CN111981887A - Thin-wall radiant tube - Google Patents
Thin-wall radiant tube Download PDFInfo
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- CN111981887A CN111981887A CN202010912492.7A CN202010912492A CN111981887A CN 111981887 A CN111981887 A CN 111981887A CN 202010912492 A CN202010912492 A CN 202010912492A CN 111981887 A CN111981887 A CN 111981887A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/34—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending obliquely
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/02—Constructions of heat-exchange apparatus characterised by the selection of particular materials of carbon, e.g. graphite
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention belongs to the technical field of radiant tubes, in particular to a thin-wall radiant tube, which comprises: a thin-walled radiant tube body; the spiral strip is arranged on the inner wall of the thin-wall radiant tube body; strengthen the bump, strengthen the bump and set up in the surface of thin-walled radiant tube body, a plurality of enhancement bumps correspond with the spiral strip, at the surperficial spiral evenly distributed of thin-walled radiant tube body. This thin wall radiant tube, through setting up the spiral strip and strengthening the bump, when using, carry out even heat conduction through the heat of spiral strip on with the thin wall radiant tube body, make the temperature on thin wall radiant tube body surface more even, and strengthen the heat conductivility that strip and high temperature resistant strip increase the spiral strip through strengthening the inslot, it has the effect that increases the hardness and the toughness of thin wall radiant tube body to strengthen the bump, thereby it is inhomogeneous to have solved current radiant tube surface temperature when using, influence the heating capacity and the heating quality of radiant tube, and reduced the life's of radiant tube problem.
Description
Technical Field
The invention relates to the technical field of radiant tubes, in particular to a thin-wall radiant tube.
Background
Thin-walled radiant tubes are currently beginning to be widely used in heating furnaces in the steel cold rolling industry as a new type of structure. The Inconel601 alloy material is adopted, so that the high temperature resistance and the corrosion resistance of the original material are improved. The steel is manufactured by adopting the thickness of 3mm, the cost is greatly reduced for manufacturing the whole furnace body steel structure, and the steel consumption can be saved by about 25 percent. Because the wall thickness is thinner, the heating time is shortened, and the consumption of energy of a production line can be reduced by about 40 percent compared with that of a cast tube with the thickness of 8 mm.
The overall operating efficiency of the production line is greatly improved in the speed of temperature rise and temperature reduction, the heating speed of the whole furnace area can be improved due to the thin wall thickness, volatilization of waste heat is reduced during temperature reduction, the temperature reduction speed is improved, and the production line can save time and reduce energy consumption in normal operation and maintenance.
In the combustion process, because the flue gas temperature in the flame zone is higher, the radiant heat flux density is high, and the wall temperature of the radiant tube is higher, a high-temperature section of the radiant tube is formed; in the course of heat exchange between flue gas and radiant tube along the course after flame zone, the flue gas temperature is gradually reduced, the radiant heat flow is reduced, the radiant tube temperature is lower, and the low-temperature section of radiant tube is formed. Therefore, the unevenness of the surface temperature of the radiant tube is inevitably caused, which not only affects the heating capacity and the heating quality of the radiant tube, but also reduces the service life of the radiant tube, so that a thin-walled radiant tube is required.
Disclosure of Invention
The invention provides a thin-wall radiant tube based on the technical problems that the surface temperature of the existing radiant tube is uneven when the existing radiant tube is used, the heating capacity and the heating quality of the radiant tube are influenced, and the service life of the radiant tube is shortened.
The invention provides a thin-wall radiant tube, which comprises: a thin-walled radiant tube body;
the spiral strip is arranged on the inner wall of the thin-wall radiant tube body;
the reinforcing convex points are arranged on the surface of the thin-wall radiant tube body, correspond to the spiral strips and are spirally and uniformly distributed on the surface of the thin-wall radiant tube body.
Preferably, the spiral strip is fixedly connected with the inner wall of the thin-wall radiant tube body through a spiral groove, the inner wall of the thin-wall radiant tube body is fixedly provided with the spiral groove, and the surface of the spiral strip is fixedly connected with the inner wall of the spiral groove.
Preferably, the surface of the spiral strip is fixedly provided with a reinforcing groove, and the inner wall of the reinforcing groove is fixedly connected with a high-temperature resistant strip.
Preferably, it is a plurality of high temperature resistant strip is at the inner wall evenly distributed of reinforcing groove, the fixed surface of high temperature resistant strip is connected with the reinforcing strip, the surface of reinforcing strip and the inner wall fixed connection of reinforcing groove, reinforcing strip and high temperature resistant strip are the graphite fiber preparation.
Preferably, the inner wall of the reinforcing groove is fixedly provided with a plurality of connecting grooves, the connecting grooves are uniformly distributed on the inner wall of the reinforcing groove, and one ends of the connecting grooves penetrate through and extend to the surface of the thin-wall radiant tube body.
Preferably, the inner wall of spread groove cup joints with the surface of strengthening the bump, the upper end of strengthening the bump is the arc shape, and the lower extreme is conical shape, the one end of strengthening the bump extends to the surface of thin wall radiant tube body, the fixed surface of strengthening the bump is connected with the articulamentum, the surface of articulamentum respectively with the inner wall fixed connection who strengthens groove and spread groove, the articulamentum is SiC/SIO3 composite biocoating.
Preferably, the surface of the connecting layer is fixedly connected with an anti-oxidation coating, the surface of the anti-oxidation coating is fixedly connected with the surface of the thin-wall radiant tube body, and GN-706B high-thermal-conductivity heat-dissipation nano composite ceramic paint is arranged inside the anti-oxidation coating.
Preferably, the spiral strip still includes the heat conduction strip, the inner wall fixed connection of heat conduction strip and thin wall radiant tube body, strengthen the bump still including heat conduction bump, the surface of heat conduction bump is half circular shape, and is a plurality of heat conduction bump is corresponding with the heat conduction strip, is spiral evenly distributed on the surface of thin wall radiant tube body.
Preferably, the heat-conducting salient points are made of ceramic materials, protective layers are fixedly connected to the surfaces of the heat-conducting salient points, and the protective layers are SiC/SIO3 composite coatings.
Preferably, the fixed surface of heat conduction strip has seted up the heat radiation hole, the one end in heat radiation hole is run through and is extended to the surface of inoxidizing coating, the inner wall fixedly connected with heat-conducting layer in heat radiation hole, the inside of heat-conducting layer is provided with graphite alkene.
The beneficial effects of the invention are as follows:
1. through setting up the spiral strip and strengthening the bump, when using, carry out even heat conduction through the heat on the spiral strip with the thin wall radiant tube body, make the temperature on thin wall radiant tube body surface more even, and strengthen the heat conductivility that strip and high temperature resistant strip increase the spiral strip through the strengthening groove, it has the hardness and the effect of toughness that increase the thin wall radiant tube body to strengthen the bump, thereby it is inhomogeneous to have solved current radiant tube surface temperature when using, influence the heating capacity and the heating quality of radiant tube, and reduced the life's of radiant tube problem.
2. Through setting up anti-oxidation coating, have wear-resisting durable, acid and alkali-resistance, corrosion-resistant, salt fog resistant, the ageing resistance, good dampproofing and waterproofing performance, heat conduction heat dissipation is stable, the high temperature cold and hot impact of coating resistance, the good effect of thermal shock resistance.
3. Through setting up heat conduction strip and heat conduction bump, when using, the heat conduction strip has the heat on the thin wall radiant tube body and transmits, make the more even effect of temperature on the thin wall radiant tube body, the heat conduction bump adopts ceramic manufacture, it is good to have the wearability, the hardness is strong, increase the wearability of thin wall radiant tube body and the effect of hardness, and have the heating performance and the heating quality who increase the radiant tube through the heat-conducting layer, thereby it is inhomogeneous to have solved current radiant tube surface temperature when using, influence the heating capacity and the heating quality of radiant tube, and reduced the life's of radiant tube problem.
Drawings
FIG. 1 is a schematic view of a thin-walled radiant tube according to the present invention;
FIG. 2 is a partial perspective view of a thin-walled radiant tube body structure according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a thin-walled radiant tube according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure A in FIG. 3 according to an embodiment of the present invention;
fig. 5 is a perspective view of a thin-wall radiant tube body structure in a second embodiment of the thin-wall radiant tube according to the present invention;
fig. 6 is a partial perspective view of a thin-wall radiant tube body structure in a second embodiment of the thin-wall radiant tube according to the present invention;
fig. 7 is a sectional view of a thin-walled radiant tube according to a second embodiment of the present invention;
fig. 8 is an enlarged view of a structure B in fig. 7 of a second embodiment of the thin-walled radiant tube according to the present invention.
In the figure: 1. a thin-walled radiant tube body; 101. a helical groove; 2. a helical strip; 201. a reinforcing groove; 202. high temperature resistant strips; 203. a reinforcing strip; 204. connecting grooves; 205. a connecting layer; 206. an oxidation resistant coating; 3. reinforcing the salient points; 21. a heat conducting strip; 2101. a heat radiation hole; 2102. a heat conductive layer; 31. heat conducting salient points; 3101. and (4) a protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a thin-walled radiant tube, as shown in fig. 1, includes: a thin-walled radiant tube body 1;
the spiral strip 2 is arranged on the inner wall of the thin-wall radiant tube body 1;
the reinforcing salient points 3 are arranged on the surface of the thin-wall radiant tube body 1, the plurality of reinforcing salient points 3 correspond to the spiral strips 2, and the reinforcing salient points 3 are spirally and uniformly distributed on the surface of the thin-wall radiant tube body 1;
as shown in fig. 1-4, the spiral strip 2 is fixedly connected with the inner wall of the thin-wall radiant tube body 1 through the spiral groove 101, the inner wall of the thin-wall radiant tube body 1 is fixedly provided with the spiral groove 101, the surface of the spiral strip 2 is fixedly connected with the inner wall of the spiral groove 101, the surface of the spiral strip 2 is fixedly provided with the reinforcing groove 201, the inner wall of the reinforcing groove 201 is fixedly connected with the high temperature resistant strip 202, the high temperature resistant strips 202 are uniformly distributed on the inner wall of the reinforcing groove 201, the surface of the high temperature resistant strip 202 is fixedly connected with the reinforcing strip 203, the surface of the reinforcing strip 203 is fixedly connected with the inner wall of the reinforcing groove 201, and both the reinforcing strip 203 and the high;
the reinforcing groove 201 can be arranged on the inner wall of the spiral strip 2, and then the high temperature resistant strips 202 and the reinforcing strips 203 are fixed in the reinforcing groove 201 in a grid-shaped distribution;
the inner wall of the reinforcing groove 201 is fixedly provided with a connecting groove 204, a plurality of connecting grooves 204 are uniformly distributed on the inner wall of the reinforcing groove 201, one end of each connecting groove 204 penetrates through and extends to the surface of the thin-wall radiant tube body 1, the inner wall of each connecting groove 204 is sleeved with the surface of the reinforcing convex point 3, the upper end of each reinforcing convex point 3 is in an arc shape, and the lower end of each reinforcing convex point 3 is in a conical shape;
furthermore, the reinforcing salient points 3 are made of graphite;
one end of the reinforcing salient point 3 extends to the surface of the thin-wall radiant tube body 1, the surface of the reinforcing salient point 3 is fixedly connected with a connecting layer 205, the surface of the connecting layer 205 is fixedly connected with the inner walls of the reinforcing groove 201 and the connecting groove 204 respectively, the connecting layer 205 is a SiC/SIO3 composite coating, the surface of the connecting layer 205 is fixedly connected with an antioxidant coating 206, the surface of the antioxidant coating 206 is fixedly connected with the surface of the thin-wall radiant tube body 1, and GN-706B high-thermal-conductivity heat-dissipation nano composite ceramic coating is arranged inside the antioxidant coating 206;
after the connecting groove is opened, the reinforcing salient points 3 are placed in, then the connecting layer 205 is filled, and finally the anti-oxidation coating 206 is coated on the outer surface of the connecting layer 205;
by arranging the spiral strips 2 and the reinforcing convex points 3, when the thin-wall radiant tube is used, heat on the thin-wall radiant tube body 1 is uniformly conducted through the spiral strips 2, so that the temperature of the surface of the thin-wall radiant tube body 1 is more uniform, the heat conducting performance of the spiral strips 2 is improved through the reinforcing strips 203 and the high temperature resistant strips 202 in the reinforcing grooves 201, and the reinforcing convex points 3 have the effect of improving the hardness and toughness of the thin-wall radiant tube body 1, so that the problems that the surface temperature of the existing radiant tube is uneven when the existing radiant tube is used, the heating capacity and the heating quality of the radiant tube are influenced, and the service life of the radiant tube is shortened are solved;
by arranging the anti-oxidation coating 206, the coating has the effects of wear resistance, durability, acid and alkali resistance, corrosion resistance, salt mist resistance, aging resistance, good moisture and water resistance, stable heat conduction and heat dissipation, high-temperature cold and hot impact resistance and good thermal shock resistance;
as shown in fig. 5-8, the spiral strip 2 further includes a heat conducting strip 21, the heat conducting strip 21 is fixedly connected to the inner wall of the thin-wall radiant tube body 1, the reinforcing salient point 3 further includes a heat conducting salient point 31, the surface of the heat conducting salient point 31 is in a semicircular shape, a plurality of heat conducting salient points 31 correspond to the heat conducting strip 21, the surface of the thin-wall radiant tube body 1 is spirally and uniformly distributed, the heat conducting salient point 31 is made of a ceramic material, the surface of the heat conducting salient point 31 is fixedly connected with a protective layer 3101, the protective layer 3101 is a SiC/SIO3 composite coating, the surface of the heat conducting strip 21 is fixedly provided with a heat radiating hole 2101, one end of the heat radiating hole 2101 penetrates through and extends to the surface of the protective layer 3101, the inner wall of the heat radiating hole 2101 is fixedly connected;
through setting up heat conduction strip 21 and heat conduction bump 31, when using, heat conduction strip 21 has the heat on to thin wall radiant tube body 1 and transmits, make the more even effect of the temperature on the thin wall radiant tube body 1, heat conduction bump 31 adopts ceramic manufacture, it is good to have the wearability, the hardness is strong, increase the wearability of thin wall radiant tube body 1 and the effect of hardness, and have the heating performance and the heating quality that increase the radiant tube through heat-conducting layer 2102, thereby it is inhomogeneous to have solved current radiant tube surface temperature when using, influence the heating capacity and the heating quality of radiant tube, and reduced the life's of radiant tube problem.
Example one
Referring to fig. 1-4, a thin-walled radiant tube, the thin-walled radiant tube comprising: a thin-walled radiant tube body 1;
the spiral strip 2 is arranged on the inner wall of the thin-wall radiant tube body 1;
the reinforcing salient points 3 are arranged on the surface of the thin-wall radiant tube body 1, the reinforcing salient points 3 correspond to the spiral strips 2, and the reinforcing salient points are spirally and uniformly distributed on the surface of the thin-wall radiant tube body 1;
the spiral strip 2 is fixedly connected with the inner wall of the thin-wall radiant tube body 1 through the spiral groove 101, the spiral groove 101 is fixedly formed in the inner wall of the thin-wall radiant tube body 1, the surface of the spiral strip 2 is fixedly connected with the inner wall of the spiral groove 101, the reinforcing groove 201 is fixedly formed in the surface of the spiral strip 2, the inner wall of the reinforcing groove 201 is fixedly connected with the high-temperature resistant strip 202, the high-temperature resistant strips 202 are uniformly distributed on the inner wall of the reinforcing groove 201, the reinforcing strip 203 is fixedly connected with the surface of the high-temperature resistant strip 202, the surface of the reinforcing strip 203 is fixedly connected with the inner wall of the reinforcing groove 201, and the reinforcing strip 203 and the high;
the reinforcing groove 201 can be arranged on the inner wall of the spiral strip 2, and then the high temperature resistant strips 202 and the reinforcing strips 203 are fixed in the reinforcing groove 201 in a grid-shaped distribution;
the inner wall of the reinforcing groove 201 is fixedly provided with a connecting groove 204, a plurality of connecting grooves 204 are uniformly distributed on the inner wall of the reinforcing groove 201, one end of each connecting groove 204 penetrates through and extends to the surface of the thin-wall radiant tube body 1, the inner wall of each connecting groove 204 is sleeved with the surface of a reinforcing convex point 3, the upper end of each reinforcing convex point 3 is in an arc shape, the lower end of each reinforcing convex point is in a conical shape, one end of each reinforcing convex point 3 extends to the surface of the thin-wall radiant tube body 1, the surface of each reinforcing convex point 3 is fixedly connected with a connecting layer 205, the surface of each connecting layer 205 is fixedly connected with the inner walls of the reinforcing groove 201 and the connecting groove 204 respectively, each connecting layer 205 is a SiC/SIO3 composite coating, the surface of each connecting layer 205 is fixedly connected with an antioxidant coating 206, the surface of each antioxidant coating 206 is fixedly connected with the surface;
after the connecting groove is opened, the reinforcing salient points 3 are placed in, then the connecting layer 205 is filled, and finally the anti-oxidation coating 206 is coated on the outer surface of the connecting layer 205;
by arranging the spiral strips 2 and the reinforcing convex points 3, when the thin-wall radiant tube is used, heat on the thin-wall radiant tube body 1 is uniformly conducted through the spiral strips 2, so that the temperature of the surface of the thin-wall radiant tube body 1 is more uniform, the heat conducting performance of the spiral strips 2 is improved through the reinforcing strips 203 and the high temperature resistant strips 202 in the reinforcing grooves 201, and the reinforcing convex points 3 have the effect of improving the hardness and toughness of the thin-wall radiant tube body 1, so that the problems that the surface temperature of the existing radiant tube is uneven when the existing radiant tube is used, the heating capacity and the heating quality of the radiant tube are influenced, and the service life of the radiant tube is shortened are solved;
through setting up anti-oxidation coating 206, have wear-resisting durable, acid and alkali-resistance, corrosion-resistant, salt fog resistant, the ageing resistance, good dampproofing and waterproofing performance, heat conduction heat dissipation is stable, the high temperature cold and hot impact of coating resistance, the good effect of thermal shock resistance.
Example two
Referring to fig. 5-8, a thin-walled radiant tube, the thin-walled radiant tube comprising: a thin-walled radiant tube body 1;
the spiral strip 2 is arranged on the inner wall of the thin-wall radiant tube body 1;
the reinforcing salient points 3 are arranged on the surface of the thin-wall radiant tube body 1, the plurality of reinforcing salient points 3 correspond to the spiral strips 2, and the reinforcing salient points 3 are spirally and uniformly distributed on the surface of the thin-wall radiant tube body 1;
the spiral strip 2 further comprises a heat conducting strip 21, the heat conducting strip 21 is fixedly connected with the inner wall of the thin-wall radiant tube body 1, the reinforcing salient points 3 further comprise heat conducting salient points 31, the surfaces of the heat conducting salient points 31 are in a semicircular shape, a plurality of heat conducting salient points 31 correspond to the heat conducting strip 21, the surfaces of the thin-wall radiant tube body 1 are spirally and uniformly distributed, the heat conducting salient points 31 are made of ceramic materials, a protective layer 3101 is fixedly connected to the surfaces of the heat conducting salient points 31, the protective layer 3101 is a SiC/SIO3 composite coating, heat radiation holes 2101 are fixedly formed in the surfaces of the heat conducting strip 21, one ends of the heat radiation holes 2101 penetrate through and extend to the surfaces of the protective layer 3101, heat conducting layers 2102 are fixedly connected to the inner walls of the heat radiation holes 2101;
through setting up heat conduction strip 21 and heat conduction bump 31, when using, heat conduction strip 21 has the heat on to thin wall radiant tube body 1 and transmits, make the more even effect of the temperature on the thin wall radiant tube body 1, heat conduction bump 31 adopts ceramic manufacture, it is good to have the wearability, the hardness is strong, increase the wearability of thin wall radiant tube body 1 and the effect of hardness, and have the heating performance and the heating quality that increase the radiant tube through heat-conducting layer 2102, thereby it is inhomogeneous to have solved current radiant tube surface temperature when using, influence the heating capacity and the heating quality of radiant tube, and reduced the life's of radiant tube problem.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A thin-walled radiant tube characterized in that: the thin-walled radiant tube comprises: a thin-walled radiant tube body (1);
the spiral strip (2) is arranged on the inner wall of the thin-wall radiant tube body (1);
strengthen bump (3), strengthen bump (3) and set up in the surface of thin wall radiant tube body (1), it is a plurality of strengthen bump (3) and spiral strip (2) corresponding, at the surperficial spiral evenly distributed of thin wall radiant tube body (1).
2. The thin-walled radiant tube of claim 1, wherein: the inner wall fixed connection of helical strip (2) and thin wall radiant tube body (1) through helicla flute (101), helicla flute (101) have been seted up to the inner wall of thin wall radiant tube body (1), the surface of helical strip (2) and the inner wall fixed connection of helicla flute (101).
3. A thin-walled radiant tube as claimed in claim 2 wherein: the surface of the spiral strip (2) is fixedly provided with a reinforcing groove (201), and the inner wall of the reinforcing groove (201) is fixedly connected with a high-temperature resistant strip (202).
4. A thin-walled radiant tube as claimed in claim 3 wherein: a plurality of high temperature resistant strip (202) are at the inner wall evenly distributed of reinforcing groove (201), the fixed surface of high temperature resistant strip (202) is connected with reinforcing strip (203), the surface of reinforcing strip (203) and the inner wall fixed connection of reinforcing groove (201), reinforcing strip (203) and high temperature resistant strip (202) are the graphite fiber preparation.
5. The thin-walled radiant tube of claim 4, wherein: the inner wall of strengthening groove (201) is fixed to be seted up and is connect groove (204), and is a plurality of connect groove (204) are at the inner wall evenly distributed of strengthening groove (201), the one end of connect groove (204) is run through and is extended to the surface of thin wall radiant tube body (1).
6. The thin-walled radiant tube of claim 5, wherein: the inner wall of spread groove (204) cup joints with the surface of strengthening bump (3), the upper end of strengthening bump (3) is the arc shape, and the lower extreme is conical shape, the one end of strengthening bump (3) extends to the surface of thin wall radiant tube body (1), the fixed surface of strengthening bump (3) is connected with articulamentum (205), the surface of articulamentum (205) respectively with strengthen the inner wall fixed connection in groove (201) and spread groove (204), articulamentum (205) are SiC/SIO3 composite biocoating.
7. The thin-walled radiant tube of claim 6, wherein: the surface of the connecting layer (205) is fixedly connected with an anti-oxidation coating (206), the surface of the anti-oxidation coating (206) is fixedly connected with the surface of the thin-wall radiant tube body (1), and GN-706B high-thermal-conductivity heat-dissipation nano composite ceramic paint is arranged inside the anti-oxidation coating (206).
8. The thin-walled radiant tube of claim 1, wherein: spiral strip (2) still include heat conduction strip (21), the inner wall fixed connection of heat conduction strip (21) and thin wall radiant tube body (1), strengthen bump (3) still including heat conduction bump (31), the surface of heat conduction bump (31) is half circular shape, and is a plurality of heat conduction bump (31) are corresponding with heat conduction strip (21), are spiral evenly distributed on the surface of thin wall radiant tube body (1).
9. The thin-walled radiant tube of claim 8, wherein: the heat conduction salient points (31) are made of ceramic materials, the surfaces of the heat conduction salient points (31) are fixedly connected with protective layers (3101), and the protective layers (3101) are SiC/SIO3 composite coatings.
10. The thin-walled radiant tube of claim 8, wherein: the surface of the heat conducting strip (21) is fixedly provided with a heat radiation hole (2101), one end of the heat radiation hole (2101) penetrates through the surface of the protective layer (3101) and extends to the surface of the protective layer, the inner wall of the heat radiation hole (2101) is fixedly connected with a heat conducting layer (2102), and graphene is arranged inside the heat conducting layer (2102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010912492.7A CN111981887B (en) | 2020-09-03 | 2020-09-03 | Thin-wall radiant tube |
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|---|---|---|---|
| CN202010912492.7A CN111981887B (en) | 2020-09-03 | 2020-09-03 | Thin-wall radiant tube |
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| CN111981887B CN111981887B (en) | 2021-07-16 |
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| CN107643004A (en) * | 2016-07-22 | 2018-01-30 | 德州华春环保科技有限公司 | A kind of graphene heat exchanger |
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2020
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| US5697430A (en) * | 1995-04-04 | 1997-12-16 | Wolverine Tube, Inc. | Heat transfer tubes and methods of fabrication thereof |
| CN1203288C (en) * | 1998-03-13 | 2005-05-25 | 株式会社神户制钢所 | Falling film type heat exchanger tube |
| JP2000234887A (en) * | 1999-02-16 | 2000-08-29 | Kubota Corp | Heat exchanging bent tube having inner face protrusion |
| CN102012135A (en) * | 2009-09-07 | 2011-04-13 | 上海汽车空调配件有限公司 | Composited tube structure for air conditioner pipeline |
| CN107643004A (en) * | 2016-07-22 | 2018-01-30 | 德州华春环保科技有限公司 | A kind of graphene heat exchanger |
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| CN111981887B (en) | 2021-07-16 |
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