47results about How to "Lifetime Synchronization" patented technology

The invention relates to a ladle working liner and a preparation method thereof, and belongs to the technical field of a ferrous metallurgy ladle process. The ladle working liner is characterized in that a ladle bottom working liner consists of three layers of structures which are ladle bottom working liner flat laid refractory bricks (7), ladle bottom working liner vertical laid refractory bricks (6) and ladle bottom working liner castable (11) from bottom to top in sequence, wherein the iron flow impact region working liner refractory bricks (5) on the lower part of a ladle wall is 20-30 mm thicker than the working liner refractory bricks (3) on the upper part of the ladle wall; a ladle wall coating layer (4) is coated on the outer surfaces of the working liner refractory bricks (3) on the upper part of the ladle wall and the iron flow impact region working liner refractory bricks (5) on the lower part of the ladle wall; and a ladle edge coating layer (10) is coated on the upper part of a ladle edge pressing plate (9). By using the ladle working liner, the service life of the ladle working liner is prolonged by 300-400 heats and the ladle refractory material cost is reduced by over 30 percent on year-on-year basis.

The invention relates to a torpedo pot liner structure and torpedo pot used aluminum carbonized silicon carbon brick, high aluminum brick. Bottom of the torpedo pot impact part uses nonburning aluminum carbonized silicon carbon brick, most of the rest using burnt stripping resistant high aluminum brick. Material for the aluminum carbonized silicon carbon brick comprises the alumina, electro-melting corundum, carbofrax, carbite, sintered corundum, aluminum, silicon, astringent, and so on, and the high aluminum brick comprises alumina, electro-melting corundum, carbofrax, silicon, silicon powder, bindeton and paper waste liquid. It is reasonable in formulation, mature in production process, with forming no need of high temperature baking with lower production cost. Using these two kinds of bricks, using durability of the overall torpedo can basically reach synchronic feature, application over 1700 times, with good effect and significant economical benefit.

The invention belongs to the technical field of steel metallurgy continuous casting tundish technique, in particular to a beam blank continuous casting machine tundish working lining, a construction tire film of the working lining and a preparation method of the working lining. The working lining, the construction tire film and the preparation method are characterized in that a working lining in an impact area is forming by carbonic fireproofing tiles (2), a layer of painting materials (3) are painted on the outer surfaces of the carbonic fireproofing tiles (2), corners (5) of the working lining in the impact area are all arc corners, wall wrapping working linings (8) and bottom wrapping working linings (10) except for a tundish impact area all adopt dry-type materials. Therefore, service life of the working lining of the tundish impact area and working linings at other portions are synchronous, monopack continuous casting time achieves more than 36 hours which shortens 12 hours than the time at the same condition, and continuous casting tundish material cost reduces more than 30% than the cost at the same condition.

The invention relates to an agricultural greenhouse and a greenhouse cover material, and concretely relates to a preparation method of high performance polyolefin by using a coating technology and a nano modification technology. The high performance polyolefin coating agricultural film takes high performance polyolefin as a matrix, a functional master batch is added to prepare a base material film, and the agricultural film can be prepared by preciously coating through a coating liquid; the high performance polyolefin coating agricultural film is prepared by processes of preparing the functional master batch, preparing a base material thin film, performing corona treatment, winding the base material film, coating one surface by the coating liquid, drying the coating liquid, cooling and winding, on-line roll change, coating on the other surface by the coating liquid. The flow-dripping period and the service life can reach more than three years, and the agricultural film has the advantages of good heat insulating ability, pesticide resistance property and dirt resistance property.

The invention provides a ceramic or enamel sterilization glaze material and a preparation method and application thereof. The ceramic or enamel sterilization glaze material is prepared from, by weight, 80-90% of ceramic or enamel glaze materials, 5-15% of silver powder and 5-15% of copper oxide powder or zinc oxide powder. By the adoption of the technical scheme, the surface of a ceramic or enamel product has the excellent sterilization and mould-proof ability, and the sterilization effect is kept synchronous with the service life of the ceramic or enamel product; the material components are environmentally friendly, and using safety of the ceramic or enamel product is ensured.

The invention discloses a method for pulling a pillar through prestress using non-binding steel strands. The method comprises a method of pulling the pillar through external prestress and a method of pulling the pillar through internal prestress, wherein the method of pulling the pillar through external prestress comprises the following steps: the bottom parts of the non-binding steel strands which are separately of a two-fold line shape or a three-fold line shape are inserted into the pillar, or the bottom parts of the non-binding steel strands support a bearing plate at the bottom of a girder on the two sides of the pillar; after the prestress is applied, an opposite force is generated at the pillar to balance the axial force of the pillar; and then the bearing pillar is pulled out. The method of pulling the pillar through internal prestress comprises the following steps: a non-binding steel strand internal prestress girder is arranged on the outer side of the original reinforced concrete girder on the two sides of the pillar, and the two sides and the bottom surface of the original reinforced concrete girder are wrapped inside; non-binding steel strands which are separately of a three-fold line shape or a parabola shape are arranged in the girder, and linear non-prestressed rebars are arranged; after the prestress is applied, an opposite bending moment is generated by the girder, so that a bending moment generated by load is balanced; and then the pillar is pulled out. The method disclosed by the invention fills the gap in pillar pulling rebuilding technology in China, and has the advantages that the construction is simple; unloading is not needed; temporary support does not need to be additionally arranged; the construction period is short; the cost is low; a structure above is not affected; the service life is consistent with that of an original structure; and the like.

The invention relates to a polyvinyl chloride long-acting fog-dispersal dripping agricultural film with slow-release function and a preparation method thereof, belonging to the technical field of agricultural films. The agricultural film is composed of the following components in parts by mass: 100 parts of polyvinyl chloride resin, 40-50 PHR of primary plasticizer, 5-10 PHR of secondary plasticizer, 1.2-3 PHR of liquid composite stabilizer, 1.2-3 PHR of powder composite stabilizer, 0.3-1 PHR of light stabilizer, 0.5-2 PHR of antioxidant, 3-5.5 PHR of fog-dispersal dripping agent, 0.007-0.3 PHR of colorant and 0.1-2 PHR of nano slow-release agent. The preparation method comprises the following steps: (1) grinding: grinding the secondary plasticizer, powder composite stabilizer, light stabilizer, antioxidant and colorant into slurry; (2) feeding of high-speed mixer: simultaneously feeding the slow-release agent and fog-dispersal dripping agent; when the high-speed mixer is at high speed, feeding the plasticizer, mixing, and feeding the ground slurry; and (3) film preparation: banburying, plastifying, calendering, setting and coiling. The agricultural film has the advantages of simple technique, favorable light transmittance, synchronous dripping fog-dispersal function period with service life of the film, and the like.

The present invention discloses a method for reduction of beam section height by use of unbonded steel strand prestress, the method comprises reduction of the beam section height by use of external prestress and reduction of the beam section height by use of internal prestress, when the number of desired steel strands is not more than 6, or the number of desired steel strands is more than 6, but anchoring of both ends can be treated, an external prestress method is used; and when the number of the desired steel strands is greater, and anchoring of ends of the steel strands cannot be treated, an internal prestress method is used. The method is simple in construction, uninstall and additional arrangement of a temporary support are not needed, construction period is short, cost is low, an upper structure is not affected, and the method has the advantages that service life is synchronous with that of an original structure.

The invention relates to a baffle applied to a tundish of a profiled blank conticaster and a preparing method thereof, belonging to the technical field of the profiled blank continuous casting tundish process in ferrous metallurgy. A guide plate (2) adopts magnesium preformed unit. The baffle is of arc monolithic structure, the arc degree alpha is 90-95 degrees, and a dovetail groove (6) is arranged on the two sides. The guide plate (2) is arranged on the external side of a current stabilizer (1). The upper edge of the guide plate (2) is 120-150mm higher than the upper edge of the current stabilizer (1). Slag blocking dams (3) are respectively arranged between the external side of the dovetail groove (6) of the guide plate (2) and the external side of two sizing nozzles (4) of a middle casting flow. By the shunting function of the guide plate, the compositions and the temperature of molten steel in the tundish of the profiled blank are uniformed. The temperature difference of three casting flows of the profiled blank is lowered from 12 DEG C to 4 DEG C. Casting blank quality defects and steel breakout accidents caused by high molten steel temperature of the middle casting flow are solved. Simultaneously, the upward floating elimination of inclusions is promoted. The qualified rate of the profiled blank is improved and reaches more than 99.7 percent.

The invention discloses a zirconia coating layer for a saggar; the zirconia coating layer includes the following components in parts by mass: 4-6 parts of 60-mesh fused zirconia, 1-4 parts of 100-mesh fused zirconia, 1-3 parts of 200-mesh fused zirconia, 0.1-0.5 part of sodium hexametaphosphate, 0.1-0.5 part of polyvinyl alcohol, and 1-5 parts of water. At the same time, the invention also discloses a preparation method of the zirconia coating layer saggar. The product has the advantages of low cost, stable quality and long service life, and is more convenient to use than a traditional product.

The invention discloses a prestress wall removing technology implemented by the aid of non-binding steel strands. The prestress wall removing technology includes an external prestress wall removing technology implemented by the aid of the non-binding steel strands and an internal prestress wall removing technology implemented by the aid of the non-binding steel strands. The external prestress wall removing technology implemented by the aid of the non-binding steel strands is implemented when bearing walls to be removed are short in span or low in borne load and ring beams are arranged on the tops of the walls; the internal prestress wall removing technology implemented by the aid of the non-binding steel strands is implemented when the bearing walls to be removed are large in span or high in borne load, more than six steel strands are required by each bearing wall, end anchoring is difficult to handle or the ring beams are unavailable on the tops of the walls. The prestress wall removing technology has the advantages that the prestress wall removing technology is safe and simple in construction, short in construction period and low in cost, detachment or additional temporary bracing can be omitted, good effects can be realized, and the service lives are synchronized with those of original structures.

The invention discloses a flow-controllable orifice with three uniformly distributed holes for high-temperature liquid slag. The flow-controllable orifice is characterized in that three uniformly distributed slag orifices are arranged on an end surface of the inner middle of a nozzle inner bushing made of isostatic graphite materials, only one hole is utilized in each procedure, the other two standby slag orifices are filled with identical isostatic graphite, and stopper rods at the upper ends of the slag orifices can be finely adjusted and lifted, so that the flow of each slag orifice can be controlled. The flow-controllable orifice has the advantages that the service life of the flow-controllable orifice for the high-temperature liquid slag can be prolonged and can be identical to the service lives of graphite crucibles, and the replacement frequency can be reduced; blockage of liquid slag flow can be effectively prevented, the flow-controllable orifice is reliable and is long in service life, and the running cost can be effectively reduced; requirements of short-process mineral wool manufacturing technologies can be met; the flow-controllable orifice is favorable for meeting market requirements on broad development prospects of mineral wool and products of the mineral wool.

The invention relates to a thin film and a preparation method thereof, in particular to a light conversion film, a multilayer light conversion film and a preparation method of the multilayer light conversion film. The light conversion film comprises a film body and a light conversion film layer, and the light conversion film layer comprises, by weight, 18%-22% of a light conversion agent, 55%-60%of an organic carrier, 13%-15% of a light stabilizer and 9%-12% of an antioxidant, wherein the film body comprises 60%-75% of a film matrix, 12%-20% of a light stabilizer and 10%-20% of an antioxidant; according to the method provided by the invention, by adding the light conversion agent, ultraviolet light in sunlight can be converted into red light, absorption of plants on nutrient elements suchas nitrogen, phosphorus, potassium and zinc is promoted, the content of photosynthesis products in leaves is increased, crop growth is promoted, and meanwhile, the effect of reducing diseases and insect pests is achieved.

The invention relates to a multistage municipal sewage biological purification integrated device. The device comprises a pool body; a water inlet, a water outlet, a cleaning port, a microbe feeding port, and a viewing port are disposed on the pool body; a mixed biofilm formation clapboard is disposed in the pool body; the clapboard partitions the pool body into three chambers; the three chamber comprise a deposition separation pool, a biological reaction pool, and an SBR treatment pool which are connected orderly. An axial grating is disposed in the middle of the deposition separation pool, and partitions the pool into an upper layer and a lower layer; stereo elastic fillers are disposed at the lower layer. Microbe fillers are disposed in the biological reaction pool. The SBR treatment pool is provided with an aeration system and stereo elastic fillers. the aeration system is automatically controlled and operated through a PLC device. The device of the invention is high in treatment efficiency, good in discharged water quality, automatic in device operation, convenient for maintenance, and suitable for popularization and application.

The invention relates to a production method of a building peripheral guard board with multiple layers of bamboo blank plates as an inner framework, which comprises the following steps of: manufacturing the bamboo blank plates by using bamboo chips, overlapping the multiple layers of bamboo blank plates in a staggered manner and bonding by using glue, fixing steel wire meshes on two surfaces of the multiple layers of bamboo blank plates, and filling foaming materials or cement mortar by using the multiple layers of bamboo blank plates as the inner framework. Bamboo fiber composite polymer cement or gypsum slurry is used as a surface layer to manufacture a building peripheral guard board; according to the production method of the building peripheral guard board with the multi-layer bamboo lattice board as the inner framework, the bamboo is internally and externally sealed through modern building materials, the bamboo is isolated from air, and therefore it is guaranteed that the service life of the bamboo is synchronous with that of a building, energy is saved, carbon emission is reduced, and the production method is suitable for manufacturing the large building peripheral guard board.

The invention discloses a temperature regulation shield for controlling a growth period of peach trees. The temperature regulation shield comprises an arc-shaped shield body and a support frame for supporting the shield body, and further comprises a temperature control device, wherein the shield body is provided with a through hole and a hole lid for opening or closing the through hole; a drip fogdispersal layer covers the side, which is close to the peach trees, of the inner side of the shield body; and a PET reflective film covers the outer side of the shield body. The temperature regulation shield has the characteristics of good insulating effect, a function of drip fog dispersal and capability of controlling the growth period of the peach trees. The temperature regulation shield is suitable for culture of the peach trees.

The invention provides a method for prolonging the service life of a top-bottom composite blowing converter bottom. The method for prolonging the service life of the top-bottom composite blowing converter bottom comprises the following steps of: when melting loss of air permeable bricks at the converter bottom achieves 100-150mm, after steel is discharged completely and converter slags are poured away, adding the following repairing mass into the converter in percentage by mass according to the quantity with the shim thickness of 50-150mm each time: 75-85% of MgO, 7-14% of C, 1-3% of CaO, 1-2% of SiO2, 0.5-1.5% of Fe2O3, and 2-10% of bonding agents, and staying for 2-3 seconds; sintering the repairing mass naturally for 40-70 minutes by utilizing temperature in the converter, then sintering for 60-120 minutes again at 700-1,200 DEG C, and inputting for smelting; repeating the step (1) and the step (2) after smelting for 10-30 converters, and shimming repeatedly in the way until the converter bottom rises by 100-300mm. The service lives of the converter bottom bricks of the converter and the air permeable bricks at the converter bottom are prolonged effectively; a top-bottom composite blowing technology requirement is met; the smelting cycle is shortened; the production efficiency is improved.