CN104135189A - Device for recycling the residual heat of welding of welded tubes - Google Patents
Device for recycling the residual heat of welding of welded tubes Download PDFInfo
- Publication number
- CN104135189A CN104135189A CN201410342407.2A CN201410342407A CN104135189A CN 104135189 A CN104135189 A CN 104135189A CN 201410342407 A CN201410342407 A CN 201410342407A CN 104135189 A CN104135189 A CN 104135189A
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- Prior art keywords
- heat
- tube
- welding
- heat recovery
- housing
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000004064 recycling Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 239000011247 coating layer Substances 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 5
- 239000002918 waste heat Substances 0.000 claims description 38
- 238000011084 recovery Methods 0.000 claims description 37
- 238000004146 energy storage Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 6
- 230000001131 transforming effect Effects 0.000 abstract 2
- 238000001816 cooling Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Cleaning In General (AREA)
Abstract
The invention provides a device for recycling the residual heat of welding of welded tubes, which consists of a heat collecting component, a heat conducting component, a transforming component and an energy storing component, wherein the heat conducting component consists of a hollow shell filled with a working mediumand coated with a coating layer; the heat collecting component is a metallic brush, and the metallic brush is fixed on one side of the shell of the heat conducting component; the transforming component consists of a thermoelectric material, the high-temperature end of the thermoelectric material is connected to the heat conducting component, and the low-temperature end of the thermoelectric material is exposed to air, and the thermoelectric material is connected to the energy storing component through wires; the energy storing component is a storage battery. The device for recycling the residual heat of welding of welded tubes has strong capabilities of residual heat absorption and thermoelectric conversion and can be used for recycling the residual heat in the conditions of outside welding, inside welding and different welded tube diameters by changing the shape of the high thermal conductivity metallic brush. The device has the advantages of easy and flexible operation, high compactness and reliability, small size and small weight, and thus, the problem of recycling the residual heat of the welding of welded tubes is solved fundamentally.
Description
Technical field
The present invention relates to waste-heat recovery device, relate in particular to and a kind ofly reach the device that waste heat that automatic welding is produced carries out recycling carrying out thermoelectricity conversion.
Background technology
In a large amount of existing result for retrieval about heat recovery technology and device, the waste heat recovery that is high-temperature flue gas or hot waste water relating to, the rarely seen heat recovery technology for high-temp solid material and device.But, reducing discharging under slogan call at national energy-saving, the recovery problem of welding waste heat in industrial automation production process is subject to people and payes attention to, and waste heat recovery is not only related to the recycling of the energy, is also related to the heat treatment after welding.In welding process, bath temperature is up to 1500 DEG C, and the after welding treatment mode of extensive use is at present air cooling, and tube-welding heat recovery technology still belongs to blank at home with device.Waste-heat recovery device can get up to be used by a large amount of residual heat collections on the one hand, has suitably improved on the other hand welded tube postwelding cooling rate, and the grain growth of both having avoided long term high temperature to cause, has also avoided the cooling thermal stress causing rapidly.
Summary of the invention
The object of this invention is to provide a kind of tube-welding waste-heat recovery device, to solve the problem of tube-welding waste heat recovery, can be by heat recovery, and improved the cooling speed of welded tube postwelding.
For achieving the above object, the present invention is by the following technical solutions:
A kind of tube-welding waste-heat recovery device, comprises heat collecting element, heat conducting element, conversion element, energy-storage travelling wave tube, and described heat conducting element comprises the housing of hollow, is filled with working medium in housing, and housing is coated with coating layer; Described heat collecting element is metallic brush, and metallic brush is fixed on a side of the housing of heat conducting element; Described conversion element comprises thermoelectric material, and the temperature end of thermoelectric material connects heat conducting element, and low-temperature end contacts with air, is connected with energy-storage travelling wave tube by wire; Described energy-storage travelling wave tube is storage battery.
Preferably, described metallic brush is made up of high-thermal conductive metal material.
Preferably, described metallic brush is that thickness is that 0.1 ~ 0.3mm, width are the sheet metal that 2 ~ 5mm, length are 15 ~ 20mm.
Preferably, described metallic brush gos deep into enclosure interior 2 ~ 3mm.
Preferably, the density of arranging of described metallic brush is 3 ~ 5/cm.
Preferably, described housing is that length is that 180 ~ 250mm, width are that 30 ~ 50mm, thickness are the low heat conduction cuboid of the hollow housing that 10 ~ 15mm, wall thickness are 1 ~ 3mm.
Preferably, described heat collecting element comprises three block-shaped measure-alike housings, communicate, and its junction is rotatable between adjacent housing.
Preferably, described coating layer is heat insulation fiber.
Preferably, described working medium is heat-conducting glue.
Preferably, described thermoelectric material is semiconductor.
The invention has the beneficial effects as follows: tube-welding waste-heat recovery device of the present invention not only has very strong exhaust-heat absorption and thermoelectricity transfer capability, and waste heat recovery that can be when changing high thermal conductance metallic brush shape and adapt to outside weld, interior weldering and different welded tube caliber.This device simple and flexible, compact reliable, volume is little, lightweight, fundamentally solve the recovery problem of tube-welding waste heat, can control welded tube cooling rate by adjusting metallic brush density and heat-conducting medium simultaneously, reached the object of killing two birds with one stone of waste heat recovery and post weld heat treatment.
Brief description of the drawings
Fig. 1 is generalized section of the present invention.
In figure: 1. storage battery; 2. wire; 3. thermoelectric material; 4. coating layer; 5. housing; 6. working medium; 7. metallic brush.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
As shown in Figure 1, a kind of tube-welding waste-heat recovery device, comprises heat collecting element, heat conducting element, conversion element, energy-storage travelling wave tube, and heat conducting element comprises the housing 5 of hollow, the working medium 6(that is filled with high thermal conductance in housing 5 is heat-conducting medium), housing 5 is coated with coating layer 4; Heat collecting element is metallic brush 7, and metallic brush 7 is fixed on a side of the housing 5 of heat conducting element; Conversion element comprises thermoelectric material 3, and the temperature end of thermoelectric material 3 connects heat conducting element, and low-temperature end contacts with air, is connected with energy-storage travelling wave tube by wire 2; Energy-storage travelling wave tube is storage battery 1.
Metallic brush 7 is made up of high-thermal conductive metal material.Metallic brush 7 is that thickness is that 0.1 ~ 0.3mm, width are the sheet metal that 2 ~ 5mm, length are 15 ~ 20mm.Metallic brush 7 gos deep into housing 5 inside 2 ~ 3mm.The density of arranging of metallic brush 7 is 3 ~ 5/cm.Because sheet metal elasticity is high, can allow the dimensional discrepancy of steel pipe in actual welding process, the large thermal conductive surface that sheet metal forms can absorb the heat at welded tube welding seam place effectively by direct contact.
Housing 5 for length be that 180 ~ 250mm, width are that 30 ~ 50mm, thickness are the low heat conduction cuboid of the hollow housing that 10 ~ 15mm, wall thickness are 1 ~ 3mm.
Heat collecting element comprises three block-shaped measure-alike housings 5, communicate, and its junction is rotatable between adjacent housing 5.Should mutually rotate between any two the continuity that ensures again working medium.Heat conducting element efficiently passes to rapidly conversion element by the waste heat of collection on the one hand, and the low thermal conductance of himself can prevent that the secondary of waste heat scatters and disappears on the other hand.Three heat conducting elements can meet the waste heat recovery of outside weld, interior weldering and different welded tube calibers.In heat conducting element in the middle of three heat conducting elements focus on waste heat, this heat conducting element connects conversion element, conversion element is made up of thermoelectric material, the temperature end of this thermoelectric material is heat conducting element, low-temperature end is air, by wire, the electric current producing in thermoelectric material being introduced in energy-storage travelling wave tube, is that electric energy stores for future use by thermal power transfer.
Below in conjunction with specific embodiment, the present invention will be further described.
embodiment 1
The hang oneself oil gas transport welded tube of two-sided adopting automatic submerged arc welding of waste heat, welded tube radius-thickness ratio is 4.5%, tested object is outer welding line.The material of metallic brush 7 is copper, it is of a size of 0.2 × 3 × 20mm, metallic brush 7 gos deep into the inner 2mm of housing 5, the density of arranging on housing 5 is 3/cm, and housing 5 materials of heat conducting element are copper, are of a size of 200 × 50 × 10mm, wall thickness is 2mm, outer field coating layer 4 is heat insulation fiber, and the working medium 6 of filling is heat-conducting glue, and thermoelectric material 3 is semiconductor.Store by analysis the electric energy obtaining and judge waste heat recovery efficiency of the present invention, have or not the welded tube welding seam place temperature of device, the raising that weld properties judges Welded Pipe performance of the present invention by contrast.Embodiment 1 concrete outcome is as shown in table 1.
Table 1
| Testing time | Organic efficiency | Weld seam temperature/DEG C | Weld seam impact absorption energy/J | Weld seam section shearing rate |
| 1 | 89.2% | 80.3 | 49 | 40% |
| 2 | 90.7% | 75.7 | 52 | 42% |
| 3 | 88.9% | 82.0 | 52 | 44% |
| Do not carry out waste heat recovery | ? | 187.3 | 31 | 33% |
embodiment 2
Metallic brush 7 is of a size of 0.3 × 5 × 15mm, and all the other parameters are all in the same manner as in Example 1.Store by analysis the electric energy obtaining and judge waste heat recovery efficiency of the present invention, have or not the welded tube welding seam place temperature of device, the raising that weld properties judges Welded Pipe performance of the present invention by contrast.Embodiment 2 concrete outcomes are as shown in table 2.
Table 2
| Testing time | Organic efficiency | Weld seam temperature/DEG C | Weld seam impact absorption energy/J | Weld seam section shearing rate |
| 1 | 92.4% | 68.1 | 42 | 38% |
| 2 | 92.3% | 64.4 | 47 | 40% |
| 3 | 93.8% | 69.0 | 44 | 38% |
| Do not carry out waste heat recovery | ? | 187.3 | 31 | 33% |
embodiment 3
The arrange density of metallic brush 7 on housing 5 is 5/cm, and all the other parameters are all in the same manner as in Example 1.Store by analysis the electric energy obtaining and judge waste heat recovery efficiency of the present invention, have or not the welded tube welding seam place temperature of device, the raising that weld properties judges Welded Pipe performance of the present invention by contrast.Embodiment 3 concrete outcomes are as shown in table 3.
Table 3
| Testing time | Organic efficiency | Weld seam temperature/DEG C | Weld seam impact absorption energy/J | Weld seam section shearing rate |
| 1 | 91.3% | 71.3 | 56 | 49% |
| 2 | 90.4% | 75.1 | 59 | 56% |
| 3 | 92.0% | 70.1 | 53 | 51% |
| Do not carry out waste heat recovery | ? | 187.3 | 31 | 33% |
embodiment 4
Tested object is interior welding line, and all the other parameters are all in the same manner as in Example 1.Store by analysis the electric energy obtaining and judge waste heat recovery efficiency of the present invention, have or not the welded tube welding seam place temperature of device, the raising that weld properties judges Welded Pipe performance of the present invention by contrast.Embodiment 4 concrete outcomes are as shown in table 4.
Table 4
| Testing time | Organic efficiency | Weld seam temperature/DEG C | Weld seam impact absorption energy/J | Weld seam section shearing rate |
| 1 | 94.0% | 105.7 | 43 | 36% |
| 2 | 93.3% | 119.1 | 48 | 34% |
| 3 | 93.9% | 110.0 | 46 | 37% |
| Do not carry out waste heat recovery | ? | 285.2 | 28 | 30% |
Claims (10)
1. a tube-welding waste-heat recovery device, it is characterized in that: comprise heat collecting element, heat conducting element, conversion element, energy-storage travelling wave tube, described heat conducting element comprises the housing (5) of hollow, is filled with working medium (6) in housing (5), and housing (5) is coated with coating layer (4); Described heat collecting element is metallic brush (7), and metallic brush (7) is fixed on a side of the housing (5) of heat conducting element; Described conversion element comprises thermoelectric material (3), and the temperature end of thermoelectric material (3) connects heat conducting element, and low-temperature end contacts with air, is connected with energy-storage travelling wave tube by wire (2); Described energy-storage travelling wave tube is storage battery (1).
2. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described metallic brush (7) is made up of high-thermal conductive metal material.
3. tube-welding waste-heat recovery device as claimed in claim 1 or 2, is characterized in that: described metallic brush (7) is that thickness is that 0.1 ~ 0.3mm, width are the sheet metal that 2 ~ 5mm, length are 15 ~ 20mm.
4. tube-welding waste-heat recovery device as claimed in claim 3, is characterized in that: described metallic brush (7) gos deep into the inner 2 ~ 3mm of housing (5).
5. tube-welding waste-heat recovery device as claimed in claim 4, is characterized in that: the density of arranging of described metallic brush (7) is 3 ~ 5/cm.
6. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described housing (5) for length be that 180 ~ 250mm, width are that 30 ~ 50mm, thickness are the low heat conduction cuboid of the hollow housing that 10 ~ 15mm, wall thickness are 1 ~ 3mm.
7. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described heat collecting element comprises three block-shaped measure-alike housings (5), communicate, and its junction is rotatable between adjacent housing (5).
8. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described coating layer (4) is heat insulation fiber.
9. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described working medium (6) is heat-conducting glue.
10. tube-welding waste-heat recovery device as claimed in claim 1, is characterized in that: described thermoelectric material (3) is semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342407.2A CN104135189B (en) | 2014-07-18 | 2014-07-18 | A kind of tube-welding waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410342407.2A CN104135189B (en) | 2014-07-18 | 2014-07-18 | A kind of tube-welding waste-heat recovery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104135189A true CN104135189A (en) | 2014-11-05 |
| CN104135189B CN104135189B (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410342407.2A Expired - Fee Related CN104135189B (en) | 2014-07-18 | 2014-07-18 | A kind of tube-welding waste-heat recovery device |
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| Country | Link |
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| CN (1) | CN104135189B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011024316A (en) * | 2009-07-14 | 2011-02-03 | K System:Kk | Thermoelectric conversion power generation unit and thermoelectric conversion generator using the same |
| CN101979943A (en) * | 2010-12-03 | 2011-02-23 | 南京凯盛开能环保能源有限公司 | Adjustable heat collecting device for rotary kiln body |
| CN102664562A (en) * | 2012-04-18 | 2012-09-12 | 中国华能集团清洁能源技术研究院 | Temperature difference power generation device of flexible base |
| CN203537272U (en) * | 2013-07-15 | 2014-04-09 | 江苏大学 | Electricity generation device by utilizing temperature difference of waste heat of automobile exhaust gas |
| CN204119090U (en) * | 2014-07-18 | 2015-01-21 | 南京航空航天大学 | A kind of tube-welding waste-heat recovery device |
-
2014
- 2014-07-18 CN CN201410342407.2A patent/CN104135189B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011024316A (en) * | 2009-07-14 | 2011-02-03 | K System:Kk | Thermoelectric conversion power generation unit and thermoelectric conversion generator using the same |
| CN101979943A (en) * | 2010-12-03 | 2011-02-23 | 南京凯盛开能环保能源有限公司 | Adjustable heat collecting device for rotary kiln body |
| CN102664562A (en) * | 2012-04-18 | 2012-09-12 | 中国华能集团清洁能源技术研究院 | Temperature difference power generation device of flexible base |
| CN203537272U (en) * | 2013-07-15 | 2014-04-09 | 江苏大学 | Electricity generation device by utilizing temperature difference of waste heat of automobile exhaust gas |
| CN204119090U (en) * | 2014-07-18 | 2015-01-21 | 南京航空航天大学 | A kind of tube-welding waste-heat recovery device |
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| Publication number | Publication date |
|---|---|
| CN104135189B (en) | 2016-05-25 |
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Granted publication date: 20160525 |