75results about How to "Efficient purification effect" patented technology

The invention discloses purifying equipment for domestic water. The purifying equipment comprises an active-carbon filtering chamber, wherein one side of the bottom end of the active-carbon filtering chamber is provided with a tap-water inlet, one side of the top end of the active-carbon filtering chamber is communicated with a biological manganese-sand filtering chamber, an ultrafiltration-membrane filtering chamber, an ultraviolet disinfection chamber and a clean-water pool; the middle parts of the top ends of the active-carbon filtering chamber, the biological manganese-sand filtering chamber and the ultrafiltration-membrane filtering chamber are respectively provided with a first spraying head, a second spraying head and a third spraying head, and the middle parts of the bottom ends of the active-carbon filtering chamber, the biological manganese-sand filtering chamber and the ultrafiltration-membrane filtering chamber are respectively connected with a first draining valve, a second draining valve and a third draining valve; and the top end of the clean-water pool is connected with a clean-water connecting main pipe which is respectively communicated with the first spraying head, the second spraying head and the third spraying head by a first backwashing valve, a second backwashing valve and a third backwashing valve. The purifying equipment disclosed by the invention has the advantages that the structure is simple, the operation is convenient, the purifying effect is good, and batched purifying treatment can be carried out on tap water; and backwashing can be carried out respectively on all the filtering chambers by the backwashing valves, so that high-efficiency purifying effect can be maintained all the time.

The invention discloses a loaded Pd catalyst, and a preparation method and application thereof. Pd nano particles are loaded onto a LaFeO3 semiconductor carrier with a light absorption function to prepare the loaded Pd catalyst, a flexible LED light strip is introduced into a catalytic converter with the loaded Pd catalyst, and CO/NO can be efficiently removed in a catalysis manner by utilizing the optical-thermal coupling effect. Compared with the conventional thermal catalytic reaction, the application temperature of the catalyst can be greatly reduced by virtue of the optical-thermal coupling method; and moreover, the flexible LED light strip can better resist the vibration compared with the conventional lamp tube, and the loaded Pd catalyst can be widely applied to the purification of automobile exhaust gas and the removal of NO and CO.

The invention discloses an air sterilizing and filtering device. The air sterilizing and filtering device comprises a main case, an air supply system and a purification system. The main case, the air supply system and the purification system are assembled in an integral manner. The main case is in a cuboid shape. The purification system and the air supply system are arranged at the two ends inside the main case and are connected with the two ends inside the main case. Compared with the prior art, the air sterilizing and filtering device has the beneficial effects that multiple air purification devices are adopted, sterilizing, disinfecting and filtering are carried out on air, and the purification effect is efficient; due to the fact that a control circuit is arranged, operating of the device is more power-saving and energy-saving, and the high efficiency and the environment protection are achieved; and an entire air purifier is simple in design structure, attractive in appearance, convenient and practical, and therefore the application prospect is extremely wide.

The invention discloses a two-stage biological aerated filter and a method for processing rural domestic wastewater, and belongs to the field of biological purification treatment of domestic wastewater. The two-stage biological aerated filter comprises an adjusting tank, a first-stage biological aerated filter, a bottom mud ceramisite layer, a second-stage biological aerated filter, a tail gas utilization pipe, a draught fan, a back flush water pump and a back flush air pump. The ceramisite filled in the bottom mud ceramisite layer is prepared by mixing 65-75 wt% of bottom mud powder, 10-15 wt% of flour and 10-25 wt% of pulverized coal. According to characteristics of COD degrading bacteria and ammonia nitrogen transformation bacterium, proper operation conditions of each stage (dissolved oxygen DO, filter cycle) are set, and COD degradation and ammonia nitrogen transformation are respectively carried out in the two-stage biological aerated filters. The two-stage biological aerated filter of the invention has a simple structure, is reasonably set and is convenient to use.

The invention discloses a household air purification device, and relates to the technical field of air purification equipment. The household air purification device comprises a shell; the shell comprises an air inlet arranged on a front wall, an air outlet arranged on a rear wall and a filter net mechanism and a fan arranged in an inner cavity; the filter net mechanism is vertically arranged between the air inlet and the air outlet; the fan is located on the rear side of the filter net mechanism; the shell further comprises a protection cover plate located on the outer side of the air inlet; a clearance is preserved between the protection cover plate and the air inlet; a camera is arranged on the top of the shell; and an air outlet grid plate is arranged on the air outlet. The household air purification device is especially applicable to air purification in a room of a child; and meanwhile, the household air purification device has a real-time monitoring function, so that safety and stability are high.

The invention discloses water spraying filtering air purification equipment, which comprises an outer machine shell, a controller arranged on the outer machine shell, an air outlet formed in the outermachine shell, an air inlet formed in the lower portion of the outer machine shell, a purification device arranged in the outer machine shell and a water circulation device arranged below the purification device. The purification device comprises a purification barrel, a turbine arranged in the purification barrel, a rotating shaft arranged below the turbine, a plurality of supporting frames arranged on the rotating shaft, a scraping plate arranged on the supporting frames, a water return tank arranged on the lower portion of the scraping plate, a drainage pipe arranged on the lower portion of the water return tank, a plurality of sand scraping devices arranged below the drainage pipe, a plurality of water spraying devices arranged on the left side and the right side in the rotating shaft, and a plurality of dredging devices arranged on the support frame. According to the invention, air is purified through the purification device, the mist baffle can adsorb moisture in the air, so that the air humidity is reduced, the scraper can scrape off water drops on the inner wall of the purification box, the water drops are discharged through the water outlet holes, and dust in the water collection box is scraped off while water is filtered.

The invention discloses a polyamide production system. The polyamide production system comprises a polymerization plant, an acidification kettle, a plate-and-frame filter press, a transferring kettle, a centrifugal separation device, a film evaporator, a molecular distillation device, a pipeline switching and filtering device, a polycondensation device, a filtering device and a pelleting system sequentially from front to back according to a technical process, and further comprises a waste gas treating device and a waste water treating system. The waste gas treating device is used for subjecting waste gas produced in a production process to decomposition and sedimentation treatment. The waste water treating system is used for subjecting waste water produced in the production process to purification treatment. The invention further discloses a polyamide production method for the polyamide production system. The polyamide production system and the polyamide production method have the advantages of high processing efficiency, high processing safety, low product impurity rate and capabilities of treating the waste water and the waste gas produced in the production process, and are mainly applied to the technical field of polyamide production.

The invention discloses a fuel cell power generation system based on pure water electrolysis hydrogen production. The system comprises a hydrogen production module, a power generation module and a controller, wherein the hydrogen production module conveys produced hydrogen to the power generation module through a pipeline, and a hydrogen flow adjusting device and a controller are arranged on the pipeline between the hydrogen production module and the power generation module. The invention relates to the technical field of power generation systems. According to the invention, a PEM electrolytic bath structure is adopted to realize pure water electrolysis hydrogen production, a PEM core electrolysis system is designed, a reverse reaction principle of electrolyzed water is adopted to design a fuel cell power generation system, a power generation module indicates the hydrogen flow of a hydrogen production module through a floating ball and measures the hydrogen flow of the hydrogen production module through a transmitter so as to adjust a fuel cell module equipped with the fuel cell module, so that the power generation efficiency of the fuel cell module can be optimal; and the parts of the related structure cooperate with each other, so that the hydrogen production module is matched with the power generation module so as to improve the optimal power generation efficiency under different electric quantity requirements.

A wastewater treatment method is disclosed. The method includes arranging an impounding reservoir beside a riverway, allowing river water in the riverway to flow into the impounding reservoir, and then allowing water in the impounding reservoir to flow back to the riverway. The capacity of the impounding reservoir is 1-10 times of the daily flow of the river water. The impounding reservoir is provided with a plurality of biological purification units and physical and chemical purification units inside. The biological purification units include rails, matrixes and plants, with the matrixes being at the bottom of the rails and the plants being planted in the matrixes. The physical and chemical purification units include filler tanks and fillers. The side walls and the bottoms of the filler tanks are provided with through holes through which the river water flows. River water is purified by adopting a combination process of the two types of units, purification effects are good and purification materials are comprehensive in variety. The method is simple, can play a role for long time after system stabilization, and is simple in equipment, low in cost and suitable for large-scale promotion.

The invention discloses a permeable reactive barrier system for biological removal of underground water nitrite, and the system comprises a permeable reactive barrier framework; the permeable reactive barrier framework is provided with a reaction zone, a plurality of sleeves are detachably arranged in the reaction zone, the side wall of each sleeve is provided with a plurality of through holes to be communicated with the reaction zone, and the through holes are communicated with the reaction zone; and the sleeve is filled with denitrification slow-release filler. The permeable reactive barrier system is used for repairing underground water polluted by nitrite nitrogen, and has the advantages of being large in water treatment amount, good in effect, stable in effect, simple in process, high in applicability, low in investment, small in occupied area and low in operation cost. The process of groundwater remediation in China is facilitated, and domestic drinking water sources are protected.

The invention discloses a boosting type air purifier with hollow plates, and an assembling method of a module core of the air purifier, and belongs to the technical field of air purification. The boosting type air purifier comprises a box, a rough-filtering purifier, a hollow-plate boosting type air purifier module core, two guide rails, a fan, a positive-voltage flyback transformer and a negative-voltage flyback transformer. The hollow-plate boosting type air purifier module core comprises more than two positive-electrode hollow plate components, more than two negative-electrode hollow plate components, and more than four 0-electrode hollow plate components. The positive-electrode hollow plate components, the negative-electrode hollow plate components, and the 0-electrode hollow plate components are electrically connected with the positive-voltage flyback transformer and the negative-voltage flyback transformer, the positive-electrode hollow plate components and the 0-electrode hollow plate components generate the voltage in the range of +4000V to +12000V, and the negative-electrode hollow plate components and the 0-electrode hollow plate components generate the voltage in the range of -4000V to -12000V. The module core body is cut by heating with electric wires and formed as a whole. The boosting type air purifier has the advantages of high once purification rate, no ozone increment, long effect, and favor of integral assembly.

The invention discloses a screw rod type wet-process oil smoke purification system. The system comprises a screw rod type machine head which is connected with a high-speed motor and communicates withan indoor oil smoke gas inlet, a liquid-gas separator filled with a washing liquid and used for carrying out separation between oil stain and gas on oil smoke, a washing liquid conveying device used for conveying the washing liquid into the machine head through high pressure, and a liquid-gas output pipe used for conveying oil gas from the machine head to the liquid-gas separator, wherein one endof the liquid-gas output pipe communicates with the machine head, and the other end of the liquid-gas output pipe communicates with the liquid-gas separator. According to the screw rod type wet-process oil smoke purification system, when the screw rod type machine head rotates and performs stirring at a high speed, the oil smoke is rapidly sucked in the machine head, and reaction, mixing and absorption are carried out so as to form a liquid-gas mixture, the liquid-gas mixture enters the liquid-gas separator from the liquid-gas output pipe, the oil stain and the washing liquid form a mixed solution, and the gas is discharged into the atmosphere. According to the screw rod type wet-process oil smoke purification system, the oil smoke, air and the washing liquid can be in full contact withoutbeing affected by the wind speed, so that the super-efficient purification effect is achieved, and the situation that the maintenance work such as pipeline oil dirt cleaning in a traditional smoke exhaust purification system must be carried out regularly is avoided.

The invention discloses anionic polyacrylamide and application thereof, and belongs to the technical field of sewage treatment. An monomer of anionic polyacrylamide is acrylamide, an ionic monomer ofanionic polyacrylamide is sodium p-styrenesulfonate, and an initiator of anionic polyacrylamide is ammonium persulfate, sodium borohydride and azodiisobutylamidine hydrochloride; wherein the ionic monomer is grafted on a carbon chain of polyacrylamide; the ionic degree of the anionic polyacrylamide is 10 to 40wt%, preferably 20wt%; the polymerization degree of the anionic polyacrylamide is 80000 to 190000, preferably 150000. According to the preparation method, a proper amount of water-soluble ionic groups are introduced in the process of synthesizing polyacrylamide so as to regulate the ionicdegree of polyacrylamide; the anionic polyacrylamide is used for municipal sewage treatment, and the electrostatic adsorption flocculation effect of charged groups on the polymer on impurities in water is further optimized by screening out proper ion degree and corresponding use process conditions, so that the efficient sewage purification effect is achieved through function integration, and thenational first-grade A standard is met.

The invention discloses a liquor storage device with purifying and cleaning functions, which belongs to the field of liquor processing equipment. The liquor storage device comprises a tank body, a liquor storage tank and a cleaning mechanism, wherein a spiral mixing shaft is arranged in the tank body, a settling chamber is formed in the bottom of the tank body, and a coarse filter layer is arranged on the side wall of the tank body; a liquor inlet is formed in the liquor storage tank, the liquor inlet communicates with the coarse filter layer, a fine filter layer is arranged on the lower end of the liquor storage tank, and a micropore filter membrane is arranged in the fine filter layer; an air inlet is formed in the top of the liquor storage tank; the cleaning mechanism comprises a transfer barrel, the bottom of the transfer barrel communicates with a liquor inlet tube, the liquor inlet tube extends into the liquor storage tank, and a first movable valve is arranged in the communication position of the liquor inlet tube and the bottom of the transfer barrel; a piston is arranged in the transfer barrel, a through hole is formed in the middle of the piston, and a second movable valve which is used for sealing the through hole is arranged on the top of the piston; a piston rod is arranged on the top of the piston; and a communicating port is formed between the transfer barrel andthe tank body, a high-pressure nozzle is arranged at the communicating port, and the high-pressure nozzle is located in the tank body. According to the liquor storage device, liquor can be simply filtered, and the tank body can be conveniently cleaned.