CN215217222U - Water-cooling smoke hood and converter flue gas waste heat recovery system - Google Patents
Water-cooling smoke hood and converter flue gas waste heat recovery system Download PDFInfo
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- CN215217222U CN215217222U CN202120496040.5U CN202120496040U CN215217222U CN 215217222 U CN215217222 U CN 215217222U CN 202120496040 U CN202120496040 U CN 202120496040U CN 215217222 U CN215217222 U CN 215217222U
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- water
- water jacket
- jacket
- cooling
- waste heat
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- 238000001816 cooling Methods 0.000 title claims abstract description 52
- 239000002918 waste heat Substances 0.000 title claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 238000011084 recovery Methods 0.000 title claims abstract description 24
- 239000000779 smoke Substances 0.000 title claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 195
- 238000007789 sealing Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a water-cooling petticoat pipe, including preceding water jacket, back water jacket, left side water jacket and right side water jacket, preceding water jacket, back water jacket, left side water jacket and right side water jacket enclose into a both ends open-ended cavity, and the opening of cavity one end and the outlet flue intercommunication of converter, the exhaust-heat boiler is connected to the opening of the cavity other end, and the cavity flows to exhaust-heat boiler's passageway from the converter as converter converting flue gas. Converter flue gas waste heat recovery system, including pure water station, middle water tank, exhaust-heat boiler and the foretell water-cooling petticoat pipe of a plurality of, the delivery port of pure water station and the first water inlet intercommunication of middle water tank, the water inlet on the water-cooling petticoat pipe communicates with the first delivery port of middle water tank respectively, and the delivery port on the water-cooling petticoat pipe communicates with the second water inlet of middle water tank respectively, and the second delivery port of middle water tank communicates with exhaust-heat boiler's water inlet. The utility model discloses the air-resistor phenomenon appears in having avoided converter flue gas cooling process.
Description
Technical Field
The utility model relates to a flue gas waste heat recovery equipment technical field especially relates to a water-cooling petticoat pipe and converter flue gas waste heat recovery system.
Background
Copper matte converting is an important link of copper smelting, receives copper matte in a smelting stage, and produces blister copper through converting operation of a converting furnace for supplying requirements for fire refining. The flue gas that converting operation produced has taken away 50% heat in the converting stage, and copper smelting enterprise all adopts the mode that the water-cooling petticoat pipe connects exhaust-heat boiler behind the stove to retrieve partial flue gas waste heat at present. Wherein, traditional water-cooling petticoat pipe adopts monoblock through cooling water structure, appears the air lock phenomenon easily in the use, and the cooling effect is uneven, leads to water-cooling petticoat pipe water jacket life to shorten greatly. The traditional water-cooling smoke hood adopts an open circulation mode, and the circulating water supply pressure is insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water-cooling petticoat pipe and converter flue gas waste heat recovery system to solve the problem that above-mentioned prior art exists, avoid appearing the air lock phenomenon in the converter flue gas cooling process, improve the waste heat recovery efficiency of converter flue gas.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a water-cooling petticoat pipe, including preceding water jacket, back water jacket, left side water jacket and right side water jacket, preceding water jacket the back water jacket the left side water jacket with the right side water jacket encloses into a both ends open-ended cavity, the opening of cavity one end and the outlet flue intercommunication of converter, exhaust-heat boiler is connected to the opening of the cavity other end, the cavity is followed as converter converting flue gas the converter flows extremely exhaust-heat boiler's passageway.
Preferably, the front water jacket, the rear water jacket, the left water jacket and the right water jacket are respectively formed by splicing a plurality of mutually independent water jackets, each water jacket is provided with a water inlet and a water outlet, a rib plate is arranged in each water jacket, and a water through hole is formed in each rib plate.
Preferably, the front water jacket and the rear water jacket are respectively connected with the left water jacket in a sealing manner, and the front water jacket and the rear water jacket are respectively connected with the right water jacket in a sealing manner.
The utility model also provides a converter flue gas waste heat recovery system, including pure water station, middle water tank, exhaust-heat boiler and the foretell water-cooling petticoat pipe of a plurality of, the delivery port of pure water station with the first water inlet intercommunication of middle water tank, water inlet on the water-cooling petticoat pipe respectively with the first delivery port intercommunication of middle water tank, delivery port on the water-cooling petticoat pipe respectively with the second water inlet intercommunication of middle water tank, the second delivery port of middle water tank with exhaust-heat boiler's water inlet intercommunication.
Preferably, the water inlet on the water-cooling smoke cover is communicated with one end of a main water inlet pipe through a pipeline respectively, the other end of the main water inlet pipe is communicated with a first water outlet of the middle water tank, and a circulating pump is arranged on the main water inlet pipe.
Preferably, the number of the water-cooling smoke hoods is two, and the water-cooling smoke hoods correspond to the main water inlet pipes one to one.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a water-cooling petticoat pipe and converter flue gas waste heat recovery system have avoided appearing the air lock phenomenon in the converter flue gas cooling process to the waste heat recovery efficiency of converter flue gas has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram I of a water-cooling smoke hood of the utility model;
FIG. 2 is a schematic structural diagram II of the water-cooling smoke hood of the present invention;
FIG. 3 is a schematic structural view of the converter flue gas waste heat recovery system of the present invention;
wherein: 1. a pure water station; 2. an intermediate water tank; 3. a first main water inlet pipe; 4. a second main water inlet pipe; 5. A first circulation pump; 6. a second circulation pump; 7. a first water-cooled hood; 8. a second water-cooled smoke hood; 9. a waste heat boiler; 10. a converter; 11. a water jacket; 111. a rib plate; 12. a vertical junction; 13. a transverse joint; 14. a smoke inlet; 15. a smoke outlet; 16. a front water jacket; 17. and a rear water jacket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model aims at providing a water-cooling petticoat pipe and converter flue gas waste heat recovery system to solve the problem that above-mentioned prior art exists, avoid appearing the air lock phenomenon in the converter flue gas cooling process, improve the waste heat recovery efficiency of converter flue gas.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3: the embodiment provides a water-cooling smoke hood, which comprises a front water jacket 16, a rear water jacket 17, a left water jacket and a right water jacket, wherein the front water jacket 16, the rear water jacket 17, the left water jacket and the right water jacket enclose a cavity with two open ends, the opening at one end of the cavity is a smoke inlet 14, the smoke inlet 14 is communicated with a smoke outlet of a converter 10, the opening at the other end of the cavity is a smoke outlet 15, the smoke outlet 15 is connected with a waste heat boiler, and the cavity is used as a channel for converter converting smoke to flow from the converter 10 to the waste heat boiler.
The front water jacket 16, the rear water jacket 17, the left water jacket and the right water jacket are respectively formed by splicing a plurality of mutually independent water jackets 11, and the vertical connecting part 12 and the transverse connecting part 13 of the adjacent water jackets 11 are connected or welded through flanges; each water jacket 11 is provided with a water inlet and a water outlet, a plurality of rib plates 111 are arranged in each water jacket 11, the rib plates 111 divide the interior of the water jacket 11 into a plurality of areas, and water through holes are arranged on the rib plates 111 and are used as circulating water channels to be communicated with the areas in one water jacket 11. The front water jacket 16 and the rear water jacket 17 are respectively connected with the left water jacket in a sealing way, and the front water jacket 16 and the rear water jacket 17 are respectively connected with the right water jacket in a sealing way.
The utility model also provides a converter flue gas waste heat recovery system, including pure water station 1, middle water tank 2, exhaust-heat boiler 9 and two above-mentioned water-cooling petticoat pipes, two water-cooling petticoat pipes are first water-cooling petticoat pipe 7 and second water-cooling petticoat pipe 8 respectively, the delivery port of pure water station 1 communicates with the first water inlet of middle water tank 2, the water inlet on the first water-cooling petticoat pipe 7 communicates with one end of the first main inlet tube 3 through the pipeline, the other end of the first main inlet tube 3 communicates with the first delivery port of middle water tank 2, be provided with first circulating pump 5 on the first main inlet tube 3; a water inlet on the second water-cooling smoke hood 8 is communicated with one end of a second main water inlet pipe 4 through a pipeline, the other end of the second main water inlet pipe 4 is communicated with a first water outlet of the middle water tank 2, and a second circulating pump 6 is arranged on the second main water inlet pipe 4; and a water outlet on the first water-cooling smoke hood 7 and a water outlet on the second water-cooling smoke hood 8 are respectively communicated with a second water inlet of the middle water tank 2, and a second water outlet of the middle water tank 2 is communicated with a water inlet of the waste heat boiler 9.
The working process of the converter flue gas waste heat recovery system of the embodiment is as follows: circulating water from the pure water station 1 is sent into the intermediate water storage tank from a water outlet of the pure water station 1 through a first water inlet of the intermediate water storage tank, the circulating water in the intermediate water storage tank is forcibly pumped to a main water inlet pipe of a first water-cooling smoke hood 7 and a second water-cooling smoke hood 8 through a first circulating pump 5 and a second circulating pump 6, and enters into each subarea water jacket 11 from a water inlet at the lower end of each subarea water jacket 11 through the main water inlet pipe and each subarea water jacket water inlet pipe, flows from the water outlet at the upper end of each partition water jacket 11 to the water outlet pipe of each partition water jacket 11 after passing through the circulating water channels of each rib plate 111 from bottom to top in each partition water jacket 11, then the water flows to a main water return pipe of the first water-cooling smoke hood 7 and a main water return pipe of the second water-cooling smoke hood 8 and flows back to the middle water storage tank from the main water return pipe through a second water inlet of the middle water storage tank, the processes are continuously carried out by forced circulation of a circulating pump in the production process, meanwhile, the circulating water with the increased temperature is sent to other equipment such as a waste heat boiler 9 from a second water outlet of the middle water storage tank for use.
Compared with the traditional open circulation, the converter flue gas waste heat recovery system has enough circulation pressure and obvious circulation effect. In the original open type circulating system, pure water from the pure water station 1 flows to the water cooling smoke hood through the circulating pump, then backwater flows back to the backwater tank, the backwater tank is arranged in an open mode, and the circulating water system is open. The difference of the two circulation modes is that the circulating water pressure of the converter flue gas waste heat recovery system reaches 0.35-0.4 Mpa, the converter flue gas waste heat recovery system is forced to circulate, and the circulating heat exchange effect is good; the original open-type circulating system has the circulating water pressure of 0.2Mpa and relatively poor circulating heat exchange effect.
The circulating water of the converter flue gas waste heat recovery system and the smelting furnace waste heat boiler 9 of the embodiment uniformly use pure water, and the water temperature is increased to 80.3 ℃ from 25 ℃ after circulating cooling, and is increased by 55.3 ℃. This novel accurate water supply structure water-cooling petticoat pipe of subregion and converter flue gas waste heat recovery system can use with exhaust-heat boiler 9 grafting, realizes waste heat recovery as far as possible and utilizes.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. A water-cooling petticoat pipe, its characterized in that: the converter blowing smoke-gas heat exchanger comprises a front water jacket, a rear water jacket, a left water jacket and a right water jacket, wherein the front water jacket, the rear water jacket, the left water jacket and the right water jacket enclose a cavity with two open ends, an opening at one end of the cavity is communicated with a smoke outlet of a converter, an opening at the other end of the cavity is connected with a waste heat boiler, and the cavity is used as a channel for converter blowing smoke gas to flow from the converter to the waste heat boiler.
2. The water-cooled fumehood of claim 1, wherein: the front water jacket, the rear water jacket, the left water jacket and the right water jacket are respectively formed by splicing a plurality of mutually independent water jackets, each water jacket is provided with a water inlet and a water outlet, a rib plate is arranged in each water jacket, and a water through hole is formed in each rib plate.
3. The water-cooled fumehood of claim 1, wherein: the front water jacket and the rear water jacket are respectively connected with the left water jacket in a sealing manner, and the front water jacket and the rear water jacket are respectively connected with the right water jacket in a sealing manner.
4. The utility model provides a converter flue gas waste heat recovery system which characterized in that: the water-cooling smoke hood comprises a pure water station, an intermediate water tank, a waste heat boiler and a plurality of water-cooling smoke hoods according to any one of claims 1 to 3, wherein a water outlet of the pure water station is communicated with a first water inlet of the intermediate water tank, a water inlet of each water-cooling smoke hood is communicated with a first water outlet of the intermediate water tank, a water outlet of each water-cooling smoke hood is communicated with a second water inlet of the intermediate water tank, and a second water outlet of the intermediate water tank is communicated with a water inlet of the waste heat boiler.
5. The converter flue gas waste heat recovery system of claim 4, characterized in that: the water inlet on the water-cooling petticoat pipe communicates with the one end of main inlet tube through the pipeline respectively, the other end of main inlet tube with the first delivery port intercommunication of middle water tank, be provided with the circulating pump on the main inlet tube.
6. The converter flue gas waste heat recovery system of claim 5, characterized in that: the water-cooling petticoat pipe is two, the water-cooling petticoat pipe with main inlet tube one-to-one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120496040.5U CN215217222U (en) | 2021-03-03 | 2021-03-03 | Water-cooling smoke hood and converter flue gas waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120496040.5U CN215217222U (en) | 2021-03-03 | 2021-03-03 | Water-cooling smoke hood and converter flue gas waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215217222U true CN215217222U (en) | 2021-12-17 |
Family
ID=79442325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120496040.5U Active CN215217222U (en) | 2021-03-03 | 2021-03-03 | Water-cooling smoke hood and converter flue gas waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215217222U (en) |
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2021
- 2021-03-03 CN CN202120496040.5U patent/CN215217222U/en active Active
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