84 results about "Sewage treatment" patented technology

A nano-class magnetic particle-palygorskite composition, which can be magnetically controlled and used for cleaning raw materials, water, air, sewage, etc and preparing target medicines, is composed of palygorskite crystals and magnetic nanoparticles carried by said palygorskite crystal. It is prepared from palygorskite clay through suspending in water, adding Fe salt solution, hydrolytic reaction, dewatering, washing, and reductive calcining.

The invention provides an external-soil spray seeding matrix and a preparation method thereof. According to the external-soil spray seeding matrix, soil, sludge compost, saw dust, a water-retaining agent, a binding agent and biological organic fertilizer serve as the main raw materials, stability can be maintained for a long time, and the fertilizer efficiency time is long; by means of usage of solid waste, environmental friendliness and low price are achieved, the greening effect can be effectively improved, and the problems that when spray seeding is conducted on a traditional matrix, the structure of the soil is poor, few granular structures exist, and nutrients are deficient and the problem of instability caused by invalidation of the binding agent are relieved. According to the external-soil spray seeding matrix, the sludge compost is adopted as the raw material, the non-renewable grass charcoal soil resource can be replaced, the cost can be effectively reduced, and harmlessness, reduction and resource utilization of sludge in a sewage treatment plant can be achieved; usage of the sludge compost, the saw dust and the biological organic fertilizer solves the piling-up problem of the solid waste. The preparation method of the external-soil spray seeding matrix is simple in technology, low in cost and suitable for large-scale production.

The invention discloses a hospital sewage treatment system which comprises a grating well, a pre-disinfecting tank, a septic tank, a pre-aeration adjusting tank, an anoxic tank, a bio-contact oxidation tank, a vertical flow sedimentation tank, a quantitative tank, a purifier, a contact disinfecting tank and a dechlorination tank which are arranged in the sewage flow direction and communicate with each other through pipelines. The grating well communicates with a hospital sewage drainpipe. Processed hospital sewage passes through the dechlorination tank and is then discharged. The system provided by the invention has high degree of automation, is convenient to manage, and is adopted to reduce operating personnel. In comparison with a traditional sewage station management system, the system provided by the invention has the following advantages: energy is saved; operation time is reduced; work schedule of personnel and labor intensity are decreased; the purifying effect is good; and emission targets after processing reaches the national emission standard.

The invention provides metal glass micron foil and a preparation method thereof. The preparation method comprises the steps that metal and a metal glass plate or strip are overlapped; an overlapped material is heated till the temperature reaches the metal glass supercooled liquid phase region which is between the glass transition temperature Tg and the crystallization temperature Tx; and then rolling calendaring is conducted, and the metal glass foil with the micron-scale thickness, namely the metal glass micron foil, is obtained. According to the preparation method, the metal glass foil can be quickly prepared on a large scale, the cost is low, and operation is easy and convenient; and the metal glass micron foil prepared through the method has utilization potentiality in the fields suchas sensors, sewage treatment, electronic skins, flexible smart wear, electromagnetic shielding, radiation resistance, catalyzing and composite materials.

The invention discloses industrial acidic sewage treatment equipment. The treatment equipment comprises a sewage filtering tank, a sewage neutralization tank, a sewage reaction tank and an impurity collection tank, wherein a filter screen is arranged in the sewage filtering tank, a brush roller is arranged at the upper part of the filter screen, and the brush roller is connected with a pushing mechanism. The brush roller can be pushed by the pushing mechanism to move in a moving groove, so impurities on the filter screen are removed and cleaned into the impurity collecting tank; sewage can bepumped into the sewage neutralization tank through a first pump, stirring blades are driven by a stirring motor to stir the sewage, and a chemical pumping cylinder can be driven by the stirring motorto work at the same time, so a chemical in a chemical tank is pumped into the sewage neutralization tank to be neutralized with the sewage; and the sewage can be pumped into the sewage reaction tank again for a reaction through the second pump. The equipment of the invention has the advantages of simplicity and convenience in sewage treatment, capability of ensuring that sewage meets neutralization requirements and capability of automatically cleaning and filtering impurities, and is mainly used for sewage treatment.

The invention relates to sewage treatment equipment, in particular relates to a residue cleaning device used for sewage treatment, and aims at providing a residue cleaning device which is used for thesewage treatment, simple in operation process and good in treatment effect and requires smaller resources. For achieving the aim, the provided residue cleaning device used for the sewage treatment comprises supporting legs and the like, wherein a first supporting plate is arranged at the top of the supporting legs at the left side and the right side, a movable filtration mechanism is arranged onthe supporting legs at the right side, a material guiding pipe is arranged at the middle part of the left side, and a collecting mechanism is arranged at the top of the material guiding pipe. The residue cleaning device used for the sewage treatment has the advantages that the movable filtration mechanism and the collecting mechanism cooperate with each other for treating sewage guided out from the material guiding pipe, and the optimization of an auxiliary mechanism and a disinfection mechanism is utilized, so that the effects of simple operation process, good treatment effect and smaller required resources are achieved.

The invention discloses an efficient liquid sodium acetate carbon source for degrading ammonia nitrogen in wastewater. The efficient liquid sodium acetate carbon source is prepared from sodium acetate, glacial acetic acid, sodium carbonate, ethyl alcohol, glucose and deionized water. The efficient liquid sodium acetate carbon source is prepared through the following steps: uniformly mixing sodiumacetate and glacial acetic acid, adding a part of deionized water, stirring to obtain a solution 1; taking sodium carbonate, adding a part of deionized water, and stirring to obtain a solution 2; taking glucose, adding a part of deionized water, and stirring to obtain a solution 3; and mixing the solution 1, the solution 2 and the solution 3, sequentially adding ethyl alcohol and the rest of deionized water, and uniformly stirring to obtain the efficient carbon source (liquid sodium acetate) for degrading ammonia nitrogen in wastewater. The efficient liquid sodium acetate carbon source has thebeneficial effects that sodium acetate is harmless to a human body, is low in cost, is easily absorbed and used by microorganisms, and is an ideal external carbon source; glacial acetic acid can externally increase a carbon source, and the pH value is maintained in the sewage treatment process; and sodium carbonate can provide an inorganic carbon source for a part of microorganisms.

The invention provides efficient wastewater-treatment purifying equipment. The efficient wastewater-treatment purifying equipment comprises a machine body, and the machine body is sequentially dividedby partition plates into a mixing layer, a treatment purifying layer and a driving layer from top to bottom; a water inlet pipe is fixedly connected to the upper portion of the left surface of the machine body, a mixing pipe is arranged on the right side of the water inlet pipe, a water outlet pipe is fixedly connected to the lower portion of the mixing pipe, a chemical box is fixedly connected to the middle of the upper portion of the machine body, a motor is arranged on the lower surface of the machine body, a driving gear is fixedly connected to the upper portion of the motor through a primary rotating shaft, driven gears are arranged on the two sides of the driving gear, centrifuging drums are fixedly connected to the upper portions of the driven gears through secondary rotating shafts, active-carbon filtering nets are fixedly connected outside the centrifuging drums, and a water draining pipe is fixedly connected to the lower portion of the right surface of the machine body. According to the efficient wastewater-treatment purifying equipment, the defects in the prior art are overcome, designing is reasonable, the structure is compact, and through the mixing pipe, the centrifuging drums and the active-carbon filtering nets of a U-shaped structure, the efficient wastewater-treatment purifying capacity is achieved.

The invention discloses a preparation method of a graphene/titanium oxide composite visible light photocatalyst. The preparation method comprises the following steps: 1, taking graphene oxide, dispersing the graphene oxide in an alcohol-water solution, and carrying out ultrasonic treatment on the obtained mixed dispersion for a period of time; 2, slowly dropwise adding a TiCl4 solution to a solution obtained after the ultrasonic treatment while stirring; 3, continuously magnetically stirring a solution obtained after the dropwise addition for a period of time; and 4, transferring a solution obtained after the stirring to a hydrothermal reaction kettle, carrying out a heating reaction in an oven, cooling the obtained reaction product, filtering the cooled reaction product, washing the filtered reaction product, and drying the washed reaction product to obtain the visible light response photocatalyst. The preparation method of the composite visible light photocatalyst is simple, raw materials are easy to purchase, have low prices and are environmentally-friendly, and the problem of increase of the solar energy utilization rate, caused by expansion of the absorption spectrum to visible lights, by narrowing the forbidden bandwidth of catalysts is solved. The graphene/titanium oxide composite visible light photocatalyst prepared in the invention can be widely applied to sewage treatment and air purification.

The invention discloses a buried four-station-in-one purification treatment device for medical waste. The device comprises a household garbage throwing area, a medical waste classifying and packagingarea, a sludge lifting and drying treatment area, a foul gas treatment area and a sewage treatment area, wherein the household garbage throwing area is arranged at the upper end of the right side of the purification treatment device and is used for packaging household garbage; the medical waste classifying and packaging area is arranged on the left side of the household garbage throwing area and used for classifying and packaging metal, nonmetal and plastic garbage; the sludge lifting and drying treatment area and the foul gas treatment area are both arranged on the right side of the medical waste classifying and packaging area, and the foul gas treatment area is arranged on the front side of the sludge lifting and drying treatment area; and the sewage treatment area is arranged below thepurification treatment device and is used for collecting waste liquid and waste gas. According to the device, a medical waste gas station, a waste water station and a solid waste station which carry germs and viruses are integrated in the same device, so comprehensive treatment of waste gas, waste water and solid waste is realized; and the device has the advantages of reducing intermediate links,improving the medical environment and facilitating implementation and management.

The invention provides a gear and rack semi-meshed feeding type sewage processing device which comprises a shell. A plurality of supporting legs are fixedly connected with the bottom of the shell. Thebottom of the shell is in a conical shape. A reagent adding device is arranged on the top of the shell. The reagent adding device comprises a first sleeve. The first sleeve is fixedly connected withthe upper portion of the shell. The bottom end of the first sleeve is communicated with the interior of the shell. A feeding hopper is fixedly connected with the top end of the first sleeve. A movablepartition plate is arranged in the middle of the first sleeve. A gear and rack semi-meshing device is connected with the right side of the movable partition plate and comprises a horizontal column. The left end of the horizontal column is fixedly connected with the right side wall of the first sleeve. A groove with a leftward opening is formed in the horizontal column. The sewage processing device has the advantages that a rack meshed with an incomplete gear moves to the right side so as to drive the movable partition plate to move to the right side, then the first sleeve is opened by a certain distance, and the releasing of a flocculant is realized.

Innovative blender works with two rotors that each one is connected to an impeller. The rotors rotate contrary and transfer energy with two concentric axes configured of a shaft and a casing. The dual rotor causes fluid to be mixed completely without any swirling, drag or vortex, and this caused high agitation of fluid with high efficiency. The main reason for use of such blenders could include: household uses, laboratories, research centers, educational facilities, industries, water and wastewater treatment plants and anywhere that chemical compounds are mixed with fluids such as water or gases rapidly having short agitation time, in either low or high volumes.

The invention provides an industrial water recycling and reusing device which comprises a regulating tank, a settling tank, a water storing tank, a first grid, a second grid, biological films, a sludge pump, an ultraviolet lamp, a filter screen, a filer film and an ozone machine .The first grid is installed at the upper end of the regulating tank, the second grid is assembled under the first grid, and the biological films are assembled on a support plate; a sludge port is formed in the bottom of the settling tank, the sludge pump is installed at the lower end of the sludge port, and a sludge output pipe is assembled on the upper portion of the sludge pump; the ultraviolet lamp is installed at the top of the water storing tank, the filter screen is assembled in the water storing tank, and the filter film is assembled at the lower end of the filter screen; an ozone inlet is formed in the bottom of the water storing tank, and the ozone machine is installed under the ozone inlet .According to the industrial water recycling and reusing device, the industrial water recycling and reusing functions are effectively achieved, purifying treatment is conveniently conducted on sewage, the sewage treatment effect is improved, water is saved, and the water resource using efficiency is improved.

The invention belongs to the field of domestic sewage treatment, and particularly relates to an ozone-assisted photocatalytic sterilization device, which comprises an ozone generation system, a first control valve, a gas flow meter, a filter, a liquid flow meter, a second control valve, a jet flow mixing device and a photocatalytic reactor, wherein the ozone generation system is connected with the gas flow meter through the first control valve; the filter is connected with the liquid flow meter through the second control valve; the jet flow mixing device is provided with a gas inlet, a liquid inlet and an outlet; the gas flow meter is connected with the gas inlet of the jet flow mixing device; the liquid flow meter is connected with the liquid inlet of the jet flow mixing device; the outlet of the jet flow mixing device is connected with the photocatalytic reactor. The device has the beneficial effects that a process flow is simple, the device is easy to operate, and has good sterilization and disinfection effects, and the treatment cost is effectively lowered.

The invention discloses an integrated sewage treatment device, comprising a sludge discharge pipe, a water inlet, an anoxic tank, a first flow passage, an anaerobic tank, a second flow passage, an aerobic tank, a water distribution pipe, a sedimentation tank and a central cylinder; the water inlet is located on a wall surface of the anoxic tank; the anaerobic tank is located outside the anoxic tank, the first flow passage is located on a wall surface between the anaerobic tank and the anoxic tank, and the first flow passage communicates the anaerobic tank and the anoxic tank; the aerobic tankis located outside the sedimentation tank, the aerobic tank is located above the anaerobic tank, the second flow passage is located on a wall surface between the aerobic tank and the anaerobic tank, and the second flow passage communicates the aerobic tank and the anaerobic tank; the sedimentation tank is located above the anoxic tank, the central cylinder is fixedly connected into the sedimentation tank, and the central cylinder is communicated with the aerobic tank through the water distribution pipe; the sludge discharge pipe is connected with the bottom of the sedimentation tank. The device has the effects of compact structure, small floor space, less running auxiliary equipment, uniform flow state and no dead angle of sedimentation.

The invention provides a multifunctional filter press, and belongs to the technical field of sewage treatment equipment. By the aid of the multifunctional filter press, the problem that filter platesof existing filter presses are inconvenient to change can be solved. The multifunctional filter press comprises a front seat, a rear seat, guide rods, a plurality of filter plates, a push plate mechanism, movable seats, first oil cylinders, piston rods, ejecting plates, dustproof sleeves, a tightening mechanism, a compressing device, a drainage mechanism and a controller. The multifunctional filter press has the advantages that the push plate mechanism and the tightening mechanism can be simultaneously controlled by the controller, so that the filter plates required to be changed can be liftedup from the multiple filter plates by the push plate mechanism, and hang ropes can be conveniently fastened by people; every two adjacent filter plates can be prevented from being collided with eachother, and accordingly the filter plates can be protected; the controller is arranged on the front seat, the movable seats, the first oil cylinders, the tightening mechanism and the compressing deviceare electrically connected to the controller, accordingly, automation of the multifunctional filter press can be embodied, and operation can be facilitated.