CN206459530U - A kind of anti-freeze type high temperature cold water surface cooler - Google Patents
A kind of anti-freeze type high temperature cold water surface cooler Download PDFInfo
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- CN206459530U CN206459530U CN201720113471.2U CN201720113471U CN206459530U CN 206459530 U CN206459530 U CN 206459530U CN 201720113471 U CN201720113471 U CN 201720113471U CN 206459530 U CN206459530 U CN 206459530U
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- surface cooler
- water
- heat exchange
- high temperature
- fin
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Abstract
The utility model discloses a kind of anti-freeze type high temperature cold water surface cooler, the anti-freeze type high temperature cold water surface cooler includes surface cooler housing (1), it is arranged on the fin (2) in the surface cooler housing (1), many heat exchange coils on mounting hole with the fin (2) are installed, the water inflow manifold (6) being connected with the water inlet of heat exchange coil every described, and the water outflow manifold (7) being connected with the delivery port of heat exchange coil every described, the heat exchange coil includes the elbow (5) of the heat exchanger tube (3) being horizontally arranged on the fin (2) and the connection heat exchanger tube (3), heat exchanger tube (3) on the fin (2) is arranged in the row's of pitching mode, flow through water route of the water route of the heat exchange coil for the piecewise non-decreasing from water inlet to delivery port.The anti-freeze type high temperature cold water surface cooler that the utility model is provided still has good heat exchange property under the operating mode for being passed through high temperature cold water, and can be prevented effectively from and damage surface cooler when temperature is relatively low.
Description
Technical field
The utility model is related to the heat exchanger of air-conditioning system, more particularly to a kind of high for unitary air handling unit anti-freeze type
Warm cold water surface cooler.
Background technology
Equipment of the surface cooler as being dehumidified to air cooling-down, has been obtained extensively in the fields such as Air-conditioning Engineering, Refrigeration Engineering
Application.Under normal circumstances, chilled water flows on the inside of surface cooler heat exchanger tube, and processed air flows on the outside of heat exchanger tube, profit
With heat transfer and the heat transfer type of thermal convection current by cooling-dehumidifying air, so that air reaches the humiture state of requirement.
Multiple rows of surface cooler of many manufacturer productions domestic at present uses coil pipe and arrangement of the air for adverse current cross-exchange
Form, in the arrangement mode of fork row between tube bank.Seen along air-flow direction, the existing uphill process of flowing of water, which also has, to be declined
Journey (ensures that coil pipe interior energy is full of water).When winter surface cooler is disabled, water need to be discharged using the effect of gravity, but due to same
Water of the water route in the branch pipe of bottom can not freely flow out, and water will produce accumulation at this position, when temperature is less than 0 DEG C,
Water in pipe can freeze and expand, so that freezing surface cooler.
For example, patent document CN101498558A discloses a kind of surface cooler for fan coil, as shown in figure 1, in surface cooler
Some copper pipes 4 ' are provided with 3 ', left side of the copper pipe 4 ' along surface cooler 3 ' is arranged with serpentine longitudinal direction to the right side of surface cooler 3 ',
The copper pipe 4 ' of serpentine longitudinal arrangement is sandwich construction, and the outer layer of the copper pipe 4 ' of its multilayer longitudinal arrangement is provided with multi-layer heat dissipation
Piece.Blower fan 1 ' is arranged on the lower section of the side of surface cooler 3 ', and its fan blade 2 ' is inclined upwardly at an angle.Can from Fig. 1 '
Go out, meeting water accumulation in the U-shaped portion between the inlet and outlet of copper pipe 4 ' point, and the water of the part is difficult discharge, so that
When temperature is relatively low, water understands freezing expansion and damages surface cooler.
Utility model content
The purpose of this utility model is to provide a kind of anti-freeze type high temperature cold water surface cooler, can be prevented effectively from relatively low in temperature
When and damage surface cooler.
To achieve these goals, the utility model provides a kind of anti-freeze type high temperature cold water surface cooler, the anti-freeze type
High temperature cold water surface cooler includes surface cooler housing, the fin being arranged in the surface cooler housing, installation and the peace of the fin
Many heat exchange coils, the water inflow manifold that is connected with the water inlet of heat exchange coil every described on dress hole and with described in every
The water outflow manifold of the delivery port connection of heat exchange coil, the heat exchange coil include being horizontally arranged at heat exchanger tube on the fin and
The elbow of the heat exchanger tube is connected, the heat exchanger tube on the fin is arranged in the row's of pitching mode, flow through the heat exchange coil
Water route for piecewise non-decreasing from water inlet to delivery port water route.
Preferably, the heat exchanger tube on the fin is in triangular arranged.
Preferably, the heat exchanger tube on the fin is 6 rows, by the connection of elbow (5), makes each water route stroke
Include 8 heat exchange coils (3).
Preferably, the heat exchanger tube is heat exchange copper tube, and the fin is aluminium foil fin.
Preferably, the minimum point of the water inflow manifold and the minimum point of water outflow manifold set draining valve.
Preferably, the peak of the water outflow manifold is provided with air bleeding valve.
Preferably, the external diameter of the heat exchanger tube is 9~20 millimeters.
Preferably, the thickness of the fin is that the spacing between 0.15~0.20 millimeter, the fin is 2.4~3.2 millis
Rice.
Preferably, the center spacing between the adjacent heat exchanger tube is 24~34 millimeters.
Preferably, the water inlet and delivery port of the heat exchange coil pass through connecting tube and water inflow manifold and water outflow manifold respectively
Connection.
The difference of the utility model and prior art is that the anti-freeze type high temperature cold water table that the utility model is provided is cold
Device is connected into heat exchanger tube from water inlet by elbow by the way that the heat exchanger tube on fin is arranged in the row's of pitching mode
The form not declined to water outlet height so that water can be by deadweight freely in the heat exchange coil that heat exchanger tube and elbow are constituted
Emptying, therefore, it is possible to still have good heat exchange property under the operating mode for being passed through high temperature cold water, and can be prevented effectively from temperature
Surface cooler is damaged when spending relatively low.
Brief description of the drawings
Fig. 1 is the structural representation of existing surface cooler for fan coil；
Fig. 2 is a kind of structural representation of the anti-freeze type high temperature cold water surface cooler for embodiment that the utility model is provided；
Fig. 3 is the zoomed-in view at A in Fig. 2；
Fig. 4 is the arrangement schematic diagram of the heat exchanger tube of the anti-freeze type high temperature cold water surface cooler shown in Fig. 2；
Fig. 5 is the front elbow connection diagram of the anti-freeze type high temperature cold water surface cooler shown in Fig. 2；
Fig. 6 is the back side elbow connection diagram of the anti-freeze type high temperature cold water surface cooler shown in Fig. 2；
Description of reference numerals：
1- surface cooler housings；2- fins；3- heat exchanger tubes；4- connecting tubes；5- elbows；6- water inflow manifolds；7- water outflow manifolds.
Embodiment
For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed
Thin explanation.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can be with many different
Form is realized, however it is not limited to embodiment described by this specification.On the contrary, the purpose for providing these embodiments is made to this
The understanding of the disclosure of utility model is more thorough comprehensive.
Some nouns of locality are defined in the utility model, in the case where not being specified to the contrary, used orientation
Word such as " upper and lower, left and right " refers to that the anti-freeze type high temperature cold water surface cooler that the utility model is provided is defined under normal usage
, and it is consistent with the direction up and down shown in accompanying drawing 1." inside and outside " refers to relative to inside and outside each parts profiles itself.
These nouns of locality use for the ease of understanding, thus do not constitute the limitation to the utility model protection domain.
Shown in appropriate reference Fig. 2, the anti-freeze type high temperature cold water surface cooler bag for the basic embodiment that the utility model is provided
Include surface cooler housing 1, the fin 2 being arranged in the surface cooler housing 1, installation and many on the mounting hole of the fin 2
Heat exchange coil, the water inflow manifold 6 that is connected with the water inlet of heat exchange coil every described and go out with heat exchange coil every described
The water outflow manifold 7 of mouth of a river connection.The surface cooler housing 1 is used to fix fin 2 and heat exchange coil, and limits and surface cooler heat exchange
Air flow direction.Flow direction of the fin 2 along wind in surface cooler is set, i.e., fore-and-aft direction as shown in Figure 1 is set,
Multi-disc fin 2 is arranged in parallel.
With reference to shown in Fig. 3, the heat exchange coil includes the heat exchanger tube 3 being horizontally arranged on the fin 2 and connection is described
The elbow 5 of heat exchanger tube 3.Specifically, offered on fin 2 for the mounting hole through heat exchanger tube 3, heat exchanger tube 3 passes through fin 2
On mounting hole, and be fixed on fin 2, elbow 5 be connected with the left or right of adjacent heat exchanger tube 3, passing through elbow 5 will
Two adjacent heat exchanger tubes 3 are connected, to constitute heat exchange coil.
With reference to shown in Fig. 4, the heat exchanger tube 3 on the fin 2 is arranged in the row's of pitching mode, and flows through the heat exchange
The water route of coil pipe is the water route of the piecewise non-decreasing from water inlet to delivery port, i.e., connected by elbow 5 in various appropriate modes
Connect the process that the water of flowing in heat exchange coil formed by heat exchanger tube 3 does not decline.
As shown in Fig. 2 the water inlet for the heat exchange coil being formed by connecting by elbow 5 and heat exchanger tube 3 and entering positioned at left side
Water header is connected, and delivery port is connected with water outflow manifold 7.Surface cooler typically has the heat exchange coil of multiple water flowing strokes, Mei Getong
The water inlet and delivery port of the heat exchange coil of water stroke are distributed to be connected with water inflow manifold 6 and water outflow manifold 7.Specifically, it is described
The water inlet and delivery port of heat exchange coil are connected by connecting tube 4 with water inflow manifold 6 and water outflow manifold 7 respectively, the connecting tube 4
Left end and the water inlet or delivery port of heat exchange coil connect, the right-hand member of connecting tube 4 stretch out after the surface cooler housing 1 with water inlet
Header 6 or water outflow manifold 7 are connected.
The anti-freeze type high temperature cold water surface cooler that above-mentioned embodiment is provided is when in use, defeated by cold water by water inflow manifold 6
Enter to every heat exchange coil, cold water does S-shaped flowing in the lateral direction in heat exchange coil, and is flowed out through water outflow manifold 7, cold water
During being flowed in heat exchange coil, the air flowed through with heat exchange coil and the outside of fin 2 carries out heat exchange.Disabled when winter
During surface cooler, the water in heat exchange coil can be discharged by water inflow manifold 6 under gravity, so as to avoid water in heat exchange coil
Interior freezing expansion and damage heat exchange coil.
It is further preferred that setting draining valve in the minimum point of the water inflow manifold 6 and/or the minimum point of water outflow manifold 7.
Because water inflow manifold and water outflow manifold are vertically arranged, therefore when surface cooler is stopped using, in water inflow manifold 6 and water outflow manifold 7
Can there be a certain amount of water, draining valve is installed by the minimum point in water inflow manifold 6 and/or the minimum point of water outflow manifold 7, can be with
The easily water in emptying water inflow manifold 6 and water outflow manifold 7, it is to avoid the water freezing expansion when temperature is relatively low and damage water inflow manifold
6 and water outflow manifold 7.
A certain amount of air is inevitably carried due to entering the water in surface cooler, in order that obtaining the current in surface cooler
Dynamic smooth, in a preferred embodiment of the present utility model, the peak of the water outflow manifold 7 is provided with air bleeding valve.
Because current existing surface cooler is in accordance with what the operating mode that supply and return water temperature is 7/12 DEG C was designed, but adopt
Cool-down dehumidification processing is carried out to air with 7 DEG C of traditional chilled waters, air temperature after surface cooler can be caused too low, in order to up to
To desired temperature, it need to be again heat-treated in surface cooler outlet, will certainly so cause huge energy waste.In addition, carrying
High chilled water supply water temperature can also improve the operational efficiency of handpiece Water Chilling Units, the power consumption of reduction low-temperature receiver side, so as to reach energy-conservation
Purpose.Therefore, in recent years on improve chilled water supply water temperature in terms of research it is more and more, this be also air conditioner refrigerating industry not
Come the important directions developed.
For existing surface cooler exist do not adapt to high temperature freezing water condition the problem of, by surface cooler number of strokes,
Heat exchange tube diameter, heat exchange tube hub spacing, a fin pitch of fins, pipe-connecting mode these parameters progress reasonable regulations, can cause table
Cooler heat exchange property under the operating mode for being passed through high temperature cold water is increased substantially.
Specifically, can be using height in order that obtaining surface cooler in further preferred embodiment of the present utility model
Warm cold water is run as cooling medium, as shown in figure 4, the heat exchanger tube 3 on the fin 2 is in triangular arranged,
So that heat exchanger tube 3 arrange it is more reasonable so that the heat exchange between high temperature cold water and air in heat exchanger tube 3 is more abundant.
Further, as shown in Fig. 4, Fig. 5, Fig. 6, the heat exchanger tube 3 on the fin 2 is 6 rows, each water route
Stroke includes 8 heat exchange coils.Pass through unique elbow connected mode so that the number of strokes of the heat exchange coil of surface cooler increases
Plus, so that it is in the case where being passed through the operating mode of high temperature chilled water, still with larger cool-down dehumidification ability.
Similarly, in order to improve using high temperature cold water as cooling medium when surface cooler heat exchange property, surface cooler
Heat exchanger tube 3 and fin 2 can also use having structure：
The heat exchanger tube 3 is heat exchange copper tube, and the fin 2 is aluminium foil fin.The external diameter of the heat exchanger tube 3 is 9~20 millis
Rice.The thickness of the fin 2 is that the spacing between 0.15~0.20 millimeter, the fin 2 is 2.4~3.2 millimeters.Adjacent institute
It is 24~34 millimeters to state the center spacing between heat exchanger tube 3.
Above-mentioned one or several kinds of structures can be mutually combined, to obtain preferable cool-down dehumidification effect.
Compared with prior art, the radiator coil tube for the anti-freeze type high temperature cold water surface cooler that the utility model is provided is used from entering
The cold water that the mouth of a river to the mode of the piecewise non-decreasing of delivery port is connected into S-shaped, therefore surface cooler can be arranged naturally under gravity
Sky, so as to effectively prevent the generation of the freezing phenomenon of surface cooler brought by pipeline ponding.By unique elbow connected mode,
Make the increase of surface cooler number of strokes, so that it is in the case where being passed through the operating mode of high temperature chilled water, still with larger cool-down dehumidification energy
Power.
The various embodiments of the anti-freeze type high temperature cold water surface cooler provided above the utility model are illustrated, and need
It should be noted that above-mentioned various embodiments can be mutually combined, various preferred embodiments are formed.
One that the anti-freeze type high temperature cold water surface cooler of the utility model offer is described below with reference to Fig. 2 to Fig. 6 is preferable
Embodiment.
As Fig. 2 shows, the utility model anti-freeze type high temperature cold water surface cooler includes surface cooler housing 1, to be arranged on the table cold
Fin 2 in device housing 1, many heat exchange coils installed on mounting hole with the fin 2, with every heat exchange coil
The water inflow manifold 6 of water inlet connection and the water outflow manifold 7 being connected with the delivery port of heat exchange coil every described.Such as Fig. 3 institutes
Show, the heat exchange coil includes the heat exchanger tube 3 being horizontally arranged on the fin 2 and the elbow 5 for connecting the heat exchanger tube 3.Such as
Fig. 4, the heat exchanger tube 3 is horizontally installed in fin 2 with the arrangement mode for the row of pitching, and every heat exchanger tube 3 is adjacent thereto nearest
The section constitution equilateral triangle of two heat exchanger tubes, i.e. a=b=c.
Water inflow manifold 6 and water outflow manifold 7 are connected with each scattered inlet and outlet for changing coil circuit respectively, per primary Ioops
Heat exchanger tube 3 is entered in described S-shaped coil pipe by water inflow manifold 6 by the connection of elbow 5, water, then flowed out by water outflow manifold 7.
Such as Fig. 5 and Fig. 6 shows a kind of stroke water route connection diagram of six comb eight, as seen from the figure, and this practicality is new
Type is to be sequentially connected in series the straight heat exchanger tube of different row adjacent positions using elbow, forms one from water inlet to water outlet
The multiple-pass heat exchange coil of the mode of the piecewise non-decreasing of mouth.For example, eight heat exchanger tubes of a1-a8 shown in Fig. 5, Fig. 6 pass through it is curved
Head is sequentially connected in series the heat exchange coil formed.The unique connected mode of heat pipe 3 is exchanged by elbow 5, surface cooler is possessed more
Many number of strokes, such connected mode can make the chilled water flow of internal flow longer, extend chilled water heat exchange when
Between, also just improve the heat exchange property of surface cooler.
When surface cooler draining, the water in heat exchange coil is flowed by Action of Gravity Field by delivery port lateral intake mouthful side, most
Eventually surface cooler is flowed out by being arranged on the draining valve of the bottom of water inflow manifold 6.Because all loops can not in whole drainage procedure
The position of energy water, therefore the surface cooler structure can be smoothly discharged ponding unnecessary in surface cooler, also just be avoided from source
The risk that surface cooler is damaged by frost in the winter time.
As shown in Figure 3, Figure 4, by reducing the caliber Φ, the center spacing a of heat exchanger tube 3 and the pitch of fins δ of fin 2 of heat exchanger tube 3,
Surface cooler can be made more to arrange heat exchanger tube and fin in the case of appearance and size identical, so as to increase the total of surface cooler
Heat exchange area, and then improve heat exchange property.
The utility model provide anti-freeze type high temperature cold water surface cooler compared with prior art, by changing heat exchanger tube 3
The size and spacing of connected mode and adjustment heat exchanger tube 3 and fin 2, make the medium in surface cooler smoothly arrange under gravity
Sky, and enhance heat exchange property of the surface cooler under high temperature cold water, collection security and it is energy-saving with it is integral, with quite varied
Application prospect.
For ease of description, the quality of embodiment is not only represented for the sequencing of embodiment of above.
Claims (10)
1. a kind of anti-freeze type high temperature cold water surface cooler, including surface cooler housing (1), it is arranged in the surface cooler housing (1)
Fin (2), many heat exchange coils being installed on the mounting hole of the fin (2), the water inlet with the every heat exchange coil
The water inflow manifold (6) of connection and the water outflow manifold (7) being connected with the delivery port of heat exchange coil every described, it is characterised in that
The heat exchange coil includes the elbow of the heat exchanger tube (3) being horizontally arranged on the fin (2) and the connection heat exchanger tube (3)
(5), the heat exchanger tube (3) is arranged in the row's of pitching mode, flow through the water route of the heat exchange coil for from water inlet to delivery port by
The water route of section non-decreasing.
2. anti-freeze type high temperature cold water surface cooler according to claim 1, it is characterised in that on the fin (2)
Heat exchanger tube (3) be in triangular arranged.
3. anti-freeze type high temperature cold water surface cooler according to claim 1 or 2, it is characterised in that installed in the fin (2)
On heat exchanger tube (3) be 6 rows, by the connection of elbow (5), each water route stroke is included 8 heat exchange coils.
4. anti-freeze type high temperature cold water surface cooler according to claim 1, it is characterised in that the heat exchanger tube (3) is heat exchange
Copper pipe, the fin (2) is aluminium foil fin.
5. anti-freeze type high temperature cold water surface cooler according to claim 1, it is characterised in that the water inflow manifold (6) is most
The minimum point of low spot and/or water outflow manifold (7) sets draining valve.
6. anti-freeze type high temperature cold water surface cooler according to claim 1, it is characterised in that the water outflow manifold (7) is most
High point is provided with air bleeding valve.
7. anti-freeze type high temperature cold water surface cooler according to claim 2, it is characterised in that the external diameter of the heat exchanger tube (3)
For 9~20 millimeters.
8. anti-freeze type high temperature cold water surface cooler according to claim 2, it is characterised in that the thickness of the fin (2) is
0.15~0.20 millimeter, the spacing between the fin (2) is 2.4~3.2 millimeters.
9. anti-freeze type high temperature cold water surface cooler according to claim 2, it is characterised in that the adjacent heat exchanger tube (3)
Between center spacing be 24~34 millimeters.
10. the anti-freeze type high temperature cold water surface cooler described in claim 1, it is characterised in that the water inlet of the heat exchange coil and
Delivery port is connected by connecting tube (4) with water inflow manifold (6) and water outflow manifold (7) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720113471.2U CN206459530U (en) | 2017-02-07 | 2017-02-07 | A kind of anti-freeze type high temperature cold water surface cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720113471.2U CN206459530U (en) | 2017-02-07 | 2017-02-07 | A kind of anti-freeze type high temperature cold water surface cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206459530U true CN206459530U (en) | 2017-09-01 |
Family
ID=59694257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720113471.2U Active CN206459530U (en) | 2017-02-07 | 2017-02-07 | A kind of anti-freeze type high temperature cold water surface cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206459530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990775A (en) * | 2017-12-29 | 2018-05-04 | 无锡海悦生化装备有限公司 | Heat exchange channel structure for energy-saving air pretreatment unit |
| CN113669801A (en) * | 2021-10-22 | 2021-11-19 | 山东雅士股份有限公司 | Intelligent heat exchanger with double anti-freezing protection functions and control method |
-
2017
- 2017-02-07 CN CN201720113471.2U patent/CN206459530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107990775A (en) * | 2017-12-29 | 2018-05-04 | 无锡海悦生化装备有限公司 | Heat exchange channel structure for energy-saving air pretreatment unit |
| CN113669801A (en) * | 2021-10-22 | 2021-11-19 | 山东雅士股份有限公司 | Intelligent heat exchanger with double anti-freezing protection functions and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180514 Address after: 300000 No. 18, Kowloon Hill Road, Beijing Science and Technology Industrial Park, Jizhou District, Tianjin, Tianjin (formerly No. 18, Kowloon Peak Road, special purpose vehicle Industrial Park) Patentee after: Kang Fu (Tianjin) purification and Air Conditioning Co., Ltd. Address before: 100083 Haidian District, Beijing, Wang Zhuang Road, 1, Tsinghua Tongfang square B ten, 1001 rooms. Patentee before: Beijing Comfort Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210121 Address after: 100089 No. C, 10th floor, block B, Tsinghua Tongfang science and Technology Plaza, 1 Wangzhuang Road, Haidian District, Beijing Patentee after: BEIJING KANGFU TECHNOLOGY Co.,Ltd. Address before: 300000 No. 18, Kowloon Hill Road, Beijing Science and Technology Industrial Park, Jizhou District, Tianjin, Tianjin (formerly No. 18, Kowloon Peak Road, special purpose vehicle Industrial Park) Patentee before: Kang Fu (Tianjin) purification and Air Conditioning Co.,Ltd. |
|
| TR01 | Transfer of patent right |