37results about How to "Advanced technical indicators" patented technology

The invention extends the connotation range required to be protected on the basis of a previously issued patent ZL200710025045.4, i.e., a nanometer microcrystalline composite filter material and a preparation method thereof, belonging to the field of a water disposal technique material. According to weight percentage, the nanometer microcrystalline composite filter material comprises 3-95 percent of attapulgite clay, 5-80 percent of sepiolite clay, 2-25 percent of kaolinite clay, 2-97 percent of tubular halloysite, 5-75 percent of diatomite, 5-75 percent of natural zeolite (clinoptilolite, mordenite and the like), 0-25 percent of pillared montmorillonite, 0-50 percent of expanded vermiculite, 0-5 percent of expanded perlite and 0-50 percent of active carbon or bamboo carbon powders. All raw materials which are powder shapes are mixed according to proportion and stirred to granulate by adding an inorganic adhesive, then sintered and activated at the temperature of 900-500 DEG C (inert gas is required for sintering and activating the filter material added with active carbon). The nanometer microcrystalline composite filter material has smooth shape, rough surface and uniform particle size, with the diameter of 1-10mm, and is used for biological filter tanks and high-class adsorption filter materials in deep purification systems of drinking water and reclaimed water sewage disposal systems.

The invention discloses a manufacturing technology for a high-speed and high-temperature precision deep groove ball bearing. A complete set of bearing product is manufactured by processing a forge piece blank into a workpiece billet with an outer ring and an inner ring, then respectively performing technical processes of respective technologies of cold rolling, thermal treatment, coarse grinding, thermal stabilization, fine grinding, grinding and the like, performing inspection and then performing cleaning and assembling. In the cold rolling technique, a cold rolling machine tool is used, a main driving forming rolling wheel is used as an outer die of a mold, and a driven forming mandril is used as an inner die of the mold, so that the forming rolling wheel drives the workpiece billet to rotate, and a supporting wheel pushes the forming mandril to forwards feed and extrude the workpiece billet to roll and form a product; in the thermal stabilization technique, the workpiece subjected to coarse grinding is subjected to heat preservation in a tempering furnace at temperature of 400 DEG C for 4 hours and then is taken out for natural cooling. The limit rotating speed of the complete set of bearing is 12,000 r/min, and the limit working temperature is 160 DEG C; the working noise is less than or equal to 45 dB; the rated load is Cr41.2KN and Cor24KN. The manufacturing precision is high, and the matching performance is high.

The invention discloses a high-grade magnet concentrate preparing method of sulfuric slag composite ball, which is characterized by the following: adopting reducing sintering method; conversing hematite in the sulfuric slag into magnetic ore; dissolving harmful element (Cu, Zi, S) in the salt; rolling sulfur in the non-magnetic phase or easily soluble sulfate; using wet magnetic cobbing technology to enrich iron; removing the harmful element.

The invention discloses a method for treating high-iron and multi-metal zinc concentrate. The method comprises the following steps of: boiling and roasting zinc concentrate containing 14-20 percent of Fe, 0.03-0.10 percent of In, 0.2-0.6 percent of Cu, 0.2-0.6 percent of Cd, 0.005-0.02 percent of Ag. 0.1-0.2 percent of Sn and 40-50 percent of Zn to produce flue gas and a roasted product; preparing sulfuric acid by using the flue gas; blending the roasted product in a reducing agent to be reduced and smelted to produce a crude zinc alloy, crude silver-containing copper and furnace cinder; blowing the furnace cinder to obtain soot and blown furnace cinder, returning the soot to be reduced and smelted, and selling the blown furnace cinder; extracting copper and silver from crude silver-containing copper; enabling the crude zinc alloy to enter a conventional distillation tower for performing four stages of distillation to produce a pyrogenic process distilled zinc product, a crude cadmium product and a high-indium, tin and zinc alloy; extracting indium and tin from the high-indium, tin and zinc alloy. The method is reasonable in process, good in comprehensive recovery, high in production efficiency, low in product cost, and clean and environment-friendly in production process.

The invention discloses a method for processing zinc concentrate with high content of indium and iron. The method comprises steps of carrying out oxygen-enriched oxidizing smelting on the zinc concentrate so as to generate oxidized smoke and fused slag, preparing sulfuric acid through the oxidized smoke; allowing the fused slag to enter a reducing smelting furnace with a lead rain condenser for strong reduction smelting so as to generate crude zinc alloy, pig iron and slag; allowing the crude zinc alloy to enter a lead tower for distilling so as to generate a zinc-cadmium alloy and a zinc-indium base solution; allowing the zinc-cadmium alloy to enter a cadmium tower for secondary distilling so as to produce pyrogenic process distilled zinc and high cadmium-zinc alloy; casting and cooling down the pyrogenic process distilled zinc so as to obtain a zinc ingot product, distilling the high cadmium-zinc alloy in a low temperature tower so as to obtain crude cadmium and a low cadmium-zinc alloy, returning the low cadmium-zinc alloy back to the cadmium tower for distilling; distilling the zinc-indium base solution in a high temperature tower so as to generate a high indium alloy and high temperature crude zinc, returning the high temperature crude zinc back to the lead tower for distilling, and extracting indium from the high indium alloy through steps of 'crushing-leaching-extracting-replacing-electrolyzing'. The method has short technological processes and high production efficiency, has clean and environment-friendly production process, and does not discharge three wastes.

The invention discloses a moving type hangar, which comprises three parts of end doors, a middle main body and an accessory. The main structure of the moving type hangar disclosed by the invention adopts the modular design; the whole hanger comprises end door modules distributed on two ends of the hangar, and multiple groups of middle main body modules, wherein the end of each group of module is provided with a port; except that the end door position is fixed, the rest modules of the hangar can be subjected to unordered mutual connection. The manufacture material of the main structure of the moving type hangar is selected from one or multiple types of PVC (polyvinyl chloride) membrane material, TPU (thermoplastic urethanes) membrane material, EVA (ethylene vinyl-acetate) membrane material, acrylic ester membrane material, neoprene membrane material, butadiene styrene rubber membrane material, ETFE (ethyl tetra fluoro ethylene) membrane material, PVDF (polyvinylidene fluoride) membrane material, PTFE (polytetrafluoroethylene) membrane material and PVF (polyvinyl fluoride) membrane material. The moving type hangar is erected with an inflation method, each group of modules can be respectively curly packaged after venting, and the moving type hangar has the advantages of strong maneuverability, simple operation process, stable and reliable performance, advanced technical index, scientific structural design, cheap and abundant raw materials and mature manufacture technology and is suitable to popularize and apply within a large range in the industry.

The invention discloses an intelligent drill rig solid control system. The intelligent drill rig solid control system comprises a visual camera (1), an air sensor (2), a temperature sensor (3), a pressure sensor (4), a slurry granularity sensor (5), a slurry viscosity sensor (6), a PLC (7), an electronic switch (8), a solid control device (9), a conveyor belt (10), a storing tank (11), a connecting cable (12) and other devices. According to the intelligent drill rig solid control system, intelligent automatic and unmanned mining is the development direction of a drill rig well site solid control system and is also an effective way to ensuring the working safety of a working surface.

A process for desulfurizing the fume of coal-burning furnace by spraying calcium and water bath features that the desulfurizing medium is sprayed into high-temp region in combustion box, where it is burning and takes part in desulfurizing reaction, the resultant along with unreacted lime stone, calcium oxide and flyash, and the fume come in water bath to generate alkaline slurry for absorbing SO2, and the resultant, flyash and deposit in water pool are discharged. Its apparatus is composed of boiler, Ca spraying system, water bath cleaner, circulating water system, and draught fan.

The invention discloses a manufacturing technology of a high-speed high-temperature precise deep-groove ball bearing. The manufacturing technology comprises the steps that a forging blank is machinedinto a workpiece blank with an outer ring and an inner ring, the workpiece blank is subjected to the technological process of technologies such as cold rolling and expanding, heat treating, rough grinding, heat stabilizing, fine grinding and grinding, checked and then subjected to the technological process of a cleaning and assembling technology, and a whole-set bearing product is manufactured; the cold rolling and expanding technology comprises the steps that a cold rolling and expanding machine tool is adopted, a driving molding rolling wheel serves as a mold outer mold, a driven molding core rod serves as a mold inner mold, the molding rolling wheel drives the workpiece blank to rotate, a supporting wheel pushes the molding core rod to move forwards to feed and extrude the workpiece blank, and rolling and expanding molding is achieved; the heat stabilizing technology comprises the steps that heat preservation is conducted on a workpiece obtained after rough grinding for 4 hours at 400 DEG C in a tempering furnace, and the workpiece is taken out of the furnace and naturally cooled; and for the whole-set bearing, the limit rotation speed is 12,000 r/min, the limit working temperature is 160 DEG C, the working noise is lower than or equal to 45 dB, and the rated load is Cr 41.2 KN and Cor 24 KN. According to the manufacturing technology of the high-speed high-temperature precise deep-groove ball bearing, the manufacturing precision is high, and the matching performance is good.

The invention discloses a white cement clinker bleaching process. The white cement clinker bleaching process comprises the following steps: breaking raw materials, then preparing raw material, mixingthe raw material, then firing, immersing and bleaching in water, drying clinker, milling cement to obtain white cement. The raw meal used for roasting are prepared by mixing the broken raw materials,then carrying out closed-loop raw meal milling with cooperation of a high-chromium vanadium titanium ball mill and a powder concentrator. Compared with the existing cement process, the heat consumption of unit of clinker of a roasting system can be reduced 80-120kcal in per kg of clinker. The white cement clinker bleaching process is taken as a process with latest white cement clinker bleaching technology, optimal process and lowest energy consumption at home and abroad at present; the white cement clinker bleaching process is reasonable in processes, environment-friendly in design concept andadvanced in technical indexes, meets the national energy economization and environment protection trend, can reduce the production costs of enterprises, and has extremely high operability and practicability.

A waterproof paint, including adhesive, reflective material, additives, etc., the adhesive is selected from neoprene, and the reflective material is selected from silver powder paste. The waterproof paint of the invention has excellent waterproof function and obvious effect of high and low temperature resistance. The invention is mainly used for the surfaces of buildings and various objects, and the construction is simple, time-saving and labor-saving, without curing and without gasification pollution.

The invention relates to a liquid surface sealing device of a clip-shaped slot structure and belongs to the field of environmental protection. Gap connection in the form of the clip-shaped slot structure is adopted between an inverted funnel pipe opening of a fixed element and a pipe opening of a rotating element, and a certain amount of working solutions are added into the clip-shaped slot structure, thus achieving the goal of flexible connection between mobile and static elements as well as the sealing without mechanical friction.

The invention discloses an intelligent drill rig solid control system which comprises a visual camera (1), a gas sensor (2), a temperature sensor (3), a pressure sensor (4), a slurry granularity sensor (5), a slurry viscosity sensor (6), a PLC (programmable logic controller) (7), an electronic switch (8), solid control equipment (9), a conveying belt (10), a storage tank (11), a cable jumper (12) and the like. Intelligent automation and unmanned exploitation are the development trend of the drill rig well field solid control system and also effective ways for guaranteeing safe operation of working faces.