CN115970417A - Switchable wet dust removal structure and method for iron-steel slag treatment - Google Patents
Switchable wet dust removal structure and method for iron-steel slag treatment Download PDFInfo
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- CN115970417A CN115970417A CN202310040073.2A CN202310040073A CN115970417A CN 115970417 A CN115970417 A CN 115970417A CN 202310040073 A CN202310040073 A CN 202310040073A CN 115970417 A CN115970417 A CN 115970417A
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention provides a switchable wet dust removal structure and method for iron steel slag treatment, wherein the dust removal structure comprises a casting residue treatment area, a desulphurization slag treatment area, a first wet dust removal device, a second wet dust removal device and a dust removal pipeline; the dust removal pipeline comprises a first dust removal pipe, a second dust removal pipe, a third dust removal pipe, a fourth dust removal pipe and a fifth dust removal pipe; one end of a first dust removal pipe is communicated with the casting residue processing area, one end of a second dust removal pipe is communicated with the desulphurization residue processing area, one end of a fourth dust removal pipe is communicated with a second wet dust removal device, one end of a fifth dust removal pipe is communicated with the first wet dust removal device, and the other end of the fifth dust removal pipe is respectively communicated with a third dust removal pipe; a first flue valve is arranged in the fifth dust removal pipe, a second flue valve is arranged in the fourth dust removal pipe, and a third flue valve is arranged in the third dust removal pipe. Through switching the flue valve, switch the wet dedusting device that two regions correspond to ensure that two regional dust removal work go on smoothly, improve production efficiency.
Description
Technical Field
The invention relates to the technical field of wet dust removal, in particular to a switchable wet dust removal structure and method for iron steel slag treatment.
Background
At present, a large amount of flue gas generated in the iron and steel slag treatment process can be discharged after dust removal. In the prior art, the working area for processing the iron-steel slag comprises: the casting residue treatment area and the desulphurization slag treatment area are arranged, the dust removal pipelines and the wet dust removal devices corresponding to the two areas are arranged separately, generated flue gas is treated separately, when one wet dust removal device breaks down or is overhauled periodically, the dust removal work of the corresponding area needs to be stopped, the work process is delayed, and the work efficiency is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a switchable wet dust removal structure and a switchable wet dust removal method for iron and steel slag treatment, which can switch wet dust removal devices corresponding to a casting residue treatment area and a desulphurization slag treatment area so as to ensure that the dust removal work of the two areas is smoothly carried out and improve the production efficiency.
The invention provides a switchable wet dust removal structure for iron steel slag treatment, which comprises a casting residue treatment area, a desulphurization slag treatment area, a first wet dust removal device, a second wet dust removal device and a dust removal pipeline, wherein the casting residue treatment area is provided with a casting residue treatment area;
the dust removal pipeline comprises a first dust removal pipe, a second dust removal pipe, a third dust removal pipe, a fourth dust removal pipe and a fifth dust removal pipe; one end of the first dust removal pipe is communicated with the casting residue processing area, the other end of the first dust removal pipe is communicated with the third dust removal pipe, one end of the second dust removal pipe is communicated with the desulphurization residue processing area, the other end of the second dust removal pipe is communicated with the third dust removal pipe, one end of the fourth dust removal pipe is communicated with the second wet dust removal device, the other end of the fourth dust removal pipe is communicated with the third dust removal pipe, one end of the fifth dust removal pipe is communicated with the first wet dust removal device, and the other end of the fifth dust removal pipe is communicated with the third dust removal pipe;
and a first flue valve is arranged in the fifth dust removing pipe, a second flue valve is arranged in the fourth dust removing pipe, a third flue valve is arranged in the third dust removing pipe, and the third flue valve is positioned between the fourth dust removing pipe and the fifth dust removing pipe.
Further, the casting residue processing area comprises a casting residue processing device and a first supplementing cover, and the casting residue processing device is communicated with the first dust removal pipe through the first supplementing cover.
Furthermore, the desulfurization slag treatment area comprises a desulfurization slag treatment device and a second supplement cover, and the desulfurization slag treatment device is communicated with the second dust removal pipe through the second supplement cover.
The wet dust removal device is characterized by further comprising an exhaust device, wherein the exhaust device is communicated with the first wet dust removal device and the second wet dust removal device respectively.
The invention also provides a switchable wet dust removal method for iron steel slag treatment, which comprises the following steps:
under the condition of normal operation, a third flue valve arranged in a third dust removal pipe is normally closed, a first flue valve arranged in a fifth dust removal pipe and a second flue valve arranged in a fourth dust removal pipe are normally opened, flue gas generated in a casting residue processing area sequentially passes through the first dust removal pipe, the third dust removal pipe and the fourth dust removal pipe and enters a second wet dust removal device for dust removal processing, and flue gas generated in a desulphurization residue processing area sequentially passes through the second dust removal pipe, the third dust removal pipe and the fifth dust removal pipe and enters the first wet dust removal device for dust removal processing;
under the condition that the first wet dust removal device cannot operate, closing the first flue valve, opening the second flue valve and the third flue valve, enabling flue gas generated in the casting residue processing area to sequentially pass through the first dust removal pipe, the third dust removal pipe and the fourth dust removal pipe and enter the second wet dust removal device for dust removal processing, and enabling flue gas generated in the desulphurization residue processing area to sequentially pass through the second dust removal pipe, the third dust removal pipe and the fourth dust removal pipe and enter the second wet dust removal device for dust removal processing;
under the condition that the second wet dust removal device cannot operate, the second flue valve is closed, the first flue valve and the third flue valve are opened, flue gas generated in the casting residue processing area sequentially passes through the first dust removal pipe, the third dust removal pipe and the fifth dust removal pipe to enter the first wet dust removal device for dust removal processing, and flue gas generated in the desulphurization residue processing area sequentially passes through the second dust removal pipe, the third dust removal pipe and the fifth dust removal pipe to enter the first wet dust removal device for dust removal processing.
Further, in the casting residue processing area, flue gas generated by the casting residue processing device enters the first dust removal pipe through the first complementary collection cover.
Further, in the desulfurization slag treatment area, flue gas generated by the desulfurization slag treatment device enters the second dust removal pipe through the second complementary collection cover.
The method is further characterized in that the flue gas in the first wet dust removal device and the flue gas in the second wet dust removal device are discharged through an exhaust device after being subjected to dust removal treatment.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a switchable wet dust removal structure and a switchable wet dust removal method for iron and steel slag treatment, wherein a first flue valve, a second flue valve and a third flue valve are arranged in a dust removal pipeline, the third flue valve is arranged in a fifth dust removal pipe communicated with a first wet dust removal device, the second flue valve is arranged in a fourth dust removal pipe communicated with a second wet dust removal device, the first flue valve is arranged in the third dust removal pipe respectively communicated with the first dust removal pipe, the second dust removal pipe, the fourth dust removal pipe and the fifth dust removal pipe, the first flue valve is arranged between the fourth dust removal pipe and the fifth dust removal pipe, and the wet dust removal devices corresponding to a casting residue treatment area and a desulphurization residue treatment area are switched by switching the flue valves, so that the smooth dust removal work of the two areas is ensured, the condition that the dust removal operation of the area corresponding to the wet dust removal device cannot be carried out due to the failure or the overhaul of the wet dust removal device is avoided, the whole dust removal efficiency is influenced, and the effect of improving the production efficiency is achieved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a switchable wet dust removal structure for iron-steel slag treatment according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a casting slag treatment area according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a desulfurized slag treatment zone according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a dust removal duct according to an embodiment of the present invention.
In the figure:
1. a casting residue treatment area; 101. a casting residue treatment device; 102. a first complementary collection cover;
2. a desulfurized slag treatment zone; 201. a desulfurized slag treatment unit; 202. a second complementary collection cover;
3. a first wet dust removal device;
4. a second wet dust removal device;
5. an exhaust device;
6. a second flue valve;
7. a third flue valve;
8. a first flue valve;
9. a dust removal pipeline; 901. a first dust removal pipe; 902. a second dust removal pipe; 903. a third dust removal pipe; 904. a fourth dust removal pipe; 905. and a fifth dust removal pipe.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Referring to fig. 1-4, an embodiment of the present application provides a switchable wet dust removal structure for iron and steel slag treatment, including a casting residue treatment area 1, a desulphurization slag treatment area 2, a first wet dust removal device 3, a second wet dust removal device 4, an exhaust device 5, and a dust removal pipeline 9;
the casting residue processing area 1 comprises a casting residue processing device 101 and a first collecting cover 102, and the casting residue processing device 101 is communicated with a first dust removal pipe 901 through the first collecting cover 102; optionally, the casting residue treatment device 101 includes a casting residue tank, a first spray pipe and a first water injection system, one end of the first spray pipe is communicated with the first complementary cover 102, and the other end is communicated with the first water injection system, the first water injection system includes a first water tank, a first water pump, a first water injection pipe, one end of the first water injection pipe is communicated with the first spray pipe, and the other end is communicated with the first water pump, which is communicated with the first water tank, and the first water pump transmits water in the first water tank to the first spray pipe through the first water injection pipe.
The desulfurization slag treatment area 2 comprises a desulfurization slag treatment device 201 and a second collection cover 202, and the desulfurization slag treatment device 201 is communicated with a second dust removal pipe 902 through the second collection cover 202; optionally, the desulfurization slag treatment device 201 comprises a desulfurization slag tank, a second spray pipe and a second water pumping system, one end of the second spray pipe is communicated with the second supplementing and collecting cover 202, the other end of the second spray pipe is communicated with the second water pumping system, the second water pumping system comprises a second water tank, a second water pump and a second water injection pipe, one end of the second water injection pipe is communicated with the second spray pipe, the other end of the second water injection pipe is communicated with the second water pump, the second water pump is communicated with the second water tank, the second water pump transmits water in the second water tank to the second spray pipe through the second water injection pipe, optionally, the second water pumping system is further provided with a second electromagnetic flowmeter and a second electric regulating valve, the second electromagnetic flowmeter and the second electric regulating valve are used for controlling the water quantity and the flow rate of the second spray pipe, and flue gas is generated in the process of cooling the desulfurization slag in the second spray pipe.
The exhaust device 5 is respectively communicated with the first wet dust removal device 3 and the second wet dust removal device 4; optionally, the exhaust device 5 is an exhaust funnel;
the dust removing pipeline 9 comprises a first dust removing pipe 901, a second dust removing pipe 902, a third dust removing pipe 903, a fourth dust removing pipe 904 and a fifth dust removing pipe 905; one end of a first dust removal pipe 901 is communicated with the casting residue processing area 1, the other end is communicated with a third dust removal pipe 903, one end of a second dust removal pipe 902 is communicated with the desulfurization residue processing area 2, the other end is communicated with the third dust removal pipe 903, one end of a fourth dust removal pipe 904 is communicated with a second wet dust removal device 4, the other end is communicated with the third dust removal pipe 903, one end of a fifth dust removal pipe 905 is communicated with a first wet dust removal device 3, and the other end is communicated with the third dust removal pipe 903;
a first flue valve 8 is arranged in the fifth dust removing pipe 905, a second flue valve 6 is arranged in the fourth dust removing pipe 904, a third flue valve 7 is arranged in the third dust removing pipe 903, and the third flue valve 7 is positioned between the fourth dust removing pipe 904 and the fifth dust removing pipe 905.
In an optional embodiment, the switchable wet dust removal structure for iron and steel slag treatment further includes a control device, which is electrically connected to the first flue valve 8, the second flue valve 6, and the third flue valve 7, respectively, and is configured to control the first flue valve 8, the second flue valve 6, and the third flue valve 7 to open and close; alternatively, the control device may be a valve controller.
In this embodiment, the wet dedusting devices corresponding to the casting residue processing area 1 and the desulphurization slag processing area 2 are switched by switching the flue valves, so as to ensure that the dedusting work of the two areas is smoothly performed, and avoid the problem that the corresponding area cannot be dedusted due to the failure or maintenance of one wet dedusting device, which affects the overall dedusting efficiency, thereby achieving the effect of improving the production efficiency.
Referring to fig. 1 to 4, an embodiment of the present application further provides a switchable wet dust removal method for iron-steel slag treatment, including:
under the condition of normal operation, a valve controller controls a third flue valve 7 arranged in a third dust removal pipe 903 to be normally closed, a first flue valve 8 arranged in a fifth dust removal pipe 905 and a second flue valve 6 arranged in a fourth dust removal pipe 904 to be normally open, flue gas generated by treatment of a casting residue treatment device 101 in a casting residue treatment area 1 sequentially passes through a first supplementing cover 102, a first dust removal pipe 901, the third dust removal pipe 903 and the fourth dust removal pipe 904 and enters a second wet dust removal device 4 for dust removal treatment, flue gas generated in a desulphurization residue treatment area 2 sequentially passes through a second supplementing cover 202, a second dust removal pipe 902, the third dust removal pipe 903 and the fifth dust removal pipe 905 and enters a first wet dust removal device 3 for dust removal treatment, and flue gas treated by the first wet dust removal device 3 and the second wet dust removal device 4 is discharged through an exhaust device 5;
under the condition that the first wet dust removal device 3 cannot operate, the first flue valve 8 is closed through the valve controller, the second flue valve 6 and the third flue valve 7 are opened, flue gas generated in the casting residue processing area 1 sequentially passes through the first supplementing cover 102, the first dust removal pipe 901, the third dust removal pipe 903 and the fourth dust removal pipe 904 and enters the second wet dust removal device 4 for dust removal processing, flue gas generated in the desulphurization residue processing area 2 sequentially passes through the second supplementing cover 202, the second dust removal pipe 902, the third dust removal pipe 903 and the fourth dust removal pipe 904 and enters the second wet dust removal device 4 for dust removal processing, and the flue gas processed by the second wet dust removal device 4 is discharged through the exhaust device 5;
under the condition that the second wet dedusting device 4 cannot operate, the second flue valve 6 is closed through the valve controller, the first flue valve 8 and the third flue valve 7 are opened, flue gas generated in the casting residue processing area 1 sequentially passes through the first complementary collecting cover 102, the first dedusting pipe 901, the third dedusting pipe 903 and the fifth dedusting pipe 905 and enters the first wet dedusting device 3 for dedusting treatment, flue gas generated in the desulphurization residue processing area 2 sequentially passes through the second complementary collecting cover 202, the second dedusting pipe 902, the third dedusting pipe 903 and the fifth dedusting pipe 905 and enters the first wet dedusting device 3 for dedusting treatment, and flue gas treated by the first wet dedusting device 3 is discharged through the exhaust device 5.
In this embodiment, through opening and closing of control flue valve, switch and cast the wet dedusting device that sediment processing area 1 and desulfurization sediment processing area 2 correspond to ensure that two regional dust removal work goes on smoothly, avoid because of a wet dedusting device trouble or maintenance, cause rather than the regional unable condition of carrying out the dust removal operation that corresponds, influence holistic dust collection efficiency, thereby reach the effect that improves production efficiency.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A switchable wet dust removal structure for iron and steel slag treatment is characterized by comprising a casting residue treatment area (1), a desulphurization slag treatment area (2), a first wet dust removal device (3), a second wet dust removal device (4) and a dust removal pipeline (9);
the dedusting pipeline (9) comprises a first dedusting pipe (901), a second dedusting pipe (902), a third dedusting pipe (903), a fourth dedusting pipe (904) and a fifth dedusting pipe (905); one end of the first dust removal pipe (901) is communicated with the casting residue processing area (1), the other end of the first dust removal pipe is communicated with the third dust removal pipe (903), one end of the second dust removal pipe (902) is communicated with the desulphurization residue processing area (2), the other end of the second dust removal pipe is communicated with the third dust removal pipe (903), one end of the fourth dust removal pipe (904) is communicated with the second wet dust removal device (4), the other end of the fourth dust removal pipe is communicated with the third dust removal pipe (903), one end of the fifth dust removal pipe (905) is communicated with the first wet dust removal device (3), and the other end of the fifth dust removal pipe is communicated with the third dust removal pipe (903);
be provided with first flue valve (8) in fifth dust removal pipe (905), be provided with second flue valve (6) in fourth dust removal pipe (904), be provided with third flue valve (7) in third dust removal pipe (903), third flue valve (7) are located fourth dust removal pipe (904) with between fifth dust removal pipe (905).
2. The switchable wet dedusting structure for iron steel slag treatment according to claim 1, wherein the casting residue treatment area (1) comprises a casting residue treatment device (101) and a first complementary cover (102), and the casting residue treatment device (101) is communicated with the first dedusting pipe (901) through the first complementary cover (102).
3. The switchable wet dedusting structure for iron-steel slag treatment according to claim 1, wherein the desulfurization slag treatment area (2) comprises a desulfurization slag treatment device (201) and a second complementary cover (202), and the desulfurization slag treatment device (201) is communicated with the second dedusting pipe (902) through the second complementary cover (202).
4. The switchable wet dedusting structure for iron steel slag treatment according to any one of claims 1 to 3, further comprising an exhaust device (5), wherein the exhaust device (5) is respectively communicated with the first wet dedusting device (3) and the second wet dedusting device (4).
5. A switchable wet dedusting method for iron steel slag treatment is characterized by comprising the following steps:
under the condition of normal operation, a third flue valve (7) arranged in a third dust removal pipe (903) is normally closed, a first flue valve (8) arranged in a fifth dust removal pipe (905) and a second flue valve (6) arranged in a fourth dust removal pipe (904) are normally open, flue gas generated in a casting residue processing area (1) sequentially passes through the first dust removal pipe (901), the third dust removal pipe (903) and the fourth dust removal pipe (904) and enters a second wet dust removal device (4) for dust removal processing, and flue gas generated in a desulphurization residue processing area (2) sequentially passes through the second dust removal pipe (902), the third dust removal pipe (903) and the fifth dust removal pipe (905) and enters a first wet dust removal device (3) for dust removal processing;
under the condition that the first wet dust removal device (3) cannot operate, closing the first flue valve (8), opening the second flue valve (6) and the third flue valve (7), allowing flue gas generated in the casting residue processing area (1) to sequentially pass through the first dust removal pipe (901), the third dust removal pipe (903) and the fourth dust removal pipe (904) and enter the second wet dust removal device (4) for dust removal processing, and allowing flue gas generated in the desulphurization residue processing area (2) to sequentially pass through the second dust removal pipe (902), the third dust removal pipe (903) and the fourth dust removal pipe (904) and enter the second wet dust removal device (4) for dust removal processing;
under the condition that the second wet dust removal device (4) cannot operate, the second flue valve (6) is closed, the first flue valve (8) and the third flue valve (7) are opened, flue gas generated in the casting residue treatment area (1) sequentially passes through the first dust removal pipe (901), the third dust removal pipe (903) and the fifth dust removal pipe (905) to enter the first wet dust removal device (3) for dust removal treatment, and flue gas generated in the desulphurization residue treatment area (2) sequentially passes through the second dust removal pipe (902), the third dust removal pipe (903) and the fifth dust removal pipe (905) to enter the first wet dust removal device (3) for dust removal treatment.
6. The switchable wet dedusting method for iron steel slag treatment according to claim 5, wherein in the casting residue treatment area (1), flue gas generated by the casting residue treatment device (101) enters the first dedusting pipe (901) through the first complementary collection hood (102).
7. The switchable wet dedusting method for iron-steel slag treatment according to claim 5, wherein in the desulphurization slag treatment area (2), flue gas generated by the desulphurization slag treatment device (201) enters the second dedusting pipe (902) through the second complementary hood (202).
8. The switchable wet dedusting method for iron steel slag treatment according to any one of claims 5 to 7, wherein the flue gas in the first wet dedusting device (3) and the second wet dedusting device (4) is exhausted through an exhaust device (5) after being dedusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040073.2A CN115970417A (en) | 2023-01-12 | 2023-01-12 | Switchable wet dust removal structure and method for iron-steel slag treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040073.2A CN115970417A (en) | 2023-01-12 | 2023-01-12 | Switchable wet dust removal structure and method for iron-steel slag treatment |
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| Publication Number | Publication Date |
|---|---|
| CN115970417A true CN115970417A (en) | 2023-04-18 |
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ID=85962917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310040073.2A Pending CN115970417A (en) | 2023-01-12 | 2023-01-12 | Switchable wet dust removal structure and method for iron-steel slag treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115970417A (en) |
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2023
- 2023-01-12 CN CN202310040073.2A patent/CN115970417A/en active Pending
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