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Transportation of refractory materials and refractory products
All refractory materials and refractory products must have factory certificates that meet the design technical conditions. One month before furnace construction, copy the factory test reports of all refractory materials and submit them to the metallurgical furnace major of the design institute or the working group of the design institute on the construction site. Before the product leaves the factory, it should be accompanied by a quality certificate, indicating the product name, brand, inspection results, and factory list (brick number, quantity, factory date, and train number). The shipment and use of refractory materials without product certificates are strictly prohibited.
The means of transporting refractory materials and refractory products (trains, cars, ships, etc.) must be cleaned before shipment and must not be contaminated by oil or other impurities. Refractory materials must be protected from rain and snow during transportation to prevent rain and rainwater from entering.
Various clay bricks, high alumina bricks, lightweight bricks, and lightweight standard bricks should be packed in containers or other solid packaging before transportation; standard clay bricks and ordinary clay bricks can be wrapped with straw ropes before transportation. During transportation, care should be taken to avoid damaging the edges and corners of various refractory products.
When loading, unloading, and stacking various types of refractory materials, they must be handled with care and placed tightly to avoid collision damage. Products of different varieties and brick numbers should be marked and must not be confused. It is strictly prohibited to throw, roll, pile, and other operations and management of various types of refractory products.
For products with positive and negative tolerances, the tolerance ratio should be reflected in the order contract and delivered according to the proportion required by the design. At the same time, the products should be packaged separately according to the proportions required by the design, and the positive and negative tolerance values should be marked on the outer surface of the packaging box.
Aluminum silicate refractory fiber products are packaged and transported in cartons with plastic bags inside and the product name, material, and specifications on the outer carton.
Bulk refractory materials such as refractory mud, ash, castables, etc. should be packed and transported in woven bags or thick paper bags lined with thick plastic bags. The name, brand, specification, and production date of the material should be marked on the outside of the packaging bag. The signs are clear and bulk transportation is strictly prohibited.
Warranty of refractory materials and refractory products
After entering the site, various types of refractory materials and refractory products should be stacked according to different varieties, models, and tolerances, and obvious signs should be inserted.
Warehouses where refractory materials and refractory products are stacked should be cleaned, and sand, lime, cement, clay, coal, grease, and other debris should not be stacked. There must be no leakage of rain or snow in the warehouse, and no immersion of groundwater or surface water.
Standard, ordinary bricks, special-shaped bricks, lightweight bricks, refractory fiber products, asbestos products; refractory mud, ash, castables, and other powdery materials must be stacked in the warehouse according to brand, grade, brick number, and masonry order. If warehouse space is limited, standard clay bricks can be stacked in an open field but must have a canvas or temporary roof to cover rain and snow.
Refractory materials and refractory products should be carefully visually inspected before being transported to the warehouse. When necessary, review the physical and chemical indicators with relevant personnel. Unqualified refractory materials and refractory products should be stacked in a special warehouse after being counted, and relevant refractory material manufacturers should be contacted promptly to make up for it as soon as possible.
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