New Chemical Kiln Head Sealing Device

2023-06-08

As the accessory equipment of Rotary kiln, single drum cooler and dryer, Rotary kiln seal is widely used in cement, building materials, metallurgy, mining, petroleum, chemical industry, municipal engineering and other industries. It is mainly used to seal the inlet and outlet gaps of Rotary kiln, single drum cooler and dryer to prevent air leakage, air inlet and ash leakage.

The seals of Rotary kiln are roughly classified as follows

1. Classification by usage location: kiln head seal (inlet seal), kiln tail seal (outlet seal);

2. Classified by sealing method: guiding type sealing, sealing type sealing; For example, a fish scale seal belongs to a guiding type seal, while a graphite block seal cylinder seal belongs to a sealed type seal.

3. Classified by sealing direction: axial sealing, radial sealing; If the fish scale seal belongs to axial sealing, the cylinder type seal belongs to radial sealing.

4. Classified by sealing form: fish scale seal, graphite block seal, cylinder seal, labyrinth seal, baffle seal;

Fish scale sealing can be divided into single layer, double layer, and three-layer sealing forms, with different naming methods from different manufacturers. For example, composite sealing, double flexible sealing, flexible sealing, multi-layer sealing, etc. all belong to fish scale sealing. Langfang Yina Seals Co., Ltd. is a production unit that produces and sells a variety of Rotary kiln seals and lime kiln seals. Since the establishment of the factory, we have developed sealing materials such as special rubber sealing series, graphite sealing series, PTFE sealing series, high and low temperature resistance, high pressure resistance, acid and alkali corrosion resistance metal spiral wound gaskets, and fire-resistant building materials. Widely used in various fields such as dry, petroleum, electromechanical, chemical, cement, pharmaceuticals, etc., it is highly dependent on users.

The new chemical kiln head sealing device has undergone on-site supervision and testing by the Building Materials and Machinery Product Quality Supervision and Testing Center of the Building Materials Bureau and the Environmental Protection Bureau. Its technical performance, quality reliability, qualitative operation, and environmental protection functionality have been affirmed. It is an energy-saving and environmental protection technology product actively advocated and promoted by the Building Materials and Environmental Protection Bureau. The sealing device of the chemical kiln is a flexible structure, which uses a special high temperature resistant and abrasion resistant semi flexible new composite material (carbon silicon nickel composite plate), which includes heat-resistant steel fish scale, carbon silicon nickel composite plate, and ordinary steel plate fish scale. The flexible sealing structure, which is composed of the combination of the flexible sealing structure, can be deformed with the movement of the Rotary kiln as a whole, so as to adapt to the deflection and eccentricity of the Rotary kiln body caused by the deformation of the kiln body under high temperature use. One end of it is fixed on the kiln head cover or kiln tail smoke chamber, and the other end is seamlessly covered on a specially designed friction sleeve, achieving seamless sealing and ensuring no air leakage. The arrangement of the ash hopper ensures that the material can be poured out under the abnormal production of the Rotary kiln, and the material can be discharged through the channel. The outlet pipe of the ash hopper is connected to the equipment under the tower or treated in a centralized way according to the site conditions, so that the preheated raw materials will not leak out of the equipment and pollute the environment and operators. Due to the fact that all the sealing materials used in the flexible sealing device are made of high-temperature resistant materials and special heat treatment processes, they can still maintain good mechanical properties even at a kiln head temperature of 1000 ℃~1200 ℃, thereby ensuring the sealing effect and service life. Thoroughly solve the problem of air and ash leakage between rotating and fixed components, and increase the temperature of the tertiary air at the kiln head to ensure a normal thermal working environment. Chemical kiln seals can be widely used in titanium dioxide reduction kilns, nickel reduction kilns, ball lock Rotary kiln, lime kilns, cement Rotary kiln, and various Rotary kiln.