Abrégé

An apparatus for preparing lithium sulfide includes a reaction chamber that has a reaction space for generating lithium sulfide and is provided to move a supplied lithium raw material in a predetermined direction; a lithium raw material supply unit provided to continuously supply the lithium raw material to an upstream side of the reaction chamber in the predetermined direction; a hydrogen sulfide supply unit provided to supply hydrogen sulfide to the reaction chamber; a heating unit; a lithium sulfide recovery unit provided on a downstream side of the reaction chamber in the predetermined direction and provided to recover lithium sulfide that is generated by a reaction between the hydrogen sulfide and the lithium raw material in the reaction chamber; an inert gas supply unit provided to supply an inert gas to the upstream side of the reaction chamber in the predetermined direction; and a moisture removal unit.

Classes IPC  ?

• B01J 10/00 - Procédés chimiques généraux faisant réagir un liquide avec des milieux gazeux autrement qu'en présence de particules solidesAppareillage spécialement adapté à cet effet
• B01D 53/26 - Séchage des gaz ou vapeurs
• B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
• B01J 19/26 - Réacteurs du type à injecteur, c.-à-d. dans lesquels la distribution des réactifs de départ dans le réacteur est effectuée par introduction ou injection au moyen d'injecteurs
• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins

Abrégé

The apparatus for mass-producing lithium sulfide includes: a reaction chamber having a reaction space for production of lithium sulfide and provided with a lithium raw material; a hydrogen sulfide supply unit provided to supply hydrogen sulfide to the reaction chamber; a heating unit provided to heat the reaction space; a lithium sulfide recovery unit provided to recover only pure lithium sulfide by removing impurities from lithium sulfide generated by a reaction between hydrogen sulfide and a lithium raw material in the reaction chamber; a condensing unit for collecting and condensing the gas discharged from the reaction chamber; a solvent re-supply unit for receiving the mixture from the condensation unit, selecting a reaction solvent, and then supplying the selected reaction solvent into the reaction chamber; and a moisture removal unit provided to supply only the hydrogen sulfide gas to the lower end of the reaction chamber, the hydrogen sulfide supply unit, or the hydrogen sulfide supply line after removing water vapor from the recovery gas transferred from the solvent resupply unit.

Classes IPC  ?

• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins
• C01B 17/36 - Purification
• H01M 10/0562 - Matériaux solides
• B01J 8/22 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées l'agent fluidisant étant un liquide du gaz étant introduit dans le liquide
• B01J 8/18 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées

Abrégé

An apparatus for mass-producing lithium sulfide according to the present invention is for economically mass-producing lithium sulfide, and comprises: a reaction chamber including a reaction space for producing lithium sulfide and having a lithium raw material; a hydrogen sulfide supply unit provided to supply hydrogen sulfide to the reaction chamber; a heating unit provided to heat the reaction space; a lithium sulfide recovery unit provided to recover only pure lithium sulfide by removing impurities from lithium sulfide generated by a reaction between the hydrogen sulfide and the lithium raw material in the reaction chamber; a condensing unit which recovers and condenses a gas discharged from the reaction chamber; a solvent re-supply unit which receives a mixture from the condensing unit, selects a reaction solvent, and then supplies the selected reaction solvent into the reaction chamber; and a moisture removal unit provided to remove water vapor from a recovery gas transferred from the solvent re-supply unit and then supply only a hydrogen sulfide gas to the lower end of the reaction chamber, the hydrogen sulfide supply unit, or a hydrogen sulfide supply line.

Classes IPC  ?

• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins
• C01B 17/36 - Purification
• H01M 10/0562 - Matériaux solides
• B01J 8/22 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées l'agent fluidisant étant un liquide du gaz étant introduit dans le liquide
• B01J 8/18 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées

Abrégé

An apparatus for manufacturing lithium sulfide, according to the present invention, comprises: a plurality of reaction chambers having a reaction space in which lithium sulfide is produced by the reaction of lithium raw materials and hydrogen sulfide; a plurality of lithium raw material supply units for supplying lithium raw materials to each reaction chamber; and a hydrogen sulfide supply unit for supplying hydrogen sulfide to the plurality of reaction chambers, wherein in each reaction chamber, when the amount of hydrogen sulfide reacting with respect to the amount of supplied hydrogen sulfide is defined as a hydrogen sulfide reaction rate, the hydrogen sulfide supply unit supplies hydrogen sulfide to the plurality of reaction chambers so that at least two of the plurality of reaction chambers have different hydrogen sulfide reaction rates from each other.

Classes IPC  ?

• B01J 8/08 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules mobiles
• B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins

Abrégé

A lithium sulfide production apparatus according to the present invention comprises a plurality of reaction chambers provided such that a supplied lithium raw material is moved in one direction, wherein the reaction chambers each have a reaction space in which lithium sulfide is generated by a reaction of the lithium raw material and hydrogen sulfide. The lithium raw material is sequentially supplied to the plurality of reaction chambers in one direction, and the hydrogen sulfide is sequentially supplied to the plurality of reaction chambers in the direction opposite to the one direction from any one of the plurality of reaction chambers other than the reaction chamber to which the lithium raw material is supplied.

Classes IPC  ?

• B01J 8/08 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés avec des particules mobiles
• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins

Abrégé

A lithium sulfate production apparatus according to the present invention comprises: a reaction chamber having a reaction space for producing lithium sulfide and configured to move a supplied lithium raw material in a predetermined direction; a lithium raw material supply unit configured to continuously supply the lithium raw material to the upstream side in the predetermined direction in the reaction chamber; a hydrogen sulfide supply unit configured to supply hydrogen sulfide to the reaction chamber; a heating unit configured to heat the reaction space; a lithium sulfide recovery unit disposed on the downstream side in the predetermined direction in the reaction chamber and configured to recover lithium sulfide produced by a reaction between hydrogen sulfide and the lithium raw material in the reaction chamber; an inert gas supply unit configured to supply an inert gas to the upstream side in the predetermined direction in the reaction chamber; and a moisture removal unit disposed on the downstream side in the predetermined direction in the reaction chamber and configured to recover gas discharged from the reaction chamber, remove vapor from the gas, and then supply the gas back to the upstream side in the predetermined direction in the reaction chamber.

Classes IPC  ?

• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins
• C01B 17/38 - Déshydratation
• F25J 3/08 - Séparation des impuretés gazeuses des gaz ou des mélanges gazeux
• F25J 3/06 - Procédés ou appareils pour séparer les constituants des mélanges gazeux impliquant l'emploi d'une liquéfaction ou d'une solidification par condensation partielle

Abrégé

An apparatus for preparing lithium sulfide according to the present invention comprises: a reaction chamber that has a reaction space for generating lithium sulfide and is provided so as to move a supplied lithium raw material in a predetermined direction; a lithium raw material supply unit provided so as to continuously supply the lithium raw material to an upstream side in a predetermined direction in the reaction chamber; a hydrogen sulfide supply unit provided so as to supply hydrogen sulfide to the reaction chamber; a heating unit provided so as to heat the reaction space; a lithium sulfide harvesting unit provided on a downstream side of the reaction chamber in a predetermined direction and provided so as to harvest lithium sulfide that is generated by a reaction between the hydrogen sulfide and the lithium raw material in the reaction chamber; an inert gas supply unit provided so as to supply an inert gas to the upstream side in the predetermined direction in the reaction chamber; and a moisture removal unit provided on the downstream side of the reaction chamber in the predetermined direction to recover gas discharged from the reaction chamber, remove water vapor from the gas, and then supply the gas back to the upstream side of the reaction chamber in the predetermined direction, wherein the hydrogen sulfide supply unit is a hydrogen sulfide reactor that synthesizes hydrogen sulfide by using liquid sulfur and hydrogen gas that are sprayed from a liquid sulfur spray pipe.

Classes IPC  ?

• C01B 17/22 - Sulfures ou polysulfures de métaux alcalins
• C01B 17/24 - Préparation par réduction
• H01M 10/0562 - Matériaux solides