用煤渣内燃烧砖,首先必须测出煤渣的热值,以便确定砖坯内煤渣的掺加量。下面介绍一个测定煤渣热值的简易方法。取有代表性的煤渣试样0.5公斤左右,置于小锅内炒烘或放在轮窑保温带或冷却带火眼处,在105±5℃烘干至恒重。然后敲细通过0.15毫米或0.20毫米筛孔的筛子。再装入样品瓶内。并贴上注有试样编号、来源及日期的标签。准确称取烘干的煤渣试样粉末0.5～1克,置于磁坩埚内,放在装有铁架的泥三角上,用喷灯(煤油、汽油或酒精喷灯均可)灼烧1～1.5 With the cinder combustion bricks, first of all, the calorific value of the cinder must be measured in order to determine the amount of coal cinder in the brick. Here’s an easy way to determine the calorific value of the cinder. Take a representative sample of about 0.5 kilograms of coal cinder, place it in a small pan and bake it, or place it on the kiln heat preservation zone or the fire zone of the cooling zone, and dry it to a constant weight at 105±5°C. It is then tapped through a 0.15 mm or 0.20 mm sieve. Refill into the vial. And attach a label with the sample number, source and date. Accurately weigh 0.5 to 1g of baked cinder sample powder, place it in a magnetic file, place it on a mud triangle with a metal frame, and use a torch (kerosene, gasoline, or alcohol torch) to burn 1 to 1.5