CN220478512U - Rotary kiln denitration and dust removal integrated device - Google Patents
Rotary kiln denitration and dust removal integrated device Download PDFInfo
- Publication number
- CN220478512U CN220478512U CN202322252686.0U CN202322252686U CN220478512U CN 220478512 U CN220478512 U CN 220478512U CN 202322252686 U CN202322252686 U CN 202322252686U CN 220478512 U CN220478512 U CN 220478512U
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- Prior art keywords
- shell
- rotary kiln
- water
- water pump
- dust removal
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- 239000000428 dust Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 92
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 238000000746 purification Methods 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 27
- 239000003546 flue gas Substances 0.000 abstract description 27
- 239000007921 spray Substances 0.000 abstract description 10
- 239000002918 waste heat Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000004568 cement Substances 0.000 description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 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
- 239000004576 sand Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of rotary kiln denitration and dust removal, and particularly relates to a rotary kiln denitration and dust removal integrated device which comprises a shell, wherein a base is arranged at the bottom of the shell, a water cavity is arranged at the inner side of the shell, an elbow is arranged at the inner side of the water cavity, an air outlet pipe is arranged outside the elbow, a first water pump is arranged at the outer side of the shell, an water outlet pipe and an air discharge pipe are arranged outside the first water pump, a water inlet pipe is arranged outside the shell, a purifying cavity is arranged at the inner side of the shell, a recovery pool is arranged at the bottom of the inner side of the purifying cavity, a second water pump is arranged outside the shell, an inlet pipe and an outlet pipe are arranged outside the second water pump, and a spray plate is arranged outside the outlet pipe. This rotary kiln denitration dust removal integrated device has reached can carry out the denitration to rotary kiln exhaust flue gas, can also retrieve the waste heat of flue gas in the dust removal, can also carry out reuse to denitration solution simultaneously, and then promotes the convenience of use to the setting of integration has reduced the volume of device greatly.
Description
Technical Field
The utility model relates to the technical field of rotary kiln denitration and dust removal, in particular to a rotary kiln denitration and dust removal integrated device.
Background
The rotary kiln is a rotary calcining kiln (commonly called a rotary kiln) and belongs to the class of building material equipment. Rotary kilns can be classified into cement kilns, metallurgical chemical kilns and lime kilns according to the materials to be treated. The cement kiln is mainly used for calcining cement clinker, and is divided into two main types, namely cement kiln produced by dry method and cement kiln produced by wet method. The metallurgical chemical kiln is mainly used for magnetizing roasting of lean iron ores in iron and steel plants in metallurgical industry; oxidizing and roasting chromium and nickel iron ores; roasting high alumina bauxite ore in a refractory material factory, roasting clinker in an aluminum factory and aluminum hydroxide; roasting chromium ore sand, chromium ore powder and other minerals in chemical plants. Lime kilns (i.e., active lime kilns) are used to calcine active lime and light burned dolomite for iron and steel plants and ferroalloy plants. The rotary kiln is divided into a reducing rotary kiln and an drift diameter rotary kiln according to the shape, and is divided into a cement rotary kiln, a ceramsite sand rotary kiln, a kaolin rotary kiln, a lime rotary kiln and the like according to the application, and is further divided into a gas rotary kiln, a coal-fired rotary kiln and a mixed fuel rotary kiln according to different energy supply effects.
The existing rotary kiln can discharge flue gas during operation, and because more harmful substances exist in the flue gas, direct discharge can lead to the pollution of the flue gas to the atmosphere, so that the existing rotary kiln is mostly provided with a pin-removal dust removal device for purifying the flue gas during operation, the functionality of the existing purification device is single, and meanwhile, the existing purification device is large in size and inconvenient to move.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a rotary kiln denitration and dust removal integrated device, which solves the problems that the existing rotary kiln can discharge smoke when working, and the existing rotary kiln is mostly provided with a denitration and dust removal device to purify the smoke when working because of the fact that the smoke is polluted by more harmful substances in the smoke and is directly discharged, and the existing purification device has single functionality and large volume and is inconvenient to move.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotary kiln denitration dust removal integrated device, which comprises an outer shell, the top of shell is provided with the gas outlet, the bottom of shell is provided with the base, the inboard of shell is provided with the water cavity, the inboard of water cavity is provided with the return bend, the outside of return bend is provided with the outlet duct, the outside of shell is provided with first water pump, the outside of first water pump is provided with outlet pipe and calandria, the outside of shell is provided with the inlet tube, the inboard of shell is provided with the purification chamber, the inboard bottom of purification chamber is provided with the recovery pond, the inboard of recovery pond is provided with the filter screen, the outside of shell is provided with the second water pump, the outside of second water pump is provided with into pipe and exit tube, the outside of exit tube is provided with the shower plate that has the shower nozzle, the inboard of purification chamber is provided with a plurality of active carbon filter plates.
As a preferable technical scheme of the utility model, one end of the bent pipe penetrates through the water cavity to be connected with the air pipe of the rotary kiln, the other end of the bent pipe penetrates through the water cavity to be connected with the air outlet pipe, and the air outlet pipe is distributed on the inner side of the purifying cavity.
As a preferable technical scheme of the utility model, two supporting plates are arranged on the outer side of the shell, and the first water pump and the second water pump are respectively distributed on the tops of the two supporting plates.
As a preferable technical scheme of the utility model, one end of the water outlet pipe, which is far away from the first water pump, is connected with the water cavity, the calandria is connected with the external water storage tank, and the water inlet pipe is connected with the water cavity.
As a preferable technical scheme of the utility model, a limiting plate is arranged on the inner side of the recovery tank, a filter screen is arranged at the top of the limiting plate through a plurality of bolts, and a drain pipe is arranged on the inner side of the recovery tank.
As a preferable technical scheme of the utility model, one end of the inlet pipe, which is far away from the second water pump, is connected with the recovery tank, and one end of the outlet pipe, which is far away from the second water pump, is connected with the spray plate through the shell, and the spray plate is distributed on the inner side of the shell.
As a preferable technical scheme of the utility model, the inner side of the purifying cavity is also provided with guide plates which are distributed above the air outlet pipe, and the outer part of the shell is provided with an access door.
Compared with the prior art, the utility model provides the rotary kiln denitration and dust removal integrated device, which has the following beneficial effects:
this rotary kiln denitration dust removal integrated device through setting up gas outlet, a pedestal, the water cavity, the return bend, the outlet duct, first water pump, the outlet pipe, the calandria, the inlet tube, the purification chamber, the recovery pond, the filter screen, the second water pump, the inlet tube, the exit tube, spray the board, the active carbon filter plate, during the use, use accessible inlet tube with water filling inlet intracavity, afterwards, the flue gas can get into the return bend during the rotary kiln during operation, can heat the water in the water cavity when the flue gas flows in the return bend, thereby realize the effect of retrieving the waste heat of flue gas, the flue gas gets into the outlet duct through the return bend, at this moment the flue gas can rise in purifying the intracavity, at this moment use the shower nozzle of accessible second water pump with the denitration solution in the recovery pond through the inlet tube discharge outlet tube, later spray through spraying the outside shower nozzle of board, at this moment can carry out denitration dust removal to the flue gas after the purification through the gas outlet discharge shell of gas outlet, and the denitration solution after the shower nozzle can get back to the recovery pond under the influence of gravity and purification chamber inner wall, afterwards can be utilized by the second water pump again, and can be carried out the filter, and the flue gas can be carried out the denitration device is carried out simultaneously with the filter, and the size is reduced, and the flue gas can be further has high to the convenient and high to realize the device.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
fig. 4 is a schematic view of a partial structure of the present utility model in three dimensions.
In the figure: 1. a housing; 2. an air outlet; 3. a base; 4. a water chamber; 5. bending the pipe; 6. an air outlet pipe; 7. a first water pump; 8. a water outlet pipe; 9. a calandria; 10. a water inlet pipe; 11. a purification chamber; 12. a recovery pool; 13. a filter screen; 14. a second water pump; 15. feeding a pipe; 16. a pipe outlet; 17. a spray plate; 18. an activated carbon filter plate.
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.
Referring to fig. 1 to 4, in the present embodiment: the utility model provides a rotary kiln denitration dust removal integrated device, which comprises a housing 1, the top of shell 1 is provided with gas outlet 2, the bottom of shell 1 is provided with base 3, the inboard of shell 1 is provided with water cavity 4, the inboard of water cavity 4 is provided with return bend 5, the outside of return bend 5 is provided with outlet duct 6, the outside of shell 1 is provided with first water pump 7, the outside of first water pump 7 is provided with outlet pipe 8 and calandria 9, the outside of shell 1 is provided with inlet tube 10, the inboard of shell 1 is provided with purification chamber 11, the inboard bottom of purification chamber 11 is provided with recovery pond 12, the inboard of recovery pond 12 is provided with filter screen 13, the outside of shell 1 is provided with second water pump 14, the outside of second water pump 14 is provided with into pipe 15 and exit tube 16, the outside of exit tube 16 is provided with the shower plate 17 that has the shower nozzle, the inboard of purification chamber 11 is provided with a plurality of active carbon filter plates 18.
One end of the elbow 5 penetrates through the water cavity 4 to be connected with the rotary kiln air pipe, the other end of the elbow 5 penetrates through the water cavity 4 to be connected with the air outlet pipe 6, the air outlet pipe 6 is distributed on the inner side of the purifying cavity 11, one end of the water outlet pipe 8, far away from the first water pump 7, is connected with the water cavity 4, the air outlet pipe 9 is connected with an external water storage tank, the water inlet pipe 10 is connected with the water cavity 4, so that water can be filled into the water cavity 4 through the water inlet pipe 10 when the rotary kiln is in operation, smoke can enter the elbow 5, at the moment, the smoke can heat the water in the water cavity 4 when flowing in the elbow 5, so that the effect of recycling the waste heat of the smoke is achieved, meanwhile, the user can discharge hot water in the water cavity 4 through the first water pump 7, the water outlet pipe 8 and the air outlet pipe 9, and then new water can be filled through the water inlet pipe 10 again.
The outside of shell 1 is provided with two fagging, first water pump 7, second water pump 14 distributes respectively at the top of two fagging, the inboard of recovery pond 12 is provided with the limiting plate, filter screen 13 passes through a plurality of bolts and installs the top at the limiting plate, make things convenient for change filter screen 13, simultaneously, filter screen 13 can filter denitration solution, avoid having the problem of jam intake pipe 15 such as dust in the denitration solution that has the flue gas to contact, the inboard of recovery pond 12 is provided with the blow off pipe, the one end that intake pipe 15 kept away from second water pump 14 is connected with recovery pond 12, the one end that second water pump 14 was kept away from to exit pipe 16 is passed shell 1 and is sprayed the board 17 and is connected, make flue gas get into outlet duct 6 through return pipe 5, at this moment the flue gas can rise in purifying chamber 11, at this moment use the shower nozzle of accessible second water pump 14 with the denitration solution in the recovery pond 12 through intake pipe 15 to spray, at this moment can carry out the denitration pin dust removal to the flue gas, and the filter back through 2 discharge shell 1 after the filtration of active carbon filter plate 18, and the shower nozzle is sprayed at the inner wall that the inside of the filter plate 1 that the dust removal pin is followed by the baffle is located at the inner side of the filter plate 1, the filter plate is further, the inside of the filter plate is set up at the inside of the filter plate 1 after the filter plate is sprayed to be used the dust removal plate is arranged at the inner side of the filter plate 1, the filter plate is further down the inner side of the filter plate is arranged at the inner side of the filter plate 1.
The working principle and the using flow of the utility model are as follows: during the use, use the accessible inlet tube 10 with water filling intake cavity 4 in, later the flue gas can get into return bend 5 when rotary kiln work, at this moment the flue gas can heat the water in the water cavity 4 when flowing in return bend 5, thereby realize retrieving the effect of waste heat of flue gas, flue gas gets into outlet duct 6 through return bend 5, this moment the flue gas can rise in purifying chamber 11, at this moment the denitration solution in the recovery pond 12 is discharged into outlet pipe 16 through intake pipe 15 to the accessible second water pump 14, later spray through the shower nozzle of spray plate 17 outside, at this moment can take out the round pin dust removal to the flue gas, and the flue gas after being purified discharges shell 1 through gas outlet 2 after the filtration of activated carbon filter plate 18, and the denitration solution after the shower nozzle sprays can get back to the recovery pond 12 under the influence of gravity and purifying chamber 11 inner wall after the flue gas is taken out of round pin, afterwards can be reused by second water pump 14, and filter screen 13 can filter denitration solution, avoid having the problem of dust etc. to block up intake pipe 15 with the denitration solution that the flue gas contacted.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. 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 rotary kiln denitration dust removal integrated device, includes shell (1), its characterized in that: the top of shell (1) is provided with gas outlet (2), the bottom of shell (1) is provided with base (3), the inboard of shell (1) is provided with water cavity (4), the inboard of water cavity (4) is provided with return bend (5), the outside of return bend (5) is provided with outlet duct (6), the outside of shell (1) is provided with first water pump (7), the outside of first water pump (7) is provided with outlet pipe (8) and calandria (9), the outside of shell (1) is provided with inlet tube (10), the inboard of shell (1) is provided with purification chamber (11), the inboard bottom of purification chamber (11) is provided with recovery pond (12), the inboard of recovery pond (12) is provided with filter screen (13), the outside of shell (1) is provided with second water pump (14), the outside of second water pump (14) is provided with into pipe (15) and exit tube (16), the outside of exit tube (16) is provided with shower plate (17) that have the shower nozzle, the inboard (11) is provided with purification chamber (11) active filter plate (18).
2. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: one end of the bent pipe (5) penetrates through the water cavity (4) to be connected with the rotary kiln air pipe, the other end of the bent pipe (5) penetrates through the water cavity (4) to be connected with the air outlet pipe (6), and the air outlet pipe (6) is distributed on the inner side of the purifying cavity (11).
3. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: two supporting plates are arranged on the outer side of the shell (1), and the first water pump (7) and the second water pump (14) are respectively distributed at the tops of the two supporting plates.
4. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: one end of the water outlet pipe (8) far away from the first water pump (7) is connected with the water cavity (4), the calandria (9) is connected with an external water storage tank, and the water inlet pipe (10) is connected with the water cavity (4).
5. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: the inside of recovery pond (12) is provided with the limiting plate, filter screen (13) are installed at the top of limiting plate through a plurality of bolts, the inside of recovery pond (12) is provided with the blow off pipe.
6. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: one end of the inlet pipe (15) far away from the second water pump (14) is connected with the recovery tank (12), one end of the outlet pipe (16) far away from the second water pump (14) penetrates through the shell (1) to be connected with the spraying plate (17), and the spraying plate (17) is distributed on the inner side of the shell (1).
7. The rotary kiln denitration and dust removal integrated device according to claim 1, wherein: the inside of the purification cavity (11) is also provided with guide plates which are distributed above the air outlet pipe (6), and an access door is arranged outside the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252686.0U CN220478512U (en) | 2023-08-22 | 2023-08-22 | Rotary kiln denitration and dust removal integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322252686.0U CN220478512U (en) | 2023-08-22 | 2023-08-22 | Rotary kiln denitration and dust removal integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220478512U true CN220478512U (en) | 2024-02-13 |
Family
ID=89827549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322252686.0U Active CN220478512U (en) | 2023-08-22 | 2023-08-22 | Rotary kiln denitration and dust removal integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220478512U (en) |
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2023
- 2023-08-22 CN CN202322252686.0U patent/CN220478512U/en active Active
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