12results about How to "Uniform carbonization" patented technology

The present invention relates to the technical field of carbonization rotary furnaces, specifically to an activated carbon carbonization rotary furnace, comprising: a rotary furnace drum, a drive seat, a coaxial drive assembly, an adjustment shaft disc and a stirring and guiding assembly, wherein the coaxial drive assembly is fixedly mounted on the surface of the drive seat for driving the rotary furnace drum to rotate, the adjustment shaft disc is rotatably mounted on one side of the inner cavity of the rotary furnace drum, and the coaxial drive assembly comprises a gear box, a transmission seat, and an outer sleeve and an inner shaft core rotatably mounted on one side of the gear box. In the present invention, by setting a new rotary stirring structure, the activated carbon inside the rotary furnace is guided by controlling the deflection angle of the guide strip under the drive of the adjustment shaft disc, and the activated carbon can be uniformly stirred by the reciprocating motion of the guide strip during the rotation of the rotary furnace drum, thereby ensuring uniform carbonization of the activated carbon and effectively avoiding the material sticking to the wall inside the rotary furnace drum and the siltation and blockage problem between adjacent guide strips.

The application discloses a carbonization box body, which comprises a main box body, an inner box body arranged in the main box body, a left end plate, a right door frame and a door body.

The invention belongs to the field of soil improvement, and particularly relates to composite rice husk charcoal for improving soil and a carbon sequestration and sequestration method, rice husks are used for preparing rice husk charcoal, then the rice husk charcoal is mixed with calcium bicarbonate, and then calcination is performed to obtain calcified rice husk charcoal; and carrying out alkali treatment on the calcified rice husk charcoal to obtain the carbon sequestration and sink increase composite rice husk charcoal. The composite rice husk charcoal can effectively reduce the salt content and density of soil, increase the content of organic matters, effectively improve salinized soil, improve the survival rate and growth vigor of forest trees and promote the growth of young forests.

The utility model discloses an internal combustion type negative pressure rotary carbonization and activation integrated furnace, which relates to the technical field of carbonization and activation and comprises an internal combustion type furnace body and an auxiliary mechanism, a first rotating mechanism is arranged at the bottom end of the internal combustion type furnace body, and the auxiliary mechanism comprises a first rotating rod rotationally connected to the inner wall of the internal combustion type furnace body. A movable plate is fixedly connected to the outer wall of the first rotating rod, and a second rotating mechanism is arranged at one end of the first rotating rod. The first rotating rod and the movable plate are arranged, the internal combustion type furnace body is driven by the first rotating mechanism to rotate forwards, then the first rotating rod is driven by the second rotating mechanism to rotate reversely, and therefore the movable plate can rotate reversely in the internal combustion type furnace body, and the internal combustion type furnace body rotates reversely. According to the internal combustion type furnace, the internal combustion type furnace body is arranged, so that materials in the internal combustion type furnace body can be moved, the materials in the internal combustion type furnace body can be uniformly carbonized and activated, and the carbonization and activation effects are improved.

The carbonization box comprises a main box body, an inner box body is arranged in the main box body, the left end of the inner box body and the left end of the main box body are fixed to the same left end plate, the left end plate covers the left end of the inner box body and the left end of the main box body, and the right end of the inner box body and the right end of the main box body are fixed to the same right door frame; one side of the door body is movably connected to the right door frame through a hinge, the door body is located on the right side of the right door frame and covers a middle through groove of the right door frame, and the door body and the right door frame are pressed and fixed through the edge of the door body through a plurality of door body locking devices. The carbonization device is uniform in carbonization and high in efficiency, the spiral channel formed between the main box body and the outer box body can be filled with nitrogen, the heat preservation effect is guaranteed when gas does not flow, external gas flows in the spiral channel and is discharged when cooling is needed, rapid cooling of the main box body and the inner box body can be achieved, and the service life of the main box body and the inner box body is prolonged. And therefore, the temperature in the inner box body is rapidly reduced, and materials are convenient to take.

This invention discloses a method for establishing the relationship between the carbonization performance and carbonization structure of low-carbon clinker, comprising the following steps: 1) determining the optimal water-cement ratio w / c and the corresponding molding amount c of the low-carbon clinker using a pressing molding method; 2) performing pressing molding, drying, carbonization curing, and measuring the compressive strength σ of the obtained carbonization product based on the determined w / c and c. c and carbon fixation rate r c 3) Calculate the volume percentage W of CaCO3 formed after carbonization. VCaCO3 The volume percentage of the remaining low-carbon clinker W Vc Then calculate the total volume ratio W between the two. 总 ;4) Establish compressive strength σ c Percentage of total volume W 总 The present invention establishes a stoichiometric relationship between the carbonization performance and carbonization structure of low-carbon clinker. This relationship directly reflects the carbonization performance of low-carbon clinker and can be used to guide the efficient application of different types of low-carbon clinker, making it suitable for widespread application.

The invention discloses a silicon-based negative electrode material and a preparation method and application thereof. A main body material of the negative electrode material is a tin-doped pre-magnesium silicon oxide material, and the surface of the main body material is sequentially coated with a carbon layer and a molybdenum disulfide-doped polyphenylene sulfide coating layer; the preparation method comprises the following steps: S1, crushing silicon, silicon dioxide and tin, mixing, and tabletting; s2, sintering the tabletting material obtained in the step S1 to obtain a tin-doped silicon monoxide material; s3, crushing and grading the product in S2, and controlling the particle size distribution; s4, placing the product in S3 in a rotary kiln in an inert atmosphere, raising the temperature to a sintering temperature, placing dimethyl cyclopentadienyl magnesium in a gas reactor, sintering, and discharging at room temperature to obtain an intermediate product A; and S5, dispersing the product A and molybdenum disulfide in acetylacetone, adding diphenyl disulfide, introducing oxygen for reaction, and performing secondary heating reaction in a nitrogen atmosphere to obtain the molybdenum disulfide doped polyphenylene sulfide coated silicon-based negative electrode material.

The invention relates to the technical field of sodium ion battery material preparation, in particular to a high-performance hard carbon negative electrode material and a preparation method and application thereof.The preparation method comprises the following steps that S1, porous carbon and liquid asphalt are mixed, a binder, a conductive agent and a dispersing agent are added, and an active substance is obtained; and S2, performing ball milling on the active substance, coating the surface of a copper foil with the active substance, drying, covering the surface of the active substance with a layer of copper foil to form a copper foil-active substance-copper foil structure, and performing high-temperature calcination to obtain the high-performance hard carbon negative electrode material. The hard carbon negative electrode material prepared by the method shows relatively high reversible capacity and first coulombic efficiency in the sodium-ion battery, has good cycling stability, and is beneficial to large-scale production of the sodium-ion battery negative electrode material.

This utility model discloses a microbial carbon fixation enhanced recycled aggregate device with stirring function, including an air inlet device, a liquid inlet device, a reaction vessel body, and a collection device. The air inlet device includes a vacuum pump and a carbon dioxide cylinder, with an inlet pipe connected to the carbon dioxide cylinder. The inlet pipe is equipped with a thickened valve, a valve handwheel, a pressure gauge, and an inlet valve. The vacuum pump is connected to the side of the reaction vessel body via a flange. Thus, the heating furnace performs a carbonization reaction by mixing microbial slurry, calcium source solution, and recycled aggregate in the reaction vessel. The recycled aggregate is placed in the reaction vessel, and the device controller controls the introduction of carbon dioxide, the spraying of the solution, and the stirring of the recycled aggregate within the reaction vessel. After carbonization, the aggregate enters the aggregate collection area. This device achieves more uniform carbonization of the recycled aggregate, improves the modification effect of microbial enhanced recycled aggregate, and is suitable for enhancing recycled aggregate with carbon-fixing bacteria.

The invention provides a thermal insulation material for combustion type heating cigarettes as well as a preparation method and application of the thermal insulation material. The thermal insulation material comprises the following components: aerogel particles, hollow glass beads, ceramic fibers and expanded graphite. When the thermal insulation material is applied to combustion type heating cigarettes, the thermal insulation environment can be effectively constructed, the thermal loss of the cigarettes is reduced, the thermal uniformity and the utilization efficiency are improved, and finally the technical effect of more complete carbonization of cigarette core materials is achieved.

This invention relates to the technical field, and more particularly to a carbonization production system for wooden flower stand panels, comprising: a conveying mechanism and a carbonization mechanism disposed on the conveying mechanism, wherein the carbonization mechanism includes a spray gun assembly movable and rotatably disposed on the conveying mechanism, a converging assembly rotatably disposed at the flame end of the spray gun assembly, and an adjusting assembly disposed between the spray gun assembly and the converging assembly; the conveying mechanism continuously conveys the panels within the carbonization mechanism, and the spray gun assembly, in conjunction with the converging assembly, focuses the flame onto the carbonization area of ​​the panel. When grooves and / or ridges are formed on the surface of the panel, causing undulations, the adjusting assembly forces the spray gun assembly to move and rotate, adjusting the temperature of the flame emitted by the converging assembly. Simultaneously, the adjusting assembly forces the converging assembly to move and rotate, adjusting the distance and orientation between the emitted flame and the undulating surface of the panel. This solves the problems of flame dispersion, uneven carbonization and inconsistent depth, and the tendency to create blind spots in existing carbonization systems.

The invention relates to the technical field of building materials, in particular to an industrial-grade aerated concrete block as well as a preparation method and application thereof. The preparation method of the industrial-grade aerated concrete building block comprises the following steps: a plurality of building blocks obtained by cutting a green body are vertically arranged on a top layer of a partition plate at intervals, the top layer is provided with a plurality of through holes, and supporting columns are arranged below the top layer; and then carrying out carbonization curing to obtain the industrial-grade aerated concrete block. The building blocks are vertically arranged on the partition plate with the through holes at intervals, the contact area of CO2 and the building blocks can be increased, each building block has high carbonization efficiency, uniform carbonization of the building blocks is guaranteed, and therefore the average carbonization efficiency of the industrial-grade aerated concrete building blocks is improved.