CN213656822U - Spiral air supply structure of pulverized coal direct-fired heat supply pipeline - Google Patents
Spiral air supply structure of pulverized coal direct-fired heat supply pipeline Download PDFInfo
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- CN213656822U CN213656822U CN202022569722.2U CN202022569722U CN213656822U CN 213656822 U CN213656822 U CN 213656822U CN 202022569722 U CN202022569722 U CN 202022569722U CN 213656822 U CN213656822 U CN 213656822U
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Abstract
The utility model discloses a buggy is directly burnt heat supply pipeline spiral air supply structure. Including the main charge-in pipeline that is used for transporting the buggy, main feed inlet intercommunication feed arrangement, main discharge gate intercommunication combustion tower, main charge-in pipeline is equipped with supply-air duct, supply-air duct passes main charge-in pipeline and exports the supply-air duct and set up in main charge-in pipeline middle part, supply-air duct outlet direction is 30 ~ 60 with main charge-in pipeline's pay-off direction, supply-air duct is equipped with the supply-air duct entry, supply-air duct entry intercommunication compressed air, main discharge gate is equipped with the deflector, the deflector is equipped with the slope guide way. Through setting up the supply-air duct at main charge-in pipeline, after the compressed air that the supply-air duct sent into pours into main feed inlet into, supply-air duct entry top space into negative pressure, forms rotatory wind for the buggy that main charge-in pipeline subsides blows, and sends into the combustion tower under the compressed air effect that the supply-air duct pours into, the compressed air who pours into also better mixture with the buggy simultaneously, more abundant burning.
Description
Technical Field
The utility model relates to a pulverized coal burner field, in particular to pulverized coal directly burns heat supply pipeline spiral air supply structure.
Background
The coal powder burning machine is a heating device commonly used in ceramic burning and other processes, and generally transports coal powder materials to a combustion tower through a pipeline, and fully burns coal powder in the combustion tower to provide heat.
In current buggy pipeline, there is the buggy to subside the condition at the pipeline wall, and this kind of buggy subsides the condition overstock back along with time, causes easily that supplies buggy efficiency to reduce, and the buggy subsides the waste that also can cause the buggy simultaneously, still needs the later stage to waste time and energy the clean pipeline even.
The technical scheme that this application will be solved is, how to prevent the buggy settlement problem in the buggy pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectively blow buggy and prevent direct combustion of pulverized coal heat supply pipeline spiral air supply structure that subsides.
For realizing the above-mentioned purpose, the utility model discloses a following technical scheme, the buggy is directly burnt heat supply pipeline spiral air supply structure is including the main charge-in pipeline that is used for transporting the buggy, main charge-in pipeline is equipped with main feed inlet and main discharge gate, main feed inlet intercommunication feed arrangement, main discharge gate intercommunication burning tower, main charge-in pipeline is equipped with the supply-air duct, the supply-air duct passes main charge-in pipeline and sets up the export of supply-air duct in main charge-in pipeline middle part, supply-air duct export direction is 30 ~ 60 with main charge-in pipeline's pay-off direction, the supply-air duct is equipped with the supply-air duct entry, supply-air duct entry intercommunication compressed air, main discharge gate is equipped.
The utility model discloses coal dust directly burns heat supply pipeline spiral air supply structure, through setting up the supply-air duct at main charge-in pipeline, compressed air that the supply-air duct sent into pours into main feed inlet after, plays the impact to the coal dust in the main charge-in pipeline, and the space forms the negative pressure above the supply-air duct entry, forms rotatory wind, makes the coal dust that main charge-in pipeline subsides blow up, and send into the combustion tower under the compressed air effect that the supply-air duct pours into, and the compressed air who pours into also better mixing with the coal dust simultaneously, makes the coal dust burning more abundant; the guide plate and the inclined guide groove are arranged, so that wind blows along with the inclination of the inclined guide groove and the rotation is realized.
In some embodiments, the central position of the outlet of the air supply duct is the same horizontal line as the central position of the main feeding duct. The central position of the outlet of the air supply pipeline is at the same height as the central position of the main feeding pipeline, namely, the outlet of the air supply pipeline is arranged at the central position of the main feeding pipeline, so that the forming rotating air can be more conveniently carried out, and the pulverized coal is blown up to prevent sedimentation.
In some embodiments, the air supply duct further comprises an air supply duct transportation section, the inlet direction of the air supply duct is perpendicular to the direction of the air supply duct transportation section, and the outlet of the air supply duct is 120-150 ° to the air supply duct transportation section.
In some embodiments, the air pressure in the supply air duct is greater than the air pressure in the main feed duct. The air pressure in the air supply pipeline is greater than the air pressure in the main feeding pipeline, so that the fed compressed air can effectively act on the settled coal powder.
The utility model has the advantages that: the utility model discloses buggy is directly burnt heat supply pipeline spiral air supply structure, through setting up the supply-air duct, the effectual buggy that has solved in the main charge-in pipeline subsides the phenomenon, can blow up the buggy that subsides in the bottom through pouring into compressed gas, makes it get into the burning tower, more makes things convenient for more even and abundant of buggy and air mixing, strengthens the combustion rate of buggy.
Drawings
Fig. 1 is a schematic structural diagram of the spiral air supply structure of the pulverized coal direct-fired heat supply pipeline of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, pulverized coal direct-fired heat supply pipeline spiral air supply structure, including main feed pipeline 1 that is used for transporting pulverized coal, main feed pipeline 1 is equipped with main feed inlet 11 and main discharge gate 12, main feed inlet 11 communicates feed arrangement 2, main discharge gate 12 communicates combustion tower 3, main feed pipeline 1 is equipped with supply-air duct 4, supply-air duct 4 passes main feed pipeline 1's pipeline wall and sets up supply-air duct outlet 41 in main feed pipeline 1 middle part, supply-air duct outlet 41 direction is 30 ~ 60 with main feed pipeline 1's pay-off direction, supply-air duct 4 is equipped with supply-air duct inlet 42, supply-air duct inlet 42 communicates compressed air, main discharge gate 12 is equipped with deflector 5, deflector 5 is equipped with the slope guide way.
The central position of the outlet 41 of the blast pipeline and the central position of the main feeding pipeline 1 are the same central line.
The air supply pipeline 4 further comprises an air supply pipeline transportation section 43, the direction of an inlet 42 of the air supply pipeline is vertical to the direction of the air supply pipeline transportation section 43, and an outlet 41 of the air supply pipeline and the air supply pipeline transportation section 43 form an angle of 120-150 degrees.
The air pressure in the blast duct 4 is greater than the air pressure in the main feed duct 1.
The utility model discloses coal powder directly burns heat supply pipeline spiral air supply structure, in operation, feed arrangement 2 gets into main feed pipe 1 with the buggy material through main feed inlet 11, the buggy that gets into main feed pipe 1 gets into combustion tower 3 along main feed pipe 1, at main feed pipe 1 middle part, set up the air supply pipeline 4 that inserts, air supply pipeline outlet 41 sets up on the central line of main feed pipe 1 pay-off direction, air supply pipeline inlet 42 injects compressed air this moment, compressed air forms the wind pressure to main feed pipe 1, air supply pipeline outlet 41 top space forms the negative pressure, the compressed air that inclination injects strikes and forms whirlwind to main feed pipe 1 wall; meanwhile, when the air conveying reaches the guide plate 5, the air is guided by the inclined guide groove to realize inclination phase change and gradually realize rotation; the coal dust that subsides below the blast pipe outlet 41 is aroused and floats in the cavity of main charge-in pipeline 1 again to along with compressed air's intensive mixing, let the more even entering combustion chamber 3 of coal dust, make coal dust burning more abundant.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (4)
1. The spiral air supply structure of the pulverized coal direct-fired heat supply pipeline comprises a main feed pipeline (1) for conveying pulverized coal, and is characterized in that the main feed pipeline (1) is provided with a main feed port (11) and a main discharge port (12), the main feed port (11) is communicated with a feeding device (2), the main discharge port (12) is communicated with a combustion tower (3), the main feed pipeline (1) is provided with an air supply pipeline (4), the air supply pipeline (4) penetrates through the pipeline wall of the main feed pipeline (1) and is used for arranging an air supply pipeline outlet (41) in the middle of the main feed pipeline (1), the direction of the air supply pipeline outlet (41) and the feeding direction of the main feed pipeline (1) are 30-60 degrees, the air supply pipeline (4) is provided with an air supply pipeline inlet (42), the air supply pipeline inlet (42) is communicated with compressed air, the main discharge port (12) is provided with a, the guide plate (5) is provided with an inclined guide groove.
2. The spiral air supply structure of the pulverized coal direct-fired heat supply pipeline according to claim 1, wherein the central position of the outlet (41) of the air supply pipeline and the central position of the main feeding pipeline (1) are in the same horizontal line.
3. The spiral air supply structure of the pulverized coal direct-fired heat supply pipeline according to claim 1, wherein the air supply pipeline (4) further comprises an air supply pipeline transportation section (43), the direction of an inlet (42) of the air supply pipeline is perpendicular to the direction of the air supply pipeline transportation section (43), and an outlet (41) of the air supply pipeline and the air supply pipeline transportation section (43) form an angle of 120-150 degrees.
4. The spiral air supply structure of the pulverized coal direct-fired heat supply pipeline according to claim 1, wherein the air pressure in the air supply pipeline (4) is greater than the air pressure in the main feeding pipeline (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569722.2U CN213656822U (en) | 2020-11-09 | 2020-11-09 | Spiral air supply structure of pulverized coal direct-fired heat supply pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569722.2U CN213656822U (en) | 2020-11-09 | 2020-11-09 | Spiral air supply structure of pulverized coal direct-fired heat supply pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213656822U true CN213656822U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022569722.2U Active CN213656822U (en) | 2020-11-09 | 2020-11-09 | Spiral air supply structure of pulverized coal direct-fired heat supply pipeline |
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| Country | Link |
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| CN (1) | CN213656822U (en) |
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2020
- 2020-11-09 CN CN202022569722.2U patent/CN213656822U/en active Active
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