Manufacturing technology of furnace body of calcining furnace
A calcining furnace and system technology, applied in the field of calcining furnaces, can solve the problems of running jam, difficult shape and position tolerance, failure to meet installation requirements, etc., so as to reduce the workload of assembly and on-site installation, ensure assembly and operation quality, The effect of increasing safety and reliability
Active Publication Date: 2011-07-20
CHENGDU TIANBAO HEAVY IND
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Problems solved by technology
However, in the actual assembly and operation, it was found that when assembling the cylinder body at the furnace head end and the furnace tail end, it is difficult to ensure the shape and position tolerance of the tooth surface connection flange, the rolling ring seat, the furnace head flange, and the furnace tail flange. After the large gear and the two rolling rings, the runout and radial runout of the furnace head flange, large gear, and furnace tail flange relative to the two rolling rings cannot meet the installation requirements, and the adjustment is very difficult. Jamming and stringing occur during operation. movement, seriously affecting the safety of the operation and the quality of the product
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[0018] Below in conjunction with embodiment the present invention is further described.
[0019] The manufacturing process of the furnace body of the calciner is composed of the following steps. The convex flange 20, the concave flange 21, the inner cone surface of the furnace head flange 2 and the furnace tail flange 9 are separately processed; the furnace head flange 2 and the furnace tail are processed The flanges 9 are respectively assembled and welded on the cylinder body 17 at the furnace head end and the cylinder body 22 at the furnace end end; the inner wall of the connection between the cylinder body 17 at the furnace head end and the cylinder body 22 at the furnace tail end is respectively welded with a convex flange 20 and a concave flange 21 , with the seams of the two flanges as the reference, the burner end cylinder 17 and the furnace tail end cylinder 22 are combined, and locked with the first bolt 18 and the first nut 19; the furnace head end cylinder 17 and the...
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The invention discloses a manufacturing technology of a furnace body of a calcining furnace and belongs to the technical field of the manufacture of the calcining furnace. The manufacturing technology comprises: respectively assembling and welding a furnace end flange (2) and a furnace tail flange (9) on a furnace end barrel (17) and a furnace tail barrel (22), respectively welding a male flange (20) and a female flange (21) on the inner wall of the joint between the furnace end barrel (17) and the furnace tail barrel (22), combining the furnace end barrel (17) and the furnace tail barrel (22) by using the seams of the two flanges as standards, locking by using a bolt (18) and a nut (19), welding eight drawplates (6) at intervals on the junction surface between the furnace end barrel (17) and the furnace tail barrel (22), respectively welding technological supporters (4) at intervals in the furnace end barrel (17) and the furnace tail barrel (22), making a reset identifier on the junction surface of two sections of barrels, detaching an integrated tool (12), a bolt (13), a nut (14), a technological rib plate (15) and a technological supporter (16), detaching the bolt (18) and the nut (19), and finally cutting off the drawplates (6). The invention improves assembly accuracy, lightens assembly workload and field installation workload, increases the safe reliability of equipment operation, and ensures the whole assembly quality and running quality of the calcining furnace.
Description
Technical field [0001] The invention relates to a calcination furnace, in particular to a manufacturing process of a calcination furnace body, and belongs to the technical field of calcination furnace manufacture. Background technique [0002] The calciner belongs to a large-scale rotary equipment, and its basic structure is: the left and right parts of the rotating horizontal cylindrical furnace body are respectively covered with left and right rolling rings, and the rolling rings transfer the weight of the furnace body and materials to the matching two sets of supporting wheels Above, the motor meshes with the large gear set in the middle of the furnace body through the reduction device-the pinion gear, to drive the furnace body to rotate. The furnace is equipped with heating tubes, and the materials enter the furnace from the furnace head, and are decomposed by indirect heating of the heat medium in the heating tube, and the dried products are output from the furnace head...
Claims
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IPC IPC(8): B23P15/00
Inventor 邓亲华邓翔钟玉华张海
Owner CHENGDU TIANBAO HEAVY IND