CN113418404B - Ship hull co-injection condensed steam device - Google Patents
Ship hull co-injection condensed steam device Download PDFInfo
- Publication number
- CN113418404B CN113418404B CN202110685828.5A CN202110685828A CN113418404B CN 113418404 B CN113418404 B CN 113418404B CN 202110685828 A CN202110685828 A CN 202110685828A CN 113418404 B CN113418404 B CN 113418404B
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- China
- Prior art keywords
- cavity
- shell
- condensing
- heat transfer
- transfer tube
- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000013535 sea water Substances 0.000 claims abstract description 24
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 8
- 238000006392 deoxygenation reaction Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000005587 bubbling Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/10—Auxiliary systems, arrangements, or devices for extracting, cooling, and removing non-condensable gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to a ship hull co-injection condensed steam device, which comprises a shell, a hot well, a heat transfer tube bundle, a tube plate, a water injection air extractor and a bubbler, wherein the shell is provided with a heat transfer tube; the inside of the shell is sequentially divided into a seawater cavity, a condensing cavity and a transition cavity by two tube plates, and the seawater cavity is divided into a water inlet cavity and a water outlet cavity; the heat transfer tube bundles are arranged in the condensing cavity in an array mode, two ends of one part of the heat transfer tube bundles are respectively communicated with the water inlet cavity and the transition cavity, and two ends of the other part of the heat transfer tube bundles are respectively communicated with the water outlet cavity and the transition cavity; the thermal well is positioned below the shell and is communicated with the condensing cavity; the water jet air extractor is arranged outside the shell, and the two interfaces are respectively communicated with the water outlet cavity and the condensing cavity; the bubbler is inserted into the condensing chamber and is arranged in the middle area of the heat transfer tube bundle and the thermal well. The invention can realize the integrated integration of the structures and functions of the condenser, the hull structure, the air extractor, the deaerator and other equipment, thereby improving the utilization rate of cabin space in shipping arrangement and improving the thermal efficiency of a thermodynamic system.
Description
Technical Field
The invention relates to the technical field of ship steam power system design, in particular to a ship hull co-injection condensing steam device.
Background
The condenser of the ship steam power system is used for cooling the dead steam of the turbine after doing work and providing a vacuum environment for the outlet of the turbine, so that the operation thermal efficiency of power devices such as a main turbine unit, a turbine generator unit and the like is guaranteed. The auxiliary system of the steam power condenser has strong coupling, multiple operating conditions and complex configuration equipment, the operation performance of the auxiliary system influences the stability of the whole steam power system, and the configuration equipment is an important factor for restricting the arrangement of cabins. The condenser is used for cooling exhaust steam of a steam turbine into under-condensed water and loading the under-condensed water by a hot well, the sea water pump is used for providing a sea water cold source for cooling the exhaust steam for the condenser, and the air extractor is used for extracting a steam-gas mixture in the condenser to establish a vacuum environment.
In a steam power system, the condenser is large in structural volume, occupies a large amount of ship cabin space and is unfavorable for the overall arrangement of equipment. The air extractor adopts steam as an injection air extraction power source to maintain the vacuum environment of the condenser, and the part of steam energy is considered to not provide effective power, so that steam resources are indirectly wasted. Meanwhile, in order to control the content of oxygen components in the condensate, an atmospheric deaerator is arranged on the ship to carry out thermal deaeration, the deaerator is large in size, occupies more cabin space on the real ship, and is also required to be arranged in a high-level area in order to prevent cavitation of a water supply pump, so that a great difficulty is brought to the overall arrangement of a narrow cabin.
Therefore, in order to solve the problems of large volume structure, more auxiliary equipment, poor fitting capacity, complex operation and running and the like of the condenser of the steam power system, a ship hull common-mode condensation steam injection device is needed to be provided, the integrated integration of the structures and functions of the condenser, a ship body structure, an air extractor, a deaerator and other equipment is realized, and the integrated capacity of condensation exhaust steam, air extraction and vacuum establishment, thermal deaeration, ship hull common-mode and the like is provided.
Disclosure of Invention
The invention aims to solve the technical problems of large volume structure, more auxiliary equipment, poor fitting capacity, complex operation and the like of a condenser in a narrow and severe marine environment in the prior art, and provides a ship hull common-mode condensation steam device which can realize the integrated integration of the structures and functions of the condenser, a ship body structure, an air extractor, a deaerator and other equipment, has comprehensive capacities of condensation exhaust steam, air extraction and vacuum establishment, thermal deaeration, ship body common-mode and the like, improves the cabin space utilization rate of ship loading arrangement, improves the thermal efficiency of a thermal system, and is also an overall design and reserve technology of a related ship power system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a ship hull co-injection condensed steam device comprises a shell, a hot well, a heat transfer tube bundle, a tube plate, a water injection air extractor and a bubbler; the inside of the shell is sequentially divided into a seawater chamber, a condensing chamber and a transition chamber by two tube plates, wherein the seawater chamber is divided into a water inlet chamber and a water outlet chamber by a partition plate; the heat transfer tube bundles are arranged in the condensing cavity in an array mode, two ends of each heat transfer tube bundle are respectively and fixedly arranged on the two tube plates, wherein two ends of one part of the heat transfer tube bundles are respectively communicated with the water inlet cavity and the transition cavity, and two ends of the other part of the heat transfer tube bundles are respectively communicated with the water outlet cavity and the transition cavity; the thermal well is positioned below the shell and is communicated with the condensing cavity; the water jet air extractor is arranged outside the shell, and two interfaces of the water jet air extractor are respectively communicated with the water outlet cavity and the condensing cavity; the bubbler is inserted into the condensing chamber and is arranged in the middle area of the heat transfer tube bundle and the thermal well.
In the scheme, the shell is constructed by utilizing a ship body double deck structure, and the thermal well is formed by enclosing and reconstructing a short deck and a longitudinal wall below a lower deck of the shell.
In the scheme, the tube plates are vertically arranged in the shell, and the heat transfer tube bundles are vertically distributed in an array.
In the scheme, the partition plate is horizontally arranged in the middle of the seawater chamber, the lower part of the partition plate is the water inlet chamber, and the upper part of the partition plate is the water outlet chamber.
In the scheme, a seawater outlet is formed in the shell at the upper part of the water outlet cavity; the shell at the upper part of the condensing cavity is provided with a dead steam inlet and a steam-gas mixture outlet; the water jet air extractor is positioned above the shell.
In the above scheme, the bubbler is horizontally arranged in the middle area of the heat transfer tube bundle and the hot well.
In the scheme, the bubbler adopts heating steam from a steam turbine to bubble and thermally deoxidize the condensed water in the condensing cavity.
The invention has the beneficial effects that:
1. the invention constructs the shell and the thermal well of the shell-and-tube condenser by utilizing the deck structure of the cabin of the ship, the high-efficiency heat transfer tube bundle is compactly arranged in the shell of the horizontal condenser in a tube-in-tube mode, the water jet air extractor is directly connected with the air extraction interface of the shell of the condenser, the seawater cooled by the condenser is used as the ejector power source of the air extractor, and the heating steam is used for bubbling thermal deoxidization of the condensed water through the bubbler arranged in the thermal well, thereby having the comprehensive integrated functions of shell sharing, cooling air extraction, bubbling deoxidization and the like and comprehensively improving the energy consumption level and the power density level of the steam power system.
2. The invention can be used for the overall integrated design of a ship steam power system, solves the technical problems of large volume structure, more auxiliary equipment, poor fitting capacity, complex operation and the like of the condenser in a narrow and severe marine environment, realizes the integrated integration of equipment structures and functions such as the condenser, the air extractor, the deaerator, the hull structure and the like, improves the cabin space utilization rate of shipping arrangement and the thermal efficiency of a thermodynamic system, and also ensures that the operation flow of equipment is simple, thereby being more beneficial to the personnel reduction and synergy of a real ship and the modular installation and construction of the equipment.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a ship hull co-injection condensing vapor device.
In the figure: 1. a condenser; 2. a housing; 21. a seawater chamber; 211. a water inlet chamber; 212. a water outlet chamber; 22. a condensing chamber; 23. a transition chamber; 3. a hot well; 4. a heat transfer tube bundle; 5. a tube sheet; 6. a water jet air extractor; 7. a bubbler; 8. a partition board.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, the hull co-injection condensing vapor device provided by the embodiment of the invention comprises a shell 2, a thermal well 3, a heat transfer tube bundle 4, a tube plate 5, a water injection air extractor 6 and a bubbler 7. The interior of the shell 2 is sequentially divided into a seawater chamber 21, a condensing chamber 22 and a transition chamber 23 by two tube plates 5, wherein the seawater chamber 21 is divided into a water inlet chamber 211 and a water outlet chamber 212 by a partition plate 8. The heat transfer tube bundles 4 are arranged in the condensing chamber 22 in an array mode, two ends of the heat transfer tube bundles 4 are respectively and fixedly arranged on the two tube plates 5, wherein two ends of one part of the heat transfer tube bundles 4 are respectively communicated with the water inlet chamber 211 and the transition chamber 23, and two ends of the other part of the heat transfer tube bundles 4 are respectively communicated with the water outlet chamber 212 and the transition chamber 23. The thermal well 3 is located below the shell 2 and is communicated with the condensing chamber 22, and the thermal well 3 and the condensing chamber 22 jointly form the condenser 1. The water jet air extractor 6 is installed outside the shell 2, and two interfaces of the water jet air extractor 6 are respectively communicated with the water outlet chamber 212 and the condensing chamber 22. The bubbler 7 is inserted inside the condensing chamber 22 and is disposed in the intermediate region of the heat transfer tube bundle 4 and the thermal well 3.
Further optimized, in the embodiment, the shell 2 is constructed by using a 921 steel hull double-layer bottom deck structure (a ship bottom plate and an inner bottom plate) and is in a horizontal square structure form; the thermal well 3 is formed by enclosing and reforming a short deck and a longitudinal wall below a lower deck of the shell 2.
Further preferably, in this embodiment, the tube plates 5 are vertically installed inside the shell 2, and the heat transfer tube bundles 4 are vertically distributed in an array. The heat transfer tube bundle 4 is fixed on the tube plate 5 by expansion joint, and then the tube plate 5 is directly welded with the shell 2 of the condenser 1.
Further preferably, in this embodiment, the partition 8 is horizontally installed in the middle of the seawater chamber 21, the lower part of the partition 8 is a water inlet chamber 211, and the upper part of the partition 8 is a water outlet chamber 212, where the housing 2 on the side of the water inlet chamber 211 is provided with a seawater inlet and is communicated with external seawater, and the housing 2 on the upper part of the water outlet chamber 212 is provided with a seawater outlet for connecting with the water jet air extractor 6.
Further preferably, in this embodiment, the housing 2 at the upper part of the condensing chamber 22 is provided with a steam exhaust inlet and a steam-gas mixture outlet. The water jet air extractor 6 is positioned above the shell 2, and the two interfaces are respectively and directly butt-welded with the seawater inlet of the water outlet chamber 212 and the steam-gas mixture outlet of the condensing chamber 22.
Further preferably, in this embodiment, the bubbler 7 is arranged horizontally in the middle region of the heat transfer tube bundle 4 and the thermal well 3.
Further preferably, in the present embodiment, the bubbler 7 uses the heated steam from the steam turbine to bubble the condensed water in the condensing chamber 22 for thermal deoxygenation.
Under the operating condition, exhaust steam after the main turbine does work is discharged to the shell side of the condenser 1, the exhaust steam is cooled into condensate by utilizing the seawater flowing in the heat transfer tube bundle 4, the condensate is subjected to bubbling thermal deoxidization by using the bubbler 7 through heating steam, the deoxidized condensate is collected by the thermal well 3, meanwhile, the cooled seawater is ejected through the water jet air extractor 6 and is extracted into a steam-gas mixture in the condenser 1, the vacuum environment of the condenser 1 is maintained, and the extracted steam-water mixture is diffused and discharged to the outside of the ship.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (2)
1. The ship hull co-injection condensing steam device is characterized by comprising a shell, a hot well, a heat transfer tube bundle, a tube plate, a water injection air extractor and a bubbler; the shell is constructed by a ship body double deck structure, the interior of the shell is sequentially divided into a sea water cavity, a condensing cavity and a transition cavity by two tube plates, and the tube plates are vertically arranged in the shell; the seawater chamber is divided into a water inlet chamber and a water outlet chamber by a partition plate, the partition plate is horizontally arranged in the middle of the seawater chamber, the water inlet chamber is arranged at the lower part of the partition plate, and the water outlet chamber is arranged at the upper part of the partition plate; the heat transfer tube bundles are arranged in the condensing cavity in a vertical array mode, two ends of each heat transfer tube bundle are respectively and fixedly arranged on the two tube plates, wherein two ends of one part of the heat transfer tube bundles are respectively communicated with the water inlet cavity and the transition cavity, and two ends of the other part of the heat transfer tube bundles are respectively communicated with the water outlet cavity and the transition cavity; the thermal well is located below the shell, is formed by surrounding and reconstructing a short deck and a longitudinal wall below a lower deck of the shell, and is communicated with the condensing cavity; the shell at the upper part of the water outlet chamber is provided with a seawater outlet, and the shell at the upper part of the condensing chamber is provided with a dead steam inlet and a steam-gas mixture outlet; the water jet air extractor is arranged above the outer part of the shell, and two interfaces of the water jet air extractor are respectively communicated with a sea water outlet of the water outlet cavity and a steam-gas mixture outlet of the condensing cavity; the bubbler is inserted into the condensing cavity and horizontally arranged in the middle area of the heat transfer tube bundle and the thermal well.
2. The ship hull co-injection condensing steam device according to claim 1, wherein said bubbler uses heated steam from a turbine to bubble the condensate in said condensing chamber for thermal deoxygenation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685828.5A CN113418404B (en) | 2021-06-21 | 2021-06-21 | Ship hull co-injection condensed steam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685828.5A CN113418404B (en) | 2021-06-21 | 2021-06-21 | Ship hull co-injection condensed steam device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113418404A CN113418404A (en) | 2021-09-21 |
| CN113418404B true CN113418404B (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110685828.5A Active CN113418404B (en) | 2021-06-21 | 2021-06-21 | Ship hull co-injection condensed steam device |
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| Country | Link |
|---|---|
| CN (1) | CN113418404B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114739198B (en) * | 2022-04-13 | 2023-07-25 | 中国船舶重工集团公司第七一九研究所 | Ocean platform condensing and deoxidizing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB249906A (en) * | 1924-12-03 | 1926-04-06 | Wheeler Condenser & Engineerin | Improvements in steam condensers |
| JP2001153569A (en) * | 1999-11-30 | 2001-06-08 | Toshiba Corp | Condenser |
| CN202624590U (en) * | 2012-06-06 | 2012-12-26 | 中国舰船研究设计中心 | Integrated command and control cabin for boats and ships |
| CN102976540A (en) * | 2012-09-24 | 2013-03-20 | 赵贵 | Tower type solar energy-wind energy seawater vaporization water production apparatus |
| CN203132384U (en) * | 2013-03-29 | 2013-08-14 | 西安协力动力科技有限公司 | Condenser with horizontal baffle plates in running mode of transforming single process into multiple processes |
| CN203531988U (en) * | 2013-08-29 | 2014-04-09 | 宁夏天纵泓光余热发电技术有限公司 | Waste heat power generating and hot water supplying system |
| CN106839799A (en) * | 2017-03-31 | 2017-06-13 | 武汉武泵泵业制造有限公司 | A kind of evacuation system for steam condenser integrating device and its vacuum maintain methods and applications |
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| CN108036656A (en) * | 2018-01-05 | 2018-05-15 | 马鞍山钢铁股份有限公司 | A kind of condensing plant for reducing condensation water dissolved oxygen |
| CN209279705U (en) * | 2018-11-23 | 2019-08-20 | 国家电投集团南阳热电有限公司 | A kind of condenser vacuum raising device for power plant |
| CN210286819U (en) * | 2019-07-15 | 2020-04-10 | 江苏源拓环境科技有限公司 | Built-in evaporation treatment device of condenser |
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-
2021
- 2021-06-21 CN CN202110685828.5A patent/CN113418404B/en active Active
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|---|---|---|---|---|
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| CN210286819U (en) * | 2019-07-15 | 2020-04-10 | 江苏源拓环境科技有限公司 | Built-in evaporation treatment device of condenser |
| CN212227823U (en) * | 2020-04-27 | 2020-12-25 | 哈尔滨工大金涛科技股份有限公司 | Horizontal straight-through type phase change heat exchange device |
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| Title |
|---|
| 中国动力工程学会.火力发电设备技术手册 第4卷 火电站系统与辅机 第9章 凝汽设备.北京：机械工业出版社,1998,第9-55至9-57页. * |
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| CN113418404A (en) | 2021-09-21 |
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