CN202973056U - Supercharged boiler pressure-bearing casing structure for ship - Google Patents
Supercharged boiler pressure-bearing casing structure for ship Download PDFInfo
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- CN202973056U CN202973056U CN 201220702133 CN201220702133U CN202973056U CN 202973056 U CN202973056 U CN 202973056U CN 201220702133 CN201220702133 CN 201220702133 CN 201220702133 U CN201220702133 U CN 201220702133U CN 202973056 U CN202973056 U CN 202973056U
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Abstract
A supercharged boiler pressure-bearing casing structure for a ship is characterized in that a supercharged boiler adopts an O-shaped hearth, a single-side flue and double-boiler-barrel natural circulation, and a casing is of a double-layer cylindrical structure and divided into an inner casing and an outer casing. The inner casing is provided with a front wall, a back wall, a water cooled wall side wall, a flue side four-face wall, a top protective plate and a bottom protective plate which are formed by rolling shaped steel plates. The outer casing is provided with a front seal head, a back seal head, a water cooled wall side barrel body and a flue side barrel body. The inner casing and the outer casing are provided with a plurality of manholes and inspection holes, and seal covers are arranged on the manholes and the inspection holes. The supercharged boiler pressure-bearing casing structure is a double-layer casing structure, a compressor driven by boiler smoke is utilized to compress and supercharge air entered the compressor, the air is fed into an interlayer of the double-layer casing through an air channel, passes through a space between the double-layer casing and enters the boiler hearth through an air inlet to be mixed with fuel atomized by a fuel atomizer, and accordingly heavy fuel high-quality combustion is ensured. The double-layer structure is used for bearing pressure and is reliable and safe.
Description
Technical field
The utility model relates to a kind of Turbo-charged Marine Boiler housing, particularly relate to a kind of Turbo-charged Marine Boiler pressure-bearing shell structure, belong to the energy source and power industry, the structure by the double-layered pressure-bearing housing realizes the pressurized combustion of boiler for Turbo-charged Marine Boiler provides air with pressure.
Background technology
Supercharged steam generator refers to feed boiler furnace after air compressing that the gas-powered compressor of boiler smoke will enter compressor is pressurized to operating pressure, the burning of boiler is carried out under high positive pressure, burning is strengthened, furnace volume heat release rate increases substantially, greatly strengthened the heat transfer of burner hearth and convection heating surface, reduced steam steel quantity consumption per ton, thereby boiler volume and weight are reduced greatly, it is many that floor space is also little.
Compare Turbo-charged Marine Boiler with plain cylindrical furnace and have, combustion intensity is large, and boiler heat-transfer is good, and is lightweight, size is little, good reliability, the characteristics such as the boiler water capacity is little, and toggle speed is fast, and mobility is superior.These characteristics are frequent to start and stop, mobility, and the naval vessel that reliability requirement is higher is even more important.
From twentieth century thirties, each state is all making great efforts the research Turbo-charged Marine Boiler, to improve the economy of performance and whole device.Republic of France Navy just is used for naval's battleship to your type supercharged steam generator of the shura of their development as far back as twentieth century the forties.The U.S. began to develop the warship supercharged steam generator in 1956, be loaded on escort vessel, and amounted to 50 in 1963.At the end of the sixties, the former Soviet Union begins to develop heavy oil combustion warship supercharged steam generator.So far, approximately the warship of 300 heavy oil combustions has been built with supercharged steam generator and has been in service.Along with the accumulation of manufacturing and operating experience, designed and improved the supercharged steam generator of the heavy oil combustion of 10 Multiple Types.
China starts late to the research of Turbo-charged Marine Boiler, and the design of domestic shortage Turbo-charged Marine Boiler device, manufacturing, debugging and operation maintenance experience do not have standard, standard, criterion of supercharged steam generator design, manufacturing, operation maintenance and maintenance aspect etc. yet.
Warship has very large difference with supercharged steam generator and conventional warship with boiler, and domestic interior details to supercharged steam generator does not have careful deep understanding to grasp, and also there is no the supercharged steam generator structural system of a cover mature and reliable at present.
The utility model content
For a safe and reliable supercharged steam generator structure of cover is provided, the utility model provides a kind of Turbo-charged Marine Boiler pressure-bearing shell structure.
The technical solution adopted in the utility model is: a kind of Turbo-charged Marine Boiler pressure-bearing shell structure, it is characterized in that supercharged steam generator adopts O shape burner hearth, and one-sided flue, two drum Natural Circulation, housing is the two-double cylinder structure, is divided into inner casing and shell;
Described inner casing is provided with front wall, Hou Qiang, water-cooling wall side wall, flue side wall four sides wall and top backplate, end backplate, make by the roll forming steel plate, be welded and fixed between front wall, Hou Qiang, water-cooling wall side wall, flue side wall, be connected with bolt between top backplate, end backplate and front wall, rear wall, four sides wall top is by bolt or be welded to connect upper drum, steam superheater header, and the four sides wall bottom is by being welded to connect lower drum; Be provided with furnace cavity and flue in inner casing, flue is connected with the exhanst gas outlet smoke box, and burner hearth is connected with fuel inlet and air inlet;
Described shell is provided with front head, rear head, water-cooling wall side neck body, the flue side neck body of being made by rolled plate, and its top is welded and fixed on the clip of upper drum, and the bottom is fixed on supporting base, is connected with the air intlet bellows on shell;
Described inner casing and shell are provided with some manholes and inspection opening, and manhole and inspection opening place are equipped with a circle reinforcement, establish seal cover on manhole and inspection opening; Shell is provided with the sight fire device with inner casing UNICOM.
Described air intlet bellows are connected with the gas-powered compressor of boiler smoke; Fuel inlet is connected with the fuel injector atomizer; Air inlet is connected with air register; Seal cover is arranged on its corresponding manhole or inspection opening is inner, and seal cover is externally connected with clamp by screw bolt and nut at manhole or inspection opening; The seal cover that is arranged on shell is tightly connected by non-asbestos packing sheet; The seal cover that is arranged on inner casing is tightly connected by two-layer alumina silicate fibre cloth, and 2.5mm is thick for alumina silicate fibre cloth.
Described lower drum and shell junction, superheater header and shell junction, see fiery device and shell junction expansion joint with bellows all is installed.
The utility model boiler is double-layer shell structure, utilize the gas-powered compressor of boiler smoke will enter the air compressing supercharging of compressor, and feed the interlayer of boiler double Shell along air duct, air is through the space between double Shell, by air inlet enter boiler furnace and with the fuel mix that atomizes by fuel injector, thereby guarantee the high-quality burning of heavy oil; It is more reliable and secure that double-decker all has pressure-bearing to use.
Description of drawings
Fig. 1 is the positive TV structure perspective diagram of the utility model embodiment;
Fig. 2 is the utility model embodiment side-looking structural representation;
Fig. 3 is the utility model embodiment front head structural representation;
Fig. 4 is the utility model embodiment rear head structural representation;
Fig. 5 is the utility model embodiment seal cover overall structure schematic diagram;
Fig. 6 is the utility model embodiment seal cover generalized section;
Fig. 7 is the utility model embodiment steam superheater expansion joint schematic diagram;
Fig. 8 is the utility model embodiment header expansion joint schematic diagram;
Number in the figure title: 1 front wall; 2 rear walls; 3 water-cooling wall side walls; 4 flue side walls; 5 top backplates; 6 end backplates; 7 exhanst gas outlet smoke boxes; 8 front heads; 9 rear heads; 10 water-cooling wall side neck bodies; 11 flue side neck bodies; 12 air intlet bellows; 13 manholes; 14 inspection openings; 15 seal covers; 16 see fiery device; 17 clamps; 18 superheater expansion joints; 19 header expansion joints; 20 expansion joint protective sleeves.
The specific embodiment
the utility model embodiment is as shown in Fig. 1 to 8, and the supercharged steam generator of this Turbo-charged Marine Boiler pressure-bearing shell structure adopts O shape burner hearth, one-sided flue, and two drum Natural Circulation, housing is the two-double cylinder structure, is divided into inner casing and shell, inner casing is provided with front wall 1, rear wall 2, water-cooling wall side wall 3, flue side wall 4 four sides walls and top backplate 5, end backplate 6, make by the roll forming steel plate, be welded and fixed between front wall 1, rear wall 2, water-cooling wall side wall 3, flue side wall 4, be connected with bolt between top backplate 5, end backplate 6 and front wall 1, rear wall 2, four sides wall top is by bolt or be welded to connect upper drum, steam superheater header, and the four sides wall bottom is by being welded to connect lower drum, be provided with furnace cavity and flue in inner casing, flue is connected with exhanst gas outlet smoke box 7, burner hearth is connected with fuel inlet and air inlet, fuel inlet is connected with the fuel injector atomizer and sprays into fuel, the fuel injector atomizer is connected with high-pressure oil pipe, oil pipe passes shell and is connected with body seal by telescopic joint, and air inlet is connected with air register and is used for regulating air quantity, shell is provided with front head 8, rear head 9, water-cooling wall side neck body 10, the flue side neck body 11 of being made by rolled plate, and its top is welded and fixed on the clip of upper drum, and the bottom is fixed on supporting base, is connected with air intlet bellows 12 on shell, air intlet bellows 12 are connected with the gas-powered compressor of boiler smoke, the air compressing that compressor will enter compressor is pressurized to 0.2 ~ 0.4MPa, and feed the interlayer of boiler double Shell along air duct, air is through the space between double Shell, by air inlet enter boiler furnace and with the fuel mix that atomizes by fuel injector, thereby guarantee the high-quality burning of heavy oil, be equipped with some manholes 13 and inspection opening 14 on inner casing and shell, be used for entering boiler inner and outer shell interlayer, burner hearth or flue are installed, check, safeguard, repair, also be provided with manhole on air intlet bellows 12, be used for entering smoke eliminator, manhole 13 and inspection opening 14 places are equipped with a circle reinforcement, also be provided with the chamfering reinforcement of radiation profiles around cyclic reinforcing rib, establish seal cover 15 on manhole 13 and inspection opening 14, seal cover 15 is arranged on its corresponding manhole 13 or inspection opening 14 inside, seal cover 15 is externally connected with clamp 17 by screw bolt and nut at manhole 13 or inspection opening 14, clamp and manhole 13 or inspection opening 14 outsides are by the fastening crimping of screw bolt and nut, the seal cover 15 that is arranged on shell is tightly connected by non-asbestos packing sheet, the seal cover 15 that is arranged on inner casing is tightly connected by two-layer alumina silicate fibre cloth, 2.5mm is thick for alumina silicate fibre cloth, seal cover 15 and manhole 13, inspection opening 14 can be made as ellipse, after loose nut, rotation can be from manhole 13, the interior taking-up of inspection opening 14, shell is provided with the sight fire device 16 with inner casing UNICOM, respectively is equipped with two on front head and rear head and sees fiery devices, inboardly utilizes bolt to be connected tapping with the boiler inner casing by flange to connect, lower drum and shell junction, superheater header and shell junction, see fiery device 16 and shell junction expansion joint with bellows all is installed, as superheater expansion joint 18, header expansion joint 19 in figure, expansion joint can be alleviated the stress that produces that expands with heat and contract with cold between inside and outside shell and improve the housing safety coefficient, expansion joint is provided with bellows outward and is made by stainless steel, peripheral hardware expansion joint protective sleeve 20, be used for preventing the damage of bellows machinery, guarantee air-tightness, carriage is installed on inner casing is used for safeguarding.It is more reliable and secure that the utility model double-decker all has pressure-bearing to use, and the little combustion intensity of volume is large, can significantly raise the efficiency.
Claims (3)
1. a Turbo-charged Marine Boiler pressure-bearing shell structure, is characterized in that supercharged steam generator adopts O shape burner hearth, one-sided flue, and two drum Natural Circulation, housing is the two-double cylinder structure, is divided into inner casing and shell;
Described inner casing is provided with front wall (1), rear wall (2), water-cooling wall side wall (3), flue side wall (4) four sides wall and top backplate (5), end backplate (6), make by the roll forming steel plate, front wall (1), rear wall (2), water-cooling wall side wall (3), flue side wall are welded and fixed between (4), top backplate (5), end backplate (6) are connected with bolt between (2) with front wall (1), rear wall, four sides wall top is by bolt or be welded to connect upper drum, steam superheater header, and the four sides wall bottom is by being welded to connect lower drum; Be provided with furnace cavity and flue in inner casing, flue is connected with exhanst gas outlet smoke box (7), and burner hearth is connected with fuel inlet and air inlet;
Described shell is provided with front head (8), rear head (9), water-cooling wall side neck body (10), the flue side neck body (11) of being made by rolled plate, its top is welded and fixed on the clip of upper drum, the bottom is fixed on supporting base, is connected with air intlet bellows (12) on shell;
Described inner casing and shell are provided with some manholes (13) and inspection opening (14), and manhole (13) and inspection opening (14) locate to be equipped with a circle reinforcement, establish seal cover (15) on manhole (13) and inspection opening (14); Shell is provided with the sight fire device (16) with inner casing UNICOM.
2. Turbo-charged Marine Boiler pressure-bearing shell structure according to claim 1, is characterized in that described air intlet bellows (12) are connected with the gas-powered compressor of boiler smoke; Fuel inlet is connected with the fuel injector atomizer; Air inlet is connected with air register; Seal cover (15) is arranged on its corresponding manhole (13) or inspection opening (14) inside, and seal cover (15) is externally connected with clamp (17) by screw bolt and nut at manhole (13) or inspection opening (14); The seal cover (15) that is arranged on shell is tightly connected by non-asbestos packing sheet; The seal cover (15) that is arranged on inner casing is tightly connected by two-layer alumina silicate fibre cloth, and 2.5mm is thick for alumina silicate fibre cloth.
3. Turbo-charged Marine Boiler pressure-bearing shell structure according to claim 1 is characterized in that described lower drum and shell junction, superheater header and shell junction, sees fiery device (16) and shell junction expansion joint with bellows all is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702133 CN202973056U (en) | 2012-12-19 | 2012-12-19 | Supercharged boiler pressure-bearing casing structure for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220702133 CN202973056U (en) | 2012-12-19 | 2012-12-19 | Supercharged boiler pressure-bearing casing structure for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973056U true CN202973056U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220702133 Withdrawn - After Issue CN202973056U (en) | 2012-12-19 | 2012-12-19 | Supercharged boiler pressure-bearing casing structure for ship |
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| CN (1) | CN202973056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966940A (en) * | 2012-12-19 | 2013-03-13 | 中国船舶重工集团公司第七�三研究所 | Pressure-bearing shell structure of marine supercharged boiler |
| CN105864741A (en) * | 2016-06-06 | 2016-08-17 | 中国船舶重工集团公司第七�三研究所 | Expansion buffer system applicable to supercharged marine boiler |
-
2012
- 2012-12-19 CN CN 201220702133 patent/CN202973056U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966940A (en) * | 2012-12-19 | 2013-03-13 | 中国船舶重工集团公司第七�三研究所 | Pressure-bearing shell structure of marine supercharged boiler |
| CN102966940B (en) * | 2012-12-19 | 2014-05-21 | 中国船舶重工集团公司第七�三研究所 | Pressure-bearing shell structure of marine supercharged boiler |
| CN105864741A (en) * | 2016-06-06 | 2016-08-17 | 中国船舶重工集团公司第七�三研究所 | Expansion buffer system applicable to supercharged marine boiler |
| CN105864741B (en) * | 2016-06-06 | 2018-08-17 | 中国船舶重工集团公司第七�三研究所 | Expansion buffer system suitable for Turbo-charged Marine Boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20140521 |
|
| RGAV | Abandon patent right to avoid regrant |