40results about How to "High fiber rate" patented technology

The present invention discloses a charging method for industrial production and its charging system. Said charging system includes the following portions: bunker, electronic-weighing system, belt conveyer, conveying guideway, bucket and smelting furnace. Said invention also provides the concrete steps of said charging method.

The invention discloses a method for producing mineral wool by using early-stage molten-state steel slag of a converter, and belongs to the technical field of production of mineral wool. The method comprises the following steps: pouring the early-stage molten-stage steel slag of the converter in a smelting furnace, adding a reducing agent and a modifier in a pouring process, and carrying out reducing and modifying; and after stirring, mixing evenly and standing for 0.5-1.5 hours, feeding slag at the temperature between 1,380 DEG C and 1,430 DEG C to wool producing equipment and processing into the mineral wool. Double advantages of 'residues' and 'heat' of the molten-state steel slag are played fully, ferrosilicon and aluminum granules are used as reducing agents, reaction of silicon, aluminum and iron oxide is silicothermal reaction and aluminothermal reaction, a large amount of thermal can be produced along with the reaction, and heat supply in a whole reducing and modifying process can be satisfied. After valuable elements are recycled, residues are directly prepared into the mineral wool with high additional value, the molten-state steel slag is comprehensively recycled, the problem of emission of the steel slag is solved, furthermore, the production cost of the mineral wool can be reduced, and the economic benefit and the environment benefit are good.

The invention discloses a method for producing cellucotton by using fly ash, which comprises the following: 1) a step of synthesizing and granulating the fly ash serving as a raw material, in which the fly ash are formed into grains in a forming machine; 2), a step of mixing the raw materials, in which the calspar, white rock or basalt, the granular fly ash and coke; 3) a step of melting at high temperature, in which the raw materials are delivered to a high-temperature smelting furnace to be heated and melted; 4) a step of drawing fibers and producing cellucotton, in which the molten liquid is delivered to a high-speed centrifugal drawing machine to be drawn into fibers, and the fibers drawn out are gossypine cellucotton; and 5) a step of curing fibers, in which the gossypine fibers are stacked and added with curing agent to be cured into blocks and plates, which are blocky or platy cellucotton. The cellucotton manufactured by the method has fine fibers, high fiber yield and better heat-preservation, heat-insulation, sound-insulation, breathable performances and other performances than cellucotton manufactured by using mineral slag and steel slag as main raw materials.

The invention discloses a slag furnace for treating a blast furnace thermal-state slag and aims to provide the slag furnace which not only can fully utilize residual heat resources in the blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in the slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The slag furnace includes a feeding tank, a homogenizing tank, a melting tank, a clarifying tank and at least two material paths. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. The clarifying tank is communicated with the melting tank through a third liquid flowing path. One end of each material path is communicated with the clarifying tank and the other end of each material path is closed. In addition, material outlet ports are arranged at the bottoms of the material paths.

The invention designs a ball producing process and a ball producing system in the process of producing inorganic fibers by using red mud. The process comprises the following steps: firstly, adding materials into a stock bin; secondly, feeding the red mud, a curing agent, an acidity coefficient modifier and a cosolvent respectively into a crushing mixer according to a mass ratio; thirdly, feeding the crushed and mixed materials into a ball press machine, wherein the tangential pressure of a ball pressing part in the ball press machine is more than or equal to 2 tons / cm<2>; fourthly, sending ball-shaped materials into a ball bin tank body for curing and drying in shade. The ball producing system comprises a dosing machine, the crushing mixer, the ball press machine and the ball bin tank body, and the devices are connected with one another by a conveyor. The ball producing process disclosed by the invention has the advantages of low cost and high dosing precision, and the process flow is simple and convenient for programmed operation; in addition, the obtained ball-shaped materials have the advantages of low frangibility and uniform size, thereby facilitating transportation; when the inorganic fibers are produced, all that is needed is to proportionally mix the red mud with coke, the operation is convenient, and the produced inorganic fibers and inorganic fiber products are stable in quality.

The invention relates to a four-roller centrifugal machine for a rock cotton fiber forming system. The four-roller centrifugal machine for the rock cotton fiber forming system comprises a rack, as well as a No.1 centrifugal roller with the diameter of 160-190mm, a No.2 centrifugal roller with the diameter of 223-250mm, a No.3 centrifugal roller with the diameter of 300-325mm and a No.4 centrifugal roller with the diameter of 310-340mm which are arranged on the rack; the line of centers of the No.1 centrifugal roller and the No.4 centrifugal roller and a horizontal line form an angle of 50-63 degrees, and the line of centers of the No.2 centrifugal roller and the No.3 centrifugal roller and a horizontal line form an angle of 87-95 degrees; the four-roller centrifugal machine also comprises three air rings arranged outside the No.2 centrifugal roller, the No.3 centrifugal roller and the No.4 centrifugal roller; each of the three air rings is externally provided with an atomizer; and each atomizer is provided with more than one adhesive jetting port. The centrifugal machine provided by the invention improves the fiber forming quality of fibers greatly, increases the adhesive applying uniformity, reduces the slag ball content effectively, also is energy-saving and environment-friendly, is simple in structure, and is convenient to operate.

The invention discloses a blast furnace thermal-state slag mineral wool producing device and aims to provide the blast furnace thermal-state slag mineral wool producing device which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The device includes a slag-obtaining trough used for guiding a blast furnace thermal-state slag flow, a feeding chute apparatus, a slag furnace and at least two centrifugal machines. The slag furnace successively includes a feeding tank, a homogenizing tank, a melting tank, a clarifying tank and at least two material paths. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. The clarifying tank is communicated with the melting tank through a third liquid flowing path. One end of each material path is communicated with the clarifying tank and the other end of each material path is closed. In addition, material outlet ports are arranged at the bottoms of the material paths.

The invention discloses a hot air fiber forming system for rock wool production. The hot air fiber forming system comprises a high-temperature hot air fiber forming four-roller centrifugal machine, and also comprises a liquid-gas mixing center glue spraying device, a centrifugal roller cooling water system, an oil-gas lubricating system, a heat insulation cooling system and a high-temperature high-speed hot air system which are arranged in parallel; an output end of the liquid-gas mixing center glue spraying device is communicated with a center glue spraying inlet through a pipeline; an outputend of the centrifugal roller cooling water system is communicated with a cooling water inlet through a pipeline, the oil-gas lubricating system is communicated with a cavity in a main shaft througha pipeline, the heat insulation cooling system is communicated with a heat insulation cooling water inlet through a pipeline, and the high-temperature high-speed hot air system is communicated with ablow-off air port through a pipeline. The hot air fiber forming system further comprises a glue applying system, the glue applying system is communicated with the liquid-gas mixing center glue spraying device and a peripheral glue applying device through pipelines, the peripheral glue applying device is connected with a spray head, glue is sprayed to the periphery of a centrifugal roller, and mistglue flow is formed. According to the system, fiber forming fiber is small in diameter, low in slag ball content, high in fiber forming rate and more energy-saving and environment-friendly.

The invention relates to an embedded slag type structure of heating element electrodes of an electromagnetic induction slag smelting furnace. The embedded slag type structure of the heating element electrodes of the electromagnetic induction slag smelting furnace is characterized by comprising four graphite heating element electrodes, four fixing plates and sixteen fixing bolts, wherein the graphite heating element electrodes are inserted into a furnace bottom lining and are firmly fixed in the furnace bottom lining through the fixing plates and the fixing bolts. In the working process, an induction coil is electrified, the graphite heating element electrodes induce heat and enable slag to be melt, and due to the fact that the positions of the graphite heating element electrodes are located under the slag liquid level all the time in the whole course of heating and melting the slag, the graphite heating element electrodes are oxidized but are small in loss. The embedded slag type structure of the heating element electrodes of the electromagnetic induction slag smelting furnace has the advantages that the problems of oxidization and burning loss of the electromagnetic induction graphite electrodes are effectively solved; the electromagnetic induction slag smelting furnace is high in power factor, low in energy consumption, and high in temperature rise speed; the energy consumption is low, the heat efficiency is high, the waste slag amount is small, the fiber forming rate is high, and the cost advantage is obvious; the smelting furnace has the advantages of saving energy, lowering cost, and being short in flowing path, high in quality and efficient.

The invention discloses a preparation method for an aramid fiber 1414 based composite material, belonging to the technical field of artificial fibers and composite materials. The preparation method provided by the invention uses poly-para-phenylene terephthalamide and paraphthaloyl chloride as raw materials, performs polymerization, spinning and post-treatment, and strictly controls condition parameters like temperature, viscosity, time, content, spinning speed and tension in the production process, so the production process for the aramid fiber 1414 based composite material is effectively guaranteed to be stably performed; meanwhile, the quality of a target composite material is improved; and the demands of a market are met.

The invention relates to an underflow-type anti-vortex central stopper and nozzle lifting mechanism of an electromagnetic induction slag smelter. The mechanism is characterized in that supports are fixed on fixed beams, a cross beam is fixed on the supports through springs, a drive nut is fixed on the cross beam, a threaded part of a lifting sleeve is connected with the drive nut in a screwed manner, an oil motor is fixed on an oil motor support, a gear is connected with an output shaft of the oil motor and meshes with a gear of the lifting sleeve, a stopper is fixed at the top of the lifting sleeve, and the stopper locates at an upper opening of a nozzle. The mechanism has the advantages that the process using the mechanism compared to the cupolas rock wool process can save more than 60% of energy consumption per ton; secondary environment pollution is avoided; the bottom-leak deslagging nozzle guarantees accurate flow; the furnace burden structure is wider in adaptation range; a slag bath with the upper temperature limit of 1700 DEG C is satisfactory to melts of various qualities, with no need for coke; magnetic stirring and mechanical stirring guarantee even melt ingredients; energy consumption is low, heat efficiency is high, waste residue is little, and fiber forming rate is evidently advantageous as well as cost.

The invention discloses a granular wool producing device employing thermal-state slag and aims to provide the granular wool producing device which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The device includes a slag-obtaining trough used for guiding a blast furnace thermal-state slag flow, a feeding chute apparatus, a slag furnace and a centrifugal machine. The slag furnace successively includes a feeding tank, a homogenizing tank, a melting tank and a material path. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. One end of the material path is communicated with the melting tank and the other end of the material path is closed. In addition, a material outlet port is arranged at the bottom of the material path.

The invention relates to an underflow-type anti-vortex central stopper and nozzle lifting mechanism of an electromagnetic induction slag smelter. The mechanism is characterized in that supports are fixed on fixed beams, a cross beam is fixed on the supports through springs, a drive nut is fixed on the cross beam, a threaded part of a lifting sleeve is connected with the drive nut in a screwed manner, an oil motor is fixed on an oil motor support, a gear is connected with an output shaft of the oil motor and meshes with a gear of the lifting sleeve, a stopper is fixed at the top of the lifting sleeve, and the stopper locates at an upper opening of a nozzle. The mechanism has the advantages that the process using the mechanism compared to the cupolas rock wool process can save more than 60% of energy consumption per ton; secondary environment pollution is avoided; the bottom-leak deslagging nozzle guarantees accurate flow; the furnace burden structure is wider in adaptation range; a slag bath with the upper temperature limit of 1700 DEG C is satisfactory to melts of various qualities, with no need for coke; magnetic stirring and mechanical stirring guarantee even melt ingredients; energy consumption is low, heat efficiency is high, waste residue is little, and fiber forming rate is evidently advantageous as well as cost.

The invention discloses a slag furnace and aims to provide the slag furnace which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The slag furnace successively includes a feeding tank, a melting tank and a material path. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The feeding tank is connected to the melting tank through a first liquid flowing path. One end of the material path is communicated with the melting tank and the other end of the material path is closed. In addition, a material outlet port is arranged at the bottom of the material path. A first flow-controlling gate board device is disposed at the first liquid flowing path and is used for controlling the flow rate of the first liquid flowing path. A material path flow-controlling gate board device is disposed at the material path and is used for controlling the flow rate of the material path. The material path flow-controlling gate board device is arranged between the melting tank and the material outlet port and is closed to the melting tank.

The invention discloses a granular wool manufacturing system and aims to provide the granular wool manufacturing system which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The device includes a slag furnace, a four-roller centrifugal machine and a wool-collecting machine. The slag furnace successively includes a feeding tank, a homogenizing tank, a melting tank and a material path. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. One end of the material path is communicated with the melting tank and the other end of the material path is closed. In addition, a material outlet port is arranged at the bottom of the material path. The four-roller centrifugal machine includes a centrifugal machine shell and four centrifugal rollers arranged inside the centrifugal machine shell, wherein external surfaces of the centrifugal rollers are respectively provided with spiral grooves surrounding the centrifugal rollers.

The invention discloses a plant fiber relieving agent, which is prepared from, by mass percent, 35-45% of sodium carbonate, 25-35% of calcium hydroxide, 5-15% of sodium sulfate, 5-15% of hydrogen peroxide, 5-10% of saccharomycetes, 0.5-1.5% of hydrochloric acid, and 0.5-1.5% of formalin. By mixing sodium carbonate, calcium hydroxide, sodium sulfate, hydrogen peroxide, saccharomycetes, hydrochloricacid and formaldehyde at proper ratio (as described above), the plant fiber relieving agent generates neutralization, and penetrates to decompose a plant wall, soften the plant fiber and disperse other components; the plant fiber can quickly soften and relieve brooming and protect fiber and semifiber from excessive damage. Therefore, the plant fiber relieving agent can relieve plant fiber under the constant temperature, the fiber yield is naturally increased, and the produced fiber has very strong antioxidant and corrosive resistance, and can be placed without rotting for one year.

The invention discloses a preparation method of polyphenylene sulfide sulfone ketone fibers. The method comprises the following steps of firstly, by taking a metal oxide as a catalyst, carrying out a screw extrusion reaction on PPS resin, the metal oxide and dicarboxylic acid or polycarboxylic acid to prepare ketone-containing PPS tows; placing the ketone-containing PPS tows in an oxidation system, and carrying out an oxidation reaction under the action of an oxidation catalyst to obtain polyphenylene sulfide sulfone ketone nascent fibers; and removing impurities from the polyphenylene sulfide sulphone ketone nascent fibers, and performing drying to obtain the polyphenylene sulfide sulphone ketone fibers. According to the invention, a Friedel-Crafts acylation cross-linking reaction among PPS molecular chains is realized in a molten state, cross-linking or chain extension among PPS molecules is realized, and ketone groups are introduced into the PPS molecules; and PPS fibers with the cross-linked or chain-extended ketone groups are oxidized, controllable oxidation of S atoms is realized, the introduction of sulfonyl and sulfoxide groups is realized, and PPS modified fibers containing ketone and sulfone or ketone and sulfoxide and having the advantages of high temperature resistance, solvent resistance, creep resistance, molt drip resistance, oxidation resistance, high toughness and high strength are obtained.

The invention discloses an energy-saving mineral wool preparation system with a thermal-state slag and aims to provide the energy-saving mineral wool preparation system which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The device includes a slag furnace and at least two centrifugal machines. The slag furnace successively includes a feeding tank, a homogenizing tank, a melting tank, a clarifying tank and at least two material paths. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. The clarifying tank is communicated with the melting tank through a third liquid flowing path. One end of each material path is communicated with the clarifying tank and the other end of each material path is closed. In addition, material outlet ports are arranged at the bottoms of the material paths.

The invention discloses a slag furnace for treating a blast furnace thermal-state slag and aims to provide the slag furnace which not only can fully utilize residual heat resources in the blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in the slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral wool to be improved. The slag furnace includes a feeding tank, a homogenizing tank, a melting tank, a clarifying tank and at least two material paths. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. The clarifying tank is communicated with the melting tank through a third liquid flowing path. One end of each material path is communicated with the clarifying tank and the other end of each material path is closed. In addition, material outlet ports are arranged at the bottoms of the material paths.

The invention provides a left wheel popup box type porous pull-down plug graphite water gap device of an electromagnetic slag smelter. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter structurally comprises a moving arm, a plug shifting arm, a plug shifting air cylinder, a pin shaft, a fixed frame, a rotating shaft, a plug pushing air cylinder, a graphite water gap, a graphite plug and a porous cone. The left wheel popup box type porous pull-down plug graphite water gap device of the electromagnetic slag smelter has the advantages of achieving the effects that the blocking of high temperature slag in base flow of an electromagnetic induction slag smelter is relieved when the flow is open, and the flow is controlled at a constant temperature. Besides, the technological requirements of rock wool production are met, and a bottleneck is broken for the production of high quality rock wool. The designed bottom leakage deslagging water gap ensures flow accuracy, can be opened and closed at will, and does not waste melts. The energy consumption is low, thermal efficiency is high, the amount of waste residue is small, the fiber forming rate is high, and the cost advantage is obvious. The electromagnetic slag smelter is not only excellent in temperature rise and regulation performance, heat preservation performance and hardening and tempering performance, but also high in storage capacity, thereby laying a good foundation for scale production. The left wheel popup box type porous pull-down plug graphite water gap device has the advantages of being controllable in high temperature liquid state slag flow, smooth, free of blocking, safe, reliable, convenient to use and efficient.

The invention relates to a rock / mineral wool centrifugal machine and a rock / mineral wool production method thereof. The rock / mineral wool centrifugal machine comprises a machine base and four centrifugal rollers arranged on the machine base; the four centrifugal rollers are respectively a first roller, a second roller, a third roller and a fourth roller; wherein the second roller is located on oneside of the first roller, and the height difference between the axis of the second roller and the axis of the first roller ranges from -60 mm to 40 mm; the third roller is located below the first roller, and the axis of the third roller deviates towards the side close to the second roller; the height difference between the axis of the second roller and the axis of the first roller ranges from -60mm to 40 mm; the third roller is located below the first roller, and the axis of the third roller deviates towards one side close to the second roller; so that fibers can be formed by the four centrifugal rollers, few slag balls are generated in the production process, and the fiber forming rate of the rock / mineral wool centrifugal machine is greatly increased.

The invention relates to an underflow-type flow-controllable electric-heating graphite nozzle device used for short-flow rock wool production. The device is structurally characterized in that a graphite sleeve is fixed on a bottom lining, the upper end of a graphite electric-heating spiral tube is connected to the graphite sleeve in a threaded manner, an electric-heating tube graphite conducting plate is fixed to the graphite electric-heating spiral tube through a graphite fixing nut, and refractory filler is arranged on two sides of the graphite electric-heating spiral tube. The device has the advantages that the process using the device saves more than 60% of energy consumption per ton as compared to the cupola rock wool process; no environmental pollution occurs; the slag smelter is high in power factor, low in energy consumption and high in heating speed; the bottom-leak deslagging nozzle ensures accurate flow, and no melt is wasted; the adaptation range is wider, and the furnace burden ingredients are adjustable; a slag bath with the upper temperature limit of 1700 DEG C is satisfactory to melts of various qualities, with no need for coke; magnetic stirring and mechanical stirring guarantee even melt ingredients; energy consumption is low, heat efficiency is high, and waste slag is little; the smelter is superior in terms of temperature rise, temperature adjustment, temperature retention and conditioning and is high in loading capacity.

The invention discloses a blast furnace thermal slag-to-mineral wool preparation system, and aims to provide the blast furnace thermal slag-to-mineral wool preparation system that not only can make full use of the residual heat resources in blast furnace thermal slag, is environment-friendly, but also can achieve uniform melt melting in a slag melting furnace and high vitrification degree, and effectively improve the fiber forming rate and quality of mineral wool. The system includes: a slag fetching ditch for diversion of blast furnace thermal slag, a slag melting furnace and at least two centrifuges. The slag melting furnace comprises, in order, a charging pool, a homogenization pool, a melting pool, a purification pool and at least two material channels. The upper part of the charging pool is provided with a slag inflow port and a main tempering material adding port. The bottom of the charging pool and the bottom of the homogenization pool are connected through a first liquid flow channel, the bottom of the homogenization pool and the bottom of the melting pool are communicated through a second liquid flow channel, and the purification pool and the melting pool are communicated through a third liquid flow channel. One end of each of the material channels is communicated with the purification pool, the other end is sealed, and the bottom of each material channel is provided with a discharge port.

The invention discloses a method for preparing an apocynum spinnable fiber, which comprises the following processes: activating treatment on an original apocynum skin, soda boiling, washing and dehydration drying. The activating treatment process of the original apocynum skin is as follows: at room temperature, dipping the original apocynum skin in water, adding a reducing agent to the water, raising the temperature to be between 65 and 75 DEG C, adding an oxidant to the mixture, keeping the temperature for at least 80 minutes, and cooling the mixture to the room temperature. Compared with the prior art, the fiber preparation process of the invention has the advantages of simplifying the technical process, greatly reducing the process time, lowering the temperature of a treatment fluid, achieving the aim of saving energy and reducing consumption, and improving the fiber forming rate for the preparation of the apocynum fiber, along with good spinning performance and good handfeel and glossiness.

The invention discloses a high-performance Al4SiC4 fiber and a preparation process thereof. The high-performance Al4SiC4 fiber is prepared from the following raw materials by weight: 65%-80% of bauxite and 20%-35% of silica. The preparation process for the high-performance Al4SiC4 fiber has the advantages of abundant raw material resources, low production cost and easiness in realizing industrialproduction, overcomes the defects of high difficulty and high cost in industrial preparation of the Al4SiC4 fiber in the prior art, and realizes large-scale and industrial production of the Al4SiC4 fiber. The high-performance Al4SiC4 fiber prepared by using the process of the invention has excellent performance and has high anti-torsion properties and tensile properties, and can be widely appliedin fields like aviation, aerospace, automobiles, rail traffic, navigation and oceanographic engineering.

The present invention discloses a charging method for industrial production and its charging system. Said charging system includes the following portions: bunker, electronic-weighing system, belt conveyer, conveying guideway, bucket and smelting furnace. Said invention also provides the concrete steps of said charging method.

The invention discloses a blast furnace thermal-state slag granular cotton production line and aims to provide the blast furnace thermal-state slag granular cotton production line which not only can fully utilize residual heat resources in blast furnace thermal-state slag and is energy-saving and environmental-protective but also can enable a melt in a slag furnace to be melted uniformly, a vitrification degree to be high and a fiber-forming ratio and quality of mineral cotton to be improved. The device includes a blast furnace slag trough used for guiding a blast furnace thermal-state slag flow, a slag furnace and a centrifugal machine. The slag furnace successively includes a feeding tank, a homogenizing tank, a melting tank and a material path. A slag flow inlet and a main modulating material feeding port are arranged on an upper part of the feeding tank. The bottom of the feeding tank is connected to the bottom of the homogenizing tank through a first liquid flowing path. The bottom of the homogenizing tank is communicated with the bottom of the melting tank through a second liquid flowing path. One end of the material path is communicated with the melting tank and the other end of the material path is closed. In addition, a material outlet port is arranged at the bottom of the material path.

The invention discloses a mineral wool boiling melting method of directly using grainy waste slag and coal, which pertains to the field of mineral wool production technology. The method includes: taking using grainy waste slag, etc., as mineral wool raw materials, continuously quantitatively adding into the melting bath of a boiling smelter, and using high-pressure and high-temperature air to spray the fuel (coal) into the melting body below the boiling smelter bath surface; providing raw materials, auxiliary materials for the melting bath of the boiling smelter so that the melting bath intensely boils to speed up melting and homogenization of mineral wool raw materials; mineral wool melt body controlling the flow quantity of the flow strand according to the fiber-forming mount requirement of fiber-forming machine, and then guiding the flow strand to the material roller of the fiber-forming machine, to performing the normal mineral wool fiber-forming process. The inventive melting hashigher thermal efficiency, which can reach more than 40%, 10 to 15 percentages higher than the ordinary mineral wool cupola. And the invention can significantly reduce the mineral wool melting of theenergy consumption.

The invention discloses a preparation method of aramid fiber 1414 fiber composite material, which belongs to the technical field of artificial fiber and composite material. The present invention uses poly-p-phenylene terephthalamide and terephthaloyl chloride as raw materials, and through polymerization, spinning and post-treatment, the temperature, viscosity, time, content, spinning speed, tension and other condition parameters in the production process are adjusted. The strict control can effectively ensure the stable production process based on aramid 1414 fiber composite materials, and at the same time, improve the quality of the target composite materials to meet market demand.