99results about How to "Complete workmanship" patented technology

The invention relates to a method for processing organosilicon waste water. The method optimizes and combines a preprocessing unit and a biochemistry unit, aiming at the properties of high salt and difficult degradation of the organosilicon waste water. The method can process the organosilicon waste water to the second grade standard of integrated wastewater discharge standard (GB8978-1996). The organosilicon waste water is strongly acidic. A preneutralization pool is arranged at the front end of technological process and neutralizes the PH of the waste water to about 1 to 2. The waste water enters a micro-electrolysis reactor which is filled with micro-electrolysis stuffing. The effluent enters a secondary neutralization pool, and water volume and PH value are adjusted further. The waste water enters a biochemistry processing establishment and at last enters a secondary sedimentation tank. The biochemistry processing system of the waste water comprises a primary oxygen compatibility pool, a primary aerobic pool and a secondary aerobic pool. Microbial flora and relative carriers are added to the pools. The invention has the advantages that the processed organic waste water is guaranteed to meet the specified standard and the processing cost is reduced greatly. The win-win solution of economy and environment is realized.

The present invention provides preparation process of mica iron oxide with controllable particle size and color. Ferrous sulfate as the side product of titanium white powder production is used as the material, and through dissolving and purifying, oxidation, creating precursor, hydrothermal reaction and crystallization in controlled conditions, and post-treatment, mica iron oxide with controllable particle size and color is prepared. The mica iron oxide product is in regular hexagonal sheet shape and has particle size of 40-180 micron and color regulated through altering the crystal growth promoter adding amount, medium concentration, temperature and time in the hydrothermal reaction and crystallization stage.

The invention discloses a molten carbon heating type induction furnace based vacuum magnesium production system. The system is characterized by comprising a pulverizing system, a preheating decomposing system, a roasting system, a secondary heating system, a vacuum reaction system and a condensing collecting system which are sequentially connected. The magnesium production method of the system comprises three stages, namely, the preparation stage, the induction furnace based vacuum magnesium production stage, and the starting and stopping stage after finishing. According to the system and the method, magnesium-contained powder which is pulverized, decomposed and heated is utilized; a melting tank in which iron is molten into liquid is subjected to vacuum treatment and then charged with argon; high-temperature carbon powder and the magnesium-contained powder are sprayed in the melting tank to reduce so as to produce magnesium steam; the magnesium steam is converted into molten magnesium after being collected and condensed, wherein the molten magnesium is coarse magnesium which is refined to obtain a magnesium ingot. The system and the method are reasonable and compact in production process, complete in equipment coordination and process, fast to react, short in reacting time, and high in production efficiency, and can reduce more than 1/3 of the production cost.

The invention provides a method for preparing micaceous iron oxide, which has the advantages of controllable grain size and color change, high purity, complete and reliable production process, easy operation and high resource utilization rate, by a molten salt growth method. In the method, ammonium ferrous sulfate or ferrous sulfate or a mixture of ammonium ferrous sulfate and ferrous sulfate serving as an iron source and sulfates or chlorides or a mixture of sulfates and chlorides serving as a fluxing agent are mixed and melted to form the micaceous iron oxide, wherein the main component of the micaceous iron oxide is a-Fe2O3. The method has the advantages of low cost, easy operation, complete process, no toxicity, high chemical stability, high purity, high crystallinity, high heat resistance, easy realization of industrialization and the like.

The invention provides a process for producing a door curtain material, which comprises delivery of polyester fiber grey cloth, double-face coating treatment, pre-plasticizing and gelling, planishing and cooling, primary coating of a horizontal coating head, plasticizing treatment, cooling and shaping, secondary coating of the horizontal coating head, plasticizing treatment, embossing, cooling, winding, surface treatment and preparation. The process combines net sandwich cloth coating and surface treatment process, is complete relatively to common coating processing, can process a vertical coating, a surface layer and a bottom layer, reduces the intrusion of ultraviolet rays on the coating by adopting the surface treatment process on the one hand, can prevent plasticizing agent from being transferred to the surface of a product on the other hand so as to achieve the antifouling effect and achieve the aim of self-cleaning by means of rainwater; and the product has good air tightness and superior abrasion-resisting property, is suitable for outdoor application, and has long service life and remarkable economic benefit.

The polyurethane condom producing process includes dissolving polyurethane grains in organic solvent, filtering, soaking mold after being treated specially in the solution to form, drying, rolling hem, powdering, demolding and other steps. The polyurethane condom product has excellent performance and the process is complete, easy to roll hem and demold and high in production efficiency.

The invention discloses a sludge treatment process which comprises the following steps: (1) sterilizing sludge so as to kill microorganisms in the sludge; (2) dewatering and drying the sterilized sludge so as to reduce the water content of the sludge; (3) separating the dried sludge, carrying out high temperature plasma treatment on the separated sludge, and burning separated smoke; (4) carrying out sludge-smoke separation on smoke generated by reburning treatment, carrying out high temperature plasma treatment on the separated sludge again, and purifying and cooling the separated smoke. The invention further discloses a sludge treatment system capable of carrying out the sludge treatment process. The sludge treatment system comprises a sterilizing device, a dewatering device, a drying device, a plasma gasifying or plasma vitrifying device and a purifying device. The sludge treatment system can realize harmless, reducing and resourceful treatment for the sludge and does not generate secondary pollution, is safe and reliable, and can realize thorough treatment for the sludge.

The invention discloses an electric arc furnace vacuum magnesium smelting system. The electric arc furnace vacuum magnesium smelting system is characterized by comprising a grinding system, a preheating-decomposition system, a calcination system, a secondary heating system, a vacuum reaction system and a condensate collection system which are sequentially connected with one another. A magnesium smelting method of the electric arc furnace vacuum magnesium smelting system comprises the following stages: preliminary preparation; electric arc furnace vacuum magnesium smelting; and startup and shutdown after reaction completion. The electric arc furnace vacuum magnesium smelting system and the magnesium smelting method disclosed by the invention have the advantages that magnesium-containing powder obtained after grinding, decomposition and heating is subjected to vacuum treatment in a molten pool where iron is molten into liquid iron, and then argon gas is injected and high-temperature magnesium powder is sprayed, so that magnesium steam is generated after reduction; after collection and condensation, the magnesium steam turns into liquid magnesium to form rough magnesium; then, a magnesium ingot is cast through refining; the production process is reasonable, compact, matching in equipment, complete in technology, rapid in reaction process, short in time and high in production efficiency; and the production cost is reduced by 1/3 or above.

The invention discloses a high temperature Fe-based solder for brazing 50Mo-50Re alloy and preparation method thereof, and brazing process. The solder includes the components with following weight ratios: Co 4wt%-9wt%, Ni 3wt%-12wt%, Si 3wt%-8wt%, B 0wt%-3wt%, Nb 3wt%-5wt%, and the balance Fe. The preparation method for the high temperature Fe-based solder comprises the following steps: mixing Fe particles, Si particles, B particles, Co particles, Ni particles and Nb particles evenly in proportion, making the solder into foil strip shape with a thickness ranging from 20-50Mum by using vacuum induction melting furnace and high vacuum spinning machine. The temperature for brazing the solder ranges from 1060-1160 DEG C, and the melting temperature of the solder keeps extremely high to ensure the high temperature performance of a weld. The solder is molten uniformly. The use of solder foil is conducive to promoting the diffusion of alloy elements in soldered connection process, and the solder foil is conducive to promoting element diffusion in soldered connection process. Solid solution can be generated by Fe element and Mo element; Co element and Nb element can promote the diffusion of Mo element and Re element in a brazing seam, so as to form a wide diffusion layer. The performance of the brazing seam is improved.

The invention relates to a laminating machine convenient to install and maintain, which comprises a heating workbench and an upper cover, wherein the upper cover consists of an upper chamber, a silica gel plate and an upper chamber sealing ring which are combined in turn; a laid battery pack is arranged on the tabletop of the workbench of the laminating machine; the upper cover is pressed down, so that the upper cover is closely combined with the edge of the heating workbench, and a vacuum chamber is formed between the upper cover and the heating workbench; a lower chamber sealing ring is arranged at the periphery of the heating workbench so as to seal the vacuum chamber; an electric heating device and a temperature control device are arranged in the heating workbench, aluminium silicate light bricks coated with teflon cloth are paved under the heater, the size of the light bricks is equal to the area of a hot plate, and the thickness of the light bricks is about 5 centimeters; the heater is positioned between the hot plate and the aluminium silicate, a lead of the heater is welded with a small section of copper wire to connect a screw of a bakelite plate, and the screw is communicated with the outside; and the welding mode is brass soldering. The installation and fixation of a thermoelectric couple are mainly described; and because the laminating machine is high in vacuum degree of installation mode, long in service life and convenient to maintain, the laminating machine is suitable to be widely applied to a solar battery assembly process.

The invention relates to an automatic assembly and detection equipment and process method for mobile phone card holders, comprising first and second working cabinets, the first working cabinet is respectively equipped with a main body feeding and testing device, a shell feeding device and an automatic assembly device, and the second The work cabinet is respectively equipped with a finished product transfer device, a finished product detection device and a braiding and packaging device. The main body feeding and testing device and the shell feeding device are respectively connected with the automatic assembly device. The packaging devices are connected, and each device is respectively connected with a controller device and a display device. The invention realizes the integration of the five working procedures of mobile phone deck main body loading and testing, shell loading, automatic assembly, finished product transfer and testing, and tape packaging in one production line, which improves product production efficiency and pass rate and the entire equipment The automatic control level; in addition, the present invention has compact structure, complete process, high safety and low labor cost.

The invention discloses a preparation method of high-protein and low-fiber biological nutrition maize straw forage grass. In the production process of the preparation method, two parts, namely comprehensive mechanical processing and biological modulation are accomplished together. The preparation method comprises the following steps of: crushing maize straw, winnowing the crushed maize straw to take hulls and leaves, and carrying out microbial fermentation on the crushed maize straw to obtain high-quality straw forage grass. Compared with the unprocessed maize straw, the processed and modulated forage grass has the advantages of obviously enhancing the total nutrient content, enhancing the crude protein by 40% and reducing low fibers by about 30%, and has the advantages of favorable palatability, high nutritive value and favorable feeding effect. Moreover, the preparation method is suitable for large-scale and specialized production.

The invention relates to a method for processing a material piling and taking machine track by using tools and belongs to the technical field of machining. The method for processing the material piling and taking machine track comprises the following technical steps of: (1) performing rough machining on a track blank, namely eliminating deformation caused when a material is heated in a blanking process; (2) performing split processing, namely machining and welding alternatively and welding the track with a corresponding frame by using a welding tool I when frames are not assembled together; (3) performing finish machining on the track, namely performing finish machining on the track until the track meet the requirements of size, roughness and form and position tolerance; and (4) performing assembly and welding, namely using a welding tool II and a welding tool III to ensure relative position accuracy and welding four independent frames on which the track is positioned. The method has the advantages of simple process, time saving and labor saving properties, low manufacturing cost, reliable positioning, simple, convenient and rapid operation, easy grasping for users, high processing efficiency, high processing accuracy, high product quality and the like.

The invention discloses a double-sided floor and a manufacturing method thereof. The invention is simple in structure, convenient and practical, green and environmentally friendly, waterproof and non-slip, sound-absorbing and flame-retardant, and cost-effective. , different pattern and same color, different pattern and different color and other combinations, this kind of double-sided structure, even if one side is defective due to dirt and impurities in the production process, there is another side that can be used, effectively improving the production yield and product quality; During the paving operation, customers can choose the same color pavement or different color embellished pavement according to their preferences, so that customers can obtain a variety of pavement combination effects for the same purchase price.