CN210321312U - Multi-pipe coiled heat exchanger - Google Patents
Multi-pipe coiled heat exchanger Download PDFInfo
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- CN210321312U CN210321312U CN201920991477.9U CN201920991477U CN210321312U CN 210321312 U CN210321312 U CN 210321312U CN 201920991477 U CN201920991477 U CN 201920991477U CN 210321312 U CN210321312 U CN 210321312U
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- heat exchange
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- distributor
- heat exchanger
- coiled
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Abstract
The utility model provides a multitube coiled heat exchanger, which comprises a tank body, the internal many heat exchange tubes that are provided with the heat transfer chamber and are located the heat transfer intracavity of jar, be provided with first medium import on the jar body, first medium export, second medium import and second medium export, first medium import and first medium export are connected with the both ends of many heat exchange tubes respectively, second medium import and second medium export are connected with the heat transfer chamber, the quantity of heat exchange tube is more than three or three, every heat exchange tube spiral is coiled into a heat exchanger section of thick bamboo, and a plurality of heat exchanger sections of thick bamboo that many heat exchange tubes coiled from interior to exterior stack gradually nestedly along the radial of a heat exchanger section of thick bamboo. The utility model discloses a multitube coiled heat exchanger is nested with the spiral heat exchange tube successive layer of many little pipe diameters, has increased heat transfer area, can reach the heat transfer effect of big heat exchange tube, under the situation of equal heat transfer effect, can accomplish the cost lower, and under equal cost, then can realize higher heat exchange efficiency.
Description
Technical Field
The utility model belongs to the technical field of indirect heating equipment, concretely relates to multitube coiled heat exchanger.
Background
A heat exchanger, also called a heat exchanger, is a device for transferring heat between two or more media at different temperatures. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like; the immersion heat exchanger has the advantages of simple structure and high pressure bearing capacity, and is widely applied to central air conditioners, heat pump hot water units, industrial water chilling units, ground source or water source hot water units. However, the heat exchanger in the prior art has the problem of low heat exchange efficiency in use, and particularly has the problem of more obvious heat exchange efficiency when being applied to the central air conditioner, the hot water unit and the cold water unit with high refrigerating capacity or high heating capacity.
Disclosure of Invention
In view of this, the utility model aims at providing a low cost and heat exchange efficiency's multitube coiled heat exchanger.
In order to solve the technical problem, the utility model discloses the technical scheme who uses is:
the utility model provides a multitube coiled heat exchanger, includes a jar body, jar internal heat transfer chamber and being located many heat exchange tubes in the heat transfer intracavity, jar be provided with first medium import, first medium export, second medium import and second medium export on the body, first medium import and first medium export respectively with the both ends of many heat exchange tubes are connected, second medium import and second medium export with the heat transfer chamber is connected, the quantity of heat exchange tube is more than three or three, every the heat exchange tube spiral is coiled into a heat transfer section of thick bamboo, just a plurality of heat transfer section of thick bamboo that many heat exchange tubes coiled are followed radially from inside to outside of heat transfer section of thick bamboo stacks gradually the nestedly.
Preferably, the tank body is provided with a plurality of first medium inlets and a plurality of corresponding first medium outlets, and the number of the first medium inlets and the number of the first medium outlets are the same as the number of the heat exchange tubes.
Preferably, a first distributor is further arranged outside the tank body, the first distributor is provided with a first distributor inlet and a plurality of first distributor outlets, the first ends of the plurality of first distributor outlets are communicated with the first distributor inlet, and the second ends of the plurality of first distributor outlets are respectively communicated with the plurality of first medium inlets; and/or
The tank body is also provided with a second distributor, the second distributor is provided with a plurality of second distributor inlets and a second distributor outlet, the first ends of the plurality of second distributor inlets are communicated with the second distributor outlet, and the second ends of the plurality of second distributor inlets are respectively communicated with the plurality of second medium outlets.
Preferably, the tank body further comprises an inner cylinder, the inner cylinder and the tank body are coaxially arranged, two ends of the inner cylinder are fixedly connected with the tank body, a through hole is formed in the side wall of the bottom of the inner cylinder, the heat exchange tubes are spirally coiled into the heat exchange tubes and sleeved outside the inner cylinder, and the plurality of heat exchange tubes coiled into the heat exchange tubes are sequentially stacked and nested from inside to outside in the radial direction of the inner cylinder.
Preferably, the outer wall of the heat exchange tube is further provided with a plurality of grooves, and the grooves extend along the length direction of the heat exchange tube.
Preferably, the bottom of the tank body is also provided with a supporting seat, and the supporting seat is fixedly connected with the tank body.
The beneficial effects of the utility model are mainly embodied in that: adopt the heat transfer copper pipe of big pipe diameter to carry out the heat transfer among the prior art, the utility model discloses nested the spiral heat exchange tube successive layer of many little pipe diameters, increased heat transfer area, can reach the heat transfer effect of big heat exchange tube, under the situation of equal heat transfer effect, adopt the utility model discloses a heat exchanger structure can accomplish that the cost is lower, moreover because the pipe diameter of heat exchange tube is little, its intensity is also higher, and under equal cost, adopts the utility model discloses a heat exchanger structure then can realize higher heat exchange efficiency.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic diagram of the overall structure of a multi-tube coiled heat exchanger according to the present invention;
fig. 2 is a schematic diagram of the internal structure of a multi-tube coiled heat exchanger according to the present invention;
fig. 3 is a schematic diagram of the internal structure of a multi-tube coiled heat exchanger according to the present invention;
fig. 4 is a schematic structural diagram of a heat exchange tube of a multi-tube coiled heat exchanger according to the present invention;
fig. 5 is a schematic structural diagram of a first distributor in a multi-tube coiled heat exchanger according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and only describe the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; in addition, in the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a welding fixing manner, a pin fixing manner, or the like, which is commonly used in the prior art, and therefore, detailed description thereof is omitted in this embodiment.
As shown in fig. 1 to 4, the present embodiment provides a multi-tube coiled heat exchanger, which includes a tank body 1 disposed in a sealed manner, a space volume in the tank body 1 is used as a heat exchange cavity 11, a plurality of heat exchange tubes 2 are disposed in the heat exchange cavity 11, the tank body 1 is provided with a first medium inlet 12, a first medium outlet 13, a second medium inlet 14 and a second medium outlet 15, the first medium inlet 12 and the first medium outlet 13 are respectively connected to two ends of the plurality of heat exchange tubes 2, and the second medium inlet 14 and the second medium outlet 15 are connected to the heat exchange cavity 11; the tank body 1 is provided with a plurality of first medium inlets 12 and a plurality of corresponding first medium outlets 13, and the number of the first medium inlets 12 and the number of the first medium outlets 13 are the same as that of the heat exchange tubes 2. Each heat exchange tube 2 is spirally coiled into a heat exchange tube, and a plurality of heat exchange tubes coiled by the plurality of heat exchange tubes 2 are sequentially stacked and nested from inside to outside along the radial direction of the heat exchange tubes. The number of the heat exchange tubes 2 in the embodiment is three, and four or more heat exchange tubes 1 can be provided according to the requirement. The heat exchange tubes 2 spirally wound into a cylinder shape can increase the area of the heat exchange tubes 2 in the heat exchange cavity 11 and the flow cross section of media entering the heat exchange tubes 2, namely, the efficiency of heat exchange between different media passing through the heat exchange tubes 2 and the tank body 1 is improved. In the embodiment, the second medium is a refrigerant, flows into the heat exchange cavity 11 in the tank body 1, and exchanges heat with the first medium (water) in the heat exchange tube 2 in the heat exchange cavity 11. Adopt the utility model discloses a heat exchanger structure can accomplish the cost lower, because use many heat exchange tubes under the condition of equal efficiency, can be so that the pipe diameter of heat exchange tube is less relatively for the heat exchange tube can only bear higher medium pressure, promptly, can guarantee the bearing strength of heat exchange tube under the pipe wall that does not need very thick, thereby effectively reduce the metal consumption to the heat exchange tube, reduced the cost promptly or said under the condition of equal cost use the utility model discloses a higher heat exchange efficiency can be realized to heat exchanger structure.
As shown in fig. 5, in the preferred embodiment, the tank 1 is further provided with a first distributor 3, the first distributor 3 has a first distributor inlet 31 and a plurality of first distributor outlets 32, first ends of the plurality of first distributor outlets 32 are all communicated with the first distributor inlet 31, and second ends of the plurality of first distributor outlets 32 are respectively communicated with the plurality of first medium inlets 12; and/or the tank 1 is provided with a second distributor having a plurality of second distributor inlets and a second distributor outlet, the first ends of the plurality of second distributor inlets are all in communication with the second distributor outlet, and the second ends of the plurality of second distributor inlets are in communication with the plurality of second media outlets 15, respectively. The second distributor has the same structure as the first distributor, and the first distributor 3 is used for distributing the first medium flowing into the heat exchange tubes 2 in the main pipeline, namely enabling the medium to respectively flow into the three heat exchange tubes 2 in the embodiment; the second distributor collects the first medium flowing out of the heat exchange tubes 2 and makes it flow into the main pipeline.
As shown in fig. 3, in a preferred embodiment, the tank body 1 further includes an inner cylinder 4, the inner cylinder 4 is coaxially disposed with the tank body 1, two ends of the inner cylinder 4 are fixed to two ends of the tank body 1 by welding, and a through hole 41 is formed on a side wall of a bottom of the inner cylinder 4. The heat exchange tube 2 positioned at the innermost layer is sleeved on the outer wall of the inner tube 4, and other heat exchange tubes 2 are sequentially sleeved layer by layer from inside to outside along the radial direction of the inner tube 4. The inner cylinder 4 can isolate the space in the center of the innermost heat pipe 2, i.e. an interlayer is formed, the heat exchange pipe 2 is clamped between the side wall of the tank body 1 and the side wall of the inner cylinder 4, when a second medium enters the heat exchange cavity of the tank body 1 from the second medium inlet 14, a circulation or turbulence can be formed along the spiral direction of the heat exchange pipe 2, i.e. the exchange efficiency between the two media is further improved, and finally the second medium enters the inner cylinder 4 from the through hole 41 at the bottom of the inner cylinder 4 and flows out through the second medium outlet 15. In this embodiment, the first medium inlet 12 is located at the bottom of the tank 1, and the first medium outlet 13 is located at the top of the tank 1, so that the first medium (water) can be ensured to flow back completely, i.e. the freezing of the pipeline when the machine is shut down in a low temperature environment can be prevented.
In a preferred embodiment, the outer wall of the heat exchange tube 2 is further provided with a plurality of grooves, the grooves extend along the length direction of the heat exchange tube 2, and the grooves can further increase the contact area of the heat exchange tube 2 and the second medium, i.e. increase the heat exchange efficiency.
As shown in fig. 1-3, in a preferred embodiment, the bottom of the tank 1 is further provided with a support seat 5, the support seat 5 is fixed to the tank 1 by welding, and the support seat 5 facilitates the installation and fixation of the multitube coiled heat exchanger.
The beneficial effects of the utility model are mainly embodied in that: adopt the heat transfer copper pipe of big pipe diameter to carry out the heat transfer among the prior art, the utility model discloses nested the spiral heat exchange tube successive layer of many little pipe diameters, increased heat transfer area, can reach the heat transfer effect of big heat exchange tube, under the situation of equal heat transfer effect, adopt the utility model discloses a heat exchanger structure can accomplish that the cost is lower, moreover because the pipe diameter of heat exchange tube is little, its intensity is also higher, and under equal cost, adopts the utility model discloses a heat exchanger structure then can realize higher heat exchange efficiency.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a multitube coiled heat exchanger, includes a jar body, jar internal heat transfer chamber and being located many heat exchange tubes of heat transfer intracavity, jar be provided with first medium import, first medium export, second medium import and second medium export on the body, first medium import and first medium export respectively with the both ends of many heat exchange tubes are connected, second medium import and second medium export with the heat transfer chamber is connected, its characterized in that, the quantity of heat exchange tube is more than three or three, every the heat exchange tube spiral is coiled into a heat exchanger section of thick bamboo, just a plurality of heat exchanger sections of thick bamboo that many heat exchange tubes coiled is followed radially from interior to exterior of heat exchanger section of thick bamboo stacks gradually the nestedly.
2. The multi-tube coiled heat exchanger of claim 1, wherein: the tank body is provided with a plurality of first medium inlets and a plurality of corresponding first medium outlets, and the number of the first medium inlets and the number of the first medium outlets are the same as that of the heat exchange tubes.
3. The multi-tube coiled heat exchanger of claim 2, wherein: the tank body is also provided with a first distributor, the first distributor is provided with a first distributor inlet and a plurality of first distributor outlets, the first ends of the plurality of first distributor outlets are communicated with the first distributor inlet, and the second ends of the plurality of first distributor outlets are respectively communicated with the plurality of first medium inlets; and/or
The tank body is also provided with a second distributor, the second distributor is provided with a plurality of second distributor inlets and a second distributor outlet, the first ends of the plurality of second distributor inlets are communicated with the second distributor outlet, and the second ends of the plurality of second distributor inlets are respectively communicated with the plurality of second medium outlets.
4. The multi-tube coiled heat exchanger of claim 1, wherein: still including the inner tube in the jar body, inner tube and jar coaxial setting of body, the both ends and jar body fixed connection of inner tube have seted up the through-hole on the lateral wall of inner tube bottom, the heat exchange tube spiral is coiled into the heat exchanger tube and the cover is located outside the inner tube, just a plurality of heat exchanger tubes that many heat exchange tubes coiled follow radially from interior to exterior of inner tube stacks gradually the nestification.
5. The multi-tube coiled heat exchanger of claim 1, wherein: the outer wall of the heat exchange tube is also provided with a plurality of grooves, and the grooves extend along the length direction of the heat exchange tube.
6. The multi-tube coiled heat exchanger of claim 1, wherein: the bottom of the tank body is also provided with a supporting seat, and the supporting seat is fixedly connected with the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991477.9U CN210321312U (en) | 2019-06-27 | 2019-06-27 | Multi-pipe coiled heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920991477.9U CN210321312U (en) | 2019-06-27 | 2019-06-27 | Multi-pipe coiled heat exchanger |
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| CN210321312U true CN210321312U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920991477.9U Active CN210321312U (en) | 2019-06-27 | 2019-06-27 | Multi-pipe coiled heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810537A (en) * | 2022-03-09 | 2022-07-29 | 中维化纤股份有限公司 | Polyester melt conveying device |
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2019
- 2019-06-27 CN CN201920991477.9U patent/CN210321312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810537A (en) * | 2022-03-09 | 2022-07-29 | 中维化纤股份有限公司 | Polyester melt conveying device |
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