35results about How to "With consumption reduction" patented technology

The invention discloses a preparation method of a high-temperature-wear-resistant lining plate for a coke pot for coke dry quenching. The high-temperature-wear-resistant lining plate is prepared by cladding a metal ceramic layer on a metal lining plate. The preparation method comprises the following steps: (1) preparing uniformly mixed metal ceramic powder; (2) brushing light absorbing coatings on the surface of the metal lining plate uniformly; (3) after the coating of the light absorbing coatings is dry, feeding the powder pneumatically or feeding the powder by way of powder spreading or gravity, wherein the thickness of the powder layer is 0.5-4.0mm; and (4) scanning the metal ceramic powder which has been spread or delivered in place by virtue of a high power laser and forming the cladded high-temperature-wear-resistant metal ceramic layer on the metal lining plate. By utilizing the method to prepare the high-temperature-wear-resistant metal lining plate for the coke pot for coke dry quenching, low cost and stable production quality are ensured, and implementation is convenient; and the method is convenient for mass production and has prominent economic and social benefits.

The invention belongs to the technical field of ironmaking, in particular relating to a coke passivator and process for preparation. The coke passivator is produced by the raw materials at different part by weight, including 15-30 parts of boracic acid, 15-30 parts of borax, 30-50 parts of high magnesium powder, 5-15 parts of aluminum silicon powder, and 5-20 parts of calcium silicon powder. The coke passivator can uniformly form a layer of protective coating, which can reduce the erosion of the coke caused by CO2, decrease the reactivity of the coke, increase the coke strength after reaction, improve the utilization coefficient and the service life of the blast fumace and reduce the coke ratio. Utilizing the concentration of 0.3kg/t can reduce the reactivity of the coke by 5%, increase the coke strength after reaction by 7% and improve the production of the blast furnace by more than 3%-5%. The invention is an ideal product for blast furnace ironmaking which has the advantages of saving energy, reducing consumption, increasing production, improving benefits and protecting environment.

The invention discloses a production technology of a precast concrete member rough surface. The production technology comprises the steps that 1, a precast concrete member rough surface forming template is prepared; 2, a precast member flange die is manufactured; 3, the precast member rough surface forming template prepared in the step 1 is connected and fixed to the precast concrete flange die prepared in the step 2; 4, the precast member rough surface flange die obtained in the step 3 is installed on a steel trolley or a bottom template; 5, connecting reinforcement bars are arranged based on the step 4; 6, concrete pouring, vibration, maintenance and demolding are carried out, and a precast concrete member with the rough surface is formed. Mechanical equipment and washing stations are saved, dust pollution and slurry pollution are avoided, the cost is low, the efficiency is high, the precast concrete member rough surface meets national standards, and the product quality is good.

The invention discloses a process method, and particularly relates to a process method for improving woven dark cloth wet rubbing fastness. The process method includes the steps: (1) cloth distribution; singeing, cooling reaction and desizing; scouring and bleaching; mercerizing; pad dyeing or jig dyeing; wet rubbing fastness improver and auxiliary selection and preparation; wet rubbing fastness improver finishing; over-soft sizing; pre-shrinking; finished product inspection. According to the process method for improving the woven dark cloth wet rubbing fastness, production processes of all procedures are controlled, the capillary effect of a fabric is effectively improved, the surface finish degree of the fabric is improved, friction resistance is reduced, surface dyeing is decreased by strengthening soaping and washing after dyeing, wet rubbing fastness improvers of waterborne polyurethane complexes (Jiangxi Luxi County Xianghua Fine Chemical Co., Ltd., similarly hereinafter) are added after dyeing, under the assistant effects of assistant stabilizers 203 and cracking agents 109, the process method effectively solves the problem that oil floating points are generated in continuous production for 2000 meters or more when single wet rubbing fastness improvers are added in the past, the wet rubbing fastness of dark dyed cloth is improved by one level or more, corresponding washing fastness is improved, pH (potential of hydrogen) values meet requirements, continuous production and product quality are ensured, and a cloth surface has a certain color-deepening effect and softening effect, so that customer satisfaction is achieved.

The invention discloses a rubber air spring capsule-free vulcanization production method, which comprises: removing a capsule holder structure from a vulcanization mold; directly filling a preformed rubber air spring blank into the molding cavity of the vulcanization mold; sizing the rubber air spring blank in the presence of air or nitrogen under a pressure of 0.1 to 1bar; closing the mold, and charging steam under a pressure of 6 to 15bar to provide heat for the rubber air spring blank; and quickly charging nitrogen serving as an internal pressure medium under a pressure of 18 to 35bar for vulcanization. In the invention, by applying a capsule-free vulcanization technical process, the method has the advantages of energy conservation, reduction in energy consumption, environmental friendliness, improvement on efficiency and the like and improves the uniformity and service life of products.

The invention relates to a preparation method of diphenylamine or a ring-substituted derivative thereof. The method comprises the following steps: utilizing an alkali metal alkoxide as an alkaline reagent, and performing reaction on halogenobenzene or the ring-substituted derivative thereof and N-acylated aniline or the ring-substituted derivative thereof in the presence of a catalyst to prepare the diphenylamine or the ring-substituted derivative thereof and simultaneously produce a second product, namely carboxylic acid ester. The molar ratio of the halogenobenzene or the ring-substituted derivative thereof, the N-acylated aniline or the ring-substituted derivative thereof and the alkali metal alkoxide is generally selected at 1.0:(1.0-1.1):(1.1-1.3). The method is utilized for producing the diphenylamine or the ring-substituted derivative thereof, and the method has the advantages of simple production process, short reaction period, high utilization rate of equipment, low energy consumption and a small quantity of three wastes.

The invention relates to a device and method for butting a single-phase single-sheet transition conductor of a bus duct connector. The device comprises double-insertion-sheet type bus duct connectors (2) and single-insertion-sheet type bus duct connectors (3) which are arrayed in sequence, and when the power supply is of a three-phase four-wire system, one single-insertion-sheet type bus duct connector (3), the double-insertion-sheet type bus duct connector (2) and another single-insertion-sheet type bus duct connector (3) are arrayed in sequence. Each double-insertion-sheet type bus duct connector (2) comprises a two-phase insulating sheet (21) and a transition conductor (22). The connection method is as follows: dividing the end of a bus duct into branches with prestress, inserting the B-phase branch and C-phase branch of the power supply into the double-insertion-sheet type bus duct connectors (2) respectively, and inserting the single-insertion-sheet type bus duct connectors (3) between the A-phase branch and the B-phase branch, between the C-phase branch and the N-phase branch and between the N-phase branch and the PE-phase branch respectively. Due to the clamping function of the prestressed branches of a bus duct conductor bar (1), the conductor of the connector can be matched tightly before being fastened by insulating bolts (7).

The invention relates to a preparation method of fontanesia fortunei Carr. scented tea. The preparation method comprises the following steps: air-drying and picking, airing for withering, raising the temperature for deactivating enzyme, sun-drying, picking and choosing, and packaging and storing. According to the preparation method provided by the invention, fontanesia fortunei Carr. flower buds are mainly used as a raw material, the efficacy of pollen is made full use, and the prepared fontanesia fortunei Carr. scented tea has the effects of losing weight, sterilizing and eliminating inflammation, nursing intestines and the stomach, promoting metabolism, enhancing the immunity and the like. Through the preparation method provided by the invention, which is free of stir-frying, kneading and twisting, loss of the pollen in the fontanesia fortunei Carr. flower buds can be reduced and the nutritional value of the pollen is maximized; fontanesia fortunei Carr. flowers have unique fragrance, so that the fontanesia fortunei Carr. scented tea is good in mouth feel and pleasant in fragrance; the fontanesia fortunei Carr. scented tea is safe to drink and simple in process, and is suitable for large-scale production.

The invention relates to a beneficiation method of veinlet disseminated low-grade porphyry type copper ore, belonging to the technical field of mineral metallurgy processing. The technical problem tobe solved by the invention is the difficulty of low copper ore grade and various copper minerals in mineral processing. A technology for introducing a copper and associated gold and silver mineral high-efficiency combined collector, adding lime and sodium sulfide for pulp blending in roughing process and introducing sodium silicate and sodium hexametaphosphate in the fine screening process is adopted. The problems that the recovery rate of useful minerals is low, the fine screening process is long and the concentrate grade is not high in beneficiation of the veinlet disseminated low-grade porphyry type copper ore are solved. The recovery of main metal copper and associated gold and silver is effectively increased, the quality of copper concentrate is improved, the stability of beneficiation is improved, the adverse effect of seasonal temperature difference on mineral beneficiation indexes is overcome, the circulating reuse of mineral beneficiation wastewater is realized, and the mineral beneficiation cost and energy consumption are reduced. The invention is used for beneficiation of copper sulfide ores in high-cold seasonal frozen areas.

A rough surface forming tool for prefabricated concrete components includes molding and a plurality of grooves or protrusions processed and manufactured on a forming template in compliance with national standards for rough surfaces of prefabricated components. The invention saves a large amount of mechanical equipment and washing stations, has no dust pollution and mud pollution, has low cost and high efficiency, and the rough surface of the formed prefabricated component meets the national standard, and the product quality is good.

The invention discloses an ultralow-load stable combustion method and device for a coal-fired boiler, and belongs to the technical field of power generation of coal-fired boilers. In order to solve the problem that stable combustion is difficult to maintain during deep peak-shaving low-load operation of a coal-fired unit at present, raw coal is ground into superfine pulverized coal, and the air amount is adjusted, so that the air carries the superfine pulverized coal and then is sprayed into a gasification furnace from a central channel of a burner at the top of the gasification furnace; igniting the superfine pulverized coal through a high-energy igniter in the gasification furnace; introducing mixed gas of high-temperature water vapor and air; adjusting the proportion of the pulverized coal, air and water vapor, and controlling the temperature of the gasification furnace, so that the pulverized coal, oxygen and water vapor are subjected to partial gasification reaction to generate high-temperature fuel gas rich in CO; the high-temperature fuel gas carrying the non-burnt superfine pulverized coal is sprayed into a boiler hearth through the ignition pipe, and stable pulverized coal burning in the boiler is completed. The operation cost is low, the load of the pulverized coal boiler can be reduced to 20% or below, the burn-off rate of pulverized coal is high, and the requirement for ultralow load peak regulation is met.