CN220249990U - Automatic change flame heating and air cooling device - Google Patents
Automatic change flame heating and air cooling device Download PDFInfo
- Publication number
- CN220249990U CN220249990U CN202321393047.XU CN202321393047U CN220249990U CN 220249990 U CN220249990 U CN 220249990U CN 202321393047 U CN202321393047 U CN 202321393047U CN 220249990 U CN220249990 U CN 220249990U
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- gas
- pipe
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- controller
- heat insulation
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- 238000001816 cooling Methods 0.000 title claims abstract description 40
- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 230000008859 change Effects 0.000 title description 2
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical group [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 32
- 239000010410 layer Substances 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Control Of Combustion (AREA)
Abstract
The utility model discloses an automatic flame heating and air cooling device, which comprises a bottom plate, two support plates and a control cabinet with a controller arranged inside, wherein the bottom plate is provided with a plurality of support plates; the bottom plate is provided with a U-shaped gas pipe, the gas pipe is correspondingly provided with two rows of automatic ignition devices, and each automatic ignition device comprises a gas core, a spray pipe and an electronic igniter; the middle part of the gas transmission pipe is communicated with the gas inlet pipe, the gas inlet pipe is provided with two gas inlet ports, and the gas inlet ports are provided with electric control valves; an automatic temperature measuring device is arranged between the gas pipes and comprises a supporting shell, a spring and a heat insulation layer, the upper end of the spring penetrates through the heat insulation layer and is provided with a temperature thermocouple, and each electronic igniter, two electric control valves and the temperature thermocouple are connected with a controller. The automatic heating and cooling switching device can realize automatic heating and automatic cooling switching, has the advantages of simplicity and convenience in operation, high automation degree and good safety, can perform welding operation during cooling, and improves production efficiency.
Description
Technical Field
The utility model relates to a flame heating and air cooling device, in particular to an automatic flame heating and air cooling device for welding.
Background
At present, longitudinal seam or test plate welding of products in boiler and container industries generally adopts multi-nozzle flame to heat base metal, and natural cooling or side blowing cooling is adopted when the interlayer temperature is too high in the welding process and needs to be cooled, and the operation has the following defects: 1. the flame spray head needs to be ignited manually, so that safety risks exist; 2. the spray heads are ignited next, small fire is required to be started first, and big fire is started after the ignition, so that time is wasted, and the efficiency is low; 3. the manual multipoint temperature measurement is not convenient; 4. when the interlayer temperature is too high in the welding process, natural cooling or side blowing is adopted, so that the cooling effect is poor and the time consumption is long; 5. the side blowing needs manual action, and the side blowing can influence the welding operation of some welding methods, need to pause welding work, influence welding efficiency.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides an automatic flame heating and air cooling device which can realize the switching between automatic heating and automatic cooling without changing the device, has the advantages of simple operation, high automation degree and good safety, can perform welding operation during cooling, and improves the production efficiency.
In order to achieve the aim, the automatic flame heating and air cooling device comprises a bottom plate, two connected supporting plates and a control cabinet internally provided with a controller, wherein the controller is connected with a setting panel; the method is characterized in that: a U-shaped gas pipe is arranged on the bottom plate between the two support plates, two ends of the gas pipe are closed, the gas pipe is correspondingly provided with two rows of a plurality of automatic ignition devices, each automatic ignition device comprises a gas core, a spray pipe and an electronic igniter, the lower end of the gas core is fixedly connected with the gas pipe in a whole circle, the gas pipe is provided with a plurality of air holes communicated with the inner holes of each gas core, the spray pipe is sleeved outside the gas core, the spray pipe is fixedly connected with the gas pipe locally, and each electronic igniter is connected with the controller through an ignition circuit; the middle part of the gas transmission pipe is communicated with the outlet of the gas inlet pipe, the gas inlet pipe is provided with two gas inlet ports, the gas inlet ports are provided with electric control valves, and the two electric control valves are connected with the controller; more than two automatic temperature measuring devices are arranged between the gas delivery pipes, each automatic temperature measuring device comprises a supporting shell arranged on the bottom plate, a spring arranged in the supporting shell and a heat insulation layer arranged at the upper end of the supporting shell, the upper end of the spring penetrates through the heat insulation layer and is provided with a temperature thermocouple, the temperature thermocouples are connected with the controller through temperature measuring lines, and the heat insulation layer is higher than the two supporting plates.
The heat insulation layer can be an aluminum silicate fiber layer or a silicon dioxide heat insulation felt; the heat insulation effect is good and certain toughness is achieved;
when the utility model is used, the panel is preset to weld the lowest preheating temperature a, the highest temperature b requiring cooling measures, the temperature c stopping cooling and the heating temperature d stopping, and the two air inlet ports are respectively connected with the natural gas pipe and the compressed air pipe; placing two workpieces to be welded on the two support plates, wherein the gravity of the workpieces compresses the spring and the heat insulation layer, so that the temperature thermocouple and the heat insulation layer are tightly attached to the workpieces, and the temperature of the workpieces can be accurately measured; the starting controller automatically controls each electric control valve and each electronic igniter according to temperature data fed back by the temperature thermocouple, and performs heating, stopping heating and cooling operations on the workpiece, so that automatic heating and automatic cooling switching can be realized, a device and manual ignition are not required to be replaced, and the automatic welding device has the advantages of simplicity and convenience in operation, high automation degree and good safety, and can perform welding operation during cooling, and the production efficiency is improved.
As a further improvement of the utility model, the controller is connected with a temperature display and record panel; the display and the modification of the preset temperature are facilitated;
as a further improvement of the utility model, the lower ends of the two support plates are respectively provided with a vent hole communicated with the inner side and the outer side; oxygen is convenient to supplement in time during combustion, and the combustion efficiency of the fuel gas is improved; the compressed air is conveniently discharged during cooling, so that the cooling effect is improved;
as a further improvement of the utility model, rib plates are fixedly connected to the inner sides of the two support plates; the supporting strength can be improved;
in summary, the utility model can realize the switching between automatic heating and automatic cooling without replacing the device, has the advantages of simple operation, high degree of automation and good safety, and can perform welding operation during cooling, thereby improving the production efficiency.
Drawings
Fig. 1 is a top view of an embodiment of the present utility model.
Fig. 2 is a view in the direction a of fig. 1.
Fig. 3 is a block diagram of the auto-ignition device of fig. 2.
FIG. 4 is a block diagram of the automatic temperature measuring device of FIG. 2.
Fig. 5 is a side view of the support plate of fig. 1.
Fig. 6 is a partial view showing an operation state of the embodiment of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
As shown in fig. 1 to 5, an automatic flame heating and air cooling device of this embodiment includes a base plate 1, two support plates 2 welded to the base plate, and a control cabinet 3 with a controller (not shown) inside, wherein the lower ends of the two support plates 2 are respectively provided with a vent hole 4 for communicating the inside and the outside, the inner sides of the two support plates 2 are respectively welded with a rib plate 5, and the controller is connected with a setting panel 6, a temperature display panel and a recording panel 7; the bottom plate 1 between the two support plates 2 is provided with a U-shaped gas pipe 8, two ends of the gas pipe 8 are closed, the gas pipe 8 is correspondingly provided with two rows of automatic ignition devices 9, each row of automatic ignition devices 9 comprises a gas core 10, a spray pipe 11 and an electronic igniter 13, the lower end of the gas core 10 is fixedly connected with the gas pipe 8 in a whole circle of welding way, the gas pipe 8 is provided with a plurality of air holes 12 communicated with the inner holes of each gas core 10, the spray pipe 11 is sleeved outside the gas core 10, the spray pipe 11 is fixedly connected with the gas pipe 8 in a welding way at a part longitudinally adjacent to the gas pipe 8, and each electronic igniter 13 is connected with a controller through an ignition circuit 14; the middle part of the gas pipe 8 is communicated with the outlet of the gas inlet pipe 15, the gas inlet pipe 15 is provided with two gas inlet ports 24 and 25, the two gas inlet ports are provided with electric control valves 16 and 17, and the two electric control valves 16 and 17 are connected with a controller; three automatic temperature measuring devices 18 are arranged between the air delivery pipes 8, each automatic temperature measuring device 18 comprises a supporting shell 19 fixedly arranged on the bottom plate 1, a spring 20 arranged in the supporting shell 19, an aluminum silicate fiber heat insulation layer 21 arranged at the upper end of the supporting shell 19, the upper end of the spring 20 penetrates through the aluminum silicate fiber heat insulation layer 21 and is provided with a temperature thermocouple 22, the temperature thermocouples 22 are connected with a controller through temperature measuring lines 23, and the aluminum silicate fiber heat insulation layer 21 is slightly higher than the two supporting plates 2 by 2-5 mm;
when the utility model is used, the lowest preheating temperature a, the highest temperature b, the temperature c and the heating stopping temperature d of the welding, the highest temperature b, the temperature c and the heating stopping temperature d of the cooling measures to be adopted are preset through the panel 6, and the two air inlet ports 24 and 25 are respectively connected with a natural gas pipe and a compressed air pipe;
as shown in fig. 6, two workpieces 26 to be welded are placed on the two support plates 2, and the gravity of the workpieces 26 compresses the springs 20 and the aluminum silicate fiber heat insulation layer 21, so that the temperature thermocouple 22 and the aluminum silicate fiber heat insulation layer 21 are tightly attached to the workpieces 26, and the temperature of the workpieces can be accurately measured;
the controller is started, and the following operations can be executed according to working conditions:
heating: if the temperature of the workpiece is lower than the temperature a, opening an electric control valve 16 through a controller, filling natural gas, and igniting through an automatic ignition device 9 to uniformly heat the product; when the measured temperature of the workpiece reaches the temperature d, the electric control valve 16 is closed, the natural gas filling is stopped, and the workpiece is not heated any more;
and (3) cooling: if the temperature of the workpiece is higher than the temperature b in the welding process, opening an electric control valve 17 through a controller, filling compressed air, and forcedly cooling the workpiece through each core 10 and the spray pipe 11; stopping the compressed air filling when the measured temperature of the workpiece is lower than the temperature c;
no heating is required: if the temperature of the workpiece is measured to be between a and b, the workpiece can be directly welded without heating;
the arrangement of the two rows of automatic ignition devices 9 can ensure that the welding areas of the two workpieces 26 are heated uniformly; the jet pipe 11 makes the sprayed natural gas relatively concentrated and easy to ignite; the vent holes 4 facilitate timely supplement of oxygen during combustion, improve the combustion efficiency of the fuel gas, facilitate discharge of compressed air during cooling, and improve the cooling effect;
according to the utility model, the electric control valves 16 and 17 and the electronic igniters 13 are automatically controlled according to the temperature data fed back by the temperature thermocouple 22, and the operations of heating, stopping heating and cooling the workpiece can be realized, so that the automatic heating and automatic cooling can be switched, a device is not required to be replaced and manual ignition is not required, the utility model has the advantages of simple operation, high automation degree and good safety, and the welding operation can be performed during cooling, thereby improving the production efficiency;
while the utility model has been illustrated by the above examples, it is to be understood that the above examples are for illustrative and exemplary purposes only and are not intended to limit the utility model to the described examples, as silica insulation blanket may also be used as the insulation layer, as well as good insulation and a certain toughness; for example, the two electric control valves can also be connected with the controller through wireless remote control.
Claims (6)
1. An automatic flame heating and air cooling device comprises a bottom plate, two connected supporting plates and a control cabinet internally provided with a controller, wherein the controller is connected with a setting panel; the method is characterized in that: a U-shaped gas pipe is arranged on the bottom plate between the two support plates, two ends of the gas pipe are closed, the gas pipe is correspondingly provided with two rows of a plurality of automatic ignition devices, each automatic ignition device comprises a gas core, a spray pipe and an electronic igniter, the lower end of the gas core is fixedly connected with the gas pipe in a whole circle, the gas pipe is provided with a plurality of air holes communicated with the inner holes of each gas core, the spray pipe is sleeved outside the gas core, the spray pipe is fixedly connected with the gas pipe locally, and each electronic igniter is connected with the controller through an ignition circuit; the middle part of the gas transmission pipe is communicated with the outlet of the gas inlet pipe, the gas inlet pipe is provided with two gas inlet ports, the gas inlet ports are provided with electric control valves, and the two electric control valves are connected with the controller; more than two automatic temperature measuring devices are arranged between the gas delivery pipes, each automatic temperature measuring device comprises a supporting shell arranged on the bottom plate, a spring arranged in the supporting shell and a heat insulation layer arranged at the upper end of the supporting shell, the upper end of the spring penetrates through the heat insulation layer and is provided with a temperature thermocouple, the temperature thermocouples are connected with the controller through temperature measuring lines, and the heat insulation layer is higher than the two supporting plates.
2. An automated flame heating and air cooling device as defined in claim 1, wherein: the heat insulation layer is an aluminum silicate fiber layer or a silicon dioxide heat insulation felt.
3. An automated flame heating and air cooling device as defined in claim 2, wherein: the controller is connected with a temperature display and record panel.
4. An automated flame heating and air cooling device according to any one of claims 1 to 3, wherein: the lower ends of the two support plates are respectively provided with a vent hole communicated with the inner side and the outer side.
5. An automated flame heating and air cooling device as defined in claim 4, wherein: the inner sides of the two support plates are fixedly connected with rib plates.
6. An automated flame heating and air cooling device according to any one of claims 1 to 3, wherein: and the two electric control valves are connected with the controller through wireless remote control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393047.XU CN220249990U (en) | 2023-06-02 | 2023-06-02 | Automatic change flame heating and air cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321393047.XU CN220249990U (en) | 2023-06-02 | 2023-06-02 | Automatic change flame heating and air cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220249990U true CN220249990U (en) | 2023-12-26 |
Family
ID=89231904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321393047.XU Active CN220249990U (en) | 2023-06-02 | 2023-06-02 | Automatic change flame heating and air cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220249990U (en) |
-
2023
- 2023-06-02 CN CN202321393047.XU patent/CN220249990U/en active Active
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