CN203968426U - The steel pipe induction heating equipment of novel concurrent heating coil - Google Patents
The steel pipe induction heating equipment of novel concurrent heating coil Download PDFInfo
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- CN203968426U CN203968426U CN201420277991.3U CN201420277991U CN203968426U CN 203968426 U CN203968426 U CN 203968426U CN 201420277991 U CN201420277991 U CN 201420277991U CN 203968426 U CN203968426 U CN 203968426U
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Abstract
The steel pipe induction heating equipment that the utility model discloses a kind of novel concurrent heating coil, comprises casing, coil heats device and temperature probe; Described temperature probe is infrared optical fiber temperature probe; Described coil heats device comprises electromagnetic heater body, insulating sleeve, wire, fin and netted protective sleeve; On described casing, have some temperature measuring windows, temperature probe stretches into coil heats device through temperature probe fixing port, and described coil heats device is connected busbar and is connected with induction coil; Described temperature measuring window at least one, open on casing; On described coil heats device, have thermometer hole, thermometer hole be opened in temperature measuring window directly over and corresponding with temperature measuring window; The detecting head of described temperature probe is the outer surface from the close heated steel pipe of thermometer hole through temperature measuring window; The utility model is in the temperature equalization of steel pipe surfaces externally and internally, and product quality is high, has extended useful life, and cost of manufacture is very low, and without easily worn part, maintenance cost is few.
Description
Technical field
The utility model relates to a kind of steel pipe manufacture field, specifically a kind of steel pipe induction heating equipment of novel concurrent heating coil.
Background technology
Induction heating has fast, energy-conservation, efficiently, be convenient to the series of advantages such as automation, be widely used in metallurgical industry as heating, induction heating temperature General Requirements is accurately controlled, conventionally error can not exceed ± 20 DEG C, because the length of induction heater case is conventionally between 800～1000mm, how accurately to detect heating-up temperature, effectively control heating time and temperature, be directly connected to the last quality of steel pipe, for many years, the method that site operation personnel adopts is that steel pipe goes out the method by infrared instrument detected temperatures after coil, two problems that are difficult to avoid are produced thus, one, detect the about 10m of distance far away, add upper surface often with oxide skin, be difficult to accurately detect the actual temperature of steel pipe, its two, due to the whole heating process of steel pipe cannot be online detected temperatures at any time, cause steel pipe heating not or burning, affected tube quality, in addition because steel pipe has certain thickness, and existing load coil is all only outside steel pipe, so steel pipe inside and outside wall inevitably there will be the temperature difference, how accurately to control steel pipe heating-up temperature, stablize and improve the inherent quality of thickened steel-tube, be the difficult problem that steel pipe's production technical staff is concerned about and need to captures, be also that numerous operators expect always.
Summary of the invention
The purpose of this utility model is to provide one to add thermal balance, and quality is good, has extended useful life, and cost of manufacture is very low, without easily worn part, the steel pipe induction heating equipment of the novel concurrent heating coil that maintenance cost is few, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A steel pipe induction heating equipment for novel concurrent heating coil, comprises that casing, coil heats device, coil water inlet pipe, coil outlet pipe, induction coil connect busbar and temperature probe; Described temperature probe is infrared optical fiber temperature probe; Described coil heats device comprises electromagnetic heater body, insulating sleeve, wire, fin and netted protective sleeve; Described electromagnetic heater body is manufactured by magnetic material, and heater body is outside equipped with insulating sleeve; Between described heater body and insulating sleeve, leave gap; Described wire is wrapped on insulating sleeve; Described fin is welded on heater body inner side; Described fin is along heater body circumference, or arranges along heater body length direction; Described netted protective sleeve is manufactured by nonmetallic materials; Between described protective sleeve and wire, leave gap; Described electromagnetic heater cross section is set to circle, ellipse or rectangle; On described casing, have some temperature measuring windows, temperature probe stretches into coil heats device through temperature probe fixing port, and described coil heats device is connected busbar and is connected with induction coil; Described temperature measuring window at least one, open on casing; On described coil heats device, have thermometer hole, thermometer hole be opened in temperature measuring window directly over and corresponding with temperature measuring window; The detecting head of described temperature probe is the outer surface from the close heated steel pipe of thermometer hole through temperature measuring window; Described temperature probe is also covered with heat shield outward; The top card of described heat shield is on temperature measuring window.
Further, the AC power of logical 20-30KHz high-frequency alternating current in described wire.
Further, the detecting head of described temperature probe and the outer surface of heated steel pipe distance are 20～50mm.
Further, in described heat shield, be provided with cooling water circulation pipeline.
Compared with prior art; the utility model is all provided with a load coil at heated steel pipe inside and outside; make the temperature of steel pipe surfaces externally and internally more balanced; product quality is obviously improved; utilizing heat shield can effectively protect temperature probe not to be subject to the impact of hyperthermia radiation, extended useful life, and cost of manufacture is very low; without easily worn part, maintenance cost is few.
Brief description of the drawings
Fig. 1 is the structural representation of the steel pipe induction heating equipment of novel concurrent heating coil.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment; technical scheme in the utility model embodiment is clearly and completely described; obviously; described embodiment is only the utility model part embodiment; instead of whole embodiment; based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of steel pipe induction heating equipment of novel concurrent heating coil, comprises that casing 1, coil heats device 2, coil water inlet pipe 3, coil outlet pipe 4, induction coil connect busbar 5 and temperature probe 7; Described temperature probe 7 is infrared optical fiber temperature probe; Described coil heats device 2 comprises electromagnetic heater body 11, insulating sleeve 12, wire 13, fin 14 and netted protective sleeve 10; Described electromagnetic heater body 11 is manufactured by magnetic material, and heater body 15 is outside equipped with insulating sleeve 12; Between described heater body 15 and insulating sleeve 12, leave gap; Described wire 13 is wrapped on insulating sleeve 12; Described fin 14 is welded on heater body 15 inner sides; Described fin 14 can be along heater body 15 circumference, or arrange along heater body 15 length directions, and fin 14 increases heat exchange area; Described netted protective sleeve 10 use nonmetallic materials are manufactured; Between described protective sleeve 10 and wire 13, leave gap, the heat energy that wire 13 is produced enough leaves, and both safe handlings of guardwire 13, can ensure personal safety again; The AC power 9 of the interior logical 20-30KHz high-frequency alternating current of described wire 13; According to the principles of electric and electronic engineering, in the time that wire 13 passes into high-frequency alternating current, produce in coil high-frequency alternating magnetic field, under magnetic fields, the interior generation eddy current of heater body 15, makes heater body 15 produce high temperature, in the time that cold air is compressed through heater body by air blast 7, carry out heat exchange with heater body 15 and the fin 14 of high temperature, cold air is used after being heated to form hot blast; Described electromagnetic heater cross section is set to circle, ellipse or rectangle, on described casing 1, have some temperature measuring windows 6, temperature probe 7 stretches into coil heats device 2 through temperature probe fixing port 6, and described coil heats device 2 is connected busbar 5 and is connected with induction coil; Described temperature measuring window 6 at least one, open on casing 1; On described coil heats device 2, have thermometer hole 9, thermometer hole 9 be opened in temperature measuring window 6 directly over and corresponding one by one with temperature measuring window 6; The detecting head of described temperature probe 7 is the outer surface from thermometer hole 9 close heated steel pipes through temperature measuring window 6, and the detecting head of temperature probe 7 and the outer surface of heated steel pipe distance are 20～50mm; Because the temperature in casing 1 is very high, the high position in heating cabinet burns out temperature probe 7, the outer heat shield 8 that is also covered with of described temperature probe 7; The top card of described heat shield 8, on temperature measuring window 6, and is provided with cooling water circulation pipeline in heat shield 8; When work in order to ensure accurately to record the temperature of steel pipe, can avoid again temperature probe 7 to be burned, the optimum detection distance that affects useful life is, the test point of described temperature probe 7 is 20～50mm with the distance of outer surface of the heated steel pipe that is arranged in coil heats device 2.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form, therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, therefore be intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model, the any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Claims (4)
1. a steel pipe induction heating equipment for novel concurrent heating coil, comprises that casing (1), coil heats device (2), coil water inlet pipe (3), coil outlet pipe (4), induction coil connect busbar (5) and temperature probe (7); It is characterized in that, described temperature probe (7) is infrared optical fiber temperature probe; Described coil heats device (2) comprises electromagnetic heater body (11), insulating sleeve (12), wire (13), fin (14) and netted protective sleeve (10); Described electromagnetic heater body (11) is manufactured by magnetic material, and heater body (15) is outside equipped with insulating sleeve (12); Between described heater body (15) and insulating sleeve (12), leave gap; Described wire (13) is wrapped on insulating sleeve (12); Described fin (14) is welded on heater body (15) inner side; Described fin (14) is along heater body (15) circumference, or arranges along heater body (15) length direction; Described netted protective sleeve (10) is manufactured by nonmetallic materials; Between described protective sleeve (10) and wire (13), leave gap; Described electromagnetic heater cross section is set to circle, ellipse or rectangle; On described casing (1), have some temperature measuring windows (6), temperature probe (7) stretches into coil heats device (2) through temperature probe fixing port (6), and described coil heats device (2) is connected busbar (5) and is connected with induction coil; Described temperature measuring window (6) at least one, open on casing (1); On described coil heats device (2), have thermometer hole (9), thermometer hole (9) be opened in temperature measuring window (6) directly over and corresponding with temperature measuring window (6); The detecting head of described temperature probe (7) is the outer surface from the close heated steel pipe of thermometer hole (9) through temperature measuring window (6); The outer heat shield (8) that is also covered with of described temperature probe (7); The top card of described heat shield (8) is on temperature measuring window (6).
2. the steel pipe induction heating equipment of novel concurrent heating coil according to claim 1, is characterized in that, the AC power of logical 20-30KHz high-frequency alternating current in described wire (13).
3. the steel pipe induction heating equipment of novel concurrent heating coil according to claim 1, is characterized in that, the detecting head of described temperature probe (7) and the outer surface of heated steel pipe distance are 20～50mm.
4. the steel pipe induction heating equipment of novel concurrent heating coil according to claim 1, is characterized in that, described heat shield is provided with cooling water circulation pipeline in (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277991.3U CN203968426U (en) | 2014-05-28 | 2014-05-28 | The steel pipe induction heating equipment of novel concurrent heating coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277991.3U CN203968426U (en) | 2014-05-28 | 2014-05-28 | The steel pipe induction heating equipment of novel concurrent heating coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968426U true CN203968426U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277991.3U Expired - Fee Related CN203968426U (en) | 2014-05-28 | 2014-05-28 | The steel pipe induction heating equipment of novel concurrent heating coil |
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| Country | Link |
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| CN (1) | CN203968426U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323010A (en) * | 2016-11-15 | 2017-01-11 | 天津林立感应加热电炉制造有限公司 | Large-diameter liftable induction heating furnace ring |
| CN107360642A (en) * | 2017-07-13 | 2017-11-17 | 浙江新大塑料管件有限公司 | Steel moulds converting electromagnetic radiation automatic thermal shrinkage control system |
| CN110267380A (en) * | 2019-06-17 | 2019-09-20 | 任丘市锐思机械设备有限公司 | A kind of electromagnetic heater |
| CN111412650A (en) * | 2020-04-02 | 2020-07-14 | 中国航空工业集团公司北京长城计量测试技术研究所 | Large-flow pure air heater |
| CN115371256A (en) * | 2022-08-29 | 2022-11-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Heat storage and direct heating dual-purpose electromagnetic induction type air electric heater and using method thereof |
-
2014
- 2014-05-28 CN CN201420277991.3U patent/CN203968426U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323010A (en) * | 2016-11-15 | 2017-01-11 | 天津林立感应加热电炉制造有限公司 | Large-diameter liftable induction heating furnace ring |
| CN107360642A (en) * | 2017-07-13 | 2017-11-17 | 浙江新大塑料管件有限公司 | Steel moulds converting electromagnetic radiation automatic thermal shrinkage control system |
| CN110267380A (en) * | 2019-06-17 | 2019-09-20 | 任丘市锐思机械设备有限公司 | A kind of electromagnetic heater |
| CN111412650A (en) * | 2020-04-02 | 2020-07-14 | 中国航空工业集团公司北京长城计量测试技术研究所 | Large-flow pure air heater |
| CN115371256A (en) * | 2022-08-29 | 2022-11-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Heat storage and direct heating dual-purpose electromagnetic induction type air electric heater and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150528 |
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| EXPY | Termination of patent right or utility model |