370results about How to "Reduce production risk" patented technology

The invention relates to a urethane acrylate waterborne UV coating and a preparation method thereof; the urethane acrylate waterborne UV coating comprises the following components according to the parts by weight: 5-25 parts of polyether acrylate, 10-60 parts of urethane acrylate, 2-5 parts of photoinitiator, 0.05-0.5 part of defoaming agent, 0.05-0.5 part of wetting agent and 40-80 parts of deionized water; the preparation method comprises the following steps: weighting each component according to the proportion by weight, then mixing polyether acrylate and urethane acrylate to prepare a mixture, then adding photoinitiator, defoaming agent, wetting agent and waterborne mildewproof agent in the mixture, stirring for 0.5-2h, then slowly dripping deionized water by phase inversion method to disperse the solution and obtaining stable emulsion, wherein, the dripping time of deionized water is 1-3h. The invention is characterized by small investment, simple process, environmental friend and non-toxic, excellent film performance, remarkable economic and social benefits and good market application prospect.

A method for dry producing the silica dioxide aerogel from rice husk ash as raw material in atmosphere pressure, belongs to the technical field of chemical industry materials producing, which comprises the following steps: leaching the rice husk ash formed by rice husk burning in the inorganic strongly basic aqueous solution and inorganic corrosive acid neutralizing basic solution to get the silica dioxide hydrosol, treating the hydrosol with organo-silicon compound to get the hydrogel, then ageing, water scrubbing, replacing the moisture in hydrogel with a organic solvent, and drying in atmosphere pressure to get the silica dioxide aerogel with the specific surface area about 400-800 m.

The invention relates to boron microalloyed die steel and a preparation process thereof and belongs to the technical field of alloy steel preparation processes. The main alloy elements in alloy chemical components of the die steel comprise, by mass, 0-0.20% of C, 0-0.20% of Si, 1.20-1.60 of Mn, 1.10-1.50% of Cr, 0-0.30% of Ni, 0.20-0.35% of Mo, 0-0.10% of V, less than 0.015% of P, less than 0.005% of S, 0.005-0.01% of B, and the balance Fe. The preparation process of the steel includes the following steps of conducting burdening, smelting, casting and hot delivery; conducting high temperature diffusion heat treatment, multi-directional forging hot working and post-forging hydrogen diffusion tempering treatment; and finally conducting quenching-and-tempering heat treatment so as to obtain a tempered martensite structure with the hardness being 32-38 HRC. The boron microalloyed die steel and the preparation process thereof have the advantages that the prepared die steel has low cost, high hardenability, high hardness, high polishing performance and high skin grain etching performance.

The invention relates to a kind of linearization method of power amplifier in signal process field, the invention acquires the enveloped spectrum information of nonlinear distorted signal of power amplifier from front feedback signal counteraction loop, and feedbacks then to the input channel of power amplifier through degenerative feedback loop, and superimposes and modulates the enveloped spectrum, with the input signal, and forms the input signal pre-skewness, realizes the linear amplification of power amplifier. The device includes front feedback signal counteraction model, nonlinear skewness enveloped spectrum degenerative feedback model which is the enveloped spectrum information acquired from the front feedback signal counteraction model, and feedbacks it to the input channel of the power amplifier to be modulated into the enveloped spectrum.

The invention relates to a beneficiation method for separating molybdenum-tungsten oxide ore and molybdenum sulfide ore from molybdenum tungsten ore. The beneficiation method comprises the steps that magnetic separation is conducted on raw separation molybdenum sulfide ore at least twice, so that the raw separation molybdenum sulfide ore subjected to magnetic separation is divided into magnetic ore containing molybdenum-tungsten oxide and non-magnetic ore containing molybdenum sulfide; and a molybdenum-tungsten oxide flotation process is conducted on the magnetic ore, and a molybdenum sulfide flotation process is conducted on the non-magnetic ore, so that molybdenum-tungsten oxide concentrate and molybdenum sulfide concentrate are obtained. According to the beneficiation method for separating the molybdenum-tungsten oxide ore and the molybdenum sulfide ore from the molybdenum tungsten ore, the magnetic ore containing molybdenum-tungsten oxide and the non-magnetic ore containing molybdenum sulfide are separated out before ore grinding by means of the magnetic characteristic of iron-bearing ore in skarn in a magnetic separation and flotation combined way, so that the floatability of the ore is improved, the beneficiation feed grades of the molybdenum sulfide ore and the and molybdenum-tungsten oxide ore subjected to flotation are increased, and a subsequent flotation technological process is simplified; and in addition, grading index fluctuation caused by the change of the characteristics of the ore is reduced, and the mine production cost can be reduced easily.

The invention discloses flavored lip balm of a pure natural origin. The lip balm is prepared from the following components in percentage by weight: 60-90 percent of skin moisturizing grease of a natural origin, 5-40 percent of solid wax of a natural origin, 0.01-5 percent of an antioxidant of a natural origin, 0.01-10 percent of aromatic grease of a natural origin, 0.01-5 percent of a toner of a natural origin and 0.01-5 percent of an efficacy substance of a natural origin. The flavored lip balm of the pure natural origin meets the requirements for the National Standard of People's Republic ofChina GB/T 26513-2011 flavored lip balm. Without adding an artificial pigment, artificial essence and a petrochemical source product, by entirely taking natural source substances as raw materials, the flavored lip balm has nature fragrance, is capable of lasting moisture and fading lip texture and is high in safety, strong in efficiency and pleasant to use.

The invention relates to a method for predicting quality of industrially produced coke by using a 40kg test coke oven and belongs to the technical field of metallurgical test. The technical scheme comprises the following steps of: firstly, taking test coal according to the ratio of industrial production, mixing, crushing and producing coke in the 40kg test coke oven; secondly, making an industrial analysis sample and a terminal performance sample to obtain corresponding technical indexes; and finally, predicting the quality of the industrially produced coke according to the technical index test result of the test coke. The method has the advantages that the 40kg small coke oven test coke is used for predicting the industrially mass produced coke. Through the small coke oven test, an optimal coal blending scheme can be found according to the conditions of coal source, the coke with high quality can be produced, the production risks can be reduced and the production benefit can be maximized.

The invention provides an ADC cation exchange chromatographic purification method. The ADC cation exchange chromatographic purification method can be used for performing purification in a combined elution mode or an overload mode, control the DAR (drug antibody ratio) of ADC drugs within a target technology range and meanwhile achieve the effects of eliminating polymers. The ADC cation exchange chromatographic purification method is a novel ADC preparation and purification technique, reduces the production cost and risk, meanwhile, achieves control to the mole DAR of micromolecules/antibodies and polymers of the ADC drugs, is beneficial to development of ADC production processes with higher controllability, lower cost and lower risks, obtains products with higher quality and guarantees medication safety and therapeutic effects.

The invention relates to a control method for continuous casting of the different steel grade. The method comprises the following steps: firstly, according to the shape and structural parameters of a tundish flow control device, the mixed casting tonnage M is determined, and the value is the molten steel amount correspondingly when the height of the liquid level of the molten steel in a tundish is the height of a retaining dam; according to following formulas, the remaining steel amount of the previous steel grade is determined as Mo (shown in the specification), and when casting of a molten steel large ladle of a previous furnace is finished, speed begins to be slowly reduced; the mixed casting initial tonnage of the tundish is M1, the pull speed is reduced to the lowest pull speed V0 during normal production of the steel grade, and the retaining time is t0; thirdly, according to the casting cross section, the large ladle cast-on tonnage is selected, when the remaining weight of the tundish is M2, the pull speed is reduced to V1 from V0, and large ladle cast-on operation is carried out; fourthly, after large ladle cast-on operation, the amount of molten steel of the tundish is kept M, the pull speed is kept V1, after t2, the pull speed rises to V0, the reference formula of t2 is shown in the specification, the pull speed rises to V0, meanwhile, the molten steel amount of the tundish is kept M, after the retaining time t3 is equal to 5 min to 8 min, the opening degree of a sliding plate of the large ladle is gradually increased, the tonnage of the tundish rises to the normal casting tonnage, and the pull speed rises to the normal production target value.

The invention provides a material delivery method based on RFID. The method comprises the following steps: sorting material information data by using a material management server; writing the material information data in an RFID label; mounting the RFID label at an opening of a material container; transporting the material container and reading the material information data; storing the material container in a transit warehouse and reading the material information data; transporting the material container out of the transit warehouse and reading the material information data; reading the material information data by a material allocation center and allocating the material container; transporting the material container to material processing equipment, and the like. The method disclosed by the invention has the advantages that a corresponding relationship between the material and the material processing equipment can be built before the material leaves factory; the delivery, casing, transportation, transit storage and delivery to a production line of the material are monitored and managed during the overall processes, so that the material can be delivered accurately; material loss and damage can be effectively prevented; the delivery reliability is improved; the delivery efficiency is improved; the production risk is reduced.

The invention discloses a calcium oxide-based high-temperature CO2 adsorbent and a preparation method thereof. The adsorbent comprises a carrier M and a main active component CaO loaded on the carrier M. The carrier M is further loaded with a structural stabilizing aid A. The general formula of calcium oxide-based high-temperature CO2 adsorbent is <x>CaO.A.<100-x-a>M, wherein x is the mass percentage of CaO; a is the mass percentage of A; x is no less than 5% and no more than 60%; and a is no less than 0.1% and no more than 50%. The calcium oxide-based high-temperature CO2 adsorbent in the invention has high wear resistance, high thermal stability and high activity; the adsorbent loses no more than 20% of CO2 adsorption capacity after 40 adsorption-desorption cycles and has a wear rate is 0.1 to 1 wt%/h; the adsorbent can be prepared by using individual impregnation solutions or a mixed impregnation solution; and the preparation method provided by the invention is simple in process, free of production of waste water, friendly to environment, easy to repeat and especially suitable for large-scale industrial production and application.

The invention discloses a special long-acting slow-release fertilizer for rice, of which the nutritive elements comprise nitrogen, phosphorus, potassium, secondary and minor elements, beneficial nutrients, organic matters, a non-coating slow-release agent and a soil conditioner. The raw materials for providing the nutritive elements comprise urea, ammonium chloride, ammonium dihydrogen phosphate, a calcium magnesia phosphate fertilizer, ordinary superphosphate, potassium chloride, zinc sulfate monohydrate, organic matters, a non-coating slow-release agent and a soil conditioner. The special long-acting slow-release fertilizer for rice can implement slow-release, and is effective for the whole process after single-dose application; and thus, the special long-acting slow-release fertilizer for rice can satisfy the nutrient demands of rice in the whole growth period after single-dose application. The special long-acting slow-release fertilizer for rice combines utilization and maintenance of soil, can supply nutrients, can also loosen the soil and enhance the soil fertility, has higher utilization ratio, enhances the stress tolerance of rice, lowers the agricultural production risks, balances the nutrients, implements scientific fertilizer application, has the advantages of complete nutrients, multiple functions and scientific formula, and solves the problems caused by purposeless fertilizer application, unbalanced fertilizer application and the like.

The present invention discloses a composite aqueous UV coating, which comprises the following components by mass 0.1-48 parts of polyoxyethylene acrylate, 0.1-48 parts of water-soluble epoxy acrylic grafted urethane resin, 0.3-5 parts of additive, 2-5 parts of photoinitiator, 0.03- 0.8 parts of defoamer, 0.03-0.6 parts of wetting agent, 30-75 parts of deionized water; wherein at least one of polyoxyethylene acrylate and water-soluble epoxy acrylic grafted urethane resin is required. The preparation method comprises the following steps weighting the components by mass ratio, then mixing polyoxyethylene acrylate and water-soluble epoxy acrylic grafted urethane resin to obtain a mixture, and then adding the photoinitiator, the defoamer, the wetting agent and the aqueous additive in the mixture, stirring for 1-2 hours, and then slowly adding 0.1-5% of etherified melamine aqueous solution by using a phase inversion method. The UV coating of the present invention has advantages of good adhesion on all kinds of materials, environmental protection and no toxicity, high film hardness, excellent glossiness and fluid resistance performance.

The invention discloses a low-cost extra-deep-drawing-quality cold-rolled galvanized steel strip and a preparation method thereof. The steel strip is prepared from, by mass percent, 0.001% to 0.005% of C, 0.07% to 0.12% of Mn, not larger than 0.012% of S, not larger than 0.012% of P, not larger than 0.03% of Si, 0.010% to 0.060% of Als, not larger than 0.0040% of N, 0.0015% to 0.0030% of B and the balance Fe and inclusion within an allowed range. According to the galvanized steel strip, the reasonable carbon content is controlled to reduce the content of free carbon in steel as much as possible; and meanwhile, a certain amount of boron is added to fix interstitial nitrogen and part of carbon, and therefore the timeliness of an extra-deep-drawing-quality galvanized product can be guaranteed. According to the galvanized steel strip, boron is used for fixing carbon atoms, so that the cost of an alloy material is greatly reduced, meanwhile, the heating temperature and soaking temperature of a galvanization procedure can be greatly reduced, and therefore production difficulty and energy consumption are effectively lowered.

The invention discloses a preparation method of a phenylacetic acid type compound. The preparation method of the phenylacetic acid type compound I comprises the following steps that in a solvent and aCO gas phase system, a benzyl halide type compound II, pyridine-2-cobalt carboxylate, palladium acetate and alkaline neutralizers take carbonylation reaction to obtain the phenylacetic acid type compound I. A mixed catalytic system has a synergistic effect; the whole use quantity of catalysts is greatly reduced. When the mixed catalyst is used, a better catalytic effect can be achieved; the characteristics of easily obtaining the catalyst, avoiding the production safety risk of toxic three wastes and the like, reducing the reaction pressure, realizing mild reaction conditions, reducing the production risk, facilitating the production and the like are realized. The formulas are shown in description.

The invention relates to a preparation method and an application of a polyether type thick oil demulsifying agent. The method comprises the steps of polyglycerol synthesis, polyether synthesis and polyether type thick oil demulsifying agent preparation. The thick oil demulsifying agent adopts polyglycerol with different polymerization degrees as initiators, alkali metal hydroxide is used as catalysts, epoxypropane polymerization is initiated, polyether macromolecular compounds are obtained, then, the polyether macromolecular compounds take reaction with polyisocyanate in aromatic solvents, and the final demulsifying agent product is obtained. The detail method steps are shown as the specification. The preparation method and the application have the advantages that by-product glycerol generated in the biodiesel production process is used as raw materials, ethylene oxide used as synthesis raw materials of the polyether type demulsifying agent is replaced, the raw material cost is low, the production risk is low, the thick oil demulsifying effect is good, and the preparation method is particularly suitable for thick oil dehydration at lower temperature, and the utilization rate of the glycerol can be greatly improved, so the development of the biodiesel industry is promoted.

The invention relates to a vacuum infusion molding process for a compound material and a flow guide net thereof. The vacuum infusion molding process for the compound material comprises the following steps: paving the flow guide net on the surface of a product in a die, and arranging a flow guide tube on the flow guide net, wherein the flow guide net is arranged according to the structure of the product; blending 1-2kg of plastic color master batch particles with each 100kg of high-density polyethylene (HDPE) plastic particles adopted by the flow guide net; adding to a hopper; entering an extruding machine through an automatic feeding device; heating at the position of a machine barrel of the extruding machine to fuse the HDPE plastic particles and the plastic color master batch particles; then, extruding by an extruding screw of the extruding machine; and finally, extruding by a die head of the extruding machine after heating is performed by the five section of a machine head. Molded meshes are rhombic small blocks in shape; at least one layer of vacuum bag is buckled above the flow guide net and the flow guide pipe; the vacuum bag and the die are sealed; and the flow guide pipe penetrates the vacuum bag, and the penetrating part is sealed, thereby, the phenomenon that the product defect is caused because resin infusion is too slow or incomplete cannot occur.

The invention belongs to the technical field of aircraft assembling, and relates to an aircraft main landing gear hatch door assembling coordinate platform which comprises a foundation, a main frame, hatch door intersection positioning assemblies, hatch door appearance detecting boards, main landing gear fairing process fake frames and a tension belt assembly. The main frame is installed on the foundation. The hatch door intersection positioning assemblies, the hatch door appearance detecting boards, the main landing gear fairing process fake frames and the tensioning belt assembly are installed on the main frame. The positioning coordinates of the hatch door intersection positioning assemblies are the same as the assembling interaction coordinates of an aircraft actual hatch door. The inner shape of the hatch door appearance detecting boards is the same as the theoretical appearance of the hatch door, and the inner shape of the hatch door appearance detecting boards is larger than the theoretical appearance of the hatch door. The two ends of the coordinate platform are provided with the main landing gear fairing process fake frames which are totally the same with aircraft main landing frame fairing lap joint frames in appearance. By means of the aircraft main landing gear hatch door assembling coordinate platform, the production cost and assembly risk are reduced, actual assembling workloads are reduced, and the development cycle is shortened.

The invention relates to the technical field of clothes manufacturing, in particular to an Internet of things-based cloud control method for a hoisting system. The Internet of things-based cloud control method for hoisting system is suitable for the hoisting system including a cloud platform and a plurality of machining plants, and is characterized by comprising the following steps that: a processing plant uploads production data to a cloud platform in real time, and receives and execute a control command coming from the cloud platform, wherein the production data include one or more worksheetdata, production efficiency data and production progress data, the control command comprises a worksheet allocating command; and the cloud platform receives orders coming from a retail store and allocates the orders according to the production data of each machining plant, and transmits a worksheet allocating command to a corresponding plant in order to implement the order allocation. The directcommunication between the retail store and the machining plant is realized through the cloud platform; intermediate loops between the generation of the orders and a machining plan are avoided; and theinformation is more accurate. The reasonable utilization and allocation of the resources are facilitated; the cost is saved more; and environmental friendliness is achieved.

The invention relates to a remote logging method and system, and the method comprises the steps of obtaining the adjacent well geological data of a to-be-drilled well through a preset geographic information system and a preset knowledge base, and obtaining the design data of the to-be-drilled well according to the adjacent well geological data; drilling the to-be-drilled well according to the design data, obtaining real-time logging data of the to-be-drilled well in the drilling process, and generating logging analysis data according to the real-time logging data; and analyzing the logging analysis data, and sending an analysis result to a remote terminal. According to the present invention, a set of remote logging technical process capable of supporting integration of well site logging data acquisition, transmission, publishing and application of the whole process can be established, the data synchronization and the interconnection of a well site and a remote terminal can be achieved,a remote cooperation function can be achieved, the real-time dynamic monitoring of the logging work can be achieved, and the early warning is conducted in time when abnormity occurs.