CN206019436U - The passive augmentation of heat transfer plug-in unit of radiant tube - Google Patents
The passive augmentation of heat transfer plug-in unit of radiant tube Download PDFInfo
- Publication number
- CN206019436U CN206019436U CN201620888611.9U CN201620888611U CN206019436U CN 206019436 U CN206019436 U CN 206019436U CN 201620888611 U CN201620888611 U CN 201620888611U CN 206019436 U CN206019436 U CN 206019436U
- Authority
- CN
- China
- Prior art keywords
- radiant tube
- plug
- heat transfer
- unit
- plug body
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of passive augmentation of heat transfer plug-in unit of radiant tube, including plug body；Extend one or more heat exchanger fins in the surface of plug body；Plug body is hollow tubular structure；Heat exchanger fin extends to the other end of plug body from one end of plug body.The utility model is mainly used in smoke evacuation (relative low temperature) stroke of various types of radiation pipe (U-shaped, W types), many fin designs of fin or rotation improve convection transfer rate, increase swept area simultaneously, enhance the heat transfer efficiency of radiant tube low temperature stroke, improve radiant tube surface power and the burner hearth thermal efficiency, the consumption of combustion gas and the discharge of waste gas can finally be reduced, the application of heat transfer insert can directly improve 20 50 DEG C of radiant tube tube wall temperature, reduce by 50 80 DEG C of exhaust gas temperature, fractional energy savings is worthy of popularization up to 3 5%.
Description
Technical field
The utility model is related to radiant tube heating application, in particular it relates to the passive augmentation of heat transfer plug-in unit of radiant tube, especially
Which is under the operating mode for not increasing the consumption of energy additional energy source, realizes the passive augmentation of heat transfer of radiant tube, final raising energy profit
Technical scheme with efficiency.
Background technology
Radiant tube is widely used in industry heating field, radiant tube due to its heat characteristic, along on flow of flue gas direction
The tube wall temperature of radiant tube is gradually lowered, and particularly with W type radiant tubes, the tube wall temperature of its stroke of discharging fume is far below average
Tube wall temperature, if the tube wall temperature of smoke evacuation stroke therefore can be effectively improved, can greatly improve the heating efficiency of radiant tube and add
The thermal efficiency.
Engineers and technicians are to improve the efficiency of heating surface of radiant tube for a long time, always by increase radiant tube caliber or
Increase radiation length of tube to improve the efficiency of heating surface of radiant tube；But either increase radiant tube caliber and be also to increase radiant tube length
Be required to improve cost, and for the operating mode that has gone into operation cannot to radiate pipe size transform.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of passive augmentation of heat transfer of radiant tube and inserts
Part.
According to the passive augmentation of heat transfer plug-in unit of a kind of radiant tube that the utility model is provided, including plug body；
Extend one or more heat exchanger fins in the surface of plug body；
Plug body is hollow tubular structure；
Heat exchanger fin extends to the other end of plug body from one end of plug body.
Preferably, heat exchanger fin is fin shape or fin shape.
Preferably, the length of plug body is 150-350mm；Plug body is hollow circular tube shape structure, in the middle of tube-shaped structure
A diameter of 6-20mm of hollow space.
Preferably, also include metal rod；It is sequentially connected by metal rod between multiple plug bodies；Wherein, metallic rod
Part is inserted in plug-in unit body.
Preferably, in a plug body, the quantity of the heat exchanger fin of fin shape is 4-12 pieces, and circumferential uniform along plug body
Distribution.
Preferably, in a plug body, the quantity of the heat exchanger fin of fin shape is 2-6 pieces, and per on 100mm length directions
The angle that rotates in a circumferential direction for 10-60 °.
Preferably, the passive augmentation of heat transfer plug-in unit of the radiant tube is integrally cast by metal, or by nonmetallic carbonization
Silicon material monolithic molding is made.
According to a kind of radiant tube that the utility model is provided, including body, it is characterised in that be provided with the body
The passive augmentation of heat transfer plug-in unit of above-mentioned radiant tube.
Preferably, the maximum outside diameter of the passive augmentation of heat transfer plug-in unit of the radiant tube is less than caliber 3-5mm in radiant tube.
Preferably, the opposing end surface between the corresponding heat exchanger fin of the passive augmentation of heat transfer plug-in unit of adjacent two radiant tubes
Coincidence is close to so that smooth split between the surface of the corresponding heat exchanger fin.
Compared with prior art, the utility model has following beneficial effect：
The utility model is mainly used in smoke evacuation (relative low temperature) stroke of various types of radiation pipe (U-shaped, W types), fin or rotation
The many fin designs for turning improve convection transfer rate, while increasing swept area, enhance the heat transfer effect of radiant tube low temperature stroke
Rate, improves radiant tube surface power and the burner hearth thermal efficiency, can finally reduce the consumption of combustion gas and the discharge of waste gas, heat transfer insert
Application can directly improve 20-50 DEG C of radiant tube tube wall temperature, reduce 50-80 DEG C of exhaust gas temperature, and fractional energy savings is worth up to 3-5%
Popularization and application.
Description of the drawings
By reading the detailed description that non-limiting example is made with reference to the following drawings, other spies of the present utility model
Levy, objects and advantages will become more apparent upon：
Fig. 1 is the structural representation of the passive augmentation of heat transfer plug-in unit of radiant tube with fin shape heat exchanger fin.
Fig. 2 is the structural representation of the passive augmentation of heat transfer plug-in unit of radiant tube with fin shape heat exchanger fin.
Fig. 3 is the passive augmentation of heat transfer plug-in unit of radiant tube scheme of installation in the radiant tube.
In figure：
1- plug bodies
The heat exchanger fin of 2- fin shapes
The heat exchanger fin of 3- fin shapes
4- radiant tubes
Specific embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some changes and improvements can also be made.
These belong to protection domain of the present utility model.
The utility model by passive heat transfer enhancement technology, improves spoke on the basis of radiant tube physical dimension is not changed
Penetrate the heating efficiency and the efficiency of heating surface of pipe low temperature stroke.
Passive heat transfer enhancement technology mainly includes following means：(1) coating surface；(2) rough surface；(3) extended surface；
(4) helix tube etc..If flue gas is by outside pipe, we can strengthen biography using this several passive enhancements means outside pipe
Heat, and if when flue gas passes through from pipe, above all augmentation of heat transfer measures are all not so good in pipe to be implemented, be this this practicality
New proposition can be placed the mode of special plug-in unit in pipe and be carried out augmentation of heat transfer, and plug-in unit can both increase total radiation heat transfer face
Product, it is also possible to increase disturbance, so as to strengthen heat exchange.
The passive augmentation of heat transfer plug-in unit of radiant tube that the utility model is provided, as shown in Figure 1 and Figure 2, including plug body, plug-in unit
Extend one or more heat exchanger fins on body.Heat exchanger fin is fin shape, as shown in Figure 1；Or, heat exchanger fin be fin shape, such as Fig. 2
Shown.The length of plug body is 150mm-350mm, and the diameter of plug body is generally less than radiant tube caliber 3mm-5mm, no matter fin
Shape or fin shape plug-in unit, centre are easy to the connection of multiple plug-in units to combine using hollow cylindrical structure, central hollow diameter
For 6mm-20mm, multiple plug bodies are connected by heating resisting metal rod member, the plug body circumferential direction of the heat exchanger fin with fin shape
On fin quantity be 4-12 pieces, the fin in the plug body circumferential direction of the heat exchanger fin with fin shape be 2-6 pieces, per
The angle that rotates in a circumferential direction on 100mm length directions is for 10 ° -60 °；The passive augmentation of heat transfer plug-in unit of radiant tube can be whole by heating resisting metal
Body casting is formed or is made by the higher nonmetallic silicon carbide material monolithic molding of blackness.
The point of the plug body and heat exchanger fin surface in Fig. 2 represents that the surface is coarse surface.
Multiple plug bodies will guarantee the smoothness and continuity of flow of flue gas when interconnecting, the radiant tube of whole combination without
Source strength heat transfer insert can be directly arranged in the middle of radiant tube, can be fixed steadily in the long term using deadweight and the frictional force of itself
In the same position of radiant tube, other support members need not be increased.
The application of the passive augmentation of heat transfer plug-in unit of combination of the above radiant tube, can directly improve radiant tube tube wall temperature 20-50
DEG C, reducing 50-80 DEG C of exhaust gas temperature, fractional energy savings is worthy of popularization up to 3%-5%.
Above specific embodiment of the utility model is described.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change,
This has no effect on flesh and blood of the present utility model.Spy in the case where not conflicting, in embodiments herein and embodiment
Levy and arbitrarily can be mutually combined.
Claims (10)
1. the passive augmentation of heat transfer plug-in unit of a kind of radiant tube, it is characterised in that including plug body；
Extend one or more heat exchanger fins in the surface of plug body；
Plug body is hollow tubular structure；
Heat exchanger fin extends to the other end of plug body from one end of plug body.
2. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that heat exchanger fin be fin shape or
Fin shape.
3. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that the length of plug body is 150-
350mm；Plug body be hollow circular tube shape structure, a diameter of 6-20mm in tube-shaped structure central hollow space.
4. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that also include metal rod；Many
It is sequentially connected by metal rod between individual plug body；Wherein, metal rod is inserted in plug-in unit body.
5. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that in a plug body, wing
The quantity of the heat exchanger fin of piece shape is 4-12 pieces, and is circumferentially uniformly distributed along plug body.
6. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that in a plug body, fin
The quantity of the heat exchanger fin of piece shape is 2-6 pieces, and per the angle that rotates in a circumferential direction on 100mm length directions for 10-60 °.
7. the passive augmentation of heat transfer plug-in unit of radiant tube according to claim 1, it is characterised in that the passive reinforcing of the radiant tube
Heat transfer insert is integrally cast by metal, or is made by nonmetallic silicon carbide material monolithic molding.
8. a kind of radiant tube, including body, it is characterised in that be provided with any one of claim 1 to 7 institute in the body
The passive augmentation of heat transfer plug-in unit of the radiant tube stated.
9. radiant tube according to claim 8, it is characterised in that the maximum of the passive augmentation of heat transfer plug-in unit of the radiant tube is outer
Footpath is less than caliber 3-5mm in radiant tube.
10. radiant tube according to claim 8, it is characterised in that the passive augmentation of heat transfer of adjacent two radiant tubes
Opposing end surface between the corresponding heat exchanger fin of plug-in unit overlaps and is close to so that smooth split between the surface of the corresponding heat exchanger fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888611.9U CN206019436U (en) | 2016-08-16 | 2016-08-16 | The passive augmentation of heat transfer plug-in unit of radiant tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620888611.9U CN206019436U (en) | 2016-08-16 | 2016-08-16 | The passive augmentation of heat transfer plug-in unit of radiant tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206019436U true CN206019436U (en) | 2017-03-15 |
Family
ID=58247967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620888611.9U Active CN206019436U (en) | 2016-08-16 | 2016-08-16 | The passive augmentation of heat transfer plug-in unit of radiant tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206019436U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023034999A1 (en) * | 2021-09-03 | 2023-03-09 | Saint-Gobain Ceramics & Plastics, Inc. | Bodies configured for use in radiant tubes |
| CN116772407A (en) * | 2022-03-30 | 2023-09-19 | 蓝香甜 | Tubular industrial heating furnace |
| CN118391960A (en) * | 2024-07-01 | 2024-07-26 | 常州市运柯热处理有限公司 | Heating uniform temperature heat exchange device of industrial high-speed short flame burner |
-
2016
- 2016-08-16 CN CN201620888611.9U patent/CN206019436U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023034999A1 (en) * | 2021-09-03 | 2023-03-09 | Saint-Gobain Ceramics & Plastics, Inc. | Bodies configured for use in radiant tubes |
| CN116772407A (en) * | 2022-03-30 | 2023-09-19 | 蓝香甜 | Tubular industrial heating furnace |
| CN118391960A (en) * | 2024-07-01 | 2024-07-26 | 常州市运柯热处理有限公司 | Heating uniform temperature heat exchange device of industrial high-speed short flame burner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206019436U (en) | The passive augmentation of heat transfer plug-in unit of radiant tube | |
| CN207963603U (en) | A kind of double-tube heat exchanger heat-transfer pipe | |
| CN201332509Y (en) | Heating pipe and heater with the same | |
| CN205300348U (en) | W type extended surface tube | |
| CN204574837U (en) | Roller kilns waste heat combustion air heating apparatus | |
| CN204027403U (en) | A kind of convection type flue gas heat exchange tube | |
| CN107192290A (en) | The many oval extended surface tube heat exchange elements of polygon fin | |
| CN203550216U (en) | Two-side reinforcing heat-transfer smoke tube of vertical type gas-fired hot water boiler | |
| CN203261503U (en) | High-efficiency energy-saving electrical radiant tube heater | |
| CN201503234U (en) | High efficiency energy-saving heat dissipating steel pipe with oval external surface and internal groove ribs | |
| CN105466213A (en) | Controllable cooling furnace body used for continuous sintering kiln | |
| CN105091652A (en) | Multistage finned tube capable of restraining frost formation and intensifying natural convection | |
| CN204463989U (en) | A kind of reactor with heat sinking function | |
| CN214892801U (en) | High-temperature-resistant heat conduction pipe | |
| CN205933952U (en) | Radiant tube bearing structure | |
| CN205373489U (en) | Increase heating pipe inner wall heat transfer area's carbon tube | |
| CN205048075U (en) | Thermal -insulated pipe of metal - ceramic temperature resistant | |
| CN109737455A (en) | A kind of heater combustion chamber cylinder of anti-unstability | |
| CN213480989U (en) | Aluminum bar heating furnace for solar frame aluminum alloy section | |
| CN207472111U (en) | Axial-grooved heat pipe in rib-type | |
| CN211876349U (en) | Water pipe boiler of heat pump | |
| CN212961699U (en) | Good preheater of stability | |
| CN203671881U (en) | Small-flow high-temperature-resistant and high-pressure-resistant electric heater | |
| CN107228592A (en) | The oval extended surface tube heat exchange element of oval fin list | |
| CN210051162U (en) | Corrosion-resistant thermal shock-resistant unburned brick |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |