603results about How to "Improve the water effect" patented technology

The invention provides equipment and a method for treating nondegradable wastewater by utilizing catalytic oxidation of ozone. The equipment comprises a feeding system, an ozone catalytic reaction tower and a spray absorbing tower; the feeding system comprises a wastewater pH regulation device, a wastewater feeding pipeline, a hydrogen peroxide aqueous solution feeding pipeline, an ozone feeding pipeline and a pH regulator feeding pipeline; the wastewater pH regulation device is communicated with the wastewater feeding pipeline and the pH regulator feeding pipeline respectively; the ozone feeding pipeline is communicated with the wastewater feeding pipeline; the ozone catalytic reaction tower is communicated with the wastewater feeding pipeline and the hydrogen peroxide aqueous solution feeding pipeline respectively so that wastewater undergoes once catalytic reaction in the presence of a first catalyst to generate a liquid flow and an ozone tail gas flow which are subjected to initial treatment; and the spray absorbing tower is communicated with a catalytic reaction system, is used for spraying at least one part of the liquid flow which is subjected to the initial treatment, and is contacted with the ozone tail gas flow in the presence of a second catalyst to undergo second catalytic reaction.

The invention discloses a method and system for high-efficiency recovery of high-salinity mine water. The method comprises the following steps: removing colemanite, bicarbonate radicals and suspended solids by using a high-density clarifying pond to reduce reverse osmosis structure tendency; subjecting concentrated reverse osmosis water to chemical softening pretreatment to remove easily fouling components; and carrying out solid-liquid separation by using a tubular micro-filtration membrane and allowing separated liquid to enter into a concentrated water reverse osmosis unit. According to the invention, the concentrated reverse osmosis water undergoes chemical softening pretreatment to remove the easily fouling components, the tubular micro-filtration membrane is employed for solid-liquid separation, the separated liquid directly enters into the concentrated water reverse osmosis unit without treatment by other filtering units, so operation process flow is simplified, a land occupation area is reduced, designed flux is great, and a good effluent effect is obtained. The tubular micro-filtration membrane used in the invention is different from other micro-filtration or ultra-filtration membranes; the tubular micro-filtration membrane runs in a cross flow mode, water flow tangentially flows through the surface of the membrane at a high speed, thereby realizing scouring and cleaning of the membrane surface while carrying out filtering, and the membrane surface is hardly contaminated.

The invention discloses a treating and recycling zero-emission technology for coking phenol-cyanogen wastewater. According to the treating and recycling zero-emission technology, a pre-sedimentation oil separating tank, an air floating system, an adjusting aeration tank, an anaerobic tank, an anoxic tank, an aerobic tank, a secondary sedimentation tank, a coagulating reaction tank, a quick filtering tank, an ultrafiltration raw water tank, an ultrafiltration system, a nanofiltration system, a reverse osmosis system, a concentrated water aerobic tank, a concentrated water anoxic tank, an SBR tank, a chemical oxidation tank, a bitter water film concentrating system, a softening rigidity removing system, a low-pressure sea-water film system, a high-pressure sea-water film system, an MVR evaporating system, a sludge thickening tank, a press filter and a Roots blower are adopted for technological treatment. The invention further discloses treating and recycling zero-emission equipment for coking phenol-cyanogen wastewater. The treating and recycling zero-emission technology and equipment are high in treatment efficiency and low in cost, and have the advantages that zero emission of sewage can be realized.

The invention provides a plastic faucet and a manufacturing method thereof, which belongs to the technical field of life necessaries and solves the problems of prior art, such as difficult fabrication, high cost and poor stability in water outlet. The plastic faucet comprises a main body and a valve core, which are made of plastic materials. The external end of the valve core extends outside the main body and then is connected with a handle. The main body is also provided with a water inlet pipe and a water outlet port. The main body consists of an upper body and a lower body, which are overlapped together. A shell is arranged outside the upper body and the lower body to tightly enclose the two bodies. An inlet water passage and an outlet water passage are arranged at the junction of the upper body and the lower body and communicated with the water inlet pipe and the water outlet port respectively. The manufacturing method of the plastic faucet comprises the following steps: A. parts fabrication; B. parts assembly; C. mould setting and closing; D. injection molding; E. surface treatment; and F. assembly finishing. The invention has the advantages of simple structure, low cost, good stability in water outlet, and convenient fabrication and use.

The invention discloses a method for preparing an absorbent for a polyaromatic hydrocarbon pollutant. The method comprises the following step that: a biomass porous adsorption material and cationic surfactant are subjected to modification reaction, wherein a cationic surfactant comprises a quaternary ammonium cationic surfactant and a polymeric cationic surfactant, and is a cationic surfactant, of which the molecules carry C8-C24 alkyl, which can be dissolved in water, can generate ionization, and can remarkably affect wettability between solid and liquid. The invention also discloses the adsorbent for the polyaromatic hydrocarbon pollutant and application thereof. The adsorbent for the polyaromatic hydrocarbon pollutant can be used for polyaromatic hydrocarbon treatment of domestic sewage advanced treatment, and removal rate can be over 95 percent; and the preparation method has the advantages of wide raw material sources, low cost and simple process.

The invention provides a water consumption acquisition method of a sweeping robot and a unit and electronic device and permanent computer readable storage medium. The method comprises the following steps of: controlling the sweeping robot to collect an image of a ground to be cleaned, so as to obtain the ground image of the ground to be cleaned; controlling the sweeping robot measure the humidityof the ground to be cleaned to get the humidity information of the ground to be cleaned; according to the ground image and the humidity information, obtaining the target water consumption of the sweeping robot; controlling the sweeping robot to clean the ground according to the target water consumption. According to the embodiment of the invention, the current condition of the object to be cleanedis checked by intelligent means, the optimal water consumption parameters are recommended according to the current condition, and the self-adaptive water consumption control for the object to be cleaned is achieved to achieve the optimal water consumption effect. The method can improve the intelligence level and cleaning efficiency of the sweeping robot.

The invention discloses a treatment method and device for extremely-high-concentration waste emulsion. The treatment method comprises the following steps that firstly, the waste emulsion is subjected to oil separation treatment to remove floating oil on the upper layer of the waste emulsion, and the waste emulsion obtained after oil separation treatment is obtained; secondly, the waste emulsion obtained after oil separation treatment is subjected to distillation pretreatment, and waste oil and waste water are obtained. The device comprises an oil separation system and a distillation system which are connected in sequence, wherein the oil separation system is used for regulating the flow of the waste emulsion and removing the floating oil on the surface of the waste emulsion, and the distillation system is used for carrying out demulsification and achieving oil and water separation of the waste emulsion obtained after oil separation treatment. Demulsification and oil and water separation are achieved at the same time through distillation treatment, selectivity is avoided, and the method and the device can be widely applied to treatment of various kinds of waste emulsion; recycling is easy, a demulsification agent does not need to be added, the component and nature of waste oil cannot be damaged, and decrease of the utilization value of the waste oil can be avoided.

The invention discloses a deaminizing treatment method of medium-concentration and low-concentration ammonia-nitrogen wastewater under high COD (Chemical Oxygen Demand), salt content and heavy metal content. The method comprises the following steps: regulating pH of ammonia-nitrogen wastewater to be about 10 through alkali liquor to convert ammonium ions (NH<4+>) in the wastewater into volatile NH3; removing metal ions by flocculent precipitation and filtering; preprocessing wastewater through a cartridge filter; feeding the wastewater into a hydrophobic membrane, wherein the wastewater is fed through the inside bottom part of the membrane, and an acid absorption solution is fed through the outside bottom part of the membrane; enabling NH3 to penetrate the hydrophobic membrane by dissolving and diffusing in order to be absorbed by the acid solution outside the membrane, and thus reaching the purpose of removing ammonia nitrogen. According to the deaminizing treatment method, the water treated is of complex quantity; ammonia nitrogen in wastewater can be efficiently removed under high COD, high salt content and high heavy metal content conditions; and the method is simple, small in equipment investment, low in operation cost, and has a good treatment effect.

The invention relates to an efficient synchronized biological nitrogen and phosphorus removal combined device integrated with an anaerobic tank, an anoxic tank, an aerobiotic tank, a sedimentation tank and a sewage sludge recirculation process and a method thereof. Adjacent reaction tanks in the device share a same wall; a first anoxic tank, the anaerobic tank and a second anoxic tank are sequentially arranged from the front to the back; the right side of the first anoxic tank, the anaerobic tank and the second anoxic tank is provided with a corridor-type distribution channel, which supplies water respectively to the first anoxic tank, the anaerobic tank and the second anoxic tank through the water inlet pipes; a tank sludge tank, the sedimentation tank and a buffer zone are sequentially arranged from the front to the back and at the left side of the first anoxic tank, the anaerobic tank and the second anoxic tank; an outlet channel is arranged at the left side of the sedimentation tank; and the aerobiotic tank is arranged behind the buffer zone and the second anoxic tank. Through clever layout and reasonable design, the invention combines the biochemical tank and a secondary sedimentation tank to form an integrated process, so as to greatly reduce the construction cost and the occupied area.

The invention discloses a shore type ladder-grade two-dimensional surface flow water filtering riverbed in-situ ecological remediation method. A riverbed space is utilized sufficiently, and the section of the riverbed is designed into functional regions including a central main river tank, a ladder-grade two-dimensional surface flow base bed, a shore water distribution ditch and the like in sequence from inside to outside, and a certain water level gradient is kept. A river vertical hydraulic gradient and an upstream residual position water head are utilized to arrange facilities including a water distribution short dam and the like at an inlet end of a remediation unit; water from a riverbed upstream is distributed to the shore water distribution ditch and the central main river tank according to the ratio. Water distribution weirs are uniformly distributed on the inner side of the water distribution ditch and are used for distributing the river water to the ladder-grade two-dimensional surface flow base bed; the river water flows through the ladder-grade base bed in a manner similar with a transverse flow regime vertical to a central line; the base bed is internally filled with substances and aquatic plants are planted to establish a complete ecological system; meanwhile, water quality is strengthened and purified and a river ecological system is remediated; the water discharged from the base bed is collected to the central main river tank so that the in-situ ecological remediation of a shore type ladder-grade two-dimensional surface flow water filtering riverbed of one unit is finished.

A wind and rain preventing device for aluminum doors and windows includes a window structure composed of an inner window, an outer window, a lower frame, two side frames and an upper frame. The wind and rain preventing device consists of plural covering-and-clogging casings, plural water-preventing elongate members, an inner draining space, a lower wind-and-rain-stopping blocks, plural draining valves, an upper wind-and-rain-stopping blocks, and plural collision-preventing and airtight elongate members. The wind and rain preventing device for aluminum doors and windows has excellent effects of prevention of wind and rain and resistance to wind pressure as well as functions of stopping rain water from flowing backward and draining out rain water smoothly.

The invention belongs to the technical field of drinking water and sewage treatment, and specifically relates to a water treatment method and equipment of a photocatalytic composite membrane bioreactor for removing micro pollutants out of water. The process mainly consists of an aeration tank and other auxiliary devices. Sewage containing micro pollutants enters the aeration tank. An ultraviolet lamp tube loaded with a titanium dioxide catalyst is vertically distributed at the center in the tank, and the outer layer of the lamp tube is encircled by a membrane assembly and a biological membrane carrier mainly loaded with nitrifying bacteria in sequence. One part of micro pollutants in the sewage are removed by virtue of ultraviolet photo-catalysis, the biological membrane and ammonia nitrogen-containing wastewater generate nitration reaction to remove ammoniacal nitrogen, and in the nitration process, the biological membrane generates co-metabolism with the micro pollutants to further remove the pollutants. The process can have stable and efficient removing effect on various micro pollutants under a low-concentration organic carbon source condition.

The invention discloses a closed-loop control system for treating landfill leachate in cooperation with partial nitrosation and denitrification and a denitrifying and decarburizing method for treating the landfill leachate. A programmable logic controller in the system is connected with a water inlet pump, a water outlet valve, a mud valve, a stirrer, a fan, a water inlet/outlet and an alarm floating ball switch, a sensor automatically controls the process of a reactor such as water charging, stirring, aerating, depositing, mud discharging, and water discharging, and the system is provided with a constant temperature system to control the reaction temperature. The denitrifying and decarburizing method comprises the following steps of: firstly stirring in an anaerobic way to denitrify partial nitrite nitrogen and nitrate in the reactor after the water charging, and aerating to degrade the residual organic matter and carry out partial nitrosation, so that the most degradable organic matters can be removed, and about 53% of ammonia nitrogen can be converted into nitrite nitrogen, therefore, a condition can be created for the anaerobic ammonia oxidation treatment. The system can carry out the stable denitrification treatment and the partial nitrosation treatment on the landfill leachate, can further effectively remove the organic mattes, and is high in mud settleability, high in activity, full-automatic in control, convenient and reliable.

The invention provides a horizontal type three-phase biological fluidized bed and a sewage treatment method thereof. According to the horizontal type three-phase biological fluidized bed, a water inlet and water distribution anaerobic zone, a high-load facultative biological treatment zone, a baffling zone, a low-load aerobic biological treatment zone and a settling pond are horizontally arranged from a water inlet end to a water outlet end, and moreover suspended biological stuffing layers are arranged inside other zones except the baffling zone. Sewage is fed into the water inlet and water distribution anaerobic zone, in an anaerobic environment, BOD organic maters in the wastewater are converted into a fermentation product by facultative fermentation bacteria, polymerized phosphate stored in the cells is decomposed by phosphorus-accumulating bacteria, and then the sewage is fed into the high-load facultative biological treatment zone to remove COD and nitrogen, is further fed into the low-load aerobic biological treatment zone to reduce phosphorus in the effluent, and is finally settled, clarified and filtered by the settling pond so as to obtain clean water. As all process steps are accomplished in one same horizontal pond, the land is saved, the phenomenon that equipment such as a pump and a valve is blocked when dispersed type stuffing is adopted to treat sewage is avoided, and a carrier is prevented from loss, piling or hardening.

The invention relates to an improved integrated oxidation ditch, which comprises an oxidation ditch body, an aeration device at the bottom or the lower middle part and a built-in partition precipitation zone at the tail end of a treatment flow. The integrated oxidation ditch is characterized in that: a suspended filler is filled in the oxidation ditch body, a filler intercepting net is arranged at the water inlet of at least the precipitation zone, and a transverse herringbone folded plate or a bent pipe mud-water separation filler is arranged in the precipitation zone. The quantity of microbes in the oxidation ditch is increased, the treatment volume load is improved, the increased biomass is mainly centralized on the suspended filler, the actual suspended sludge concentration in the water of the oxidation ditch is not increased or reduced and can be controlled to be less than 3,000mg/l, the built-in partition precipitation zone can be designed according to the high load, the biomass is increased, the area of the precipitation zone is not increased or properly reduced, the occupation area of the oxidation ditch is actually and effectively saved, the occupation is saved by 1/3 to 1/5 compared with a common deep oxidation ditch and by 10 to 20 percent compared with a deep oxidation ditch with a precipitation zone, the suspended biological filler can save the running energy consumption and the running energy consumption can be reduced by 20 to 30 percent.

The invention relates to a watering device, in particular to a quick watering device for garden planting. Against the technical problem to be solved, the invention provides a quick watering device forgarden planting, which is convenient to use and saves manpower and time. In order to solve the technical problems, the invention provides a quick watering device for garden planting, which comprisesa fixing frame, a first one-way valve, a water inlet pipe, a second one-way valve, a piston, a first moving rod, a cylinder block , a moving frame, a water outlet pipe, a roller, a disc, a motor and the like. A first supporting rod is installed on the lower portion of the fixing frame, a first bearing is installed at the lower end of the first supporting rod, and a first rotating shaft is mountedin the first bearing in an interference fitting mode. The quick watering device for garden planting has the advantages of being convenient to use and saving labor and time; large-area garden wateringwork can be completed quickly by using the device, and the device is convenient to use and saves a large amount of manual labor.

The present invention provides a mixer used for the slime water flocculation treatment process of coal preparation plant. The mixer of the present invention comprises a shell; wherein a first level impeller and a second level impeller which are driven by a motor are arranged inside of the shell; one side of the shell is provided with a slime water inlet and a flocculant feeding port, and the other side of the shell is provided with a slime water outlet; the first level impeller is adjacent to the slime water inlet, and the second level impeller is adjacent to the slime water outlet; the flocculant feeding port is connected between the first level impeller and the second level impeller through pipeline; the flocculant feeding port is provided with a pipeline which is connected to the slime water inlet and is provided with a valve. The mixed of the present invention is capable of improving the flocculation effect, obviously improving the water output effect of the concentrator, perfecting the slime water flocculation treatment process of coal preparation plant, setting nicer base for the coal washing with clear water and the closed circuit of wash water of coal preparation plant, and having a wide popularization and application prospect.