54results about How to "Solve harmless disposal" patented technology

The invention aims to provide a municipal solid waste harmless treatment method. The purposes of harmless treatment of municipal solid waste and recycling of waste can be achieved effectively. According to the technical scheme, the municipal solid waste harmless treatment method comprises the following steps of (1) waste collection, (2) thermal pyrolysis, (3) waste heat utilization, (4) smoke treatment, (5) ash treatment, (6) fly ash treatment and (7) percolate treatment. The method is unique and scientific, saves energy, reduces emission, effectively achieves harmless treatment of municipal solid waste and is extremely great in economic and social benefits.

The invention discloses gas field produced wastewater reduction and harmless treatment methods. According to the methods, water is separated from gas field produced wastewater with a desalting process, concentrated gas field produced water is formed, and the volume of the gas field produced water is reduced; meanwhile, the invention also discloses a further concentrated gas field produced wastewater harmless treatment method. With the adoption of the treatment method, defects in existing gas field produced wastewater treatment methods are overcome, the problem of harmless treatment on the gas field produced wastewater can be effectively solved, the problem of pollution environment caused by the gas field produced wastewater can be effectively solved, gas production aids and useful substances in the gas field produced wastewater can be effectively recovered, the cost and the energy consumption for recovery of the gas production aids and useful substances from the gas field produced wastewater can be greatly reduced, and the transportation volume, the transportation cost and the treatment energy consumption and expense of the gas field produced wastewater can be greatly reduced; the method has the advantages of being easy to implement, safe, reliable, wide in application, easy to popularize and the like; the economic benefit and the environmental protection benefit are remarkable.

The invention discloses resourceful treatment system and treatment method of aluminum ashes, and aims at solving the technical problems that the aluminum ashes in the prior art are low in recovery rate, complicated in process, and easy to pollute environment. The system comprises an aluminum ash separation unit, a burdening unit, a molding unit and a baking unit. The method comprises the following steps: adding hot aluminum ashes to a hot aluminum ash separator; separating out metallic aluminum and low-aluminum ashes; evenly mixing and stirring the obtained low-aluminum ashes and a binder according to the mass ratio of 10:1 to 10:2; pressing the mixed materials into an anode steel claw protection ring blank and demolding; sintering and sizing the obtained anode steel claw protection ring blank and then obtaining an anode steel claw protection ring. By adopting the resourceful treatment system and treatment method, integrated treatment of the aluminum ashes can be achieved, the treating processes of the aluminum ashes are simplified, the resourceful treatment system and treatment method are simple and convenient to operate, energy-saving and environmentally friendly, waste emission can be greatly reduced, regeneration and cyclic utilization of resources are fully achieved, and the problem of innocent treatment of the aluminum ashes is solved.

The invention provides application of biological floc to harmless treatment of sludge, organic bacterium fertilizer and a preparation method thereof. The formula of the organic bacterium fertilizer is prepared from the following raw materials: sludge, the biological floc and zymophyte, wherein the biological floc comprises composted straw powder, a first microorganism bacterium agent, nitrifying bacteria and denitrifying bacteria; the first microorganism bacterium agent comprises first bacillus subtilis and selective actinomyces; the preparation method comprises the following steps: step (1): composting and fermenting; step (2): turning over and supplementing water; step (3): fermenting again; and step (4): granulating. The biological floc is applied to waste sludge from a municipal sewage treatment plant and the waste sludge is subjected to the harmless treatment to prepare organic fertilizer; stacking, pollution and waste problems of agriculture wastes can be rapidly solved and recycling of resources can also be realized; and the prepared organic bacterium fertilizer also has unexpected fertilizer efficiency.

The invention discloses an environment-friendly animal carcass harmless fermentation treatment machine. The environment-friendly animal carcass harmless fermentation treatment machine comprises front wheels, front roll rings, a machine base, crushing cutters, a feeding door, a screw propelling blade, an electric heating element, an insulating material, rear wheels, rear roll rings, a temperature sensor, discharging push plates, an electric control device, a small gear, a speed reducer, a motor, a large gear, a roller and a discharging port. The front wheels and the rear wheels are arranged on the machine base. The front roll rings are fixed to the front end of the roller, and the rear roll rings are fixed to the rear end of the roller. The crushing cutters are arranged in the roller. The screw propelling blade is arranged behind the crushing cutters. The electric heating element and the insulating material are arranged on the outer surface of the roller. The discharging push plates are arranged in the roller. The large gear is arranged on the outer surface of the rear end of the roller. The temperature sensor is arranged between the large gear and the rear roll rings. The discharging port is formed in the middle position of the rear end face of the roller. The environment-friendly animal carcass harmless fermentation treatment machine has the beneficial effects that the animal carcass harmless treatment effect is good, the occupied area is small, operation is easy, and cost is low.

The invention relates to a combined functional rod-toothed crusher, which comprises a material feeding bucket, a crushing system, a base part and an electric control part, wherein the crushing system comprises a high-speed rod-toothed rotor and a low-speed rod-toothed rotor. The invention is characterized in that a plurality of groups of rotating fly cutters or fixed cutters are arranged on the high-speed rod-toothed rotor, sawtooth-shaped grooves are formed on the back corner surface of the cutter teeth in linear distribution on the low-speed rod-toothed rotor for forming multi-edge cutter teeth, energy storage fly wheels are arranged on the high-speed rod-toothed rotor, and the motor end of the high-speed rod-toothed rotor is also provided with a brake. The invention has the characteristics of reasonable design structure, double-roll differential opposite rotation, high crushing efficiency, high qualification rate of sieved materials and low energy consumption. The problem that the lathe spindle rotation can easily and suddenly stop while turning in the double-toothed roll crushing process in the prior art is solved.

The invention discloses a method for comprehensively treating waste iron oxide desulfurizer and chromium slag so as to solve the problems that the conventional waste iron oxide desulfurizer contains FeS, the treating process is complex, the safety is low, the investment is high, the running expense is high and certain defects are existent in the conventional chromium salt detoxifying method. The method comprises two steps of pre-treating and mixing for reaction. According to the method, the two wastes are skillfully treated by each other and interact with each other to achieve the purpose of treating wastes with wastes; harmless treatment on the waste iron oxide desulfurizer and the chromium slag is effectively achieved while no other additive is used, so that the treatment cost is effectively reduced; the method is simple in process and convenient to operate, and has the characteristics of energy conservation, economy and environmental protection; the method is of important significance for solving the problem of the treatment of the waste iron oxide desulfurizer and the chromium slag, and especially can be used for effectively treating the chromium slag to effectively reduce harm of the chromium slag to the environment.

The invention relates to the technical field of stainless steel smelting and discloses a smelting process of recycling chromium by combined-injection dephosphorizing using stainless steel precipitator dust. The process comprises the following main technical processes: coarsely screening the collected stainless steel precipitator dust; performing seal grinding, drying and passivating on moist caking particles with a ball mill ; feeding the passivated stainless steel precipitator dust and the passivated lime powder to two powder injection system stock bins; and injecting the powder by an injection pipeline of a smelting furnace into the molten steel within a steel ladle for combined-injection dephosphorizing of the molten steel pretreatment. The process can save or replace the dosage of solid materials like oxide scale, efficiently solve the problem of harmful treatment of the stainless steel precipitator dust, recycle chromium from the metal elements in the stainless steel precipitator dust to the molten steel for stainless steel smelting, realize recycling of chromium-containing stainless steel waste, and reduce the production cost. By using the method of the invention, the environment pollution is reduced and the aims of energy conservation and emission reduction are realized.

The invention discloses a method for pretreating waste incineration fly ash before melting. The method comprises the following steps: firstly, mixing fly ash with membrane filtration concentrate of waste leachate and stirring into a muddy mixing body; and secondly, performing extrusion molding on the mud-like mixing body obtained in the first step into a strip-columnar raw material of an electric arc furnace. According to the method disclosed by the invention, the membrane filtration concentrate of the waste leachate and the fly ash are mixed and stirred; and loose fly ash is combined together by using the cohesiveness of the membrane filtration concentrate of the waste leachate and is processed and molded into the strip-columnar raw material of the electric arc furnace, so that the high-efficiency treatment process of the fly ash in a melting furnace can be guaranteed, the difficult problem about harmless treatment of the membrane filtration concentrate of the waste leachate is solved, the measure of using waste to treat waste is realized, and multiple purposes by one method are achieved. The method has the advantages of simple flow, compact structure, small occupied area, less investment, high operation efficiency and the like; and remarkable environmental benefits and economic benefits are obtained.

The invention discloses a baking-free lightweight insulating brick and a preparation method thereof. The insulating brick comprises the following components in percentage by mass: 30-70% of mineral wool wastes, 10-35% of cement, 0-22% of fly ash and 5-10% of water. The preparation method comprises the following steps: burdening, namely preparing the mineral wool wastes, cement, fly ash and water according to a ratio; stirring, adding the mineral wool wastes, cement, fly ash, adding water according to a ratio for stirring 10-20 minutes so as to obtain a mixture; making a blank, vibrating and forming the mixture so as to obtain a brick blank; and curing, namely curing the brick blank at a normal temperature, thereby obtaining the baking-free lightweight insulating brick. According to the preparation method disclosed by the invention, the mineral wool production wastes and short fibers can be made into the baking-free brick, and the baking-free brick is small in investment, simple in process, low in volume-weight, good in thermal insulation properties, high in sound absorption and low in production cost.

The invention relates to modified rubber asphalt and a preparation method thereof, belonging to the field of chemical industry. The invention aims to provide modified rubber asphalt with good comprehensive perforamnce. The modified rubber asphalt provided by the invention is prepared from the following components in part by weight: 0.01-0.1 part of mixed silane and 1 part of rubber asphalt, or 0.01-0.1 part of mixed silane, 0.6-0.7 part of matrix asphalt and 0.3-004 part of tire rubber powder, wherein the mixed silane is a liquid-solid mixture with liquidity obtained by wet dust collection in the synthesis process of methyl chlorosilane monomer.

The invention relates to harmless waste plastic treatment equipment which comprises a belt conveyor 1, wherein the belt conveyor 1 is connected with a large screw feeder 2; the large screw feeder 2 is connected with a dechlorination shunt 3; the bottom of the dechlorination shunt 3 is connected with a small screw feeder 5; the small screw feeder 5 is connected with a pyrolysis kettle 6; the bottom of the pyrolysis kettle 6 is connected with a carbon outlet system 7; the carbon outlet system 7 is connected with a carbon powder collection tank 8; a catalytic transforming tower 9 is connected with the pyrolysis kettle 6; an air outlet of the catalytic transforming tower 9 is connected with a reboiler 10; a fractionating tower 11 is arranged on the reboiler 10; air outlets and reflux inlets are formed in the fractionating tower 11; the upper air outlet is connected with an inlet of a condenser 12; an outlet of the condenser 12 is connected with the upper reflux inlet of the fractionating tower 11 and a gasoline storage tank 15; the lower air outlet is connected with an inlet of an air cooler 13; an outlet of the air cooler 13 is connected with the lower reflux inlet of the fractionating tower 11 and a diesel storage tank. According to the equipment disclosed by the invention, a fully sealed structure is adopted, emission of any waste gas, waste water and waste residue is avoided during operation, and secondary environmental pollution is avoided.

The invention discloses an animal manure treatment production technology for a substrate or an organic fertilizer raw material. The technology comprises the following steps of: (1) dehydrating animalmanure to form solid animal manure with a water content of 55-60% and animal manure waste liquid, and performing physical modification on agricultural wastes to form an adsorption medium, (2) stackingthe solid animal manure with the water content of 55-60% for pre-fermentation, mixing the livestock waste liquid and the adsorption medium for stacking and pre-fermentation, and (3) mixing two pre-fermented products obtained in step (2), and inoculating with a fermentation strain for compound fermentation. An animal manure solid-liquid separation technique is adopted to extrude the animal manureto form a solid and the liquid. The animal manure solid is directly stacked for the fermentation, and the liquid and dry wood dust are mixed to directly form a solid with a water content meeting fermentation requirements, and then mixed with the extruded animal manure solid for the direct fermentation. With the adoption of a 'parallel unification' technology, the fermentation efficiency of the animal manure is significantly improved by adjusting and controlling a water content of an animal manure ferment.

The invention relates to a method for digesting manganese in manganese oxide ore through reduction with nitrosobacteria and dissolution and dilution with dilute acid, and belongs to the technical field of novel biological metallurgy techniques for recovery of manganese resources in manganese ore. According to the method, low-grade manganese dioxide ore is reduced through a strong reducer hydroxylamine-like substance, namely an intermediate product generated while high ammonia nitrogen waste water/liquid is oxidized with nitrosobacteria, and then bivalent manganese is dissolved and diluted in a dilute acid solution so that a manganese sulfate saline solution for electrolytic manganese metal production can be obtained. Mn4+ in the manganese dioxide ore is reduced into Mn2+ through the high reduction activity intermediate product generated during aerobic oxidation of the high ammonia nitrogen waste water/liquid through the nitrosobacteria as well as related inoculants and enzyme systems, and the manganese sulfate saline stock solution for electrolytic manganese production is obtained through acidolysis with dilute acid. The novel bioleaching technique not only completely eliminates the problem of high fe-based/sulfenyl impurities in a traditional sulfur/iron-oxidizing bacterium bioleaching solution, but also achieves innocent treatment of the high ammonia nitrogen waste liquid. The novel microorganism hydrometallurgy technique has the beneficial effects of being simple, convenient to implement, environmentally friendly and capable of achieving resource recycling.

The invention discloses a nutrient and nontoxic culture medium of a pot plant and a preparation method thereof. The preparation method includes: autoclaving and then mixing an SPF-grade (specific pathogen free-grade) or sterile-grade mice bedding material and a cake material; and subjecting the mixed material to sealed fermentation, sun-baking, crushing, filtering and uniform mixing with ferrous sulfate to obtain the nutrient and nontoxic culture medium of the pot plant. The weight ratio of the SPF-grade or sterile-grade mice bedding material and the cake material is (3-5):(1.5-2.5). According to the nutrient and nontoxic culture medium of the pot plant and the preparation method thereof, the SPF-grade or sterile-grade waste animal bedding material is utilized for providing the nutrient and nontoxic culture medium for the pot plant, so that environmental friendliness, low cost and easy operation are achieved and mass production and marketing can be facilitated.

The invention relates to a method for fermenting and drying a straw laying hen fodder. The method comprises the following steps: selecting maize straws, sorghum straws and soybean straws; smashing straws, thereby acquiring straw powder; soaking the straw powder in hot water; boiling the straw powder in a sulfite solution; soaking the straw powder in a sodium hydroxide solution; fermenting the straw powder; uniformly stirring corn flour, soybean cake powder, wheat bran, sweet potato powder, peanut cake powder, shell powder, soybean oil, table salt, fish meal, bone meal, healthcare sand and fermented straw powder in parts by weight; drying; preparing a glue solution; putting dried fodder into an inlet of a pelletizer, and meanwhile, utilizing a plurality of spraying pipes uniformly arrayed along horizontal direction and vertically arranged on a cylinder wall of a cylinder to spray the prepared glue solution in the form of mist into the pelletizer, thereby coating the glue solution on thesurface of the fodder; packaging. According to the invention, the straws are reasonably pretreated, are fermented and are finally prepared into the straw fodder, so that the problem of harmless disposal of agricultural waste straws can be solved.

The invention discloses a stabilization landfill process of fluoride. The stabilization landfill process of fluoride comprises the following steps of 1) adding 20-30 times of water into solid waste residue according to the weight of the solid waste residue, and soaking for 1-3 hours; 2) adding 2%-6% of calcium compound, and uniformly stirring; 3) adding 0.5-1.2% of aluminum compound, and uniformlystirring to prepare slurry; and 4) curing for 8-14 days in a landfill curing zone to form a cured body. According to the stabilization landfill process of the fluoride, calcium chloride hexahydrate and polyaluminum chloride (PAC) are adopted as a fluorine removal agent, the fluoride in overhaul slag can be effectively stabilized and cured, so that the cured body formed by the method can leach thetoxic fluoride to meet the requirement of safe landfill.

The invention relates to the technical field of smoke treatment, in particular to a smoke smell treatment system. The system comprises a box body, a moxa smoke treatment unit, a preprocessor, a high-temperature treatment and cooling unit and an electrical control box, wherein the moxa smoke treatment unit, the high-temperature treatment and cooling unit and the electrical control box are all arranged in the box body; the preprocessor is connected with the moxa smoke treatment unit; and the moxa smoke treatment unit is connected with the high-temperature treatment and cooling unit. According tothe invention, problems in harmless treatment of moxa smoke generated in the moxibustion treatment process are solved, the harm of moxa smoke to moxibustion treatment practitioners is avoided, the influence of the moxa smoke on the environment is reduced, contribution is made to the traditional Chinese medicine cause, and practicability and safety are both improved.

The invention relates to a lightweight composite wall panel and belongs to the field of building materials. Not only is a novel building material developed, but also a new field is opened up for urbansludge treatment. The wall panel is a square thick plate, grooves or ridges are processed at four side faces of the wall panel respectively. The grooves and the ridges are oppositely disposed, that is, a groove is processed at one side face, and the ridge is processed on the other corresponding side face. The wall panel is prepared from, by weight ratio, 65-75% of sludge ceramsite, 12.5-17.5% ofcement and 12.5-17.5% of gypsum. Water accounts for 72-78% the weight of the cement and the gypsum. The weight ratios of the weights of additives to the weight of the cement and the gypsum are high iron powder 0.8-1.2%., cellulose 0.08-0.12%., alkali inhibitor 1.8-2.2%., and water reducing agent 1.8-2.2%.. The lightweight composite wall panel has the advantages of high precision, small size, lightweight, good sound insulation and heat insulation effect, energy saving and environmental protection, simple and convenient construction and high efficiency, and can be widely used in the construction of interior walls and exterior walls of buildings.