CN107023398A - A kind of water cooled pipeline structure - Google Patents
A kind of water cooled pipeline structure Download PDFInfo
- Publication number
- CN107023398A CN107023398A CN201710324746.1A CN201710324746A CN107023398A CN 107023398 A CN107023398 A CN 107023398A CN 201710324746 A CN201710324746 A CN 201710324746A CN 107023398 A CN107023398 A CN 107023398A
- Authority
- CN
- China
- Prior art keywords
- water
- pipeline structure
- water inlet
- outer barrel
- cooled pipeline
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
Abstract
The present invention relates to tube-cooled technical field, a kind of water cooled pipeline structure is disclosed, to reduce the heat exchanging corner in water cooling heat transfer process so that cooling jacket and combustion chamber pipe temperature are more uniformly distributed, so as to improve heat exchange cooling effect, and reduce the occurrence of pipeline cracking, cavitation erosion.The water cooled pipeline structure includes the double-skin duct of outer barrel and inner cylinder formation, and it is arranged at the water inlet pipe, outlet pipe and two conduit couplings at double-skin duct two ends, wherein, gap between the outer barrel and inner cylinder is constituted in heat exchanger channels, the heat exchanger channels with water inlet pipe, outlet pipe is provided with air guide.
Description
Technical field
The present invention relates to tube-cooled technical field, more particularly to a kind of water cooled pipeline structure.
Background technology
Gas turbine is rotated at a high speed by working medium impeller of the gas continuously flowed, is to have by the energy conversion of fuel
Diligent internal combustion type dynamic power machine, is typical new and high technology intensive product.Three big parts of gas turbine are combustion chamber, pressure
Mechanism of qi and turbine, the performance of combustion chamber can directly affect the overall performance of gas turbine.Combustor exit fuel gas temperature is generally all
In more than 1000K, at present, push away than the aeroengine combustor buring room outlet gas mean temperature about 1850K that rank is 10, push away than level
Bie Genggao engine chamber outlet temperature is up to more than 2000K.But the temperature that conventional stainless steel pipes are born is often
No more than 1000K, the general bearing temperature of high temperature alloy is generally required to combustion probably in 1500K or so during development test
Room gas outlet section is burnt to be cooled down.
Existing tube-cooled mode is generally water-cooling structure, and the water-cooling structure is hollow double-deck cylinder heat exchanging water pipe,
Heat exchanging fluid (conventional is water) flows no directionality, easily produces fluid interchange dead angle, influences heat exchange cooling effect, and
Cooling jacket and combustion chamber pipe temperature are uneven, so as to cause cracking, cavitation.
The content of the invention
The invention provides a kind of water cooled pipeline structure, to reduce the heat exchanging corner in water cooling heat transfer process so that cooling
Water jacket and combustion chamber pipe temperature are more uniformly distributed, so as to improve heat exchange cooling effect, and reduce pipeline cracking, the hair of cavitation erosion situation
It is raw.
To reach above-mentioned purpose, the present invention provides following technical scheme：
A kind of water cooled pipeline structure, including outer barrel and the double-skin duct of inner cylinder formation, and it is arranged at double-skin duct two ends
Water inlet pipe, outlet pipe and two conduit couplings, wherein, gap between the outer barrel and inner cylinder and water inlet pipe, outlet pipe
Constitute in heat exchanger channels, the heat exchanger channels and be provided with air guide.
Optionally, the air guide includes multiple intervals and the annular baffle being staggered, i.e., two neighboring annulus
Shape baffle plate is individually fixed in outer barrel or inner cylinder barrel.
Optionally, the air guide is screw type flow guide bar.
Further, the screw type flow guide bar section is equal between the outer barrel and inner cylinder barrel for circular and section radius
Away from.
Further, the water inlet pipe and outlet pipe are respectively arranged at the lateral surface at the outer barrel two ends.
Further, the water inlet pipe and outlet pipe and outer barrel axis direction are in 40~60 degree, and the water inlet pipe with go out
The axis of water pipe is just to the conduit coupling.
Further, the water inlet pipe and outlet pipe are welded with outer barrel.
Further, the conduit coupling is flange connector.
Further, the water inlet pipe sectional area is more than the outlet pipe sectional area.
Further, the material of the inner cylinder and air guide is stainless steel.
Using water cooled pipeline structure provided in an embodiment of the present invention, gap and water inlet pipe, water outlet between outer barrel and inner cylinder
Pipe constitutes and air guide is provided with heat exchanger channels, and heat exchanger channels, the heat exchanging fluid in air guide guiding heat exchanger channels
(generally water) specification flowing, so as to reduce the heat exchanging corner in water cooling heat transfer process so that cooling jacket and combustion chamber pipeline
Temperature is more uniformly distributed, and improves water cooling heat exchange cooling effect, and reduce the occurrence of pipeline cracking, cavitation erosion.
Brief description of the drawings
Fig. 1 is the structural representation of water cooled pipeline structure provided in an embodiment of the present invention；
The structural representation for the water cooled pipeline structure that Fig. 2 provides for a specific embodiment of the invention；
The structural representation for the water cooled pipeline structure that Fig. 3 provides for another specific embodiment of the present invention；
The air guide schematic diagram for the water cooled pipeline structure that Fig. 4 provides for another specific embodiment of the present invention.
Reference：
1- outer barrels
2- inner cylinders
3- water inlet pipes
4- outlet pipes
5- conduit couplings
6- air guides
12- heat exchanger channels
61- annular baffles
62- screw type flow guide bars
Embodiment
To reduce the heat exchanging corner in water cooling heat transfer process so that cooling jacket and combustion chamber pipe temperature are more uniformly distributed,
So as to improve heat exchange cooling effect, and the occurrence of pipeline cracking, cavitation erosion is reduced, the embodiments of the invention provide a kind of water cooling
Pipeline configuration.To make the object, technical solutions and advantages of the present invention clearer, further is made to the present invention by the following examples
Describe in detail.
With reference to Fig. 1, Fig. 2 and Fig. 3, water cooled pipeline structure provided in an embodiment of the present invention, including outer barrel 1 and inner cylinder 2 are formed
Double-skin duct, and be arranged at the water inlet pipe 3, outlet pipe 4 and two conduit couplings 5 at double-skin duct two ends, wherein, outer barrel
Gap between 1 and inner cylinder 2 is constituted in heat exchanger channels 12, heat exchanger channels 12 with water inlet pipe 3, outlet pipe 4 is provided with water conservancy diversion structure
Part 6.
Water cooled pipeline structure provided in an embodiment of the present invention, gap and water inlet pipe, outlet pipe structure between outer barrel and inner cylinder
The heat exchanging fluid specification in air guide, air guide guiding heat exchanger channels is provided with into heat exchanger channels, and heat exchanger channels
Flowing, so as to reduce the heat exchanging corner in water cooling heat transfer process so that cooling jacket and combustion chamber pipe temperature are more uniformly distributed, and are carried
High water cooling heat exchange cooling effect, and reduce the occurrence of pipeline cracking, cavitation erosion.
Wherein, heat exchanging fluid flows in heat exchanger channels and the mesh that heat exchange reaches water cooling heat exchange is carried out between inner tube wall
's.The selection of heat exchanging fluid is the fluent material with larger specific heat capacity, including water, oil or the explosive liquid of non-flammable such as mercury.Examine
Consider heat endurance, specific heat capacity, obtain the factors such as complexity, cost, the embodiment of the present invention is preferred to use water and flowed as heat exchange
Body.
In a specific embodiment of the invention, as shown in Fig. 2 what the water cooled pipeline structure was formed including outer barrel 1 and inner cylinder 2
Double-skin duct, and the water inlet pipe 3, outlet pipe 4 and two conduit couplings 5 at double-skin duct two ends are arranged at, wherein, outer barrel 1
Gap between inner cylinder 2 is constituted in heat exchanger channels 12, heat exchanger channels 12 with water inlet pipe 3, outlet pipe 4 is provided with air guide
6.Air guide 6 in the heat exchanger channels 12 of water cooled pipeline structure includes multiple intervals and the annular baffle 61 being staggered,
Two neighboring annular baffle 61 is individually fixed in outer barrel 1 or the barrel of inner cylinder 2.The multiple annular baffles for being spaced and being staggered
So that heat exchanging fluid can meet with obstruction when flowing in heat exchanger channels, so that promote the flowing of heat exchanging fluid, can only be from circle
Gap between ring baffle and outer barrel or inner cylinder barrel passes through, and the turbulization in heat exchanger channels so that heat exchanger channels
Interior heat exchanging fluid is all circulated, so as to improve heat exchange cooling effect, and reduces the occurrence of pipeline cracking, cavitation erosion.Separately
On the one hand, the also covert area of dissipation for improving heat exchanging fluid when carrying out heat exchange of annular baffle, further improves and changes
Hot cooling effectiveness.Cavitation erosion be also known as cavitation corrosion, be fluid under the conditions of flow at high speed and pressure change, the metal surface contacted with fluid
Occurs the phenomenon of cavernous corrosion failure.
In the specific embodiment of the invention, with reference to Fig. 2, water inlet pipe 3 and outlet pipe 4 are preferably respectively arranged at outer barrel 1
The lateral surface at two ends.Water inlet and delivery port are arranged at outer barrel two ends, enable to water inlet to enter the heat exchange stream of heat exchanger channels
Body flows through the exhausted big section body between water inlet pipe and outlet pipe, so as to improve heat exchange efficiency；Water inlet and delivery port are arranged at outer
Cylinder lateral surface can be away from this heat exchange interface of inner cylinder barrel, so that smooth when ensureing heat exchanging fluid turnover heat exchanger channels.Enter
One step, with reference to Fig. 2, water inlet pipe 3 and outlet pipe 4 are in 40~60 degree with the axis direction of outer barrel 1, and water inlet pipe 3 and outlet pipe 4
Axis is just to conduit coupling 5.This be configured to cause water inlet heat exchanging fluid enter heat exchanger channels when directly through punching
Brush conduit coupling, so that the temperature of the conduit coupling at water cooled pipeline structure and two ends is greatly lowered, and changing at two ends
The turbulent flow of some strength is produced at hot fluid dead angle, so as to improve heat exchange cooling effect.
In another specific embodiment of the present invention, as shown in figure 3, the water cooled pipeline structure includes outer barrel 1 and inner cylinder 2 is formed
Double-skin duct, and be arranged at the water inlet pipe 3, outlet pipe 4 and two conduit couplings 5 at double-skin duct two ends, wherein, outer barrel
Gap between 1 and inner cylinder 2 is constituted in heat exchanger channels 12, heat exchanger channels 12 with water inlet pipe 3, outlet pipe 4 is provided with water conservancy diversion structure
Part 6.The air guide 6 is screw type flow guide bar 62.Screw type flow guide bar cooks up changing for screw type in heat exchanger channels
Zone of heat liberation, so that the heat exchanging fluid regularly fluid interchange in heat exchanger channels, so as to improve heat exchange efficiency.It is another
Aspect, the also covert area of dissipation for improving heat exchanging fluid when carrying out heat exchange of screw type flow guide bar, further improves and changes
Hot cooling effectiveness.
In another preferred embodiment of the invention, as shown in Figure 3 and Figure 4, the section of screw type flow guide bar 62 to be circular and
Section radius are equal to outer barrel 1 and the barrel spacing of inner cylinder 2.Gap between outer barrel and inner cylinder is filled up completely with by spiral stream guidance bar, from
And increase heat exchanging fluid flowing pressure and flowing velocity, further improve heat exchange efficiency.
Further, with reference to Fig. 3, water inlet pipe 3 and outlet pipe 4 are preferably respectively arranged to the lateral surface at the two ends of outer barrel 1.
Water inlet and delivery port are arranged at outer barrel two ends, enable to water inlet enter heat exchanger channels heat exchanging fluid flow through water inlet pipe and
Exhausted big section body between outlet pipe, so as to improve heat exchange efficiency；Water inlet and delivery port are arranged at outer barrel lateral surface can be remote
From this heat exchange interface of inner cylinder barrel, so that smooth when ensureing heat exchanging fluid turnover heat exchanger channels.It is also preferable with reference to Fig. 3
Water inlet pipe 3 and outlet pipe 4 and the axis direction of outer barrel 1 are in 40~60 degree, and the axis of water inlet pipe 3 and outlet pipe 4 just connects to pipeline
Fitting 5.This be configured to so that water inlet heat exchanging fluid when entering heat exchanger channels directly through washing away conduit coupling, from
And the temperature of the conduit coupling at water cooled pipeline structure and two ends is greatly lowered, and produced at the heat exchanging fluid dead angle at two ends
The turbulent flow of some strength, so as to improve heat exchange cooling effect.
In still another embodiment of the present invention, water inlet pipe and outlet pipe are welded with outer barrel.Water inlet pipe and outlet pipe are equal
Welded with outer barrel and ensure that the good interior air-tightness of heat exchanger channels, and prevent water inlet pipe and outlet pipe and the angle of outer barrel axial direction
Angle produces change influence heat exchange efficiency.Further, preferred water inlet pipe sectional area is more than the water outlet in the embodiment of the present invention
Tube section is accumulated.So due to forming throttle effect at the outlet pipe mouth of pipe, heat exchanging fluid is contributed to be full of whole heat exchanger channels.This
Heat exchanging fluid in inventive embodiments is also preferably by the way of recycling, i.e., outside the heat exchanging fluid warp that outlet pipe flows out
Water inlet pipe recycling can be put into after boundary's cooling again, so as to reduce the loss of heat exchanging fluid, reduce cost.
Each part material in the embodiment of the present invention not to water cooled pipeline structure is specifically limited.In view of each part
Heat endurance, specific heat capacity, the material for obtaining the factors such as complexity, cost, the preferred inner cylinder of the embodiment of the present invention and air guide
For stainless steel.The particular type and material of conduit coupling are not defined in the embodiment of the present invention.With reference to Fig. 1, pipeline connects
Fitting is preferably flange connector.Its material is preferably also stainless steel.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the embodiment of the present invention
Bright spirit and scope.So, if these modifications and variations of the present invention belong to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of water cooled pipeline structure, it is characterised in that the double-skin duct including outer barrel and inner cylinder formation, and it is arranged at bilayer
Water inlet pipe, outlet pipe and two conduit couplings of pipe ends, wherein, gap and water inlet between the outer barrel and inner cylinder
Pipe, outlet pipe constitute in heat exchanger channels, the heat exchanger channels and are provided with air guide.
2. water cooled pipeline structure according to claim 1, it is characterised in that the air guide includes multiple intervals and friendship
The annular baffle that mistake is set, two neighboring annular baffle is individually fixed in outer barrel or inner cylinder barrel.
3. water cooled pipeline structure according to claim 1, it is characterised in that the air guide is screw type flow guide bar.
4. water cooled pipeline structure according to claim 3, it is characterised in that the screw type flow guide bar section to be circular and
Section radius are equal to the outer barrel and inner cylinder barrel spacing.
5. according to water cooled pipeline structure according to any one of claims 1 to 4, it is characterised in that the water inlet pipe and water outlet
Pipe is respectively arranged at the lateral surface at the outer barrel two ends.
6. water cooled pipeline structure according to claim 5, it is characterised in that the water inlet pipe and outlet pipe and outer barrel axis
Direction be in 40~60 degree, and the water inlet pipe and outlet pipe axis just to the conduit coupling.
7. water cooled pipeline structure according to claim 6, it is characterised in that the water inlet pipe and outlet pipe are welded with outer barrel
Connect.
8. water cooled pipeline structure according to claim 7, it is characterised in that the conduit coupling is flange connector.
9. water cooled pipeline structure according to claim 8, it is characterised in that the water inlet pipe sectional area is more than the water outlet
Tube section is accumulated.
10. water cooled pipeline structure according to claim 9, it is characterised in that the material of the inner cylinder and air guide is
Stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324746.1A CN107023398A (en) | 2017-05-10 | 2017-05-10 | A kind of water cooled pipeline structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324746.1A CN107023398A (en) | 2017-05-10 | 2017-05-10 | A kind of water cooled pipeline structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107023398A true CN107023398A (en) | 2017-08-08 |
Family
ID=59529698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324746.1A Pending CN107023398A (en) | 2017-05-10 | 2017-05-10 | A kind of water cooled pipeline structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107023398A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576504A (en) * | 2017-09-25 | 2018-01-12 | 上海泛智能源装备有限公司 | A kind of combustor test equipment and its measurement pipeline section |
| CN107606971A (en) * | 2017-10-26 | 2018-01-19 | 江苏鑫贝诺冶金机械有限公司 | A kind of water cooling tube |
| CN108223093A (en) * | 2017-12-08 | 2018-06-29 | 中国北方发动机研究所(天津) | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
| CN108656726A (en) * | 2018-05-16 | 2018-10-16 | 重庆海派环保包装有限公司 | A kind of printing machine with drying unit |
| CN112431994A (en) * | 2020-11-13 | 2021-03-02 | 湖北烽火平安智能消防科技有限公司 | Pipeline connecting equipment |
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Patent Citations (7)
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| US5518697A (en) * | 1994-03-02 | 1996-05-21 | Catalytica, Inc. | Process and catalyst structure employing intergal heat exchange with optional downstream flameholder |
| CN1305580A (en) * | 1998-06-18 | 2001-07-25 | 3M创新有限公司 | Microchanneled heat exchanger |
| CN102213445A (en) * | 2010-04-06 | 2011-10-12 | 燃气涡轮效率瑞典Ab公司 | Angled seal cooling system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107576504A (en) * | 2017-09-25 | 2018-01-12 | 上海泛智能源装备有限公司 | A kind of combustor test equipment and its measurement pipeline section |
| CN107606971A (en) * | 2017-10-26 | 2018-01-19 | 江苏鑫贝诺冶金机械有限公司 | A kind of water cooling tube |
| CN108223093A (en) * | 2017-12-08 | 2018-06-29 | 中国北方发动机研究所(天津) | A kind of shipboard helicla flute flow-guiding type water channel interlayer smoke exhaust pipe heat insulation structural |
| CN108656726A (en) * | 2018-05-16 | 2018-10-16 | 重庆海派环保包装有限公司 | A kind of printing machine with drying unit |
| CN112431994A (en) * | 2020-11-13 | 2021-03-02 | 湖北烽火平安智能消防科技有限公司 | Pipeline connecting equipment |
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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 | ||
| CB02 | Change of applicant information |
Address after: 201306 101 new office building, A, 7 new industrial park, Shanghai, Pudong New Area, 600 new Yuan South Road, Pudong New Area. Applicant after: New Austrian energy power technology (Shanghai) Co., Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Applicant before: Shanghai wisdom energy equipment Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |
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| RJ01 | Rejection of invention patent application after publication |