The certain and significant position of Zuo furnace and hot-blast stove, can decide to whether need to undertake according to what using deviation of firebrick over all dimension beforehand build by laying bricks or stones builds; to combine a brick to want to undertake be assemblied beforehand in the manufacturer entirely.
Charcoal piece is assembled beforehand chase a layer in the manufacturer commonly piece undertake. Before be being assembled beforehand, ken seizes the material such as blueprint paper and construction standard, draw every charcoal piece beforehand assembly drawing.
Charcoal of 01 blast furnace piece assemble beforehand reach examination method
A spreads hearth completely
(1) iron platform. Iron platform grows 9m, wide 1.3m, its flatness deviation does not exceed 0.3mm.
(2) the length deviation of every groups of charcoal piece (point to) of design big length: The end panel that working end does not have working end to be 20m (every and tack paste to contact for 10mm; calls blame job to carry) .
Every (group) monomer charcoal piece length is less than set dimension () of 150mm less than, allow to use this groups (row) inside the others charcoal piece adjust, maintain this groups (row) total length is changeless, every not 6 over.
Every groups (row) the deviation of direction of charcoal piece width is 0.5mm.
(3) charcoal piece aperture. The aperture when two charcoal piece build the aperture when receiving to carry a ministry to reach two side to connect with right angle at two charcoal piece not quite with bevel angle is not more than 1mm.
Two charcoal piece are built with bevel angle when receiving, bevel edge is umbriferous length maintains 100~130mm. (Do not control bevel angle to build receive angle) .
(The check method that 4) level seams. Will charcoal piece is placed go up in platform, it is above charcoal piece the horizontal foot that puts a 1.3m to grow again, measure platform and charcoal with cold feet piece reach the aperture between feet of charcoal piece level. Next horizontal aperture are not more than 0.5mm, horizontal aperture is more than on 0. 8mm, and charcoal establishing build by laying bricks or stones piece on horizontal aperture is not more than 1mm, next horizontal aperture are more than 0. 7mm. After classics check is eligible, line of the center on the lacquer painting that use oil is mixed the jumper between charcoal piece.
B annular layer
(1) is seamed in level of the examination on iron platform reach vertical lap seam. Optional charcoal of a standard piece serve as mother piece, next in its two side put charcoal of 3 photographs adjacent piece (every can divide) of of group be careful in one's conduct. Take away eligible charcoal from a side piece, fill to wait for an examination into two from another side. Two-phase adjacent charcoal piece perpendicular aperture is not more than 1 Mm.
In photograph adjacent the random on the end face of 3 charcoal piece a bit, put the horizontal foot with long 1.3m, the feet that use stuff measures platform and charcoal piece reach the aperture between charcoal piece and horizontal feet. Next horizontal aperture are more than 0. 5mm, horizontal aperture is not more than 0.8mm on.
(2) is assembled beforehand on terrazzo platform. When build by laying bricks or stones builds terrazzo platform, decide a firm central axle at center, give many groups of mutual and perpendicular reticle in the picture on mesa.
Be in annual spring, measure the level that assembles a stage beforehand with sruveyor's level.
(3) assembles a diameter beforehand. Stipulate by blueprint the diameter is assembled beforehand, the deviation of annular internal diameter after be being assembled beforehand is 20mm.
(4) assembles a method beforehand. Will mother piece is placed on 0 lines, the central line of mother piece and be identical of 0 lines photograph. Next, at a side (or two side) ordinal shop puts eligible charcoal piece and mark keeps serial number.
Of the 2nd mother piece case place the method differs with before one half wide, namely the flank of mother piece and be identical of 0 lines photograph. The 3rd, 5, 7 wait for a layer case place method and the 1st identical; the 4th, 6, 8 wait for a layer case place method and the 2nd alternate with.
Photograph adjacent charcoal piece inside stage of round mutual fault is not more than fluctuation the distance of vertical lap seam of two charcoal piece must not be less than area of 40mm(iron mouth or fluctuation amount of two charcoal piece differs, do not have especially big and sectional charcoal again piece adjust, appear to seam except) again.
Radiation and charcoal piece the deviation of flank line: Charcoal piece long 1500mm is the following, no matter big head or small head exceed the; when 10mm to charcoal piece length is more than or be equal to 1500mm, no matter when big head or small head exceed 15mm, all apply adjust charcoal piece is adjusted.
Fluctuation adds up to the position of a charcoal piece two layers not to get coincide. When the width size that combines a charcoal piece is less than the 1/4 of standard piece, can use the width that adds up to the door to control two to adjust (this is not in amount of carbon block for the adjustment) . The amount that blast tuyere belt combines a charcoal piece and blast tuyere number are equal.
Inside every annular layer, the amount of carbon block for the adjustment does not get 4 over. The charcoal that carbon block for the adjustment fastens finger beam dimension not to suffer blueprint to set restriction piece.
Every machine 3~5 layer after charcoal piece assembles an end beforehand, by manufacturer quality examination branch draw goes out beforehand assembly drawing, date of line out layer, serial number, control line, carbon block for the adjustment, add up to the model of written characters such as charcoal piece.
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