CN109676241A - A kind of exothermic weld ignition device - Google Patents
A kind of exothermic weld ignition device Download PDFInfo
- Publication number
- CN109676241A CN109676241A CN201910159126.6A CN201910159126A CN109676241A CN 109676241 A CN109676241 A CN 109676241A CN 201910159126 A CN201910159126 A CN 201910159126A CN 109676241 A CN109676241 A CN 109676241A
- Authority
- CN
- China
- Prior art keywords
- ignitron
- ignition device
- wall
- exothermic weld
- thermal insulation
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 8
- 239000003814 drug Substances 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 229940079593 drug Drugs 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 239000003721 gunpowder Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K23/00—Alumino-thermic welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
- Air Bags (AREA)
Abstract
This application involves a kind of exothermic weld ignition devices, including ignitron, ignite core and thermal insulation layer, the core that ignites is arranged in the ignitron, there are several protrusions on the inner wall of the ignitron, several described protrusions are evenly distributed on the inner wall of the ignitron, the protrusion is in pyramid type, the outer surface of the ignitron is arranged in the thermal insulation layer, detonator of the present invention only needs common lighter that can ignite, without using equipment such as burning torches, welding convenience is improved, welding cost is reduced.
Description
Technical field
The present invention relates to the exothermic weld detonators of grounded screen construction, and in particular to a kind of exothermic weld ignition device.
Background technique
Exothermic weld is to generate liquid high-temperature copper liquid and aluminium oxide by the chemical reaction (exothermic reaction) of copper oxide and aluminium
Residue, and in the way of a kind of novel welding of the high temperature to realize the electrical welding of high-performance caused by the exothermic reaction, extensively
It is general to apply in the earthed systems such as power station, substation, defeated modified line tower bar, radar.At this stage exothermic weld construction technology be by
Pyrophoric powder is overlying on heat release welding powder surface and mold mouth, is ignited pyrophoric powder by burning torch, causes the burning of heat release welding powder and completes welding.
Pyrophoric powder belongs to inflammable thing, and there are security risks for storage transport.Exothermic weld belongs to exothermic reaction, can cause mould in use process
Have temperature to increase.The mold of excessive temperature easily ignites the pyrophoric powder of mold mouth, causes safety accident.In the higher feelings of construction period
Under condition, in order to improve welding efficiency, it is often necessary to prepare more set same size molds, welding cost is greatly improved.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of exothermic weld ignition device, raising is applied
Work safety and efficiency reduce single connector welding cost.
The present invention to solve above-mentioned technical problem the technical solution adopted is that:
Beneficial effects of the present invention are mainly manifested in the following aspects: a kind of exothermic weld ignition device, including draw
Combustion pipe, ignite core and thermal insulation layer, and the core that ignites is arranged in the ignitron, is provided on the inner wall of the ignitron several
A protrusion, several described protrusions are evenly distributed on the inner wall of the ignitron, and the thermal insulation layer setting is ignited described
The outer surface of pipe.
Further, the ignitron is any one of round tube, square tube, polygonal tube.
Further, the thickness of the wall thickness of the ignitron and thermal insulation layer ratio is 5~40.
Further, a groove is provided between the every two adjacent protrusion.
Further, the bottom surface of the protrusion be close to described in ignite inside pipe wall and the protrusion central axis upright in institute
State the inner wall of ignitron.
Further, the ignitron is magnesium pipe.
Further, the core that ignites is gunpowder.
Further, the thermal insulation layer is nickel layer.
Further, the protrusion is in pyramid type.
Beneficial effects of the present invention are mainly manifested in the following aspects:
1) present invention can prevent gunpowder in detonator from flowing in storage transportational process by the way that protrusion is arranged, and cause
Part detonator is hollow, influences effect of igniting, improves construction efficiency indirectly；
2) detonator of the present invention only needs common lighter that can ignite, and without using equipment such as burning torches, improves
Convenience is welded, welding cost is reduced；
3) in the inflammable articles such as magnesium ribbon and gunpowder are coated on by nickel layer in detonator of the present invention, storage and fortune are improved
Defeated safety；
4) there is nickel layer in detonator outer surface of the present invention, and the fusing point of nickel is 1453 DEG C, can completely cut off most of mold temperature
Degree, without preparing too many mold, greatly reduces the welding cost of single connector on the basis of improving safety.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of longitudinal section of the present invention；
Fig. 3 is the structural schematic diagram of the longitudinal section of the embodiment of the present invention 2；
Marked in the figure: 1, ignite core, 2, ignitron, 3, thermal insulation layer, 4, protrusion, 5, groove.
Specific embodiment
The embodiment of the present invention is described in detail in conjunction with attached drawing, the present embodiment based on the technical solution of the present invention, is given
Detailed embodiment and specific operating process are gone out, but protection scope of the present invention is not limited to following embodiments.
Embodiment 1
A kind of exothermic weld ignition device, including ignitron 2, ignite core 1 and thermal insulation layer 3, the setting of core 1 of igniting exists
In the ignitron 2, the core 1 that ignites is gunpowder, and the ignitron 2 is any one of round tube, square tube, polygonal tube, institute
The thickness ratio of the wall thickness and thermal insulation layer 3 of stating ignitron 2 is 5~40, and the ignitron 2 is magnesium pipe, on the inner wall of the ignitron 2
Several protrusions 4 are provided with, 2 inner wall of ignitron and raised 4 central axis upright are close in raised 4 bottom surface
In the inner wall of the ignitron 2, several described raised 4 are evenly distributed on the inner wall of the ignitron 2, and described raised 4
It is preferably in pyramid type, the outer surface of the ignitron 2 is arranged in the thermal insulation layer 3, and the thermal insulation layer 3 is nickel layer.
Embodiment 2
As shown in the picture, a kind of exothermic weld ignition device, including ignitron 2, ignite core 1 and thermal insulation layer 3, it is described to draw
Firing pipe 2 is any one of round tube, square tube, polygonal tube, and the ignitron 2 is magnesium pipe, will first be cut using drawing mould
Magnesium ribbon, magnesium ribbon is drawn into semicircle tubulose, and the plating nickel layer in pipe outer wall with a thickness of 10~20 μm, 7.5~10mm of width
3, with a thickness of 0.5~2 μm,；Then toward the core 1 that ignites is filled inside ignitron 2, seamed medicine core shape is shaped after preliminary drawing and is drawn
Combustible material.Finally, the medicine core detonator of preliminary drawing forming is carried out finish draw processing using different inner diameters drawing mould, finally
The medicine core detonator of 2.5~3mm of form diameter；
The wall thickness of the ignitron 2 and the thickness ratio of thermal insulation layer 3 are 5~40, and the core 1 that ignites is arranged in the ignitron
In 2, the core 1 that ignites is gunpowder, there is several protrusions 4 on the inner wall of the ignitron 2, every two adjacent described raised 4
Between be provided with a groove 5, the mesh of the groove 5 is arranged in any one in pyramid type, arc, polygon in the groove 5
It is that gunpowder can be prevented in detonator to flow in storage transportational process, several described raised 4 are evenly distributed in
On the inner wall of the ignitron 2,2 inner wall of ignitron is close in raised 4 bottom surface and raised 4 central axis hangs down
It is in directly pyramid type in the inner wall of the ignitron 2, described raised 4, the outer surface of the ignitron 2 is arranged in the thermal insulation layer 3,
The thermal insulation layer 3 is nickel layer.
Compared with conventional glow powder and burning torch ignite the completion welding of heat release welding powder, detonator of the present invention has following
Advantage: exothermic weld belongs to exothermic reaction, mold temperature can be caused to increase after welding a period of time, and common pyrophoric powder ignites work
Skill-pyrophoric powder is sprinkling upon on mold mouth and heat release welding powder, and there are security risks；In the higher situation of construction period, in order to improve
Welding efficiency, it is often necessary to prepare more set same size molds, welding cost, detonator outer surface of the present invention is greatly improved
There is nickel layer, the fusing point of nickel is 1453 DEG C, can completely cut off most of mold temperature, without preparing too many mold, improve safety
The welding cost of single connector is greatly reduced on the basis of property；
The present invention can prevent gunpowder in detonator from flowing in storage transportational process by setting protrusion 4 and groove 5
It is dynamic, cause part detonator hollow, influences effect of igniting, improve construction efficiency indirectly；Detonator of the present invention only needs general
Logical lighter can ignite, and without using equipment such as burning torches, improve welding convenience, reduce welding cost；Institute of the present invention
It states in detonator in the inflammable articles such as magnesium ribbon and gunpowder are coated on by nickel layer, improves storage and Transport Safety.
Technical solution cited by the present invention and embodiment and non-limiting, with technical solution cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention is protected.It should also be noted that, herein,
Such as I, II, III relational terms be only used to distinguish one entity or operation from another entity or operation, without
It is certain to require or imply that there are any actual relationship or orders between these entities or operation.Moreover, term " packet
Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that including the mistake of a series of elements
Journey, method, article or equipment not only include those elements, but also including other elements that are not explicitly listed, either
It further include for elements inherent to such a process, method, article, or device.In the absence of more restrictions, by sentence
The element that "including a ..." limits, it is not excluded that also deposit in the process, method, article or apparatus that includes the element
In other identical element.
Claims (9)
1. a kind of exothermic weld ignition device, it is characterised in that: including ignitron (2), the core that ignites (1) and thermal insulation layer (3), institute
The core that ignites (1) setting is stated in the ignitron (2), several raised (4) are provided on the inner wall of the ignitron (2), if
It is evenly distributed on the inner wall of the ignitron (2) for dry raised (4), thermal insulation layer (3) setting is ignited described
Manage the outer surface of (2).
2. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the ignitron (2) is circle
Any one of pipe, square tube, polygonal tube.
3. a kind of exothermic weld ignition device stated according to claim 1, it is characterised in that: the wall thickness of the ignitron (2)
Thickness ratio with thermal insulation layer (3) is 5~40.
4. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the ignitron (2) it is interior
It is located between every two adjacent raised (4) on wall and is additionally provided with groove (5).
5. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the bottom surface of the protrusion (4)
It is close to the central axis upright of the ignitron (2) inner wall and raised (4) in the inner wall of the ignitron (2).
6. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the ignitron (2) is magnesium
Pipe.
7. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the core that ignites (1) is fire
Medicine.
8. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the thermal insulation layer (3) is nickel
Layer.
9. a kind of exothermic weld ignition device according to claim 1, it is characterised in that: the protrusion (4) is in circular cone
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159126.6A CN109676241B (en) | 2019-03-04 | 2019-03-04 | Ignition device for exothermic welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910159126.6A CN109676241B (en) | 2019-03-04 | 2019-03-04 | Ignition device for exothermic welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109676241A true CN109676241A (en) | 2019-04-26 |
| CN109676241B CN109676241B (en) | 2024-04-05 |
Family
ID=66197409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910159126.6A Active CN109676241B (en) | 2019-03-04 | 2019-03-04 | Ignition device for exothermic welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109676241B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1567769A (en) * | 1975-11-19 | 1980-05-21 | Kernforschungsz Karlsruhe | Process for the uniform ignition of an ignitable reaction mass and fuel rod therefor |
| JPH07299572A (en) * | 1994-05-06 | 1995-11-14 | Nippon Steel Corp | Recarburizer for thermite mixture |
| CN101505907A (en) * | 2006-08-02 | 2009-08-12 | 古河电气工业株式会社 | Thermite welding lug |
| CN202701622U (en) * | 2012-06-19 | 2013-01-30 | 常州宏鹄焊接材料有限公司 | Antiskid flux-cored wire |
| CN103464918A (en) * | 2013-09-22 | 2013-12-25 | 昆山市圣翰锡业有限公司 | Anti-splash welding rod |
| CN103464920A (en) * | 2013-09-23 | 2013-12-25 | 昆山市圣翰锡业有限公司 | Rapid ignition electrode |
| CN103990914A (en) * | 2014-05-21 | 2014-08-20 | 李佛妹 | Novel welding rod |
| CN104858565A (en) * | 2015-06-03 | 2015-08-26 | 哈尔滨工业大学（威海） | Chemical core cutting wire for underwater wet method electric arc cutting |
| CN205817116U (en) * | 2016-06-30 | 2016-12-21 | 常州华亚铝业有限公司 | High-fire-resistance flux-cored wire |
| CN206883047U (en) * | 2017-07-05 | 2018-01-16 | 河北渤海机电股份有限公司 | A kind of medicine core type welding wire for gas shielded welding |
| CN208231114U (en) * | 2018-06-02 | 2018-12-14 | 天津市金成源焊材有限公司 | A kind of moisture-proof welding rod |
| CN209614560U (en) * | 2019-03-04 | 2019-11-12 | 国网河南省电力公司电力科学研究院 | A kind of exothermic weld ignition device |
-
2019
- 2019-03-04 CN CN201910159126.6A patent/CN109676241B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1567769A (en) * | 1975-11-19 | 1980-05-21 | Kernforschungsz Karlsruhe | Process for the uniform ignition of an ignitable reaction mass and fuel rod therefor |
| JPH07299572A (en) * | 1994-05-06 | 1995-11-14 | Nippon Steel Corp | Recarburizer for thermite mixture |
| CN101505907A (en) * | 2006-08-02 | 2009-08-12 | 古河电气工业株式会社 | Thermite welding lug |
| CN202701622U (en) * | 2012-06-19 | 2013-01-30 | 常州宏鹄焊接材料有限公司 | Antiskid flux-cored wire |
| CN103464918A (en) * | 2013-09-22 | 2013-12-25 | 昆山市圣翰锡业有限公司 | Anti-splash welding rod |
| CN103464920A (en) * | 2013-09-23 | 2013-12-25 | 昆山市圣翰锡业有限公司 | Rapid ignition electrode |
| CN103990914A (en) * | 2014-05-21 | 2014-08-20 | 李佛妹 | Novel welding rod |
| CN104858565A (en) * | 2015-06-03 | 2015-08-26 | 哈尔滨工业大学（威海） | Chemical core cutting wire for underwater wet method electric arc cutting |
| CN205817116U (en) * | 2016-06-30 | 2016-12-21 | 常州华亚铝业有限公司 | High-fire-resistance flux-cored wire |
| CN206883047U (en) * | 2017-07-05 | 2018-01-16 | 河北渤海机电股份有限公司 | A kind of medicine core type welding wire for gas shielded welding |
| CN208231114U (en) * | 2018-06-02 | 2018-12-14 | 天津市金成源焊材有限公司 | A kind of moisture-proof welding rod |
| CN209614560U (en) * | 2019-03-04 | 2019-11-12 | 国网河南省电力公司电力科学研究院 | A kind of exothermic weld ignition device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109676241B (en) | 2024-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109664041B (en) | Open-air high energy hot cutting pore-forming device of metal component | |
| CN207763584U (en) | A kind of cool flame fire equipment | |
| CN209614560U (en) | A kind of exothermic weld ignition device | |
| JP2014507619A5 (en) | ||
| CN206583360U (en) | A kind of electric detonator of use paster igniter wire | |
| CN206219228U (en) | A kind of process units of flashing combustion Borolon powder | |
| CN109676241A (en) | A kind of exothermic weld ignition device | |
| CN108917500B (en) | Lead core type blasting element and basic detonator composed of same | |
| CN102877985A (en) | Boron-based solid fuel propeller igniting through plasma generator | |
| CN109404164A (en) | A kind of charge constitution that solid propellant rocket combustibility improves | |
| CN105114979B (en) | For the electric igniter of thermit reaction | |
| CN209792774U (en) | Portable metal part field energy-gathering type emergency thermal cutting device | |
| CN202475798U (en) | Dry ignition type silicon nitrogen ceramic electric heating device | |
| CN102093148B (en) | Palladium-ruthenium/aluminum-magnesium composite metal wire and preparation method thereof | |
| CN103727535A (en) | Diagonal-flow constant-temperature flameless burner | |
| CN103133183A (en) | Safe processing device of low-temperature hydrogen in rocket engine thrust chamber | |
| CN202546823U (en) | Low-voltage dry-ignition type silicon nitride ceramic igniter | |
| CN107064408A (en) | Combustion test equipment | |
| CN205014424U (en) | A electric igniter for thermite reaction | |
| CN205505066U (en) | Play fire device of burning torch | |
| CN204711397U (en) | For the self-propagation seal device of exothermic weld agent | |
| CN206499802U (en) | A kind of non-reservoir pressure sustained release ejection-type suspended type ultrafine dry powder extinguishing installation | |
| CN104227227A (en) | Ignition device for exothermic welding agent | |
| CN108635704A (en) | A kind of multistage fast fire-extinguishing apparatus pushing high boiling liquid extinguishing chemical | |
| CN203050665U (en) | Scattered article deflagrating and fracturing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |