CN213656724U - Coal powder direct-fired heat supply pipeline anti-sedimentation structure - Google Patents
Coal powder direct-fired heat supply pipeline anti-sedimentation structure Download PDFInfo
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- CN213656724U CN213656724U CN202022569727.5U CN202022569727U CN213656724U CN 213656724 U CN213656724 U CN 213656724U CN 202022569727 U CN202022569727 U CN 202022569727U CN 213656724 U CN213656724 U CN 213656724U
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Abstract
The utility model discloses a pulverized coal direct-fired heat supply pipeline anti-sedimentation 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 two supply-air duct, and supply-air duct passes main charge-in pipeline and sets up supply-air duct export in main charge-in pipeline middle part, and supply-air duct export orientation is 30 ~ 60 with main charge-in pipeline's pay-off orientation, and supply-air duct is equipped with supply-air duct entry, and supply-air duct entry intercommunication compressed air. 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 back into, plays the impact to the buggy in the main charge-in pipeline, supply-air duct entry top space forms the negative pressure, form rotatory wind, make the buggy that main charge-in pipeline subsides blow, and send into the combustion tower under the compressed air effect that the supply-air duct pours into, the compressed air who pours into also mixes with the buggy is better simultaneously, make the more abundant of buggy burning.
Description
Technical Field
The utility model relates to a buggy combustor field, in particular to buggy is directly burnt heat supply pipeline and is prevented subsiding 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 directly burning heat supply pipeline that the buggy prevents subsiding and prevent subsiding structure.
For realizing the above-mentioned purpose, the utility model discloses a following technical scheme, the buggy is directly burnt the heat supply pipeline and is prevented subsiding the structure 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, two directions of main charge-in pipeline are equipped with the supply-air duct, two supply-air ducts pass the pipeline wall of main charge-in pipeline respectively and set up the supply-air duct export 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 direction symmetry of two supply-air duct exports, and two crisscross settings in supply-air duct exports, the supply-air.
The utility model discloses coal dust is directly burnt heat supply pipeline and is prevented subsiding structure, through the supply-air duct who sets up two symmetries at main charge-in pipeline, compressed air that supply-air duct sent into pours into behind the main feed inlet, play the impact to the buggy in the main charge-in pipeline, form rotatory wind, make the buggy that main charge-in pipeline subsides blow up, and send into the combustion column under the compressed air effect that supply-air duct injected into, the compressed air who injects into also with the better mixture of buggy simultaneously, make more abundant of buggy burning.
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 coal dust is directly burnt heat supply pipeline and is prevented subsiding structure, through setting up the supply-air duct, the effectual coal dust 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 into, 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 the structural schematic diagram of the coal powder direct-fired heat supply pipeline anti-settling structure 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, the pulverized coal direct-fired heat supply pipeline anti-settling structure, including the main feed pipeline 1 that is used for transporting the 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, two directions of main feed pipeline 1 are equipped with supply-air duct 4, two supply-air duct 4 pass the pipeline wall of main feed pipeline 1 respectively and set up supply-air duct outlet 41 in main feed pipeline 1 middle part, supply-air duct outlet 41 direction is 30 ~ 60 with the pay-off direction of main feed pipeline 1, the direction symmetry of two supply-air duct outlets 41, and two supply-air duct outlets 41 are crisscross to be set up, supply-air duct 4 is equipped with supply-air duct inlet 42, supply-air duct inlet 42 communicates compressed.
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 and prevents subsiding structure, in operation, feed arrangement 2 gets into main feed pipe 1 through main feed inlet 11 with the buggy material, the buggy that gets into main feed pipe 1 gets into combustion tower 3 along main feed pipe 1, in main feed pipe 1 middle part, set up the supply-air duct 4 that inserts, supply-air duct outlet 41 sets up on the central line of main feed pipe 1 pay-off direction, supply-air duct inlet 42 injects compressed air this moment, compressed air forms the wind pressure to main feed pipe 1, the space above supply-air duct outlet 41 forms the negative pressure, the compressed air that inclination injects strikes main feed pipe 1 wall and forms the whirlwind, the buggy that subsides below supply-air duct outlet 41 is aroused to float in the cavity of main feed pipe 1 again, and along with the intensive mixing of compressed air, let the buggy more even entering combustion chamber 3, so that the pulverized coal is more fully combusted.
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 coal powder direct-fired heat supply pipeline anti-settling structure comprises a main feeding pipeline (1) for conveying coal powder, and is characterized in that the main feeding pipeline (1) is provided with a main feeding hole (11) and a main discharging hole (12), the main feeding hole (11) is communicated with a feeding device (2), the main discharging hole (12) is communicated with a combustion tower (3), air supply pipelines (4) are arranged in two directions of the main feeding pipeline (1), the two air supply pipelines (4) respectively penetrate through the pipeline wall of the main feeding pipeline (1) and arrange an air supply pipeline outlet (41) in the middle of the main feeding pipeline (1), the direction of the air supply pipeline outlet (41) and the feeding direction of the main feeding pipeline (1) are 30-60 degrees, the directions of the two air supply pipeline outlets (41) are symmetrical, the two air supply pipeline outlets (41) are arranged in a staggered manner, the air supply pipeline inlet (42) is arranged on the air supply pipeline (4), the inlet (42) of the air supply pipeline is communicated with compressed air.
2. The coal dust direct-fired heat supply pipeline anti-settling structure as claimed in 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 coal dust direct-fired heat supply pipeline anti-settling structure according to claim 1, wherein the air supply pipeline (4) further comprises an air supply pipeline transportation section (43), the direction of the inlet (42) of the air supply pipeline is perpendicular to the direction of the air supply pipeline transportation section (43), and the outlet (41) of the air supply pipeline and the air supply pipeline transportation section (43) form an angle of 120-150 degrees.
4. The coal dust direct-fired heat supply pipeline anti-settling structure as claimed in 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 |
|---|---|---|---|
| CN202022569727.5U CN213656724U (en) | 2020-11-09 | 2020-11-09 | Coal powder direct-fired heat supply pipeline anti-sedimentation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569727.5U CN213656724U (en) | 2020-11-09 | 2020-11-09 | Coal powder direct-fired heat supply pipeline anti-sedimentation structure |
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| CN213656724U true CN213656724U (en) | 2021-07-09 |
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| CN202022569727.5U Active CN213656724U (en) | 2020-11-09 | 2020-11-09 | Coal powder direct-fired heat supply pipeline anti-sedimentation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812208A (en) * | 2023-08-29 | 2023-09-29 | 成都中核高通同位素股份有限公司 | Quantitative split charging device and split charging method for technetium [99mTc ] injection |
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2020
- 2020-11-09 CN CN202022569727.5U patent/CN213656724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116812208A (en) * | 2023-08-29 | 2023-09-29 | 成都中核高通同位素股份有限公司 | Quantitative split charging device and split charging method for technetium [99mTc ] injection |
| CN116812208B (en) * | 2023-08-29 | 2023-10-31 | 成都中核高通同位素股份有限公司 | Quantitative split charging device and split charging method for technetium [99mTc ] injection |
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