CN112696939A - Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system - Google Patents
Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system Download PDFInfo
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- CN112696939A CN112696939A CN202110091300.5A CN202110091300A CN112696939A CN 112696939 A CN112696939 A CN 112696939A CN 202110091300 A CN202110091300 A CN 202110091300A CN 112696939 A CN112696939 A CN 112696939A
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- 238000009833 condensation Methods 0.000 title claims abstract description 34
- 230000005494 condensation Effects 0.000 title claims abstract description 34
- 238000007791 dehumidification Methods 0.000 title claims abstract description 30
- 230000002087 whitening effect Effects 0.000 title claims abstract description 25
- 239000002893 slag Substances 0.000 title claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 14
- 230000008030 elimination Effects 0.000 claims abstract description 4
- 238000003379 elimination reaction Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000007731 hot pressing Methods 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
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- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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Abstract
An environment-friendly condensation, dehumidification and white elimination device suitable for a blast furnace slag flushing and wet desulphurization system belongs to the technical field of waste steam, white elimination and dehumidification in the environment-friendly industry. The device comprises a supporting frame, a device body, radiating fins, a rotational flow dehydrator, a flow divider, a supporting rod piece, an installation support and a connecting flange; the environment-friendly condensation dehumidification whitening device is connected with the supporting frame through the mounting support, the radiating fins and the cyclone dehydrator are mounted outside the device body, the cyclone dehydrator and the flow divider are mounted inside the device body, and the flow divider is fixed inside the device body through the supporting rod piece. Has the advantages that: energy and operation cost are effectively saved, the service life of equipment is prolonged, and the condensation and dehumidification effects are enhanced; the exhaust steam condensation dehumidification effect under different working conditions can be met.
Description
Technical Field
The invention belongs to the technical field of steam exhaust, dehumidification and whitening in the environment-friendly industry, and particularly relates to an environment-friendly condensation, dehumidification and whitening device suitable for a blast furnace slag flushing and wet desulphurization system. By the correct implementation of the device, the moisture content of the exhausted steam can be effectively reduced, and the purposes of dehumidifying and whitening can be achieved.
Background
At present, the blast furnace slag flushing in the domestic iron and steel industry mainly adopts a slag flushing form, and a large amount of saturated dead steam is generated in the slag flushing process. Because blast furnace slag flushing steam contains a large amount of emissions such as sulfate ions, chloride ions, slag wool and the like, equipment such as a cast house shed, a traveling crane in front of the furnace, a slag discharging stranding cage and the like is corroded, the operation sight of each production post in front of the furnace is influenced, and potential safety hazards are caused. Meanwhile, as the exhaust steam has higher emission temperature (80-90 ℃) and is in a saturated state, white smoke plume can be generated in the process that the exhaust steam is directly discharged into the atmosphere through a chimney at the top of the granulating tower, the environment-friendly requirement that the exhaust steam emission moisture content of blast furnace slag flushing water in the steel industry is reduced by more than or equal to 50% is difficult to meet, and water resource waste is caused.
According to statistics of relevant data, the outlet of most of the wet flue gas desulfurization systems in China is low-temperature saturated wet flue gas at the temperature of 50-55 ℃. When the low-temperature saturated wet flue gas is directly discharged to the atmospheric environment through a chimney, white smoke plume can be generated, a chimney rain phenomenon can be formed around the chimney, and the corrosion is caused to production plant facilities. The reason for this phenomenon is mainly two-fold, on one hand, the liquid drops mixed in the wet flue gas are carried out directly from the chimney opening, and on the other hand, the saturated flue gas is condensed into small liquid drops at the chimney outlet for the second time.
Aiming at the problems, the mode of setting heat exchanger equipment for heat exchange and condensation or directly heating to improve the exhaust temperature of the smoke is generally adopted in China to treat the white smoke plume. The two modes can achieve the whitening effect, but the treatment system is relatively complex, the problem of occupied land in a factory is difficult to solve, the initial investment of the project is relatively large, the system resistance and the energy consumption are relatively large, and the operation cost is relatively high.
Disclosure of Invention
The invention aims to provide an environment-friendly condensation, dehumidification and whitening device suitable for a blast furnace slag flushing and wet desulphurization system, and solves the whitening problems of chimney rain and white smoke plume caused by large moisture content of exhaust steam emission of blast furnace slag flushing and wet desulphurization.
The invention mainly comprises a supporting frame 1, a device body 2, radiating fins 3, a rotational flow dehydrator 4, a flow divider 5, a supporting rod piece 6, a mounting support 7 and a connecting flange 8; the environment-friendly condensation, dehumidification and whitening device adopts a sectional manufacturing form, the sections are connected into a whole through a connecting flange 8, the environment-friendly condensation, dehumidification and whitening device is connected with a supporting frame 1 through a mounting support 7, a radiating fin 3 and a cyclone dehydrator 4 are installed outside a device body 2, the cyclone dehydrator 4 and a flow divider 5 are installed inside the device body 2, and the flow divider 5 is fixed inside the device body 2 through a supporting rod piece 6.
Inside the steam exhaust gets into the device from the bottom, utilize the in-process that the hot pressing rises, dispel the heat through device body 2, radiating fin 3, strengthen the air current disturbance through whirl dehydrator 4, shunt 5 to reach the purpose that effectively the condensation dehumidified and dispelled the white.
The device body 2 is made of a composite steel plate material, the outer wall of the device body is made of carbon steel, and the lining of the device body is made of a corrosion-resistant material (selected according to gas components). The device body 2 is manufactured in a sectional mode and connected through flanges.
And the heat radiating fins 3 are arranged on the periphery of the outer wall of the device body 2 according to the calculation of the heat radiating capacity, and the fins are made of aluminum materials with high heat radiating coefficients.
The device body 2 is internally provided with a rotational flow dehydrator 4 and a flow divider (5) according to flow field simulation, and the rotational flow dehydrator 4 and the flow divider 5 are made of corrosion-resistant steel materials (selected according to gas components).
The invention has the advantages that:
1. the environment-friendly condensation, dehumidification and white elimination device can completely utilize the hot-pressing effect of the flue gas, does not increase power equipment, and effectively saves energy and operation cost.
2. The environment-friendly condensation dehumidification and whitening device body is made of a composite steel plate, the outer wall of the environment-friendly condensation dehumidification and whitening device body is made of carbon steel, the outer wall of the environment-friendly condensation dehumidification and whitening device body is lined with corrosion-resistant steel (selected according to gas components), and a standard section sectional manufacturing and sectional supporting mode is adopted, so that the equipment investment cost is effectively reduced, and the service life of equipment is prolonged.
3. The outer wall of the environment-friendly condensation, dehumidification and whitening device is provided with the radiating fins which are made of aluminum plates with good heat conducting performance, so that the heat exchange area is increased, and the condensation and dehumidification effects are enhanced;
4. the environment-friendly condensation, dehumidification and whitening device is internally provided with the cyclone dehydrator, exhaust steam is guided to rotate and rise in the device, the exhaust steam stroke is increased, the heat and mass transfer effect in the exhaust steam is enhanced, small condensed water droplets in the chimney are collided and condensed into large droplets, and the large droplets are condensed and discharged along the inner wall of the cyclone dehydrator under the action of centrifugal force.
5. The exhaust steam shunt is arranged at the central position in the environment-friendly condensation and dehumidification and whitening device, so that exhaust steam is diffused to the outer side wall surface in the process of rising in the environment-friendly condensation device, the exhaust steam stroke is increased, the cyclone condensation effect is enhanced, and the heat exchange and heat and mass transfer effects of the environment-friendly condensation device are enhanced.
6. The environment-friendly condensation dehumidification and whitening device is manufactured and assembled in a standard section by section, and the exhaust steam condensation dehumidification effect under different working conditions can be met by adjusting the number of the radiating fins, the number of the cyclone dehydrators and the number of the flow dividers.
Drawings
Fig. 1 is a schematic elevation view of the whole structure of the device.
FIG. 2 is a schematic plan view of the apparatus.
FIG. 3 is a schematic diagram of a standard section of the device.
The device comprises a supporting frame 1, a device body 2, radiating fins 3, a rotational flow dehydrator 4, a flow divider 5, a supporting rod piece 6, a mounting support 7 and a connecting flange 8.
Detailed Description
Fig. 1-3 illustrate an embodiment of the present invention.
As shown in fig. 1, the present invention mainly comprises a support frame 1, a device body 2, a heat radiation fin 3, a rotational flow dehydrator 4, a flow divider 5, a support rod 6, a mounting support 7 and a connecting flange 8; the environment-friendly condensation, dehumidification and whitening device adopts a sectional manufacturing form, the sections are connected into a whole through a connecting flange 8, the environment-friendly condensation, dehumidification and whitening device is connected with a supporting frame 1 through a mounting support 7, a radiating fin 3 and a cyclone dehydrator 4 are installed outside a device body 2, the cyclone dehydrator 4 and a flow divider 5 are installed inside the device body 2, and the flow divider 5 is fixed inside the device body 2 through a supporting rod piece 6. Inside the steam exhaust gets into the device from the bottom, utilize the in-process that the hot pressing rises, dispel the heat through device body 2, radiating fin 3, strengthen the air current disturbance through whirl dehydrator 4, shunt 5 to reach the purpose that effectively the condensation dehumidified and dispelled the white.
The device body 2 is made of a composite steel plate material, the outer wall of the device body is made of carbon steel, and the lining of the device body is made of a corrosion-resistant material (selected according to gas components). The device body 2 is manufactured in a sectional mode and connected through flanges.
And the heat radiating fins 3 are arranged on the periphery of the outer wall of the device body 2 according to the calculation of the heat radiating capacity, and the fins are made of aluminum materials with high heat radiating coefficients.
The device body 2 is internally provided with a rotational flow dehydrator 4 and a flow divider (5) according to flow field simulation, and the rotational flow dehydrator 4 and the flow divider 5 are made of corrosion-resistant steel materials (selected according to gas components).
Claims (4)
1. The utility model provides a be suitable for blast furnace towards sediment, wet flue gas desulfurization system's environmental protection condensation dehumidification white device that disappears which characterized in that: comprises a supporting frame (1), a device body (2), radiating fins (3), a rotational flow dehydrator (4), a flow divider (5), a supporting rod piece (6), a mounting support (7) and a connecting flange (8); the environment-friendly condensation, dehumidification and white elimination device adopts a mode of manufacturing standard sections in sections, and the sections are connected into a whole through a connecting flange (8); the environment-friendly condensation dehumidification whitening device is connected with the supporting frame (1) through the mounting support (7), the radiating fins (3) and the cyclone dehydrator (4) are mounted outside the device body (2), the cyclone dehydrator (4) and the flow divider (5) are mounted inside the device body (2), and the flow divider (5) is fixed inside the device body (2) through the supporting rod piece (6);
inside the steam exhaust enters the device from the bottom, the device body (2) and the radiating fins (3) are used for radiating heat in the process of rising by utilizing hot pressing, and the airflow disturbance is enhanced through the cyclone dehydrator (4) and the flow divider (5), so that the purposes of effectively condensing, dehumidifying and whitening are achieved.
2. The environment-friendly condensation, dehumidification and whitening device suitable for the blast furnace slag flushing and wet desulphurization system as claimed in claim 1, wherein: the device body (2) is made of a composite steel plate material, the outer wall of the device body is made of carbon steel, and the lining of the device body is made of a corrosion-resistant material; the device body (2) is manufactured in a segmented mode and is connected through flanges.
3. The environment-friendly condensation, dehumidification and whitening device suitable for the blast furnace slag flushing and wet desulphurization system as claimed in claim 1, wherein: radiating fins (3) are arranged on the periphery of the outer wall of the device body (2), and the radiating fins (3) are made of aluminum materials with high radiating coefficients.
4. The environment-friendly condensation, dehumidification and whitening device suitable for the blast furnace slag flushing and wet desulphurization system as claimed in claim 1, wherein: the rotational flow dehydrator (4) and the flow divider (5) are made of corrosion-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091300.5A CN112696939A (en) | 2021-01-22 | 2021-01-22 | Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110091300.5A CN112696939A (en) | 2021-01-22 | 2021-01-22 | Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112696939A true CN112696939A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110091300.5A Pending CN112696939A (en) | 2021-01-22 | 2021-01-22 | Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system |
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| Country | Link |
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| CN (1) | CN112696939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748943A (en) * | 2022-03-24 | 2022-07-15 | 广东美的白色家电技术创新中心有限公司 | Separator, negative pressure device with separator and pressure cooker |
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|---|---|---|---|---|
| CN202569921U (en) * | 2012-04-27 | 2012-12-05 | 北京扬德环境科技有限公司 | Cyclone condensation type gas dehumidification device |
| JP2017127801A (en) * | 2016-01-19 | 2017-07-27 | オリオン機械株式会社 | Compressed-air dehumidifier |
| CN210251661U (en) * | 2019-04-09 | 2020-04-07 | 顾志龙 | Hybrid condensation deep dehydration and whitening purification system |
| CN111351064A (en) * | 2020-03-13 | 2020-06-30 | 江苏峰业科技环保集团股份有限公司 | Cooling and dehumidifying flue gas whitening system |
| CN211476762U (en) * | 2019-12-30 | 2020-09-11 | 河南华谱新能源科技有限公司 | Flue gas white condensation heat recovery unit that disappears |
| CN214701805U (en) * | 2021-01-22 | 2021-11-12 | 北京首钢国际工程技术有限公司 | Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system |
-
2021
- 2021-01-22 CN CN202110091300.5A patent/CN112696939A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202569921U (en) * | 2012-04-27 | 2012-12-05 | 北京扬德环境科技有限公司 | Cyclone condensation type gas dehumidification device |
| JP2017127801A (en) * | 2016-01-19 | 2017-07-27 | オリオン機械株式会社 | Compressed-air dehumidifier |
| CN210251661U (en) * | 2019-04-09 | 2020-04-07 | 顾志龙 | Hybrid condensation deep dehydration and whitening purification system |
| CN211476762U (en) * | 2019-12-30 | 2020-09-11 | 河南华谱新能源科技有限公司 | Flue gas white condensation heat recovery unit that disappears |
| CN111351064A (en) * | 2020-03-13 | 2020-06-30 | 江苏峰业科技环保集团股份有限公司 | Cooling and dehumidifying flue gas whitening system |
| CN214701805U (en) * | 2021-01-22 | 2021-11-12 | 北京首钢国际工程技术有限公司 | Environment-friendly condensation, dehumidification and whitening device suitable for blast furnace slag flushing and wet desulphurization system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114748943A (en) * | 2022-03-24 | 2022-07-15 | 广东美的白色家电技术创新中心有限公司 | Separator, negative pressure device with separator and pressure cooker |
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