CN113418404A - Condensed steam device is penetrated to ship shell type altogether - Google Patents
Condensed steam device is penetrated to ship shell type altogether Download PDFInfo
- Publication number
- CN113418404A CN113418404A CN202110685828.5A CN202110685828A CN113418404A CN 113418404 A CN113418404 A CN 113418404A CN 202110685828 A CN202110685828 A CN 202110685828A CN 113418404 A CN113418404 A CN 113418404A
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- chamber
- shell
- heat transfer
- steam
- condensing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000013535 sea water Substances 0.000 claims abstract description 23
- 230000007704 transition Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000010793 Steam injection (oil industry) Methods 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims abstract description 5
- 230000005494 condensation Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- 238000006392 deoxygenation reaction Methods 0.000 claims description 2
- 238000013037 co-molding Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract description 4
- 230000005587 bubbling Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 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
- 239000000284 extract Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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-shell common-type condensed steam injection device, which comprises a shell, a hot well, a heat transfer pipe bundle, a pipe plate, a water injection air extractor and a bubbler, wherein the shell is provided with a plurality of heat transfer pipes; the interior of the shell is sequentially divided into a seawater chamber, a condensing chamber and a transition chamber by two tube plates, and the seawater chamber is divided into a water inlet chamber and a water outlet chamber; the heat transfer tube bundles are arranged in the steam condensation chamber in an array mode, two ends of a part of the heat transfer tube bundles are respectively communicated with the water inlet chamber and the transition chamber, and two ends of the other part of the heat transfer tube bundles are respectively communicated with the water outlet chamber and the transition chamber; the hot well is positioned below the shell and communicated with the condensing chamber; the water jet air ejector 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 between the heat transfer tube bundle and the hot 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, not only improves the space utilization rate of the cabin arranged in shipment, but also improves the thermal efficiency of the thermodynamic system.
Description
Technical Field
The invention relates to the technical field of design of a steam power system of a ship, in particular to a ship shell common-type condensation steam injection device.
Background
The condenser of the ship steam power system is used for cooling dead steam which is used by a steam turbine to do work and providing a vacuum environment for the outlet of the steam turbine, so that the operation heat efficiency of power devices such as a main steam turbine unit, a steam turbine generator unit and the like is guaranteed. The steam power condenser auxiliary system has strong coupling, multiple operation conditions and complex configuration equipment, the operation performance of the steam power condenser auxiliary system influences the stability of the whole steam power system, and the configuration equipment is an important factor for restricting cabin arrangement. The condenser cools the steam turbine exhaust into under-condensed water and is loaded by a hot well, the sea water pump provides a sea water cold source for cooling the exhaust steam for the condenser, and the air extractor extracts a steam-gas mixture in the condenser to establish a vacuum environment.
In the steam power system, the structural volume of the condenser is large, a large amount of space of a ship cabin is occupied, and the overall arrangement of equipment is not facilitated. The air extractor adopts steam as an injection air extraction power source, maintains the vacuum environment of the condenser, considers that the steam energy does not provide effective power, and indirectly wastes steam resources. Meanwhile, in order to control the content of oxygen components in condensed water, an atmospheric deaerator is arranged on a ship to perform thermal deaerating, the deaerator is large in size, occupies more cabin space on the arrangement of a real ship, and needs to be arranged in a high-level area in order to prevent a feed water pump from cavitation, so that the deaerator brings a great problem to the overall arrangement of a narrow cabin.
Therefore, in order to solve the problems of large volume structure, many auxiliary devices, poor adaptability, complex operation and the like of the steam power system condenser, a ship-shell common-type condensed steam injection device is urgently needed to be provided, so that the integrated integration of the structures and functions of the condenser, the ship structure, the air extractor, the deaerator and the like is realized, and the integrated capabilities of condensing exhaust steam, extracting air to build vacuum, removing oxygen by heating power, forming a ship body common type and the like are realized.
Disclosure of Invention
The invention aims to solve the technical problems of large volume structure, more auxiliary equipment, poor adaptability, complex operation and the like of a condenser in a narrow and severe marine environment in the prior art, and provides a ship shell common-type condensed steam injection device which can realize the integrated integration of equipment structures and functions of the condenser, a ship body structure, an air extractor, a deaerator and the like, has the comprehensive capabilities of condensing exhaust steam, extracting air and building vacuum, thermally deoxidizing, ship body common-type and the like, improves the cabin space utilization rate of ship loading arrangement, can also improve the thermal efficiency of a thermodynamic system, and is also a general design storage technology of a related ship power system.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a ship shell common-type condensed steam injection device comprises a shell, a hot well, a heat transfer pipe bundle, a pipe plate, a water injection air extractor and a bubbler; the interior of the shell is sequentially divided into a seawater chamber, a condensing chamber and a transition chamber through two tube plates, wherein the seawater chamber is divided into a water inlet chamber and a water outlet chamber through a partition plate; the heat transfer tube bundles are arranged in the steam condensation chamber in an array mode, two ends of each heat transfer tube bundle are fixedly arranged on the two tube plates respectively, wherein two ends of one part of the heat transfer tube bundles are communicated with the water inlet chamber and the transition chamber respectively, and two ends of the other part of the heat transfer tube bundles are communicated with the water outlet chamber and the transition chamber respectively; the hot well is positioned below the shell and is communicated with the condensing chamber; the water jet air ejector is arranged outside the shell, and two interfaces of the water jet air ejector are respectively communicated with the water outlet cavity and the condensing cavity; the bubbler is inserted into the interior of the condensing chamber and is arranged in the middle area between the heat transfer tube bundle and the hot well.
In the scheme, the shell is constructed by utilizing a double-deck structure of a ship body, and the hot well is formed by utilizing a short deck and a longitudinal wall to enclose and transform below a lower deck of the shell.
In the above scheme, the tube plates are vertically arranged inside the shell, and the heat transfer tube bundles are vertically distributed in an array.
In the above 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 shell at the upper part of the water outlet chamber is provided with a seawater outlet; 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 ejector is positioned above the shell.
In the scheme, the bubbler is horizontally arranged in the middle area between the heat transfer tube bundle and the heat well.
In the scheme, the bubbler adopts heating steam from a steam turbine to carry out bubbling thermal deoxidization on condensed water in the condensed steam chamber.
The invention has the beneficial effects that:
1. the shell and the hot well of the shell-and-tube condenser are constructed by utilizing a deck structure of a ship cabin, the high-efficiency heat transfer tube bundle is compactly arranged in a shell of the horizontal condenser in a tube array mode, the water jet air ejector is directly connected with an air extraction interface of the shell of the condenser, seawater cooled by the condenser is used as an air ejector injection power source, heating steam is adopted to carry out bubbling thermal deoxidization on the condensed water through the bubbler arranged in the hot well, and the shell-shaped shell-type heat pump has comprehensive integrated functions of common shell, jet cooling air extraction, bubbling deoxidization and the like, so that the energy consumption level and the power density level of a steam power system are comprehensively improved.
2. The invention can be used for the overall integrated design of a steam power system of a ship, solves the technical problems of large volume structure, more auxiliary equipment, poor adaptability, complex operation and the like of the condenser in a narrow and severe marine environment, realizes the integrated integration of the structures and functions of the condenser, the air pump, the deaerator, a hull structure and the like, improves the cabin space utilization rate of ship loading arrangement and the thermal efficiency of a thermodynamic system, also ensures that the operation and operation flow of the equipment is simple, and is more beneficial to the personnel reduction and efficiency improvement of a real ship and the modularized 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 structural view of a ship-hull co-type steam injection and condensation device of the invention.
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 separator.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the ship-hull common-type condensed steam injection device provided for the embodiment of the present invention includes a shell 2, a hot 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 cavity 22 in an array mode, two ends of each heat transfer tube bundle 4 are fixedly arranged on the two tube plates 5 respectively, wherein two ends of one part of the heat transfer tube bundles 4 are communicated with the water inlet cavity 211 and the transition cavity 23 respectively, and two ends of the other part of the heat transfer tube bundles 4 are communicated with the water outlet cavity 212 and the transition cavity 23 respectively. The hot well 3 is located the casing 2 below to communicate with the chamber 22 of condensing, hot well 3 constitutes condenser 1 with the chamber 22 of condensing jointly. The water jet air ejector 6 is arranged outside the shell 2, and two ports of the water jet air ejector 6 are respectively communicated with the water outlet cavity 212 and the condensing cavity 22. The bubbler 7 is inserted into the interior of the condensing chamber 22 and is arranged in the middle area between the heat transfer tube bundle 4 and the hot well 3.
Further optimization, in the embodiment, the shell 2 is constructed by using a 921 steel ship body double-layer bottom deck structure (a ship bottom plate and an inner bottom plate), and is in a horizontal square structure form; the hot well 3 is formed by surrounding and reconstructing a short deck and a longitudinal wall below a lower deck of the shell 2.
Further optimize, in this embodiment, tube sheet 5 is installed vertically inside casing 2, and heat transfer tube bundle 4 is vertical to be the array distribution. 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 plate 8 is horizontally installed in the middle of the seawater chamber 21, the lower portion of the partition plate 8 is the water inlet chamber 211, and the upper portion of the partition plate 8 is the water outlet chamber 212, wherein the shell 2 on the side of the water inlet chamber 211 is provided with a seawater inlet communicated with external seawater, and the shell 2 on the upper portion of the water outlet chamber 212 is provided with a seawater outlet for connecting the water jet air ejector 6.
Further preferably, in this embodiment, the shell 2 at the upper part of the condensing chamber 22 is provided with a dead steam inlet and a steam-gas mixture outlet. The water jet air ejector 6 is positioned above the shell 2, and two interfaces are respectively and directly welded with a seawater inlet of the water outlet cavity 212 and a steam-gas mixture outlet of the condensing cavity 22 in a butt welding mode.
Further preferably, in the present embodiment, the sparger 7 is horizontally disposed in the intermediate region between the heat transfer tube bundle 4 and the thermal well 3.
Further preferably, in this embodiment, the bubbler 7 uses the heating steam from the steam turbine to perform bubbling thermal deoxygenation on the condensed water in the condensing chamber 22.
Under the operating condition, the exhaust steam which is used by the main steam turbine to do work is discharged to the shell side of the condenser 1, the exhaust steam is cooled into condensed water by utilizing seawater circulating in the heat transfer pipe bundle 4, then bubbling thermal deoxidization is carried out on the condensed water by heating steam by using a bubbler 7, the condensed water after deoxidization is collected by a hot well 3, meanwhile, the cooled seawater is injected and extracted by a water jet air ejector 6 to extract a steam-gas mixture in the condenser 1, the vacuum environment of the condenser 1 is maintained, and the pumped gas-water mixture is subjected to pressure expansion and is discharged to the outside.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A ship shell common-type condensed steam injection device is characterized by comprising a shell, a hot well, a heat transfer pipe bundle, a pipe plate, a water injection air extractor and a bubbler; the interior of the shell is sequentially divided into a seawater chamber, a condensing chamber and a transition chamber through two tube plates, wherein the seawater chamber is divided into a water inlet chamber and a water outlet chamber through a partition plate; the heat transfer tube bundles are arranged in the steam condensation chamber in an array mode, two ends of each heat transfer tube bundle are fixedly arranged on the two tube plates respectively, wherein two ends of one part of the heat transfer tube bundles are communicated with the water inlet chamber and the transition chamber respectively, and two ends of the other part of the heat transfer tube bundles are communicated with the water outlet chamber and the transition chamber respectively; the hot well is positioned below the shell and is communicated with the condensing chamber; the water jet air ejector is arranged outside the shell, and two interfaces of the water jet air ejector are respectively communicated with the water outlet cavity and the condensing cavity; the bubbler is inserted into the interior of the condensing chamber and is arranged in the middle area between the heat transfer tube bundle and the hot well.
2. The ship hull co-molding steam condensate injection device according to claim 1, wherein the hull is constructed by using a ship hull double deck structure, and the heat well is formed by surrounding and reconstructing a short deck and a longitudinal wall below a lower deck of the hull.
3. The ship hull co-type steam condensing device according to claim 1, wherein the tube plate is vertically installed inside the shell, and the heat transfer tube bundles are vertically distributed in an array.
4. The hull co-type condensate vapor injection apparatus of claim 3, wherein the partition is horizontally installed in the middle of the seawater chamber, the lower part of the partition is the water inlet chamber, and the upper part of the partition is the water outlet chamber.
5. The ship hull co-type steam condensate injection device according to claim 4, wherein the shell at the upper part of the water outlet chamber is provided with a seawater outlet; 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 ejector is positioned above the shell.
6. The ship hull co-injection condensing steam device according to claim 3, characterized in that the bubbler is horizontally arranged in the middle area of the heat transfer tube bundle and the heat well.
7. The ship hull co-injection condensing steam device of claim 1, wherein said bubbler uses heated steam from a steam turbine to bubble thermal deoxygenation of condensed water in said condensing chamber.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN113418404A true CN113418404A (en) | 2021-09-21 |
| CN113418404B 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN113418404B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114739198A (en) * | 2022-04-13 | 2022-07-12 | 中国船舶重工集团公司第七一九研究所 | Ocean platform condenser and deaerating plant |
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2021
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| 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, pages: 9 - 55 * |
Cited By (1)
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|---|---|---|---|---|
| CN114739198A (en) * | 2022-04-13 | 2022-07-12 | 中国船舶重工集团公司第七一九研究所 | Ocean platform condenser and deaerating plant |
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| Publication number | Publication date |
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| CN113418404B (en) | 2023-11-24 |
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