CN205702952U - Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder - Google Patents
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder Download PDFInfo
- Publication number
- CN205702952U CN205702952U CN201620572275.7U CN201620572275U CN205702952U CN 205702952 U CN205702952 U CN 205702952U CN 201620572275 U CN201620572275 U CN 201620572275U CN 205702952 U CN205702952 U CN 205702952U
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- thick
- air inlet
- pipe
- weldering
- pressure vessel
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Abstract
This utility model relates to pressure container cylinder or pressure pipeline processing unit (plant) technical field, particularly relate to flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder, including support, support is provided with and adds hot pipe assembly, and frame bottom is provided with castor, add hot pipe assembly and include air inlet pipe and burning escape pipe, burning escape pipe is arc, and burning escape pipe communicates with air inlet pipe, this utility model simple in construction, easy to operate, and be capable of indulging, the preheating of circumferential weld and after-baking.
Description
Technical field
This utility model relates to pressure container cylinder or pressure pipeline processing unit (plant) technical field, particularly relates to a kind of heavy wall
Flame preheating device before the weldering of pressure container cylinder.
Background technology
Circumferential weld and longitudinal seam welding structure are widely used in various industrial parts, the heating in welding process and cooling
Inevitably leading to the generation of welding residual stress, the performance of welded unit is had a major impact by welding residual stress, some
Special ring, longitudinal seam welding require higher, and before this just requires butt welding, preheating has higher requirement.At present frequently be that single-point is solid
Fixed spray combustion heating, this technique is sometimes up to less than the requirement of required preheating, and weld seam preheating inequality, thus affect the matter of welding
Amount, some technological requirement is higher, and needs limit preheating limit welding, and the method for existing preheating is usually and uses gas flame artificial
Heating or the electrically heated method of crawler belt, both approaches all also exists the shortcoming taken time and effort with troublesome poeration.
Authorization Notice No. is the patent of CN 204975639 U: a kind of 360 degree of girth weldings preheat and weld synchronizer,
This device includes that base ring for fixing I, base ring for fixing II, infrared temperature sounder (3), base support, preheating Guide rollers turn
Son I, preheating Guide rollers rotor II, flame preheating head control valve, supporting frame, gas-shielded welding device, welding guide rail, spray
Fire preheating head, welding gun, preheating guide rail, welding Guide rollers rotor I and welding Guide rollers rotor II, base support passes through base
Ring for fixing I, base ring for fixing II are provided with supporting frame, and supporting frame is circular, and welding guide rail, preheating guide rail are ring-type, in advance
Before and after thermal conductance rail, welding guide rail on parallel installation supporting frame, preheating guide rail is provided with the preheating guide rail making preheating guide rail rotate
Pulley rotor I and preheating Guide rollers rotor II, welding guide rail is provided with the welding Guide rollers rotor I making welding guide rail rotate
With welding Guide rollers rotor II, supporting frame is provided with infrared temperature sounder, and eight flame preheating heads are evenly distributed on pre-
On thermal conductance rail, flame preheating head is provided with flame preheating head control valve, and 4 welding guns are evenly distributed on welding guide rail and can be arbitrarily
Adjusting angle, welding gun is provided with gas-shielded welding device, and described preheating guide rail, welding guide rail fore-and-aft clearance are 5cm-100cm,
This patent to need annular weld bead warm-up temperature region can arbitrarily all standing, 360 degree of preheatings without dead angle, improve welding condition, but
It is that this patent structure is the most complicated, is unfavorable for operation；
Authorization Notice No. is the patent of CN 204999942 U: a kind of large-diameter cylinder body circular seam preheating device, its structure has
Air inlet pipe, add heat pipe, burner, support, connecting tube etc.；Distribution of Natural hole is uniformly offered in described adding on heat pipe, burner welds
On the Distribution of Natural hole adding heat pipe；Whole device is fixed by support；Natural gas enters from air inlet pipe, through heating
Pipe is sprayed ignition by Distribution of Natural hole by burner (3), and this device is parallel with two and adds heat pipe, by connecting tube by two
Individual heating sealing of tube connects.But circumferential weld can only be preheated by this patent, it is impossible to preheats longitudinal joint, range of application is too
Narrow, and the gas being passed through is single.
Utility model content
The purpose of this utility model is to provide flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder, solves pre-
Heat difficulty, the technical problem of inconvenient operation；
The technical scheme that this utility model solves above-mentioned technical problem is as follows:
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder, including support, described support is provided with heating
Pipe assembly, and frame bottom is provided with castor, described in add hot pipe assembly and include air inlet pipe and burning escape pipe, described burning is given vent to anger
Pipe is arc, and burning escape pipe communicates with described air inlet pipe.
On the basis of technique scheme, this utility model can also do and improve as follows:
Further, the central angle of described burning escape pipe is not less than 180 degree, uses this step to provide the benefit that convenient to thickness
Wall pressure container cylinder preheats.
Further, described burning escape pipe inwall is communicated with multiple burner, uses this step to provide the benefit that and facilitate shape
Circularize flame.
Further, described air inlet pipe is evenly arranged with multiple air inlet, uses this step to provide the benefit that by multiple
Air inlet, can be passed through different mixed gas.
Further, described castor is movable castor, uses this step to provide the benefit that by movable castor and regulates support
Position.
The utility model discloses flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder, including support, propping up
Castor is installed bottom frame, in use, support can be facilitated to move by castor, namely can regulate of the present utility model
Position；
Castor in this utility model is movable castor, in use, can conveniently regulate；
This utility model also includes adding hot pipe assembly, in use, thick-walled pressure vessel cylinder is placed on to add heat pipe total
Cheng Shang, utilization adds hot pipe assembly butt welding and connects groove and around carry out preheating and after heat, facilitates follow-up welding procedure.
Adding hot pipe assembly in this utility model and include air inlet pipe and burning escape pipe, shown burning escape pipe is arc, and
Burning escape pipe communicates with described air inlet pipe.
Because thick-walled pressure vessel cylinder is circular, burning escape pipe is designed, is allowed to be applicable to heavy walled pressure and holds
Device cylinder.
The arc of burning escape pipe is designed by this utility model, it is ensured that the central angle of burning escape pipe is not less than 180
Degree, is communicated with multiple burner on described burning escape pipe inwall；
In use, annular flame can be formed by burning escape pipe, it is achieved the preheating of circumferential weld.
This utility model is evenly arranged with multiple air inlet in described air inlet pipe；
In use, by multiple air inlets, different burning mixtures can be passed through, be also convenient for regulating mixed gas
Ratio.
This utility model is when practical operation, when the longitudinal joint of thick-wall and large-diameter pressure container cylinder needs welding, and can be by
The part of alignment longitudinal joint is combined into the combustion gas of trachea and lights, and traversing carriage makes flame preheat it；
When thick-wall and large-diameter pressure container cylinder circumferential weld needs welding, cylinder is made slowly to rotate, by the group of alignment circumferential weld
Close escape pipe all to light, by flame, it is preheated.
The beneficial effects of the utility model:
1. this utility model is provided with support, castor and adds hot pipe assembly, wherein adds during hot pipe assembly rack-mount,
Now, the movement of castor can drive and add hot pipe assembly and move, it is achieved the preheating of the multiple position of cylinder, improves of the present utility model
Range of application.
2. the hot pipe assembly that adds that this practicality is new includes air inlet pipe, and wherein air inlet pipe is provided with multiple air inlet, the most permissible
It is passed through different gas, by lighting different mixed gas, the temperature of regulation preheating.
The hot pipe assembly that adds the most of the present utility model includes the escape pipe that burns, and wherein burning escape pipe is arc, utilizes burning
Burner inside escape pipe, lights mixed gas, it is achieved preheating.
4. this utility model improves the welding quality of product, solves thick-wall and large-diameter pressure container cylinder and pressure
A weld preheating difficult problem for pipeline, makes the weld horizontal of thick-wall and large-diameter cylinder rise a class.
5. the labor intensity of heating operation workman during this utility model decreases production process, so that working condition is greatly
Improve
Accompanying drawing explanation
Fig. 1 be a kind of thick-walled pressure vessel cylinder described in this utility model specific embodiment weldering before flame preheating device
Structural representation；
In accompanying drawing, the list of parts representated by each label is as follows:
1, support；
2, hot pipe assembly is added；
3, castor；
4, thick-walled pressure vessel cylinder；
5, air inlet pipe；
6, burning escape pipe；
7, burner；
8, air inlet.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
This utility model is provided with support, castor and adds hot pipe assembly, wherein adds during hot pipe assembly rack-mount, this
Time, the movement of castor can drive and add hot pipe assembly and move, it is achieved the preheating of the multiple position of cylinder, improve of the present utility model should
By scope, what this practicality was new add hot pipe assembly includes air inlet pipe, and wherein air inlet pipe is provided with multiple air inlet, so can be passed through
Different gas, by lighting different mixed gas, the temperature of regulation preheating, the hot pipe assembly that adds of the present utility model includes combustion
Burning trachea, wherein burning escape pipe is arc, utilizes the burner inside burning escape pipe, lights mixed gas, it is achieved preheating,
This utility model improves the welding quality of product, before solving the weldering of thick-wall and large-diameter pressure container cylinder and pressure pipeline
A preheating difficult problem, makes the weld horizontal of thick-wall and large-diameter cylinder rise a class, and this utility model decreases in production process
The labor intensity of heating operation workman, so that working condition is greatly improved.
Embodiment:
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder as shown in Figure 1, including support 1, described support 1
On be provided with to add and bottom hot pipe assembly 2, and support 1, be provided with castor 3；
In use, the movement of support 1 can be realized by castor 3, facilitate adjusting position, can by adding hot pipe assembly 2
To realize the preheating of thick-walled pressure vessel cylinder 4.
Adding hot pipe assembly 2 described in as shown in Figure 1 and include air inlet pipe 5 and burning escape pipe 6, shown burning escape pipe 6 is arc
Shape, and burning escape pipe 6 communicate with described air inlet pipe 5；
In use, it is passed through burning gases by air inlet pipe 5, provides burning gases by burning escape pipe 6, and this practicality
Burning escape pipe 6 in novel is arc, corresponding with the outside of thick-walled pressure vessel cylinder 4, and convenient realization preheats function.
As it is shown in figure 1, the central angle of described burning escape pipe 6 is not less than 180 degree；
In use, conveniently thick-walled pressure vessel cylinder 4 is preheated.
As it is shown in figure 1, be communicated with multiple burner 7 on described burning escape pipe 6 inwall；
In use, after being passed through fuel gas, need to light, preheating function can be realized, permissible by burner 7
Conveniently light.
Wherein, described air inlet pipe 6 is evenly arranged with multiple air inlet 8；
In use, this utility model is provided with multiple air inlet 8 in air inlet pipe 6, and different air inlets 8 can enter not
Same gas, it is also possible to enter identical gas, and the ratio between different gas can be adjusted, so regulate preheating
Temperature.
Wherein, described castor 3 is movable castor；
In use, the position of support 1 can be regulated by movable castor.
This utility model utilizes castor 3 to realize the mobile and regulation of position, can regulate gaseous mixture by multiple air inlets 8
Body, it is achieved the change of preheating temperature.
This utility model is when practical operation, when the longitudinal joint of thick-wall and large-diameter pressure container cylinder 4 needs welding, and can be by
The part of alignment longitudinal joint is combined into the combustion gas of trachea and lights, and traversing carriage makes flame preheat it；
When the circumferential weld of thick-wall and large-diameter pressure container cylinder 4 needs welding, cylinder is made slowly to rotate, by alignment circumferential weld
It is combined into trachea all to light, by flame, it is preheated.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (5)
1. flame preheating device before the weldering of a thick-walled pressure vessel cylinder, it is characterised in that include support, described support sets
Be equipped with and add hot pipe assembly, and frame bottom is provided with castor, described in add hot pipe assembly include air inlet pipe and burning escape pipe, described
Burning escape pipe is arc, and burning escape pipe communicates with described air inlet pipe.
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder the most according to claim 1, it is characterised in that institute
State the central angle of burning escape pipe not less than 180 degree.
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder the most according to claim 2, it is characterised in that institute
State and be communicated with multiple burner on burning escape pipe inwall.
Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder the most according to claim 3, it is characterised in that institute
State and in air inlet pipe, be evenly arranged with multiple air inlet.
5. according to flame preheating device, its feature before the weldering of the arbitrary described a kind of thick-walled pressure vessel cylinder of claim 1-4
Being, described castor is movable castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572275.7U CN205702952U (en) | 2016-06-12 | 2016-06-12 | Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572275.7U CN205702952U (en) | 2016-06-12 | 2016-06-12 | Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205702952U true CN205702952U (en) | 2016-11-23 |
Family
ID=57305034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620572275.7U Expired - Fee Related CN205702952U (en) | 2016-06-12 | 2016-06-12 | Flame preheating device before the weldering of a kind of thick-walled pressure vessel cylinder |
Country Status (1)
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| CN (1) | CN205702952U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975870A (en) * | 2017-05-26 | 2017-07-25 | 青岛北海船舶重工有限责任公司 | A kind of weld heating device |
| CN107702095A (en) * | 2017-10-30 | 2018-02-16 | 二重集团（镇江）重型装备厂有限责任公司 | A kind of shell ring circumferential weld heating arrangements of pressure vessel |
| CN107717271A (en) * | 2017-12-26 | 2018-02-23 | 共享铸钢有限公司 | Local preheating's device before large-scale steel-casting Repair Welding |
| CN107790925A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | Weld seam preheats dolly |
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN109332956A (en) * | 2018-11-27 | 2019-02-15 | 安徽省特种设备检测院 | Thermal process after a kind of welding preheating |
| CN109676298A (en) * | 2019-02-13 | 2019-04-26 | 郑州立德机电设备有限公司 | A kind of box structure weld preheating device |
| CN110394571A (en) * | 2018-04-24 | 2019-11-01 | 兰州兰石重型装备股份有限公司 | Circumferential Welds In Cylinders weld preheating and postwelding disappear hydrogen tooling and its application method |
| CN111266700A (en) * | 2020-03-30 | 2020-06-12 | 安徽马钢设备检修有限公司 | Welding device and repairing process for heat-resistant steel base of slow cooling wheel |
| CN112091372A (en) * | 2020-04-30 | 2020-12-18 | 中国航发航空科技股份有限公司 | Auxiliary heating device and heating method for argon arc welding of annular case |
-
2016
- 2016-06-12 CN CN201620572275.7U patent/CN205702952U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975870A (en) * | 2017-05-26 | 2017-07-25 | 青岛北海船舶重工有限责任公司 | A kind of weld heating device |
| CN107702095A (en) * | 2017-10-30 | 2018-02-16 | 二重集团（镇江）重型装备厂有限责任公司 | A kind of shell ring circumferential weld heating arrangements of pressure vessel |
| CN107790925A (en) * | 2017-11-24 | 2018-03-13 | 张化机（苏州）重装有限公司 | Weld seam preheats dolly |
| CN107790925B (en) * | 2017-11-24 | 2024-04-12 | 张化机（苏州）重装有限公司 | Welding seam preheating trolley |
| CN107717271A (en) * | 2017-12-26 | 2018-02-23 | 共享铸钢有限公司 | Local preheating's device before large-scale steel-casting Repair Welding |
| CN110394571A (en) * | 2018-04-24 | 2019-11-01 | 兰州兰石重型装备股份有限公司 | Circumferential Welds In Cylinders weld preheating and postwelding disappear hydrogen tooling and its application method |
| CN109014518B (en) * | 2018-09-17 | 2023-09-12 | 安徽马钢设备检修有限公司 | Welding device and repairing process for train wheel die holder |
| CN109014518A (en) * | 2018-09-17 | 2018-12-18 | 安徽马钢设备检修有限公司 | A kind of train wheel die holder welder and renovation technique |
| CN109332956A (en) * | 2018-11-27 | 2019-02-15 | 安徽省特种设备检测院 | Thermal process after a kind of welding preheating |
| CN109676298A (en) * | 2019-02-13 | 2019-04-26 | 郑州立德机电设备有限公司 | A kind of box structure weld preheating device |
| CN109676298B (en) * | 2019-02-13 | 2023-08-18 | 郑州立德机电设备有限公司 | Preheating device for box structural part before welding |
| CN111266700B (en) * | 2020-03-30 | 2023-09-26 | 安徽马钢设备检修有限公司 | Welding device and repairing process for heat-resistant steel base of slow-cooling wheel |
| CN111266700A (en) * | 2020-03-30 | 2020-06-12 | 安徽马钢设备检修有限公司 | Welding device and repairing process for heat-resistant steel base of slow cooling wheel |
| CN112091372A (en) * | 2020-04-30 | 2020-12-18 | 中国航发航空科技股份有限公司 | Auxiliary heating device and heating method for argon arc welding of annular case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20210612 |