CN219390094U - Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler - Google Patents
Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler Download PDFInfo
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- CN219390094U CN219390094U CN202223100430.XU CN202223100430U CN219390094U CN 219390094 U CN219390094 U CN 219390094U CN 202223100430 U CN202223100430 U CN 202223100430U CN 219390094 U CN219390094 U CN 219390094U
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Abstract
The utility model discloses an oil cooling arch structure suitable for a high-power chain grate organic heat carrier boiler, which comprises a boiler body, wherein a front header and a front coil are arranged in the front side area in the boiler body, and a rear header and a rear coil are arranged in the rear side area in the boiler body; the front lower header is connected with the front header in the boiler body through a communicating pipe, the front upper header is connected with a front coil in the boiler body through a communicating pipe, and the front lower header and the front upper header are correspondingly connected through a front arch heating surface pipe. The device is connected into the medium flow of the body in series by the set drainage and heat dissipation mode, takes away the heat in the arch, effectively reduces the temperature of the furnace arch and prolongs the service life of the furnace arch; in addition, back iron is welded on the front and rear heating surface pipes and the front and rear upper and lower headers, and the back iron is stably fixed on the boiler grate steel frame through the support and the suspender, so that the boiler arch can be supported.
Description
Technical Field
The utility model relates to the technical fields of operation, maintenance and boiler heating surface design of an organic heat carrier boiler, in particular to an oil cooling arch structure suitable for a high-power chain grate organic heat carrier boiler.
Background
More and more small and medium-sized organic heat carrier boilers are eliminated, which results in the trend of centralized heat supply of large-sized organic heat carrier boilers.
For the high-power chain grate organic heat carrier boiler, the width of the grate surface needs to be correspondingly increased in order to improve the combustion surface area of the combustion area, and the too wide grate surface can increase the masonry difficulty of the concrete structure furnace arch.
When the furnace arch with large width is not supported by rigid materials, the furnace arch is easy to crack, break and collapse, and if the steel bar is directly used as a rigid support, the steel bar can be quickly softened at high temperature, so that the furnace arch is not protected. Therefore, when the boiler system is provided with a waste heat steam boiler, the organic heat carrier boiler with the chain grate generally adopts a water cooling arch structure to serve as a rigid support of the furnace arch.
On the one hand, if the furnace body does not need steam, the existing organic heat carrier boiler can not provide support; on the other hand, the service life of the boiler body can be seriously influenced under the condition that the supporting temperature of the furnace arch in the existing boiler body is not too high.
Therefore, in order to solve the above problems, it is necessary to develop an oil cooling arch structure suitable for a high-power traveling grate organic heat carrier boiler, which can conveniently support the furnace arch and prolong the service life of the furnace body.
Disclosure of Invention
The utility model aims at overcoming the defects in the prior art and provides an oil cooling arch structure suitable for a high-power chain grate organic heat carrier boiler; the technical scheme is as follows:
an oil cooling arch structure suitable for a high-power chain grate organic heat carrier boiler comprises a boiler body, wherein a front header and a front coil are arranged in the front side area in the boiler body, and a rear header and a rear coil are arranged in the rear side area in the boiler body;
the front lower header is connected with the front header in the boiler body through a communicating pipe, the front upper header is connected with a front coil in the boiler body through a communicating pipe, and the front lower header and the front upper header are correspondingly connected through a front arch heating surface pipe;
the outside of the rear side area of the boiler body is provided with a rear lower header and a rear upper header, the rear lower header is connected with the rear header in the boiler body through a communicating pipe, the rear upper header is connected with a rear coil pipe in the boiler body through the communicating pipe, and the rear lower header and the rear upper header are connected with a rear arch heating surface pipe.
Preferably, the front upper header is located above the front lower header, and the rear upper header is located above the rear lower header.
Preferably, the front arch heating surface pipes between the front upper header and the front lower header and the rear arch heating surface pipes between the rear upper header and the rear lower header are all arranged into a plurality of uniformly-spaced tubular structures.
Preferably, the front arch heating surface pipe and the rear arch heating surface pipe are buried in the furnace arch fire resistance; and the shape and the outline of the front arch heating surface pipe and the rear arch heating surface pipe are consistent with the fire resistance of the furnace arch.
Preferably, the front upper header, the front lower header, the rear upper header and the rear lower header are all stably fixed on the fire grate steel frame.
Preferably, the front arch heating surface pipe and the rear arch heating surface pipe as well as the front upper header, the front lower header, the rear upper header and the rear lower header are correspondingly welded with back irons, and the back irons are stably fixed on a fire grate steel frame of a boiler body through the arranged support and the suspender to support the furnace arch.
Preferably, a communicating header is further arranged between the front header and the front lower header, and the communicating header is arranged outside the boiler body.
The beneficial effects are that: the utility model has the following beneficial effects: the device is provided with a front arch heating surface pipe and a rear arch heating surface pipe which are used for radiating heat outside a furnace body, and a front upper header, a front lower header, a rear upper header, a rear lower header, a communicating header and a communicating pipe which are matched for drainage; the heat quantity in the arch is taken away by the way of drainage and heat dissipation which is arranged and is connected into the medium flow of the body in series, so that the temperature of the furnace arch is effectively reduced, and the service life of the furnace arch is prolonged; in addition, back iron is welded on the front and rear heating surface pipes and the front and rear upper and lower headers, and is stably fixed on a boiler grate steel frame through a support and a suspender, so that a furnace arch can be supported; the problem of rigid support of the furnace arch under the condition of no steam is effectively solved, and the problem of prolonging the service life of the furnace arch is also solved.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a sectional view of B-B in fig. 1.
Detailed Description
The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, 2 and 3, an oil cooling arch structure suitable for a high-power traveling grate organic heat carrier boiler comprises a boiler body 1, wherein a front header 2 and a front coil 3 are arranged in the front side area in the boiler body 1, and a rear header 4 and a rear coil 5 are arranged in the rear side area in the boiler body 1;
the outside of the front side area of the boiler body 1 is also provided with a front lower header 6 and a front upper header 7, the front lower header 6 is connected with the front side header 2 inside the boiler body 1 through a communicating pipe 13, the front upper header 7 is connected with the front side coil 3 inside the boiler body 1 through the communicating pipe 13, and the front lower header 6 and the front upper header 7 are correspondingly connected through a front arch heating surface pipe 8;
the outside of the rear side area of the boiler body 1 is provided with a rear lower header 9 and a rear upper header 10, the rear lower header 9 is connected with the rear side header 4 in the boiler body 1 through a communicating pipe 13, the rear upper header 10 is connected with the rear side coil 5 in the boiler body 1 through the communicating pipe 13, and the rear lower header 9 and the rear upper header 10 are connected with a rear arch heating surface pipe 11.
The front upper header 7 is positioned above the front lower header 6, and the rear upper header 10 is positioned above the rear lower header 9; the front arch heating surface pipes 8 between the front upper header 7 and the front lower header 6 and the rear arch heating surface pipes 11 between the rear upper header 10 and the rear lower header 9 are all arranged in a plurality of uniformly spaced tubular structures.
The front arch heating surface pipe 8 and the rear arch heating surface pipe 11 are buried in the furnace arch fire resistance; and the shape and the outline of the front arch heating surface pipe 8 and the rear arch heating surface pipe 11 are consistent with the fire resistance of the furnace arch.
The front upper header 7, the front lower header 6, the rear upper header 10 and the rear lower header 9 are all stably fixed on the fire grate steel frame.
Back iron is welded on the front arch heating surface pipe 8, the rear arch heating surface pipe 11, the front upper header 7, the front lower header 6, the rear upper header 10 and the rear lower header 9 correspondingly, and the back iron is stably fixed on a fire grate steel frame of the boiler body 1 through a support and a suspender, so as to support the furnace arch.
A communication header 12 is also provided between the front header 2 and the front lower header 6, and the communication header 12 is provided outside the boiler body 1.
The device has the following specific structure and specific working process: the device comprises a front coil, a rear coil, a front upper header, a front lower header, a rear upper header, a rear lower header, a front arch heating surface pipe, a rear arch heating surface pipe, a communicating header and a communicating pipe.
The organic heat carrier is led out from the front header and the rear header of the boiler body after being heated by the convection section of the boiler body, respectively enters the front lower header and the rear lower header of the oil cooling arch through corresponding communicating pipes, respectively enters the front upper header and the rear upper header through the front arch heating surface pipe and the rear arch heating surface pipe, and finally correspondingly enters the front coil and the rear coil through the communicating pipes.
The method is connected into the medium flow of the body in series, thereby taking away heat in the furnace arch, effectively reducing the temperature of the furnace arch and prolonging the service life of the furnace arch; in addition, back iron is welded on the front and rear heating surface pipes and the front and rear upper and lower headers, and is stably fixed on a boiler grate steel frame through a support and a suspender, so that a furnace arch can be supported; the problem of rigid support of the furnace arch under the condition of no steam is effectively solved, and the problem of prolonging the service life of the furnace arch is also solved.
The above detailed description is only a preferred embodiment of the present utility model and is not intended to limit the scope of the claims, but all equivalent changes and modifications that can be made according to the protection scope of the claims are included in the scope of the claims.
Claims (7)
1. Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler, its characterized in that: the boiler comprises a boiler body (1), wherein a front header (2) and a front coil (3) are arranged in the front side area in the boiler body (1), and a rear header (4) and a rear coil (5) are arranged in the rear side area in the boiler body (1);
the front lower header (6) and the front upper header (7) are further arranged outside the front side area of the boiler body (1), the front lower header (6) is connected with the front side header (2) inside the boiler body (1) through a communicating pipe (13), the front upper header (7) is connected with the front side coil (3) inside the boiler body (1) through the communicating pipe (13), and the front lower header (6) and the front upper header (7) are correspondingly connected through a front arch heating surface pipe (8);
the outside of the rear side area of the boiler body (1) is provided with a rear lower header (9) and a rear upper header (10), the rear lower header (9) is connected with the rear side header (4) in the boiler body (1) through a communicating pipe (13) arranged, the rear upper header (10) is connected with a rear side coil pipe (5) in the boiler body (1) through the communicating pipe (13), and the rear lower header (9) and the rear upper header (10) are connected with a rear arch heating surface pipe (11).
2. The oil cooling arch structure suitable for a high-power traveling grate stoker organic heat carrier boiler according to claim 1, wherein: the front upper header (7) is positioned above the front lower header (6), and the rear upper header (10) is positioned above the rear lower header (9).
3. The oil cooling arch structure suitable for a high-power traveling grate stoker organic heat carrier boiler according to claim 2, wherein: the front arch heating surface pipes (8) between the front upper header (7) and the front lower header (6) and the rear arch heating surface pipes (11) between the rear upper header (10) and the rear lower header (9) are all arranged into a plurality of uniformly-spaced tubular structures.
4. An oil cooling arch structure suitable for high power traveling grate stoker organic heat carrier boiler according to claim 3, wherein: the front arch heating surface pipe (8) and the rear arch heating surface pipe (11) are buried in the furnace arch fire resistance; and the shape outline of the front arch heating surface pipe (8) and the rear arch heating surface pipe (11) is consistent with the fire resistance of the furnace arch.
5. The oil cooling arch structure suitable for a high-power traveling grate stoker organic heat carrier boiler according to claim 1, wherein: the front upper header (7), the front lower header (6), the rear upper header (10) and the rear lower header (9) are all stably fixed on the fire grate steel frame.
6. The oil cooling arch structure for high-power traveling grate stoker organic heat carrier boiler according to claim 5, wherein: the front arch heating surface pipe (8), the rear arch heating surface pipe (11), the front upper header (7), the front lower header (6), the rear upper header (10) and the rear lower header (9) are correspondingly welded with back irons, and the back irons are stably fixed on a fire grate steel frame of the boiler body (1) through the arranged support and the suspender to support the furnace arch.
7. The oil cooling arch structure suitable for a high-power traveling grate stoker organic heat carrier boiler according to claim 1, wherein: a communication header (12) is further arranged between the front header (2) and the front lower header (6), and the communication header (12) is arranged outside the boiler body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223100430.XU CN219390094U (en) | 2022-11-22 | 2022-11-22 | Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223100430.XU CN219390094U (en) | 2022-11-22 | 2022-11-22 | Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219390094U true CN219390094U (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223100430.XU Active CN219390094U (en) | 2022-11-22 | 2022-11-22 | Oil cooling arch structure suitable for high-power chain grate organic heat carrier boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219390094U (en) |
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2022
- 2022-11-22 CN CN202223100430.XU patent/CN219390094U/en active Active
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