CN220038499U - Coal powder staged combustion device for decomposing furnace - Google Patents
Coal powder staged combustion device for decomposing furnace Download PDFInfo
- Publication number
- CN220038499U CN220038499U CN202321458614.5U CN202321458614U CN220038499U CN 220038499 U CN220038499 U CN 220038499U CN 202321458614 U CN202321458614 U CN 202321458614U CN 220038499 U CN220038499 U CN 220038499U
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- China
- Prior art keywords
- furnace
- furnace body
- combustion device
- screen frame
- staged combustion
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 28
- 239000003245 coal Substances 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 title description 10
- 239000002893 slag Substances 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000001680 brushing effect Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 5
- 235000011941 Tilia x europaea Nutrition 0.000 description 5
- 239000004571 lime Substances 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 238000001354 calcination Methods 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model relates to the technical field of furnaces, in particular to a pulverized coal staged combustion device entering a decomposing furnace. Its technical scheme includes furnace body, connecting cylinder, furnace chamber, reel and mounting panel, be provided with the furnace chamber between the furnace body, furnace body both ends are run through respectively and are had blast pipe and exhaust column, the furnace chamber outer wall is provided with the rotation piece, the inside connecting cylinder that is provided with of furnace chamber, the reel is established to the connecting cylinder inner wall, the inside mounting panel that all is provided with of reel, mounting panel one end is provided with the backup pad, the mounting panel deviates from one end mutually and all is provided with the brush strip. According to the utility model, the brush strips are arranged in the furnace body, so that when the furnace chamber rotates, the brush strips brush the inner wall of the furnace body, the blocked raw materials are stripped, and the inner wall is cleaned by brushing, so that the blocking and skinning of the screen frame are avoided, and the stable use of the screen frame is ensured.
Description
Technical Field
The utility model relates to the technical field of furnaces, in particular to a pulverized coal staged combustion device entering a decomposing furnace.
Background
The decomposing furnace is a device for simultaneously carrying out fuel combustion, heat exchange and decomposition reaction, and the fuel classification technology is to divide combustion into two or more strands to create a plurality of combustion areas, which is an indispensable device in cement firing processing.
The utility model discloses a CN102887657B relates to a pulverized coal staged combustion rotary furnace, which is mainly characterized in that one end of a rotary furnace chamber is connected with a charging hopper, a short pipe is arranged in the furnace chamber and communicated with the charging hopper, and a cylindrical screen and an outer partition plate connected with the short pipe can be used as a combustion furnace and a lime calcining kiln, and has the remarkable advantages of low wind pressure blast, ventilation, full combustion, rapid calcination, electricity and coal saving, pure and no slag of lime powder, improved product quality and the like.
The device has the advantages that the device can be used as a combustion furnace through the rotation of a furnace chamber and can be used as a lime powder classified calcination rotary kiln when being used in CN102887657B, the energy and the electricity are saved, the coal is saved, a lime powder product is pure, no slag mixing exists, but the coal powder and the limestone are separated through holes in a screen frame in a screening process, the through holes are easy to block, and powder combustion matters easily cause the screen frame to be skinned and lose the effect of the screen frame, so that the device for classifying and burning the coal powder in the decomposing furnace is provided for solving the existing problems.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a pulverized coal staged combustion device entering a decomposing furnace.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a go into decomposition furnace buggy staged combustion device, includes furnace body, connecting cylinder, furnace chamber, reel and mounting panel, be provided with the furnace chamber between the furnace body, the furnace body both ends are run through respectively and are had blast pipe and exhaust column, the furnace chamber outer wall is provided with the rotation piece, the inside connecting cylinder that is provided with of furnace chamber, the reel is established to the connecting cylinder inner wall, the reel is inside all to be provided with the mounting panel, mounting panel one end is provided with the backup pad, the mounting panel deviates from one end mutually and all is provided with the brush strip.
When the pulverized coal staged combustion device for the decomposing furnace is used, pulverized coal and limestone are conveyed into the feeding pipe through the feeding port, blown into the screen frame under the air flow conveyed by the air supply pipe, the furnace chamber rotates through the rotating piece, large-size materials are intercepted in the screen frame, lower-size materials enter the connecting cylinder, staged combustion is achieved, the materials are combusted fully, and the brush brushes the inner wall of the screen frame to avoid skinning inside the screen frame and blocking inside the through hole.
Preferably, the upper end of the furnace body is provided with a feeding hole, the inside of the furnace body is provided with a feeding pipe, the upper end of the feeding pipe is connected with the feeding hole, and the feeding pipe and the exhaust pipe penetrate through the feeding pipe. The pulverized coal and limestone raw materials enter the furnace body through the feeding port, conveyed materials enter the feeding pipe, materials are conveyed at the air supply pipe, air flows in the exhaust pipe are extracted, pressure is reduced, and the flow speed of the air in the exhaust pipe is accelerated.
Preferably, through holes distributed at equal intervals are formed in the screen frame. The through holes in the screen frame are used for screening combustion media.
Preferably, one end of the supporting plate is connected with the furnace body. The backup pad is installed with the furnace body, is fixed to the mounting panel.
Preferably, a reinforcing plate is arranged at the joint of the supporting plate and the mounting plate. The reinforcing plate is triangular, and the junction of the reinforcing support plate and the mounting plate is reinforced.
Preferably, the brush strip corresponds to the inner wall of the screen frame. When the brush bar rotates in the furnace chamber, the brush bar brushes the inner wall of the furnace chamber.
Preferably, slag discharging openings are formed in the lower end of the furnace body, and a guide plate is arranged on the inner wall of the connecting cylinder. The slag discharge port discharges slag in the furnace body, and the guide plate guides the slag.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the cleaning brush strips are arranged at two ends of the furnace body and extend to the inner wall of the screen frame, when the furnace chamber is self-conveyed, the inner wall of the screen frame is brushed, the blocked through holes are dredged, the screen frame is prevented from being skinned by the inner wall of the brushed end, the screen frame screens coal dust and limestone, and the screen frame can be used as a coal dust staged combustion rotary furnace and a lime dust staged calcination rotary kiln, so that larger coal particles are ensured to be combusted above the screen frame, and coal dust fine powder is ensured to be combusted below the screen.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic side view of the connecting tube of the present utility model;
fig. 4 is an enlarged partial main sectional view of the mounting plate of the present utility model.
Reference numerals: 1. a furnace body; 2. a feed inlet; 3. a rotating member; 4. a connecting cylinder; 5. a cavity; 6. an air supply pipe; 7. a slag discharge port; 8. a screen frame; 9. a mounting plate; 10. a through hole; 11. brushing strips; 12. a deflector; 13. a reinforcing plate; 14. a support plate; 15. an exhaust tube; 16. and a feeding pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Example 1
As shown in fig. 1-4, the pulverized coal staged combustion device for the decomposing furnace provided by the utility model comprises a furnace body 1, a connecting cylinder 4, a furnace chamber 5, a screen frame 8 and a mounting plate 9, wherein the furnace chamber 5 is arranged between the furnace bodies 1, two ends of the furnace body 1 are respectively penetrated by an air supply pipe 6 and an exhaust pipe 15, the upper ends of the furnace body 1 are respectively provided with a feed inlet 2, the inside of the furnace body 1 is provided with a feed pipe 16, the upper ends of the feed pipes 16 are connected with the feed inlet 2, the air supply pipes 6 and the exhaust pipes 15 are respectively penetrated by the feed pipes 16, the outer wall of the furnace chamber 5 is provided with a rotating member 3, the inside of the furnace chamber 5 is provided with the connecting cylinder 4, the inner wall of the connecting cylinder 4 is provided with the screen frame 8, the inside of the screen frame 8 is provided with equidistant distributed through holes 10, the lower end of the furnace body 1 is respectively provided with a slag discharging opening 7, and the inner wall of the connecting cylinder 4 is provided with a guide plate 12.
The procedure is based on example 1: the material container conveyed by the feed inlet 2 is blown into the screen frame 8 through the blast pipe 6, larger coal particles burn at the inner side of the screen frame 8, and pulverized coal fine powder burns at the inner side of the connecting cylinder 4 at the outer side of the screen frame 8, so that staged combustion is realized.
Example two
As shown in fig. 1-4, the pulverized coal staged combustion device for a decomposing furnace according to the present utility model further includes: the inside mounting panel 9 that all is provided with of reel 8, mounting panel 9 one end is provided with backup pad 14, and backup pad 14 one end is connected with furnace body 1, and backup pad 14 and mounting panel 9 junction is provided with gusset plate 13, and mounting panel 9 all is provided with brush strip 11 from the one end that is opposite to, and brush strip 11 is corresponding with reel 8 inner wall.
In this embodiment, when the oven cavity 5 rotates, the screen frame 8 is brushed by the brush bar 11, the material blocked in the through hole 10 is brushed away, and the inner wall of the screen frame 8 is brushed, so as to avoid skinning on the inner wall of the screen frame 8.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a go into decomposition furnace buggy staged combustion device, includes furnace body (1), connecting cylinder (4), furnace chamber (5), reel (8) and mounting panel (9), its characterized in that: furnace chamber (5) are arranged between furnace bodies (1), blast pipes (6) and exhaust pipes (15) are respectively penetrated through two ends of the furnace body (1), rotating parts (3) are arranged on the outer walls of the furnace chamber (5), connecting cylinders (4) are arranged inside the furnace chamber (5), a screen frame (8) is arranged on the inner walls of the connecting cylinders (4), mounting plates (9) are arranged inside the screen frame (8), one ends of the mounting plates (9) are provided with supporting plates (14), and brush strips (11) are respectively arranged at opposite sides of the mounting plates (9).
2. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: the utility model discloses a furnace body, including furnace body (1), blast pipe (6) and exhaust column (15), furnace body (1) upper end all is provided with pan feeding mouth (2), furnace body (1) inside is provided with conveying pipe (16), conveying pipe (16) upper end is connected with pan feeding mouth (2), blast pipe (6) and exhaust column (15) all run through conveying pipe (16).
3. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: through holes (10) distributed at equal intervals are formed in the screen frame (8).
4. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: one end of the supporting plate (14) is connected with the furnace body (1).
5. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: the joint of the supporting plate (14) and the mounting plate (9) is provided with a reinforcing plate (13).
6. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: the brush strip (11) corresponds to the inner wall of the screen frame (8).
7. The pulverized coal staged combustion device for a decomposing furnace as claimed in claim 1, wherein: the lower end of the furnace body (1) is provided with slag discharging openings (7), and the inner wall of the connecting cylinder (4) is provided with guide plates (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458614.5U CN220038499U (en) | 2023-06-09 | 2023-06-09 | Coal powder staged combustion device for decomposing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321458614.5U CN220038499U (en) | 2023-06-09 | 2023-06-09 | Coal powder staged combustion device for decomposing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038499U true CN220038499U (en) | 2023-11-17 |
Family
ID=88720841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321458614.5U Active CN220038499U (en) | 2023-06-09 | 2023-06-09 | Coal powder staged combustion device for decomposing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038499U (en) |
-
2023
- 2023-06-09 CN CN202321458614.5U patent/CN220038499U/en active Active
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