CN203356863U - Metal tube butt-joint circular seam heating device - Google Patents
Metal tube butt-joint circular seam heating device Download PDFInfo
- Publication number
- CN203356863U CN203356863U CN 201320128900 CN201320128900U CN203356863U CN 203356863 U CN203356863 U CN 203356863U CN 201320128900 CN201320128900 CN 201320128900 CN 201320128900 U CN201320128900 U CN 201320128900U CN 203356863 U CN203356863 U CN 203356863U
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- heater
- heating
- metal pipe
- circumferential weld
- docks
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Abstract
The utility model relates to a metal tube butt-joint circular seam heating device, which is characterized in that the device comprises a height-adjustable rack, a heating device and a control unit, wherein the heating device and the control unit are disposed on the rack and the heating device is used to heat a butt-joint circular seam to be handled under the control of the control unit according to set temperature and time. The metal tube butt-joint circular seam heating device in the utility has the advantages that natural gas combustion appliances are updated through the introduction of internationally advanced combustion ideas and methods, the device provided in the utility can greatly improve the heating quality of products as an advanced combustion appliance, a function of automatic control of heating parameters such as automatic ignition/fire-closing and automatic temperature control is introduced at the same time when advanced heating methods are used, interferences from human factors are reduced, product heating is uniformly controlled, product quality is improved, energy use efficiency is also increased and an operational environment of production workshops is improved.
Description
Technical field
The utility model 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 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 of method to have following shortcoming: the first, to be heated metal pipe-wall and to be heated inhomogeneously, very easily cause the weldquality defect; 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 in the utility model 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 automatic ignition/temperature regulating device simultaneously, guarantees product quality.
In order to solve the problems of the technologies described above, the technical solution of the utility model 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 the docking circumferential weld that heater is treated processing according to design temperature and time under the control of control module is heated.
Preferably, described heater or be the ringwise heating ring structure of global shape, in the metal pipe of the metal pipe of rotation status not, carrying out 360 ° of hoop homogeneous heatings, or comprise that two are the heat blocks that angle is arranged by the heating ring structure.
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, on breather pipe, welding equipment has nut, and nut screws in described annular frame, in described control module, is built-in with air blast, air blast by air with input to breather pipe after imflammable gas mixes, make the metallic fiber heating plate in working order in the hyperthermia radiation fired state.
Preferably, be provided with the expansion regulating mechanism that stretches out indentation for controlling described heating arrangements on described annular frame.
Preferably, described expansion regulating mechanism comprises threaded change, at each described metallic fiber heating edges of boards, is equipped with a change, and change screws in described nut.
Preferably, between two described heat blocks, by included angle regulating mechanism, be connected, by included angle regulating mechanism, make two angle a between described heat block regulate in 70 °～150 °.
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, in its outside, is provided with operating grip, 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, by main control unit, adjust heating-up temperature, 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 stops 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 utility model contrast prior art has 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%.The device that the utility model provides 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.
The accompanying drawing explanation
The schematic diagram of the metal pipe docking circumferential weld heater of a kind of structure that Fig. 1 provides for the utility model;
The schematic diagram that Fig. 2 is the heating ring structure;
Fig. 3 is the schematic diagram after the heating ring structure is opened;
Fig. 4 is the schematic diagram of frame in propradation;
Fig. 5 is the schematic diagram of frame in the decline state;
The schematic diagram of the metal pipe docking circumferential weld heater of the another kind of structure that Fig. 6 provides for the utility model.
The specific embodiment
For the utility model 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, comprise 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 carried out 360 ° of hoop homogeneous heatings in the metal pipe of the metal pipe of rotation status not, 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, between left semi-circular framework and right semi-circular framework, by bearing pin, is connected, and makes left semi-circular framework to overturn, and as shown in Figure 3, after upset puts in place, its flip angle is 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 roller 13 is used in conjunction with the wheel 24 on frame 2, can make the utility model device enter fast station.The utility model adopts metallic fiber Combustion of Premixed technology, week in annular frame 10 inboards upwards is equipped with metallic fiber heating plate 12, all be designed with a breather pipe on every metallic fiber heating plate 12, on every breather pipe, all welding equipment has nut, control module 3 comprises air blast, air blast by air with input to breather pipe after imflammable gas as natural gas and so on mixes, make metallic fiber heating plate 12 in working order in the hyperthermia radiation fired state, the docking circumferential weld is realized flame heating.Be designed with change 11 on every metallic fiber heating plate 12 sides, 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 11 pairs of positions of metallic fiber heating plate 12 on annular frame 10 of change, adjusted.
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, connected 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, is connected by straight pin and split pin.
The course of work of above-mentioned metal pipe docking circumferential weld heater is:
As shown in Figure 6, the another kind of metal pipe docking circumferential weld heater that the present embodiment provides, comprise 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 in position 4, the middle part of angular adjustment bar 42 is hinged fixing, the inboard of one end is stretched in through hole, in its outside, is provided with operating grip 43, 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, comprise 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:
Although the utility model can disclose as above with preferred embodiments; but not in order to limit the utility model; any those skilled in the art; within not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as 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), it is upper that heater and control module (3) all are located at frame (2), and the docking circumferential weld that heater is treated processing according to design temperature and time under the control of control module (3) is heated.
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), to in the metal pipe of the metal pipe of rotation status not, carrying out 360 ° of hoop homogeneous heatings, or comprise that two are the heat blocks (4) that angle is arranged by heating ring structure (1).
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), on breather pipe, welding equipment has nut, nut screws in described annular frame (10), described control module (3) comprises air blast, air blast by air with input to breather pipe after imflammable gas mixes, make metallic fiber heating plate (12) in working order in the hyperthermia radiation fired state.
5. a kind of metal pipe docking circumferential weld heater as claimed in claim 4, is characterized in that: on described annular frame (10), be provided with the expansion regulating mechanism that stretches out indentation for controlling described heating arrangements.
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), by included angle regulating mechanism, make the angle a between two described heat blocks (4) regulate in 70 °～150 °.
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, infrared temperature checkout gear, alarm unit and display unit, main control unit connects infrared temperature checkout gear, alarm unit and display unit, is detected the actual heating-up temperature of described heater by the infrared temperature checkout gear.
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 |
|---|---|---|---|
| CN 201320128900 CN203356863U (en) | 2013-03-20 | 2013-03-20 | Metal tube butt-joint circular seam heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128900 CN203356863U (en) | 2013-03-20 | 2013-03-20 | Metal tube butt-joint circular seam heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203356863U true CN203356863U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128900 Expired - Lifetime CN203356863U (en) | 2013-03-20 | 2013-03-20 | Metal tube butt-joint circular seam heating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203356863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170777A (en) * | 2013-03-20 | 2013-06-26 | 上海锅炉厂有限公司 | Metal pipe butt-joint circumferential seam heating device |
-
2013
- 2013-03-20 CN CN 201320128900 patent/CN203356863U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170777A (en) * | 2013-03-20 | 2013-06-26 | 上海锅炉厂有限公司 | Metal pipe butt-joint circumferential seam heating device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |