Shenzhen Sunxing Light Alloys Materials Co., Ltd.

Sun Xing Chemical & Metallurgical Materials (shenzhen) Co., Ltd.

Qingdong Ye

Bin Li

Jun Yang

Xuemin Chen

Yueming Yu

Jianguo Li

Zhi Zhou

Chaowen Liu

Liping Hu

Ming Yin

Sihai Zhou

Xinyi Chen

Jimin Yuan

Hexi Zeng

Zhi Xhou

The present invention pertains to the field of metal alloy, and discloses an aluminum-zirconium-titanium-carbon grain refiner for magnesium and magnesium alloys, having a chemical composition of: 0.01%&#x2dc;10% Zr, 0.01%&#x2dc;10% Ti, 0.01%&#x2dc;0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an Al&#x2014;Zr&#x2014;Ti&#x2014;C intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries.

Aluminum-zirconium-titanium-carbon grain refiner and method for producing the same

The present invention pertains to the field of metal alloy, and relates a grain refiner for magnesium and magnesium alloys, which is an aluminum-zirconium-carbon (Al&#x2014;Zr&#x2014;C) intermediate alloy, having a chemical composition of: 0.01%&#x2dc;10% Zr, 0.01%&#x2dc;0.3% C, and Al in balance, based on weight percentage. Also, the present invention discloses the method for preparing the grain refiner. The grain refiner according to the present invention is an intermediate alloy having great nucleation ability and in turn excellent grain refining performance for magnesium and magnesium alloys, and is industrially applicable in the casting and rolling of magnesium and magnesium alloy profiles, enabling the wide use of magnesium in industries.

Grain refiner for magnesium and magnesium alloys and method for producing the same

The invention provides a Potassium Fluotitanate (KTIF6) manufacture process. The Potassium Fluotitanate (KTIF6) manufacture process includes steps: A. providing titanium ferrum powder to a reaction furnace and adding HF and peroxide solution to react with the titanium ferrum powder sufficiently to manufacture HTiF, B. filtrating the sufficiently mixed solution of step A and adding it to another reaction furnace, and then after the HTiFcools off, adding Potassium Chloride (KCl) solution to react with the mixed solution to manufacture Potassium Fluotitanate (KTiF); C. adding KCOsolution to the remaining solution of step B and react with the remaining solution and controlling the pH value, the element Fe is recycled by a form of Fe(OH)flocculent precipitate and the Potassium Chloride (KCl) and KF solution are recycled. This invention has these advantages: adding peroxide to the titanium ferrum powder can oxidize Feinto Feand adding KCOsolution to clean element Fe out by a form of Fe(OH)flocculent precipitate, and the hydrofluoric acid (HF) can be recycled which can realize the HF zero polluting discharge.

Potassium fluotitanate manufacture and device background

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&#xb0; C. to 1200&#xb0; C., standing the mixture after stirring evenly; Step C: removing scum on the surface; Step D: casting into a mold to obtain a final sealing ring.

Sealing ring and preparation method thereof

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.

Zero pollution recovery system for safely producing anhydrous fluorine hydride

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.

Distillation 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.

Reaction equipment for producing sponge titanium

An electromagnetic induction melting furnace to control an average nominal diameter of the TiC cluster of the Al&#x2014;Ti&#x2014;C alloy includes a main body containing the melted alloy; and a multi-layer coil disposed on the main body, wherein a frequency of the alternative current of each coil of the multi-layer coil is different, and the alloy is heated by inducing a magnetic field generated by the alternative currents. The selection of the frequency and the changeable magnetic field may reduce the cohesion force between the TiC grains of the Al&#x2014;Ti&#x2014;C alloy to control the average nominal diameter of the TiC cluster.

Electromagnetic induction melting furnace to control an average nominal diameter of the TiC cluster of the Al&#x2014;Ti&#x2014;C alloy

An electromagnetic induction melting furnace to control an average nominal diameter of the TiBcluster of the Al&#x2014;Ti&#x2014;B alloy includes a main body containing the melted alloy; and a multi-layer coil disposed on the main body, wherein a frequency of the alternative current of each coil of the multi-layer coil is different, and the alloy is heated by inducing a magnetic field generated by the alternative currents. The selection of the frequency and the changeable magnetic field may reduce the cohesion force between the TiBgrains of the Al&#x2014;Ti&#x2014;B alloy to control the average nominal diameter of the TiBcluster.

[object Object]

A method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding sodium carbonate and sodium hydroxide to the fluotitanic acid to enable a reaction to form the sodium fluotitanate; C) putting the sodium fluotitanate into a reactor, adding aluminum to react with the sodium fluotitanate to form the titanium sponge and sodium cryolite; D) extracting the sodium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and sodium sulphate, aluminum sodium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid solution; E) recycling the obtained hydrofluoric acid to Step A to leach the titaniferous iron concentrate.

Method for cyclically preparing titanium sponge and coproducing sodium cryolite using sodium fluotitanate as intermediate material

A method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as an intermediate material, which includes the following steps: A) adding hydrofluoric acid to titaniferous iron concentrate to enable a reaction to form fluotitanic acid; B) adding potassium sulphate to the fluotitanic acid to enable a reaction to form the potassium fluotitanate; C) putting the potassium fluotitanate into a reactor, adding aluminum to react with the potassium fluotitanate to form the titanium sponge and potassium cryolite; D) extracting the potassium cryolite and sending it to a rotary reaction kettle together with concentrated sulphuric acid to enable a reaction to form hydrogen fluoride gas and potassium sulphate, aluminum potassium sulphate; collecting the hydrogen fluoride gas and dissolving it into water to obtain a hydrofluoric acid aqueous solution; E) recycling the obtained hydrofluoric acid aqueous solution to Step A to leach the titaniferous iron concentrate.

Method for cyclically preparing titanium sponge and coproducing potassium cryolite using potassium fluotitanate as intermediate material

The present invention relates to the field of magnesium and magnesium alloy processing, and discloses the use of aluminum-zirconium-titanium-carbon (Al&#x2014;Zr&#x2014;Ti&#x2014;C) intermediate alloy in wrought processing of magnesium and magnesium alloys, wherein the aluminum-zirconium-titanium-carbon intermediate alloy has a chemical composition of: 0.01% to 10% Zr, 0.01% to 10% Ti, 0.01% to 0.3% C, and Al in balance, based on weight percentage; the wrought processing is plastic molding; and the use is to refine the grains of magnesium or magnesium alloys. The present invention further discloses the method for using the aluminum-zirconium-titanium-carbon (Al&#x2014;Zr&#x2014;Ti&#x2014;C) intermediate alloy in casting and rolling magnesium and magnesium alloys. The present invention provides an aluminum-zirconium-titanium-carbon (Al&#x2014;Zr&#x2014;Ti&#x2014;C) intermediate alloy and the use thereof in the plastic wrought processing of magnesium or magnesium alloys as a grain refiner. The aluminum-zirconium-titanium-carbon intermediate alloy has the advantages of great ability in nucleation and good grain refining effect, and achieves the continuous and large-scale production of wrought magnesium and magnesium alloy materials.

Use of aluminum&#x2014;zirconium&#x2014;titanium&#x2014;carbon intermediate alloy in wrought processing of magnesium and magnesium alloys

The present invention relates to the field of magnesium and magnesium alloy processing, and discloses a use of aluminum-zirconium-carbon (Al&#x2014;Zr&#x2014;C) intermediate alloy in wrought processing of magnesium and magnesium alloys, wherein the aluminum-zirconium-carbon intermediate alloy has a chemical composition of: 0.01% to 10% Zr, 0.01% to 0.3% C, and Al in balance, based on weight percentage; the wrought processing is plastic molding; and the use is to refine the grains of magnesium or magnesium alloys. The present invention further discloses the method for using the aluminum-zirconium-carbon (Al&#x2014;Zr&#x2014;C) intermediate alloy in casting and rolling magnesium and magnesium alloys. The present invention provides an aluminum-zirconium-carbon (Al&#x2014;Zr&#x2014;C) intermediate alloy and the use thereof in the plastic wrought processing of magnesium or magnesium alloys as a grain refiner. The aluminum-zirconium-carbon intermediate alloy has the advantages of great ability in nucleation and good grain refining effect, and achieves the continuous and large-scale production of wrought magnesium and magnesium alloy materials.

Use of aluminum-zirconium-carbon intermediate alloy in wrought processing of magnesium and magnesium alloys

The present invention discloses a method for producing an aluminum-zirconium-titanium-carbon (Al&#x2014;Zr&#x2014;Ti&#x2014;C) intermediate alloy; the Al&#x2014;Zr&#x2014;Ti&#x2014;C intermediate alloy comprises 0.01% to 10% Zr, 0.01% to 10% Ti, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: preparing commercially pure aluminum, zirconium, titanium, and graphite material according to the weight percentages of the aluminum-zirconium-titanium-carbon intermediate alloy; the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, KZrF6, KTiFor the combination thereof, soaked for 12 to 72 hours, filtrated or centrifuged, and dried at 80&#xb0; C. to 200&#xb0; C. for 12 to 24 hours; melting the commercially pure aluminum and keeping it at 700&#xb0; C. to 900&#xb0; C. to provide aluminum liquid, in which the prepared zirconium, the titanium and the treated graphite powder are added and melted to provide an alloy solution; and keeping the alloys solution at 700&#xb0; C. to 900&#xb0; C. under agitation and performing casting molding. The present method produces a high-quality Al&#x2014;Zr&#x2014;Ti&#x2014;C intermediate alloy in low cost.

Method for preparing aluminum&#x2014;zirconium&#x2014;titanium&#x2014;carbon intermediate alloy

The present invention discloses a method for producing an aluminum-zirconium-carbon (Al&#x2014;Zr&#x2014;C) intermediate alloy; the Al&#x2014;Zr&#x2014;C intermediate alloy has a chemical composition of 0.01% to 10% Zr, 0.01% to 0.3% C, and Al in balance; the producing method comprising the steps of: producing commercially pure aluminum, zirconium metal, and graphite material according to the weight percentages of the aluminum-zirconium-carbon intermediate alloy; the graphite is graphite powder having an average particle size of 0.074 mm to 1 mm; and the graphite powder is subjected to the following treatments: being added to the aqueous solution of KF, NaF, K2ZrF6, K2TiF6 or the combination thereof, soaked for 12 to 72 hours, filtrated or centrifuged, and dried at 80&#xb0; C. to 200&#xb0; C. for 12 to 24 hours; melting the commercially pure aluminum and keeping it at 700&#xb0; C. to 900&#xb0; C. to provide aluminum liquid, in which the prepared zirconium and the treated graphite powder are added and melted to provide an alloy solution; and keeping the alloys solution at 700&#xb0; C. to 900&#xb0; C. under mechanical or electromagnetic agitation and performing casting molding. The present method produces a high-quality Al&#x2014;Zr&#x2014;C intermediate alloy in low cost.

Growing community of inventors

Guangdong, China

Qingdong Ye