CN109605713A - A kind of pipeline cooling device - Google Patents
A kind of pipeline cooling device Download PDFInfo
- Publication number
- CN109605713A CN109605713A CN201811626009.8A CN201811626009A CN109605713A CN 109605713 A CN109605713 A CN 109605713A CN 201811626009 A CN201811626009 A CN 201811626009A CN 109605713 A CN109605713 A CN 109605713A
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- Prior art keywords
- circular passage
- pipeline
- pipe
- cooling device
- end seal
- Prior art date
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- 238000001816 cooling Methods 0.000 title claims abstract description 69
- 239000002826 coolant Substances 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 30
- 230000000694 effects Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000008646 thermal stress Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Abstract
The invention discloses a kind of pipeline cooling devices.Described device includes the ejiction opening for the inside circumferential surface for entering pipe, circular passage and circular passage being arranged in, the circular passage is set there are two end seal curved surface, the outer circumferential surface that circular passage is set into pipe, opposite with the position of two end seal curved surfaces, the diameter of circular passage is gradually reduced from into pipe to end seal curved surface.There are two end seal curved surfaces for the circular passage tool of device of the present invention, wherein enter pipe only one, and the opposite position in gap of two end seal curved surfaces formation is set, and the diameter of circular passage is gradually scaled to end seal curved surface from pipe is entered, it ensure that the amount of the cooling medium that all ejiction openings spray and rate all, to achieve the effect that uniform cooling pipe, it reduces because of circumferential strain and thermal stress caused by uneven in temperature, and then improve the strength and stiffness of pipeline significantly, while being also obviously improved the relaxation shrinkage of pipeline in the longitudinal direction.
Description
Technical field
The present invention relates to pipeline cooling technology field is squeezed out, more particularly, to a kind of pipeline cooling device.
Background technique
Pipeline generallys use heating, extrusion, cooling and shaping in process of production, is very important ring wherein being cooled and shaped
Section.The currently used type of cooling is one cold water pipe of setting at pipeline extrusion, directlys adopt spray cold water and is cooled down,
Or rag dispersing water flow is utilized in the outlet of cold water pipe, water flow greater area of can be sprayed on pipeline, but this side
Formula one side is that water consumption is more, is on the other hand that tube-cooled is uneven, is easily reduced the quality of pipeline.It is another common
Mode be extrusion peripheral ring around setting one cooling-part, surround extrusion, but the cooling velocity of this mode compared with
Slowly, cooling effect can not equally be reached well.
In order to which pipeline can uniformly, quickly be cooled down, patent 201610679407.0 provides a kind of melt extruder
Comprehensive cooling device, it includes there is a circular passage, the inside circumference in circular passage uniformly distributed jet pipe, multiple
Jet pipe can spray cooling medium simultaneously, to guarantee the uniform cooling of pipeline.Compared to directly spray cold water or extrusion
Peripheral ring is cooled down around setting cooling-part, and the cooling device which provides can allow uniform the one of tube-cooled really
A bit, but the diameter of the circular passage be it is constant, i.e. the thickness of circular passage be it is identical, be additionally provided with 2 into gas water
Mouthful, hydraulic pressure is greater than the spray column far from air inlet/mouth of a river position, and spray column in this way in the spray column close to air inlet/mouth of a river position
Diameter from air inlet/mouth of a river its successively increase, in this way, then cause close to the spray column of air inlet/mouth of a river position and remote
It is bigger from the differential water pressures in the spray column of air inlet/mouth of a river position, the amount for the cooling medium that the spray column close to air inlet/mouth of a river position sprays
Faster with rate, cooling faster close to the pipeline location of these spray columns, and the ejection of the spray column far from air inlet/mouth of a river position is cold
But the speed that medium is less, sprays is also relatively slow, and the pipeline location close to these spray columns is then cooling relatively slow, cold so as to cause pipeline
Uneven.In addition, the outlet of spray column is to will lead to the drop that cooling medium sprays rate in this way in horn-like in its cooling device
It is low, reduce the speed of tube-cooled.
Therefore, although cooling device rubber and directly spray cold water or extrusion that patent 201610679407.0 provides
Peripheral ring around setting cooling-part method can more uniform cooling pipe, but still Shortcomings cause pipeline cold
But effect reduces, and limits the application of its own.
Summary of the invention
It is an object of the invention to the cold of spray column ejection each in the cooling device provided for patent 201610679407.0
But the amount and rate of medium are inconsistent, and cooling medium sprays the lower defect of rate and deficiency, provide a kind of tube-cooled dress
It sets.Amount and rate in order to guarantee cooling medium that all cooling medium ejiction opening sprays is all identical, cooling device of the present invention
Circular passage set there are two end seal curved surface, and be only arranged a cooling medium enters pipe, and wherein enters pipe and two
The interstitial site that a end seal curved surface is formed is opposite, the diameter of circular passage from into pipe to end seal curved surface gradually press than
Example reduces, to guarantee the amount of cooling medium that all ejiction openings spray and rate all, to reach uniform cooling pipe
Effect is reduced because of circumferential strain and thermal stress caused by uneven in temperature, to improve the strength and stiffness of pipeline significantly, simultaneously
Also it is obviously improved the relaxation shrinkage of pipeline in the longitudinal direction.In addition, ejiction opening is also set to cone-shaped by the present invention, i.e. ejiction opening
The inlet diameter that outlet diameter is less than ejiction opening improves the cooling rate of pipeline to increase the flow rate of cooling medium.
Above-mentioned purpose of the invention is achieved by following scheme:
A kind of pipeline cooling device, including entering pipe, circular passage and the ejiction opening that circular passage inside circumferential surface is arranged in,
The circular passage is set there are two end seal curved surface, the outer circumferential surface that circular passage is arranged in into pipe, and with
The position of two end seal curved surfaces is opposite, and the diameter of circular passage is gradually uniformly reduced from into pipe to end seal curved surface.
By gradually uniformly reducing the diameter of circular passage from into pipe to end seal curved surface, and circular passage is equipped with
Two end seal curved surfaces, this ensures that cooling medium is after flowing into circular passage, the everywhere in circular passage
Pressure is all identical, thus ensure that amount that cooling medium is sprayed from each ejiction opening and rate be it is identical, in turn
So that the cooling of pipeline is more uniform.
Preferably, the end seal curved surface is hemisphere face.Tip designs at the two of circular passage are become into special song
Face is, without leading to turbulent flow, will not to lead to distance to guarantee that ejiction opening can be flowed back into after cooling medium enters circular passage
Into pipe, there are pressure differences between cooling medium in different ejiction openings, to ensure that the cooling that each ejiction opening sprays
The amount and rate of medium are all identical.
Preferably, the reduction ratio of circular passage radius is between 0.05~0.3.Circular pipe that radius uniformly reduces or
Person circular passage, the reduction ratio mode of radius are as follows: pipeline or the starting end radius r in channelBeginningWith end rEndDifference with
rBeginningRatio, i.e.,。
This diminution ratio is set, is exactly the flowing in order to enable water is influenced minimum by reduced radius during the motion
Steadily, flow velocity, water pressure energy smooth change.Because according to fluid mechanics principle, flow section reduces, and speed inevitably enlarges, so
Need to control the change rate of speed increase.By this ratio setting, change rate constant variation can be made, so that will not be because of speed
Degree increases suddenly or drops suddenly and occur flowing unstable.
Preferably, the ejiction opening is equipped with 6.
Preferably, the ejiction opening is arranged in the inside circumferential surface of circular passage, among two neighboring ejiction opening, near
It is 68~80 degree that proximal end, which seals two adjacent ejiction opening symmetry axis of curved surface and the angle of circular passage circle center line connecting, near
The angle of two adjacent ejiction opening symmetry axis and circular passage circle center line connecting is 40~60 degree, remaining two neighboring ejiction opening and ring
The angle of shape channel circle center line connecting is equal.
Preferably, the ejiction opening is tapered, reduces from input end to the uniform diameter of outlet end, and reduction ratio is
0.05~0.3.When ejiction opening taper (as horn-like), the diameter of outlet end is greater than input end, then cooling medium
Into after ejiction opening, flow rate be it is slower and slower, cooling medium spray rate will reduce, influence the cooling of pipeline
Rate.And ejiction opening is designed to taper, so that the diameter of outlet end is less than input end, then cooling medium enters ejiction opening
Afterwards, flow rate is then getting faster, and cooling medium can be quickly sprayed on pipeline, can accelerate the cooling of pipeline
Rate.
Preferably, the pipe that enters is being additionally provided with valve far from circular passage one end.
Preferably, it is described into pipe far from circular passage one end be hickey or card interface.
The cooling device is equipped with hickey or card interface, then is convenient for depositing hiding with tap or other cooling mediums
The exit seal of device connects or disassembly, convenient for operation.Valve is equipped on entering pipe simultaneously convenient for controlling cooling medium at any time
Flow velocity.
Preferably, the line angle in the vertex of two end seal curved surfaces and the circular passage center of circle is 5~18 degree.
Pipeline cooling device of the present invention is suitable for the cooling and shaping process of any extrusion pipeline in process of production, will
Pipeline cooling device is installed at pipeline extrusion, and is connected by depositing hiding device with tap or other cooling mediums into pipe,
And the valve by entering on pipe controls the flow velocity that cooling medium flows into circulating line, before pipeline is by pipeline cooling device i.e.
Start spraying cooling medium, then after pipeline squeezes out, cooling medium can be uniformly sprayed on pipeline, guarantee that pipeline is quickly and uniform
Cooling.
Preferably, but the pipeline cooling device one or more use simultaneously.
Preferably, the entrance pipe and horizontal plane of the pipeline cooling device, and it is located at the top of pipeline.
Compared with prior art, the invention has the following advantages:
Circular passage of the present invention is arranged to enter pipe of the tool there are two end seal curved surface and cooling medium, and will be into
Enter the opposite position in gap that the formation of two end seal curved surfaces is arranged in pipe, the diameter of annular passage is from entering Guan Zhimo
End sealing curved surface is gradually scaled, thus ensure that the amount of the cooling medium that all ejiction openings spray and rate all,
To achieving the effect that uniform cooling pipe, reduce because of circumferential strain and thermal stress caused by uneven in temperature, thus significantly
Improve the strength and stiffness of pipeline, while being also obviously improved the relaxation shrinkage of pipeline in the longitudinal direction.
Further, ejiction opening is also set to cone-shaped by the present invention, i.e. the outlet diameter of ejiction opening is less than ejiction opening
Inlet diameter improve the cooling rate of pipeline to increase the flow rate of cooling medium.
Detailed description of the invention
Fig. 1 is the structural upright schematic diagram of cooling device in embodiment 1.
Fig. 2 is the planar structure schematic diagram of cooling device in embodiment 1.
Fig. 3 is the structural upright schematic diagram of cooling device in embodiment 1.
Specific embodiment
The present invention is made combined with specific embodiments below and further being elaborated, the embodiment is served only for explaining this
Invention, is not intended to limit the scope of the present invention.Test method as used in the following examples is normal unless otherwise specified
Rule method；Used material, reagent etc., unless otherwise specified, for the reagent and material commercially obtained.
Embodiment 1
A kind of pipeline cooling device, structure is as shown in Figure 1, include into pipe 1, circular passage 2 and being arranged in circular passage 2
The ejiction opening 3 of side circumferential surface, circular passage 2 are set there are two end seal curved surface, and the outer of circular passage 2 is arranged in into pipe 1
Side circumferential surface, opposite with the position of two end seal curved surfaces, the diameter of circular passage 2 is from pipe 1 is entered to end seal song
Face gradually uniformly reduces.
By the way that the diameter of circular passage 2 to be gradually reduced from into pipe 1 to end seal curved surface, and circular passage 2 is equipped with
Two end seal curved surfaces, this ensures that cooling medium is after flowing into circular passage 2, cooling medium is in circular passage 2
The pressure of middle everywhere is all identical, to ensure that amount that cooling medium is sprayed from each ejiction opening 3 and rate is
It is identical, so that the cooling of pipeline is more uniform.
End seal curved surface is that end seal curved surface is hemisphere face.Tip designs at the two of circular passage 2 are become special
Curved surface, be that, without leading to turbulent flow, will not be led to guarantee that ejiction opening 3 can be flowed back into after cooling medium enters circular passage 2
Causing distance to enter pipe, there are pressure differences between cooling medium in different ejiction openings, to ensure that each ejiction opening sprays
Cooling medium amount and rate be all identical.
The reduction ratio of end seal curved surface is between 0.05~0.3.The circular pipe or annular that radius uniformly reduces
Channel, the reduction ratio mode of radius are as follows: pipeline or the starting end radius r in channelBeginningWith end rEndDifference and rBeginningRatio
Value, i.e.,.This diminution ratio is set, exactly in order to enable water is contracted during the motion
Small influence is minimum, and flowing is steady, flow velocity, water pressure energy smooth change.Because according to fluid mechanics principle, flow section reduces,
Speed inevitably enlarges, so needing to control the change rate of speed increase.By this ratio setting, the constant change of change rate can be made
Change, so that will not increase suddenly because of speed or occur flowing due to drop suddenly unstable.
Ejiction opening 3 is equipped with 6, and the inside circumferential surface of circular passage 2, two neighboring ejection is arranged in 6 ejiction openings 3
Among mouth 3, the angle near two adjacent 3 symmetry axis of ejiction opening and 2 circle center line connecting of circular passage of end seal curved surface is
68~80 degree, the angle near two adjacent 3 symmetry axis of ejiction opening and 2 circle center line connecting of circular passage is 40~60 degree, remaining
Two neighboring ejiction opening 3 is equal with the angle of 2 circle center line connecting of circular passage.
Ejiction opening 3 is tapered, reduces from input end to the uniform diameter of outlet end, and reduction ratio is 0.05~0.3.When
When ejiction opening taper (as horn-like), the diameter of outlet end is greater than input end, then after cooling medium enters ejiction opening,
Its flow rate be it is slower and slower, cooling medium spray rate will reduce, influence the cooling rate of pipeline.And it will spray
Mouth is designed to taper, so that the diameter of outlet end is less than input end, then after cooling medium enters ejiction opening, flow rate
It is then getting faster, cooling medium can be quickly sprayed on pipeline, and the cooling rate of pipeline can be accelerated.
Valve 21 is being additionally provided with far from 2 one end of shape channel into pipe 1.
Into pipe 1 far from shape channel 2 one end be hickey or card interface.
Cooling device is equipped with hickey or card interface, then hides device convenient for depositing with tap or other cooling mediums
Exit seal connection or disassembly, convenient for operation.Valve 21 is equipped on entering pipe 1 simultaneously convenient for controlling the stream of cooling medium at any time
Speed.
The vertex of 2 end seal curved surfaces and the line angle in 2 center of circle of circular passage are 5~18 degree.
The pipeline cooling device of the present embodiment is suitable for the cooling and shaping process of any extrusion pipeline in process of production, will
Pipeline cooling device is installed at pipeline extrusion, and is connected by depositing hiding device with tap or other cooling mediums into pipe,
And the valve by entering on pipe controls the flow velocity that cooling medium flows into circulating line, before pipeline is by pipeline cooling device i.e.
Start spraying cooling medium, then after pipeline squeezes out, cooling medium can be uniformly sprayed on pipeline, guarantee that pipeline is quickly and uniform
Cooling.
But one or more is used pipeline cooling device simultaneously, during use, in order to avoid cooling medium by
To the influence of gravity, pipeline cooling device is entered into pipe and horizontal plane, and be located at the top of pipeline.In this way, then can be
During use, the influence of gravity is avoided, and guarantees cooling medium and sprays more uniform.
Circular passage 2 is arranged to tool there are two end seal curved surface by the present embodiment, and the entrance of a cooling medium is arranged
Pipe 1, and the opposite position in gap that will the formation of two end seal curved surfaces be set into pipe 1, and by the diameter of circular passage 2
From entering, pipe is gradually scaled to end seal curved surface, to ensure that the amount for the cooling medium that all ejiction openings 3 spray
With rate all, to reach the uniform effect of tube-cooled, reduce because circumferential strain caused by uneven in temperature and heat are answered
Power to improve the strength and stiffness of pipeline significantly, while also significantly improving the relaxation shrinkage of pipeline in the longitudinal direction.
Ejiction opening 3 is also set to cone-shaped, i.e. import of the outlet diameter of ejiction opening less than ejiction opening by the present embodiment
Diameter improves the cooling rate of pipeline to increase the flow rate of cooling medium.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of shield range can also be made on the basis of above description and thinking for those of ordinary skill in the art
Other various forms of variations or variation, there is no necessity and possibility to exhaust all the enbodiments.It is all of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the claims in the present invention within spirit and principle
Within the scope of.
Claims (10)
1. a kind of pipeline cooling device, including entering pipe (1), circular passage (2) and the inside circumference in circular passage (2) being arranged
The ejiction opening (3) on surface, which is characterized in that the circular passage (2) sets there are two end seal curved surface, and (1) is managed in the entrance
Outer circumferential surface in circular passage (2) is set, it is opposite with the position of two end seal curved surfaces, circular passage (2) it is straight
Diameter is gradually uniformly reduced from into pipe (1) to end seal curved surface.
2. pipeline cooling device according to claim 1, which is characterized in that the end seal curved surface is hemisphere face.
3. pipeline cooling device according to claim 1, which is characterized in that the reduction ratio of circular passage (2) pipe radius
Between 0.05~0.3.
4. pipeline cooling device according to claim 1, which is characterized in that the ejiction opening (3) is equipped with 6.
5. pipeline cooling device according to claim 4, which is characterized in that the ejiction opening (3) is arranged in circular passage (2)
Inside circumferential surface, among two neighboring ejiction opening, near two adjacent ejiction opening (3) symmetry axis of end seal curved surface
Angle with circular passage (2) circle center line connecting is 68~80 degree, near two adjacent ejiction opening (3) symmetry axis and circular passage
(2) angle of circle center line connecting is 40~60 degree, the angle of remaining two neighboring ejiction opening (3) and circular passage (2) circle center line connecting
It is equal.
6. pipeline cooling device according to claim 4, which is characterized in that the ejiction opening (3) is tapered, from input end to
The uniform diameter of outlet end reduces, and reduction ratio is 0.05~0.3.
7. pipeline cooling device according to claim 1, which is characterized in that the pipe (1) that enters is far from shape channel (2) one
End is additionally provided with valve (21)；The described one end for managing (1) in separate circular passage (2) that enters is hickey or card interface.
8. pipeline cooling device according to claim 1, which is characterized in that the vertex of 2 end seal curved surfaces and annular are logical
The line angle in road (2) center of circle is 5~18 degree.
9. the application method of any pipeline cooling device of claim 1~8, which is characterized in that fill the tube-cooled
It sets and is mounted at extrusion, and be connected by depositing hiding device with cooling medium into pipe, pass through the pipeline cooling device in pipeline
It is preceding to start spraying cooling medium；But the pipeline cooling device one or more use simultaneously.
10. application method according to claim 9, which is characterized in that the pipeline cooling device enters pipe (1) and level
Face is vertical, and is located at the top of pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626009.8A CN109605713A (en) | 2018-12-28 | 2018-12-28 | A kind of pipeline cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811626009.8A CN109605713A (en) | 2018-12-28 | 2018-12-28 | A kind of pipeline cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109605713A true CN109605713A (en) | 2019-04-12 |
Family
ID=66015297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811626009.8A Withdrawn CN109605713A (en) | 2018-12-28 | 2018-12-28 | A kind of pipeline cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109605713A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203245206U (en) * | 2013-05-23 | 2013-10-23 | 宁波市煌家铝业有限公司 | Pipe section water cooling device |
| CN104741394A (en) * | 2013-12-26 | 2015-07-01 | 宝山钢铁股份有限公司 | Cooling device for generating flat spraying jet |
| CN204470283U (en) * | 2015-01-08 | 2015-07-15 | 长沙山水节能研究院有限公司 | Roll rolipass design sparge pipe |
| CN104801546A (en) * | 2015-01-08 | 2015-07-29 | 长沙山水节能研究院有限公司 | Multiphase cooling method for roller |
| CN105758214A (en) * | 2016-03-25 | 2016-07-13 | 北京航天长征飞行器研究所 | Large-temperature-difference water spray cooling device capable of bearing ultra-high temperature |
| CN106273346A (en) * | 2016-08-18 | 2017-01-04 | 娄土岭 | The comprehensive chiller of melt extruder |
| CN209649431U (en) * | 2018-12-28 | 2019-11-19 | 广东联塑科技实业有限公司 | A kind of pipeline cooling device |
-
2018
- 2018-12-28 CN CN201811626009.8A patent/CN109605713A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203245206U (en) * | 2013-05-23 | 2013-10-23 | 宁波市煌家铝业有限公司 | Pipe section water cooling device |
| CN104741394A (en) * | 2013-12-26 | 2015-07-01 | 宝山钢铁股份有限公司 | Cooling device for generating flat spraying jet |
| CN204470283U (en) * | 2015-01-08 | 2015-07-15 | 长沙山水节能研究院有限公司 | Roll rolipass design sparge pipe |
| CN104801546A (en) * | 2015-01-08 | 2015-07-29 | 长沙山水节能研究院有限公司 | Multiphase cooling method for roller |
| CN105758214A (en) * | 2016-03-25 | 2016-07-13 | 北京航天长征飞行器研究所 | Large-temperature-difference water spray cooling device capable of bearing ultra-high temperature |
| CN106273346A (en) * | 2016-08-18 | 2017-01-04 | 娄土岭 | The comprehensive chiller of melt extruder |
| CN209649431U (en) * | 2018-12-28 | 2019-11-19 | 广东联塑科技实业有限公司 | A kind of pipeline cooling device |
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Application publication date: 20190412 |
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