CN221122172U - Upper drum device of boiler - Google Patents
Upper drum device of boiler Download PDFInfo
- Publication number
- CN221122172U CN221122172U CN202322837449.0U CN202322837449U CN221122172U CN 221122172 U CN221122172 U CN 221122172U CN 202322837449 U CN202322837449 U CN 202322837449U CN 221122172 U CN221122172 U CN 221122172U
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- Prior art keywords
- shell
- pipe
- water
- boiler
- steam
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000000926 separation method Methods 0.000 claims abstract description 17
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims abstract description 9
- 238000001704 evaporation Methods 0.000 claims abstract description 7
- 230000008020 evaporation Effects 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 6
- 230000000630 rising effect Effects 0.000 claims abstract description 5
- 239000010865 sewage Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 239000012266 salt solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
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- Cyclones (AREA)
Abstract
The utility model discloses a boiler barrel feeding device of a boiler, and aims to provide the boiler barrel feeding device of the boiler with good steam-water separation effect. The device comprises a shell with an evaporation cavity and a water supplementing cavity, a plurality of saturated steam discharge pipes arranged at the top of the shell, steam-water separation shutters arranged in the shell and communicated with the saturated steam discharge pipes, a plurality of cyclone separators arranged at one side in the shell, a rising pipe and a falling pipe arranged at the lower part of the shell, and a dosing pipe, a pollution discharge main pipe and a water inlet pipe which extend into the shell; a water tank is arranged in the shell and below one side of the cyclone separator, a platform plate which is overlapped with the water tank is arranged in the shell, the other side of the platform plate is fixedly connected with the shell, and the platform plate is lower than the liquid level of the water supplementing cavity and is provided with a plurality of through holes; the dosing pipe is fixedly connected to the lower end of the platform plate, and the spraying pipe of the dosing pipe faces downwards. The utility model is suitable for various water pipe boilers.
Description
Technical Field
The utility model relates to the technical field of steam boilers, in particular to a boiler barrel feeding device of a boiler.
Background
In a water tube boiler, an upper drum is mainly used for conveying boiler water to the tubes of an evaporation heating surface, receiving a steam-water mixture from an evaporation tube bundle and performing steam-water separation in the steam-water mixture. The separated saturated steam is heated into superheated steam by a steam superheater and then steam is supplied to the outside. The chemical adding of the chemical adding pipe in the existing upper boiler barrel adopts upward spraying, and the salt solution (trisodium phosphate solution) entering the upper boiler barrel through the chemical adding pipe is directly sprayed upward under the pressure effect, so that the salt solution is very easily brought into a steam superheater by a water-steam mixture and is adhered to the pipe wall of the steam superheater, and the pipe body deformation and pipe explosion are caused by the overheating of the pipe wall of the steam superheater.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provides a boiler barrel feeding device of a boiler. The method can effectively reduce the impurities such as salt entering the steam superheater and improve the service life of the steam superheater.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The upper drum device of the boiler comprises a shell with an evaporation cavity and a water supplementing cavity, a plurality of saturated steam discharge pipes arranged at the top of the shell, steam-water separation shutters arranged in the shell and communicated with the saturated steam discharge pipes, a plurality of cyclone separators arranged at one side in the shell, a rising pipe and a falling pipe arranged at the lower part of the shell, and a dosing pipe, a pollution discharge main pipe and a water inlet pipe which extend into the shell; a water tank is arranged in the shell and below one side of the cyclone separator, a platform plate which is overlapped with the water tank is arranged in the shell, the other side of the platform plate is fixedly connected with the shell, and the platform plate is lower than the liquid level of the water supplementing cavity and is provided with a plurality of through holes; the dosing pipe is fixedly connected to the lower end of the platform plate, and the spraying pipe of the dosing pipe faces downwards.
Preferably, the main sewage pipe is arranged at the upper end of the platform plate, a plurality of main sewage pipes are arranged on the main sewage pipe, and the pipe orifices of the main sewage pipes face upwards and are inclined ports.
Preferably, the steam-water separation louver is obliquely arranged, and the higher end of the steam-water separation louver is positioned on one side of the cyclone separator.
Preferably, the upper end of the cyclone separator is provided with a cylinder body, and a plurality of guide plates for steam-water separation are arranged in the cylinder body.
Preferably, the cyclone separator comprises a cylindrical shell and a bottom plate positioned at the lower part of the cylindrical shell, and a plurality of guide vanes are uniformly distributed on the outer edge of the bottom plate in an annular mode.
Preferably, a plurality of first support plates for supporting the water tank are provided in the housing, and a plurality of second support plates for supporting the platform plate are provided in the housing.
Compared with the prior art, the utility model has the following advantages:
(1) According to the utility model, the spray holes of the dosing pipe are downwards arranged, and the platform plate is arranged above the dosing pipe, so that the fluctuation of the liquid level in the upper cylinder can be reduced, and the salt solution added by the dosing pipe can be fully mixed with the water body in the upper cylinder, so that the salt content entering the steam superheater along with the water vapor mixture is reduced. Meanwhile, the platform plate can facilitate the overhaul of the cyclone separator and other components in the upper cylinder body manually.
(2) The water tank is arranged below the cyclone separator, so that fluctuation of the liquid level in the cyclone can be effectively reduced, the content of small water drops in the vapor mixture evaporated by the liquid level is reduced, the water entering the cyclone separator is reduced, and the load of the cyclone separator is reduced.
(3) The drain branch pipe adopts the bevel connection to drain at the liquid level in the upper boiler barrel, so that the impurities such as the boiler water with larger salinity, oil and foam floating on the water surface and the like in the boiler can be effectively removed, scale formation on the heating surface is avoided, and corrosion of the heating surface is prevented.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an enlarged cross-sectional view of A-A of fig. 1.
Figure 3 is an enlarged cross-sectional view of the cyclone and its upper components.
FIG. 4 is an enlarged view of the structure of the base plate and guide vane.
Wherein:
The device comprises a 1-evaporation cavity, a 2-water supplementing cavity, a 3-shell, a 4-saturated steam discharge pipe, a 5-steam-water separation shutter, a 6-cyclone separator, a 7-rising pipe, a 8-falling pipe, a 9-dosing pipe, a 10-pollution discharge main pipe, a 11-water inlet pipe, a 12-water tank, a 13-platform plate, a 14-medicine spraying pipe, a 15-pollution discharge branch pipe, a 16-cylinder body, a 17-guide plate, a 18-cylinder shell, a 19-bottom plate, 20-guide vanes, a 21-first support plate and a 22-second support plate.
Detailed Description
In order to more clearly illustrate the objects, technical solutions and advantages of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive effort, are within the scope of protection of the present utility model based on the embodiments described below.
In the description of the present utility model, technical or scientific terms used should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present utility model belongs. It should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," "configured," and the like are to be construed broadly and include, for example, fixedly connected, configured, detachably connected, configured, and integrally connected and configured. The terms "coupled" and "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, as those skilled in the art will appreciate the particular meaning of the terms in this disclosure as appropriate. The terms "comprises," "comprising," or the like, are intended to cover an element or article appearing before the term and the equivalents thereof recited after the term, without excluding other elements or articles. The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
Meanwhile, in order to keep the following description of the embodiments of the present utility model clear and concise, detailed descriptions of known functions and known components are omitted.
As shown in the drawings, the upper drum device of the boiler comprises a shell 3 with an evaporation cavity 1 and a water supplementing cavity 2, a plurality of saturated steam discharge pipes 4 arranged at the top of the shell 3, steam-water separation shutters 5 arranged in the shell 3 and communicated with the saturated steam discharge pipes 4, a plurality of cyclone separators 6 arranged at one side in the shell 3, a rising pipe 7 and a falling pipe 8 arranged at the lower part of the shell 3, and a dosing pipe 9, a pollution discharge main pipe 10 and a water inlet pipe 11 which extend into the shell 3; a water tank 12 is arranged in the shell 3 and below one side of the cyclone separator 6, a platform plate 13 overlapped with the water tank 12 is arranged in the shell 3, the other side of the platform plate 13 is fixedly connected with the shell 3, and the platform plate 13 is lower than the liquid level of the water supplementing cavity 2 and is provided with a plurality of through holes (not shown in the figure); the dosing tube 9 is fixedly connected to the lower end of the platform plate 13, and the spraying tube 14 of the dosing tube faces downwards.
As a preferred technical solution of this embodiment, the main blowdown pipe 10 is disposed at the upper end of the platform plate 13, and the main blowdown pipe 10 is provided with a plurality of branch blowdown pipes 15, and the pipe orifices of the branch blowdown pipes 15 face upward and are inclined ports. The pollution discharge branch pipe can effectively remove impurities such as boiler water with larger salinity, oil and foam floating on the water surface and the like in the boiler so as to avoid scale formation on the heating surface and prevent corrosion of the heating surface.
As a preferable technical solution of this embodiment, the steam-water separation louver 5 is disposed obliquely, and the higher end is located at one side of the cyclone separator 6. The steam-water separation louver 5 can be convenient for the discharge of the separated water, and the discharged water avoids the rising steam-water mixture as much as possible.
As a preferable solution of this embodiment, a cylinder 16 is disposed at the upper end of the cyclone separator 6, and a plurality of guide plates 17 for steam-water separation are disposed in the cylinder 16. The steam-water mixture can be further separated, and the steam purity is improved.
As a preferred technical solution of this embodiment, the cyclone separator 6 includes a cylindrical shell 18, and a bottom plate 19 located at a lower portion of the cylindrical shell 18, where a plurality of guide vanes 20 are uniformly distributed on an outer edge of the bottom plate 19 in an annular manner. The bottom plate can ensure the stability of the liquid level in the cyclone separator, and the guide vane can realize the balance of the water level and reduce the fluctuation of the water body.
As a preferable solution of this embodiment, a plurality of first support plates 21 for supporting the water tank 12 are provided in the housing 3, and a plurality of second support plates 22 for supporting the platform plate 13 are provided in the housing 3.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, and improvement of the technical solution or part of the technical features described in the above specific embodiments should be included in the protection scope of the present utility model, which should be included in the spirit and principle of the present utility model, for those skilled in the art.
Claims (10)
1. An upper drum device of a boiler comprises a shell (3) with an evaporation cavity (1) and a water supplementing cavity (2), a plurality of saturated steam discharge pipes (4) arranged at the top of the shell (3), steam-water separation shutters (5) arranged in the shell (3) and communicated with the saturated steam discharge pipes (4), a plurality of cyclone separators (6) arranged at one side in the shell (3), a rising pipe (7) and a falling pipe (8) arranged at the lower part of the shell (3), and a dosing pipe (9), a pollution discharge main pipe (10) and a water inlet pipe (11) which extend into the shell (3); the method is characterized in that: a water tank (12) is arranged in the shell (3) and below one side of the cyclone separator (6), a platform plate (13) which is overlapped with the water tank (12) is arranged in the shell (3), the other side of the platform plate (13) is fixedly connected with the shell (3), and the platform plate (13) is lower than the liquid level of the water supplementing cavity (2) and is provided with a plurality of through holes; the dosing tube (9) is fixedly connected to the lower end of the platform plate (13) and the spraying tube (14) of the dosing tube faces downwards.
2. The upper drum device of a boiler according to claim 1, wherein: the sewage draining main pipe (10) is arranged at the upper end of the platform plate (13), a plurality of sewage draining branch pipes (15) are arranged on the sewage draining main pipe (10), and pipe orifices of the sewage draining branch pipes (15) face upwards and are inclined openings.
3. Upper drum device of a boiler according to claim 1 or 2, characterized in that: the steam-water separation louver (5) is obliquely arranged, and the higher end of the steam-water separation louver is positioned at one side of the cyclone separator (6).
4. Upper drum device of a boiler according to claim 1 or 2, characterized in that: the upper end of the cyclone separator (6) is provided with a cylinder body (16), and a plurality of guide plates (17) for steam-water separation are arranged in the cylinder body (16).
5. A boiler upper drum apparatus according to claim 3, wherein: the upper end of the cyclone separator (6) is provided with a cylinder body (16), and a plurality of guide plates (17) for steam-water separation are arranged in the cylinder body (16).
6. Upper drum device of a boiler according to claim 1 or 2, characterized in that: the cyclone separator (6) comprises a cylindrical shell (18) and a bottom plate (19) positioned at the lower part of the cylindrical shell (18), wherein a plurality of guide vanes (20) are uniformly distributed on the outer edge of the bottom plate (19) in an annular mode.
7. A boiler upper drum apparatus according to claim 3, wherein: the cyclone separator (6) comprises a cylindrical shell (18) and a bottom plate (19) positioned at the lower part of the cylindrical shell (18), wherein a plurality of guide vanes (20) are uniformly distributed on the outer edge of the bottom plate (19) in an annular mode.
8. The upper drum device of the boiler according to claim 4, wherein: the cyclone separator (6) comprises a cylindrical shell (18) and a bottom plate (19) positioned at the lower part of the cylindrical shell (18), wherein a plurality of guide vanes (20) are uniformly distributed on the outer edge of the bottom plate (19) in an annular mode.
9. Upper drum device of a boiler according to claim 1 or 2, characterized in that: a plurality of first support plates (21) for supporting the water tank (12) are arranged in the shell (3), and a plurality of second support plates (22) for supporting the platform plate (13) are arranged in the shell (3).
10. A boiler upper drum apparatus according to claim 3, wherein: a plurality of first support plates (21) for supporting the water tank (12) are arranged in the shell (3), and a plurality of second support plates (22) for supporting the platform plate (13) are arranged in the shell (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837449.0U CN221122172U (en) | 2023-10-23 | 2023-10-23 | Upper drum device of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837449.0U CN221122172U (en) | 2023-10-23 | 2023-10-23 | Upper drum device of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221122172U true CN221122172U (en) | 2024-06-11 |
Family
ID=91340467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837449.0U Active CN221122172U (en) | 2023-10-23 | 2023-10-23 | Upper drum device of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221122172U (en) |
-
2023
- 2023-10-23 CN CN202322837449.0U patent/CN221122172U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |