Sealing structure for rotary flue of smelting furnace

Abstract

The utility model discloses a smelting furnace rotary flue sealing structure which comprises a rotary flue body, an upper protective cover is installed on one side of the outer wall of a sealing connecting pipe in a sleeved mode, a positioning splicing block is fixedly connected to the edge of the outer wall of the upper protective cover, and a lower protective cover is installed on the other side of the outer wall of the sealing connecting pipe in a sleeved mode. And the edge of the outer wall of the lower protective cover is fixedly connected with a positioning splicing groove. According to the smelting furnace rotary flue sealing structure, spiral and flange double fixation can be conducted between the rotary flue body and the sealing connecting pipe through a first flange plate, a second fixing bolt, a second flange plate, a mounting threaded groove and a mounting threaded block, mounting is stable, and double-layer sealing treatment can be conducted through a sealing buckling block and a sealing buckling groove; the sealing effect is good, the metal spring pipe structure of the sealing connecting pipe can be adjusted in a telescopic mode, movement is stable, the sealing connecting pipe can be supported and wrapped through the upper protective cover, the lower protective cover and the protective cushion block, the protection effect is good, and damage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary flues of smelting furnaces, in particular to a sealing structure of rotary flues of smelting furnaces. Background Art

[0002] Pyrometallurgy is a metallurgical process that uses high temperature to extract metals or their compounds from ores. In pyrometallurgy, the high-temperature flue gas generated by the smelting furnace has its outlet connected to a smelting flue gas channel, namely the "flue structure", and when it needs to be rotated and installed, a sealing connection mechanism is required.

[0003] The existing equipment is always in a moving state during the furnace lifting process. It is a high-temperature dynamic sealing point with a high temperature of up to 1000 degrees Celsius. The seal is not tight and smoke is emitted, which has a great impact on environmental protection work. It has always troubled the workshop production environment and also affected the physical and mental health of on-site employees. In addition, the connection cannot be effectively protected, is easily damaged, and is inconvenient to use. Therefore, a smelting furnace rotating flue sealing structure is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a rotary flue sealing structure for a smelting furnace to solve the problem that the equipment mentioned in the above background technology is always in a moving state during the furnace lifting process, which belongs to a high-temperature dynamic sealing point. The high temperature can reach 1000 degrees Celsius. The sealing is not tight and smoke is emitted, which has a great impact on environmental protection work. It has always troubled the production environment of the workshop and also affected the physical and mental health of on-site employees. In addition, the connection cannot be effectively protected, is easily damaged, and is inconvenient to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary flue sealing structure of a smelting furnace, comprising a rotary flue main body, one end of the rotary flue main body is connected and installed with a sealing connection pipe, one end edge of the rotary flue main body is fixedly connected with a mounting thread block, one end of the mounting thread block is provided with a sealing buckle groove, both ends of the sealing connection pipe are provided with mounting thread grooves, and the mounting thread grooves are spirally sleeved and installed with the mounting thread blocks, the inner wall and edge of the mounting thread grooves are fixedly connected with sealing buckle blocks, and the sealing buckle blocks are inserted and installed with the sealing buckle grooves, and the outer wall of the rotary flue main body is fixedly connected with the sealing buckle blocks. A second flange is installed on the edge, a first flange is installed on the edge of the outer wall of the sealing connecting pipe, and second fixing bolts are installed on the first flange and the second flange, an upper protective cover is installed on one side of the outer wall of the sealing connecting pipe, and a positioning splicing block is fixedly connected to the edge of the outer wall of the upper protective cover, a lower protective cover is installed on the other side of the outer wall of the sealing connecting pipe, and a positioning splicing groove is fixedly connected to the edge of the outer wall of the lower protective cover, the first fixing bolts are inserted and installed on the positioning splicing groove and the positioning splicing block, and protective pads are installed on the inner walls of the upper and lower protective covers.

[0006] Preferably, the rotating flue main body is installed in a spirally spliced ​​connection with the sealing connecting pipe in an installation thread groove by means of an installation thread block, and the rotating flue main body is bolted and installed with the sealing connecting pipe on the first flange and the second flange by means of a second fixing bolt, and the second fixing bolt is distributed in a circular position on the first flange and the second flange.

[0007] Preferably, the rotating flue body is connected to the sealing connecting pipe in a sealing buckle groove by a sealing buckle block, and the sealing buckle block and the sealing buckle groove are distributed in a stepped double layer between the rotating flue body and the sealing connecting pipe, and the sealing buckle block is a ceramic fiber rope.

[0008] Preferably, the upper protective cover and the lower protective cover are supported and installed in a cover-fitting manner with the sealing connecting pipe through protective pads, and the protective pads are made of rubber.

[0009] Preferably, the upper protective cover is installed in a positioning splicing manner with the lower protective cover on the positioning splicing groove through a positioning splicing block, and the positioning splicing block is bolt-fixed to the positioning splicing groove through a first fixing bolt.

[0010] Preferably, the sealing connecting tube is a metal spring tube structure.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the rotary flue sealing structure of the smelting furnace can be doubly fixed by spiral and flange between the rotary flue body and the sealing connecting pipe through the first flange, the second fixing bolt, the second flange, the mounting thread groove and the mounting thread block, the installation is stable, and the double-layer sealing treatment can be performed through the sealing buckle block and the sealing buckle groove, the sealing effect is good, and the metal spring tube structure of the sealing connecting pipe can be telescopically adjusted, the movement is stable, and the upper protective cover, the lower protective cover and the protective pad can support and wrap the sealing connecting pipe, the protection effect is good, and avoid damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a front view of a sealing structure of a rotary flue of a smelting furnace according to the utility model;

[0013] Figure 2 This is a cross-sectional view of a sealing structure of a rotary flue of a smelting furnace according to the utility model;

[0014] Figure 3 The utility model is a kind of rotary flue sealing structure of smelting furnace Figure 1 Enlarged view of point A in the middle;

[0015] Figure 4 The utility model is a kind of rotary flue sealing structure of smelting furnace Figure 2 Enlarged view of point B in the middle;

[0016] Figure 5The utility model is a kind of rotary flue sealing structure of smelting furnace Figure 2 Enlarged view of center C.

[0017] In the figure: 1. rotating flue main body, 2. upper protective cover, 3. lower protective cover, 4. sealing connecting pipe, 5. first fixing bolt, 6. positioning splicing block, 7. positioning splicing groove, 8. protective pad, 9. first flange, 10. second fixing bolt, 11. second flange, 12. mounting threaded groove, 13. sealing buckle block, 14. sealing buckle groove, 15. mounting threaded block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides a technical solution: a sealing structure of a rotary flue of a smelting furnace, comprising a rotary flue main body 1, an upper protective cover 2, a lower protective cover 3, a sealing connecting pipe 4, a first fixing bolt 5, a positioning splicing block 6, a positioning splicing groove 7, a protective pad 8, a first flange 9, a second fixing bolt 10, a second flange 11, an installation threaded groove 12, a sealing buckle block 13, a sealing buckle groove 14 and an installation threaded block 15, one end of the rotary flue main body 1 is connected and installed with a sealing connecting pipe 4, the rotary flue main body 1 is connected and installed with the sealing connecting pipe 4 in a spiral splicing manner in the installation threaded groove 12 through the installation threaded block 15, and the rotary flue main body 1 is bolt-fixed and installed with the sealing connecting pipe 4 on the first flange 9 and the second flange 11 through the second fixing bolt 10, and the second fixing bolt 10 is distributed in an annular position on the first flange 9 and the second flange 11, so that the rotary flue main body 1 and the sealing connecting pipe 4 can be doubly fixed and installed, and the installation is stable.

[0020] The rotating flue main body 1 is connected to the sealing connecting tube 4 in the sealing buckle groove 14 by a sealing buckle block 13, and the sealing buckle block 13 and the sealing buckle groove 14 are distributed in a stepped double layer between the rotating flue main body 1 and the sealing connecting tube 4. The sealing buckle block 13 is a ceramic fiber rope, so that the rotating flue main body 1 and the sealing connecting tube 4 can be double-sealed, and the effect is good. The sealing connecting tube 4 is a metal spring tube structure, so that the sealing connecting tube 4 can be elastically telescopically adjusted, which is convenient for mobile use.

[0021] The edge of one end of the rotating flue body 1 is fixedly connected with a mounting thread block 15, and a sealing buckle groove 14 is opened at one end of the mounting thread block 15. The edges of both ends of the sealing connection pipe 4 are provided with mounting thread grooves 12, and the mounting thread groove 12 is spirally sleeved with the mounting thread block 15 for installation. The inner wall and edge of the mounting thread groove 12 are fixedly connected with a sealing buckle block 13, and the sealing buckle block 13 is inserted and installed with the sealing buckle groove 14. The outer wall edge of the rotating flue body 1 is sleeved with a second flange 11, and the outer wall edge of the sealing connection pipe 4 is sleeved A first flange 9 is installed together, and a second fixing bolt 10 is installed on the first flange 9 and the second flange 11. An upper protective cover 2 is installed on one side of the outer wall of the sealing connecting pipe 4, and a positioning splicing block 6 is fixedly connected to the edge of the outer wall of the upper protective cover 2. The upper protective cover 2 and the lower protective cover 3 are supported and installed with the sealing connecting pipe 4 through a protective pad 8, and the protective pad 8 is made of rubber, so that the upper protective cover 2, the lower protective cover 3 and the protective pad 8 cover the sealing connecting pipe 4 for protection to avoid damage.

[0022] The upper protective cover 2 is installed by positioning and splicing with the lower protective cover 3 on the positioning and splicing groove 7 through the positioning and splicing block 6, and the positioning and splicing block 6 is bolted and fixed with the positioning and splicing groove 7 through the first fixing bolt 5, so that the upper protective cover 2 and the lower protective cover 3 can be easily and quickly positioned and disassembled, and the sealing connecting pipe 4 can be maintained and replaced.

[0023] The lower protective cover 3 is sleeved and installed on the other side of the outer wall of the sealing connecting pipe 4, and the outer wall edge of the lower protective cover 3 is fixedly connected with a positioning splicing groove 7, and the first fixing bolt 5 is inserted and installed on the positioning splicing groove 7 and the positioning splicing block 6, and the inner walls of the upper protective cover 2 and the lower protective cover 3 are fitted with protective pads 8.

[0024] Working principle: When using the rotary flue sealing structure of the smelting furnace, first, the rotating flue main body 1 of the device is spirally spliced ​​and installed with the sealing connecting pipe 4 through the installation thread groove 12 and the installation thread block 15, and the stepped double-layer buckle sealing is performed through the sealing buckle block 13 and the sealing buckle groove 14, and then the second fixing bolt 10 is inserted into the first flange 9 and the second flange 11 to auxiliary bolt fix the rotating flue main body 1 and the sealing connecting pipe 4, and then the upper protective cover 2 and the lower protective cover 3 are covered on the outer wall of the sealing connecting pipe 4, and the upper protective cover 2 and the lower protective cover 3 are positioned and spliced ​​through the positioning splicing block 6 and the positioning splicing groove 7, and then fixed with the first fixing bolt 5 to form a cover protection structure, and when the smelting furnace is raised or lowered, it can be telescopically adjusted through the sealing connecting pipe 4. This is the use process of the rotary flue sealing structure of the smelting furnace.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rotary flue sealing structure for a smelting furnace, comprising a rotary flue main body (1), one end of the rotary flue main body (1) being connected to and installed with a sealing connecting pipe (4), characterized in that: The rotating flue main body (1) is fixedly connected to an edge of one end with a mounting thread block (15), and a sealing buckle groove (14) is provided at one end of the mounting thread block (15). The sealing connection pipe (4) is provided with mounting thread grooves (12) at both ends of the edge, and the mounting thread groove (12) and the mounting thread block (15) are screw-fitted and installed. The inner wall and edge of the mounting thread groove (12) are fixedly connected to a sealing buckle block (13), and the sealing buckle block (13) and the sealing buckle groove (14) are plug-fitted and installed. The outer wall edge of the rotating flue main body (1) is fitted with a second flange (11), and the outer wall edge of the sealing connection pipe (4) is fitted with a first flange The sealing connecting pipe (4) is provided with a plate (9), and a second fixing bolt (10) is installed on the first flange plate (9) and the second flange plate (11); an upper protective cover (2) is sleeved and installed on one side of the outer wall of the sealing connecting pipe (4), and a positioning splicing block (6) is fixedly connected to the outer wall edge of the upper protective cover (2); a lower protective cover (3) is sleeved and installed on the other side of the outer wall of the sealing connecting pipe (4), and a positioning splicing groove (7) is fixedly connected to the outer wall edge of the lower protective cover (3); a first fixing bolt (5) is inserted and installed on the positioning splicing groove (7) and the positioning splicing block (6); and a protective pad (8) is fitted and installed on the inner walls of the upper protective cover (2) and the lower protective cover (3).

2. A smelting furnace rotary flue sealing structure according to claim 1, characterized in that: The rotating flue main body (1) is installed in a spiral connection with the sealing connection pipe (4) in the installation thread groove (12) by means of an installation thread block (15), and the rotating flue main body (1) is bolt-fixed with the sealing connection pipe (4) on the first flange (9) and the second flange (11) by means of second fixing bolts (10), and the second fixing bolts (10) are distributed in an annular position on the first flange (9) and the second flange (11).

3. A smelting furnace rotary flue sealing structure according to claim 2, characterized in that: The rotating flue body (1) is connected to the sealing connection pipe (4) in a buckled and sealed manner in a sealing buckle groove (14) via a sealing buckle block (13), and the sealing buckle block (13) and the sealing buckle groove (14) are arranged in a stepped double layer between the rotating flue body (1) and the sealing connection pipe (4), and the sealing buckle block (13) is a ceramic fiber rope.

4. A smelting furnace rotary flue sealing structure according to claim 3, characterized in that: The upper protective cover (2) and the lower protective cover (3) are supported and installed in a cover-jointed manner with the sealing connecting pipe (4) via a protective cushion block (8), and the protective cushion block (8) is made of rubber.

5. A smelting furnace rotary flue sealing structure according to claim 4, characterized in that: The upper protective cover (2) is installed in a positioning splicing manner with the lower protective cover (3) on the positioning splicing groove (7) via a positioning splicing block (6), and the positioning splicing block (6) is bolt-fixedly installed with the positioning splicing groove (7) via a first fixing bolt (5).

6. A smelting furnace rotary flue sealing structure according to claim 5, characterized in that: The sealing connecting tube (4) is a metal spring tube structure.

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