3399results about How to "Short stay" patented technology

The invention provides chain extenders made from epoxy-functional (meth)acrylic monomers and styrenic and / or (meth)acrylic monomers. The invention further provides polymeric compositions made from the chain extenders and plastic articles made from the compositions. Finally, the invention provides methods of using the chain extenders to improve the properties of virgin, recycled, and reprocessed condensation polymers.

Methods for carrying out high temperature reactions such as biomass pyrolysis or gasification using solar energy. The biomass particles are rapidly heated in a solar thermal entrainment reactor. The residence time of the particles in the reactor can be 5 seconds or less. The biomass particles may be directly or indirectly heated depending on the reactor design. Metal oxide particles can be fed into the reactor concurrently with the biomass particles, allowing carbothermic reduction of the metal oxide particles by biomass pyrolysis products. The reduced metal oxide particles can be reacted with steam to produce hydrogen in a subsequent process step.

A process and apparatus for producing a synthesis gas for use as a gaseous fuel or as feed into a Fischer-Tropsch reactor to produce a liquid fuel in a substantially self-sustaining process. In one embodiment, a slurry of particles of carbonaceous material in water, and hydrogen from an internal source, are fed into a hydro-gasification reactor under conditions whereby methane rich producer gases are generated and fed into a steam pyrolytic reformer under conditions whereby synthesis gas comprising hydrogen and carbon monoxide are generated. A portion of the hydrogen generated by the steam pyrolytic reformer is fed through a hydrogen purification filter into the hydro-gasification reactor, the hydrogen therefrom constituting the hydrogen from an internal source. The remaining synthesis gas generated by the steam pyrolytic reformer is either used as fuel for a gaseous fueled engine to produce electricity and / or process heat or is fed into a Fischer-Tropsch reactor under conditions whereby a liquid fuel is produced. Molten salt loops are used to transfer heat from the hydro-gasification reactor, and Fischer-Tropsch reactor if liquid fuel is produced, to the steam generator and the steam pyrolytic reformer. In another embodiment of the invention, carbonaceous material can be heated simultaneously in the presence of both hydrogen and steam to undergo steam pyrolysis and hydro-gasification in a single step.

The present invention discloses a catalytic reaction method. Said method can make the catalytic reaction be implemented in the supergravitational field. Said method utilizes the rotary bed supergravitational field equipment as reactor, on the rotor of said rotary bed supergravitational field equipment a porous catalyst layer and / or a porous filler layer are fixed, and the described catalytic reaction is homogeneous reaction or heterogeneous reaction. Said invention cal reduce catalyst consumption, raise utilization rate of catalyst, raise stability of catalyst and can reduce denergy consumption, etc.

Countercurrent extraction of lignocellulosic biomass such as trees, grasses, shrubs, and agricultural residues or waste involves the separation of cellulose fibers from other constituents, for subsequent use in the manufacture of paper, plastics, ethanol, and other industrial chemicals. Systems and methods involve continuous, multiple processing steps that may include chemical reactions with mixing at elevated temperature and / or pressure, efficient reagent or solvent utilization, filtration at elevated temperature and / or pressure, controlled discharge of liquid and solid products, and energy recuperation.

This invention is a high-intensive heat-fast magnesium alloy and its preparation method, and the magnesium alloy has the following components with their weight percentages: 6-15%Gd, 1-6%Y, 0.35-0.8%Zr, 0-1.5%Ca, and impurity elements Si, Fe, Cu and Ni with their gross less than 0.02%, and the rest percentage is Mg. while melting, add Gd, Y, Zr in the Mg melt in Mg-Gd, Mg-Y, Mg-Zr forms, then carry out solution treatment to the magnesium alloy under 450-500deg.C for 6-12 hours, squeeze in in 350-450deg.C, treat in time the squeezing stick for 10-16 hours in 225deg.C to improve its strength.

A closed multi-room fluidized bed sludge drying method is provided, which is a sludge drying method having the advantages of simple equipment structure, convenient operation, strong sludge adaptability, high thermal efficiency, safety, continuity, stability, etc. After the mechanically dewatered sludge is mixed with the back-mixed sludge, the mixture is dried room by room in an inert particles multi-room fluidized bed dryer (3). The first room and the second room of the inert particles multi-room fluidized bed dryer (3) adopt inert particles (f) as heat storage medium. Gas from a cyclone separator (5) goes through a spray tower (7) and returns into an air heating unit (4) through a circulating fan (10). Part of dried sludge (e) at the lower part of the cyclone separator (5) enters the inert particles multi-room fluidized bed dryer (3) through the back-mixing in a mixer (2). Waste liquid from the bottom of the spray tower (7) enters a waste liquid circulating pool (8), with part of waste liquid circulating into the spray tower (7) and part into a sewage treatment system.

A process for manufacturing set cellular cement, including the steps of: (i) mixing cementitious material, water, foaming agent and optionally additives into a free flowing slurry having a slump of at least 100 mm; subsequently (ii) injecting and distributing air into the slurry of step (i) to form a cellular slurry; subsequently (iii) casting the cellular slurry of step (ii); and finally allowing the cellular slurry to set. And, an apparatus for carrying out the process.

The invention relates to a high glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT) / acrylonitrile butadiene styrene (ABS) alloy material. The material comprises the following components in percentage by weight: 22.5-41% of PBT, 22.5-41% of ABS, 6-20% of complexing inflaming retardant, 3-15% of antimonous oxide, 20-30% of glass fiber, 2-10% of flexibilizer, 0.1-1% of antioxidant and 0.1-1% of lubrication dispersing agent. The preparation method comprises the following steps: putting raw materials weighed based on the weight proportion into a high mixer, mixing for 2-5 minutes, and then discharging; and then extruding and granulating by using an extruding machine at the processing temperature of 230-240 DEG C at the screw rotating speed of 30-40Hz. Compared with the alloy material prepared by the prior art, the high glowing filament environment-friendly inflaming retarding reinforced PBT / ABS alloy material has the advantages of high glowing filament temperature, environmental friendliness, balanced comprehensive performance and the like.

The present invention is a slurry-type process for upgrading heavy oils to FCC and S / C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations small enough (e.g., <300 ppm Mo on feed) that they need not be recycled.

An improved oxidative process that employ a robust, non-aqueous, and oil-soluble organic peroxide oxidant for effective desulfurization and denitrogenation of hydrocarbons including petroleum fuels, hydrotreated vacuum gas oil (VGO), non-hydrotreated VGO, petroleum crude oil, synthetic crude oil from oil sand, and residual oil. Even at low concentrations and without the assistance of catalysts, the non-aqueous organic peroxide oxidant is extremely active and fast in oxidizing the sulfur and nitrogen compounds in the hydrocarbon feedstocks. Furthermore, the process generates a valuable organic acid by-product that is also used internally as the extractive solvent for effective removal of the oxidized sulfur and nitrogen from the hydrocarbons without the need of a final adsorption step. Novel process steps are also disclosed to substantially prevent yield loss in the oxidative process.

The present invention provides an environmentally beneficial process using concentrated sunlight to heat radiation absorbing particles to carry out highly endothermic gas phase chemical reactions ultimately resulting in the production of hydrogen or hydrogen synthesis gases.

The invention discloses an attapulgite clay porous porous ceramsite, a preparation method of the ceramsite, and a purpose of the ceramsite. The ceramsite is prepared from raw materials of attapulgite clay and biomass, and a binder of industrial soluble glass. The ceramsite is prepared through calcining and oxidizing. The attapulgite clay porous ceramsite prepared by the present invention has advantages of high porosity, large specific surface area, high strength, strong water resistance, high water absorption, high catalytic activity, and the like. The porous ceramsite prepared by the presentinvention can be applied as a carrier for a catalyst, and a filling material for an aerated biological filter.

The present invention is directed to the use of aluminum alkyl activators and co-catalysts to improve the performance of chromium-based catalysts. The aluminum alkyls allow for the variable control of polymer molecular weight, control of side branching while possessing desirable productivities, and may be applied to the catalyst directly or separately to the reactor. Adding the alkyl aluminum compound directly to the reactor (in-situ) eliminates induction times.

The slimming diet fiber biscuit is produced with flour and diet fiber as main material and supplementary material including salt, seasoning, etc. The diet fiber will expand after absorbing water and this makes the eater produce satiety to reduce the ingestion; and it will reduce the time for food to stay in intestinal tract to consume fat inside body and result in slimming effect. In addition, ingesting diet fiber can reduce the re-absorption amount and alter food digesting speed and digestion secretion amount to prevent gall stone, duodenal ulcer, peptic colonitis and other diseases.

The invention relates to a micro-ecological regulator, which belongs to the category of micro-ecological preparations. The product contains Bifidobacterium bifidum, Bifidobacterium longum, Bifidobacterium adolesentis, lactobacillus acidophilus, fructo-oligosaccharides, galacto-oligosaccharides, vitamins and the like. A concrete production process comprises the following steps: 1. bacterial strains are respectively or jointly subjected to liquid deep high-density cultu, so as to obtain fermentation liquid; 2. after the fermentation liquid is centrifuged, bacterial sludge is collected, added to protective agents and made into freeze-dried powder; 3. the freeze-dried powder is added to microcapsule materials and made into microcapsules through air suspension treatment; and 4. the microcapsules are mixed with oligosaccharides, vitamins and the like and then are made into a synbiotics pharmaceutical composition. By directly replenishing human intestines with Bifidobacterium and lactobacillus acidophilus, and by simultaneously providing prebiotics for ensuring that beneficial bacteria after entering intestines can be activated rapidly and proliferate, the product adjusts and improves intestinal micro-ecosystem, so as to achieve the aims of regulating organism immunity, delaying senility, inhibiting tumors, regulating blood lipid and improving intestines and stomach. A preparation method of the product can solve the technical problem that the prior probiotics medicine is difficult to keep the stability of probiotics at normal temperature and unstable under acidic conditions, and provides a pharmaceutical composition which can be stably stored at normal temperature.

In a process for the thermal cracking of hydrocarbons in the presence of steam, the charge mixture is passed through externally heated tubes with helical inner fins, and to make the temperature in the tube wall and over the tube cross section more uniform, as well as to reduce the deposition of pyrolysis coke on the tube inner wall, a swirling flow is generated in the gas mixture and is gradually merged into a core zone with a predominantly axial flow at increasing radial distance from the fins.

Disclosed is amultichannel reactor with microstructure. Continuous phase inlet pipe and distribution chamber, discontinuous phase inlet pipe and distribution chamber, mixture phase buffer chamber and fluid outlet pipe connects separately, and they compose the lower cavity. Porous distribution medium is sealed in the upper distribution chamber of discontinuous phase. A parallel channel plate of continuous phase is located above the lower cavity and the upper is sealed. The continuous phase liquid flows into the reactor from the distribution chamber of inlet pipe; the discontinuous liquid flows into the parallel channel of continuous phase following through the distribution medium, distributes into minute drop or air bubble with the floating shearing force of continuous phase liquid, and then connects with the continuous phase liquid to realize the rapid mixture and reaction of the two- phase liquid; then the liquid flows out of the reactor. With the invention, the area of mass transfer is big, the reaction conversion rate is high, and large scale production can be realized.

The invention relates to an unmanned aerial vehicle relay device and a relay method. The technical problems that the existing multi-rotor unmanned aerial vehicle cannot continuously and efficiently cruise a global region, the model suitable for the existing relay technology is single and the unmanned aerial vehicle needs to wait for charging for a long time are solved. The unmanned aerial vehicle relay device comprises a parking apron, a limiting and fixing mechanism, a battery dock and a battery replacement mechanism, wherein a first V-shaped clamping plate, a second V-shaped clamping plate and a relative motion transmission device are arranged on the limiting and fixing mechanism; the first V-shaped clamping plate and the second V-shaped clamping plate are arranged opposite to each other and positioned above a deck of the parking apron; the battery replacement mechanism comprises a cantilever, an electromagnet, and a horizontal direction linear module and a vertical direction linear module which are vertically connected together; the cantilever is connected with a vertical direction slide block on the vertical direction linear module; the electromagnet is connected with the cantilever; a battery slot is formed in the battery dock. The unmanned aerial vehicle relay device disclosed by the invention is widely applied to an unmanned aerial vehicle relay system.

The invention discloses a high-density spherical nickel-cobalt-aluminum precursor material. The chemical molecular formula of the nickel-cobalt-aluminum precursor material is Ni(1-x-y)CoxAly(OH)(2+y); the tap density of the nickel-cobalt-aluminum precursor material is 1.8-2.4 g / cm3; the material is spherically granular; the average particle size of the material ranges from 6 to 17 microns. The invention also discloses a preparation method of the precursor material. The preparation method comprises the following steps of: firstly, evenly mixing an aluminum salt with a complexing agent; secondly, evenly mixing a nickel salt with a cobalt salt solution; adding the mixed solution, the complexing agent and a precipitator solution to a reactor in parallel for continuous coprecipitation reaction, controlling the pH value in the reaction process within the range from 11 to 12, keeping the materials stay in the reactor not more than 20 h, performing solid-liquid separation after stable reaction, and finally, aging, washing and drying the solid material to obtain the high-density spherical nickel-cobalt-aluminum precursor material. The aluminum element in the high-density spherical nickel-cobalt-aluminum precursor material provided by the invention can be combined with nickel and cobalt elements evenly; and the tap density of the high-density spherical nickel-cobalt-aluminum precursor material is higher.

An improved process calcining a gypsum / cellulosic fiber slurry to produce a composite gypsum / cellulosic fiber product resides in adding a selected crystal modifier to the gypsum / cellulosic fiber slurry prior to the heating step to reduce the time necessary to carry out the calcination process, to reduce the temperature at which the calcination process is run or to increase the aspect ratio of the acicular calcium sulfate alpha hemihydrate crystals formed during the calcination process. Useful crystal modifiers include aluminum sulfate, aluminum chloride, chlorine, zinc sulfate, iron (III) sulfate, aluminum sulfate hexadecahydrate, iron (II) sulfate heptahydrate, iron (III) sulfate pentahydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate, copper chloride dehydrate, manganese sulfate monohydrate and trisodium phosphate.

The present invention is directed to a process for manufacturing a carbonaceous sorbent, particularly activated carbon, that uses lower average residence times and / or higher operating temperatures to produce activated carbon having favorable properties for mercury collection.

The present invention discloses a process for producing nickel nanoparticles. The process involves heating a nickel precursor generated in situ in the presence of a carrier gas under conditions effective to decompose the nickel precursor and produce nickel nanoparticles.

A high-strength cast RE-contained Mg-alloy contains Nd (2.5-3.6 Wt%), Zr (0.35-0.8), Zn (0-0.4), Ca (0-0.5), impurities (0-0.02) and Mg (rest). It is prepared through smelting Mg, adding Nd, Zr and Ca in Mg-Nd, Mg-Zr and Mg-Ca alloy mode, adding Zn, solution treating at 525-540 deg.C for 4-12 hr, quenching in water and ageing at 200 deg.C for 12-20 hr. It has high strength, hardness and high-temp creep performance.

The invention discloses a heating method used for preventing the high carbon strip billet from decarburizing. The strip billet is heated in the heating furnace, and the heating process comprises the preheating period, heating period, and heat soaking period. The invention is characterized in that the micro positive pressure and the weak oxidizability environment are adopted during the heating process to heat the strip billet. In the invention method, the heating time is reduced, the standing time of the billet in the high temperature area is reduced, the depth of the decarburizing layer on the surface of the billet can be controlled in a shallow scope, the metal recovery ratio is enhanced; the fuel consumption is reduced, the energy is economized; and compared with the method of coating a protecting layer on the surface of the billet, the cost and the labor intensity are reduced.

The invention discloses a meal replacement protein powder solid beverage for managing the body weight and belongs to the field of nutrient foods. The solid beverage comprises the following components of soybean isolated protein, dried skim milk, whey protein concentrate, resistant dextrin, inulin, L-carnitine, a white kidney bean extract, a guarana extract, soy dietary fiber powder, pea fiber, oat fiber, erythritol, stevioside, phospholipid, Arabic gum, xanthan gum, pectin, alkalized cocoa powder, xylooligosaccharide and edible essence. By comprehensively considering the difference of nutrient components required by a human body at daytime and nighttime, the solid beverage disclosed by the invention is reasonable in formula matching and balanced in nutrition, and is the meal replacement solid beverage for supplementing the nutrients of the human body and controlling the body weight; the production process is simple and the drying is avoided; the damage to plant extracts and other components is prevented, so that the effects of nutrient components are guaranteed; besides, no sugar is added in the formula of the meal replacement protein powder solid beverage, so that the meal replacement protein powder solid beverage is suitable for being eaten by people with diabetes.

The invention discloses a soil washing restoration system based on a reduction concentration design concept and a method thereof. The washing restoration system comprises the following four module units which are sequentially connected with one another: a feeding and screening unit, an ore washing unit, a sludge dewatering unit and a tail-end sewage treatment recycling unit. The pollutants on the surface of coarse particles are eluted, transferred and concentrated into the filter-pressed mud cake by virtue of washing, so that pollutant-containing fine particles in contaminated soil can be effectively separated from crude particles such as gravel and grit. The repaired and discharged clean gravel and grit can be directly recycled to serve as building material. According to the system, purified water serves as a washing solution, so that secondary pollution caused by addition of a chemical washing agent is avoided, and the washing solution is treated by a tail-end sewage treatment system so as to be recycled. The reduction of remediation of contaminated soil is realized, the comprehensive repair cost is greatly reduced, the washed and discharged materials can be recycled, the contaminated soil is repaired, and a novel profit point is created.

Apparatus is disclosed for substantially reducing the momentum, velocity, or both of a first liquid that is flowing into a second liquid. The device allows one to substantially reduce or even eliminate large-scale turbulent eddies that could otherwise be produced by liquid flowing into or within a vessel, for example in a clarifier. Suitably-sized and positioned plates and baffles induce changes of flow direction in a limited volume. By the time the fluid leaves this volume, the fluid velocity is low, and turbulence is nearly or entirely eliminated. Several of the devices may be placed at different inputs within a single clarifier, and thus increase efficiency further.

A combination static mixer and heat exchanger having heat exchanger tubes (1) which are provided over their circumference with fins (2a, 2b) which have a static mixing effect.

The invention discloses a device for reducing and sorting food waste at the source, and belongs to the technical field of municipal environmental protection machinery. The device is characterized in that: food waste is poured into a feed system and is conveyed into a dehydration system, a sliding box is driven to slide in a housing through a propeller of the dehydration system, a extruding way or a beating way is adopted to complete the food waste dehydrating; the resulting sewage from the dehydration step enters a sewage box from a compression bin to enable a oil and water separation system to extract greases; the solid materials after completing the dehydration are pushed out from the compression bin and enter into a material discharge system; the solid materials are output through the material discharge system and wait for centralized processing. After being processed by the device provided by the present invention, the food waste is divided into three portions comprising the water, the greases and the solid materials so as to conveniently carry out post-treatments such as reuse production of the greases and the solid materials, regeneration treatment of the water source and the like. The device has characteristics of strong processing ability, low failure rate, high automaticity, simple and easy operation and maintenance, no requirement of chemical additives, high dehydration rate, short retention time of the food waste in the device, and the like, and is benefit for improving efficiency of resource reutilization production so as to achieve effect of energy saving and emission reduction.