CN204240810U - A kind of heating tube - Google Patents
A kind of heating tube Download PDFInfo
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- CN204240810U CN204240810U CN201420663814.9U CN201420663814U CN204240810U CN 204240810 U CN204240810 U CN 204240810U CN 201420663814 U CN201420663814 U CN 201420663814U CN 204240810 U CN204240810 U CN 204240810U
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- protection tube
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Abstract
The utility model discloses a kind of heating tube, comprise protection tube and heating element heater, wherein, be also included in the fire-proof supporting bracer of protection tube inner bottom surface, described fire-proof supporting bracer is arranged between heating element heater and protection tube.The utility model adds fire-proof supporting bracer by the protection tube inside at heating tube; heating element heater and protection tube tube wall are separated; avoid the direct contact protection tube wall of heating element heater; make the protection tube tube wall very sensitive to variations in temperature can not produce the too high situation of local heating; enhance the Durability of protection tube tube wall; reduce the consumable quantity of protection tube, promote the economy of single unit system.
Description
Technical field
The utility model relates to metal processing sectors, particularly a kind of heating tube.
Background technology
In recent years, along with chemical industry, manufacturing fast development, the Aluminum Industry in The World big producing country stage is stepped in Chinese aluminum industry.The manufacture of aluminum products also improves constantly along with the lifting of manufacturing industry production requirement, and the purification for aluminum products requires also to improve thereupon.
In metal smelting process, in the manufacture process of especially aluminum products, deaerating chamber heating system is one of conventional equipment.Aluminium alloy melt flows to casting machine from deaerating chamber, reaches the object of purifying aluminum alloy liquid.
Deaerating chamber heating system during zero load, provides enough heats to metal, with holding temperature and make temperature return, instead of for giving METAL HEATING PROCESS in casting process, wherein heating tube is the electrically heated key element of deaerating chamber heating system, and the making of heating tube uses silicon nitride combined silicon carbide material or sialon bi-material usually.
Heating tube in prior art in typical deaerating chamber heating system, usually uses silicon nitride combined silicon carbide material or sialon bi-material as the protection tube tube wall of heating tube, uses Elema as heating element heater.During installation, heating element heater is directly positioned in heating tube, then heating tube entirety is loaded in deaerating chamber, carry out intensification and use.
In above-mentioned existing heating tube, the material advantages of protection tube tube wall is that heat conductivility is fabulous, can be good at the heat production of heating element heater to be delivered in deaerating chamber.The shortcoming of this technology is that protection tube tube wall is thinner, usually only have 10 millimeter, and this pipe wall material is very sensitive for temperature, when contacting the heating element heater of high temperature, local heating may be caused higher, can damage tube wall.In addition, heating tube is placed in aluminium liquid in use, due to the impact of buoyancy, causes heating tube to fluctuate and swings, thus more increases the possibility of heating tube damage.
Therefore, the life cycle life-span of existing heating tube is short, not only wastes material, also wastes the time changing heating tube, brings negative impact to the process of aluminum products manufacture.
In sum, how improving heating tube service life, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of heating tube, this heating tube long service life.
For achieving the above object, the utility model provides following technical scheme:
A kind of heating tube, comprise protection tube and heating element heater, wherein, be also included in the fire-proof supporting bracer of described protection tube inner bottom surface, described fire-proof supporting bracer is arranged between described heating element heater and described protection tube.
Preferably, also comprise fixture, described fixture is arranged on described protection tube mouth of pipe place, for described protection tube is fixed on system mounting platform.
Preferably, described fixture comprises upper flange plate, and described upper flange plate is on described protection tube end face, and described upper flange plate internal diameter is less than described protection tube mouth of pipe external diameter, and described upper flange plate is for being fixed on system mounting platform.
Preferably; described fixture comprises internal diameter and is less than the upper flange plate of described protection tube external diameter and the lower flange for being fixedly connected with system mounting platform; described upper flange plate is on described protection tube mouth of pipe end face, and described upper flange plate is fixedly connected with described lower flange.
Preferably, dismountable preheating device be enclosed within outside described protection tube is also comprised.
Preferably, described preheating device is preheating cabinet or baking oven.
Preferably, also comprise heat-proof device, described heat-proof device has through hole, and described heating element heater is inserted in described through hole.
Preferably, described heat-proof device comprises and is connected to the first heat-proof device of the described protection tube mouth of pipe, the second heat-proof device in described protection tube and/or the 3rd heat-proof device on fire-proof supporting bracer; On the screw rod that what described first heat-proof device and described second heat-proof device were all fixing be enclosed within described protection tube.
Preferably, described fire-proof supporting bracer is fire clay thermal insulation layer.
The utility model adds fire-proof supporting bracer by the protection tube inside at heating tube; heating element heater and protection tube tube wall are separated; avoid the direct contact protection tube wall of heating element heater; make the protection tube tube wall very sensitive to variations in temperature can not produce the too high situation of local heating; also just avoid the too high tube wall caused of local temperature to damage; enhance the Durability of protection tube tube wall, reduce the consumable quantity of protection tube, promote the economy of single unit system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 provides by the utility model the sectional view of the specific embodiment of heating tube;
Fig. 2 provides by the utility model the sectional view of another specific embodiment of heating tube;
Fig. 3 provides by the utility model the top view of another specific embodiment of heating tube.
Detailed description of the invention
Core of the present utility model is to provide a kind of heating tube, this heating tube long service life.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 1 provides by the utility model the sectional view of the specific embodiment of heating tube.
The heating tube that the present embodiment provides comprises protection tube 12 and the heating element heater 2 of heating tube, protection tube 12 for bottom be hemispheroidal cylinder long tube, there is boss mouth of pipe periphery, for being connected to system heating platform, heating tube can not be dropped; Heating element heater 2 is globar, and number is two.
Optionally, the shape of protection tube 12, the number of heating element heater 2, shape and material can adjust according to user demand, are not limited to the mode shown in the present embodiment.
Also comprise the fire-proof supporting bracer 19 bottom protection tube 12 in device, fire-proof supporting bracer 19 is the fire clay thermal insulation layers selecting fire clay heat-barrier material to make.Fire-proof supporting bracer 19 is arranged on the bottom of protection tube 12, and after heating element heater 2 is put into protection tube 12, the bottom of heating element heater 2 can contact with fire-proof supporting bracer 19, and fire-proof supporting bracer 19 plays and supports heating element heater 2 and the effect isolating heating element heater 2 and protection tube 12.
Optionally, fire-proof supporting bracer 19 also can select other refractory insulating layers, only needs to play to support heating element heater 2 and heat insulation effect.
In addition; also comprise the heat-proof device be arranged on protection tube 12; heat-proof device is the thermal insulation of cylindrical bodies layer that ceramic fibre material is made; the through hole passed for screw rod 3 and heating element heater 2 is axially had at heat-proof device; this heat-proof device is enclosed within screw rod 3, and carries out axial location with the nut 20 on screw rod 3.Heat-proof device can be arranged on the diverse location in protection tube 12; comprise the first heat-proof device 7 being arranged on protection tube 12 mouth of pipe; be arranged on the second heat-proof device 13 in the middle part of protection tube 12, be arranged on the 3rd heat-proof device 14 on the fire-proof supporting bracer 19 in protection tube 12 in addition in addition.The external diameter of the first heat-proof device 7 is greater than the external diameter of protection tube 12 mouth of pipe, for the first heat-proof device 7 is stuck in protection tube 12 mouth of pipe place.The structure for the addition of two the second heat-proof devices 13 shown in Fig. 1.
Optionally, nut 20 also can replace to the device that other play fixation.
Optionally, heat-proof device also can be the thermal insulation layer of other materials, and shape and connected mode all can adjust according to demand.The quantity of the second heat-proof device 13 also can carry out increasing or reducing.
Optionally, at the dismountable preheating device of the arranged outside of protection tube 12, the effect of preheating device carries out preheating to protection tube 12, and to improve bulk temperature, after avoiding formal use, heating element heater 2 temperature increases too fast, produces damage protection tube 12.
Optionally, also comprise heating chamber thermometric galvanic couple 1 in the present embodiment, this heating chamber thermometric galvanic couple 1 stretches in protection tube, reaches the effect of measuring heating tube internal temperature.
The heating tube that above-described embodiment provides; by adding fire-proof supporting bracer 19 in the bottom of protection tube 12; effectively can intercept the tube wall of the direct contact protection pipe 12 of heating element heater 2; protection tube 12 is made to avoid the temperatures involved of heating element heater 2; can not therefore damage; reach the object of protection heating tube, and then improve heating tube service life.
Under normal circumstances, after heating tube is put into deaerating chamber, owing to being placed in aluminium liquid or other metal liquids, heating tube can be subject to buoyancy, causes heating tube to fluctuate and to swing, float and swing process in heating tube can be damaged.So, need, on the basis of above-described embodiment, to improve heating tube, can not swing because buoyancy produces, avoid the possibility destroyed.
Please refer to Fig. 2 and Fig. 3, Fig. 2 provides by the utility model the sectional view of another specific embodiment of heating tube, and Fig. 3 provides by the utility model the top view of another specific embodiment of heating tube.
The heating tube that the present embodiment provides mainly comprises protection tube 12, heating element heater 2, fire-proof supporting bracer 19 and for heating tube being fixed on the fixture on system mounting platform 6.
Protection tube 12 for bottom be hemispheroidal cylinder long tube, there is boss the periphery of the mouth of pipe, for being connected with fixture; Heating element heater 2 is globar, and number is four; Heating element heater 2 installs additional magnalium braid over braid coupling assembling 16, controls for the electrical connection realizing heating element heater 2.Also be included in the fire-proof supporting bracer 19 bottom protection tube 12 in device, effect and optional embodiment same as the previously described embodiments.Optionally, other modes also can be adopted to realize electrical connection and control, mode is not unique.
In order to strengthen the connection of fixture and protection tube 12, fixture being set as the form of double flange, being divided into upper flange plate 8 and lower flange 9.As shown in Figure 2, lower flange 9 has the cylinder of hierarchic structure for inwall, and cascaded surface is for supporting the boss of protection tube 12 mouth of pipe periphery.Upper flange plate 8 and lower flange 9 have the screw hole of same position, upper flange plate 8 and lower flange 9 are fixed together by screw 4.And on upper flange plate 8 with lower flange 9, there is bolt hole, being fixed for installing fillister head screw 17.
Optionally, fixture also can be a upper flange plate 8, and upper flange plate 8 is placed on the mouth of pipe of protection tube 12, and the interior diameter of upper flange plate 8 is less than the overall diameter of protection tube 12 mouth of pipe.Upper flange plate 8 there is bolt hole, being fixed for installing fillister head screw 17.Optionally, also can be bolt or other fixed forms.
In addition; also comprise the heat-proof device be arranged on protection tube 12; heat-proof device is the thermal insulation of cylindrical bodies layer that ceramic fibre material is made; the through hole passed for screw rod 3 and heating element heater 2 is axially had cylindrical; this heat-proof device is enclosed within screw rod 3, and carries out axial location with the nut 20 on screw rod 3.Heat-proof device can be arranged on the diverse location in protection tube 12; comprise the first heat-proof device 7 being arranged on protection tube 12 mouth of pipe; be arranged on the second heat-proof device 13 in the middle part of protection tube 12, be arranged on the 3rd heat-proof device 14 in protection tube 12 on fire-proof supporting bracer 19 in addition in addition.The mode for being provided with second heat-proof device 13 shown in Fig. 2 and Fig. 3.Optionally, nut 20 also can replace to the device that other play fixation.
Optionally, heat-proof device also can be the thermal insulation layer of other materials, and shape and connected mode all can adjust according to demand.The quantity of the second heat-proof device 13 also can carry out increasing or reducing.
Optionally, at the dismountable preheating device of the arranged outside of protection tube 12, the effect of preheating device is heated protection tube 12, and to improve bulk temperature, after avoiding formal use, temperature increases too fast and damages protection tube 12.
Optionally, fixture is not limited to flange disk device, and any device that protection tube can be fixed on system mounting platform 6, can as embodiment of the present utility model.
Optionally, heating tube sealing gasket 10 being set between lower flange 9 and system mounting platform 6, for sealing between heating tube and system mounting platform 6, ceramic fibre or other materials can being selected.
Optionally, also comprise heating chamber thermometric galvanic couple 1 in the present embodiment, this heating chamber thermometric galvanic couple 1 stretches in protection tube, reaches the effect of measuring heating tube internal temperature.In addition, heating element heater 2 installs suspension rod 18 additional, can the materials such as heat-resistance stainless steel be selected, in using, operate heating tube.Optionally, heating system insulating assembly 11 is provided with in the installing hole for fixing heating tube on system mounting platform 6.
The concrete installation process of the heating tube that the present embodiment provides is as follows: upper flange plate 8 and lower flange 9 are separately fixed at protection tube 12 mouth of pipe boss above with below, be fixed with bolt 4 between upper flange plate 8 and lower flange 9; Fire-proof supporting bracer 19 is arranged on the inner bottom part of protection tube 12; Fire-proof supporting bracer 19 in protection tube installs the 3rd heat-proof device 14, screw rod 3 is installed the nut 20 for fixing the second heat-proof device 13, and the second heat-proof device 13 is enclosed within screw rod 3, then the first heat-proof device 7 is enclosed within screw rod 3, and the nut 20 coordinated with screw rod 3 is installed above the first heat-proof device 7, mounted heat-proof device and screw rod 3 are put into protection tube 12, with the edge card of the first heat-proof device 7 on the upper flange plate 8 at protection tube 12 mouth of pipe place, heating element heater 2 is inserted in the through hole on heat-proof device; Protection tube 12 is connected with preheating device, carries out pre-heating temperature elevation; After reaching preheat temperature, preheating device is pulled down, heating tube entirety is placed in the installing hole on system mounting platform 6, with fillister head screw 17, upper flange plate 8 and lower flange 9 is fixed on system mounting platform 6.
Upper flange plate 8, lower flange 9 are fixed on system mounting platform 6 by said method fillister head screw 17, limit the position of protection tube 12, ensure the buoyancy that protection tube 12 can not produce because of aluminium liquid and move up and down and swing.
The heating tube that the present embodiment provides by adding fire-proof supporting bracer 19 bottom protection tube 12; heating element heater 2 and protection tube 12 tube wall are separated; avoid heating element heater 2 directly contact protection pipe 12 tube wall; avoid protection tube 12 tube wall caused because local temperature is too high to damage; enhance the Durability of protection tube 12; reduce the consumable quantity of protection tube 12, promote the economy of single unit system.Heat-proof device is added between protection tube 12 inside, heating element heater 2; avoid heating element heater 2 directly contact protection pipe 12 on the one hand; cause protection tube 12 to damage, avoid due to close together between heating element heater 2 on the other hand, and produce the efficiency of heating surface that short circuit causes and reduce.
By adding fixture, protection tube 12 is fixed on system mounting platform 6; avoid heating tube because the protection tube 12 fluctuating and swing and cause that the reasons such as buoyancy occur damages; improve the service life of heating tube further, improve the economy of heating tube.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the utility model.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a heating tube; comprise protection tube (12) and heating element heater (2); it is characterized in that; also be included in the fire-proof supporting bracer (19) of described protection tube (12) inner bottom surface, described fire-proof supporting bracer (19) is arranged between described heating element heater (2) and described protection tube (12).
2. device according to claim 1; it is characterized in that; also comprise fixture, described fixture is arranged on described protection tube (12) mouth of pipe place, for described protection tube (12) is fixed on system mounting platform (6).
3. heating tube according to claim 2; it is characterized in that; described fixture comprises upper flange plate (8); described upper flange plate (8) is on described protection tube (12) end face; described upper flange plate (8) internal diameter is less than described protection tube (12) mouth of pipe external diameter, and described upper flange plate (8) is for being fixed on system mounting platform (6).
4. heating tube according to claim 2; it is characterized in that; described fixture comprises internal diameter and is less than the upper flange plate (8) of described protection tube (12) external diameter and the lower flange (9) for being fixedly connected with system mounting platform (6); described upper flange plate (8) is on described protection tube (12) mouth of pipe end face, and described upper flange plate (8) is fixedly connected with described lower flange (9).
5. the heating tube according to any one of Claims 1-4, is characterized in that, also comprises dismountable preheating device being enclosed within described protection tube (12) outside.
6. heating tube according to claim 5, is characterized in that, described preheating device is preheating cabinet or baking oven.
7. the heating tube according to any one of Claims 1-4, is characterized in that, also comprises heat-proof device, and described heat-proof device has through hole, and described heating element heater (2) is inserted in described through hole.
8. heating tube according to claim 7, it is characterized in that, described heat-proof device comprises and is connected to first heat-proof device (7) of described protection tube (12) mouth of pipe, the second heat-proof device (13) in described protection tube (12) and/or the 3rd heat-proof device (14) on fire-proof supporting bracer (19); On the screw rod (3) that what described first heat-proof device (7) and described second heat-proof device (13) were all fixing be enclosed within described protection tube (12).
9. the heating tube according to any one of Claims 1-4, is characterized in that, described fire-proof supporting bracer is fire clay thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663814.9U CN204240810U (en) | 2014-11-07 | 2014-11-07 | A kind of heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420663814.9U CN204240810U (en) | 2014-11-07 | 2014-11-07 | A kind of heating tube |
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| Publication Number | Publication Date |
|---|---|
| CN204240810U true CN204240810U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420663814.9U Active CN204240810U (en) | 2014-11-07 | 2014-11-07 | A kind of heating tube |
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| CN (1) | CN204240810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390470A (en) * | 2014-11-07 | 2015-03-04 | 西南铝业（集团）有限责任公司 | Heating pipe and installation method thereof |
| CN111854431A (en) * | 2020-07-10 | 2020-10-30 | 吴书平 | Heating system in immersive stove |
-
2014
- 2014-11-07 CN CN201420663814.9U patent/CN204240810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390470A (en) * | 2014-11-07 | 2015-03-04 | 西南铝业（集团）有限责任公司 | Heating pipe and installation method thereof |
| CN111854431A (en) * | 2020-07-10 | 2020-10-30 | 吴书平 | Heating system in immersive stove |
| CN111854431B (en) * | 2020-07-10 | 2021-02-19 | 吴书平 | Heating system in immersive stove |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |