31results about How to "Carbon free" patented technology

A method for treating soft ground with microbial grouting drainage sand piles, the steps comprising: a. making a pile hole 1 on the soft foundation to be treated, and pouring sand into the pile hole 1 to form a sand pile; b. using grouting The tube 6 uniformly injects the urease-producing bacteria liquid 9 and the nutrient salt solution 10 into the sand pile in sequence, and cements the sand grains through the technology of microorganism-induced calcium carbonate crystallization, and controls the concentrations of the urease-producing bacteria liquid 9 and the nutrient salt solution 10 to make the pile The sand in the body forms a specific cementation form to ensure that it has good water permeability; c. After the microbial grouting solidification sand pile is formed, a flexible permeable sand cushion 4 is laid on the top of the foundation composed of the sand pile and the soil between the piles. Apply a preload 5 on the top of the flexible permeable sand cushion 4, so that the pore water in the soil between the piles 2 is discharged along the drainage channel formed by the sand pile and the sand cushion, the soil between the piles is consolidated, and the microbial grouting sand pile, The soft soil after drainage and consolidation and the overlying flexible permeable sand cushion jointly form a composite foundation with high bearing capacity.

The invention relates to a wind energy electricity generating and supplying system of an electromobile, relating to a wind power generation system, in particular to a wind energy electricity generating and supplying system provided for the electromobile. The wind energy electricity generating and supplying system comprises a ventilating duct, a wind speed flow-limiting valve, a plurality of wind energy generators, an automatic voltage regulator of a generator set, a power supply device and a power supply combination box, wherein the ventilating duct is arranged at the bottom of the electromoible, the wind energy generator is arranged in the ventilating duct, and the wind speed flow-limiting valve is installed at the wind inlet of the ventilating duct. A rectification voltage stabilizer comprises a rectifying diode and a voltage stabilizing diode, and a plurality of groups of line banks are installed in the power supply combination box. The power supply device comprises a control powersupply transformer and a power supplying and standby power supply, wherein the input end of the control power supply transformer is connected with the output end of a standby power supply, and the power supplying and standby power supply comprises a solid contactor, a bypass switch, a maintenance bypass switch, a bypass static switch, an output switch, a charger, an inverter, an inverting static switch, a battery pack, a standby battery pack and a filter.

The invention relates to a hot-melt adhesive for transparent PP (polypropylene) boxes and a preparation method of the hot-melt adhesive, in particular to a hot-melt pressure-sensitive adhesive of polyolefin and a preparation method of the hot-melt pressure-sensitive adhesive of polyolefin, belonging to the technical field of a macromolecular adhesive. The preparation method comprises the following steps: adding metallocene-catalyzed propylene wax, tackifying resin which is C5 hydrogenated petroleum resin, and antioxidant into an electric-heating reaction furnace for heating; starting stirring, adding amorphous poly alpha olefin (APAO) and maleic anhydride-modified polyolefin, heating and melting; vacuumizing and then packaging to obtain the product hot melt adhesive for transparent PP boxes. The hot-melt adhesive of the polyolefin provided by the invention is characterized by simple preparation process, excellent performance at high temperature and low temperature, no carbonization, good initial adhesion, good final strength and low cost. The components with low viscosity are added firstly and then the components with high viscosity are added in the component adding process; and the rotation load of stirring paddles in the whole stirring process can be reduced, the mixing time can be decreased and the production cost can be saved by the adding sequence of the components.

The invention relates to a graphite electronic heat radiation material as well as a preparation method and application of the graphite electronic heat radiation material. The preparation method comprises the following steps that 1) expandable graphite is sent into pulses in a high-temperature furnace and a high-frequency electric induction field to be expanded into graphite worms; 2) the graphite worms are subjected to solid-gas separation; 3) the graphite worms directly pass through carbon nanometer tubes or are added into the carbon nanometer tubes after being cooled, then, the graphite worms pass through a conveying belt, electrodes are arranged under the conveying belt, calendar rollers are arranged above the conveying belt, and the pure graphite worms subjected to primary compression or the graphite worms containing the carbon nanometer tubes are obtained; and 4) the graphite worms are pressed into flexible graphite films, plates or coiled materials in a molding pressing or multi-section rolling modes. The graphite electronic heat radiation material has the beneficial effects that 1) the expansion is very sufficient, and substances inserted into positions between layers are basically volatilized at all; 2) the energy is saved, the emission is reduced, and the fuel gas heat source realizes the carbon-free discharge; 3) the heat conductivity index of products is improved; and 4) the vertical surface heat conductivity can reach 10 to 30w / (m.l), and the parallel surface heat conductivity can reach a value higher than 300 to 900w / (m.k).

The invention relates to mobile phone battery aluminum foil packing seal hot melt glue and a preparation method thereof, belonging to the technical field of macromolecular viscose. The method comprises the following steps of: putting sasol wax, tackifying resin C5 hydrocarbon resin and an antioxidant into an electric heating reaction furnace and heating; stirring; adding polyolefin and maleic anhydride modified polyolefin; heating for melting; and vacuumizing, discharging and packing to obtain a mobile phone battery aluminum foil packing seal hot melt glue product. Through the invention, the prepared polyolefin hot melt glue is simple in technology, excellent in high and low-temperature performance, good in initial adhesion and final strength and lower in cost, and prevents carbonization. When in feeding, components with lower viscosity are fed before components with higher viscosity; and the charging order can reduce the rotation load of a stirring paddle in the whole stirring process, reduce the mixing time and save the production cost.

The invention relates to a method for preparing TiAl by using Fe-containing waste aluminum alloy and waste SCR catalyst 3 The method for alloy and low-Fe aluminum alloy belongs to the technical field of solid waste resource utilization. In the present invention, the waste SCR catalyst, the waste aluminum alloy containing Fe and the slagging agent are uniformly mixed, and then placed in an inert atmosphere and the temperature is not lower than 1873K for reduction melting, and the Ti-Al alloy and the waste slag are obtained after the slag and gold are separated, and the Ti The ‑Al alloy is heated to a molten state under an inert atmosphere or vacuum to obtain a Ti‑Al alloy melt, and the Ti‑Al alloy melt is separated and purified by directional solidification to obtain a titanium-aluminum alloy ingot. 3 Alloy, Fe-Mn impurity-rich phase, low-Fe aluminum alloy and impurity-rich phase by boundary cutting to obtain TiAl 3 alloys and low-Fe aluminum alloys. The invention can realize the simultaneous recovery of waste SCR catalysts and Fe-containing waste aluminum alloys, and prepare them into TiAl 3 alloys and low-Fe aluminum alloys.

A method for preparing light-burned magnesia by cracking magnesite, relates to a method for preparing light-burned magnesia. In the first step of the method, magnesite powder (200 mesh) is preheated by a rotary preheater, and then processed The silo and material legs evenly enter the fluidized bed; the second step is that the magnesite powder is suspended in the high temperature (900°C-1200°C) carbon dioxide gas flow (residence time 5s-9s) and cracked to generate magnesium oxide powder and carbon dioxide gas; the second step The magnesium oxide powder and carbon dioxide gas generated in the three steps enter the cyclone separator to realize the separation of magnesium oxide powder and carbon dioxide; in the fourth step, the high temperature magnesium oxide powder settles to the silo, and is cooled by a heat exchanger to obtain lightly burned magnesium oxide powder; In the fifth step, part of the high-temperature and high-purity carbon dioxide is circulated as a fluidized gas, which is mainly coupled with methane to generate synthesis gas and methanol; in the sixth step, air and high-temperature magnesium oxide powder are exchanged through a rotary jacket heat exchanger. After heating, it is used for preheating magnesite powder to realize waste heat utilization.

The invention discloses an external wall heat-insulation and fire-retardant material and a preparation method thereof. The external wall heat-insulation and fire-retardant material is characterized by being prepared from 60-70 parts of foamable thermoset phenolic resin, 30-40 parts of thermoset linear urea resin, 3-8 parts of Tween 80, 10-30 parts of quartz powder, 10-15 parts of micro powder aluminium hydroxide, 10-20 parts of 4A zeolite, 5-12 parts of n-pentane and 2-6 parts of concentrated sulfuric acid. The external wall heat-insulation and fire-retardant material product disclosed by the invention is characterized in that the oxygen index is more than or equal to 55%, the water absorption is less than or equal to 2% (soaked for 24 hours), the heat conductivity coefficient is 0.02-0.029w / mk, the stability and weather resistance of the product are good, and the external wall heat-insulation and fire-retardant material product is non-toxic, odourless and environmentally-friendly. The external wall heat-insulation and fire-retardant material product is ideal fireproof, heat-insulation, energy-saving and beautiful environmentally-friendly decorative material. Detections carried out by national fireproof construction material quality supervision and inspection center show that the combustion performance of the external wall heat-insulation and fire-retardant material product disclosed by the invention is up to the grade A of the standard GB8624-2006 classification for burning behaviour of building materials and products.

The invention relates to a method and device for manufacturing low-carbon and high-efficiency nano-zirconium silicate, comprising: a high-energy drum-type ultra-fine ball mill, a high-efficiency stirring nano-ball mill and a nano-material slurry water separation device. The low-carbon high-efficiency nano-zirconium silicate manufacturing method of the present invention improves the traditional ball mill into a high-energy drum-type ultra-fine ball mill, improves the traditional agitating ball mill into a high-efficiency agitating nano-ball mill, and newly invents a nano-material slurry water separation unit, Make zirconium silicate products enter the era of high-efficiency nano-scale processing and production from the micron-scale era. It is the first time to use liquid packaging technology in the zirconium silicate industry, which saves the drying process, reduces costs, and has no carbon emissions. It realizes the low-carbon, green, and circular production and sales methods of nano-zirconium silicate production.