AAC Block Manufacturing Assembling Line

AAC Block Manufacturing Assembling Line is a new type of building material production line of light porous silicate products made by taking siliceous materials (sand, fly ash and silicon containing tailings, etc.) and calcareous materials (lime, cement) as the main raw materials, adding aerating agent (aluminum powder) and through the process of batching, mixing, pouring, pre curing, cutting, autoclave and maintenance.

What is a filling block

Aerated block is a kind of porous concrete, which is a light and porous new building material. The aerated block produced by aerated block equipment has the advantages of light bulk weight, high thermal insulation efficiency, good sound absorption and processability. It can be made into wall blocks, thermal insulation blocks, pressure plates, floors, wallboards and thermal insulation pipes, At present, aerated concrete in aerated block production line has been widely used in load-bearing or non load-bearing structures and pipe insulation in industrial and civil buildings in China, and has become an important part of new building materials.

AAC block manufacturing assembling line process aerated block

1. Raw materials for the storage and supply of aerated concrete blocks are transported into the plant by truck. Fly ash (or sand and stone powder) is concentrated in the raw material yard and transported into the hopper when in use. Bagged cement or bulk cement shall be stored in the cement warehouse. Use the shipping hopper when in use. Chemicals, aluminum powder, etc. are placed in the chemical warehouse and aluminum powder warehouse respectively, and transported to the production workshop when in use.

2. The treated fly ash (or sand, stone powder) of raw materials of aerated concrete blocks is sent to the ball mill through electromagnetic vibration feeder and belt conveyor, and the ground fly ash (or sand, stone powder) is sent to the slurry tank for storage by fly ash pump.

The lime is sent to the jaw crusher for crushing through the electromagnetic vibration feeder and belt conveyor. The crushed lime is sent to the lime storage bin through the bucket elevator, and then sent to the ball mill through the screw conveyor. The ground materials are sent to the powder batching bin through the screw conveyor and bucket elevator.

The chemicals are manually measured in a certain proportion to make a solution with a certain concentration and sent to the storage tank for storage.

The aluminum powder is transported from the aluminum powder warehouse to the production workshop, lifted to the second floor of the batching building with an electric hoist, poured into the mixer, added water quantitatively, and stirred into aluminum powder suspension.

3. The aerated block proportioning, mixing, pouring lime and cement are successively sent to the automatic measuring scale for cumulative measurement by the screw conveyor under the powder proportioning bin. There is a screw conveyor under the scale, which can evenly add the materials into the pouring mixer.

Fly ash (or sand, stone powder) and waste slurry are put into the metering cylinder for metering. When the mold is in place after metering of various materials, the slurry can be mixed. The slurry shall meet the process requirements (about 45 ℃) before pouring. If the temperature is not enough, it can be heated by steam in the slurry metering tank, and aluminum powder suspension can be added 0.5 ~ 1 minute before pouring.

4. After the primary curing and cutting and pouring of aerated block, the mold is pushed into the primary curing chamber with conveying chain for gas generation and initial setting. The room temperature is 50 ~ 70 ℃, and the initial curing time is 1.5-2 hours (this process can be avoided according to the favorable geographical conditions). After the initial curing, the mold frame and blank are hoisted to the cutting table with the pre placed bottom plate with negative pressure spreader - remove the mold frame - the cutting machine is used to cut the blank horizontally, longitudinally After milling the head, the mold frame is lifted back to the mold carrier for manual cleaning and degreasing, and then lifted to the mold carrier to form the mold for the next pouring. The cut blank and the kettle bottom plate are lifted to the kettle carrier with a crown block and stacked for two layers. There are four supports between the layers, and several kettle carriers are grouped into a group.

The waste materials generated during cutting are sent to the waste slurry stirring loop machine next to the cutting machine through the screw conveyor, and the waste slurry is made by adding water, which is used for batching.

5. After the autoclave of the aerated block and the finished body are grouped on the parking line in front of the autoclave, open the autoclave door to be out of the autoclave, first pull out the finished autoclave car in the autoclave with the winch, and then pull the autoclave car ready for autoclave into the autoclave with the winch for maintenance. The finished products on the kettle car are hoisted to the finished product warehouse by bridge crane, and then transported to the finished product storage yard by fork truck. The empty kettle car and kettle bottom plate are hoisted back to the return line. After cleaning, the winch is used to pull back to the yard frame for the next cycle.

Main production equipment of AAC block manufacturing assembling line

1. ⑴ raw materials such as quicklime and gypsum crusher can only enter the next process. (2) powder mill: the materials of aerated concrete must be ground before they can react better. Ball mill is mainly used for grinding. There are two kinds of ball mills: dry mill and wet mill, which can be selected according to needs.

2. Raw material metering equipment raw material metering generally adopts microcomputer controlled automatic metering system.

3. Material mixing and pouring equipment material mixing and pouring equipment is mainly a mixer, which is both a mixing equipment and a slurry pouring equipment.

4. Cutting machine aerated concrete forms green body after pouring aerated concrete. Due to the large volume of the green body, cutting must be carried out in order to achieve the required product size.

5. Autoclave is an equipment for hydration reaction of silicate products to obtain physical and mechanical properties. Its operation and use in the production of aerated concrete is an important content related to safe production and energy utilization.

6. The boiler mainly provides heat energy for autoclave, pre curing kiln and other heat facilities.

7. Auxiliary equipment

(1) mold frame, bottom plate and mold car cooperate to form the pouring mold, which is the main molding equipment of aerated concrete.

(2) steam curing vehicle, ferry vehicle, spreader and other auxiliary equipment are the maintenance and repair of aerated block production line that must be equipped for steam curing system.

1. The mixer shall be installed stably or firmly in the place where the mortar can be used shall be confirmed to be qualified by the construction management department, and the installation certificate must be hung on the place where the mortar can be used. The mortar must be used firmly before the installation certificate is issued.

2. The temporary construction electricity shall be protected and connected to neutral, equipped with leakage protector and three-level distribution two pole protection. Generally, the mixer rotates in one direction for mixing. Therefore, when connecting the power supply, pay attention to the direction of the arrow on the mixing drum.

3. Before startup, check whether the insulation and grounding of electrical equipment are good (if protective grounding is adopted), and whether the protective cover of belt pulley is complete.

4. After start-up, the mixing operation can be carried out while adding water after idling and checking that the rotation direction of the mixing blade is correct.

5. When mixing mortar, mixing machine is not allowed to use foot or shovel, wooden rod to dial down, scrape and mix the cylinder mouth, tools can not collide with stirring leaves, and even when rotating, the tools are put into the hopper and grout. No one is allowed to stand under the hopper of the mixer. When the bucket is lifted and stopped, the safety hook must be hung.

6. During the operation, it is not allowed to stretch hands or wooden sticks into the mixing drum or clean the ash paddle at the mouth of the drum.

7. In case of failure and failure in operation, cut off the power supply, pour out the mortar in the cylinder, and repair and eliminate the failure.

8. After operation, clean and maintain the inside and outside of the mortar mixer and the site, cut off the power supply and lock the box door.

The main selling point of AAC block manufacturing assembling line is that the aerated block has high pressure resistance during production, which is the main selling point of our aerated block equipment for non fired brick machine heavy industry, because even if the quality of the aerated block equipment production line is good, but the production process is not good, and the produced aerated brick is unqualified, then the best aerated concrete equipment is just a cloud, Therefore, the aerated concrete equipment of non fired brick machine heavy industry needs to have both. While ensuring the quality of aerated concrete equipment, it is also necessary to ensure that the finished products produced are of good quality and the yield will not be high.

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