67results about How to "Suitable for continuous operation" patented technology

The invention provides a method for preparing 4-amino diphenylamine by catalytic hydrogenation. The method adopts two sections of hydrogenation reaction processes, and comprises the following steps: performing the condensation reaction of condensation solution formed by the condensation reaction of nitrobenzene and aniline which serve as raw materials under an alkaline condition by using using a noble metal hydrogenation catalyst and a nickel catalyst sequentially so as to make the conversion rate of 4-nitroso diphenylamine, 4-nitro diphenylamine and azoxybenzene achieve 100 percent; and separating the noble metal hydrogenation catalyst and the nickel catalyst by using a two-stage membrane separation component system to avoid the loss of small particles of catalyst. At the same time, the method has high degree of automation and can easily realize the continuous hydrogenation process.

A large phase ratio liquid-liquid two-phase continuous extraction apparatus belongs to the field of liquid-liquid extraction and separation. The apparatus contains a tower body, a gas buffer chamber, a liquid film aggregation device, liquid film dispersers, a liquid film distributor, an air-pressure chamber and the like. The liquid film dispersers and the liquid film distributor can be combined together to realize dispersion of small-volume organic phase by the use of tiny bubbles, thus solving the problem that it is not easy to fully disperse small-volume organic phase by a traditional stirring mode. The phase ratio of a light phase to a heavy phase flowing upstream in the tower body can be adjusted by the interlayer gap of the liquid film distributor. The light phase and the heavy phase can be operated by counter current under the condition of super-large phase ratio. A liquid film disperser and a bubble connection cap are arranged at intervals in the tower body, so as to realize repeated coagulation and dispersion of rising bubbles and achieve high stage efficiency of height of mass transfer unit. A liquid film aggregation device on the top of the tower can be used for bubble coagulation and demulsification and is suitable for extraction operation of an easily-emulsified system. The apparatus provided by the invention is applicable to continuous countercurrent operation under the condition of multi-stage series connection.

The invention discloses a horizontal helical solid-liquid mixing unit, which comprises a speed regulating motor, a bearing pedestal and a cylindrical mixing chamber, wherein the feeding end of the mixing chamber is provided with a solid feed opening and a liquid feed opening, and the discharging end of the mixing chamber is provided with a discharge opening and an exhaust opening; the bottom of the mixing chamber is provided with a cleaning opening; the center of a cylinder is provided with a stirring shaft both ends of which are connected with the bearing pedestal through a rotating shaft respectively; the speed regulating motor drives the rotating shaft to rotate; a helical pitched turbine paddle is fixed on the stirring shaft, and the angle of the helical pitched turbine paddle which is inclined to the stirring shaft is between 2 and 6 DEG; and the inclination angle of a blade of the helical pitched turbine paddle and a disc surface is between 3 and 9 DEG. Compared with the prior art, the mixing unit has high mixing efficiency, high speed and uniform mixing of materials, does not leave dead angle, and is suitable for continuous operation. Moreover, the device has a simple overall structure, and is convenient to assemble, disassemble and clean.

The invention discloses a processing method and system for inferior crude oil. The method comprises the steps as follows: a, feeding hydrogen-containing gas and the inferior crude oil into a fluidized bed hydrogen absorption zone (I) of a fluidized bed riser reactor for contact with a first catalytic cracking catalyst and a hydrogen adsorption reaction to obtain a hydrogen absorption product; b, feeding the hydrogen absorption product obtained in the step a into a riser cracking zone (II) of the fluidized bed riser reactor for contact with a second catalytic cracking catalyst and a catalytic cracking reaction to obtain catalytic cracked oil-gas. The inferior crude oil processed by the system with the method has the advantages that the conversion rate of the inferior crude oil can be increased substantially, the yield of dry gas and coke is reduced, and accordingly, clean and efficient use of the inferior crude oil is realized.

The invention relates to a smoke semi-closed circulating lignite straight pipe type airflow drying method, which ensures the safety and reliability of a device and makes the maximization of the device possible through direct combustion of lignite to generate smoke, once drying of a straight pipe type airflow dryer to meet the moisture requirement of a product, large-grain inertia setting, collection of a fine grain bag type dust collector, even blending of large grains and fine grains through a blending device, emptying and air quantity control through a mixed temperature fan and a booster fan.

The invention relates to a column type extraction device for pipe bundle multi-channel phase-dispersing; a main shaft is arranged inside the column type extraction device; two or at least three hollow thin tubes in parallel to the main shaft are distributed on the outer circumference of the main shaft; one end of each hollow thin tube is provided with a straight tube, and the other end of the hollow thin tube is bent to form a flanged bend; the bending direction of the flanged bend is the remote direction of a mounting shaft; the main shaft is connected with an electric motor, and drives the hollow thin tubes to carry out motion at a same speed with the main shaft when the main shaft rotates. The column type extraction device disclosed by the invention solves the difficult problems that a water phase or an oil phase with relatively small volume is difficult to disperse completely in the conventional mechanical stirring manner when the volume ratio of the water phase to the oil phase in an extraction process is large; and the difficult problems that the water phase and the oil phase are difficult to clarify and separate in an extraction system and the like caused by easy emulsification are also solved when the flow-rate ratio of the water phase to the oil phase is large.

The invention provides a deep impurity removal method for cell-grade lithium chloride. The method comprises the following steps: a lithium-containing solution is subjected to preliminary impurity removal, then pH is regulated to 10-12, the solution passes through a chelating cation exchange resin column, so that bivalent or higher metal cations in the lithium-containing solution are adsorbed, a lithium-containing purified liquid is obtained and is evaporated, crystallized and dried, and cell-grade lithium chloride is obtained; then the chelating cation exchange resin column is replaced with deionized water, pickled with a hydrochloric acid solution and subjected to reacted acid washing with deionized water, alkaline washing with a sodium hydroxide solution and residual alkali washing withthe deionized water sequentially, and the recyclable chelating cation exchange resin column is obtained. According to the deep impurity removal method for cell-grade lithium chloride, deep impurity removal of cell-grade lithium chloride can be completed once, cell grade is reached, precipitates cannot be produced, impurity removal cost and environmental protection risks are reduced, lithium recovery rate is increased, and the chelating cation exchange resin column is recyclable, so that the impurity removal cost is saved.

The invention discloses a nano lithium titanate-graphene composite material and a preparation method therefor. A graphene material is prepared into a graphene super-dispersion liquid firstly; ball-milled super-lithium titanate nano powder is mixed through a high-voltage micro-jet-flow technology to obtain the nano lithium titanate-graphene composite material; and next, a step of spraying and drying is performed to prepare the spherical lithium titanate-graphene composite material. The invention also relates to the nano lithium titanate-graphene composite material prepared by the abovementioned preparation method.

The invention discloses a facility cultivation technique for crop rotation of stropharia rugosoannulata and rice, and belongs to the technical field of edible mushroom cultivation. The facility cultivation technique includes the steps of fermentation of a culture material, construction of a mushroom shed, construction of a ridged bed, seeding, mycelium management and protection, mushroom cultivation and harvesting, and rice planting and harvesting. After the components of the culture material are subjected to composting and fermentation separately, layered laying is adopted, so that nutrient and oxygen supply in the development process of mycelia and fruiting bodies is ensured, the whole fruiting is uniform, the fruiting rate is stable, the total yield is high, the quality is good, the planting cycle is short, and the continuous cropping obstacles can be solved by crop rotation of the stropharia rugosoannulata and rice.

The invention relates to a sand box turning mechanism, which comprises a friction wheel and a box turning machine wheel, wherein the friction wheel is driven by a motor; the box turning machine wheel is connected with a turned sand box; and the friction acting surface of the outer rim of the friction wheel and the outer rim surface of the sand box machine wheel form a group of interactional friction surfaces. A frictional transmission mechanism is driven by the motor, so that the automatic control performance of the box turning mechanism is improved.

The invention relates to the technical field of chemical engineering and particularly relates to an UV-curable strippable ink as well as a production and construction methods of the UV-curable strippable ink. The UV-curable strippable ink disclosed by the invention has the advantages of low viscosity, good thixotropy, short curing time and no need of high temperature baking during the curing process, can improve the curing efficiency and is suitable for continuous operation; since the UV-curable strippable ink contains no volatile substances, such substances harmful to human bodies and the device as HCl and oil fume cannot be produced and the UV-curable strippable ink is in full compliance with requirement for environment protection; the production method of the UV-curable strippable ink is simple in process and low in cost; according to the construction method of the UV-curable strippable ink, the UV-curable strippable ink is not adhered to a board during the screen printing process and is easy to strip in the later manufacturing procedure, does not pollute a substrate and has good toughness and acid-alkali resistance, and the yield rate in the manufacturing procedure can be preferably improved.

The invention relates to a clean process method for synthesizing trimethylaluminum. A trace amount of dimethyl aluminum chloride is generated in a reaction product of the following formula: 2Al + 3CH3Cl = CH3AlCl2.(CH3)2AlCl, a compound of formula MAl(CH3)4 is used to reduce the chlorine content of the trimethylaluminum, M is a Group IA element including lithium, sodium, and potassium; NaAl(CH3)4tetramethylaluminum sodium is adopted, and the dimethyl aluminum chloride is eliminated. Through removing the residual chlorine in the trimethylaluminum by using the tetramethylaluminum sodium, and recovering the tetramethylaluminum sodium, and converting the tetramethylaluminum sodium into methylaluminum chloride to be used as an initial raw material, the clean process method for synthesizing thetrimethylaluminum is a green process without three wastes.

The invention relates to a method for hoisting an open type groove body with large volume and small rigidity, which is characterized by comprising the following steps of: a, providing a longitudinal beam (1); b, providing two transverse beams (3); c, correspondingly manufacturing four lifting eye plates (2) by using four connecting plates (10) of a base of the groove body per se, and connecting the four lifting eye plates (2) to the connecting plates (10) of the base of the groove body by using bolts, to be used as hoisting points outside the groove body; d, providing four steel wire ropes (7); e, hoisting with a crane, wherein two lifting eyes (5) on the longitudinal beam (1) are used as main hoisting points of the crane and the four lifting eye plates (2) on the base of the groove body are used as auxiliary hoisting points, the main hosting points and the auxiliary hoisting points jointly form a stress system to ensure that the groove body can be uniformly stressed; and f, after thegroove body (9) is hoisted in place, disassembling the longitudinal beam (1), the two transverse beams (3) and the four lifting eye plates (2), and continuing to carry out the hoisting on the next groove body.

The invention discloses a fluid catalytic cracking method of shale oil. By introducing a low temperature catalyst, the reactor area is divided into a fluidized bed adsorption area and a riser cracking area. In a non-hydrogen atmosphere, shale oil enters the fluidized bed adsorption area with a lower temperature, impurities such as alkaline nitrides, colloids, heavy metals, and the like are removed through adsorption, then shale oil is introduced into the riser cracking area, and in the riser cracking area, shale oil is contacted with a reclaiming agent with a high temperature and high activity to carry out catalytic cracking reactions. The provided method has the advantages that the shale oil conversion performance is strong, the yield of dry gas and coke is low, and the yield of liquid product is high.

The invention relates to the technical field of circle equal-division indexing, in particular to a simple circle equal-division indexing device capable of continuously rotating. The device comprises arotating module, a pushing module and a positioning module; the rotating module comprises a substrate, a wear resisting ring, an indexing ring, a fixed key, a revolving base, a rolling bearing, an elastic retainer ring and a pin shaft; the pushing module comprises a pushing cylinder, a torsion spring mounting base, a torsion spring shaft, a torsion spring and a pallet; and the positioning modulecomprises a positioning cylinder, an indexing circle pressure block, a positioning bearing, a bearing pin, a guide key, a cylinder mounting base and a cylinder joint. The device has the following beneficial effects: the structure is relatively simple; no complicated driving element is provided; when the circle equal-division indexing is realized, the one-way peripheral rotation is realized to meetthe working condition of continuous operation; and the driving and the positioning are realized through the cylinder to provide high-precision circle equal-division indexing, so that no person needsto participate in the process, the device can be suitable for bad working conditions incapable of being operated by persons, and the application range is wider.

The invention discloses a novel cloth wind-up device which comprises a base and a box body arranged on one side above the base. The device further comprises a rotating mechanism, a bent plate expansion and retraction mechanism and a guide mechanism. A sliding shaft on the bent plate expansion and retraction mechanism controls four sets of bent plates to be retracted and expanded, so that the cloth wind-up start state and the cloth wind-up end state are easily switched, the production efficiency is higher, and the device is applicable to continuous operation. The guide mechanism is located on the other side of the bent plate expansion and retraction mechanism and comprises a guide rod box and a guide rod. A lead screw is arranged in the guide rod box. The bottom of the guide rod is movably connected with the lead screw. The guide rod does reciprocating motion on the lead screw during forward and reverse rotation of the lead screw. The lead screw is driven by a motor. According to the technical scheme, reciprocating motion of the guide rod is ensured, the cloth wind-up working coordination is improved, continuous operation is achieved, and the production efficiency is improved.

The invention relates to a surface treatment method of carbon fiber reinforced epoxy resin or phenolic resin composite being low in surface free energy and high in quantity of silicon mold release agents. The method comprises the following steps: (1) primarily grinding the surface of a base carbon fiber composite material through waterproof abrasive paper with 300-1000 meshes so as to remove mostof silicon mold release agent containing components and low-activity components on the surface as well as expose some functional groups with high hydrophilia; (2) dipping degreasing cotton into 1-5% by concentration of mixed solution prepared through NaF and HCOOH based on the ratio of 0.1-0.01; wiping the grinded surface of the base material for 5-10min to completely remove the rest silicon moldrelease agents; and slightly swelling the surface of the base carbon fiber composite material; and (3) coating the surface without the mold release agent with a high-activity and high-compatibility resin transition layer being 10-40 microns in thickness; naturally drying for 3-5h; and then correspondingly coating. The method is simple in processes, and low in cost; and the adhesion of the carbon fiber composite surface and the coating can be greatly improved.

The invention relates to the field of display, and particularly relates to a method manufacturing for a thin film transistor, a manufacturing method for the display substrate and a display device. Themanufacturing method of the thin film transistor comprises the steps of forming an active layer and forming an insulating layer covering the active layer, after the insulating layer is patterned, thethrough-hole of the active layer is exposed, treating the exposed surface of the active layer with plasma to remove organic impurities and/or oxides on the surface of the active layer. The manufacturing method of the thin film transistor adopts a dry method to process organic impurities on the surface of the active layer, avoids the pollution of the liquid medicine and improves the stability of the performance of the product. For the thin film transistor with the metal oxide as the active layer, the damage to the metal oxide can be avoided, and the management and the control of the product can be completed under the small uniformity variation.

The invention discloses integrated sewage treatment equipment for heavy metal hazardous wastewater. The integrated sewage treatment equipment comprises a base, a primary filtering mechanism and a deep treatment mechanism, the base is used for mounting the preliminary filtering mechanism and the deep treatment mechanism; the primary filtering mechanism is used for filtering solid impurities in the hazardous wastewater; and the deep treatment mechanism is used for treating heavy metals in the hazardous wastewater. Through mutual cooperation of the base, the preliminary filtering mechanism and the deep treatment mechanism, the integrated sewage treatment equipment for the heavy metal hazardous sewage is realized, certain pressure can be applied to the sewage during filtering, so that the speed of the sewage penetrating through the filter screen is increased, and the sewage can be stirred while pressure is applied, furthermore, filter holes of the filter screen are effectively prevented from being blocked by filter residues, so that the filtering efficiency is improved, automatic water supply can be realized, the sewage treatment equipment is suitable for continuous operation, and the practicability of the sewage treatment equipment is improved.