CN201294651Y - Switching type pipe electromagnetic-induction heater - Google Patents
Switching type pipe electromagnetic-induction heater Download PDFInfo
- Publication number
- CN201294651Y CN201294651Y CNU2008202211098U CN200820221109U CN201294651Y CN 201294651 Y CN201294651 Y CN 201294651Y CN U2008202211098 U CNU2008202211098 U CN U2008202211098U CN 200820221109 U CN200820221109 U CN 200820221109U CN 201294651 Y CN201294651 Y CN 201294651Y
- Authority
- CN
- China
- Prior art keywords
- open
- frame plate
- annular framework
- induction heater
- load coil
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- General Induction Heating (AREA)
Abstract
A folding-type conduit electromagnetic induction heater is characterized by comprising an annular framework which is formed by a left and a right semi-ring shaped frame boards (12), (6) combined together in the way of relative locking, wherein the left and the right frame boards form the folding-type annular framework which can rotate around a pivot shaft through the mode with one ends articulated, the width of the section of the annular framework is larger than that of a steel tube on a weld pore segment needing warm-up, an upper and a lower insulating plates (8) and an inductive heating coil (5) arranged between the upper and the lower insulating plates are arranged between vertical plates laterally arranged on the front and the rear of the left and the right semi-ring shaped frame boards formed the annular framework, the inductive heating coil is fixed through a locating clamp (9), and the inductive heating coil on the opening end of the annular framework is in a breakaway structure, the breakaway end of the inductive heating coil is electrically connected through a knife-type switch (10) which is arranged on the opening end of the annular framework, and a plurality of support wheels (2) are evenly arranged around two sides of the annular framework.
Description
Technical field
The utility model relates to the welding procedure technology in the long-distance transmission pipeline construction, is a kind of open-close type pipeline electromagnetic induction heater that is used for the pipeline construction pipe end preheating specifically.
Background technology
Along with fast development of national economy, more and more big to the demand of the energy.The great development of the western oil of China, natural gas and the transnational energy all adopt the heavy caliber long distance pipeline to domestic conveying.As the transfering natural gas from the west to the east two wires engineering of building.Diameter of steel tube Φ 1219mm, wall thickness 18.4-33mm, material X80 steel, length number a thousand li.According to the pipeline construction welding procedure specification (WPS), adopt the above high grade of steel tubing of X60, line up preheating before the welding is to guarantee welding quality in pipeline construction, prevents bead crack, pore, shrinkage cavity, the necessary technology that defectives such as slag inclusion take place.X80 steel pipe mouth preheat temperature is 100 ℃-120 ℃, the about 100mm of width.Conventional method was to be that the ring type fired heater line up preheating heat temperature raising speed of fuel is slow with oil liquefied gas in the past, and difficulty is transported in the field simultaneously.For heavy caliber, thick-walled pipe, the liquefied gas of one jar of 15kg can only heat 3-5 road weld bond, and the lpg consumption amount is big, particularly, heat weld bond one, need more than 10 minute in the winter construction of cold, work efficiency is low, far can not adapt to the high-quality and efficient needs of current pipe-line construction.
Summary of the invention
The purpose of this utility model provide at existing weak point in the above-mentioned prior art just a kind of adapt to field operation environment realize safe, reliable, light, flexible, be convenient to operation, and be easy to the open-close type pipeline electromagnetic induction heater of vehicle-mounted motor-driven resettlement.This heater adopts the electromagnetic induction technology, power current passes through power inverter, high-frequency current is imported the open-close type heater, produce magnetic field line up heating in mouth of pipe both sides, this technology that is converted into heat energy by electric energy not only has homogeneous heating, quick heating, characteristics that efficient is high, and good energy-conserving effect, non-environmental-pollution.
The purpose of this utility model can take following technique measures to realize:
Open-close type pipeline electromagnetic induction heater of the present utility model comprises the annular frame that the frame plate of the left and right semi-round ring shape structure that is combined by the mode with relative fastening is formed, described left and right frame plate constitutes the open-close type annular frame that can rotate around hinge by the hinged mode of an end, and the width of the cross section of annular frame is greater than the width of need preheating weld bond section steel pipe; Be provided with up and down two-layer insulation board and be arranged on the load coil between two-layer insulation board up and down between the front and back side riser of the frame plate of the left and right semi-round ring shape structure of looping framework, load coil is fixed by positioning splint; Described load coil is the breakaway-element structure at the openend of annular frame, and the open end of load coil is electrically connected by being installed in the special disconnecting link formula switch of annular frame openend; Be provided with a plurality of support wheels around the annular frame both sides in uniform mode.The setting of support wheel can make heater along being heated steel shaft to moving flexibly, being shifted rapidly when preheat temperature reaches requirement, welds immediately.
Front and back side riser described in the utility model is fixed together with a following group pull bar along the equally distributed group pull bar of going up of annulus circumference by horizontally set; Described upper and lower two-layer insulation board places the top of upper and lower group of pull bar respectively.
The hinged end of the frame plate of the left and right semi-round ring shape structure of the looping framework described in the utility model is provided with two fanning strips in front and back that heater played aligning and supporting role, and about on every fanning strip one group of support wheel is arranged; Two fanning strips combine by the hinge of connection axis hole that is positioned at the position, intermediate portion and the frame plate that is used for hinged left and right semi-round ring shape structure.
The power input of the load coil described in the utility model connects with power line by the snap joint that is installed on the ring frame frame plate.
Load coil in the utility model is that the high frequency alternating current is converted into high-frequency alternating magnetic field, and this magnetic field generates the alternation vortex current being heated on the mouth of pipe, and vortex current overcomes and is heated that resistance produces heat in the tube metal, realizes induction heating.
Power supply of the present utility model adopts the IGBT high frequency electric source---and be the solid-state transistor inverter, claim insulated gate bipolar transistor again, be MOS type structure power-type power electronic device.Have the input impedance height, open shutoff fast, lower on-state voltage drop, shutoff a series of technical characterstics such as (thyristor are that load is turn-offed) are opened in control.This power supply is with modularization, the integrated principal character that turns to, and is in light weight, volume is little, and heat treatment at home at present, forging, melting industry have obtained increasingly extensive application.
The utlity model has following beneficial effect:
1) volume is little, and is in light weight, is convenient to the on-the-spot continuous productive process of pipeline construction; 2) dismounting of power line, installation and induction coil opens, turn-offs easily and fast; 3) efficiency of heating surface height, quick heating, per minute heats up greater than 50 ℃, and energy-saving effect is remarkable; 4) heater total system safety, reliable, durable is guaranteed to blow, is rained, the normal operation under the severe cold, heat condition.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is that the B of Fig. 1 is to view.
Fig. 4 is the structure principle chart of knife switch part among Fig. 1.
Sequence number among the figure: the 1st, fanning strip, the 2nd, support wheel, the 3rd, last group of pull bar, the 4th, hinge, the 5th, load coil, the 6th, correct frame plate, the 7th, following group pull bar, the 8th, insulation board, the 9th, positioning splint, the 10th, knife switch, the 11st, snap joint, the 12nd, left frame plate, the 13rd, guillotine type switch upper bed-plate, the 14th, guillotine type switch lower bottom base, the 15th, power line, the 16th, blade of knife switch, the 17th, elastic contact chip.
Specific embodiments
The utility model is further described below with reference to embodiment (accompanying drawing):
As Fig. 1, Fig. 2, shown in Figure 3, open-close type pipeline electromagnetic induction heater of the present utility model comprises the annular frame that the frame plate 12,6 of the left and right semi-round ring shape structure that is combined by the mode with relative fastening is formed, described left and right frame plate 12,6 constitutes the open-close type annular frame that can rotate around hinge 4 by the hinged mode of an end, and the width of the cross section of annular frame is greater than the width of need preheating weld bond section steel pipe; Between the front and back side riser of the frame plate of the left and right semi-round ring shape structure of looping framework, be provided with up and down two-layer insulation board 8 and be arranged on the load coil 5 between two-layer insulation board up and down, load coil 5 is fixed by positioning splint 9, front and back side riser is fixed together with following group pull bar 7 along the equally distributed group pull bar 3 of going up of annulus circumference by horizontally set, and described upper and lower two-layer insulation board 8 places the top of upper and lower group of pull bar 3,7 respectively; Described load coil is the breakaway-element structure at the openend of annular frame, and the open end of load coil is electrically connected by the disconnecting link formula switch 10 that is installed in the annular frame openend; Be provided with a plurality of support wheels 2 around the annular frame both sides in uniform mode.The setting of support wheel can make heater along being heated steel shaft to moving flexibly, being shifted rapidly when preheat temperature reaches requirement, welds immediately.The power input of described load coil connects with power line by the snap joint 11 that is installed on the ring frame frame plate.
The hinged end of the frame plate of the left and right semi-round ring shape structure of the looping framework described in the utility model is provided with two fanning strips 1 in front and back that heater played aligning and supporting role, and about on every fanning strip one group of support wheel 2 is arranged; Two fanning strips hinge 4 by connection axis hole that is positioned at the position, intermediate portion and the frame plate that is used for hinged left and right semi-round ring shape structure combine (referring to Fig. 3).
Claims (4)
1, a kind of open-close type pipeline electromagnetic induction heater, it is characterized in that: this heater comprises the frame plate (12) of the left and right semi-round ring shape structure that is combined by the mode with relative fastening, the annular frame that (6) are formed, described left and right frame plate (12), (6) constitute the open-close type annular frame that can rotate around hinge by the hinged mode of an end, and the width of the cross section of annular frame is greater than the width of need preheating weld bond section steel pipe; Be provided with upper and lower two-layer insulation board (8) and be arranged on the load coil (5) between two-layer insulation board up and down between the front and back side riser of the frame plate of the left and right semi-round ring shape structure of looping framework, load coil is fixed by positioning splint (9); Described load coil is the breakaway-element structure at the openend of annular frame, and the open end of load coil is electrically connected by the disconnecting link formula switch (10) that is installed in the annular frame openend; Be provided with a plurality of support wheels (2) around the annular frame both sides in uniform mode.
2, open-close type pipeline electromagnetic induction heater according to claim 1 is characterized in that: described front and back side riser is fixed together along equally distributed upward group pull bar (3) of annulus circumference and following group pull bar (7) by horizontally set; Described upper and lower two-layer insulation board (8) places the top of upper and lower group of pull bar (3), (7) respectively.
3, open-close type pipeline electromagnetic induction heater according to claim 1, it is characterized in that: the hinged end of the frame plate of the left and right semi-round ring shape structure of described looping framework is provided with two fanning strips in front and back (1) that heater played aligning and supporting role, and about on every fanning strip one group of support wheel (2) is arranged; Two fanning strips combine by the hinge of connection axis hole that is positioned at the position, intermediate portion and the frame plate that is used for hinged left and right semi-round ring shape structure.
4, open-close type pipeline electromagnetic induction heater according to claim 1 is characterized in that: the power input of described load coil connects with power line by the snap joint (11) that is installed on the ring frame frame plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202211098U CN201294651Y (en) | 2008-11-19 | 2008-11-19 | Switching type pipe electromagnetic-induction heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202211098U CN201294651Y (en) | 2008-11-19 | 2008-11-19 | Switching type pipe electromagnetic-induction heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294651Y true CN201294651Y (en) | 2009-08-19 |
Family
ID=41008133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202211098U Expired - Fee Related CN201294651Y (en) | 2008-11-19 | 2008-11-19 | Switching type pipe electromagnetic-induction heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294651Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| CN103957617A (en) * | 2014-04-17 | 2014-07-30 | 陕西安川机电有限公司 | Open-close type electromagnetic induction heater |
| CN104942493A (en) * | 2015-07-30 | 2015-09-30 | 青岛海越机电科技有限公司 | Electromagnetic induction heating method of large-size steel container |
| CN105887681A (en) * | 2014-12-17 | 2016-08-24 | 中铁山桥集团有限公司 | Bridge u-rib preheating robot |
| CN111014472A (en) * | 2019-12-28 | 2020-04-17 | 上海淇键实业发展有限公司 | Electromagnetic induction heating method for large arc-shaped metal workpiece |
-
2008
- 2008-11-19 CN CNU2008202211098U patent/CN201294651Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489908A (en) * | 2011-12-31 | 2012-06-13 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| CN102489908B (en) * | 2011-12-31 | 2015-02-04 | 茂名重力石化机械制造有限公司 | Prestressed elongation heating device for rapid cooling heat exchanger |
| CN103957617A (en) * | 2014-04-17 | 2014-07-30 | 陕西安川机电有限公司 | Open-close type electromagnetic induction heater |
| CN103957617B (en) * | 2014-04-17 | 2016-01-20 | 陕西安川机电有限公司 | A kind of open-close type electromagnetic induction heater |
| CN105887681A (en) * | 2014-12-17 | 2016-08-24 | 中铁山桥集团有限公司 | Bridge u-rib preheating robot |
| CN104942493A (en) * | 2015-07-30 | 2015-09-30 | 青岛海越机电科技有限公司 | Electromagnetic induction heating method of large-size steel container |
| CN104942493B (en) * | 2015-07-30 | 2016-08-17 | 青岛海越机电科技有限公司 | A kind of electromagnetic-induction heating method of large-sized steel container |
| CN111014472A (en) * | 2019-12-28 | 2020-04-17 | 上海淇键实业发展有限公司 | Electromagnetic induction heating method for large arc-shaped metal workpiece |
| CN111014472B (en) * | 2019-12-28 | 2022-02-22 | 上海淇键实业发展有限公司 | Electromagnetic induction heating method for large arc-shaped metal workpiece |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201294651Y (en) | Switching type pipe electromagnetic-induction heater | |
| CN100491884C (en) | Power-frequency induction gradient temperature heating oven | |
| CN103643025B (en) | Method of improving toughness of novel martensite heat-resistant steel A355P91 welding seam | |
| CN101905402A (en) | Electromagnetic induction heating auxiliary welding line shaping device with impact grinding during welding | |
| CN207971590U (en) | A kind of flame heated type moves rail welding preheating and annealing device | |
| CN107828958A (en) | Post weld heat treatment branch stake tool and post weld heat treatment support meanss | |
| CN201678702U (en) | Resultant magnetic field online rail welding seam normalizing medium frequency inductor | |
| CN107877874B (en) | Heat dissipation type ceramic honeycomb panel heating welding device | |
| CN206550177U (en) | A kind of efficient bend forming machine | |
| CN203900749U (en) | Rotational friction resistance butt welding mechanism | |
| CN201288531Y (en) | Electromagnetic heater for oil and gas field well top | |
| CN106837193A (en) | Frequency Induction Heating umbilical and preparation method thereof | |
| CN107041025A (en) | A kind of novel bimodal carbon fiber heating rod | |
| CN203099828U (en) | Preheating heater for heavy plate | |
| CN205775671U (en) | Channel suspending rail welding point sensing normalizing device | |
| CN205874484U (en) | Excavator thrust wheel neck and electromagnetic induction heating of end portion frock | |
| CN201875339U (en) | Electric smelting sleeve connecting device for intermediate sections of outer sheath of preset buried heat-insulation pipe elbow | |
| CN103132008A (en) | Induction heater and method for realizing non-preheating cladding of alloy on steel rail by using same | |
| CN201393313Y (en) | Breakpoint-less soft tape type electromagnetic induction heater | |
| CN209602375U (en) | A kind of glass bar material clamping output device | |
| CN203015161U (en) | Haversian type electromagnetic heater | |
| CN107557529A (en) | A kind of U-shaped scrap heating system | |
| CN205732910U (en) | A kind of low-pressure die casting plant based on induction heating technique | |
| CN106277741A (en) | A kind of mineral wool slag drainage system and using method thereof | |
| CN209184828U (en) | A kind of anti-corrosion electric heated protective set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111119 |