CN104896247B - The special expansion joint of boiler inclined tube - Google Patents
The special expansion joint of boiler inclined tube Download PDFInfo
- Publication number
- CN104896247B CN104896247B CN201410084471.5A CN201410084471A CN104896247B CN 104896247 B CN104896247 B CN 104896247B CN 201410084471 A CN201410084471 A CN 201410084471A CN 104896247 B CN104896247 B CN 104896247B
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- Prior art keywords
- plate
- sealing
- ring
- adapter
- ring flat
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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
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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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/12—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement
- F16L27/125—Adjustable joints, Joints allowing movement allowing substantial longitudinal adjustment or movement having longitudinal and rotary movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention is related to the special expansion joint of boiler inclined tube, including left adapter and right adapter, left adapter is respectively provided on two sides with left ring flat-plate and left sealing plate, right adapter is respectively provided on two sides with right sealing plate and right ring flat-plate, left ring flat-plate is tightly connected by nonmetal flexible circle band with right ring flat-plate, so that right-left seal plate cooperates and forms sliding sealing surface, sealing ring is provided between right-left seal plate.Left and right ring flat-plate is set to ellipse, and left sealing plate is provided with some screw rods, and screw rod makes sealing ring be combined closely with right sealing plate by spring compression sealing ring.Left and right ring flat-plate of the present invention is provided with elastic otic placode, right-left seal plate is kept spacing stabilization, so that the sealing of expansion joint is more stable, sealing effectiveness is more preferable.The present invention will not wear and tear caused by the reciprocating motion of left and right ring flat-plate meeting is to soft ring band in use, extend the service life of product.Nose balance amount of the present invention is big, takes small volume, is easily installed and safeguards；And sealing effectiveness is more preferable, high temperature resistant, better heat preservation.
Description
Technical field
The present invention relates to pipeline compensator, especially a kind of axial displacement compensation is big, high temperature resistant, and heat insulation effect is preferable
The special expansion joint of boiler inclined tube.
Background technology
Existing boiler is typically necessary in installation process and uses expansion joint for pipeline.Outside boiler tubing and furnace bottom or body of heater
The junction of structural member, is typically due to high temperature or temperature change causes and expands with heat and contract with cold, and boiler furnace sedimentation causes larger
Displacement.At present, the expansion joint for pipeline that existing boiler is used typically has slip-type expansion joint or steel plate ring band compensator.It is telescopic
The requirements of installation space of compensator is higher, and the connecting pipe for boiler furnace is not often applied to；Steel plate ring band compensator makes
During, due to the stretching motion of expansion joint for pipeline, the heat insulation effect of its heat-insulation layer often declines larger.
The content of the invention
It is an object of the invention to provide a kind of sealing effectiveness is more preferable, service life is longer, axial displacement compensates big, resistance to height
Temperature, and the good special expansion joint of boiler inclined tube of heat insulation effect.
The purpose of the present invention is achieved by the following technical solution：
The special expansion joint of boiler inclined tube, including left adapter and right adapter, the left adapter are respectively provided on two sides with left ring flat-plate
With left sealing plate, right adapter is respectively provided on two sides with right sealing plate and right ring flat-plate, and the left ring flat-plate passes through nonmetal flexible circle band
Formed with right ring flat-plate and be tightly connected, while so that left sealing plate is complemented each other to form with right sealing plate can produce in any direction
The sliding sealing surface of displacement, sealing ring is provided between left sealing plate and right sealing plate.
As the preferred technical solution of the present invention, the left adapter, right adapter, left ring flat-plate, right ring flat-plate, left sealing plate, the right side
Sealing plate is set to circular or oval.
Used as the preferred technical solution of the present invention, the outer surface of the left sealing plate is laid with some screw rods, the spiral shell
Sealing ring is pressed on bar the outer surface of left sealing plate by elastomeric element, while making sealing ring tight with the sealing surface of right sealing plate
Close combination.
Used as the preferred technical solution of the present invention, the screw rod is connected by the through hole that sealing ring is provided with left sealing plate
Connect, spring is provided between screw rod and sealing ring.
Used as the preferred technical solution of the present invention, the left ring flat-plate and right ring flat-plate are respectively equipped with and can produce elastic deformation
Left otic placode and auris dextra plate, are connected and fixed between left otic placode and auris dextra plate by pull bar and nut.
As the preferred technical solution of the present invention, it is filled between the nonmetal flexible circle band and left adapter and right adapter
High-temperature-resistant thermal-insulation material.
Used as the preferred technical solution of the present invention, the high-temperature-resistant thermal-insulation material includes alumina silicate fibre.
Used as the preferred technical solution of the present invention, the nonmetal flexible circle band includes fluorine rubber ring band.
Used as the preferred technical solution of the present invention, the sealing ring is ceramic fibre sealing ring.
As the preferred technical solution of the present invention, between the axis of the boiler inclined tube and left adapter or right adapter axis
Angle is less than 90 degree.
The beneficial effects of the invention are as follows：Relative to prior art, left ring flat-plate of the invention and right ring flat-plate are respectively equipped with elasticity
Left otic placode and auris dextra plate, are connected between left otic placode and auris dextra plate by pull bar and nut, make the spacing of right-left seal plate in motion
During keep constant；Simultaneously in the uniform some screw rods of left sealing plate, sealing ring is pressed on left sealing plate by screw rod by spring
Outer surface, and sealing ring is combined closely with the sealing surface of right sealing plate so that the sealing of expansion joint of the present invention is more stable,
Sealing effectiveness is more preferable.
The left adapter of the present invention, right adapter, left ring flat-plate, right ring flat-plate, left sealing plate, right sealing plate are set to circular or ellipse
Shape, will not wear and tear, caused by the reciprocating motion of left and right ring flat-plate meeting is to soft ring band so as to extend making for product in use
Use the life-span.Axial displacement compensation rate of the invention is big, take small volume, is easily installed and safeguards；And sealing effectiveness more preferably,
Service life is longer, high temperature resistant, better heat preservation.
Brief description of the drawings
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the invention；
Fig. 2 be I in Fig. 1 at close-up schematic view；
Fig. 3 is the A-A cross section structure diagrams of Fig. 1；
Fig. 4 is the B-B cross section structure diagrams of Fig. 1；
Fig. 5 is the C-C cross section structure diagrams of Fig. 1；
Fig. 6 is D-D cross section structure diagrams in Fig. 1.
In figure：1st, left otic placode, 2, nut, 3, pull bar, 4, left ring flat-plate, 5, left adapter, 6, nonmetal flexible circle band, 7, Zuo Mi
Shrouding, 8, sealing ring, 9, screw rod, 10, spring, 11, alumina silicate fibre, 12, right sealing plate, 13, auris dextra plate, 14, right adapter,
15th, right ring flat-plate, 16, boiler inclined tube.
Specific embodiment
As shown in Figures 1 to 6, the special expansion joint of boiler inclined tube, including left adapter 5 and right adapter 14, the both sides of left adapter 5
It is respectively equipped with left ring flat-plate 4 and left sealing plate 7, right adapter 14 is respectively provided on two sides with right sealing plate 12 and right ring flat-plate 15, the left side
Ring flat-plate 4 is formed with right ring flat-plate 15 by nonmetal flexible circle band 6 and is tightly connected, while so that left sealing plate 7 and right sealing plate 12
The sliding sealing surface that can in any direction produce displacement is cooperated and formed, is set between left sealing plate 7 and right sealing plate 12
There is sealing ring 8.Angle between the axis of the boiler inclined tube 16 and the axis of left adapter 5 or right adapter 14 is less than 90 degree.
In the present embodiment, the left adapter 5, right adapter 14, left ring flat-plate 4, right ring flat-plate 15, left sealing plate 7, right sealing plate 12
It is set to ellipse.The outer surface of the left sealing plate 7 is laid with some high temperature resistant screw rods 9, and sealing ring 8 is ceramic fibre
Sealing ring, offers some through holes on sealing ring 8, screw rod 9 is connected by the through hole on sealing ring 8 with left sealing plate 7, screw rod 9
High temperature resistant spring 10 is provided between sealing ring 8.Sealing ring 8 is pressed on screw rod 9 appearance of left sealing plate 7 by spring 10
Face, while making sealing ring 8 be combined closely with the sealing surface of right sealing plate 12.
Left ring flat-plate 4 described in the present embodiment and right ring flat-plate 15 are respectively equipped with the left otic placode 1 and auris dextra that can produce elastic deformation
Plate 13, left otic placode 1 and the preferred spring steel of auris dextra plate 13 are made, and are connected by pull bar 3 and nut 2 between left otic placode 1 and auris dextra plate 13
Connect and fix, the spacing of right-left seal plate is kept constant in motion process, improve sealing effectiveness.The present invention
Nonmetal flexible circle 6 preferred fluorine rubber ring bands of band, protect between fluorine rubber ring band and left adapter 5 and right adapter 14 filled with high temperature resistant
Adiabator, the preferred alumina silicate fibre 11 of the high-temperature-resistant thermal-insulation material, the preferred high temperature resistant of sealing ring of the present invention 8, wear-resisting ceramics are fine
Dimension sealing ring.
Left adapter of the invention, right adapter, left ring flat-plate, right ring flat-plate, left sealing plate, right sealing plate can also be set to circle
Shape, can effectively protect fluorine rubber ring band during use, abrasion be reduced, so as to extend the service life of product；The present invention
Axial displacement compensation rate it is big, take small volume, be easily installed and safeguard；And sealing effectiveness is more preferable, high temperature resistant, heat insulation effect
More preferably.
Claims (8)
1. a kind of special expansion joint of boiler inclined tube, including left adapter and right adapter, it is characterized in that：The both sides difference of the left adapter
It is provided with left ring flat-plate and left sealing plate, right adapter is respectively provided on two sides with right sealing plate and right ring flat-plate, and the left ring flat-plate passes through non-gold
Category soft ring band and right ring flat-plate are formed and are tightly connected, while so that left sealing plate complemented each other to form with right sealing plate can be with office
Meaning direction produces the sliding sealing surface of displacement, and sealing ring is provided between left sealing plate and right sealing plate；
The left adapter, right adapter, left ring flat-plate, right ring flat-plate, left sealing plate, right sealing plate are set to circular or ellipse；Institute
The outer surface for stating left sealing plate is laid with some screw rods, and sealing ring is pressed on left sealing plate by the screw rod by elastomeric element
Outer surface, while making sealing ring be combined closely with the sealing surface of right sealing plate.
2. the special expansion joint of boiler inclined tube according to claim 1, it is characterized in that：The screw rod is provided with by sealing ring
Through hole be connected with left sealing plate, spring is provided between screw rod and sealing ring.
3. the special expansion joint of boiler inclined tube according to claim 1, it is characterized in that：The left ring flat-plate and right ring flat-plate set respectively
There are the left otic placode and auris dextra plate that can produce elastic deformation, connected and solid by pull bar and nut between left otic placode and auris dextra plate
It is fixed.
4. the special expansion joint of boiler inclined tube according to claim 3, it is characterized in that：The nonmetal flexible circle band connects with a left side
High-temperature-resistant thermal-insulation material is filled between pipe and right adapter.
5. the special expansion joint of boiler inclined tube according to claim 4, it is characterized in that：The high-temperature-resistant thermal-insulation material includes silicon
Sour aluminum fiber.
6. the special expansion joint of boiler inclined tube according to claim 4, it is characterized in that：The nonmetal flexible circle band includes fluorine
Rubber ring band.
7. the special expansion joint of boiler inclined tube according to claim 1, it is characterized in that：The sealing ring is ceramic fibre sealing
Circle.
8. the special expansion joint of boiler inclined tube according to claim 1, it is characterized in that：The axis of the boiler inclined tube connects with a left side
Angle between pipe or right adapter axis is less than 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084471.5A CN104896247B (en) | 2014-03-08 | 2014-03-08 | The special expansion joint of boiler inclined tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084471.5A CN104896247B (en) | 2014-03-08 | 2014-03-08 | The special expansion joint of boiler inclined tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896247A CN104896247A (en) | 2015-09-09 |
| CN104896247B true CN104896247B (en) | 2017-06-23 |
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ID=54029091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084471.5A Active CN104896247B (en) | 2014-03-08 | 2014-03-08 | The special expansion joint of boiler inclined tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896247B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111810752A (en) * | 2020-08-07 | 2020-10-23 | 诸暨市沣泽动力机械有限公司 | Nonmetal compensator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2424286A1 (en) * | 1974-05-18 | 1975-11-20 | Kempchen & Co Gmbh | Arrgmt. for flexible connection of pipelines - uses flexible diaphragms to connect flanges mounted on the pipe ends |
| DE2927639A1 (en) * | 1979-07-09 | 1981-01-29 | Klemens Neumann Anlagenbau Und | Coaxial asbestos sleeves filled with mineral wool - provide flexible coupling between overlapping pipe ends and are secured by hose clamps |
| CN2363161Y (en) * | 1998-12-30 | 2000-02-09 | 宝山钢铁(集团)公司 | Non-metal expansion joint |
| CN201715496U (en) * | 2010-07-23 | 2011-01-19 | 陈晓军 | High temperature non-metal compensator for a CFB boiler |
| CN103411082A (en) * | 2013-07-17 | 2013-11-27 | 江苏奎泽机械工业有限公司 | Environment-friendly denitration non-metallic compensator |
| CN203718252U (en) * | 2014-03-08 | 2014-07-16 | 江苏恒丰波纹管有限公司 | Special expansion joint for inclined pipe of boiler |
-
2014
- 2014-03-08 CN CN201410084471.5A patent/CN104896247B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2424286A1 (en) * | 1974-05-18 | 1975-11-20 | Kempchen & Co Gmbh | Arrgmt. for flexible connection of pipelines - uses flexible diaphragms to connect flanges mounted on the pipe ends |
| DE2927639A1 (en) * | 1979-07-09 | 1981-01-29 | Klemens Neumann Anlagenbau Und | Coaxial asbestos sleeves filled with mineral wool - provide flexible coupling between overlapping pipe ends and are secured by hose clamps |
| CN2363161Y (en) * | 1998-12-30 | 2000-02-09 | 宝山钢铁(集团)公司 | Non-metal expansion joint |
| CN201715496U (en) * | 2010-07-23 | 2011-01-19 | 陈晓军 | High temperature non-metal compensator for a CFB boiler |
| CN103411082A (en) * | 2013-07-17 | 2013-11-27 | 江苏奎泽机械工业有限公司 | Environment-friendly denitration non-metallic compensator |
| CN203718252U (en) * | 2014-03-08 | 2014-07-16 | 江苏恒丰波纹管有限公司 | Special expansion joint for inclined pipe of boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104896247A (en) | 2015-09-09 |
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