CN107966048A - A kind of cooler - Google Patents
A kind of cooler Download PDFInfo
- Publication number
- CN107966048A CN107966048A CN201711095199.0A CN201711095199A CN107966048A CN 107966048 A CN107966048 A CN 107966048A CN 201711095199 A CN201711095199 A CN 201711095199A CN 107966048 A CN107966048 A CN 107966048A
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling water
- cooler
- pipe
- light pipe
- 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
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of cooler, the cooler origin inflow entrance (1), shell (2), expansion segment (3), deflection cone (4), light pipe cooling section (5), cool down light pipe (6), cool down light pipe cooling water inlet (7), cool down light pipe cooling water outlet (8), finned tube cooling section (9), cooling fins pipe (10), cooling fins pipe cooling water inlet (11), cooling fins pipe cooling water outlet (12), deflection cone cooling water outlet (13), shell cooling water outlet (14), carry out flow export (15), deflection cone cooling water inlet (16), shell cooling water inlet (17) forms, for cooling down high temperature Incoming gas.
Description
Technical field
The present invention relates to a kind of cooler, more particularly, to a kind of low flow resistance cooler of high-speed flow, suitable for incoming
For high temperature, high-speed flow, it is desirable to the low occasion of cooling device flow resistance, such as rocket engine, punching engine, aero-engine examination
Check system and ablation test system etc..
Background technology
Some rocket engines, punching engine, Aero Engine Testing system and ablation test system need to configure
Cooler, its function is to cool down high temperature, high-speed flow, to carry out subsequent treatment.Such as active Rocket ejector engine is high
Empty simulator stand, engine gas temperature set a cooling up to more than 2800K generally between diffuser and injector
Device, below 373K is reduced to by engine gas temperature, to protect upstream device, while can reduce engine gas specific volume,
Ejection system pumping load is reduced, and then reduces equipment scale and cost.
At present, common cooler has double-pipe cooler, shell-and-tube cooler, chimney cooler, panel cooler, wing
Finned pipe type cooler and strip-fin oil cooler etc..
The double-pipe cooler concentric tubes formed that are nested together by two kinds of pipes of different-diameter are formed.Stream in small pipe
A kind of fluid is crossed, the annular space formed between small circular tube external wall and big round tube inner wall flows through one other fluid.The pipe of small pipe
Wall just becomes every heat transfer wall between two fluids.If necessary to bigger heat transfer area when, can be connected with multiple casings
Get up to work, this cooler is unsuitable to apply to the larger occasion of flow.
The tube bank that shell-and-tube cooler is made of many parallel pipes is inserted into a circular cylindrical shell body and is formed.A kind of fluid
Flowed through out of pipe, one other fluid flows through in shell outside pipe.In order to ensure fluid flows into pipe, tube sheet exterior in certain sequence
There are bobbin carriage and partition plate.Many transverse baffles are also arranged in housing, to ensure that shell-side fluid is flowed transversely through outside pipe, and are had enough
Flow velocity.
Chimney cooler heat-transfer surface is that the tube bank being arranged in by many pipes by certain way is formed, and pipe both ends are connected in
On tube sheet, formed in pipe, the passage that the outer both sides of pipe separate.When having adopted the finned pipe in outside, become fin-tube type cooler,
Increase heat transfer area.
Panel cooler is stacked by a series of metal sheets parallel to each other, having corrugated surface and formed.Each heat transferring plate
The runner formed between plate is stacked in sequence, and cold and hot fluid flows in the respective runner in plate both sides, passes through plate
Piece carries out heat exchange.
Strip-fin oil cooler is that both sides are sealed with strip of paper used for sealing, form cooler between wave-shaped fins are clipped in two layers of partition plate
Elementary cell.Wave-shaped fins can be the form such as rectangle, triangle, corrugated.Many such cells overlaps are got up with regard to structure
Into strip-fin oil cooler.Adjacent cells, i.e. partition plate both sides, flow through different fluids, are passed by tablet of the both sides with fin
Pass heat.
Any of the above chiller applications are in the case that incoming is high temperature, high-speed flow, and there are problems with：
(1) cooler interior air-flow disturbance causes larger resistance；
(2) high temperature, the high-speed flow flow velocity in the middle part of cooler are very fast, and surrounding flow velocity is slower, it is impossible to make full use of heat exchange
Area；
(3) uneven heating is even in cooler, causes weld seam, stress concentration at sealing, Seepage easily occurs, causes whole
A system is not normally functioning.
The content of the invention
The technical problem to be solved in the present invention is to overcome the shortcomings of existing high temperature, high-speed flow cooling technology, there is provided one
The new cooler of kind, is especially adapted for use in rocket engine, punching engine, Aero Engine Testing system and ablation test
The incomings such as system are high temperature, high-speed gas, it is desirable to the low occasion of cooler flow resistance.
To solve the above problems, the present invention is achieved by the following scheme：Cooler origin inflow entrance, shell, expansion
Section, deflection cone, light pipe cooling section, cooling light pipe, cooling light pipe cooling water inlet, cooling light pipe cooling water outlet, finned tube are cold
But section, cooling fins pipe, cooling fins pipe cooling water inlet, cooling fins pipe cooling water outlet, deflection cone cooling water outlet, outer
Shell cooling water outlet, come flow export, deflection cone cooling water inlet, shell cooling water inlet composition, high temperature gas flow always inflow entrance
Into cooler, the always flow export outflow cooler after expansion segment, light pipe cooling section, the cooling of finned tube cooling section.Water conservancy diversion
Cone is in the middle part of cooler, and incoming is provided with cooling light pipe between deflection cone and shell and the annular space of cooling fins pipe leads to
Cross.Shell and deflection cone use interlayer water cooling form, can prevent high temperature incoming from causing ablation to wall, while to high temperature incoming
With cooling effect.
As a result of such scheme, the present invention has the following advantages that compared with prior art：
(1) setting of deflection cone makes incoming be evenly distributed, and disturbance caused by reducing circulation area increase suddenly, is conducive to
Flow resistance is reduced, and makes full use of heat exchange area, while deflection cone also has cooling effect to incoming in itself.
(2) temperature of incoming flow higher position in cooler front portion utilizes plain tube bank heat exchange structure, improves equipment resistance to elevated temperatures, has
Flow resistance is restrained beneficial to reducing；Rear portion temperature of incoming flow utilizes finned-tube bundle after reducing, improve the cooler coefficient of heat transfer, enhancing heat exchange effect
Rate, increases cooler heat exchange area in finite region.
(3) heat-exchanging tube bundle is arc-shaped that thermal stress caused by expanded by heating is smaller.
(4) water collection chamber of heat exchanger tube cooling water inlet, outlet with large volume so that each heat exchange tube inlet, outlet pressure
Poor consistent, so that heat exchanger tube cooling water flow is evenly distributed, avoiding the occurrence of local current does not cause freely overheat to produce water steaming
The problem of gas.
Brief description of the drawings
Fig. 1 is the front view (sectional view) of cooler of the present invention；
Fig. 2 is the sectional view of the line A-A along Fig. 1；
Fig. 3 is the sectional view of the line B-B along Fig. 1.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Being provided by attached drawing 1, the present invention is dividing wall type cooler, using cooling down water cooling high temperature incoming, origin inflow entrance 1,
Shell 2, expansion segment 3, deflection cone 4, light pipe cooling section 5, cooling light pipe 6, cooling light pipe cooling water inlet 7, cooling light pipe cooling
Water out 8, finned tube cooling section 9, cooling fins pipe 10, cooling fins pipe cooling water inlet 11, cooling fins pipe cooling water go out
Mouthfuls 12, deflection cone cooling water outlet 13, shell cooling water outlet 14, to come flow export 15, deflection cone cooling water inlet 16, shell cold
But water inlet 17 forms.Always inflow entrance 1 enters cooler to high temperature gas flow, cold by expansion segment 3, light pipe cooling section 5, finned tube
But always flow export flows out after section 9 cools down.Cooling water from cooling light pipe cooling water inlet 7, cooling fins pipe cooling water inlet 11,
Deflection cone cooling water inlet 16, shell cooling water inlet 17 flow into, from cooling light pipe cooling water outlet 8, the cooling of cooling fins pipe
Water out 12, deflection cone cooling water outlet 13, shell cooling water outlet 14 flow out, and for cooling down high temperature incoming, protect appts wall
Face is not ablated.
Cooler come inflow entrance 1, carry out flow export 15 can be by the forms such as welding, flanged joint and upstream and downstream equipment interconnection.
During using flanged joint form, easy to cooler dismounting, maintenance.
Expansion segment 3 plays deceleration supercharging effect for incoming, with circulation expansion area, reduces flow resistance, the angle of flare is generally
60 ° or so.
Deflection cone 4 is located in the middle part of cooler, incoming is evenly distributed, and is disturbed caused by reducing circulation area increase suddenly
It is dynamic, flow resistance is advantageously reduced, makes full use of heat exchange area.Deflection cone front cone angle is generally 30 ° or so.
Attached drawing 2 is 5 sectional view of light pipe cooling section, and light pipe cooling section 5 is located at cooler front portion, has good heat-resisting quantity
Can, advantageously reduce tube bank flow resistance.Light pipe 6 is cooled down to be arc-shaped, the thermal stress caused by expanded by heating is smaller.It is cold to cool down light pipe
But water inlet 7, cooling light pipe cooling water outlet 8 have large volume water collection chamber so that each heat exchange tube inlet, outlet pressure difference one
Cause, so that heat exchanger tube cooling water flow is evenly distributed, avoiding the occurrence of local current does not cause freely overheat to produce vapor
Problem.
Attached drawing 3 is 9 sectional view of finned tube cooling section, and finned tube cooling section 9 is located at cooler rear portion, improves cooler heat exchange
Coefficient, enhancing heat exchange efficiency, increase cooler heat exchange area in finite region.Cooling fins pipe 10 is arc-shaped, is heated
Thermal stress caused by expansion is smaller.Cooling fins pipe cooling water inlet 11, cooling fins pipe cooling water outlet 12 have larger
Volume water collection chamber so that each heat exchange tube inlet, outlet pressure difference are consistent, so that heat exchanger tube cooling water flow is evenly distributed, keep away
Exempt from the problem of local current do not cause freely overheat to produce vapor occur.
Shell 2 and deflection cone 4 use interlayer water cooling form, can prevent high temperature incoming from causing ablation to wall, while right
High temperature incoming also has cooling effect.Cooling water sandwich sets water conservancy diversion, connection structure, makes flow of cooling water uniformly and prevents by buckling
Shape.
Should first lead to cooling water before cooler of the present invention work, treat that each cooling water inlet, rate of discharge reach rated value and surely
After fixed, high temperature incoming can be passed through.
In conclusion the foregoing is merely a prefered embodiment of the invention, it is not intended to limit the scope of the present invention.
Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in the present invention's
Within protection domain.
Claims (1)
1. a kind of cooler, it is characterised in that the cooler origin inflow entrance (1), shell (2), expansion segment (3), water conservancy diversion
Bore (4), light pipe cooling section (5), cooling light pipe (6), cooling light pipe cooling water inlet (7), cooling light pipe cooling water outlet (8),
Finned tube cooling section (9), cooling fins pipe (10), cooling fins pipe cooling water inlet (11), cooling fins pipe cooling water outlet
(12), deflection cone cooling water outlet (13), shell cooling water outlet (14), come flow export (15), deflection cone cooling water inlet
(16), shell cooling water inlet (17) form, and deflection cone (4) is located in the middle part of cooler；Always inflow entrance (1) enters high temperature gas flow
Cooler, the always flow export outflow cooler after expansion segment (3), light pipe cooling section (5), finned tube cooling section (9) cooling；
Shell and deflection cone use interlayer water cooling form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095199.0A CN107966048A (en) | 2017-11-09 | 2017-11-09 | A kind of cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711095199.0A CN107966048A (en) | 2017-11-09 | 2017-11-09 | A kind of cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107966048A true CN107966048A (en) | 2018-04-27 |
Family
ID=62000877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711095199.0A Pending CN107966048A (en) | 2017-11-09 | 2017-11-09 | A kind of cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107966048A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821586A (en) * | 2019-02-21 | 2019-05-31 | 贵州大学 | The fast-speed cooling bath of experiment is quickly cooled down after metal works |
| CN112729754A (en) * | 2020-12-31 | 2021-04-30 | 北京航天益森风洞工程技术有限公司 | Cooler suitable for ultra-high temperature plasma wind tunnel |
| CN114152112A (en) * | 2020-06-02 | 2022-03-08 | 合肥通用机械研究院有限公司 | Distribution disc for high-temperature gas cooler |
| CN114413657A (en) * | 2021-12-23 | 2022-04-29 | 合肥通用机械研究院有限公司 | Matrix type high-temperature gas cooler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0168637A2 (en) * | 1984-06-14 | 1986-01-22 | Etablissement Agura | Gas-fired heater, especially a condensing heater, with a spirally formed smoke duct, method for making such a heater and heater made by such a method |
| CN1877237A (en) * | 2006-07-07 | 2006-12-13 | 济南市供水设备厂有限公司 | Tube-shell type pneumatic heat exchanger and pneumatic heat exchanger assembly |
| CN201110730Y (en) * | 2007-10-18 | 2008-09-03 | 重庆大学 | Combined heat exchanger suitable for heating high pressure gas (vapor) |
| CN101943529A (en) * | 2010-09-29 | 2011-01-12 | 西安航天华威化工生物工程有限公司 | Dry cooling device and method for high-temperature gas |
| CN205878964U (en) * | 2016-05-12 | 2017-01-11 | 江苏华能建设工程集团有限公司 | Heat exchanger for waste heat recovery |
| CN106524791A (en) * | 2016-12-22 | 2017-03-22 | 中国科学院广州能源研究所 | Three-dimensional variable-space variable-structure flue gas reheater |
-
2017
- 2017-11-09 CN CN201711095199.0A patent/CN107966048A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0168637A2 (en) * | 1984-06-14 | 1986-01-22 | Etablissement Agura | Gas-fired heater, especially a condensing heater, with a spirally formed smoke duct, method for making such a heater and heater made by such a method |
| CN1877237A (en) * | 2006-07-07 | 2006-12-13 | 济南市供水设备厂有限公司 | Tube-shell type pneumatic heat exchanger and pneumatic heat exchanger assembly |
| CN201110730Y (en) * | 2007-10-18 | 2008-09-03 | 重庆大学 | Combined heat exchanger suitable for heating high pressure gas (vapor) |
| CN101943529A (en) * | 2010-09-29 | 2011-01-12 | 西安航天华威化工生物工程有限公司 | Dry cooling device and method for high-temperature gas |
| CN205878964U (en) * | 2016-05-12 | 2017-01-11 | 江苏华能建设工程集团有限公司 | Heat exchanger for waste heat recovery |
| CN106524791A (en) * | 2016-12-22 | 2017-03-22 | 中国科学院广州能源研究所 | Three-dimensional variable-space variable-structure flue gas reheater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821586A (en) * | 2019-02-21 | 2019-05-31 | 贵州大学 | The fast-speed cooling bath of experiment is quickly cooled down after metal works |
| CN114152112A (en) * | 2020-06-02 | 2022-03-08 | 合肥通用机械研究院有限公司 | Distribution disc for high-temperature gas cooler |
| CN114152112B (en) * | 2020-06-02 | 2023-09-22 | 合肥通用机械研究院有限公司 | Distribution plate for high-temperature gas cooler |
| CN112729754A (en) * | 2020-12-31 | 2021-04-30 | 北京航天益森风洞工程技术有限公司 | Cooler suitable for ultra-high temperature plasma wind tunnel |
| CN114413657A (en) * | 2021-12-23 | 2022-04-29 | 合肥通用机械研究院有限公司 | Matrix type high-temperature gas cooler |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180427 |