CN220541791U - Cooling and condensing equipment of steam turbine - Google Patents
Cooling and condensing equipment of steam turbine Download PDFInfo
- Publication number
- CN220541791U CN220541791U CN202321878355.1U CN202321878355U CN220541791U CN 220541791 U CN220541791 U CN 220541791U CN 202321878355 U CN202321878355 U CN 202321878355U CN 220541791 U CN220541791 U CN 220541791U
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- Prior art keywords
- box body
- cooling
- condensing
- steam turbine
- steam
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- 238000001816 cooling Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007921 spray Substances 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 description 9
- 230000005494 condensation Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides cooling and condensing equipment of a steam turbine, which comprises a box body connected with a steam outlet of the steam turbine, wherein a water spraying mechanism arranged along the circulation direction of steam discharged by the steam turbine is arranged in the box body, the water spraying mechanism comprises a hollow plate connected with cooling water supply equipment, a plurality of spray heads with flat spray holes are arranged on the hollow plate, a condensing mechanism is arranged between the water spraying mechanism and the inner wall of the box body, a flow guide pipe extending to the outside of the box body is arranged on the inner bottom surface of the box body, and an exhaust pipe is arranged on the side wall of the box body opposite to the steam outlet of the steam turbine. The utility model fully covers the internal channel, fully cools the internal channel, captures and collects small water drops in steam by the condensing net, and can be reused after being collected, thereby avoiding water resource waste.
Description
Technical Field
The utility model relates to the field of steam turbine condensing equipment, in particular to cooling condensing equipment of a steam turbine.
Background
A steam turbine is a device for converting thermal energy of steam into mechanical energy, and the steam in the steam turbine is generally in a high-temperature and high-pressure state, and a temperature reduction treatment is often required when the steam turbine exhaust is treated. In a steam turbine condensing unit, steam turbine exhaust steam can enter a condenser, the vacuum degree of the condenser is an important factor for ensuring safe and stable operation of the steam turbine, if the steam temperature is too high, the vacuum damage of the condenser can be caused, and the steam turbine is forced to stop, so that unnecessary economic loss is caused. In addition, if the steam temperature exceeds the design temperature of the condenser, potential safety hazards can be buried in the aspect of equipment strength, so that the stable operation of the system is influenced, and the use safety is endangered.
In the back pressure unit, the energy contained in the exhaust steam of the steam turbine is high, and the exhaust steam is generally used for other purposes, and the steam needs to be cooled to a proper value.
The existing water spraying devices are all circular radial spraying, gaps exist among mist sprayed by the spray heads, the steam cannot be sufficiently cooled, and the steam after spraying and cooling contains a large number of small water drops, so that a large amount of water resource waste is caused by direct removal.
Disclosure of Invention
The utility model aims to solve the problems and provide the cooling and condensing equipment of the steam turbine, which is capable of fully cooling and avoiding resource waste.
The utility model provides cooling and condensing equipment of a steam turbine, which comprises a box body connected with a steam outlet of the steam turbine, wherein a water spraying mechanism arranged along the circulation direction of steam discharged by the steam turbine is arranged in the box body, the water spraying mechanism comprises a hollow plate connected with cooling water supply equipment, a plurality of spray heads with flat spray holes are arranged on the hollow plate, a condensing net is arranged between the water spraying mechanism and the inner wall of the box body, a flow guide pipe extending to the outside of the box body is arranged on the inner bottom surface of the box body, and an exhaust pipe is arranged on the side wall of the box body opposite to the steam outlet of the steam turbine.
Further, the box body is connected with the steam turbine exhaust port through an air inlet pipe, and the air inlet pipe is arranged at a position, close to the bottom of the box body, of the side wall of the box body.
Further, the exhaust pipe is installed at a position, close to the top of the box, of the side wall of the box.
Further, the hollow slab is connected with the cooling water supply device through a water inlet pipe.
Further, the water inlet pipe is arranged outside the box body, and one end of the water inlet pipe penetrates through the outer wall of the box body and is connected with the hollow plate.
Further, a plurality of channels are uniformly distributed on the hollow plate, and the spray heads are arranged at the outer ports of the channels.
Further, the condensing net comprises a condensing plate and a supporting plate, the condensing plate is in an inverted V shape, and the condensing plate is arranged on the surface of the supporting plate to form a bending channel.
Further, two ends of the supporting plate are respectively connected with one end, far away from the water inlet pipe, of the hollow plate and the inner wall of the box body through the base.
Further, the guide pipes are distributed on two sides of the hollow slab.
Further, the bottom surface of the box body is obliquely arranged, and the flow guide pipe is arranged at the lowest position of the bottom surface of the box body.
The utility model adopts the flat spray holes to form the water curtain, fully covers the internal channel, fully cools the internal channel, simultaneously captures and collects small water drops in steam by the condensing net, can be reused after being collected, and avoids water resource waste.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a spray head according to the present utility model;
FIG. 3 is a schematic view of a condensing net structure according to the present utility model;
reference numerals illustrate:
in the figure: 1-box body, 2-condensing net, 3-water inlet pipe, 4-exhaust pipe, 5-spray head, 6-flow guide pipe, 7-air inlet pipe, 8-high pressure cylinder pipeline, 9-steam turbine, 10-generator, 11-base, 12-condensing plate, 13-support plate, 14-spray hole and 15-hollow plate;
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, 2 and 3:
the utility model provides a steam turbine cooling and condensing equipment, includes box 1 of being connected with 9 steam vents of steam turbine, is equipped with the water spray mechanism that arranges along the circulation direction of 9 exhaust steam of steam turbine in the box 1, and water spray mechanism is used for cooling high temperature steam, is equipped with condensation net 2 between water spray mechanism and the box 1 inner wall for the water droplet in the filtration condensation steam.
The box 1 is connected through intake pipe 7 with steam turbine 9 exhaust port, and intake pipe 7 installs the position that is close to box 1 bottom at box 1 lateral wall, installs blast pipe 4 on the relative lateral wall of box 1 and steam turbine 9 exhaust port, and blast pipe 4 installs the position that is close to box 1 top at box 1 lateral wall, and high-pressure steam gets into inside box 1 through intake pipe 7 to discharge through blast pipe 4.
The left end of the air inlet pipe 7 is fixedly connected with a steam turbine 9, the upper end of an inner shaft rod of the steam turbine 9 is fixedly connected with a transmission shaft of a generator 10, and the left side of the steam turbine 9 is fixedly connected with a high-pressure cylinder pipeline 8.
The high-pressure cylinder conveys high-pressure steam into the steam turbine 9 through the high-pressure cylinder pipeline 8, so that the shaft rod in the steam turbine rotates, the effect of converting heat energy into kinetic energy is achieved, the generator 10 is driven to drive the shaft rod to rotate together, electric quantity is generated, the kinetic energy is converted into electric energy in the step, and the steam turbine 9 is conventional common equipment, and no excessive description is made here.
The water spraying mechanism comprises a hollow plate 15 connected with cooling water supply equipment, the hollow plate 15 is connected with the cooling water supply equipment through a water inlet pipe 3, the water inlet pipe 3 is arranged outside the box body 1, and one end of the water inlet pipe 3 penetrates through the outer wall of the box body 1 and is connected with the hollow plate 15.
The hollow plate 15 is uniformly provided with a plurality of channels, and the outer ports of the channels are provided with a plurality of spray heads 5 with flat spray holes 14.
The water inlet pipe 3 conveys cooling water into the hollow plate 15, then conveys the cooling water to each spray head 5, high-pressure sprays a flat water curtain through the spray holes 14, and cools the steam when the steam passes through the internal channel of the box body 1.
The condensing net 2 consists of a condensing plate 12 and a supporting plate 13, wherein a plurality of inverted V-shaped condensing plates 12 are arranged on the surface of the supporting plate 13, and two ends of the supporting plate 13 are respectively connected with one end, far away from the water inlet pipe 3, of a hollow plate 15 and the inner wall of the box body 1 through a base 11.
A condensing net 2 is arranged between the water spraying mechanism positioned at the left side and the top wall of the box body 1, and the condensing net 2 is arranged between the water spraying mechanism positioned at the right side and the bottom wall of the box body 1.
The steam in the box body 1 contains a large amount of steam, and when the steam passes through the inside of the condensation screen 2, the steam is condensed into liquid water drops which are attached to the surface of the condensation plate 12.
The honeycomb duct 6 that extends to the outside of box 1 is installed to the interior bottom surface of box 1, and honeycomb duct 6 distributes in the both sides of empty core plate 15, and after a large amount of water droplet was attached to on the condensate plate 12, the water droplet can drip to box 1 bottom along condensate plate 12 to through honeycomb duct 6 backward flow circulation.
In addition to the above arrangement of the flow guide tube 6, in order to improve the liquid collecting efficiency after the vapor in the box 1 is condensed, the bottom surface of the box 1 may be inclined, and the flow guide tube 6 is installed at the lowest position of the bottom surface of the box 1.
The working principle of the device is as follows: the high-pressure steam enters the box body 1 through the air inlet pipe 7; at this time, the water inlet pipe 3 conveys cooling water into the hollow plate 15, then conveys the cooling water to the spray heads 5, the spray holes 14 spray out the flat water curtain at high pressure, and when steam passes through the internal channel of the box body 1, the water curtain is cooled, and at this time, a large amount of small water drops are contained in the steam, when the steam passes through the bending channel formed by the condensation plate 12 in the condensation net 2, the small water drops are attached to the surface of the condensation plate 12, and when a large amount of water drops are attached to the condensation plate 12, the water drops drop to the bottom of the box body 1 along the condensation plate 12 and flow back and circulation are performed through the flow guide pipe 6.
The utility model adopts the flat spray holes to form the water curtain, fully covers the internal channel, fully cools the internal channel, simultaneously captures and collects small water drops in steam by the condensing net, can be reused after being collected, and avoids water resource waste.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A steam turbine cooling and condensing device is characterized in that: the cooling water spraying device comprises a box body connected with a steam turbine steam outlet, wherein a water spraying mechanism arranged along the circulation direction of steam turbine exhaust steam is arranged in the box body, the water spraying mechanism comprises a hollow plate connected with cooling water supply equipment, a plurality of spray heads with flat spray holes are arranged on the hollow plate, a condensing net is arranged between the water spraying mechanism and the inner wall of the box body, a flow guide pipe extending to the outer part of the box body is arranged on the inner bottom surface of the box body, and an exhaust pipe is arranged on the side wall of the box body opposite to the steam turbine steam outlet.
2. The cooling and condensing apparatus of claim 1, wherein: the box body is connected with the steam turbine exhaust port through an air inlet pipe, and the air inlet pipe is arranged at a position, close to the bottom of the box body, of the side wall of the box body.
3. The cooling and condensing apparatus of claim 1, wherein: the exhaust pipe is arranged at a position, close to the top of the box, of the side wall of the box.
4. The cooling and condensing apparatus of claim 1, wherein: the hollow slab is connected with the cooling water supply device through a water inlet pipe.
5. The cooling and condensing apparatus of claim 4, wherein: the water inlet pipe is arranged outside the box body, and one end of the water inlet pipe penetrates through the outer wall of the box body and is connected with the hollow plate.
6. The cooling and condensing apparatus of claim 5, wherein: the hollow plate is uniformly provided with a plurality of channels, and the spray heads are arranged at the outer ports of the channels.
7. The cooling and condensing apparatus of claim 4, wherein: the condensing net comprises a condensing plate and a supporting plate, wherein the condensing plate is in an inverted V shape, and the condensing plate is arranged on the surface of the supporting plate to form a bending channel.
8. The cooling and condensing apparatus of claim 7, wherein: the two ends of the supporting plate are respectively connected with one end, far away from the water inlet pipe, of the hollow plate and the inner wall of the box body through the base.
9. The cooling and condensing apparatus of claim 1, wherein: the honeycomb duct is distributed on two sides of the hollow slab.
10. The cooling and condensing apparatus of claim 1, wherein: the bottom surface of the box body is obliquely arranged, and the flow guide pipe is arranged at the lowest position of the bottom surface of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878355.1U CN220541791U (en) | 2023-07-17 | 2023-07-17 | Cooling and condensing equipment of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321878355.1U CN220541791U (en) | 2023-07-17 | 2023-07-17 | Cooling and condensing equipment of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541791U true CN220541791U (en) | 2024-02-27 |
Family
ID=89964683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321878355.1U Active CN220541791U (en) | 2023-07-17 | 2023-07-17 | Cooling and condensing equipment of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541791U (en) |
-
2023
- 2023-07-17 CN CN202321878355.1U patent/CN220541791U/en active Active
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