CN103170777A - Metal pipe butt-joint circumferential seam heating device - Google Patents
Metal pipe butt-joint circumferential seam heating device Download PDFInfo
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- CN103170777A CN103170777A CN2013100905112A CN201310090511A CN103170777A CN 103170777 A CN103170777 A CN 103170777A CN 2013100905112 A CN2013100905112 A CN 2013100905112A CN 201310090511 A CN201310090511 A CN 201310090511A CN 103170777 A CN103170777 A CN 103170777A
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Abstract
The invention relates to a metal pipe butt-joint circumferential seam heating device. The metal pipe butt-joint circumferential seam heating device is characterized by comprising a height-adjustable machine frame, a heating device and a control unit, wherein the heating device and the control unit are both arranged on the machine frame, and the heating device heats a butt-joint circumferential seam to be processed under the control of the control unit according to set temperate and time. The metal pipe butt-joint circumferential seam heating device has the advantage that a natural gas combustor is upgraded by introducing an international advanced combustion principle and a method. As an advanced combustor, the metal pipe butt-joint circumferential seam heating device is capable of largely improving the heating quality of a product, adopts an advanced heating method, introduces heating parameter automatic control functions such as automatic ignition and taking off of the flame, and automatic temperature control, reduces the interference from man-made factors, enables heating of a product to be even and controllable, improves the quality of the product and utilization rate of energy, and improves the operation environment of a production workshop.
Description
Technical field
The present invention relates to a kind of metal pipe docking circumferential weld heater.
Background technology
Boiler header circumferential weld weld preheating/postwelding disappears in the hydrogen operating process, manufactures the workshop and uses at present traditional large gun barrel (spit tube) to carry out the preheating/hydrogen that disappears operation to circumferential seams of header.Adopt this kind method to have following shortcoming: the first, to be heated metal pipe-wall and to be heated inhomogeneously, very easily cause the weldquality defective; The second, use spit tube heating tube wall, the efficiency of heating surface is poor, and efficiency of energy utilization is low, has wasted a large amount of natural gas resources.Three, heating effect by manually-operated and control, lacks temperature survey, monitoring.
Summary of the invention
Technical problem to be solved by this invention is to improve circumferential seams of header weld preheating/postwelding hydrogen heating quality that disappears, and improves the effective rate of utilization of natural gas, reduces the combustion gas loss, increases simultaneously automatic ignition/temperature regulating device, guarantees product quality.
In order to solve the problems of the technologies described above, technical scheme of the present invention has been to provide a kind of metal pipe docking circumferential weld heater, it is characterized in that: comprise adjustable for height frame, heater and control module, heater and control module all are located on frame, and heater is treated processing according to design temperature and time under the control of control module docking circumferential weld heats.
Preferably, described heater or be the ringwise heating ring structure of global shape, the metal pipe of the metal pipe of rotation status carries out 360 ° of hoop homogeneous heatings to being in not by the heating ring structure, comprises that perhaps two are the heat blocks that angle is arranged.
Preferably, described heating ring structure comprises left semi-circular framework and right semi-circular framework, the hinged rear formation annular frame in the end of left semi-circular framework and right semi-circular framework, hinged place at left semi-circular framework and right semi-circular framework is provided with the locking position handle, inboard at annular frame along the circumferential direction is evenly equipped with heating arrangements, and heating arrangements is controlled by described control module.
Preferably, described heating arrangements adopts metallic fiber Combustion of Premixed technology, comprise the metallic fiber heating plate, be provided with breather pipe on the metallic fiber heating plate, welding equipment has nut on breather pipe, and nut screws in described annular frame, is built-in with air blast in described control module, air blast with air with input to breather pipe after imflammable gas mixes, make the metallic fiber heating plate be in the hyperthermia radiation fired state in working order.
Preferably, be provided with on described annular frame be used to controlling described heating arrangements and stretch out the expansion regulating mechanism of indentation.
Preferably, described expansion regulating mechanism comprises threaded change, is equipped with a change at each described metallic fiber heating edges of boards, and change screws in described nut.
Preferably, be connected by included angle regulating mechanism between two described heat blocks, make two angle a between described heat block regulate in 70 °～150 ° by included angle regulating mechanism.
Preferably, described included angle regulating mechanism comprises the arc angle scale, be provided with the through hole that is positioned at diverse location on the arc angle scale, the arc angle scale is fixed on a described heat block, the middle part of angular adjustment bar is hinged fixing, the inboard of one end is stretched in through hole, is provided with operating grip in its outside, and the other end and the described heat block of another piece are connected and fixed.
preferably, described control module comprises main control unit, the infrared temperature checkout gear, alarm unit and display unit, main control unit connects the infrared temperature checkout gear, alarm unit and display unit, detected the actual heating-up temperature of described heater by the infrared temperature checkout gear, by main control unit, actual heating-up temperature and predefined heating-up temperature are compared, if do not mate, adjust heating-up temperature by main control unit, this main control unit is also to carrying out self-clocking actual heat time heating time, after reaching default heat time heating time, control the heater autostop by main control unit, perhaps ought not reach default heat time heating time, after described heater is stopped heating, controlling heater by main control unit shuts down and reports to the police by coupled alarm unit.
Preferably, described frame comprises platform, intersection crane, hydraulic jack, support and wheel, bottom at support is provided with wheel, platform is located on support by the intersection crane, controlling the intersection crane by hydraulic jack rises and descends, the end of crane of intersecting is connected by bearing pin with platform and support respectively, intersect crane the other end respectively with platform and support sliding-contact.
The present invention contrasts prior art following beneficial effect: by introducing advanced burning theory and method, the combustion of natural gas utensil is updated, improve efficiency of energy utilization and reach more than 70%.Device provided by the invention is easy and simple to handle, and advanced design is applied widely, can adapt to the heating of most of specification circumferential seams of header, and homogeneous heating.Introduce automatic point/passs fire when adopting advanced heating means, the heating parameters automatic control function such as temperature automatically controlled, minimizing interference from human factor, make the product homogeneous heating controlled, improve product quality, improved in the lump efficiency of energy utilization, improved the operating environment of workshop.
Description of drawings
Fig. 1 is the schematic diagram of the metal pipe docking circumferential weld heater of a kind of structure provided by the invention;
Fig. 2 is the schematic diagram of heating ring structure;
Fig. 3 is the schematic diagram after the heating ring structure is opened;
Fig. 4 is the schematic diagram that frame is in propradation;
Fig. 5 is the schematic diagram that frame is in the decline state;
Fig. 6 is the schematic diagram of the metal pipe docking circumferential weld heater of another kind of structure provided by the invention.
The specific embodiment
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.
As shown in Figure 1, a kind of metal pipe docking circumferential weld heater that the present embodiment provides comprises the ringwise heating ring 1 of global shape, adjustable for height frame 2 and control module 3.Heating ring 1, control module 3 are installed on frame 2 by circuit/pipeline/screw thread/methods such as welding.
In conjunction with Fig. 2,1 pair, heating ring structure is in not that the metal pipe of the metal pipe of rotation status carries out 360 ° of hoop homogeneous heatings, and it mainly is comprised of annular frame 10, change 11, metallic fiber heating plate 12, roller 13 and locking position handle 14 etc.Annular frame 10 comprises left semi-circular framework and right semi-circular framework, is connected by bearing pin between left semi-circular framework and right semi-circular framework, makes left semi-circular framework to overturn, and as shown in Figure 3, after upset put in place, its flip angle was 140 °.After left semi-circular framework inwardly overturns and puts in place, then by 14 lockings of locking position handle.Be designed with roller 13 in the outside of left semi-circular framework, roller 13 is tightened by bolt and nut, and the wheel 24 on roller 13 and frame 2 is used in conjunction with, and can make apparatus of the present invention enter fast station.The present invention adopts metallic fiber Combustion of Premixed technology, week metallic fiber heating plate 12 is installed upwards in annular frame 10 inboards, all be designed with a breather pipe on every metallic fiber heating plate 12, all welding equipment has nut on every breather pipe, control module 3 comprises air blast, air blast with air with input to breather pipe after imflammable gas as natural gas and so on mixes, make metallic fiber heating plate 12 be in the hyperthermia radiation fired state in working order, the docking circumferential weld is realized the flame heating.Be designed with change 11 by every metallic fiber heating plate 12, be designed with screw thread and groove in change 11, change 11 is threaded onto in the nut of metallic fiber heating plate 12, is arranged on again afterwards on annular frame 10, at the groove location place of change 11, back-up ring is installed and is sealed.By the rotation position of 11 pairs of metallic fiber heating plates 12 of change on annular frame 10 adjusting.
In conjunction with Fig. 4 and Fig. 5, frame 2 mainly is comprised of platform 20, intersection crane 21, hydraulic jack 22, support 23 and wheel 24.Install between platform 20 and support 23 and intersect crane 21 and hydraulic jack 22, connect by straight pin and split pin.The left end of intersection crane 21 is designed to bearing pin and connects, and right-hand member is designed to sliding-contact, by regulating the support bar in hydraulic jack 22, the lifting/lowering stroke of platform 20 is controlled.In the bottom of support 23, wheel 24 is installed, connects by straight pin and split pin.
control module 3 comprises main control unit, main control unit connects infrared temperature checkout gear and air blast, detected the actual heating-up temperature of described heater by the infrared temperature checkout gear, by main control unit, actual heating-up temperature and predefined heating-up temperature are compared, if do not mate, reached the purpose of controlling heating-up temperature by the intake velocity of adjusting air blast by main control unit, this main control unit is also to carrying out self-clocking actual heat time heating time, after reaching default heat time heating time, controlling heater by main control unit shuts down, perhaps ought not reach default heat time heating time, after described heater is stopped heating, controlling heater by main control unit shuts down and reports to the police by coupled alarm unit.
The course of work of above-mentioned metal pipe docking circumferential weld heater is:
Step 3, the infrared temperature checkout gear in apparatus of the present invention is moved to the circumferential seams of header position, after normal operation, compare predefined temperature in actual Flame Heating Temperature and control module 3, record heat time heating time and Temperature numerical.After apparatus of the present invention heating is completed, frame 2 is reduced as far as possible, open annular frame 10, can remove apparatus of the present invention by rapid moving.
As shown in Figure 6, the another kind of metal pipe docking circumferential weld heater that the present embodiment provides comprises frame 2, control module 3 and heat block 4.Heat block 4, control module 3 are installed on frame 2 by circuit/pipeline/screw thread/methods such as welding.
Two heat blocks 4 are angle to be arranged, one of them heat block 4 is designed to be fixedly connected with, and another heat block 4 is designed to bearing pin and connects, and can overturn downwards, and the angle a scope between two heat blocks 4 is: 70 °～150 °.The arc angle scale 41 that has the through hole that is positioned at diverse location is fixed on the fixing heat block 4 in position, the middle part of angular adjustment bar 42 is hinged fixing, the inboard of one end is stretched in through hole, is provided with operating grip 43 in its outside, and the other end and another piece heat block 4 are connected and fixed.Heat block 4 employing metallic fiber the same manner as in Example 1 Combustion of Premixed technology comprises at least one metallic fiber heating plate, all is designed with a breather pipe on every metallic fiber heating plate.
The course of work of above-mentioned metal pipe docking circumferential weld heater is:
Step 3, the infrared temperature checkout gear in apparatus of the present invention is moved to the circumferential seams of header position, after normal the unlatching, compare the predefined temperature in actual Flame Heating Temperature and control module 3, record heat time heating time and Temperature numerical.
Although the present invention can disclose as above with preferred embodiments; but be not to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can do a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (10)
1. a metal pipe docks the circumferential weld heater, it is characterized in that: comprise adjustable for height frame (2), heater and control module (3), heater and control module (3) all are located on frame (2), and heater is treated processing according to design temperature and time under the control of control module (3) docking circumferential weld heats.
2. a kind of metal pipe as claimed in claim 1 docks the circumferential weld heater, it is characterized in that: described heater or for the ringwise heating ring structure of global shape (1), the metal pipe of the metal pipe of rotation status carries out 360 ° of hoop homogeneous heatings to being in not by heating ring structure (1), comprises that perhaps two are the heat block (4) that angle is arranged.
3. a kind of metal pipe as claimed in claim 2 docks the circumferential weld heater, it is characterized in that: described heating ring structure (1) comprises left semi-circular framework and right semi-circular framework, the hinged rear formation annular frame in the end of left semi-circular framework and right semi-circular framework (10), be provided with locking position handle (14) in the hinged place of left semi-circular framework and right semi-circular framework, inboard at annular frame (10) along the circumferential direction is evenly equipped with heating arrangements, and heating arrangements is controlled by described control module (3).
4. a kind of metal pipe as claimed in claim 3 docks the circumferential weld heater, it is characterized in that: described heating arrangements adopts metallic fiber Combustion of Premixed technology, comprise metallic fiber heating plate (12), be provided with breather pipe on metallic fiber heating plate (12), welding equipment has nut on breather pipe, nut screws in described annular frame (10), described control module (3) comprises air blast, air blast with air with input to breather pipe after imflammable gas mixes, make metallic fiber heating plate (12) be in the hyperthermia radiation fired state in working order.
5. a kind of metal pipe docking circumferential weld heater as claimed in claim 4, is characterized in that: be provided be used to controlling described heating arrangements on described annular frame (10) and stretch out the expansion regulating mechanism of indentation.
6. a kind of metal pipe as claimed in claim 5 docks the circumferential weld heater, it is characterized in that: described expansion regulating mechanism comprises threaded change (11), be equipped with a change (11) on each described metallic fiber heating plate (12) limit, change (11) screws in described nut.
7. a kind of metal pipe as claimed in claim 2 docks the circumferential weld heater, it is characterized in that: be connected by included angle regulating mechanism between two described heat blocks (4), make the angle a between two described heat blocks (4) regulate in 70 °～150 ° by included angle regulating mechanism.
8. a kind of metal pipe as claimed in claim 7 docks the circumferential weld heater, it is characterized in that: described included angle regulating mechanism comprises arc angle scale (41), be provided with the through hole that is positioned at diverse location on arc angle scale (41), arc angle scale (41) is fixed on a described heat block (4), the middle part of angular adjustment bar (42) is hinged fixing, the inboard of one end is stretched in through hole, be provided with operating grip (43) in its outside, the other end and the described heat block of another piece (4) are connected and fixed.
9. a kind of metal pipe as claimed in claim 1 docks the circumferential weld heater, it is characterized in that: described control module (3) comprises main control unit, the infrared temperature checkout gear, alarm unit and display unit, main control unit connects the infrared temperature checkout gear, alarm unit and display unit, detected the actual heating-up temperature of described heater by the infrared temperature checkout gear, by main control unit, actual heating-up temperature and predefined heating-up temperature are compared, if do not mate, adjust heating-up temperature by main control unit, this main control unit is also to carrying out self-clocking actual heat time heating time, after reaching default heat time heating time, controlling heater by main control unit shuts down, perhaps ought not reach default heat time heating time, after described heater is stopped heating, controlling heater by main control unit shuts down and reports to the police by coupled alarm unit.
10. a kind of metal pipe as claimed in claim 1 docks the circumferential weld heater, it is characterized in that: described frame (2) comprises platform (20), intersection crane (21), hydraulic jack (22), support (23) and wheel (24), be provided with wheel (24) in the bottom of support (23), platform (20) is located on support (23) by intersection crane (21), controlling intersection crane (21) by hydraulic jack (22) rises and descends, one end of intersection crane (21) is connected by bearing pin with platform (20) and support (23) respectively, intersect crane (21) the other end respectively with platform (20) and support (23) sliding-contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100905112A CN103170777A (en) | 2013-03-20 | 2013-03-20 | Metal pipe butt-joint circumferential seam heating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100905112A CN103170777A (en) | 2013-03-20 | 2013-03-20 | Metal pipe butt-joint circumferential seam heating device |
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| CN103170777A true CN103170777A (en) | 2013-06-26 |
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| CN2013100905112A Pending CN103170777A (en) | 2013-03-20 | 2013-03-20 | Metal pipe butt-joint circumferential seam heating device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489904A (en) * | 2011-11-14 | 2012-06-13 | 铜陵市弘润机电有限责任公司 | Welding support |
| CN104451076A (en) * | 2014-12-31 | 2015-03-25 | 无锡透平叶片有限公司 | Method for conducting partial heat treatment on martensitic precipitated hardening stainless steel after repair welding |
| CN104456002A (en) * | 2014-11-25 | 2015-03-25 | 哈电集团（秦皇岛）重型装备有限公司 | Supporting device of electric heater for circular seam local heat treatment |
| CN105149828A (en) * | 2015-10-21 | 2015-12-16 | 安徽安凯汽车股份有限公司 | Passenger car body side wall skin welding and lifting device |
| CN106583973A (en) * | 2016-12-15 | 2017-04-26 | 中国水利水电第十二工程局有限公司 | Heating device and method for heating steel pipe circular seams by using heating device |
| CN107457510A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of high stability roller surface Bead weld repair equipment |
| CN109112270A (en) * | 2018-09-30 | 2019-01-01 | 扬州市管件厂有限公司 | Synchronous adjustment formula multi-port flame heating quenching device |
| CN109580686A (en) * | 2018-11-22 | 2019-04-05 | 国网天津市电力公司电力科学研究院 | One kind being suitable for high voltage isolation switch contact silver coating and detects special stand |
| CN111014874A (en) * | 2019-12-27 | 2020-04-17 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Automatic welding heating control device and operation method thereof |
| CN112903738A (en) * | 2021-02-02 | 2021-06-04 | 郑州大学 | Movable multi-surface heating test device |
| CN114770006A (en) * | 2022-05-20 | 2022-07-22 | 何枷玲 | Laser cutting machine fixture fixing device |
| CN115011815A (en) * | 2022-06-20 | 2022-09-06 | 吉安创成环保科技有限责任公司 | Zero-emission recycling treatment method for organic waste liquid |
| CN117245188A (en) * | 2023-11-17 | 2023-12-19 | 淄博市特种设备检验研究院 | Special plasma welding equipment for large-diameter boiler shell |
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| CN203356863U (en) * | 2013-03-20 | 2013-12-25 | 上海锅炉厂有限公司 | Metal tube butt-joint circular seam heating device |
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| US5186755A (en) * | 1990-05-29 | 1993-02-16 | Commercial Resins Company | Girth weld heating and coating system |
| JPH06278212A (en) * | 1993-03-29 | 1994-10-04 | Kubota Corp | Induction welding work coil |
| CN201376585Y (en) * | 2009-02-25 | 2010-01-06 | 中国石化股份胜利油田分公司海洋采油厂 | Cart type mobile lifting platform |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489904A (en) * | 2011-11-14 | 2012-06-13 | 铜陵市弘润机电有限责任公司 | Welding support |
| CN104456002A (en) * | 2014-11-25 | 2015-03-25 | 哈电集团（秦皇岛）重型装备有限公司 | Supporting device of electric heater for circular seam local heat treatment |
| CN104451076A (en) * | 2014-12-31 | 2015-03-25 | 无锡透平叶片有限公司 | Method for conducting partial heat treatment on martensitic precipitated hardening stainless steel after repair welding |
| CN104451076B (en) * | 2014-12-31 | 2016-10-05 | 无锡透平叶片有限公司 | Case heat treating method after a kind of martensitic precipitation repair welding |
| CN105149828A (en) * | 2015-10-21 | 2015-12-16 | 安徽安凯汽车股份有限公司 | Passenger car body side wall skin welding and lifting device |
| CN106583973A (en) * | 2016-12-15 | 2017-04-26 | 中国水利水电第十二工程局有限公司 | Heating device and method for heating steel pipe circular seams by using heating device |
| CN107457510A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of high stability roller surface Bead weld repair equipment |
| CN109112270A (en) * | 2018-09-30 | 2019-01-01 | 扬州市管件厂有限公司 | Synchronous adjustment formula multi-port flame heating quenching device |
| CN109580686A (en) * | 2018-11-22 | 2019-04-05 | 国网天津市电力公司电力科学研究院 | One kind being suitable for high voltage isolation switch contact silver coating and detects special stand |
| CN111014874A (en) * | 2019-12-27 | 2020-04-17 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Automatic welding heating control device and operation method thereof |
| CN112903738A (en) * | 2021-02-02 | 2021-06-04 | 郑州大学 | Movable multi-surface heating test device |
| CN112903738B (en) * | 2021-02-02 | 2024-02-13 | 郑州大学 | Movable multi-surface heating test device |
| CN114770006A (en) * | 2022-05-20 | 2022-07-22 | 何枷玲 | Laser cutting machine fixture fixing device |
| CN115011815A (en) * | 2022-06-20 | 2022-09-06 | 吉安创成环保科技有限责任公司 | Zero-emission recycling treatment method for organic waste liquid |
| CN117245188A (en) * | 2023-11-17 | 2023-12-19 | 淄博市特种设备检验研究院 | Special plasma welding equipment for large-diameter boiler shell |
| CN117245188B (en) * | 2023-11-17 | 2024-01-19 | 淄博市特种设备检验研究院 | Special plasma welding equipment for large-diameter boiler shell |
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Application publication date: 20130626 |