CN214361494U - Dry-method ultra-clean emission dust removal device - Google Patents
Dry-method ultra-clean emission dust removal device Download PDFInfo
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- CN214361494U CN214361494U CN202120088516.1U CN202120088516U CN214361494U CN 214361494 U CN214361494 U CN 214361494U CN 202120088516 U CN202120088516 U CN 202120088516U CN 214361494 U CN214361494 U CN 214361494U
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Abstract
The utility model belongs to the technical field of the dust removal is used, specifically disclose a dry process ultra-clean discharges dust collector, including high temperature intermetallic compound bag dust collector, blowback pipe, first manual ball valve, first nitrogen gas blowback gas package, first control flap, first pneumatic valve, supplementary ash handling pipe, the defeated grey unit of strength ash handling pipe, second control flap, second pneumatic valve, first pipe, second pipe, the manual ball valve of second, the manual ball valve of third and pneumatic valve etc.. The beneficial effects of the utility model reside in that: 1. the high-temperature intermetallic compound filter bag is safe and reliable, has perfect safety measures, and has the advantages of impact resistance, high temperature resistance, magnetization resistance, good electric conduction and long service life; the energy is saved, the running resistance is low, the filtration is carried out by a dry-whole method, no water consumption is caused, no waste water and sludge are generated, and the energy is saved; 3. the expansibility is good, the temperature of the filtered gas is reduced to be lower than 10 ℃, and a proper temperature is created for the subsequent catalytic removal of the carbon monoxide in the flue gas.
Description
Technical Field
The utility model belongs to the technical field of remove dust and use, concretely relates to dry process ultra-clean discharges dust collector.
Background
When the converter is used for steelmaking, a large amount of primary flue gas with high temperature, toxicity and high dust content can be generated, and the main components of the primary flue gas comprise carbon monoxide and various dust particle pollutants.
At present, two processes, namely a dry process and a wet process, are commonly adopted for primary dust removal of a converter, and the dry process has certain energy-saving and technical advantages, so that the primary dust removal of the converter is mainly realized by the dry process, and the dry process dust removal process is that high-temperature flue gas at 1200 ℃ is cooled to about 800-1000 ℃ through a vaporization flue and then enters an evaporative cooler, is cooled to 200 ℃ by atomized water sprayed by an aerosol nozzle, and meanwhile, most coarse particles are intercepted. And the residual flue gas enters an electric dust collector, fine particles in the flue gas are adsorbed and removed under the electrostatic adsorption effect, the flue gas subjected to electrostatic dust collection enters a gas switching station under the action of a fan, qualified gas is recycled to a gas cabinet, and unqualified gas is diffused to the atmosphere through a chimney.
Because the converter has large blowing flue gas amount and large fluctuation, the electric dust remover is limited by the inherent technical bottlenecks of the electric dust remover such as back corona caused by high specific resistance dust, secondary dust caused by vibration, insufficient electric charge of fine dust and the like, the stable outlet discharge concentration of less than or equal to 10mg/Nm3 is difficult to realize, and the problems of large dust removal energy consumption, waste liquid and slurry treatment problem of water consumption and inconvenience for removing carbon monoxide from the subsequent discharged flue gas also exist.
Therefore, based on the above problem, the utility model provides a dry process ultra-clean discharges dust collector.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a dust collector is discharged to dry process ultra-clean, overall structure reasonable in design solves the problem that current traditional dry process dust removal exists, and its filtration resistance is low, reduce energy consumption, no water consumption, does not have waste liquid and mud to need to handle, can stably satisfy the requirement that export emission concentration is less than or equal to 10mg Nm3, and the simultaneous processing operation state is stable, efficient, safe, reliable.
The technical scheme is as follows: the utility model provides a dry-method ultra-clean emission dust removal device, which comprises a high-temperature intermetallic compound filter bag dust remover, a back-flushing pipe connected with the high-temperature intermetallic compound filter bag dust remover, a first manual ball valve connected with the back-flushing pipe, a first nitrogen back-flushing gas bag connected with a first manual ball valve, a first nitrogen back-flushing gas bag inlet pipe connected with the first nitrogen back-flushing gas bag, a high-temperature intermetallic compound filter bag dust remover outlet arranged on the high-temperature intermetallic compound filter bag dust remover, a high-temperature intermetallic compound filter bag dust remover inlet, a high-temperature intermetallic compound filter bag dust remover ash discharging port, an ash discharging pipe connected with the ash discharging port of the high-temperature intermetallic compound filter bag dust remover, first control valves arranged at two ends of the ash discharging pipe, first pneumatic valves, and auxiliary ash discharging pipes connected with the first pneumatic valves, and a pneumatic ash conveying unit connected with the auxiliary ash discharging pipes, and the pneumatic ash conveying unit ash discharging pipe is arranged on the pneumatic ash conveying unit, the second control valve and the second pneumatic valve are arranged at two ends of the pneumatic ash conveying unit ash discharging pipe, the first guide pipe and the second guide pipe are respectively connected with the inlet of the high-temperature intermetallic compound filter bag dust collector and the pneumatic ash conveying unit, the second guide pipe and the second manual ball valve and the third pneumatic valve are respectively arranged at one end of the first guide pipe and one end of the second guide pipe, and the third manual ball valve and the second pneumatic valve are respectively connected with the second manual ball valve and the third manual ball valve.
According to the technical scheme, the dry-method ultra-clean emission dust removal device further comprises an auxiliary back-flushing pipe connected with the high-temperature intermetallic compound filter bag dust remover, a second manual ball valve connected with the auxiliary back-flushing pipe, a second nitrogen back-flushing air bag connected with the second manual ball valve, a second nitrogen back-flushing air bag air inlet pipe connected with the second nitrogen back-flushing air bag, and a back-flushing guide pipe connected with the pneumatic ash conveying unit.
According to the technical scheme, the dry-method ultra-clean discharge dust removal device further comprises a pressure sensor and a temperature sensor which are arranged on the high-temperature intermetallic compound filter bag dust remover.
Compared with the prior art, the utility model discloses a dust collector is discharged to dry process ultra-clean's beneficial effect lies in: 1. the high-temperature intermetallic compound filter bag is safe and reliable, has perfect safety measures, and has the advantages of impact resistance, high temperature resistance, magnetization resistance, good electric conduction and long service life; the energy is saved, the running resistance is low, the filtration is carried out by a dry-whole method, no water consumption is caused, no waste water and sludge are generated, and the energy is saved; 3. the expansibility is good, the temperature of the filtered gas is reduced to be lower than 10 ℃, and a proper temperature is created for the subsequent catalytic removal of the carbon monoxide in the flue gas.
Drawings
Fig. 1 is a schematic structural diagram of a dry-method ultra-clean emission dust removal device of the utility model.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Example one
As shown in figure 1, a dry ultra-clean emission dust removal device comprises a high-temperature intermetallic compound filter bag dust remover 101, a back-flushing pipe 5 connected with the high-temperature intermetallic compound filter bag dust remover 101, a first manual ball valve 6 connected with the back-flushing pipe 5, a first nitrogen back-flushing air bag 103 connected with the first manual ball valve 6, a first nitrogen back-flushing air bag air inlet pipe 4 connected with the first nitrogen back-flushing air bag 103, a high-temperature intermetallic compound filter bag dust remover outlet 1 arranged on the high-temperature intermetallic compound filter bag dust remover 101, a high-temperature intermetallic compound filter bag dust remover inlet 2, a high-temperature intermetallic compound filter bag dust remover dust discharging port 3, an ash discharging pipe 17 connected with the high-temperature intermetallic compound filter bag dust discharging port 3, first control valves 16 arranged at two ends of the ash discharging pipe 17, a first pneumatic valve 18, and an auxiliary ash discharging pipe 22 connected with the first pneumatic valve 18, and a pneumatic ash conveying unit 102 connected with the auxiliary ash discharging pipe 22, a pneumatic ash conveying unit ash discharging pipe 21 arranged on the pneumatic ash conveying unit 102, a second control valve 19 and a second pneumatic valve 20 arranged at two ends of the pneumatic ash conveying unit ash discharging pipe 21, a first conduit 11 and a second conduit 12 respectively connected with the high-temperature intermetallic compound filter bag dust collector inlet 2 and the pneumatic ash conveying unit 102, a second manual ball valve 13 and a third manual ball valve 14 respectively arranged at one end of the first conduit 11 and one end of the second conduit 12, and a third pneumatic valve 15 respectively connected with the second manual ball valve 13 and the third manual ball valve 14.
Example two
As shown in figure 1, a dry ultra-clean emission dust removal device comprises a high-temperature intermetallic compound filter bag dust remover 101, a back-flushing pipe 5 connected with the high-temperature intermetallic compound filter bag dust remover 101, a first manual ball valve 6 connected with the back-flushing pipe 5, a first nitrogen back-flushing air bag 103 connected with the first manual ball valve 6, a first nitrogen back-flushing air bag air inlet pipe 4 connected with the first nitrogen back-flushing air bag 103, a high-temperature intermetallic compound filter bag dust remover outlet 1 arranged on the high-temperature intermetallic compound filter bag dust remover 101, a high-temperature intermetallic compound filter bag dust remover inlet 2, a high-temperature intermetallic compound filter bag dust remover dust discharging port 3, an ash discharging pipe 17 connected with the high-temperature intermetallic compound filter bag dust discharging port 3, first control valves 16 arranged at two ends of the ash discharging pipe 17, a first pneumatic valve 18, and an auxiliary ash discharging pipe 22 connected with the first pneumatic valve 18, and a pneumatic ash conveying unit 102 connected with the auxiliary ash discharging pipe 22, a pneumatic ash conveying unit ash discharging pipe 21 arranged on the pneumatic ash conveying unit 102, a second control valve 19 and a second pneumatic valve 20 arranged at two ends of the pneumatic ash conveying unit ash discharging pipe 21, a first conduit 11 and a second conduit 12 respectively connected with the high-temperature intermetallic compound filter bag dust collector inlet 2 and the pneumatic ash conveying unit 102, a second manual ball valve 13 and a third manual ball valve 14 respectively arranged at one end of the first conduit 11 and one end of the second conduit 12, a third pneumatic valve 15 respectively connected with the second manual ball valve 13 and the third manual ball valve 14, an auxiliary blowback pipe 7 connected with the high-temperature intermetallic compound filter bag dust collector 101, a fourth manual ball valve 10 connected with the auxiliary blowback pipe 7, a second nitrogen blowback bag 8 connected with the fourth manual ball valve 10, and a second nitrogen blowback air bag inlet pipe 9 connected with the second nitrogen blowback air bag 8, and a blowback conduit 23 connected to the pneumatic ash conveying unit 102.
The ultra-clean emission dust removal device of the method of the first or second structural embodiment further comprises a pressure sensor and a temperature sensor which are arranged on the high-temperature intermetallic compound filter bag dust remover 101, and is used for monitoring the internal operation state environment, facilitating field or remote control and realizing safe, stable and reliable production operation.
The method ultra-clean emission dust removal device in the first structural embodiment or the second structural embodiment adopts the dust removal device to perform fine dust removal after flue gas is subjected to electric dust removal, and can safely meet the requirement that the emission stability of the dry dust removal of the converter is less than or equal to 10mg/Nm 3.
In the ultra-clean emission dust removal device according to the first or second embodiment of the present invention, the high-temperature intermetallic compound filter bag dust collector 101 includes an original air chamber for accommodating the diffused gas to be filtered and a clean air chamber for accommodating the filtered gas.
In the ultra-clean emission dust removal device of the method of the first or second structural embodiment, the high-temperature intermetallic compound filter bag dust remover 101 is used for receiving gas to be removed, the interception of solid particles is completed by the high-temperature intermetallic compound filter bag, the intercepted particles are conveyed to the outside by the pneumatic ash conveying system, and the air inlet and the air outlet pressure transmitter (not shown in fig. 1) of the high-temperature intermetallic compound filter bag dust remover 101 judges the dust accumulation amount on the surface of the high-temperature intermetallic compound filter bag and judges whether to perform back flushing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (3)
1. The utility model provides a dry process ultra-clean discharges dust collector which characterized in that: including high temperature intermetallic compound bag dust remover (101), and blowback pipe (5) of being connected with high temperature intermetallic compound bag dust remover (101), and first manual ball valve (6) of being connected with blowback pipe (5), and first nitrogen gas blowback gas package (103) of being connected with first manual ball valve (6), and first nitrogen gas blowback gas package intake pipe (4) of being connected with first nitrogen gas blowback gas package (103), and set up high temperature intermetallic compound bag dust remover export (1) on high temperature intermetallic compound bag dust remover (101), high temperature intermetallic compound bag dust remover import (2), high temperature intermetallic compound bag dust remover ash discharging port (3), and ash discharging pipe (17) of being connected with high temperature intermetallic compound bag dust remover ash discharging port (3), and set up first control valve (16) at the both ends of ash discharging pipe (17), The device comprises a first pneumatic valve (18), an auxiliary ash discharging pipe (22) connected with the first pneumatic valve (18), a pneumatic ash conveying unit (102) connected with the auxiliary ash discharging pipe (22), a pneumatic ash conveying unit ash discharging pipe (21) arranged on the pneumatic ash conveying unit (102), second control valves (19) and second pneumatic valves (20) arranged at two ends of the pneumatic ash conveying unit ash discharging pipe (21), a first conduit (11) and a second conduit (12) respectively connected with a high-temperature intermetallic compound filter bag dust collector inlet (2) and the pneumatic ash conveying unit (102), and second manual ball valves (13) and third manual ball valves (14) respectively arranged at one ends of the first conduit (11) and the second conduit (12), and third pneumatic valves (15) respectively connected with the second manual ball valves (13) and the third manual ball valves (14).
2. The dry ultra-clean emission dust removal device according to claim 1, wherein: the dry-method ultra-clean emission dust removal device further comprises an auxiliary back-blowing pipe (7) connected with the high-temperature intermetallic compound bag dust collector (101), a fourth manual ball valve (10) connected with the auxiliary back-blowing pipe (7), a second nitrogen back-blowing air bag (8) connected with the fourth manual ball valve (10), a second nitrogen back-blowing air bag air inlet pipe (9) connected with the second nitrogen back-blowing air bag (8), and a back-blowing guide pipe (23) connected with the pneumatic ash conveying unit (102).
3. The dry ultra-clean emission dust removal device according to claim 1, wherein: the dry-method ultra-clean discharge dust removal device further comprises a pressure sensor and a temperature sensor which are arranged on the high-temperature intermetallic compound filter bag dust remover (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088516.1U CN214361494U (en) | 2021-01-13 | 2021-01-13 | Dry-method ultra-clean emission dust removal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120088516.1U CN214361494U (en) | 2021-01-13 | 2021-01-13 | Dry-method ultra-clean emission dust removal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646946A (en) * | 2021-01-13 | 2021-04-13 | 江苏苏仪集团有限公司 | Dry-method ultra-clean emission dust removal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112646946A (en) * | 2021-01-13 | 2021-04-13 | 江苏苏仪集团有限公司 | Dry-method ultra-clean emission dust removal device |
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