CN220771933U - High-temperature flue gas heat recovery system of submerged arc furnace - Google Patents
High-temperature flue gas heat recovery system of submerged arc furnace Download PDFInfo
- Publication number
- CN220771933U CN220771933U CN202322485763.7U CN202322485763U CN220771933U CN 220771933 U CN220771933 U CN 220771933U CN 202322485763 U CN202322485763 U CN 202322485763U CN 220771933 U CN220771933 U CN 220771933U
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- Prior art keywords
- fixedly connected
- flue gas
- heat recovery
- waste heat
- temperature flue
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000003546 flue gas Substances 0.000 title claims abstract description 55
- 238000011084 recovery Methods 0.000 title claims abstract description 36
- 239000002918 waste heat Substances 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 241000220317 Rosa Species 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 8
- 238000003723 Smelting Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a high-temperature flue gas heat recovery system of an ore-smelting furnace, which comprises a waste heat recoverer and a gas transmission pipe, wherein the left surface of the waste heat recoverer is fixedly connected with a gas inlet pipe, one end of the gas inlet pipe, which is far away from the waste heat recoverer, is fixedly connected with a filter box, the left surface of the filter box is fixedly connected with the gas transmission pipe, the inner wall of the filter box is fixedly connected with two positioning blocks, and impurities in the flue gas can be filtered out under the action of the active carbon filter plate after the high-temperature flue gas generated by the ore-smelting furnace enters the filter box, so that the filtered flue gas can be recycled in the waste heat recoverer, the impurities in the flue gas are prevented from entering the waste heat recoverer, the service life of the waste heat recoverer is prolonged, and after a motor and a fan blade are started, the fan blade can rotate and generate wind power, so that the filtered flue gas can quickly enter the waste heat recoverer, and the working efficiency of the waste heat recoverer is improved.
Description
Technical Field
The utility model relates to the technical field of submerged arc furnace flue gas recovery, in particular to a submerged arc furnace high-temperature flue gas heat recovery system.
Background
The submerged arc furnace is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent, solvent and the like, a large amount of high-temperature flue gas can be generated in the use process, and the waste heat recoverer is high-efficiency heat exchange energy-saving equipment which uses a heat pipe as a heat transfer element, can recover heat in the flue gas, and uses the recovered waste heat for heating water, preheating air, generating steam and the like.
In the prior art, if the flue gas directly enters the waste heat recoverer to recycle, a large amount of impurities are contained in the high-temperature flue gas generated by the submerged arc furnace, the impurities in the flue gas are easily attached to the inside of the waste heat recoverer, and if the flue gas is not cleaned, the impurities are attached to the inside of the waste heat recoverer for a long time, so that the service life of the waste heat recoverer can be influenced, and therefore, a submerged arc furnace high-temperature flue gas heat recovery system is required.
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a high-temperature flue gas heat recovery system of an ore-smelting furnace, which can filter out impurities in flue gas under the action of an active carbon filter plate after the high-temperature flue gas generated by the ore-smelting furnace enters a filter box, so that the filtered flue gas enters a waste heat recoverer again for recycling, the impurities in the flue gas are prevented from entering the waste heat recoverer, the service life of the waste heat recoverer is prolonged, and after a motor and a fan blade are started, the fan blade can be rotated and wind power is generated, so that the filtered flue gas can quickly enter the waste heat recoverer, and the working efficiency of the waste heat recoverer is improved.
The utility model also provides a high-temperature flue gas heat recovery system with the submerged arc furnace, which comprises a waste heat recoverer and a gas transmission pipe, wherein the left surface of the waste heat recoverer is fixedly connected with a gas inlet pipe, one end of the gas inlet pipe, which is far away from the waste heat recoverer, is fixedly connected with a filter box, the left surface of the filter box is fixedly connected with the gas transmission pipe, the inner wall of the filter box is fixedly connected with two positioning blocks, the inner surfaces of the two positioning blocks are movably connected with the same activated carbon filter plate, the filter box is provided with a slot, the inner surface of the slot is movably connected with a high-temperature-resistant sealing strip, and the front surface of the high-temperature-resistant sealing strip is fixedly connected with a box cover.
The inner wall of the air inlet pipe is fixedly connected with a plurality of connecting rods, the connecting rods are fixedly connected with a supporting plate, the side surface of the supporting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a first rotating shaft, and the outer surface of the first rotating shaft is fixedly connected with a plurality of fan blades.
Fixed knot constructs, fixed knot constructs including connecting block, slide bar, ejector pad, second pivot, upset pole and dead lever, the lower surface and the rose box fixed connection of connecting block, the side inner wall and the slide bar fixed connection of connecting block, the surface and the ejector pad sliding connection of slide bar, the side surface and the second pivot fixed connection of ejector pad, the surface and the upset pole rotation of second pivot are connected, the side surface and the dead lever fixed connection of upset pole.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the rear surface of the box cover is in contact with the filter box, and the rear surface of the box cover is in contact with the activated carbon filter plate, so that the box cover is propped against the activated carbon filter plate to prevent the activated carbon filter plate from shaking or shifting.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the motor is electrically connected with an external power supply, and the output end of the motor penetrates through the supporting plate.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the side surface of the pushing block is fixedly connected with a spring, one end of the spring, which is far away from the pushing block, is fixedly connected with the inner wall of the connecting block, and the fixing rod cannot be separated from the fixing block under the action of the spring.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the upper surface of the box cover is fixedly connected with a fixed block, and the inner surface of the fixed block is movably connected with a fixed rod, so that the activated carbon filter plate can be conveniently installed and detached.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the inner surface of the connecting block is in sliding connection with the pushing block, and the gas transmission pipe is communicated with the filter box.
According to the submerged arc furnace high-temperature flue gas heat recovery system, the filtering box is communicated with the air inlet pipe, and the number of the fixing structures is two and distributed up and down.
According to the submerged arc furnace high-temperature flue gas heat recovery system, supporting legs are fixedly connected to the lower surface of the filter box, the number of the supporting legs is four, the supporting legs are distributed in a rectangular array, and the filter box is supported.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is an overall structure diagram of a high-temperature flue gas heat recovery system of an submerged arc furnace according to the present utility model;
FIG. 2 is a schematic structural view of a filter box portion of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
FIG. 3 is a schematic structural view of a connection block portion of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
FIG. 4 is a schematic structural view of a cross-sectional portion of a connecting block of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
FIG. 5 is a schematic diagram of a cross-sectional portion of a filter box of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
FIG. 6 is a schematic diagram of the structure of the air pipe portion of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
FIG. 7 is a schematic diagram of the motor portion of the submerged arc furnace high temperature flue gas heat recovery system of the present utility model;
fig. 8 is a schematic structural view of a section part of a positioning block of the high-temperature flue gas heat recovery system of the submerged arc furnace.
Legend description:
1. a waste heat recoverer; 2. a gas pipe; 3. an air inlet pipe; 4. a filter box; 5. a slot; 6. high temperature resistant sealing strip; 7. a case cover; 8. a positioning block; 9. an activated carbon filter plate; 10. support legs; 11. a connecting rod; 12. a support plate; 13. a motor; 14. a first rotating shaft; 15. a fan blade; 16. a connecting block; 17. a slide bar; 18. a pushing block; 19. a second rotating shaft; 20. turning over the rod; 21. a fixed rod; 22. a fixed block; 23. a spring; 24. and (3) fixing the structure.
Description of the embodiments
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-8, the high-temperature flue gas heat recovery system of the submerged arc furnace according to the embodiment of the utility model comprises a waste heat recoverer 1 and a gas transmission pipe 2, wherein the left surface of the waste heat recoverer 1 is fixedly connected with a gas inlet pipe 3, one end of the gas inlet pipe 3, which is far away from the waste heat recoverer 1, is fixedly connected with a filter box 4, the left surface of the filter box 4 is fixedly connected with the gas transmission pipe 2, the gas transmission pipe 2 is communicated with the filter box 4, the filter box 4 is communicated with the gas inlet pipe 3, two positioning blocks 8 are fixedly connected on the inner wall of the filter box 4, the lower surface of the filter box 4 is fixedly connected with supporting legs 10, the number of the supporting legs 10 is four and distributed in a rectangular array, the inner surfaces of the two positioning blocks 8 are movably connected with the same activated carbon filter plate 9, a slot 5 is formed in the filter box 4, the inner surface of the slot 5 is movably connected with a high-temperature resistant sealing strip 6, the front surface of the high-temperature resistant sealing strip 6 is fixedly connected with a box cover 7, the rear surface of the box cover 7 is contacted with the filter box 4, and the rear surface of the box cover 7 is contacted with the activated carbon filter plate 9.
Fixedly connected with a plurality of connecting rods 11 on the inner wall of intake pipe 3, fixedly connected with backup pad 12 on the connecting rod 11, the side surface fixedly connected with motor 13 of backup pad 12, the output fixedly connected with first pivot 14 of motor 13, motor 13 and external power source electric connection, the output of motor 13 runs through backup pad 12, the surface fixedly connected with a plurality of flabellum 15 of first pivot 14.
The fixed knot constructs 24, the quantity of fixed knot constructs 24 is two and distributes from top to bottom, fixed knot constructs 24 include connecting block 16, slide bar 17, ejector pad 18, second pivot 19, tilting lever 20 and dead lever 21, the internal surface and the ejector pad 18 sliding connection of connecting block 16, the lower surface and the rose box 4 fixed connection of connecting block 16, the side inner wall and the slide bar 17 fixed connection of connecting block 16, the surface and the ejector pad 18 sliding connection of slide bar 17, the side surface and the second pivot 19 fixed connection of ejector pad 18, the side surface fixedly connected with spring 23 of ejector pad 18, the one end that the spring 23 kept away from ejector pad 18 and the inner wall fixed connection of connecting block 16, the surface and the tilting lever 20 rotation of second pivot 19 are connected, the side surface and the dead lever 21 fixed connection of tilting lever 20, the upper surface fixedly connected with dead lever 22 of case lid 7, the internal surface and the dead lever 21 swing joint of dead lever 22.
Working principle: when the high-temperature flue gas generated by the submerged arc furnace is conveyed into the filter box 4 through the gas conveying pipe 2, then the flue gas is filtered through the activated carbon filter plate 9 in the filter box 4, impurities in the flue gas are filtered, then the filtered flue gas is conveyed into the waste heat recoverer 1 through the gas inlet pipe 3, the waste heat recoverer 1 can convey the filtered flue gas into the waste heat boiler for recycling, the output end of the motor 13 drives the first rotating shaft 14 and the connecting block 16 to rotate through the starting motor 13, the rotating fan blades 15 generate wind power, the conveying speed of the flue gas is improved, the fixing rod 21 is separated from the fixing block 22 through pulling the turning rod 20, the fixation between the filter box 4 and the box cover 7 is released, the box cover 7 can be taken down, the activated carbon filter plate 9 in the filter box 4 can be cleaned or replaced, and when the submerged arc furnace is installed, turning over and pulling the turning rod 20 and the fixing rod 21 to enable the moving turning rod 20 to drive the push block 18 and the second rotating shaft 19 to move, enabling the moving push block 18 to slide on the slide bar 17, avoiding the deviation generated when the slide bar 17 moves, simultaneously enabling the moving push block 18 to squeeze the spring 23, enabling the spring 23 to be in a tight state, inserting the activated carbon filter plate 9 into the two positioning blocks 8, inserting the high-temperature resistant sealing strip 6 into the slot 5, enabling the box cover 7 to be in contact with the activated carbon filter plate 9, under the action of the high-temperature resistant sealing strip 6, improving the tightness of the filter box 4, avoiding cold air from entering the filter box 4, avoiding direct contact of cold air and high-temperature flue gas, avoiding influencing the heat exchange effect of the waste heat recoverer 1, reversely turning over the fixing rod 21, enabling the fixing rod 21 to correspond to the fixing block 22, inserting the fixing rod 21 into the fixing block 22, the pulling turnover rod 20 is loosened, the spring 23 is rebounded, the rebounded spring 23 generates a pulling force, the fixing rod 21 cannot be separated from the fixing block 22, and the fixing between the filter box 4 and the box cover 7 is completed.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. Hot stove high temperature flue gas heat recovery system in ore deposit, its characterized in that includes: the waste heat recovery device comprises a waste heat recovery device (1) and a gas transmission pipe (2), wherein an air inlet pipe (3) is fixedly connected to the left surface of the waste heat recovery device (1), a filter box (4) is fixedly connected to one end, away from the waste heat recovery device (1), of the air inlet pipe (3), the left surface of the filter box (4) is fixedly connected with the gas transmission pipe (2), two positioning blocks (8) are fixedly connected to the inner wall of the filter box (4), the inner surfaces of the two positioning blocks (8) are movably connected with the same active carbon filter plate (9), a slot (5) is formed in the filter box (4), a high-temperature-resistant sealing strip (6) is movably connected to the inner surface of the slot (5), and a box cover (7) is fixedly connected to the front surface of the high-temperature-resistant sealing strip (6); the air inlet pipe is characterized in that a plurality of connecting rods (11) are fixedly connected to the inner wall of the air inlet pipe (3), a supporting plate (12) is fixedly connected to the connecting rods (11), a motor (13) is fixedly connected to the side surface of the supporting plate (12), a first rotating shaft (14) is fixedly connected to the output end of the motor (13), and a plurality of fan blades (15) are fixedly connected to the outer surface of the first rotating shaft (14); fixed knot constructs (24), fixed knot constructs (24) including connecting block (16), slide bar (17), ejector pad (18), second pivot (19), upset pole (20) and dead lever (21), the lower surface and the rose box (4) fixed connection of connecting block (16), the side inner wall and the slide bar (17) fixed connection of connecting block (16), the surface and ejector pad (18) sliding connection of slide bar (17), the side surface and second pivot (19) fixed connection of ejector pad (18), the surface and upset pole (20) rotation connection of second pivot (19), the side surface and dead lever (21) fixed connection of upset pole (20).
2. The submerged arc furnace high temperature flue gas heat recovery system according to claim 1, wherein the rear surface of the tank cover (7) is in contact with the filter tank (4), and the rear surface of the tank cover (7) is in contact with the activated carbon filter plate (9).
3. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein the motor (13) is electrically connected with an external power supply, and an output end of the motor (13) penetrates through the supporting plate (12).
4. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein a spring (23) is fixedly connected to the side surface of the pushing block (18), and one end of the spring (23) away from the pushing block (18) is fixedly connected with the inner wall of the connecting block (16).
5. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein a fixed block (22) is fixedly connected to the upper surface of the tank cover (7), and the inner surface of the fixed block (22) is movably connected with a fixed rod (21).
6. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein the inner surface of the connecting block (16) is in sliding connection with the pushing block (18), and the gas pipe (2) is communicated with the filter box (4).
7. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein the filter box (4) is communicated with the air inlet pipe (3), and the number of the fixing structures (24) is two and distributed up and down.
8. The submerged arc furnace high-temperature flue gas heat recovery system according to claim 1, wherein the lower surface of the filtering box (4) is fixedly connected with supporting legs (10), and the number of the supporting legs (10) is four and distributed in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485763.7U CN220771933U (en) | 2023-09-13 | 2023-09-13 | High-temperature flue gas heat recovery system of submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322485763.7U CN220771933U (en) | 2023-09-13 | 2023-09-13 | High-temperature flue gas heat recovery system of submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220771933U true CN220771933U (en) | 2024-04-12 |
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ID=90600282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322485763.7U Active CN220771933U (en) | 2023-09-13 | 2023-09-13 | High-temperature flue gas heat recovery system of submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220771933U (en) |
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2023
- 2023-09-13 CN CN202322485763.7U patent/CN220771933U/en active Active
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