CN213351276U - Auxiliary device for efficiently improving temperature of welding seam - Google Patents
Auxiliary device for efficiently improving temperature of welding seam Download PDFInfo
- Publication number
- CN213351276U CN213351276U CN202021362238.6U CN202021362238U CN213351276U CN 213351276 U CN213351276 U CN 213351276U CN 202021362238 U CN202021362238 U CN 202021362238U CN 213351276 U CN213351276 U CN 213351276U
- Authority
- CN
- China
- Prior art keywords
- gas
- welding seam
- temperature
- welded
- combustion pipe
- 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.)
- Active
Links
Images
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a high-efficient auxiliary device that promotes welding seam temperature, include: the air outlet of the air supply system is connected with the air inlet of the combustion pipe through an air inlet hose; the combustion tube is arranged on a bracket which is relatively fixed with the petrochemical device to be welded, the combustion tube is provided with a plurality of gas outlets which are uniformly arranged at intervals, and each gas outlet of the combustion tube is provided with a flame nozzle; the shape of the burner tube is adapted to the weld of the petrochemical device being welded, so that: the flame-throwing port of each flame-throwing nozzle faces the welding line, and the distances between the flame-throwing nozzles and the welding line are the same; and, auxiliary device still includes the welding seam temperature monitoring system who is used for monitoring by the welding seam temperature of welded petrochemical device. The utility model discloses can heat the intensification to the welding seam by welding petrochemical device, realize preheating, control welding interlayer temperature, the heat treatment such as afterheat of welding seam, have welding seam intensification efficient, the homogeneity is good, with low costs, receive the little advantage of place power supply load restriction.
Description
Technical Field
The utility model relates to a preheating and thermal treatment equipment of petrochemical device, specific high-efficient auxiliary device who promotes welding seam temperature that says so.
Background
A large amount of heat treatment equipment welding work is often required in the petrochemical device, preheating, welding interlayer temperature control, post-heating and post-welding heat treatment are required in the welding process, the power supply load is large by adopting a conventional electric heating method, the requirement on a construction site is high, the integral electricity utilization layout of the site is influenced, and the construction cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the auxiliary device for efficiently increasing the temperature of the welding seam is provided.
Solve above-mentioned technical problem, the utility model discloses the technical scheme who adopts as follows:
an auxiliary device for efficiently increasing the temperature of a welding seam is characterized by comprising: the gas outlet of the gas supply system is connected with the gas inlet of the combustion pipe through a gas inlet hose; the combustion pipe is arranged on a bracket which is relatively fixed with the petrochemical device to be welded, the combustion pipe is provided with a plurality of gas outlets which are uniformly arranged at intervals, and each gas outlet of the combustion pipe is provided with a flame nozzle; the shape of the burner tube is adapted to the weld of the welded petrochemical device such that: the flame-throwing port of each flame-throwing nozzle faces the welding line, and the distances between the flame-throwing nozzles and the welding line are the same; and, the auxiliary device still includes the welding seam temperature monitoring system who is used for monitoring the welding seam temperature of being welded petrochemical device.
Therefore, when in use, firstly, according to the diameter and the wall thickness of the petrochemical device to be welded, the length of the combustion pipe, the number and the position of the flame nozzles and the temperature measuring position of the welding seam temperature monitoring system are determined, then, the distance between each flame nozzle and the welding seam of the petrochemical device to be welded is adjusted through the mounting position of the support, finally, the gas supply system is opened, combustible gas is supplied to each flame nozzle, and the combustible gas sprayed by each flame nozzle is ignited to heat and raise the temperature of the welding seam of the petrochemical device to be welded according to the temperature data fed back by the welding seam temperature monitoring system and the design requirement, so that the preheating of the welding seam, the control of the temperature between the welding layers, the post-heating and other heat treatments are realized.
Preferably: the welding seam of the welded petrochemical device is an outer side welding seam, and the support is fixed on the fixed basis of the outside of the welded petrochemical device.
Preferably: the welding seam of the welded petrochemical device is an inner side welding seam, and the support is fixed inside the welded petrochemical device.
Wherein, the combustion tube preferably adopts the carbon steel pipe that the pipe diameter is enough little and can carry out the bending machine.
Therefore, when in use, the bracket can be fixed on the fixed base outside the welded petrochemical device to preheat the outer weld joint of the welded petrochemical device, control the temperature between welding layers, post-heat and the like; and bending the combustion pipe in a simmer mode, fixing the support inside the welded petrochemical device, and performing heat treatment such as preheating on an inner side welding line of the welded petrochemical device, controlling the temperature between welding layers, post-heating and the like.
As a preferred embodiment of the present invention: the combustion pipe comprises a plurality of combustion pipe short sections, two adjacent combustion pipe short sections are connected through a screwed double-end pipe hoop, and the combustion pipe short sections positioned at the edge are plugged through screwed plugs; and the gas outlet of the combustion tube is arranged on the combustion tube short section, and the flame nozzle is arranged on the gas outlet of the combustion tube in a threaded connection mode.
Thereby, can be according to the welding seam length by welding petrochemical device, the burning pipe is constituteed to the burning pipe nipple joint of nimble adoption corresponding quantity, length, and burning pipe nipple joint, screw joint double-end ferrule, screw joint end cap, bocca assemble through threaded connection mode, have the installation dismantle convenient, efficient advantage.
As a preferred embodiment of the present invention: the gas supply system comprises a combustible gas storage tank, wherein a gas outlet of the combustible gas storage tank is connected with a gas inlet of the buffer tank through a gas valve, a gas outlet of the buffer tank is connected with a gas inlet of the gas flow regulating valve, and a gas outlet of the gas flow regulating valve is used as a gas outlet of the gas supply system to be connected with a gas inlet of the gas inlet hose.
Therefore, the gas valve is opened to enable the combustible gas in the combustible gas storage tank to flow into the buffer tank so as to buffer gas pressure fluctuation, and then the combustible gas with stable gas flow is supplied to the flame nozzle through the gas inlet hose and the combustion pipe after passing through the gas flow regulating valve, and the flow of the combustible gas sprayed out of the flame nozzle can be controlled by regulating the gas flow regulating valve.
Preferably: the gas supply system is provided with two combustible gas storage tanks, and gas outlets of the two combustible gas storage tanks are respectively connected with the gas inlet of the buffer tank through one gas valve.
Therefore, the two combustible gas storage tanks can be switched on and off by the independent gas valves to realize gas supply output, and the two combustible gas storage tanks are used and prepared one by one, so that a gas supply system can be ensured to supply combustible gas uninterruptedly, and the continuity of the heating and temperature rising process of the welding seam is ensured.
Preferably: a flame arrester is connected between the gas outlet of the gas flow regulating valve and the gas inlet of the gas inlet hose so as to prevent combustible gas from flowing back under special conditions and ensure safety.
As a preferred embodiment of the present invention: the welding seam temperature monitoring system comprises a temperature display device and a plurality of thermocouples, and each thermocouple is clamped and fixed on the combustion tube and is electrically connected with the temperature display device.
Wherein, the number of the thermocouples can be selected according to the length of the welding seam of the petrochemical device to be welded.
Preferably: the thermocouple is arranged on the combustion pipe at intervals of 1 meter.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses be equipped with gas supply system, air inlet hose, combustion tube, support, bocca and welding seam temperature monitoring system, can heat the intensification to the welding seam by welding petrochemical device, realize preheating, control heat treatment such as welding seam interlayer temperature, postheat of welding seam, have welding seam intensification efficiency height, homogeneity good, with low costs, receive the little advantage of place power supply load restriction.
Drawings
The invention will be described in further detail with reference to the following drawings and specific embodiments:
FIG. 1 is a schematic structural view of the auxiliary device of the present invention applied to an outside weld;
fig. 2 is a schematic structural view of the auxiliary device of the present invention when applied to the inner side weld seam.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings to help those skilled in the art to better understand the concept of the present invention, but the scope of the claims of the present invention is not limited to the following embodiments, and all other embodiments obtained without creative work for those skilled in the art will fall within the scope of the present invention without departing from the scope of the present invention.
Example one
As shown in fig. 1 and fig. 2, the utility model discloses a high-efficient auxiliary device who promotes welding seam temperature, include: an air supply system for supplying combustible gas, wherein an air outlet of the air supply system is connected with an air inlet of a combustion pipe 6 through an air inlet hose 5; the combustion pipe 6 is arranged on a support 9 which is relatively fixed with a welded petrochemical device 13, the combustion pipe 6 is provided with a plurality of gas outlets which are uniformly arranged at intervals, and each gas outlet of the combustion pipe 6 is provided with a flame nozzle 8; the shape of the burner tube 6 is adapted to the weld of the welded petrochemical device 13 such that: the flame-throwing port of each flame-throwing nozzle 8 faces the welding line, and the distances between each flame-throwing nozzle 8 and the welding line are the same; and, the auxiliary device further includes a weld temperature monitoring system for monitoring the weld temperature of the welded petrochemical device 13.
Therefore, when in use, firstly, the length of the combustion pipe 6, the number position of the flame nozzles 8 and the temperature measuring position of the welding seam temperature monitoring system are determined according to the diameter and the wall thickness of the welded petrochemical device 13, then, the distance between each flame nozzle 8 and the welding seam of the welded petrochemical device 13 is adjusted through the installation position of the support 9, finally, the gas supply system is opened again, combustible gas is supplied to each flame nozzle 8, and the combustible gas sprayed out of each flame nozzle 8 is ignited to heat and raise the temperature of the welding seam of the welded petrochemical device 13 according to the temperature data fed back by the welding seam temperature monitoring system and the design requirement, so that the preheating of the welding seam, the control of the temperature between the welding seams, the post-heating and other heat treatments are realized, and the advantages of high welding seam temperature raising efficiency, good uniformity, low cost and small limitation of site power supply load are achieved.
The above is a basic implementation manner of the first embodiment, and further optimization, improvement and limitation may be performed on the basis of the basic implementation manner:
preferably: referring to fig. 1, the welded seam of the welded petrochemical device 13 is an outer seam, and the bracket 9 is fixed on a fixed foundation outside the welded petrochemical device 13.
Preferably: referring to fig. 2, the welded seam of the welded petrochemical device 13 is an inner-side welded seam, and the bracket 9 is fixed inside the welded petrochemical device 13.
Wherein, the combustion pipe 6 preferably adopts a carbon steel pipe with a pipe diameter small enough to be subjected to bending.
Therefore, when in use, the bracket 9 can be fixed on the fixed base outside the welded petrochemical device 13 to preheat the outer weld of the welded petrochemical device 13, control the temperature between welding layers, post heat and the like; and then bending the combustion pipe 6, fixing the support 9 in the welded petrochemical device 13, and performing heat treatment such as preheating on the inner side welding line of the welded petrochemical device 13, controlling the temperature between welding layers, post-heating and the like.
Example two
On the basis of the first embodiment, the second embodiment further adopts the following preferred structure:
the combustion pipe 6 comprises a plurality of combustion pipe short sections 6-1, two adjacent combustion pipe short sections 6-1 are connected through a screwed double-end pipe hoop 12, and the combustion pipe short sections 6-1 positioned at the edge are plugged through screwed plugs 7; and the gas outlet of the combustion pipe 6 is arranged on the combustion pipe nipple 6-1, and the flame nozzle 8 is arranged on the gas outlet of the combustion pipe 6 in a threaded connection mode.
Therefore, the combustion pipe 6 can be flexibly formed by adopting the combustion pipe short sections 6-1 with corresponding quantity and length according to the length of the welding seam of the petrochemical device 13 to be welded, and the combustion pipe short sections 6-1, the threaded double-end pipe hoop 12, the threaded plug 7 and the flame nozzle 8 are assembled in a threaded connection mode, so that the device has the advantages of convenience in installation and disassembly and high efficiency.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, the third embodiment further adopts the following preferable structure:
gas supply system includes combustible gas storage tank 1, the gas outlet of combustible gas storage tank 1 passes through the air inlet that pneumatic valve 14 connects buffer tank 2, the air inlet of gas flow control valve 3 is connected to the gas outlet of buffer tank 2, gas flow control valve 3's gas outlet does gas supply system's gas outlet is in order to connect the air inlet of air inlet hose 5.
Accordingly, the gas valve 14 is opened to flow the combustible gas in the combustible gas storage tank 1 into the buffer tank 2, thereby buffering the fluctuation of the gas pressure, and the combustible gas having a stable gas flow is supplied to the burner 8 through the gas flow control valve 3 via the gas inlet hose 5 and the combustion pipe 6, and the flow rate of the combustible gas discharged from the burner 8 can be controlled by adjusting the gas flow control valve 3.
The above is the basic implementation of the third embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the gas supply system is provided with two combustible gas storage tanks 1, and gas outlets of the two combustible gas storage tanks 1 are respectively connected with a gas inlet of the buffer tank 2 through one gas valve 14.
Therefore, the two combustible gas storage tanks 1 can be switched on and off by the independent gas valves 14, and the two combustible gas storage tanks are used and prepared one by one, so that the gas supply system can supply combustible gas continuously, and the continuity of the heating process of the welding seam is ensured.
Preferably: and a flame arrester 4 is connected between the gas outlet of the gas flow regulating valve 3 and the gas inlet of the gas inlet hose 5 so as to prevent combustible gas from flowing back under special conditions and ensure safety.
Example four
On the basis of any one of the first to third embodiments, the fourth embodiment further adopts the following preferred structure:
the welding seam temperature monitoring system comprises a temperature display device 11 and a plurality of thermocouples 10, wherein each thermocouple 10 is clamped and fixed on the combustion pipe 6 and is electrically connected with the temperature display device 11.
Wherein the number of thermocouples 10 may be selected according to the length of the weld of the petrochemical device 13 to be welded.
The above is the basic implementation of the fourth embodiment, and further optimization, improvement and limitation can be made on the basis of the basic implementation:
preferably: the thermocouple 10 is arranged on the combustion pipe 6 at intervals of 1 meter.
The present invention is not limited to the above-mentioned embodiments, and according to the above-mentioned contents, according to the common technical knowledge and conventional means in the field, without departing from the basic technical idea of the present invention, the present invention can also make other equivalent modifications, replacements or changes in various forms, all falling within the protection scope of the present invention.
Claims (9)
1. An auxiliary device for efficiently increasing the temperature of a welding seam is characterized by comprising: the gas supply system is used for supplying combustible gas, and the gas outlet of the gas supply system is connected with the gas inlet of the combustion pipe (6) through a gas inlet hose (5); the combustion pipe (6) is arranged on a support (9) which is relatively fixed with a welded petrochemical device (13), the combustion pipe (6) is provided with a plurality of gas outlets which are uniformly arranged at intervals, and each gas outlet of the combustion pipe (6) is provided with a flame nozzle (8); the shape of the combustion tube (6) is adapted to the weld of the welded petrochemical device (13) such that: the flame-throwing port of each flame-throwing nozzle (8) faces the welding line, and the distances between each flame-throwing nozzle (8) and the welding line are the same; and the auxiliary device also comprises a welding seam temperature monitoring system for monitoring the welding seam temperature of the welded petrochemical device (13).
2. The auxiliary device for efficiently increasing the temperature of the welding seam according to claim 1, is characterized in that: the welding seam of the welded petrochemical device (13) is an outer side welding seam, and the support (9) is fixed on the fixed basis of the outside of the welded petrochemical device (13).
3. The auxiliary device for efficiently increasing the temperature of the welding seam according to claim 1, is characterized in that: the welding seam of the welded petrochemical device (13) is an inner side welding seam, and the support (9) is fixed inside the welded petrochemical device (13).
4. The auxiliary device for efficiently increasing the temperature of the weld joint according to any one of claims 1 to 3, wherein: the combustion pipe (6) comprises a plurality of combustion pipe short sections (6-1), two adjacent combustion pipe short sections (6-1) are connected through a screwed double-end pipe hoop (12), and the combustion pipe short sections (6-1) positioned at the edge are plugged through screwed plugs (7); and the gas outlet of the combustion pipe (6) is arranged on the combustion pipe nipple (6-1), and the flame nozzle (8) is installed on the gas outlet of the combustion pipe (6) in a threaded connection mode.
5. The auxiliary device for efficiently increasing the temperature of the weld joint according to any one of claims 1 to 3, wherein: the gas supply system comprises a combustible gas storage tank (1), wherein a gas outlet of the combustible gas storage tank (1) is connected with a gas inlet of the buffer tank (2) through a gas valve (14), a gas outlet of the buffer tank (2) is connected with a gas inlet of the gas flow regulating valve (3), and a gas outlet of the gas flow regulating valve (3) serves as a gas outlet of the gas supply system.
6. The auxiliary device for efficiently increasing the temperature of the welding seam according to claim 5, is characterized in that: the gas supply system is provided with two combustible gas storage tanks (1), and the gas outlets of the two combustible gas storage tanks (1) are respectively connected with the gas inlet of the buffer tank (2) through one gas valve (14).
7. The auxiliary device for efficiently increasing the temperature of the welding seam according to claim 5, is characterized in that: and a flame arrester (4) is connected between the air outlet of the gas flow regulating valve (3) and the air inlet of the air inlet hose (5).
8. The auxiliary device for efficiently increasing the temperature of the weld joint according to any one of claims 1 to 3, wherein: the welding seam temperature monitoring system comprises a temperature display device (11) and a plurality of thermocouples (10), wherein each thermocouple (10) is clamped and fixed on the combustion pipe (6) and is electrically connected with the temperature display device (11) respectively.
9. The auxiliary device for efficiently increasing the temperature of the weld joint according to claim 8, wherein: the thermocouple (10) is arranged on the combustion pipe (6) at a distance of 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362238.6U CN213351276U (en) | 2020-07-13 | 2020-07-13 | Auxiliary device for efficiently improving temperature of welding seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021362238.6U CN213351276U (en) | 2020-07-13 | 2020-07-13 | Auxiliary device for efficiently improving temperature of welding seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213351276U true CN213351276U (en) | 2021-06-04 |
Family
ID=76139406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021362238.6U Active CN213351276U (en) | 2020-07-13 | 2020-07-13 | Auxiliary device for efficiently improving temperature of welding seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213351276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406554A (en) * | 2022-03-21 | 2022-04-29 | 重庆科技学院 | Device for welding X80 pipeline steel welded pipe and eliminating weld stress |
| CN116727914A (en) * | 2023-08-11 | 2023-09-12 | 苏芯物联技术(南京)有限公司 | Real-time intelligent control method for welding shielding gas under short welding seam scene |
-
2020
- 2020-07-13 CN CN202021362238.6U patent/CN213351276U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114406554A (en) * | 2022-03-21 | 2022-04-29 | 重庆科技学院 | Device for welding X80 pipeline steel welded pipe and eliminating weld stress |
| CN114406554B (en) * | 2022-03-21 | 2023-04-18 | 重庆科技学院 | Device for welding X80 pipeline steel welded pipe and eliminating weld joint stress |
| CN116727914A (en) * | 2023-08-11 | 2023-09-12 | 苏芯物联技术(南京)有限公司 | Real-time intelligent control method for welding shielding gas under short welding seam scene |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213351276U (en) | Auxiliary device for efficiently improving temperature of welding seam | |
| CN104976614A (en) | Multifunctional integrated combustor | |
| SK85995A3 (en) | Torch system for oxygen and fuel for alternating or parallel combustion of gas and liquid fuels | |
| CN106051760A (en) | Fuel injection device | |
| CN103453525B (en) | The using method of oxygen-enriched burner | |
| CN2800045Y (en) | Gas or electric heating furnace for oil well pipe | |
| CN219640246U (en) | Low-load burner and heating furnace using same | |
| CN101905399A (en) | Preheating device used before welding of boiler header pipe joint | |
| CN103591581B (en) | Automatic ignition multicell combined type flat heating device | |
| CN2784715Y (en) | Multifunctional heating stove for oil well | |
| CN210425544U (en) | Airtight fuel air heater | |
| CN2708175Y (en) | Gas and electricity dual-purpose oil well pipeline heating furnace | |
| CN203533554U (en) | Automatic-ignition multi-unit combined type flat-plate heating device | |
| CN210154380U (en) | Sleeve pipe heat exchanger assembly structure and air conditioner | |
| CN209902512U (en) | Offshore wind power single-pile heating device | |
| CN218539773U (en) | Emergency device for performing post-heating and dehydrogenation treatment during abnormal interruption of pipeline welding process | |
| CN109682237B (en) | Heater analogue means and heater analog system | |
| CN104728840A (en) | Self-gasification combustor | |
| CN206018626U (en) | A kind of burner fire nozzle mechanism | |
| CN218461137U (en) | Argon filling device for small pipe argon arc welding | |
| CN219588940U (en) | Adjustable arc thick plate welding heating tool | |
| CN113007731A (en) | Split type self-air-distribution variable-frequency liquid burner | |
| CN202109490U (en) | Oil-gas dual-purpose heat accumulating type combustor | |
| CN201129729Y (en) | Gas, solid fuel combined combustion nozzle for combustion girder | |
| RU2615301C2 (en) | Multi-operated heat generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |