CN213003460U - Welding structure for outer protecting plate of tube bank of boiler - Google Patents
Welding structure for outer protecting plate of tube bank of boiler Download PDFInfo
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- CN213003460U CN213003460U CN202021041083.6U CN202021041083U CN213003460U CN 213003460 U CN213003460 U CN 213003460U CN 202021041083 U CN202021041083 U CN 202021041083U CN 213003460 U CN213003460 U CN 213003460U
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- outer casing
- card
- groove
- tube bank
- bank
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Abstract
The utility model relates to a bank of tubes outer casing welded structure of boiler belongs to the technical field of boiler bank of tubes, and its technical scheme main points are including setting up outer casing and the retaining ring on the bank of tubes, all are provided with the joint subassembly between the both sides of outer casing and the retaining ring, and the joint subassembly is used for carrying out the joint with outer casing and retaining ring, and welded fastening between outer casing and the retaining ring reaches and improves joint strength between outer casing and the retaining ring to improve the effect of outer casing installation stability.
Description
Technical Field
The utility model relates to a technical field of boiler bank of tubes, in particular to bank of tubes outer casing welded structure of boiler.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
Be provided with a lot of banks in the boiler of current, because the fluid high temperature in the bank of tubes, take place high temperature to explode the pipe easily, in order to protect the bank of tubes, generally can set up outer casing and guard ring in the outside of bank of tubes, outer casing and guard ring are circular-arc, carry out the butt welding respectively with the both sides of outer casing and guard ring to make outer casing and guard ring cover on the bank of tubes, thereby avoid taking place the condition of high temperature explosion pipe.
The above prior art solutions have the following drawbacks: under high temperature environment, the welded structure between outer casing and the retaining ring is not stable enough, and the outer casing drops from the retaining ring easily to lose the guard action to the bank of tubes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bank of tubes outer casing welded structure of boiler, it has the joint strength between improvement outer casing and the retaining ring to improve the effect of outer casing installation stability.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a bank of tubes outer casing welded structure of boiler, is including setting up outer casing and the retaining ring on the bank of tubes, all is provided with the joint subassembly between the both sides of outer casing and the retaining ring, and the joint subassembly is used for carrying out the joint with outer casing and retaining ring, and welded fastening between outer casing and the retaining ring.
Through adopting above-mentioned technical scheme, set up the joint subassembly between outer backplate and guard ring, make outer backplate and snap ring joint, then carry out welded fastening with outer backplate and fixture block, thereby very big improvement the joint strength between outer backplate and the guard ring, even if the welded junction between outer backplate and the guard ring takes place to separate under high temperature environment, also can make outer backplate and guard ring joint, improved the stability of outer backplate installation, thereby avoid the outer backplate to drop from the guard ring, play the guard action to the bank of tubes.
The present invention may be further configured in a preferred embodiment as: the clamping assembly comprises clamping grooves and clamping pieces, the clamping grooves are formed in two sides of the outer guard plate, the clamping pieces are fixedly arranged at two ends of the guard ring, and the clamping pieces are located in the clamping grooves and clamped with the clamping grooves.
Through adopting above-mentioned technical scheme, the card inserts in the draw-in groove to with the draw-in groove joint, thereby fix the retaining ring on the outer casing, realize the joint of outer casing and retaining ring, make the outer casing and be connected more stably between the retaining ring.
The present invention may be further configured in a preferred embodiment as: and a fastening component is arranged between the clamping piece and the outer guard plate.
Through adopting above-mentioned technical scheme, set up fastening components between card and outer casing, can further strengthen the joint strength between card and the outer casing, make fixing on the protective ring that the outer casing can be more stable, further prevent that the outer casing from dropping from the protective ring to play the guard action to the bank of tubes.
The present invention may be further configured in a preferred embodiment as: the fastening assembly comprises a first fixing piece, a second fixing piece, a bolt and a nut, the first fixing piece and the second fixing piece are fixedly arranged on the clamping piece and the outer protecting plate respectively, and the bolt penetrates through the first fixing piece and the second fixing piece and is in threaded connection with the nut.
Through adopting above-mentioned technical scheme, the bolt pass first stationary blade and second stationary blade and with nut threaded connection, fix first stationary blade and second stationary blade, realize fixing between card and the outer casing, prevent that the card from deviating from the draw-in groove, strengthened the stability of outer casing installation.
The present invention may be further configured in a preferred embodiment as: and the inner walls of the outer guard plate and the guard ring are both fixedly provided with high temperature resistant layers.
Through adopting above-mentioned technical scheme, the inner wall of backplate and retaining ring all sets up resistant high temperature layer outside, can play the guard action to the welding seam between backplate and the retaining ring, avoids the structural strength of welding seam to receive the influence under high temperature environment to improve the joint strength between outer backplate and the retaining ring once more, effectively prevent that the outer casing from dropping from the retaining ring.
The present invention may be further configured in a preferred embodiment as: the card is welded and fixed with the side wall of the clamping groove.
Through adopting above-mentioned technical scheme, the card can further prevent that the card from deviating from in the draw-in groove with the inner wall welded fastening of draw-in groove, has improved the joint strength of retaining ring with the outer casing, has strengthened the stability of outer casing installation.
The present invention may be further configured in a preferred embodiment as: the clamping groove and the card are in an inverted L shape, and the width of the vertical section of the clamping groove is not smaller than that of the card.
Through adopting above-mentioned technical scheme, insert the draw-in groove with the card from the vertical section of draw-in groove in, then make the card slide to the one side that is close to the draw-in groove horizontal segment in the vertical section of draw-in groove to make the horizontal segment of card insert in the horizontal segment of draw-in groove, thereby realize the joint of card and draw-in groove.
The present invention may be further configured in a preferred embodiment as: the limiting piece is welded in the clamping groove, and the limiting piece and the outer guard plate are located on the same circumferential surface and are welded and fixed with the card.
Through adopting above-mentioned technical scheme, set up spacing piece in the draw-in groove, after card and draw-in groove joint, insert spacing piece in the draw-in groove, make spacing piece and card butt, and fill up whole draw-in groove with the card, spacing piece and card, the side of draw-in groove welds again, thereby play limiting displacement to the card, avoid the card to slide in the draw-in groove, prevent that the card from deviating from in the draw-in groove, very big improvement the joint stability of guard ring and outer casing, make the mounting structure of outer casing and guard ring more stable.
To sum up, the utility model discloses a beneficial technological effect does:
1. a clamping component is arranged between the outer protective plate and the protective ring, so that the outer protective plate is clamped with the clamping ring, and then the outer protective plate and the clamping block are welded and fixed, so that the connecting strength between the outer protective plate and the protective ring is greatly improved, the mounting stability of the outer protective plate is improved, the outer protective plate is prevented from falling off the protective ring, and the protective effect on the pipe arrangement is achieved;
2. the fastening assembly is arranged between the clamping piece and the outer guard plate, so that the connecting strength between the clamping piece and the outer guard plate can be further enhanced, the outer guard plate can be more stably fixed on the protective ring, and the outer guard plate is further prevented from falling off from the protective ring, so that the protective effect on the pipe arrangement is achieved;
3. the high-temperature-resistant layer is arranged, so that the welding line between the outer protective plate and the protective ring can be protected, the structural strength of the welding line is prevented from being influenced in a high-temperature environment, the connecting strength between the outer protective plate and the protective ring is improved again, and the outer protective plate is effectively prevented from falling off the protective ring;
4. set up spacing piece in the draw-in groove, play limiting displacement to the card, avoid the card to slide in the draw-in groove, prevent that the card from deviating from in the draw-in groove, very big improvement the joint stability of guard ring and outer casing, make the mounting structure of outer casing and guard ring more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
figure 2 is an exploded view of the clamping assembly and the fastening assembly intended to be highlighted.
In the figure, 1, an outer guard plate; 2. protecting the ring; 3. a clamping assembly; 31. a card slot; 311. a limiting sheet; 32. a card; 4. a fastening assembly; 41. a first fixing sheet; 42. a second fixing sheet; 43. a bolt; 44. a nut; 5. a high temperature resistant layer; 6. and (4) arranging the pipes.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a welded structure of an outer guard plate 1 of a tube bank 6 of a boiler comprises the outer guard plate 1 and a guard ring 2 which are arranged on the tube bank 6, clamping components 3 are arranged between two sides of the outer guard plate 1 and the guard ring 2, and the outer guard plate 1 and the guard ring 2 are welded and fixed.
Referring to fig. 1, the outer guard plate 1 and the guard ring 2 are both semi-cylindrical, the outer guard plate 1 and the guard ring 2 are the same in thickness, the outer guard plate 1 and the guard ring 2 are located on the same circumference and form a circular ring shape to be sleeved on the tube bank 6, the length direction of the outer guard plate 1 is along the axis direction, the width of the guard ring 2 is along the axis direction, the inner walls of the outer guard plate 1 and the guard ring 2 are both fixedly provided with a high temperature resistant layer 5, and the inner wall of the high temperature resistant layer 5 is abutted to the outer wall of the tube bank 6.
The outer wall butt of high temperature resistant layer 5 and bank of tubes 6 can keep apart between 6 banks of tubes and outer casing 1, the guard ring 2 of high temperature, avoids outer casing 1 and guard ring 2 to be in under the high temperature environment for a long time and influence the welding seam structure between outer casing 1 and the guard ring 2, plays the guard action to outer casing 1 and guard ring 2, effectively prevents that outer casing 1 from dropping from guard ring 2.
Referring to fig. 2, the clamping assembly 3 includes a clamping groove 31 and a clamping piece 32, both the clamping groove 31 and the clamping piece 32 are in an inverted L shape, the clamping groove 31 penetrates through the thickness of the outer protection plate 1, one end, away from the horizontal section, of the vertical section of the clamping groove 31 penetrates through the side surface of the outer protection plate 1, the width of the vertical section of the clamping groove 31 is equal to the width of the clamping piece 32, one end, away from the horizontal section, of the vertical section of the clamping piece 32 is fixedly connected with two ends of the guard ring 2, the clamping piece 32 and the guard ring 2 are located on the same circumferential surface and are the same as the thickness of the guard ring 2, the horizontal section of the clamping piece is the same as the horizontal section of the clamping groove 31 in size, the clamping; one side that its horizontal segment was kept away from to the vertical section of card 32 is provided with spacing piece 311, and spacing piece 311 is located draw-in groove 31, and spacing piece 311 is located same periphery with outer casing 1, and the thickness of spacing piece 311 is the same with the thickness of outer casing 1, and one side and the card 32 butt of spacing piece 311, opposite side and the side butt of draw-in groove 31, spacing piece 311 and card 32 welded fastening to with the lateral wall welded fastening of draw-in groove 31.
Insert the draw-in groove 31 with card 32 along the vertical section of draw-in groove 31 in, then make card 32 slide in draw-in groove 31 to the one side that is close to the draw-in groove 31 horizontal segment, make card 32 and draw-in groove 31 joint, and weld the side of card 32 and draw-in groove 31, then insert spacing piece 311 in the draw-in groove 31, and weld spacing piece 311 and card 32, the side of draw-in groove 31, thereby the joint strength between outer casing 1 and the retaining ring 2 has been improved, make the installation between outer casing 1 and the retaining ring 2 more stable.
Referring to fig. 2, a fastening assembly 4 is disposed between the card 32 and the outer shield 1, the fastening assembly 4 includes a first fixing plate 41, a second fixing plate 42, a bolt 43 and a nut 44, the first fixing plate 41 is disposed on the outer side of the card 32, the first fixing plate 41 is disposed perpendicular to the card 32 and is fixedly connected to the card 32, the second fixing plate 42 is disposed on the outer side of the outer shield 1, the second fixing plate 42 is disposed perpendicular to the outer shield 1 and is fixedly connected to the outer shield 1, the second fixing plate 42 abuts against the side surface of the first fixing plate 41, and the bolt 43 passes through the first fixing plate 41 and the second fixing plate 42 and is threadedly connected to the nut 44.
After card 32 and draw-in groove 31 joint, first stationary blade 41 and second stationary blade 42 butt, then pass first stationary blade 41 and second stationary blade 42 with bolt 43 and with nut 44 threaded connection to the joint strength between grommet 2 and the outer casing 1 has further been improved, has strengthened the stability of outer casing 1 installation.
The implementation principle of the embodiment is as follows: during the installation, with outer casing 1 and grommet 2 cover on bank of tubes 6, then insert the draw-in groove 31 along the vertical section of draw-in groove 31 with card 32 in, then make card 32 slide in draw-in groove 31 to the one side that is close to the draw-in groove 31 horizontal segment, make card 32 and draw-in groove 31 joint, first stationary blade 41 and second stationary blade 42 butt this moment, then pass first stationary blade 41 and second stationary blade 42 with bolt 43 and with nut 44 threaded connection, weld the side of card 32 and draw-in groove 31 again, then insert spacing piece 311 in the draw-in groove 31, and with spacing piece 311 and card 32, the side of draw-in groove 31 welds, thereby the joint strength between outer casing 1 and grommet 2 has been improved, make the installation between outer casing 1 and the grommet 2 more stable.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a bank of tubes (6) outer casing (1) welded structure of boiler, is including outer casing (1) and retaining ring (2) of setting on bank of tubes (6), its characterized in that: all be provided with joint subassembly (3) between the both sides of outer casing (1) and grommet (2), joint subassembly (3) are used for carrying out the joint with outer casing (1) and grommet (2), welded fastening between outer casing (1) and grommet (2).
2. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 1, wherein: the clamping component (3) comprises clamping grooves (31) and cards (32), the clamping grooves (31) are formed in two sides of the outer protection plate (1), the cards (32) are fixedly arranged at two ends of the protection ring (2), and the cards (32) are located in the clamping grooves (31) and are clamped with the clamping grooves (31).
3. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 2, wherein: and a fastening component (4) is arranged between the clamping piece (32) and the outer guard plate (1).
4. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 3, wherein: fastening components (4) include first stationary blade (41), second stationary blade (42), bolt (43) and nut (44), and first stationary blade (41) and second stationary blade (42) are fixed the setting respectively on card (32) and outer casing (1), and bolt (43) pass first stationary blade (41) and second stationary blade (42) and with nut (44) threaded connection.
5. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 1, wherein: the inner walls of the outer guard plate (1) and the guard ring (2) are both fixedly provided with a high temperature resistant layer (5).
6. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 2, wherein: the card (32) is fixed with the side wall of the clamping groove (31) in a welding mode.
7. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 2, wherein: the card slot (31) and the card (32) are both in an inverted L shape, and the width of the vertical section of the card slot (31) is not smaller than that of the card (32).
8. The welded structure of the outer shroud (1) of the tube bank (6) of the boiler according to claim 2, wherein: spacing piece (311) has been welded in draw-in groove (31), and spacing piece (311) and outer casing (1) are located same periphery, and with card (32) welded fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021041083.6U CN213003460U (en) | 2020-06-08 | 2020-06-08 | Welding structure for outer protecting plate of tube bank of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021041083.6U CN213003460U (en) | 2020-06-08 | 2020-06-08 | Welding structure for outer protecting plate of tube bank of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213003460U true CN213003460U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021041083.6U Active CN213003460U (en) | 2020-06-08 | 2020-06-08 | Welding structure for outer protecting plate of tube bank of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213003460U (en) |
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2020
- 2020-06-08 CN CN202021041083.6U patent/CN213003460U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300000 No. 398, west side of Tanghan Road, Beitang street, Binhai New Area, Tianjin Patentee after: Tianjin Guoneng Binhai Thermal Power Co.,Ltd. Address before: No.1-18, Taishan Road, Xinyu home community, Beitang, Tanggu, Binhai New Area, Tianjin, 300450 Patentee before: Tianjin Guodian Tianjin Binhai Thermal Power Co.,Ltd. |