磷化工藝的配套設(shè)備
計(jì)算磷化槽的體積
根據(jù)工件的重量和面積計(jì)算磷化槽的體積，控制合理的產(chǎn)品面積和磷化液體積的比例，避免因?yàn)榱谆粩嗟墓ぷ鳟a(chǎn)生大量的二價(jià)鐵離子，導(dǎo)致磷化液發(fā)黑，按常規(guī)來講磷化槽體的單位體積的負(fù)荷量是3-15平方米每個(gè)立方，不可以超過258平方米每個(gè)立方，否則因?yàn)椴垡贺?fù)荷過大，磷化液里的重要成分消耗過快，促使磷化液不穩(wěn)定，難于調(diào)整。
磷化槽的制造
磷化槽一般分為圓形槽和方形槽兩大類，前面一種適合大批量的生產(chǎn)，后面這種適合與間歇式的生產(chǎn)。磷化槽所用的材質(zhì)必須要能承受磷化液的腐蝕和耐高溫，必須要有足夠的強(qiáng)度能承受磷化液的載荷永遠(yuǎn)不變形。磷化槽*好要用4-8毫米的厚度的鋼板，錳系磷化液溫度比較高，一般在95度左右，溶液酸度高，選用不銹鋼的，采用塑料槽的時(shí)候，要用8-14毫米的塑料板為好，有些磷化槽用水泥槽，里面放塑料板或者玻璃鋼防腐蝕，這種磷化槽制作成本低，可以制造大型的磷化槽。
船型的磷化槽帶有錐斗，便于收集磷化渣。錐斗可以排放在磷化槽的底部，也能在局部放置，底部應(yīng)該設(shè)計(jì)成噴管，使磷化渣按照要求流到錐斗里面。
方形磷化槽底向排渣口傾斜，其傾斜坡度是4-8，在磷化槽傾斜的*低的地方應(yīng)該設(shè)置排水管。
磷化槽體的體積一般是泵輸出量的3-5倍。
Phosphating process of form a complete set of equipment
calculation of phosphating tank volume
According to the weight and area of the workpiece phosphating tank volume calculation, control and reasonable product area and the proportion of the phosphating liquid product, avoid because of phosphating work continuously produce large amounts of bivalent iron ion, lead to black phosphating liquid, according to the conventional phosphating tank of the solutions of load per unit volume is 3-15 square metre per cubic, can not be more than 258 square meters each cubic, or bath because the load is too large, important component in phosphating liquid consumption too fast, prompted the phosphating liquid is unstable, difficult to adjust.
phosphating tank manufacturing
Phosphating tank generally divided into two types: circular tank and the rectangular slot, in front of a suitable for mass production, the latter is suitable for the production and batch. Material must be used in the phosphating slot can withstand the corrosion of phosphating liquid and high temperature resistant, must have sufficient strength to withstand a load of phosphating liquid never deformation. Phosphating tank best with 4 to 8 mm thickness of steel plate, manganese phosphating liquid temperature is higher, generally around 95 degrees, solution acidity, selects the stainless steel, plastic tank, with 8 to 14 mm plastic board as well, some phosphating tank with the cement tank, inside put a plastic or glass fiber reinforced plastic anti-corrosion, the phosphating tank production costs low, can produce large phosphating slot.
Ship form phosphating slot with cone bucket, facilitate collection phosphating residue. Cone bucket can discharge in the phosphating slot at the bottom, also can be in local place, should be designed at the bottom of the nozzle, the phosphate slag flow in accordance with the requirements to the cone bucket.
Square phosphating tank bottom to the slag discharge mouth tilt, the slope gradient is 4 to 8, in the phosphating slot sloped drain pipe should be assigned to the lowest place.
Phosphating tank volume of general solutions for 3 to 5 times the pump output. |
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