CN202367364U - Flame heating device for end socket surfacing - Google Patents
Flame heating device for end socket surfacing Download PDFInfo
- Publication number
- CN202367364U CN202367364U CN2011205409280U CN201120540928U CN202367364U CN 202367364 U CN202367364 U CN 202367364U CN 2011205409280 U CN2011205409280 U CN 2011205409280U CN 201120540928 U CN201120540928 U CN 201120540928U CN 202367364 U CN202367364 U CN 202367364U
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- end socket
- heater
- heating device
- fixed
- ring
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Abstract
The utility model relates to a flame heating device for end socket surfacing, which comprises burner nozzles, a heater, a support shaft, a sliding shaft sleeve, a fixing support and an air inlet device, wherein the heater comprises one or more heating rings, and each heating ring is made of a metal pipe; the burner nozzles are arranged on the heating rings; the heater is fixed on the support shaft; the support shaft is fixed on the fixed support through a flange; the fixed support is fixed on a frame of a positioner; the inner side and the outer side of the sliding shaft sleeve are respectively provided with an oil trough, and the sliding shaft sleeve is sleeved outside the support shaft through the inner oil trough and sleeved in a central hole of the positioner through the outer oil trough; and the air inlet device is connected with the heating rings through ventilating pipes. The heater is overturned along with overturning of the positioner, but does not rotate along with the rotation of the positioner.
Description
Technical field
The utility model relates to heater, is specifically related to the end socket built-up welding and uses flame heating device.
Background technology
At present, the end socket inner wall overlaying is in the nuclear power generating equipment manufacturing with extensive use in producing, and Ni-based and stainless steel become the main material of nuclear power main equipment end socket inner wall overlaying with its good corrosion resistance.But in the nuclear power generating equipment manufacture process, the end socket inner wall overlaying is one of main restricting factor of making, and preheating and after heat are the important steps of this principal element during inner wall overlaying.
Relate to temperature control Ni-based and the stainless steel material built-up welding, be still the bigger technological problems of difficulty up to now.How to utilize positioner can satisfy heater not with workbench rotation, heater with working platform overturning, temperature controlling is the key of heater design when being convenient to realize built-up welding.
The utility model content
In view of above-mentioned present situation; In order to overcome Ni-based and the temperature controlled technology difficult problem stainless steel material built-up welding; Satisfy the requirement that heater does not overturn with the displacement machine worktable with the rotation of displacement machine worktable; Through rational installation configuration, realize end socket built-up welding heating on positioner, thereby accomplish the utility model.
The purpose of the utility model is to provide following aspect.
(1) flame heating device is used in a kind of end socket built-up welding, it is characterized in that, said end socket built-up welding comprises burner, heater, back shaft, sliding shaft sleeve, fixed support and inlet duct with flame heating device,
Wherein, heater comprises one or more heating rings, and heating ring is curved by metal tube, and burner is located on the heating ring, and heater is fixed on the back shaft, and back shaft is fixed on the fixed support through flange, and fixed support is fixed on the positioner frame,
All offer oil groove inside and outside the sliding shaft sleeve, be installed on outside the back shaft, be installed on through the outer oil sump socket in the centre bore of positioner through the inner oil sump socket;
Inlet duct is connected with heating ring via breather pipe.
(2) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, gap in the burner both sides.
(3) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, heater is fixed in heater to be supported, and heater supports and is fixed on the back shaft through flange, and fixed support is fixed on the positioner frame through screw.
(4) use flame heating device according to the end socket built-up welding described in above-mentioned (1); It is characterized in that; Back shaft comprises central shaft, and central shaft top is provided with boss, and the bottom is provided with baffle ring; The sliding shaft sleeve inner oil sump is installed on the central shaft of back shaft through matched in clearance, and blocks sliding shaft sleeve through boss on the back shaft and baffle ring.
(5) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, heater many ring layering shapes in the form of annular discs, along direction from bottom to top, the radius of heating ring increases gradually.
(6) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, on fixed support, be provided with and support backing plate and be connected backing plate, back shaft passes through flange and is connected the backing plate connection.
(7) use flame heating device according to the end socket built-up welding described in above-mentioned (1); It is characterized in that; Inlet duct comprises air baffle ring, support plate, natural gas tube and compressed air hose, and wherein compressed air hose stretches in the natural gas tube, and air baffle ring is fixed on the support plate; Support plate is located in the natural gas tube, and compressed air hose stretches into part above support plate and air baffle ring.
(8) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, said heater comprises one or more linear patterns, circular arc or U type heating ring.
(9) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that heating ring is provided with rotating shaft, through the direction of rotating shaft adjustment heating ring.
(10) use flame heating device according to the end socket built-up welding described in above-mentioned (1), it is characterized in that, natural gas tube links to each other with gas distributor through joint.
Flame heating device is used in end socket built-up welding according to the utility model; Through back shaft and sliding shaft sleeve are fixed on the positioner frame, because overturning with positioner, the positioner frame do not rotate with positioner, can satisfy heater and overturn with positioner; And heater does not rotate with positioner; Through workpiece rotation, even heated parts is specially adapted to the flame heat of end socket built-up welding.When workpiece such as end socket heat,, the angle between heater burner and the heating ring can be set according to the radian of workpiece heating surface; Make the burner can vertical required heated parts; Workpiece is heated evenly, has saved the repeated disassembled and assembled when end socket advances stove preheating, after heat, guarantee that end socket preheating on positioner, after heat all can adopt flame heat; Effectively reach the temperature requirement of preheating and after heat, for China's development nuclear power technology provides powerful technical support.
Description of drawings
Fig. 1 illustrates according to the end socket built-up welding of the utility model preferred implementation structural representation with flame heating device.
Fig. 2 illustrates according to the end socket built-up welding of the utility model preferred implementation structural representation with the burner of flame heating device.
Fig. 3 illustrates according to the end socket built-up welding of the utility model preferred implementation cross-sectional view with the back shaft of flame heating device.
Fig. 4 illustrates according to the end socket built-up welding of the utility model preferred implementation cross-sectional view with the sliding shaft sleeve of flame heating device.
Fig. 5 illustrates according to the end socket built-up welding of the utility model preferred implementation structural representation with the fixed support of flame heating device.
Fig. 6 illustrates according to the end socket built-up welding of the utility model preferred implementation inlet duct cross-sectional view with flame heating device.
Fig. 7 illustrates according to the end socket built-up welding of the utility model preferred implementation circular heating ring sketch map with flame heating device.
Fig. 8 illustrates according to the end socket built-up welding of the utility model preferred implementation U type heating ring sketch map with flame heating device.
Fig. 9 illustrates according to the end socket built-up welding of the utility model preferred implementation circular arc heater sketch map with flame heating device.
Figure 10 illustrates according to the end socket built-up welding of the utility model preferred implementation discoid many ring layering shape heater sketch mapes with flame heating device.
Figure 11 illustrates according to straight with flame heating device of the end socket built-up welding of the utility model preferred implementation. line style heating ring sketch map.
Figure 12 illustrates according to the end socket built-up welding of the utility model preferred implementation gas distributor sketch map with flame heating device.
Description of reference numerals:
The 1-burner
The 2-heating ring
The 3-heater supports
4-heater flange
The 5-back shaft
The 6-sliding shaft sleeve
The 7-breather pipe
The 8-fixed support
The 9-inlet duct
10-connects upper flange
The 11-baffle ring
The 12-central shaft
The 121-boss
13-connects lower flange
19-supports backing plate
20-connects backing plate
The 21-support
The 22-air baffle ring
The 23-support plate
The 24-natural gas tube
The 25-baffle plate
The 26-compressed air hose
27-natural gas joint
The 28-compressed air joint
The 31-rotating shaft
35-natural gas trunk line
The 36-gas distributor
The 37-stop valve
The specific embodiment
The utility model is elaborated through the specific embodiment below in conjunction with accompanying drawing.Characteristics of the utility model and advantage will become more clear, clear and definite along with these descriptions.
In preferred embodiment, provide a kind of end socket built-up welding to use flame heating device, it comprises burner 1, heater, heater support 3, back shaft 5, sliding shaft sleeve 6, fixed support 8 and inlet duct 9; Heater comprises one or more heating rings 2; Heating ring 2 is formed by metal tube, and burner 1 is located on the heating ring 2, and heater is fixed in heater to be supported on 3; Heater supports 3 and is fixed on the back shaft 5 through heater flange 4; Back shaft 5 is fixed on the fixed support 8 through flange, sliding shaft sleeve 6 through inner oil sump outside matched in clearance is socketed on back shaft 5, sliding shaft sleeve 6 through outer oil sump in matched in clearance is socketed on positioner centre bore (not shown); This moment, sliding shaft sleeve 6 played the effect that is similar to bearing; Make circumferentially to be free to slide between back shaft and the positioner centre bore that inlet duct 8 is connected with heating ring 2 via breather pipe 7, and is as shown in Figure 1.
Burning gases feed in the breather pipe 7 via inlet duct 9, at the burning of the burner place of heating ring, heated parts.Because heater is fixed on the positioner frame via back shaft; And the positioner frame is not rotated along with the positioner rotation, is installed on through sliding shaft sleeve under the situation of positioner centre bore at back shaft, when positioner rotates; Though the positioner centre bore rotates along with the positioner rotation; But heater does not rotate, and this moment, breather pipe 7 did not rotate with inlet duct 9 yet, and breather pipe 7 does not rotate with inlet duct 9 guarantees smooth air inlet and combustion completion.
In further preferred embodiment; Back shaft 5 comprises and connects upper flange 10, central shaft 12, boss 121, baffle ring 11 and be connected lower flange 13; Wherein connect upper flange and be connected fixingly with heater flange 4, connect lower flange 13 and be fixedly connected with fixed support 8, sliding shaft sleeve 6 is installed on the central shaft 12; Its upper and lower is blocked by boss 121 and baffle ring 12 respectively, and is as shown in Figure 3.
In further preferred embodiment, two oil grooves are offered in the sliding shaft sleeve inboard and the outside, and are as shown in Figure 4.
In further preferred embodiment; Fixed support 8 comprises support backing plate 19, connects backing plate 20 and support 21; Wherein support backing plate 19 and be used for supported axle 5, connect backing plate 20 and be used for being fixedly connected with the lower flange 13 that is connected of back shaft 5 through bolt, as shown in Figure 5.
In further preferred embodiment, said fixed support 8 amounts to 4, is fixed on the positioner frame through screw; Thereby make heater overturn with positioner; But do not rotate, can evenly add the heat-sealing head outer wall through the rotation end socket like this with heater.
In preferred embodiment; Inlet duct 9 comprises air baffle ring 22, support plate 23, natural gas tube 24 and compressed air hose 26, and wherein compressed air 26 pipes stretch in the natural gas tube 24, and air baffle ring 22 is fixed on the support plate 23; Support plate 23 is located in the natural gas tube 24; Compressed air hose 26 stretches into part above support plate 23 and air baffle ring 23, and natural gas tube 24 links to each other with gas distributor through natural gas street corner 27, and compressed air hose 26 links to each other with compressed air source through compressed air joint 28.
Because the compressed air hose pressure stretch is gone in the natural gas tube, therefore extension is in natural gas tube; When compressed air when blast injection goes out, utilize injection principle, natural gas is brought in the breather pipe; Thereby utilize natural gas better, and can prevent that natural gas from refluxing.
Be fixed on air baffle ring on the support plate and can control the linearity of blast injection better.In further preferred embodiment, compressed air hose is provided with natural gas tube is concentric, so that promote compressed-air actuated linearity to spray.
According to actual needs, according to the end socket built-up welding of the utility model with flame heating device in, can dispose 1 or many air inlet pipe, set an inlet duct on every air inlet pipe.
According to end socket inner wall overlaying heating requirements, the end socket preheat temperature is approximately 120 ℃ during inner wall overlaying, and postheat temperature is about 250～300 ℃.In view of the above, can regulate combustion gas natural gas and compressed-air actuated air inflow and air inlet ratio, thereby regulate the flame temperature at burner place.
In the utility model, heater and heating ring can have multiple version.Size and features of shape according to the end socket that will heat; Heater can be the circular heating ring of individual layer (as shown in Figure 7), the circular heating ring of multilayer (as shown in Figure 9); Perhaps single or a plurality of arc heating rings (as shown in Figure 8), perhaps single or a plurality of U type heating rings (shown in figure 10).
For example, when heater was single or a plurality of U type heating ring, heating ring was provided with rotating shaft, through the direction of rotating shaft adjustment heating ring.
Burning is located on the heating ring most.On heating ring, open φ 4 or φ 5 circular holes, require burner concentric with the heating ring circular hole, and different according to the position that adds heat-sealing head, and burner and heating ring are angled, guarantee that burner vertically adds heat-sealing head, so that more heat is utilized by end socket.
According to the end socket built-up welding of the utility model with flame heating device in; Each heating ring links to each other with a breather pipe; Breather pipe is connected with heating ring through back shaft, is connected with sliding shaft sleeve between central shaft and the positioner centre bore, guarantees with this that heater can overturn with positioner and does not but rotate.
In further preferred embodiment, in order to guarantee fully gas-firing of burner, and effectively economize natural gas; Designed gas distributor especially, shown in figure 11, natural gas is transported to the gas distributor 36 from trunk line 35; Adjust the flow of natural gas through the stop valve on the gas distributor 37; The natural gas via natural gas connects in the mouth inflow natural gas tube 24 then, and natural gas is transported to heating ring 2 through breather pipe 7, finally realizes the heating to workpiece through its combustion flame.Make each breather pipe 7 all control the flow of natural gas like this, make natural gas and compressed air, realize the completing combustion of natural gas with more rational proportion compounding by the stop valve of separately gas distributor.
In further preferred embodiment, as shown in Figure 2 at burner 1 both sides gap, be used for being equipped with the secondary air amount, make natural gas and air carry out the secondary proportioning, make burning reach optimum state.
More than through the preferred specific embodiment the utility model has been carried out exemplary explanation.What but need statement is; These specific embodiment only are the illustrative explanations to the utility model; The protection domain to the utility model does not constitute any restriction; Under the situation that does not exceed the utility model spirit and protection domain, those skilled in the art can carry out various improvement, replacement of equal value or modification to the utility model technology contents and embodiment thereof, and these all fall in the protection domain of the utility model.
Claims (10)
1. flame heating device is used in an end socket built-up welding, it is characterized in that, said end socket built-up welding comprises burner, heater, back shaft, sliding shaft sleeve, fixed support and inlet duct with flame heating device,
Wherein, heater comprises one or more heating rings, and heating ring is curved by metal tube, and burner is located on the heating ring, and heater is fixed on the back shaft, and back shaft is fixed on the fixed support through flange, and fixed support is fixed on the positioner frame,
All offer oil groove inside and outside the sliding shaft sleeve, be installed on outside the back shaft, be installed on through the outer oil sump socket in the centre bore of positioner through the inner oil sump socket,
Inlet duct is connected with heating ring via breather pipe.
2. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that the gap in the burner both sides.
3. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that, heater is fixed in heater to be supported, and heater supports and is fixed on the back shaft through flange, and fixed support is fixed on the positioner frame through screw.
4. flame heating device is used in end socket built-up welding according to claim 1; It is characterized in that; Back shaft comprises central shaft, and central shaft top is provided with boss, and the bottom is provided with baffle ring; The sliding shaft sleeve inner oil sump is installed on the central shaft of back shaft through matched in clearance, and blocks sliding shaft sleeve through boss on the back shaft and baffle ring.
5. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that, and heater many ring layering shapes in the form of annular discs, along direction from bottom to top, the radius of heating ring increases gradually.
6. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that, on fixed support, is provided with to support backing plate and be connected backing plate, and back shaft passes through flange and is connected the backing plate connection.
7. flame heating device is used in end socket built-up welding according to claim 1; It is characterized in that; Inlet duct comprises air baffle ring, support plate, natural gas tube and compressed air hose, and wherein compressed air hose stretches in the natural gas tube, and air baffle ring is fixed on the support plate; Support plate is located in the natural gas tube, and compressed air hose stretches into part above support plate and air baffle ring.
8. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that, said heater comprises one or more linear patterns, circular arc or U type heating ring.
9. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that heating ring is provided with rotating shaft, through the direction of rotating shaft adjustment heating ring.
10. flame heating device is used in end socket built-up welding according to claim 1, it is characterized in that, natural gas tube links to each other with gas distributor through joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205409280U CN202367364U (en) | 2011-12-21 | 2011-12-21 | Flame heating device for end socket surfacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205409280U CN202367364U (en) | 2011-12-21 | 2011-12-21 | Flame heating device for end socket surfacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202367364U true CN202367364U (en) | 2012-08-08 |
Family
ID=46591087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205409280U Expired - Lifetime CN202367364U (en) | 2011-12-21 | 2011-12-21 | Flame heating device for end socket surfacing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202367364U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386528A (en) * | 2013-06-18 | 2013-11-13 | 嵊州市致远焊接制品有限公司 | High-efficiency automatic flame soldering machine |
| CN107457509A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of limestone crushing roller wearing layer preheating surfacing device |
| CN110280928A (en) * | 2019-04-11 | 2019-09-27 | 镇江市高等专科学校 | A kind of adjustable flange resurfacing welding heating device |
| CN115780960A (en) * | 2023-02-09 | 2023-03-14 | 二重(镇江)重型装备有限责任公司 | Large-scale rotating workpiece surfacing preheating device |
-
2011
- 2011-12-21 CN CN2011205409280U patent/CN202367364U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103386528A (en) * | 2013-06-18 | 2013-11-13 | 嵊州市致远焊接制品有限公司 | High-efficiency automatic flame soldering machine |
| CN103386528B (en) * | 2013-06-18 | 2015-06-10 | 嵊州市致远焊接制品有限公司 | High-efficiency automatic flame soldering machine |
| CN107457509A (en) * | 2017-08-15 | 2017-12-12 | 安徽卓煌机械设备有限公司 | A kind of limestone crushing roller wearing layer preheating surfacing device |
| CN107457509B (en) * | 2017-08-15 | 2019-06-21 | 溧阳天山水泥有限公司 | A kind of limestone crushing roller wearing layer preheating surfacing device |
| CN110280928A (en) * | 2019-04-11 | 2019-09-27 | 镇江市高等专科学校 | A kind of adjustable flange resurfacing welding heating device |
| CN115780960A (en) * | 2023-02-09 | 2023-03-14 | 二重(镇江)重型装备有限责任公司 | Large-scale rotating workpiece surfacing preheating device |
| CN115780960B (en) * | 2023-02-09 | 2023-04-07 | 二重(镇江)重型装备有限责任公司 | Large-scale rotating workpiece surfacing preheating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |