We will introduce the latest news and trends in the dry mix mortar industry.
Thermal Insulation Modified Expanded Perlite Dry Mixing Plant solution is mainly composed of chemical powder mixing system and thermal insulation perlite cement and sand mixing system; chemical additives powder mixing system is composed of raw material storage tanks, conveying systems, mixers, and dust removal systems. The thermal insulation perlite cement and sand mixing system is composed of conveying system (including air delivery device), automatic batching system, mixer, finished product silo, packaging machine, dust removal system, etc.
It is used for storage of bulk raw materials such as cement, fly ash or limestone powder. Cement and bulk fly ash are loaded by bulk tankers, and limestone powder is loaded by bucket elevators or bulk tanker.
Small storage tanks for small amounts additives of polymer powder, HPMC, PP fiber, wood lignin, etc. For small production line with low degree of automation, manual feeding can be selected.
The volume of the raw material storage tank is determined by the capacity of Thermal Insulation Modified Expanded Perlite Dry Mortar Mixer Machine and Dry Mixing Plant; the storage tank is usually installed vertically which is convenient for material transportation. In order to prevent the material from clogging, a assistant device to help the mateirals conveying is installed near the discharge port.
When the bulk tanker truck feeding mateirals into the storage tank, it will generate a high pressure in the storage tank. In order to prevent the storage tank from being damaged by the excessive pressure, a pressure reducing device and a dust removal device on the top of the tank are installed.
There are many ways to convey materials. In the production of inorganic thermal insulation expanded perlite mortar, we usually use screw conveyor, bucket elevator and pneumatic feeding. The volume of the raw material storage tank is large and it is generally placed outdoors. In order to ensure he material not affected by the outdoor environment during the transportation process(including wind and rain damage to the material), it is safer and more reliable to transport the material with a screw conveyor.
The screw conveyor is composed of auger shell, end side bearing, intermediate bearing, motor, and reducer. The screw conveyor has two modes that are horizontal conveying and inclined conveying. In order to ensure the accuracy of weighing and measurement, the inclined conveying method is generally adopted, that means the inlet of the screw conveyor is lower than the outlet. The motor power of the screw conveyor is calculated by the conveying capacity, inclination angle and screw length, and the conveying capacity is calculated by the screw inclination angle, material density, auger rotation speed, etc. Therefore, the correct choice of screw conveyor is very important for the stability of the entire system process. However, the screw conveyor has the disadvantages of material residue and difficult cleaning. In order to reduce the adverse effects of these shortcomings, we installed cleaning ports in the appropriate position of the screw conveyor.
Bucket elevators generally use belt type bucket elevators, models are: D160, D250, D350, D450, the lifting height ranges from 4 meters to 30 meters; the lifting capacity ranges from 3 cubic meters to 70 cubic meters per hour; The maximum diameter of granular materials can be 55mm.
Air feeding system, the air feeding is greatly reduce the crushing rate of the Expanded Perlite. The whole system can accurately and automatically measure different raw materials according to the formula, reducing labor intensity and environmental pollution, and ensuring the quality of thermal insulation dry mortar products.
It consists of a hopper weighing scale, a feeding screw conveyor, a discharging screw, a computer control system, and a small material small qty materials(micro) feeding device, after weighing and metering the raw materials are transported by screw conveyor to the weighing scale in order . Each raw material is transported in sequence according to the setting weight. After reach setted weight of material A, the weighing instrument directly controls the material A screw conveyor stop, and then start the screw conveyor of material B. After the weight of material B is reached, close the screw conveyor of material B and start the screw conveyor of material C, so that the sequential conveying ensures the accuracy of measurement. After the various raw materials for the producing expanded perlite thermal insulation mortar are weighed, all the raw materials are transported to the bucket elevator by the screw conveyor of weighing hopper, and the bucket elevator is started at the same time to send the raw materials to the premix hopper which located upon the mixer, till now the raw materials batching is completed.
The requirements of Thermal Insulation Modified Expanded Perlite Dry Mortar on the mixer:
High mixing uniformity: It can meet the uniform mixing of various chemical additives powders, especially HPMC and other small qty additives which weight is about 2kg.
Good dispersion ability for fiber: it can break up the fibers and make them evenly dispersed in the materials without agglomeration.
In the mixing process of chemical additive powder and expanded prelite, the mixer must keep minimum damage to the prelite granuel to maintain the original bulk density, pressure strength and volume water absorption for expanded perlite.
The traditional double-shaft blade mixer, coulter mixer or double cone mixer with small crushing effect, V-type mixer cannot meet the above three conditions at the same time. Therefore, Henan Ant Constructions adopted a two-steps mixing process, using a non gravity mixer or a coulter mixer equipped with high-speed flying knife to mix the chemical additives powder. At the same time, we developed a low crushing effect horizontal drum rolling mixer which is used for the second stage mixing of chemical additives powder and expanded perlite. The chemical additives powder mixed by the non-gravity mixer was transported to premix bin of the horizontal drum rolling mixer, premix with the light expanded perlite which transported by air system, and then discharged into the horizontal drum rolling mixer, step by step for continuous mixing and discharging. By matching the two sets of mixing machine according to certain parameters, continuous production and efficiency expansion can be realized, and more important is saved the best end expanded perlite dry mortar quality.
It is better to use a air flow type valve packing machine or an open-mouth bag packaging machine with stiching machine.
It is used to recover the dust in the dry mortar production line, which is beneficial to environmental protection. The pipeline is generally set up at the top of the cement silo, at the feeding port of the hoist, etc.
Various parameters can be set through the automatic control system to increase the productivity of the expanded perlite dry mortar mortar equipment and reduce labor intensity, and can be equipped with a PLC automatic control system to realize the full automatic operation of the entire production line.
Thermal Insulation Modified Expanded Perlite Dry Mortar Mixer Machine and Dry Mixing Plant produced by Ant Constructions can be equipped with a variety of solutions, it can be customized according to the actual situation of customers so as to realize the low-cost and high-yield production of Thermal Insulation Modified Expanded Perlite Dry Mortar