CN212253682U - Spiral water-cooling protection device for submerged arc furnace - Google Patents
Spiral water-cooling protection device for submerged arc furnace Download PDFInfo
- Publication number
- CN212253682U CN212253682U CN202020824744.6U CN202020824744U CN212253682U CN 212253682 U CN212253682 U CN 212253682U CN 202020824744 U CN202020824744 U CN 202020824744U CN 212253682 U CN212253682 U CN 212253682U
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- Prior art keywords
- water
- barrel
- cooling
- wall
- flue gas
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- 238000001816 cooling Methods 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 109
- 239000003546 flue gas Substances 0.000 claims abstract description 56
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 53
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 13
- 239000000779 smoke Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 abstract description 31
- 230000000694 effects Effects 0.000 abstract description 13
- 238000003723 Smelting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 229910000616 Ferromanganese Inorganic materials 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- 229910001145 Ferrotungsten Inorganic materials 0.000 description 1
- 229910000720 Silicomanganese Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
A spiral water-cooling protection device for a submerged arc furnace comprises a barrel, wherein a water-cooling barrel is sleeved in the barrel, a spiral flue gas guide plate is arranged between the inner wall of the barrel and the outer wall of the water-cooling barrel, an ash collecting device and a flue gas inlet are arranged at the bottom of the barrel, a flue gas outlet is arranged at the top of the barrel, at least one water inlet and one water outlet are arranged on the water-cooling barrel, and a water-cooling protection piece is arranged on the outer wall of the barrel and used for reducing the temperature of the outer wall; the utility model discloses simple structure, the design science, the flue gas is got into from the barrel bottom, is discharged from the barrel top, and the flue gas is through complete water-cooling section of thick bamboo, and the barrel outer wall also sets up water-cooling protection piece simultaneously, and the cooling effect of flue gas is better, and water-cooling protection piece effectively reduces the temperature of barrel outer wall, has improved the security; and the dust in the flue gas can not be present at the flue gas outlet, and the discharged flue gas does not contain dust.
Description
Technical Field
The utility model relates to a water cooling plant especially relates to a spiral water-cooling protection device for submerged arc furnace.
Background
The ore-smelting furnace is also called electric arc furnace or resistance electric furnace, and is mainly used for reduction smelting of ore, carbonaceous reducing agent and solvent. It is mainly used for producing ferroalloys such as ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and the like, and is important industrial equipment in the metallurgical industry.
The waste gas generated in the smelting process of the totally-enclosed submerged arc furnace is mainly smelting smoke, the CO content in the smoke is more than 60 percent, and the calorific value is higher, so the furnace gas is called as submerged arc furnace gas. Because the tapping temperature of the submerged arc furnace gas is high and the dust content is high, in order to reasonably utilize energy and reduce the generation of secondary pollution, the submerged arc furnace gas is usually recovered and purified by cooling and dedusting methods. Therefore, a mechanical cooler needs to be arranged in front of the dust removal system for cooling the submerged arc furnace gas, so that the cooled submerged arc furnace gas enters the dust removal system for dust removal, otherwise, a filter bag in the dust removal system is burnt, and even a shell or a steel structure of the dust remover is burnt, so that a dangerous accident occurs.
Nowadays, many devices have the function of cooling and collection dirt simultaneously, for example application number CN201820349168.7 "the spiral air inlet water cooling plant who is used for retrieving the hot stove coal gas in purification ore deposit", its flue gas deflector spiral welding barrel inner wall, flue gas entry and flue gas export set up in barrel top both sides, in this utility model, the flue gas is most directly from flue gas entry to exhanst gas outlet, can not pass through complete water-cooling section of thick bamboo, lead to the cooling effect not good, and exhanst gas outlet often has tiny dust to pass through, and higher at the barrel temperature, the staff touches easily by the scald.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the spiral water-cooling protection device for the submerged arc furnace overcomes the defects of the prior art, has good cooling effect, discharges smoke without dust, and has low temperature of the outer wall of the cylinder body.
The utility model provides a technical scheme that its technical problem adopted is: a spiral water-cooling protection device for a submerged arc furnace comprises a barrel, wherein a water-cooling barrel is sleeved in the barrel, a spiral flue gas guide plate is arranged between the inner wall of the barrel and the outer wall of the water-cooling barrel, an ash collecting device and a flue gas inlet are arranged at the bottom of the barrel, a flue gas outlet is arranged at the top of the barrel, at least one water inlet and one water outlet are arranged on the water-cooling barrel, and a water-cooling protection piece is arranged on the outer wall of the barrel and used for reducing the temperature of the outer wall; the utility model discloses the flue gas gets into from the barrel bottom, discharges from the barrel top, and the flue gas can be complete through whole water-cooling section of thick bamboo, and the dust in the flue gas also can't up-move through the flue gas deflector, can only fall in the ash collecting device of barrel bottom at last.
Furthermore, the water-cooling protection piece is composed of two water guide pipes which are in a double-spiral structure and are wound on the outer wall of the cylinder body, the inlets and the outlets of the two water guide pipes are oppositely arranged, and the water flow directions of the two water guide pipes are from top to bottom; the water-cooling protection piece is wrapped on the outer wall of the cylinder body, so that the temperature of the outer wall of the cylinder body can be effectively reduced, and the cooling effect of the water guide pipe with the double-spiral structure is superior to that of a single-spiral structure of one water guide pipe; because the length of a single water guide pipe of the double-spiral structure is short, the time for cold water to pass through the whole barrel is shorter and the temperature is lower under the condition that other factors are the same.
Furthermore, the smoke outlet is provided with a filter screen which can effectively prevent dust from entering the smoke outlet, thereby further ensuring that the discharged smoke does not contain dust.
Further, the filter screen level sets up between barrel inner wall and water-cooling section of thick bamboo outer wall, and the flue gas is from the top down through the filter screen, so, in the dust device can finally drop to the deposition by filterable dust.
Furthermore, the number of the water inlets on the water cooling cylinder is two, the cylinder wall of the water cooling cylinder is composed of two cold water guide pipes in a double-spiral structure, the cooling effect of the cold water guide pipes in the double-spiral structure is better, if the cold water guide pipes are in a single-spiral structure with only one pipe, two unit lengths are needed to wrap the outer wall of the water cooling cylinder fully, then under the condition of the double-spiral structure, the two unit lengths are needed to wrap the outer wall of the water cooling cylinder fully by the cold water guide pipes, meanwhile, the flow speed of water flow is also the same, the time for the cold water to completely flow through the water cooling cylinder is two units, and the latter is one unit, so the cooling effect of the cold water guide pipes in.
Further, the water-cooling cylinder is of a hollow cylinder structure, the top of the water-cooling cylinder is open, and a cooling device can be arranged in a hollow area inside the water-cooling cylinder, for example, the middle of the water-cooling cylinder is filled with water or air-cooled.
Furthermore, the two water inlets are oppositely arranged at the top of the water cooling cylinder, the water outlet is arranged at the bottom of the water cooling cylinder, and the top of the water cooling cylinder is provided with the water inlet which has lower temperature relative to the bottom, so that the temperature of the discharged flue gas is lower, and the cooling effect is better than that of the lower inlet and the upper outlet; the two water inlets are oppositely arranged, so that the cold water guide pipe can conveniently form a double-spiral structure.
Further, the ash collecting device comprises an ash collecting hopper and an ash discharging opening, the ash discharging opening is arranged in the center of the ash collecting hopper, the ash collecting hopper and the barrel are integrally formed, the ash discharging opening is arranged conventionally, and the ash discharging opening is also provided with an ash discharging cover or a valve.
Further, a cylinder cover is detachably arranged at the top of the cylinder body, and the water cooling cylinder is fixedly connected with the cylinder cover.
The utility model has the advantages that: the utility model discloses simple structure, the design science, the flue gas is got into from the barrel bottom, is discharged from the barrel top, and the flue gas is through complete water-cooling section of thick bamboo, and the barrel outer wall also sets up water-cooling protection piece simultaneously, and the cooling effect of flue gas is better, and water-cooling protection piece effectively reduces the temperature of barrel outer wall, has improved the security; and the dust in the flue gas can not be present at the flue gas outlet, and the discharged flue gas does not contain dust.
The utility model discloses be provided with the filter screen at exhanst gas outlet for dust in the filtration flue gas, the filter screen level sets up, and the flue gas is kept apart the dust in the filter screen below through the filter screen from bottom to top, finally, and the dust can fall in the ash collecting device because of gravity.
Drawings
Fig. 1 is a schematic plan view of the present invention;
FIG. 2 is a schematic perspective view of the water cooling cartridge of the present invention;
in the figure: 1-cylinder, 11-flue gas inlet, 12-flue gas outlet, 13-cylinder cover, 2-water cooling cylinder, 21-water inlet, 22-water outlet, 23-cold water guide pipe, 3-flue gas guide plate, 4-ash collecting device, 41-ash collecting bucket, 42-ash discharging port, 5-water cooling protecting piece and 6-filter screen.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-2, the spiral water-cooling protection device for submerged arc furnace of this embodiment, including barrel 1, barrel 1 endotheca is equipped with a water-cooling section of thick bamboo 2, be equipped with spiral flue gas deflector 3 between barrel 1 inner wall and a water-cooling section of thick bamboo 2 outer wall, barrel 1 bottom is equipped with collection ash device 4 and flue gas entry 11, barrel 1 top is equipped with exhanst gas outlet 12, exhanst gas outlet 12 department is equipped with filter screen 6, filter screen 6 level sets up between barrel 1 inner wall and a water-cooling section of thick bamboo 2 outer wall, flue gas entry 11 in the figure is the horizontally, flue gas entry 11 preferred slope down, prevent that the pipe body cohesion of flue gas entry 11 from gathering the ash, flue gas entry 11 level is extreme position, if slope up, must gather the dust in the pipeline.
The outer wall of the barrel body 1 is provided with a water-cooling protection piece 5, the water-cooling protection piece 5 is used for reducing the temperature of the outer wall of the barrel body 1, the water-cooling protection piece 5 is two water guide pipes which are in a double-spiral structure and are wound on the outer wall of the barrel body, the inlets and the outlets of the two water guide pipes are oppositely arranged, and the water flow directions of the two water guide pipes are from; the water-cooling protection piece 5 is wrapped on the outer wall of the cylinder body, so that the temperature of the outer wall of the cylinder body 1 can be effectively reduced, and the cooling effect of the water guide pipe with the double-spiral structure is superior to that of a single-spiral structure of one water guide pipe; because the length of a single water guide pipe of the double-spiral structure is short, the time for cold water to pass through the whole barrel is shorter and the temperature is lower under the condition that other factors are the same.
The water cooling cylinder 2 is provided with at least one water inlet 21 and at least one water outlet 22, the number of the water inlets 21 on the water cooling cylinder 2 is two, the cylinder wall of the water cooling cylinder 2 is composed of two cold water guide pipes 23 in a double-spiral structure, the water cooling cylinder 2 is in a hollow cylinder structure, and the top of the water cooling cylinder 2 is provided with an opening; the two water inlets 21 are oppositely arranged at the top of the water cooling cylinder 2, and the water outlet 22 is arranged at the bottom of the water cooling cylinder 2; in the figure, the number of the water outlets 22 is one, the number of the water outlets 22 can be the same as that of the cold water guide pipes 23, but the control is troublesome, the number of the water outlets 22 is preferably one, the tail ends of the cold water guide pipes 23 are arranged at the bottom of the water cooling cylinder 2, and then one water outlet 22 is arranged at the bottom of the water cooling cylinder 2.
The ash collecting device 4 comprises an ash collecting bucket 41 and an ash discharging port 42, the ash discharging port 42 is arranged in the center of the ash collecting bucket 41, and the ash collecting bucket 41 and the barrel 1 are integrally formed; the top of the barrel body 1 is detachably provided with a barrel cover 13, the water cooling barrel 2 is fixedly connected with the barrel cover 13, and the barrel cover 13 is covered on the barrel body 1, can be detachably connected through a hasp, can also be connected through a bolt and the like; in fig. 2, the smoke guide plate 3 and the filter screen 6 are not shown, the smoke guide plate 3 is arranged between the cylinder body 1 and the water cooling cylinder 2, and can be fixed with the inner wall of the cylinder body 1 or the outer wall of the water cooling cylinder 2, and for convenience of disassembly, the smoke guide plate 3 is preferably fixed with only one of the cylinder body 1 and the water cooling cylinder 2; the filter screen 6 is preferably detachably connected, the filter screen 6 with a proper size is clamped between the cylinder body 1 and the water cooling cylinder 2, and the filter screen 6 can be replaced or detached quickly for cleaning.
The utility model discloses a theory of operation and application method: the flue gas of the utility model enters from the bottom of the cylinder body 1 and is discharged from the top of the cylinder body 1, the flue gas can completely pass through the whole water cooling cylinder 2, the dust in the flue gas can not move upwards through the flue gas guide plate 3, and finally the flue gas can only fall into the dust collecting device 4 at the bottom of the cylinder body 1; the filter screen 6 can effectively prevent dust from entering the smoke outlet 12, further ensuring that the discharged smoke does not contain dust, and the smoke passes through the filter screen 6 from bottom to top, so that the filtered dust can finally fall into the dust deposition device.
The cooling effect of the cold water guide pipe 23 with the double-spiral structure is better, if the cold water guide pipe 23 is of a single-spiral structure with only one pipe, and the outer wall of the water cooling cylinder 2 is fully wound with two pipes with one unit length, under the condition of the double-spiral structure, the flow rate of water flow is the same, the time for the cold water to completely flow through the water cooling cylinder 2 is two units, and the time for the cold water to completely flow through the water cooling cylinder 2 is one unit, so the cooling effect of the cold water guide pipe 23 with the double-spiral structure is better; the top of the water cooling cylinder 2 is provided with a water inlet 21, the temperature is lower relative to the bottom, so that the temperature of the discharged flue gas is lower, the cooling effect is better than the condition of bottom-in and top-out, and the cooling effect is also optimal when the water flow is opposite to the flow direction of the flue gas from top to bottom; the two water inlets 21 are oppositely arranged, so that the cold water guide pipe 23 can form a double-spiral structure conveniently.
The utility model discloses the flue gas gets into the top from 1 bottom of barrel, with 2 contact cooling of water-cooling section of thick bamboo, then through filter screen 6, finally discharge from exhanst gas outlet 12, heavier dust in the flue gas can be in discharge flue gas entry 11, directly drop in collection grey device 4, lighter dust can follow the flue gas and get into in the passageway that flue gas deflector 3 formed, at flue gas deflector 3's in-process, because the existence of resistance, kinetic energy reduces gradually, there is partial dust to drop, roll along flue gas deflector 3 and fall to collection grey device 4 in, lightest dust is then by filter screen 6 separation, finally still can drop to in the collection grey device 4.
The utility model discloses a cover 13 can be dismantled, and a intercommunication water-cooling section of thick bamboo 2 is together, conveniently changes the part, washs or maintains.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (9)
1. The utility model provides a spiral water-cooling protection device for submerged arc furnace, includes barrel (1), and barrel (1) endotheca is equipped with a water-cooling section of thick bamboo (2), is equipped with spiral flue gas deflector (3) between barrel (1) inner wall and a water-cooling section of thick bamboo (2) outer wall, its characterized in that: barrel (1) bottom is equipped with collection ash device (4) and flue gas entry (11), and barrel (1) top is equipped with exhanst gas outlet (12), be equipped with at least one water inlet (21) and delivery port (22) on water-cooling section of thick bamboo (2), barrel (1) outer wall is equipped with water-cooling protection piece (5), and water-cooling protection piece (5) are used for reducing the temperature of barrel (1) outer wall.
2. The spiral water-cooling protection device for the submerged arc furnace according to claim 1, characterized in that: the water-cooling protection piece (5) is composed of two water guide pipes which are of double-spiral structures and are wound on the outer wall of the barrel body (1), the inlets and the outlets of the two water guide pipes are arranged oppositely, and the water flow directions of the two water guide pipes are from top to bottom.
3. The spiral water-cooling protection device for the submerged arc furnace according to claim 1, characterized in that: and a filter screen (6) is arranged at the smoke outlet (12).
4. The spiral water-cooling protection device for the submerged arc furnace according to claim 3, characterized in that: the filter screen (6) is horizontally arranged between the inner wall of the barrel body (1) and the outer wall of the water cooling barrel (2).
5. The spiral water-cooling protection device for the submerged arc furnace according to claim 1, characterized in that: the number of the water inlet (21) on the water cooling cylinder (2) is two, and the cylinder wall of the water cooling cylinder (2) is formed by two cold water guide pipes (23) in a double-spiral structure.
6. The spiral water-cooling protection device for the submerged arc furnace according to claim 5, characterized in that: the water cooling cylinder (2) is of a hollow cylinder structure, and the top of the water cooling cylinder (2) is open.
7. The spiral water-cooling protection device for the submerged arc furnace according to claim 6, characterized in that: the two water inlets (21) are oppositely arranged at the top of the water cooling cylinder (2), and the water outlet (22) is arranged at the bottom of the water cooling cylinder (2).
8. The spiral water-cooling protection device for the submerged arc furnace according to claim 1, characterized in that: the ash collecting device (4) comprises an ash collecting hopper (41) and an ash discharging opening (42), wherein the ash discharging opening (42) is arranged in the center of the ash collecting hopper (41), and the ash collecting hopper (41) and the barrel body (1) are integrally formed.
9. The spiral water-cooling protection device for the submerged arc furnace according to claim 1, characterized in that: the top of the barrel body (1) is detachably provided with a barrel cover (13), and the water cooling barrel (2) is fixedly connected with the barrel cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020824744.6U CN212253682U (en) | 2020-05-18 | 2020-05-18 | Spiral water-cooling protection device for submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020824744.6U CN212253682U (en) | 2020-05-18 | 2020-05-18 | Spiral water-cooling protection device for submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212253682U true CN212253682U (en) | 2020-12-29 |
Family
ID=74000846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020824744.6U Expired - Fee Related CN212253682U (en) | 2020-05-18 | 2020-05-18 | Spiral water-cooling protection device for submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212253682U (en) |
-
2020
- 2020-05-18 CN CN202020824744.6U patent/CN212253682U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |