CN218031845U - Boiler through-wall pipe sealing structure with heat insulation broken bridge - Google Patents
Boiler through-wall pipe sealing structure with heat insulation broken bridge Download PDFInfo
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- CN218031845U CN218031845U CN202222139598.5U CN202222139598U CN218031845U CN 218031845 U CN218031845 U CN 218031845U CN 202222139598 U CN202222139598 U CN 202222139598U CN 218031845 U CN218031845 U CN 218031845U
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Abstract
The utility model discloses a boiler through-wall pipe seal structure of thermal-insulated bridge cut-off in area, including brickwork and through-wall pipe body, the through-hole has been seted up on the brickwork, through-wall pipe body runs through the through-hole and extends to in the furnace of boiler, the sealing washer has been cup jointed on the lateral wall of through-wall pipe body, the fixed adapter sleeve that has cup jointed on the lateral wall of sealing washer, adapter sleeve fixed connection is on the lateral wall of brickwork, fixedly connected with sleeve flange on the adapter sleeve. The utility model discloses, when the wall pipe body is heated the inflation, the protection is filled up and is produced deformation according to the inflation of wall pipe body, and sets up through the cooperation between semicircle fixed plate, arc cardboard, draw-in groove, telescopic link, spring and the protection pad for the inflation of wall pipe body is unrestricted, has avoided the wall pipe body to receive the damage because of the inflation receives the hindrance, has reduced the heat-conduction heat dissipation of high temperature flue gas in the brickwork, has improved the sealed and thermal insulation performance of wall pipe body.
Description
Technical Field
The utility model relates to a boiler structure technical field especially relates to take boiler wall pipe seal structure of thermal-insulated bridge cut-off.
Background
Waste heat boiler wall tube is the essential partly of boiler design, because there is a large amount of high temperature flue gas in the waste heat boiler, the stove is heated the face pipeline and can take place to stretch out and draw back because cold and hot state changes, lead to high temperature tube can stretch out the stove wall backplate in the former stove, current outer wall tube outside of stove lacks sealed and insulation construction can not effectively satisfy the pipeline high frequency and stretches out and draw back, and in case inside metal expansion joint bellows damages, high temperature flue gas just can take place to reveal and causes the excess temperature, seriously threatens outer steel frame structural strength of stove, influence unit safety and stability.
In order to solve the problem, utility model No. CN 212775996U's utility model relates to a sealed thermal-insulated structure of exhaust-heat boiler wall pipe belongs to the boiler field, including the brickwork of boiler and wall pipe the application have can strengthen wall pipe department leakproofness can satisfy the advantage of unit peak regulation operating mode again.
The hoop piece in the above-mentioned heat boiler wall tube seals thermal-insulated structure is through the bolt fastening, but the wall tube receives high temperature can expand, and the hoop piece can't follow wall tube and lead to the expansion contraction for the inflation of wall tube receives the hindrance, thereby makes the wall tube receive the damage, has reduced the life of wall tube.
In order to solve the problems, a boiler through-wall pipe sealing structure with a heat insulation broken bridge is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art "the staple bolt piece among the sealed thermal-insulated structure of above-mentioned hot boiler wall-penetrating pipe is through the bolt fastening, but the wall-penetrating pipe receives high temperature can the inflation, the staple bolt piece can't follow wall-penetrating pipe one leads to the expansion contraction, make the inflation of wall-penetrating pipe receive the hindrance, thereby make the wall-penetrating pipe receive the damage, the defect of the life of wall-penetrating pipe has been reduced", and solve among the prior art flue gas in the furnace wall through the radiating defect of a large amount of heat conduction of seal structure, thereby the boiler wall-penetrating pipe seal structure of thermal-insulated bridge cut-off in area is proposed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the boiler through-wall pipe sealing structure comprises a boiler wall and a through-wall pipe body, wherein a through hole is formed in the boiler wall, the through-wall pipe body penetrates through the through hole and extends into a hearth of a boiler, a sealing ring is sleeved on the side wall of the through-wall pipe body, a connecting sleeve is fixedly connected onto the side wall of the sealing ring in a sleeved mode, the connecting sleeve is fixedly connected onto the outer side wall of the boiler wall, a sleeve flange is fixedly connected onto the connecting sleeve, a heat insulation bridge-breaking liner is arranged between the sleeve flange and the connecting sleeve, a metal expansion joint is arranged between the through-wall pipe body and the sleeve flange, a protection pad is sleeved on the through-wall pipe body, semicircular fixing plates are symmetrically and fixedly connected onto the side wall of the protection pad, a plurality of telescopic rods are fixedly connected onto the side wall of each semicircular fixing plate, the telescopic rods correspond to the other ends of the telescopic rods, springs are sleeved onto the telescopic rods, the telescopic rods are evenly, the outer side walls of the semicircular fixing plates are fixed onto the inner side wall of the semicircular fixing plates, and the semicircular fixing plates are evenly, and clamping grooves matched with arc-shaped clamping plates are formed in the other ends of the semicircular fixing plates.
Preferably, the outer side surface of the through-wall pipe body is wound with high silica heat insulation cloth, and the high silica heat insulation cloth extends into the hearth of the boiler along with the through-wall pipe body.
Preferably, be connected with non-metallic skin on the lateral wall of adapter sleeve, non-metallic skin's the other end is connected on the clamp, fixedly connected with tightens up the ribbon on clamp and the adapter sleeve.
Preferably, the sealing ring and the opposite side of the protective pad are fixedly connected with a heat insulation sleeve together, and the heat insulation sleeve is sleeved on the wall penetrating pipe body.
Preferably, the heat-insulating sleeve is made of a flexible heat-insulating material, and the sealing ring and the protective pad are made of elastic high-temperature-resistant materials.
Preferably, two equal fixedly connected with fixed block on the lateral wall of clamp, corresponding two pass through the bolt fastening between the fixed block.
Preferably, the sleeve flange is connected with the connecting sleeve through a heat insulation bridge-cut liner, and the wall-through pipe body is connected with the sleeve flange through a metal expansion joint.
Compared with the prior art, the beneficial effects of the utility model are that:
when the wall pipe body is heated the thermal expansion, the protection is filled up and is produced deformation according to the inflation of wall pipe body, and is filled up the cooperation setting between through semicircle fixed plate, arc cardboard, draw-in groove, telescopic link, spring and protection for the inflation of wall pipe body is unrestricted, has avoided the wall pipe body to receive the damage because of the inflation receives the hindrance, has reduced the heat-conduction heat dissipation of high temperature flue gas in the brickwork, has improved the sealed and thermal insulation performance of wall pipe body.
Drawings
Fig. 1 is a front cross-sectional view of a boiler through-wall pipe sealing structure with a heat insulation bridge cut-off provided by the utility model;
FIG. 2 is a side view of the sealing structure of the boiler through-wall pipe with the thermal insulation bridge cut-off provided by the utility model;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1 brickwork, 2 wall pipe bodies, 3 high silica thermal-insulated cloth, 4 sealing washers, 5 non-metallic skins, 6 insulation covers, 7 protection pads, 8 semicircle fixed plates, 9 clamps, 10 telescopic links, 11 springs, 12 arc-shaped clamping plates, 13 clamping grooves, 14 tightening bands, 15 connecting sleeves, 16 thermal-insulated bridge-cut-off liners, 17 sleeve flanges and 18 metal expansion joints.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a boiler wall tube sealing structure with a thermal insulation bridge cut-off, a through hole is provided on a furnace wall 1, a wall tube body 2 penetrates through the through hole and extends into a furnace chamber of a boiler, a sealing ring 4 is sleeved on a side wall of the wall tube body 2, a connecting sleeve 15 is fixedly sleeved on a side wall of the sealing ring 4, the connecting sleeve 15 is fixedly connected on an outer side wall of the furnace wall 1, a sleeve flange 17 is fixedly connected on the connecting sleeve 15, a thermal insulation bridge cut-off gasket 16 is arranged between the sleeve flange 17 and the connecting sleeve 15, a metal expansion joint 18 is arranged between the wall tube body 2 and the sleeve flange 17, a protective pad 7 is sleeved on the wall tube body 2, semicircular fixing plates 8 are symmetrically and fixedly connected on side walls of the protective pad 7, a plurality of telescopic rods 10 are fixedly connected on side walls of the two semicircular fixing plates 8, and a hoop 9 is fixedly connected on the other ends of the plurality of corresponding telescopic rods 10, all the cover is equipped with spring 11 on every telescopic link 10, every spring 11's both ends are equallyd divide and are do not fixed on clamp 9 inside wall and on semicircle fixed plate 8's lateral wall, the equal fixed connection of one end of two semicircle fixed plate 8 looks mistake is at draw-in groove 13, all seted up in two semicircle fixed plate 8's the other end with arc cardboard 12 assorted draw-in groove 13, when through-wall pipe body 2 is heated the inflation, protection pad 7 produces deformation according to through-wall pipe body 2's inflation, and pass through semicircle fixed plate 8, arc cardboard 12, draw-in groove 13, telescopic link 10, spring 11 and protection pad 7 between the cooperation setting, make through-wall pipe body 2's inflation unrestricted, avoided through-wall pipe body 2 to receive the hindrance and receive the damage because of the inflation, through-wall pipe body 2's use has been improved.
Wherein, the outside surface winding of wall pipe body 2 has high silica heat insulating cloth 3, and high silica heat insulating cloth 3 stretches into the furnace of boiler along with wall pipe body 2 inside, and high silica heat insulating cloth 3 can prevent that insulation cover 6, sealing washer 4 and protection pad 7 from receiving high temperature and damaging.
Wherein, be connected with non-metallic skin 5 on the lateral wall of adapter sleeve 15, non-metallic skin 5's the other end is connected on clamp 9, and fixedly connected with tightens up ribbon 14 on clamp 9 and the adapter sleeve 15, and non-metallic skin 5 closely ties up on clamp 9 and adapter sleeve 15 through tightening up ribbon 14.
Wherein, the common fixedly connected with insulation cover 6 in the relative one side of sealing washer 4 and protection pad 7, insulation cover 6 cover is established on wall pipe body 2, and insulation cover 6 can play the heat preservation effect to wall pipe body 2.
Wherein, the insulation cover 6 is flexible insulation material, and sealing washer 4 and protection pad 7 are elasticity refractory material, and flexible insulation material and elasticity refractory material are scalable, and the flexible can twist reverse, and compressible deformation does not lose the performance for insulation cover 6, sealing washer 4 and protection pad 7 produce deformation according to the inflation of wall pipe body 2.
Wherein, equal fixedly connected with fixed block on two clamp 9's the lateral wall, through the bolt fastening between two corresponding fixed blocks, the bolt can be fixed two clamp 9.
Wherein, adopt thermal-insulated bridge cut-off liner 16 to be connected between sleeve flange 17 and the adapter sleeve 15, adopt metal expansion joint 18 to connect between through-wall pipe body 2 and the sleeve flange 17, metal expansion joint 18 has reduced the flue gas and has revealed, thermal-insulated bridge cut-off liner 17 has reduced the heat-conduction heat dissipation of flue gas.
The utility model discloses in, when the thermal expansion of wall pipe body 2, fill up 7 for elasticity high temperature resistant material because of the protection, make the protection fill up 7 and produce deformation according to the inflation of wall pipe body 2, protection fills up 7 and extrudes semicircle fixed plate 8 to the outside after producing deformation, make semicircle fixed plate 8 outwards remove, draw-in groove 13 outwards removes in arc cardboard 12, arc cardboard 12 extrudes spring 11 and compresses telescopic link 10 simultaneously, make the inflation of wall pipe body 2 unrestricted, avoided wall pipe body 2 to receive the damage because of the inflation hinders, reduced the heat-conduction heat dissipation of high temperature flue gas in the brickwork 1, the sealed and thermal insulation performance of wall pipe body 2 has been improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Claims (7)
1. The boiler wall-penetrating pipe sealing structure with the heat-insulating bridge cut-off comprises a furnace wall (1) and a wall-penetrating pipe body (2), and is characterized in that a through hole is formed in the furnace wall (1), the wall-penetrating pipe body (2) penetrates through the through hole and extends into a hearth of a boiler, a sealing ring (4) is sleeved on the side wall of the wall-penetrating pipe body (2), a connecting sleeve (15) is fixedly sleeved on the side wall of the sealing ring (4), the connecting sleeve (15) is fixedly connected onto the outer side wall of the furnace wall (1), a sleeve flange (17) is fixedly connected onto the connecting sleeve (15), a heat-insulating bridge cut-off liner (16) is arranged between the sleeve flange (17) and the connecting sleeve flange (15), a metal expansion joint (18) is arranged between the wall-penetrating pipe body (2) and the sleeve flange (17), a protective pad (7) is sleeved on the wall of the wall-penetrating pipe body (2), semicircular fixing plates (8) are symmetrically and fixedly connected onto the side walls of the protective pad (7), a plurality of semicircular fixing plates (8) are fixedly connected onto the side walls of the semicircular fixing plates (8), a plurality of corresponding semicircular springs are fixedly connected onto the side walls of the semicircular spring clamp clamps (9), and the telescopic rods (11) are respectively connected onto the telescopic rod (11), and the telescopic rod (11) is respectively connected onto the inner side wall of the semicircular spring clamp (9), two equal fixed connection in draw-in groove (13) of semicircle fixed plate (8) staggered one end, two draw-in groove (13) with arc cardboard (12) assorted have all been seted up in the other end of semicircle fixed plate (8).
2. The boiler through-wall tube sealing structure with the thermal insulation bridge cut-off as claimed in claim 1, characterized in that a high silica insulation cloth (3) is wound on the outer side surface of the through-wall tube body (2), and the high silica insulation cloth (3) extends into the hearth of the boiler along with the through-wall tube body (2).
3. The boiler through-wall pipe sealing structure with the thermal insulation bridge cut-off structure as claimed in claim 1, characterized in that a nonmetal skin (5) is connected to the side wall of the connecting sleeve (15), the other end of the nonmetal skin (5) is connected to a hoop (9), and tightening ties (14) are fixedly connected to the hoop (9) and the connecting sleeve (15).
4. The boiler through-wall pipe sealing structure with the thermal insulation bridge cut-off structure as claimed in claim 1, wherein one side of the sealing ring (4) opposite to the protection pad (7) is fixedly connected with a thermal insulation sleeve (6) together, and the thermal insulation sleeve (6) is sleeved on the through-wall pipe body (2).
5. The boiler through-wall pipe sealing structure with the thermal insulation broken bridge according to claim 4, characterized in that the insulation sleeve (6) is made of flexible insulation material, and the sealing ring (4) and the protection pad (7) are made of elastic material.
6. The boiler through-wall pipe sealing structure with the thermal insulation bridge cut-off structure as claimed in claim 1, wherein fixing blocks are fixedly connected to the side walls of the two hoops (9), and the two corresponding fixing blocks are fixed through bolts.
7. The boiler through-wall pipe sealing structure with the thermal insulation bridge cut-off as claimed in claim 1, characterized in that the sleeve flange (17) is connected with the connecting sleeve (15) by a thermal insulation bridge cut-off gasket (16), and the through-wall pipe body (2) is connected with the sleeve flange (17) by a metal expansion joint (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139598.5U CN218031845U (en) | 2022-08-15 | 2022-08-15 | Boiler through-wall pipe sealing structure with heat insulation broken bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222139598.5U CN218031845U (en) | 2022-08-15 | 2022-08-15 | Boiler through-wall pipe sealing structure with heat insulation broken bridge |
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| Publication Number | Publication Date |
|---|---|
| CN218031845U true CN218031845U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222139598.5U Active CN218031845U (en) | 2022-08-15 | 2022-08-15 | Boiler through-wall pipe sealing structure with heat insulation broken bridge |
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| CN (1) | CN218031845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116770462A (en) * | 2023-06-16 | 2023-09-19 | 新创碳谷集团有限公司 | Modularized carbon fiber pre-oxidation furnace |
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2022
- 2022-08-15 CN CN202222139598.5U patent/CN218031845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116770462A (en) * | 2023-06-16 | 2023-09-19 | 新创碳谷集团有限公司 | Modularized carbon fiber pre-oxidation furnace |
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