CN212243769U

CN212243769U - Side fume extractor

Info

Publication number: CN212243769U
Application number: CN202020900462.XU
Authority: CN
Inventors: 唐元斌; 夏秀山
Original assignee: Dalian Liaonan Shipyard
Current assignee: Dalian Liaonan Shipyard
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a topside fume extractor, including flange (1) of discharging fume, ring (2), inner tube (3), outer tube (4), water spray ring (5), inlet tube (6), closure plate (7), anti-wave pipe (8), web flange (9), topside flange (10) and topside nozzle stub (12). The utility model discloses topside fume extractor, for the right angle form, compact structure, space utilization is high, can effectively utilize the topside space, has very high heat-proof quality, and bearing strength is big and can adapt to advantages such as planking structure of different shapes.

Description

Side fume extractor

Technical Field

The utility model relates to a topside fume extractor.

Background

At present, most of small speed boats and naval vessels adopt aluminum alloy hull structures, smoke discharged by main and auxiliary machines needs to be discharged from a shipboard side, and due to the fact that the smoke discharge pipes and the hull structures are made of different materials, the small speed boats and the naval vessels cannot be installed in a direct welding mode, and a heat source cannot be well isolated by adopting a traditional seat plate mode, so that the risk of damaging a protective paint layer of an outer plate is caused; the aluminum seat plate has a strong bottom, so that the aluminum seat plate cannot be disassembled for many times, and the aluminum seat plate brings great trouble to later-period maintenance; for the structure with the complicated shape of the outer plate, the workload of on-site base plate research and allocation is large and the construction is difficult; the arrangement of the whole smoke exhaust pipe is not compact enough, and the position adjustment is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a broadside fume extractor that compact structure, bearing strength are big, heat-proof quality is good.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a broadside smoke exhaust device comprises a smoke exhaust flange (1), a circular ring (2), an inner pipe (3), an outer pipe (4), a water spray ring (5), a water inlet pipe (6), a blocking plate (7), an anti-wave pipe (8), a web flange (9), a broadside flange (10) and a broadside short pipe (12), wherein the circular ring (2) is respectively welded with the inner pipe (3) and the outer pipe (4), the inner pipe (3) is welded with the water spray ring (5), the water inlet pipe (6) is welded on the outer pipe (4), a gap is reserved between the end part of the water spray ring (5) and the outer pipe (4), the outer pipe (4) and the anti-wave pipe (8) are welded by right angles, the blocking plate (7) is installed at the tail end of the anti-wave pipe (8), the web flange (9) is welded on the outer surface of the anti-wave pipe (8), the broadside flange (10) is welded at one end of the broad, the other end is welded on the hull outer plate (19).

The circular ring (2), the inner pipe (3), the outer pipe (4), the water spraying ring (5) and the water inlet pipe (6) jointly form a cold water cavity.

And the water spraying ring (5) is provided with a water spraying hole which is obliquely arranged towards the center of the device.

The side short pipe (12) is welded in a mode of penetrating through a hull outer plate (19), and the side short pipe (12), the side flange (10) and the hull outer plate (19) are welded into a whole by at least three toggle plates (11).

The web flange (9) and the side flange (10) are connected through bolts (13) and nuts (18).

The outside of the bolt (13) is isolated by an insulating sleeve (14), and the nut (18) is isolated by a bolt insulating gasket (16) and a flat gasket (17).

And the web flange (9) and the side flange (10) are isolated by a flange insulating gasket (15).

The utility model relates to a topside fume extractor, for the right angle form, compact structure, space utilization is high, can effectively utilize the topside space, has very high heat-proof quality, and bearing strength is big and can adapt to advantages such as planking structure of different shapes.

Drawings

Fig. 1 is a schematic structural view of a broadside smoke exhaust apparatus of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

In the figure: 1. a smoke evacuation flange; 2. a circular ring; 3. an inner tube; 4. an outer tube; 5. a water spray ring; 6. a water inlet pipe; 7. a blocking plate; 8. an anti-wave tube; 9. a web flange; 10. a broadside flange; 11. a toggle plate; 12. a broadside stub; 13. a bolt; 14. an insulating sleeve; 15. a flange insulating spacer; 16. a bolt insulating spacer; 17. a flat gasket; 18. a nut; 19. and (4) ship hull planking.

Detailed Description

As shown in fig. 1 to 3, the broadside smoke exhaust device comprises a smoke exhaust flange 1, a circular ring 2, an inner pipe 3, an outer pipe 4, a water spray ring 5, a water inlet pipe 6, a blocking plate 7, a wave-proof pipe 8, a web flange 9, a broadside flange 10, a toggle plate 11 and a broadside short pipe 12, wherein the smoke exhaust flange 1 is connected with the smoke exhaust pipe of the diesel engine, the water inlet pipe 6 is connected with cooling water of the diesel engine, the circular ring 2 is respectively welded with the inner ring 3 and the outer pipe 4, the inner ring 3 is welded with the water spray ring 5, the water inlet pipe 6 is welded on the outer pipe 4, the circular ring 2, the inner pipe 3, the outer pipe 4, the water spray ring 5 and the water inlet pipe 6 jointly enclose a cooling water cavity, the water spray ring 5 is provided with water spray holes which are obliquely arranged towards the center of the device, a gap is reserved between the end part and the inner wall of the outer pipe 4, the outer pipe 4 is welded with, the side short pipe 12 has a side flange 10 welded at one end and a hull outer plate 19 welded at one end, the side short pipe 12 is welded by penetrating the hull outer plate 19, the side short pipe 12 has an included angle of not less than 5 degrees with the horizontal plane, in order to strengthen the welding of the side short pipe 12, the side flange 10 and the hull outer plate 19 by using not less than three toggle plates 11, a web flange 9 is connected with the side flange 10 by using a bolt 13 and a nut 18, the web flange 9 is separated from the side flange 10 by using a flange insulating gasket 15, the bolt 13 is externally isolated by an insulating sleeve 14, the nut 18 is isolated by using a bolt insulating gasket 16 and a flat gasket 17, when the diesel engine works, high-temperature exhaust enters the inner side of the inner pipe 3 through the exhaust flange 1, cooling water enters a cooling water cavity at the outer side of the inner pipe 3 through the water inlet pipe 6, and when passing through the water spray ring 5, the flue gas and the cooling, the exhaust gas temperature is reduced, because the water spray ring 5 is provided with the water spray holes which are obliquely arranged towards the center of the device, and a gap is reserved between the end part and the inner wall of the outer pipe 4, cooling water can spray water through the holes on the water spray ring 5 and the gap between the water spray ring 5 and the outer pipe 4 simultaneously, the cooling water can be better mixed with exhaust gas to reduce the temperature, meanwhile, the gap between the water spray ring 5 and the outer pipe 4 can form a water wall to isolate the contact between exhaust gas and the outer pipe, the mixed flue gas and the cooling water enter the anti-surge pipe 8 together and then are discharged to the outboard, because the anti-surge pipe 8 and the outer pipe 4 are arranged in a right-angle shape, the sea wave can be effectively prevented from entering the exhaust pipe, the inboard space can be effectively utilized, the arrangement is reasonable and compact, the inboard short pipe 12 is welded by adopting a mode of penetrating through the hull outer plate 19, and at least three elbow, the strength of the side part is greatly increased, the connection mode of the flanges can allow repeated disassembly, and the external plate structure cannot be affected, and the position of the device can be adjusted at will by the length of the side short pipe, so the arrangement is flexible, the web flange 9 and the side flange 10 are isolated by the flange insulating gasket 15, the outside of the bolt 13 is isolated by the insulating sleeve 14, and the nut 18 is also isolated by the bolt insulating gasket 16, therefore, the heat of the smoke exhaust pipe is completely prevented from being transmitted to the hull outer plate, the risk of damaging the outer plate protective paint layer is eliminated, and the electrochemical corrosion problem caused by the contact of different metals is solved by the complete isolation mode; the anti-wave pipe 8 and the side short pipe 12 are connected through the bolt 13, and then have an included angle not smaller than 5 degrees with the horizontal plane, so that accumulated water is not stored in the device, the space formed by the side short pipe 12 and the anti-wave pipe 8 is filled with insulating materials and putty, the aquatic organism pollution is prevented, and the attractiveness of the ship outer plate is improved.

Claims

1. A broadside fume extractor, characterized by: comprises a smoke exhaust flange (1), a circular ring (2), an inner pipe (3), an outer pipe (4), a water spray ring (5), a water inlet pipe (6), a blocking plate (7), a wave prevention pipe (8), a web flange (9), a side flange (10) and a side short pipe (12), the circular ring (2) is respectively welded with the inner pipe (3) and the outer pipe (4), the inner pipe (3) is welded with the water spraying ring (5), the water inlet pipe (6) is welded on the outer pipe (4), a gap is reserved between the end part of the water spraying ring (5) and the outer pipe (4), the outer pipe (4) and the wave-proof pipe (8) are welded by adopting a right angle, the blocking plate (7) is arranged at the tail end of the wave-proof pipe (8), the web flange (9) is welded on the outer surface of the wave-proof pipe (8), and one end of the side short pipe (12) is welded with a side flange (10), and the other end is welded on the hull outer plate (19).

2. A broadside smoke evacuation apparatus as claimed in claim 1, wherein: the circular ring (2), the inner pipe (3), the outer pipe (4), the water spraying ring (5) and the water inlet pipe (6) jointly form a cold water cavity.

3. A broadside smoke evacuation apparatus as claimed in claim 1, wherein: and the water spraying ring (5) is provided with a water spraying hole which is obliquely arranged towards the center of the device.

4. A broadside smoke evacuation apparatus as claimed in claim 1, wherein: the side short pipe (12) is welded in a mode of penetrating through a hull outer plate (19), and the side short pipe (12), the side flange (10) and the hull outer plate (19) are welded into a whole by at least three toggle plates (11).

5. A broadside smoke evacuation apparatus as claimed in claim 1, wherein: the web flange (9) and the side flange (10) are connected through bolts (13) and nuts (18).

6. The broadside smoke evacuation apparatus of claim 5, wherein: the outside of the bolt (13) is isolated by an insulating sleeve (14), and the nut (18) is isolated by a bolt insulating gasket (16) and a flat gasket (17).

7. A broadside smoke evacuation apparatus as claimed in claim 1, wherein: and the web flange (9) and the side flange (10) are isolated by a flange insulating gasket (15).