CN218721382U - Tower type boiler - Google Patents
Tower type boiler Download PDFInfo
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- CN218721382U CN218721382U CN202222773088.3U CN202222773088U CN218721382U CN 218721382 U CN218721382 U CN 218721382U CN 202222773088 U CN202222773088 U CN 202222773088U CN 218721382 U CN218721382 U CN 218721382U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model provides a tower boiler, tower boiler includes: the device comprises a body, a first working medium container, a first heat exchange device and a second working medium container, wherein a first flue gas inlet, a first flue gas outlet and a heat exchange cavity defined by the body are formed in the body; the first working medium container comprises a first working medium outlet; the first heat exchange device comprises heat exchange pipelines and a working medium mixing container, the working medium mixing container comprises a first working medium inlet and a second working medium outlet, each heat exchange pipeline comprises a plurality of annular sub-pipelines, the plurality of annular sub-pipelines are arranged at intervals in the vertical direction, and the plurality of annular sub-pipelines are communicated with one another; the second working medium container comprises a second working medium inlet, one end of each heat exchange pipeline is communicated with the first working medium inlet, the other end of each heat exchange pipeline is communicated with the first working medium outlet, and the second working medium outlet is communicated with the second working medium inlet. The utility model discloses a tower boiler has the less advantage of the thermal deviation of heating surface.
Description
Technical Field
The utility model relates to an electric power industry's technical field specifically, relates to a tower boiler.
Background
At present, high-parameter secondary reheating tower boilers at home and abroad mainly comprise two types of furnace types, namely an n-shaped tower boiler and a tower boiler. The tower type boiler has the characteristics of small occupied area, full drainage of a heating surface and the like, and is more applied to the tower type boiler of the prior 600-1000 MW high-parameter double reheating unit. The tower-type tower boiler in the related technology has the problems of large deviation of a heating surface and the like, and seriously restricts the capability of reaching a designed value of steam parameters and the safety and stability of operation when a unit runs, particularly when the unit runs at a low load, and reduces the efficiency of the unit.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a tower boiler, this tower boiler has the less advantage of the thermal deviation of heating surface.
The utility model discloses tower boiler of embodiment includes: the body comprises a first flue gas inlet, a first flue gas outlet and a heat exchange cavity defined by the body, wherein the first flue gas inlet is positioned below the first flue gas outlet, and the first flue gas inlet and the first flue gas outlet are both communicated with the heat exchange cavity; the first working medium container comprises a first working medium outlet; the first heat exchange device comprises a heat exchange pipeline and a working medium mixing container, the working medium mixing container comprises a first working medium inlet and a second working medium outlet, the number of the heat exchange pipelines is multiple, the heat exchange pipelines are arranged in parallel, the heat exchange pipelines are located between the first smoke inlet and the first smoke outlet in the vertical direction, each heat exchange pipeline comprises a plurality of annular sub pipelines, the annular sub pipelines are arranged at intervals in the vertical direction and are mutually communicated, and the radial sizes of the axes of the annular sub pipelines are increased along the direction from bottom to top; and the second working medium container comprises a second working medium inlet, one end of each heat exchange pipeline is communicated with the first working medium inlet, the other end of each heat exchange pipeline is communicated with the first working medium outlet, and the second working medium outlet is communicated with the second working medium inlet.
The utility model discloses every heat transfer pipeline of tower boiler includes that a plurality of annular sub-pipelines and a plurality of annular sub-pipelines interval on the upper and lower direction set up, makes every heat transfer pipeline distribute evenly in the heat transfer intracavity, makes every heat transfer pipeline can fully contact with the high temperature flue gas of a plurality of positions in the heat transfer intracavity to reduce the influence of hot face deviation. And the heat exchange working media in the heat exchange pipelines can enter the working medium mixing container to be mixed, so that the influence of thermal deviation is further reduced.
In some embodiments, each of the heat exchange pipes includes a plurality of connector sub-pipes, and each of the connector sub-pipes is connected between two adjacent ring-shaped sub-pipes in the up-down direction.
In some embodiments, each of the heat exchange tubes is helical, and the radial dimension of the axis of the heat exchange tube increases in a bottom-to-top direction.
In some embodiments, the tower boiler further comprises: smoke exhaust channel and flue gas circulation passageway, the body still includes furnace, furnace includes second exhanst gas outlet and second exhanst gas inlet, first exhanst gas inlet with second exhanst gas outlet intercommunication, smoke exhaust channel passes through first exhanst gas outlet with heat transfer chamber intercommunication, flue gas circulation passageway's one end with smoke exhaust channel links to each other, flue gas circulation passageway's the other end with second exhanst gas inlet intercommunication.
In some embodiments, the tower boiler further comprises: and the flue gas adjusting baffle is arranged at the joint of the heat exchange cavity and the smoke exhaust channel.
In some embodiments, the tower boiler further comprises: the main steam generating device comprises a first superheater and a second superheater, the first superheater and the second superheater are arranged in the heat exchange cavity and are located above the working medium mixing container, the first superheater and the second superheater are arranged at intervals in the vertical direction, the first superheater comprises a third working medium inlet and a third working medium outlet, the second superheater comprises a fourth working medium inlet and a fourth working medium outlet, the third working medium outlet is connected with the fourth working medium inlet, the third working medium inlet is suitable for being connected with an external water source, and the fourth working medium outlet is suitable for being communicated with a high-pressure cavity of the steam turbine.
In some embodiments, the tower boiler further comprises: the primary steam generating device comprises a first reheater and a second reheater, the first reheater and the second reheater are arranged in the heat exchange cavity and are located above the primary steam generating device, the first reheater and the second reheater are arranged at intervals in the vertical direction, the first reheater comprises a fifth working medium inlet and a fifth working medium outlet, the second reheater comprises a sixth working medium inlet and a sixth working medium outlet, the fifth working medium outlet is connected with the sixth working medium inlet, the fifth working medium inlet is suitable for being communicated with a high-pressure cavity of a steam turbine, and the sixth working medium outlet is suitable for being communicated with a medium-pressure cavity of the steam turbine.
In some embodiments, the tower boiler further comprises: the secondary steam generating device comprises a third reheater and a fourth reheater, the third reheater and the fourth reheater are arranged in the heat exchange cavity, the third reheater is opposite to the first reheater in the horizontal direction, the third reheater and the fourth reheater are arranged in the vertical direction at intervals, the third reheater comprises a seventh working medium inlet and a seventh working medium outlet, the eighth reheater comprises an eighth working medium inlet and an eighth working medium outlet, and the seventh working medium outlet is connected with the eighth working medium inlet.
Drawings
Fig. 1 is a schematic structural view of a tower boiler according to an embodiment of the present invention.
Reference numerals:
a tower boiler 100;
a body 1; a heat exchange chamber 10; a first flue gas inlet 11; a first flue gas outlet 12; a hearth 13; a second flue gas outlet 131; a second flue gas inlet 132;
a first heat exchange means 2; a heat exchange line 21; a working medium mixing container 22;
a smoke evacuation channel 31; a flue gas circulation channel 32;
a flue gas adjusting baffle 4;
a main steam generating device 5; a first superheater 51; third working fluid inlet 511; a third working fluid outlet 512; a second superheater 52; a fourth working fluid inlet 521; a fourth working fluid outlet 522;
a primary steam generation device 6; a first reheater 61; a fifth working fluid inlet 611; a fifth working medium outlet 612; a second reheater 62; a sixth working fluid inlet 621; a sixth working medium outlet 622;
a secondary steam generation device 7; a third reheater 71; a seventh working fluid inlet 711; a seventh working matter outlet 712; a fourth reheater 72; eighth working fluid inlet 721; eighth working fluid outlet 722.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The tower boiler 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, a tower boiler 100 according to an embodiment of the present invention includes a body 1, a first working medium container (not shown in the figure), a first heat exchange device 2, and a second working medium container (not shown in the figure).
The first flue gas inlet 11 of body 1, first exhanst gas outlet 12 and the heat transfer chamber 10 that body 1 injectd, first flue gas inlet 11 is located the below of first exhanst gas outlet 12, and first exhanst gas inlet 11 and first exhanst gas outlet 12 all communicate with heat transfer chamber 10. The first working medium container comprises a first working medium outlet, the first heat exchange device 2 comprises a heat exchange pipeline 21 and a working medium mixing container 22, and the working medium mixing container 22 comprises a first working medium inlet and a second working medium outlet.
The heat transfer pipeline 21 is a plurality of, and a plurality of heat transfer pipelines 21 set up in parallel, and a plurality of heat transfer pipelines 21 are located between first flue gas import 11 and first exhanst gas outlet 12 on the upper and lower direction, and every heat transfer pipeline 21 includes a plurality of annular sub-pipelines, and a plurality of annular sub-pipelines interval settings on the upper and lower direction, and communicate each other between a plurality of annular sub-pipelines, and the radial dimension of the axis of a plurality of annular sub-pipelines is along the direction increase from the bottom up.
The second working medium container comprises a second working medium inlet, one end of each heat exchange pipeline 21 is communicated with the first working medium inlet, the other end of each heat exchange pipeline 21 is communicated with the first working medium outlet, and the second working medium outlet is communicated with the second working medium inlet.
An embodiment of a tower boiler 100 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
High-temperature flue gas enters the heat exchange cavity 10 from the first flue gas inlet 11, the high-temperature flue gas entering the heat exchange cavity 10 exchanges heat with a heat exchange working medium in each of the plurality of heat exchange pipelines 21 of the first heat exchange device 2, and the flue gas after heat exchange is discharged out of the heat exchange cavity 10 from the first flue gas outlet 12. The heat exchange working medium is discharged from the first working medium outlet to the first working medium container and enters each of the plurality of heat exchange pipelines 21, and the heat exchange working medium exchanges heat with the high-temperature flue gas in the heat exchange pipelines 21 to heat. The heat exchange working medium in each of the plurality of heat exchange pipelines 21 exchanges heat and then flows into the working medium mixing container 22 to be mixed, the temperature of the mixed heat exchange working medium is uniform, and the mixed heat exchange working medium is discharged out of the working medium mixing container 22 through the second working medium outlet and enters the second working medium container through the second working medium inlet.
A plurality of heat exchange pipelines in the heat exchange cavity of the boiler in the related art extend along the up-down direction, and the plurality of heat exchange pipelines are arranged at intervals around the central axis of the heat exchange cavity. It can be understood that the flue gas temperature at different positions in the heat exchange cavity is different, so that the temperature difference of heat exchange working media in a plurality of heat exchange pipelines in the related art is larger, and the influence of the deviation of the heated surface is larger.
Compared with the prior art, the utility model discloses every heat transfer pipeline 21 of tower boiler 100 of embodiment includes that a plurality of annular sub-pipelines and a plurality of annular sub-pipelines interval on the up-down direction set up, makes every heat transfer pipeline 21 distribute evenly in heat transfer chamber 10, makes every heat transfer pipeline 21 can with the heat transfer chamber 10 in the high temperature flue gas of a plurality of positions fully contact to reduce the influence of hot side deviation. Moreover, the heat exchange working media in the plurality of heat exchange pipelines 21 can enter the working medium mixing container 22 to be mixed, so that the influence of thermal deviation is further reduced.
In some embodiments, each heat exchange pipeline 21 includes a plurality of connector pipelines, and each connector pipeline is connected between two adjacent annular sub-pipelines in the vertical direction, so as to facilitate the transportation of the heat exchange working medium in the annular sub-pipelines to the adjacent annular sub-pipelines, thereby improving the heat exchange efficiency.
In some embodiments, each heat exchange tube 21 is helical, and the radial dimension of the axis of the heat exchange tube 21 increases in the direction from bottom to top. In other words, each heat exchange pipeline 21 is in a compressed spring shape, so that each heat exchange pipeline 21 is uniformly distributed in the heat exchange cavity 10, each heat exchange pipeline 21 can be in full contact with high-temperature flue gas at multiple positions in the heat exchange cavity 10, and the influence of hot surface deviation is reduced.
In some embodiments, as shown in fig. 1, the tower boiler 100 of the embodiment of the present invention further includes a smoke exhaust channel 31 and a smoke circulation channel 32, the body 1 further includes a furnace 13, the furnace 13 includes a second smoke outlet 131 and a second smoke inlet 132, the first smoke inlet 11 is communicated with the second smoke outlet 131, the smoke exhaust channel 31 is communicated with the heat exchange cavity 10 through the first smoke outlet 12, one end of the smoke circulation channel 32 is connected with the smoke exhaust channel 31, and the other end of the smoke circulation channel 32 is communicated with the second smoke inlet 132.
The fuel is combusted in the hearth 13 to generate high-temperature flue gas, the high-temperature flue gas is input into the heat exchange cavity 10 through the second flue gas outlet 131, the high-temperature flue gas entering the heat exchange cavity 10 exchanges heat with the heat exchange working medium in each of the plurality of heat exchange pipelines 21 of the first heat exchange device 2, and the flue gas after heat exchange is discharged out of the heat exchange cavity 10 from the first flue gas outlet 12. The exhausted flue gas enters the flue gas channel 31, and a part of the flue gas enters the flue gas circulation channel 32 and enters the furnace 13 through the second flue gas inlet 132.
When the pressure of the flue gas in the hearth 13 is low, the discharged flue gas enters the hearth 13 again through the flue gas circulation channel 32, so that the pressure of the flue gas and the total amount of the flue gas are increased, and the heat exchange efficiency of the flue gas discharged into the heat exchange cavity 10 is improved.
In some embodiments, the tower boiler 100 of the present invention further includes a flue gas adjusting baffle, which is disposed at the connection between the heat exchanging chamber 10 and the smoke exhausting channel 31, so as to achieve the purpose of temperature adjustment.
In some embodiments, as shown in fig. 1, the tower boiler 100 according to the embodiment of the present invention further includes: the main steam generating device 5 comprises a first superheater 51 and a second superheater 52, the first superheater 51 and the second superheater 52 are arranged in the heat exchange cavity 10 and are located above the working medium mixing container 22, the first superheater 51 and the second superheater 52 are arranged at intervals in the vertical direction, the first superheater 51 comprises a third working medium inlet 511 and a third working medium outlet 512, the second superheater 52 comprises a fourth working medium inlet 521 and a fourth working medium outlet 522, the third working medium inlet 511 is suitable for being connected with an external water source, the third working medium outlet 512 is connected with the fourth working medium inlet 521, and the fourth working medium outlet 522 is suitable for being communicated with a high-pressure cavity of a steam turbine.
The heat exchange working medium enters the first superheater 51 from the third working medium inlet 511 to exchange heat with the flue gas, for example, the heat exchange working medium is water, so that steam is generated, the generated steam is discharged from the third working medium outlet 512 and enters the second superheater 52 to be warmed, and the warmed steam is discharged from the fourth working medium outlet 522, so that the waste heat of the flue gas is fully utilized, and the energy utilization efficiency of the tower boiler 100 is improved.
In some embodiments, as shown in fig. 1, the tower boiler 100 of the present invention further includes a primary steam generating device 6, the primary steam generating device 6 includes a first reheater 61 and a second reheater 62, the first reheater 61 and the second reheater 62 are disposed in the heat exchange cavity 10 and both located above the primary steam generating device 5, the first reheater 61 and the second reheater 62 are disposed at an interval in the up-down direction, the first reheater 61 includes a fifth working medium inlet 611 and a fifth working medium outlet 612, the second reheater 62 includes a sixth working medium inlet 621 and a sixth working medium outlet 622, the fifth working medium outlet 612 is connected to the sixth working medium inlet 621, the fifth working medium inlet 611 is adapted to communicate with the high pressure chamber of the steam turbine, and the sixth working medium outlet 622 is adapted to communicate with the medium pressure chamber of the steam turbine. The external steam enters the first reheater 61 from the fifth working medium inlet 611 to exchange heat with the flue gas, the heated steam is discharged from the fifth working medium outlet 612 and enters the second reheater 62 to be heated again, and the heated steam is discharged from the sixth working medium outlet 622, so that the waste heat of the flue gas is fully utilized, and the energy utilization efficiency of the tower boiler 100 is improved.
In some embodiments, as shown in fig. 1, the tower boiler 100 of the present invention further includes an secondary steam generating device 7, the secondary steam generating device 7 includes a third reheater 71 and a fourth reheater 72, the third reheater 71 and the fourth reheater 72 are disposed in the heat exchange chamber 10, the third reheater 71 is opposite to the first reheater 61 in the horizontal direction, the third reheater 71 and the fourth reheater 72 are spaced apart in the up-down direction, the third reheater 71 includes a seventh working medium inlet 711 and a seventh working medium outlet 712, the eighth reheater includes an eighth working medium inlet 721 and an eighth working medium outlet, and the seventh working medium outlet 712 is connected to the eighth working medium inlet 721. External steam enters the third reheater 71 from the seventh working medium inlet 711 to exchange heat with the flue gas, the heated steam is discharged from the seventh working medium outlet 712 and enters the fourth reheater 72 to be heated again, and the heated steam is discharged from the eighth working medium outlet, so that the waste heat of the flue gas is further fully utilized, and the energy utilization efficiency of the tower boiler 100 is improved.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. A tower boiler, comprising:
the body comprises a first flue gas inlet, a first flue gas outlet and a heat exchange cavity defined by the body, wherein the first flue gas inlet is positioned below the first flue gas outlet, and the first flue gas inlet and the first flue gas outlet are both communicated with the heat exchange cavity;
the first working medium container comprises a first working medium outlet;
the first heat exchange device comprises a heat exchange pipeline and a working medium mixing container, the working medium mixing container comprises a first working medium inlet and a second working medium outlet,
the heat exchange pipelines are arranged in parallel, the heat exchange pipelines are located between the first flue gas inlet and the first flue gas outlet in the vertical direction, each heat exchange pipeline comprises a plurality of annular sub-pipelines, the annular sub-pipelines are arranged at intervals in the vertical direction and are communicated with each other, and the radial sizes of the axes of the annular sub-pipelines are increased along the direction from bottom to top; and
a second working medium container including a second working medium inlet,
one end of each heat exchange pipeline is communicated with the first working medium inlet, the other end of each heat exchange pipeline is communicated with the first working medium outlet, and the second working medium outlet is communicated with the second working medium inlet.
2. The tower boiler according to claim 1, wherein each of the heat exchange tubes comprises a plurality of connector tubes, each of the connector tubes being connected between two of the ring-shaped sub-tubes that are adjacent in the up-down direction.
3. The tower boiler according to claim 1, wherein each of the heat exchange tubes is helical and the radial dimension of the axis of the heat exchange tube increases in a direction from bottom to top.
4. The tower boiler of any one of claims 1-3, further comprising: a smoke exhaust channel and a smoke circulating channel,
the body also comprises a hearth, the hearth comprises a second flue gas outlet and a second flue gas inlet, the first flue gas inlet is communicated with the second flue gas outlet, the smoke exhaust channel is communicated with the heat exchange cavity through the first flue gas outlet,
one end of the smoke circulating channel is connected with the smoke exhausting channel, and the other end of the smoke circulating channel is communicated with the second smoke inlet.
5. The tower boiler of claim 4, further comprising: the smoke adjusting baffle is arranged at the joint of the heat exchange cavity and the smoke exhaust channel.
6. The tower boiler of claim 1, further comprising: a primary steam generating device comprising a first superheater and a second superheater,
the first superheater and the second superheater are arranged in the heat exchange cavity and are located above the working medium mixing container, the first superheater and the second superheater are arranged at intervals in the vertical direction, the first superheater comprises a third working medium inlet and a third working medium outlet, the second superheater comprises a fourth working medium inlet and a fourth working medium outlet, the third working medium outlet is connected with the fourth working medium inlet, the third working medium inlet is suitable for being connected with an external water source, and the fourth working medium outlet is suitable for being communicated with a high-pressure cavity of a steam turbine.
7. The tower boiler of claim 6, further comprising: a primary steam generation apparatus comprising a first reheater and a second reheater,
the first reheater and the second reheater are arranged in the heat exchange cavity and are located above the main steam generation device, the first reheater and the second reheater are arranged at intervals in the vertical direction, the first reheater comprises a fifth working medium inlet and a fifth working medium outlet, the second reheater comprises a sixth working medium inlet and a sixth working medium outlet, the fifth working medium outlet is connected with the sixth working medium inlet, the fifth working medium inlet is suitable for being communicated with a high-pressure cavity of a steam turbine, and the sixth working medium outlet is suitable for being communicated with a medium-pressure cavity of the steam turbine.
8. The tower boiler of claim 7, further comprising: a secondary steam generation device comprising a third reheater and a fourth reheater,
the third reheater and the fourth reheater are arranged in the heat exchange cavity, the third reheater is opposite to the first reheater in the horizontal direction, the third reheater and the fourth reheater are arranged at intervals in the vertical direction, the third reheater comprises a seventh working medium inlet and a seventh working medium outlet, the fourth reheater comprises an eighth working medium inlet and an eighth working medium outlet, and the seventh working medium outlet is connected with the eighth working medium inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773088.3U CN218721382U (en) | 2022-10-20 | 2022-10-20 | Tower type boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222773088.3U CN218721382U (en) | 2022-10-20 | 2022-10-20 | Tower type boiler |
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| Publication Number | Publication Date |
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| CN218721382U true CN218721382U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222773088.3U Active CN218721382U (en) | 2022-10-20 | 2022-10-20 | Tower type boiler |
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| CN (1) | CN218721382U (en) |
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- 2022-10-20 CN CN202222773088.3U patent/CN218721382U/en active Active
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