CN218672151U - Feeding device for adding papermaking waste residues into fluidized bed boiler - Google Patents
Feeding device for adding papermaking waste residues into fluidized bed boiler Download PDFInfo
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- CN218672151U CN218672151U CN202223110895.3U CN202223110895U CN218672151U CN 218672151 U CN218672151 U CN 218672151U CN 202223110895 U CN202223110895 U CN 202223110895U CN 218672151 U CN218672151 U CN 218672151U
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- boiler
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- feeding
- fluidized bed
- pipe
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Abstract
The utility model discloses a papermaking waste residue adds feeder to fluidized bed boiler, including the boiler, the feed pipe includes the feed inlet, the feed inlet below is equipped with the feed cavity, the feed cavity is fixed and communicate with each other through discharge gate and boiler furnace inner space with the connecting plate, the feed inlet left side is equipped with the air-supply line to the right-hand member passes through straining device and links to each other with the boiler right-hand member, the feed cavity is equipped with the diaphragm type water-cooling wall outward, and the diaphragm type water-cooling wall is the water-cooling wall that becomes with the airtight tube panel that band steel and pipe were put together and are welded. The utility model has the advantages that: a membrane water-cooled wall is arranged outside the feeding cavity, so that the feeding cavity is prevented from expansion deformation and cracking due to overheating; the feeding pipe is tensioned through the tensioning mechanism, so that the feeding pipe is prevented from toppling in the feeding process; the light part in the papermaking waste can be prevented from being taken away by smoke, so that the combustion efficiency of the boiler is improved.
Description
Technical Field
The utility model relates to a fluidized bed technical field specifically indicates a papermaking waste residue adds feeder to fluidized bed boiler.
Background
The papermaking industry in China is a severe pollution industry, a large amount of papermaking waste residues generated in the production process comprise stranded ropes, light residues and the like, the papermaking waste residues contain plastics, metals and other mixtures, the incineration of the papermaking waste residues is fully utilized for power generation, and the method has social benefits of saving energy and preventing environmental pollution and also has good economic benefits. The existing feeding device of the fluidized bed waste incineration boiler generally adopts a heat insulation structure, no effective cooling measure is provided for a feeding pipeline, and the inside of the feeding pipeline is subjected to severe expansion deformation due to the continuous receiving of factors such as high-temperature radiation of a hearth, high-temperature flue gas back-leaping in the hearth and the like, so that the phenomenon of local cracking is caused; and because the papermaking waste residue has higher moisture content, the problems of garbage blockage and unsmooth feeding exist, once the material blockage occurs in the feeding device, the feeding can not be continuously carried out, and the safe, stable and continuous operation of a boiler and even the whole garbage incineration generating set is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned problem, provide a papermaking waste residue adds to fluidized bed boiler's feeder.
In order to solve the technical problem, the utility model provides a technical scheme does: the utility model provides a papermaking waste residue adds feeder to fluidized bed boiler, includes the boiler, the feed pipe includes the feed inlet, the feed inlet below is equipped with the feed cavity, the feed cavity is fixed and communicates with each other through discharge gate and boiler furnace inner space with the connecting plate, the feed inlet left side is equipped with the air-supply line to the right-hand member passes through straining device and links to each other with the boiler right-hand member, the feed cavity is equipped with the membrane water-cooling wall outward, and the membrane water-cooling wall is the water-cooling wall that the airtight tube panel that becomes with band steel and pipe row welding becomes.
Furthermore, the inner wall of the feeding pipe is coated with refractory castable.
Furthermore, the tensioning mechanism comprises a first convex plate fixed on the right side of the feeding port and a second convex plate fixed on the left side of the boiler, the other end of the first convex plate is rotatably connected with the left end of the concave rod through a first fixed rotating shaft, and the right end of the concave rod is rotatably connected with a second fixed rotating shaft on the second convex plate.
Further, the air inlet pipe is communicated with the feeding chamber and is in the same direction.
Further, the area of the discharge port is larger than that of the feeding port, so that the joint between the feeding cavity and the boiler is closer to an open structure.
Compared with the prior art, the utility model the advantage lie in:
1. and a membrane water-cooled wall is arranged outside the feeding cavity, so that the feeding cavity is prevented from expansion deformation and cracking due to overheating.
2. The inner wall of the feeding pipe is coated with the refractory castable, so that the heat resistance of the feeding pipe is improved, and equipment is prevented from being burnt out when smoke in the furnace is reversely leaped up, and the service life of the feeding pipe is effectively prolonged.
3. Through taut feeder pipe of straining mechanism, prevent that feed in-process feeder pipe from empting.
4. The paper-making waste is brought into the boiler from the discharge port by the pressure air entering the feeding pipe through the air inlet pipe, the pressure air with the consistent direction can prevent the light part in the paper-making waste from being taken away by smoke gas to cause the low implantation rate of fuel, and therefore the combustion efficiency of the boiler is improved.
5. The joint between the feeding cavity and the boiler is closer to an open structure, so that the papermaking waste in the feeding cavity can completely receive the high-temperature radiant heat in the hearth, the water content of the garbage fuel entering the boiler is effectively reduced, and the drying efficiency of the garbage fuel is improved.
Drawings
Fig. 1 is a front view of the main body of the present invention.
Fig. 2 is a main sectional structure view of the present invention.
Fig. 3 is a structural view of the tension mechanism of the present invention.
As shown in the figure: boiler 1, feed pipe 2, feed inlet 201, feed chamber 202, discharge gate 203, membrane wall 204, connecting plate 3, air-supply line 4, straining device 5, flange one 6, axis of rotation one 601, flange two 7, axis of rotation two 701.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to fig. 1, a feeding device for adding papermaking waste residues to a fluidized bed boiler comprises a boiler 1 and a feeding pipe 2, wherein the feeding pipe 2 comprises a feeding port 201, a feeding chamber 202 is arranged below the feeding port 201, the feeding chamber 202 is fixed with a connecting plate 3 and communicated with the inner space of the boiler 1 through a discharging port 203, an air inlet pipe 4 is arranged on the left side of the feeding port 201, the right end of the feeding port is connected with the right end of the boiler 1 through a tensioning mechanism 5, a membrane water wall 204 is arranged outside the feeding chamber 202, and the membrane water wall 204 is a water wall formed by welding flat steel and a tube-splicing airtight tube panel, so that the phenomena of expansion deformation and cracking of the feeding chamber 3 due to overheating are prevented.
With reference to fig. 2, the inner wall of the feeding pipe 2 is coated with the refractory castable, so that the heat resistance of the feeding pipe 2 can be improved, and meanwhile, equipment can be prevented from being burned out when smoke in the furnace is reversely leaped, and the service life of the feeding pipe 2 is effectively prolonged.
Referring to fig. 3, the tensioning mechanism 5 includes a first protruding plate 6 fixed on the right side of the feeding port 201 and a second protruding plate 7 fixed on the left side of the boiler 1, the other end of the first protruding plate 6 is rotatably connected with the left end of the concave rod 8 through a first fixed rotating shaft 601, and the right end of the concave rod 8 is rotatably connected with a second rotating shaft 701 fixed on the second protruding plate 7.
The feeding pipe 2 is tensioned by the tensioning mechanism 5, and the feeding pipe 2 is prevented from toppling over in the feeding process.
Referring to fig. 2, the air inlet pipe 4 is connected to the feeding chamber 202 in a pipeline and has the same direction, the paper-making waste is brought into the boiler 1 from the discharge port 203 by the pressing air entering the feeding pipe 2 through the air inlet pipe 4, and the pressing air having the same direction can prevent the light part of the paper-making waste from being taken away by the flue gas to cause the low fuel bed-adhering rate, thereby improving the combustion efficiency of the boiler.
With reference to fig. 2, the area of the discharge port 203 is larger than that of the feed port 201, so that the joint between the feed chamber 202 and the boiler 1 is closer to an open structure, paper-making waste in the feed chamber 202 can completely receive high-temperature radiant heat in a hearth, the moisture content of garbage fuel entering the furnace is effectively reduced, and the drying efficiency of the garbage fuel is improved.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a papermaking waste residue adds feeder to fluidized bed boiler, includes boiler (1), feed pipe (2), its characterized in that: the feed pipe (2) comprises a feed port (201), a feed chamber (202) is arranged below the feed port (201), the feed chamber (202) is fixed to a connecting plate (3) and communicated with the inner space of the boiler (1) through a discharge port (203), an air inlet pipe (4) is arranged on the left side of the feed port (201), the right end of the feed chamber is connected with the left end of the boiler (1) through a tensioning mechanism (5), a membrane type water-cooling wall (204) is arranged outside the feed chamber (202), and the membrane type water-cooling wall (204) is a water-cooling wall formed by air-tight tube panels welded by flat steel and tube splicing.
2. The feeding device for adding the papermaking waste residue to the fluidized bed boiler according to the claim 1, characterized in that: the inner wall of the feeding pipe (2) is coated with refractory castable.
3. The feeding device for adding the papermaking waste residue to the fluidized bed boiler according to the claim 1, characterized in that: tensioning mechanism (5) including be fixed in flange one (6) on feed inlet (201) right side, be fixed in the left flange two (7) of boiler (1), the flange one (6) other end is connected with concave pole (8) left end rotation through fixed axis of rotation one (601), concave pole (8) right-hand member is connected with fixed axis of rotation two (701) rotation on flange two (7).
4. The feeding device for adding the papermaking waste residue to the fluidized bed boiler according to the claim 1, characterized in that: the air inlet pipe (4) is communicated with the feeding chamber (202) in a pipeline way, and the direction of the air inlet pipe is consistent.
5. The feeding device for adding the papermaking waste residue to the fluidized bed boiler according to the claim 1, characterized in that: the area of the discharge port (203) is larger than that of the feeding port (201), so that the joint between the feeding chamber (202) and the boiler (1) is closer to an open structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110895.3U CN218672151U (en) | 2022-11-23 | 2022-11-23 | Feeding device for adding papermaking waste residues into fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223110895.3U CN218672151U (en) | 2022-11-23 | 2022-11-23 | Feeding device for adding papermaking waste residues into fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218672151U true CN218672151U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223110895.3U Active CN218672151U (en) | 2022-11-23 | 2022-11-23 | Feeding device for adding papermaking waste residues into fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218672151U (en) |
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2022
- 2022-11-23 CN CN202223110895.3U patent/CN218672151U/en active Active
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