CN220555702U - Steelmaking converter flue gas purification system based on heat energy recovery - Google Patents
Steelmaking converter flue gas purification system based on heat energy recovery Download PDFInfo
- Publication number
- CN220555702U CN220555702U CN202322092229.XU CN202322092229U CN220555702U CN 220555702 U CN220555702 U CN 220555702U CN 202322092229 U CN202322092229 U CN 202322092229U CN 220555702 U CN220555702 U CN 220555702U
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- tower body
- sealing
- flue gas
- heat energy
- box
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 238000009628 steelmaking Methods 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000000746 purification Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 238000012856 packing Methods 0.000 claims abstract description 39
- 238000012423 maintenance Methods 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 19
- 230000000670 limiting effect Effects 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims 10
- 230000000694 effects Effects 0.000 description 6
- 239000000779 smoke Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to the technical field of flue gas purification, and provides a steelmaking converter flue gas purification system based on heat energy recovery, which comprises a biomembrane packing tower, wherein the biomembrane packing tower comprises a tower body and biomembrane packing arranged in the tower body, and the key point is that: a semicircular maintenance window is arranged at a position on the tower body corresponding to the biomembrane packing, a sealing cover is arranged at the maintenance window, the sealing cover is detachably connected with the tower body, and the biomembrane packing is positioned between the upper end face and the lower end face of the sealing cover. The problems that the biomembrane packing tower in the related art needs to be maintained and replaced after being used for a long time, and the existing tower body is usually integrated, so that time and labor are wasted when the biomembrane packing tower is disassembled and replaced are solved.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to a steelmaking converter flue gas purification system based on heat energy recovery.
Background
The converter is a metallurgical furnace for blowing steelmaking or blowing sulfonium, the converter flue gas is brown dense smoke discharged in the converter blowing process, and the converter flue gas is a furnaceThe mixture of gas and smoke contains CO as main component and small amount of CO 2 And trace amounts of other high-temperature gases and smoke dust, the direct emission of the converter smoke gas can cause adverse effect on the environment, so that the converter smoke gas needs to be purified and then is emitted. The existing purification system generally comprises heat exchange equipment, dust removal equipment and a biomembrane packing tower, wherein the biomembrane packing tower needs to be maintained and replaced after being used for a long time, and the existing tower body is generally integrated, so that time and labor are wasted when the biomembrane packing is disassembled and replaced.
Disclosure of Invention
The utility model provides a steelmaking converter flue gas purification system based on heat energy recovery, which solves the problems that a biomembrane packing tower in the prior art needs to be maintained and replaced after being used for a long time, and the existing tower body is usually integrated, so that time and labor are wasted when the biomembrane packing tower is disassembled and replaced.
The technical scheme of the utility model is as follows: steelmaking converter flue gas clean system based on heat recovery, including the biofilm pack tower, the biofilm pack tower includes the tower body, and set up the biofilm pack in the tower body, the key lies in: a semicircular maintenance window is arranged at a position on the tower body corresponding to the biomembrane packing, a sealing cover is arranged at the maintenance window, the sealing cover is detachably connected with the tower body, and the biomembrane packing is positioned between the upper end face and the lower end face of the sealing cover.
Limiting grooves are formed in the inner walls of the upper end and the lower end of the sealing cover, limiting baffles are arranged at positions on the tower body corresponding to the limiting grooves, and the limiting baffles are clamped with the limiting grooves.
The inner wall of the upper end of the sealing cover is provided with a pressing plate, a through hole is formed in the position, corresponding to the pressing plate, on the limiting baffle plate, the inner end of the pressing plate penetrates through the through hole and then extends to the upper part of the biomembrane packing, and a gap is reserved between the pressing plate and the biomembrane packing.
The purification system further comprises a support ring arranged in the tower body, and the biofilm packing is placed above the support ring.
The two ends of the sealing cover are provided with first connecting plates, two sides of the maintenance window are provided with second connecting plates connected with the tower body, and the first connecting plates are in locking connection with the second connecting plates by means of the matching of the locking bolts and the locking nuts.
The tower body is provided with a first sealing groove at the position corresponding to the first sealing convex strips, and the first sealing convex strips are spliced and sealed with the first sealing groove.
The first connecting plates are provided with second sealing convex strips, the positions, corresponding to the second sealing convex strips, of the second connecting plates are provided with second sealing grooves, and the second sealing convex strips are spliced and sealed with the second sealing grooves.
The purifying system further comprises a filtering box, a liquid storage box and a conveying pump which are sequentially connected outside the tower body, and further comprises a heat exchange mechanism, a spray pipe arranged in the tower body and a spray header connected with the spray pipe, wherein the spray header is positioned above the biomembrane filler, the inlet end of the spray pipe is connected with the outlet end of the conveying pump, the inlet end of the filtering box is connected with the liquid outlet at the bottom of the tower body, and the flue gas outlet of the heat exchange mechanism is communicated with the flue gas inlet on the tower body.
The filter box comprises a box body, a box cover and a filter screen, wherein the box cover is buckled at the periphery of the upper end of the box body and connected with the box body, at least two filter screen channels are formed in the box cover, a mounting groove is formed in the periphery of the upper end of each filter screen channel, a cover plate detachably connected with the box cover is arranged in the mounting groove, the lower end of the filter screen passes through one of the filter screen channels and then contacts with the bottom of the box body, and the upper end of the filter screen contacts with the cover plate.
The bottom of the box body is provided with a slot, the width of the slot is linearly reduced from top to bottom, the lower end of the filter screen is sleeved with an inserting block matched with the slot in shape, and the inserting block is inserted into the slot.
The working principle and the beneficial effects of the utility model are as follows: a semicircular maintenance window is arranged at a position on the tower body corresponding to the biomembrane packing, a sealing cover is arranged at the maintenance window, the sealing cover is detachably connected with the tower body, and the biomembrane packing is positioned between the upper end face and the lower end face of the sealing cover. When the biomembrane filler needs to be disassembled, the sealing cover is firstly disassembled from the tower body, then the biomembrane filler is taken out from the tower body, and the sealing cover and the tower body are locked together after the biomembrane filler is assembled, so that the biomembrane filler is simple in structure, firm and reliable in connection, convenient and quick to disassemble and assemble, and time-saving and labor-saving.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the connection of the seal cover to the tower body in the present utility model.
FIG. 3 is a top view of the attachment of the seal cap to the tower of the present utility model.
Fig. 4 is a schematic structural view of the filter box in the present utility model.
In the figure: 1. the tower body, 2, biofilm packing, 3, sealing cover, 4, limit baffle, 5, clamp plate, 6, supporting ring, 7, first connecting plate, 8, second connecting plate, 9, locking bolt, 10, lock nut, 11, first sealing convex strip, 12, second sealing convex strip, 13, filter box, 13-1, box, 13-2, case lid, 13-3, filter screen, 14, liquid reserve tank, 15, delivery pump, 16, heat exchange mechanism, 17, spray pipe, 18, spray header, 19, filter screen passageway, 20, apron, 21, slot, 22, inserted block.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are intended to be encompassed within the scope of the present utility model.
The system comprises a biomembrane filler tower, wherein the biomembrane filler tower comprises a tower body 1 and biomembrane fillers 2 arranged in the tower body 1, a semicircular maintenance window is formed in a position, corresponding to the biomembrane fillers 2, on the tower body 1, a sealing cover 3 is arranged at the maintenance window, the sealing cover 3 is detachably connected with the tower body 1, and the biomembrane fillers 2 are positioned between the upper end face and the lower end face of the sealing cover 3. When the biomembrane packing 2 needs to be disassembled, the sealing cover 3 is firstly disassembled from the tower body 1, then the biomembrane packing 2 is taken out from the tower body 1, and the sealing cover 3 and the tower body 1 are locked together after the biomembrane packing 2 is assembled, so that the novel biomembrane packing machine is simple in structure, firm and reliable in connection, convenient and fast to disassemble, time-saving and labor-saving.
As a further improvement of the utility model, limit grooves are formed on the inner walls of the upper end and the lower end of the sealing cover 3, limit baffles 4 are arranged on the tower body 1 at positions corresponding to the limit grooves, and the limit baffles 4 are clamped with the limit grooves. As shown in fig. 2, when the sealing cover 3 is installed, the limit baffle 4 can play a limit role, when the sealing cover 3 is in contact with the limit baffle 4, the sealing cover cannot move continuously, the installation is in place, and the contact area between the sealing cover 3 and the tower body 1 can be increased by the limit baffle 4, so that the sealing effect is further improved.
As a further improvement of the utility model, the inner wall of the upper end of the sealing cover 3 is provided with a pressing plate 5, the limiting baffle 4 is provided with a through hole at a position corresponding to the pressing plate 5, the inner end of the pressing plate 5 passes through the through hole and then extends to the upper part of the biomembrane packing 2, and a gap is reserved between the pressing plate 5 and the biomembrane packing 2. As shown in fig. 2, after the sealing cover 3 is installed, the pressing plate 5 is located above the biomembrane packing 2, so that a limiting effect can be achieved, and the influence on the filtering effect caused by the large-amplitude up-and-down shaking of the biomembrane packing in the use process is avoided. A gap is reserved between the pressing plate 5 and the biological film filling material 2, when the sealing cover 3 is installed, the pressing plate 5 is not contacted with the biological film filling material 2, time and labor are saved during insertion, and the biological film filling material 2 can be prevented from being worn.
As a further development of the utility model, the purification system further comprises a support ring 6 arranged in the tower 1, the biofilm packing 2 being placed above the support ring 6. As shown in fig. 2, the biofilm pack 2 is directly placed above the support ring 6, so that time and labor are saved when the biofilm pack 2 is dismounted.
As a further development of the utility model, a first connecting plate 7 is arranged at both ends of the sealing cover 3, and a second connecting plate 8 connected with the tower body 1 is arranged at both sides of the maintenance window, and the first connecting plate 7 and the second connecting plate 8 are in locking connection by means of the cooperation of a locking bolt 9 and a locking nut 10. As shown in fig. 2 and 3, when the sealing cover 3 is spliced with the tower body 1, the first connecting plate 7 and the second connecting plate 8 are also spliced together, and the screw rod of the locking bolt 9 passes through the first connecting plate 7 and the second connecting plate 8 and then is in threaded connection with the locking nut 10, so that the first connecting plate 7 and the second connecting plate 8 are clamped between the screw cap of the locking bolt 9 and the locking nut 10, and the tower body is simple in structure, firm and reliable in connection, convenient and quick to assemble and disassemble, time-saving and labor-saving.
As a further improvement of the utility model, the end surfaces of the two ends of the sealing cover 3 are provided with first sealing convex strips 11, the tower body 1 is provided with first sealing grooves at positions corresponding to the first sealing convex strips 11, and the first sealing convex strips 11 are spliced and sealed with the first sealing grooves. As shown in fig. 3, the contact area between the sealing cover 3 and the tower body 1 can be increased by inserting the first sealing convex strips 11 into the first sealing groove, and the sealing effect can be further improved by the contact surfaces in multiple directions.
As a further improvement of the present utility model, the first connection plates 7 are provided with second sealing ribs 12, and the second connection plates 8 are provided with second sealing grooves at positions corresponding to the second sealing ribs 12, and the second sealing ribs 12 are in plug-in sealing with the second sealing grooves. As shown in fig. 3, the contact area between the sealing cover 3 and the tower body 1 can be further increased by inserting the second sealing convex strips 12 into the second sealing groove, and the sealing effect can be further improved by the contact surfaces in multiple directions.
As a further improvement of the utility model, the purification system also comprises a filter box 13, a liquid storage box 14 and a delivery pump 15 which are sequentially connected outside the tower body 1, and further comprises a heat exchange mechanism 16, a spray pipe 17 arranged in the tower body 1 and a spray header 18 connected with the spray pipe 17, wherein the spray header 18 is positioned above the biomembrane packing 2, the inlet end of the spray pipe 17 is connected with the outlet end of the delivery pump 15, the inlet end of the filter box 13 is connected with a liquid outlet at the bottom of the tower body 1, and the flue gas outlet of the heat exchange mechanism 16 is communicated with the flue gas inlet on the tower body 1. As shown in fig. 1, the converter flue gas firstly enters into the heat exchange mechanism 16, the heat exchange mechanism 16 recycles the heat energy carried by the converter flue gas, the cooled converter flue gas enters into the interior of the tower body 1 from the lower end of the tower body 1, meanwhile, the nutrient solution in the liquid storage tank 14 enters into the spray pipe 17 under the action of the delivery pump 15 and is sprayed out by the spray header 18, the converter flue gas is contacted with the biofilm packing 2 and the nutrient solution for purification in the rising process, the purified converter flue gas is discharged from the top of the tower body 1, and the fallen nutrient solution is filtered by the filter tank 13 and then returned to the liquid storage tank 14 for continuous use, so that the circulating can be realized.
As a further improvement of the utility model, the filter box 13 comprises a box body 13-1, a box cover 13-2 buckled on the periphery of the upper end of the box body 13-1 and connected with the box body, and a filter screen 13-3, wherein at least two filter screen channels 19 are formed in the box cover 13-2, a mounting groove is formed in the periphery of the upper end of each filter screen channel 19, a cover plate 20 which is detachably connected with the box cover 13-2 is arranged in the mounting groove, the lower end of the filter screen 13-3 passes through one of the filter screen channels 19 and then contacts with the bottom of the box body 13-1, and the upper end of the filter screen 13-3 contacts with the cover plate 20. As shown in fig. 4, under normal conditions, only one filter screen channel 19 is inserted with a filter screen 13-3, other filter screen channels 19 are all in an empty state and cover plates 20 are all installed above, when the filter screen 13-3 needs to be cleaned or replaced, the cover plates 20 above the empty filter screen channels 19 are detached firstly, then the lower ends of new filter screens 13-3 are inserted into the box body 13-1 through the filter screen channels 19, then the filter screens 13-3 are compressed by the cover plates 20, and then the filter screens 13-3 needing to be cleaned are detached, so that the normal use of the filter box 13 is not affected.
As a further improvement of the utility model, as shown in FIG. 4, the bottom of the box 13-1 is provided with the slot 21, the width of the slot 21 is linearly reduced from top to bottom, the lower end of the filter screen 13-3 is sleeved with the insert 22 matched with the shape of the slot 21, the insert 22 is inserted into the slot 21, the limit function can be achieved, the influence on the filtering effect caused by the inclination of the filter screen 13-3 is avoided, and the insert 22 is conveniently inserted into the slot 21 by the conical structure with wide upper part and narrow lower part.
Claims (10)
1. Steelmaking converter flue gas cleaning system based on heat recovery, including the biofilm packing tower, the biofilm packing tower includes tower body (1), and set up biofilm packing (2) in tower body (1), its characterized in that: a semicircular maintenance window is arranged at a position on the tower body (1) corresponding to the biomembrane packing (2), a sealing cover (3) is arranged at the maintenance window, the sealing cover (3) is detachably connected with the tower body (1), and the biomembrane packing (2) is positioned between the upper end face and the lower end face of the sealing cover (3).
2. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 1, wherein: limiting grooves are formed in the inner walls of the upper end and the lower end of the sealing cover (3), limiting baffles (4) are arranged at positions, corresponding to the limiting grooves, on the tower body (1), and the limiting baffles (4) are clamped with the limiting grooves.
3. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 2, wherein: the inner wall of the upper end of the sealing cover (3) is provided with a pressing plate (5), a through hole is formed in the position, corresponding to the pressing plate (5), of the limiting baffle plate (4), the inner end of the pressing plate (5) penetrates through the through hole and then extends to the upper part of the biomembrane packing (2), and a gap is reserved between the pressing plate (5) and the biomembrane packing (2).
4. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 1, wherein: the purification system also comprises a support ring (6) arranged in the tower body (1), and the biofilm packing (2) is arranged above the support ring (6).
5. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 1, wherein: two ends of the sealing cover (3) are provided with first connecting plates (7), two sides of the maintenance window are provided with second connecting plates (8) connected with the tower body (1), and the first connecting plates (7) and the second connecting plates (8) are in locking connection by means of matching of locking bolts (9) and locking nuts (10).
6. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 5, wherein: the sealing device comprises a tower body (1), wherein the end faces at two ends of a sealing cover (3) are provided with first sealing convex strips (11), first sealing grooves are arranged at positions corresponding to the first sealing convex strips (11) on the tower body (1), and the first sealing convex strips (11) are in plug-in sealing with the first sealing grooves.
7. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 5, wherein: the first connecting plates (7) are provided with second sealing convex strips (12), the positions, corresponding to the second sealing convex strips (12), of the second connecting plates (8) are provided with second sealing grooves, and the second sealing convex strips (12) are in plug-in sealing with the second sealing grooves.
8. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 1, wherein: the purifying system further comprises a filtering box (13), a liquid storage box (14) and a conveying pump (15) which are sequentially connected outside the tower body (1), and further comprises a heat exchange mechanism (16), a spray pipe (17) arranged in the tower body (1) and a spray header (18) connected with the spray pipe (17), wherein the spray header (18) is positioned above the biomembrane filler (2), the inlet end of the spray pipe (17) is connected with the outlet end of the conveying pump (15), the inlet end of the filtering box (13) is connected with the liquid outlet at the bottom of the tower body (1), and the flue gas outlet of the heat exchange mechanism (16) is communicated with the flue gas inlet on the tower body (1).
9. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 8, wherein: the filter box (13) comprises a box body (13-1), a box cover (13-2) buckled at the periphery of the upper end of the box body (13-1) and connected with the box body, and a filter screen (13-3), wherein at least two filter screen channels (19) are formed in the box cover (13-2), mounting grooves are formed in the periphery of the upper end of each filter screen channel (19), a cover plate (20) detachably connected with the box cover (13-2) is arranged in each mounting groove, the lower end of the filter screen (13-3) passes through one of the filter screen channels (19) and then contacts with the bottom of the box body (13-1), and the upper end of the filter screen (13-3) contacts with the cover plate (20).
10. The heat energy recovery-based steelmaking converter flue gas cleaning system according to claim 9, wherein: the bottom of the box body (13-1) is provided with a slot (21), the width of the slot (21) is linearly reduced from top to bottom, the lower end of the filter screen (13-3) is sleeved with an inserting block (22) matched with the slot (21) in shape, and the inserting block (22) is inserted with the slot (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092229.XU CN220555702U (en) | 2023-08-04 | 2023-08-04 | Steelmaking converter flue gas purification system based on heat energy recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092229.XU CN220555702U (en) | 2023-08-04 | 2023-08-04 | Steelmaking converter flue gas purification system based on heat energy recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220555702U true CN220555702U (en) | 2024-03-05 |
Family
ID=90050675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322092229.XU Active CN220555702U (en) | 2023-08-04 | 2023-08-04 | Steelmaking converter flue gas purification system based on heat energy recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220555702U (en) |
-
2023
- 2023-08-04 CN CN202322092229.XU patent/CN220555702U/en active Active
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