CN108223093A - A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural - Google Patents
A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural Download PDFInfo
- Publication number
- CN108223093A CN108223093A CN201711295393.3A CN201711295393A CN108223093A CN 108223093 A CN108223093 A CN 108223093A CN 201711295393 A CN201711295393 A CN 201711295393A CN 108223093 A CN108223093 A CN 108223093A
- Authority
- CN
- China
- Prior art keywords
- exhaust pipe
- smoke exhaust
- corrugated tube
- water channel
- spirally corrugated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
- F01N13/141—Double-walled exhaust pipes or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
- F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention provides a kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structurals, including inlet flange, tangential sparge pipe, smoke exhaust pipe, spirally corrugated tube and dish-shaped ring, the spirally corrugated tube is sleeved on the outside of smoke exhaust pipe, and water channel interlayer is formed between the inner wall of spirally corrugated tube and the outer wall of smoke exhaust pipe；The upper end of the smoke exhaust pipe and spirally corrugated tube is installed by the inlet flange for connecting supercharger worm-gear case smoke evacuation nozzle；The tangential sparge pipe is tangentially welded on the top of spirally corrugated tube, and the inner end connection water channel interlayer of the tangential sparge pipe；The dish-shaped ring of the lower end of the smoke exhaust pipe and spirally corrugated tube installation.The present invention has the advantage that：It solves and is difficult in the exhaust gas turbocharge diesel outboard engine smoke exhaust pipe water channel interlayer of vertical pivot power output full of coolant, the circumferential non-uniform problem of water-flow equation, heat insulation is notable.
Description
Technical field
The invention belongs to shipboard field, more particularly, to a kind of exhaust gas turbocharge diesel oil outboard of vertical pivot power output
Machine smoke exhaust pipe heat insulation structural designs.
Background technology
Exhaust gas turbocharge is to improve one of diesel outboard engine power to weight ratio, the effective way for realizing miniaturization.But due to
The problem of bringing be：Smoke-exhaust pipeline after turbine is not easy to be integrated on diesel-engine body, and the high temperature on smoke-exhaust pipeline surface holds
Shipboard overhead guard thermal deformation is easily caused, security risk is also resulted in operating personnel, so provision for thermal insulation need to be used.
Existing shipboard exhaust insulation technology include insulated, cermet thermal barrier coating and water channel interlayer every
Heat.Temperature can only be reduced to 200 DEG C or so by insulated mode；Cermet thermal barrier coating heat insulation is apparent, but easily by
Thermal shock comes off, and reliability is not high；And water channel interlayer is heat-insulated for the engine of vertical pivot arrangement, coolant flows from top to down
It is dynamic, it is difficult in water channel interlayer full of coolant, circumferential water-flow equation is uneven, and heat-insulating capability is limited.
Invention content
In view of this, the present invention is directed to propose a kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural,
Smoke evacuation tube outer surface infrared signature and temperature radiation degree can effectively be reduced.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural, including inlet flange, tangential sparge pipe,
Smoke exhaust pipe, spirally corrugated tube and dish-shaped ring, the spirally corrugated tube are sleeved on the outside of smoke exhaust pipe, the inner wall of spirally corrugated tube with
Water channel interlayer is formed between the outer wall of smoke exhaust pipe；It installs to connect booster whirlpool in the upper end of the smoke exhaust pipe and spirally corrugated tube
The inlet flange of roller box smoke evacuation nozzle；The tangential sparge pipe is tangentially welded on the top of spirally corrugated tube, and the tangential spray
The inner end connection water channel interlayer of water pipe；The dish-shaped ring of the lower end of the smoke exhaust pipe and spirally corrugated tube installation.
Further, the depth of the spiral groove of the spirally corrugated tube is 3.5mm.
Further, the gap at the internal projection of the spirally corrugated tube between smoke exhaust pipe outside wall surface is 1.5mm.
Relative to the prior art, the present invention has the advantage that：
(1) present invention solves difficult in the exhaust gas turbocharge diesel outboard engine smoke exhaust pipe water channel interlayer of vertical pivot power output
To be full of coolant, the circumferential non-uniform problem of water-flow equation, heat insulation is notable；
(2) light structure of the present invention, it is simple easily to realize, convenient for promoting the use of.
Description of the drawings
The attached drawing for forming the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the vertical view described in the embodiment of the present invention；
Fig. 2 is the side view described in the embodiment of the present invention；
Fig. 3 is the partial enlarged view of Fig. 2.
Reference sign：
1- inlet flanges, the tangential sparge pipes of 2-, 3- smoke exhaust pipes, 4- water channel interlayers, 5- spirally corrugated tubes, 6- dish rings.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural, as shown in Figures 1 to 3, including air inlet method
Orchid 1, tangential sparge pipe 2, smoke exhaust pipe 3, spirally corrugated tube 5 and dish-shaped ring 6,
The spirally corrugated tube 5 is sleeved on the outside of smoke exhaust pipe 3, the inner wall of spirally corrugated tube 5 and the outer wall of smoke exhaust pipe 3 it
Between form water channel interlayer 4, the upper end of the smoke exhaust pipe 3 and spirally corrugated tube 5 installs to connect supercharger worm-gear case smoke exhaust pipe
The inlet flange 1 of mouth；The tangential sparge pipe 2 is tangentially welded on the top of spirally corrugated tube 5, and the tangential sparge pipe 2
Inner end connection water channel interlayer 4；Smoke exhaust pipe is stablized in the lower end of the smoke exhaust pipe 3 and spirally corrugated tube 5 by the dish-shaped ring 6 of installation
Relative position between 3 and spirally corrugated tube 5.
Its course of work is：
Coolant is tangentially entered by the outside wall surface of smoke exhaust pipe 3 and spiral groove with certain initial velocity by tangential sparge pipe 2
In the water channel interlayer 4 formed between the internal face of pipe 5, made by the guiding of the spiral groove of spirally corrugated tube 5 close to spiral groove
The part coolant crossheading eddy flow of 5 inner wall of pipe, ensures that the internal face of spirally corrugated tube 5, spirally corrugated tube 5 is completely covered in coolant
Spiral groove depth be 3.5mm；
The outside wall surface of some coolant in-line arrangement smoke pipe 3 axially flows, internal projection and row by spirally corrugated tube 5
Axial vortex is generated at the gap of 3 outside wall surface of smoke pipe, internal projection and the gap of 3 outer wall of smoke exhaust pipe are 1.5mm, and coolant is on surface
Liquid gravity is overcome under the action of tension, has delayed the falling speed of coolant, ensures coolant full of water channel interlayer 4, enhancing
Heat insulation.Coolant flow through lower end dish-shaped ring 6 mixed with diesel engine vent gas in exit after by dress portion under shipboard
Divide and be discharged into water.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (3)
1. a kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural, it is characterised in that：Including inlet flange, cut
To sparge pipe, smoke exhaust pipe, spirally corrugated tube and dish-shaped ring,
The spirally corrugated tube is sleeved on the outside of smoke exhaust pipe, and water is formed between the inner wall of spirally corrugated tube and the outer wall of smoke exhaust pipe
Road interlayer；The upper end of the smoke exhaust pipe and spirally corrugated tube is installed by the air inlet method for connecting supercharger worm-gear case smoke evacuation nozzle
It is blue；The tangential sparge pipe is tangentially welded on the top of spirally corrugated tube, and the inner end connection water channel folder of the tangential sparge pipe
Layer；The dish-shaped ring of the lower end of the smoke exhaust pipe and spirally corrugated tube installation.
2. a kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural according to claim 1, feature
It is：The depth of the spiral groove of the spirally corrugated tube is 3.5mm.
3. a kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural according to claim 1, feature
It is：Gap at the internal projection of the spirally corrugated tube between smoke exhaust pipe outside wall surface is 1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295393.3A CN108223093A (en) | 2017-12-08 | 2017-12-08 | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711295393.3A CN108223093A (en) | 2017-12-08 | 2017-12-08 | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223093A true CN108223093A (en) | 2018-06-29 |
Family
ID=62653450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711295393.3A Pending CN108223093A (en) | 2017-12-08 | 2017-12-08 | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973191A (en) * | 2019-03-28 | 2019-07-05 | 潍柴动力股份有限公司 | A kind of water proof type tailpipe |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020049015A1 (en) * | 1997-06-16 | 2002-04-25 | Akitaka Suzuki | Exhaust and control for watercraft engine |
| JP2006200490A (en) * | 2005-01-24 | 2006-08-03 | Nissan Diesel Motor Co Ltd | Exhaust gas cooling device for exhaust gas recirculating system |
| CN2858964Y (en) * | 2005-12-23 | 2007-01-17 | 煤炭科学研究总院太原分院 | Dual-layer bellows type exhaust apparatus |
| EP1770250A2 (en) * | 2005-09-28 | 2007-04-04 | Witzenmann GmbH | Heat exchanger for exhaust pipes |
| CN201705432U (en) * | 2010-07-07 | 2011-01-12 | 广西玉柴机器股份有限公司 | Diesel engine aft-vortex exhausting cooling mechanism |
| CN202065036U (en) * | 2011-06-14 | 2011-12-07 | 珠海太阳鸟游艇制造有限公司 | Noise elimination cooling water jacket for exhaust pipe of main engine of ship |
| CN203835512U (en) * | 2014-01-29 | 2014-09-17 | 广西玉柴机器股份有限公司 | Exhaust connecting pipe of internal combustion engine |
| CN204371465U (en) * | 2014-03-20 | 2015-06-03 | 安徽飞鲨动力设备有限公司 | A kind of outboard machine outlet pipe |
| US9057314B1 (en) * | 2012-10-05 | 2015-06-16 | Brunswick Corporation | Apparatuses for cooling exhaust components of marine engines |
| US9650937B1 (en) * | 2015-02-13 | 2017-05-16 | Brunswick Corporation | Converging cooling system cross section |
| CN206330460U (en) * | 2016-11-15 | 2017-07-14 | 广东粤丰散热器有限公司 | Inner tube is the oil cooler of helix tube |
| CN107023398A (en) * | 2017-05-10 | 2017-08-08 | 上海泛智能源装备有限公司 | A kind of water cooled pipeline structure |
-
2017
- 2017-12-08 CN CN201711295393.3A patent/CN108223093A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020049015A1 (en) * | 1997-06-16 | 2002-04-25 | Akitaka Suzuki | Exhaust and control for watercraft engine |
| JP2006200490A (en) * | 2005-01-24 | 2006-08-03 | Nissan Diesel Motor Co Ltd | Exhaust gas cooling device for exhaust gas recirculating system |
| EP1770250A2 (en) * | 2005-09-28 | 2007-04-04 | Witzenmann GmbH | Heat exchanger for exhaust pipes |
| CN2858964Y (en) * | 2005-12-23 | 2007-01-17 | 煤炭科学研究总院太原分院 | Dual-layer bellows type exhaust apparatus |
| CN201705432U (en) * | 2010-07-07 | 2011-01-12 | 广西玉柴机器股份有限公司 | Diesel engine aft-vortex exhausting cooling mechanism |
| CN202065036U (en) * | 2011-06-14 | 2011-12-07 | 珠海太阳鸟游艇制造有限公司 | Noise elimination cooling water jacket for exhaust pipe of main engine of ship |
| US9057314B1 (en) * | 2012-10-05 | 2015-06-16 | Brunswick Corporation | Apparatuses for cooling exhaust components of marine engines |
| CN203835512U (en) * | 2014-01-29 | 2014-09-17 | 广西玉柴机器股份有限公司 | Exhaust connecting pipe of internal combustion engine |
| CN204371465U (en) * | 2014-03-20 | 2015-06-03 | 安徽飞鲨动力设备有限公司 | A kind of outboard machine outlet pipe |
| US9650937B1 (en) * | 2015-02-13 | 2017-05-16 | Brunswick Corporation | Converging cooling system cross section |
| CN206330460U (en) * | 2016-11-15 | 2017-07-14 | 广东粤丰散热器有限公司 | Inner tube is the oil cooler of helix tube |
| CN107023398A (en) * | 2017-05-10 | 2017-08-08 | 上海泛智能源装备有限公司 | A kind of water cooled pipeline structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973191A (en) * | 2019-03-28 | 2019-07-05 | 潍柴动力股份有限公司 | A kind of water proof type tailpipe |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
|
| RJ01 | Rejection of invention patent application after publication |