CN218097285U - Inverted vertical low-pressure heater with built-in drainage cooling section for steam turbine - Google Patents
Inverted vertical low-pressure heater with built-in drainage cooling section for steam turbine Download PDFInfo
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- CN218097285U CN218097285U CN202222180044.XU CN202222180044U CN218097285U CN 218097285 U CN218097285 U CN 218097285U CN 202222180044 U CN202222180044 U CN 202222180044U CN 218097285 U CN218097285 U CN 218097285U
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- hydroecium
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- water chamber
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Abstract
The utility model relates to a low pressure feed water heater technical field just discloses a vertical built-in hydrophobic cooling zone low pressure feed water heater of steam turbine inversion, including hydroecium, tube sheet, casing, be provided with filtering mechanism in the hydroecium, filtering mechanism includes: bearing fixed mounting is at the outer wall top of hydroecium, and the pivot outer wall rotates the inner wall of connection at the bearing, and inside one end activity runs through the top of hydroecium and downwardly extending to the hydroecium, and the department of being run through of hydroecium is provided with the sealing ring, and the other end of pivot upwards extends to the top outside of hydroecium, and two windmills overlap respectively and establish the both ends outer wall at the pivot, and sealing ring fixed mounting is at the inner wall round of hydroecium, and the filter screen setting is at the inner wall of sealing washer. The condensed water of the condensed water inlet and the condensed water outlet is filtered through the filter cover, the condensed water is secondarily filtered by the filter screen, impurity particles mixed with air and water are filtered, and the inner wall and the outer wall of the tube bundle are uniformly heated in the heating process as far as possible.
Description
Technical Field
The utility model relates to a low pressure feed water heater technical field specifically is a vertical built-in hydrophobic cooling zone low pressure feed water heater of steam turbine inversion.
Background
The low-pressure heater is one of main devices for heating boiler feed water by using steam extracted by a steam turbine, is an important component of turbine regenerative system equipment, can effectively improve the temperature of the boiler feed water and recover heat and working media, and has important significance for improving the economic benefit of a power station.
Present low pressure feed water heater frequency of use is high for thermal power station water supply system, but when the operation, air and aquatic can have the impurity particulate matter of certain degree, lack the processing to it, and the outer wall is heated inhomogeneously in the pipe bundle in leading to heating, and the back of shutting down moreover, can't follow outside audio-visual observation equipment inside still give vent to anger at work, and the inspection is maintained in trade and can lead to remaining steam blowout, endangers the personal health.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical built-in hydrophobic cooling zone low pressure feed water heater of turbine inversion reaches the purpose of solving above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme: a low-pressure heater with an inverted vertical built-in drain cooling section of a steam turbine comprises a water chamber, a tube plate and a shell, wherein a filtering mechanism is arranged in the water chamber;
the filtering mechanism includes:
the bearing is fixedly arranged at the top of the outer wall of the water chamber;
the outer wall of the rotating shaft is rotatably connected to the inner wall of the bearing, one end of the rotating shaft movably penetrates through the top of the water chamber and extends downwards to the inside of the water chamber, and a sealing ring is arranged at the penetrated position of the water chamber;
the other end of the rotating shaft extends upwards to the outer side of the top of the water chamber;
the two windmills are respectively sleeved on the outer walls of the two ends of the rotating shaft;
the sealing ring is fixedly arranged on the inner wall of the water chamber for one circle;
the filter screen is arranged on the inner wall of the sealing ring;
one end of the condensed water inlet and one end of the condensed water outlet are respectively communicated with the two sides of the inner wall of the water chamber;
the two filter covers are respectively fixedly sleeved on the other ends of the condensed water inlet and the condensed water outlet;
the double-flow-path tube bundles are separated from each other by the partition plates, and one end of each double-flow-path tube bundle is communicated with the bottom of the water chamber;
the other end of the double-flow tube bundle fixedly penetrates through the tube plate and extends into the shell, and heat exchange tubes are arranged inside the tube bundle.
Preferably, the water chamber is fixedly connected with the shell through the tube plate, and the water chamber and the shell are both arranged in a hollow mode.
Preferably, a hydrophobic cooling section is arranged in the shell. The hydrophobic cooling section is an inverted built-in hydrophobic cooling section structure, saturated water in the low-pressure heater is changed into supercooled water to enter a lower-level heat exchanger after heat is recovered through heat exchange of the hydrophobic cooling section, and therefore heat source loss is reduced.
Preferably, the outer wall of the shell is provided with a plurality of ear seats, and the ear seats are located at the same height. The low-pressure heater is arranged by penetrating through a floor slab of a factory building through the lug seats.
Preferably, the front surface of the shell is provided with a steam inlet, and the bottom of the shell is provided with a drain outlet. High-temperature steam is sent into the shell through the steam inlet, and condensed water is discharged from the drain port.
Preferably, the outer wall of the shell is provided with three triangular plates in a surrounding mode, and the bottom of the three triangular plates is fixedly provided with a base. The triangular plate is used for reinforcing and supporting the low-pressure heater.
The utility model provides a vertical built-in hydrophobic cooling zone low pressure feed water heater is invertd to steam turbine. The method has the following beneficial effects:
(1) The utility model discloses a filter mantle filters the condensate water of condensate water import and condensate water export, and the filter screen carries out secondary filter with the condensate water, filters the impurity particulate matter that filters and mix with in air and the aquatic, keeps the heating process in the tube bank interior outer wall to be heated evenly as far as.
(2) The utility model discloses an observe the rotatory condition and the speed of windmill to judge the eruption degree of the inside steam of equipment, thereby whether the condition of the complete shutdown operation of better grasp equipment avoids remaining the steam blowout, avoids accidentally injuring the personal safety.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a sectional front view of the water chamber of the present invention;
fig. 3 is a top view of the water chamber of the present invention.
In the figure: 1. a water chamber; 2. a filtering mechanism; 201. a bearing; 202. a rotating shaft; 203. a windmill; 204. a seal ring; 205. a filter screen; 206. a condensed water inlet; 207. a condensed water outlet; 208. a filter housing; 209. a dual flow pass tube bundle; 3. a tube sheet; 4. a housing; 5. an ear mount; 6. a steam inlet; 7. a set square; 8. a base.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
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 based on the orientation or positional relationship shown in 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.
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; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-3, the utility model provides a technical scheme: the utility model provides a vertical built-in hydrophobic cooling zone low pressure feed water heater is invertd to steam turbine, includes hydroecium 1, tube sheet 3, shell 4, is provided with filtering mechanism 2 in the hydroecium 1, and filtering mechanism 2 includes: the bearing 201 is fixedly installed at the top of the outer wall of the water chamber 1, the outer wall of the rotating shaft 202 is rotatably connected to the inner wall of the bearing 201, one end of the rotating shaft movably penetrates through the top of the water chamber 1 and extends downwards to the inside of the water chamber 1, a sealing ring is arranged at the penetrated position of the water chamber 1, the other end of the rotating shaft 202 extends upwards to the outer side of the top of the water chamber 1, two windmills 203 are respectively sleeved on the outer walls of two ends of the rotating shaft 202, a sealing ring 204 is fixedly installed on one circle of the inner wall of the water chamber 1, a filtering net 205 is arranged on the inner wall of the sealing ring 204, one ends of a condensed water inlet 206 and a condensed water outlet 207 are respectively communicated with two sides of the inner wall of the water chamber 1, two filtering covers 208 are respectively fixedly sleeved on the other ends of the condensed water inlet 206 and the condensed water outlet 207, two flow-path tube bundles 209 are mutually separated through a partition plate, one end of the two flow-path tube bundles 209 are communicated with the bottom of the water chamber 1, the other end of the two flow-path tube bundle 209 fixedly penetrates through a tube plate 3 and extends into a shell 4, heat exchange tubes are respectively arranged inside the tube bundle 1 and the shell 4, the water chamber 1 is fixedly connected with the shell 4 through the tube plate 3, and the water chamber 1 and the shell 4, and a water cooling section is arranged inside the shell 4;
in this embodiment, the condensed water sequentially enters the dual-flow-path tube bundle 209 from the condensed water inlet 206 and then flows out from the condensed water outlet 207, and is filtered by the filter cover 208, and the high-temperature steam generates steam from the condensed water in the dual-flow-path tube bundle 209 to flow into the water chamber 1 from the tube opening to impact the windmill 203, so as to cause the internal windmill 203 to rotate, and meanwhile, the filter screen 205 performs secondary filtration on the condensed water.
Example two:
as shown in fig. 1, on the basis of the first embodiment, the utility model provides a technical solution: the outer wall of the shell 4 is provided with a plurality of ear seats 5 which are positioned at the same height, the front surface of the shell 4 is provided with a steam inlet 6, the bottom of the shell 4 is provided with a drain outlet, the outer wall of the shell 4 is provided with three triangular plates 7 in a surrounding manner, and the bottoms of the three triangular plates 7 are fixedly provided with bases 8;
in this embodiment, the support shell 4 is reinforced by the base 8 and the triangular plate 7, high-temperature steam is fed into the support shell 4 from the steam inlet 6, condensed water formed by the drainage cooling section is discharged from the drainage port, and the ear seat 5 is used for arranging the equipment on a floor slab of a factory building.
When the device is used, the device generally forms a complete low-pressure heater, the lug seat 5 enables the low-pressure heater to penetrate through a floor of a factory building, the water chamber 1 is located on the floor, the water chamber 1 is connected with the tube plate 3 through a flange and is convenient to disassemble and maintain, high-temperature steam is sent into the shell 4 from the steam inlet 6, condensed water formed in the drainage cooling section is discharged from a drainage port, the partition plate divides the interior of the water chamber 1 into two condensed water flowing cavities, the condensed water sequentially enters the double-flow-path tube bundle 209 from the condensed water inlet 206 and then flows out from the condensed water outlet 207, and is filtered by the filter cover 208, the heat exchange tube ensures that the water velocity in the double-flow-path tube bundle 209 is equivalent, meanwhile, the high-temperature steam enables the condensed water in the double-flow-path tube bundle 209 to generate steam to flow into the water chamber 1 from a tube opening to impact the windmill 203, so that the internal windmill 203 rotates, the external windmill 203 is driven by the rotating shaft 202 to rotate to observe whether the internal steam is still spraying, meanwhile, the filter screen 205 performs secondary water filtering on the condensed water, and ensures the cleanliness of the condensed water, the triangular plate 7 is used for reinforcing the stability of the low-pressure heater, and the base 8 is used for supporting the shell 4 of the low-pressure heater.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the inclusion of a reference to a claim does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises such elements.
Claims (6)
1. The utility model provides a vertical built-in hydrophobic cooling zone low pressure feed water heater is invertd to steam turbine, includes hydroecium (1), tube sheet (3), casing (4), its characterized in that: a filtering mechanism (2) is arranged in the water chamber (1);
the filter mechanism (2) includes:
the bearing (201) is fixedly arranged at the top of the outer wall of the water chamber (1);
the outer wall of the rotating shaft (202) is rotatably connected to the inner wall of the bearing (201), one end of the rotating shaft movably penetrates through the top of the water chamber (1) and extends downwards into the water chamber (1), and a sealing ring is arranged at the penetrated position of the water chamber (1);
the other end of the rotating shaft (202) extends upwards to the outer side of the top of the water chamber (1);
the two windmills (203) are respectively sleeved on the outer walls of the two ends of the rotating shaft (202);
the sealing ring (204) is fixedly arranged on the inner wall of the water chamber (1) for one circle;
a filter screen (205) disposed on an inner wall of the seal ring (204);
one end of the condensed water inlet (206) and one end of the condensed water outlet (207) are respectively communicated with the two sides of the inner wall of the water chamber (1);
two filter covers (208) respectively fixedly sleeved on the other ends of the condensed water inlet (206) and the condensed water outlet (207);
the double-flow-path tube bundles (209) are separated from each other through partition plates, and one end of each double-flow-path tube bundle is communicated with the bottom of the water chamber (1);
the other end of the double-flow-path tube bundle (209) fixedly penetrates through the tube plate (3) and extends into the shell (4), and heat exchange tubes are arranged inside the tube bundle.
2. The turbine inverted vertical built-in hydrophobic cooling section low pressure heater according to claim 1, characterized in that: hydroecium (1) passes through tube sheet (3) and shell (4) fixed connection, and hydroecium (1) and shell (4) inside all is the cavity setting.
3. The low-pressure heater with the inverted vertical built-in hydrophobic cooling section of the steam turbine according to claim 1, characterized in that: a hydrophobic cooling section is arranged in the shell (4).
4. The turbine inverted vertical built-in hydrophobic cooling section low pressure heater according to claim 1, characterized in that: the outer wall of the shell (4) is provided with a plurality of ear seats (5) which are positioned at the same height.
5. The low-pressure heater with the inverted vertical built-in hydrophobic cooling section of the steam turbine according to claim 1, characterized in that: the front surface of the shell (4) is provided with a steam inlet (6), and the bottom of the shell is provided with a drain hole.
6. The turbine inverted vertical built-in hydrophobic cooling section low pressure heater according to claim 1, characterized in that: the outer wall of the shell (4) is provided with three triangular plates (7) in a surrounding mode, and the bottoms of the three triangular plates (7) are fixedly provided with bases (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180044.XU CN218097285U (en) | 2022-08-18 | 2022-08-18 | Inverted vertical low-pressure heater with built-in drainage cooling section for steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180044.XU CN218097285U (en) | 2022-08-18 | 2022-08-18 | Inverted vertical low-pressure heater with built-in drainage cooling section for steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218097285U true CN218097285U (en) | 2022-12-20 |
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ID=84448075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222180044.XU Active CN218097285U (en) | 2022-08-18 | 2022-08-18 | Inverted vertical low-pressure heater with built-in drainage cooling section for steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218097285U (en) |
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2022
- 2022-08-18 CN CN202222180044.XU patent/CN218097285U/en active Active
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