52results about How to "Solve the problem of being easily sucked away" patented technology

The invention provides a green brick of a single fired glass ceramic composite board. The green brick comprises a green brick body layer, a ground coat layer and a glass ceramic frit layer from bottom to top, wherein a hydrophobic layer is also arranged between the green brick body layer and the ground coat layer; the glass ceramic frit layer is formed by applying a microcrystalline frit particle suspension prepared by mixing glass ceramic frit particles with a frit particle binder to the surface of the ground coat layer; the frit particle binder comprises the following components by mass fraction: 6.5-7.5% of nonionic polyurethane associative thickening agents, 3.2-4.4% of white carbon black, 1-1.5% of defoaming agent, 0.3-1.3% of dispersing agents and the balance of solvents. By using the green brick, the glass ceramic frit particles on the surface can not be drawn away by a draught fan in a preheating zone during firing, thus avoiding waste and reducing the defect rate of the glass ceramic composite board product.

The invention provides a preparation method of a single fired glass ceramic composite board. The preparation method comprises the following steps: A, green body punch forming; B, glazing and printing, wherein the glaze contains 3-5% of pyrophyllite by mass; C, spraying of a layer of glass ceramic frit suspension, and spraying a layer of glass ceramic frit suspension onto the surface of the green body in the step B, wherein the glass ceramic frit suspension is prepared by mixing glass ceramic frits with polyurethane binders and the polyurethane binders are prepared from the following components by mass fraction: 3.8-4.8% of nonionic polyurethane associative thickening agent, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agents and the balance of solvents; D, firing, namely feeding the green body into a kiln and firing at a temperature of 1150-1250 DEG C; and E, polishing and edging processing, thus obtaining the finished product of the glass ceramic composite board. The preparation method has the beneficial effects that the adverse effects of a preheating zone of the kiln on the adsorption effects of the glass ceramic frits can be avoided and the product yield can be increased.

The invention discloses a preparation method of a single-firing glass ceramic composite board. The preparation method comprises the following steps: A, punching and forming a green body; B, spraying a layer of glass ceramic frit suspension liquid: spraying a layer of glass ceramic frit suspension liquid on the surface of the green body obtained in the step A, wherein the glass ceramic frit suspension liquid is formed by blending a glass ceramic frit and a polyurethane binder, the polyurethane binder is prepared form the following materials in percentage by weight: 6.5-7.5% of a nonionic polyurethane associated thickener, 3.2-4.4% of white carbon black, 1-1.5% of a defoamer, 0.3-1.3% of a dispersing agent, and the balance of a solvent; C. firing: firing in a furnace with the firing temperature of 1200-1300 DEG C; D. polishing and grinding to obtain a finished product of the glass ceramic composite board. The method avoids the bad influences caused by a furnace preheating zone on the adsorption action of the glass ceramic frit, and improves the product yield.

The invention relates to a green brick of a monofired glass ceramic composite plate. The green brick comprises a green body layer and a glass ceramic frit layer from bottom to top, wherein the glass ceramic frit layer is formed in the way that a glass ceramic frit particle suspension liquid formed by mixing glass ceramic frit particles and a frit particle adhesive is applied to the surface of the green body layer; the frit particle adhesive comprises the following components by mass percent: 6.5-7.5 percent of a nonionic polyurethane associative thickener, 3.2-4.4 percent of silica, 1-1.5 percent of a defoamer, 0.3-1.3 percent of a dispersant and the balance of a solvent. The glass ceramic frit particles of the surface of the green brick structure are not taken away by a blower at a preheating zone during firing, so that waste is avoided and the defect rate of the glass ceramic composite plate product is reduced.

The invention discloses a preparation method of a one-step sintered glass-ceramic composite board. The preparation method comprises the following steps of A, carrying out impact molding on a green body; B, glazing and printing, namely after drying the green body obtained in the step A, cleaning the surface of the green body, spraying a ground coat, and printing in a way of inkjet printing, roller printing, silk screen printing or a combination of several selected from all the ways, wherein the ground coat contains 3-5% of pyrophyllite; C, applying glass-ceramic frits, namely spreading the glass-ceramic frits on the surface of the green body obtained in the step B, and spraying a layer of polyurethane fixing agent, wherein the polyurethane fixing agent is prepared from the following components in percentage by mass: 3.8-4.8% of nonionic polyurethane associative thickener, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agent and the balance of solvent; D, sintering, namely sintering in a kiln at the temperature of 1150-1250 DEG C; and E, polishing to obtain a finished product of the glass-ceramic composite board. By using the method, adverse effects caused by the adsorption effect of a preheating zone of the kiln to the glass-ceramic frits can be avoided, and the rate of finished products can be increased.

The invention provides a preparation method of a single fired glass ceramic composite board. The preparation method comprises the following steps: A, green body punch forming; B, spraying of a water repellent; C, glass ceramic frit applying: distributing and spreading the glass ceramic frits on the surface of a water repellent layer in the step B and spraying a layer of polyurethane fixing agents, wherein the polyurethane fixing agents are prepared from the following components by mass fraction: 6.5-7.5% of nonionic polyurethane associative thickening agent, 3.2-4.4% of white carbon black, 1-1.5% of defoaming agent, 0.3-1.3% of dispersing agents and the balance of solvents; D, firing, feeding the green body into a kiln and firing at a temperature of 1200-1300 DEG C; and E, polishing and grinding, thus obtaining the finished product of the glass ceramic composite board. The preparation method has the beneficial effects that the adverse effects of a preheating zone of the kiln on the adsorption effects of the glass ceramic frits can be avoided and the product yield can be increased; the effects of the fixing agents on the green body strength can be avoided by using the water repellent in the scheme.

The invention discloses a preparation method of a one-step sintered glass-ceramic composite board. The preparation method comprises the following steps of A, carrying out impact molding on a green body; B, spraying a hydrophobic agent; C, applying glass-ceramic frits, namely spreading the glass-ceramic frits on the surface of the hydrophobic agent obtained in the step B, and spraying a layer of polyurethane fixing agent, wherein the polyurethane fixing agent is prepared from the following components in percentage by mass: 3.8-4.8% of nonionic polyurethane associative thickener, 1.8-2.4% of attapulgite clay, 0.6-1% of defoaming agent, 0.6-1.6% of dispersing agent and the balance of solvent; D, sintering, namely sintering in a kiln at the temperature of 1150-1250 DEG C; and E, polishing to obtain a finished product of the glass-ceramic composite board. By using the method, adverse effects caused by the adsorption effect of a preheating zone of the kiln to the glass-ceramic frits can be avoided, and the rate of finished products can be increased; and the hydrophobic agent is used in the scheme, so that the affect of the fixing agent to the strength of the green body can be avoided.