76results about How to "Flexible adjustment ratio" patented technology

The invention provides a light diffusion agent mother material used for a light diffusion film, a preparation method and application thereof. A light diffusion agent is compounded from organic polymer cross linking microspheres with different refractive indexes and grain diameters, the light diffusion agent mother material is prepared from 100 weight parts of polyester resin, 60 to 100 weight parts of compounded light diffusion agents and 1 to 7 weight parts of diffusion resin through high-speed diffusion and fused extrusion grain cutting by a double-screw extruding machine. The invention also provides a high-transparency heat-resistance light diffusion film prepared by using the light diffusion agent mother materials as additives. The light diffusion layer of the light diffusion film is formed by mixing the light diffusion agent mother materials and polyester slices according to the mixture ratio of 40 to 60 weight percent of polyester slices and 40 to 60 weight percent of the light diffusion agent mother materials. The light diffusion film prepared by the invention has high light transmission rate, high mist degree, excellent heat resistance performance and excellent dimension stability, and is particularly suitable for being used as the light diffusion film in a back light module of a large-dimension liquid crystal display.

The invention discloses a co-production method for methyl benzoic acid and phthalic acid. The co-production method comprises the following steps: (1) continuously introducing fresh dimethylbenzene, a catalyst and oxygen-containing gas into a primary oxidation reactor for a reaction to obtain a primary oxidation reaction solution containing methyl benzoic acid and an eight-carbon oxygen-contained compound; (2) carrying out continuous cooling, crystallization and filtration on the primary oxidation reaction solution to obtain filter liquor and filter cake, circulating 1-98% of the filter liquor back the primary oxidation reactor continuously, and continuous rectifying the filter cake continuously, to obtain a low-boiling point front cut fraction, distillation raffinate and a methyl benzoic acid product separately; (3) adding the remaining filter liquor in the step (2) and the obtained front cut fraction and distillation raffinate in the step (2) into a secondary oxidation reactor continuously, and meanwhile continuously introducing a Co/Mn/Br catalyst, acetic acid and oxygen-containing gas into the secondary oxidation reactor for an oxidation reaction to obtain a secondary oxidation reaction mixture; and (4) continuously cooling, crystallizing and filtrating the secondary oxidation reaction mixture to obtain a filter liquor and a phthalic acid product. The co-production method has advantages of a simple process, a low cost, a high yield, good selectivity, good economic benefits, and environmental protection.

The invention discloses a method for synchronously preparing hydrofluoroether and fluorine-containing olefine ether. The method for synchronously preparing the hydrofluoroether and the fluorine-containing olefine ether comprises the following steps of making fluorine-containing olefine react with alcohol in a solvent in the presence of a catalyst, and controlling reaction pressure to be 0.2MPa to 1.5MPa through regulating the introduction amount of the fluorine-containing olefine in a reaction process, wherein the molar ratio of the alcohol to the solvent to the catalyst is 1: (0.5 to 3): (0.1 to 1.5), and a reaction temperature is 50 DEG C to 150 DEG C; when the molar ratio of the introduction amount of the fluorine-containing olefine to the alcohol is (1.0 to 1.2): 1, terminating a reaction, and carrying out distillation separation to obtain products of the hydrofluoroether and the fluorine-containing olefine ether respectively. The method for synchronously preparing the hydrofluoroether and the fluorine-containing olefine ether has the advantages of being simple in technique, high in operating flexibility, low in cost, green and environmentally-friendly.

The invention relates to a titanium alloy laser cladding surface reinforcing method which comprises the following steps: mixing the following components by weight: 50-100% of Co42 cobalt-based self-fluxing alloy powder, 0-50% of B4C0, 0-50% of SiC, 0-39% of TiN, 0-1.5% of Y2O and 0-1.5% of CeO2, uniformly blending the mixture powder into paste by using a sodium silicate solution, uniformly coating the paste mixture powder on the surface of a titanium alloy, keeping the coating uniform in thickness, drying in air naturally, and performing laser cladding on the coating on the surface of the titanium alloy. By the adoption of the method provided by the invention, the microstructure of a cladding layer can be improved, and the hardness and the wear-resistance of the cladding layer can be further improved.

The invention discloses a method and a system for producing gasoline and propylene by integrating heavy oil catalytic cracking with oxygen-containing compound conversion. The oil-gas separation part of the conventional heavy oil catalytic cracking device is integrated with a fixed bed reactor group for oxygen-containing compound catalytic conversion. The propylene and the gasoline are prepared from part of rich gas components in an oil-gas separator on the top of a catalytic cracking fractionating tower in an oil refinery and dry gas, light olefin components and organic oxygen-containing compounds from other crude oil secondary processing devices serving as raw materials under the action of a special catalyst, so that raw materials for catalytic cracking processing are expanded, the propylene yield of a catalytic cracking process is improved and the yield and quality of the gasoline can be improved. The invention provides a method and a device for increasing the yield of catalytic cracking gasoline and the propylene. The yield of catalytic cracking light olefin and the ratio of olefin products can be flexibly adjusted by only integrating the heavy oil catalytic cracking device with an oxygen-containing compound device; and the method and the system have the advantages of simple process, mature technology, small investment and easy implementation.

The invention relates to a solar vacuum tube heating and ventilation device integrated with buildings. A plurality vacuum collector tubes are densely distributed without clearance and embedded into a building structural layer through a back heat preserving plate. Each vacuum collector tube is a trough type full glass vacuum solar collector tube, an inner cavity of the vacuum collector tube serves as an air heating passage, an air inlet passage is arranged below the inner cavity, one end of the air inlet passage is provided with a fresh air port which can be opened and closed and leads to the exterior, and the other end of the vacuum collector tube an air return port vacuum collector which can be opened and closed and leads to the interior. An air outlet passage is arranged above each vacuum collector tube, one end of the air outlet passage is provided with an air outlet which can be opened and closed and leads to the exterior, and the other end of the air outlet passage is provided with an air inlet which can be opened and closed and leads to the interior. The vacuum tube solar collecting device is integrated with buildings in appearance, the good heat preservation performance of vacuum tubes are used for heat preservation and heat insulation of buildings, and the solar vacuum tube heating and ventilation device has multiple functions of heating, ventilation, heating fresh air and the like.

The invention discloses a high-rigidity high-transparency polypropylene composite material, and belongs to the technical field of high polymer alloy materials. The high-rigidity high-transparency polypropylene composite material is compounded by 2-4wt% of nanoscale barium sulfate master batch, 0.1-0.3wt% p-tertiary butyl hydroxyl aluminum benzoate and 0.1-0.3wt% sorbitol acetal as a nucleating agent of polypropylene. According to the high-rigidity high-transparency polypropylene composite material, the nanoscale barium sulfate master batch is added to achieve a certain compatible effect on two nucleating agents, so that the two nucleating agents are prevented from resisting against each other; and meanwhile, the effects of nucleating heterogeneously, promoting the polypropylene to quicken crystallization and refining spherocrystal effects are achieved, so that the rigidity and the transparency of a PP (polypropylene) product are further improved.

The invention provides a method for purifying ursodeoxycholic acid by a mixed solvent, which comprises three steps of preparing the mixed solvent, washing a cholic acid mixture and drying to obtain the ursodeoxycholic acid. The method is characterized by using the mixed solvent prepared from 1-80 parts of small molecule alcohol and 99-20 parts of small molecule ester by weight. The mixed solvent can selectively dissolve impurities of chenodeoxycholic acid, and the like in the cholic acid mixture and reserve the ursodeoxycholic acid. The mixed solvent not only reserves strong dissolving capacity of alcohol on the chenodeoxycholic acid, but also reserves the characteristic of ester for selectively dissolving the chenodeoxycholic acid. Under the premise of the same production capacity, the method for purifying the ursodeoxycholic acid of the invention can obviously reduce the consumption of organic solvent, saves the energy consumption of solvent recovery, and is suitable for preparing high purity ursodeoxycholic acid.

The invention discloses a tough anti-electrostatic double-network silicone hydrogel and a preparation method thereof. The double-network structure consists of a first macromolecule network and a second macromolecule network in mutual intersection, wherein the first macromolecule network is a cross-linking network which is formed by forming a carbon chain polymer prepared by free radicals through addition polymerization and by implementing chemical cross-linking or a hydrophobic association function; and the second macromolecule network is a cross-linking network which is formed by forming a silicon-containing polymer by a silicon-containing monomer through condensation polymerization and by implementing a hydrogen bond function. As an alkene monomer and a silicon monomer are dissolved intoa same system, one-step molding can be achieved through different polymerization mechanisms, processes such as first network drying and secondary swelling can be avoided, the preparation method is simple, the time is short, the production efficiency is high, the cost is low, the obtained double-network silicone hydrogel has excellent toughness, anti-fatigue performance, self recovery and anti-electrostatic properties and is beneficial to industrialization, and the application range of the hydrogel can be widened.

The invention discloses a clean recycling technology of an air purification carbon material. According to the technology, as for filtered air purification activated carbon, the composition of a catalyst on the activated carbon is analyzed, an activated carbon recycling material formed by acid and a strong oxidant is adjusted according to ingredients, and normal-temperature and efficient recyclingof the activated carbon is realized in an impregnation, drying and reactivating manner. By means of the technology, regeneration of industrial and civil activated carbon can be realized, the use costis reduced, the development of circular economy is realized, environmental protection is realized and discharging is reduced.

The invention provides a continuous carbonization furnace which comprises a rotary furnace, a feeding device and a blanking device, wherein the feeding device and the blanking devices are respectively connected to the two ends of the rotary furnace; the carbonization furnace also comprises a combustion chamber, a flame path and a flue gas channel; an inner cavity of the rotary furnace is provided with a flue gas heat exchange channel, the channel wall of the flue gas heat exchange channel is a heat-conducting wall, the flue gas heat exchange channel is provided with a flue gas inlet and a flue gas outlet, the flue gas inlet of the flue gas heat exchange channel is communicated with the combustion chamber through the flame path, and the flue gas heat exchange channel extends from the flue gas inlet to the flue gas outlet along a direction from a blanking port to a feed inlet; the flue gas channel is communicated with the combustion chamber and the inner cavity of the rotary furnace; the inner cavity of the rotary furnace comprises an outer hot area and an inner hot area, the area on one side of the inner cavity of the rotary furnace and provided with the flue gas heat exchange channel is the outer hot area, and the area on the other side is the inner hot area. The continuous carbonization furnace disclosed by the invention is small in occupied land and low in cost, solves a problem that pipelines are easily blocked, and improves the utilization rate of energy, and also can flexibly adjust the proportion of pyrolysis products, therefore, the continuous carbonization furnace has strong adaptability to production requirements.

Provided is a method for shortening the oxidoreduction time of crude copper in an anode furnace. At present, pyro-refining is carried out on crude copper, it is commonly required that oxidation finishing temperature at least reaches 1,150 DEG C in operation in most enterprises in the industry to prevent reduction finishing temperature from being too low, it is required that the oxidation finishing temperature reaches 1,200 DEG C in part of copper smelting enterprises, and oxidation is finished at this moment. The crude copper has reduction conditions. By means of the method, the oxidoreduction time of the crude copper in the anode furnace is shortened, cost is saved, and efficiency is improved.

The invention belongs to the technical field of sports equipment, and particularly relates to a golf tee and a preparation method thereof. The golf tee is mainly prepared from gum-containing pine barks, elm barks and/or banyan barks and cassava, and extra binders are omitted. The preparation method includes the steps: firstly, collecting and crushing various raw materials; secondly, performing high-temperature treatment and extrusion to form the golf tee. The method is simple in preparation process and convenient in operation. The golf tee turns into soil particles within 2 minutes when touching water, the golf tee can be effectively combined with soil and can be absorbed by a lawn after degradation to generate fertilizers, the problems of foot and tire stabbing properties and difficulty in recovery of other tees are solved, a large number of manpower and material resources are saved, and environments are protected. Besides, the transverse pressure resistance of the golf tee is 3-5 kilograms, the vertical pressure resistance of the golf tee is 15-20 kilograms, the golf tee is broken once being hit, a golf club cannot be blocked, and technical indexes of the golf tee are variously demonstrated at home and abroad to prove that the golf club cannot be damaged, and accuracy is improved.

The invention discloses a directional high thermal conductivity uranium dioxide pellet and a preparation method thereof, and solves the problem of low thermal conductivity of uranium dioxide in the prior art, especially low radial thermal conductivity which easily leads to safety accidents. The directional high thermal conductivity uranium dioxide pellet disclosed by the invention is prepared fromuranium dioxide powder and flake graphite which serve as raw materials, and the flake graphite is aligned in a horizontal direction in a uranium dioxide pellet. The preparation method disclosed by the invention comprises the following steps: uniformly mixing the uranium dioxide powder with the flake graphite serving as the raw materials, oscillating the mixed powder to enable the flake graphite to be aligned in the horizontal direction in the mixed powder, and then performing high temperature sintering to obtain the directional high thermal conductivity uranium dioxide pellet. The directionalhigh thermal conductivity uranium dioxide pellet is scientific in design, and the method is simple; the radial thermal conductivity of the uranium dioxide pellet can be obviously improved, and the safety of a fuel assembly is improved.

The invention discloses a method for co-producing 3,5-dimethylbenzoic acid and trimesic acid. The method comprises the steps that mesitylene is taken as raw materials and processed through first-time oxidizing, first-time separating, secondary oxidizing, secondary separating, curing and third-time separating, and then the 3,5-dimethylbenzoic acid and the trimesic acid are obtained. The method has the advantages of being simple in technology, low in cost, high in yield, good in selectivity, green and environmentally friendly.

The invention provides a traceable financial market transaction guarantee management method and device, equipment and a medium. The method comprises the following steps: establishing at least one credit voucher of a target customer, and establishing at least one pledge voucher of the target customer; when the target customer initiates a financial transaction, according to the transaction amount of the financial transaction, occupying the available balance of a part of the credit voucher, the available balance of a part of the pledge voucher and the available balance of a part of the deposit account of the target customer; and when it is determined that the transaction amount in the duration is changed, releasing a preset amount of occupied available balance according to the change amount of the transaction amount. According to the method, the proportion of different types of guarantee occupied by each transaction can be flexibly adjusted, real-time release of the guarantee after each transaction is finished is supported, bank risks can be reduced, flexible occupation and release of customer funds are realized, and customer marketing by branch banks is facilitated.

The invention discloses a double-liquid grouting device for leaking stoppage and emergency rescue of foundation pit engineering and a construction method. The double-liquid grouting device comprises an inner pipe, an outer pipe, a first slurry pump and a second slurry pump, wherein the outer pipe is sleeved with the inner pipe, the inner pipe is connected with the first slurry pump, the outer pipe is connected with the second slurry pump, the inner pipe and the outer pipe are both in an L shape, a first pouring opening is formed in the upper end of the inner pipe, the upper end of the outer pipe is provided with a second pouring opening, the lower end of the inner pipe is provided with a mixing section, the mixing section is located in the outer pipe, the inner pipe and the outer pipe are connected in a sleeved mode, the field operation space can be saved, the mixing section is arranged at the lower end of the inner pipe, the proportion of cement paste and water glass can be flexibly adjusted, therefore, the cement paste and the water glass are fully mixed to achieve the purpose of blocking water leakage.

The invention relates to a method for producing liquid oxygen and liquid nitrogen through LNG cold energy and a single-tower rectification technology, and belongs to the field of air separation-LNG utilization. The method comprises the steps of purifying, cooling, rectifying, and LNG cold energy conversion. According to the method, the liquid oxygen, the liquid nitrogen or gaseous nitrogen is generated through the single-tower rectification technology of a main rectification tower and an argon tower, cold energy for main rectification tower top condensation, gaseous nitrogen condensation and air pre-condensation comes from the processes of evaporating, heat exchange, compression, heat exchange and condensation of a refrigerant, and low-temperature whole process cold energy released duringLNG normal pressure gasification is sufficiently recycled by the refrigerant to serve as cold energy required in the air separation process. The circulation process of the refrigerant is simple and convenient, and the refrigerant can recycle 90% or above of the cold energy released during LNG gasification; the gaseous nitrogen of which the purity is higher than 99.99% and the pressure is higher than 0.5MPa, the liquid nitrogen of which the purity is higher than 99.99% and the pressure is higher than 0.5MPa, and the liquid oxygen of which the purity is higher than 99.6% and the pressure is higher than 0.5MPa are obtained, and the power consumption of the liquid oxygen and nitrogen is smaller than 300KW/t; and it can be achieved that production of conventional air separation gas products ofthe same scale is completed through small-size equipment.