118results about How to "Improve the tempering effect" patented technology

The invention provides a method for manufacturing toughened glass. Firstly, a glass product to be toughened are put in a stainless steel frame; the frame accommodating the glass product is placed in a muffle furnace and subjected to high-temperature treatment and then is quickly immersed in methyl silicone oil; the glass productand the frame are taken out and put in an oven and naturally cooled down to the room temperature along with the oven; the glass product is taken out, subjected to washing with carbon tetrachloride and washing with fresh water, and mopped up to obtain the toughened glass. In the invention, the methyl silicone oil is used as a cooling fluid, no additive is required to be added, and the manufacture process is simple; the toughened glass produced by the method of the invention has the advantages of high strength, low cost and high rate of finished products, etc.; moreover, the equipment is simple and the investment is low; the invention can be applied to the toughening of plate glass as well as the toughening of special products, such as glass lamp shades and wide mouth glass bottles, etc. The toughened glass made by the method of the invention has advantages of uniform stress distribution, high resistance to impact and good toughening effect.

The present invention discloses one kind of Z's nanometer efficient sewage dewatering amendment. The Z's nanometer efficient sewage dewatering amendment consists of polymerized ferric sulfate 85-98 weight portions, polyacrylamide 0.5-6 weight portions, hydroxymethyl cellulose sodium 0.5-6 weight portions and nanometer material 0.5-3 weight portions. The present invention has powerful neutralizing capacity, bridging capacity and permeating capacity and thus has high sewage dewatering effect.

The invention discloses a blast furnace hot slag microcrystalline glass and a preparation method thereof. The blast furnace hot slag microcrystalline glass comprises the following raw materials by mass percentage: 50-70% of liquid blast furnace slag, 10-30% of fly ash, 2-7% of lithium carbonate, 3-8% of sodium carbonate, 3-5% of sodium fluosilicate, 1-5% of zirconium oxide, 3-6% of titanium dioxide, 0.01-1% of arsenic trioxide, 0.01-1% of antimony oxide, 0.01-3% of phosphorus pentoxide, 0.01-1% of cesium oxide, and 0-2% of a colorant. The preparation method mainly includes: putting the raw materials except liquid blast furnace slag into an auxiliary material melting tank to conduct heating and melting, letting the treated raw materials and the liquid blast furnace slag enter a mixing tank of the slagging furnace together, then making a high-temperature melt enter a melting tank, and then letting the high-temperature melt enter a material channel, subjecting the melt flowing out of the material channel to calendaring molding to obtain a semi-finished glass sheet; and then carrying out annealing and crystallization treatment, thus obtaining the microcrystalline glass.

The invention discloses a device for producing toughened glass, comprising a heating device, a toughening device and a roller way device connected between the heating device and the toughening device. The toughening device comprises a screw air compressor, an air filter, an air tank and a quenching cold air grid sequentially connected by an air supply pipeline. The invention also discloses a method for producing toughened glass by utilizing the device above. the device and the method can be used for completely toughening ultra-thin glass with the thickness of 2mm and have the advantages of low energy consumption, low noise, and the like.

The invention provides ultra-thin glass chemical tempering equipment and a tempering method. According to the tempering equipment, the height of the bottom end of a set glass-ceramic part is lower than the height of the top end of a slot frame, in the actual production process, the bottom end of the glass-ceramic part is immersed in a molten salt solution, an ultra-thin glass part capable of beingcompletely immersed into the molten salt solution, thus complete tempering of the ultra-thin glass part is guaranteed, chemical toughening is even, and the toughening performance and yield of an ultra-thin glass product are improved; moreover, the set slot frame uses materials of stainless steel products, the surface of the slot frame is sprayed and treated with Al2O3 to prevent the slot frame from being oxidized by tempered molten salt, the quality of the molten salt solution is guaranteed, in the process of tempering, the surface of a glass is prevented from being polluted by stain ion of astainless steel support, and thus the effect of tempering is improved; in addition, the equipment is compact in the structure and reasonable in design, the production of high quality tempered ultra-thin glass products can be ensured, and the equipment is suitable for promotion and use in the field of ultra-thin glasses.

The invention discloses ultra-thin electronic touch screen glass and a processing technology thereof. The ultra-thin electronic touch screen glass is prepared from the following components: silicon dioxide, aluminum oxide, a first additive, a fused salt treating agent and the like, wherein the first additive is used for improving the properties and ingredients of a glass substrate, the structure of the glass substrate is also optimized while the thermal property and chemical stability are improved, and the ion exchange effect is improved; and the fused salt treating agent is selected from a multiple-component fused salt blending system, the thermal decomposition temperature is increased, and the influence of nitrite ions is lowered. According to the ultra-thin electronic touch screen glassand the processing technology thereof, component proportion is reasonable in design, a preparation technology is optimized, the touch screen glass is prepared, the surface pressure stress value of the glass substrate is increased, anti-folding strength of the glass substrate is improved, meanwhile, the time required by chemical tempering is shortened, the production efficiency is improved, the cost is lowered, and the high practicality is achieved.

The invention discloses an automatic tempering surfacing welding method for pipeline maintenance. The method comprises the steps of 1, tempering surfacing welding layer welding, wherein a tempering surfacing welding layer is welded to the ring surface of a to-be-maintained pipeline of a dissimilar metal joint, and in the tempering surfacing welding layer welding process, welding is conducted in a layer welding manner, and then a bead overlapping manner is adopted for welding; 2, transition surfacing welding layer welding, wherein a transition surfacing welding layer is welded to the tempering surfacing welding layer in a surfacing welding manner; 3, reinforcing tempering welding bead welding, wherein tempering welding is conducted on the two ends of the tempering surfacing welding layer and the two ends of the transition surfacing welding layer; and 4, polishing, wherein after welding is completed, reinforcing welding seams are polished to required sizes. On the one hand, structure and performance of a heat-affected zone on the low alloy steel side of the dissimilar metal joint of a nuclear power device can be effectively improved, and postweld heat treatment is not conducted after surfacing welding maintenance is conducted; on the other hand, according to the designed reinforcing welding seam structure form, not only can the tempering effect of the two ends of a workpiece be improved, but also the polishing working load of completed welding seams is effectively reduced.

The invention discloses a low-manganese cast grinding ball which is composed of the following components in percentage by mass: 2.1-2.8% of C, 0.3-0.8% of Si, 0.08-0.6% of Mn, 10-23% of Cr, 0-0.05% of P, 0-0.05% of S, 0.03-0.06% of Al and the balance of Fe. The grinding ball is prepared by the following steps: S1: weighing the raw materials according to percentage by mass, smelting, and carrying out casting molding to obtain a cast grinding ball semi-finished product; and S2: putting the grinding ball semi-finished product obtained in the step S1 into the furnace, heating to 510-530 DEG C, keeping the temperature for 140-160 minutes, heating to 740-760 DEG C, keeping the temperature for 140-160 minutes, heating to 880-960 DEG C, keeping the temperature for 140-160 minutes, heating to 970-1040 DEG C, keeping the temperature for 140-160 minutes, carrying out oil quenching in quenching oil with the temperature of 75-120 DEG C for 3-14 minutes, putting in a holding furnace, heating from room temperature to 300-380 DEG C at the heating rate of 20-100 DEG C / hour, keeping the temperature for 470-490 minutes, and slowly cooling to room temperature within 450-470 minutes to obtain the cast grinding ball. The cast grinding ball has favorable comprehensive properties.

The invention relates to a method for producing mineral wool by matching molten-state blast furnace slag with mine tailings. Molten-state blast furnace slag is taken as a raw material, the mine tailings are taken as a quenching and tempering agent, two stages of electric furnaces are adopted for heating, a nitrogen spraying and blowing system is arranged at the bottom of each furnace, magma after refinement, homogenization, quenching and tempering is thrown into mineral wool filaments of 3-5 microns by a centrifuge, and a mineral wool product is obtained after being collected by a wool collecting machine. A device for implementing the method comprises the electric furnace I, the electric furnace II, the centrifuge and the wool collecting machine which are sequentially connected. Compared with the prior art, the method and the device provided by the invention have the following beneficial effects that 1) the potential heat energy of the molten-state blast furnace slag is effectively utilized; 2) the shortcomings of high energy consumption and high pollution of a cupola furnace are avoided; 3) the mine tailings are selected as the quenching and tempering agent, so that the operation cost is reduced, the waste of resources is avoided, and the difficult problem of treatment of the mine tailings is effectively solved; 4) the quenching and tempering effect is strengthened and the quenching and tempering of a melt is more uniform; and 5) the acidic system after quenching and tempering is 1.0-2.2, and external heat preservation mineral wool products for exterior walls for buildings can be produced.

The invention discloses a wear-resisting steel ball tempering container with partition plates. The wear-resisting steel ball tempering container comprises a bottom frame. Multiple installing frames are uniformly installed at the top end of the bottom frame. An opening is formed in one end of each installing frame. One partition plate can be movably inserted to the outer side wall of one end, close to the opening, of each installing frame. Multiple air holes are formed in each partition plate at equal distance. Steel balls are arranged on each partition plate at equal distance. Multiple handrails matched with the steel balls are installed between the two adjacent installing frames at equal intervals. Each handrail comprises a telescopic rod mother rod and a telescopic rod son rod which are mutually connected. According to the container, a container body is composed of a bottom frame and multiple installing frames uniformly installed at the top end of the bottom frame, the adjacent installing frames are connected mutually through the handrails, air permeability of the container body is improved, thus the steel balls in the container body can be fully exposed in the air, the tempering effect of the steel balls in the container body is improved, and design is reasonable.