CN109000490A - Double-tube heat exchanger - Google Patents
Double-tube heat exchanger Download PDFInfo
- Publication number
- CN109000490A CN109000490A CN201810825056.9A CN201810825056A CN109000490A CN 109000490 A CN109000490 A CN 109000490A CN 201810825056 A CN201810825056 A CN 201810825056A CN 109000490 A CN109000490 A CN 109000490A
- Authority
- CN
- China
- Prior art keywords
- bending section
- double
- heat exchanger
- central axis
- heat exchange
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/14—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically both tubes being bent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
Abstract
The present invention relates to a kind of double-tube heat exchangers, comprising: the heat exchange sleeve with trough bending section, the trough bending section are bent to the direction far from the first central axis, and first central axis intersects with gravity direction；Drain assembly is set to the trough bending section, and is connected to the heat exchange sleeve.Above-mentioned double-tube heat exchanger drains the ponding of trough bending section by drain assembly, and ponding icing at low ambient temperatures is avoided to rise brokenly pipeline, prevents in heat exchange sleeve that refrigerant is mixed with water flow after tracheal rupture, effectively avoids unnecessary failure.
Description
Technical field
The present invention relates to technical field of heat exchange, more particularly to double-tube heat exchanger.
Background technique
Double-tube heat exchanger is formed by connecting concentric circular sleeve with two kinds of different standard pipes of size, i.e., sets including concentric spacing
The outer tube and inner tube set, two different media flow between inner tube and outer tube and inner tube to achieve the effect that heat exchange.Generally
Ground is passed through refrigerant in air-conditioner set in inner tube, water flow is passed through between inner and outer tubes, and the two passes through the thermally conductive exchange heat of inner tube
Amount.
In winter or cool region, temperature drop to 0 degree hereinafter, compressor emergency shutdown rear sleeve exchanger base water flow without
Method is completely exhausted out, and the interior tracheal rupture of double-tube heat exchanger is often caused because of ponding icing, causes refrigerant and water flow to mix, machine
Group is not normally functioning.
Summary of the invention
Based on this, it is necessary to aiming at the problem that being easy ponding after traditional double-tube heat exchanger is shut down, provide one kind and avoid accumulating
The double-tube heat exchanger of water.
A kind of double-tube heat exchanger, comprising:
Heat exchange sleeve with the first central axis, the heat exchange sleeve include trough bending section, the trough bending section
It is bent to the direction far from the first central axis, first central axis intersects with gravity direction；
Drain assembly is set to the trough bending section, and is connected to the heat exchange sleeve.
Above-mentioned double-tube heat exchanger drains the ponding of trough bending section by drain assembly, avoids ponding at low ambient temperatures
Icing is risen brokenly pipeline, prevents in heat exchange sleeve that refrigerant is mixed with water flow after tracheal rupture, effectively avoids unnecessary failure.
The heat exchange sleeve further includes wave crest bending section in one of the embodiments, the trough bending section and described
Wave crest bending section is respectively arranged on first central axis two sides, and the wave crest bending section is located at the top of gravity direction, institute
State the lower section that trough bending section is located at gravity direction.
The heat exchange sleeve is arranged in the shape of a spiral around first central axis in one of the embodiments, and including
Multiple trough bending sections, each trough bending section are connected to the drain assembly.
The drain assembly includes drainage tube and drainpipe in one of the embodiments, the drainage tube along with it is described
The direction setting of first central axis intersection, and one end of the drainage tube is connected to the trough bending section, the drainage tube
The other end be connected to the drainpipe.
The drainage tube is connected to the trough bending section and the draining along gravity direction in one of the embodiments,
Between pipe 34.
The drainage tube includes multiple in one of the embodiments, is set at the minimum point of each trough bending section
It is equipped with the drainage tube.
The heat exchange sleeve includes water inlet end and water outlet in one of the embodiments, and the drainpipe includes closing
It holds and is connected to end, the closed end is connected to close to the water inlet end, the connection end with the water outlet.
The drainpipe includes first pipe and second pipe in one of the embodiments, and the first pipe is along flat
The direction setting of row first central axis, and one end of the first pipe is the closed end, the first pipe
The other end is connected to the second pipe, one end of the second pipe and the first pipe edge and first central axis
The direction of intersection is connected to, and the other end of the second pipe is the connection end.
The drain assembly further includes water discharging valve in one of the embodiments, and the water discharging valve is set to the company
Go side.
It in one of the embodiments, further include water inlet component and outlet component, the water inlet component is set to the water inlet
End, the outlet component are set to the water outlet.
Detailed description of the invention
Fig. 1 is the schematic diagram at one visual angle of structure of one embodiment of the invention middle sleeve heat exchanger；
Fig. 2 is the structural schematic diagram at another visual angle of double-tube heat exchanger shown in Fig. 1；
Fig. 3 is the structural schematic diagram of drain assembly in double-tube heat exchanger shown in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figs. 1-2, the double-tube heat exchanger 100 in one embodiment of the invention, including heat exchange sleeve 10 and drain assembly
30.Heat exchange sleeve 10 includes the inner and outer tubes of concentric spacing setting, is passed through refrigerant in inner tube, water is passed through between inner tube and outer tube
Stream, refrigerant and water flow exchange heat by the way that inner tube is thermally conductive.Heat exchange sleeve 10 has the first central axis a, and heat exchange sleeve 10
Including trough bending section 12, trough bending section 12 is bent to the direction far from the first central axis a, by the way that trough bending section is arranged
12 increase the flow path of fluid, increase heat exchange area.Also, the first central axis a intersects with gravity direction, i.e. Heat exchange jacekt
Pipe 10 is not vertically-mounted, easy ponding at trough bending section 12.Optionally, the first central axis a is vertical with gravity direction,
Heat exchange sleeve 10 is transversely mounted.Drain assembly 30 is set to trough bending section 12, and is connected to heat exchange sleeve 10, can be bent trough
Ponding discharge in section 12, ponding icing is risen brokenly inner tube when avoiding temperature lower, prevents refrigerant from mixing with water flow and influencing unit
Operation, reduces the failure of unit.
Heat exchange sleeve 10 further includes wave crest bending section 14, and trough bending section 12 and wave crest bending section 14 are respectively arranged in first
The two sides mandrel line a, and wave crest bending section 14 is located above gravity direction, it is that lower section that trough bending section 12, which is located at gravity, which to be put,
Fluid in heat exchange sleeve 10 flows between trough bending section 12 and wave crest bending section 14, by more transfer path, changes
Thermal effect is preferable.Specifically, heat exchange sleeve 10 is arranged in the shape of a spiral around the first central axis a, including multiple trough bending sections 12,
Each trough bending section 12 is connected to drain assembly 30, and the ponding in each trough bending section 12 is discharged.It is to be appreciated that
In some other embodiment, heat exchange sleeve 10 is arranged around the first central axis a in the shapes such as undaform, U-shaped, does not limit herein
It is fixed.
Heat exchange sleeve 10 includes water inlet end 11 and water outlet 13, and water flow enters by water inlet end 11, and after exchanging heat by
Water outlet 13 is discharged.Double-tube heat exchanger 100 further includes water inlet component 50 and outlet component 70, and water inlet component 50 is set to water inlet end
11, for accessing water flow, outlet component 70 is set to water outlet 13, for exporting the water flow after exchanging heat.
Drain assembly 30 includes drainage tube 32 and drainpipe 34, and drainage tube 32 is along the direction intersected with the first central axis a
Setting, and one end of drainage tube 32 is connected to trough bending section 12, the other end of drainage tube 32 is connected to drainpipe 34, by drawing
Flow tube 32 guides the ponding in trough bending section 12 to drainpipe 34, and then is discharged by drainpipe 34.
Optionally, drainage tube 32 is connected between trough bending section 12 and drainpipe 34 along gravity direction, so rationally sharp
With the gravity of water flow itself, water flow can flow to drainpipe 34 along drainage tube 32 rapidly under the effect of gravity, improve drainage efficiency.
It in this embodiment, include multiple trough bending sections 12 for spiral heat exchange sleeve 10, drainage tube 32 also includes more
It is a, drainage tube 32 is provided at the minimum point of each trough bending section 12.In this way, can be by the product in multiple trough bending sections 12
Water is guided by corresponding multiple drainage tubes 32 into drainpipe 34, while the minimum of trough bending section 12 is arranged in drainage tube 32
The case where point, making the ponding of trough lowest point can also be discharged, avoid the water flow at minimum point that from can not being discharged by gravity.
Drainpipe 34 includes that closed end 342 connects with end 344, closed end 342 is connected to close to the water inlet end 11 of heat exchange sleeve 10
Go side 344 is connected to the water outlet 13 of heat exchange sleeve 10, after the water flow in such drainage tube 32 flows to drainpipe 34, Bian Kecong
It is connected to the water outlet 13 that end 344 imports heat exchange sleeve 10, is discharged together with the water flow of water outlet 13, other external pipes are not needed again
Road draining, saves Assembly part.
Drainpipe 34 includes first pipe 341 and second pipe 343, and first pipe 341 is along parallel first central axis a's
Direction setting, and one end of first pipe 341 is closed end 342, the other end of first pipe 341 is connected to second pipe 343；
One end of second pipe 343 is connected to first pipe 341 along the direction intersected with the first central axis a, second pipe 343 it is another
One end is connection end 344, is connected to the water outlet 13 of heat exchange sleeve 10.Pass through the first pipe 341 and second pipe of intersection
343, it is connected to drainage tube 32 and water outlet 13, also, first pipe 341 is arranged along the direction of parallel first central axis a, just one
Secondary property connects the drainage tube 32 being arranged at multiple trough bending sections 12, and the water of discharge is made to flow into shorter path discharge, mentions
High drainage efficiency.
As Figure 2-3, drain assembly 30 further includes water discharging valve 36, and water discharging valve 36 is set to the connection end of drainpipe 34
344, drainage works can be carried out by opening water discharging valve 36 when needing to drain, and when heat exchanger works normally, close drain valve
Door 36, water flow are discharged without going past drainpipe 34, will not influence the heat exchange efficiency of heat exchange sleeve 10.Optionally, water discharging valve 36
For ball valve.
Above-mentioned double-tube heat exchanger 100, is drained the ponding of trough bending section 12 by drain assembly 30, avoided in low temperature environment
The icing of lower ponding is risen brokenly pipeline, prevents in heat exchange sleeve 10 that refrigerant is mixed with water flow after tracheal rupture, is effectively avoided unnecessary former
Barrier.Meanwhile ponding being imported to the water outlet 13 of heat exchange sleeve 10 by drainpipe 34, external other pipelines are not needed again, are saved
Assembly part.Also, water discharging valve 36 is set at the connection end 344 of drainpipe 34, drainpipe 34 is controlled by water discharging valve 36
The on-off on road can close water discharging valve 36 in normal heat exchange, and water flow is avoided to flow out from drainpipe 34, guarantee heat exchange sleeve 10
Heat exchange efficiency.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of double-tube heat exchanger (100) characterized by comprising
Heat exchange sleeve (10) with the first central axis (a), the heat exchange sleeve (10) includes trough bending section (12), described
Trough bending section (12) is bent to the direction far from the first central axis (a), first central axis (a) and gravity direction phase
It hands over；
Drain assembly (30) is set to the trough bending section (12), and is connected to the heat exchange sleeve (10).
2. double-tube heat exchanger (100) according to claim 1, which is characterized in that the heat exchange sleeve (10) further includes wave
Peak bending section (14), the trough bending section (12) and the wave crest bending section (14) are respectively arranged on first central axis
(a) two sides, and the wave crest bending section (14) is located at the top of gravity direction, the trough bending section (12) is located at gravity direction
Lower section.
3. double-tube heat exchanger (100) according to claim 2, which is characterized in that the heat exchange sleeve (10) is around described
One central axis (a) is arranged in the shape of a spiral, and including multiple trough bending sections (12), each trough bending section (12)
It is connected to the drain assembly (30).
4. double-tube heat exchanger (100) according to claim 1 to 3, which is characterized in that the drain assembly
It (30) include drainage tube (32) and drainpipe (34), the drainage tube (32) is along the side intersected with first central axis (a)
To setting, and one end of the drainage tube (32) is connected to the trough bending section (12), the other end of the drainage tube (32)
It is connected to the drainpipe (34).
5. double-tube heat exchanger (100) according to claim 4, which is characterized in that the drainage tube (32) is along gravity direction
It is connected between the trough bending section (12) and the drainpipe (34).
6. double-tube heat exchanger (100) according to claim 4, which is characterized in that the drainage tube (32) include it is multiple, often
The drainage tube (32) are provided at the minimum point of a trough bending section (12).
7. double-tube heat exchanger (100) according to claim 4, which is characterized in that the heat exchange sleeve (10) includes water inlet
It holds (11) and water outlet (13), the drainpipe (34) includes closed end (342) and be connected to end (344), the closed end (342)
Close to the water inlet end (11), the connection end (344) is connected to the water outlet (13).
8. double-tube heat exchanger (100) according to claim 7, which is characterized in that the drainpipe (34) includes the first pipe
Road (341) and second pipe (342), the first pipe (341) are arranged along the direction of parallel first central axis (a),
And one end of the first pipe (341) is the closed end (342), the other end of the first pipe (341) and described the
Two pipelines (342) connection；One end of the second pipe (342) and the first pipe (341) edge and first central axis
The direction connection of line (a) intersection, the other end of the second pipe (342) are the connection end (344).
9. double-tube heat exchanger (100) according to claim 7, which is characterized in that the drain assembly (30) further includes row
Penstock (36), the water discharging valve (36) are set to the connection end (344).
10. according to double-tube heat exchanger (100) described in claim 7-9 any one, which is characterized in that further include water inlet component
(50) and outlet component (70), the water inlet component (50) are set to the water inlet end (11), and the outlet component (70) is set to institute
State water outlet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825056.9A CN109000490B (en) | 2018-07-25 | 2018-07-25 | Double-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810825056.9A CN109000490B (en) | 2018-07-25 | 2018-07-25 | Double-tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109000490A true CN109000490A (en) | 2018-12-14 |
| CN109000490B CN109000490B (en) | 2019-10-11 |
Family
ID=64597736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810825056.9A Active CN109000490B (en) | 2018-07-25 | 2018-07-25 | Double-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000490B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654738A (en) * | 2019-01-03 | 2019-04-19 | 珠海格力电器股份有限公司 | A kind of heat-exchanger rig and the hot equipment of combustion with it |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3477501A (en) * | 1967-12-12 | 1969-11-11 | Stork & Co Nv | Heat exchanger |
| JPS5866275U (en) * | 1981-10-19 | 1983-05-06 | 三洋電機株式会社 | heat exchange unit |
| CN2274310Y (en) * | 1996-08-16 | 1998-02-11 | 北京银燕环保设备工程有限公司 | Air-displacement water meter cooler |
| CN101706225A (en) * | 2009-11-13 | 2010-05-12 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger |
| CN202145106U (en) * | 2011-07-08 | 2012-02-15 | 刘世贵 | Sleeve plate type bushing heat exchanger |
| CN202792707U (en) * | 2012-08-31 | 2013-03-13 | 张福海 | Novel corrosion-resistant heat exchanger and all-in-one air conditioner |
| CN204854441U (en) * | 2015-07-07 | 2015-12-09 | 中国石油天然气股份有限公司 | Energy -conserving air cooling fan antifreezing measures |
| CN107741106A (en) * | 2017-09-30 | 2018-02-27 | 博格思众（常州）热交换器有限公司 | A kind of manufacture method of fin, evaporator and fin |
-
2018
- 2018-07-25 CN CN201810825056.9A patent/CN109000490B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3477501A (en) * | 1967-12-12 | 1969-11-11 | Stork & Co Nv | Heat exchanger |
| JPS5866275U (en) * | 1981-10-19 | 1983-05-06 | 三洋電機株式会社 | heat exchange unit |
| CN2274310Y (en) * | 1996-08-16 | 1998-02-11 | 北京银燕环保设备工程有限公司 | Air-displacement water meter cooler |
| CN101706225A (en) * | 2009-11-13 | 2010-05-12 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger and fin thereof, as well as heat exchanging device comprising heat exchanger |
| CN202145106U (en) * | 2011-07-08 | 2012-02-15 | 刘世贵 | Sleeve plate type bushing heat exchanger |
| CN202792707U (en) * | 2012-08-31 | 2013-03-13 | 张福海 | Novel corrosion-resistant heat exchanger and all-in-one air conditioner |
| CN204854441U (en) * | 2015-07-07 | 2015-12-09 | 中国石油天然气股份有限公司 | Energy -conserving air cooling fan antifreezing measures |
| CN107741106A (en) * | 2017-09-30 | 2018-02-27 | 博格思众（常州）热交换器有限公司 | A kind of manufacture method of fin, evaporator and fin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654738A (en) * | 2019-01-03 | 2019-04-19 | 珠海格力电器股份有限公司 | A kind of heat-exchanger rig and the hot equipment of combustion with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109000490B (en) | 2019-10-11 |
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