CN212645407U - Condenser that many processes tube bank was arranged - Google Patents
Condenser that many processes tube bank was arranged Download PDFInfo
- Publication number
- CN212645407U CN212645407U CN202021305288.0U CN202021305288U CN212645407U CN 212645407 U CN212645407 U CN 212645407U CN 202021305288 U CN202021305288 U CN 202021305288U CN 212645407 U CN212645407 U CN 212645407U
- Authority
- CN
- China
- Prior art keywords
- tube bundle
- tube
- condensation
- bundles
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A condenser with multiple flow tube bundles belongs to the field of power station equipment. The problem of current single flow or two flow condensers, because the space stringing rationality is poor, the heat transfer effect that leads to is poor is solved. The steam extraction device comprises a cylindrical sealing shell, an extraction pipe, two U-shaped coamings, 4 steam baffles and a plurality of groups of pipe bundles, wherein each group of pipe bundles comprises a plurality of pipelines, and a space is reserved between two adjacent pipelines; the interior of the cylindrical sealing shell is uniformly divided into four condensation zones in the circumferential direction, and the four condensation zones in the clockwise direction are respectively a first condensation zone, a second condensation zone and a fourth condensation zone, wherein the second condensation zone is positioned above the first condensation zone, and the third condensation zone is positioned above the fourth condensation zone; tube bundles are arranged in the four condensation zones, intervals are reserved between all the tube bundles and the inner wall of the cylindrical sealing shell, and intervals are reserved between any two adjacent tube bundles; the tube bundles in the first to fourth condensing zones are communicated in sequence. The utility model discloses mainly used carries out the condensation to steam.
Description
Technical Field
The utility model relates to a tube bank arrangement structure's of pipe side multithread condenser belongs to the power station equipment field.
Background
The condenser is an important component of the steam turbine plant, and the quality of the condenser directly affects the economic safety of the steam turbine plant. The condenser has two main functions: a high vacuum is established and maintained at the turbine exhaust, condensing the turbine exhaust into water. At present, most of mature condenser products are concentrated on the level of a large unit of a large power station, and the application of condensers of small units, particularly units below 30MW is rare. The condenser tube bundle arrangement type and the rationality thereof seriously affect the condensation effect of the steam discharged by the low-pressure cylinder of the steam turbine, and the common condenser mostly has the problem of poor heat exchange effect caused by poor space tube arrangement rationality because the tube side is a single flow or a double flow. Therefore, the above problems need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve current single flow or double-flow condenser, because the space stringing rationality is poor, the poor problem of heat transfer effect that leads to provides a condenser that multi-flow tube bank arranged.
A condenser with multiple flow tube bundles comprises a cylindrical sealing shell, an air exhaust pipe, two U-shaped surrounding plates, 4 steam baffles and a plurality of groups of tube bundles, wherein each group of tube bundles comprises a plurality of pipelines, and a space is reserved between every two adjacent pipelines;
the cylindrical sealing shell is arranged in parallel to a horizontal plane, a steam inlet and a condensed water outlet are arranged in the circumferential direction of the side wall of the cylindrical sealing shell, the interior of the cylindrical sealing shell is uniformly divided into four condensation zones in the circumferential direction, the four condensation zones are respectively a first condensation zone, a second condensation zone and a fourth condensation zone in the clockwise direction, the second condensation zone is positioned above the first condensation zone, and the third condensation zone is positioned above the fourth condensation zone;
tube bundles are arranged in the four condensation zones, intervals are reserved between all the tube bundles and the inner wall of the cylindrical sealing shell, and intervals are reserved between any two adjacent tube bundles; the tube bundles in the first to fourth condensing zones are communicated in sequence;
the tube bundle in the first condensing zone and the tube bundle in the second condensing zone are in mirror symmetry along a center line between the first condensing zone and the second condensing zone; the tube bundle in the third condensing zone and the tube bundle in the fourth condensing zone are in mirror symmetry along a center line between the third condensing zone and the fourth condensing zone;
two groups of tube bundles are arranged in the first condensation zone, namely a tube bundle No. 1 and a tube bundle No. 2 respectively, the tube bundle No. 1 surrounds the tube bundle No. 2, the tube bundle No. 2 is positioned in a first U-shaped enclosing plate, and the opening direction of the first U-shaped enclosing plate faces the tube bundle No. 1;
two groups of tube bundles are arranged in the second condensation zone, namely a No. 3 tube bundle and a No. 4 tube bundle respectively, the No. 3 tube bundle surrounds the No. 4 tube bundle, the No. 4 tube bundle is positioned in a second U-shaped enclosing plate, and the opening direction of the second U-shaped enclosing plate faces the No. 3 tube bundle;
a group of tube bundles is arranged in the third condensation zone, and the group of tube bundles is a No. 5 tube bundle;
a group of tube bundles is arranged in the fourth condensation zone, and the group of tube bundles is No. 6 tube bundles;
the air exhaust pipe is provided with an air outlet and two air inlets, wherein one air inlet of the air exhaust pipe is communicated with the enclosed area of the first U-shaped enclosing plate, the other air inlet of the air exhaust pipe is communicated with the enclosed area of the second U-shaped enclosing plate, and the air outlet of the air exhaust pipe extends out of the cylindrical sealing shell;
the two steam baffles are respectively positioned at two sides of the first U-shaped enclosing plate, are positioned between the No. 1 tube bundle and the No. 5 tube bundle and are in contact with the No. 1 tube bundle and the No. 5 tube bundle;
and the two remaining steam baffles are respectively positioned at two sides of the second U-shaped coaming, are positioned between the No. 3 tube bundle and the No. 6 tube bundle and are in contact with the No. 3 tube bundle and the No. 6 tube bundle.
Preferably, No. 5 tube bank and No. 6 tube bank structure are the same, and No. 5 tube bank is the trapezium structure, and the bottom of trapezium structure is equipped with the opening.
Preferably, the outer edges of two sides of the trapezoid structure are provided with a plurality of groups of inclined tube bundles which are gradually expanded from inside to outside.
Preferably, the structure of the No. 1 tube bundle is the same as that of the No. 3 tube bundle, and both the No. 1 tube bundle and the No. 3 tube bundle are semicircular structures.
Preferably, the outer edge of the semicircular structure is provided with a plurality of groups of inclined tube bundles which are gradually enlarged from inside to outside.
During the use, let in the cooling water to the condenser tube bank, the cooling water passes through four condensation zones in proper order, the realization is condensed letting in to the inside steam of condenser, make its steam become liquid, send into the hot-well through the condensate outlet, the exhaust tube is used for the inside air of suction condenser, 4 steam baffle is used for enclosing the stifled passageway that lets in to two U type bounding walls, prevent in too much steam gets into two U type bounding walls, avoid having too much steam in two U type bounding walls outside by the suction condenser, make the steam maximize be in the condenser by the condensation.
The utility model discloses the beneficial effect who brings is: the condenser with four processes is provided, the radial section of the shell of the condenser is circular, and after the shell with the circular section is adopted, the tube bundle is more compactly arranged, the rationality of space utilization can be fully reflected, the stress of the condenser is more uniform, and the structure is more stable;
by adopting a tube side four-flow arrangement mode, the heat exchange performance is better and the average heat exchange coefficient is higher under the same heat exchange area; the cost can be effectively saved under the same heat exchange requirement;
because the circulating water flowing mode of the four processes is more flexible, the sequence of the four processes can be changed under special conditions, for example: the condensed water flows through the tube bundles in the first to fourth condensing zones in sequence, or the condensed water flows through the tube bundles in the second, third, fourth and first condensing zones in sequence.
When the tube bundles are arranged, the tube bundles in the two condensing areas on the left side are arranged in a mirror image mode, and the tube bundles in the two condensing areas on the right side are arranged in a mirror image mode, so that the influence of the self weight factor of inlet steam can be fully considered, and the steam distribution of the condensing areas on the upper portion and the lower portion is more uniform;
two upper and lower pumping areas are adopted, so that the pressure loss of the whole condenser can be effectively reduced.
Drawings
Fig. 1 is a radial sectional view of a condenser with a multi-flow tube bundle arrangement according to the present invention.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, the condenser with multiple flow tube bundles in this embodiment includes a cylindrical sealing shell 1, an air exhaust pipe 2, two U-shaped enclosing plates 3, 4 steam baffles 4, and multiple groups of tube bundles, where each group of tube bundles includes multiple pipelines, and a space is formed between two adjacent pipelines;
the cylindrical sealing shell 1 is arranged in parallel to a horizontal plane, a steam inlet 1-1 and a condensed water outlet 1-2 are arranged in the circumferential direction of the side wall of the cylindrical sealing shell 1, the interior of the cylindrical sealing shell 1 is uniformly divided into four condensation zones in the circumferential direction, the four condensation zones are respectively a first condensation zone, a second condensation zone and a fourth condensation zone in the clockwise direction, the second condensation zone is positioned above the first condensation zone, and the third condensation zone is positioned above the fourth condensation zone;
tube bundles are arranged in the four condensation zones, intervals are reserved between all the tube bundles and the inner wall of the cylindrical sealing shell 1, and intervals are reserved between any two adjacent tube bundles; the tube bundles in the first to fourth condensing zones are communicated in sequence;
the tube bundle in the first condensing zone and the tube bundle in the second condensing zone are in mirror symmetry along a center line between the first condensing zone and the second condensing zone; the tube bundle in the third condensing zone and the tube bundle in the fourth condensing zone are in mirror symmetry along a center line between the third condensing zone and the fourth condensing zone;
two groups of tube bundles are arranged in the first condensation zone, namely a tube bundle No. 1 5 and a tube bundle No. 2 6 respectively, the tube bundle No. 1 5 surrounds the tube bundle No. 2, the tube bundle No. 2 6 is positioned in the first U-shaped enclosing plate 3, and the opening direction of the first U-shaped enclosing plate 3 faces the tube bundle No. 1 5;
two groups of tube bundles are arranged in the second condensation zone, namely a No. 3 tube bundle 7 and a No. 4 tube bundle 8 respectively, the No. 3 tube bundle 7 surrounds the No. 4 tube bundle 8, the No. 4 tube bundle 8 is positioned in the second U-shaped enclosing plate 3, and the opening direction of the second U-shaped enclosing plate 3 faces the No. 3 tube bundle 7;
a group of tube bundles is arranged in the third condensation zone, and the group of tube bundles is a No. 5 tube bundle 9;
a group of tube bundles is arranged in the fourth condensation zone, and the group of tube bundles is a No. 6 tube bundle 10;
the air exhaust pipe 2 is provided with an air outlet and two air inlets, wherein one air inlet of the air exhaust pipe 2 is communicated with the enclosed area of the first U-shaped enclosing plate 3, the other air inlet of the air exhaust pipe 2 is communicated with the enclosed area of the second U-shaped enclosing plate 3, and the air outlet of the air exhaust pipe 2 extends out of the cylindrical sealing shell 1;
the two steam baffles 4 are respectively positioned at two sides of the first U-shaped coaming 3, and the two steam baffles 4 are positioned between the No. 1 tube bundle 5 and the No. 5 tube bundle 9 and are contacted with the No. 1 tube bundle 5 and the No. 5 tube bundle 9;
the remaining two steam baffles 4 are located on either side of the second U-shaped skirt 3, and the remaining two steam baffles 4 are located between and in contact with bundle No. 3, bundle No. 7 and bundle No. 6, bundle No. 10, and bundle No. 3, bundle No. 7 and bundle No. 6, respectively.
This embodiment provides a condenser that four processes tube banks were arranged, let in the cooling water of condenser tube bank, follow four condensation zones in proper order, the realization is condensed letting in to the inside steam of condenser, make its steam become liquid, send into the hot-well through condensate outlet 1-2, exhaust tube 2 is used for the inside air of suction condenser, 4 a steam baffle 4 is used for enclosing the stifled passageway that lets in to two U type bounding walls 3, prevent in too much steam gets into two U type bounding walls 3, avoid having too much steam in two U type bounding walls 3 outside by the suction condenser, make the steam maximize be in the condenser by the condensation.
When the device is used specifically, steam discharged by a low-pressure cylinder of a steam turbine horizontally enters a condenser through a steam inlet 1-1 shown in figure 1, and the steam starts to diffuse and flow after entering the condenser and reaching a shell; in the diffusion process, firstly, part of steam directly enters the third condensing zone and the fourth condensing zone and exchanges heat with the media in the heat exchange tube bundles in the two condensing zones; and the rest steam continuously moves leftwards through the gaps between the tube bundles in the third condensing area and the shell of the condenser respectively, in the flowing process, the steam continuously enters the gaps of the tube bundles through the gaps among the pipelines in the tube bundles and exchanges heat with the medium in the heat exchange tubes, and finally the rest steam bypasses the leftmost sides of the tube bundles in the first condensing area and the second condensing area at the leftmost sides and enters the first condensing area and the second condensing area through the positions. In the heat exchange process, steam is continuously condensed into water, and the water drops into the hot well through the wall surface of the shell and gaps among different heat exchange tube bundles through the condensed water outlet 1-2 for collection.
Because the steam discharged by the low-pressure cylinder of the steam turbine and the part of non-condensable gas contained in the condenser body are mainly air, the part of non-condensable gas is extracted through the extraction pipe 2 in the first condensation area and the second condensation area.
Further, No. 5 tube bank 9 and No. 6 tube bank 10 structure is the same, and No. 5 tube bank 9 is the trapezium structure, and the bottom of trapezium structure is equipped with opening 11.
Furthermore, the outer edges of two side edges of the trapezoid structure are provided with a plurality of groups of inclined tube bundles which gradually expand from inside to outside.
Furthermore, the structure of the tube bundle No. 1 5 and the structure of the tube bundle No. 3 are the same and are both semicircular structures.
Furthermore, the outer edge of the semicircular structure is provided with a plurality of groups of inclined tube bundles which are gradually expanded from inside to outside.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (5)
1. A condenser with multiple flow tube bundles is characterized by comprising a cylindrical sealing shell (1), an air extraction pipe (2), two U-shaped enclosing plates (3), 4 steam baffles (4) and a plurality of groups of tube bundles, wherein each group of tube bundles comprises a plurality of pipelines, and a space is reserved between every two adjacent pipelines;
the cylindrical sealing shell (1) is arranged in parallel to a horizontal plane, a steam inlet (1-1) and a condensed water outlet (1-2) are formed in the circumferential direction of the side wall of the cylindrical sealing shell (1), the interior of the cylindrical sealing shell (1) is uniformly divided into four condensation zones in the circumferential direction, the four condensation zones are respectively a first condensation zone, a second condensation zone and a fourth condensation zone in the clockwise direction, the second condensation zone is positioned above the first condensation zone, and the third condensation zone is positioned above the fourth condensation zone;
tube bundles are arranged in the four condensation zones, intervals are reserved between all the tube bundles and the inner wall of the cylindrical sealing shell (1), and intervals are reserved between any two adjacent tube bundles; the tube bundles in the first to fourth condensing zones are communicated in sequence;
the tube bundle in the first condensing zone and the tube bundle in the second condensing zone are in mirror symmetry along a center line between the first condensing zone and the second condensing zone; the tube bundle in the third condensing zone and the tube bundle in the fourth condensing zone are in mirror symmetry along a center line between the third condensing zone and the fourth condensing zone;
two groups of tube bundles are arranged in the first condensation zone, namely a tube bundle 1 (5) and a tube bundle 2 (6), wherein the tube bundle 1 (5) surrounds the tube bundle 2 (6), the tube bundle 2 (6) is positioned in the first U-shaped enclosing plate (3), and the opening direction of the first U-shaped enclosing plate (3) faces to the tube bundle 1 (5);
two groups of tube bundles are arranged in the second condensation zone, namely a No. 3 tube bundle (7) and a No. 4 tube bundle (8), the No. 3 tube bundle (7) surrounds the No. 4 tube bundle (8), the No. 4 tube bundle (8) is positioned in the second U-shaped enclosing plate (3), and the opening direction of the second U-shaped enclosing plate (3) faces the No. 3 tube bundle (7);
a group of tube bundles are arranged in the third condensation zone, and the group of tube bundles is a No. 5 tube bundle (9);
a group of tube bundles are arranged in the fourth condensation zone, and the group of tube bundles is a No. 6 tube bundle (10);
the air exhaust pipe (2) is provided with an air outlet and two air inlets, wherein one air inlet of the air exhaust pipe (2) is communicated with the enclosed area of the first U-shaped enclosing plate (3), the other air inlet of the air exhaust pipe (2) is communicated with the enclosed area of the second U-shaped enclosing plate (3), and the air outlet of the air exhaust pipe (2) extends out of the cylindrical sealing shell (1);
the two steam baffles (4) are respectively positioned at two sides of the first U-shaped enclosing plate (3), and the two steam baffles (4) are positioned between the No. 1 tube bundle (5) and the No. 5 tube bundle (9) and are in contact with the No. 1 tube bundle (5) and the No. 5 tube bundle (9);
the remaining two steam baffles (4) are respectively positioned at two sides of the second U-shaped enclosing plate (3), and the remaining two steam baffles (4) are positioned between the No. 3 tube bundle (7) and the No. 6 tube bundle (10) and are in contact with the No. 3 tube bundle (7) and the No. 6 tube bundle (10).
2. The condenser with the multi-flow tube bundle arrangement as recited in claim 1, wherein the number 5 tube bundle (9) and the number 6 tube bundle (10) have the same structure, the number 5 tube bundle (9) has a trapezoid structure, and the bottom of the trapezoid structure is provided with a notch (11).
3. The condenser with the multi-flow tube bundle arrangement according to claim 2, wherein the outer edges of two side edges of the trapezoid structure are provided with a plurality of groups of inclined tube bundles which are gradually enlarged from inside to outside.
4. The condenser with the multi-flow tube bundle arrangement according to claim 1, wherein the tube bundle No. 1 (5) and the tube bundle No. 3 (7) have the same structure and are both semi-circular structures.
5. The condenser with the multi-flow tube bundle arrangement as claimed in claim 4, wherein the outer edge of the semi-circular structure is provided with a plurality of groups of inclined tube bundles which are gradually enlarged from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021305288.0U CN212645407U (en) | 2020-07-06 | 2020-07-06 | Condenser that many processes tube bank was arranged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021305288.0U CN212645407U (en) | 2020-07-06 | 2020-07-06 | Condenser that many processes tube bank was arranged |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212645407U true CN212645407U (en) | 2021-03-02 |
Family
ID=74785484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021305288.0U Active CN212645407U (en) | 2020-07-06 | 2020-07-06 | Condenser that many processes tube bank was arranged |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212645407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686167A (en) * | 2021-08-23 | 2021-11-23 | 杭州国能汽轮工程有限公司 | Air cooling area arrangement method for condenser with large length-diameter ratio |
| CN116793102A (en) * | 2023-07-07 | 2023-09-22 | 杭州国能汽轮工程有限公司 | Centripetal condenser based on single extraction opening |
-
2020
- 2020-07-06 CN CN202021305288.0U patent/CN212645407U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113686167A (en) * | 2021-08-23 | 2021-11-23 | 杭州国能汽轮工程有限公司 | Air cooling area arrangement method for condenser with large length-diameter ratio |
| CN113686167B (en) * | 2021-08-23 | 2022-07-08 | 杭州国能汽轮工程有限公司 | Air cooling area arrangement method for condenser with large length-diameter ratio |
| CN116793102A (en) * | 2023-07-07 | 2023-09-22 | 杭州国能汽轮工程有限公司 | Centripetal condenser based on single extraction opening |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212645407U (en) | Condenser that many processes tube bank was arranged | |
| CN202993895U (en) | Steam exhaust cooler of high-water-side pressure steam-driving induced draft fan steam turbine | |
| CN111271987A (en) | Wet cooling tower | |
| CN107843124A (en) | Hybrid air cooling tubes condenser tube bank and the air cooling tubes condenser using the hybrid tube bank | |
| CN201382706Y (en) | Centripetal air pumping structure of lateral condensator | |
| CN109682224B (en) | Rugby-shaped condenser tube bundle and application thereof | |
| CN215638950U (en) | Condensation module and condenser | |
| CN216986361U (en) | Radial flow cold trap | |
| CN109357542B (en) | Condenser pipe arrangement method with low exhaust steam condensation resistance | |
| CN111442657A (en) | Low-pressure vacuum condenser | |
| CN220853201U (en) | Lateral steam inlet condenser | |
| CN210473103U (en) | Anti-scaling flue gas condenser for chimney de-whitening | |
| CN113090526A (en) | Water ring vacuum system with coil pipe condensation cylinder | |
| CN216205412U (en) | Floating head type condenser capable of efficiently condensing | |
| CN217131889U (en) | Condenser drain pipe for marine container corrosion-resistant heat exchanger | |
| CN207456217U (en) | Gravity-flow ventilation direct air cooling system | |
| AU712064B2 (en) | Steam condenser | |
| WO2023155610A1 (en) | Radial flow cold trap | |
| CN117685804B (en) | Multi-header split-flow annular printed circuit board heat exchanger | |
| CN220472351U (en) | Condenser and cooling system | |
| CN212082072U (en) | Tube bundle structure of cylindrical shaft condenser | |
| CN216011812U (en) | Be applied to drainage device of centripetal air exhaust condenser | |
| CN218329488U (en) | Circulating water heat exchange device of thermal power plant | |
| CN216869234U (en) | Condenser arranged in cylinder in wing-shaped tube bundle | |
| CN210292898U (en) | Condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |