CN208170361U - A kind of suspension and support device suitable for boiler high temperature reheater - Google Patents
A kind of suspension and support device suitable for boiler high temperature reheater Download PDFInfo
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- CN208170361U CN208170361U CN201820608454.0U CN201820608454U CN208170361U CN 208170361 U CN208170361 U CN 208170361U CN 201820608454 U CN201820608454 U CN 201820608454U CN 208170361 U CN208170361 U CN 208170361U
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- high temperature
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- temperature reheater
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Abstract
The utility model relates to a kind of suspension and support devices suitable for boiler high temperature reheater, supporting plate including vertical branch swing pipe folder and multiple levels, no-welding connection is used between branch swing pipe folder and high temperature reheater pipe row, uniform pore openings in the height direction are pressed from both sides in branch swing pipe, bracket holes as mounting bracket plate, it in the adjacent pipe gap of each supporting plate insertion high temperature reheater pipe row, and is abutted with square tube thereon, is used to support the weight of square tube thereon.Branch swing pipe folder is welded on branch shackle plate, meanwhile, branch swing pipe folder is welded with roof tube fin, plays sealing function.Compared with prior art, the utility model branch device for hoisting reasonable stress, there is good effect for eliminating stress and concentrating, it avoids the occurrence of and arranges most of weight since high outmost turns pipe again caused by all welding between otic placode and high temperature reheater pipe row undertakes entire pipe, eventually leading to welding defect region, there is a phenomenon where fatigue crackings under long-term stress effect.
Description
Technical field
The utility model relates to a kind of suspension and support devices, hang more particularly, to a kind of branch suitable for boiler high temperature reheater
Rack device.
Background technique
Station boiler high temperature reheater vertical tube coil middle section is generally inverted U arrangement, existing suspension and support side
Formula is directly welded in outmost turns a pipe by otic placode, and the second to the 9th root canal of outmost turns is welded using fin
For entirety.Sealing function is played in otic placode and the welding of steam fin simultaneously.High inverted U weight again reaches height again by hanging
On the erecting by overhang for importing and exporting header, last high overall weight again is transmitted on large girder.
This hanging structure will bear the oscillatory forces of tube panel when tube panel and lift gravity, hot expansion resistance, boiler operatiopn,
Pipe and otic placode temperature difference bring thermal stress etc..Especially high a pipe outermost again, i.e., will bear entire tube panel and steaming
Vapour gravity, otic placode and material thickness difference are big, temperature gradient is big, and thermal stress is big, and tubing intensity itself is also with temperature in addition
It increases and declines, form stress in pipe and otic placode weld and concentrate.It is acted on, is welding by higher stress for a long time at high temperature
Defect area causes stress to be concentrated and generates destruction, finally results in drawing crack, high temperature booster.
Utility model content
The purpose of this utility model is exactly to provide a kind of suitable for pot to overcome the problems of the above-mentioned prior art
The suspension and support device of furnace high temperature reheater can eliminate stress concentration, increase the service life of high temperature reheater pipe, ensure unit
Safe operation.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of suspension and support device suitable for boiler high temperature reheater, for hanging inverted U-shaped high temperature reheater pipe row, packet
The supporting plate of vertical branch swing pipe folder and multiple levels is included, is used between the branch swing pipe folder and high temperature reheater pipe row and exempts to weld
It connects in succession, is uniformly provided with bracket holes in the height direction in branch swing pipe folder, is used for mounting bracket plate, each supporting plate is inserted into high temperature
It in the adjacent pipe gap of reheater tube row, and is abutted with square tube thereon, is used to support the weight of square tube thereon.
Further, the supporting plate is detachably connected with branch swing pipe folder.
Further, size is gradually reduced from top to bottom for the bracket holes and supporting plate.
Further, the nethermost one block of plate of the supporting plate is the arc plate to raise upward, other are plate.
Further, the device further includes branch shackle plate, and the branch swing pipe folder is welded on branch shackle plate, together
When, branch swing pipe folder is welded with roof tube fin, plays sealing function.
The weight that the branch shackle plate arranges high temperature reheater pipe reaches height and is imported and exported on the erecting by overhang of header again,
Finally high overall weight again is transmitted on large girder.
Further, branch swing pipe folder, supporting plate and branch shackle plate material use high temperature resistant stainless steel
16Cr20Ni14Si2, elevated temperature strength and inoxidizability with higher.
Compared with prior art, the utility model has the following advantages that：
(1) suspension clamp structure is used between high temperature reheater pipe row and branch swing pipe folder, it is right therebetween there is no rigid connection
In eliminating, stress concentration is advantageous.
(2) branch swing pipe presss from both sides the bracket holes along short transverse uniform pore openings as mounting bracket plate, each layer of supporting plate height
It is intermediate in two high temperature reheater pipe rows on direction, while it being closer to one layer of pipeloop, each supporting plate can undertake
The weight of one layer of Gao Zaiguan thereon uniformly undertakes high pipe weight again, branch device for hoisting reasonable stress.
(3) unwelded between the high row of pipe again (i.e. high temperature reheating pipe is arranged) and branch swing pipe folder, have for eliminating stress concentration
Good effect is avoided the occurrence of since high outmost turns pipe again caused by all welding between otic placode and high temperature reheater pipe row is held
It carries on a shoulder pole entire pipe and arranges most of weight, eventually leading to welding defect region, there is a phenomenon where fatigue crackings under long-term stress effect.
(4) branch swing pipe folder, branch shackle plate, supporting plate are all made of higher elevated temperature strength and antioxidative stainless steel
16Cr20Ni14Si2 enhances the branch device for hoisting service life.
(5) size is gradually reduced from top to bottom for bracket holes and supporting plate, is met supporting plate and is undertaken weight from top to bottom gradually
The characteristics of reduction, alleviates device weight itself, saves production cost.
(6) the nethermost one block of plate of supporting plate is the arc plate to raise upward, and mechanical property is good；Other are plate, are had
The relative position arranged conducive to device with high temperature reheater pipe is fixed, and prevents from shaking.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model suspension and support device；
Fig. 2 is the side structure schematic view of the utility model suspension and support device；
Appended drawing reference：
1 presss from both sides for branch swing pipe；2 be supporting plate；3 be bracket holes；4 arrange for high temperature reheater pipe；5 be roof tube；6 be branch lifting lug
Plate.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment
As shown in Figure 1, 2, a kind of suspension and support device suitable for high temperature reheater, including branch swing pipe folder 1, support high temperature are again
Supporting plate 2, the bracket holes 3, branch shackle plate 6 of hot device pipe row.
In existing power plant's actual motion, the high temperature reheater pipe row 4 of inverted U arrangement needs branch device for hoisting to be hung
And fixation.In the present embodiment, branch device for hoisting fixed high temperature reheater pipe row 4 by the way of supporting plate 2 and branch swing pipe folder 1,
The mode being welded and fixed instead of traditional otic placode and high temperature reheater pipe.
In concrete operations, according to the quantity that high temperature reheater pipe is arranged, in 1 uniform pore openings in the height direction of branch swing pipe folder,
As the bracket holes 3 of mounting bracket plate 2, it is among upper and lower two pipeloops in each 2 short transverse of supporting plate, while more
Close to upper one layer of pipeloop, each supporting plate 2 can undertake the weight of one layer of pipeloop thereon.Bracket holes 3 and supporting plate 2 are from upper past
Lower size is gradually reduced, and 2 nethermost one blocks of plates of supporting plate are arc plate, other are plate.
Meanwhile branch swing pipe folder 1 is welded on branch shackle plate 6, meanwhile, branch swing pipe folder 1 and 5 fin welded seal of roof tube,
The place for preventing flying dust from connecting from roof tube with pipe clamp is diffused into the big packet of furnace roof.
The weight of the high row of inverted U pipe again, reaches height by branch shackle plate 6 and is imported and exported on the erecting by overhang of header again, finally
High overall weight again is transmitted on large girder, is avoided the occurrence of since all welding causes between otic placode and high temperature reheater pipe row
High outmost turns pipe again undertake the phenomenon that entire pipe arranges most of weight, there is good effect for eliminating stress and concentrating.
The present embodiment, which can be used for reference, hangs form suitable for the branch of the heating surface of other similar inverted U-shaped bend pipe arrangement.
Branch swing pipe folder 1, supporting plate 2 are all made of higher elevated temperature strength and antioxidative stainless steel 16Cr20Ni14Si2,
Enhance the branch device for hoisting service life.
Finally it should be noted that although described above carry out preferred embodiments of the present invention in conjunction with attached drawing
Description, but be not intended to limit the scope of the present invention, it is noted that those skilled in the art are come
It says, does not need to make the creative labor the various modifications or changes that can be made, still in the protection scope of the utility model.
Claims (6)
1. a kind of suspension and support device suitable for boiler high temperature reheater, for hanging inverted U-shaped high temperature reheater pipe row (4),
It is characterised in that it includes vertical branch swing pipe presss from both sides the supporting plate (2) of (1) and multiple levels, the branch swing pipe folder (1) and high temperature
Reheater tube, which is arranged, uses no-welding connection between (4), be uniformly provided with bracket holes (3), use in the height direction in branch swing pipe folder (1)
In mounting bracket plate (2), in the adjacent pipe gap of each supporting plate (2) insertion high temperature reheater pipe row (4), and with its top
Pipe abuts, and is used to support the weight of square tube thereon.
2. a kind of suspension and support device suitable for boiler high temperature reheater according to claim 1, which is characterized in that described
Supporting plate (2) and branch swing pipe folder (1) be detachably connected.
3. a kind of suspension and support device suitable for boiler high temperature reheater according to claim 1, which is characterized in that described
Bracket holes (3) and supporting plate (2) size is gradually reduced from top to bottom.
4. a kind of suspension and support device suitable for boiler high temperature reheater according to claim 1, which is characterized in that described
The nethermost one block of plate of supporting plate (2) be the arc plate to raise upward, other are plate.
5. a kind of suspension and support device suitable for boiler high temperature reheater according to claim 1, which is characterized in that described
Device further include branch shackle plate (6), the described branch swing pipe folder (1) is welded on branch shackle plate (6), meanwhile, branch swing pipe presss from both sides (1)
It is welded with the fin of roof tube (5).
6. a kind of suspension and support device suitable for boiler high temperature reheater according to claim 5, which is characterized in that described
Branch swing pipe folder (1), supporting plate (2) and branch shackle plate (6) material be high temperature resistant stainless steel 16Cr20Ni14Si2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820608454.0U CN208170361U (en) | 2018-04-26 | 2018-04-26 | A kind of suspension and support device suitable for boiler high temperature reheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820608454.0U CN208170361U (en) | 2018-04-26 | 2018-04-26 | A kind of suspension and support device suitable for boiler high temperature reheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208170361U true CN208170361U (en) | 2018-11-30 |
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ID=64367467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820608454.0U Active CN208170361U (en) | 2018-04-26 | 2018-04-26 | A kind of suspension and support device suitable for boiler high temperature reheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208170361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695866A (en) * | 2018-04-26 | 2019-04-30 | 中电华创电力技术研究有限公司 | A kind of suspension and support device suitable for boiler high temperature reheater |
| CN110594720A (en) * | 2019-09-19 | 2019-12-20 | 哈尔滨锅炉厂有限责任公司 | Boiler high-temperature section tube panel device and welding method |
-
2018
- 2018-04-26 CN CN201820608454.0U patent/CN208170361U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695866A (en) * | 2018-04-26 | 2019-04-30 | 中电华创电力技术研究有限公司 | A kind of suspension and support device suitable for boiler high temperature reheater |
| CN110594720A (en) * | 2019-09-19 | 2019-12-20 | 哈尔滨锅炉厂有限责任公司 | Boiler high-temperature section tube panel device and welding method |
| CN110594720B (en) * | 2019-09-19 | 2021-05-28 | 哈尔滨锅炉厂有限责任公司 | Boiler high-temperature section tube panel device and welding method |
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