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

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 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 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 discloses a granular wool production line and aims to provide the granular wool 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 wool to be improved. The device includes a slag-obtaining 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. A material discharging end of the slag-obtaining trough stretches into the slag furnace through a feeding inlet of the slag furnace.

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 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.