CN209279737U - A kind of three runner spiral wound tube type heat exchangers - Google Patents
A kind of three runner spiral wound tube type heat exchangers Download PDFInfo
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- CN209279737U CN209279737U CN201821723869.9U CN201821723869U CN209279737U CN 209279737 U CN209279737 U CN 209279737U CN 201821723869 U CN201821723869 U CN 201821723869U CN 209279737 U CN209279737 U CN 209279737U
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- tube
- heat exchange
- inner tube
- heat exchanger
- outer tube
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Abstract
The utility model discloses a kind of three runner spiral wound tube type heat exchangers, the shell of shell side is formed including being equipped with stream socket, the spiral heat exchange tube that tube side is formed in the shell is set, the spiral heat exchange tube uses double-layer sleeve structure, inner tube including formed inner tube process, outer tube of the set packet outside said inner tube, the gap for forming outer tube process is equipped between said inner tube outer wall and outer tube wall, said inner tube both ends are respectively arranged with the fluid inlet and outlet of connection inner tube, the both ends of the outer tube, which seal, and other ground connection is extended respectively the external inlet/outlet pipe for being connected to the outer tube process.The utility model is compact-sized, and occupancy is small in size, improves heat exchanger overall heat exchange performance, is properly applied to the higher field of heat exchange of volume requirement.Can be according to actual use demand selection gas-gas-gas heat exchange, the gas-gas-heat exchange working method such as liquid heat exchange and solution-air-liquid heat exchange, liquid-liquid-liquid, operating flexibility is big, applied widely.
Description
Technical field
The utility model relates to a kind of three runner spiral wound tube type heat exchangers, heat is handed between referring in particular to a kind of amplified medium
The Novel spiral double pipe heat exchanger changed.
Background technique
With the continuous growth of social economy, consumed resource constantly increases, puts forward higher requirements to energy utilization rate.
Heat exchanger has many advantages, such as can to recycle heat recycling as a kind of heat exchange common apparatus, to improve energy utilization rate and
The economy of system plays a significant role, be widely used in chemical industry, electric power, metallurgy, power, food etc. industry in and material
Evaporation, condensation, heating and cooling etc. during.
Heat exchanger is according to structure can there are many type, such as shell-and-tube heat exchanger, plate heat exchanger, lamella heat exchangers
Deng having many advantages, such as that firm in structure, operating flexibility is big, the degree of reliability is high, use scope is wide.Spiral wound tube type heat exchanger is as one
Kind new type heat exchanger, has the advantages that compact-sized, compressive resistance is high, and heat transfer coefficient is big, is widely used in low temperature height in recent years
The fields such as pressure.The heat exchanger is formed by two concentric tubes coilings are spiral.Two kinds of working fluids can realize pure counter-current flow,
Heat transfer efficiency is high.The utility model proposes a kind of compact contact heat exchangers for being wound in casing ellipse spiral, are formed
The outer section of casing form external flow passage.Tube side and shell-side fluid spiral reverse heat-exchange, external fluid lateral cross pass through coil pipe,
Auxiliary tube side fluid is further heated or cooled shell-side fluid, improves overall heat-transfer coefficient.
Utility model content
The purpose of this utility model is to provide one kind can be improved spiral wound tube type heat exchanger heat exchange efficiency, reduces pressure
Drop, operates three nimble runner spiral wound tube type heat exchangers.
The utility model adopts the following technical solution realizes:
A kind of three runner spiral wound tube type heat exchangers form the shell of shell side including being equipped with stream socket, are arranged in institute
The spiral heat exchange tube that tube side is formed in shell is stated, the spiral heat exchange tube uses in double-layer sleeve structure, including formation
Outer tube of the inner tube, set packet of pipe process outside said inner tube, is equipped between said inner tube outer wall and outer tube wall and forms outer tube stream
The gap of journey, said inner tube both ends are respectively arranged with the fluid inlet and outlet of connection inner tube, and the both ends of the outer tube seal and difference
Side ground connection, which is extended, the external inlet/outlet pipe for being connected to the outer tube process.
Further, the heat exchange tubotorsion is ellipticity helical structure, and ellipticity is compared round coiling shape and is easier in pipe
Interior formation secondary circulation, augmentation of heat transfer effect.
Further, two closed ends of the outer tube are fixed by welding or supporting element, to keep stable structure.
Further, the tube side is formed by two or more heat exchanger tube side-by-side helix coilings, multiple rows of casing coiling arranged side by side,
Guarantee that external flow passage is close, reduces fluid scattering and disappearing in external flow passage.
Further, the material of the heat exchanger tube is stainless steel, aluminium alloy, copper or plastics.
Further, the fluid includes liquid, gaseous fluid.
Compared with prior art, the utility model has the following beneficial effects:
1. guaranteeing that fluid can be changed countercurrently completely the utility model proposes a kind of screw shell heat-exhanger of ellipse coiling
Heat, it is compact-sized, there is biggish heat transfer area in unit volume.Heat transfer coefficient is high, and ellipticity compares round coiling shape more
Easily it is formed in the tube secondary circulation, augmentation of heat transfer effect.
2. casing carries out ellipse spiral coiling, being formed by shell side can assist inner tube tube side further to outer tube tube side fluid
It exchanges heat, forms three novel runner screw shell heat-exhangers, operating flexibility is big, according to the actual situation, can carry out following grasp
Make mode: gas-gas-gas heat exchange, gas-gas-liquid heat exchange, solution-air-liquid heat exchange, liquid-liquid-liquid heat exchange.Inner tube tube side should be same with shell side
For cold source or heat source, exchange heat to outer tube tube side fluid.
3. multiple rows of casing coiling arranged side by side guarantees that external flow passage is close, fluid scattering and disappearing in shell fluid flow is reduced.And it is multiple rows of
Entrance fluid can be dispersed in shape screw shell, reduces pressure drop caused when fluid flows at inner tube tube side and outer tube tube side.
Detailed description of the invention
Fig. 1 is the schematic device of the utility model embodiment.
Fig. 2 is the device right view and partial cutaway view of the utility model embodiment.
Fig. 3 is the device front view of the utility model embodiment.
Fig. 4 is the device inner tube figure structure schematic representation of the utility model embodiment.
In figure: 1- inner tube；2- outer tube；The external inlet/outlet pipe of 3-；4- outer tube tube side；5- shell side.
Specific embodiment
The purpose of utility model of the utility model is described in further detail in the following with reference to the drawings and specific embodiments,
The embodiments cannot be described here one by one, but therefore the embodiments of the present invention is not limited to the following examples.
As shown in Figures 1 to 4, a kind of three runner spiral wound tube type heat exchangers, including be equipped with stream socket and form shell side 5
Shell, be arranged in the shell formed tube side spiral heat exchange tube,
As shown in Figures 2 to 4, the spiral heat exchange tube uses double-layer sleeve structure, including formed inner tube process
Inner tube 1, set wrap the outer tube 2 outside said inner tube 1, are equipped between 2 inner wall of 1 outer wall of said inner tube and outer tube and form outer tube process 4
Gap, 1 both ends of said inner tube be respectively arranged with connection inner tube 1 fluid inlet and outlet, the outer tube 2 both ends sealing and respectively
Side ground connection, which is extended, the external inlet/outlet pipe 3 for being connected to the outer tube process, and two closed ends of the outer tube 2 pass through welding or branch
Support member is fixed.
The heat exchange tubotorsion is ellipticity helical structure, and ellipticity is easier to be formed in the tube secondary compared to round coiling shape
Circulation, augmentation of heat transfer effect.
The tube side is formed by three heat exchanger tube side-by-side helix coilings, multiple rows of casing coiling arranged side by side, guarantees external flow passage
Closely, fluid scattering and disappearing in external flow passage is reduced.
Double-layer sleeve structure is with spiral wrap, and spiral size adjustable, casing length and quantity can be according to the practical function that exchanges heat
The requirements such as rate, pressure drop are adjusted.
The material of the heat exchanger tube is stainless steel, aluminium alloy, copper or plastics, and the present embodiment uses stainless steel.This heat exchanger
Processing method include machining, 3D printing etc..
Specifically, in a feasible embodiment, the three runners spiral wound tube type heat exchanger is used for high pressure exhaust gas
The design parameter of waste-heat recovery device, all parts includes:
The size of inner tube 1: 3-φ, 3 × 0.5 mm；
The size of outer tube 2: 3-φ, 7 × 0.5 mm；
Oval structure size: major axis/minor axis=50mm/35mm；
Spiral spacing: 24mm is enclosed, three rows casing coiling arranged side by side along central axis coiling 4.5；
Material: SUS304；
Manufacture craft: metal 3D printing.
Gas in outer tube tube side is pressure-air, and physical property is density: 18.064 kg/m3, specific heat capacity: 1.4 kJ/ (
m3K), thermal conductivity: 0.0424 W/ (mK).Inlet pressure is 4.5MPa, temperature 830K, inlet flow rate 80m/s.
Gas in inner tube tube side and shell side is atmospheric air, and inner tube tube-side inlet temperature is 298K, flow velocity 70m/s.
Shell side inlet flow velocity is 150m/s, temperature 298K.
The mode of operation of the present embodiment are as follows:
The entrance input at inner tube 1 as shown in Figure 1 of gas in inner tube tube side, the gas in outer tube tube side are outer as shown in Figure 1
3 sleeve pipe of outlet pipe is tapped into, is exchanged heat with the back flow of gas in inner tube tube side.Meanwhile the arrow direction of shell side 5 as shown in Figure 1 into
Row flowing further carries out counterflow heat exchange to the high pressure gas in outer tube tube side.
The working principle of the three runners spiral wound tube type heat exchanger is:
When fluid passes through 4 part of outer tube tube side, while heat is carried out with 5 fluid of shell side with inner tube tube side and is exchanged, with reality
The purpose being now heated or cooled.When outer tube tube side 4 is heat source, inner tube tube side and shell side 5 are simultaneously cold source, to outer tube tube side 4
It is cooled down.When outer tube tube side 4 is cold source, inner tube tube side and shell side 5 are simultaneously heat source, are added to 4 fluid of outer tube tube side
Heat.Between inner tube tube side and outer tube tube side 4 fluid can fair current each other or adverse current, fluid can also be mutual between outer tube tube side 4 and shell side
For fair current or adverse current.Liquid or gas can be led between runner, specific works combination regards actual conditions and determines.
The double-tube heat exchanger of helically coiling provided by the utility model, structural compactness are high.Oval runner design is easy to
Fluid is formed in the tube secondary circulation, improves heat transfer efficiency.There is the heat transfer area increased, heat transfer efficiency is high in unit volume.
And the shell side that helically coiling is formed can further assist inner tube that outer tube tube side fluid is heated or cooled.System flexibility
Height, it is adaptable, it is properly applied to the cryogenic high pressure field of heat exchange having higher requirements to volume.
The above embodiments of the present invention is merely examples for clearly illustrating the present invention, and is not
Limitations of the embodiments of the present invention.For those of ordinary skill in the art, on above explained basis
On can also make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.
Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in this reality
Within novel scope of protection of the claims.
Claims (6)
1. a kind of three runner spiral wound tube type heat exchangers form the shell of shell side (5) including being equipped with stream socket, are arranged in institute
State the spiral heat exchange tube that tube side is formed in shell, it is characterised in that:
The spiral heat exchange tube uses double-layer sleeve structure, and inner tube (1), set packet including formed inner tube tube side are described interior
The outer tube (2) of (1) outside is managed, the gap for forming outer tube tube side (4), institute are equipped between said inner tube (1) outer wall and outer tube (2) inner wall
State the fluid inlet and outlet that inner tube (1) both ends are respectively arranged with connection inner tube (1), the both ends sealing of the outer tube (2) and respectively side
Ground connection, which is extended, the external inlet/outlet pipe (3) for being connected to the outer tube process.
2. three runners spiral wound tube type heat exchanger according to claim 1, it is characterised in that: the heat exchange tubotorsion is ellipse
Round shape helical structure.
3. three runners spiral wound tube type heat exchanger according to claim 1, it is characterised in that: two envelopes of the outer tube (2)
Closed end is fixed by welding or supporting element.
4. three runners spiral wound tube type heat exchanger according to claim 1, it is characterised in that: the tube side by two with
Upper heat exchanger tube side-by-side helix coiling forms.
5. three runners spiral wound tube type heat exchanger according to claim 1, it is characterised in that: the material of the heat exchanger tube is
Stainless steel, aluminium alloy, copper or plastics.
6. three runners spiral wound tube type heat exchanger according to claim 1, it is characterised in that: the fluid includes liquid
State, gaseous fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723869.9U CN209279737U (en) | 2018-10-23 | 2018-10-23 | A kind of three runner spiral wound tube type heat exchangers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821723869.9U CN209279737U (en) | 2018-10-23 | 2018-10-23 | A kind of three runner spiral wound tube type heat exchangers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209279737U true CN209279737U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821723869.9U Active CN209279737U (en) | 2018-10-23 | 2018-10-23 | A kind of three runner spiral wound tube type heat exchangers |
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| CN (1) | CN209279737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253636A (en) * | 2018-10-23 | 2019-01-22 | 华南理工大学 | A kind of three runner spiral wound tube type heat exchangers |
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2018
- 2018-10-23 CN CN201821723869.9U patent/CN209279737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253636A (en) * | 2018-10-23 | 2019-01-22 | 华南理工大学 | A kind of three runner spiral wound tube type heat exchangers |
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