CN220546793U - Coke oven flue gas desulfurization equipment - Google Patents
Coke oven flue gas desulfurization equipment Download PDFInfo
- Publication number
- CN220546793U CN220546793U CN202322051956.1U CN202322051956U CN220546793U CN 220546793 U CN220546793 U CN 220546793U CN 202322051956 U CN202322051956 U CN 202322051956U CN 220546793 U CN220546793 U CN 220546793U
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- China
- Prior art keywords
- flue gas
- heat exchange
- tower body
- coke oven
- communicated
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 239000003546 flue gas Substances 0.000 title claims abstract description 65
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 40
- 230000023556 desulfurization Effects 0.000 title claims abstract description 40
- 239000000571 coke Substances 0.000 title claims abstract description 24
- 239000007921 spray Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses coke oven flue gas desulfurization equipment, which belongs to the technical field of flue gas desulfurization, and comprises a tower body, wherein a first air inlet pipe is communicated with the outer side of the tower body close to the lower part of the tower body; when the flue gas of the coke oven is purified by the desulfurization equipment, the purified flue gas exchanges heat with the high-temperature flue gas before being purified by the heat exchange mechanism in the heat exchange box, so that the heat of the high-temperature flue gas before being purified can be recovered, the low-temperature flue gas of the purified flue gas can be heated, the energy can be effectively saved, and the purified flue gas can be directly discharged through the tower.
Description
Technical Field
The utility model relates to the technical field of flue gas desulfurization, in particular to coke oven flue gas desulfurization equipment.
Background
A boiler or a thermal power plant using coal or petroleum as a fuel emits a large amount of exhaust gas (flue gas) containing harmful substances, and desulfurization treatment of the flue gas is required, and desulfurization equipment is required.
Current coke oven flue gas desulfurization equipment, for example, publication No.: CN209271113U proposes a novel coke oven flue gas desulfurization device, through setting up the connecting device in the base bottom, through the pressure to the casing, make the locking piece press the spring to take place deformation, thereby make the locking piece outside slide in the fixed block is inboard, be connected by the draw-in groove of locking piece and outside coke oven exhaust pipe inboard again, sealing effect has been played to silica gel sealing washer and polytetrafluoroethylene sealing washer among the sealing mechanism, when need pull down, through pressing the locking piece, can make the casing by quick detach, and then wash inside the casing, the unable quick assembly disassembly that carries out to the desulfurization device that has solved, and the problem that the leakproofness is relatively poor.
When the existing coke oven flue gas desulfurization equipment is used, because the desulfurization is carried out through spraying, the temperature of the purified flue gas is lower, the diffusion of the exhaust gas of a chimney is not facilitated, white smoke is easy to generate, secondary heating is needed, and therefore energy waste is needed to heat the purified flue gas, and the equipment is more wasteful and inconvenient to use.
Disclosure of Invention
The utility model aims to provide a coke oven flue gas desulfurization device, which can recover heat of high-temperature flue gas before purification, heat low-temperature flue gas of purified flue gas, effectively save energy and directly discharge the purified flue gas through a tower.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the coke oven flue gas desulfurization equipment comprises a tower body, wherein a first air inlet pipe is communicated with the outer side of the tower body close to the lower part, an air distribution plate is fixed in the tower body close to the upper part of the first air inlet pipe, air distribution holes are formed in the air distribution plate in an equidistant penetrating manner,
the inner side of the tower body, which is close to the upper part of the gas distribution plate, is provided with a packing layer, the inner wall of the tower body, which is close to the upper part of the first gas inlet pipe, is provided with a baffle, the bottom of the tower body is communicated with a liquid discharge pipe, the upper part of the packing layer is provided with a spraying mechanism, and the outer side of the tower body is provided with a heat exchange box;
the heat exchange box is far away from the tower body one end intercommunication has the second intake pipe, the heat exchange box other end is connected with first intake pipe through the outlet duct, heat exchange is carried out to the coke oven flue gas around the desulfurization through heat exchange mechanism in the heat exchange box.
Preferably, the spraying mechanism comprises a support, the internally mounted that the tower body is close to the packing layer top has the support, the mid-mounting of support has the installation tube, the top intercommunication of installation tube has the feed liquor hose, the bottom rotation of installation tube is connected with the shower head, gear motor is installed in the outside that the tower body corresponds the shower head, first switching-over gear is installed to the top of shower head, gear motor corresponds the axle head of first switching-over gear and installs the second switching-over gear.
Preferably, the first reversing gear and the second reversing gear are perpendicular to each other, and the first reversing gear is meshed with the second reversing gear.
Preferably, the heat exchange mechanism comprises a communication frame, the communication frame is symmetrically arranged on the upper side and the lower side of the heat exchange box, the communication frame is hollow, heat exchange pipes are equidistantly arranged between the communication frames, the top end of the tower body is communicated with the communication frame above through a first exhaust pipe, and a second exhaust pipe is communicated with the bottom below the communication frame.
Preferably, the communicating frames are communicated through heat exchange pipes, and the heat exchange pipes are made of aluminum alloy materials.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the flue gas of the coke oven is purified by the desulfurization equipment, the purified flue gas exchanges heat with the high-temperature flue gas before being purified by the heat exchange mechanism in the heat exchange box, so that the heat of the high-temperature flue gas before being purified can be recovered, the low-temperature flue gas of the purified flue gas can be heated, the energy can be effectively saved, and the purified flue gas can be directly discharged through the tower.
2. According to the utility model, when spraying desulfurization is carried out, the spray header 11 is used for spraying desulfurization liquid, meanwhile, the gear motor 12 is used for driving the second reversing gear 14 to rotate, the second reversing gear 14 is meshed with the first reversing gear 13 to drive the spray header 11 to rotate, so that the spray header 11 rotates during spraying, the spray header 11 can uniformly spray desulfurization liquid, dead angles are avoided during spraying, and the spray desulfurization is comprehensively carried out.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.
In the figure: 1. a tower body; 2. a first air inlet pipe; 3. an air distribution plate; 4. air holes are distributed; 5. a filler layer; 6. a baffle; 7. a liquid discharge pipe; 8. a bracket; 9. installing a pipe; 10. a liquid inlet hose; 11. a spray header; 12. a speed reducing motor; 13. a first reversing gear; 14. a second reversing gear; 15. a heat exchange box; 16. a second air inlet pipe; 17. an air outlet pipe; 18. a communication frame; 19. a heat exchange tube; 20. a first exhaust pipe; 21. and a second exhaust pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
referring to fig. 1 to 3, the present utility model provides a technical solution: the coke oven flue gas desulfurization equipment comprises a tower body 1, wherein a first air inlet pipe 2 is communicated with the outer side of the tower body 1 close to the lower part, an air distribution plate 3 is fixed in the tower body 1 close to the upper part of the first air inlet pipe 2, air distribution holes 4 are formed in the air distribution plate 3 in an equidistant penetrating manner,
a packing layer 5 is arranged on the inner side of the tower body 1, which is close to the upper part of the air distribution plate 3, a baffle 6 is arranged on the inner wall of the tower body 1, which is close to the upper part of the first air inlet pipe 2, the bottom of the tower body 1 is communicated with a liquid discharge pipe 7, a spraying mechanism is arranged above the packing layer 5, and a heat exchange box 15 is arranged on the outer side of the tower body 1;
one end of the heat exchange box 15, which is far away from the tower body 1, is communicated with a second air inlet pipe 16, the other end of the heat exchange box 15 is connected with the first air inlet pipe 2 through an air outlet pipe 17, and heat exchange is carried out on coke oven flue gas before and after desulfurization in the heat exchange box 15 through a heat exchange mechanism;
when purifying the coke oven flue gas through the desulfurization equipment, the flue gas after purifying carries out heat exchange with the high temperature flue gas before not purifying through heat exchange mechanism in heat exchange box 15, can retrieve the high temperature flue gas heat before not purifying, heats the flue gas low temperature flue gas after purifying, can effective energy saving, makes the flue gas after purifying can directly pass through the tower section of thick bamboo and discharges.
Referring to fig. 1 to 3, the spraying mechanism comprises a support 8, the support 8 is installed in the tower body 1 near the upper side of the packing layer 5, a mounting tube 9 is installed in the middle of the support 8, a liquid inlet hose 10 is communicated with the top end of the mounting tube 9, a spray header 11 is rotatably connected to the bottom end of the mounting tube 9, a gear motor 12 is installed on the outer side of the tower body 1 corresponding to the spray header 11, a first reversing gear 13 is installed above the spray header 11, a second reversing gear 14 is installed at the shaft end of the gear motor 12 corresponding to the first reversing gear 13, the first reversing gear 13 is perpendicular to the second reversing gear 14, the first reversing gear 13 is meshed with the second reversing gear 14, when desulfurization is performed by spraying, desulfurization liquid is sprayed through the spray header 11, meanwhile, the second reversing gear 14 drives the spray header 11 to rotate through meshing with the first reversing gear 13, the spray header 11 rotates while the spray header 11 rotates, the spray header 11 can uniformly spray desulfurization liquid, and dead angles are avoided.
Referring to fig. 1 to 3, the heat exchange mechanism includes a communication frame 18, the communication frame 18 is symmetrically installed on the upper and lower sides of the heat exchange box 15, the communication frame 18 is hollow, heat exchange tubes 19 are equidistantly installed between the communication frames 18, the top end of the tower body 1 is communicated with the communication frame 18 above through a first exhaust tube 20, the bottom of the communication frame 18 below is communicated with a second exhaust tube 21, the communication frames 18 are communicated through the heat exchange tubes 19, the heat exchange tubes 19 are made of aluminum alloy materials, purified flue gas enters the communication frame 18 above through the first exhaust tube 20, then enters the communication frame 18 below through the heat exchange tubes 19, then is discharged through the second exhaust tube 21, and meanwhile, the high-temperature flue gas enters the heat exchange box 15 through the second exhaust tube 16, and heat exchange between the high-temperature flue gas and the low-temperature flue gas can be recovered through the heat exchange tubes 19.
Working principle: this coke oven flue gas desulfurization equipment, when purifying the coke oven flue gas through desulfurization equipment, through the high temperature flue gas heat exchange that passes through heat exchange mechanism and unpurified preceding in heat exchange box 15 after purifying, can retrieve the high temperature flue gas heat before unpurified, heat the low temperature flue gas of flue gas after purifying, can effective energy saving, make the flue gas after purifying directly pass through the tower section of thick bamboo and discharge, and when spraying the desulfurization, spray the desulfurization liquid through spray header 11, drive second reversing gear 14 through gear motor 12 simultaneously and rotate, second reversing gear 14 drives spray header 11 through the meshing with first reversing gear 13, make spray header 11 self produce the rotation in the spraying, make spray header 11 can evenly spray the desulfurization liquid, avoid spraying and produce the dead angle, so that spray the desulfurization comprehensively, and the flue gas that passes through purifying passes through first blast pipe 20 and gets into the intercommunication frame 18 of top, afterwards, carry out the intercommunication frame 18 of below through heat exchange pipe 19, then discharge through second blast pipe 21, high temperature flue gas passes through second blast pipe 16 and gets into heat exchange box 15 through, carry out the high temperature flue gas recovery heat to the high temperature flue gas that does not carry out the high temperature heat recovery to the high temperature flue gas.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The coke oven flue gas desulfurization equipment comprises a tower body (1), and is characterized in that: the outer side of the tower body (1) close to the lower part is communicated with a first air inlet pipe (2), an air distribution plate (3) is fixed in the tower body (1) close to the upper part of the first air inlet pipe (2), air distribution holes (4) are formed in the air distribution plate (3) in an equidistant penetrating mode,
the novel air distribution device is characterized in that a packing layer (5) is arranged on the inner side, close to the upper portion of the air distribution plate (3), of the tower body (1), a baffle (6) is arranged on the inner wall, close to the upper portion of the first air inlet pipe (2), of the tower body (1), a liquid discharge pipe (7) is communicated with the bottom of the tower body (1), a spraying mechanism is arranged above the packing layer (5), and a heat exchange box (15) is arranged on the outer side of the tower body (1);
one end of the heat exchange box (15) far away from the tower body (1) is communicated with a second air inlet pipe (16), the other end of the heat exchange box (15) is connected with the first air inlet pipe (2) through an air outlet pipe (17), and heat exchange is carried out on coke oven flue gas before and after desulfurization in the heat exchange box (15) through a heat exchange mechanism.
2. The coke oven flue gas desulfurization apparatus of claim 1, wherein: the spraying mechanism comprises a support (8), wherein the tower body (1) is close to the internally mounted of the filler layer (5) top and is provided with the support (8), the middle part of the support (8) is provided with a mounting pipe (9), the top end of the mounting pipe (9) is communicated with a liquid inlet hose (10), the bottom end of the mounting pipe (9) is rotationally connected with a spray header (11), the outer side of the tower body (1) corresponding to the spray header (11) is provided with a gear motor (12), the upper side of the spray header (11) is provided with a first reversing gear (13), and the shaft end of the gear motor (12) corresponding to the first reversing gear (13) is provided with a second reversing gear (14).
3. The coke oven flue gas desulfurization apparatus of claim 2, wherein: the first reversing gear (13) is perpendicular to the second reversing gear (14), and the first reversing gear (13) is meshed with the second reversing gear (14).
4. The coke oven flue gas desulfurization apparatus of claim 1, wherein: the heat exchange mechanism comprises a communication frame (18), the upper side and the lower side of the heat exchange box (15) are symmetrically provided with the communication frame (18), the communication frame (18) is hollow, heat exchange pipes (19) are equidistantly arranged between the communication frames (18), the top end of the tower body (1) is communicated with the communication frame (18) above through a first exhaust pipe (20), and the bottom of the communication frame (18) below is communicated with a second exhaust pipe (21).
5. The coke oven flue gas desulfurization apparatus of claim 4, wherein: the communicating frames (18) are communicated through heat exchange tubes (19), and the heat exchange tubes (19) are made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051956.1U CN220546793U (en) | 2023-08-02 | 2023-08-02 | Coke oven flue gas desulfurization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051956.1U CN220546793U (en) | 2023-08-02 | 2023-08-02 | Coke oven flue gas desulfurization equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220546793U true CN220546793U (en) | 2024-03-01 |
Family
ID=90009443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322051956.1U Active CN220546793U (en) | 2023-08-02 | 2023-08-02 | Coke oven flue gas desulfurization equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220546793U (en) |
-
2023
- 2023-08-02 CN CN202322051956.1U patent/CN220546793U/en active Active
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