CN105889892A - Reinforcing structure for special-shaped large open hole of marine supercharged boiler - Google Patents
Reinforcing structure for special-shaped large open hole of marine supercharged boiler Download PDFInfo
- Publication number
- CN105889892A CN105889892A CN201610385149.5A CN201610385149A CN105889892A CN 105889892 A CN105889892 A CN 105889892A CN 201610385149 A CN201610385149 A CN 201610385149A CN 105889892 A CN105889892 A CN 105889892A
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- China
- Prior art keywords
- open hole
- reinforcing plate
- reinforcing
- axis direction
- special
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Abstract
The invention provides a reinforcing structure for a special-shaped large hole of a marine supercharged boiler. A reinforcing ring is welded to the special-shaped open hole in a pressure bearing shell of the supercharged boiler. A front reinforcing plate, a left reinforcing plate, a right reinforcing plate and a rear reinforcing plate are arranged on the periphery of the reinforcing ring to be welded to the reinforcing ring and the pressure bearing shell of the supercharged boiler. The thickness of the left reinforcing plate and the right reinforcing plate located in the long-axis direction of the special-shaped open hole is larger than that of the front reinforcing plate and the rear reinforcing plate located in the short-axis direction of the special-shaped open hole. Strength and impact analysis is made for the problem of strength weakening caused by the large open hole of the outer shell of the supercharged boiler; and taken reinforcing measures include that the reinforcing ring is used for reinforcing the position of the open hole, and the weak links of a cylinder are subjected to wall thickness increasing reinforcing, integral strength weakening parts are not the same due to the characteristic that the open hole is similar to an oval, staged reinforcing design is adopted, the long-axis direction of the open hole is the weak point of an open hole structure, and balance of the integral strength is ensured in the manner that the left reinforcing plate and the right reinforcing plate in the long-axis direction of the open hole are thicker than the front reinforcing plate and the rear reinforcing plate in the short-axis direction of the open hole.
Description
Technical field:
The present invention relates to Turbo-charged Marine Boiler field, be specifically related to a kind of Turbo-charged Marine Boiler abnormity reinforcement of large openings structure.
Background technology:
Supercharged steam generator refers to that the gas-powered compressor of boiler smoke feeds boiler furnace after the air compression entering compressor is pressurized to operating pressure, the burning making boiler is carried out under high positive pressure, burning is strengthened, furnace volume heat release rate increases substantially, significantly enhance the heat transfer of burner hearth and convection heating surface, decrease steam steel quantity consumption per ton, so that boiler volume and weight are greatly reduced, many that floor space is the least；
Turbo-charged Marine Boiler has compared with plain cylindrical furnace, and combustion intensity is big, and boiler heat-transfer is good, lightweight, size is little, good reliability, and boiler water capacity is little, and toggle speed is fast, the features such as mobility is superior.These features are frequent to start and stop, mobility, and the naval vessel that reliability requirement is higher is even more important；
The research of Turbo-charged Marine Boiler is started late by China, and domestic shortage Turbo-charged Marine Boiler device designs, manufactures, debugs and operation maintenance experience, does not also have the standard in terms of supercharged steam generator design, manufacture, operation maintenance and maintenance, specification, criterion etc.；
This Turbo-charged Marine Boiler shell body is columnar structured; bear the pressure loading of pressurized air; the exhanst gas outlet of supercharged steam generator, air inlet passageway all need to be in communication with the outside through shell body; for protection supercharging unit smoke gas turbine, in addition it is also necessary to arrange dust removing device for flue gas of boiler on boiler flue gas outlet passage；
Owing to the design requirement of Turbo-charged Marine Boiler is to reduce volume, reduction weight.Controlling well on the premise of shell body volume and weight as designing boiler flue gas outlet and air inlet passageway, needs carry out large opening design on boiler jacket body.
Summary of the invention:
In order to solve the problems referred to above, it is contemplated that propose a kind of Turbo-charged Marine Boiler abnormity reinforcement of large openings structure.
The technical scheme is that a kind of Turbo-charged Marine Boiler abnormity reinforcement of large openings structure, including stiffening ring, stiffening ring provides exhanst gas outlet with supercharged steam generator, the pressure-bearing shell abnormity perforate of air inlet passageway welds together, supercharged steam generator provides exhanst gas outlet, the pressure-bearing shell abnormity hole shape sub-elliptical of air inlet passageway, stiffening ring surrounding is respectively equipped with front stiffening plate, left stiffening plate, right stiffening plate and rear stiffening plate weld with stiffening ring and supercharged steam generator pressure-bearing shell, wherein, it is positioned at the thickness of left and right stiffening plate of abnormity perforate long axis direction more than being positioned at the thickness of stiffening plate before and after abnormity perforate short-axis direction.
There is advantages that the strength reduction problem caused for supercharged steam generator shell body large opening, intensity and impact analysis are carried out, the reinforcement measure taked is, tapping panel reinforcement, the weak link of cylinder carries out wall thickness and thickeies reinforcement, for the similar oval feature of perforate, bulk strength weakens position and is not quite similar, take the design of reinforcement stage by stage, the weak spot that long axis direction is open-celled structure in perforate, the left and right stiffening plate of perforate long axis direction than before and after perforate short-axis direction stiffening plate thicken mode with ensure bulk strength equilibrium.
Accompanying drawing illustrates:
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the upward view of accompanying drawing 1.
Stiffening plate before 1-in figure, the left stiffening plate of 2-, the right stiffening plate of 3-, stiffening plate after 4-, 5-stiffening ring.
Detailed description of the invention:
The invention will be further described below in conjunction with the accompanying drawings:
Combined shown in Fig. 2 by Fig. 1, a kind of Turbo-charged Marine Boiler abnormity reinforcement of large openings structure, including stiffening ring 5, stiffening ring 5 provides exhanst gas outlet with supercharged steam generator, the pressure-bearing shell abnormity perforate of air inlet passageway welds together, supercharged steam generator provides exhanst gas outlet, the pressure-bearing shell abnormity hole shape sub-elliptical of air inlet passageway, stiffening ring 5 surrounding is respectively equipped with front stiffening plate 1, left stiffening plate 2, right stiffening plate 3 and rear stiffening plate 4 weld with stiffening ring 5 and supercharged steam generator pressure-bearing shell, wherein, it is positioned at the left and right stiffening plate 2 of abnormity perforate long axis direction, the thickness of 3 more than be positioned at abnormity perforate short-axis direction before and after stiffening plate 1, the thickness of 4.
The present invention is according to the design requirement of a kind of Turbo-charged Marine Boiler, carry out a kind of abnormity reinforcement of large openings structure design, this kind of special-shaped reinforcement of large openings structure can provide exhanst gas outlet, air inlet passageway for supercharged steam generator in less space, meet dust-removing device for boiler case installing space demand, meet pressurized air bearing strength demand by special Strengthening Design, the compression shock that boiler pressurized air causes due to load change can be born simultaneously.
Shell body abnormity perforate take into account the needs of supercharged steam generator dust arrester case installing space, dust arrester case can stretch out in perforate, the design principle of this abnormity perforate is that dust arrester shell and boiler smoke channel size are prolonged horizontal plane direction projection to cylindrical housing body, consider certain spatial margin and bearing strength according to projection profile, projection of shape is optimized.
The strength reduction problem caused for supercharged steam generator shell body large opening, intensity and impact analysis are carried out, the reinforcement measure taked is, tapping panel reinforcement, the weak link of cylinder carries out wall thickness and thickeies reinforcement, for the similar oval feature of perforate, bulk strength weakens position and is not quite similar, take the design of reinforcement stage by stage, in the weak spot that long axis direction is open-celled structure of perforate, the mode that the left and right stiffening plate 2,3 of perforate long axis direction thickeies than stiffening plate before and after perforate short-axis direction 1,4 is to ensure the equilibrium of bulk strength.
Claims (1)
1. a Turbo-charged Marine Boiler abnormity reinforcement of large openings structure, including stiffening ring (5), it is characterized in that: stiffening ring (5) provides exhanst gas outlet with supercharged steam generator, the pressure-bearing shell abnormity perforate of air inlet passageway welds together, supercharged steam generator provides exhanst gas outlet, the pressure-bearing shell abnormity hole shape sub-elliptical of air inlet passageway, stiffening ring (5) surrounding is respectively equipped with front stiffening plate (1), left stiffening plate (2), right stiffening plate (3) and rear stiffening plate (4) weld with stiffening ring (5) and supercharged steam generator pressure-bearing shell, wherein, it is positioned at the left and right stiffening plate (2 of abnormity perforate long axis direction, 3) thickness more than be positioned at abnormity perforate short-axis direction before and after stiffening plate (1, 4) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385149.5A CN105889892A (en) | 2016-06-03 | 2016-06-03 | Reinforcing structure for special-shaped large open hole of marine supercharged boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610385149.5A CN105889892A (en) | 2016-06-03 | 2016-06-03 | Reinforcing structure for special-shaped large open hole of marine supercharged boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105889892A true CN105889892A (en) | 2016-08-24 |
Family
ID=56710044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610385149.5A Pending CN105889892A (en) | 2016-06-03 | 2016-06-03 | Reinforcing structure for special-shaped large open hole of marine supercharged boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105889892A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260520A (en) * | 2010-05-31 | 2011-11-30 | 华东理工大学 | Novel down tube tank for quick-cooling waste heat boiler and design method of lining corundum thereof |
| CN103128420A (en) * | 2013-02-27 | 2013-06-05 | 陕西化建工程有限责任公司 | Construction technology of embedded reinforcing structure for large-orifice pipe of container |
| US8545157B2 (en) * | 2011-06-10 | 2013-10-01 | Ford Global Technologies, Llc | Metal members and assemblies that have reinforced punched holes and method of forming the holes |
| CN203893194U (en) * | 2014-01-21 | 2014-10-22 | 无锡高尔环保科技有限公司 | Flue gas outlet pipe |
| CN205664345U (en) * | 2016-06-03 | 2016-10-26 | 中国船舶重工集团公司第七�三研究所 | Turbo -charged marine boile dysmorphism large opening reinforcement structure |
-
2016
- 2016-06-03 CN CN201610385149.5A patent/CN105889892A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102260520A (en) * | 2010-05-31 | 2011-11-30 | 华东理工大学 | Novel down tube tank for quick-cooling waste heat boiler and design method of lining corundum thereof |
| US8545157B2 (en) * | 2011-06-10 | 2013-10-01 | Ford Global Technologies, Llc | Metal members and assemblies that have reinforced punched holes and method of forming the holes |
| CN103128420A (en) * | 2013-02-27 | 2013-06-05 | 陕西化建工程有限责任公司 | Construction technology of embedded reinforcing structure for large-orifice pipe of container |
| CN203893194U (en) * | 2014-01-21 | 2014-10-22 | 无锡高尔环保科技有限公司 | Flue gas outlet pipe |
| CN205664345U (en) * | 2016-06-03 | 2016-10-26 | 中国船舶重工集团公司第七�三研究所 | Turbo -charged marine boile dysmorphism large opening reinforcement structure |
Non-Patent Citations (1)
| Title |
|---|
| 苏文献等: "《薄壁容器大开孔的新型补强结构》", 《压力容器》 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |