Manufacturing method of iron drying filter
A manufacturing method and filter technology, applied in chemical instruments and methods, separation methods, refrigerators, etc., can solve the problems of high copper and aluminum prices, high production costs of refrigeration equipment, etc., to suppress production costs and improve smoothness. , the effect of reducing energy consumption
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Embodiment 1
[0039] Embodiment 1: as Image 6 Shown, concrete steps of the present invention are as follows:
[0040] (1), first select the SPCE cold-rolled steel strip, thickness 0.5mm, C<0.08%, Mn<0.4%, P<0.03%, S<0.03%, Si<0.03%, the width is the same as the circumference of the dry filter cylinder Steel strips of equal length are welded by high frequency into steel pipes;
[0041] Such as figure 1 Shown:
[0042] (2), then the steel pipe manufactured in step (1) is cut to length according to the model of the dry filter, and the burrs are removed at the cut steel pipe two ends;
[0043] (3), then step (2) handles blank 11 and does inner and outer surface treatment:
[0044] a. Put the billet into the alkali tank for 20 minutes at a temperature of 80°C,
[0045] b. Shake and wash in tap water for 20 seconds,
[0046] c. Put the billet into the acid tank and shake it six times, and leave it for 60 minutes.
[0047] d. Then shake and wash in the tap water tank for 20 seconds,
[00...
Embodiment 2
[0065] Embodiment 2: as Image 6 Shown, concrete steps of the present invention are as follows:
[0066](1), first select the SPCE cold-rolled steel strip, thickness 0.5mm, C<0.08%, Mn<0.4%, P<0.03%, S<0.03%, Si<0.03%, the width is the same as the circumference of the dry filter cylinder Steel strips of equal length are welded by high frequency into steel pipes;
[0067] Such as figure 1 Shown:
[0068] (2), then the steel pipe manufactured in step (1) is cut to length according to the model of the dry filter, and the burrs are removed at the cut steel pipe two ends;
[0069] (3), then step (2) handles blank 11 and does inner and outer surface treatment:
[0070] a. Put the billet into the alkali tank for 40 minutes at a temperature of 70°C,
[0071] b. Shake and wash in tap water for 10 seconds,
[0072] c. Put the billet into the acid tank and shake it six times, and leave it for 40 minutes.
[0073] d. Then shake and wash in the tap water for 10 seconds,
[0074] e....
Embodiment 3
[0091] Embodiment 3: as Image 6 Shown, concrete steps of the present invention are as follows:
[0092] (1), first select the SPCE cold-rolled steel strip, thickness 0.5mm, C<0.08%, Mn<0.4%, P<0.03%, S<0.03%, Si<0.03%, the width is the same as the circumference of the dry filter cylinder Steel strips of equal length are welded by high frequency into steel pipes;
[0093] Such as figure 1 Shown:
[0094] (2), then the steel pipe manufactured in step (1) is cut to length according to the model of the dry filter, and the burrs are removed at the cut steel pipe two ends;
[0095] (3), then step (2) handles blank 11 and does inner and outer surface treatment:
[0096] a. Put the billet into the alkali tank for 60 minutes at a temperature of 90°C,
[0097] b. Shake and wash in tap water for 80 seconds,
[0098] c. Put the billet into the acid tank and shake it six times, and leave it for 80 minutes.
[0099] d. Then shake and wash in the tap water for 10 seconds,
[0100] e...
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