38results about How to "No increase in production costs" patented technology

The invention discloses lead-free copper alloy with limited Al and a preparation method thereof. The lead-free copper alloy contains the following chemical components in percentage by weight: 60-65 percent of Cu, Sn being less than 0.0057 percent, Pb being less than 0.100-0.150 percent, 0.012 percent of Ni, 0.032 percent of Mn, 0.122-0.200 percent of Fe, 2-3 percent of Al, 0.018 percent of Si, 0.002 percent of P, S being less than 0.001 percent, 0.014 percent of Sb, 0.005 percent of As, 0.001 percent of Bi, Cr being less than 0.001, Cd being less than 0.0001 and the balance of Zn. The preparation method comprises the following steps: selecting industrial lead-free copper or a raw copper bar or copper scales with copper content being more than 62 percent as master alloy; preheating a masteralloy ingot to 1,100 DEG C until to be molten; adding required trace elements and slightly stirring and heating the trace elements and the molten alloy ingot to 1,200 DEG C; standing still an obtained mixture for half an hour and then dropping the temperature of the mixture to 1,000 DEG C; and carrying out pressure casting. Cutting, stretching and yield coefficients of an obtained pressure casting piece can all be effectively improved; and the pressure casting piece can meet the requirements of casting and machining.

The invention relates to a zinc smelting technology for a low-zinc high-iron roasting ore by a wet method. The technology comprises a leaching process, a purifying process and an electrolyzing process. The technology employs a smelting method that a wet method can solve the problem of lean impurity high-iron raw material, iron removal efficiency is high, and various production consumption and production cost are not increased. The quality of 58% qualified high-purity zinc is greater than or equal to 99.995%, and quality of 42% qualified high purity zinc is greater than or equal to 99.99%.

The invention discloses a recycling method of abamectin fermented waste water, belonging to the technical field of the processing method of antibiotic fermented waste water. The method comprises the following steps: the fermented waste water generated in abamectin production is reused for fermenting to produce the abamectin after being processed by acid, alkali and saccharomycetes. In the recycling method of abamectin fermented waste water of the invention, the abamectin fermented waste water is processed by acid and alkali, and is processed by the saccharomycetes, and the obtained culture solution containing the saccharomycetes can be reused for fermenting to produce abamectin. Experiments prove that the fermented waste water can be used repeatedly after being processed by acid, alkali and saccharomycetes, and does not affect the fermentation valence. The application of the method can significantly improve utilization of water source, reduce environmental pollution, and does not add production cost compared with the routine waste water process method.

The invention discloses an arsenic-free glass bottle, which solves the problems that the conventional food packing glass is not favorable for human health and environmental protection and cannot reach state specified standards due to higher arsenic and antimony dissolution amount. The arsenic-free glass bottle is prepared from raw materials comprising the following components in part by weight: 51 to 63 parts of quartz sand, 3 to 9 parts of lithium (or sodium or potassium) feldspar, 12 to 19 parts of calcite, 0 to 20 parts of dolomite, 1 to 3 parts of calcium sulfate, 0 to 2.2 parts of fluorite, 0 to 3 parts of sodium fluosilicate, 15 to 21 parts of soda ash, 0.1 to 0.5 part of sodium sulfate, 0.3 to 1 part of calcium sulfate and 0.1 to 0.5 part of cerium oxide. The components are mixed uniformly, melted, molded and annealed to form the arsenic-free glass bottle according to the conventional glass bottle manufacturing method. The arsenic of the arsenic-free glass bottle is far below the state specified dissolution permissible amount, so the arsenic-free glass bottle has no toxic or side effect on the human body and does not produce environmental pollution; and at the same melting temperature, the clarifying time is shortened to half time of using arsenic and antimony oxides, and the production capacity is improved by 10 percent.

The invention discloses a grinding cushion, and a grinding device and a grinding method using the grinding cushion. The grinding cushion comprises first grinding areas and a second grinding area, wherein the first grinding areas are formed on the edge of the grinding cushion, and are used for grinding the edge of a wafer; the second grinding area can be used for at least accommodating an entire wafer surface, and is used for grinding the entire wafer; and grooves are formed between the first grinding areas and the second grinding area of the grinding cushion. The grinding device provided with the grinding cushion comprises a grinding table, a grinding head and a first conveying device, wherein the wafer is placed on the grinding cushion, and the edge of the wafer is contacted with the first grinding areas; the grinding table is kept static; the grinding head is rotated for grinding the edge of the wafer; and a liquid ejected by the first conveying device is only retained in the first grinding areas. Due to the adoption of the grinding cushion, the grinding device and the grinding method, the entire wafer surface can be ground, the edge of the wafer can be ground separately, the uniformity of the ground central area and the edge area of the wafer is improved, and the production yield of a semiconductor device is increased greatly.

The invention discloses an arsenic-free glass bottle, which solves the problems that the conventional food packing glass is not favorable for human health and environmental protection and cannot meet the national specified standards due to higher arsenic and antimony dissolution. The arsenic-free glass bottle is prepared from raw materials in part by weight: 100 parts of quartz sand, 6 to 18 parts of lithium (or sodium or potassium) feldspar, 24 to 38 parts of calcite, 0 to 40 parts of dolomite, 2 to 6 parts of sodium nitrate, 0 to 4.4 parts of fluorite, 0 to 6 parts of sodium fluosilicate, 30 to 40 parts of soda ash, 0.2 to 0.4 part of sodium sulfate, 0.6 to 1.0 part of calcium sulfate and 0.2 to 0.4 part of cerium oxide. The components are mixed uniformly, melted, shaped and annealed to form the arsenic-free glass bottle according to a conventional glass bottle manufacturing method. The arsenic content of the glass bottle is far lower than the national specified dissolution admitted amount, has no toxic or side effect on the human body, and does not produce environmental pollution; and at the same melting temperature, the settling time is shortened to half of time used by using arsenic and antimony oxides, and the production capacity is improved by about 10 percent.

The invention discloses an arsenic-free glass bottle. The objective of the invention is to overcome the problem that the dissolving-out amounts of arsenic and antimony in conventional glass for food package are high and cannot reach state-specified standard, which is unfavorable for human health and environmental protection. The arsenic-free glass bottle is prepared from the following raw materials by weight: 51 to 63 parts of quartz sand, 3 to 9 parts of lithium (or sodium and potassium) feldspar, 12 to 19 parts of calcite, 0 to 20 parts of dolomite, 1 to 3 parts of sodium nitrate, 0 to 2.2 parts of fluorite, 0 to 3 parts of sodium fluosilicate, 15 to 21 parts of sodium carbonate, 0.1 to 0.5 part of sodium sulfate, 0.3 to 1 part of calcium sulfate and 0.1 to 0.5 part of cerium oxide. Theabove raw materials are uniformly mixed; and then uniform mixing, melting, shaping and annealing are successively carried out according to conventional manufacturing methods for glass bottles so as toprepare the arsenic-free glass bottle. The arsenic content of the arsenic-free glass bottle is far lower than an allowable dissolving-out amount prescribed in national standard, so the arsenic-free glass bottle is free of toxic and side effect to human beings and does not produce environmental pollution. Under same melting temperature, the clarification time of the arsenic-free glass bottle is 1/2 the clarification time of glass using arsenic antimony oxide, and production capability is improved by 10% or so.

Bodywork component comprising at least one outer sheet metal, at least one reinforcement support and one foamed material disposed in-between the outer sheet metal and the reinforcement support, wherein the foamed material is a blown material (11) that is initially placed in blowable form and then blown by feeding heat into the space (12) between the reinforcement support (10) and the outer sheet metal (13). The bodywork component can be produced by initially placing an expandable material (11) in the form of a foamed material and expanding said expandable material (11) by feeding heat into the space (12) in-between the reinforcement support (10) and the outer sheet metal (13), thereby producing a connection between the reinforcement support (10) and the outer sheet metal (13).

The invention discloses a locking device of a robot. The locking device comprises a shell, a gear disc, grooves, a buckle I, a buckle II, a clamp head and a control system. The gear disc is fixed to the shell through the buckle I. The two grooves are formed on the surface of the gear disc. The clamp head is fixedly mounted on the shell through the buckle II. Through an electric wire, one way of the control system is connected with the buckle I, and the other way of the control system is connected with the buckle II. The control system is composed of a switch, a single-chip microcomputer, a power source and a divider, the switch is connected with the single-chip microcomputer, the single-chip microcomputer is connected with the power source, and the power source is connected with the divider. The situation that a rotary knob cannot be twisted in place at a time during manual adjustment cannot happen, the work time cannot be wasted, the rotary knob cannot be damaged, a machine can be shut down fast, and production expenditures cannot be increased.

The invention discloses a case shading device, and the device comprises a cross plate, a plate top, a clamping piece I, a clamping piece II, a fence, and a sealing groove. The cross plate and the plate top are fixed together. The sealing groove is fixedly pasted in the fence, and the plate top is installed in the sealing groove. The clamping pieces I and II are fixedly installed at two sides of the fence, and the plate top is made of plastic steel, wherein the lengths of the clamping pieces I and II are 3-8cm less than the height of the fence, and the inner sides of the clamping pieces I and II are each provided with a sponge layer, thereby avoiding the damages to the case during the disassembly of the fence, avoiding a condition that an arm of a worker is hurt in a disassembly process, greatly prolonging the service life of the case, avoiding the updating, and avoiding the increase of the production expenditure.

The invention discloses a method for preparing smokeless fireworks bright beads. The smokeless fireworks bright beads are characterized by comprising four kinds of red, green, purple and yellow, eachof the smokeless fireworks bright beads comprises a kernel and an outer layer, and the smokeless fireworks bright beads are in the shape of beads, wherein the kernel comprises the following componentsin percentage by mass: red: 55% of KMnO4, 24% of SrCO3, 17% of epoxy slices and 4% of dextrin; green: 50% of Ba(NO3)2, 10% of magnesium powder, 10% of aluminum powder, 7% of resins, 7% of rare earth,15% of KCIO4 and 1% of epoxy slices; purple: 20% of CuO, 40% of KCIO4, 10% of polyvinyl chloride, 10% of phenolic resins, 8% of magnesium powder and 8% of aluminum powder; yellow: materials containing sodium salt; the outer layer is a flame slow combustion delaying layer, and is designed according to zero oxygen balance, the consumption is 15-45% of the weight of the bright beads, and the outer layer comprises the components in percentage by mass of 0-86.2% of potassium nitrate, 0-84.2% of ammonium dichromate, and 13.8-15.8% of an adhesive. The smokeless fireworks bright beads have the advantages of being high in effective binding force, simple in technology, free from new equipment, little in smog, good in ornamental effect, high in promotion and application value, and the like.

The present invention relates to a lamp and, more particularly, to a lamp using a semiconductor light-emitting device, and a method of manufacturing same. The present invention provides the lamp comprising: a substrate; a plurality of semiconductor light-emitting devices disposed on the substrate; a flat layer formed between the semiconductor light-emitting devices; and a spacer disposed between the substrate and the flat layer, in which an air gap is formed between each of the semiconductor light-emitting devices and the spacer.