31results about How to "Avoid direct mixing" patented technology

The invention provides a method for converting methane into aliphatic hydrocarbon, a fuel cell and a method for preparing the fuel cell. The method for converting methane into aliphatic hydrocarbon ischaracterized in that the fuel cell is established, an oxygen-containing material is used to purge a cathode of the fuel cell, and an electrochemical reaction is carried out to generate oxygen ions;the oxygen ions are moved to an anode of the fuel cell through an electrolyte, the anode contains a methane oxidative coupling catalyst, when the methane-containing feed flow purges the anode of the fuel cell, the methane is subjected to a coupling reaction under the action of the oxygen ions and the methane oxidative coupling catalyst to generate aliphatic hydrocarbon. The fuel cell comprises thecathode, a cathode transition layer, the electrolyte and the anode. The anode is composed of the methane oxidative coupling catalyst and an inert conductive metal material, the electrolyte is an oxygen ion conductor type ceramic material, and the cathode transition layer is a mixture of the cathode and an electrolyte material. The method of the invention has high selectivity to hydrocarbon products and improves reaction safety.

The invention provides a disposal method and a device used for disposing explosion waste gas, consisting of a separator, a high-efficiency filter, a molecular sieve drier, a NOx adsorbing device, a NOx reducer, a burner, a deodorizer, a circulation fan, an electric heater, etc. The disposal method of the invention comprises the steps as follows: a: waste gas disposal process: the explosion waste gas is disposed by a cyclone filter, the high-efficiency filter, a molecular sieve dehydrator, the NOx adsorbing device and the deodorizer, burned by entering the burner and is exhausted; b: system inerting process: the air feeding of the waste gas disposal device is cut off, nitrogen is filled into the system so as to lead the oxygen content to be less than 2%; c: desorption and reducing process:the circulation fan is started; gas circulation between the circulation fan, the gas electric heater, the NOx reducer and the NOx adsorbing device is established, the reducing gas is filled into the system, the gas electric heater is started, the temperature of the circulation gas is gradually increased, the NOx is de-adsorbed and reduced as N2. After continuous running, the content of the NOx achieves the exhaust standard requirement.

An embodiment of the present invention provides a quantum dot display panel and a quantum dot display device. The quantum dot display panel includes: a backlight module composed of an ultraviolet light backlight module and a white light backlight module; The color film structure and the white light transmission area, the quantum dot color film structure covers the ultraviolet light backlight module, and the white light transmission area covers the white light backlight module; the red light quantum dot color film structure has multiple red light quantum dot structures, and the green light quantum dot color film The vertical projections of the multiple green light quantum dot substructures of the structure, the multiple blue light quantum dot substructures of the blue light quantum dot color film structure, and the multiple white light transmission subregions of the white light transmission region on the plane where the backlight module is located do not overlap. The technical solution provided by the embodiment of the present invention avoids the use of color filters and improves luminous efficiency; optimizes the performance of quantum dots to ensure the reliability of the color filter structure; directly enhances the display brightness through the white light transmission area to maximize the energy of the backlight source use.

The invention relates to a fluorescent thin film structure for an LED, a preparation method thereof and a light-emitting light source. The fluorescent thin film structure for an LED comprises a firsttransparent thin film, phosphor powder applied on the upper surface of the first transparent thin film and a second transparent thin film bonded to the first transparent thin film coated with the phosphor powder. The preparation method of the fluorescent thin film structure for an LED includes: obtaining a first transparent thin film, obtaining a second transparent thin film, applying phosphor powder on the upper surface of the first transparent thin film, and bonding the second transparent thin film to the upper surface of the first transparent thin film coated with the phosphor powder. An LED light-emitting light source includes the fluorescent thin film structure for an LED. The invention solves the problems of fluorescent powder precipitation and poor consistency of light and color inthe packaging process, meanwhile shortens the packaging process and reduces the production cost.

The invention discloses a flame-retardant phase-change microcapsule and a preparation method thereof, and relates to the technical field of energy-saving materials. The capsule contains an organic phase-change material and a capsule wall wrapping the organic phase-change material; the general formula of the organic phase-change material is C n h 2n+2 straight-chain or branched-chain alkanes, the general formula is C n h 2n The higher fatty acid of COOH, the general formula is C n h 2n One or more of the higher fatty alcohols of OH, wherein, n=12-32; the capsule wall is made of phosphorus-containing diamine monomer, melamine, formaldehyde solution, emulsifier and deionized water. The flame-retardant phase-change microcapsules of the present invention use phosphorus-containing melamine-formaldehyde resin as the capsule wall material, which greatly improves the flame-retardant performance of the phase-change microcapsules, makes up for the flammability defects of organic phase-change materials, and can also avoid The direct mixing of flame retardants and organic phase change materials ensures that the phase change microcapsules have a high energy storage density.

The present invention provides an X waveband frequency conversion assembly. The assembly includes: a first frequency multiplier, a first mixer, a first filtering amplifier, a second mixer, a second filtering amplifier, a first frequency divider, a third mixer, a third filtering amplifier, a first power divider, a second power divider, a second frequency multiplier and a second frequency divider, wherein the input end of the first frequency multiplier receives an intermediate frequency signal; the input end of the first power divider receives a high frequency local oscillator signal; an output end of the first frequency multiplier is connected to the input end of the third filtering amplifier sequentially via the first mixer, the first filtering amplifier, the second mixer, the second filtering amplifier, the first frequency divider and the third mixer; the output end of the first power divider is divided into two paths, one path is directly connected to the first mixer, while the other path is connected to the second power divider; and the output end of the second power divider is divided into two paths, one path is connected to the second mixer via the second frequency multiplier, while the other path is connected to the third mixer via the second frequency divider. The X waveband frequency conversion assembly of the present invention can increase frequency conversion stability.

The invention provides a preparation method of a quantum dot display panel and a quantum dot display panel. The preparation method comprises: preparing a red light quantum dot solution and a green light quantum dot solution whose external ligands are magnetic; A magnetic material covers the first region of the transparent substrate, and a second magnetic material with a second Curie point temperature covers the second region of the transparent substrate; the first region, the second region and the third region without deposition do not overlap each other , to obtain the magnetic deposition substrate; the magnetic deposition substrate is immersed in the red light quantum dot solution to obtain the red light quantum dot color film structure, and is immersed in the green light quantum dot solution to obtain the green light quantum dot color film structure and the quantum dot color film substrate; the quantum dot color film substrate is set in the blue light On the light emitting side of the backlight module, the blue light reflective layer is located on the side of the quantum dot color film substrate away from the blue light backlight module. The technical solution provided by the invention avoids the use of color filters, avoids the waste of blue light, optimizes the performance of quantum dots, and improves luminous efficiency.

The invention relates to a novel shaped phase-change material and a preparation method thereof. The novel shaped phase-change material is prepared from the following raw materials in parts by weight: 1-10 parts of acrylic monomers, 1-10 parts of phosphate ester functional monomer, 0.005-0.03 parts of initiator, 10-40 parts of organic phase-change materials, 50-90 parts of deionized water and 0.1-1 part of emulsifier. The novel shaped phase-change material is excellent in performance, safe and environment-friendly, not only can play good fire retardation by modification on a capsule wall through phosphate, but also compensates the defects of inflammable performance of the organic phase-change material, as a phosphate ester group is led to the capsule wall, the flame retardant property of the phase-change material is greatly improved, application of the phase-change material in the energy-saving field is expanded, direct mixing of the fire retardant and a phase-change master batch also can be avoided, high phase-change enthalpy of the phase-change material is ensured, and negative effects caused by the heat storage performance of the phase-change material is avoided.

The invention relates to a fluidized bed and fixed bed combination type catalytic gasification apparatus and a fluidized bed and fixed bed combination type catalytic gasification method. A purpose ofthe present invention is to solve the problems of low carbon conversion rate, low gasification intensity, low methane yield, and poor operation stability and poor reliability of the gasification furnace in the prior art. The technical scheme of the present invention comprises that the fluidized bed and fixed bed combination type catalytic gasification apparatus comprises a fluidized bed gasification section on the upper portion and a fixed bed gasification section on the lower portion, the two gasification sections are connected by using a throat, a raw material inlet, a circulation synthesisgas inlet, a first-stage return material inlet and a gas distributor are arranged in the fluidized bed gasification section, and a furnace grate and a second-stage return material inlet are arranged in the fixed bed gasification section. The fluidized bed and fixed bed combination type catalytic gasification method mainly comprises that a carbon-containing raw material, a catalyst, the semi-coke particles of a first-stage return material, circulation synthesis gas and high-temperature mixed gas are subjected to pyrolysis, gasification and methanation in the fluidized bed gasification section,the incompletely-reacted coarse residue and second-stage fine ash particles enter the fixed bed gasification section, and a combustion gasification reaction is performed. With the technical scheme ofthe present invention, the problem in the prior art is well solved. The apparatus and the method of the present invention can be used in the field of the preparation of methane-rich synthesis gas fromcoal.

The invention provides a flame-retardant phase-change energy storage microcapsule and a preparation method thereof, and relates to the technical field of energy-saving materials. The capsule comprises an organic phase-change material and a capsule wall wrapping the organic phase-change material; the general formula of the organic phase-change material is C n H 2n+2 alkanes, the general formula is C n H 2n The higher fatty alcohol of OH, the general formula is C n H 2n One or more of the higher fatty acids of COOH, wherein n=12~28; the capsule wall is made of N,N-bis(2-hydroxyethyl)aminomethylenephosphonate diethyl ester, polyol, polyisocyanate and polyamines. The flame-retardant phase-change microcapsules of the invention use phosphorus-containing polyurethane / polyurea resin as the wall material, which greatly improves the flame-retardant performance of the phase-change microcapsules, makes up for the flammability of organic phase-change materials, and expands the Application of phase change materials in the field of energy storage. The invention has the advantages of simple and easily controllable reaction process, short production period and low production cost.