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333results about How to "Purify" patented technology

Composite porous activated carbon flue gas adsorbent and preparation method thereof

The invention discloses a composite porous activated carbon flue gas adsorbent which is characterized by comprising the following raw materials in parts by weight: 98-105 parts of shell activated carbon, 36-40 parts of diatomite, 2-3 parts of sodium metasilicate, 2-3 parts of rosin, 2-3 parts of VAE emulsion, 2-3 parts of polyvinyl alcohol, 1-2 parts of sodium alcohol ether sulphate, 1-2 parts of sodium citrate, 1-2 parts of gypsum residue, 2.5-3.5 parts of pulverized fuel ash, 4-5 parts of edible corn starch, 2-3 parts of lanthanum nitrate, 9-12 parts of glass fiber powder, 4-6 parts of adsorption aids and a proper amount of water. The composite porous activated carbon flue gas adsorbent disclosed by the invention is reasonable in formula, viscous matters such as polyvinyl alcohol and edible corn starch are added, the toughness and strength of the activated carbon are improved, and the service life is prolonged; and due to the addition of the adsorption aids, the adsorbent has special porosity, the contact time between gas and the adsorbent is prolonged, and the effects of inhibiting bacteria and purifying the air are achieved. Therefore, the adsorption efficiency is high, the production process is simple, and the adsorbent is suitable for industrial dry desulfurization, automobile exhaust desulfurization and daily air purification.
Owner:ANHUI TOPTECHSCR ENVIRONMENTAL SCI & TECH

Riverway water quality purification and ecosystem restoration adjustable wetland technology

The invention provides riverway water quality purification and ecosystem restoration adjustable wetland technology, which comprises that: a rubber dam with adjustable height is arranged in a riverway; potamogeton plants are planted at the upstream of the rubber dam of the riverway to form artificial wetland; the planting density of the potamogeton plants is between 20 and 30 clusters / m, and a cluster is between 3 and 4 plants; the retention and purification time of river water in the artificial wetland is adjusted by adjusting the height of the rubber dam, the height of the rubber dam is improved in normal and dry seasons to store water to make the water level at the upstream of the rubber dam of the riverway improved, and the adjusting height of the rubber dam is determined by the COD concentration of the river water at the inlet of the artificial wetland and the temperature of the river water. By planting the potamogeton plants in the riverway to form the wetland, instead of lifting the water onto land to construct an artificial wetland, the technology can more directly and effectively restore the damaged riverway ecosystem, improve the water quality of polluted river water, and can ensure normal flood discharge of the riverway in flood season.
Owner:SHANDONG JIANZHU UNIV

Titanium and aluminum based alloy powder material for additive manufacturing and preparation method thereof

The invention provides a titanium and aluminum based alloy powder material for additive manufacturing. The titanium and aluminum based alloy powder material is prepared from the following raw materials in percentage by atom: 47 to 56 percent of Al, 1.6 to 2.3 percent of Cr, 1.6 to 2.0 percent of Mo, 0.6 to 1.2 percent of TiB2 and the balance of Ti and unavoidable impurity. In addition, the invention also provides a method for preparing the alloy powder material. The method comprises the following steps of I, protecting the inner wall of a graphite flow guiding pipe by adopting a ceramic flow guiding inner core; II, preparing high-temperature-preventing carbonized coatings at the end surfaces of the graphite flow guiding pipe and then loading the graphite flow guiding pipe into a smelting chamber; III, preparing an ingot blank by adopting vacuum self-consuming arc smelting; IV, smelting to prepare an alloy melt by adopting a water-cooled copper crucible; V, carrying out atomization treatment, so that the titanium and aluminum based alloy powder material for the additive manufacturing is obtained. The alloy powder material is an alloy system designed for the additive manufacturing process and various properties of a product manufactured through the additive manufacturing technique by adopting the alloy powder material can reach expected effects.
Owner:NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH

Vertical indoor air cleaner capable of highly effectively removing volatile organic gas

The invention relates to a vertical indoor air cleaner capable of highly effectively removing volatile organic gas, comprising a shell; the shell is composed of an ozone oxidizing chamber, a photocatalysis reaction chamber and an absorption chamber from bottom to top in sequence; the ozone oxidizing chamber is provided with an oxidization ultraviolet lamp; the lower part of the oxidization ultraviolet lamp is provided with filtration layers; the photocatalysis reaction chamber is internally provided with a photocatalysis ultraviolet lamp; the upper part and the lower part of the photocatalysis ultraviolet lamp are both provided with photocatalysis sieves; the absorption chamber is internally provided with absorption layers; the top of the shell is provided with an air outlet, the lateral side of the lower part thereof is provided with an air inlet; the air inlet is connected with the internal space of the shell at the lower part of the filtration layers; photocatalyst sieves are coated with nano titanium dioxide catalyst, blocky activated carbon cellucotton is preferably selected as the absorbing material. The air cleaner features simple structure, convenient adaptation and very high purifying rate of volatile organic gas and is mainly applicable to the indoor air pollution control.
Owner:北京道顺国际技术开发有限责任公司

Preparation of waste water treating agent by using active calcium silicate and treatment method for papermaking waste water

The invention provides preparation of a waste water treating agent by using active calcium silicate and a treatment method for papermaking waste water, belonging to the technical field of environment protection. The waste water treating agent comprises, by weight, 60 to 98 parts of active calcium silicate, 0.5 to 40 parts of an inorganic flocculating agent and 0.01 to 0.5 part of an organic polymeric flocculant. The above-mentioned components are blended in a composition modification device so as to prepare the waste water treating agent. The treatment method for papermaking waste water comprises the following steps: adding the treating agent accounting for 0.2 to 2% of the weight of waste water to be treated into the papermaking waste water; stirring the waste water for 5 to 30 min so as to realize adsorption treatment; stopping stirring and carrying out standing for 5 to 30 min; and subjecting the treated waste water to solid-liquid separation, wherein separated water can be used as water for pulping and paper making, and separated solids can be used as a paperboard filling material after purification. According to the invention, an application scope of active calcium silicate is broadened, comprehensive utilization of resources is realized, investment and operation cost of a waste water treatment facility is greatly reduced, and the treatment method is especially applicable to medium-sized and small enterprises.
Owner:DATANG INT HIGH ALUMINA COAL R & D CENT +1

Method for combining soilless culture of strawberry with high-density aquiculture of snakehead

The invention provides a method for combining soilless culture of strawberries with high-density aquiculture of snakeheads and relates to the technical field of agriculture. An organic ecological soilless culture system is established outside a snakehead aquiculture pond, is used for planting strawberries or other fruits and vegetables and is connected with the snakehead aquiculture pond through an underground water circulating pipeline, water in the snakehead aquiculture pond is continuously purified under the purifying effect of soilless culture media, nutrients are provided for the fruits and the vegetables by using the large quantity of snakehead excrement, the culture media are used for purifying aquiculture water, a pond still water aquiculture mode is changed to be a running water aquiculture mode and the cyclic utilization of water resources is realized. Since the water in the pond is continuously purified under the purifying effect of the soilless culture media, the nutrients are provided for the fruits and the vegetables by using the large quantity of snakehead excrement, the culture media are used for purifying aquiculture water, the pond still water aquiculture mode is changed to be the running water aquiculture mode, the pond aquiculture goals of cyclically utilizing the water resources, saving the energy, protecting the environment and achieving sustainable development are realized.
Owner:阜阳市王冰生态农业科技有限公司

Air purifier for indoor ventilation purification and circulation purification

An air purifier for indoor ventilation purification and circulation purification comprises an air purifier box, an outdoor air duct, an outdoor air inlet, a room A return air inlet, an indoor return air inlet, a room A air supply outlet, a mixed-air duct, a fan, a purifier I and a purifier II. The air purifier for the indoor ventilation purification and the circulation purification is characterized in that a room B return air inlet and a room B air supply outlet can be further arranged apart from the room A return air inlet and the room A air supply outlet; the outdoor air duct is connected with the outdoor air inlet, the room A return air inlet and the room B return air inlet are communicated with the indoor return air inlet, one side of the mixed-air duct is connected with the outdoor air inlet and the indoor return air inlet, the other side of the mixed-air duct is connected with one side of the purifier I, the other side of the purifier I is connected with one side of the fan, the other side of the fan is connected with one side of the purifier II, and the other side of the purifier II is connected with the room A return air supply outlet and the room B air supply outlet. The air purifier can be connected to a temperature and humidity regulator, so that the whole indoor air can meet comfort requirements for purification, oxygen enrichment and moderate temperature and humidity.
Owner:于学库

Antibiotic-free feed for fattening pigs and preparation method thereof

The invention discloses an antibiotic-free feed for fattening pigs, belonging to the technical field of feeds. The antibiotic-free feed comprises a feed used during a fattening period and a feed used before slaughter, wherein the feed used during the fattening period is prepared from the following materials by weight percent: 54-58 percent of corn, 17-19 percent of soybean meal, 10-14 percent of wheat germ, 8-10 percent of wheat middling, 1 percent of composite additive, 3 percent of premixed materials and 1 percent of trace elements; and the feed used before slaughter is the feed used during the fattening period without adding the trace elements. By adopting the feed, the application of antibiotics can be avoided, the metal level in the produced pork is greatly reduced, the meat color score is improved by 14.55 percent, the marbling score is improved by 9.09 percent, the fat content in muscle is improved by 21.05 percent, and the rate of water loss is reduced by 32.98 percent. By using the feed provided in the invention, the daily gain and the survival rate of the fattening pigs are significantly increased, the feed conversion ratio is reduced, the body weight for slaughter is increased, and feeding days and age in days for slaughter are significantly reduced. In addition, the preparation method disclosed in the invention is simple, and the production cost is low.
Owner:曲靖龙源农牧科技发展有限公司

Negative oxygen ion functional coating, as well as preparation method and application

The invention discloses a negative oxygen ion functional coating, a preparation method and an application, comprising 3 to 5 parts of tourmaline powder, 1 to 3 parts of graphene oxide, 1 to 2 parts of nano-titanium oxide, 15 to 20 parts of gypsum powder, and diatom powder 30-50 parts of at least one of clay or montmorillonite, and 10-20 parts of at least one of styrene-acrylic emulsion, pure benzene emulsion or water-based polyurethane. The preparation process of the paint raw material of the present invention is simple, and only needs to be pulverized and ground to a specified fineness; the painting process is simple, and no large-scale engineering construction equipment is required; while improving the durability and decoration of the expanded perlite external wall insulation board, it also It can release negative oxygen ions, play the ecological effects of haze reduction, sterilization and air purification, etc., and enrich the performance of the external wall insulation board material; it is prepared into a water-based paint, which has green environmental protection and energy-saving effects compared with traditional oil-based paints; the present invention The produced coating releases a negative oxygen ion concentration of 6000Ions/cm within 14 days 3 above.
Owner:ANHUI MINGYUAN NEW BUILDING MATERIAL TECH CO LTD

Composite culturing device and method suitable for urban household

The invention discloses a composite culturing device and method suitable for an urban household.The culturing device comprises a fishpond and a soilless cultivation plantation bed located above the fishpond; an inclined plane and a containing cavity are formed in the fishpond, and a connecting pipe, a pump, an output pipe and a water return pipe are connected between the containing cavity and the soilless cultivation plantation bed; an overflow opening is formed in the upper edge of the soilless cultivation plantation bed, and the inner diameter of the water return pipe is smaller than that of the output pipe; cover plates are arranged on the soilless cultivation plantation bed in a covering mode; solar panels are arranged on the cover plates, the outer surface of the fishpond and the outer surface of the soilless cultivation plantation bed, the solar panels are connected with an accumulator, and the accumulator is connected to the pump through a controller.The culturing method comprises the steps that water in the fishpond is pumped into the soilless cultivation plantation bed through the pump, and water is purified in the soilless cultivation plantation bed and flows back into the fishpond.According to the composite culturing device and method suitable for the urban household, residual bait and excrement of aquatic animals are decomposed through water circulation and microorganisms, nutrient is provided for plants, and the water flowing back into the fishpond is purified through plant root systems and the action of the microorganisms.
Owner:GUANGDONG FOOD & DRUG VOCATIONAL COLLEGE

Device and method for molten iron ultrasonic treatment on industrial casting site

PendingCN107447163APlay a role in removing slagPurifyProcess efficiency improvementProduction lineBatch processing
The invention provides a device and method for molten iron ultrasonic treatment on an industrial casting site. The device is composed of a smelting device, a nodulizing ladle, a transferring device, an ultrasonic treatment device and a pouring device. Furnace burden is smelted through a smelting device, molten iron obtained after nodulizing is obtained in the nodulizing ladle by means of the nodulizing process. The nodulizing ladle is transferred to the position below the ultrasonic treatment device through the transferring device, the ultrasonic treatment device downwards move to enable an ultrasonic treatment device probe to go deep into the position 30 mm to 500 mm below the liquid face of melt in the nodulizing ladle for conducing ultrasonic treatment device on the molten iron, ultrasonic technological parameters are adjusted, cavitation bubbles will be generated in the metal melt, and the stirring effect is achieved. Meanwhile, crystal nucleuses are formed nearby the cavitation bubbles, and therefore the texture is refined. By means of the method and device, in cooperation with the actual conditions on the industrial casting site, ultrasonic treatment is applied to a production line more conveniently and quickly, batch processing is facilitated, and the excellent nodular cast iron mechanical property is obtained.
Owner:DALIAN UNIV OF TECH +1

Air purifier

The invention discloses an air purifier, and belongs to the technical field of air purification devices. The air purifier comprises a box base provided with an accommodating cavity, a fan, a printed circuit board, a high energy ion generator, an ion tube provided with an inner electrode and an outer electrode, a power plug, a power switch, and a box cover; one end of the box base is fixed with a first side cover, and the other end of the box base is fixed with a second side cover; air inlets communicated with the accommodating cavity are distributed on the second side cover; the fan is arranged at one end of the accommodating cavity; the printed circuit board is fixed at the other end of the accommodating cavity; the high energy ion generator is arranged on the printed circuit board and is electrically connected with the printed circuit board; the ion tube is arranged on the high energy ion generator; the inner electrode is electrically connected with an output positive pole of the high energy ion generator; the outer electrode is electrically connected with the printed circuit board; the power plug and the power switch are fixed on the box base and are electrically connected withthe printed circuit board; the box cover is matched with the box base, and is provided with air outlets communicated with the accommodating cavity; and the printed circuit board is electrically connected with the fan. The air purifier has the advantages of convenience in use, low price, contribution to guaranteeing human health, energy conservation and simple structure.
Owner:苏州领锋环境科技有限公司

Method and device for utilizing catalyst in ethylidene norbornene isosynthesis technology

The invention relates to a method and device for utilizing catalyst in the ethylidene norbornene isosynthesis technology, and provides the method for utilizing the catalyst in the ethylidene norbornene isosynthesis technology. The method comprises the steps that a multi-level stirring reaction kettle set is composed of two or more stirring reaction kettles connected in series; fresh vinyl norbornene raw materials continuously enter a reaction system to be reacted through the first-level stirring reaction kettle in the multi-level stirring reaction kettle set, the obtained ethylidene norbornene passes through grading whirlcones arranged among the multiple levels of stirring reaction kettles in the multi-level stirring reaction kettle set, liquid and solid separation is carried out on the obtained ethylidene norbornene , and then continuous discharging is carried out through the last-level stirring reaction kettle in the multi-level stirring reaction kettle set; the fresh catalyst continuously enters the reaction system through the last-level stirring reaction kettle to be involved in the reaction and enters the grading whirlcones arranged among the multiple levels of stirring reaction kettles in the multi-level stirring reaction kettle set, liquid and solid separation is carried out on the fresh catalyst, and then the fresh catalyst is discharged out of the first-level stirring reaction kettle.
Owner:SHANGHAI HUACHANG ENVIRONMENT PROTECTION

Boiler flue gas purifying and heat exchanging device and application method thereof

The invention relates to a boiler flue gas purifying and heat exchanging device. The boiler flue gas purifying and heat exchanging device comprises a boiler, a flue gas purifying chamber, a first heat exchanger, a second heat exchanger and a reverse osmosis membrane set, wherein the boiler is communicated with a flue inlet in the flue gas purifying chamber through a flue gas pipeline, a flue gas outlet in the flue gas purifying chamber is communicated with the second heat exchanger, a liquid outlet in the flue gas purifying chamber is communicated with the first heat exchanger, the first heat exchanger is communicated with the reverse osmosis membrane set, and the reverse osmosis membrane set is communicated with a liquid inlet in the flue gas purifying chamber; the flue gas purifying chamber comprises a casing, a flue inlet pipe, a DC power supply, a negative electrode, a positive electrode, an activated carbon layer and a flue exhausting pipe; circulation liquid is stored in the casing; a coil pipe is arranged on the first heat exchanger, a heat exchanging flue pipe is arranged on the second heat exchanger, and an outlet in the heat exchanging flue pipe is communicated with a chimney. According to the boiler flue gas purifying and heat exchanging device disclosed by the invention, when flue gas is purified through the flue gas purifying chamber, the circulation liquid in the flue gas purifying chamber directly performs heat exchange with the flue gas; the circulation liquid is in direct contact with the flue gas, so that the heat exchanging efficiency is high, and the heat loss is low.
Owner:JIANGSU JINYUAN TENGFENG HEAT EXCHANGE EQUIP CO LTD

Damp-proof mildew-proof wall used for building

The invention discloses a damp-proof mildew-proof wall used for a building. The wall comprises a wall basic body, a negative ion coating, an inner wall wallboard and an air layer A are sequentially arranged from outside to inside on the right side of the wall basic body, a heat-preservation layer, an anti-crack adhering layer, a damp-proof layer, an air layer B and a veneer are arranged from inside to outside on the left side of the wall basic body, the upper side and the lower side of the air layer are connected with a circulating pipeline, the part, on the lower side of the air layer, of thecirculating pipe is provided with a temperature gauge used for measuring gas temperature in the circulating pipeline, a heater is further arranged on the circulating pipeline and used for heating gasin the circulating pipeline, the heater is further connected with an air inlet pipe which is communicated with the circulating pipeline, the air inlet pipeline is provided with an air pump A, the part, on the upper side of the air layer, of the circulating pipe is provided with an air pump B, and a pressure gauge is arranged on the circulating pipeline and used for measuring pressure in the circulating pipe. The wall can realize dehumidification and mildew prevention and can be protected, and meanwhile indoor air can be purified.
Owner:SICHUAN SANYANG STEEL STRUCTURE

Tantalum ring and preparation method thereof, sputtering device comprising tantalum ring and application thereof

The invention provides a tantalum ring and a preparation method thereof, a sputtering device comprising the tantalum ring and an application thereof. The tantalum ring comprises a ring part and patterns arranged on the surface of the ring part, and the patterns are in a conical pit shape, the conical pit-shaped patterns have a large specific surface area, when the conical pit-shaped patterns are applied to a sputtering process, a large amount of sputtering source can be attached on the conical pit-shaped patterns, and a better adhesion force is provided; in addition, the patterns present a conical pit shape, the tops of the conical pits face the interior of the ring part, the bottoms of every two adjacent conical pits are connected, a plane-shaped structure is presented but not a structurewith a pointed end, therefore, the phenomenon of point discharge occurring in a power-on process can be avoided, so that the service life of the tantalum ring is prolonged. The preparation method ofthe tantalum ring is simple, only the knurling treatment is needed, surface sharpening treatment is not needed, and it is ensured that on the premise that the obtained tantalum ring has better adsorption power and adsorption capacity on the sputtering source, and the situation of the point discharge is avoided as well.
Owner:KONFOONG MATERIALS INTERNATIONAL CO LTD
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