Aerated concrete production line process description

1. Raw materials for raw materials storage and feeding of aerated concrete blocks are transported into the plant by automobiles. Fly ash (or sand, stone powder) is concentrated in the raw materials field, and transported into hoppers when used. Bagged cement or bulk cement is stored in a cement warehouse. When used, transport into the hopper. Chemicals, aluminum powder, etc. are placed in the chemical and aluminum powder warehouses, respectively, and shipped to the production workshop when used.
2. Aerated concrete block raw material handling fly ash (or sand, stone powder) is sent to the ball mill through electromagnetic vibrating feeders and belt conveyors.
The pulverized fly ash (or sand, stone powder) is sent to a slurry tank for storage using a fly ash pump. Lime is fed into the jaw crusher for breaking by the electromagnetic vibrating feeder and the belt conveyor. The broken lime is sent to the lime silo through the bucket elevator and then sent to the ball mill through the screw conveyor. The material after grinding is passed through the lime. Spiral conveyors and bucket elevators are fed into the powder dosing chamber. After a certain proportion of the chemical has been manually measured, a certain concentration of solution is prepared and sent to the storage tank for storage. Aluminum powder is transported from the aluminum powder warehouse to the production workshop, and the electric hoist is used to lift the second floor of the batching building and pour into the mixer to quantitatively add water and stir into aluminum powder suspension.
3, aerating block ingredients, mixing, pouring lime, cement from the powder material batching warehouse under the screw conveyor to the automatic measurement scale cumulative measurement, the screw conveyor under the scale can be evenly added to the material into the pouring mixer. Fly ash (or sand, stone powder) and waste slurry are metered into the measuring cylinder,
After the metering of various materials is in place, the slurry can be stirred. The slurry should meet the process requirements (about 45°C) before pouring. If the temperature is not enough, steam can be heated in the slurry metering tank. The aluminum powder suspension is added 0.5 to 1 minute before the material is poured.
4. After the initial filling and cutting of the aerated block, the mold is pushed into the initial raising room with the conveyor chain and the initial coagulation is performed. The room temperature is 50-70°C, and the initial raising time is
1.5-2 hours (according to geographical advantages, this process may be dispensed with), after the initial raising, the frame and the blank are suspended together with a negative pressure spreader onto a cutting table where the bottom plate of the cooking vessel is placed in advance. Take off the box. The cutting machine cuts, slits, and mills the bread with the blank body. The mold frame is lifted back to the mold carrier for manual cleaning and degreasing. The mold is then hung on the mold car for the next pouring and the finished blank is cut. The body with the floor of the kettle is lifted on the top of the kettle by a crane and put on two levels. There are four supports between the floors. Several carriages are grouped together. The scraps of the blanks generated during cutting are sent to the waste pulp mixing machine next to the cutting machine by a screw conveyor, and water is added to make a waste slurry, which is used when ingredients are to be used.
5. After autoclaving of the aerated block and finished product blank are completed in the pre-bottle parking line, open the autoclave kettle door that is to be discharged from the autoclave, and then use the winch to pull out the finished auto car in the autoclave, and then prepare to autoclave. The car was pulled into an autoclave using a winch for maintenance. The manufactured goods on the tanker are lifted to the finished product warehouse by a bridge crane, then transported to the finished product yard with a forklift truck, and the empty tank truck and the bottom plate of the tank are returned to the carriage return line. After cleaning, the code rack is pulled back by a winch. At the next cycle.
The aerated concrete block produced by the aerated concrete equipment has the advantages of light bulk density, high thermal insulation performance, good sound absorption effect, certain strength and processability, etc., and rich production raw materials, especially using fly ash as raw material, ie Comprehensive use of industrial waste residue, treatment of environmental pollution, no damage to cultivated land, but also can create good social and economic benefits, is a wall material that replaces the traditional solid clay brick phase, over the years by the national wall reform policy, tax policy and With vigorous environmental protection policies, aerated concrete products have become new building materials.

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