75results about How to "Change pollution" patented technology

The invention discloses a solar-grade silicon wafer being cut by a diamond wire and a cutting method thereof. A mono-crystalline silicon square rod is cut by a diamond wire. The cutting method comprises the following steps that: the mono-crystalline silicon square rod which is formed by squaring, grinding and sharpening a mono-crystalline silicon circular rod, the mono-crystalline silicon square rod is fixed on a resin strip through an adhesive bar, the resin strip is fixed on an adhesive plate, then the adhesive plate and the mono-crystalline silicon square rod are collectively placed into a working cabin to be preheated, cutting liquid is circulated in the working cabin to work, then the diamond cutting is performed, the cut mono-crystalline silicon wafer is inversely arranged on a degumming device to degum, and the mono-crystalline silicon wafer is washed by ultrasonic and then is centrifugally dehydrated. Due to the adoption of the cutting method, the photoelectric conversion efficiency and the cutting efficiency of the mono-crystalline silicon wafer can be improved, a silicon wafer with the thickness of 140 to 200 micrometers can be produced, the qualification rate of the product can reach more than 98 percent; and silicon powder is recyclable, so valuable silicon resource can be saved, and the environment-friendly production can be really realized during the production process.

The invention relates to a two-section rotation oxygen-enrichment external heating oxidation technology and device for dry-method and semi-dry method desulfurized ash. A two-section type rotation oxidation kiln is adopted, oxygen is introduced into the kiln and heating is implemented by adopting an external heating furnace, so that the oxidizing process for converting CaSO3 in the desulfurized ash into CaSO4 is completed. Compared with the prior art, the technology and the device have the benefits as follows: (1), during the oxidation of the desulfurized ash in the oxidation kiln, stable oxidation time, balanced oxidation temperature, sufficient oxygen content and appropriate oxidation atmosphere are realized, the technical measures such as automatic control, surplus heat utilization, dust removal and environment protection are adopted, so that the low-cost oxidation and industrialized production are realized; (2), the provided systematic desulfurized ash oxidation production line is suitable for the industrialized and large-scale production requirements; (3), the processing parameters such as oxidation temperature, time and oxygen content are controlled through a PC (Personal Computer), so that the appropriate oxidation conditions are ensured; (4), the promotion of the development of a dry-method and semi-dry method desulfuration technology is facilitated; (5), the resource utilization of the desulfurized ash is realized, and the energy conservation, emission reduction and environment protection are facilitated.

The invention discloses composite alkali-activating low-carbon cement and a preparation method of the low-carbon cement, and belongs to the field of construction materials. According to the invention, fly ash and slag are taken as raw materials, sodium hydroxide and water glass are taken as alkali-activating agents, natural zeolite is taken as a nucleating agent and lime is taken as an adjustable solidification agent, and the low-carbon cement has good performance in a measurement system. The low-carbon cement is produced by mixing industrial solid wastes such as slag and fly ash, the alkali-activating agents, the nucleating agent and the adjustable solidification agent based on a certain proportion. The low-carbon cement and the preparation method have the advantages that the raw materials are not needed to exploit or char, the preparation process is simple, the energy consumption is low, the cost is low, the market is wide, the situations that in the production process of the traditional cement a lot of dust is generated and the carbon dioxide emission amount is large are fundamentally changed, and the industrial solid wastes can be fully used, so that the cement is a real clean and environment-friendly construction material, and a binding material with the most development potential in the twenty-first century.

The invention relates to the field of seaweed chemical industry, and specifically provides an enzymolysis-chemistry combined method for producing sodium alginate. The method comprises steps of: mixing pretreated alga and compound enzyme at 45-60 DEG C and a pH of 4.5-6.5, reacting for 13-26 h, carrying out an enzymolysis, filtering and converting the filtrate to obtain sodium alginate; and addingalkali liquor in the precipitate after the enzymolysis, reacting for 2-4 h at 50-80 DEG C, calcifying a filtrate after filtering, and adding sodium carbonate into calcified precipitate to convert into sodium alginate. The method of the invention can fundamentally solve drawbacks of high energy consumption and high pollution of a traditional production technology. According to one ton of sodium alginate and iodine coproduct produced by the enzymolysis-chemistry combined method of the invention, fresh water for production is reduced by 38%, and coal is reduced by 23%, and soda acid waste water generated is reduced by 52% less; and the method can increase yield by 9-11% compared with a conventional chemical production technology.

The present invention discloses one kind of composite board and its making process. The composite board is made with waste plastic, plant fiber, calcium carbonate, polyethylene wax and other material, and through plasticizing, mixing and extruding in a plastic extruding machine, and pressure forming in a large hydraulic press. It has low production cost, environment friendship, high moisture resistance and high fire-proofing performance, and may be applied in furniture, packing box, building shuttering, indoor decorating, etc.

The invention discloses a water ecology restoration device and relates to the technical field of ecological restoration. The water ecology restoration device comprises a floating plate, two floating airbags are respectively fixedly connected to two bottom sides of the floating plate, a restoration box is fixedly connected to the bottom of the floating plate through connecting blocks, a liquid medicinal case is fixedly connected to the right side of the top of the floating plate, a quantitative control unit is fixedly connected to the top of the liquid medicinal case, a fixing box is fixedly connected to the left side of the top of the floating plate, a waterproof jacket is fixedly connected to the middle of the top of the floating plate, a first motor is fixedly connected to the top of theinner wall of the waterproof jacket, and the output shaft of the first motor penetrates the floating plate to extend to the bottom of the floating plate. By the arrangement, problems that an existingwater restoration device is slow in water restoration and poor in restoration effect are solved, water restoration capability is improved, pollution to water is fundamentally solved, and continuous deterioration of ecological environment is avoided.

A universal water-turbine engine pertains to an impact water-turbine engine which converts pressure energy of current to kinetic energy and converts the kinetic energy to rotating mechanical energy in the hydraulic machinery; the water-turbine engine consists of a or a plurality of jet orifices, a device corresponding to the jet orifices, a or a plurality of turning wheels arranged on a main axis for the universal water-turbine engine, a tailrace arranged under the turning wheel, a speed governor, a driving device and other parts. The water-turbine engine can develop and exploit all waterpower resources and has high efficiency, large capacity, safe and reliable performance, simple and reasonable structure as well as low manufacturing cost; the application of the water-turbine engine significantly promotes the current development and exploitation of the waterpower resource, thus being capable of marking a new epoch of rapid development of the hydroelectric power industry.

The present invention discloses a lignin alcohol ether carboxylate novel surfactant preparation method. 100 weight proportions of lignin alcohol ether and base catalyst with 1 to 1.2 times of the weight proportions of the lignin alcohol ether react for 30 to 60 minutes under 90 to 110 DEG C; low-boiling substance is removed by decompressing under subtractive 0.1MP; halogenated acid with the substance quantity of 1.2 to 1.5 times of the lignin alcohol ether is added to react for 4 to 8 hours to obtain the lignin alcohol ether carboxylate. In the reaction steps, the lignin alcohol ether is prepared by self; the halogenated acid can be any one of 2-chloropropionic acid, chloroacetic acid, 2-bromo propionate or bromoacetic acid; the base catalyst is KOH or NaOH. In the characterization of the lignin alcohol ether carboxylate, foam performance water hardness is 150 multiplied by 10<subtractive 6>ppm as being measured by a Rockwell latherometer; sample content is 0.25 percent under 40 DEG C, the foam height is measured as the start height of 150mm; the foam height is 130mm after 5 minutes; when surface tension (delta) sample contents are 0.01 percent and 0.05 percent respectively, the surface tensions are respectively 57.2mN/m and 51.2mN/m; critical micelle concentration (CMC) measured value is 5.0g/L.

Up to now, the perfect treatment of amino acid fermenting effluent has become the key for amino acid producing enterprise to develop, and the present invention is one perfect technological process of treating amino acid fermenting effluent. The technological process includes the main steps of concentrating, spraying slurry to pelletize, washing and dedusting, electrostatic treating, biochemical treating, etc. and converts the fermented effluent into valuable compound fertilizer, clean water and gas. For the first time, the technological process adopts a sweeping, catching and vapor chromatography-mass spectrometry method for determining the components of pelletizing tail gas identified as aerosol; develops electrostatic technology and apparatus for treating the slurry spraying second pelletizing tail gas; and develops the electrostatic treatment to enrich high concentration organic effluent.

The invention provides an ionic compound solution and a preparation method thereof. The method comprises the following steps: mixing a compound as shown in a formula I which is described in the specification with alcohol and/or water; and introducing acidic gas so as to obtain the ionic compound solution; wherein, in the formula, R1, R2, R3 and R4 are independently selected from C1-C8 straight-chain or branched-chain alkyl groups, and R1 and R2 and/or R3 and R4 are optionally bonded to form a ring. The invention also provides a method for dissolving biomass with the prepared ionic compound solution. The ionic compound solution is applicable to purification of cellulose and further transformation and utilization of cellulose, hemicellulose and lignin. Due to usage of cheap raw materials and easy recycling of the solution, the method is a promising biomass dissolving and degrading method.

The invention discloses an enhanced foam system based on the graphite particle synergistic stability, and a preparation method thereof, which belong to the technical field of oil-gas field developmentengineering. The enhanced foam system based on the graphite particle synergistic stability is prepared from the following components in percentage by mass concentration: 0.3 to 1 percent of anionic surface active agent, 0.2 to 1 percent of cationic surface active agent, 0.5 to 1 percent of graphite particle, and the balance of solvent supplementing to 100 percent. The anionic surface active agentis hexadecyl trimethyl ammonium bromide. The enhanced foam system provided by the invention is simple in preparation process, can be quickly prepared in a large scale, and is suitable for a foam system applied to an oil and gas well, is capable of remarkably improving the recovery ratio, and is environmentally friendly.

The invention discloses an in-situ multi-medium purification system with a self-rotation partial-pressure water distributor. The in-situ multi-medium purification system comprises a counter-flow outer drum, a drainage inner drum, a vortex unit and an aeration plate. A micro-nano bubble releaser is arranged above the aeration plate, and a biological reaction membrane filler area is arranged above the micro-nano bubble releaser. The self-rotation water distributor is arranged in a top opening end of the drainage inner drum, the middle upper portion of the drainage inner drum and the self-rotation water distributor are arranged in the counter-flow outer drum with the upper end closed and the lower end open, a filler area is arranged between the upper portion of the drainage inner drum and the counter-flow outer drum, a plurality of far-end drainage pipes are arranged on the lower portion of the drainage inner drum, and an in-situ water inlet is formed in an opening position of the lower end of the drainage inner drum. The in-situ multi-medium purification system integrates the functions of oxygen enrichment, vertical convection, horizontal displacement drainage, energy conservation and consumption reduction of water bodies, and is an ecological restoration system for in-situ water bodies of large lakes, reservoirs and ponds. Compared with the prior art, the in-situ multi-medium purification system has the advantages that the in-situ multi-medium purification system is capable of achieving large-range aeration and clearing dead angles of the water bodies and wide in flow pushing and perturbance range.

The invention discloses a rapid treatment process for middle-small sewage source which comprising the waste water is treated through the procedures conducted in grid pool, balanced aeration tank, regulating reservoir, reaction tank, flocculation tank, coagulation tank, aerobic tank, anaerobic tank, liquid-solid separation tank, combined type filtration tower / sedimentation tank, and clarifying tank. The invention discloses an integrated effluent fast treatment station which integrates each tanks into one integral portion, each tanks are connected in sequence and are provided with sludge collection buckets on the bottoms, each sludge collection bucket is provided with a mud discharging pipe on the bottom, the mud discharging pipe is provided with a pump.

The invention relates to a multifunctional wind driven gas storage generator device and a working method thereof. The multifunctional wind driven gas storage generator device is characterized by including gas storage tanks and at least one set of inflation pipelines connected to the input ends of the gas storage tanks. The inflation pipelines include windmills, inflation equipment driven by the windmills for inflation and check valves. The first output ends of the gas storage tanks are connected with an aerodynamic machine and a generator driven by the aerodynamic machine to work. The wind driven gas storage method is creatively adopted to perform inflation and energy storage on the gas storage tanks, the aerodynamic machine is driven to smoothly generate electricity to a generator on theground, the purpose of grid-connected power generation is realized, the cooperation use of wind power generation and storage batteries is completely solved, the problem of pollution caused by later scrapping of storage batteries for wind power generation is creatively solved, and meanwhile, the cost and installation cost of wind driven generators are greatly reduced.

The invention relates to a new copper smelting process. It comprises following steps: grinding clean copper ore in ore grinding machine to 200- 400 order, separaing out three strains through weight selection in shaker: copper fine powder with copper content being above 90%, medium class ore, and tailings; dewatering copper fine powder and feed it into smelter for smelting; refluxing medium class copper into grinding machine; and tailings for flotation, flotating out copper fine powder with copper content being above 90%, dewater fine copper powder and feeding it into smelter for smelting; electrolyzing got coarse copper and getting fine copper product. The invention overcomes problems of severe air pollution, high energy consumption, high production cost, bad product quality, low total product recovery rate for traditional copper smelting. The invention concentrates on ore selection, reduces usage of smelting-furnace with high energy consumption, increases product recovery rate and greatly reduces production cost.

The invention relates to a modifying agent for a fire extinguishing agent and a modified plant fire extinguishing agent comprising the modifying agent. The modifying agent for the fire extinguishing agent comprises wild pepper, persimmon husks, orange peels, eggplant trees, sugar beet pulp and activated water. The modified plant fire extinguishing agent comprises a plant compound flame retardant active agent, plant slag/ash water and the modifying agent for the fire extinguishing agent. According to the modified plant fire extinguishing agent, various types of plants and fruits are added, that is, vegetable proteins, pectin, tannin-rich polyhydroxy compounds, lignin and an anti-burning substance of different sources are added, a great role is brought into play on fire extinguishing and burning prevention, a gel film has good sealing capacity, and the obtained flame retardant and fire extinguishing capacities are extremely high and beyond what existing fire extinguishing agents can reach.

The invention provides an urban waterborne electric railroad traffic network which is mainly used for modern urban public transportation, is the supplementary of urban transportation, can solve the problem of urban traffic congestion, and meets the function demand for quickly dispersing crowds. The urban waterborne electric railroad traffic network is characterized in that first, a waterborne city surrounding electric railroad rack is designed, an existing moat is fully utilized, the limit of the single flood resistance and waterlogging prevention effect of the moat is broken, and multifunctional purposes of the moat are achieved; second, a non-sunk type large buoyancy boat is designed, the non-sunk type large buoyancy boat is far away from people and high-speed vehicles, the safety coefficients are improved, and novel traffic tools which are better, faster and more economically are achieved; third, an electric efficient propulsion propeller is designed, the grade of local environmental protection and energy saving is improved, the urban environment is improved, compared with an automobile, energy is saved by 2/3, the environment noise is smaller than 50 dB, the urban habitable conditions are improved, and tourism and sightseeing scenes are increased. The urban waterborne electric railroad traffic network has the advantages that the investment is little, the effect is achieved quickly, the investment is 8% of that of light rails, more people can be carried, the speed is high, a destination can be reached when a vehicle is started, the time is guaranteed, energy is truly saved, pollution is avoided, the effect is good, and return benefits are big.

The invention discloses a dust detection cleaning device. The device is provided with a machine, a detection device and a cleaning device are arranged on the machine in parallel; and a module transmission device is arranged between the detection device and the cleaning device; the detection device comprises a module transferring mechanism, a module moving mechanism, a location detection module, adust detection mechanism and a module bearing mechanism; the module transferring mechanism and the module bearing mechanism are arranged in parallel; the dust detection mechanism is arranged at one side of the module bearing mechanism; the module moving mechanism is vertically arranged above the module transferring module and the module bearing mechanism; the location detection module is arrangedon the module moving mechanism; the cleaning device comprises a dust removing device, the dust removing device and the module moving mechanism are arranged in parallel; the detection device, the cleaning device and the module transmission device are controlled through a central control device. The cleaning device disclosed by the invention has the advantages of being full-automatic in online dry cleaning and targeted fixed-point cleaning, low in water consumption, low in pollution and low in production cost.

The invention discloses a buoyancy kinetic energy power generation device. The buoyancy kinetic energy power generation device is characterized by comprising a buoyancy kinetic energy generation device, a buoyancy kinetic energy amplification and synergism device, a kinetic energy transmission device and a bidirectional integrated kinetic energy integration and slow release device. By means of thebuoyancy kinetic energy power generation device, the kinetic energy of the water flow is converted into longitudinal stable and controllable buoyancy kinetic energy to drive the device to drive a generator to generate electricity by virtue of the constant current of the mountain range drop or the general drop water level of the river, and the device can also directly utilize the natural fluctuation of the ocean to generate electricity. The power generation mode is wide in resource distribution area, can be implemented by many different modes, can generate power without interruption and energystorage equipment, is not influenced by area, time and weather, and is stable in productivity, high in energy efficiency and long in service life; and related components can be prefabricated in a factory mode, and the construction is simple and the cost is low. The buoyancy kinetic energy power generation device has practical implementation and application values and many different implementationmodes; and according to the device, fuel consumption is not needed, the environment is not affected with zero emission, the electric energy requirement urgently needed by development can be effectively met, and the pollution of combustion emission to the human environment at present can be changed.

The invention provides a directional reflective ceramic wafer. The ceramic wafer comprises a ceramic wafer body, wherein slopes are arranged on the periphery of the top surface of the ceramic wafer body; uniformly distributed silver-aluminium-plated glass microspheres (which are transparent and have high refractive index) are connected with the slopes of a pair of sides of the top surface of the ceramic wafer body via adhesive layers; and the thickness of the ceramic wafer body is 7.5-12-15mm. The ceramic wafer has the following advantages: the glass microspheres are adhered to the ceramic wafer body through the adhesive layers and cannot fall off easily; the elevation structure of the ceramic wafer can well reflect light in rainy days; reflectors in right angle concave holes still can have good reflecting effects when other reflective layers cannot reflect light; the ceramic wafer is 6mm higher than a road surface and the height is reduced, thus reducing jolt and the destruction ratio; inclined plane on the periphery form slopes, thus preventing the raised ceramic road signs from being shoved during snow shovelling and prolonging the life of the ceramic wafer; drivers can see a light band formed by reflective spots 100-200m away in rainy and foggy nights by virtue of the high-strength silver-aluminium plated glass microspheres and cat eyes; and heat absorbed by a wall surface can be reduced when the directional reflective ceramic wafer is used as external tile.

The invention provides a powder coating for a low-temperature solidified wine bottle and a preparation method thereof, and belongs to the technical field of coatings. The preparation method comprises the following steps: mixing a bisphenol-A epoxy resin curing agent, a flatting agent, a defoaming agent, nano-grade silicon dioxide, an amide charging additive 519, a pigment and a filler at a high speed; extruding by virtue of a screw extruder; carrying out graded grinding on the extruded semi-finished product by virtue of an ACM grinding mill; and screening through a 160-180-mesh screen. According to the method, low-temperature solidified food-grade powder is coated, the powder coating is molten and solidified on the surface of a wine bottle, and the powder falling in the melting process can be recycled, so that the problem of traditional liquid coating waste can be solved; the used raw materials are environment-friendly and odorless, so that the working environment of operators can be greatly improved, and the potential hazards of occupational diseases can be reduced; and once coating of the powder coating can be 30-300mm, so that the production cost can be reduced, and the working efficiency can be improved. The powder coating is a novel environment-friendly pollution-free product.

The invention relates to a method for converting waste flue gases into gases similar to air. Specifically, flame accelerator A and flame accelerator B and water are poured into a mixer proportionally and then imported into a flue gas mixing tank from the exit of a draught fan. And the mixture of a flame accelerator solution and flue gases enters the lower layer of a device for converting waste flue gases into gases similar to air through a smoke inlet pipe. With the heat of flue gases themselves, the flame accelerator solution in the device is evaporated and gasified into a volatile gas which is then mixed with flue gases for a reaction. In the reaction, sulfur dioxide, nitrogen oxide and carbon dioxide of the flue gases are absorbed, floating dusts in the flue gases are condensed, and oxygen is generated under excitation. Then the mixture of gases enters the upper layer of the device. With most of reaction products and water removed by sedimentation, gases similar to air come into being. The method of the invention thoroughly makes changes to environmental pollution caused by massive flue gas discharge of traditional combustion modes, so that massive discharge of flue gases can be avoided.

The invention discloses a method for cooling yellow phosphorus furnace slags by air quenching, which comprises the following steps: carrying out primary cooling on high-temperature furnace slags discharged from a phosphorus furnace, controlling the temperature of outlet air at 600-900 DEG C, taking two-stage cooling air cooled two times as cooling air, and carrying out secondary cooling on the cooling slags so as to further cool the cooled slags, wherein materials in a secondary cooling mode are in a semi-molten state, the temperature of the materials is about 800-1100 DEG C, the secondary cooling is implemented in two stages, the temperature of a first-stage cooling air is controlled at 600-900 DEG C, hot air cooled in the same time is conveyed to a boiler to generate steam, the temperature of a second-stage cooling air is controlled at 200-400 DEG C, the temperature of the materials at a secondary cooling outlet is 65-100 DEG C, and the cooled furnace slags are conveyed to downstream places. According to the invention, water resources are saved, the energy consumption and the labor cost are relatively reduced, and the production cost of yellow phosphorus is greatly reduced.

The invention relates to a warp sizing method which comprises the following steps: step one, blending polysaccharide substances into a slurry at room temperature or medium temperature; step two, stirring and mixing evenly the slurry and polyacrylic acid in a room temperature or medium temperature slurry conditioning barrel to obtain a slurry; and step three, under the condition of room temperature or medium temperature, sizing warps with the slurry by a sizing machine. The method does not adopt PVA (polyvinyl alcohol), reduces the yarn sizing cost, also brings great convenience to next-step printing dyeing desizing, reduces desizing wastewater emissions, reduces a weaving workshop dust problem, allows workshop hygiene to be improved, greatly reduces the worker inhalation of PM2.5, and is conducive to environmental protection and operator body health; the slurry steam consumption is reduced, and energy consumption is reduced; the method completely abandons the status of use of a large number of grain starch in traditional sizing and is conducive to grain supply security; in short, the method has the advantages of energy saving, no use of PVA, reduction of dust falling, and easy desizing.

The invention discloses a boiler and particularly discloses a gas-and-solid-fired environment-friendly industrial boiler comprising a vertical boiler body. The boiler body is in a membrane wall structure. The inside of the boiler body is n-shaped. The boiler body is provided with a gas burner and a solid burner. The gas burner is located above the solid burner. A hearth forms an uptake flue which is communicated with a horizontal flue at the top of the boiler body. A convection tube bundle is disposed in the horizontal flue. A down-take flue is arranged at the rear of the boiler body and is communicated with the horizontal flue. An economizer and an air preheater are sequentially disposed on the down-take flue. The boiler body is provided with the gas burner and the solid burner both communicated with the hearth, so that boiler pollutant emission under low concentration is achieved by burning solid fuels such as coal and biomass and gases such as natural gas and liquefied gas, and the situations of severe pollution emission and difficulty in control are changed for the traditional industrial boiler.

The invention discloses a floor sweeping and mopping integrated robot. The robot comprises a shell, a main control unit, a motor, a battery, a front cleaning roller, a rear cleaning roller, a garbage collection box, a signal detection assembly, a water tank, a water pump, a nozzle, an upper cover, a side cover and a driving wheel. The main control unit is provided with a signal transmitting device and a signal receiving device. The signal detection assembly is used for acquiring a collision signal and a visual signal. The signal detection assembly transmits collected signals to the main control unit, the main control unit drives the motor to rotate and drives a gear set and the driving wheel to rotate, the whole machine automatically adjusts the motion trail, collision is avoided, floor cleaning work is automatically completed in a room, a ground water spraying assembly comprises a water tank, a water pump and a nozzle, and the nozzle is located at the front end of the shell and performs water spraying humidification for ground. The front cleaning roller and the rear cleaning roller rotate in opposite directions, and garbage cleaned on the ground is thrown into the garbage collection box while the front cleaning roller and the rear cleaning roller rotate.