CN220804572U - Desulfurizing absorption tower defroster washing unit - Google Patents
Desulfurizing absorption tower defroster washing unit Download PDFInfo
- Publication number
- CN220804572U CN220804572U CN202321637480.3U CN202321637480U CN220804572U CN 220804572 U CN220804572 U CN 220804572U CN 202321637480 U CN202321637480 U CN 202321637480U CN 220804572 U CN220804572 U CN 220804572U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- water
- desulfurization absorption
- circulating water
- flushing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 60
- 238000005406 washing Methods 0.000 title claims abstract description 15
- 230000003009 desulfurizing effect Effects 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 47
- 230000023556 desulfurization Effects 0.000 claims abstract description 47
- 238000011010 flushing procedure Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 16
- 239000003546 flue gas Substances 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a demister flushing device for a desulfurization absorption tower, which is applicable to the technical field of demisting of the desulfurization absorption tower. The differential pressure transmitter comprises a first detection pipeline and a second detection pipeline, and the first detection pipeline and the second detection pipeline respectively penetrate through the side wall of the desulfurization absorption tower and are arranged up and down at the demisting device. Compared with the prior art, the method has the advantages that: realize the jam monitoring to defogging device through differential pressure transmitter, realize the cyclic utilization of washing water through circulating water tank and circulating water pump's setting.
Description
Technical Field
The utility model relates to the technical field of demisting of a desulfurization absorption tower, in particular to a demister flushing device of the desulfurization absorption tower.
Background
The demister of the desulfurizing absorption tower mainly comprises a plate and a supporting device, is an important part of the desulfurizing tower, and has the function of capturing fog particles and slurry drops carried by flue gas in the spray absorption process. The main purpose that desulfurization absorption tower defroster washed is impurity such as the inside absorption liquid of washing defroster and dust to guarantee the normal operating and the dust removal efficiency of defroster. The desulfurizing tower can produce a large amount of absorption liquid when working, and these absorption liquid can adsorb and accumulate in the defroster, and defroster also can adsorb and accumulate a large amount of dust and particulate matter etc. simultaneously, and these all can influence defroster's work efficiency and life-span.
At present, most of flushing water of flushing devices at the demister of the desulfurization absorption tower adopts new water and is directly discharged from a slurry pool at the bottom of the absorption tower, so that a great amount of water resource waste is caused when the water resource waste is used for a long time, especially when the temperature of flue gas entering the desulfurization absorption tower is low, or only when the phenomenon that a chimney emits white smoke is reduced, if the new water is continuously used for flushing the demister, the waste of water resource is continuously increased. In addition, the flushing device in the market mostly adopts periodic flushing, and when the flue gas is too big, the periodic flushing time is not reached again, leads to easily to desulfurization absorption tower defroster to cause serious jam, leads to desulfurization system to shut down, the condition that the host computer stopped. Therefore, it is desirable to provide a desulfurization absorber demister flushing device in which flushing water is recyclable and which has a demister flushing monitoring function.
Disclosure of utility model
The utility model aims to solve the technical problems and provide a demister flushing device of a desulfurization absorption tower, which can recycle flushing water and has a demister flushing monitoring function.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
The utility model provides a desulfurization absorption tower defroster washing unit, includes desulfurization absorption tower, washing unit, flat defroster, circulating water tank, circulating water pump and differential pressure transmitter, is provided with the flue gas entry on the side of desulfurization absorption tower, and the top is provided with the flue gas export, and washing unit and flat defroster arrange from top to bottom in the desulfurization absorption tower, and lie in the top of flue gas entry respectively, and circulating water pump one end is connected with washing unit, and the other end passes through circulating water tank and is connected with the outlet that desulfurization absorption tower bottom set up.
The differential pressure transmitter comprises a first detection pipeline and a second detection pipeline, and the first detection pipeline and the second detection pipeline respectively penetrate through the side wall of the desulfurization absorption tower and are arranged up and down at the flat plate type demister.
Further, the circulating water tank comprises a water inlet, a water outlet and a filter plate, the filter plate separates the circulating water tank and is fixedly arranged in the circulating water tank, and the water inlet and the water outlet are respectively arranged on the left side and the right side of the filter plate.
The water inlet is connected with a water outlet at the bottom of the desulfurization absorption tower through a pipeline, and the water outlet is connected with a circulating water pump through a pipeline.
Further, the bottom of the circulating water tank at one side of the water inlet is provided with a sewage outlet. The outer side surface of the circulating water tank is provided with a water level display window. The circulating water tank and the circulating water pump are provided with a water supplementing tank and a three-way valve, and the three-way valve is respectively connected with the circulating water tank, the circulating water pump and the water supplementing tank through pipelines.
Compared with the prior art, the utility model has the advantages that: according to the utility model, through the differential pressure transmitter, the pressure of the air above the flat plate type demister is monitored through the first detection pipeline, the pressure of the air below the flat plate type demister is monitored through the second detection pipeline, and when the pressure values of the two sides are large in difference, the flat plate type demister needs to be washed, so that the washing monitoring of the flat plate type demister is realized. Meanwhile, through a water outlet arranged at the bottom of the desulfurization absorption tower, the washed water is discharged into a circulating water tank, the circulating water tank filters the sprayed and washed water and then is conveyed to a washing device through a water pump, and the washing device sprays and washes the flat-plate type demister, so that the cyclic use of the sprayed water is realized, and the water resource is saved.
Drawings
Fig. 1 is a schematic view of the appearance of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
As shown in the figure: 1. a desulfurizing absorption tower; 2. a flushing device; 3. a flat plate type demister; 4. a differential pressure transmitter; 5. a circulating water pump; 6. a circulation water tank; 7. a three-way valve; 8. a water supplementing tank; 9. a flue gas inlet; 10. a flue gas outlet; 11. a spray header; 12. detecting a first pipeline; 13. detecting a second pipeline; 14. a water inlet; 15. a water outlet; 16. a filter plate; 17. a water level display window; 18. a valve; 19. a water distribution pipe.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment is implemented in specific manner:
The utility model provides a desulfurization absorption tower defroster washing unit, as shown in fig. 1 and 2, includes desulfurization absorption tower 1, washing unit 2, flat defroster 3, differential pressure transmitter 4, circulation tank 6, circulating water pump 5, three-way valve 7 and moisturizing case 8.
Specifically, as shown in fig. 1, the desulfurization absorption tower 1 includes a flue gas inlet 9 and a flue gas outlet 10, the flue gas inlet 9 is provided on a side wall of the desulfurization absorption tower 1 and is located at a middle lower portion of the desulfurization absorption tower 1, and the flue gas outlet 10 is provided at a top of the desulfurization absorption tower 1.
Specifically, as shown in fig. 1, the flushing device 2 includes a water distribution pipe 19 and a shower head 11; the left end of the water distribution pipe 19 is closed, the right end of the water distribution pipe 19 extends to the outer side of the desulfurization absorption tower 1 and is connected with a water outlet of the circulating water pump 5 through a water pipe, the left end of the water distribution pipe 19 is fixed on the right side wall of the desulfurization absorption tower 1, and a plurality of spray heads 11 are axially arranged at the bottom of the water distribution pipe 19. In addition, the location and number of the shower heads 11 may be arranged according to the openings of the flat plate mist eliminator 3, and the shape of the flushing device 2 may be a disk, a bar or other shape capable of flushing each opening on the mist eliminator.
Specifically, as shown in fig. 1, the flat-plate demister 3 is installed inside the desulfurization absorption tower 1, is located below the flushing device 2 and above the flue gas inlet 9, the flat-plate demister 3 mainly comprises fixing devices such as corrugated blades, plates and clamping strips, and the flat-plate demister 3 is a prior art well known to those skilled in the art.
Specifically, as shown in fig. 1, the differential pressure transmitter 4 is disposed on the outer wall of the desulfurization absorption tower 1, and the differential pressure transmitter 4 includes a first detection pipe 12 and a second detection pipe 13, the first detection pipe 12 passing through the desulfurization absorption tower 1 is disposed above the flat-plate demister 3, and the second detection pipe 13 passing through the desulfurization absorption tower 1 is disposed below the flat-plate demister 3. Through differential pressure transmitter 4's setting, can in time monitor the operating mode of flat defroster 3, when flat defroster 3 comparatively blocks up, differential pressure transmitter 4 detects that the pressure numerical value difference of both sides is great, and operating personnel will start flushing device 2 to spray the washing to flat defroster 3. The flat panel mist eliminator 3 is well known to those skilled in the art and both its method of use and control are well known.
Specifically, as shown in fig. 1 and 2, one end of the circulating water tank 6 is connected with a water outlet at the bottom of the desulfurization absorption tower 1 through a pipeline, and the circulating water tank 6 comprises a water inlet 14, a water outlet 15, a filter plate 16 and a water level display window 17; the top surface of circulation water tank 6 is provided with water inlet 14, filter 16 fixed mounting is in the inside of circulation water tank 6, and filter 16 separates circulation water tank 6 into two parts, and the left side part is the sewage cavity, and the right side part is the clear water cavity, and water inlet 14 sets up the top of circulation water tank 6, and is located one side of innumerable cavity, and delivery port 15 sets up the one side of the clear water cavity on the right side, and water level display window 17 is made for transparent material, and fixed dark commentaries on classics is on the curb plate of circulation water tank 6 front side, simultaneously, circulation water tank 6 still is provided with the drain, discharges the outside of circulation water tank 6 by the sewage impurity of filtering the separation in the circulation water tank 6 through the blowdown.
Specifically, as shown in fig. 1, the left side of the three-way valve 7 is connected with the water outlet 15 of the circulating water tank 6 through a pipeline, the right side of the three-way valve 7 is connected with the water supplementing tank 8 through a pipeline, and the upper side of the three-way valve 7 is connected with the circulating water pump 5 through a pipeline.
Specifically, as shown in the figure, one end of the circulating water pump 5 is connected with the three-way valve 7 through a pipeline, and the other end of the circulating water pump 5 is connected with the flushing device 2 through a pipeline.
Specifically, as shown in fig. 1, the water replenishing tank 8 is connected with the three-way valve 7 through a pipeline, and a valve 18 is arranged between the water replenishing tank 8 and the three-way valve 7, when the water quantity in the circulating water tank 6 is insufficient through the arrangement of the water replenishing tank 8, the three-way valve 7 sucks water in the water replenishing tank 8, and the water enters the flushing device 2 to flush the flat-plate demister 3, so that the water quantity of the circulating water tank 6 is replenished. The cleaning effect of the flushing device 2 on the flat-plate demister 3 is ensured.
Working principle:
When the device is used, the differential pressure of two sides of the flat-plate demister 3 displayed by the differential pressure transmitter 4 is large, an operator starts the circulating water pump 5, the circulating water pump 5 conveys clear water filtered by the filter plate 16 in the circulating water tank 6 to the flushing device 2 through the three-way valve 7, the flushing device 2 sprays and flushes the flat-plate demister 3 through the spray header 11, the flushed water enters the bottom of the desulfurization absorption tower 1, the flushed water is conveyed to the circulating water tank 6 through a water outlet at the bottom of the desulfurization absorption tower 1, and the circulating water tank 6 is conveyed to the flushing device 2 through the circulating water pump 5 after being filtered by the filter plate 16, so that circulation is formed. When the water storage of the circulating water tank 6 is insufficient, the valve 18 is opened, and the water of the water supplementing tank 8 is conveyed to the flushing device 2 through the three-way valve 7 and the circulating water pump 5, so that water circulation is formed again.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (7)
1. The utility model provides a desulfurization absorption tower defroster washing unit which characterized in that: the desulfurization absorption tower comprises a desulfurization absorption tower (1), a flushing device (2), a flat plate type demister (3), a circulating water tank (6), a circulating water pump (5) and a differential pressure transmitter (4), wherein a flue gas inlet (9) is formed in the side face of the desulfurization absorption tower (1), a flue gas outlet (10) is formed in the top of the desulfurization absorption tower, the flushing device (2) and the flat plate type demister (3) are arranged in the desulfurization absorption tower (1) up and down and are respectively located above the flue gas inlet (9), one end of the circulating water pump (5) is connected with the flushing device (2), and the other end of the circulating water pump (5) is connected with a water outlet formed in the bottom of the desulfurization absorption tower (1) through the circulating water tank (6);
The differential pressure transmitter (4) comprises a first detection pipeline (12) and a second detection pipeline (13), and the first detection pipeline (12) and the second detection pipeline (13) respectively penetrate through the side wall of the desulfurization absorption tower (1) and are arranged up and down at the flat plate type demister (3).
2. The desulfurizing absorption tower demister flushing device according to claim 1, wherein: the flushing device (2) comprises a water distribution pipe (19) and a spray header (11); the left end of the water distribution pipe (19) is closed, the right end of the water distribution pipe extends to the outer side of the desulfurization absorption tower (1) and is connected with a water outlet of the circulating water pump (5) through a water pipe, the left end of the water distribution pipe (19) is fixed on the right side wall of the desulfurization absorption tower (1), and a plurality of spray heads (11) are arranged at the bottom of the water distribution pipe (19) along the axial direction.
3. The desulfurizing absorption tower demister flushing device according to claim 1, wherein: the inside fixed mounting of circulation tank (6) has filter (16), be provided with water inlet (14) on the top surface of circulation tank (6), the bottom of side is provided with delivery port (15), and water inlet (14) and delivery port (15) set up respectively in the left and right sides of filter (16), water inlet (14) are connected with the outlet of desulfurization absorption tower (1) bottom through the pipeline, delivery port (15) are connected with circulating water pump (5) through the pipeline.
4. The desulfurizing absorption tower demister flushing device according to claim 1, wherein: the bottom of the circulating water tank (6) at one side of the water inlet (14) is provided with a sewage outlet.
5. The desulfurizing absorption tower demister flushing device according to claim 1, wherein: the outer side surface of the circulating water tank (6) is provided with a water level display window (17).
6. The desulfurizing absorption tower demister flushing device according to claim 1, wherein: the demister flushing device of the desulfurization absorption tower further comprises a three-way valve (7) and a water supplementing tank (8), wherein the three-way valve (7) is respectively connected with the circulating water tank (6), the circulating water pump (5) and the water supplementing tank (8) through pipelines.
7. The desulfurizing absorption tower demister flushing device according to claim 6, wherein: a valve (18) is arranged on a pipeline between the three-way valve (7) and the water supplementing tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637480.3U CN220804572U (en) | 2023-06-27 | 2023-06-27 | Desulfurizing absorption tower defroster washing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321637480.3U CN220804572U (en) | 2023-06-27 | 2023-06-27 | Desulfurizing absorption tower defroster washing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220804572U true CN220804572U (en) | 2024-04-19 |
Family
ID=90702176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321637480.3U Active CN220804572U (en) | 2023-06-27 | 2023-06-27 | Desulfurizing absorption tower defroster washing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220804572U (en) |
-
2023
- 2023-06-27 CN CN202321637480.3U patent/CN220804572U/en active Active
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