30results about How to "Improve separation performance" patented technology

The activity excitant for flyash as cementing material may be used to make the flyash adding amount as high as 70 % without affecting the early strength of cement and concrete. The activity excitant consists of iron powder in 20-50 wt%, calcium oxide in 20-40 wt%, densifying agent 0.05-0.5 wt% and flyash 10-40 wt%, and is added into cement and concrete in the amount of 1-3 % of cementing material. The production process includes air drying and sieving iron powder, milling calcium oxide to obtain calcium oxide powder, and mixing the said material in the said ratio.

The invention discloses a polyaluminum chloride waste slag regenerated concrete curb and a preparation method thereof. The raw materials include: sand 600-690kg / m in terms of mass per unit volume 3 , recycled coarse aggregate 375 ~ 400kg / m 3 , natural coarse aggregate 750~800kg / m 3 , Thermally activated polyaluminum chloride waste residue 40-80kg / m 3 , Cement 220~260kg / m 3 , Fly ash 40~80kg / m 3 , the water-to-cement ratio is 0.40-0.45; the amount of water-reducing agent is 0.30-0.55% of the gelling material, the amount of defoamer is 0.10-0.15% of the gelling material, and the amount of alkali activator is 2.5-0.5% of the gelling material 5.3%. The present invention adopts industrial waste polyaluminum chloride waste slag and recycled aggregate to make road curbs. The production method is simple and the cost is low, which can effectively reduce the large amount of polyaluminum chloride waste slag and construction waste piled up, and can also reduce the waste of high energy consumption cement. The amount used is of great significance to reduce construction costs and reduce environmental pollution, and has good social and economic benefits.

The invention discloses an anti-isolation structure for dry-mixed mortar. The anti-isolation structure comprises a tank body, a material separating device, an anti-isolation structure, a discharge mechanism, a drive mechanism, shock absorption rubber mats and a pedestal; a material separating assembly is arranged on the center position of the upper part of the tank body; the part, extending out of the tank body, at the upper end of the material separating assembly is sleeved by a driven gear; a charge hole is formed in a position, above the driven gear, of the material separating assembly; a charge hole cover is arranged on the charge hole; a transmission belt is mounted at the periphery of the driven gear; one end of the transmission belt is in transmission connection with the driven gear, and the other end of the transmission belt is in transmission connection with the drive mechanism. The anti-isolation structure disclosed by the invention can prevent isolation of mortar very well, and improves quality of the mortar during building. The anti-isolation structure disclosed by the invention is suitable for being widely applied to the technical field of dry-mixed mortar equipment.

The invention discloses a dry-mixed mortar anti-separation structure. The structure comprises a tank body, a material dividing device, an anti-separation structure, a discharging mechanism, a drive mechanism, a vibration reduction rubber pad and a base; a material dividing assembly is assembled at the central position of the upper portion of the tank body, the portion, stretching out of the tank body, of the upper end of the material dividing assembly is sleeved with a driven gear, a feeding opening is formed in the position, located above the driven gear, of the material dividing assembly and is provided with a feeding opening cover, a transmission belt is arranged on the periphery of the driven gear, one end of the transmission belt is in transmission connection with the driven gear, and the other end of the transmission belt is in transmission connection with a drive mechanism; mortar separation can be well prevented, the mortar quality during building is improved, and the structure is suitable for being widely applied in the technical field of dry-mixed mortar equipment.

The invention discloses a segregation preventing structure for dry-mixed mortar. The segregation preventing structure for the dry-mixed mortar comprises a tank, a distribution device, a segregation preventing structure body, a discharging mechanism, a driving mechanism, damping rubber pads and a base. A distribution assembly is assembled in the central position of the upper portion of the tank. The portion, stretching out of the tank, of the upper end of the distribution assembly is sleeved with a driven gear. A feeding port is formed in the distribution assembly and located above the driven gear. A feeding port cover is arranged on the feeding port. A driving belt is mounted on the periphery of the driven gear. One end of the driving belt is in transmission connection with the driven gear, and the other end of the driving belt is in transmission connection with the driving mechanism. By the adoption of the segregation preventing structure for the dry-mixed mortar, segregation of the mortar can be well prevented, and the mortar quality in the construction process is improved. The segregation preventing structure for the dry-mixed mortar is suitable for being widely applied in the technical field of dry-mixed mortar equipment.

The invention discloses a temperature variation resistant waterproof material, and relates to the technical field of waterproof materials. The temperature variation resistant waterproof material is prepared by doping attapulgite modified asphalt with impregnated nitrogen and silicon and then coating a single face with a plastic film. The temperature variation resistant waterproof material providedby the invention is characterized in that the transverse tensile strength is 38.6MPa on average, the transverse breakage extension rate is 740 percent on average, the longitudinal tensile strength is46.2MPa on average, the longitudinal breakage extension rate is 670 percent on average, and the temperature variation resistant waterproof material can bear the high temperature of 72 DEG C and the low temperature of minus 45 DEG C.

The invention provides a self-supporting high-bonding prestressed tunnel pressure slurry and a preparation method thereof. The self-supporting high-bonding prestressed tunnel pressure slurry comprises chlorite powder with pozzolanic activity, porous pozzolan, vermiculite powder, MIM stainless steel powder with good corrosion resistance and durability, thickener, defoamer, water reducer, and water are mixed and stirred. The prestressed tunnel pressure slurry made of the above raw materials not only has self-maintenance function, high early strength, high bonding force with steel bars and tunnel walls, but also volume stability, corrosion resistance of steel bars and durability of the entire concrete structure. substantial improvement.

An unpowered anti-blocking grate bar slide sieve comprises a sieve plate (1). The sieve plate (1) is provided with a plurality of gaps (3) in the material sliding direction, wherein one end of every gap (3) is open. Grate bars (2) are arranged between the adjacent gaps (3). The unpowered anti-blocking grate bar slide sieve is characterized in that the sieve plate is installed on a beam (4) inside a sieve body or an external fixable object and is inclined in the material sliding direction relative to the horizontal plane, one end of the sieve plate (1) is located below a feeding port (6), and the other end of the sieve plate (1) is provided with a discharging port (5). The unpowered anti-blocking grate bar slide sieve is unpowered, does not block materials and is low in production loss, gaps of the grate bars can be adjusted on the site according to material grain size requirements of a device or a client, the grate bars are made of alloy castings, the slide sieve is ultra high in abrasion resistance and heavy load, high in corrosion resistance, low in manufacturing cost, simple to install and maintain and small in occupied space, concentrated sieving of products is achieved, materials are collected in a concentrated mode, the capacity requirements of large mining devices can be met, and the materials with the grain sizes of 3-300mm can be sieved.

The invention discloses a polyaluminum chloride waste slag dry-mixed mortar and a preparation method thereof. The dry-mixed mortar comprises the following raw materials in parts by mass: 4-8 parts of heat-activated polyaluminum chloride waste slag, 23-25 ​​parts of cement, 55-60 parts of sand, 4-6 parts of fly ash, 0.05-0.15 parts of defoamer, 0.20-0.22 parts of water reducing agent, and polymer emulsion of 5%-9% of the total mass of the above raw materials. The present invention uses industrial waste polyaluminum chloride waste slag and fly ash to replace high-energy-consuming cement to prepare cement mortar, which can effectively reduce the large-scale stacking of polyaluminum chloride waste slag and reduce the use of high-energy-consuming cement, and has good social and economic benefits. The preparation method of the polyaluminum chloride waste slag dry-mixed mortar is simple and low in cost, is beneficial to industrial production and popularization, can significantly improve the resource utilization of the polyaluminum chloride waste slag, and is of great significance in reducing construction costs, reducing environmental pollution, and the like.

The invention provides a Buton rock-modified asphalt waterproof rolling material coating material and a preparation method thereof, and belongs to the technical field of waterproof materials. The coating material is prepared from, by mass, 35%-45% of 90#matrix asphalt, 35%-50% of Buton rock, 8%-12% of SBS, 3%-5% of naphthenic oil, 2%-5% of polypropylene and 0%-10% of talcum powder. According to the Buton rock-modified asphalt waterproof rolling material coating material and the preparation method thereof, the Buton rock is treated and then doped into the matrix asphalt to prepare Buton rock-modified asphalt, and then the SBS modifier is added to prepare SBS-Buton rock composited modified asphalt; compared with the process that the asphalt is modified by the SBS singly, by adding the Buton rock, the production cost can be reduced, the high temperature resistance and the separation property of the modified asphalt are improved, and not only is the effect of replacing part of the SBS modifier achieved, but also the properties of the modified asphalt can be improved; due to the fact that the Buton rock contains 70% or above of carbonate, part or even all fillers such as the talcum powder can be replaced by doping the Buton rock.