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50T medium-frequency refining furnace Wet electrostatic precipitator ash hopper is assembled on the assembly platform with hopper hopper size welding: the upper monolithic pieces are separately assembled and inverted and placed on the platform (that is, the big mouth down); The sidings are fixed to the spot welds in turn and checked for correctness. After welding, the lower ash hoppers are butt-welded. The angles of the outer walls of the ash hoppers must be overlapped with each other, and the lap joints must be welded firmly so as not to affect the strength. The baffles can be installed slowly until the hopper is in place.
Electrostatic precipitator ash bucket installation. After the ash bucket is fully assembled, it shall be hoisted; in order to prevent deformation during hoisting, a temporary reinforcement support shall be installed in the ash hopper; when lifting, attention shall be paid to the length direction of the upper hopper of the ash bucket, which shall not be installed wrong, and shall be temporarily supported on the foundation. After the pressure parts and side plates are in place, one by one, the ash bucket will be straightened. Make the ash bucket return to the center of the flange in a straight line on the length and width of the electric field. The flange elevation is in the same plane. Then join the hopper top with the pressure member, the side plate, and the T-shaped stringer joint. The welding should be sealed and firm, and the airtightness and strength should be guaranteed. After the hopper is in place, install the baffle plate in the ash hopper perpendicular to the air flow direction; the welding must be firm; otherwise, the detachment of the baffle plate will cause the clogging of the ash hopper and eventually cause a short circuit in the electric field.
Wet electrostatic precipitator hopper installation inspection. The weld seam is tight and the scar on the inner wall of the ash bucket must be polished with a grinder. The four sides of the ash hopper inner wall must be flattened on both sides of the board, and the upper port between the transition board and the siding must be sealed; the size deviation of the hopper mouth is -3 to -6mm. Each flange of the ash bucket has a flange center on a straight line in the length and width direction of the electric field, and the flange height deviation of the flange outlet is ±3mm; the angle steel of the ash bucket is reinforced to overlap each other, and the lap joint is welded firmly. In order to avoid affecting the strength; in the ash bucket mouth and pressure joints seam welding, weld requirements plump, smooth transition, good sealing.
50T medium-frequency refining furnace Wet electrostatic precipitator ash hopper is assembled on the assembly platform with hopper hopper size welding: the upper monolithic pieces are separately assembled and inverted and placed on the platform (that is, the big mouth down); The sidings are fixed to the spot welds in turn and checked for correctness. After welding, the lower ash hoppers are butt-welded. The angles of the outer walls of the ash hoppers must be overlapped with each other, and the lap joints must be welded firmly so as not to affect the strength. The baffles can be installed slowly until the hopper is in place.
Electrostatic precipitator ash bucket installation. After the ash bucket is fully assembled, it shall be hoisted; in order to prevent deformation during hoisting, a temporary reinforcement support shall be installed in the ash hopper; when lifting, attention shall be paid to the length direction of the upper hopper of the ash bucket, which shall not be installed wrong, and shall be temporarily supported on the foundation. After the pressure parts and side plates are in place, one by one, the ash bucket will be straightened. Make the ash bucket return to the center of the flange in a straight line on the length and width of the electric field. The flange elevation is in the same plane. Then join the hopper top with the pressure member, the side plate, and the T-shaped stringer joint. The welding should be sealed and firm, and the airtightness and strength should be guaranteed. After the hopper is in place, install the baffle plate in the ash hopper perpendicular to the air flow direction; the welding must be firm; otherwise, the detachment of the baffle plate will cause the clogging of the ash hopper and eventually cause a short circuit in the electric field.
Wet electrostatic precipitator hopper installation inspection. The weld seam is tight and the scar on the inner wall of the ash bucket must be polished with a grinder. The four sides of the ash hopper inner wall must be flattened on both sides of the board, and the upper port between the transition board and the siding must be sealed; the size deviation of the hopper mouth is -3 to -6mm. Each flange of the ash bucket has a flange center on a straight line in the length and width direction of the electric field, and the flange height deviation of the flange outlet is ±3mm; the angle steel of the ash bucket is reinforced to overlap each other, and the lap joint is welded firmly. In order to avoid affecting the strength; in the ash bucket mouth and pressure joints seam welding, weld requirements plump, smooth transition, good sealing.
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