43results about How to "Meet ingredient requirements" patented technology

The invention discloses a purpose of heavy metal sludge, an acid pellet and a preparation method and a purpose thereof. The invention takes stainless steel cold-rolling heavy metal sludge as a raw material for preparing the acid pellet of the sludge. The acid pellet of the sludge is mainly prepared by the following raw materials by weight percent: 5-50 percent of stainless steel cold-rolling heavy metal sludge, 30-70 percent of iron ore concentrate, 2-8 percent of composite binding agent, 4-15 percent of carbon powder and 10-30 percent of water. The preparation method of the acid pellet of the sludge comprises the main steps of pretreatment of raw materials, mixing of raw materials, pelletizing and roasting. The acid pellet of the sludge is used as a raw material of a blast furnace. The invention solves the problems that the prior art can not effectively treat and comprehensively utilize the stainless steel cold-rolling heavy metal sludge.

Provided are a cement raw material ingredient control system and method. The cement raw material ingredient control system comprises a grinding control system, a raw material automatic sampler, an on-line analyzer and a raw material quality control system. The raw material automatic sampler is arranged at a grinding machine raw material outlet, carries out grinding powder sampling, and conveys the grinding powder sample to the on-line analyzer, component analysis is carried out, the on-line analyzer sends the analysis result of the grinding powder sample to the raw material quality control system, the raw material quality control system carries out self-adaptive adjustment of raw material ratios according to the analysis result of the grinding powder sample and a raw material object rate value, and the adjusted raw material ratio values are sent to the grinding control system. Component analysis of raw materials is carried out on the on-line analyzer, the matrix semi-tensor product theory and the fuzzy control theory are employed to carry out self-adaptive adjustment of raw material ratios according to the raw material object ratio values, therefore real-time and self-adaptive adjustment of raw materials is carried out, fluctuation of the raw material ratio value is lowered, and the raw material quality is ensured.

The invention discloses a raw cement material quality control method and system based on a generalized inverse matrix. The method comprises steps as follows: S1, determining a target value expected by raw cement material quality; S2, determining the required proportion of all raw materials in a raw cement material and giving the relation between the raw materials and effective ingredients; S3, calculating the corresponding relation between the expected target value and the raw materials by using a generalized inverse matrix theory according to the raw materials, the effective ingredient content and the expected target value; S4, adjusting the proportion of the raw materials by using the corresponding relation obtained in Step 3 according to a coefficient matrix of the corresponding relation among the expected target value, a given target value and the effective ingredients as well as a coefficient matrix of the effective ingredients contained in the raw materials. According to the method, the proportion of the raw materials is calculated according to the given target value, the stability of ingredients of the ground raw material is guaranteed, batching requirements under different process conditions are met, the proportion of the raw materials is adjusted in real time, the raw material rate fluctuation is reduced, and the quality of the raw materials and the robustness of the whole raw material quality control system are guaranteed.

The invention belongs to the field of solid waste resource utilization,and discloses a method for preparing glass ceramics by using waste incineration ash synergistic pickling sludge. The method useswaste incineration ash as a main raw material,uses the pickling sludge as a nucleating agent,obtains base glass by high temperature melting,and obtains the glass ceramic by one-step heat treatment. The method achieves the harmless disposal and high-value utilization of the waste incineration ash and the pickling sludge,prepares the glass ceramic through a melting-one-step heat treatment method,andhas the advantages of short process flow,energy saving and easy industrialization.

The invention discloses low-carbon and high-chromium steel and a converter smelting technology thereof and belongs to the technical field of metal smelting. The low-carbon and high-chromium steel comprises the components in percentage by weight as follows: 4.5-5.5 percent of Cr, no more than 0.06 percent of C, no more than 1.0 percent of Mn, no more than 0.50 percent of Si, no more than 0.010 percent of S, no more than 0.015 percent of P, no more than 0.0080 percent of N, and the balance of Fe and unavoidable impurities. The converter smelting technology of the low-carbon and high-chromium steel comprises a converter process, an RH decarbonization process, an LF (Ladle Furnace) smelting process and an RH degasification process, adopts common molten iron and smelting equipment, reasonably utilizes the procedure capacity of the equipment so as to successfully obtain the low-carbon and high-chromium steel via smelting, the content of chromium is controlled within the range of 4.5-5.5%., and the content of C is less than or equal to 0.06 percent, so that the requirement of anti-corrosion steel on components is required.

The invention discloses a method for preparing a water-insoluble drug supported fat emulsion from a soybean emulsion with an aqueous enzymatic method. The method comprises steps as follows: a water-insoluble drug is added to an emulsion obtained through enzymolysis of soybeans; the emulsion is subjected to shear mixing under the protection of nitrogen, and a primary emulsion is prepared; the primary emulsion is homogenized for multiple times under the pressure of 15,000 psi-20,000 psi, an emulsion system is obtained, the emulsion system is subjected to micromembrane filtering, nitrogen charging and sterilization, and the fat emulsion is obtained. The method adopts a simple process and is convenient to operate, and under the condition that auxiliary materials such as an emulsifier and the like are not added, surface protein and phospholipid of the emulsion have a synergistic effect, so that the stability of the fat emulsion is improved and dissolving of the water-insoluble drug is enhanced. The homogeneity of the emulsion system is enhanced, and the stability of the fat emulsion is improved; the preparation method of the fat emulsion is performed at normal temperature and normal pressure, accordingly, adverse effects of the emulsion are reduced, medication safety is improved, and expanded production is facilitated.

The invention discloses a method and device for disposing waste incineration fly ash in a low-energy-consumption, recycling and environment-friendly manner. The method comprises the following steps that: 1) 1480-1510 DEG C blast furnace slag is added into a melting furnace, fly ash is simultaneously or subsequently added, and an obtained mixture is fully stirred, and the addition amount of the flyash accounts for not more than 25% of the total mass of the blast furnace slag and fly ash; 2) the temperature of the composite slag in the melting furnace is kept at 1400-1450 DEG C, and the reaction time is kept for 20-40 minutes under the temperature; and 3) deslagging, cooling, and water quenching treatment are carried out to obtain powdery water granulated slag, and the powdery water granulated slag is used as cement aggregate after being subjected to fine grinding.

The invention relates to a method for spray-welding anisotropic material on a cast iron valve plate. The specific technique includes the steps of: valve plate selecting, valve plate sealing surface polishing, sanding and coursing, adopting special valve plate sealing surface spray-welding device to spray weld the valve plate sealing surface, adjusting the current of a wire feeder to 200A-400A and the voltage to 10V-40V to maintain the wire-feeding speed at 3-8m/min, obtaining the supersonic speed particle radiation under the working conditions that the gas flow is adjusted to be 3-6 square meters per hour and the power is adjusted to be 50-80kw, opening the spray gun opening for spray-welding, ensuring the welding wire from the spray gun to form beam-shaped flame, sending two electriferous welding wires to the spray gun, generating electric arc at the contact tips of the two welding wires to form molten drops, spraying the melt molten drops through compressed air onto the surface of working piece to form a coating layer,and detecting. The invention has the beneficial effects that the spray-welding process is simple; the heating before welding and the heat processing after welding are not needed for the valve plate; the stainless steel spray-welding layer is firmly combined with the valve plate main body, the valve plate is prevented from crackles; thereby the purposes of increasing the wearing resistance and the corrosion resistance of the valve plate are achieved.

A preparation method of aluminum alloy for a semiconductor comprises the following steps: preparing aluminum and alloy; smelting the aluminum; adding the alloy to the molten aluminum to form aluminum alloy; sequentially performing stirring, slagging off, exhausting and refining; performing vacuum standing and exhausting treatment on the aluminum alloy; sampling the aluminum alloy, and analyzing to determine whether the component ratio of the aluminum alloy meets the design requirement; if the component ratio does not meet the design requirement, adding the alloy or the aluminum again based on the analyzing result until the component ratio of the aluminum alloy meets the design requirement, and performing the steps of stirring, slagging off, exhausting, refining, vacuum standing and exhausting treatment, and sampling and analyzing; and if the component ratio meets the design requirement, casting and forming to obtain the aluminum alloy. The aluminum alloy prepared by the method is uniform in mixing of main elements, and low in impurity content, and meets the requirement on the material components of the semiconductor.

The invention discloses a waste incineration fly ash recycling method and system. The waste incineration fly ash recycling method comprises the following steps that 1, after fly ash particles are fedinto a furnace from a feeding port in an upper area of a furnace body, the fly ash particles are cooled to a middle-lower area in the furnace to be combusted and melted by a pure oxygen combustor, andsmoke generated in the melting process rises to the temperature of 500-700 DEG C in an upper area in the furnace and then is exhausted; 2, a liquid chlorine salt layer, a slag layer and a liquid alloy layer are formed from top to bottom in the process that molten liquid sinks to a bottom area in the furnace; and 3, the liquid chlorine salt layer, the slag layer and the liquid alloy layer are recycled in a layered manner. The waste incineration fly ash recycling system mainly comprises a melting furnace, and a gas phase area, a solid phase area, a chlorine salt melting area, a slag area and analloy melting area are sequentially arranged in the melting furnace from top to bottom. According to the waste incineration fly ash recycling method and system, the heat utilization rate is high, theflue gas emission is small, and the equipment investment of a subsequent flue gas treatment system can be reduced; Moreover, after fly ash is treated by the method, chlorine salt, alloy and slag layers are formed after the fly ash is molten, and all the layers can be recycled.

The invention provides a copper-nickel-iron pipeline connection pipe fitting and preparation thereof. The copper-nickel-iron pipeline connection pipe fitting comprises an outwards protruded surface joint, an inwards concave surface joint and a locking nut. The copper-nickel-iron pipeline connection pipe fitting is characterized in that the meshed positions of the outwards protruded surface joint and the inwards concave surface joint are provided with meshed arc surfaces. The preparation includes shove charging, smelting, sampling, analyzing, deoxidizing, refining, casting, forging and pressing, and finish machining. Compared with the prior art, a rubber pad is removed, cost is relatively saved, and the copper-nickel-iron pipeline connection pipe fitting is completely adapted to pipeline connection on the condition of high pressure or high temperature. Meanwhile, as the forging and pressing process is utilized, mechanical performance is improved, non-cutting or little cutting is achieved, alloy material is saved, and production cost is reduced. The copper-nickel-iron pipeline connection pipe fitting has the advantages of being convenient to connect, firm to connect, and high in seal degree, and pipeline connection is safe.

The invention discloses a novel process for high-efficiency surfacing composite manufacturing (remanufacturing) of a continuous casting roll. The novel process comprises the following steps that (1),a surfacing process is determined after surfacing process evaluation according to a parent metal, surfacing materials and a surfacing mode and method, and process parameters are determined according to the surfacing process; (2), the roll is turned to 0.1 mm to 3 mm above the surfacing size required by a drawing according to the surfacing process parameters and in combination with the drawing requirements; (3), roll inspection is carried out before welding, wherein non-destructive inspection of the size, parent metal compositions, performance and internal and external defects is carried out; (4), single-layer surfacing for one-time forming is carried out, wherein the single-side surfacing thickness of the roll after single-layer surfacing reaches the surfacing thickness of +0.5-2.5 mm specified in the drawing; and (5), according to the drawing requirements, the compositions, hardness and structure of different positions after butt welding are inspected according to the drawing requirements, and meanwhile flaw detection is carried out on a surfacing layer. By the adoption of the continuous casting roll produced by surfacing composite manufacturing (remanufacturing) of the process, the uniformity of structure and performance is facilitated, and the service life of the roll is prolonged; and the efficiency and cost performance can be improved.

The invention discloses a regeneration preparation method for copper-containing aluminium alloy through aviation industry aluminium alloy waste materials and belongs to the field of circular economy technologies and environment protection. According to the main technical scheme, the method comprises the steps that the aviation industry aluminium alloy mixed waste materials after being subjected topaint removal are used, according to the target alloy component demand, a proper amount of metal or alloy is added for component regulation, smelting is conducted in a vacuum furnace, by controllingthe smelting condition process, aluminium alloy impurity removal and alloying are synchronously conducted, after filtering and impurity removal, casting is conducted, and the target copper-containingaluminium alloy is prepared. According to the method, the alloy component in the aviation industry aluminium alloy waste materials is sufficiently used, through online/offline alloy component regulation and short-range smelting, aluminium copper alloy different in type can be regenerated without additional degassing, the recycle cost is low, industrial production is easily achieved, and the methodhas obvious economical, environmental and social benefits.

The invention relates to a grinding filter suitable for uniform proportioning of modified asphalt. The grinding filter comprises a device tank with a feeding channel and a discharging channel, and a filtration assembly which is arranged inside the device tank in an intercept mode, the device tank is vertically arranged, the feeding channel is located on one side of the lower part of the device tank, the discharging channel is located on one side of the upper part of the device tank, the filtration assembly comprises a plurality of layers of filter screens which are sequentially arranged from bottom to top at intervals, wherein the pore diameters of the filter screen are gradually reduced layer by layer, the multiple layers of filter screens are divided into two sets, one set is a fixed filter screen set which is fixed to the inner wall of the device tank, the other set is a grinding filter screen set which is horizontally arranged in the device tank in a rotating mode around the centerof the grinding filter screen set, the filter screens which are used for correspondingly forming the fixed filter screen set and the grinding filter screen set are sequentially distributed at intervals, and the special grinding filter further comprises a driving mechanism used for driving the grinding filter screen set to rotate. According to the grinding filter, agglomerated materials with different particle diameters from large to small can be stepwise ground and filtered, so that the materials discharged from the discharging channel are fine and homogenized, and the proportioning requirements of the modified asphalt are met.