CN103386564B - Zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover - Google Patents
Zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover Download PDFInfo
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- CN103386564B CN103386564B CN201310309958.4A CN201310309958A CN103386564B CN 103386564 B CN103386564 B CN 103386564B CN 201310309958 A CN201310309958 A CN 201310309958A CN 103386564 B CN103386564 B CN 103386564B
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- cylindrical airway
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Abstract
The present invention discloses a kind of zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover, and loop draught pipe is inserted in the sealing of cylindrical airway pipe one end; The loop draught pipe of distance sealing insertion position 1/4-1/3 circumference is fixedly connected with the horizon bar being parallel to cylindrical airway pipe, and be fixedly connected with vertical rod between cylindrical airway pipe and horizon bar, on vertical rod, cross is fixedly connected with protective cover connecting bushing; Loop draught pipe Surface coating 4-5 layer woven wire, coated high temperature gummed tape again, the not coated or coated high temperature gummed tape of part on wherein relative with the loop draught pipe circumference between cylindrical airway pipe and horizon bar loop draught pipe circumferential surface, the loop draught pipe of not coated high temperature gummed tape is provided with some apertures.The present invention saves production cost, and being convenient to the protected effect of real-time monitored weld seam when welding, reducing reprocessing of weld seam, ensure the weldquality of zirconium material, meet the instructions for use of zirconium material pressure vessels for the chemical industry equipment.
Description
Technical field
The present invention relates to welding technology field, be specifically related to a kind of zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover.
Background technology
Before the nineties in last century, because the industry developments such as domestic petrochemical industry, chemical industry are slow and contact less with external going together, zirconium material also relatively lags behind in applying of the relevant industries such as petrochemical industry, chemical industry, zirconium material expensive, processing, manufacturing technology always monopolize by external minority enterprise! Along with the fast development of domestic economy, the quickening of the especially technological transformation upgrading of chemical industry, the processing at home of zirconium material, manufacture, application are more and more extensive, and the industries such as domestic petrochemical industry, chemical industry it is also proposed more and more higher requirement to its welding quality etc.If directly contacted with air when high-temperature soldering, the mechanical property of zirconium material, decay resistance degradation can be made.Highly purified inert gas shielding must be used during welding, very important with coordinating of protective cover for automatic welding gun wire feed position, molten bath when welding.Protected effect and the appearance of weld of weld seam will be paid close attention to the moment during welding.All adopted manual welding, artificial protective cover mode when welding the zirconium material heat exchanger mouth of pipe in the past; not only waste high-purity inert gas; and often can find during welding the zirconium material heat exchanger mouth of pipe from protective cover out time weld dimensions severe oxidation; protected effect is bad; welding interval is long, and extraneous factor interference is large, thus causes weld properties decline, chemical tissue change; equipment is welding seam breaking in manufacturing process, weld corrosion can occur during use and leak.Therefore, conventional manual welding, artificial protective cover can not meet the mouth of pipe welding requirements of zirconium material heat exchanger.
Summary of the invention
The object of the invention is to provide a kind of zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover, to solve above-mentioned the deficiencies in the prior art.There is uniform shielding gas flow, ensure the weldquality of zirconium material, and there is long service life, meet the instructions for use of zirconium material pressure vessels for the chemical industry equipment.
The present invention is by the following technical solutions:
A kind of zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover, it is characterized in that, comprise cylindrical airway pipe, loop draught pipe, horizon bar, vertical rod, protective cover connecting bushing, loop draught pipe is inserted in the sealing of described cylindrical airway pipe one end; The loop draught pipe of distance sealing insertion position 1/4-1/3 circumference is fixedly connected with the horizon bar being parallel to cylindrical airway pipe, and be fixedly connected with vertical rod between described cylindrical airway pipe and horizon bar, on described vertical rod, cross is fixedly connected with protective cover connecting bushing; Described loop draught pipe Surface coating 4-5 layer woven wire, coated high temperature gummed tape again, the not coated or coated high temperature gummed tape of part on wherein relative with the loop draught pipe circumference between cylindrical airway pipe and horizon bar loop draught pipe circumferential surface, the loop draught pipe of not coated high temperature gummed tape is provided with some apertures, described hole diameter is not more than 1.5mm, the inert gas of circumferential breather pipe blowout, from the some aperture blowouts loop draught pipe, flows to weld metal zone by woven wire.
Further, described hole diameter is 1-1.2mm.
Further, described aperture is distributed as upper tightly lower sparse, the area of the gross area subcylindrical breather pipe of aperture on loop draught pipe.
Further, the material of described cylindrical airway pipe and loop draught pipe is red copper.
Further, described woven wire is copper mesh.
Further, a support bar is fixedly connected with between described horizon bar and protective cover connecting bushing.
Beneficial effect of the present invention:
1, protective cover of the present invention automatically realizes defencive function on mouth of pipe automatic welder(welding machine), does not need manually to operate.
2, not only processing and manufacturing is simple in the present invention, and whole manufacturing expense is low simultaneously, and operating personnel's energy flexible operating, is suitable for the zirconium material heat exchanger mouth of pipe automatic welding seam welding of different size.
3, adopt privacy protection cover of the present invention to save production cost, being convenient to the protected effect of real-time monitored weld seam when welding, reducing reprocessing of weld seam, ensure the weldquality of zirconium material, meet the instructions for use of zirconium material pressure vessels for the chemical industry equipment.
4, cylindrical airway pipe of the present invention and loop draught pipe material are red coppers, are not easy to produce with Zirconium material to pollute when being convenient to heat radiation, welding like this.
5, the present invention can the gas distribution of protective gas evenly effectively, be applicable to automatic welding cover tool.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is the present invention's schematic diagram in use
Detailed description of the invention:
Below in conjunction with accompanying drawing the present invention done and further explain.
In figure, cylindrical airway pipe 1, loop draught pipe, 3 horizon bars, 4 vertical rods, 5 protective cover connecting bushings, 6 high temperature gummed tapes, 7 support bars, 8 welding gun rotating shafts, 9 welding guns and wire feeding mouth, 10 zirconium tube sheets, 11 zirconium heat exchanger tubes.
A kind of zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover, comprises cylindrical airway pipe 1, loop draught pipe 2, horizon bar 3, vertical rod 4, protective cover connecting bushing 5.The material of cylindrical airway pipe 1 and loop draught pipe 2 is preferably red copper, is not easy to produce with Zirconium material to pollute when being convenient to heat radiation, welding like this.Loop draught pipe 2 is inserted in the sealing of cylindrical airway pipe 1 one end.The loop draught pipe 2 of distance sealing insertion position 1/4-1/3 circumference is fixedly connected with the horizon bar 3 being parallel to cylindrical airway pipe 1, and be fixedly connected with vertical rod 4 between cylindrical airway pipe 1 and horizon bar 3, on vertical rod 4, cross is fixedly connected with protective cover connecting bushing 5.The aperture coupling of the aperture of protective cover connecting bushing 5 and the welding gun rotating shaft 8 of mouth of pipe automatic welder(welding machine).A support bar 7 can be fixedly connected with between horizon bar 3 and protective cover connecting bushing 5.Loop draught pipe 2 Surface coating 4-5 layer copper mesh, coated high temperature gummed tape 6 again, the not coated or coated high temperature gummed tape 6 of part on wherein relative with the loop draught pipe circumference between cylindrical airway pipe 1 and horizon bar 3 loop draught pipe circumferential surface, high temperature gummed tape 6 has high temperature resistant and anti abrasive characteristic.The loop draught pipe 1 of not coated high temperature gummed tape 6 is provided with some apertures, and described hole diameter is not more than 1.5mm, preferred 1-1.2mm.The distribution of aperture on loop draught pipe 1 is preferably upper tightly lower sparse.The area of the gross area subcylindrical breather pipe 1 of aperture.The inert gas that circumferential breather pipe 1 blows out, from the some aperture blowouts loop draught pipe 2, flows to weld metal zone by woven wire.
The course of work of the present invention is as follows:
One, welding gun rotating shaft 8 level of mouth of pipe automatic welder(welding machine) is inserted in protective cover connecting bushing 5 of the present invention;
Two, adjust the angle of welding gun, wire feeding mouth 9, aim at zirconium tube sheet 10 and the zirconium heat exchanger tube 11 of pre-welding;
Three, revise the gap between high temperature gummed tape 6 and two zirconium tube sheets 10, guarantee that sealing is with under ensureing that welding region is in the protection of inert gas all the time, while also to guarantee welding gun and wire feeding mouth 9 retractable; Can weld afterwards.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from inventive principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. a zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover, is characterized in that, comprises cylindrical airway pipe, loop draught pipe, horizon bar, vertical rod, protective cover connecting bushing, and loop draught pipe is inserted in the sealing of described cylindrical airway pipe one end; The loop draught pipe of distance sealing insertion position 1/4-1/3 circumference is fixedly connected with the horizon bar being parallel to cylindrical airway pipe, and be fixedly connected with vertical rod between described cylindrical airway pipe and horizon bar, on described vertical rod, cross is fixedly connected with protective cover connecting bushing; Described loop draught pipe Surface coating 4-5 layer woven wire, coated high temperature gummed tape again, the not coated or coated high temperature gummed tape of part on wherein relative with the loop draught pipe circumference between cylindrical airway pipe and horizon bar loop draught pipe circumferential surface, the loop draught pipe of not coated high temperature gummed tape is provided with some apertures, described hole diameter is not more than 1.5mm, the inert gas of cylindrical airway pipe blowout, from the some aperture blowouts loop draught pipe, flows to weld metal zone by woven wire.
2. zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover according to claim 1, it is characterized in that, described hole diameter is 1-1.2mm.
3. zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover according to claim 1, it is characterized in that, the material of described cylindrical airway pipe and loop draught pipe is red copper.
4. zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover according to claim 1, it is characterized in that, described woven wire is copper mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309958.4A CN103386564B (en) | 2013-07-22 | 2013-07-22 | Zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310309958.4A CN103386564B (en) | 2013-07-22 | 2013-07-22 | Zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover |
Publications (2)
| Publication Number | Publication Date |
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| CN103386564A CN103386564A (en) | 2013-11-13 |
| CN103386564B true CN103386564B (en) | 2015-08-26 |
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| CN201310309958.4A Active CN103386564B (en) | 2013-07-22 | 2013-07-22 | Zirconium material heat exchanger mouth of pipe automatic welding privacy protection cover |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108188553A (en) * | 2018-01-30 | 2018-06-22 | 南京德邦金属装备工程股份有限公司 | A kind of zirconium Tube Sheet of Heat Exchanger brilliance welding line automatic welding gas shield device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784124Y (en) * | 2004-06-30 | 2006-05-31 | 上海锅炉厂有限公司 | Multiple argon gas protective hood for narrow end bevel tungsten electrode argon-arc welding |
| JP2007136461A (en) * | 2005-11-15 | 2007-06-07 | Hitachi Ltd | Shield box for welding active metal, and welding truck |
| CN201871857U (en) * | 2010-11-29 | 2011-06-22 | 北京时代科技股份有限公司 | Protective dragging cover |
| CN202356769U (en) * | 2011-12-13 | 2012-08-01 | 江西洪都航空工业集团有限责任公司 | Titanium alloy part argon arc welding seam protector |
| CN202517172U (en) * | 2012-02-13 | 2012-11-07 | 上海市特种设备监督检验技术研究院 | Gas protection cover for welding of zirconium and zirconium alloy pipelines |
| CN202555958U (en) * | 2012-04-13 | 2012-11-28 | 中国化学工程第六建设有限公司 | Zirconium and zirconium alloy pipeline welding protection tooling |
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