CN216868463U - Convection bank for steam boiler evaporator - Google Patents
Convection bank for steam boiler evaporator Download PDFInfo
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- CN216868463U CN216868463U CN202220442418.8U CN202220442418U CN216868463U CN 216868463 U CN216868463 U CN 216868463U CN 202220442418 U CN202220442418 U CN 202220442418U CN 216868463 U CN216868463 U CN 216868463U
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- convection
- convection bank
- steam boiler
- bank
- boiler evaporator
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Abstract
The utility model relates to a convection bank for a steam boiler evaporator, which belongs to the technical field of steam boilers and comprises an upper header, a lower header and a convection bank, wherein the upper end of the convection bank is connected with the upper header, the lower end of the convection bank is connected with the lower header, the middle part of the convection bank is bent in a W shape in the horizontal direction, and by adopting the structure, the W-shaped bent convection bank is beneficial to dust falling off when in use, cannot be deposited in the convection bank, has larger heat exchange area, improved energy utilization rate and better energy-saving effect, has shorter length than the rectangular bank and saves the manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of steam boilers, and particularly relates to a convection bank for a steam boiler evaporator.
Background
The upper header and the lower header of the steam boiler are communicated with each other through the convection bank, the arrangement form of the traditional convection bank is the rectangular pulse waveform arrangement, the upper header and the lower header are away from a certain premise, the bank which is consumed by the rectangular wave structure is longer, the heat exchange area is smaller, the service life is long, dust is easily accumulated in the convection bank, and the convection effect is influenced.
Therefore, a convective bank for a steam boiler evaporator that saves bank, saves more energy, and is less prone to ash deposition is in the spotlight.
SUMMERY OF THE UTILITY MODEL
The utility model provides a convection bank for a steam boiler evaporator, which is used for solving the technical problems that the common convection bank in the prior art is easy to accumulate dust, has more material consumption and is not energy-saving.
The utility model is realized by the following technical scheme: the utility model provides a convection bank for steam boiler evaporimeter, includes upper header, lower header and convection bank, the upper end and the upper header of convection bank are connected and the lower extreme is connected with lower header, the middle part of convection bank is "W" font and buckles on the horizontal direction.
In order to better implement the present invention, in the above structure, the convection bank comprises four inclined tubes, and the included angle between two adjacent inclined tubes is 30 °.
In order to better implement the present invention, in the above structure, the convection bank further includes a bent tube, and two adjacent inclined tubes are connected through one bent tube.
In order to better implement the utility model, the structure is further optimized, and the inclined pipe and the bent pipe are of an integrated structure.
In order to better implement the utility model, the structure is further optimized, and the bending pipe is arc-shaped.
In order to better implement the utility model, the structure is further optimized, and the structure further comprises a guide plate, and the guide plate is arranged in the bent pipe.
In order to better implement the utility model, the structure is further optimized, and the guide plate is an arc plate.
In order to better implement the utility model, the structure is further optimized, and the guide plate is arranged concentrically with the bent pipe.
Compared with the prior art, the utility model has the following beneficial effects:
the convection tube bundle for the steam boiler evaporator comprises an upper header, a lower header and a convection tube bundle, wherein the upper end of the convection tube bundle is connected with the upper header, the lower end of the convection tube bundle is connected with the lower header, the middle part of the convection tube bundle is bent in a W shape in the horizontal direction, and by adopting the structure, the W-shaped bent convection tube bundle is beneficial to dust falling when in use, can not be deposited in the convection tube bundle, has larger heat exchange area, improved energy utilization rate and better energy-saving effect, has shorter length than the tube bundle arranged in a rectangular shape, saves the manufacturing cost, and has stronger practicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a convection bank for a steam boiler evaporator in accordance with the present invention;
FIG. 2 is a schematic view of the present invention showing the bent tube in an arc shape;
fig. 3 is a schematic view of the structure of a baffle in the present invention.
In the figure:
1, mounting a header;
2-lower header;
3-convection bank; 31-an inclined tube; 32-bending the tube;
4-a deflector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
in this embodiment, as shown in fig. 1, a convection bank for a steam boiler evaporator includes an upper header 1, a lower header 2, and a convection bank 3, and specifically, the upper end of the convection bank 3 is connected to the upper header 1, the lower end thereof is connected to the lower header 2, and the middle portion of the convection bank 3 is bent in a "W" shape in the horizontal direction.
By adopting the structure, the W-shaped bent convection tube bundle 3 is beneficial to dust falling when in use, can not be deposited in the convection tube bundle 3, has larger heat exchange area, improved energy utilization rate and better energy-saving effect, has shorter length than the tube bundle arranged in a rectangle, saves the manufacturing cost and has stronger practicability.
In this embodiment, as shown in fig. 1, the convection bank 3 includes four inclined tubes 31, an included angle between two adjacent inclined tubes 31 is 30 °, and the inclined tubes 31 are more favorable for dust to slide down along the walls of the inclined tubes 31, so that the dust falls into the lower header tank 2 along the W-shaped convection bank 3, and the dust is prevented from depositing in the convection bank 3 to affect the convection effect.
Further, as shown in fig. 1, the convection bank 3 further includes a bent pipe 32, the inclined pipes 31 and the bent pipe 32 are of an integral structure, two adjacent inclined pipes 31 are communicated with each other through one bent pipe 32, and the bent pipe 32 is communicated with the inclined pipe 31, so that the flue gas can more easily pass through the reverse position of the convection bank 3, and dust can be prevented from being deposited at the reverse position of the corner.
Preferably, as shown in fig. 2, the bent pipe 32 is arc-shaped, and the bent pipe 32 with the arc-shaped structure makes two adjacent inclined pipes 31 excessively smoother at the connection position, which is beneficial to rapid passage of smoke and dust, and further avoids dust deposition.
Example 2:
in this embodiment, as shown in fig. 1, a convection bank for a steam boiler evaporator includes an upper header 1, a lower header 2, and a convection bank 3, and specifically, the upper end of the convection bank 3 is connected to the upper header 1, the lower end thereof is connected to the lower header 2, and the middle portion of the convection bank 3 is bent in a "W" shape in the horizontal direction.
In this embodiment, as shown in fig. 1, the convection bank 3 includes four inclined tubes 31, an included angle between two adjacent inclined tubes 31 is 30 °, and the inclined tubes 31 are more favorable for dust to slide down along the walls of the inclined tubes 31, so that the dust falls into the lower header tank 2 along the W-shaped convection bank 3, and the dust is prevented from depositing in the convection bank 3 to affect the convection effect.
Further, as shown in fig. 1, the convection bank 3 further includes a bent pipe 32, the inclined pipes 31 and the bent pipe 32 are of an integral structure, two adjacent inclined pipes 31 are communicated with each other through one bent pipe 32, and the bent pipe 32 is communicated with the inclined pipe 31, so that the flue gas can more easily pass through the reverse position of the convection bank 3, and dust can be prevented from being deposited at the reverse position of the corner.
Preferably, as shown in fig. 2, the bent pipe 32 is arc-shaped, and the bent pipe 32 with an arc-shaped structure makes two adjacent inclined pipes 31 excessively smoother at the connection position, which is beneficial to rapid passage of flue gas and dust, and further avoids dust deposition.
As a specific implementation manner of this embodiment, as shown in fig. 3, the present invention further includes a flow guide plate 4, the flow guide plate 4 is disposed in the bent pipe 32, and the flow guide plate 4 is used to guide the flue gas and the dust in the convection bank 3 to rapidly pass through the bent pipe 32, so as to avoid the condition of airflow disorder when the flue gas passes through the bent pipe 32, and facilitate the flue gas to wash the dust to rapidly pass through the bent pipe 32, thereby avoiding the dust accumulation.
In this embodiment, as shown in fig. 3, the flow guide plate 4 is an arc plate, and has a radian consistent with that of the bent pipe 32, and as an optimization, the flow guide plate 4 and the bent pipe 32 are concentrically arranged, so that the flue gas flows more stably.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A convection bank for a steam boiler evaporator, characterized by: including last header, lower header and convection bank, the upper end and the last header of convection bank are connected and the lower extreme is connected with lower header, the mid portion of convection bank is "W" font and buckles on the horizontal direction.
2. A convection tube bundle for a steam boiler evaporator according to claim 1, characterized in that: the convection bank comprises four inclined tubes, and the included angle between every two adjacent inclined tubes is 30 degrees.
3. A convection tube bundle for a steam boiler evaporator according to claim 2, characterized in that: convection bank still includes the pipe of buckling, adjacent two the slope pipe all through one the pipe intercommunication of buckling.
4. A convection tube bundle for a steam boiler evaporator according to claim 3, characterized in that: the inclined pipe and the bent pipe are of an integrated structure.
5. A convection tube bundle for a steam boiler evaporator according to claim 4, characterized in that: the bending pipe is arc-shaped.
6. A convection tube bundle for a steam boiler evaporator according to claim 5, characterized in that: still include the guide plate, the guide plate sets up in the bending tube.
7. A convection tube bundle for a steam boiler evaporator according to claim 6, characterized in that: the guide plate is an arc plate.
8. A convection tube bundle for a steam boiler evaporator according to claim 7, characterized in that: the guide plate and the bent pipe are concentrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220442418.8U CN216868463U (en) | 2022-03-01 | 2022-03-01 | Convection bank for steam boiler evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220442418.8U CN216868463U (en) | 2022-03-01 | 2022-03-01 | Convection bank for steam boiler evaporator |
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| Publication Number | Publication Date |
|---|---|
| CN216868463U true CN216868463U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220442418.8U Active CN216868463U (en) | 2022-03-01 | 2022-03-01 | Convection bank for steam boiler evaporator |
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| CN (1) | CN216868463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773493A (en) * | 2022-11-30 | 2023-03-10 | 江苏东九重工股份有限公司 | U-shaped natural circulation boiler evaporation tube bundle |
-
2022
- 2022-03-01 CN CN202220442418.8U patent/CN216868463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115773493A (en) * | 2022-11-30 | 2023-03-10 | 江苏东九重工股份有限公司 | U-shaped natural circulation boiler evaporation tube bundle |
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