CN107702557A - Cooling column and its anti-freezing structure, cooling triangle - Google Patents
Cooling column and its anti-freezing structure, cooling triangle Download PDFInfo
- Publication number
- CN107702557A CN107702557A CN201711083990.XA CN201711083990A CN107702557A CN 107702557 A CN107702557 A CN 107702557A CN 201711083990 A CN201711083990 A CN 201711083990A CN 107702557 A CN107702557 A CN 107702557A
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchanger
- exchanger tube
- cooling
- inlet header
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 76
- 238000007710 freezing Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 108010053481 Antifreeze Proteins Proteins 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/005—Auxiliary systems, arrangements, or devices for protection against freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
Abstract
The invention discloses a kind of cooling column and its anti-freezing structure, cooling triangle, the anti-freezing structure of the cooling column to include water-inlet header, and what is connected with water-inlet header enters water heat exchanger tube, the throttling passage in water-inlet header；Wherein, the actual internal area of throttling passage is less than the actual internal area into water heat exchanger tube, and enters water heat exchanger tube and connected by throttling passage with water-inlet header.In the anti-freezing structure of above-mentioned cooling column, when fluid flow to throttling passage, influenceed by actual internal area change, increase the flow velocity that fluid enters the water-inlet header, effectively reduce the difference into the flow of inlet water between water heat exchanger tube, the uniformity into water operation between water heat exchanger tube is improved, so as to reduce the probability that the tube bank of fluid icing air cooling heat radiator is freezed caused by assignment of traffic inequality, and then improves the resistance to frost of air cooling heat radiator.
Description
Technical field
The present invention relates to air cooling heat radiator freezing proof technique field, more specifically to a kind of cooling column and its anti-freeze
Structure, cooling triangle.
Background technology
At present, indirect air cooling system is widely applied in rich coal resources, the area of water resources shortage.It is indirectly empty
In cooling system, the exhaust steam of steam turbine realizes cooling in condenser by recirculated water, and heated recirculated water dissipates into air cooling
Hot device is exchanged heat with air, and the recirculated water after cooling returns condenser and continues condensing turbine exhaust steam, forms sealing and circulating.
Above-mentioned air cooling heat radiator includes some cooling triangles, and cooling triangle includes two cooling columns, and cooling column includes：Water inlet
Heat exchanger tube, go out water heat exchanger tube, fin, upper header and lower collecting box, wherein, lower collecting box includes disconnected water-inlet header and water outlet joins
Case, water-inlet header have water inlet, and going out water manifold has delivery port, and water-inlet header connects with entering water heat exchanger tube, go out water manifold with
Go out water heat exchanger tube connection, upper header connects into water heat exchanger tube and goes out water heat exchanger tube.
Recirculated water enters air cooling heat radiator, enters between water heat exchanger tube and the uneven phenomenon of assignment of traffic be present so that tube bank
The appearance flowing of heat transfer tube wall fluid slows down or the phenomenon of flow stoppage, when environment temperature is not more than 0 DEG C, because tube bank exchanges heat
Tube fluid flowing slows down or flow stoppage, and the fluid icing air cooling heat radiator tube bank being relatively easily caused in tube bank heat exchanger tube is freezed,
Tube bank heat exchanger tube is ultimately resulted in by bursting by freezing.
In summary, the probability that air cooling heat radiator tube bank is freezed how is reduced, to improve the resistance to frost of air cooling heat radiator,
It is current those skilled in the art's urgent problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of anti-freezing structure of cooling column, reduces the probability that air cooling heat radiator tube bank is freezed,
To improve the resistance to frost of air cooling heat radiator.It is a further object of the present invention to provide a kind of cooling column with above-mentioned anti-freezing structure
With a kind of cooling triangle with above-mentioned cooling column.
To achieve these goals, the present invention provides following technical scheme：
A kind of anti-freezing structure of cooling column, including water-inlet header, enter water heat exchanger tube with what the water-inlet header connected, be located at
Throttling passage in the water-inlet header；Wherein, the actual internal area of the throttling passage enters the stream of water heat exchanger tube less than described in
Logical sectional area, and it is described enter water heat exchanger tube connected by the throttling passage with the water-inlet header.
Preferably, the actual internal area of the throttling passage for it is described enter 0.6 times of actual internal area of water heat exchanger tube~
0.8 times.
Preferably, the throttling passage is formed by the pipeline of throttle pipe.
Preferably, the throttle pipe be fixed on it is described enter water heat exchanger tube.
Preferably, the throttle pipe is fixed on the water-inlet header.
Preferably, the throttle pipe is steel pipe.
Preferably, the axis of the throttling passage with it is described enter water heat exchanger tube axis collinear.
The anti-freezing structure of cooling column based on above-mentioned offer, present invention also offers a kind of cooling column, the cooling column has
The anti-freezing structure of above-mentioned any described cooling column.
Based on the cooling column of above-mentioned offer, present invention also offers one kind to cool down triangle, and the cooling triangle is cold including two
But post, and two cooling columns are above-mentioned cooling column.
The anti-freezing structure of cooling column provided by the invention, by setting throttling passage in the water-inlet header, utilize section
Circulation road is connected into water heat exchanger tube and water-inlet header, because the circulation that the actual internal area of throttling passage is less than into water heat exchanger tube is cut
Area, then after fluid flow to throttling passage, influenceed by actual internal area change, increasing fluid entrance, this enters water heat exchanger tube
Flow velocity, effectively reduce the difference into the flow of inlet water between water heat exchanger tube, improve into water operation between water heat exchanger tube
Uniformity, so as to reduce the probability that the tube bank of caused by assignment of traffic inequality fluid icing air cooling heat radiator is freezed, enter
And improve the resistance to frost of air cooling heat radiator.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention implementation
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to the accompanying drawing of offer
Obtain other accompanying drawings.
Fig. 1 is the structural representation of cooling column provided in an embodiment of the present invention；
Fig. 2 is lower collecting box in cooling column provided in an embodiment of the present invention, enters water heat exchanger tube and go out the installation diagram of water heat exchanger tube；
Fig. 3 is the part-structure schematic diagram of the anti-freezing structure of cooling column provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As Figure 1-3, the anti-freezing structure of cooling column provided in an embodiment of the present invention, including water-inlet header 11, with water inlet
What header 11 connected enters water heat exchanger tube 3, the throttling passage 2 in water-inlet header 11；Wherein, the flow area of throttling passage 2
Product is less than the actual internal area into water heat exchanger tube 3, and enters water heat exchanger tube 3 and connected by throttling passage 2 with water-inlet header 11.Can be with
Understand, the entrance of throttling passage 2 has gap with the inwall of water-inlet header 11.
The anti-freezing structure of cooling column provided by the invention, by setting throttling passage 2 in water-inlet header 11, utilize throttling
Passage 2 is connected into water heat exchanger tube 3 and water-inlet header 11, because the actual internal area of throttling passage 2 is less than the stream into water heat exchanger tube 3
Logical sectional area, then after fluid flow to throttling passage 2, influenceed by actual internal area change, increase fluid and enter the water inlet
The flow velocity of heat exchanger tube 3, the difference into the flow of inlet water between water heat exchanger tube is effectively reduced, improved into water between water heat exchanger tube
Measure the uniformity of distribution, so as to reduce caused by assignment of traffic inequality the tube bank of fluid icing air cooling heat radiator freeze it is several
Rate, and then improve the resistance to frost of air cooling heat radiator.
The actual internal area of above-mentioned throttling passage 2 is less than the actual internal area into water heat exchanger tube 3, is circulated for above-mentioned two
The difference of sectional area, is configured according to being actually needed.In order to effectively improve resistance to frost, the stream of prioritizing selection throttling passage 2
Logical sectional area is into 0.6 times~0.8 times of the actual internal area of water heat exchanger tube 3.Certainly, the circulation of throttling passage 2 also may be selected
Sectional area is into 0.5 times or 0.4 times etc. of the actual internal area of water heat exchanger tube 3, it is not limited to above-described embodiment.
Various ways be present in the formation of above-mentioned throttling passage 2.For the ease of manufacturing, above-mentioned throttling passage 2 is by throttling
The pipeline of pipe is formed.It is understood that the internal diameter of throttle pipe is less than the internal diameter into water heat exchanger tube 3.
Above-mentioned throttle pipe is securable to, into water heat exchanger tube 3, also be securable to water-inlet header 11.For the ease of installing, preferentially
Above-mentioned throttle pipe is selected to be fixed on into water heat exchanger tube 3.Further, above-mentioned throttle pipe is integral type structure with entering water heat exchanger tube 3.
For the material of throttle pipe, can be selected according to being actually needed.In order to improve the intensity of throttle pipe and using the longevity
Life, above-mentioned throttle pipe is steel pipe.Certainly, above-mentioned throttle pipe also may be selected is stainless steel tube etc., and the embodiment of the present invention is not done to this
Limit.
The length of above-mentioned throttling passage 2, is designed, the embodiment of the present invention is not limited this according to being actually needed.
Preferably, above-mentioned throttling passage 2 is straight channel.For the ease of installation, the axis of the above-mentioned throttling passage 2 of prioritizing selection
Axis collinear with entering water heat exchanger tube 3.
The anti-freezing structure of the cooling column provided based on above-described embodiment, the embodiment of the present invention additionally provide a kind of cooling column,
The cooling column has the anti-freezing structure of the cooling column described in above-described embodiment.
Because the anti-freezing structure of above-mentioned cooling column has above-mentioned technique effect, above-mentioned cooling column has the anti-of above-mentioned cooling column
Freeze structure, then above-mentioned cooling column also has corresponding technique effect, repeats no more herein.
Above-mentioned cooling column includes：Enter water heat exchanger tube 3, go out water heat exchanger tube 5, upper header 4 and lower collecting box 1, wherein, lower collecting box 1
Including disconnected water-inlet header 11 and going out water manifold 12, water-inlet header 11 has water inlet, and going out water manifold 12 has delivery port,
Water-inlet header 11 is connected with entering water heat exchanger tube 3, goes out water manifold 12 and is connected with going out water heat exchanger tube 5, and upper header 4 is connected into water heat exchanger tube
3 and go out water heat exchanger tube 5.
It is above-mentioned to enter water heat exchanger tube 3 and to go out the number of water heat exchanger tube 5, it is designed according to being actually needed, the embodiment of the present invention
This is not limited.
In order to improve radiating efficiency, it is above-mentioned enter water heat exchanger tube 3 and to go out water heat exchanger tube 5 be finned tube.The finned tube includes：
Base tube and the fin for being fixed on base tube outer wall.When it is above-mentioned finned tube to enter water heat exchanger tube 3, throttling passage 2 and above-mentioned finned tube
Base tube connection.
The cooling column provided based on above-described embodiment, the embodiment of the present invention are additionally provided a kind of cooling triangle, cool down triangle
Including two cooling columns, and two cooling columns are the cooling column described in above-described embodiment.
Because above-mentioned cooling column has above-mentioned technique effect, above-mentioned cooling triangle has above-mentioned cooling column, then above-mentioned cooling
Triangle also has corresponding technique effect, repeats no more herein.
The foregoing description of the disclosed embodiments, those skilled in the art are enable to realize or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
The embodiments shown herein is formed on, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (9)
1. a kind of anti-freezing structure of cooling column, including water-inlet header (11), the water inlet heat exchange connected with the water-inlet header (11)
Manage (3), it is characterised in that also include the throttling passage (2) in the water-inlet header (11), the throttling passage (2)
Actual internal area be less than it is described enter water heat exchanger tube (3) actual internal area, and it is described enter water heat exchanger tube (3) it is logical by the throttling
Road (2) connects with the water-inlet header (11).
2. anti-freezing structure according to claim 1, it is characterised in that the actual internal area of the throttling passage (2) is institute
State the actual internal area into water heat exchanger tube (3) 0.6 times~0.8 times.
3. anti-freezing structure according to claim 1, it is characterised in that the throttling passage (2) by throttle pipe pipeline shape
Into.
4. anti-freezing structure according to claim 3, it is characterised in that the throttle pipe be fixed on it is described enter water heat exchanger tube
(3)。
5. anti-freezing structure according to claim 3, it is characterised in that the throttle pipe is fixed on the water-inlet header
(11)。
6. anti-freezing structure according to claim 3, it is characterised in that the throttle pipe is steel pipe.
7. according to the anti-freezing structure described in any one in claim 1-6, it is characterised in that the axle of the throttling passage (2)
Line with it is described enter water heat exchanger tube (3) axis collinear.
8. a kind of cooling column, it is characterised in that there is the anti-freezing structure as described in any in claim 1-7.
9. one kind cooling triangle, including two cooling columns, it is characterised in that two cooling columns are such as claim 8 institute
The cooling column stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083990.XA CN107702557A (en) | 2017-11-07 | 2017-11-07 | Cooling column and its anti-freezing structure, cooling triangle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083990.XA CN107702557A (en) | 2017-11-07 | 2017-11-07 | Cooling column and its anti-freezing structure, cooling triangle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107702557A true CN107702557A (en) | 2018-02-16 |
Family
ID=61178296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083990.XA Pending CN107702557A (en) | 2017-11-07 | 2017-11-07 | Cooling column and its anti-freezing structure, cooling triangle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107702557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876925A (en) * | 2018-04-14 | 2019-06-14 | 青岛科技大学 | Flue gas waste heat utilization and intelligent electric field intensity adjusting system thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB908806A (en) * | 1959-08-20 | 1962-10-24 | Happel Gmbh | Improvements in or relating to surface condensers |
| DE6939120U (en) * | 1968-10-09 | 1970-04-09 | Ideal Standard | HEAT EXCHANGERS, IN PARTICULAR FOR HEATING SYSTEMS |
| US3563303A (en) * | 1968-01-15 | 1971-02-16 | Waagner Biro Ag | Method and apparatus for increasing uniformity of heat transfer |
| RU2053475C1 (en) * | 1992-02-24 | 1996-01-27 | Красноярская государственная технологическая академия | Cooling tower |
| CN2711679Y (en) * | 2004-05-17 | 2005-07-20 | 厦门市联友冷冻设备有限公司 | Built-in distributor for air cooling device |
| CN105008846A (en) * | 2013-02-11 | 2015-10-28 | 亿吉埃冷却系统有限公司 | Cooling delta for a dry cooling system |
| CN206399279U (en) * | 2016-12-07 | 2017-08-11 | 内蒙古华伊卓资热电有限公司 | The antifreeze monitoring device of Hai Leshi indirect air coolings |
| CN207456219U (en) * | 2017-11-07 | 2018-06-05 | 国电科学技术研究院 | Cooling column and its anti-freezing structure, cooling triangle |
-
2017
- 2017-11-07 CN CN201711083990.XA patent/CN107702557A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB908806A (en) * | 1959-08-20 | 1962-10-24 | Happel Gmbh | Improvements in or relating to surface condensers |
| US3563303A (en) * | 1968-01-15 | 1971-02-16 | Waagner Biro Ag | Method and apparatus for increasing uniformity of heat transfer |
| DE6939120U (en) * | 1968-10-09 | 1970-04-09 | Ideal Standard | HEAT EXCHANGERS, IN PARTICULAR FOR HEATING SYSTEMS |
| RU2053475C1 (en) * | 1992-02-24 | 1996-01-27 | Красноярская государственная технологическая академия | Cooling tower |
| CN2711679Y (en) * | 2004-05-17 | 2005-07-20 | 厦门市联友冷冻设备有限公司 | Built-in distributor for air cooling device |
| CN105008846A (en) * | 2013-02-11 | 2015-10-28 | 亿吉埃冷却系统有限公司 | Cooling delta for a dry cooling system |
| CN206399279U (en) * | 2016-12-07 | 2017-08-11 | 内蒙古华伊卓资热电有限公司 | The antifreeze monitoring device of Hai Leshi indirect air coolings |
| CN207456219U (en) * | 2017-11-07 | 2018-06-05 | 国电科学技术研究院 | Cooling column and its anti-freezing structure, cooling triangle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876925A (en) * | 2018-04-14 | 2019-06-14 | 青岛科技大学 | Flue gas waste heat utilization and intelligent electric field intensity adjusting system thereof |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |