31results about How to "Adjust reaction time" patented technology

The invention discloses spherical ferrate having a hollow structure and a preparation method thereof. The ferrate MFe2O4 is of a hollow-structured spherical particle formed by self-assembling of nanocrystals having a particle size of 10-50nm, wherein M is Co, Ni or Zn, the diameter of the particle is 0.1-1mu m, and the thickness of a shell layer is 30-200nm. The spherical ferrate can be used as a negative electrode material of a lithium ion battery.

The invention discloses a method for purifying vinosity, comprising an oxidation reduction reaction which is carried out on the surfaces of solid particles attached with TiO2 photochemical catalyst layers under the irradiation of ultraviolet light after the body is mixed with oxygen or ozone. The invention also discloses a device for realizing the method for purifying the vinosity. In the invention, multiple groups of ultraviolet light sources are evenly arranged at each part of a reaction chamber to directly irradiate the body and the surface of the photocatalyst; the ultraviolet light can efficiently decompose unsaturated compounds in the body, such as aldehydes, fusel oil, sulfide and other harmful components under the action of catalyst, eliminates impurities and peculiar smell in thewine, eliminates spicy, stimulated and bran taste of green wine, eliminates the off-flavor of edible alcohol, and deeply promotes the inherent quality of the wine.

The invention discloses a coal gasification device for a circulating fluidized bed. The coal gasification device comprises a start combustion chamber, a raising pipe and a primary cyclone separator, wherein the start combustion chamber is arranged at the lower end of the raising pipe; a slag discharge opening and a fuel inlet are further arranged in the lower end of the raising pipe; a pulverized coal inlet is arranged in the middle part of the raising pipe; a smoke outlet is arranged in the upper end of the raising pipe; the primary cyclone separator is connected with the smoke outlet of the raising pipe; an M-shaped material returner is arranged at the lower end of the primary cyclone separator; a material returning tuyere, a loosening tuyere and an ash discharge tuyere are respectively arranged at the bottom of the M-shaped material returner; a material returning pipe is arranged at the upper end of the material returning tuyere; an ash discharge pipe is arranged at the upper end of the ash discharge tuyere; and the material returning pipe is connected to the middle part of the raising pipe. According to the coal gasification device disclosed by the invention, ash discharge operations are carried out at the bottom of the raising pipe and inside the M-shaped material returner respectively. Compared with the situation of singly discharging slag at the bottom of the raising pipe in the prior art, the M-shaped material returner obviously has a lower carbon content.

In the invention, inorganic salt is as raw material including cadmium acetate, cadmium chloride or cadmium oxide. Solvent in high boiling point and strong polarity is selected as reaction medium. Surface-active agents: oleic acid, phospholipid, lecithin and polyvinyl alcohol pyridine are selected to modify surface of quantum point. Dispersed single material of semiconductor quantum point in adjustable size can be obtained through reaction in glass flask under lower reaction temperature 1l0 deg.C - 170 deg.C. Features of the invention are: easy to obtain all raw materials, low cost and toxicity, even dispersed single material of semiconductor quantum point in adjustable size.

The invention discloses a carbon-coated mesoporous lithium titanate anode material of a lithium ion battery and a method for preparing the carbon-coated mesoporous lithium titanate anode material. A particle aggregate with the diameter of 0.1 to 10 mu m is formed by self-assembling nano-crystals with the diameter of 5 to 150 nm. The material has a mesoporous structure, the average pore diameter of the material is 2 to 6 nm, and the carbon content of the material is 0.5 to 5 percent. A lithium titanate sample can serve as an anode material of the lithium ion battery.

The invention discloses a graphene oxide preparation method based on a secondary controllable electrochemical technology, belonging to the field of graphene oxide preparation. The invention aims to solve the problem that the composition and the structure of graphene oxide cannot be regulated and controlled by controlling reaction parameters in a conventional chemical oxidation method, and he problem that an electrochemical oxidation stripping method cannot realize controllable preparation of graphene oxide by directly taking natural crystalline flake graphite as a raw material. The graphene oxide preparation method based on the secondary controllable electrochemical technology in the invention comprises the following steps: carrying out an electrochemical oxidation intercalation reaction on natural flake graphite to obtain a graphite intercalation compound; then carrying out an electrochemical oxidation stripping reaction on the graphite intercalation compound to obtain electrochemicalgraphene oxide; and carrying out ultrasonic dispersion on an electrochemical graphene oxide electrolyte to obtain a stable graphene oxide dispersion liquid. The method is mainly used for preparing graphene oxide.

The invention discloses a preparation process of a two-dimensional Al-O-Cu-Fe single-crystalline-layer flaky material, and belongs to the field of preparation of two-dimensional flaky and catalytic materials. The preparation process includes the steps of conducting alloy material preparation according to the alloy atom ratio AlxCuyFez, wherein the sum of x, y and z is equal to 100, x is larger than or equal to 60 and smaller than or equal to 70, y is larger than or equal to 13 and smaller than or equal to 30, and z is larger than or equal to 10 and smaller than or equal to 17; preparing Al-Cu-Fe alloy strips through a vacuum rapid quenching melt-spinning method; preparing the two-dimensional Al-O-Cu-Fe single-crystalline-layer flaky material through the method of NaOH room-temperature chemical dealloying. The thickness of each flake layer is 30-50 nm, and the diameter of a single crystal wafer is between 2 micrometers and 6 micrometers. The flake layers are intercrossed to form pores, the pore size is 1-10 micrometers, and a porous structure is formed. The preparation process is simple, cost is low, the yield of the generated material of the two-dimensional flaky structure is high, and a solution is provided for industrially and controllably preparing the two-dimensional Al-O-Cu-Fe single-crystalline-layer flaky catalytic material.

The invention discloses a kit for rapidly detecting ischemia modified albumin in blood. The kit comprises a detection chip and a reagent bottle filled with detection reagents, wherein the detection chip comprises a non-absorbent bottom plate and a non-absorbent cover plate; a sample cell, a mixing cell and a detection cell are sequentially arranged on the bottom plate; micro pipelines are formed between the sample cell and the mixing cell and between the mixing cell and the detection cell; a sample pad is filled in the sample cell; a cobalt standard substance is coated on the sample pad; a detection pad is filled in the detection cell; a cobalt indicator is coated on the detection pad; the cover plate is fixedly arranged above the bottom plate; a sample injection hole is formed in a position, which is positioned above the sample cell, of the cover plate; and the detection reagents refer to phosphate buffer, borate buffer or Tris-HCl buffer. According to the kit disclosed by the invention, based on the principle of an albumin cobalt binding test, sample separation and detection analysis processes are integrated into a device, so that IMA detection is more convenient.

The present invention discloses the synthesis process of fire retardant Nú¼Níõ-ethylene bis-tetrabromo phthalimide and its screw thrust tubular reactor. Inside the screw thrust tubular reactor, phthalic anhydride and ethylene diamine are first condensated under no water condition to synthesize Nú¼Níõ-ethylene bis-phthalimide, and bromine is then dropped to produce bromination in fuming sulfuric acid as solvent and in the presence of multiple phase catalyst so as to produce Nú¼Níõ-ethylene bis-tetrabromo phthalimide. The process may include post-treatment steps of water washing, sand grinding, pressure filtering, stoving, etc. to obtain the target product fine white Nú¼Níõ-ethylene bis-tetrabromo phthalimide powder. It has no color change in high temperature roasting, and may be used in product with high color requirement.

The present invention relates to a catalytic cracking lift pipe reactor for hydrocarbon raw material. It comprises parallelly-arranged first reactor and second reactor and coaxially series-connected third reactor and fourth reactor, the upper ends of first and second reactors are serial-connected with lower end of third reactor, and is formed from prelift stage of lower portion and cracking reaction stage of upper portion, the bottom portion of its prelift stage is equipped with prelift gas inlet pipe, its lower portion is equipped with a catalyst inlet pipe, and the lower portion of its craking stage respectively is equipped with raw material oil inlet pipe nozzle, recycle oil and slurry oil inlet pipe nozzle. Said invention also provides the concrete structure of third and fourth reactors. Said invention can raise gasoline yield by 1%, and the olefin content in the produced gasoline can be reduced by 10-15%.

The invention provides a low-residue and high-insulation-strength aerosol fire extinguishing composition, which comprises the following material components by mass: 30%-60% of an oxidant, 20%-40% of areducing agent, 2%-10% of a performance regulator, 5%-10% of an adhesive and 10%-30% of a coating agent. According to the invention, the aerosol fire extinguishing composition is good in fire extinguishing effect and less in residue; the hot aerosol fire extinguishing agent particles are subjected to coating treatment, so that the aerosol fire extinguishing agent particles have high insulating strength, namely, the condition that conductive substances form on the surface of a sprayed object to corrode and damage equipment can be avoided; and the flame temperature is reduced, the combustion reaction is inhibited, and after-combustion is effectively prevented.