SU1290047A1 - Device for sealing clearance between rotary furnace and stationary chamber - Google Patents

Abstract

The invention relates to a technique for sealing the gap between a rotary kiln and a fixed chamber and can be used in the chemical industry. The purpose of the invention is to increase the reliability of compaction and simplify the design of the device. For this, a sealing ring assembled from the wedge blocks 4 and 5 is mounted on the contact ring I between the flanges of the fixed chamber, rigidly interconnected. Blocks 4 and 5 of the sealing ring are coupled along the planes of their bevels 9 with alternating installation of the blocks with imaginary tops in and out of the sealing ring. The mating planes of the sealing ring blocks can be made in a Z-shaped form and according to the thorn-groove principle. When the furnace body 2 rotates, the blocks 4, 5 of the sealing ring slide along the contact ring 1 of the furnace body. At the same time, the cable 15 of the cargo tensioning device presses the blocks 4, 5 of the sealing ring in the radial direction, and the blocks under the action of radial forces slide along the planes of the coupling of the blocks to the center of the sealing ring, creating the possibility of constant compensation of the production of the sealing ring without disturbing the tightness of the seal . 2 з, п. Ф-лы, 5 Il. A-A (L 75 to; about 4

Description

The invention relates to a technique for sealing the gap between a rotary kiln and a fixed chamber and can be used in the chemical and other sectors of the industry, where heat treatment of the material in rotary kilns is carried out.

The purpose of the invention is to increase the reliability of compaction and simplify its design.

FIG. Figure 1 shows a device for processing the planes of contact from the sealing of the gap between the rotating flanges 6 and 7 of all the sleeves 13, as well as the furnace and the fixed chamber, the longitudinal blocks 4 and 5.

incision; in fig. 2 is a section A-A in FIG. 1; Interface planes of blocks 4 and 5

in fig. 3 - diagram of the cargo tension o-ring 3 may be points; in fig. 4 and 5 - section BB on FIG. 2, (variants of conjugation of planes

The forces generated by the load tensioning device 14 slide along their mating planes towards the center of the sealing ring 3. Thus, it is possible to permanently compensate for the production of the sealing ring 3 without disturbing the sealing. In addition, it is possible to set minimum gaps between flanges 6 and 7 and blocks 4 and 5 due to the simultaneous

O-ring blocks when performing their Z-shaped and on the principle of "thorn-groove)

The device for sealing the gap between the rotary kiln and the fixed chamber contains a contact ring 1 rigidly fixed on the furnace body 2. The sealing ring 3, assembled from the wedge blocks 4 and 5, is mounted on the contact ring 1 between the flanges 6 and 7 of the fixed chamber 8, rigidly interconnected. Blocks 4 and 5 of the sealing ring are conjugated along the planes of their bevels 9, the sequence of installation of the blocks by imaginary ring tops.

The mating planes of the sealing ring blocks can be made Z-shaped and according to the ten-pin principle.

The fastening elements 10, 11 and 12 with the sleeve 13 connect the sealing ring to the fixed chamber 8.

The tensioner 14 with a cable 15 is designed to crimp the sealing ring in the radial direction.

The device for sealing the gap between the rotary kiln and the fixed chamber works as follows.

When the furnace body rotates, the blocks 4 and 5 of the sealing ring 3 slide along the contact ring 1 of the furnace body. At the same time, the cable 15 of the cargo tensioning device 14 compresses the blocks 4 and 5 of the sealing ring 3 in the radial direction, which are coupled along the planes of their bevels. The sequence of installation of the blocks with imaginary versions is made in a Z-shaped form or according to the “thorn-groove” principle.

In this case, the accuracy requirements for the mating surfaces of blocks 4 and 5 are reduced.

To eliminate the possibility of slipping blocks 4 and 5 of the sealing ring 3 relative to the cable 15, the cable is attached to one of the blocks at point B.

The proposed seal design improves its reliability and is easy to perform.

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Claims (3)

1. Device for sealing the gap between the rotary kiln and the fixed chamber, containing a contact ring rigidly fixed to the furnace body, an o-ring assembled from wedge blocks mounted on the contact ring, fastening elements of the sealing ring to the fixed chamber, and a tensioner for compression sealing ring in the radial direction, characterized in that, in order to increase the reliability of the seal and simplify its design, the blocks of the sealing ring are connected along a plane M of their bevels, a series of installation of blocks with imaginary tops in and out of the sealing ring. 2. The device according to claim 1, characterized in that the mating planes of the sealing ring units are Z-shaped. 3. The device according to claim 1, characterized in that the planes, the mating blocks up and down inside and out of the sealing ring JQ of the tangent ring are made according to the prince, blocks 4 and 5 under the action of radial trench-groove. The forces generated by the load tensioning device 14 slide along their mating planes towards the center of the sealing ring 3. Thus, it is possible to permanently compensate for the production of the sealing ring 3 without disturbing the sealing. In addition, it is possible to set minimum gaps between flanges 6 and 7 and blocks 4 and 5 due to the simultaneous O-ring 3 can be Filled with a Z-shaped or on the principle of "thorn-groove. In this case, the accuracy requirements for the mating surfaces of blocks 4 and 5 are reduced. To eliminate the possibility of slipping of blocks 4 and 5 of the sealing ring 3 relative to the cable 15, the cable is attached to one of the blocks at point B. The proposed seal design improves its reliability and is easy to perform. 0 five 0 five Invention Formula 1. A device for sealing the gap between the rotary kiln and the fixed chamber, comprising a contact ring rigidly fixed on the furnace body, seal. a support ring assembled from wedge blocks mounted on a contact ring, fastening elements of the sealing ring to the fixed chamber and a load tensioning device for crimping the sealing ring in the radial direction, characterized in that, in order to increase the reliability of the seal and simplify its design, the sealing blocks the rings are connected along the planes of their bevels, a series of installation of blocks with imaginary tops in and out of the sealing ring. 2. The device according to claim 1, characterized in that the mating planes of the sealing ring units are Z-shaped. 3. The device according to claim 1, characterized in that the plane mating blocks up1 Yu P 12 / 6-6 ///// ttt fi.Z fs / e Compiled by S. Prkova Editor T. MiteikoTehred I. VeresKorrektor L. Pilipenko Order 7886/33 Circulation 544 Subscription VNIIPI USSR State Committee for Inventions and Discoveries 113035, Moscow, Zh-35, Raushsk nab. 4/5 Production and printing company, Uzhgorod, ul. Project, 4 fie.V