CN216769375U - Integrated oil and gas boiler - Google Patents
Integrated oil and gas boiler Download PDFInfo
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- CN216769375U CN216769375U CN202220185238.6U CN202220185238U CN216769375U CN 216769375 U CN216769375 U CN 216769375U CN 202220185238 U CN202220185238 U CN 202220185238U CN 216769375 U CN216769375 U CN 216769375U
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Abstract
The utility model relates to an integrated oil and gas boiler, which comprises a burner (1), a hearth (2), a screen type heating surface (3) in the hearth, a superheater (4), an upper drum (5), a convection bank (6), a smoke baffle (7), a tail flue (8), an economizer (9), a condenser (10), a lower drum (11), an outlet flue (12) and a drain hopper (13), wherein the economizer and the condenser are accommodated in a boiler body by adopting the horizontal and vertical arrangement of the double drums, so that the floor area of the boiler is reduced; the whole boiler is of a cubic structure, so that the surface area of the boiler is reduced to the maximum extent, and the heat dissipation loss of the boiler is reduced; the whole boiler need not additionally to connect the flue, and the whole boiler is supported fixedly by the body of boiler bottom, need not the steelframe and hangs, improves the efficiency when can reduce the steel consumption to possess and take up an area of advantage little, that the appearance is compact, provide help for promoting the large-scale development of oil gas boiler.
Description
Technical Field
The utility model relates to a boiler, in particular to an integrated oil and gas boiler.
Background
With the continuous enhancement of the policies of energy conservation, emission reduction and low carbon of the boiler, the large-scale and high-efficiency development of the oil-fired and gas-fired boiler is greatly promoted.
At present, the traditional oil-fired and gas-fired boilers are divided into two types of arrangement, namely horizontal arrangement and vertical arrangement, wherein the horizontal arrangement has the advantages of light weight and convenience in arrangement, but the occupied area is large, so that the development of large-scale boilers is limited; the vertical arrangement has the advantage of small floor area, is suitable for the large-scale development of boilers, but needs to increase a supporting steel frame in order to ensure that the boilers can stand stably and the boilers can be maintained in normal operation, and has the problem of large steel consumption.
In order to improve the energy efficiency of the traditional oil and gas fired boiler, the common practice at present is to reduce the heat loss of the exhaust smoke, namely, to reduce the temperature of the exhaust smoke by adding an economizer and a condenser. The increasing mode of energy-saving appliance and condenser, the tradition way is that the boiler adopts split type structure, increases an independent flue in addition at boiler body lateral part, puts energy-saving appliance, condenser in the flue that newly increases, and new flue has increased boiler steel consumption and area, and has increased the boiler surface, increase boiler heat dissipation loss.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the integrated oil-gas boiler which can reduce steel consumption, improve energy efficiency, compact the appearance and reduce the occupied area, and provides help for promoting large-scale development of the oil-gas boiler.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the integrated oil and gas fired boiler comprises a burner, a hearth, a screen type heating surface in the hearth, a superheater, an upper drum, a convection tube bundle, a smoke baffle, a tail flue, an energy saver, a condenser, a lower drum, an outlet flue, a drain hopper, a body support, a front wall, side walls, intermediate partition walls and a rear wall, wherein the upper drum, the lower drum, the front wall, the side walls and the rear wall are combined into a relatively closed cavity structure to form a boiler body;
a chamber surrounded by the upper boiler barrel, the lower boiler barrel, the front wall, the side wall and the left middle partition wall is used as a hearth and used for fuel combustion and radiation heat transfer places, wherein the front wall forms the bottom, the front wall and the top boiler wall of the hearth;
the upper boiler barrel, the lower boiler barrel, the side wall and the cavity surrounded by the two middle partition walls at the left side and the middle part are used as a steering chamber for expanding the heat exchange area of a high-temperature radiation area and increasing the whole heating surface of the boiler, and are used for coordinating the whole smoke trend of the boiler and ensuring the smoke flow direction of a tail flue area of the boiler from top to bottom. The turning chamber can be internally provided with the superheater according to the design requirement of the boiler;
the convection bank is arranged in the area and consists of a large number of light pipes, and in order to reasonably adjust the flue gas flow velocity in the convection bank area and improve the heat exchange effect, a plurality of smoke baffle plates are arranged on the surface of the convection bank, so that the flue gas flow velocity in the convection bank area reaches the design requirement, the flue gas is in an S-shaped trend, and the convection bank is transversely scoured;
the boiler is characterized in that a cavity surrounded by the upper boiler barrel, the lower boiler barrel, the side walls and the right middle partition wall is used as a tail flue, an energy saver and a condenser are arranged in the tail flue, the effect of the energy saver and the condenser is embodied in that low-temperature working media with the temperature lower than the saturated working media temperature under the working pressure of the boiler are heated, the temperature of flue gas at the outlet end of the boiler is reduced, the temperature of discharged flue gas reaches the design requirement, a drain hopper is arranged at the bottom of the tail flue and used for periodically or continuously discharging condensed water in the flue gas, and outlet flues are arranged in the middle lower area of the tail flue and the rear wall and used as discharge ports of the low-temperature flue gas of the boiler.
The upper boiler barrel, the lower boiler barrel, the front wall, the side wall and the rear wall are combined and connected in a welding or expansion joint mode and the like.
In order to further improve the energy utilization rate of the boiler, the front wall, the side walls, the rear wall and the three intermediate partition walls all adopt membrane wall structures.
In order to expand the heat exchange area of the hearth region, the screen type heating surface in the hearth can be a light pipe, a membrane wall or an L shape or a U shape.
The membrane wall is a wall formed by welding a pipe and flat steel into a piece.
By the scheme, the utility model at least has the following advantages: compared with the conventional boiler, the energy saver and the condenser are accommodated in the boiler body by adopting the horizontal and vertical arrangement of the double drums, so that the floor area of the boiler is reduced; the whole boiler is of a cubic structure, so that the surface area of the boiler is reduced to the maximum extent, and the heat dissipation loss of the boiler is reduced; the whole boiler does not need to be additionally connected with a flue, so that the steel consumption of the flue is saved, the whole boiler is supported and fixed by the body at the bottom of the boiler, a steel frame is not needed for supporting and hanging, the steel consumption of a steel frame is saved, and the environment-friendly and economic benefits are remarkable.
Drawings
FIG. 1 is a schematic structural view of an integrated oil and gas boiler;
FIG. 2 is a schematic sectional top view of the integrated oil and gas boiler;
in the figure: 1. the boiler comprises a burner, 2, a hearth, 3, a screen type heating surface in the hearth, 4, a superheater, 5, an upper boiler barrel, 6, a convection tube bundle, 7, a smoke baffle, 8, a tail flue, 9, an economizer, 10, a condenser, 11, a lower boiler barrel, 12, an outlet flue, 13, a drain hopper, 14, a body support, 15, a front wall, 16, a side wall, 17, a middle partition wall, 18 and a rear wall.
Detailed Description
The utility model will be further explained with reference to the drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the integrated oil and gas fired boiler comprises a burner 1, a hearth 2, a screen-type heating surface 3 in the hearth, a superheater 4, an upper drum 5, a convection bank 6, a smoke barrier 7, a tail flue 8, an economizer 9, a condenser 10, a lower drum 11, an outlet flue 12, a drain hopper 13, a body support 14, a front wall 15, a side wall 16, a middle partition wall 17 and a rear wall 18, wherein the upper drum 5, the lower drum 11, the front wall 15, the side wall 16 and the rear wall 18 are combined together to form a boiler body in a relatively closed cavity structure, the surface of the boiler body is provided with the burner 1, the boiler body is divided into four regions by arranging three middle partition walls 17 in the cavity of the boiler body, and the boiler body is fixed by the body support 14;
a chamber surrounded by the upper boiler barrel 5, the lower boiler barrel 11, the front wall 15, the side wall 16 and the left middle partition wall 17 is used as a hearth 2 and used for fuel combustion and radiation heat transfer places, wherein the front wall 15 forms the bottom, the front wall and the top furnace wall of the hearth, a screen type heating surface 3 in the hearth is arranged in the hearth, the screen type heating surface 3 in the hearth can be arranged in the hearth 2 according to the design requirement of a boiler, and the screen type heating surface 3 in the hearth can be used for heating boiler water and can also be used for heating steam;
the upper boiler barrel 5, the lower boiler barrel 11, the side wall 16 and the two middle partition walls 17 at the left side and the middle part are surrounded to form a cavity which is used as a steering chamber and is used for expanding the heat exchange area of a high-temperature radiation area, increasing the overall heating surface of the boiler, coordinating the overall smoke trend of the boiler and ensuring the smoke flow direction of a flue area at the tail part of the boiler from top to bottom. The turning chamber can be internally provided with the superheater 4 according to the design requirement of the boiler;
the convection bank 6 is arranged in the area, the convection bank 6 is composed of a large number of light pipes, and in order to reasonably adjust the flue gas flow velocity in the convection bank area and improve the heat exchange effect, a plurality of smoke baffles 7 are arranged on the surface of the convection bank 6, so that the flue gas flow velocity in the convection bank area reaches the design requirement, the flue gas is in an S-shaped trend, and the convection bank 6 is transversely washed;
a cavity surrounded by the upper boiler barrel 5, the lower boiler barrel 11, the side wall 16 and the right middle partition wall 17 is used as a tail flue 8, an economizer 9 and a condenser 10 are arranged in the tail flue 8, the effect of the economizer is that low-temperature working media with the temperature lower than the saturated working media temperature under the working pressure of the boiler are heated, the temperature of flue gas at the outlet end of the boiler is reduced, the temperature of the flue gas at the outlet end of the boiler meets the design requirement, a drain hopper 13 is arranged at the bottom of the tail flue 8 and used for periodically or continuously removing condensed water in the flue gas, and an outlet flue 12 is arranged in the middle lower area of the tail flue 8 and the rear wall 18 and used as an outlet of the low-temperature flue gas of the boiler.
The upper boiler barrel 5, the lower boiler barrel 11, the front wall 15, the side walls 16 and the rear wall 18 are combined and connected in a welding or expansion joint mode and the like.
In order to further improve the energy utilization rate of the boiler, the front wall 15, the side walls 16, the rear wall 18 and the three intermediate partition walls 17 all adopt a membrane wall structure.
In order to expand the heat exchange area of the hearth region, the screen type heating surface 3 in the hearth can be a light pipe, a membrane wall or an L shape or a U shape.
The membrane wall is a wall formed by welding a pipe and flat steel into a piece.
When the integrated oil and gas boiler is used, the integrated oil and gas boiler is installed, a pipeline and accessory equipment are connected, and the boiler can be put into operation.
Has the advantages that: the energy saver and the condenser are accommodated in the boiler body by adopting the horizontal and vertical arrangement of the double drums, so that the floor area of the boiler is reduced; the whole boiler is of a cubic structure, so that the surface area of the boiler is reduced to the maximum extent, and the heat dissipation loss of the boiler is reduced; the whole boiler does not need to be additionally connected with a flue, so that the steel consumption of the flue is saved, the whole boiler is supported and fixed by the body at the bottom of the boiler, a steel frame is not needed for supporting and hanging, the steel consumption of a steel frame is saved, and the environment-friendly and economic benefits are remarkable.
Claims (5)
1. An integrated oil and gas boiler comprises a burner (1), a hearth (2), an upper boiler barrel (5), a tail flue (8), an economizer (9), a condenser (10), a lower boiler barrel (11), an outlet flue (12), a drain hopper (13), a body support (14), a front wall (15), a side wall (16) and a rear wall (18), and is characterized in that the upper boiler barrel (5), the lower boiler barrel (11), the front wall (15), the side wall (16) and the rear wall (18) are combined into a relatively closed cavity structure to form a boiler body, the surface of the boiler body is provided with the burner (1), the boiler body is divided into four regions by arranging three intermediate partition walls (17) in the cavity of the boiler body, and the boiler body is fixed by the body support (14);
a chamber surrounded by the upper boiler barrel (5), the lower boiler barrel (11), the front wall (15), the side wall (16) and the left middle partition wall (17) is used as a hearth (2), wherein the front wall (15) forms the bottom, the front wall and the top furnace wall of the hearth (2), and a screen type heating surface (3) in the hearth is arranged in the hearth;
a chamber surrounded by the upper boiler barrel (5), the lower boiler barrel (11), the side wall (16) and two middle partition walls (17) at the left side and the middle part is used as a turning chamber, and a superheater (4) is arranged in the turning chamber;
a cavity surrounded by the upper boiler barrel (5), the lower boiler barrel (11), the side wall (16) and two middle partition walls (17) at the middle part and the right side is used as a convection bank area, the convection bank (6) is arranged in the cavity, the convection bank (6) consists of a large number of light pipes, and a plurality of smoke barriers (7) are arranged on the surface of the convection bank (6);
the boiler is characterized in that a cavity surrounded by the upper boiler barrel (5), the lower boiler barrel (11), the side wall (16) and the right middle partition wall (17) is used as a tail flue (8), an energy saver (9) and a condenser (10) are arranged in the tail flue (8), a drain hopper (13) is arranged at the bottom of the tail flue (8), and an outlet flue (12) is arranged in the middle lower area of the tail flue (8) and the rear wall (18).
2. The integrated oil and gas boiler as set forth in claim 1, characterized in that the upper drum (5), the lower drum (11), the front wall (15), the side wall (16) and the rear wall (18) are connected by welding or expansion joint.
3. The integrated oil and gas boiler as set forth in claim 1 or 2, characterized in that the front wall (15), the side walls (16), the rear wall (18) and the three intermediate walls (17) are all of membrane wall structure.
4. The integrated oil and gas boiler as set forth in claim 1, characterized in that said screen-type heating surface (3) in the furnace is a light pipe, a membrane wall, or an L-shape or a U-shape.
5. An integrated oil and gas boiler as set forth in claim 3, wherein said membrane wall is a wall formed by welding a tube and a flat steel into a piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185238.6U CN216769375U (en) | 2022-01-24 | 2022-01-24 | Integrated oil and gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185238.6U CN216769375U (en) | 2022-01-24 | 2022-01-24 | Integrated oil and gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216769375U true CN216769375U (en) | 2022-06-17 |
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ID=81979347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220185238.6U Active CN216769375U (en) | 2022-01-24 | 2022-01-24 | Integrated oil and gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216769375U (en) |
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2022
- 2022-01-24 CN CN202220185238.6U patent/CN216769375U/en active Active
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Address after: 221000 China Resources Industrial Park, Huaihai International Port District, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Sifang Clean Energy Equipment Manufacturing Co.,Ltd. Address before: 221000 China Resources Industrial Park, Huaihai International Port District, Xuzhou City, Jiangsu Province Patentee before: JIANGSU SIFANG BOILER Co.,Ltd. |