CN213000494U - A hot-blast reflux unit for slay miropowder processing - Google Patents
A hot-blast reflux unit for slay miropowder processing Download PDFInfo
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- CN213000494U CN213000494U CN202020243757.4U CN202020243757U CN213000494U CN 213000494 U CN213000494 U CN 213000494U CN 202020243757 U CN202020243757 U CN 202020243757U CN 213000494 U CN213000494 U CN 213000494U
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Abstract
The utility model discloses a hot-blast reflux unit for slay miropowder processing, blast furnace gas fires a hot-blast outlet pipe of exit linkage of burning furnace, the other end of hot-blast outlet pipe is connected on the pulverizer outer wall, automatically controlled valve one of installation on the pipeline of hot-blast outlet pipe, blast furnace gas fires burning furnace outer peripheral face upside and connects an intake pipe, connect a hot-blast back flow on the pulverizer outer peripheral face, the other end that hot-blast back flow is not connected with the pulverizer is connected on blast furnace gas fires burning furnace, one side that hot-blast back flow is close to blast furnace gas and fires burning furnace is equipped with the spiral pipeline, and this spiral pipeline encircles in the air inlet pipe way outside, automatically controlled valve two of installation on the hot-blast back flow, electropneumatic controller installs in the pulverizer outer wall outside, electropneumatic controller passing. The utility model discloses novel structure, can effectively adjust the temperature in the mill, have the advantage of energy saving simultaneously.
Description
Technical Field
The utility model relates to a hot-blast reflux unit for slay miropowder processing is applied to slay miropowder processing technical field.
Background
Blast furnace slag is a byproduct of blast furnace ironmaking in steel plants, is in the shape of light gray glass crystal particles after water quenching and quenching treatment, and belongs to industrial waste residue materials. Slag has been used as a cement admixture in China for over 40 years, but most of slag and cement clinker are ground together, and the slag cement admixture belongs to extensive application. Slag with "latent hydraulic" is the best mix for producing cement. The blast furnace water-quenched slag (water slag) is formed by water quenching and quenching the molten iron slag flowing out of an iron-making blast furnace, is in a microcrystalline state, has good activity, contains 80-90% of glass phase, and mainly comprises active minerals such as C2AS, CAS2, CS, C2S and the like. The annual slag of China is thousands of tons, and more than 50 percent of the annual slag is used as a mixed material for cement production.
In the slag micro powder processing process, blast furnace slag needs to be placed in a pulverizer for grinding, in the working process of the pulverizer, a corresponding heat tracing system needs to be configured, the heat tracing system is generally set as a combustion furnace, and heat generated by combustion of the combustion furnace is sent into the pulverizer.
SUMMERY OF THE UTILITY MODEL
For solving prior art scheme's defect, the utility model discloses a hot-blast reflux unit for slay miropowder processing, this application novel structure can effectively adjust the temperature in the grinding mill, has the advantage of energy saving simultaneously.
The utility model discloses a hot-blast reflux unit for slay miropowder processing, include: the device comprises a blast furnace gas combustion furnace, a pulverizer, a hot air outlet pipe, a first electric control valve, an air inlet pipe, a hot air return pipe, a second electric control valve, a temperature sensor and an electric controller, wherein the outlet of the blast furnace gas combustion furnace is connected with the hot air outlet pipe, the other end of the hot air outlet pipe is connected with the outer wall of the pulverizer, the hot air outlet pipe is communicated with the interior of the pulverizer, the first electric control valve is installed on a pipeline of the hot air outlet pipe, the upper side of the outer peripheral surface of the blast furnace gas combustion furnace is connected with the air inlet pipe, the outer peripheral surface of the pulverizer is connected with the hot air return pipe, the other end of the hot air return pipe, which is not connected with the pulverizer, is connected with the blast furnace gas combustion furnace, a spiral pipeline is arranged on one, the temperature sensor is inserted in the outer wall of the pulverizer, the electric controller is installed on the outer side of the outer wall of the pulverizer, and the electric controller is connected with the temperature sensor, the first electric control valve and the second electric control valve through signal lines.
And a vertical part is arranged on one side of the gas inlet pipeline close to the blast furnace gas combustion furnace, and the tail end of the vertical part is connected to the outer wall of the blast furnace gas combustion furnace.
The spiral pipeline on the hot air return pipe is spirally arranged on the vertical part on the air inlet pipeline.
The height of the vertical portion is at least 20 cm.
By adopting the technical scheme, the method has the following advantages:
the electric controller can receive signals of the temperature sensor and control the opening degrees of the first electric control valve and the second electric control valve according to the signals, so that the temperature of the pulverizer is effectively controlled; the heat carried by the hot air return pipe can heat the air inlet pipeline, so that the air inlet temperature in the air inlet pipeline is improved, and the effect of saving energy is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a hot air reflux device for slag micro powder processing of the utility model.
Wherein: 1-blast furnace gas combustion furnace; 2-a pulverizer; 3-a hot air outlet pipe; 4-a first electric control valve; 5, an air inlet pipe; 6-a hot air return pipe; 7-an electric control valve II; 8-a temperature sensor; 9-an electrical controller; 51-a vertical portion; 61-helical tube.
Detailed Description
As shown in fig. 1, the utility model discloses a hot-blast reflux unit for processing slay miropowder, include: the device comprises a blast furnace gas combustion furnace 1, a pulverizer 2, a hot air outlet pipe 3, a first electric control valve 4, an air inlet pipe 5, a hot air return pipe 6, a second electric control valve 7, a temperature sensor 8 and an electric controller 9, wherein the outlet of the blast furnace gas combustion furnace 1 is connected with the hot air outlet pipe 3, the other end of the hot air outlet pipe 3 is connected with the outer wall of the pulverizer 2, the hot air outlet pipe 3 is communicated with the inside of the pulverizer 2, the first electric control valve 4 is installed on a pipeline of the hot air outlet pipe 3, the air inlet pipe 5 is connected with the upper side of the outer peripheral surface of the blast furnace gas combustion furnace 1, the hot air return pipe 6 is connected with the outer peripheral surface of the pulverizer 2, the other end of the hot air return pipe 6, which is not connected with the pulverizer 2, is connected with the blast furnace gas combustion furnace 1, a spiral, the hot air return pipe 6 is provided with a second electric control valve 7, the temperature sensor 8 is inserted on the outer wall of the pulverizer 2, the electric controller 9 is arranged on the outer side of the outer wall of the pulverizer 2, and the electric controller 9 is respectively connected with the temperature sensor 8, the first electric control valve 4 and the second electric control valve 7 through signal lines.
The side of the gas inlet pipe 5 close to the blast furnace gas combustion furnace 1 is provided with a vertical part 51, and the tail end of the vertical part 51 is connected with the outer wall of the blast furnace gas combustion furnace 1.
The spiral duct 61 of the hot air return pipe 6 is spirally arranged on the vertical portion 51 of the air intake duct 5.
The height of the vertical portion 51 is at least 20 cm.
The utility model discloses an implement like this: when the device is used, heat generated by combustion of the blast furnace gas burner 1 is sent into the pulverizer 2 through the hot air outlet pipe 3, the pulverizer 2 can grind blast furnace slag, the pulverizer 2 is provided with the electric controller 9, the electric controller 9 receives a signal from the temperature sensor 8 and compares the signal with a set temperature, when the temperature in the pulverizer 2 is lower than the set temperature, a signal for increasing the opening degree of the valve can be output to the first electric control valve 4 through a signal line, a signal for reducing the opening degree of the valve can be output to the second electric control valve 7, and vice versa, so that the temperature in the pulverizer 2 can be effectively controlled; meanwhile, the spiral pipeline 61 on the hot air return pipe 6 can heat the vertical part 51 on the air inlet pipeline 5, so that the temperature in the pipe wall of the vertical part 51 is increased, the air inlet temperature is increased, heat can be effectively utilized, and energy is saved.
Finally, it should be noted that: the above embodiments are only used for illustrating the present invention and do not limit the technical solution described in the present invention; thus, while the present invention has been described in detail with reference to the various embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted; all such modifications and variations are intended to be included herein within the scope of this disclosure and the present invention and within the scope and spirit of the following claims.
Claims (4)
1. A hot air reflux unit for processing of slay miropowder includes: the device comprises a blast furnace gas combustion furnace, a pulverizer, a hot air outlet pipe, a first electric control valve, an air inlet pipe, a hot air return pipe, a second electric control valve, a temperature sensor and an electric controller, wherein the outlet of the blast furnace gas combustion furnace is connected with the hot air outlet pipe, the other end of the hot air outlet pipe is connected to the outer wall of the pulverizer, and the hot air outlet pipe is communicated with the inside of the pulverizer, and the device is characterized in that: the device comprises a blast furnace gas combustion furnace, a pulverizer, a temperature sensor, an electric controller, a first electric control valve, an air inlet pipe, a hot air return pipe, a second electric control valve, a first electric control valve and a second electric control valve, wherein the first electric control valve is installed on a pipeline of the hot air outlet pipe, the upper side of the outer peripheral surface of the blast furnace gas combustion furnace is connected with the air inlet pipe, the outer peripheral surface of the pulverizer is connected with the hot air return pipe, the other end, which is not connected with the pulverizer, of the hot air return pipe is connected to the blast furnace gas combustion furnace, a spiral pipeline is arranged on one side, which is close to the blast furnace gas combustion furnace, of the hot air return pipe.
2. The hot air reflux device for slag micropowder processing according to claim 1, characterized in that: and a vertical part is arranged on one side of the gas inlet pipeline close to the blast furnace gas combustion furnace, and the tail end of the vertical part is connected to the outer wall of the blast furnace gas combustion furnace.
3. The hot air reflux device for slag micropowder processing according to claim 1, characterized in that: the spiral pipeline on the hot air return pipe is spirally arranged on the vertical part on the air inlet pipeline.
4. The hot air reflux device for slag micropowder processing according to claim 2, characterized in that: the height of the vertical portion is at least 20 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243757.4U CN213000494U (en) | 2020-03-03 | 2020-03-03 | A hot-blast reflux unit for slay miropowder processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020243757.4U CN213000494U (en) | 2020-03-03 | 2020-03-03 | A hot-blast reflux unit for slay miropowder processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213000494U true CN213000494U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020243757.4U Active CN213000494U (en) | 2020-03-03 | 2020-03-03 | A hot-blast reflux unit for slay miropowder processing |
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| Country | Link |
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| CN (1) | CN213000494U (en) |
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2020
- 2020-03-03 CN CN202020243757.4U patent/CN213000494U/en active Active
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