CN207456219U - Cooling column and its anti-freezing structure, cooling triangle - Google Patents
Cooling column and its anti-freezing structure, cooling triangle Download PDFInfo
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- CN207456219U CN207456219U CN201721476531.3U CN201721476531U CN207456219U CN 207456219 U CN207456219 U CN 207456219U CN 201721476531 U CN201721476531 U CN 201721476531U CN 207456219 U CN207456219 U CN 207456219U
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- exchanger tube
- cooling
- inlet header
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Abstract
The utility model discloses a kind of cooling column and its anti-freezing structure, cooling triangle, the anti-freezing structure of the cooling column includes water-inlet header, connected with water-inlet header into 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 is connected into water heat exchanger tube by throttling passage with water-inlet header.In the anti-freezing structure of above-mentioned cooling column, when fluid flow to throttling passage, it is influenced by actual internal area variation, 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 unevenness, and then improves the resistance to frost of air cooling heat radiator.
Description
Technical field
The utility model is related to air cooling heat radiator freezing proof technique fields, more specifically to a kind of cooling column and its prevent
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 steam exhaust of steam turbine realizes cooling in condenser by recirculated water, and the recirculated water heated is dissipated into air-cooled
Hot device exchanges heat with air, and recirculated water after cooling returns condenser and continues condensing turbine steam exhaust, forms sealing and circulating.
Above-mentioned air cooling heat radiator includes several cooling triangles, and cooling triangle includes two cooling columns, and cooling column includes：Water inlet
Heat exchanger tube goes 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, go out water manifold with water outlet, and water-inlet header is connected with into water heat exchanger tube, go out water manifold and
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, and between water heat exchanger tube, there are the non-uniform phenomenons of assignment of traffic so that tube bank
There is flowing and slows down or the phenomenon that flow stoppage in heat transfer tube wall fluid, when environment temperature is not more than 0 DEG C, since tube bank exchanges heat
Tube fluid flowing slows down or flow stoppage, and the fluid icing air cooling heat radiator tube bank relatively easily led in tube bank heat exchanger tube is freezed,
Tube bank heat exchanger tube is ultimately resulted in by bursting by freezing.
In conclusion how to reduce 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 problem to be solved by those skilled in the art.
Utility model content
The purpose of this utility model is to provide a kind of anti-freezing structure of cooling column, and reduction air cooling heat radiator tube bank is freezed several
Rate, to improve the resistance to frost of air cooling heat radiator.The another object of the utility model is to provide a kind of with above-mentioned anti-freezing structure
Cooling column and a kind of cooling triangle with above-mentioned cooling column.
To achieve these goals, the utility model provides following technical solution：
A kind of anti-freezing structure of cooling column, including water-inlet header, connected with the water-inlet header into water heat exchanger tube, be located at
Throttling passage in the water-inlet header；Wherein, the actual internal area of the throttling passage is less than the stream into water heat exchanger tube
Logical sectional area, and described connected into water heat exchanger tube by the throttling passage with the water-inlet header.
Preferably, the actual internal area of the throttling passage for 0.6 times of the actual internal area into water heat exchanger tube~
0.8 times.
Preferably, the throttling passage is formed by the pipeline of throttle pipe.
Preferably, the throttle pipe is fixed on described into 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 and the axis collinear into water heat exchanger tube.
The anti-freezing structure of cooling column based on above-mentioned offer, the utility model additionally provide a kind of cooling column, the cooling column
Anti-freezing structure with the above-mentioned arbitrary cooling column.
Based on the cooling column of above-mentioned offer, the utility model additionally provides a kind of cooling triangle, which includes two
A cooling column, and two cooling columns are above-mentioned cooling column.
The anti-freezing structure of cooling column provided by the utility model, by setting throttling passage in the water-inlet header, profit
It is connected with throttling passage into water heat exchanger tube and water-inlet header, the stream into water heat exchanger tube is less than due to the actual internal area of throttling passage
Logical sectional area then after fluid flow to throttling passage, is influenced by actual internal area variation, increases fluid and changed into the water inlet
The flow velocity of heat pipe effectively reduces the difference into the flow of inlet water between water heat exchanger tube, improves into water between water heat exchanger tube
The uniformity of distribution, so as to reduce caused by assignment of traffic unevenness 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.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
The embodiment of type, for those of ordinary skill in the art, without creative efforts, can also be according to carrying
The attached drawing of confession obtains other attached drawings.
Fig. 1 is the structure diagram for the cooling column that the utility model embodiment provides；
Fig. 2 is lower collecting box in the cooling column that provides of the utility model embodiment, into water heat exchanger tube and goes out the dress of water heat exchanger tube
Figure；
Fig. 3 is the part-structure schematic diagram of the anti-freezing structure for the cooling column that the utility model embodiment provides.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the anti-freezing structure for the cooling column that the utility model embodiment provides, including water-inlet header 11, with
Water-inlet header 11 connect into water heat exchanger tube 3, the throttling passage 2 in water-inlet header 11；Wherein, the circulation of throttling passage 2
Sectional area is less than the actual internal area into water heat exchanger tube 3, and is connected into water heat exchanger tube 3 by throttling passage 2 with water-inlet header 11.
It is understood that the entrance of throttling passage 2 and the inner wall of water-inlet header 11 have gap.
The anti-freezing structure of cooling column provided by the utility model by setting throttling passage 2 in water-inlet header 11, utilizes
Throttling passage 2 is connected into water heat exchanger tube 3 and water-inlet header 11, since the actual internal area of throttling passage 2 is less than into water heat exchanger tube 3
Actual internal area, then after fluid flow to throttling passage 2, by actual internal area variation influenced, increase fluid into should
Into the flow velocity of water heat exchanger tube 3, effectively reduce the difference into the flow of inlet water between water heat exchanger tube, improve into water heat exchanger tube it
Between water operation uniformity, freeze so as to reduce caused by assignment of traffic unevenness the tube bank of fluid icing air cooling heat radiator
Probability, 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, circulates for above-mentioned two
The difference of sectional area, is configured according to actual needs.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 actual internal area of water heat exchanger tube 3, it is not limited to above-described embodiment.
There are various ways for 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 into water heat exchanger tube 3 with being an integral structure.
For the material of throttle pipe, can make choice according to actual needs.For the intensity for improving throttle pipe and using the longevity
Life, above-mentioned throttle pipe are steel pipe.Certainly, above-mentioned throttle pipe also may be selected as stainless steel tube etc., the utility model embodiment is to this
It does not limit.
The length of above-mentioned throttling passage 2, is designed, the utility model embodiment does not limit this according to actual needs
It is fixed.
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
With the axis collinear into water heat exchanger tube 3.
Anti-freezing structure based on the cooling column that above-described embodiment provides, the utility model embodiment additionally provide a kind of cooling
Column, the cooling column have the anti-freezing structure of the cooling column described in above-described embodiment.
Since 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：Into 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 water outlet,
Water-inlet header 11 is connected with into water heat exchanger tube 3, is gone 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.
Above-mentioned to be designed according to actual needs into water heat exchanger tube 3 and the number for going out water heat exchanger tube 5, the utility model is real
Example is applied not limit this.
It is above-mentioned into water heat exchanger tube 3 and to go out water heat exchanger tube 5 be finned tube in order to improve radiating efficiency.The finned tube includes：
Base tube and the fin for being fixed on base tube outer wall.When being above-mentioned finned tube into water heat exchanger tube 3, throttling passage 2 and above-mentioned finned tube
Base tube connection.
Based on the cooling column that above-described embodiment provides, the utility model embodiment additionally provides a kind of cooling triangle, cools down
Triangle includes two cooling columns, and two cooling columns are the cooling column described in above-described embodiment.
Since 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 enables those skilled in the art to realize or using the utility model.
A variety of modifications of these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent 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)
It manages (3), which is characterized in that the throttling passage (2) in the water-inlet header (11) is further included, the throttling passage (2)
Actual internal area is less than the actual internal area into water heat exchanger tube (3), and described logical by the throttling into water heat exchanger tube (3)
Road (2) is connected with the water-inlet header (11).
2. anti-freezing structure according to claim 1, which is characterized 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, which is characterized in that the throttling passage (2) by throttle pipe pipeline shape
Into.
4. anti-freezing structure according to claim 3, which is characterized in that the throttle pipe is fixed on described into water heat exchanger tube
(3)。
5. anti-freezing structure according to claim 3, which is characterized in that the throttle pipe is fixed on the water-inlet header
(11)。
6. anti-freezing structure according to claim 3, which is characterized in that the throttle pipe is steel pipe.
7. according to the anti-freezing structure described in any one in claim 1-6, which is characterized in that the axis of the throttling passage (2)
Line and the axis collinear into water heat exchanger tube (3).
8. a kind of cooling column, which is characterized in that there is the anti-freezing structure as described in arbitrary in claim 1-7.
9. a kind of cooling triangle, including two cooling columns, which is characterized 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 |
|---|---|---|---|
| CN201721476531.3U CN207456219U (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 |
|---|---|---|---|
| CN201721476531.3U CN207456219U (en) | 2017-11-07 | 2017-11-07 | Cooling column and its anti-freezing structure, cooling triangle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207456219U true CN207456219U (en) | 2018-06-05 |
Family
ID=62254527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476531.3U Active CN207456219U (en) | 2017-11-07 | 2017-11-07 | Cooling column and its anti-freezing structure, cooling triangle |
Country Status (1)
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|---|---|
| CN (1) | CN207456219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702557A (en) * | 2017-11-07 | 2018-02-16 | 国电科学技术研究院 | Cooling column and its anti-freezing structure, cooling triangle |
-
2017
- 2017-11-07 CN CN201721476531.3U patent/CN207456219U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702557A (en) * | 2017-11-07 | 2018-02-16 | 国电科学技术研究院 | Cooling column and its anti-freezing structure, cooling triangle |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 10 Wonderland Road, Qixia District, Nanjing City, Jiangsu Province Patentee after: National Electric Science and Technology Research Institute Co., Ltd. Address before: No. 10 Wonderland Road, Qixia District, Nanjing City, Jiangsu Province Patentee before: Guodian Science and Technology Research Institute |
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| CP01 | Change in the name or title of a patent holder |