41results about How to "Increase production energy consumption" patented technology

A modified wood-plastics composition is prepared from wood flour, plastic, assistant, and grafting agent through graft modifying of wood flour and plastics, and continuous extruding out. Its advantage is high tension strength, bending strength and impact strength.

The invention discloses a method for producing rare-earth isoprene butadiene rubber. Two refined monomers, namely isoprene and 1, 3-butadiene are proportioned and mixed, and subjected to polymerization reaction in the presence of a rare earth catalyst to form random copolymer rubber. A multi-tower circular preparation process flow is adopted, and the problem of low purity of recovered monomers and solvents caused by crossed boiling points of various monomers and impurities thereof is solved, so that the production efficiency and molecular weight of the rare-earth isoprene butadiene rubber areimproved and the whole production cost is reduced. In the rare-earth isoprene butadiene rubber, the molar content of polyisoprene units is 40 to 90 percent, the cis-content in the polyisoprene units is more than 95 percent, the cis-content in polybutadiene units is more than 99 percent, the weight-average molecular weight is 2,000,000 to 3,000,000, the molecular weight distribution is 3 to 7, andthe anti-ageing agent content is 1 to 2 percent. The rare-earth isoprene butadiene rubber copolymer can replace a binary blend of natural rubber (or high cis-isoprene rubber) and butadiene rubber, and has the characteristics of capacity of being easily mixed, low themogenesis, wear resistance, crack growth resistance and the like.

The invention relates to an ultraviolet light-heat dual-curing primer for vacuum coating of a vehicle headlight and an application method. The primer comprises a component A and a component B, wherein the component A is prepared from 35-70 parts of isocyanate modified acrylic resin containing carbon-carbon double bonds and hydroxyl, 5-20 parts of a low polymer containing carbon-carbon double bonds, 10-50 parts of a compound containing at least two (meth)acryloyl groups, 2-5 parts of a photo-initiator, 10-40 parts of a solvent, and 0.1-3 parts of organic silicon or fluorocarbon flatting agent, and the sum of the components is 100 parts by weight; the component B is a polyfunctional isocyanate curing agent; and before construction, the components A and B are mixed evenly according to the molar ratio of -OH groups contained in the component A to -NCO groups contained in the component B being (0.8-1.3) to 1. Due to adoption of the primer and the application method thereof disclosed by the invention, a primer film has good adhesive force and heat resistance on a plastic substrate which is difficult to attach.

The invention belongs to the fields of metallurgy and chemical engineering, and particularly relates to a method for producing MnO through the reducing roasting of MnO ore by utilizing wood chips. According to the method, the wood chips are adopted as a reductant, so that the MnO ore can be reduced into MnO under the condition of low temperature (300-500 DEG C); consequently, the production energyconsumption can be greatly reduced and the service life of equipment can be prolonged; the method is simple in process, convenient to operate, low in roasting temperature, and high in efficiency of the conversion from high-valent Mn to bivalent Mn; the cost of the reducing roasting of the MnO ore can be remarkably reduced; and furthermore, qualified MnO can be produced by adopting the method.

The invention discloses a method for preparing lactide by a catalytic method under reduced pressure, which is characterized by comprising the following steps: firstly, removing free water in lactic acid at a temperature is 75-90 DEG C and at a vacuum degree of 0.080-0.090 MPa for 1-2 hours; secondly, adding a catalyst and a surfactant, wherein the catalyst consists of zinc oxide with a reactant mass percentage of 0.5-1 percent and stannous octoate with a reactant volume ratio of 0.5-1 percent, the surfactant is Tween 80 with a reactant volume ratio of 0.5-1 percent or sodium dodecyl sulfate with a reactant mass percentage of 0.5-1 percent ; thirdly, at a vacuum degree of 0.080-0.090 MPa and a temperature of 125-135 DEG C, removing combined water and reacting for 5 hours; and fourthly, agitating and raising the temperature to 165-200 DEG C, distilling and collecting the lactide with a crude production rate of 83-91 percent. The method has the beneficial effects that the distillation temperature of the lactide in the lactide preparation process can be reduced, the energy consumption is reduced, the by-product quantity generated at high temperature is reduced, the preparation production rate of the lactide is further improved, and the production cost is reduced.

The invention discloses a finishing rolling unit in ESP endless rolling and a rolling method, and belongs to the field of steel and iron material engineering. The finishing rolling unit in the ESP endless rolling of the invention comprises a plurality of finishing mills arranged in the order of a finishing rolling process, and is characterized in that one of the finishing mills is a standby finishing mill for replacing the worn finishing mill; a spray header is arranged in front of the preceding finishing mill in the standby finishing mill and the worn finishing mill by the order; and the spray header spray cold water to cool a strip plate to complete the transformation process of austenite to ferrite. According to the invention, the full-continuous non-stop flexible rolling technology canbe realized, the productivity drop caused by the forced stop of the production line due to the downtime and roll change of the finishing rolling unit is avoided, and the output is also improved; andthe roll temperature rise can be reduced, so that the fatigue cracking and fracturing of the roll due to the thermal stress are reduced, the wear of the roll is reduced, the surface quality of endlessrolled products is improved, and the production cost is significantly lowered.

The invention belongs to the fields of chemical industry and material, and concretely discloses a preparation system and a method thereof of a high-purity vanadium battery electrolyte. The preparation system takes industrial-grade vanadium oxytrichloride as a raw material, the industrial-grade vanadium oxytrichloride is subjected to distillation purification to obtain the high-purity vanadylic chloride with purity of more than 4N, the high-purity vanadium oxytrichloride is subjected to hydrolysis as well as chlorinity regulation and control, further, sulfuric acid is added for preparing the high-purity vanadium battery sulfuric acid-hydrochloric acid mixed acid electrolyte. The preparation system and the method have the advantages of strong raw material adaptability, simple flow, cleaning and no pollution, low production energy consumption and low operation cost, and controllable electrolyte quality, are suitable for large-scale continuous production of the high-purity vanadium battery electrolyte, and have good economic benefit and social benefit.

The invention relates to a dicumyl peroxide production method, which comprises: co-feeding a dicumyl peroxide raw material and a crystallization solvent into a crystallizer, carrying out cooling crystallization, and carrying out solid-liquid separation on the obtained crystal slurry to obtain a dicumyl peroxide crystal I and a crystallization mother liquor I; discharging the crystallization motherliquor I out of the crystallization device, and carrying out solvent recovery; feeding the dicumyl peroxide crystal I into a beating washing tank, and carrying out beating washing on the dicumyl peroxide crystal I by using a washing liquid; carrying out solid-liquid separation on the obtained crystal slurry to obtain a dicumyl peroxide crystal II and a crystallization mother liquor II; drying thedicumyl peroxide crystal II, and discharging as the product; and returning the crystallization mother liquor II to the crystallizer, and continuously crystallizing. According to the present invention, the dicumyl peroxide production method can solve the problems of poor product quality, irregular crystal shape, poor transparency, serious crystal occlusion and coalescence, non-uniform size and non-uniform distribution of crystal particles, low yield of large particle crystals and high energy consumption in the prior art, and can be used in the production of dicumyl peroxide.

The invention relates to a dicumyl peroxide production method, which comprises: carrying out cooling crystallization on a dicumyl peroxide raw material and a crystallization solvent in a crystallizerI, and carrying out solid-liquid separation on the obtained crystal slurry I to obtain a dicumyl peroxide crystal I and a crystallization mother liquor I; washing the dicumyl peroxide crystal I, drying, and discharging as the product; making the crystallization mother liquor I enters a crystallizer II, continuously crystallizing, and carrying out solid-liquid separation on the obtained crystal slurry II to obtain a dicumyl peroxide crystal II and a crystallization mother liquor II; and making the dicumyl peroxide crystal II return to the crystallizer I, and discharging the crystallization mother liquor II out of the crystallization device to carry out solvent recovery. According to the present invention, with the technical scheme, the problems of poor product quality, irregular crystal shape, poor transparency, serious crystal occlusion and coalescence, non-uniform size and non-uniform distribution of crystal particles, low yield of large particle crystals and high energy consumption in the prior art are well solved; and the dicumyl peroxide production method can be used in the production of dicumyl peroxide.

This invention discloses an activator used in large-doping-amount finely ground slag concrete. The activator is composed of: gypsum 60-81 wt.%, naphthalin high-performance water reducer 7-10 wt.%, hydroxyl compound 0-0.02 wt.%, surfactant 0-0.002 wt.%, and finely ground slag 9-30 wt.%. The activator can replace 4-6% of cement in large-doping-amount finely ground slag. The concrete added with the activator has such advantages as high mixability, high pumpability, and high volume stability. With the activator, the doping amount of finely ground slag in the concrete can be increased to 70%.

The invention relates to the technical field of petrochemical products and particularly relates to a method for continuous production of N-methylisopropanolamine. The method comprises respectively metering monomethylamine and propylene epoxide, feeding the monomethylamine and propylene epoxide into a mixer, carrying out uniform mixing, feeding the mixture into a reactor, carrying out a reaction process, and carrying out separation purification on the crude product containing N-methylisopropanolamine orderly through an amine distillation column, a light component column and a reduced-pressure rectification column to obtain a refined product of N-methylisopropanolamine. The method fills the gap of high efficiency production of N-methylisopropanolamine in the industry and realizes continuous and stable mass production of N-methylisopropanolamine. The product has stable quality. The method is an eco-friendly process.

The invention discloses hylocereus undulatus pulp and a preparation method thereof. The preparation method comprises the following steps of (1) performing pretreatment: choosing fresh hylocereus undulatus, and cleaning the chosen hylocereus undulatus; (2) performing pulping: conveying the cleaned hylocereus undulatus into a pulping machine, and performing pulping; (3) performing heating and degumming: heating pulp obtained through pulping in the step (2), removing foam floating upwards, and filtering off dregs; (4) performing blending and concentration: uniformly mixing white granulated sugar with xanthan gum to obtain a mixture, adding the mixture to materials obtained in the step (3) and having equal weight as the mixture, continuing stirring while adding the mixture to obtain a new mixture, then putting the new mixture into a steam explosion pot, wherein the pressure is 3.5MPa, maintaining the pressure of 3.5MPa for 3min, performing instantaneous release, heating the obtained materials, concentrating the heated materials until the concentrated materials have a certain content of solid matters, and performing filtration, and taking filtered materials out of the pot; and (5) performing filling, performing sterilization and performing packaging.

The invention discloses a dragon fruit juice and a processing method for reducing gel precipitation. The dragon fruit juice is prepared by 1), pretreatment: picking and cleaning fresh dragon fruits; 2), pulping: feeding the cleaned fruits to a pulping machine to pulp; 3), dilution and filtering: mixing the fruit pulp obtained in step 2) with purified water evenly, statically placing and removing floats, and filtering to obtain clean juice; 4), clarifying: adding color fixative in the clean juice obtained in step 3), and then putting into a steam blasting tank; keeping for 3 min under the pressure of 3.5 MPa; instantly releasing; 5) concentration and settlement: concentrating the materials obtained in step 4) to the weight of step 2) and filtering the materials; 6), mixing: adding sugar and acid; after dissolving evenly, heating the juice and adding potassium sorbate; filtering the juice; 7), filling, sterilizing and packaging the dragon fruit juice.

The invention provides a vacuum insulation panel and a preparation method and application thereof. The preparation method comprises the following steps: (1) mixing a thermal insulation material and a hot melt adhesive, and carrying out compression molding to obtain a core material; and (2) putting the core material obtained in the step (1) into a barrier packaging bag, vacuumizing, sealing and carrying out heat treatment to obtain the vacuum insulation panel. The hot melt adhesive and the thermal insulation material are firstly pressed and formed to obtain the core material, in the heat treatment process, the core material and the core material and the barrier packaging bag can be bonded and fixed together through the hot melt adhesive in the core material, the step of pressing and forming the core material with the barrier packaging bag in a traditional manufacturing method is avoided, the breakage rate of the barrier packaging bag is effectively reduced, and the product qualification rate and the production efficiency are improved, and the method is suitable for large-scale industrial production.