770results about How to "Decompose fully" patented technology

The invention relates to a production device for steam explosion pretreatment of biomass, in particular to a pretreatment device for the industry of biomass utilization, and provides a numerically controlled continuous steam explosion machine, which can complete supersonic steam explosion in milliseconds (0.00875s) based on the principle of a sliding cover. Since the cross-sectional area of the steam explosion machine for gas discharging, i.e. the cross-sectional area of the sliding cover, is equal to the cross-sectional area of a high-pressure cylinder, the cross-sectional area of the steam explosion machine for gas discharging and the steam explosion treatment volume form a fixed ratio, the problem that the gas discharging time is prolonged along with increase in the treatment volume in the traditional hot blowing process can be solved, and the power and density of steam explosion can be increased by three orders of magnitude. Moreover, the 'rawness and maturity' of materials which are subjected to batch treatment can be kept identical, and a foundation is laid for the consistency of industrial biochemical treatment. Meanwhile, the machine has the function of feeding and discharging materials automatically and the continuous steam explosion production can be realized.

The invention discloses a three-section six-step tobacco baking method. According to the method, a yellowing stage comprises the first step to the third step: first step: balancing the temperature and the humidity; second step: resolving the tobacco yellowing, and third step: resolving the branch vein yellowing; a color fixing stage comprises the fourth step to the fifth step: fourth step: resolving the main vein yellowing, and fifth step: increasing aroma substances; a stem drying stage comprises the sixth step of reducing the volatilization of aroma. The three-section six-step tobacco baking method disclosed by the invention obeys a moisture change rule, an oxidase activity change rule, a pigment change rule, a starch metabolism rule and a protein metabolism research result to couple four factors including the temperature, the humidity, the stable temperature time and the air speed of the tobacco; a baking key is provided with specific operation measures so as to be convenient for technical guidance and practical operation; the tobacco in the baking process is yellowed sufficiently, decomposed sufficiently and synthesized sufficiently so that the realization of the tobacco baking purpose is guaranteed.

The invention discloses a production process for producing an organic fertilizer through concentrating biogas slurry by using a multistage membrane separation technology; the production process comprises the following steps: a, pretreatment: carrying out pretreatment of biogas slurry after anaerobic fermentation through precipitation, aerobic fermentation, solid-liquid separation, primary filtration, homogeneous curing adjustment, deep precipitation, fine filtration and biological bacteria inhibition; b, multistage membrane separation before concentration: carrying out microfiltration membrane separation and ultrafiltration membrane separation of the biogas slurry after fine filtration and biological bacteria inhibition; c, multistage membrane concentration: carrying out multistage membrane concentration of the biogas slurry penetrated fluid obtained by ultrafiltration membrane separation through nanofiltration membrane concentration, reverse osmosis membrane concentration and concentration membrane protection; d, blending: adding large, medium and trace elements and other nutritional ingredients and functional components into the intercepted concentrate obtained by nanofiltration and reverse osmosis membrane separation, blending to obtain a liquid organic fertilizer, and sub-packaging; and e, product packaging. The production process has the advantages of flexible structure, advanced equipment and scientific process layout, can meet resource comprehensive utilization development of biogas slurry of all large and medium sized biogas projects.

The invention provides lithium supplementing slurry for a lithium ion energy storage device, and a preparation method and application of the lithium supplementing slurry. The lithium supplementing slurry comprises lithium oxalate serving as a lithium supplementing active substance, a transition metal compound serving as a catalyst and a solvent. The invention also provides a method for preparing the lithium supplementing slurry for the lithium ion energy storage device. The method comprises the following steps: adding lithium oxalate, a transition metal compound, an optional conductive additive and an optional binder into a solvent, and carrying out mixing to obtain the lithium supplementing slurry. The prepared slurry is used for a positive electrode of the lithium ion energy storage device, so redundant active lithium is effectively released in the first-week charging and discharging process, the irreversible capacity loss of a battery is made up, and meanwhile, the coulombic efficiency and the cycling stability of a positive electrode material are effectively improved. The lithium supplementing slurry is simple to operate, low in cost, high in safety and good in compatibility with electrolyte, and can be directly used for large-scale production.

The invention discloses a dioxin control method for the iron ore sintering garbage fly ash coprocessing process. According to the method, garbage fly ash, lime milk, flammable solid fuel and sludge are subject to mixed granulation and drying, and small balls containing garbage fly ash are obtained; iron core sintering raw materials are granulated and then are mixed with the small balls of the garbage fly ash, and after distribution, ignition and sintering are carried out. According to the method, on the premise that the iron ore sintering is not affected, efficient decomposing of dioxin contained in the fly ash can be achieved, dioxin secondarily formed in the garbage fly ash sintering process is prevented, according to the method, the decomposing rate of the garbage fly ash dioxin reaches 90% or above, meanwhile, effective solidifying of the garbage fly ash can be ensured, and in the sintering process, the aim of cleaning the garbage fly ash is achieved.

The invention discloses a mechanically-pressed carbon-free corundum spinel ladle brick. The mechanically-pressed carbon-free corundum spinel ladle brick comprises the following components in percentage by weight: 30%-50% of plate-shaped corundum particles, 10%-20% of high-purity aluminum-rich spinel particles, 10%-20% of plate-shaped corundum fine powder, 1%-9% of large crystallized magnesia fine powder, 5%-15% of high-purity aluminum-rich spinel fine powder, 1%-10% of high-purity silicon micro powder, 2%-10% of imported multimodal alpha-Al2O3 micro powder, 1%-4% of metal silicon and a bonding agent which is composed of 1%-5% of polyphosphate and 1%-3% of polysaccharide. The mechanically-pressed carbon-free corundum spinel ladle brick disclosed by the invention adopts an organic-inorganic compound combining system, is wet-milled and mixed under high pressure, formed under high pressure, high in density, good in thermal stability under high temperature, and resistant to molten steel and slag, and does not pollute the molten steel; moreover, production efficiency can be greatly improved, and therefore, the mechanically-pressed carbon-free corundum spinel ladle brick can be extensively applied to various ladles, especially refined low-carbon steel and ultralow-carbon ladles.

The invention discloses a microbial composite liquid fertilizer anjd the preparing mehtod, adopting urea, potash or potassium sulfate, phosphoric acid, zinc sulfate, epson salt, allantoid element, active bacterium liquid, amino acid and so on to make it by the techniques such as neutralization, standing by, filtering, mixing and pH value adjustment. It is a new ecotypic leaf-surface fertilizer, able to be used to dip seeds, touch roots and spray leaf-back surface and used as soiless-culture nutritious liquid.

The invention discloses an industrial hazardous waste incineration system comprising a rotary kiln, a waste liquor furnace, a membrane wall-type drop-tube furnace, a membrane wall-type waste heat boiler, a half-dry quench tower, a dry reactor, a bag-type dust collector, a draught fan, a spray tower, an absorption tower, a natural gas pipeline, a low-pressure steam pipeline, a compressed air pipeline and a chimney. A secondary combustion chamber and a pre-cooling chamber are arranged between the waste liquor furnace and the membrane wall-type drop-tube furnace. The industrial hazardous waste incineration system is simple in structure, convenient to operate, low in cost, long in service life, effective in sufficiently burning the hazardous waste, low in hazard, high in working efficiency, capable of simultaneously treating solid and liquid independently, strong in university and lower in cost.

The invention relates to a method for preparing ceramsite by using waste incineration fly ash and waste glass. The method includes the steps that waste glass is broken and ball ground to 200 meshes, and then waste incineration fly ash, rubbish leachate and a foaming agent are added according to certain proportion; and the mixture is stirred evenly, granulated and placed in a furnace to go through a pre-heating stage, a temperature rising stage and a heat preservation anneal stage to obtain the glass ceramsite. The glass ceramsite prepared through the preparation method is good in structural strength, low in water absorbing rate, large in hardness, good in chemical stability and wide in an application range. Simultaneously, dioxin pollutant in raw materials can be decomposed and damaged, heavy metal is cured in firing products, a toxic leaching standard of our country is met, and a purpose of disposing the rubbish leachate and the waste incineration fly ash is achieved simultaneously. The glass ceramsite produced through the method meets requirements of building aggregate, and the method not only turns waste into wealth, but also protects environment.

The invention discloses a photocatalytic type air purification device which comprises a spiral channel with an air inlet and an air outlet, wherein a plurality of catalytic units are arranged in the spiral channel; the catalytic unit comprises a catalyst carrier with a pore structure and a g-C3N4 optical catalyst attached to the catalyst carrier; the periphery of the catalyst carrier is hermetically connected with the inner wall of the spiral channel; the side wall of the spiral channel is made of light transmission materials; a visible light source irradiating the g-C3N4 optical catalyst is arranged in the spiral channel. The invention further provides a photocatalytic type air purification method. According to the photocatalytic type air purification device, the spiral channel structure is adopted for guiding air stream, so that the utilization rate of a space in the device is greatly increased, the path and the time for passing through the catalyst by air are prolonged, the area of contact between the air and the catalyst when the air passes through the catalyst is enlarged, the photocatalytic efficiency is improved, and the overall size of the device is reduced; the device is suitable for being used in various occasions.

The invention relates to a test device for determining parameters of steam explosion technology, belonging to physics test equipment. In the current technology mode, which realizes steam explosion through fast valve opening, long pressure release time reduces the energy density, so the material decomposition degree is low, little facilitating later enzymatic hydrolysis. The technological test bench based on the principle of cylinder explosion piston provided by the invention can finish the steam explosion within milliseconds, improving the energy density and fully decomposing the material. The technical principle of the test bench is also reflected in the design of industrial steam explosion devices, which accurately simulates the production environment for future industrialization of steam explosion and, thereby, accurately determining parameters of the steam explosion technology and providing fiber pretreatment materials for metaphase experiments of biochemical treatment such as enzymatic hydrolysis and the like. Experiments of the invention are relatively independent, creating conditions for contrast tests and final parameter determination.

The invention relates to a microbiological treatment method for rice / wheat straw waste, belonging to the technical field of resources and environment. On the basis of the study on the composition and properties of the rice / wheat straw waste, the invention provides the method for the rice / wheat straw waste to be stacked in a centralized manner and to be transplanted with a compound microbe for fermentation so as to carry out pollution-free treatment. Under the function of the compound microbe which is composed of bacillus subtilis, clostridium and rhizopus, continuous fermentation and temperature rising are carried out on the rice / wheat straw waste; at the same time as harmful pathogens are killed, the rice / wheat straw waste is decayed after being completely decomposed, so as to obtain excellent organic fertilizer. The treatment method is simple in processing, and the waste is recycled. Therefore, the treatment method in the invention is an ideal one that accords with the national conditions, needs low cost and can effectively treat the rice / wheat straw waste in cities and suburbs.