CN203162946U - Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine - Google Patents
Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine Download PDFInfo
- Publication number
- CN203162946U CN203162946U CN201320115062.8U CN201320115062U CN203162946U CN 203162946 U CN203162946 U CN 203162946U CN 201320115062 U CN201320115062 U CN 201320115062U CN 203162946 U CN203162946 U CN 203162946U
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- Prior art keywords
- arc
- circumferential weld
- weld seam
- gas flow
- heating device
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- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 26
- 238000005245 sintering Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 208000033999 Device damage Diseases 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Arc Welding In General (AREA)
Abstract
一种圆筒混合机筒体环向焊缝焊前预热装置属于预热装置技术领域，尤其涉及一种圆筒混合机筒体环向焊缝焊前预热装置。本实用新型提供一种结构简单、预热效果好的圆筒混合机筒体环向焊缝焊前预热装置。本实用新型包括弧形气体流管，其结构要点弧形气体流管上设置有多个引导管，弧形气体流管下端设置有进气管，弧形气体流管下部两侧设置有支架。
The invention discloses a pre-heating device for the circumferential weld seam of a cylindrical mixer cylinder, which belongs to the technical field of preheating devices, and in particular relates to a pre-weld pre-heating device for the circumferential weld seam of a cylinder mixer cylinder. The utility model provides a preheating device before welding of a cylinder body of a cylindrical mixer with simple structure and good preheating effect. The utility model includes an arc-shaped gas flow pipe. The main points of the structure are that a plurality of guiding pipes are arranged on the arc-shaped gas flow pipe;
Description
Technical field
The utility model belongs to the preheating device technical field, relates in particular to a kind of drum of rotary drum mixer circumferential welded seam weld preheating device.
Background technology
Trommel mixer is one of capital equipment of steel mill's sintering engineering, its purposes is the iron material that will prepare, fuel, flux, sinter return fine etc., add an amount of moisture content, mix, granulate, for sintering machine provides that uniform ingredients, moisture content are suitable, good air permeability, the compound of certain intensity is arranged.
Cylindrical shell is as the main body of trommel mixer equipment, bearing that compound leaves in the running, tumbling the bump load, it is part most important in this equipment, most critical, its workmanship is work quality and the service life of whole equipment of direct relation not only, and for guaranteeing that the sintering system trouble-free operation plays an important role.
Generally speaking, the cylindrical shell specification of trommel mixer (diameter, length etc.) is comparatively huge, and tube structure requires to have enough rigidity, and cylindrical shell is the steel design that the multistage shell ring assembly welding by the uniform internal diameter different wall connects as one usually.
Because can butt welding practicing midwifery, factors such as the wall thickness difference of each section of cylindrical shell shell ring, material characteristics, environment temperature give birth to certain influence (producing stress and defectives such as fusion, crackle not as weld seam), seriously restricted the quality of cylindrical shell, therefore the welding of shell portion circumferential welded seam need be carried out weld preheating, and general mixer cylindrical shell weld preheating temperature is 100～150 ℃.
Usually the weld preheating of cylindrical shell girth welding has following dual mode.
(1) adopt the far infrared electric heater to heat.
(2) adopt the crawler belt heater to heat.
Though said method can be realized the weld preheating of cylindrical shell, there are the following problems.
Far infrared electric heater equipment cost is higher, the device damage maintenance difficult; Add and needing to pine for power supply, waste energy, and heating process is controlled comparatively complicated.
Crawler belt heater and its auxiliary facility (as electrical control cubicles, alumina silicate heat-preservation cotton etc.) cost are higher; Add and needing to pine for power supply, waste energy; And the preparation time before the heating is longer, the complex operation complexity.
Summary of the invention
The utility model is exactly at the problems referred to above, and a kind of simple in structure, drum of rotary drum mixer circumferential welded seam weld preheating device that pre-heat effect is good is provided.
For achieving the above object, the utility model adopts following technical scheme, and the utility model comprises arc gas stream pipe, and its structural feature arc gas stream pipe is provided with a plurality of guiding tubes, arc gas stream pipe lower end is provided with air inlet pipe, and arc gas stream pipe both sides, bottom are provided with support.
As a kind of preferred version, the quantity of arc gas stream pipe described in the utility model is two, the setting of two arc gas stream tube side-by-sides.
As another kind of preferred version, guiding tube described in the utility model lower end bilateral symmetry has angle.
As another kind of preferred version, the angle of inclination of angle described in the utility model is 45 °.
As another kind of preferred version, arc gas stream pipe described in the utility model is semicircle gas stream pipe.
As another kind of preferred version, support described in the utility model comprises the arc supporting plate, and arc supporting plate lower end is fixed on the standpipe upper end by connecting plate, and the standpipe bottom places in the sleeve pipe; The sleeve pipe upper edge vertically is provided with at least two first through holes, is provided with second through hole corresponding to first through hole on the standpipe, and standpipe links to each other with securing member by first through hole, second through hole with sleeve pipe; Described sleeve pipe lower end is base.
As another kind of preferred version, be provided with oblique gripper shoe between base described in the utility model both sides and the sleeve pipe top.
As another kind of preferred version, air inlet pipe described in the utility model links to each other with gas cylinder by current divider.
Secondly, guiding tube described in the utility model tilts laterally.
In addition, guiding tube described in the utility model laterally the angle of inclination be 45 °.
The utility model beneficial effect.
The utility model comprises arc gas stream pipe, guiding tube, air inlet pipe and support; Simple in structure, with low cost, make simple, easy to operate and promote.In addition, import combustion gas by air inlet pipe; Efficiency of heating surface height, programming rate is fast.Secondly, gas stream pipe is arcuate structure, and a plurality of guiding tubes are set; Heated perimeter is uniform and stable.
The utility model has wide range of applications, and except being used for the preheating of trommel mixer equipment barrel welding, can also be applied in other equipment that comprises revolution class tube structure, as cylinder of rotary kiln, grinding mill barrel, NGL furnace tube etc.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further.The utility model protection domain not only is confined to the statement of following content.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model arc gas stream pipe and guiding tube connection diagram.
Fig. 3 is that the utility model uses state diagram.
Among the figure, 1 be air inlet pipe, 2 for current divider, 3 for base, 4 for oblique gripper shoe, 5 for sleeve pipe, 6 for standpipe, 7 for connecting plate, 8 for the arc supporting plate, 9 for arc gas stream pipe, 10 for guiding tube, 11 for gas cylinder, 12 for angle, 13 for support roller device, 14 be that cylinder section saves.
The specific embodiment
As shown in the figure, the utility model comprises arc gas stream pipe 9, and arc gas stream pipe 9 is provided with a plurality of guiding tubes 10, and arc gas stream pipe 9 lower ends are provided with air inlet pipe 1, and arc gas stream pipe both sides, 9 bottom are provided with support.
The quantity of described arc gas stream pipe 9 is two, and two arc gas stream pipes 9 are arranged side by side; Can be the weld seam preheating of two cylinder section joints 14 simultaneously, efficient height, easy to use.
Described guiding tube 10 lower end bilateral symmetry have angle 12.Angle 12 is set to be convenient to air and to enter sufficient combustion.
The angle of inclination of described angle 12 is 45 °.
Described arc gas stream pipe 9 is semicircle gas stream pipe.
Described support comprises arc supporting plate 8, and arc supporting plate 8 lower ends are fixed on standpipe 6 upper ends by connecting plate 7, and standpipe 6 bottoms place in the sleeve pipe 5; Sleeve pipe 5 upper edges vertically are provided with at least two first through holes, are provided with second through hole corresponding to first through hole on the standpipe 6, and standpipe 6 links to each other with securing member by first through hole, second through hole with sleeve pipe 5; Described sleeve pipe 5 lower ends are base 3.Can carry out height and position adjusting up and down by first through hole, satisfy the circumferential weld weld preheating of different-diameter cylindrical shell.
Be provided with oblique gripper shoe 4 between described base 3 both sides and sleeve pipe 5 tops; Support more firm.
Described air inlet pipe 1 links to each other with gas cylinder 11 by current divider 2.Can pass through air inlet adjustment, export different flames, carry out temperature control with this, satisfy the different heating requirement.
Described guiding tube 10 tilts laterally.Guiding tube 10 on two arc gases stream pipe 9 all tilts laterally, is convenient to simultaneously the weld seam of two cylinder sections joints 14 is carried out preheating.
Described guiding tube 10 angle of inclination laterally is 45 °.
Below in conjunction with the use of description of drawings the utility model.
Cylinder section saves 14 opsition dependents and is seated on the support roller device 13, and support roller device 13 has motor driver, can carry out the handle remote control.Adjust the utility model to the appropriate location, open gas switch, can light gas at guiding tube 10 places.Utilize the flame envelope contact cylinder section of flare to save 14 circumferential welds heating position, so just can use the maximum heat heating of flame.Cylinder section joint 14 is done uniform circular motion by support roller device 13, and cylinder section saves 14 circumferential weld circumferencial directions and can uniform and stablely heat once whole circle.When heating, can utilize the far infrared temperature-measuring gun to carry out temperature survey at any time, till the temperature requirement that reaches the welding permission, close switch, stop heating.When cylinder section saves 14 temperature and is lower than the welding requirements temperature, can proceed heating at any time.
Be understandable that, more than about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320115062.8U CN203162946U (en) | 2013-03-14 | 2013-03-14 | Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320115062.8U CN203162946U (en) | 2013-03-14 | 2013-03-14 | Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203162946U true CN203162946U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320115062.8U Expired - Fee Related CN203162946U (en) | 2013-03-14 | 2013-03-14 | Weld preheating device for circumferential weld of cylinder body of cylindrical mixing machine |
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| CN (1) | CN203162946U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433663A (en) * | 2013-09-17 | 2013-12-11 | 南京奥特电气股份有限公司 | Half-variable-radius circular arc framework-type preheating device |
| CN107553016A (en) * | 2017-07-28 | 2018-01-09 | 倪飞 | A kind of drum of rotary drum mixer circumferential welded seam weld preheating device |
| CN107790925A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | Weld seam preheats dolly |
| CN112091372A (en) * | 2020-04-30 | 2020-12-18 | 中国航发航空科技股份有限公司 | Auxiliary heating device and heating method for argon arc welding of annular case |
-
2013
- 2013-03-14 CN CN201320115062.8U patent/CN203162946U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433663A (en) * | 2013-09-17 | 2013-12-11 | 南京奥特电气股份有限公司 | Half-variable-radius circular arc framework-type preheating device |
| CN107553016A (en) * | 2017-07-28 | 2018-01-09 | 倪飞 | A kind of drum of rotary drum mixer circumferential welded seam weld preheating device |
| CN107790925A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | Weld seam preheats dolly |
| CN107790925B (en) * | 2017-11-24 | 2024-04-12 | 张化机（苏州）重装有限公司 | Welding seam preheating trolley |
| CN112091372A (en) * | 2020-04-30 | 2020-12-18 | 中国航发航空科技股份有限公司 | Auxiliary heating device and heating method for argon arc welding of annular case |
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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: 20130828 Termination date: 20180314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |