumulation of waste oil on the outer wall of the hood body and preventing accumulated oil impurities from falling onto the membrane surface.
Owner:SHANXI HOUSHENG NEW MATERIAL TECH CO LTD

Chemical wastewater advanced treatment and reuse filter device

The utility model belongs to industrial wastewater treatment technical field discloses a kind of chemical wastewater advanced treatment and reuse filter device. The device includes the physical chemistry precipitation unit, biological treatment unit and membrane depth treatment unit connected in water flow direction in proper order. Among them, physical chemistry precipitation unit additionally adds air floatation separator, biological treatment unit additionally adds activated carbon adsorption tank, and resin adsorption tank is additionally arranged between ultrafiltration and electrodialysis in membrane depth treatment unit;Concentrated water outlet of electrodialysis and reverse osmosis is all communicated with air floatation separator inlet through reflux pipeline. Through air floatation separator, activated carbon adsorption tank and resin adsorption tank, suspended state, dissolved state and charged organic matter are removed by three-stage interception, and concentrated water is recycled by backflow, the problem that residual high molecular flocculants and amphoteric surfactants in chemical wastewater form electric field in electrodialysis device Induced membrane pollution is solved, and the operation stability of electrodialysis device is improved.
Owner:RUIDE (LEQING) TESTING TECHNOLOGY CO LTD

A method for improving heat exchange efficiency in the production of dimethyl sulfoxide

The application discloses a method for improving heat exchange efficiency in a dimethyl sulfoxide production process, and particularly relates to optimization of the dimethyl sulfoxide production process, especially a means for improving heat exchange efficiency in the production process. The method solves the problem of low heat exchange efficiency in the prior production method, has the technical advantages of greenness and high efficiency, and unexpectedly obtains the advantages of yield improvement, device cleaning and extension of replacement period, and the like. The method can save cost and improve production efficiency in actual production.
Owner:PUYANG RUISEN NEW MATERIALS CO LTD

A method and system for treating domestic wastewater

PendingCN122277032Agood removal effectExtended cleaning cycleMembrane foulingTreated water
This application provides a method and system for treating domestic sewage, belonging to the field of sewage treatment technology. The method includes the following steps: S1: The domestic sewage to be treated flows sequentially through an anoxic reaction tank and an aerobic reaction tank, both tanks being filled with multi-metal catalytic functional packing material; S2: The effluent is introduced into a membrane separation tank for sludge-water separation to obtain treated water and sludge; S3: A portion of the sludge generated in the membrane separation tank is returned to the anoxic reaction tank; S4: A portion of the treated water is extracted and introduced into a functional water preparation unit to generate functional water; S5: The functional water is divided into a first path and a second path in a certain proportion, with the first path flowing into the bottom of the membrane separation tank and the second path flowing into the aerobic reaction tank. This invention enhances the nitrogen and phosphorus removal effect through multi-metal catalytic functional packing material, and utilizes the aeration and flushing effect of functional water to alleviate membrane fouling in the membrane separation tank, extending the membrane's service life. The resulting effluent quality is stable and meets current domestic sewage discharge requirements.
Owner:HUNAN JIUZHENG ENVIRONMENTAL PROTECTION TECH CO LTD

Agricultural and sideline products vibrating screening device

This utility model provides a vibrating screening device for agricultural and sideline products, belonging to the technical field of vibrating screening devices. It includes a base with a lower chamber and an upper chamber slidably connected to it, and a synchronous cleaning component. The synchronous cleaning component includes a fixed frame fixedly connected to the base, a rubber frame fixedly connected to the fixed frame, a piston rod slidably connected to the rubber frame, a lifting rod fixedly connected to the piston rod, and a cleaning plate fixedly connected to the lifting rod. Sliding rods are slidably connected to both sides of the rubber frame, and sliding blocks are fixedly connected to the sliding rods. In this utility model, the rubber frame drives the piston rod to be lifted, causing the cleaning plate to intermittently insert into the screen, squeezing out stuck or adhered materials. This avoids the problem in the prior art where materials clog the screen holes due to stickiness, humidity, or fibrous characteristics. The cleaning process is synchronized with screening, extending the cleaning cycle and solving the problem in the prior art where a large amount of blockage needs to accumulate before stopping the machine for cleaning, significantly improving production continuity and efficiency.
Owner:LEIWUQI COUNTY GRANCANG MEDICINAL PLANTING CO LTD