6results about How to "Good mixing performance" patented technology

The invention belongs to the technical field of building materials, and discloses a cement-based composite material based on multistage toughening and intelligent repairing and a preparation method thereof.The cement-based composite material comprises finished product dry powder, an additive and mixing water, and the finished product dry powder comprises, by mass, 400-500 parts of ordinary Portland cement, 50-100 parts of mineral powder and 20-60 parts of nano metakaolin; the invention relates to a water-based composite material which comprises the following components in parts by weight: 15-35 parts of epoxy modified redispersible latex powder, 1-5 parts of pre-water-absorbing SAP microspheres, 0.5-1.5 parts of PP fibers, 0.5-1.5 parts of PVA fibers, 800-900 parts of machine-made sand, 1-3 parts of surface-treated shape memory alloy short fibers and 3-8 parts of elastic polymer microspheres. The additives comprise a geopolymer prefabricated liquid, a water reducing agent, a defoaming agent and a retarder, and the mass ratio of the finished product dry powder to the geopolymer prefabricated liquid to the mixing water to the water reducing agent to the defoaming agent to the retarder is 100: (25-28): (8-10): (5-10): (1-3): (0.5-2). Compared with the existing material, the cement-based composite material provided by the invention has the characteristics of high toughness, impact resistance and low shrinkage, and also has an internal repair function.

This invention discloses a room-temperature bio-based asphalt cold patch and its preparation method. The cold patch comprises 96.5-98 wt% recycled asphalt pavement material and 2-3.5 wt% bio-based asphalt cold patch liquid. The cold patch liquid comprises 60-70 wt% base asphalt, 10-20 wt% bio-based diluent, and 20-30 wt% bio-based regenerator. The preparation method includes the following steps: preparing epoxidized soybean oil methyl ester and hydrogenated ricinoleate methyl ester; mixing vegetable oil and its derivatives, fatty acids and their esters, natural small-molecule organic components, and oxalic acid at room temperature to obtain a bio-based diluent; heating the base asphalt to a fluid state and adding the bio-based regenerator, followed by cooling and adding the bio-based diluent to obtain the cold patch liquid; and adding the cold patch liquid to the recycled asphalt pavement material and mixing to obtain the cold patch. The bio-based asphalt cold patch of this invention has high initial strength, high pavement stability after repair, and significantly reduces the rework rate and the probability of recurring defects.

This application provides a structural simulation analysis method and apparatus based on carboxymethyl cellulose multi-component mixing. The method includes: constructing multiple multi-component mixing models with the same external dimensions but different internal structures; performing fluid dynamics simulation on each multi-component mixing model to simulate the mixing process of multiple fluids and obtaining the corresponding mixing results; and determining the multi-component mixing model with the optimal mixing effect based on comparative analysis of the mixing results. This application, by constructing and simulating multiple multi-component mixing models with different internal structures in parallel and comparing and analyzing their mixing results based on fluid dynamics principles, can quickly and objectively select the mixing model with the optimal mixing efficiency.

This invention discloses a mine backfill cementitious material and its preparation method. The mine backfill cementitious material of this invention comprises the following components in the following mass ratios: high belite sulfoaluminate cement clinker: 3-8 wt%; high free calcium silicate cement clinker: 1-3 wt%; granulated blast furnace slag powder or granulated blast furnace slag: 74-85 wt%; gypsum: 10-18 wt%. Compared with other paste-like backfill materials of the same strength, the cementitious material of this invention solves the problems of poor activation effect, poor mechanical properties affecting the mine backfilling effect, and high cost due to large amount of cementitious material used in existing mine backfill cementitious materials. At the same time, it not only reduces the proportion of cementitious material used, but also fully meets the requirements of mine backfilling projects.

The utility model relates to the technical field of white spirit brewing equipment, in particular to a mixing mechanism which comprises a stand column assembly, a main rotary support, a mixing bin body, a hopper, a hopper bracket and a locking mechanism. The main rotary bracket performs turnover motion on the upright post assembly; the mixing bin main body horizontally rotates on the main rotary bracket, and a first opening is formed in the lower part of the mixing bin main body; the hopper is provided with a second opening which is in butt joint with the first opening of the mixing bin main body; the hopper is butted with the mixing bin main body to form a sealed container; the hopper bracket is used for supporting the hopper; and the locking mechanism is used for locking the hopper bracket and the main rotary bracket. According to the mixing mechanism disclosed by the utility model, the mixing bin main body is horizontally and rotatably arranged on the main rotary bracket, and meanwhile, the main rotary bracket is arranged on the upright post assembly in an overturning manner, so that the mixing process can be started as long as the hopper is in butt joint with the mixing bin main body and the hopper bracket is locked with the main rotary bracket, and the butt joint process is rapid and high in efficiency.

The utility model relates to a technical field of mixing mechanism, concretely to a kind of construction engineering gypsum powder mixing mechanism, including mixing jar, the lower surface of mixing jar is fixedly connected with valve pipe, the inner wall of mixing jar is rotatably connected with pivot, the lower surface of mixing jar is fixedly assembled with the motor of pivot fixed connection, the upper end of pivot is fixedly connected with round plate, the upper surface of round plate is fixedly assembled with electric push rod, the output end of electric push rod is fixedly assembled with connecting rod, the circumferential surface of connecting rod is fixedly assembled with stirring vane, the circumferential surface of pivot is fixedly assembled with fixed block, connecting rod slidingly penetrates fixed block, the circumferential surface of pivot is fixedly assembled with scraper, scraper is in the inner wall of mixing jar.The utility model, by setting pivot, electric push rod and stirring vane etc., when mixing gypsum powder raw materials in the process of construction, the position of stirring vane can be adjusted according to the material amount of gypsum powder raw materials, so that stirring vane can fully mix gypsum powder raw materials, and mixing efficiency is improved.