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9587 results about "Air drying" patented technology

Domestic garbage transformation technique, system and apparatus without conventional fuel for combustion supporting

The invention provides a process, a system and equipment for converting household garbage without support combustion of the prior fuels, which relates to a process and equipment for processing garbage. The process is characterized in that the household garbage is sent into a gasification furnace or an incinerator after separating, dehydrating by rolling compaction and air-drying treatment; garbage fuel is converted in the furnace by a mode of gasification or incineration, and is subjected to baking, pyrogenation, gasification and carbon residue burn-out in the furnace; the converted synthesis gas is used for cleaning energy; waste heat of incineration is absorbed by heat-exchange equipment for reclamation; garbage rolling liquid is sent into a digesting machine for anaerobic fermentation so as to produce biogas, the biogas is used as auxiliary fuel of the incinerator, and the digested residue and residual liquid are used for fertilizing crops; and inorganic substances separated from the garbage are used as raw materials to manufacture bricks, and clinker discharged from the incinerator or the gasification furnace is used for producing cement or fertilizer. The process, the system and the equipment comprehensively utilize the garbage so as to achieve complete dissolving treatment, and the equipment has a simple structure and low investment cost, and is easy to popularize..
Owner:周开根

Low-temperature furnace smoke sucking exhaust gas and hot air drying composite powder feeding bituminous coal and meagre coal universal type powder preparing system

The invention relates to a low-temperature furnace smoke sucking exhaust gas and hot air drying composite powder feeding bituminous coal and meagre coal universal type powder preparing system. A middle bin storage type steel ball coal mill hot air power feeding and meagre coal power preparation system is adopted as a prototype, and part of low-temperature furnace smoke is sucked from an outlet of a suction fan by a furnace smoke fan as an inert medium and part of drying mediums to be mixed with hot air taken from an outlet of an air preheater to enter a coal mill for drying and delivering coal powder; the oxygen content of the powder preparation system is reduced, and the explosion preventing requirement on grinding bituminous coal can be met. In addition, part of exhaust gas at an outlet of a power exhauster is led to an inlet of a heat primary fan by an exhaust gas transfer pipeline to be mixed with hot air to enter a primary bellows for delivering the coal powder; the temperature of a primary air and powder mixture and the oxygen concentration of the system are effectively reduced, and the combustion and explosion preventing requirement of bituminous coal delivery is met. Isolating doors are both installed on a furnace smoke system and an exhaust gas transfer system; by the switch control of the isolating doors, the switching of a typical hot air power feeding meagre coal system and a low-temperature furnace smoke exhaust gas and hot air drying composite powder feeding bituminous coal system is realized, and the invention is not only suitable for the meagre coal, but also suitable for the bituminous coal.
Owner:XIAN THERMAL POWER RES INST CO LTD

Ecological treatment technology for construction waste

The invention belongs to the field of recycling of construction waste, energy conservation and environment protection, and construction materials, and relates to an ecological treatment technology for construction waste, and particularly relates to the ecological treatment technology for construction waste and a preparation method for regenerated novel construction materials, which can efficiently use the construction waste and does not generate secondary pollution. The ecological treatment technology comprises the following steps of pretreating in a construction waste dump, namely, air drying the construction waste, crushing big blocks, sorting and removing soil through vibrating, adding a fertilizer in the soil to be used for filling grass planting bricks; preparing recycled aggregate, namely, crushing roughly, removing impurities, precisely crushing and simultaneously reinforcing and shaping the recycled aggregate, screening out the recycled aggregate with particle size less than 0.15mm as well as 0.15-5mm, 5-15mm and 15-25mm and micro powder for the secondary time, finally, separating the brick from concrete by a gravitational method or a hydraulic mineral beneficiation method according to different densities of the brick and concrete in the mixed recycled aggregate. Recycling and high value-added utilization of the construction waste are realized, and the ecological treatment technology gets major breakthrough in recycling industry of construction waste.
Owner:DALIAN HONG YUAN GREEN BUILDING MATERIALS

Dust collecting, mopping and drying integrated cleaning cart

The invention provides a dust collecting, mopping and drying integrated cleaning cart and solves the problem that an existing dust collector is single in function of dust collecting and cleaning and is time and labor wasting when cannot realize multiple cleaning tasks simultaneously. The dust collecting, mopping and drying integrated cleaning cart comprises a closed cart housing, a pushing handle is fixedly arranged at the tail end of the cart housing, wheels are arranged on a chassis of the cart housing, a dust collecting and drying pipeline is arranged in the cart housing and provided with a front dust collecting port and a rear air outlet and is sequentially serially connected with a dust collecting barrel, a fan and an air heater from front to back, a wet rotating mop and a dry rotating mop extent out of the chassis of the cart housing, the wet rotating mop is connected with a water supply device, the dry rotating mop is connected with a driving device, and the dry rotating mop and the wet rotating mp are in transmission connection. The dust collecting, mopping and drying integrated cleaning cart is capable of orderly completing serial cleaning steps of dust collecting, wet wiping, dry wiping and air drying, can guarantee good cleaning effect and doubly improve cleaning efficiency, and is timesaving and laborsaving.
Owner:SHANDONG UNIV OF SCI & TECH

Preparation method for copper oxide-graphene nano-complex modification electrode, and application of modification electrode in glucose detection

InactiveCN102520035AAvoid the disadvantages of easy deactivation and instabilityAchieve electrocatalysisMaterial electrochemical variablesGlucose sensorsCatalytic oxidation
The present invention relates to a preparation method for a copper oxide-graphene nano-complex modification glassy carbon electrode, and an application of the electrode as a glucose electrochemical sensor in rapid glucose detection, and belongs to the technical field of electrochemical analysis detection. According to the present invention, an electrochemical catalytic oxidation effect is adopted, and a current-time curve method is adopted to carry out sensitive quantitative analysis determination on the glucose, wherein the electrochemical catalytic oxidation effect is provided by the glucose sensor, and the copper oxide-graphene nano-composite material is adopted to modify the glassy carbon electrode to prepare the glucose sensor. The key point of the invention is: coating a naphthol suspension of the graphene on the surface of the treated glassy carbon electrode in a dropwise manner; carrying out open-air drying to form a layer of uniform modification layer; and adopting an electrodeposition method with a characteristic of simple operation to prepare a sensitive layer of the copper oxide-graphene nano-complex to achieve the stable catalysis of the glucose oxidation. The prepared glucose sensor of the present invention can be used clinically in detection analysis of blood glucose content in serum, and the determination process has characteristics of rapidness, sensitivity, accuracy, stability, low interference and the like.
Owner:SHANGHAI UNIV

Preparation and use method of microbial immobilized material for remedying polluted soil

The invention discloses a method for preparing and using a microbial immobilized material for repairing contaminated soil. The method comprises the following steps: (1) after being dried by air, the waste biomass raw material is pulverized or ground into 1-20mm of particles; (2) the biomass particles are carbonized and sterilized at the temperature of 150-450 DEG C and under limited oxygen condition for 0.5-6 hours to prepare a carrier material; (3) the carrier material is put into bacterium suspension for enrichment culture according to the solid-to-liquid ratio of 0.5-2mL/g, then the microbial immobilized material is produced; (4) the produced microbial immobilized material is added to organic contaminated soil according to the proportion of 1-500 tons per hectare soil, 0-30cm of topsoil is ploughed to cause the microbial immobilized material to be mixed evenly in the soil, simultaneously, the contaminated soil is biologically repaired and safe agricultural products are produced. The method has the advantages that the carrier material contains abundant lignin structures, carbon and nutrient elements, which provides more suitable matrix for microbial growth; and the immobilized material has strong affinity, high immobilization efficiency, strong adsorption capacity and good resistance against the pollutants in the environment; and the immobilized material is a soil fertilizer, and is suitable for large-scale in-situ biological repair of the contaminated soil.
Owner:ZHEJIANG UNIV

Method for processing instant dried sweet potato

The invention provides a method for processing an instant dried sweet potato, which comprises the following steps of: carrying out storage and saccharification pretreatment on a fresh sweet potato; cleaning the sweet potato, removing the peel of the fresh sweet potato and cutting the sweet potato into strips; blanching for 15-30 seconds; leaching; adding 1-3 percent by mass of honey; steaming for 30-45 minutes in steam; drying to the water content of 32-36 percent at 60-70 DEG C in microwave vacuum; adding 0.2-0.4 percent by mass of mountain naphthalene oil; steaming for 15-30 minutes in steam; drying to the water content of 14-18 percent at 50-60 DEG C in microwave vacuum; storing and dampening to the water content of 20-24 percent at 4-8 DEG C in a refrigeration house; and carrying out microwave sterilization at 30-40 DEG C for 3-6 minutes; and packaging in vacuum. By adopting the processing method of the invention, the produced instant dried sweet potato has flexible texture and certain toughness and can be chewed by all people regardless of age and sex; the product has uniform color, presents red gloss and has the potato flavor deserved by the variety, palatable sweetness, no any food additive, short vacuum microwave drying time and less loss of nutrition components; the product has the normal temperature quality guarantee period for 9 months and the refrigeration quality guarantee period for 12 months; the quality standard of the product meets the following condition: the total bacterial amount is not more than 1,000 CFU/g, the mould is not more than 50 CFU/G, the escherichia coli is not more than 30 MPN/100g, and pathogenic bacteria are not detected; in addition, the energy consumed for producing the instant dried sweet potato is reduced by more than 30 percent compared with the energy consumed for producing the instant dried sweet potato by hot air drying.
Owner:ZHEJIANG UNIV OF TECH

Shell making method for deep blind hole of precision casting

The invention discloses a shell making method for a deep blind hole of a precision casting. The method comprises the following steps of: making a wax pattern module; coating the module to make a shell; sequentially coating a surface layer, a transition layer, a third layer and a fourth layer; after coating the third layer or fourth layer, performing air drying until the shell is completely dried; stirring silica sol zircon powder slurry and mullite sand according to a mass ratio of 4:(6-6.5) into paste to obtain filling; pouring the filling into the position of the deep blind hole of the casting; then aligning the deep blind hole of the casting with a fan for forced air drying until the deep blind hole of the casting is completely dried; continuously reinforcing according to the casting size until the required layer number of the shell is obtained; and dewaxing to obtain a corresponding shell. The shell making method for a deep blind hole of a precision casting, disclosed by the invention, is simple and convenient to operate, effectively solves the difficulty in shell making for a shell deep blind hole of a precision casting, enhances the strength of the shell at the deep blind hole, greatly reduces the defects of breakage, deviation and the like of the shell at the deep blind hole, realizes an obvious effect and fundamentally guarantees the delivery time of the products for customers.
Owner:HUSN CASTING ANHUI YINGLIU GROUP

Method for producing transparent glass and overglazed color ceramic sandwich by single firing

A method for producing transparent glass and overglazed color ceramic sandwich by single firing in the invention relates to the technical field of building materials. By the adoption of ''a key single firing technology with material selection within the range of predetermined product components'', the method provided by the invention comprises the following steps of: applying ground-coat enamel on a ceramic green compact to prepare an enamel green body, printing gelatine-pad printed fancy glaze to prepare an overglazed color ceramic green body, applying transparent frit dry granules on the overglazed color ceramic green body to prepare overglazed color frit dry granular ceramic green body, spraying methyl cellulose for fixation to prepare a greenware to be sintered, sintering the greenware to be sintered to form a semi-finished product, followed by strickling for thickness determination, rough casting, fine casting, edging, chamfering, air drying, picking and grading to prepare the transparent glass and overglazed color ceramic sandwich finished product. The method is used for the production of transparent glass and overglazed color ceramic sandwiches and is the single firing technology with material selection within the range of predetermined product components.
Owner:GUANGDONG BODE FINE IND CONSTR MATERIAL

Porous foam metal based embedded type solid self-lubricating composite material and preparation method thereof

ActiveCN101906549AImprove thermal conductivityImprove oil storage and fat storageMetal frameworkHeavy load
The invention discloses a porous foam metal based embedded type solid self-lubricating composite material which is formed by filling solid lubricating materials into the porous foam metal. In the designing and manufacturing method of the self-lubricating composite material, the porous foam metal is used as a base body framework and a solid lubricating material component vacuum titrating method is adopted; and the manufacturing method comprises the following steps of: filling a solid lubricant into the porous foam metal framework by using an organic suspension; carrying out air drying, and then sintering through cold pressure; and finally forming; or pressing melted resin with better flowability and used as the mixed solid lubricating material into the porous foam metal under pressure slightly lower than the pressure-resistant strength of the porous foam metal, and then naturally cooling for forming. shown by practices, the embedded type solid self-lubricating composite material designed and manufactured according to the design idea not only has light weight of the porous foam metal, high specific surface area and good heat conductivity and electrical conductivity, but also has good lubricating property of the solid lubricant, and overcomes the limit of low pressure-resistant capability of the porous foam metal in the filling process so that the self-lubricating composite material has high effective lubricating area proportion, better heat conductivity and electrical conductivity and enhanced pressure-resistant capability and effectively inhibits the expansibility of a straight polymer when the straight polymer is heated and the inherent cold flow property of the straight polymer, thereby improving the abrasion-reducing property and the abrasion-resisting property of the solid lubricating materials especially under the working conditions of high-speed heavy loads on one hand.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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