43results about How to "Not produced" patented technology

The invention belongs to the technical field of fine chemistry and relates to a methyltris(methylethylketoxime)silane preparation method.Methyltrimethoxysilane, diacetylmonoxime and p-toluenesulfonic acid which serves as a catalyst react according to a certain proportion, excessive diacetylmonoxime in the reaction process serves as a solvent to make the reaction more thorough and easier, and methanol is recovered during reaction. After reaction is finished, the diacetylmonoxime which serves as the solvent is recovered by reduced pressure distillation, and the recovered diacetylmonoxime can be recycled.Products obtained by distillation are washed and filtered to obtain high-purity methyltris(methylethylketoxime)silane. The methyltris(methylethylketoxime)silane preparation method has the advantages that product yield is above 97%, product content is above 98%, materials can be recycled completely, no waste liquid is generated, and accordingly environment pollution is avoided.

The invention discloses an environment-friendly profiling firecracker. The environment-friendly profiling firecracker comprises a mold cake (1), an outer box (2) and a cover (8), the outer box (2) is used for packaging the mold cake, the mold cake is provided with a spiral groove (7), bubble bags (4) are arranged in the spiral groove successively and continuously, the mold cake is provided with a rotating rod (3), a spring mechanism (5) connected with the rotating rod is arranged in the middle of the mold cake, and the cover is provided with a safety bolt (6) capable of limiting rotation of the rotating rod; a concave-convex face (20) having the same motion direction as the spiral groove is arranged on the inner side face of the spiral groove, a sliding sleeve (13) is arranged at one end of the rotating rod, the sliding sleeve is connected with a backing wheel (15) through a cantilever (14), the backing wheel (15) can be attached to the outer side face of the spiral groove, the sliding sleeve is provided with a lifting rod (19) capable of moving vertically, the lower end of the lifting rod is connected with a pricking needle (17), and the concave-convex face is provided with a guide wheel (21). The environment-friendly profiling firecracker does not pollute the environment, can save resources, cannot cause safety accidents and can achieve the effect of simulating firecracker setting-off.

The invention discloses a microporous aluminum-salt lithium adsorbent, a preparation method therefor, filler containing the microporous aluminum-salt lithium adsorbent and a lithium ion enriching method. The microporous aluminum-salt lithium adsorbent disclosed by the invention has the molecular formula of LiCl.aAl(OH)3.bH2O and has micropores, of which the average pore size is smaller than 2nm, wherein a is greater than 1 and smaller than 3, and b is greater than 0.5 and smaller than 2. The preparation method disclosed by the invention is simple, and the obtained adsorbent is large in lithium ion adsorption capacity, high in selectivity, simple in eluting regeneration and long in cycle life and can be applied to the separation and extraction of lithium from lithium-containing saline lake brine, salt-field concentrated lithium-containing senescent brine, lithium-containing medicinal wastewater and a lithium-containing solution with the mineralization degree lower than 50g / L.

The invention relates to a titanium alloy surface boronizing method belonging to the technical field of metal surface treatment. The method comprises the following steps: performing the degreasing, water washing and surface polishing pretreatment on a titanium alloy surface, pressing boron carbide powder penetrating agents with the granularity of less than or equal to 0.1 mm and the pretreated titanium alloy material into sectional materials by using a pressing machine, putting the sectional materials into a crucible and covering the crucible with a cover, sealing gaps between the cover and the crucible by using adhesives, drying the crucible, performing the heating, heat preservation and cooling treatment on the crucible at the condition of raising the temperature with the increase rate of 8-10 DEG C / min to 1000-1200 DEG C in heating and the heat preservation time of 5-20 hours, and taking out the crucible and cooling the crucible to the room temperature. The method can reduce the varieties of composition materials of bornizing agents, thereby simplifying the titanium alloy surface boronizing technology and reducing the operation conditions so as to obtain an ideal alloying thickness of titanium alloy such as TC4 and the like under the air condition, and the boronizing agent of single composition can avoid the pollution of harmful gases to the environment.

The invention discloses a method and a device for realizing the connection between a pipe and a plate by utilizing the plastic deformation of the pipe, and belongs to the technical field of material connection. Combining the pre-flanging of the plate with the shrinkage cavity of the pipe, the plastic deformation of the flanging part of the plate is used to realize the plastic connection between the plate and the end of the pipe. The method is simple to operate, can use existing equipment to construct corresponding devices, has low requirements on power sources, simple steps, is suitable for mass production, molds ensure forming accuracy, high repeatability, high production efficiency, and does not pollute the environment. Plastic deformation is adopted, so that no harmful substances are produced during the entire connection process, which is environmentally friendly. The device for realizing the method has simple structure, reasonable design, convenient installation and good compatibility with conventional equipment.

The invention relates to a metal and asphalt composite tile for special-shaped roofs, comprising an asphalt base and a metal layer with a surface coating, and a surface for bonding is provided between the asphalt base and the metal layer with a surface coating. The bonding layer between the metal layer of the coating and the asphalt base, and the lower part of the asphalt base is provided with a protective film. Its beneficial effects are: the present invention has great advantages in terms of flexibility, fixing method, light-weight property and rich colors, and is very suitable for the application of special-shaped roofs, such as curved roofs such as spherical surfaces and conical surfaces; An adhesive layer is provided between the metal layers with surface coating to make the metal layer with surface coating and the asphalt base firmly bonded; by providing a surface coating, the metal with surface coating can be protected The role of layer and decoration; through the metal layer with surface coating, there is a flange for wrapping the asphalt base layer, so as to avoid the waterproof material from being directly exposed to the sun and rain to accelerate its aging.

The invention discloses a process for generating combustible gas by virtue of sludge gasification. The process comprises the following steps: 1, dewatering sludge; 2, granulating the dewatered sludge, airing and drying; 3, feeding dried sludge granules into an integrated sealed pyrolysis gasification device, and gradually drying, drily distilling, carbonizing, gasifying and combusting the sludge granules from top to bottom in the integrated sealed pyrolysis gasification device; and finally discharging gas generated in the device through a pipeline, collecting the gas, combusting organic matter residues and inorganic matters at high temperature to obtain harmless molten slag, and discharging the molten slag through a slag outlet. According to the process, 200 tons of sludge with the water content of less than 60% can be treated by a monomer gasification device each day; the reduction, the harmlessness and the energization of the sludge treatment are realized; the dioxin generation conditions are avoided; the operating cost is low, namely a large quantity of manpower cost can be reduced due to automated operation and management; 1 ton of sludge with the water content of less than 30% can be averagely gasified to generate 1600Nm<3> of combustible gas.

The present invention discloses a Chinese medicine composition with the actions of boosting liver, enriching kidney, removing toxic material and dispelling dampness for curing the diseases of hypochondriac pain, reduced food intake, obdominal distention, aching lumbus, lack of strength and yellow urine, etc. due to deficiency of liver-yin and kidney-yin and noxious dampness. Said Chinese medicine composition can be made into compound Yiganling dripping pills, and is made up by using Chinese medicine Yiganling powder and Wurenchun extract as raw material and medicinal carrier as matrix through a certain preparation process.