CN203771808U - Parallel-connected double-pipe heat exchanger - Google Patents
Parallel-connected double-pipe heat exchanger Download PDFInfo
- Publication number
- CN203771808U CN203771808U CN201420094643.2U CN201420094643U CN203771808U CN 203771808 U CN203771808 U CN 203771808U CN 201420094643 U CN201420094643 U CN 201420094643U CN 203771808 U CN203771808 U CN 203771808U
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- Prior art keywords
- pipe
- heat exchanger
- copper
- copper pipe
- transfer passage
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Abstract
The utility model provides a parallel-connected double-pipe heat exchanger. The double-pipe heat exchanger comprises two groups of outer-layer steel pipes which are connected in parallel and coiled; the interior of each group of the steel pipe is sleeved with copper pipes; screw threads spreading the entire pipe wall are engraved in the inner wall and the outer wall of each copper pipe; in one group of the outer-layer steel pipe, a spiral refrigerant transfer passage is formed between the outer- layer steel pipe and the inner-layer copper pipe; a spiral waterway transfer passage is formed inside each copper pipe; in the other group of the outer-layer steel pipes, a spiral waterway transfer passage is formed between the outer-layer steel pipes and each inner layer copper pipe; a spiral refrigerant transfer passage is formed inside each copper pipe; when the double-pipe heat exchanger is in use, the number of the waterway and the refrigerant flow circulation branch can be adjusted according to different requirements of heat exchange quantity; requirements for various refrigeration systems can be better matched and the space is utilized; since the multiple copper pipes with internal threads are sleeved with the interior of the outer-layer steel pipes, the heat exchange area is increased in a space with the same physical dimension and size and the heat exchange quantity of the heat exchanger is sufficiently increased.
Description
Technical field
The present invention relates to technical field of heat exchangers, particularly a kind of double pipe heat exchanger in parallel.
Background technology
At present, for heat exchanger, people more pay close attention to heat exchange efficiency, Master Cost, processing difficulty, service life etc.In order to consider the performance of heat exchanger, for the conventional at present heat exchange equipment that is applicable to cold-producing medium heating water or other liquid, known coaxial sleeve heat exchanger is that inner tube and outer tube are closely set with, and coaxial double-tube heat exchanger.In heat transfer process, this heat exchanger structure decision, cold-producing medium flows between outer tube and inner tube, and water flows in opposite directions with cold-producing medium in inner tube.Although heat exchange property increases,, this heat exchanger is still not so good as other heat exchangers high (such as plate type heat exchanger) on heat exchange efficiency, in addition, and this type of heat exchanger, when using as evaporimeter, heat exchange efficiency is lower.
Utility model content
For the lower heat exchange efficiency of existing coaxial sleeve heat exchanger, the object of the utility model embodiment is to provide the double pipe heat exchanger in parallel that a kind of heat exchange efficiency is higher.
For achieving the above object, the utility model embodiment provides following technical scheme:
A double pipe heat exchanger in parallel, is characterized in that, by the coiling in parallel of two groups of outer layer pipes, formed, and every group of steel pipe separately internal sleeve copper pipe is housed, on copper pipe inwall and outer wall, be all carved with the screw thread that is covered with whole tube wall; The inner many total parameters of copper pipe overall diameter, match with the interior diameter of outer layer pipe, and wherein between one group of outer layer pipe and internal layer copper pipe, form spiral cold-producing medium transfer passage, each each self-forming spiral water road transfer passage of copper pipe inside; Between other one group of outer layer pipe and each copper pipe of internal layer, form spiral water route transfer passage, the inner spiral cold-producing medium transfer passage that forms of each copper pipe.
As technique scheme preferably, described every group of steel pipe separately internal sleeve is equipped with 3 copper pipes.
The double pipe heat exchanger in parallel that the utility model embodiment provides, utilize two groups of independent heat exchanging pipes arranged side by side, according to the different heat demand of changing, adjust water route and refrigerant flow path flow, flow to, and circulation prop up way, better mate the demand of various refrigeration systems, and utilize space, in outer layer pipe, add many inner screw thread copper pipes, in the space of same appearance and size size, increased heat exchange area, the heat exchange amount of the heat exchanger fully improving.In addition, owing to can distributing arbitrarily and be connected throttling arrangement or other pipeline components in refrigerant flow path and water route, so no matter this heat exchanger is as condenser or as evaporimeter, heat exchange property is outstanding equally.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of a kind of double pipe heat exchanger in parallel of the utility model embodiment.
Fig. 2 is the plan structure schematic diagram of a kind of double pipe heat exchanger in parallel of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1-2, the double pipe heat exchanger a kind of in parallel that the utility model embodiment provides, by two groups of outer layer pipes 1 and 2 coilings in parallel, formed, and every group of steel pipe separately internal sleeve 3 copper pipes 31 and 32 are housed, on copper pipe 3 inwalls and outer wall, be all carved with the screw thread that is covered with whole tube wall; Inner 3 total parameters of copper pipe overall diameter, match with the interior diameter of outer layer pipe 1 or 2, and wherein between one group of outer layer pipe 1 and internal layer copper pipe 31, form spiral cold-producing medium transfer passage, each copper pipe 31 each self-forming spiral water road transfer passages of inside; Between other one group of outer layer pipe 2 and each copper pipe 32 of internal layer, form spiral water route transfer passage, the inner spiral cold-producing medium transfer passage that forms of each copper pipe 32.
Two groups of steel pipes 1 and 2 adopt mode in parallel, and according to different steel pipes 1 and 2 external diameters and radius bend, inside and outside two-layer socket bends, and has formed 1 and 2 Liang Tao bis-autonomous channels, tunnel, each circulation therein of water route and refrigerant flow path.
Utilize two groups of independent heat exchanging pipes arranged side by side, according to the different heat demand of changing, adjust water route and refrigerant flow path flow, flow to, and circulation prop up way, better mate the demand of various refrigeration systems, and utilize space, outer layer pipe and in add many inner screw thread copper pipes, in the space of same appearance and size size, increased heat exchange area, the heat exchange amount of the heat exchanger fully improving.In addition, owing to can distributing arbitrarily and be connected throttling arrangement or other pipeline components in refrigerant flow path and water route, so no matter this heat exchanger is as condenser or as evaporimeter, heat exchange property is outstanding equally.
Double pipe heat exchanger in parallel, can not only save space, under the condition of changing on an equal basis heat demand, save installing space, and can arrange that arbitrarily refrigerant flow path distributes according to different refrigeration systems, increased the maximum heat exchange amount that heat exchanger uses, range of application is wider, and its service life and other reliabilities are also very guaranteed, and overall price/performance ratio significantly improves.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by the described protection domain with claim.
Claims (2)
1. a double pipe heat exchanger in parallel, is characterized in that, by the coiling in parallel of two groups of outer layer pipes, formed, and every group of steel pipe separately internal sleeve copper pipe is housed, on copper pipe inwall and outer wall, be all carved with the screw thread that is covered with whole tube wall; The inner many total parameters of copper pipe overall diameter, match with the interior diameter of outer layer pipe, and wherein between one group of outer layer pipe and internal layer copper pipe, form spiral cold-producing medium transfer passage, each each self-forming spiral water road transfer passage of copper pipe inside; Between other one group of outer layer pipe and each copper pipe of internal layer, form spiral water route transfer passage, the inner spiral cold-producing medium transfer passage that forms of each copper pipe.
2. double pipe heat exchanger in parallel according to claim 1, is characterized in that, described every group of steel pipe separately internal sleeve is equipped with 3 copper pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094643.2U CN203771808U (en) | 2014-03-04 | 2014-03-04 | Parallel-connected double-pipe heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420094643.2U CN203771808U (en) | 2014-03-04 | 2014-03-04 | Parallel-connected double-pipe heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771808U true CN203771808U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420094643.2U Expired - Fee Related CN203771808U (en) | 2014-03-04 | 2014-03-04 | Parallel-connected double-pipe heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771808U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207427A (en) * | 2019-06-14 | 2019-09-06 | 广东美的暖通设备有限公司 | Heat exchanger, refrigeration system and air conditioner |
| CN111637629A (en) * | 2020-05-27 | 2020-09-08 | 广东芬尼电器技术有限公司 | Flow path adjustable water storage inner container and heat pump water heater |
-
2014
- 2014-03-04 CN CN201420094643.2U patent/CN203771808U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207427A (en) * | 2019-06-14 | 2019-09-06 | 广东美的暖通设备有限公司 | Heat exchanger, refrigeration system and air conditioner |
| CN111637629A (en) * | 2020-05-27 | 2020-09-08 | 广东芬尼电器技术有限公司 | Flow path adjustable water storage inner container and heat pump water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150304 |
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| EXPY | Termination of patent right or utility model |