CN205373489U - Increase heating pipe inner wall heat transfer area's carbon tube - Google Patents
Increase heating pipe inner wall heat transfer area's carbon tube Download PDFInfo
- Publication number
- CN205373489U CN205373489U CN201620005995.5U CN201620005995U CN205373489U CN 205373489 U CN205373489 U CN 205373489U CN 201620005995 U CN201620005995 U CN 201620005995U CN 205373489 U CN205373489 U CN 205373489U
- Authority
- CN
- China
- Prior art keywords
- pipe
- graphite
- internal tooth
- tooth
- wall
- 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.)
- Active
Links
Abstract
The utility model discloses an increase heating pipe inner wall heat transfer area's carbon tube, its characterized in that: the inner wall of carbon tube be equipped with a plurality of with the carbon tube axle center is the axle, follows carbon tube length direction extends and uniform array distributes is used for increasing inside pipe wall heat transfer area's cusp slot, the cusp slot is the cross -section that forms between the adjacent internal tooth for slot type trapezoidal or type triangle -shaped, the internal tooth comprises prong, tooth root and tooth depth, the cross section of carbon tube is interior gear -type or interior zigzag. The utility model discloses a set up the cusp slot in the pipe wall, enlarged the area of carbon tube internal face, improved the hot exchange capacity between carbon tube inner wall and the cold flow body to improve the whole heat transfer capacity of heat exchanger, have simple structure, greatly reduced cost, effectively improve advantages such as graphite heat exchanger heat transfer capacity.
Description
Technical field
This utility model relates to chemical industry heat-transfer equipment field, and specifically a kind of increase adds the graphite-pipe of heat pipe inner wall heat transfer area.
Background technology
At present, existing graphite tubular heat exchanger, graphite-pipe used is impervious surfaces externally and internally is all plain tube.In tubular heat exchanger, the heat of saturated vapor, condensed to heat by steam, heat has been passed to the outer wall of graphite-pipe, heat passes to inside pipe wall from pipe outer wall again, is then passed to the cold flow body in pipe by inside pipe wall convection current.These three diabatic process is continuously, equivalent.The heat transfer of these three process, owing to heat output is equal, it is possible to be automatically adjusted temperature and the heat transfer temperature difference in inner-outer wall face.Steam condensation heat transfer, owing to heat transfer coefficient is high, so vapor (steam) temperature and the difference of outside wall temperature, is more or less the same.Heat is transmitted to inwall from heat-transfer pipe outer wall, relevant with pipe thickness with heat transfer tube material performance, and the common heat conductivility of heat-transfer pipe is all better, and tube wall is also less thick, so tube wall temperature, with inside pipe wall temperature, difference is also not very big.And inside pipe wall is relative with the heat transfer coefficient of cold flow body very low, thermal resistance is big, makes inside pipe wall bigger with the temperature difference of cold flow body.
In three diabatic processes, inside pipe wall is improve the bottleneck of graphite heat exchanger heat transfer property further with cold flow body to heat.Overcoming this bottleneck, reinforced pipe inwall and the heat-transfer capability of cold flow body, have 2 ways: one is the flow velocity improving cold flow body, two is the area expanding inwall.In set design and operating mode, flow velocity is substantially increased, and expands and adds the selection that heat pipe inner wall area is most convenient.
Due to the rolling of graphite-pipe, forming process complexity, the intensity of graphite-pipe is relatively low again, how to design inner wall shape and the structure of graphite-pipe, wall can either be expanded, improve heat conductive efficiency, easily roll again, the bending strength of graphite-pipe can be kept again to become problem demanding prompt solution.
Utility model content
According to technical problem set forth above, and a kind of increase is provided to add the graphite-pipe of heat pipe inner wall heat transfer area.This utility model mainly utilizes improvement graphite-pipe inner wall shape and structure, expands inwall heat transfer area, reaches to improve the purpose of heat-transfer capability.
The technological means that this utility model adopts is as follows:
A kind of increase adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterized in that: the inwall of described graphite-pipe be provided with multiple be axle with described graphite-pipe axle center, along described graphite-pipe length direction extend and uniform array distribution the dentation groove for increasing inside pipe wall heat transfer area, described dentation groove is the cross section formed between adjacent internal tooth is that class is trapezoidal or the groove of class triangle, described internal tooth is to be made up of crown, tooth root and tooth depth, and the cross section of described graphite-pipe is internal tooth wheel shape or interior zigzag.
Further, the outer wall of described graphite-pipe is circular light slip pipe, and the outer diameter D of described graphite-pipe is 22mm-60mm；The wall thickness B of described graphite-pipe is the thickness between graphite-pipe external diameter and root edge, for 2.5mm-8mm；The number of described dentation groove is the internal tooth number of teeth, and the internal tooth number of teeth is 4-40, and size and the number of internal tooth are had different requirements by different graphite-pipe external diameters；The tooth depth C of described internal tooth is the vertical dimension between crown and tooth root, for 2mm-8mm；The tooth root width A of described internal tooth and the width of root portion, for 2mm-8mm；The crown width E of described internal tooth is 0mm-4mm, and when described crown width E is 0mm, the profile of tooth of internal tooth is triangle；When described crown width E is not 0mm, the profile of tooth of described internal tooth is trapezoidal.
Further, when the outer diameter D of described graphite-pipe is 22mm-32mm, the wall thickness B of described graphite-pipe is 2.5mm-5mm, and the described internal tooth number of teeth is 4-24, and the tooth depth C of described internal tooth is 2mm-6mm.
Further, when the outer diameter D of described graphite-pipe is 32mm-40mm, the wall thickness B of described graphite-pipe is 4mm-7mm, and the described internal tooth number of teeth is 6-32, and the tooth depth C of described internal tooth is 2mm-8mm.
Further, when the outer diameter D of described graphite-pipe is 40mm-60mm, the wall thickness B of described graphite-pipe is 5mm-8mm, and the described internal tooth number of teeth is 8-40, and the tooth depth C of described internal tooth is 2mm-8mm.
Compared with the prior art, this utility model by rolling out the axial groove being covered with inwall at the inner surface of heat transfer graphite-pipe, and its cross section is internal tooth wheel shape or interior zigzag, to expand the heat transfer wall of inwall.The graphite-pipe in the internal tooth form cross section of this utility model design can be provided simultaneously with expanding wall and improve heat conductive efficiency, it is easy to rolling, and can keep three requirements of bending strength of graphite-pipe.
This utility model can be widely popularized in chemical industry graphite-pipe heat-transfer equipment field for the foregoing reasons.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Fig. 1 is structural representation I of the present utility model.
Fig. 2 is structural representation II of the present utility model.
Fig. 3 is structural representation III of the present utility model.
In figure: 1, graphite-pipe；2, internal tooth；3, dentation groove；A, tooth root width；B, wall thickness；C, tooth depth；D, external diameter；E, crown width.
Detailed description of the invention
As shown in Figure 1, a kind of increase adds the graphite-pipe of heat pipe inner wall heat transfer area, the inwall of described graphite-pipe 1 be provided with multiple be axle with described graphite-pipe 1 axle center, along described graphite-pipe 1 length direction extend and uniform array distribution the dentation groove 3 for increasing inside pipe wall heat transfer area, described dentation groove 3 is the cross section formed between adjacent internal tooth 2 is that class is trapezoidal or the groove of class triangle, described internal tooth 2 is to be made up of crown, tooth root and tooth depth, and the cross section of described graphite-pipe 1 is internal tooth wheel shape or interior zigzag.
The outer wall of described graphite-pipe 1 is circular light slip pipe, and the outer diameter D of described graphite-pipe 1 is 22mm-60mm；The wall thickness B of described graphite-pipe 1 is the thickness between graphite-pipe external diameter and root edge, for 2.5mm-8mm；The number of described dentation groove 3 is the internal tooth number of teeth, and the internal tooth number of teeth is 4-40, and size and the number of internal tooth are had different requirements by different graphite-pipe external diameters；The tooth depth C of described internal tooth 2 is the vertical dimension between crown and tooth root, for 2mm-8mm；The tooth root width A of described internal tooth 2 and the width of root portion, for 2mm-8mm；The crown width E of described internal tooth 2 is 0mm-4mm, and when described crown width E is 0mm, the profile of tooth of internal tooth 2 is triangle；When described crown width E is not 0mm, the profile of tooth of described internal tooth 2 is trapezoidal.
When the outer diameter D of described graphite-pipe 1 is 22mm-32mm, the wall thickness B of described graphite-pipe 1 is 2.5mm-5mm, and the described internal tooth number of teeth is 4-24, and the tooth depth C of described internal tooth 2 is 2mm-6mm.
When the outer diameter D of described graphite-pipe 1 is 32mm-40mm, the wall thickness B of described graphite-pipe 1 is 4mm-7mm, and the described internal tooth number of teeth is 6-32, and the tooth depth C of described internal tooth 2 is 2mm-8mm.
When the outer diameter D of described graphite-pipe 1 is 40mm-60mm, the wall thickness B of described graphite-pipe 1 is 5mm-8mm, and the described internal tooth number of teeth is 8-40, and the tooth depth C of described internal tooth 2 is 2mm-8mm.
Embodiment 1
As it is shown in figure 1, the outer diameter D of described graphite-pipe 1 is 37mm, the wall thickness B of described graphite-pipe 1 is 4.5mm, and the described internal tooth number of teeth is 24, and the tooth depth C of described internal tooth 2 is 2.5mm, and the tooth root width A of described internal tooth 2 is 2.7mm, and the crown width E of described internal tooth 2 is 0.6mm.
Embodiment 2
As in figure 2 it is shown, the outer diameter D of described graphite-pipe 1 is 32mm, the wall thickness B of described graphite-pipe 1 is 4mm, and the described internal tooth number of teeth is 18, and the tooth depth C of described internal tooth 2 is 2.5mm, and the tooth root width A of described internal tooth 2 is 2.5mm, and the crown width E of described internal tooth 2 is 0.3mm.
Embodiment 3
As it is shown on figure 3, the outer diameter D of described graphite-pipe 1 is 60mm, the wall thickness B of described graphite-pipe 1 is 6mm, and the described internal tooth number of teeth is 20, and the tooth depth C of described internal tooth 2 is 5mm, and the tooth root width A of described internal tooth 2 is 4mm, and the crown width E of described internal tooth 2 is 2mm.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; conceive according to the technical solution of the utility model and utility model thereof and be equal to replacement or change, all should be encompassed within protection domain of the present utility model.
Claims (5)
1. an increase adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterized in that: the inwall of described graphite-pipe be provided with multiple be axle with described graphite-pipe axle center, along described graphite-pipe length direction extend and uniform array distribution the dentation groove for increasing inside pipe wall heat transfer area, described dentation groove is the cross section formed between adjacent internal tooth is that class is trapezoidal or the groove of class triangle, described internal tooth is to be made up of crown, tooth root and tooth depth, and the cross section of described graphite-pipe is internal tooth wheel shape or interior zigzag.
2. increase according to claim 1 adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterised in that: the outer wall of described graphite-pipe is circular light slip pipe, and the outer diameter D of described graphite-pipe is 22mm-60mm；The wall thickness B of described graphite-pipe is the thickness between graphite-pipe external diameter and root edge, for 2.5mm-8mm；The number of described dentation groove is the internal tooth number of teeth, and the internal tooth number of teeth is 4-40；The tooth depth C of described internal tooth is the vertical dimension between crown and tooth root, for 2mm-8mm；The tooth root width A of described internal tooth is 2mm-8mm, and the crown width E of described internal tooth is 0mm-4mm.
3. increase according to claim 2 adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterized in that: when the outer diameter D of described graphite-pipe is 22mm-32mm, the wall thickness B of described graphite-pipe is 2.5mm-5mm, and the described internal tooth number of teeth is 4-24, and the tooth depth C of described internal tooth is 2mm-6mm.
4. increase according to claim 2 adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterized in that: when the outer diameter D of described graphite-pipe is 32mm-40mm, the wall thickness B of described graphite-pipe is 4mm-7mm, and the described internal tooth number of teeth is 6-32, and the tooth depth C of described internal tooth is 2mm-8mm.
5. increase according to claim 2 adds the graphite-pipe of heat pipe inner wall heat transfer area, it is characterized in that: when the outer diameter D of described graphite-pipe is 40mm-60mm, the wall thickness B of described graphite-pipe is 5mm-8mm, and the described internal tooth number of teeth is 8-40, and the tooth depth C of described internal tooth is 2mm-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005995.5U CN205373489U (en) | 2016-01-04 | 2016-01-04 | Increase heating pipe inner wall heat transfer area's carbon tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620005995.5U CN205373489U (en) | 2016-01-04 | 2016-01-04 | Increase heating pipe inner wall heat transfer area's carbon tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205373489U true CN205373489U (en) | 2016-07-06 |
Family
ID=56276149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620005995.5U Active CN205373489U (en) | 2016-01-04 | 2016-01-04 | Increase heating pipe inner wall heat transfer area's carbon tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205373489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758780A (en) * | 2019-03-26 | 2019-05-17 | 许达人 | Acid bath flash crystallization device and technique |
-
2016
- 2016-01-04 CN CN201620005995.5U patent/CN205373489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109758780A (en) * | 2019-03-26 | 2019-05-17 | 许达人 | Acid bath flash crystallization device and technique |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202734640U (en) | Micro-channel heat exchanger and foamed metal fin thereof | |
| CN102878851A (en) | Micro-channel heat exchanger and foam metal fins thereof | |
| CN104034194B (en) | Rectangle turns round tooth finned tube and rectangle turns round tooth finned tube heat-exchanging tube bundle | |
| CN205373489U (en) | Increase heating pipe inner wall heat transfer area's carbon tube | |
| WO2014036798A1 (en) | Three-dimension thin liquid membrane condensing tube | |
| CN205980896U (en) | High temperature cooling tube | |
| CN101701779A (en) | Multi-row pit heat exchange tube | |
| CN110285695A (en) | Telescopic channel heat exchanger | |
| CN202501554U (en) | Air heating part of electric heater | |
| CN108413803A (en) | Pipe wing monomer and heat exchanger, air conditioner with it | |
| EP3027996B1 (en) | Fired heat exchanger pipe | |
| CN204535509U (en) | Three-dimensional rib plate heat exchanger tube | |
| KR20150092210A (en) | Tubing element for a heat exchanger means | |
| CN103940263A (en) | Heating water heater | |
| CN207299526U (en) | A kind of self-loopa heater | |
| CN207262515U (en) | A kind of self-circulating energy-saving heating system | |
| CN207599994U (en) | The self-loopa heater of efficient heat transfer | |
| CN202119305U (en) | Copper heat pipe with high serrated fins | |
| CN207299521U (en) | A kind of self-loopa heating boiler system | |
| CN201503234U (en) | High efficiency energy-saving heat dissipating steel pipe with oval external surface and internal groove ribs | |
| CN104236370A (en) | Finned tube for heat exchanger | |
| CN217179381U (en) | High finned tube of bending | |
| HU222869B1 (en) | Heat exchanger unit | |
| CN203489765U (en) | Female threaded heat transmission tube | |
| CN204063690U (en) | Automobile air-conditioning evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220302 Address after: 116000 2-3-1, No. 697, Haixiao courtyard, Jiefang Road, Zhongshan District, Dalian City, Liaoning Province Patentee after: Xu Gehong Address before: 116000 2-3-1, No. 697, Haixiao courtyard, Jiefang Road, Zhongshan District, Dalian City, Liaoning Province Patentee before: Xu Daren |
|
| TR01 | Transfer of patent right |