CN221131686U - Intelligent soot blower for SCR denitration of cement kiln - Google Patents
Intelligent soot blower for SCR denitration of cement kiln Download PDFInfo
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- CN221131686U CN221131686U CN202323106790.5U CN202323106790U CN221131686U CN 221131686 U CN221131686 U CN 221131686U CN 202323106790 U CN202323106790 U CN 202323106790U CN 221131686 U CN221131686 U CN 221131686U
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- reaction box
- pipe
- fixedly connected
- blower
- air
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- 239000004071 soot Substances 0.000 title claims abstract description 30
- 239000004568 cement Substances 0.000 title claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- 239000003054 catalyst Substances 0.000 claims abstract description 42
- 238000007664 blowing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 12
- 210000003437 trachea Anatomy 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 30
- 238000007599 discharging Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 20
- 239000003546 flue gas Substances 0.000 description 20
- 239000012535 impurity Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an intelligent soot blower for SCR denitration of a cement kiln, which comprises a reaction box, wherein a plurality of catalyst plates are arranged in the reaction box, a soot blowing mechanism is arranged at the top of the catalyst plate at the top, the soot blowing mechanism comprises a blower, a gas blowing pipe is arranged at one side of the blower, a gas blowing head is arranged at one end of the gas pipe, which is away from the blower, a soot discharging port is formed in the side wall of the reaction box at the top of the lower end of the catalyst plate at the top, a collecting box is fixedly connected to one side of the reaction box at the corresponding position of the soot discharging port, a soot discharging pipe is fixedly connected to the bottom of the collecting box, an end cover is connected to the outer side of the soot discharging pipe in a threaded manner, an air inlet mechanism is arranged at one side of the reaction box, and a water discharging mechanism is arranged at the bottom of the reaction box to clean dust on the catalyst plate, so that the catalyst plate is prevented from being blocked by dust and the use effect is influenced.
Description
Technical Field
The utility model belongs to the technical direction of flue gas denitration, and particularly relates to an intelligent soot blower for SCR denitration of a cement kiln.
Background
The existing low-nitrogen burner technology, decomposing furnace staged combustion technology and SNCR denitration technology are difficult to meet emission requirements, and a selective catalytic reduction method (SelectiveCatalyticReduction, SCR) is an efficient flue gas denitration technology, and the SCR denitration technology has efficient denitration efficiency and smaller ammonia escape characteristics.
When denitration treatment is carried out, a large amount of impurities or dust are contained in flue gas, the flue gas is extremely easy to agglomerate on the surface of the flue gas when passing through a catalyst, bridging and blocking are formed, and denitration efficiency is greatly reduced, so that the catalyst is usually required to be subjected to soot blowing treatment, when the catalyst is subjected to soot blowing treatment, the conventional soot blowing device only can blow off the dust on a catalyst plate, the dust is difficult to discharge into a reaction box, and the dust is easy to adsorb on the inner wall of the device.
Disclosure of utility model
The utility model aims at solving the problems in the background technology by aiming at the existing device, namely an intelligent soot blower for SCR denitration of a cement kiln.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a cement kiln SCR denitration intelligence soot blower, includes the reaction box, the internally mounted of reaction box has a plurality of catalyst boards, and the top of catalyst board is equipped with soot blowing mechanism, soot blowing mechanism includes the air-blower, the gas blow pipe is installed to one side of air-blower, and fixed connection between gas blow pipe and the reaction box, the one end that the gas pipe deviates from the air-blower is equipped with the gas blow head, and fixed connection between gas blow head and the reaction box, is located the lower one end top of catalyst board at top the ash discharge mouth has been seted up to the lateral wall of reaction box, one side of reaction box is at the corresponding position fixedly connected with collection box of ash discharge mouth, the bottom fixedly connected with ash pipe of collection box, the outside threaded connection of ash pipe has the end cover, inlet air mechanism is installed to one side of reaction box, the bottom of reaction box is equipped with drainage mechanism.
The utility model further describes that the cross section of the end cover is U-shaped, and the catalyst plate is a bevel plate.
The utility model further discloses that the air inlet mechanism comprises an air inlet pipe, the side wall of the reaction box is provided with an air inlet at the corresponding position of the air inlet pipe, a filter screen is arranged in the air inlet pipe, the bottom of the air inlet pipe is fixedly connected with a waste discharge pipe, the outer side of the waste discharge pipe is in threaded connection with a sealing cover, the inner side of the sealing cover is fixedly connected with a sealing gasket, and the sealing gasket is propped against the surface of the waste discharge pipe.
The utility model further discloses that the water draining mechanism comprises a guide plate, wherein a water draining hole is formed in the bottom of the reaction box at the corresponding position of the guide plate, and a water draining pipe is fixedly connected to the bottom of the reaction box at the corresponding position of the water draining hole.
The utility model further describes that the cross section of the guide plate is in a horn shape with a big top and a small bottom, and the size of the inner wall at the smallest position of the guide plate is equal to the size of the water outlet.
According to the utility model, one side of the reaction box is fixedly connected with the air outlet pipe, and the air outlet pipe is positioned at the top of the guide plate.
The utility model further discloses that the bottom of the reaction box is fixedly connected with a plurality of supporting frames, the supporting frames are positioned at four corners of the bottom of the reaction box, and the cross sections of the supporting frames are of inverted T-shaped structures.
Compared with the prior art, the beneficial effects that reach are: in the present utility model, the number of the components,
Dust in the flue gas which is not filtered off preliminarily remains on the catalyst plate when passing through the catalyst plate, the air blower is controlled to work, the air blower cleans the dust on the catalyst plate through the air blowing pipe and the air blowing head, and the dust enters the collecting box along the inclined plane and the dust discharging port of the catalyst plate, so that the dust on the catalyst plate is cleaned, the catalyst plate is prevented from being blocked by the dust, and the using effect is influenced.
When the flue gas passes through the air inlet pipe, the filter screen filters impurities or large-particle dust in the flue gas, the filtered impurities fall into the waste discharge pipe under the action of gravity, and under the action of the sealing cover and the sealing gasket, the impurities are stored in the waste discharge pipe, so that the impurities or the large-particle dust are prevented from entering the reaction box or being adsorbed on the inner wall of the device.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
Fig. 3 is an enlarged view of the a-section structure of the present utility model.
In the figure: 1. a reaction box; 2. a soot blowing mechanism; 21. a collection box; 22. a blower; 23. an air blowing pipe; 24. a blow head; 25. an ash discharge port; 26. an ash discharge pipe; 27. an end cap; 3. an air inlet mechanism; 31. an air inlet pipe; 32. an air inlet; 33. a filter screen; 34. a sealing gasket; 35. a waste discharge pipe; 36. sealing cover; 4. an air outlet pipe; 5. a support frame; 6. a catalyst plate; 7. a drainage mechanism; 71. a deflector; 72. a water outlet; 73. and (5) a water drain pipe.
Detailed Description
The technical scheme of the present utility model is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, 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.
Referring to fig. 1-3, the present utility model provides the following technical solutions: the utility model provides a cement kiln SCR denitration intelligence soot blower, including reaction box 1, the internally mounted of reaction box 1 has a plurality of catalyst plates 6, the top of catalyst plate 6 at top is equipped with soot blower mechanism 2, soot blower mechanism 2 includes air-blower 22, the air-blowing pipe 23 is installed to one side of air-blower 22, and fixed connection between air-blowing pipe 23 and the reaction box 1, the one end that the air-pipe deviates from air-blower 22 is equipped with blowhead 24, and fixed connection between blowhead 24 and the reaction box 1, the ash discharge opening 25 has been seted up to the lateral wall of reaction box 1 at the lower one end top of catalyst plate 6 at top, one side of reaction box 1 is in the corresponding position fixedly connected with collecting box 21 of ash discharge opening 25, the bottom fixedly connected with ash discharge pipe 26 of collecting box 21, the outside threaded connection of ash discharge pipe 26 has end cover 27, air inlet mechanism 3 is installed to one side of reaction box 1, the bottom of reaction box 1 is equipped with drainage mechanism 7.
After the flue gas enters the reaction box 1, the flue gas carries out reduction reaction through the catalyst plate 6, dust in the flue gas which is not preliminarily filtered is remained on the catalyst plate 6 when passing through the catalyst plate 6, the air blower 22 is controlled to work, the air blower 22 cleans the dust on the catalyst plate 6 through the air blowing pipe 23 and the air blowing head 24, and the dust enters the collecting box 21 along the inclined plane of the catalyst plate 6 and the ash discharge port 25, so that the dust on the catalyst plate 6 is cleaned, and after the device is stopped, the end cover 27 can be screwed to clean dust impurities in the collecting box 21.
The end cap 27 has a U-shaped cross section, and the catalyst plate 6 is a sloped plate.
The inclined plate is arranged so that dust can enter the collecting box 21 conveniently and dust can be cleaned conveniently.
The air inlet mechanism 3 comprises an air inlet pipe 31, an air inlet 32 is formed in the corresponding position of the air inlet pipe 31 on the side wall of the reaction box 1, a filter screen 33 is mounted in the air inlet pipe 31, a waste discharge pipe 35 is fixedly connected to the bottom of the air inlet pipe 31, a sealing cover 36 is connected to the outer side of the waste discharge pipe 35 in a threaded manner, a sealing gasket 34 is fixedly connected to the inner side of the sealing cover 36, and the sealing gasket 34 abuts against the surface of the waste discharge pipe 35.
One end of the air inlet pipe 31 is connected to an exhaust pipe of the production device, flue gas discharged from production enters the reaction box 1 through the air inlet pipe 31 and the air inlet 32, when the flue gas passes through the air inlet pipe 31, the filter screen 33 filters impurities or large-particle dust in the flue gas, the filtered impurities fall into the exhaust pipe 35 under the action of gravity, and under the action of the sealing cover 36 and the sealing gasket 34, the impurities are stored in the exhaust pipe 35, so that the impurities or the large-particle dust are prevented from entering the reaction box 1 or being adsorbed on the inner wall of the device.
The water draining mechanism 7 comprises a guide plate 71, a water draining hole 72 is formed in the bottom of the reaction box 1 at the corresponding position of the guide plate 71, and a water draining pipe 73 is fixedly connected to the bottom of the reaction box 1 at the corresponding position of the water draining hole 72.
The water produced by the reaction flows to the water outlet 72 through the guide plate 71 and is discharged out of the reaction tank 1 through the water outlet pipe 73, so that manual operation of an operator is not needed, and time and labor are saved.
The cross section of the deflector 71 is in a horn shape with a large upper part and a small lower part, and the size of the inner wall of the minimum part of the deflector 71 is equal to that of the water outlet 72.
The baffle 71 is shaped to facilitate rapid water flow to the drain 72 for rapid drainage.
One side of the reaction box 1 is fixedly connected with an air outlet pipe 4, and the air outlet pipe 4 is positioned at the top of the guide plate 71.
The arrangement of the air outlet pipe 4 can facilitate the ammonia gas generated by the reaction to be quickly discharged out of the reaction box 1.
The bottom fixedly connected with a plurality of support frames 5 of reaction tank 1, and support frames 5 are located the bottom four corners department of reaction tank 1, and the cross-section of support frames 5 is "T" shape structure of falling.
The support frame 5 with the inverted T-shaped cross section is arranged, so that the contact surface between the support frame 5 and the ground is larger, and the device is more stable to place.
During the use, the flue gas of production emission gets into reaction box 1 through intake pipe 31 and air inlet 32, when the flue gas passes through intake pipe 31, filter screen 33 filters impurity or large granule dust in the flue gas, the impurity that filters falls in exhaust pipe 35 under the effect of gravity, under sealed lid 36 and sealing washer 34, the impurity is stored in exhaust pipe 35, avoid impurity or large granule dust to get into reaction box 1 or adsorb in the device inner wall, long-time accumulation can influence the use of device, after the flue gas after the preliminary filtration gets into reaction box 1, the flue gas carries out the reduction reaction through catalyst plate 6, the dust that the flue gas was not filtered down by preliminary filtration remains on catalyst plate 6 when passing through catalyst plate 6, after a period of use, controlling means stops the work, then control blower 22 work, the dust on the catalyst plate 6 is cleared up to the air blower 22 through air blowing pipe 23 and air blowing head 24, the dust gets into collecting box 21 along the inclined plane and the ash discharge opening 25 of catalyst plate 6, thereby realize clearing up the dust on the catalyst plate 6 and block up the catalyst plate 6, the effect is avoided in the dust is stopped in the use of catalyst plate 6, can be used simply, after the end cover 31 and the end cover is moved, the end cover is convenient for use, the operation is convenient for use, the end cover is moved in the end cover 21.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus 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 present utility model.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a cement kiln SCR denitration intelligence soot blower, includes reaction tank (1), its characterized in that: internally mounted of reaction box (1) has a plurality of catalyst boards (6), and the top catalyst board (6)'s top is equipped with soot blowing mechanism (2), soot blowing mechanism (2) are including air-blower (22), blow pipe (23) are installed to one side of air-blower (22), and fixedly connected with between blow pipe (23) and reaction box (1), the one end that the trachea deviates from air-blower (22) is equipped with blow head (24), and fixedly connected with between blow head (24) and reaction box (1), is located catalyst board (6) lower one end top at the top lateral wall of reaction box (1) has been seted up ash discharge port (25), one side of reaction box (1) is in the corresponding position fixedly connected with collection box (21) of ash discharge port (25), the bottom fixedly connected with ash discharge pipe (26) of collection box (21), outside threaded connection of ash discharge pipe (26) has end cover (27), inlet air mechanism (3) are installed to one side of reaction box (1), the bottom of reaction box (1) is equipped with drain mechanism (7).
2. The intelligent soot blower for cement kiln SCR denitration according to claim 1, wherein: the cross section of the end cover (27) is U-shaped, and the catalyst plate (6) is a bevel plate.
3. The intelligent soot blower for cement kiln SCR denitration according to claim 1, wherein: the air inlet mechanism (3) comprises an air inlet pipe (31), an air inlet (32) is formed in the side wall of the reaction box (1) at the corresponding position of the air inlet pipe (31), a filter screen (33) is mounted in the air inlet pipe (31), a waste discharge pipe (35) is fixedly connected to the bottom of the air inlet pipe (31), a sealing cover (36) is connected to the outer side of the waste discharge pipe (35) in a threaded manner, a sealing gasket (34) is fixedly connected to the inner side of the sealing cover (36), and the sealing gasket (34) abuts against the surface of the waste discharge pipe (35).
4. The intelligent soot blower for cement kiln SCR denitration according to claim 1, wherein: the drainage mechanism (7) comprises a guide plate (71), a water outlet (72) is formed in the bottom of the reaction box (1) at the corresponding position of the guide plate (71), and a drain pipe (73) is fixedly connected to the bottom of the reaction box (1) at the corresponding position of the water outlet (72).
5. The intelligent soot blower for cement kiln SCR denitration according to claim 4, wherein: the cross section of the guide plate (71) is in a horn shape with a big top and a small bottom, and the size of the inner wall at the smallest position of the guide plate (71) is equal to the size of the water outlet (72).
6. The intelligent soot blower for cement kiln SCR denitration according to claim 1, wherein: one side of the reaction box (1) is fixedly connected with an air outlet pipe (4), and the air outlet pipe (4) is positioned at the top of the guide plate (71).
7. The intelligent soot blower for cement kiln SCR denitration according to claim 1, wherein: the bottom of reaction box (1) fixedly connected with a plurality of support frames (5), and support frames (5) are located the bottom four corners department of reaction box (1), and the cross section of support frames (5) is "T" shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323106790.5U CN221131686U (en) | 2023-11-17 | 2023-11-17 | Intelligent soot blower for SCR denitration of cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323106790.5U CN221131686U (en) | 2023-11-17 | 2023-11-17 | Intelligent soot blower for SCR denitration of cement kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221131686U true CN221131686U (en) | 2024-06-14 |
Family
ID=91422059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323106790.5U Active CN221131686U (en) | 2023-11-17 | 2023-11-17 | Intelligent soot blower for SCR denitration of cement kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221131686U (en) |
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2023
- 2023-11-17 CN CN202323106790.5U patent/CN221131686U/en active Active
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