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235results about How to "Shorten holding time" patented technology

Numerically controlled continuous steam explosion machine

InactiveCN102600763AAchieving suddennessGuarantee the same effect of steam explosionPressurized chemical processFixed ratioEngineering
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.
Owner:于政道

Solid electrolyte for inhibiting lithium dendrites growth in full-solid-state battery, and preparation method thereof

The invention relates to a solid electrolyte for inhibiting lithium dendrites growth in a full-solid-state battery, and a preparation method thereof. The solid electrolyte is prepared from lithium-lanthanum-zirconium oxide ceramic and 0.1 to 10 weight percent of low-melting-point sintering aid. The preparation method comprises the following steps of dry grinding and uniformly mixing stoichiometric lithium carbonate, lanthanum oxide and zirconium oxide, and then presintering in a muffle furnace at the temperature of 900 DEG C to form a phase; adding the low-melting-point sintering aid into presintering powder, and dry grinding and mixing to obtain a manual pressed sheet sample; densifying during a further high-temperature sintering process to form the solid electrolyte with high ionic conductance, stable performance and high repeatability. Compared with the prior art, without influencing a conductive property of a lithium-contained garnet lithium ion, a low-cost second phase is used so that the conductive property of the lithium ion at a crystal boundary part is improved, the solid electrolyte can better realize lithium ion transmission and plays a role in inhibiting the lithium dendrites growth in the full-solid-state battery, and the safety of the lithium battery is improved.
Owner:SHANGHAI JIAO TONG UNIV

Sludge treatment and resource utilization method based on pyrohydrolysis and application thereof

The invention belongs to the technical field of sludge treatment, and discloses a sludge treatment and resource utilization method based on pyrohydrolysis and application of the sludge treatment and resource utilization method based on the pyrohydrolysis. The sludge treatment and resource utilization method based on the pyrohydrolysis comprises injecting sludge with moisture content of 75%-90% into a reaction kettle, then injecting saturated steam with pressure of 1.5MPa-2.5MPa into the reaction kettle, stopping injecting the saturated steam when the temperature of the sludge reaches 150DEG C-185DEG C, maintaining the state for 0-25min, and obtaining slurry of the pyrohydrolysis; carrying out mechanical dehydration on the slurry, and obtaining desorption liquid and dehydration mud cakes; and carrying out an anaerobic digestion reaction on the desorption liquid, and obtaining methane. Processing temperature of the pyrohydrolysis is low, heating time of the sludge and total processing time of the sludge treatment and resource utilization method can remarkably reduced, processing efficiency is improved, energy consumption is reduced, and cost is saved. The dehydration mud cakes obtained by the sludge treatment and resource utilization method can serve as raw materials of organic fertilizer, the obtained methane can be used for fuel of a boiler system, and finally reduction, harmless performance and recycling of the sludge are achieved.
Owner:SHENZHEN ECO SOLUTION TECH CORP
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