CN203803261U - Environmental-friendly steelmaking smoke processing equipment - Google Patents
Environmental-friendly steelmaking smoke processing equipment Download PDFInfo
- Publication number
- CN203803261U CN203803261U CN201420220516.2U CN201420220516U CN203803261U CN 203803261 U CN203803261 U CN 203803261U CN 201420220516 U CN201420220516 U CN 201420220516U CN 203803261 U CN203803261 U CN 203803261U
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- CN
- China
- Prior art keywords
- flue
- filter screen
- cooler
- environment
- treatment facility
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Treating Waste Gases (AREA)
Abstract
The utility model provides environmental-friendly steelmaking smoke processing equipment. The equipment comprises a cooler, a flue and a fan, wherein the flue is connected with the cooler, the cooler is vertically placed, a cooling water flow passage is arranged on the outer wall of the cooler, a cooling water inlet is formed in the top of the cooler, and a cooling water outlet is formed in the bottom end of the cooler; the flue is horizontally placed, five filter screens are sequentially arrayed in flue along the flowing direction of the smoke, the apertures of the five filter screens gradually decrease, dust storing devices are respectively arranged in front of each filter screen, switch valves are respectively arranged under each filter screen, an air outlet of the flue is connected with an SO2 absorbing container containing SO2 absorbing liquid and is located below the liquid level of the SO2 absorbing liquid, and the top of the SO2 absorbing container is communicated with atmosphere through a one-way valve. The environmental-friendly steelmaking smoke processing equipment has the beneficial effects that the waste heat in steelmaking plants can be effectively utilized, and the water pollution is prevented; the different filter screens can be selected according to the particle size distribution of the smoke in the different steelmaking plants, so that the dust removal efficiency is increased, and the service life is prolonged; the SO2 gas in the smoke can be effectively removed.
Description
Technical field
The utility model belongs to the removal field of smelting iron and steel waste gas and flue dust, especially relates to a kind of environment-friendly type fume from steel making treatment facility.
Background technology
2013, China put into effect ten measures of State Council's control atmosphere pollution, and after two Conferences in 2014 closing, premier Li Keqiang has expressed again the resolution of declaring a war to pollutions such as hazes when answering reporters' questions.Haze be formed with complicated reason, mainly comprise the discharge of industrial discharge, vehicle exhaust and life discharge etc.Wherein, on haze, impact is the discharge of industrial production waste gas the most significantly.The waste gas of discharging in traditional steel mill and various dust severe contaminations environment.In iron and steel field, the main source of waste gas comprises that the processes such as transportation, handling and processing of raw material, fuel produce a large amount of dust-laden exhaust gas; In the process that the various kilns of steel plant are produced again, a large amount of dust-ladens and the waste gas of pernicious gas will be produced; The waste gas of production process chemical reaction discharge, the waste gas producing as smelted, burn, in chemical products and acid washing rolled steel process.Although generally there is emission-control equipment in present steel plant, while processing waste gas, can waste, pollute a large amount of water resources; Existing soot processing device dust treatment effect meeting in use for some time variation, therefore need to change soot processing device again, both wastes time, and increases again production cost; General not for a small amount of SO containing in flue dust in existing soot processing device
2gas process or result undesirable, and not to a small amount of SO in useless flue dust
2the soot processing device that gas is recycled.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of saving water resource, the time in service life is long and can effectively remove the SO in useless flue dust
2gas to SO
2the environment-friendly type fume from steel making treatment facility that gas is recycled.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of environment-friendly type fume from steel making treatment facility, the cooler (1) that comprises cooling flue dust, the flue (2) being connected with the flue dust outlet (14) of described cooler (1) and be arranged on the blower fan (4) in described flue (2), described cooler (1) is vertically placed, described cooler (1) outer wall is provided with flow of cooling water passage, described cooler (1) top is provided with cooling water inlet (11), described cooler (1) bottom is provided with coolant outlet (12), described flue (2) horizontal positioned, in described flue (2), along the mobile direction of flue dust, be provided with equidistantly, be arranged in order and the first filter screen (21) that aperture reduces successively, the second filter screen (22), the 3rd filter screen (23), the 4th filter screen (24) and the 5th filter screen (25), the place ahead of each filter screen is equipped with dust collector (3), dust collector described in each (3) below is equipped with switch valve (31), the gas outlet (26) of described flue (2) with fill SO
2the SO of the sealing of absorption liquid
2absorb container (5) and be connected, described gas outlet (26) are positioned at SO
2absorption liquid liquid level below, described SO
2the top that absorbs container (5) communicates with atmosphere by a check valve (6).
Further, the bottom of dust collector described in each (3) all connects dust collector (7), and the sidewall of described dust collector (7) is close in the bottom of described dust collector (3).
Further, described SO
2absorb and in container (5), to be loaded with one or more in NaOH, sodium carbonate and sodium sulfite solution.
Further, described SO
2absorb container (5) sidewall top and be provided with inlet (51), described inlet (51) outside is provided with and described SO
2absorb the side walls hinged lid (52) of container (5), described SO
2the bottom that absorbs container (5) is connected with the autoclave (8) that is loaded with sulphur simple substance by a liquid valve (9).
Further, the flue dust import (13) of described cooler (1) bottom is horn-like.
Further, described dust collector (3) is for removing the inverted cone of drift angle.
Further, the aperture of described the first filter screen (21) is that the aperture of 1mm, the second filter screen (22) is that the aperture of 500 μ m, the 3rd filter screen (23) is that the aperture of 100 μ m, the 4th filter screen (24) is that 50 μ m and aperture are 25 μ m the 5th filter screens (25).
Further, described blower fan (4) is arranged in the described flue (2) at the 5th filter screen (25) rear.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, can effectively utilize the used heat in steel mill, can prevent water pollution; Can select according to the distribution of flue dust particle diameter in different steel mills the filter screen of different pore size, thereby improve efficiency of dust collection and service life; Can effectively remove the SO in flue dust
2gas.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the structural representation of the utility model embodiment 2;
Fig. 3 is the structural representation of the utility model embodiment 3.
In figure:
1, cooler 2, flue 3, dust collector
4, blower fan 5, SO
2absorb container 6, check valve
7, dust collector 8, autoclave 9, liquid valve
11, cooling water inlet 12, coolant outlet 13, flue dust import
14, flue dust outlet the 21, first filter screen 22, the second filter screen
23, the 3rd filter screen 24, the 4th filter screen 25, the 5th filter screen
26, gas outlet 31, switch valve 51, inlet
52, lid
The specific embodiment
In order better to understand the utility model, below in conjunction with specific embodiments and the drawings, the utility model is conducted further description.
Embodiment 1
The utility model provides embodiment 1 that a kind of environment-friendly type fume from steel making treatment facility is provided, please refer to Fig. 1, the cooler 1 that comprises cooling flue dust, export 14 flues that are connected 2 and be arranged on the blower fan 4 in flue 2 with the flue dust of cooler 1, cooler 1 is vertically placed, the flue dust import 13 of cooler 1 bottom is horn-like, cooler 1 outer wall is provided with flow of cooling water passage, cooler 1 top is provided with cooling water inlet 11, cooler 1 bottom is provided with coolant outlet 12, flue 2 horizontal positioned, flue 2 is interior to be provided with equidistantly along the mobile direction of flue dust, the aperture being arranged in order is the first filter screen 21 of 1mm, aperture is the second filter screen 22 of 500 μ m, aperture is the 3rd filter screen 23 of 100 μ m, aperture is the 4th filter screen 24 of 50 μ m and the 5th filter screen 25 that aperture is 25 μ m, in the present embodiment, the filter screen in various apertures all can be bought in market, blower fan 4 is arranged in the flue 2 at the 5th filter screen 25 rears, the place ahead of each filter screen is equipped with the inverted cone dust collector 3 that removes drift angle, each dust collector 3 belows are equipped with switch valve 31, the gas outlet 26 of flue 2 and the SO that fills the sealing of sodium hydroxide solution
2absorb container 5 and be connected, the concentration range of sodium hydroxide solution is 0.2～2.8mol/L, and in the present embodiment, the concentration of sodium hydroxide solution is 2mol/L, and gas outlet 26 is positioned at sodium hydroxide solution, SO
2the top that absorbs container 5 communicates with atmosphere by a check valve 6, and check valve 6 can be discharged SO2 by the flue dust after processing and be absorbed container 5, and can prevent that other gases in atmosphere from entering SO
2absorb in container 5.
The course of work of this example: when the utility model is applied in steel mill to smoke abatement, flue dust enters environment-friendly type fume from steel making treatment facility by flue dust import 13, cooling flue dust through subcooler 1 enters flue 2, the water being used for after cooling flue dust in cooler 1 can be used for urban heat supplying or other heating, also can will after water cooling, reuse, environment friendly and pollution-free; The flue dust entering in flue 2 is drier, the flue dust that particle diameter is greater than 1mm after the first filter screen 21 will be filtered and enter the dust collector 3 in first filter screen 21 the place aheads, flue gas by the first filter screen 21 then can be filtered layer by layer by the second filter screen 22, the 3rd filter screen 23, the 4th filter screen 24 and the 5th filter screen 25, and last flue dust can enter SO
2absorb container 5, SO
2the sodium hydroxide solution absorbing in container 5 can absorb SO on the one hand
2, also can absorb the flue dust that particle diameter is less on the other hand, and then the flue dust after processing is entered in atmosphere.
Embodiment 2
The utility model embodiment 2 provides a kind of environment-friendly type fume from steel making treatment facility, as shown in Figure 2, on the basis of embodiment 1, the bottom of dust collector 3 all connects dust collector 7, dust collector 7 fixes on the ground, the sidewall of dust collector 7 is close in the bottom of dust collector 3, the particle that the setting of dust collector 7 can centralized collection flue dust obtains after treatment, is conducive to carry out further processing and processes or recycle.
Embodiment 3
The utility model embodiment 3 provides a kind of environment-friendly type fume from steel making treatment facility, as shown in Figure 3, and SO in embodiment 3 as different from Example 2
2absorb the sodium carbonate liquor that container 5 is loaded with 2mol/L, SO
2absorb container 5 sidewall tops and be provided with inlet 51, inlet 51 outsides are provided with and SO
2absorb the side walls hinged lid 52 of container 5, SO
2the bottom that absorbs container 5 is connected with the autoclave 8 that is loaded with sulphur simple substance by a liquid valve 9.After processing flue dust certain hour, open liquid valve 9, by SO
2the solution absorbing in container 5 is placed in autoclave 8, also can be to SO
2absorption is further processed.Work as SO
2after liquid in absorption container 5 is released, close liquid valve 9, open lid 52, to SO
2absorb container 5 and add new sodium carbonate liquor, close lid 52, can carry out again the processing of flue dust.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (8)
1. an environment-friendly type fume from steel making treatment facility, the cooler (1) that comprises cooling flue dust, the flue (2) being connected with the flue dust outlet (14) of described cooler (1) and be arranged on the blower fan (4) in described flue (2), it is characterized in that: described cooler (1) is vertically placed, described cooler (1) outer wall is provided with flow of cooling water passage, described cooler (1) top is provided with cooling water inlet (11), described cooler (1) bottom is provided with coolant outlet (12), described flue (2) horizontal positioned, in described flue (2), along the mobile direction of flue dust, be provided with equidistantly, be arranged in order and the first filter screen (21) that aperture reduces successively, the second filter screen (22), the 3rd filter screen (23), the 4th filter screen (24) and the 5th filter screen (25), the place ahead of each filter screen is equipped with dust collector (3), dust collector described in each (3) below is equipped with switch valve (31), the gas outlet (26) of described flue (2) with fill SO
2the SO of the sealing of absorption liquid
2absorb container (5) and be connected, described gas outlet (26) are positioned at SO
2absorption liquid liquid level below, described SO
2the top that absorbs container (5) communicates with atmosphere by a check valve (6).
2. environment-friendly type fume from steel making treatment facility according to claim 1, it is characterized in that: the bottom of dust collector described in each (3) all connects dust collector (7), the sidewall of described dust collector (7) is close in the bottom of described dust collector (3).
3. environment-friendly type fume from steel making treatment facility according to claim 1 and 2, is characterized in that: described SO
2absorb and in container (5), to be loaded with one or more in NaOH, sodium carbonate and sodium sulfite solution.
4. environment-friendly type fume from steel making treatment facility according to claim 3, is characterized in that: described SO
2absorb container (5) sidewall top and be provided with inlet (51), described inlet (51) outside is provided with and described SO
2absorb the side walls hinged lid (52) of container (5), described SO
2the bottom that absorbs container (5) is connected with the autoclave (8) that is loaded with sulphur simple substance by a liquid valve (9).
5. according to the environment-friendly type fume from steel making treatment facility described in claim 1,2 or 4 any one, it is characterized in that: the flue dust import (13) of described cooler (1) bottom is for horn-like.
6. environment-friendly type fume from steel making treatment facility according to claim 5, is characterized in that: described dust collector (3) is for removing the inverted cone of drift angle.
7. according to the environment-friendly type fume from steel making treatment facility described in claim 1,2,4 or 6 any one, it is characterized in that: the aperture of described the first filter screen (21) is that the aperture of 1mm, the second filter screen (22) is that the aperture of 500 μ m, the 3rd filter screen (23) is that the aperture of 100 μ m, the 4th filter screen (24) is that 50 μ m and aperture are 25 μ m the 5th filter screens (25).
8. environment-friendly type fume from steel making treatment facility according to claim 7, is characterized in that: described blower fan (4) is arranged in the described flue (2) at the 5th filter screen (25) rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220516.2U CN203803261U (en) | 2014-04-30 | 2014-04-30 | Environmental-friendly steelmaking smoke processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420220516.2U CN203803261U (en) | 2014-04-30 | 2014-04-30 | Environmental-friendly steelmaking smoke processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203803261U true CN203803261U (en) | 2014-09-03 |
Family
ID=51442073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420220516.2U Expired - Fee Related CN203803261U (en) | 2014-04-30 | 2014-04-30 | Environmental-friendly steelmaking smoke processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203803261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694676A (en) * | 2021-07-23 | 2021-11-26 | 河北光兴半导体技术有限公司 | Waste gas treatment equipment and glass production system |
-
2014
- 2014-04-30 CN CN201420220516.2U patent/CN203803261U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113694676A (en) * | 2021-07-23 | 2021-11-26 | 河北光兴半导体技术有限公司 | Waste gas treatment equipment and glass production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |