CN216591730U - Solid waste fuel feeding device - Google Patents
Solid waste fuel feeding device Download PDFInfo
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- CN216591730U CN216591730U CN202122961392.6U CN202122961392U CN216591730U CN 216591730 U CN216591730 U CN 216591730U CN 202122961392 U CN202122961392 U CN 202122961392U CN 216591730 U CN216591730 U CN 216591730U
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- feeding device
- coal
- boiler
- rear wall
- solid waste
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Abstract
The utility model discloses a feeding device for solid waste fuel fed into a furnace, which comprises a boiler, wherein the boiler comprises a hearth rear wall, a feeding device is arranged on the hearth rear wall, a rear wall hole is formed in the hearth rear wall, the feeding device comprises a discharging pipe, a pneumatic conveying device and a conveyor which are sequentially connected, a metal expansion joint is arranged between an inlet of the discharging pipe and the pneumatic conveying device, and the discharging pipe is connected with the rear wall hole. The utility model combines mechanical transmission and pneumatic transmission, so that the transmission of solid waste fuel is smoother, the coal-spreading wind is taken from the boiler system, and the investment and the operation cost can be reduced.
Description
Technical Field
The utility model relates to a feeding device for solid waste fuel entering a furnace, and belongs to the technical field of combustion boilers.
Background
The solid waste fuel has more types, irregular shape and larger density difference, and the problems of fuel accumulation and bridging often occur in a pipe section for conveying the fuel, thereby influencing the combustion effect of the solid waste fuel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a feeding device for solid waste fuel into a furnace, the mechanical conveying and the pneumatic conveying are matched for use, so that the solid waste fuel is conveyed more smoothly, and the system is simple and has low energy consumption; the coal-spreading wind is taken from the system of the boiler, so that the investment and the operation cost can be reduced.
In order to solve the technical problems, the utility model adopts the following technical scheme: a feeding device for solid waste fuel entering a furnace comprises a boiler, wherein the boiler comprises a hearth rear wall, a feeding device is arranged on the hearth rear wall, a rear wall hole is formed in the hearth rear wall, the feeding device comprises a discharging pipe, a pneumatic conveying device and a conveyer which are sequentially connected, a metal expansion joint is arranged between an inlet of the discharging pipe and the pneumatic conveying device, and the discharging pipe is connected with the rear wall hole; mechanical conveying and pneumatic conveying are matched for use, so that solid waste fuel conveying is smoother, coal-spreading air is taken from a boiler system, and investment and operating cost can be reduced.
According to the feeding device for solid waste fuel entering the furnace, the pneumatic conveying device comprises a Venturi tube and a coal-spreading air branch pipe, one end of the Venturi tube is connected with the metal expansion joint, the other end of the Venturi tube is connected with a discharge hole of the conveyor, the outlet end of the coal-spreading air branch pipe is connected to the Venturi tube, and the inlet end of the coal-spreading air branch pipe is connected to the boiler; the coal-feeding air in the boiler enters the hearth of the boiler together with the solid waste fuel through the venturi tube through the coal-feeding air branch pipe, so that the effect of sealing air is achieved, the solid waste fuel can be conveyed more smoothly, and the investment and the operating cost can be reduced.
According to the feeding device for solid waste fuel entering the furnace, the conveyor is provided with the feeding hole.
According to the feeding device for solid waste fuel entering the furnace, the coal-spreading air branch pipe is provided with the valve A.
According to the feeding device for solid waste fuel into the furnace, a valve B is arranged at the joint between the metal expansion joint and the inlet of the discharge pipe; the metal expansion can save energy, expand in the thermal state of the boiler, absorb the expansion amount and avoid equipment damage.
Compared with the prior art, the mechanical conveying and pneumatic conveying are matched for use, so that the conveying of the solid waste fuel is smoother, the coal-spreading air in the boiler enters the hearth of the boiler together with the solid waste fuel through the coal-spreading air branch pipe and the venturi pipe, the effect of sealing air is achieved, the conveying of the solid waste fuel is smoother, and the investment and the operating cost can be reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the pneumatic conveying apparatus of the present invention.
Reference numerals: 1-boiler, 2-hearth rear wall, 3-feeding device, 4-rear wall hole, 5-discharging pipe, 6-pneumatic conveying device, 7-conveyor, 8-metal expansion joint, 9-venturi tube, 10-coal-spreading air branch pipe, 11-feeding hole, 12-A valve and 13-B valve.
The utility model is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the utility model: the utility model provides a gu useless fuel goes into stove feeder, includes boiler 1, boiler 1 includes furnace back wall 2, be provided with feeder 3 on the furnace back wall 2, back wall hole 4 has been seted up on the furnace back wall 2, feeder 3 is including discharging pipe 5, pneumatic conveyor 6 and the conveyer 7 that connect gradually, be provided with metal expansion joint 8 between 5 imports of discharging pipe and the pneumatic conveyor 6, discharging pipe 5 is connected with back wall hole 4.
Example 2 of the utility model: a solid waste fuel feeding and feeding device comprises a boiler 1, wherein the boiler 1 comprises a hearth rear wall 2, a feeding device 3 is arranged on the hearth rear wall 2, a rear wall hole 4 is formed in the hearth rear wall 2, the feeding device 3 comprises a discharging pipe 5, a pneumatic conveying device 6 and a conveyor 7 which are sequentially connected, a metal expansion joint 8 is arranged between an inlet of the discharging pipe 5 and the pneumatic conveying device 6, and the discharging pipe 5 is connected with the rear wall hole 4; pneumatic conveyor 6 includes venturi 9 and coal-feeding air branch pipe 10, venturi 9's one end is connected with metal expansion joint 8, and venturi 9's the other end is connected with the discharge gate of conveyer 7, the exit end of coal-feeding air branch pipe 10 is connected in venturi 9, and the entrance point of coal-feeding air branch pipe 10 is connected in boiler 1.
Example 3 of the utility model: a solid waste fuel feeding and feeding device comprises a boiler 1, wherein the boiler 1 comprises a hearth rear wall 2, a feeding device 3 is arranged on the hearth rear wall 2, a rear wall hole 4 is formed in the hearth rear wall 2, the feeding device 3 comprises a discharging pipe 5, a pneumatic conveying device 6 and a conveyor 7 which are sequentially connected, a metal expansion joint 8 is arranged between an inlet of the discharging pipe 5 and the pneumatic conveying device 6, and the discharging pipe 5 is connected with the rear wall hole 4; the pneumatic conveying device 6 comprises a Venturi tube 9 and a coal-spreading air branch tube 10, one end of the Venturi tube 9 is connected with a metal expansion joint 8, the other end of the Venturi tube 9 is connected with a discharge hole of the conveyor 7, the outlet end of the coal-spreading air branch tube 10 is connected to the Venturi tube 9, and the inlet end of the coal-spreading air branch tube 10 is connected to the boiler 1; the conveyor 7 is provided with a feed inlet 11.
Example 4 of the utility model: a solid waste fuel feeding and feeding device comprises a boiler 1, wherein the boiler 1 comprises a hearth rear wall 2, a feeding device 3 is arranged on the hearth rear wall 2, a rear wall hole 4 is formed in the hearth rear wall 2, the feeding device 3 comprises a discharging pipe 5, a pneumatic conveying device 6 and a conveyor 7 which are sequentially connected, a metal expansion joint 8 is arranged between an inlet of the discharging pipe 5 and the pneumatic conveying device 6, and the discharging pipe 5 is connected with the rear wall hole 4; the pneumatic conveying device 6 comprises a Venturi tube 9 and a coal-spreading air branch tube 10, one end of the Venturi tube 9 is connected with a metal expansion joint 8, the other end of the Venturi tube 9 is connected with a discharge hole of the conveyor 7, the outlet end of the coal-spreading air branch tube 10 is connected to the Venturi tube 9, and the inlet end of the coal-spreading air branch tube 10 is connected to the boiler 1; the conveyor 7 is provided with a feeding hole 11; the coal-spreading air branch pipe 10 is provided with an A valve 12.
Example 5 of the utility model: a solid waste fuel feeding and feeding device comprises a boiler 1, wherein the boiler 1 comprises a hearth rear wall 2, a feeding device 3 is arranged on the hearth rear wall 2, a rear wall hole 4 is formed in the hearth rear wall 2, the feeding device 3 comprises a discharging pipe 5, a pneumatic conveying device 6 and a conveyor 7 which are sequentially connected, a metal expansion joint 8 is arranged between an inlet of the discharging pipe 5 and the pneumatic conveying device 6, and the discharging pipe 5 is connected with the rear wall hole 4; the pneumatic conveying device 6 comprises a Venturi tube 9 and a coal-seeding air branch pipe 10, one end of the Venturi tube 9 is connected with a metal expansion joint 8, the other end of the Venturi tube 9 is connected with a discharge hole of the conveyor 7, the outlet end of the coal-seeding air branch pipe 10 is connected to the Venturi tube 9, and the inlet end of the coal-seeding air branch pipe 10 is connected to the boiler 1; the conveyor 7 is provided with a feeding hole 11; the coal-spreading air branch pipe 10 is provided with an A valve 12; and a valve B13 is arranged at the joint between the metal expansion joint 8 and the inlet of the discharge pipe 5.
Example 6 of the utility model: a solid waste fuel feeding and feeding device comprises a boiler 1, wherein the boiler 1 comprises a hearth rear wall 2, a feeding device 3 is arranged on the hearth rear wall 2, a rear wall hole 4 is formed in the hearth rear wall 2, the feeding device 3 comprises a discharging pipe 5, a pneumatic conveying device 6 and a conveyor 7 which are sequentially connected, a metal expansion joint 8 is arranged between an inlet of the discharging pipe 5 and the pneumatic conveying device 6, and the discharging pipe 5 is connected with the rear wall hole 4; the pneumatic conveying device 6 comprises a Venturi tube 9 and a coal-spreading air branch tube 10, one end of the Venturi tube 9 is connected with a metal expansion joint 8, the other end of the Venturi tube 9 is connected with a discharge hole of the conveyor 7, the outlet end of the coal-spreading air branch tube 10 is connected to the Venturi tube 9, and the inlet end of the coal-spreading air branch tube 10 is connected to the boiler 1; a feed inlet 11 is formed in the conveyor 7, and the conveyor 7 adopts a spiral conveyor; the coal-spreading air branch pipe 10 is provided with an A valve 12; and a B valve 13 is arranged at the joint between the metal expansion joint 8 and the inlet of the discharge pipe 5, and the A valve 12 and the B valve 13 both adopt electric gate valves.
The working principle of one embodiment of the utility model is as follows: when the coal-fired boiler works, the valve A12 and the valve B13 are opened, solid waste fuel enters the feed inlet 11, coal-fired air in a hearth of the boiler 1 is guided and connected through the coal-fired air branch pipe 9, coal-fired air in the boiler 1 passes through the venturi pipe 9 through the coal-fired air branch pipe 10, the solid waste fuel is conveyed to the venturi pipe 9 by the conveyor 7, and the coal-fired air and the solid waste fuel pass through the metal expansion joint 8 and the discharge pipe 5 and enter the hearth of the boiler 1 from the rear wall hole 4 to be combusted.
Claims (5)
1. The utility model provides a gu useless fuel goes into stove feeder, includes boiler (1), its characterized in that, boiler (1) includes furnace back wall (2), be provided with feeder (3) on furnace back wall (2), back wall hole (4) have been seted up on furnace back wall (2), feeder (3) are including discharging pipe (5), pneumatic conveyor (6) and cargo airplane (7) that connect gradually, be provided with metal expansion joint (8) between discharging pipe (5) import and pneumatic conveyor (6), discharging pipe (5) are connected with back wall hole (4).
2. The feeding device for the solid waste fuel to enter the furnace according to the claim 1, wherein the pneumatic conveying device (6) comprises a venturi tube (9) and a coal-spreading air branch tube (10), one end of the venturi tube (9) is connected with the metal expansion joint (8), the other end of the venturi tube (9) is connected with a discharge port of the conveyor (7), an outlet end of the coal-spreading air branch tube (10) is connected with the venturi tube (9), and an inlet end of the coal-spreading air branch tube (10) is connected with the boiler (1).
3. The feeding device of claim 1, wherein the conveyor (7) is provided with a feeding hole (11).
4. The feeding device for the solid waste fuel into the furnace as claimed in claim 2, wherein the coal-spreading air branch pipe (10) is provided with an A valve (12).
5. The feeding device of claim 1, wherein a valve B (13) is arranged at the joint between the metal expansion joint (8) and the inlet of the discharging pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961392.6U CN216591730U (en) | 2021-11-26 | 2021-11-26 | Solid waste fuel feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122961392.6U CN216591730U (en) | 2021-11-26 | 2021-11-26 | Solid waste fuel feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216591730U true CN216591730U (en) | 2022-05-24 |
Family
ID=81649076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122961392.6U Active CN216591730U (en) | 2021-11-26 | 2021-11-26 | Solid waste fuel feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216591730U (en) |
-
2021
- 2021-11-26 CN CN202122961392.6U patent/CN216591730U/en active Active
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