CN217188792U - Dry denitration hot-blast furnace device - Google Patents
Dry denitration hot-blast furnace device Download PDFInfo
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- CN217188792U CN217188792U CN202220360806.1U CN202220360806U CN217188792U CN 217188792 U CN217188792 U CN 217188792U CN 202220360806 U CN202220360806 U CN 202220360806U CN 217188792 U CN217188792 U CN 217188792U
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- conveying pipeline
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Abstract
The utility model discloses a dry denitration hot-blast furnace device, including hopper, feed mechanism and hot-blast furnace, the hopper sets up in feed mechanism top, and hopper exit linkage in feed mechanism entry, feed mechanism is connected with the conveying pipeline, feed mechanism exports and feeds through in the conveying pipeline, the hot-blast furnace sets up in the one end of conveying pipeline, the other end of conveying pipeline is provided with the fan, the fan sets up highly to be less than the hot-blast furnace sets up the height, through the direct reinforced and dry denitrifier of hopper, adopts dry process denitration, utilizes feed mechanism stirring release, reaches the time cost of control denitration, utilizes the fan to insufflate in the hot-blast furnace, reaches the dispersion even, improves the combustion effect, thereby prevents to remain and influence follow-up production.
Description
Technical Field
The utility model relates to a technical field of hot-blast furnace has especially related to a dry denitration hot-blast furnace device.
Background
Pulverized coal hot-blast furnace, pulverized coal through burning grinding makes, produce the hot air source, satisfy the industrial production demand, the NOx that the hot-blast furnace discharged mainly originates from the high temperature combustion of blast furnace gas or mixed gas, the nitrogen oxide that produces in the combustion process is mainly NO and NO2, collectively called NOx, the burning still can produce a certain amount of N2O under the low temperature condition, and for preventing to produce too much NOx polluted environment behind the coal burning in the boiler, deal with the coal and carry out denitration treatment, and the wet process denitration technology is adopted mostly now, but this kind of process time cost is higher, and lead to burning inadequately easily, and the pulverized coal after present denitration is easy to remain on the inner wall, influence follow-up production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dry denitration hot-blast furnace device to reach the time cost of control denitration, improve the combustion effect, prevent the remaining purpose of buggy.
The technical proposal of the utility model is as follows: the utility model provides a dry denitration hot-blast furnace device, includes hopper, feed mechanism and hot-blast furnace, the hopper sets up in feed mechanism top, and hopper exit linkage in feed mechanism entry, feed mechanism is connected with the conveying pipeline, feed mechanism exports and communicates in the conveying pipeline, the hot-blast furnace sets up in the one end of conveying pipeline, the other end of conveying pipeline is provided with the fan, the fan sets up highly to be less than the hot-blast furnace sets up the height.
Preferably, the feeding mechanism comprises a screw and a shell, a first opening communicated with the hopper is formed in the upper side of the shell, the screw is arranged inside the shell and used for pushing the processing materials, and a second opening communicated with the pipeline is formed in the shell.
Preferably, the feeding pipeline is arranged in an upward inclined manner according to the feeding direction, the fan is arranged at one end of the feeding pipeline close to the lower side, the hot blast stove is arranged at one end of the feeding pipeline close to the upper side, and a third opening connected to the feeding mechanism is formed in the curved surface of the feeding pipeline.
Preferably, the material conveying pipeline is connected to the side wall of the hot blast stove close to the upper section.
Preferably, the blowing direction of the fan is opposite to the material conveying pipeline.
Preferably, the material conveying pipeline is respectively connected with the feeding mechanism and the hot blast stove in a sealing manner.
Compared with the prior art, the following is the beneficial effects of the utility model: through the direct reinforced and dry denitration agent of hopper, adopt dry process denitration, utilize feed mechanism stirring to release, reach the time cost of control denitration, utilize the fan to blow in the hot-blast furnace, reach the dispersion even, improve combustion effect, thereby prevent to remain and influence follow-up production.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: hopper 1, feed mechanism 2, hot-blast furnace 3, conveying pipeline 4, fan 5, screw rod 21, casing 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it is understood that the terms "horizontal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "inner", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, only for the purpose of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as the limitation of the present invention.
The utility model relates to a dry denitration hot-blast furnace device, including hopper 1, feeding mechanism 2 and hot-blast furnace 3, hopper 1 sets up in 2 tops of feeding mechanism, and 1 exit linkage in feeding mechanism 2 entry of hopper, feeding mechanism 2 is connected with conveying pipeline 4, 2 exports of feeding mechanism communicate in conveying pipeline 4, hot-blast furnace 3 sets up in conveying pipeline 4's one end, conveying pipeline 4's the other end is provided with fan 5, fan 5 sets up highly to be less than hot-blast furnace 3 sets up the height.
The utility model relates to a dry denitration hot-blast furnace device directly feeds in raw material and dry denitration agent through hopper 1, adopts dry process denitration, utilizes 2 stirring of feed mechanism to release, reaches the time cost of control denitration, utilizes fan 5 to blow in hot-blast furnace 3, reaches the dispersion even, improves the combustion effect, thereby prevents to remain and influence follow-up production.
In this embodiment, the feeding mechanism 2 includes a screw 21 and a housing 22, a first opening communicated with the hopper 1 is opened on the upper side of the housing 22, the screw 21 is disposed inside the housing 22 for propelling the processing material, and the housing 22 is provided with a second opening communicated with the pipeline.
In this embodiment, the feeding pipeline 4 is inclined upward according to the feeding direction, the fan 5 is disposed at one end of the feeding pipeline 4 close to the lower side, the hot-blast stove 3 is disposed at one end of the feeding pipeline 4 close to the upper side, and a third opening connected to the feeding mechanism 2 is disposed on the curved surface of the feeding pipeline 4.
In this embodiment, the material conveying pipeline 4 is connected to the side wall of the hot blast stove 3 near the upper section.
In this embodiment, the blowing direction of the fan 5 is opposite to the material conveying pipeline 4, and the processing material is blown into the hot blast stove 3 by the wind power of the fan 5.
In this embodiment, the material conveying pipeline 4 is respectively connected to the feeding mechanism 2 and the hot blast stove 3 in a sealing manner, and a sealing ring can be additionally installed.
Following is the utility model discloses a work flow, at first add buggy and dry denitration agent at hopper 1, the material powder enters into feed mechanism 2, utilizes feed mechanism 2 to release the material powder to the pipeline in, like the picture, drive screw 21 rotates, makes screw 21 promote the material powder and pushes away from a left side to the right side, and fan 5 operation simultaneously utilizes fan 5 to blow the material powder to hot-blast furnace 3 in, makes the material powder can the homodisperse in hot-blast furnace 3.
The above-mentioned embodiment is the preferred embodiment of the present invention, all with the similar structure of the present invention and the equivalent changes made all should belong to the protection category of the present invention.
Claims (6)
1. The utility model provides a dry denitration hot-blast furnace device which characterized in that: including hopper (1), feeding mechanism (2) and hot-blast furnace (3), hopper (1) sets up in feeding mechanism (2) top, and hopper (1) exit linkage in feeding mechanism (2) entry, feeding mechanism (2) are connected with conveying pipeline (4), feeding mechanism (2) export communicates in conveying pipeline (4), hot-blast furnace (3) set up in the one end of conveying pipeline (4), the other end of conveying pipeline (4) is provided with fan (5), fan (5) set up highly to be less than hot-blast furnace (3) set up the height.
2. The dry denitration hot blast stove device according to claim 1, characterized in that: feeding mechanism (2) is including screw rod (21) and casing (22), the first opening that communicates in hopper (1) is seted up to casing (22) upside, screw rod (21) set up inside casing (22) for impel the processing material, casing (22) are provided with and communicate in the second opening of pipeline.
3. The dry denitration hot blast stove device according to claim 1, characterized in that: the feeding mechanism is characterized in that the feeding pipeline (4) is arranged in an upward inclined mode according to the feeding direction, the fan (5) is arranged at one end, close to the lower side, of the feeding pipeline (4), the hot blast stove (3) is arranged at one end, close to the upper side, of the feeding pipeline (4), and a third opening connected to the feeding mechanism (2) is formed in the curved surface of the feeding pipeline (4).
4. The dry denitration hot blast stove device according to claim 1, characterized in that: the material conveying pipeline (4) is connected to the side wall, close to the upper section, of the hot blast stove (3).
5. The dry denitration hot blast stove device according to claim 1, characterized in that: the blowing direction of the fan (5) is opposite to the material conveying pipeline (4).
6. The dry denitration hot blast stove device according to claim 1, characterized in that: and the material conveying pipeline (4) is respectively connected with the feeding mechanism (2) and the hot blast stove (3) in a sealing way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220360806.1U CN217188792U (en) | 2022-02-22 | 2022-02-22 | Dry denitration hot-blast furnace device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220360806.1U CN217188792U (en) | 2022-02-22 | 2022-02-22 | Dry denitration hot-blast furnace device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217188792U true CN217188792U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220360806.1U Active CN217188792U (en) | 2022-02-22 | 2022-02-22 | Dry denitration hot-blast furnace device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217188792U (en) |
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2022
- 2022-02-22 CN CN202220360806.1U patent/CN217188792U/en active Active
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