TH2971A - Cement composite material making process - Google Patents

Abstract

The process for producing glass fiber reinforced cement composites on a Hatscheck machine involves making a slurry in diluted water of glass fiber cement, fine fuel ash, amorphous silica, and cellulose fibers. Glass fibers are mixed in after the other components, and flocculant is added while the slurry is fed into the hopper. Coagulation of the glass fiber cement, fine fuel ash, amorphous silica, and cellulose fibers occurs on a rotating porous cylindrical sieve in the hopper while the slurry is stirred near the quark of the immersed sieve. The slurry temperature is controlled to be between 20°C and 25°C, and the sheet is transferred from the sieve to forming rollers, where the desired material thickness is achieved by continuously overlapping the layers of the sheet. This multi-layered material is then removed from the forming rollers for shaping.

Claims (11)

1. The process of making glass fiber reinforced cementitious materials involves a slurry preparation step in diluted water. Containing 6-10% solids by weight. It consists of cement, fiberglass, fuel ash, and silica. configuration Finely ground powder and cellulose pulp. By the method in which fiberglass is mixed into the slurry. After the initial mixing of the other solid components with water. The incorporation of substances that cause flocculation in slurry water. Diluted type While being fed into a hopper with a rotating cylindrical sieve. And only partially immersed in the liquid. Adhesion of cement, fiberglass, and fuel ash membranes. Amorphous silica and cellulose membrane on a rotating sieve. The material is passed through a flat plate from a section of the screen that is immersed in the sieve. Hurry up and stop the little one from falling. Increased thickness of material is achieved by layering it. The finished sheet is formed on the roller. And the sieve of this multi-layered material exits the roller type in order to... Conditioning Which is characterized by the slurry stirring process in the area. The part of the tank closest to the first quarantin of the immersion screen when... Consider its relationship to the direction of rotation. While the friction plates are adhering to each other. And controlling the temperature of the slurry that is fed into the tank. In order to maintain the slurry's temperature between... 20-25 degrees Celsius during sheet formation. 2. The process under claim number 1. It is characterized by the formation of concentrated slurry in the water. The first upload consists of: Cement, fuel ash, amorphous silica, and pulp. Cellulose with a high solids content. 40-60% by weight in the glass is mixed into the concentrated slurry. Folded lamination Then the concentrated slurry is diluted with water to make slurry. Rinse in diluted water. 3. The process under claim number 2. This demonstrates how fiberglass is mixed into the slurry using... Mixer This provides vertical and rotational rotation of the slurry. In order to fold the fiberglass into the slurry. 4. The process under claim 1, which demonstrates the following characteristics: Lerry in the water It is initially made in a diluted state and after initial mixing. Fiberglass is mixed into the slurry using a mixer. It consists of a ring-shaped chamber. Which receives slurry through the contact entry point. The inner walls of this room are lower than the outer walls. The mixer is also present. The outlet is cone-shaped and tapers downwards. It is aligned with the central axis of the ring chamber, which receives the slurry flowing above it. The top of the inner wall. Fiber optic cables are imported through an open inlet channel located above the outlet channel. Cone shape So that the fiberglass falls into the slurry. And it gets mixed with the slurry as the slurry flows down through the channel. The conical exit is spiral-shaped. 5. The process according to one of the above claims. A unique characteristic is that the slurry is mixed in the quark area. The first stage of the dipping screen is achieved by means of a series of parallel blades. Similar Which is positioned vertically, perpendicular to the axis of the sieve. They were spaced apart by the width of the tank, as if going backward. It comes with the core of the grate. 6. The process according to one of the above claims. A unique characteristic is that the slurry's temperature is controlled by... Measure the temperature of the water in the reservoir, which is the water source. To be used as an additive in slurries. Then, it heats or cools the water in the reservoir. 7. Procedures under Claim No. 6. It is characterized by the fact that the water is heated by the water jets that are injected. Go into the reservoir. Or, it is cooled by circulating water from a reservoir. Go to the external cooling sump. 8. The process according to one of the above claims. It is characterized by the fact that the amorphous silica powder is finely ground. The silica has evaporated. 9. The process according to one of the above claims, which has... The characteristic feature of fiberglass. It consists of alkaline-resistant fiberglass tubes containing at least ZrO2. The maximum 6 moles% (At least approximately 12% by weight) 10. The process under claim number 9 has unique characteristics. that The fiberglass fragments are distributed into each individual fiber in the slurry. 11. Cement-based materials with the following specific characteristics: This will be done through the process specified in one of the above claims. plant (11 claims, 2 pages, 2 images)