CN217473158U - Exhaust-heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise - Google Patents
Exhaust-heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise Download PDFInfo
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- CN217473158U CN217473158U CN202220845376.2U CN202220845376U CN217473158U CN 217473158 U CN217473158 U CN 217473158U CN 202220845376 U CN202220845376 U CN 202220845376U CN 217473158 U CN217473158 U CN 217473158U
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Abstract
The utility model belongs to the technical field of the flue gas is handled, especially, be a waste heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise, including waste heat boiler desulfurization liquid circulation pond, whirl board wet flue gas desulfurization tower and liquid caustic soda pond, be provided with the flue gas pipeline between waste heat boiler and the whirl board wet flue gas desulfurization tower, the inside in desulfurization liquid circulation pond is provided with desulfurization circulating pump entry filter, the output of desulfurization circulating pump entry filter is provided with the desulfurization circulating pump. The utility model discloses a setting up fretwork pipe, spiral nozzle and doctor solution delivery branch pipe, spiral nozzle can be less than 3 mm's debris through the diameter, and basket filter can filter the particulate matter of great particle diameter, anticorrosive lining piece and part anticorrosive cellosilk can avoid spiral nozzle to block up, and it is long when improving desulfurizing tower efficiency and use, has reduced the maintenance work volume, has effectively avoided the potential safety hazard of operation, and it is convenient to use simultaneously, with low costs, takes effect soon.
Description
Technical Field
The utility model relates to a flue gas treatment technical field specifically is a waste heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise.
Background
In the existing flue gas desulfurization technology of coal-fired boilers, wet desulfurization accounts for more than 85%, the main equipment of the wet flue gas desulfurization comprises a flue gas regenerator desulfurization tower, flue gas discharged from a boiler enters a desulfurization system after being dedusted by an electrostatic precipitator, the flue gas temperature is about 135 ℃, the flue gas is firstly cooled to about 95 ℃ through GGH, the lower the flue gas temperature entering the desulfurization tower is, the more S02 gas is dissolved in slurry to form HS03, namely, the lower temperature is favorable for SO2 absorption, therefore, the flue gas needs to be cooled by a water spray evaporation mode, and the flue gas temperature is reduced to about 60 ℃ and then enters the desulfurization tower for desulfurization.
The prior art has the following problems:
the inside nozzle that adopts of current desulfurization system easily appears the condition of blockking up, and the difficult clearance of changing of nozzle that blocks up influences desulfurization system's normal operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a waste heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise has solved the inside nozzle that adopts of desulfurization system that exists now and has easily appeared the condition of blockking up, and the difficult clearance of changing of nozzle of blockking up influences the problem of desulfurization system normal operation.
In order to achieve the above object, the utility model provides a following technical scheme: a waste heat boiler flue gas wet desulphurization system of a plate glass manufacturing enterprise comprises a waste heat boiler desulphurization liquid circulation pool, a spiral-flow plate wet desulphurization tower and a caustic soda liquid pool, wherein a flue gas pipeline is arranged between the waste heat boiler and the spiral-flow plate wet desulphurization tower, a desulphurization circulating pump inlet filter is arranged inside the desulphurization liquid circulation pool, a desulphurization circulating pump is arranged at the output end of the desulphurization circulating pump inlet filter, the output end of the desulphurization circulating pump is connected with a desulphurization liquid conveying pipeline, one end of the desulphurization liquid conveying pipeline is connected with a basket filter, the lower end of the spiral-flow plate wet desulphurization tower is provided with a desulphurization liquid return groove communicated with the desulphurization liquid circulation pool, one side of the spiral-flow plate wet desulphurization tower is provided with a chimney, the lower end of the desulphurization liquid circulation pool is provided with a liquid discharge pump, and the output end of the liquid discharge pump is provided with a desulphurization waste liquid pipeline, the output of desulfurization waste liquid pipeline is provided with the aeration tank, one side of aeration tank is provided with the sedimentation tank, one side of sedimentation tank is provided with the sediment stuff pump, one side of sediment stuff pump is provided with the pressure filter.
As an optimal technical scheme of the utility model, the centre of doctor solution circulation pond and liquid caustic soda pond is provided with liquid caustic soda pump and liquid caustic soda pipeline, the lower extreme in liquid caustic soda pond is provided with the liquid caustic soda, doctor solution circulation pond communicates with each other through liquid caustic soda pump, liquid caustic soda pipeline and liquid caustic soda pond.
As a preferred technical scheme of the utility model, the lower extreme of aeration tank is provided with the aeration fan, the lower extreme of sedimentation tank is provided with clearly (desulfurization waste liquid) and arranges outward, the desulfurization liquid circulation pond is linked together through positive displacement pump, desulfurization waste liquid pipeline and aeration tank, the sedimentation tank is linked together through sediment stuff pump and pressure filter, the output of pressure filter is provided with the desulfurization sediment and arranges outward.
As an optimal technical scheme of the utility model, the inside of whirl board wet flue gas desulfurization tower is provided with wet flue gas desulfurization spiral spraying system, wet flue gas desulfurization spiral spraying system is connected with desulfurization circulating pump entry filter through basket filter, doctor solution pipeline, desulfurization circulating pump.
As a preferred technical scheme of the utility model, wet flue gas desulfurization spiral spraying system's inside mainly includes fretwork pipe, spiral spraying nozzle and doctor solution delivery branch pipe, doctor solution delivery branch pipe is last to be furnished with two sets of spiral spraying assembly who comprises spiral spraying nozzle and fretwork pipe, and the fretwork pipe is the inside of central symmetric distribution at whirl board wet flue gas desulfurization tower.
Compared with the prior art, the utility model provides a waste heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise possesses following beneficial effect:
1. the waste heat boiler flue gas wet desulphurization system of the plate glass manufacturing enterprise is provided with the hollow-out pipe, the spiral nozzle and the desulphurization liquid conveying branch pipe, when the spiral nozzle is unblocked, the desulphurization liquid forms a spiral water curtain pattern through the spiral nozzle, the spiral nozzle is blocked, the desulphurization liquid partially forms an incomplete spiral water curtain pattern through the spiral nozzle, a plurality of fan-shaped water curtain patterns are partially formed through the hollow-out pipes, the spiral nozzle is completely blocked, the desulphurization liquid can still achieve a better desulphurization water curtain pattern by mutually overlapping the water curtain patterns formed by the hollow-out pipes, a better desulphurization effect is achieved, meanwhile, the spiral nozzle can pass sundries with the diameter smaller than 3mm, so that a basket filter with the pore diameter of 2.5mm is installed on the desulphurization liquid conveying pipeline, particulate matters with larger particle diameter can be filtered, an anti-corrosion fragment lining layer and partial anti-corrosion fiber yarns can avoid the blockage of the spiral nozzle, the efficiency of the desulfurizing tower is improved and long when using, has reduced the maintenance work volume, has effectively avoided the potential safety hazard of operation.
2. The wet flue gas desulfurization system of the waste heat boiler of the plate glass manufacturing enterprise can be used for the technical transformation of a spiral spraying desulfurization tower and a similar wet desulfurization tower, and has the advantages of convenient application, low cost and quick response.
Drawings
FIG. 1 is a flow chart of a wet flue gas desulfurization system of a waste heat boiler of a plate glass enterprise;
FIG. 2 is a schematic view of a basket filter;
FIG. 3 is a schematic structural view of a wet desulfurization spiral spray system;
FIG. 4 is a side view of the installation of a wet desulfurization spiral spray system;
fig. 5 is a top view of the installation of the wet desulphurization spiral spray system 8.
In the figure: 1. a waste heat boiler; 2. a flue gas duct; 3. a desulfurizing liquid circulating tank; 4. a desulfurization recycle pump inlet filter; 5. a desulfurization circulating pump; 6. a desulfurization liquid delivery conduit; 7. a basket filter; 8. a wet desulfurization spiral spray system; 9. a swirl plate wet desulfurization tower; 10. a desulfurization solution backflow groove; 11. a chimney; 12. liquid caustic soda; 13. a liquid caustic soda pool; 14. a liquid caustic pump; 15. a liquid caustic soda delivery pipeline; 16. a liquid discharge pump; 17. a desulfurization waste liquid pipeline; 18. an aeration tank; 19. an aeration fan; 20. a sedimentation tank; 21. discharging the desulfurization waste liquid; 22. a slurry pump; 23. a filter press; 24. discharging the desulfurization sediment; 25. a hollow pipe; 26. a spiral nozzle; 27. a desulfurizing liquid conveying branch pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-5, in this embodiment: a waste heat boiler flue gas wet desulphurization system of a plate glass manufacturing enterprise comprises a waste heat boiler 1, a desulphurization liquid circulation tank 3, a rotational flow plate wet desulphurization tower 9 and a liquid caustic soda tank 13, wherein a flue gas pipeline 2 is arranged between the waste heat boiler 1 and the rotational flow plate wet desulphurization tower 9, a desulphurization circulating pump inlet filter 4 is arranged inside the desulphurization liquid circulation tank 3, a desulphurization circulating pump 5 is arranged at the output end of the desulphurization circulating pump inlet filter 4, a desulphurization liquid conveying pipeline 6 is connected at the output end of the desulphurization circulating pump 5, a basket filter 7 is connected at one end of the desulphurization liquid conveying pipeline 6, a desulphurization liquid return runner 10 communicated with the desulphurization liquid circulation tank 3 is arranged at the lower end of the rotational flow plate wet desulphurization tower 9, a chimney 11 is arranged at one side of the rotational flow plate wet desulphurization tower 9, a liquid discharge pump 16 is arranged at the lower end of the desulphurization liquid circulation tank 3, and a desulphurization waste liquid pipeline 17 is arranged at the output end of the liquid discharge pump 16, an aeration tank 18 is arranged at the output end of the desulfurization waste liquid pipeline 17, a sedimentation tank 20 is arranged on one side of the aeration tank 18, a slurry pump 22 is arranged on one side of the sedimentation tank 20, and a filter press 23 is arranged on one side of the slurry pump 22.
In the embodiment, a liquid caustic soda pump 14 and a liquid caustic soda conveying pipeline 15 are arranged between the desulfurization liquid circulating tank 3 and the liquid caustic soda tank 13, liquid caustic soda 12 is arranged at the lower end of the liquid caustic soda tank 13, and the desulfurization liquid circulating tank 3 is communicated with the liquid caustic soda tank 13 through the liquid caustic soda pump 14 and the liquid caustic soda conveying pipeline 15, so that the structure is reasonable; the lower end of the aeration tank 18 is provided with an aeration fan 19, the lower end of the sedimentation tank 20 is provided with a clear (desulfurized waste liquid) discharge 21, the desulfurized liquid circulation tank 3 is communicated with the aeration tank 18 through a liquid discharge pump 16 and a desulfurized waste liquid pipeline 17, the sedimentation tank 20 is communicated with a filter press 23 through a slurry pump 22, and the output end of the filter press 23 is provided with a desulfurized sediment discharge 24 to realize discharge of separated waste; a wet desulphurization spiral spraying system 8 is arranged in the cyclone plate wet desulphurization tower 9, and the wet desulphurization spiral spraying system 8 is connected with a desulphurization circulating pump inlet filter 4 through a basket filter 7, a desulphurization liquid conveying pipeline 6 and a desulphurization circulating pump 5, so that the spraying area is increased, and the desulphurization efficiency is improved; the inside of wet flue gas desulfurization spiral spraying system 8 mainly includes fretwork pipe 25, spiral nozzle 26 and doctor solution delivery branch 27, is furnished with two sets of spiral spray assembly of constituteing by spiral nozzle 26 and fretwork pipe 25 on doctor solution delivery branch 27, and fretwork pipe 25 is central symmetric distribution in the inside of whirl board wet flue gas desulfurization tower 9, and structural design is ingenious.
The utility model discloses a theory of operation and use flow: the liquid caustic soda 12 is stored in a liquid caustic soda pool 13, when the desulfurization system is used, the liquid caustic soda 12 is conveyed to a desulfurization liquid circulation pool 3 by a liquid caustic soda pump 14, after proportioning, the desulfurization liquid is filtered by a desulfurization circulation pump 5 through a desulfurization circulation pump inlet filter 4 through a desulfurization liquid conveying pipeline 6 and a basket filter 7 arranged on the pipeline, and is conveyed to a three-layer wet desulfurization spiral spraying system 8 of a rotational flow plate wet desulfurization tower 9, a desulfurization liquid water curtain formed by the system is in high-speed hedging with the flue gas, the flue gas is washed, and the flue gas and the sulfur dioxide in the flue gas generate chemical reaction, so that dust particles and the sulfur dioxide in the flue gas are removed. The reacted desulfurization solution returns to a three-return zone of a desulfurization circulating pool through a desulfurization solution return ditch 10, the flue gas of a glass melting furnace is cooled to 170 ℃ through a waste heat boiler 1, and then enters a cyclone plate wet desulfurization tower 9 through a flue gas pipeline 2 to remove dust particles and sulfur dioxide in the flue gas, the reacted flue gas is sent to a chimney 11 through the flue gas pipeline 2 to be discharged after reaching the standard, the desulfurization solution cannot be used through multiple cycles, the desulfurization waste solution in the return zone of the desulfurization solution circulating pool 3 is sent to an aeration pool 18 through a desulfurization waste solution pipeline 17 through a liquid discharge pump 16, an aeration fan 19 carries out aeration treatment on the desulfurization waste solution in the aeration pool 18, the treated desulfurization waste solution is sent to a sedimentation pool 20 to be added with a medicine for sedimentation, the desulfurization waste solution is discharged outside 21, and the sediment is pumped into a filter press 23 through a sediment pump 22 to be discharged outside desulfurization sediment 24.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a waste heat boiler flue gas wet flue gas desulfurization system of sheet glass manufacturing enterprise, includes waste heat boiler (1), doctor solution circulation pond (3), whirl board wet flue gas desulfurization tower (9) and liquid caustic soda pond (13), its characterized in that: a flue gas pipeline (2) is arranged between the waste heat boiler (1) and the rotational flow plate wet desulphurization tower (9), a desulphurization circulating pump inlet filter (4) is arranged inside the desulphurization circulating pool (3), a desulphurization circulating pump (5) is arranged at the output end of the desulphurization circulating pump inlet filter (4), a desulphurization circulating pump (5) is connected at the output end of the desulphurization circulating pump (5) and is connected with a desulphurization liquid conveying pipeline (6), a basket filter (7) is connected at one end of the desulphurization liquid conveying pipeline (6), a desulphurization liquid return channel (10) communicated with the desulphurization liquid circulating pool (3) is arranged at the lower end of the rotational flow plate wet desulphurization tower (9), a chimney (11) is arranged at one side of the rotational flow plate wet desulphurization tower (9), a drainage pump (16) is arranged at the lower end of the desulphurization liquid circulating pool (3), and a desulphurization waste liquid pipeline (17) is arranged at the output end of the drainage pump (16), the output of desulfurization waste liquid pipeline (17) is provided with aeration tank (18), one side of aeration tank (18) is provided with sedimentation tank (20), one side of sedimentation tank (20) is provided with sediment stuff pump (22), one side of sediment stuff pump (22) is provided with pressure filter (23).
2. The wet flue gas desulfurization system for waste heat boilers of sheet glass manufacturing enterprises according to claim 1, characterized in that: a liquid caustic soda pump (14) and a liquid caustic soda conveying pipeline (15) are arranged between the desulfurizing liquid circulating tank (3) and the liquid caustic soda tank (13), liquid caustic soda (12) is arranged at the lower end of the liquid caustic soda tank (13), and the desulfurizing liquid circulating tank (3) is communicated with the liquid caustic soda tank (13) through the liquid caustic soda pump (14), the liquid caustic soda conveying pipeline (15).
3. The wet flue gas desulfurization system for waste heat boilers of sheet glass manufacturing enterprises according to claim 1, characterized in that: the lower extreme of aeration tank (18) is provided with aeration fan (19), the lower extreme of sedimentation tank (20) is provided with outer the arranging (21) of desulfurization waste liquid, desulfurization liquid circulation pond (3) are linked together through positive displacement pump (16), desulfurization waste liquid pipeline (17) and aeration tank (18), sedimentation tank (20) are linked together through sediment stuff pump (22) and pressure filter (23), the output of pressure filter (23) is provided with outer the arranging (24) of desulfurization sediment.
4. The wet flue gas desulfurization system for waste heat boilers of sheet glass manufacturing enterprises according to claim 1, characterized in that: the wet desulphurization system is characterized in that a wet desulphurization spiral spraying system (8) is arranged inside the cyclone plate wet desulphurization tower (9), and the wet desulphurization spiral spraying system (8) is connected with a desulphurization circulating pump inlet filter (4) through a basket filter (7), a desulphurization liquid conveying pipeline (6) and a desulphurization circulating pump (5).
5. The wet flue gas desulfurization system for waste heat boilers of sheet glass manufacturing enterprises according to claim 4, characterized in that: the inside of wet flue gas desulfurization spiral spraying system (8) mainly includes fretwork pipe (25), spiral nozzle (26) and doctor solution delivery branch pipe (27), doctor solution delivery branch pipe (27) are gone up to be furnished with two sets of spiral spraying assembly of constituteing by spiral nozzle (26) and fretwork pipe (25), and fretwork pipe (25) are the inside of central symmetry distribution at whirl board wet flue gas desulfurization tower (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220845376.2U CN217473158U (en) | 2022-04-13 | 2022-04-13 | Exhaust-heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220845376.2U CN217473158U (en) | 2022-04-13 | 2022-04-13 | Exhaust-heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise |
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| CN217473158U true CN217473158U (en) | 2022-09-23 |
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| CN202220845376.2U Active CN217473158U (en) | 2022-04-13 | 2022-04-13 | Exhaust-heat boiler flue gas wet flue gas desulfurization system of plate glass manufacturing enterprise |
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