CN220633721U - Flue gas treatment device of coal-fired unit - Google Patents
Flue gas treatment device of coal-fired unit Download PDFInfo
- Publication number
- CN220633721U CN220633721U CN202322182968.8U CN202322182968U CN220633721U CN 220633721 U CN220633721 U CN 220633721U CN 202322182968 U CN202322182968 U CN 202322182968U CN 220633721 U CN220633721 U CN 220633721U
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- China
- Prior art keywords
- tower body
- flue gas
- coal
- gas treatment
- pipe
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 239000003546 flue gas Substances 0.000 title claims abstract description 52
- 238000011282 treatment Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 18
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 8
- 239000007921 spray Substances 0.000 abstract description 8
- 238000011221 initial treatment Methods 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a flue gas treatment device of a coal-fired unit, which relates to the field of flue gas treatment of the coal-fired unit and comprises a tower body, wherein the lower end of the tower body is communicated with an air inlet pipe, the middle part of the tower body is communicated with a liquid inlet pipe, one end of the liquid inlet pipe, which is positioned in the tower body, is connected with an annular pipe, a plurality of groups of atomizing spray heads are arranged on the annular pipe, the plurality of groups of atomizing spray heads are distributed in an annular shape, the upper end of the tower body is provided with a support frame, the inner side of the support frame is provided with a storage cylinder capable of holding active carbon, the upper end and the lower end of the storage cylinder are provided with detachable leakage net frames, the top of the tower body is provided with a sealing cover, the middle part of the sealing cover is connected with an air outlet pipe, the inner wall of the tower body is connected with two groups of mounting seats, the two groups of mounting seats are symmetrically distributed, and the bottom of the tower body is also provided with liquid discharge pipes. The ascending flue gas can be uniformly absorbed and treated by ammonia water; the flue gas subjected to primary treatment is adsorbed and treated by the activated carbon, and the flue gas treatment effect can be further improved by adopting the secondary flue gas treatment mode; in addition, the active carbon is convenient to replace.
Description
Technical Field
The utility model relates to the field of coal-fired unit flue gas treatment, in particular to a coal-fired unit flue gas treatment device.
Background
The coal-fired generator set is a mechanical device for converting chemical energy of fossil fuel such as coal into electric energy.
In the use process of some existing coal-fired units, nitrogen oxides in flue gas discharged from the coal-fired units are treated, ammonia water is directly sprayed, and when the air inflow of the flue gas is relatively large, the treatment and absorption efficiency of the nitrogen oxides in the flue gas is relatively low by directly spraying the ammonia water.
The utility model provides a through retrieving flue gas processing apparatus (publication number CN 209271145U) of coal-fired unit of chinese patent, includes the tower body, sets up the air inlet at the tower body lower extreme, sets up the gas outlet on the tower body upper end the tower body inner wall upper end is equipped with a spraying mechanism, spraying mechanism is including rotating the inlet tube of connecting on the tower body upper surface, installing the atomizer on the inlet tube, setting up and being used for driving the inlet tube pivoted driving piece that makes a round trip on the tower body upper surface, inlet tube one end stretches into the tower body inside, atomizer fixed connection stretches into on the one end of tower body at the inlet tube, through being equipped with a spraying mechanism that is used for spraying aqueous ammonia in tower body inner wall upper end, rotates at one end of the inlet tube and connects a inlet tube, through driving piece drive inlet tube rotation, through such setting, simple structure, convenient operation through driving the inlet tube rotation, improves the effect of absorption of aqueous ammonia to nitrogen oxide in the flue gas.
The flue gas discharged from the coal-fired unit can be treated by spraying ammonia water, but the flue gas is incompletely treated only by the ammonia water in the flue gas treatment process, and the incompletely treated flue gas is discharged into the air to cause environmental pollution.
Therefore, it is necessary to invent a flue gas treatment device for coal-fired units to solve the above problems.
Disclosure of Invention
The utility model aims to provide a flue gas treatment device of a coal-fired unit, which aims to solve the problem that incomplete flue gas treatment in the background technology can cause environmental pollution when being discharged into the air.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coal-fired unit flue gas processing apparatus, includes the tower body, the lower extreme intercommunication of tower body has the intake pipe, the middle part intercommunication of tower body has the feed liquor pipe, the feed liquor pipe is located the inside one end of tower body is connected with the ring pipe, be equipped with multiunit atomizer on the ring pipe, multiunit atomizer is annular distribution, the upper end of tower body is equipped with the support frame, the support frame inboard is equipped with the storage section of thick bamboo that can place the active carbon, the upper and lower end of storage section of thick bamboo is equipped with detachable and leaks the screen frame, the top of tower body is equipped with sealed lid, the middle part of sealed lid is connected with the outlet duct, the inner wall department of tower body is connected with the mount pad, the mount pad has two sets of, two sets of the mount pad is the symmetric distribution, the bottom of tower body still is equipped with the fluid-discharge tube.
Preferably, the air inlet pipe is provided with a first electromagnetic valve.
Preferably, the liquid inlet pipe is provided with a second electromagnetic valve.
Preferably, three groups of reinforcing ribs are arranged on the outer side of the annular pipe, and one end, away from the annular pipe, of each reinforcing rib is connected to the inner wall of the tower body.
Preferably, screw nuts are arranged in the support frame and the sealing cover, matched ball screws are arranged on the inner sides of the screw nuts, a group of guide rods are arranged on the mounting seats, and the guide rods are in sliding connection with the support frame and the sealing cover.
Preferably, a coupling is arranged at one end of the ball screw, the ball screw is connected with a power shaft through the coupling, and the power shaft is positioned above the other group of mounting seats.
Preferably, a driving motor is arranged on the other group of mounting seats, and the driving motor is connected with the power shaft.
The utility model has the technical effects and advantages that:
1. when the device is used, the flue gas generated by the coal-fired unit can be sent to the air inlet pipe, at the moment, the first electromagnetic valve on the air inlet pipe is opened, so that the flue gas is sent into the tower body, meanwhile, ammonia water is sent into the liquid inlet pipe, at the moment, the second electromagnetic valve on the liquid inlet pipe is opened, the ammonia water is led into the annular pipe through the liquid inlet pipe and uniformly sprayed downwards through a plurality of groups of atomizing nozzles on the annular pipe, and the rising flue gas can be uniformly absorbed and treated by the ammonia water, so that the treatment effect of the flue gas is improved;
2. the flue gas subjected to primary treatment in the utility model can rise to enter the storage cylinder through the lower side leakage screen frame, and then is upwards dispersed through the upper side leakage screen frame after being adsorbed by the activated carbon, and finally is discharged from the air outlet pipe at the top, so that the flue gas treatment effect can be further improved by adopting the secondary flue gas treatment mode;
3. when the active carbon in the storage cylinder needs to be replaced, the driving motor can be started, the power shaft drives the ball screw to rotate through the coupler, so that the sealing cover and the supporting frame move upwards out of the tower body under the action of the screw nut and the guide rod, and at the moment, a worker can replace the active carbon after removing the upper side screen frame from the storage cylinder, thereby being convenient for the worker to replace the active carbon.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the overall structure of a flue gas treatment device of a coal-fired unit.
FIG. 2 is a sectional view of the overall structure of a flue gas treatment device of a coal-fired unit.
Fig. 3 is a schematic structural view of a spray assembly in a flue gas treatment device of a coal-fired unit.
Fig. 4 is a schematic structural view of a replacement component in a flue gas treatment device for a coal-fired unit according to the present utility model.
Fig. 5 is a rear view of the overall structure of a flue gas treatment device for a coal-fired unit according to the present utility model.
In the figure: 1. a tower body; 2. an air inlet pipe; 3. a first electromagnetic valve; 4. a liquid inlet pipe; 5. a second electromagnetic valve; 6. an annular tube; 7. an atomizing nozzle; 8. reinforcing ribs; 9. a support frame; 10. a storage cylinder; 11. a screen frame is leaked; 12. sealing cover; 13. an air outlet pipe; 14. a lead screw nut; 15. a ball screw; 16. a coupling; 17. a power shaft; 18. a driving motor; 19. a guide rod; 20. a mounting base; 21. and a liquid discharge pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
The utility model provides a flue gas treatment device of a coal-fired unit, as shown in fig. 1-5, which comprises a tower body 1, wherein the tower body 1 is used for treating flue gas generated by the coal-fired unit, the lower end of the tower body 1 is communicated with an air inlet pipe 2, the air inlet pipe 2 can convey the flue gas generated by the coal-fired unit into the tower body 1, the middle part of the tower body 1 is communicated with a liquid inlet pipe 4, the liquid inlet pipe 4 can convey ammonia water into the tower body 1, one end of the liquid inlet pipe 4 positioned in the tower body 1 is connected with an annular pipe 6, a plurality of groups of atomizing spray heads 7 are arranged on the annular pipe 6, the plurality of groups of atomizing spray heads 7 are distributed in a ring shape, the plurality of groups of atomizing spray heads 7 on the annular pipe 6 can uniformly spray the ammonia water into the tower body 1, so that the flue gas can be uniformly treated by the ammonia water, the flue gas treatment effect is improved, a support frame 9 is arranged at the upper end of the tower body 1, a storage cylinder 10 capable of placing active carbon is arranged on the inner side of the support frame 9, the storage cylinder 10 is used for supporting the storage cylinder 10, a detachable drain screen frame 11 is arranged at the upper end and lower end of the storage cylinder 10, the storage cylinder 10 is conveniently replaced by the ammonia water, an annular pipe 6 is connected with an annular pipe 6, a plurality of groups of atomizing spray heads 7 are arranged on the annular pipe 6, the annular pipe 7 is distributed in a ring shape, the annular pipe 7 is distributed on the annular pipe 6, the annular pipe 6 is provided with a plurality of the annular pipe 12 is arranged on the tower 1, a sealing cover 12 is arranged, a base is arranged on the inner part, and a base is arranged on the inner part, and a base is arranged 20, and is arranged.
The air inlet pipe 2 is provided with a first electromagnetic valve 3, wherein the first electromagnetic valve 3 can control the air inlet flow of the flue gas in the air inlet pipe 2.
The liquid inlet pipe 4 is provided with a second electromagnetic valve 5, wherein the second electromagnetic valve 5 can control the liquid inlet flow of the ammonia water in the liquid inlet pipe 4.
The outside of ring pipe 6 is equipped with three sets of strengthening rib 8, and the one end that ring pipe 6 was kept away from to strengthening rib 8 is connected on the inner wall of tower body 1, and wherein strengthening rib 8 is used for improving the stability of ring pipe 6.
The inside of support frame 9 and sealed lid 12 all is equipped with lead screw nut 14, and the inboard of lead screw nut 14 is equipped with assorted ball 15, is equipped with guide bar 19 on a set of mount pad 20, and guide bar 19 and support frame 9 and sealed lid 12 sliding connection, wherein sealed lid 12 and support frame 9 upwards move out tower body 1 under the effect of lead screw nut 14 and guide bar 19, make things convenient for the staff to open the storage section of thick bamboo 10 on the support frame 9 and change the active carbon.
One end of the ball screw 15 is provided with a coupling 16, the ball screw 15 is connected with a power shaft 17 through the coupling 16, the power shaft 17 is positioned above the other group of mounting seats 20, and the power shaft 17 can transmit driving force to the ball screw 15 through the coupling 16.
The other group of mounting seats 20 are provided with driving motors 18, and the driving motors 18 are connected with the power shafts 17, wherein the driving motors 18 can provide stable driving force for the power shafts 17.
Working principle: when the device is used, flue gas generated by a coal-fired unit can be sent to the air inlet pipe 2, at the moment, the first electromagnetic valve 3 on the air inlet pipe 2 is opened, so that the flue gas is sent into the tower body 1, meanwhile, ammonia water is sent into the liquid inlet pipe 4, at the moment, the second electromagnetic valve 5 on the liquid inlet pipe 4 is opened, the ammonia water is led into the annular pipe 6 through the liquid inlet pipe 4, and is sprayed downwards uniformly through the plurality of groups of atomizing nozzles 7 on the annular pipe 6, so that the rising flue gas can be uniformly absorbed and treated by the ammonia water, and the flue gas treatment effect is improved; the smoke after primary treatment can rise to enter the storage cylinder 10 through the lower side leakage screen frame 11, and then is upwards dispersed through the upper side leakage screen frame 11 after being adsorbed by activated carbon, and finally is discharged from the air outlet pipe 13 at the top, so that the smoke treatment effect can be further improved by the secondary smoke treatment mode; when the active carbon in the storage cylinder 10 needs to be replaced, the driving motor 18 can be started, the power shaft 17 drives the ball screw 15 to rotate through the coupler 16, so that the sealing cover 12 and the supporting frame 9 move upwards out of the tower body 1 under the action of the screw nut 14 and the guide rod 19, and at the moment, a worker can replace the active carbon after removing the upper side leakage screen frame 11 from the storage cylinder 10, thereby being convenient for the worker to replace the active carbon.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a coal-fired unit flue gas processing apparatus, includes tower body (1), its characterized in that: the utility model discloses a tower body, including tower body (1), gas inlet pipe (2) are equipped with in the lower extreme intercommunication of tower body (1), the middle part intercommunication of tower body (1) has feed liquor pipe (4), feed liquor pipe (4) are located the inside one end of tower body (1) is connected with annular pipe (6), be equipped with multiunit atomizer (7) on annular pipe (6), multiunit atomizer (7) are annular distribution, the upper end of tower body (1) is equipped with support frame (9), the inboard storage section of thick bamboo (10) that can place the active carbon that is equipped with of support frame (9), the upper and lower extreme of storage section of thick bamboo (10) is equipped with detachable drain frame (11), the top of tower body (1) is equipped with sealed lid (12), the middle part of sealed lid (12) is connected with outlet duct (13), the inner wall department of tower body (1) is connected with mount pad (20), mount pad (20) have two sets of, two sets of mount pad (20) are symmetric distribution, the bottom of tower body (1) still is equipped with drain pipe (21).
2. The coal-fired unit flue gas treatment device according to claim 1, wherein: the air inlet pipe (2) is provided with a first electromagnetic valve (3).
3. The coal-fired unit flue gas treatment device according to claim 1, wherein: the liquid inlet pipe (4) is provided with a second electromagnetic valve (5).
4. The coal-fired unit flue gas treatment device according to claim 1, wherein: the outside of ring pipe (6) is equipped with three sets of strengthening rib (8), the one end that strengthening rib (8) kept away from ring pipe (6) is connected on the inner wall of tower body (1).
5. The coal-fired unit flue gas treatment device according to claim 1, wherein: the support frame (9) with the inside of sealed lid (12) all is equipped with lead screw nut (14), the inboard of lead screw nut (14) is equipped with assorted ball (15), a set of be equipped with guide bar (19) on mount pad (20), guide bar (19) with support frame (9) and sealed lid (12) sliding connection.
6. The coal-fired unit flue gas treatment device according to claim 5, wherein: one end of the ball screw (15) is provided with a coupler (16), the ball screw (15) is connected with a power shaft (17) through the coupler (16), and the power shaft (17) is positioned above the other group of mounting seats (20).
7. The coal-fired unit flue gas treatment device according to claim 6, wherein: the other group of the installation seats (20) is provided with a driving motor (18), and the driving motor (18) is connected with the power shaft (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182968.8U CN220633721U (en) | 2023-08-14 | 2023-08-14 | Flue gas treatment device of coal-fired unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182968.8U CN220633721U (en) | 2023-08-14 | 2023-08-14 | Flue gas treatment device of coal-fired unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220633721U true CN220633721U (en) | 2024-03-22 |
Family
ID=90290162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182968.8U Active CN220633721U (en) | 2023-08-14 | 2023-08-14 | Flue gas treatment device of coal-fired unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220633721U (en) |
-
2023
- 2023-08-14 CN CN202322182968.8U patent/CN220633721U/en active Active
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