Abstract: A float bath for manufacturing glass includes a slot formed in a bottom block of the float bath in which a molten metal is to be filled, a barrier member capable of being inserted into the slot, a receiving portion formed in at least one side block that connects with the bottom block so as to communicate with the slot, and a placing member placed in the receiving portion to be connected to one end of the barrier member.

Abstract: An apparatus for manufacturing a float glass, including a float bath for strong a molten metal on which a molten glass flows, wherein the molten metal flows in the float bath, comprises a plurality of discharge slits formed through a wall of a downstream end of the float bath to discharge a molten metal crashing against the wall and dross floating on the molten metal; a flow-back channel formed in a widthwise direction of the float bath and communicated with the discharge slits; and a dross collecting member for collecting the dross flowing through the flow-back channel.

Abstract: An apparatus for manufacturing a float glass, including a float bath for storing a molten metal on which a molten glass flows, wherein the molten metal flows in the float bath, comprises a discharge slot having substantially the same size as width of the molten glass to discharge a molten metal crashing against a wall of a downstream end of the float bath and dross floating on the molten metal, and formed through the wall substantially parallel to a traveling direction of the molten glass; connecting channels for communicating the discharge slot with both sides of the float bath; and dross collecting members for collecting the dross.

Abstract: The present invention provides a method for manufacturing a float glass by floating the glass on a molten tin that is contained in a molten tin bath, which includes the steps of a) discharging a portion of the molten tin in the molten tin bath to the outside of the molten tin bath; b) removing oxygen dissolved in the molten tin that is discharged from the molten tin bath by injecting an oxygen stripping gas that contains hydrogen into the molten tin; and c) returning the molten tin from which oxygen is removed to the molten tin bath, and an apparatus for manufacturing the same.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: A float bath for manufacturing a float glass includes a brick assembly composed of a plurality of bricks storing a molten metal so that a float glass is capable of moving forward while floating on the molten metal, a bottom casing for forming an outer side of the brick assembly, and an air blower installed away from the bottom casing to supply a cooling air toward the bottom casing. The air blower includes a plurality of nozzles having a diameter of about 30 mm and arranged with a pitch of about 250 mm to about 300 mm in order to cool the bottom casing to a predetermined temperature.

Abstract: A float bath for manufacturing a float glass includes a brick assembly composed of a plurality of bricks to store a molten metal so that a float glass is capable of moving forward while floating on the molten metal, a bottom casing for forming an outer side of the brick assembly, and an air blower installed away from the bottom casing to supply a cooling air toward the bottom casing. The air blower is disposed so that the cooling air is injected toward gaps between the bricks.

Abstract: An apparatus for manufacturing a float glass includes a float bath in which a molten glass moves on a surface of a floatable molten metal to form a glass ribbon, a casing deformation preventing member for allowing an inert gas to flow around an end casing at an outlet of the float bath to prevent the end casing from deforming, a dross box disposed adjacent to a downstream end of the float bath and having lift-out rollers for drawing the glass ribbon, an introduction member for introducing an inert gas into the dross box, and a recycling path for supplying an inert gas, which discharges from the casing deformation preventing member, to the introducing member.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a shield for preventing a vapor, which is generated from the molten metal at both sides of the bottom block, from advancing toward the molten glass or for keeping a circumstance above the molten glass.

Abstract: An annealing apparatus for a float glass continuously anneals a glass ribbon molded in a float bath. The annealing apparatus includes a lehr housing having an inlet and an outlet for the glass ribbon, a plurality of lehr rolls rotatably installed to the lehr housing in a width direction of the lehr housing, and labyrinth seals installed between the lehr rolls and sidewalls of the lehr housing, respectively, to prevent sulfurous acid gas supplied into the lehr housing from discharging out.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored and floats, a loop block which covers the bottom block and has at least one hole formed therethrough, a heater installed through the hole, and a fragment intercepting member for preventing fragments generated at the loop block from falling onto the bottom block through the hole.

Abstract: An apparatus for manufacturing a float glass includes a bottom block in which molten metal is stored to float, a loop block which covers the bottom block, and a plurality of thermocouples buried in the loop block in a predetermined pattern to measure the temperature of the loop block so that a temperature gradient of an inner circumstance of a float chamber formed by the bottom block and the loop block is measured and/or controlled.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: Disclosed is a float bath system for manufacturing a float glass, comprising a block assembly having a plurality of blocks connected to each other and configured to store a molten metal therein; a steel casing surrounding the block assembly; an air blower capable of supplying air to the steel casing; and a cooling water spray member capable of spraying a cooling water onto the steel casing. And, a cooling method of said float bath system is disclosed.

Abstract: Disclosed is a shell-and-tube reactor or heat exchanger, which alternately comprises a doughnut-type baffle plate and a first disc-type baffle plate in order to increase heat transfer efficiency. In the reactor or heat exchanger, a second disc-type baffle plate is placed in an empty space inside of the doughnut-type baffle plate, and some tubes, through the inside of which a first object for heat transfer with a heat transfer medium, are present in a region inside of the doughnut-type baffle plate and outside of the second disc-type baffle plate. Also disclosed is a method for producing an oxide, comprising: using said reactor or heat exchanger, and causing a catalytic vapor-phase oxidation reaction in the tubes, through the inside of which the first object for heat transfer with the heat transfer medium is passed.

Abstract: A float bath for manufacturing glass includes a slot formed in a bottom block of the float bath in which a molten metal is to be filled, a barrier member capable of being inserted into the slot, a receiving portion formed in at least one side block that connects with the bottom block so as to communicate with the slot, and a placing member placed in the receiving portion to be connected to one end of the barrier member.

Abstract: Disclosed is a method for recycling a cerium oxide abrasive. The method may include adding a strong alkali solution to a slurry waste of the cerium oxide abrasive, adding sodium fluoride to the slurry waste, and separating a cerium oxide particle included in the slurry waste from other kinds of particles.

Abstract: The present invention provides a method for manufacturing a float glass by floating the glass on a molten tin that is contained in a molten tin bath, which includes the steps of a) discharging a portion of the molten tin in the molten tin bath to the outside of the molten tin bath; b) removing oxygen dissolved in the molten tin that is discharged from the molten tin bath by injecting an oxygen stripping gas that contains hydrogen into the molten tin; and c) returning the molten tin from which oxygen is removed to the molten tin bath, and an apparatus for manufacturing the same.

Abstract: An layout for a glass manufacturing system may include a hot process part having a batch plant for storing a glass raw material, a tank for melting the raw material and storing a molten glass, a float bath for forming the molten glass into a glass of a ribbon shape, an annealing lehr for cooling the glass ribbon, and a cold end connected to the annealing lehr, and an etching process part having a final cutting sector for cutting the glass provided from the cold end into sheet glasses of a preset final size, a beveling and etching sector for bevel the edges of the cut sheet glasses and etching the beveled sheet glasses, and a first inspection sector for inspecting the etched sheet glasses, and the hot process part and the etching process part may be connected by a single conveyor to form a continuous line.

Abstract: The present invention relates to a method for preparing aldehydes by reacting olefins with a synthesis gas including carbon monoxide and hydrogen, and to an apparatus therefore. More particularly, the present invention relates to a method for preparing aldehydes, characterized by spraying and supplying olefins, synthesis gas including carbon monoxide and hydrogen, and a catalyst composition into an oxo reactor through a nozzle, and to an apparatus therefore. According to the present invention, the hydroformylation efficiency can be improved, thereby obtaining desirable aldehydes with a high yield.