SHENZHEN SUNXING LIGHT ALLOYS MATERIALS CO., LTD. Patent applications |
Patent application number | Title | Published |
20140138254 | SODIUM CRYOLITE FOR ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF - The invention provides a sodium cryolite for aluminum electrolysis industry, which has a molecular formula: mNaF.AlF | 05-22-2014 |
20140131216 | POTASSIUM CRYOLITE FOR ALUMINUM ELECTROLYSIS INDUSTRY AND PREPARATION METHOD THEREOF - The invention provides a potassium cryolite for aluminum electrolysis industry, which has a molecular formula: mKF.AlF | 05-15-2014 |
20140131214 | LOW-MOLECULAR-RATIO CRYOLITE FOR ALUMINIUM ELECTROLYTIC INDUSTRY AND METHOD FOR PREPARING THE SAME - The disclosure provides low-molecular-ratio cryolite for aluminum electrolytic industry, which consists of potassium cryolite and sodium cryolite with a mole ratio of 1:1˜1:3, wherein the molecular formula of the potassium cryolite is mKF.AlF | 05-15-2014 |
20120321522 | ZERO POLLUTION RECOVERY SYSTEM FOR SAFELY PRODUCING ANHYDROUS FLUORINE HYDRIDE - The present invention provides a zero pollution recovery system for safely producing anhydrous fluorine hydride, comprising: a compartment, a reactor for producing fluorine hydride, and a water pool; the reactor is disposed in the compartment; the water pool is disposed at the bottom of the compartment; absorption hoods are respectively disposed above both ends of the reactor for absorbing fluorine hydride gas; at least two absorption towers mutually connected in series via pipes are disposed above the compartment; water pipes connected with the water pool are respectively disposed at the top and bottom of the absorption tower; and a cooler and a receiver connected with the water pool is disposed on the pipes. The present invention has the advantages of being able to control the range over which fluorine hydride can diffuse. | 12-20-2012 |
20120308430 | SEALING RING AND PREPARATION METHOD THEREOF - The present invention provides a sealing ring and a preparation method thereof. The sealing ring, based on percent by weight, includes 80%-85% of aluminum, 10%-15% of titanium, 0.1%-1% of scrap iron, and 4%-4.9% of potassium fluoroaluminate. Moreover, the present invention provides a method for preparing sealing ring, which includes the following steps: Step A: melting the aluminum in a medium-frequency induction furnace, adding the potassium fluoroaluminate to the medium-frequency induction furnace after melting the aluminum, melting and stirring the mixture evenly; Step B: adding titanium scrap or sponge titanium, and scrap iron to the mixture successively, melting and mixing the mixture totally at 800° C. to 1200° C., standing the mixture after stirring evenly; Step C: removing scum on the surface; Step D: casting into a mould to obtain a final sealing ring. | 12-06-2012 |
20120306131 | DISTILLATION EQUIPMENT FOR PRODUCING SPONGE TITANIUM - The present invention provides a piece of distillation equipment for producing sponge titanium, which includes a heating furnace and a reactor for containing a condensate, wherein a heating furnace cover is arranged above the heating furnace, a reactor cover is arranged above the reactor, the heating furnace cover is connected with the reactor cover by a pipe, a resistance wire is arranged on the pipe, each lifting device is arranged above the heating furnace cover and the reactor cover, a vacuum-pumping pipe is arranged above a heater cover, and a first metal sealing ring is arranged between the reactor cover and the reactor. The present invention has the beneficial effects that the distillation equipment can ensure normal production, and effectively ensure the quality of sponge titanium product. The problem of distillation tube blockage is solved by adopting a metal gasket. | 12-06-2012 |
20120306129 | REACTION EQUIPMENT FOR PRODUCING SPONGE TITANIUM - The present invention provides a piece of reaction equipment for producing sponge titanium, which includes a reactor and a reactor cover with a stirring device, wherein a sealing ring is arranged between the reactor cover and the reactor, one side of the reactor cover is provided with a lifting device for controlling the lifting of the reactor cover, a resistance furnace is arranged above the reactor cover, a valve is arranged below the resistance furnace, and a vacuum-pumping pipe and an inflation pipe are arranged above the reactor cover. The present invention has the beneficial effects that the production equipment can ensure normal production, and effectively ensures the quality of sponge titanium product; compared with the prior art, the equipment has low cost, environmental protection and harmlessness during production. | 12-06-2012 |
20120304826 | METHOD FOR PREPARING SPONGE TITANIUM FROM SODIUM FLUOTITANATE BY ALUMINOTHERMIC REDUCTION - The invention provides a method for preparing sponge titanium from sodium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and zinc are mixed under a vacuum state, and sodium fluotitanate is then added into the mixture for reaction; a separation step: the product resulting from the complete reaction stands still and is then introduced with inert gas, and NaF and AlF | 12-06-2012 |
20120304825 | PROCESS FOR PRODUCING SPONGE TITANIUM - The present invention provides a process for producing sponge titanium, which includes the following steps: Step A: placing aluminum into a resistance furnace, vacuum pumping, introducing inert gas, heating to molten aluminum; Step B: opening a reactor cover, adding a proper amount of potassium fluotitanate to a reactor, leakage detecting after closing the reactor cover, slowly raising the temperature to 150° C., vacuum pumping, and continuously heating to 250° C.; Step C: introducing inert gas into the reactor, continuously raising the temperature to 750° C., stirring uniformly; Step D: opening a valve to adjust the stirring speed, adding molten aluminum drops, and controlling the reaction temperature to 750° C. to 850° C.; Step E: opening the reactor cover, removing a stirring device, eliminating the upper layer of KAlF | 12-06-2012 |
20120304824 | TECHNOLOGICAL METHOD FOR PREPARING SPONGE TITANIUM FROM SODIUM FLUOTITANATE RAW MATERIAL - The invention provides a technological method for preparing sponge titanium from sodium fluotitanate raw material, comprising the following steps: step A: placing aluminum in an airtight resistance furnace, evacuating, introducing inert gas into the resistance furnace, and heating the aluminum to obtain molten aluminum; step B: opening a reactor cover, adding a proper amount of sodium fluotitanate into the reactor, closing the reactor cover, detecting leakage, slowly heating the reactor to 150° C., evacuating and continuously heating the reactor to 250° C.; step C: introducing inert gas into the reactor, continuously heating the reactor to 900° C., and stirring uniformly; step D: opening a valve, adjusting the stirring speed, dripping the molten aluminum, and controlling the temperature of reaction in a range from 900 to 1000° C.; and step E: opening the reactor cover, removing a stirring device out of the reactor, and eliminating NaAlF | 12-06-2012 |
20120304823 | METHOD FOR PREPARING SPONGE TITANIUM FROM POTASSIUM FLUOTITANATE BY ALUMINOTHERMIC REDUCTION - The invention provides a method for preparing sponge titanium from potassium fluotitanate by aluminothermic reduction, comprising the following steps: a reaction step: aluminum and zinc are mixed under a vacuum state, and the mixture is then reacted with potassium fluotitanate; a distillation step: KF, AlF | 12-06-2012 |