CN103542396A - Boiler for vessel - Google Patents
Boiler for vessel Download PDFInfo
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- CN103542396A CN103542396A CN201310278519.1A CN201310278519A CN103542396A CN 103542396 A CN103542396 A CN 103542396A CN 201310278519 A CN201310278519 A CN 201310278519A CN 103542396 A CN103542396 A CN 103542396A
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- Prior art keywords
- boiler
- exhaust
- heat extraction
- subsidiary engine
- extraction recovery
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B7/00—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
- F22B7/04—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body with auxiliary water tubes
- F22B7/08—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body with auxiliary water tubes inside the furnace tube in longitudinal arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Exhaust Silencers (AREA)
- Supercharger (AREA)
Abstract
The marine boiler planning the reduction of the fuel consumption of the combustion boiler and exhibits the excellent effect in the energy saving may be obtained. The combustible waste gas of the combustion device (2) the flowing first linkage (3) the main device exhaust heat recovery boiler (6) having the built-in flowing second linkage (5) the combustion boiler (4), had and main device exhaust gas was assembled within the first water tank (1). It connected so that the boiler water of the complex boiler (9) and the assistant device exhaust heat recovery boiler (10) collecting moreover, the heat of the exhaust gas of the assistant device communicate as to the complex boiler (9) setting up outlet ports (7, 8) of the exhaust gas of the combustion boiler (4) and main device exhaust heat recovery boiler (6) in the discrete. It was the generated vapor supplied from the assistant device exhaust heat recovery boiler (10) through the water tank (1) of the complex boiler (9) to the use of the steam instrument. The exhaust heat of the assistant device was tellingly used. The fuel consumption at the combustion boiler (4) was cut down.
Description
Technical field
The present invention relates to a kind of boats and ships boiler.
Background technology
At present, as this boiler, exist a kind of using exhaust portion evaporate nest of tubes and the group of evaporation tube portion of fuel oil portion transversely arranged and as making main exhaust and burning the smoke pipe that burning and gas-exhausting that oil obtains passes through in pipe, and using smoke pipe outside as hydroecium, the fume tube type composite boiler of the small compact forming (for example,, with reference to patent documentation 1).
The composite boiler of recording in patent documentation 1, boiler is added to the donkey boiler that possesses burner, it is that the heat extraction that has of the exhaust of engine of boat and ship is as thermal source that this boiler utilizes main frame, in the minimizing of the load due to engine or while stopping causing exhaust gas heat not enough, burner by donkey boiler heats (reheating) again, the calorific requirement to obtain.
Patent documentation
Patent documentation 1: Japanese kokai publication hei 9-329301 communique
Summary of the invention
As mentioned above, it is that the heat extraction that has of the exhaust of engine of boat and ship is as main thermal source that the composite boiler of recording in patent documentation 1 utilizes main frame, but in recent years, because making the improvement of engine of boat and ship, environmental problem constantly advances, engine efficiency improves, thereby cause the temperature of the exhaust of engine of boat and ship discharge to reduce, so in order to ensure recuperation of heat amount as before, can produce the increase that space is set that the maximization because of boiler causes or the problems such as combustion load increase of burning boiler side.
The present inventor etc. study in order to address the above problem repeatedly, and its result is conceived to the heat of the exhaust that the equipment (hereinafter referred to as subsidiary engine) beyond sustainers such as generator that boats and ships possess discharges and has completed the present invention.
The object of the present invention is to provide a kind of boats and ships boiler, to realize the reduction of the Fuel Consumption of burning boiler, and bring into play excellent effect aspect energy-conservation.
In order to reach above-mentioned purpose, the boats and ships boiler of the first form of the present invention, it for combining the burning boiler that the smoke pipe of the burning and gas-exhausting circulation that makes burner is installed in hydroecium with the main frame heat extraction recovery boiler that the smoke pipe that makes main exhaust circulation is installed, and the composite boiler of flow export of the exhaust of above-mentioned burning boiler and above-mentioned main frame heat extraction recovery boiler is set respectively, it is characterized in that: further will be connected with the mode that above-mentioned composite boiler is communicated with stove water for reclaiming the subsidiary engine heat extraction recovery boiler of the heat of auxiliary exhaust, make steam that above-mentioned subsidiary engine heat extraction recovery boiler produces be supplied to steam to use equipment via the above-mentioned hydroecium of above-mentioned composite boiler.
According to the first form of the present invention, owing to can being connected for reclaiming the mode that above-mentioned subsidiary engine heat extraction recovery boiler and the above-mentioned composite boiler of heat of the exhaust of above-mentioned subsidiary engine be communicated with stove water, make steam that above-mentioned subsidiary engine heat extraction recovery boiler produces be supplied to steam to use equipment via the above-mentioned hydroecium of above-mentioned composite boiler, the heat extraction of the subsidiary engine of discharging so do not reclaim before can effectively utilizing, thus the Fuel Consumption in above-mentioned burning boiler cut down.
In addition, due to above-mentioned subsidiary engine heat extraction recovery boiler is connected with the mode that above-mentioned composite boiler is communicated with stove water, so being carried out to recuperation of heat, any subsidiary engine can produce at any time steam, and can at the above-mentioned hydroecium of above-mentioned composite boiler, store the saturation water of the saturation temperature suitable with setting pressure, so can tackle the requirement of load, carry out at once steam supply.
In addition,, if will be connected with composite boiler for the exhaust of each subsidiary engine being carried out to many subsidiary engine heat extraction recovery boilers of recuperation of heat, can effectively reclaim the heat of the exhaust of discharging from many subsidiary engines.
Further, due to for reclaiming that the subsidiary engine heat extraction recovery boiler of heat of the exhaust of subsidiary engine is only communicated with the stove water of above-mentioned composite boiler and the mutual common structure without other, and exhaust flow ipe and exhaust discharge line are structure independently, thereby can meet the desired ship's classification of boats and ships specification.
The boats and ships of the second form of the present invention are characterised in that with boiler: above-mentioned subsidiary engine heat extraction recovery boiler forms at its water indoor location smoke pipe, and the above-mentioned hydroecium of this hydroecium and above-mentioned composite boiler is linked by connecting piece.
According to the second form of the present invention, in above-mentioned subsidiary engine heat extraction recovery boiler, heat exchange is carried out in the exhaust of the subsidiary engine passing through in the smoke pipe of the water in hydroecium and water indoor location, the stove water of heated gas-liquid mixed flows and gas-liquid separation to the above-mentioned hydroecium of above-mentioned composite boiler, and the steam of gaseous state is supplied to steam to use equipment.
The boats and ships of the third form of the present invention are characterised in that with boiler: above-mentioned subsidiary engine heat extraction recovery boiler is to link upper chamber part and lower chamber part by water pipe, and auxiliary exhaust is formed in the mobile mode in the outside of above-mentioned water pipe, the above-mentioned hydroecium of above-mentioned upper chamber part and above-mentioned lower chamber part and above-mentioned composite boiler is linked by connecting piece respectively.
According to the third form of the present invention, water in above-mentioned water pipe carries out heat exchange with the auxiliary exhaust mobile in the outside of above-mentioned water pipe, the stove water of heated gas-liquid mixed flows and gas-liquid separation to the above-mentioned hydroecium of above-mentioned composite boiler, and the steam of gaseous state is supplied to steam to use equipment.The boats and ships boiler of the 4th kind of form of the present invention, it for combining the burning boiler that the smoke pipe of the burning and gas-exhausting circulation that makes burner is installed in hydroecium with the main frame heat extraction recovery boiler that the smoke pipe that makes main exhaust circulation is installed, and the composite boiler of flow export of the exhaust of above-mentioned burning boiler and above-mentioned main frame heat extraction recovery boiler is set respectively, it is characterized in that: the subsidiary engine heat extraction recovery boiler that the smoke pipe that makes auxiliary exhaust circulation is installed is also further set in above-mentioned hydroecium, and the flow export of exhaust of above-mentioned subsidiary engine heat extraction recovery boiler and the flow export of the exhaust of above-mentioned burning boiler and above-mentioned main frame heat extraction recovery boiler are set respectively.
According to the 4th kind of form of the present invention, the subsidiary engine heat extraction recovery boiler that the smoke pipe that makes auxiliary exhaust circulation is installed is also further set in above-mentioned hydroecium, the heat extraction of the subsidiary engine that does not reclaim before therefore can effectively utilizing and discharge, thus the Fuel Consumption in above-mentioned burning boiler cut down.
In addition, the auxiliary exhaust circulating in water in above-mentioned hydroecium and smoke pipe carries out heat exchange and is heated, therefore any subsidiary engine is carried out to recuperation of heat can produce steam at any time, and can in above-mentioned hydroecium, store the saturation water of the saturation temperature suitable with setting pressure, so can tackle the requirement of load, carry out at once steam supply.
In addition, owing to can being provided as in the inside of composite boiler the subsidiary engine heat extraction recovery section of above-mentioned subsidiary engine heat extraction recovery boiler, so can make boiler overall compact, form.
Further, due to the flow export of the exhaust of the flow export of the exhaust of above-mentioned subsidiary engine heat extraction recovery boiler and above-mentioned burning boiler and above-mentioned main frame heat extraction recovery boiler is arranged respectively, so can meet the desired ship's classification of boats and ships specification.
The boats and ships of the 5th kind of form of the present invention are characterised in that with boiler: the boats and ships of recording in above-mentioned any invention form are with in boiler, for above-mentioned subsidiary engine heat extraction recovery boiler, in the inflow entrance of auxiliary exhaust or any one party of flow export or both sides, be provided with noise reduction unit.
According to the 5th kind of form of the present invention, because the inflow entrance at auxiliary exhaust or flow export have noise reduction unit, so can reduce the sound being produced by subsidiary engine, the environment of the area peripheral edge that makes to berth keeps good.
According to the present invention, due to the composite boiler having adopted burning boiler and main frame heat extraction recovery boiler are combined, combined for reclaiming the structure of subsidiary engine heat extraction recovery boiler of heat of the exhaust of subsidiary engine, so can effectively utilize the heat extraction that subsidiary engine is discharged, cut down the Fuel Consumption of burning boiler.Particularly, even in the situation that the medium main frame that berths stops, by subsidiary engine is carried out to recuperation of heat, also can supply at any time steam, and as the stove water in boiler, can store the saturation water of the saturation temperature suitable with setting pressure, so can tackle the requirement of load, carry out at once steam supply, and can realize the reduction of the Fuel Consumption of burning boiler side, reduce costs.
Accompanying drawing explanation
Fig. 1 means the overall structure key diagram of the 1st example of the embodiment of boiler for the boats and ships that the present invention relates to.
Fig. 2 means the overall structure key diagram of the 2nd example of the embodiment of boiler for the boats and ships that the present invention relates to.
Fig. 3 means the overall structure key diagram of the 3rd example of the embodiment of boiler for the boats and ships that the present invention relates to.
Fig. 4 omits cross-sectional illustration figure along the part of the A-A line of Fig. 3.
Fig. 5 means the overall structure key diagram of the 4th example of the embodiment of boiler for the boats and ships that the present invention relates to.
Fig. 6 omits cross-sectional illustration figure along the part of the B-B line of Fig. 5.
Fig. 7 is that key diagram is overlooked in the part omission of Fig. 5.
[explanation of symbol]
1 hydroecium
2 burners
3 smoke pipes
4 burning boilers
5 smoke pipes
6 main frame heat extraction recovery boilers
7 burning and gas-exhausting flow exports
8 main exhaust flow exports
9 composite boilers
10 subsidiary engine heat extraction recovery boilers
11 plates
12 upper tube sheet
13 lower tube sheet
14 main exhausts flow into chamber
15 main exhaust inflow entrances
17 demarcation strips
18 burning and gas-exhausting delivery chamber
19 main exhaust delivery chamber
20 plates
21 upper tube sheet
22 lower tube sheet
23 hydroeciums
24,24a, 24b auxiliary exhaust inflow entrance
25,25a, 25b auxiliary exhaust flow export
26,26a, 26b smoke pipe
27,27a, 27b top connecting piece
28 bottom connecting pieces
30 noise reduction unit
31 top headers
32 bottom headers
33 water pipes
34 furnace body covers
36 demarcation strips
37,37a, 37b auxiliary exhaust flow into chamber
39,40 demarcation strips
41,41a ,41b auxiliary exhaust delivery chamber
42,43 demarcation strips
The specific embodiment
Below, with reference to accompanying drawing, the boats and ships that the present invention relates to are at length described with the embodiment of boiler.
Fig. 1 means the overall structure key diagram of the 1st example of the embodiment of boiler for the boats and ships that the present invention relates to.
The boats and ships of this example form as follows with boiler: for having on top in the hydroecium 1 of the steam span, the burning boiler 4 that the smoke pipe 3 of the burning and gas-exhausting circulation that makes burner 2 is installed is combined with the main frame heat extraction recovery boiler 6 that the smoke pipe 5 that makes main exhaust circulation is installed, and the composite boiler 9 of the burning and gas-exhausting flow export 7 of burning boiler 4 and the main exhaust flow export 8 of main frame heat extraction recovery boiler 6 is set respectively, further will be connected for reclaiming the mode that subsidiary engine heat extraction recovery boiler 10 and the composite boiler 9 of heat of the exhaust of subsidiary engine be communicated with stove water, and make the water (mixture of steam and liquid) that heated by subsidiary engine heat extraction recovery boiler 10 in hydroecium 1 gas-liquid separation of composite boiler 9, thereby be supplied to steam to use equipment steam.In this example, the engine of boats and ships uses as above-mentioned main frame, and generator uses as subsidiary engine.
Specifically, hydroecium 1 is cylindric, and the upper end and the bottom that form the cylinder plate (shell plate) 11 of withstand voltage portion are separated by upper tube sheet 12 and lower tube sheet 13, and the space being separated out by upper tube sheet 12 and lower tube sheet 13 forms hydroecium 1.In addition, in cylinder plate 11, be provided with burner 2, it is positioned on lower tube sheet 13 and is separated out a part for a plate 11 inner sides and forms.
In addition, the downside in lower tube sheet 13 is provided with main exhaust inflow chamber 14.At main exhaust, flow into chamber 14 and be provided with main exhaust inflow entrance 15, at main exhaust inflow entrance 15, be connected with for main exhaust being imported to main exhaust and flow into the main exhaust import pipe in chamber 14.
In addition, upside in upper tube sheet 12, with demarcation strip 17, separate so that smoke pipe 5 exhausts independently respectively of the smoke pipe 3 of burning and gas-exhausting circulation and main exhaust circulation make the burning and gas-exhausting delivery chamber 18 of burning and gas-exhausting outflow and the main exhaust delivery chamber 19 that main exhaust is flowed out thereby form.In burning and gas-exhausting delivery chamber 18, be provided with burning and gas-exhausting flow export 7, at burning and gas-exhausting flow export 7, be connected with the burning and gas-exhausting discharge line for burning and gas-exhausting is overboard discharged.In addition ， main exhaust delivery chamber 19 is provided with main exhaust flow export 8, at main exhaust flow export 8, is connected with the main exhaust discharge line for main exhaust is overboard discharged.
In addition, the many smoke pipes 3 with 18 links of burning and gas-exhausting delivery chamber by burner 2 are installed in hydroecium 1; With the many smoke pipes 5 that main exhaust flowed into Shi14Yu main exhaust delivery chamber 19 and link, the water in hydroecium 1 and burning and gas-exhausting in smoke pipe 3 circulations and carry out heat exchange at the heat of the main exhaust of smoke pipe 5 circulations.
Above-mentioned burning boiler 4 comprises the burner 2 that is separated out the part in hydroecium 1 and arranges and is arranged on the many smoke pipes 3 with 18 links of burning and gas-exhausting delivery chamber by burner 2 in hydroecium 1, in addition, above-mentioned main frame heat extraction recovery boiler 6 comprises that main exhaust flows into Shi14, main exhaust delivery chamber 19 and is arranged on the many smoke pipes 5 that main exhaust flowed into 19 links of Shi14Yu main exhaust delivery chamber in hydroecium 1.
The subsidiary engine heat extraction recovery boiler 10 of the heat of the exhaust of recovery subsidiary engine, adopted in this example fume tube type structure, by upper tube sheet 21 and lower tube sheet 22, the top and bottom that are cylindric and form the cylinder plate 20 of withstand voltage portion are separated, the space being separated out by upper tube sheet 21 and lower tube sheet 22 forms hydroecium 23, downside at hydroecium 23 arranges auxiliary exhaust inflow entrance 24, upside at hydroecium 23 arranges auxiliary exhaust flow export 25, the many smoke pipes 26 that link auxiliary exhaust inflow entrance 24 and auxiliary exhaust flow export 25 are installed in hydroecium 23, water in hydroecium 23 carries out heat exchange with the heat at the auxiliary exhaust of smoke pipe 26 interior circulations like this.
At auxiliary exhaust inflow entrance 24, be connected with the auxiliary exhaust import pipe that the exhaust of subsidiary engine is imported to auxiliary exhaust inflow entrance 24.In addition, at auxiliary exhaust flow export 25, be connected with the auxiliary exhaust discharge line that the exhaust of the subsidiary engine that for carrying out recuperation of heat by subsidiary engine heat extraction recovery boiler 10 temperature reduces is overboard discharged.
The mode that the hydroecium 23 of subsidiary engine heat extraction recovery boiler 10 is communicated with stove water with composite boiler 9 as constructed as above, the top connecting piece 27 being arranged highlightedly upward by the upper tube sheet 21 from subsidiary engine heat extraction recovery boiler 10 links, and the bottom of the bottom of the hydroecium 23 of subsidiary engine heat extraction recovery boiler 10 and the hydroecium 1 of composite boiler 9 is linked by bottom connecting piece 28.
In addition, at auxiliary exhaust flow export 25, possesses the noise reduction unit 30 for reducing the exhaust noise of subsidiary engine.In this example, noise reduction unit 30 is arranged on auxiliary exhaust flow export 25, but also can be arranged on auxiliary exhaust inflow entrance 24, in addition, can also be arranged on auxiliary exhaust flow export 25 and auxiliary exhaust inflow entrance 24 both sides.
As noise reduction unit 30, can adopt between the periphery of the cylindric cylinder being formed by punch metal (punching metal) and the inner peripheral surface of exhaust stream outlet 25, clamping glass cotton (glass wool) etc. has the structure of the material of sound-absorbing effect, in addition, can also adopt the length that lengthens exhaust stream outlet 25, or in exhaust stream outlet 25, stepped structure is set, but is not particularly limited to these structures.
According to the boats and ships boiler of this example of above-mentioned formation, the heat of the main exhaust of the heat of the burning and gas-exhausting of the burner burning in burning boiler 4 that the water in hydroecium 1 circulates in the smoke pipe 3 in hydroecium 1 interior installation and the main frame heat extraction recovery boiler 6 circulating in smoke pipe 5 heats, in the gas-liquid separation of the top of hydroecium 1, be provided to steam and use equipment.
In addition, in subsidiary engine heat extraction recovery boiler 10, auxiliary exhaust by the smoke pipe 26 of flowing through upward from below heats the water in hydroecium 23, heated water (mixture of steam and liquid) flows to the hydroecium 1 of composite boiler 9, in hydroecium 1 gas-liquid separation of composite boiler 9, be supplied in the lump steam with the steam generating in composite boiler 9 comprising burning boiler 4 and main frame heat extraction recovery boiler 6 and use equipment.
Like this, in subsidiary engine heat extraction recovery boiler 10, effectively utilize subsidiary engine heat extraction the exhaust of subsidiary engine generation is carried out to recuperation of heat, can cut down the Fuel Consumption of burning boiler 4.
In addition, even in the situation that the medium main frame that berths stops, by subsidiary engine is carried out to recuperation of heat, also can supply at any time steam, and as the stove water in boiler, can store the saturation water of the saturation temperature suitable with setting pressure, so can tackle the requirement of load, carry out at once steam supply, and can realize the reduction of the Fuel Consumption of burning boiler 5 one sides, thereby reduce costs.
In addition, in this example, because be provided with the noise reduction unit 30 for reducing the exhaust noise of subsidiary engine at auxiliary exhaust flow export 25, so that the environment of the area peripheral edge that can make to berth keeps is good.
In addition, in Fig. 1, subsidiary engine heat extraction recovery boiler 10 is adjacent with composite boiler 9, but also can change the length of top connecting piece 27 and bottom connecting piece 28 in conjunction with composite boiler 9 and subsidiary engine (not shown) configuration in board, thereby subsidiary engine heat extraction recovery boiler 10 is freely connected with composite boiler 9.
At this, can also be to top connecting piece 27 and the bottom connecting piece 28 with hydroecium 1 link of composite boiler 9 by the hydroecium of subsidiary engine heat extraction recovery boiler 10 23, valve is set respectively, by closing this valve, cut off being connected of subsidiary engine heat extraction recovery boiler 10 and composite boiler 9, can easily carry out maintenance or the replacing of subsidiary engine heat extraction recovery boiler 10 thus.
Fig. 2 means the overall structure key diagram of the 2nd example of the embodiment of boiler for the boats and ships that the present invention relates to.
About the boats and ships boiler of this example, the structure identical with above-mentioned the 1st example added to identical symbol, and also the description thereof will be omitted, only the structure different from the 1st example described.
The difference of this example and the 1st exemplary construction is only the structure of subsidiary engine heat extraction recovery boiler 10.
The subsidiary engine heat extraction recovery boiler 10 of this example, the structure of employing waterpipe type, top header 31 is linked by many water pipes 33 with bottom header 32, coated by forming furnace body cover 34 cylindraceous between top header 31 and bottom header 32.At furnace body cover 34, be provided with auxiliary exhaust inflow entrance 24 and auxiliary exhaust flow export 25, like this water in water pipe 33 be imported in furnace body cover 34 and carry out heat exchange at the heat of the mobile auxiliary exhaust in the outside of water pipe 33.
At auxiliary exhaust inflow entrance 24, be connected with the auxiliary exhaust import pipe that the exhaust of subsidiary engine is imported to furnace body cover 34.In addition, at auxiliary exhaust flow export 25, be connected with the auxiliary exhaust discharge line that the exhaust of the subsidiary engine that for carrying out recuperation of heat by subsidiary engine heat extraction recovery boiler 10 temperature reduces is overboard discharged.
Subsidiary engine heat extraction recovery boiler 10 and composite boiler 9 connect between the top header 31 of knot ﹕ subsidiary engine heat extraction recovery boiler 10 and the top of the hydroecium 1 of composite boiler 9 in the following manner as constituted above, liquid phase portion each other with gas phase portion separately from each other or liquid phase portion linked by top connecting piece 27a, 27b with gas phase portion any one party each other each other; Bottom header 32 is linked by bottom connecting piece 28 with the bottom of the hydroecium 1 of composite boiler 9.In this example, between the top header 31 of subsidiary engine heat extraction recovery boiler 10 and the top of the hydroecium 1 of composite boiler 9, be that liquid phase portion is linked by top connecting piece 27a, 27b separately from each other with gas phase portion each other.Also can valve be set at top connecting piece 27a, 27b and bottom connecting piece 28.
In addition, at auxiliary exhaust flow export 25, possesses the noise reduction unit 30 for reducing the exhaust noise of subsidiary engine.In this example, noise reduction unit 30 is arranged on auxiliary exhaust flow export 25, but also can be arranged on auxiliary exhaust inflow entrance 24, in addition, can also be arranged on auxiliary exhaust flow export 25 and auxiliary exhaust inflow entrance 24 both sides.
As noise reduction unit 30, can adopt between the periphery of the cylindric cylinder being formed by punch metal and the inner peripheral surface of exhaust stream outlet 25, the cotton structure that waits the material with sound-absorbing effect of clamping glass, in addition, can also adopt the length that lengthens exhaust stream outlet 25, or in exhaust stream outlet 25, stepped structure is set, but is not particularly limited to these structures.
According to the boats and ships boiler of this example of above-mentioned formation, in subsidiary engine heat extraction recovery boiler 10, water in the water pipe 33 that top header 31 and bottom header 32 are linked, by flowing into the heat of the auxiliary exhaust in furnace body cover 34, heat rear boiling, evaporation, the top of the hydroecium 1 of the steam that comprises the high-temperature water in top header 31 from top connecting piece 27a, 27b to composite boiler 9 flows into, and is supplied in the lump steam to use equipment with the steam generating in composite boiler 9 comprising burning boiler 4 and main frame heat extraction recovery boiler 6.
So, owing to being composite boiler 9 to burning boiler 4 and main frame heat extraction recovery boiler 6 are combined, combined the structure of the subsidiary engine heat extraction recovery boiler 10 of the heat that reclaims subsidiary engine, so can effectively utilize the heat extraction of discharging from subsidiary engine, cut down the Fuel Consumption of burning boiler 4.
In addition,, even in the situation that the medium main frame that berths stops, by subsidiary engine is carried out to recuperation of heat, also can supply at any time steam, and can realize the reduction of the Fuel Consumption of burning boiler 4 sides, thereby reduce costs.
In addition, the top collecting chamber 31 of subsidiary engine heat extraction recovery boiler 10 with the top of the hydroecium 1 of composite boiler 9 is, the structure that liquid phase portion and gas phase portion link by top connecting piece 27a, 27b separately from each other, in this structure, the steam that subsidiary engine heat extraction recovery boiler 10 produces can be in the circulation of carrying out stove water, supplied separately, therefore steam can be produced quickly.
In addition, in Fig. 2, subsidiary engine heat extraction recovery boiler 10 is adjacent with composite boiler 9, but also can change the length of top connecting piece 27a, 27b and bottom connecting piece 28 in conjunction with composite boiler 9 and subsidiary engine (not shown) configuration in board, thereby subsidiary engine heat extraction recovery boiler 10 is freely connected with composite boiler 9.
Other effects are identical with above-mentioned the 1st example, therefore quote the explanation of the 1st example.
Fig. 3, Fig. 4 mean the figure of the 3rd example of the embodiment of boiler for the boats and ships that the present invention relates to, and Fig. 3 is the overall structure key diagram of this example, and Fig. 4 omits cross-sectional illustration figure along the part of the A-A line of Fig. 3.
About the boats and ships boiler of this example, the structure identical with above-mentioned the 1st example added to identical symbol, and also the description thereof will be omitted, only the structure different from the 1st example described.
The boats and ships boiler of this example, for having on top in the hydroecium 1 of the steam span, the burning boiler 4 that the smoke pipe 3 of the burning and gas-exhausting circulation that makes burner 2 is installed is combined with the main frame heat extraction recovery boiler 6 that the smoke pipe 5 that makes main exhaust circulation is installed, and the composite boiler 9 of the burning and gas-exhausting flow export 7 of burning boiler 4 and the main exhaust flow export 8 of main frame heat extraction recovery boiler 6 is set respectively, the subsidiary engine heat extraction recovery boiler 10 that the smoke pipe 26 that makes auxiliary exhaust circulation is installed is also further set in hydroecium 1, and the auxiliary exhaust flow export 25 and the burning and gas-exhausting flow export 7 of burning boiler 4 and the main exhaust flow export 8 of main frame heat extraction recovery boiler 6 of subsidiary engine heat extraction recovery boiler 10 are set respectively.
Specifically, downside in the lower tube sheet 13 of the bottom of separating tube plate 11, with demarcation strip 36, separate so that main exhaust and auxiliary exhaust flow into respectively the smoke pipe 5 that makes main exhaust circulation and the smoke pipe 26 that makes auxiliary exhaust circulation independently, thereby form, make the main exhaust that main exhaust flows into flow into chamber 14 and make the auxiliary exhaust that auxiliary exhaust flows into flow into chamber 37.At auxiliary exhaust, flow into chamber 37 and be provided with auxiliary exhaust inflow entrance 24, at auxiliary exhaust inflow entrance 24, be connected with for the exhaust of subsidiary engine is imported to the auxiliary exhaust import pipe that auxiliary exhaust flows into chamber 37.
In addition, upside in upper tube sheet 12, with demarcation strip 39 and demarcation strip 40, separate so that smoke pipe 26 exhausts independently respectively of the smoke pipe 5 of the smoke pipe 3 of burning and gas-exhausting circulation, main exhaust circulation and auxiliary exhaust circulation, thereby form burning and gas-exhausting delivery chamber 18 that burning and gas-exhausting is flowed out, make the main exhaust delivery chamber 19 that main exhaust flows out and the auxiliary exhaust delivery chamber 41 that auxiliary exhaust is flowed out.
In burning and gas-exhausting delivery chamber 18, be provided with burning and gas-exhausting flow export 7, at burning and gas-exhausting flow export 7, be connected with the burning and gas-exhausting discharge line for burning and gas-exhausting is overboard discharged.In addition ， main exhaust delivery chamber 19 is provided with main exhaust flow export 8, at main exhaust flow export 8, is connected with the main exhaust discharge line for main exhaust is overboard discharged.In addition ， auxiliary exhaust delivery chamber 41 is provided with auxiliary exhaust flow export 25, at auxiliary exhaust flow export 25, is connected with the auxiliary exhaust discharge line for auxiliary exhaust is overboard discharged.
In addition, in hydroecium 1, be provided with the many smoke pipes 3 of burner 2 and 18 links of burning and gas-exhausting delivery chamber, main exhaust is flowed into the many smoke pipes 5 of Shi14Yu main exhaust delivery chamber 19 links and auxiliary exhaust is flowed into the many smoke pipes 26 that Shi37Yu auxiliary exhaust delivery chamber 41 links, the heat of the auxiliary exhaust circulating in the main exhaust circulating in the burning and gas-exhausting of circulation, smoke pipe 5 in the water in hydroecium 1 and smoke pipe 3 and smoke pipe 26 carries out heat exchange.
Above-mentioned burning boiler 4 comprises the burner 2 that is separated out a part for a plate 11 inner sides and arranges and is arranged on the many smoke pipes 3 with 18 links of burning and gas-exhausting delivery chamber by burner 2 in hydroecium 1, in addition, above-mentioned main frame heat extraction recovery boiler 6 comprises that main exhaust flows into chamber 14, main exhaust delivery chamber 19 and the many smoke pipes 5 that main exhaust flowed into 19 links of Shi14Yu main exhaust delivery chamber that are arranged in hydroecium 1, moreover, subsidiary engine heat extraction recovery boiler 10 comprises the many smoke pipes 26 that auxiliary exhaust flowed into 41 links of Shi37Yu auxiliary exhaust delivery chamber that are arranged in hydroecium 1.
In addition, at auxiliary exhaust flow export 25, possesses the noise reduction unit 30 for reducing the exhaust noise of subsidiary engine.In this example, as shown in the section of the auxiliary exhaust flow export 25 of Fig. 3, noise reduction unit 30 is arranged on auxiliary exhaust flow export 25, but also can be arranged on auxiliary exhaust inflow entrance 24, in addition, can also be arranged on auxiliary exhaust flow export 25 and auxiliary exhaust inflow entrance 24 both sides.
As noise reduction unit 30, can adopt between the periphery of the cylindric cylinder being formed by punch metal and the inner peripheral surface of exhaust stream outlet 25, the cotton structure that waits the material with sound-absorbing effect of clamping glass, in addition, can also adopt the length that lengthens exhaust stream outlet 25, or in exhaust stream outlet 25, stepped structure is set, but is not particularly limited to these structures.
According to the boats and ships boiler of this example of above-mentioned formation, subsidiary engine heat extraction recovery section as subsidiary engine heat extraction recovery boiler 10 is arranged on to the inside of composite boiler 9, therefore can composite boiler 9 and subsidiary engine heat extraction recovery boiler 10 is integrated, realize the miniaturization of boiler integral body.
Other effects are identical with above-mentioned the 1st example, therefore quote the explanation of the 1st example.
Fig. 5 and even Fig. 7 mean the figure of the 4th example of the embodiment of boiler for the boats and ships that the present invention relates to, and Fig. 5 is the overall structure key diagram of this example, and Fig. 6 omits cross-sectional illustration figure along the part of the A-A line of Fig. 5, and Fig. 7 is that the part of Fig. 5 is omitted and overlooked key diagram.
About the boats and ships boiler of this example, the structure identical with above-mentioned the 3rd example added to identical symbol, and also the description thereof will be omitted, only the structure different from the 3rd example described.
This example is only with the difference of the 3rd exemplary construction, and the boats and ships boiler of this example arranges the subsidiary engine heat extraction recovery boiler 10 that the smoke pipe 26 that makes auxiliary exhaust circulation is installed in hydroecium 1.
In this example, so that many subsidiary engines, the mode flowing into is independently distinguished in the exhaust that is in this example two subsidiary engines, with demarcation strip 42 separate by the end portion of cylinder plate 11 every the auxiliary exhaust that forms of the downside of lower tube sheet 13 flow into chamber 37, thereby form, make the auxiliary exhaust that auxiliary exhaust flows into flow into chamber 37a, 37b.At auxiliary exhaust, flow into chamber 37a, 37b and be respectively arranged with auxiliary exhaust inflow entrance 24a, 24b, at auxiliary exhaust inflow entrance 24a, 24b, be connected with the exhaust of subsidiary engine is imported to the auxiliary exhaust import pipe that auxiliary exhaust flows into chamber 37a, 37b.
In addition, so that flowing into smoke pipe 26a, the 26b of the auxiliary exhaust circulation of chamber 37a, 37b, auxiliary exhaust distinguishes the mode of exhaust independently, with demarcation strip 43, separate the auxiliary exhaust delivery chamber 41 in the upside formation of upper tube sheet 12, thereby form the 41a of auxiliary exhaust delivery chamber, the 41b that auxiliary exhaust is flowed out.At the 41a of auxiliary exhaust delivery chamber, 41b, be respectively arranged with auxiliary exhaust flow export 25a, 25b, at auxiliary exhaust flow export 25a, 25b, be connected with the auxiliary exhaust discharge line for auxiliary exhaust is overboard discharged.
Illustrative is in this example that the quantity of subsidiary engine is the situation of 2, but can be also its above number of units, in this case, flows into Shi37He auxiliary exhaust delivery chamber 41 demarcation strip is further set at auxiliary exhaust.
According to the boats and ships boiler of this example of above-mentioned formation, because each exhaust flow path arranges independently, share stove water, therefore can effectively reclaim the heat of the exhaust of the subsidiary engine discharge from work, and produce steam.
Other effects are identical with above-mentioned the 3rd example, therefore quote the explanation of the 3rd example.
Claims (5)
1. a boats and ships boiler, it for combining the burning boiler that the smoke pipe of the burning and gas-exhausting circulation that makes burner is installed in hydroecium with the main frame heat extraction recovery boiler that the smoke pipe that makes main exhaust circulation is installed, and the composite boiler of flow export that the exhaust of described burning boiler and described main frame heat extraction recovery boiler is set respectively, is characterized in that:
Further will be connected for reclaiming the mode that subsidiary engine heat extraction recovery boiler and the described composite boiler of heat of the exhaust of subsidiary engine be communicated with stove water, make steam that described subsidiary engine heat extraction recovery boiler produces be supplied to steam to use equipment via the described hydroecium of described composite boiler.
2. boats and ships boiler according to claim 1, is characterized in that:
Described subsidiary engine heat extraction recovery boiler forms at its water indoor location smoke pipe, and the described hydroecium of this hydroecium and described composite boiler is linked by connecting piece.
3. boats and ships boiler according to claim 1, is characterized in that:
Described subsidiary engine heat extraction recovery boiler to be to be linked upper chamber part and lower chamber part by water pipe, and auxiliary exhaust is formed in the mobile mode in the outside of described water pipe, and the described hydroecium of described upper chamber part and described lower chamber part and described composite boiler is linked by connecting piece respectively.
4. a boats and ships boiler, it for combining the burning boiler that the smoke pipe of the burning and gas-exhausting circulation that makes burner is installed in hydroecium with the main frame heat extraction recovery boiler that the smoke pipe that makes main exhaust circulation is installed, and the composite boiler of flow export that the exhaust of described burning boiler and described main frame heat extraction recovery boiler is set respectively, is characterized in that:
The subsidiary engine heat extraction recovery boiler that the smoke pipe that makes auxiliary exhaust circulation is installed is also further set in described hydroecium, and the flow export of exhaust of described subsidiary engine heat extraction recovery boiler and the flow export of the exhaust of described burning boiler and described main frame heat extraction recovery boiler are set respectively.
5. according to the boats and ships boiler described in any one in claim 1～4, it is characterized in that:
For described subsidiary engine heat extraction recovery boiler, in the inflow entrance of auxiliary exhaust or any one party of flow export or both sides, be provided with noise reduction unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-155429 | 2012-07-11 | ||
| JP2012155429A JP5611281B2 (en) | 2012-07-11 | 2012-07-11 | Ship boiler |
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| CN103542396A true CN103542396A (en) | 2014-01-29 |
| CN103542396B CN103542396B (en) | 2016-09-07 |
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| CN201310278519.1A Active CN103542396B (en) | 2012-07-11 | 2013-07-03 | Boiler for vessel |
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| JP (1) | JP5611281B2 (en) |
| KR (1) | KR102041421B1 (en) |
| CN (1) | CN103542396B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6479434B2 (en) * | 2014-11-20 | 2019-03-06 | 三菱重工業株式会社 | Smoke tube type boiler and exhaust heat recovery system |
| CN105066094B (en) * | 2015-08-12 | 2017-07-28 | 朱永彪 | Vertical gas boiler |
| CN106247297B (en) * | 2016-09-27 | 2018-05-18 | 哈尔滨工程大学 | A kind of bypass peculiar to vessel recycles compound moisturizing steam-supplying system |
| CN108007216A (en) * | 2016-11-02 | 2018-05-08 | 天津瑞海潮科技有限公司 | A kind of high-effect steam boiler |
| CN110500569A (en) * | 2019-08-13 | 2019-11-26 | 南京盛航海运股份有限公司 | A kind of ship pump room heating system |
| EP3879083A1 (en) | 2020-03-10 | 2021-09-15 | Alfa Laval Corporate AB | Boiler and method of operating a boiler |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5611281B2 (en) | 2014-10-22 |
| KR102041421B1 (en) | 2019-11-06 |
| JP2014016135A (en) | 2014-01-30 |
| KR20140008255A (en) | 2014-01-21 |
| CN103542396B (en) | 2016-09-07 |
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