CN105526455A - Novel metal compensator for circulating fluidized bed boiler - Google Patents
Novel metal compensator for circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN105526455A CN105526455A CN201610010792.XA CN201610010792A CN105526455A CN 105526455 A CN105526455 A CN 105526455A CN 201610010792 A CN201610010792 A CN 201610010792A CN 105526455 A CN105526455 A CN 105526455A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- inner connecting
- wall
- bellow
- connection pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 5
- 230000008676 import Effects 0.000 claims description 37
- 230000002787 reinforcement Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/027—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with external reinforcement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a novel metal compensator for a circulating fluidized bed boiler. The novel metal compensator comprises an inlet inner connection pipe, an outlet inner connection pipe, an outer connection pipe, a corrugated pipe and an annular sleeve, wherein one end of the annular sleeve is fixedly connected to the end face of an annular flange on the outer wall of the outlet inner connection pipe, the other end of the annular sleeve is combined to the outer wall of the end part of the inlet inner connection pipe in a clearance sleeving mode, a closed cavity is formed by the annular sleeve, the corrugated pipe, the outer connection pipe and the annular flange, and the cavity is filled with fiber mats; radial sealing structures are arranged between the inner wall of the annular sleeve of a corrugated pipe compensation structure and the outer wall of the end part of the inlet inner connection pipe. The novel metal compensator is further characterized in that multiple reinforced rib plates are arranged between the end face, back on to the corrugated pipe compensation structure, of an annular flange on the outer wall of the inlet inner connection pipe and the outer wall of the inlet inner connection pipe as well as between the end face, back on to the corrugated pipe compensation structure, of the annular flange on the outer wall of the outlet inner connection pipe and the outer wall of the outlet inner connection pipe; reinforced rings are arranged inside troughs of the corrugated pipe; the corrugated pipe is formed by multiple layers of sheets in a pressed mode. The novel metal compensator is good in thermal insulation effect, high in structural strength and long in service life.
Description
Technical field
The present invention relates to a kind of pipe safety device, specifically, the present invention relates to a kind of circulating fluidized bed boiler metal compensator.
Background technique
The displacement produced in the alignment error of metal compensator bucking-out system and running can be adopted in the pipeline configuration of current circulating fluidized bed boiler.The medium passed through in metal compensator from the pipeline configuration of circulating fluidized bed boiler is high-temperature flue gas, therefore, requires that metal compensator has good resistance to high temperature and sealing requirements is higher.Fiberfill fibers felt in the cavity of prior art metal compensator between bellows and inner connecting tube, although this structure can play certain heat-blocking action, but there is certain defect: fibrofelt easily comes off in the cavity between bellows and inner connecting tube, cause the loose of thermal-protective material in cavity, high temperature media easily pours in node, make the resistance to high temperature of metal compensator poor, compensator is shorter for working life.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, propose a kind of fibrofelt that can solve and easily come off in the cavity between bellows and inner connecting tube, affect the New Cycle Fluidized Bed Boiler metal compensator of compensator heat insulation and preservation effect.
The present invention is achieved through the following technical solutions technical goal.
New Cycle Fluidized Bed Boiler metal compensator, comprises import inner connecting tube, outlet inner connecting tube, externally connected pipe, bellows, ring set; Described import inner connecting tube, the axial preset clearance arranged in parallel of outlet inner connecting tube; Described import inner connecting tube, outlet inner connecting tube inwall are provided with resistant to elevated temperatures castable; Described import inner connecting tube, outlet inner connecting tube outer wall are fixedly connected with relative ring flange respectively; Be connected with bellows by externally connected pipe between described relative ring flange, form bellow-type expansion structure; One end of described ring set is fixedly connected on the end face of ring flange on outlet inner connecting tube outer wall, and the other end gap is linked in import inner connecting tube end outer wall, and forms closed cavity with bellows, externally connected pipe, ring flange, fiberfill fibers felt in cavity; Its improvements are: be all provided with radial seal structure between the ring set inwall of described bellow-type expansion structure and import inner connecting tube end outer wall.
In said structure, it is the annulus of U-shaped, the seal ring be arranged in annulus that described radial seal structure comprises the cross section be fixedly connected on the outer wall of import inner connecting tube end, and seal ring and ring set inwall closely cooperate.
In said structure, on described import inner connecting tube outer wall ring flange dorsad between the end face of bellow-type expansion structure and import inner connecting tube outer wall, export ring flange on inner connecting tube outer wall and be respectively equipped with some reinforcement gussets between the end face of bellow-type expansion structure and outlet inner connecting tube outer wall dorsad; On described import inner connecting tube outer wall, end face and the import inner connecting tube outer wall of bellow-type expansion structure, the end face that exports the bellow-type expansion structure dorsad of ring flange on inner connecting tube outer wall are fixedly connected with reinforcement gusset with outlet inner connecting tube outer wall ring flange respectively dorsad.
In said structure, outside described reinforcement gusset, be not less than externally connected pipe exterior radius to the size L of bellow-type expansion structure centre axis.
In said structure, in described bellows trough, be provided with stiffening ring.
In said structure, described bellows is that multi-layered sheet is compressing.
The present invention compared with prior art, has following good effect:
1. be all provided with radial seal structure between the ring set inwall of bellow-type expansion structure and import inner connecting tube end outer wall, the closed cavity that ring set and bellows, externally connected pipe, ring flange are formed is in air-tight state, fibrofelt can not come off in closed cavity, guarantees compensator heat insulation and preservation effect.
2. radial seal structure comprises the cross section be fixedly connected on the outer wall of import inner connecting tube end is the annulus of U-shaped, the seal ring be arranged in annulus, and seal ring and ring set inwall closely cooperate.In this sealing configuration, seal ring is changed convenient.
3. on import inner connecting tube outer wall ring flange dorsad between the end face of bellow-type expansion structure and import inner connecting tube outer wall, export ring flange on inner connecting tube outer wall and be respectively equipped with some reinforcement gussets between the end face of bellow-type expansion structure and outlet inner connecting tube outer wall dorsad, significantly improve structural rigidity of the present invention, intensity.
4. the size L strengthened to bellow-type expansion structure centre axis outside gusset is not less than externally connected pipe exterior radius, improves structural rigidity of the present invention, intensity further.
5. be provided with stiffening ring in bellows trough, the structural strength of bellows can be significantly improved.
6. bellows is that multi-layered sheet is compressing, further increases the intensity of bellows.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is I enlarged schematic partial view in Fig. 1.
Embodiment
Below with reference to the accompanying drawings and the invention will be further described in conjunction with the embodiments.
New Cycle Fluidized Bed Boiler metal compensator shown in the drawings, comprise import inner connecting tube 1, outlet inner connecting tube 2, externally connected pipe 5, bellows 11, ring set 9, in the present embodiment, bellows 11 is that multi-layered sheet is compressing; Import inner connecting tube 1, the axial preset clearance arranged in parallel of outlet inner connecting tube 2; Import inner connecting tube 1, outlet inner connecting tube 2 inwall are provided with resistant to elevated temperatures castable; Import inner connecting tube 1, outlet inner connecting tube 2 outer wall are fixedly connected with relative ring flange 3 respectively; Be connected with bellows 11 by externally connected pipe 5 between relative ring flange 3, form bellow-type expansion structure; One end of ring set 9 is fixedly connected on the end face of ring flange 3 on outlet inner connecting tube 2 outer wall, and the other end gap is linked in import inner connecting tube 1 end outer wall, and forms closed cavity with bellows 11, externally connected pipe 5, ring flange 3, fiberfill fibers felt 14 in cavity; Radial seal structure 7 is all provided with between ring set 9 inwall of bellow-type expansion structure and import inner connecting tube 1 end outer wall, radial seal structure 7 comprises the annulus 7.1 that the cross section be fixedly connected on the outer wall of import inner connecting tube 1 end is U-shaped, the seal ring 7.2 be arranged in annulus 7.1, and seal ring 7.2 and ring set 9 inwall closely cooperate.
On import inner connecting tube 1 outer wall ring flange 3 dorsad between the end face of bellow-type expansion structure and import inner connecting tube 1 outer wall, export ring flange 3 on inner connecting tube 2 outer wall and be respectively equipped with some reinforcement gussets 10 between the end face of bellow-type expansion structure and outlet inner connecting tube 2 outer wall dorsad; On import inner connecting tube 1 outer wall, end face and import inner connecting tube 1 outer wall of bellow-type expansion structure, the end face that exports the bellow-type expansion structure dorsad of ring flange 3 on inner connecting tube 2 outer wall are fixedly connected with reinforcement gusset 10 with outlet inner connecting tube 2 outer wall ring flange 3 respectively dorsad.The size L strengthened to bellow-type expansion structure centre axis outside gusset 10 is not less than externally connected pipe 5 exterior radius, and in the present embodiment, the size L strengthened to bellow-type expansion structure centre axis outside gusset 10 is greater than externally connected pipe 5 exterior radius.
Stiffening ring 4 is provided with in bellows 11 trough.
Claims (6)
1. a New Cycle Fluidized Bed Boiler metal compensator, comprises import inner connecting tube (1), outlet inner connecting tube (2), externally connected pipe (5), bellows (11), ring set (9); Described import inner connecting tube (1), outlet inner connecting tube (2) axial preset clearance arranged in parallel; Described import inner connecting tube (1), outlet inner connecting tube (2) inwall are provided with resistant to elevated temperatures castable; Described import inner connecting tube (1), outlet inner connecting tube (2) outer wall are fixedly connected with relative ring flange (3) respectively; Be connected with bellows (11) by externally connected pipe (5) between described relative ring flange (3), form bellow-type expansion structure; One end of described ring set (9) is fixedly connected on the end face of ring flange (3) on outlet inner connecting tube (2) outer wall, the other end gap is linked in import inner connecting tube (1) end outer wall, and form closed cavity with bellows (11), externally connected pipe (5), ring flange (3), fiberfill fibers felt (14) in cavity; It is characterized in that: between ring set (9) inwall of described bellow-type expansion structure and import inner connecting tube (1) end outer wall, be all provided with radial seal structure (7).
2. New Cycle Fluidized Bed Boiler metal compensator according to claim 1, it is characterized in that: described radial seal structure (7) comprises the annulus (7.1) that the cross section be fixedly connected on the outer wall of import inner connecting tube (1) end is U-shaped, the seal ring (7.2) be arranged in annulus (7.1), seal ring (7.2) and ring set (9) inwall closely cooperate.
3. New Cycle Fluidized Bed Boiler metal compensator according to claim 1 and 2, is characterized in that: on described import inner connecting tube (1) outer wall ring flange (3) dorsad between the end face of bellow-type expansion structure and import inner connecting tube (1) outer wall, export ring flange (3) on inner connecting tube (2) outer wall and be respectively equipped with some reinforcement gussets (10) between the end face of bellow-type expansion structure and outlet inner connecting tube (2) outer wall dorsad; On described import inner connecting tube (1) outer wall, end face and import inner connecting tube (1) outer wall of bellow-type expansion structure, the end face that exports the bellow-type expansion structure dorsad of ring flange (3) on inner connecting tube (2) outer wall are fixedly connected with reinforcement gusset (10) with outlet inner connecting tube (2) outer wall ring flange (3) respectively dorsad.
4. New Cycle Fluidized Bed Boiler metal compensator according to claim 3, is characterized in that: described reinforcement gusset (10) outside is not less than externally connected pipe (5) exterior radius to the size L of bellow-type expansion structure centre axis.
5. New Cycle Fluidized Bed Boiler metal compensator according to claim 4, is characterized in that: be provided with stiffening ring (4) in described bellows (11) trough.
6. New Cycle Fluidized Bed Boiler metal compensator according to claim 5, is characterized in that: described bellows (11) for multi-layered sheet compressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010792.XA CN105526455A (en) | 2016-01-09 | 2016-01-09 | Novel metal compensator for circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010792.XA CN105526455A (en) | 2016-01-09 | 2016-01-09 | Novel metal compensator for circulating fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105526455A true CN105526455A (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610010792.XA Pending CN105526455A (en) | 2016-01-09 | 2016-01-09 | Novel metal compensator for circulating fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526455A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767796Y (en) * | 2005-02-04 | 2006-03-29 | 刘运章 | Non-metal bellows expansion joint for airway |
| CN103542221A (en) * | 2013-10-07 | 2014-01-29 | 江苏宝金来管道成套设备有限公司 | Metal compensator for high temperature resistant circulating fluid bed boiler |
| CN103629469A (en) * | 2013-12-06 | 2014-03-12 | 江苏宝金来管道成套设备有限公司 | Shock-resistant and high-temperature resistant compensator special for air cooling system |
| CN204628924U (en) * | 2015-04-04 | 2015-09-09 | 江苏宝恒管件有限公司 | A kind of New bush compensator |
| CN205504316U (en) * | 2016-01-09 | 2016-08-24 | 江苏晨光波纹管有限公司 | Novel circulation vulcanization bed metal compensator for boiler |
-
2016
- 2016-01-09 CN CN201610010792.XA patent/CN105526455A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767796Y (en) * | 2005-02-04 | 2006-03-29 | 刘运章 | Non-metal bellows expansion joint for airway |
| CN103542221A (en) * | 2013-10-07 | 2014-01-29 | 江苏宝金来管道成套设备有限公司 | Metal compensator for high temperature resistant circulating fluid bed boiler |
| CN103629469A (en) * | 2013-12-06 | 2014-03-12 | 江苏宝金来管道成套设备有限公司 | Shock-resistant and high-temperature resistant compensator special for air cooling system |
| CN204628924U (en) * | 2015-04-04 | 2015-09-09 | 江苏宝恒管件有限公司 | A kind of New bush compensator |
| CN205504316U (en) * | 2016-01-09 | 2016-08-24 | 江苏晨光波纹管有限公司 | Novel circulation vulcanization bed metal compensator for boiler |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |