Acid Proof Castables Manufacturing

Acid proof castable is a refractory castable made of acid-resistant refractory raw material as aggregate and powder and water glass as binder. It has a good ability to resist the corrosive action of all inorganic acids and organic acids except hydrofluoric acid and hot phosphoric acid. Acid proof castables is mainly used as an anticorrosive liner with the maximum operating temperature of about 1200℃.

As the main variety of amorphous material acid castable in addition to the common characteristics can be used directly without firing, in many types of amorphous material production process is relatively simple, do not need special equipment, high degree of mechanization, construction is the most simple, high material utilization rate. In addition, it has a higher room temperature strength, can be made into prefabricated parts in the kiln rotary site installation, such as chimney lining casting. Acid proof castables is mainly used in metallurgical industry kilns, but also widely used in petroleum, chemical, building materials, electric power and machinery industry kilns and thermal equipment.

 

Acid proof castables
Acid proof castables

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    The main techniques of acid-resistant castable construction include:

    1. During construction, the mixing ratio of refractory castable shall not be changed arbitrarily, and water or other materials shall not be added into the stirred refractory castable arbitrarily;

    2. The formwork used for pouring shall have sufficient strength and stiffness, accurate supporting die size, and prevent deformation in the construction process;

    3. The joint of the formwork shall be tight without leakage of pulp, and anti-stick measures shall be taken for the formwork.

    4. Waterproof measures shall be taken on the insulating masonry surface in contact with the castable;

    5. This series of refractory castables shall be continuously poured. Before the coagulation of the front layer castables, the pouring of the second layer castables shall be completed. Construction joints should be left on the center line of the same row of anchoring bricks.

    6. Acid proof castables shall be maintained in accordance with the prescribed design method after construction, and shall not be subjected to external force or vibration during the maintenance.

    Acid resistant refractory castable can resist 800~1200℃ acidic medium (nitric acid, hydrochloric acid, sulfuric acid, acetic acid, etc.). It is mainly used for lining of anticorrosive flue and chimney, acid tank, acid wash tank, nitric acid concentration tower, acid recovery furnace and other containers corroed by acid high temperature gas. In metallurgy, chemical industry, petroleum, light industry and other departments of thermal equipment is widely used.

     

    Acid proof castables for sale
    Acid proof castables for sale

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      Our company is a processing, marketing all kinds of refractory castable (corundum castable, high aluminum castable, steel fiber castable). Our company has a standardized laboratory and a number of perfect analysis and testing instruments for regular finished product inspection, the main elements of the product, part of the trace elements for effective control, to ensure that the quality of products meet customer needs. We are committed to the production of high quality refractory materials, to provide customers with reliable products and wholeheartedly services.

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        Acid Proof Castable For Sale

        Acid proof castable is a new type of anticorrosive material, which is mainly composed of potassium silicate as the adhesive, inorganic molecular material as the curing agent and silicate as the acid-resistant filler. Acid proof castables has high mechanical strength and superior bonding performance, especially in the masonry of granite quick material, acid-resistant ceramic tile, porcelain plate and cement bonding greater than the parent.

         

        Acid proof castables
        Acid proof castables

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          Acid Proof Castables Advantage

          1. The acid proof castable has stable performance in various concentrations of organic and inorganic acids, especially in dilute acid, industrial water and neutral aqueous solution, which does not produce crystal salt and has high anti-permeability;

          2. Good heat resistance, lining in titanium dioxide rotary kiln, using temperature up to 950℃ — 1000℃;

          3. Acid proof castable material adopts non-toxic curing agent, which is non-toxic to operation and construction personnel. It can be used in anti-corrosion engineering of food and medical equipment after identification by medical and health departments.

          4. Compared with organic acid-resistant materials, acid-resistant castables are cheap. It except having the same performance of organic acid corrosion resistance, but also has the unique properties of strong oxidizing medium corrosion resistance;

          5. Curing at room temperature, simple construction, convenient use, easy transportation, moisture-proof storage.

          This series of refractory castable is made of sodium silicate as binder, and acid or alkali acid refractories as aggregate and powder, plus a small amount of coagulant. However, such castable is not resistant to corrosion by alkali, hot phosphoric acid, hydrofluoric acid and high fat. It is widely used in the thermal equipment of petroleum, metallurgy, chemical industry, light industry and other sectors.

           

          Acid proof castables for sale
          Acid proof castables for sale

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            Acid proof castables is mainly used as the lining of anti-corrosion flue and chimney, storage tank, pickling tank, pypyrite tower, acid recovery furnace and other containers corroded by acidic high-temperature gas. If you have any questions about other refractory castables, please feel free to contact us and we will be happy to answer your questions.

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