CN215411816U - High-parameter small-capacity once-reheating pulverized coal combustion drum furnace - Google Patents
High-parameter small-capacity once-reheating pulverized coal combustion drum furnace Download PDFInfo
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- CN215411816U CN215411816U CN202121289875.XU CN202121289875U CN215411816U CN 215411816 U CN215411816 U CN 215411816U CN 202121289875 U CN202121289875 U CN 202121289875U CN 215411816 U CN215411816 U CN 215411816U
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Abstract
The utility model discloses a high-parameter small-capacity once-reheating pulverized coal combustion drum furnace, which belongs to the technical field of power station boilers and comprises a hearth, a horizontal flue communicated with the hearth, a rear vertical shaft communicated with the horizontal flue, and further comprises: the water-cooled wall is arranged in the hearth; the wall-type reheater is arranged in the hearth and covers the heating surface of a part of water-cooled wall; and the outlet steam of the wall-type reheater sequentially flows into the steam turbine through the intermediate-temperature reheater and the high-temperature reheater so as to achieve the purpose that the outlet steam temperatures of the boiler superheater and the boiler reheater can reach the rated steam temperature within a wider load.
Description
Technical Field
The utility model belongs to the technical field of power station boilers, and particularly relates to a high-parameter small-capacity once-reheating pulverized coal combustion drum furnace.
Background
The parameters of a common boiler for power generation are matched with the capacity, the smaller the capacity is, the lower the parameter is, and a small-capacity unit is usually a drum boiler without a reheater system for saving the construction cost. With the improvement of the technology and the attention on environmental protection and carbon dioxide emission reduction, the improvement of parameters and even the increase of a reheat steam system of a small-capacity boiler become important directions for improving the unit efficiency and saving the energy consumption. And the traditional boiler heating surface arrangement mode cannot meet the requirement of parameter improvement.
After improving steam parameter and add the reheater system, traditional small capacity pulverized coal boiler steam parameter is difficult to reach the rated value, and its leading reason is: in order to meet the requirement of high-efficiency combustion of fuel and reduce emission of nitrogen oxides, the size of the hearth needs to be controlled within a proper range. The over-large size of the hearth is not beneficial to stable combustion, and the over-small size can not reduce the emission of nitrogen oxides. The periphery of a traditional boiler furnace is provided with a water-cooling membrane wall heating surface for receiving radiation of high-temperature flue gas in the furnace, and a superheater and a reheater are arranged at a furnace outlet. Because the proportion of the hearth of the small-capacity boiler to the heating surface of the whole boiler is larger than that of the large-capacity boiler, the proportion of the heat absorption capacity (evaporation heat absorption) of the water-cooled wall of the small-capacity boiler designed according to the prior art is far larger than that of the large-capacity boiler. When the steam pressure is increased or a reheater is added, the proportion of heat absorption capacity required by the evaporation of the working medium is obviously reduced, and the problem that the heat absorption capacity of the evaporation of the working medium cannot be matched with the arrangement of the heating surface occurs.
SUMMERY OF THE UTILITY MODEL
In view of the above, in order to solve the above problems in the prior art, the present invention aims to provide a high-parameter small-capacity once-reheating pulverized coal combustion drum furnace to achieve the purpose that the outlet steam temperatures of a boiler superheater and a boiler reheater can reach the rated steam temperature within a wider load.
The technical scheme adopted by the utility model is as follows: the utility model provides a high parameter small capacity is pulverized coal fired boiler once reheat, includes furnace, the horizontal flue who communicates with furnace, the back shaft that communicates with horizontal flue, still includes:
the water-cooled wall is arranged in the hearth;
the wall-type reheater is arranged in the hearth and covers the heating surface of a part of water-cooled wall;
the steam at the outlet of the wall-type reheater sequentially flows into the steam turbine through the medium-temperature reheater and the high-temperature reheater;
for a small-capacity boiler with reheating, because the wall-type reheater is arranged at the upper part of the hearth, the temperature of steam at the outlet of the boiler reheater can reach the rated steam temperature within a wider load, and the operation requirement of a steam turbine is met.
Furthermore, the medium-temperature reheater and the high-temperature reheater are uniformly arranged above the flame folding angle of the hearth, the medium-temperature reheater is a suspended semi-radiation heating surface, the high-temperature reheater is a suspended pure convection heating surface, and the medium-temperature reheater and the high-temperature reheater can effectively absorb radiation heat of the hearth.
Furthermore, the wall type reheaters are respectively a front wall type reheater and a side wall type reheater, the front wall type reheater and the side wall type reheater are respectively covered on partial water-cooled walls corresponding to the front wall and the side wall of the hearth, and the front wall type reheater and the side wall type reheater are arranged in series; because the front wall type reheater and the side wall type reheater are connected in series, the problems that the flow velocity of working media arranged in the wall type reheater of the high smoke temperature area is low and the temperature of the tube wall is high are effectively solved.
Further, still include:
the heated surface pipe of the water-cooled wall is connected with an outlet header, and the outlet header is communicated with the steam drum through a connecting pipe;
and the ceiling superheater is arranged at the top of the hearth and connected with the water-cooled wall, and the ceiling superheater is connected with the steam drum.
Further, still include:
the large-screen superheater and the rear-screen superheater are arranged above the interior of the hearth, a steam outlet of the ceiling superheater is communicated with the large-screen superheater, and the large-screen superheater is communicated with the rear-screen superheater;
the high-temperature superheater is arranged in the horizontal flue and communicated with the rear screen superheater, and a steam outlet of the high-temperature superheater is connected to the steam turbine;
the wall-type reheater covers the heating surface of the water-cooled wall of the hearth, reduces the area of the evaporation heating surface, reduces the proportion of the evaporation heat absorption in the heat absorption capacity of the whole boiler, enables the temperature of the steam at the outlet of the high-temperature superheater to reach the rated steam temperature within a wider load, and meets the normal operation of a steam turbine.
Furthermore, the large-screen superheater is a suspended full-radiation screen type heating surface, the rear-screen superheater is a suspended semi-radiation screen type heating surface, and the high-temperature superheater is a pure convection type heating surface.
Further, the flow area of the connecting pipe is larger than that of the heated surface pipe of the water wall, so that normal circulation of steam is ensured.
Furthermore, a horizontal flue wrapping wall is arranged in the horizontal flue, and a rear vertical shaft wrapping wall is arranged in the rear vertical shaft; the ceiling superheater extends to the lower part of the rear vertical shaft towards the rear part of the hearth, and is connected to a rear vertical shaft wrapping wall through a U-shaped collecting box, and the rear vertical shaft wrapping wall is connected to a horizontal flue wrapping wall so as to fully absorb the radiation heat of the flue gas.
Furthermore, an economizer and a low-temperature superheater arranged above the economizer are further arranged in the rear vertical shaft, the low-temperature superheater is communicated with the horizontal flue wall, and the low-temperature superheater is arranged in a counter-flow mode from bottom to top and can effectively exchange heat.
Further, a steam inlet of the low-temperature superheater is positioned at the lower part of the rear vertical shaft and is communicated with the horizontal flue wall; the low-temperature superheater comprises a horizontal section coiled pipe ring and a vertical section pipe, and the horizontal section coiled pipe ring is fixed on the membrane wall of the rear vertical shaft.
The utility model has the beneficial effects that:
1. by adopting the high-parameter small-capacity once-reheating pulverized coal combustion drum boiler provided by the utility model, the wall type reheater is arranged at the upper part of the combustion chamber of the hearth, and the wall type reheater shields part of the heating surface of the water-cooled wall, so that the problem that the evaporation heat absorption capacity of the working medium cannot be matched with the area of the heating surface of the water-cooled wall when the steam pressure is increased or the reheater is added during the operation of the small-capacity drum boiler is solved.
Drawings
FIG. 1 is a schematic structural diagram of a high-parameter small-capacity single-reheat pulverized coal fired drum furnace provided by the present invention;
the drawings are labeled as follows:
1-an economizer, 2-a water wall, 3-a steam drum, 4-a ceiling superheater, 5-a rear shaft wall, 6-a horizontal flue wall, 7-a low-temperature superheater, 8-a large-screen superheater, 9-a rear-screen superheater, 10-a medium-temperature reheater, 11-a high-temperature reheater, 12-a high-temperature superheater, 13-a front wall reheater, 14-a side wall reheater and 15-a U-shaped header.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the orientation or the positional relationship is based on the orientation or the positional relationship shown in the drawings, or the orientation or the positional relationship which is usually placed when the utility model is used, or the orientation or the positional relationship which is usually understood by those skilled in the art, or the orientation or the positional relationship which is usually placed when the utility model is used, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the indicated device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Example 1
As shown in fig. 1, the embodiment specifically provides a high-parameter small-capacity once-reheating pulverized coal combustion drum furnace, which is mainly applied to a small-capacity boiler and aims to solve the problem that when steam pressure is increased or a reheater is added, the proportion of heat absorption required by evaporation of a working medium is remarkably reduced, so that the heat absorption of evaporation of the working medium cannot be matched with the arrangement of a heating surface.
For a small-capacity boiler, the small-capacity boiler mainly comprises a hearth, a horizontal flue communicated with a hearth outlet, a rear vertical shaft communicated with the horizontal flue, and a flame folding angle arranged at the hearth outlet, wherein the central axes of the hearth and the rear vertical shaft are used as the vertical direction in the embodiment.
In order to realize that the outlet temperature of the boiler superheater and the boiler reheater can reach the rated steam temperature in a wider load, the design of the high-parameter small-capacity boiler with the reheater further comprises the following steps: the wall type reheater is arranged in the hearth, water-cooled walls 2 are arranged on the side wall and the front wall and the rear wall in the hearth, and the wall type reheater is covered on part of heating surfaces of the water-cooled walls 2. Wherein, the wall type reheater chooses the wall type single face to radiate the reheater for use, and the load of wall type reheater passes through reasonable connection structure and hanging mode and transmits to the roof.
And a medium-temperature reheater 10 and a high-temperature reheater 11 are further arranged in the hearth, the medium-temperature reheater 10 and the high-temperature reheater 11 are uniformly distributed above a flame folding angle of the hearth, and outlet steam of the wall-type reheater sequentially flows into the steam turbine through the medium-temperature reheater 10 and the high-temperature reheater 11. Specifically, the method comprises the following steps: outlet steam of the wall-type reheater enters a medium-temperature reheater 10 arranged above a folding flame angle through a connecting pipe, the medium-temperature reheater 10 is a suspended semi-radiation heating surface (also called as a semi-radiation reheater) and is arranged in parallel flow (or in reverse flow), the outlet steam of the medium-temperature reheater 10 enters a high-temperature reheater 11 through the connecting pipe, the high-temperature reheater 11 is also arranged above the folding flame angle, the high-temperature reheater 11 is a suspended pure convection type heating surface (also called as a convection type reheater) and is arranged in parallel flow (or in reverse flow), and the outlet steam of the high-temperature reheater 11 enters a steam turbine through the connecting pipe. For a small-capacity boiler with reheating, because the upper part of the hearth is provided with the radiation type reheater, the outlet temperature of the boiler reheater can reach the rated steam temperature within a wider load.
In practical application, the wall type reheaters are a front wall type reheater 13 and a side wall type reheater 14 respectively, the front wall type reheater 13 and the side wall type reheater 14 are respectively covered on a part of the water cooling wall 2 corresponding to the front wall and the side wall of the hearth so as to shield part of the heating surface of the water cooling wall 2, the front wall type reheater 13 and the side wall type reheater 14 are arranged in series, and the steam flow directions in the side wall type reheater 14 and the front wall type reheater 13 which are arranged in series are both from bottom to top, so that the temperature of working media in the lower region of the hearth with higher smoke temperature is lower, and the wall temperature level can be effectively reduced; meanwhile, the problems that the mass flow rate of the wall-type reheater arranged in the high smoke temperature area is low and the temperature of the tube wall is high are effectively solved. Preferably, the working medium of the side wall reheater 14 is introduced into the inlet header of the front wall reheater 13 from the left and right sides by two conduits, and the connection form of the inlet header is also helpful to control the temperature deviation of the reheater system.
This high parameter small capacity once reheat pulverized coal combustion drum stove, it still includes: the steam pocket 3 with locate the furnace top and with the ceiling over heater 4 that the water-cooling wall 2 links to each other, the heating surface union coupling of water-cooling wall 2 has export collection case, and export collection case passes through the connecting pipe and communicates with steam pocket 3, and here, the flow area of this connecting pipe should be greater than the flow area of the heating surface pipe of water-cooling wall 2, and preferred, the flow area of this connecting pipe should be greater than 0.8 times of the heating surface pipe flow area of water-cooling wall 2. The ceiling superheater 4 is connected with the steam drum 3, and saturated steam separated from the steam drum 3 is sent to the ceiling superheater 4 at the top of the hearth. Wherein, the water-cooled wall 2 and the ceiling superheater 4 in the hearth are both of a membrane wall structure which is welded into a whole by adopting a tube-flat steel-tube method. Reasonable connecting structure and supporting suspension are adopted between the water-cooled wall 2 and the ceiling superheater 4 connected with the water-cooled wall, so that the load of the water-cooled wall 2 at the lower part of the hearth can be effectively transmitted to the ceiling superheater 4 at the upper part of the hearth.
A horizontal flue wrapping wall 6 is arranged in the horizontal flue, and a rear vertical shaft wrapping wall 5 is arranged in the rear vertical shaft; the ceiling superheater 4 extends to the lower part of the rear vertical shaft towards the rear part of the hearth, and is connected to a rear vertical shaft wrapping wall 5 through a U-shaped collecting box 15, the rear vertical shaft wrapping wall 5 is connected to a horizontal flue wrapping wall 6, a coal economizer 1 and a low-temperature superheater 7 arranged above the coal economizer 1 are further arranged in the rear vertical shaft, the low-temperature superheater 7 is communicated with the horizontal flue wrapping wall 6, and feed water enters the coal economizer 1 through a connecting pipe. The coal economizer 1 is arranged on the lower portion of the rear vertical shaft and is a horizontally arranged snake-shaped pipe ring, a pipe screen of the coal economizer 1 transmits load to a lower header of a rear vertical shaft wrapping wall 5 through a pipe clamp and a hanging rod, and then the load is transmitted to a top large plate girder through the rear vertical shaft wrapping wall 5. In practical application, the horizontal flue wrapping wall 6 is divided into two parts, the steam inlet of the first part of the horizontal flue wrapping wall 6 is connected with the steam outlet of the rear vertical shaft wrapping wall 5, and the steam flow in the part of the horizontal flue wrapping wall 6 is from top to bottom; the steam outlet of the first part of the horizontal flue wrapping wall 6 and the steam inlet of the second part of the horizontal flue wrapping wall 6 are connected to the steam inlet of the low-temperature superheater 7 through a connecting pipe, and the steam flow direction in the part of the horizontal flue wrapping wall 6 is from bottom to top.
A steam inlet of the low-temperature superheater 7 is positioned at the lower part of the rear vertical shaft and is communicated with a steam outlet of the horizontal flue wrapping wall 6 through a connecting pipe, and a steam outlet of the low-temperature superheater 7 extends to the upper part of the ceiling superheater 4; the design for the low-temperature superheater 7 is: the horizontal section snakelike tube ring is fixed on a membrane wall of a rear vertical shaft through a supporting device, and the membrane wall transmits load to a top plate through a hanging device arranged on a furnace top. Specifically, establish to two horizontal segment serpentine pipe circle, through perpendicular section pipe intercommunication between two horizontal segment serpentine pipe circles, and a horizontal segment serpentine pipe circle extends to ceiling over heater 4 top and as steam outlet through a perpendicular section pipe, and a horizontal segment serpentine pipe circle extends to the below of back shaft through a perpendicular section pipe and enters as steam inlet.
This high parameter small capacity once reheat pulverized coal combustion drum stove, it still includes: locate the inside top of furnace large-size screen over heater 8 and back screen over heater 9, locate the high temperature over heater 12 in the horizontal flue, the steam outlet of ceiling over heater 4 flows to the furnace front through heavy-calibre connecting pipe to with large-size screen over heater 8 intercommunication, large-size screen over heater 8 and back screen over heater 9 intercommunication. The large-screen superheater 8 is a suspended full-radiation-screen heating surface (also called full-radiation-screen superheater) and is arranged in parallel and in parallel (in countercurrent), and the suspended screen prevents the tube panel from shaking by using a clamping tube. Steam at the outlet of the large-screen superheater 8 enters a rear-screen superheater 9 through a connecting pipe, and the rear-screen superheater 9 is a suspended semi-radiation screen type heating surface (also called a semi-radiation screen type superheater) and is arranged in parallel and in parallel (in a countercurrent mode). Steam at the outlet of the rear screen superheater 9 enters a high-temperature superheater 12 through a connecting pipe (or a header), the rear screen superheater 9 is communicated with the high-temperature superheater 12, the high-temperature superheater 12 is a pure convection type heating surface (also called a pure convection type superheater), the high-temperature superheater 12 is arranged in parallel and in parallel (in counter flow), a pipe clamp is used for fixing a pipe screen to prevent the pipe screen from shaking, and the outlet steam enters a steam turbine through the connecting pipe, so that the temperature of the outlet steam of the boiler superheater can reach the rated steam temperature within a wider load. In practical application, a proper position in the middle of the hearth is selected as a boundary point of the water wall 2 and the superheaters (the large-screen superheater 8 and the rear-screen superheater 9) according to the proportion of evaporation and heat absorption, and the boundary point is preferably lower than the screen bottoms of the hearth outlet radiation type superheaters (the large-screen superheater 8 and the rear-screen superheater 9). The boundary point here is not a specific boundary point, but a boundary line where cooling water is changed into steam by the heating of flue gas in the water wall 2, below which the water wall 2 is located, and above which the superheater is located.
When the high-parameter small-capacity once-reheating pulverized coal combustion drum furnace operates, the working principle is as follows:
the fuel and the air are combusted in a hearth of the boiler to generate flue gas, the water-cooled wall 2, the large screen superheater 8, the rear screen superheater 9 and the wall type reheater which are arranged in the hearth absorb the radiation heat of the flue gas, the flue gas is bent in the flame bending angle direction and then sequentially flows through the middle temperature reheater 10 arranged behind the outlet of the hearth, then flows through the high temperature reheater 11 and the high temperature superheater 12 arranged in the horizontal flue, flows through the turning chamber and is downwards bent in the rear direction to sequentially flow through the low temperature superheater 7 and the economizer 1, and then the flue gas enters the air preheater arranged at the tail part of the boiler. Because the wall-type reheater is arranged at the upper part of the hearth, and the intermediate-temperature reheater 10 is moved forward to the position right above the flame folding angle, the intermediate-temperature reheater can absorb part of radiant heat of the hearth, and the steam temperature of the reheater under part of low load can be effectively ensured.
The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (10)
1. The utility model provides a high parameter small capacity is pulverized coal fired boiler once reheat, includes furnace, the horizontal flue who communicates with furnace, with the back shaft of horizontal flue intercommunication, its characterized in that still includes:
the water-cooled wall is arranged in the hearth;
the wall-type reheater is arranged in the hearth and covers the heating surface of a part of water-cooled wall;
and outlet steam of the wall type reheater sequentially flows into the steam turbine through the medium temperature reheater and the high temperature reheater.
2. The high-parameter small-capacity once-reheating pulverized coal combustion steam drum furnace as claimed in claim 1, wherein the medium-temperature reheater and the high-temperature reheater are uniformly arranged above a flame break angle of a furnace chamber, the medium-temperature reheater is a suspended semi-radiation heating surface, and the high-temperature reheater is a suspended pure convection heating surface.
3. The high-parameter small-capacity once-reheating pulverized coal combustion steam drum furnace as claimed in claim 1, wherein the wall reheaters are a front wall reheater and a side wall reheater, the front wall reheater and the side wall reheater are respectively covered on a part of water-cooled wall heating surfaces corresponding to a front wall and a side wall of the furnace chamber, and the front wall reheater and the side wall reheater are arranged in series.
4. The high parameter small capacity single reheat pulverized coal fired drum furnace as claimed in claim 1, further comprising:
the heated surface pipe of the water-cooled wall is connected with an outlet header, and the outlet header is communicated with the steam drum through a connecting pipe;
and the ceiling superheater is arranged at the top of the hearth and connected with the water-cooled wall, and the ceiling superheater is connected with the steam drum.
5. The high parameter small capacity single reheat pulverized coal fired drum furnace as claimed in claim 4, further comprising:
the large-screen superheater and the rear-screen superheater are arranged above the interior of the hearth, a steam outlet of the ceiling superheater is communicated with the large-screen superheater, and the large-screen superheater is communicated with the rear-screen superheater;
and the high-temperature superheater is arranged in the horizontal flue and communicated with the rear screen superheater, and a steam outlet of the high-temperature superheater is connected to the steam turbine.
6. The high-parameter small-capacity once-reheat pulverized coal combustion drum furnace as claimed in claim 5, wherein the large-screen superheater is a suspended full-radiation-screen-type heating surface, the rear-screen superheater is a suspended semi-radiation-screen-type heating surface, and the high-temperature superheater is a pure convection-type heating surface.
7. The high parameter small capacity single reheat pulverized coal fired drum furnace of claim 4, wherein the flow area of the connecting pipe should be larger than the flow area of the water wall heated surface pipe.
8. The high-parameter small-capacity once-reheat pulverized coal fired steam drum furnace as claimed in claim 4, wherein a horizontal flue wall is arranged in the horizontal flue, and a rear shaft wall is arranged in the rear shaft; the ceiling superheater extends to the lower part of the rear vertical shaft towards the rear part of the hearth, and is connected to a rear vertical shaft wrapping wall through a U-shaped collecting box, and the rear vertical shaft wrapping wall is connected to a horizontal flue wrapping wall.
9. The high-parameter small-capacity once-reheat pulverized coal fired steam drum furnace as claimed in claim 8, wherein an economizer and a low-temperature superheater arranged above the economizer are further arranged in the rear vertical shaft, and the low-temperature superheater is communicated with a horizontal flue wall.
10. The high-parameter small-capacity single-reheat pulverized coal fired steam drum furnace as claimed in claim 9, wherein a steam inlet of the low-temperature superheater is located at the lower part of the rear shaft and is communicated with a horizontal flue wall; the low-temperature superheater comprises a horizontal section coiled pipe ring and a vertical section pipe, and the horizontal section coiled pipe ring is fixed on the membrane wall of the rear vertical shaft.
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| CN202121289875.XU CN215411816U (en) | 2021-06-09 | 2021-06-09 | High-parameter small-capacity once-reheating pulverized coal combustion drum furnace |
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| CN202121289875.XU CN215411816U (en) | 2021-06-09 | 2021-06-09 | High-parameter small-capacity once-reheating pulverized coal combustion drum furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576607A (en) * | 2022-03-09 | 2022-06-03 | 东方电气集团东方锅炉股份有限公司 | Supercritical boiler ceiling wall-wrapped steam-water flow realization system and method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576607A (en) * | 2022-03-09 | 2022-06-03 | 东方电气集团东方锅炉股份有限公司 | Supercritical boiler ceiling wall-wrapped steam-water flow realization system and method |
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