A cooling roll including an axle and a sleeve, the sleeve having a length and a diameter and being structured as follows: an inner cylinder, a plurality of magnets disposed along at least a portion of the inner cylinder length, each magnet being defined by a width, a height and a length, a cooling system surrounding at least a portion of the plurality of magnets, the cooling system and the plurality of magnets being separated by a gap defined by a height, the gap height being the smallest distance between a magnet and the cooling system above, the magnets having a width such that the following formula is satisfied:
gap height×1.1≤magnet width≤gap height×8.6.

A galvanizing furnace (1) with a galvanizing vat (6) and a furnace housing (2) surrounding the galvanizing vat (6), which furnace housing has a rectangular cross-section. The furnace housing (2) has two opposite longitudinal sidewalls (4) and two opposite end walls (5) and further comprises burners for heating molten zinc in the galvanizing vat (6). In the areas of two diagonally opposite corners of the furnace housing (2), at least one first receptacle (15) is provided for a burner. In the areas of the other two diagonally opposite corners of the furnace housing (2), a second receptacle (16) is provided for a burner. The burners are arranged optionally either in the first receptacles (15) or in the second receptacles (16). Flames produced by the burners are conducted in the area between a longitudinal sidewall (4) of the furnace housing (2) and the opposite wall of the galvanizing vat (6).

Provided is apparatus for manufacturing a cathode active material for lithium ion secondary batteries which can improve productivity. The apparatus for manufacturing a cathode active material for lithium ion secondary batteries includes: a conveying device conveying a cathode active material raw material that contains a metallic compound and a lithium compound; and a heating unit adapted to heat the cathode active material raw material, wherein the heating unit has at least one heating roller adapted to heat the cathode active material raw material by heat conduction, and said at least one heating roller has a wrap angle larger than 180° and at most 360°.

A continuous annealing furnace for annealing steel strips that is a vertical-type annealing furnace is configured so that part of gas inside the furnace is drawn and introduced to a refiner disposed outside the furnace including an oxygen removing apparatus and a dehumidifying apparatus, oxygen and moisture contained in the gas are removed to lower the dew point of the gas, and the gas having a lowered dew point is put back into the furnace. At least one gas inlet through which gas is drawn from the furnace into the refiner is disposed in the vicinity of the entry side of the furnace at a distance of 6 m or less in the vertical direction and 3 m or less in the furnace-length direction from the steel-strip-introduction section located at the lower part of the heating zone.

A heat treatment apparatus includes: a plurality of rollers guiding a substrate, each of the rollers having a roller width greater than a substrate width; a heater including a heating surface which has a width greater than the substrate width; and a heat shield member arranged between a heating surface exposed portion of the heating surface, which is exposed while protruding from an end of the substrate in a width direction of the substrate along the width direction and a roller exposed portion of the specific roller included in the plurality of rollers, the roller exposed portion being exposed while protruding from the end of the substrate in the width direction to the same direction in which the heating surface exposed portion protrudes, the heat shield member shielding heat radiation from the heating surface exposed portion to an outer circumferential surface of the roller exposed portion.

A furnace for annealing a sheet includes: a first section; a second vertical section, the second vertical section including openings supplied with an oxidizing medium, an opening facing each side of the sheet, and means for separately controlling a flow of the oxidizing medium on each side of the sheet; and a third section. The second vertical section is located in a distinct casing and separated from the first and third sections with sealing devices. The second vertical section includes extraction openings for extracting the oxidizing medium not consumed by the sheet, an extraction opening facing each side of the sheet. The openings supplied with an oxidizing medium are located transversally at one end of the second vertical section. The extraction openings are located transversally at an other end of the second vertical section.

A cooling roll including an axle and a sleeve, the sleeve having a length and a diameter and being structured as follows: an inner cylinder, a plurality of magnets disposed along at least a portion of the inner cylinder length, each magnet being defined by a width, a height and a length, a cooling system surrounding at least a portion of the plurality of magnets, the cooling system and the plurality of magnets being separated by a gap defined by a height, the gap height being the smallest distance between a magnet and the cooling system above, the magnets having a width such that the following formula is satisfied: gap height x 1.1 magnet width gap height×8.6.

Resistance annealing furnace to anneal at least one metal or metal alloy wire, strand, string, wire rod or strip, the annealing furnace having at least two electric axles provided with respective electric contact rings for conveying the metal or metal alloy wire, strand, string, wire rod or strip, and a DC voltage generator, which can be supplied by an AC voltage (Uac) to generate an annealing voltage (Uann) applied between the two electric axles so as to produce an electric current in the portion of the metal or metal alloy wire, strand, string, wire rod or strip extending between the two electric axles, which provokes an annealing due to the Joule effect. At least one of the electric contact rings is made of a non-metal electric conductor material, for example graphite.

A galvanizing furnace (1) with a galvanizing vat (6) and a furnace housing (2) surrounding the galvanizing vat (6), which furnace housing has a rectangular cross-section. The furnace housing (2) has two opposite longitudinal sidewalls (4) and two opposite end walls (5) and further comprises burners for heating molten zinc in the galvanizing vat (6). In the areas of two diagonally opposite corners of the furnace housing (2), at least one first receptacle (15) is provided for a burner. In the areas of the other two diagonally opposite corners of the furnace housing (2), a second receptacle (16) is provided for a burner. The burners are arranged optionally either in the first receptacles (15) or in the second receptacles (16). Flames produced by the burners are conducted in the area between a longitudinal sidewall (4) of the furnace housing (2) and the opposite wall of the galvanizing vat (6).

An auxiliary heating means for improving the melting efficiency of melter kettles used to melt thermoplastic pavement marking materials. The auxiliary heating means includes a tube assembly through which thermoplastic material received from the bottom of the melter kettle is transferred to the top of the melter kettle. The tube assembly comprises an odd number of tubes having augers therein. The tube assembly is coupled to a side portion of the melter kettle and located within a heat chamber through which hot combustion gases from a combustion chamber at the bottom of the melter kettle flow and transfer heat into the tube assembly. The heat chamber comprises an extended portion of a heat chamber that surrounds the melter kettle.