CN102434750A - Nonmetallic expansion joint for dust-containing medium - Google Patents
Nonmetallic expansion joint for dust-containing medium Download PDFInfo
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- CN102434750A CN102434750A CN201110425013XA CN201110425013A CN102434750A CN 102434750 A CN102434750 A CN 102434750A CN 201110425013X A CN201110425013X A CN 201110425013XA CN 201110425013 A CN201110425013 A CN 201110425013A CN 102434750 A CN102434750 A CN 102434750A
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- framework
- expansion joint
- flange
- dust
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Abstract
The invention relates to a nonmetallic expansion joint for a dust-containing medium and belongs to the technical field of fluid conveying pipelines. The expansion joint comprises an upper circular-pipe framework and a lower circular-pipe framework, wherein the outer ends of the frameworks are provided with flange turnups, and the inner ends of the frameworks are provided with bent turnups which form horizontal rings and vertical rings; a flexible strip is sleeved between the vertical rings of the bent turnups of the upper framework and the lower framework; the lower end of a flow guide barrel is inserted into and sealed and fixed in a hole in the lower framework; a gradually-enlarged horn opening is formed at the upper end of the flow guide barrel; the outer diameter of the horn opening is greater than the inner diameters of the frameworks; the lower end of a flexible heat insulation layer is sleeved and fixed on the outer circle of the flow guide barrel; the upper part of the heat insulation layer is provided with a gradually enlarged opening which is matched with the taper of the horn opening; the end part of the gradually enlarged opening is provided with a horizontal turnup; and the horizontal turnup is fixedly connected with the horizontal ring on the bent turnup at the inner end of the upper framework. The nonmetallic expansion joint can effectively avoid dust aggregation of inflammable dust-containing media and a spontaneous combustion phenomenon caused by the dust aggregation, and can prevent dust from being accumulated to form blocks and locking of the expansion joint during resetting caused by the formed blocks; therefore, the long-time normal running of a pipeline system can be guaranteed.
Description
Technical field
The present invention relates to a kind of non-metal expansion joint, especially a kind of medium containing dust is used non-metal expansion joint, belongs to technical field of fluid transportation pipelines.
Background technique
Understand according to the claimant; When existing non-metal expansion joint uses the vertical pipe that flows from bottom to top at medium containing dust; When no matter adopting the compound or floating type guide shell of straight cylinder type single entry, all be difficult to avoid dust local accumulation in guide shell, especially when the inflammable or easy caking of the dust of this accumulation; Can cause the inefficacy of spontaneous combustion or expansion joint, even whole tubing breaks down.
Summary of the invention
The objective of the invention is to:, can effectively avoid the dust in the medium containing dust to pile up the non-metal expansion joint that to work reliably and with long-term thereby proposition is a kind of to the problem that above-mentioned existing technology exists.
In order to reach above purpose, medium containing dust of the present invention comprises the upper and lower framework of pipe shape that is positioned at two ends with non-metal expansion joint; The outer end of said framework has the flange flange, and the inner has formation level and the bending flange that vertically encircles; Be socketed with soft ring band between the vertical ring of said upper and lower framework bending flange; The lower end of plug-in mounting and sealing and fixing guide shell in the hole of said underframe, the upper end of said guide shell forms the horn mouth of flaring, and said bell-mouthed external diameter is greater than the internal diameter of said framework; The lower end of the cylindrical suit fixing flexible thermal-protective coating of said guide shell; The top of said thermal-protective coating has the flaring mouth that matches with said horn mouth tapering; The end of said flaring mouth has horizontal flange, and said horizontal flange is fixedly connected with the horizontal loops of the inner bending of said upper frame flange.
In the work; No matter receive stretching, compression, deflection, reverse or during compound motion; Owing to have the existence of horn mouth guide shell and flaring mouth heat-insulating layer, the dust in the medium that flows from the bottom to top can't be adjacent in the chamber between framework at guide shell port and guide shell to be piled up, and therefore can effectively avoid the accumulated powder of flammability dust medium; And the dieseling that causes thus; Prevent that simultaneously dust from piling up caking, and the expansion joint that causes thus stuck when resetting, keep pipe-line system normal reliably operation steady in a long-term.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is the structural representation of one embodiment of the invention.
Embodiment
Embodiment one
The medium containing dust of present embodiment shown in accompanying drawing 1, comprises the upper and lower framework 1 of the pipe shape that is positioned at two ends with non-metal expansion joint; The outer end of upper and lower framework 1 all has flange flange 1-1, and the inner has the bending flange that forms horizontal loops 1-2 and vertical ring 1-3.Be socketed with soft ring band 5 between the vertical ring 1-3 of upper and lower framework 1 bending flange, and be connected by the fastening piece clamping at the pressing plate ring 6 that vertically encircles outside the 1-3 through hoop.The lower end of plug-in mounting and full weld sealing and fixing guide shell 2 in the hole of underframe, the upper end of this guide shell forms the horn mouth 2-1 of flaring, and the external diameter of this horn mouth 2-1 is greater than the internal diameter of framework.The lower end of the cylindrical suit fixing flexible thermal-protective coating 3 of guide shell 2; The top of this thermal-protective coating has the flaring mouth 3-1 that matches with the horn mouth tapering; The end of flaring mouth 3-1 has horizontal flange 3-2, and horizontal flange 3-2 is fixedly connected through Ba Ding 4 with the horizontal loops 1-2 of upper frame 1 inner bending flange.The orifice diameter of flaring mouth 3-1 is greater than the orifice diameter of horn mouth 2-1.Flaring mouth 3-1 awl section height is bored section height and nose balance amount sum greater than horn mouth 2-1, thereby can between the upper frame 1 that guide shell 2 horn mouths are adjacent, reserve enough spaces.
During work; Because astragal 5 is flexible with heat-insulating layer 3; And reserved the space between the upper frame 1 that guide shell 2 horn mouths are adjacent; Therefore relative stretching, compression, lateral shift can take place, reverse and angular deflection in the non-metal expansion joint two ends of present embodiment, the various moving displacements that the extraction duct system produces.Simultaneously; Because guide shell 2 adopts an end horn mouth structure; And its outer heat-insulating layer 3 of installing with flaring mouth; Therefore dust can't be piled up on the port of guide shell 2 and heat-insulating layer 3 in the medium that flows from bottom to top, thereby has effectively avoided expansion joint because destroying by fire of causing of accumulated powder spontaneous combustion and because 1 of guide shell 2 and framework are piled up the expansion joint that the dust that lumps causes can't reset, thereby the assurance pipe-line system can stable operation steady in a long-term.
Except that the foregoing description, the present invention can also have other mode of executions.For example non-metal expansion joint also can be the pipeline of rectangle and other shape except the cross section is circle.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop on the protection domain of requirement of the present invention.
Claims (4)
1. a medium containing dust is used non-metal expansion joint, comprises the upper and lower framework of pipe shape that is positioned at two ends; The outer end of said framework has the flange flange; It is characterized in that: the inner of said framework has formation level and the bending flange that vertically encircles; Be socketed with soft ring band between the vertical ring of said upper and lower framework bending flange; The lower end of plug-in mounting and sealing and fixing guide shell in the hole of said underframe, the upper end of said guide shell forms the horn mouth of flaring, and said bell-mouthed external diameter is greater than the internal diameter of said framework; The lower end of the cylindrical suit fixing flexible thermal-protective coating of said guide shell; The top of said thermal-protective coating has the flaring mouth that matches with said horn mouth tapering, and the end of said flaring mouth has horizontal flange, and said horizontal flange is fixedly connected with the horizontal loops of the inner bending of said upper frame flange.
2. medium containing dust according to claim 1 is used non-metal expansion joint, it is characterized in that: said astragal is connected through the pressing plate ring clamping of hoop outside vertically encircling.
3. medium containing dust according to claim 1 and 2 is used non-metal expansion joint, it is characterized in that: the orifice diameter of said flaring mouth is greater than said bell-mouthed orifice diameter.
4. medium containing dust according to claim 3 is used non-metal expansion joint, it is characterized in that: said flaring prostomum section height is greater than loudspeaker prostomum section height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425013.XA CN102434750B (en) | 2011-12-19 | 2011-12-19 | Nonmetallic expansion joint for dust-containing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110425013.XA CN102434750B (en) | 2011-12-19 | 2011-12-19 | Nonmetallic expansion joint for dust-containing medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102434750A true CN102434750A (en) | 2012-05-02 |
| CN102434750B CN102434750B (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110425013.XA Active CN102434750B (en) | 2011-12-19 | 2011-12-19 | Nonmetallic expansion joint for dust-containing medium |
Country Status (1)
| Country | Link |
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| CN (1) | CN102434750B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016889A (en) * | 2012-12-10 | 2013-04-03 | 南京晨光汉森柔性管有限公司 | Non-metal expansion joint for slag discharge pipeline of boiler |
| CN109019034A (en) * | 2018-07-27 | 2018-12-18 | 南京龙源环保有限公司 | A kind of U-shaped fluidisation charging port |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2205483Y (en) * | 1994-08-11 | 1995-08-16 | 沈阳新阳机器制造公司 | Profile expanding joint for hot wind (dust) pipe compensator |
| US6027147A (en) * | 1997-01-03 | 2000-02-22 | Elliott; Stephen | Internal flexible dust seal |
| CN201293177Y (en) * | 2008-11-19 | 2009-08-19 | 赵德威 | Persuasion type dustproof fabric expansion joint |
| CN101709819A (en) * | 2009-10-12 | 2010-05-19 | 深圳市彩阳电力技术有限公司 | Non-metallic expansion joint with stainless steel full-floating composite deflector |
| CN201661809U (en) * | 2010-03-19 | 2010-12-01 | 江苏扬光机械制造有限公司 | Expansion joint of long circular corrugated pipe |
| CN201803042U (en) * | 2010-08-20 | 2011-04-20 | 扬州天泓科技实业有限公司 | Non-metallic expansion joint for boiler material |
| CN202381912U (en) * | 2011-12-19 | 2012-08-15 | 南京晨光汉森柔性管有限公司 | Nonmetal expansion joint for dust-containing medium |
-
2011
- 2011-12-19 CN CN201110425013.XA patent/CN102434750B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN2205483Y (en) * | 1994-08-11 | 1995-08-16 | 沈阳新阳机器制造公司 | Profile expanding joint for hot wind (dust) pipe compensator |
| US6027147A (en) * | 1997-01-03 | 2000-02-22 | Elliott; Stephen | Internal flexible dust seal |
| CN201293177Y (en) * | 2008-11-19 | 2009-08-19 | 赵德威 | Persuasion type dustproof fabric expansion joint |
| CN101709819A (en) * | 2009-10-12 | 2010-05-19 | 深圳市彩阳电力技术有限公司 | Non-metallic expansion joint with stainless steel full-floating composite deflector |
| CN201661809U (en) * | 2010-03-19 | 2010-12-01 | 江苏扬光机械制造有限公司 | Expansion joint of long circular corrugated pipe |
| CN201803042U (en) * | 2010-08-20 | 2011-04-20 | 扬州天泓科技实业有限公司 | Non-metallic expansion joint for boiler material |
| CN202381912U (en) * | 2011-12-19 | 2012-08-15 | 南京晨光汉森柔性管有限公司 | Nonmetal expansion joint for dust-containing medium |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016889A (en) * | 2012-12-10 | 2013-04-03 | 南京晨光汉森柔性管有限公司 | Non-metal expansion joint for slag discharge pipeline of boiler |
| CN103016889B (en) * | 2012-12-10 | 2014-07-02 | 南京晨光汉森柔性管有限公司 | Non-metal expansion joint for slag discharge pipeline of boiler |
| CN109019034A (en) * | 2018-07-27 | 2018-12-18 | 南京龙源环保有限公司 | A kind of U-shaped fluidisation charging port |
| CN109019034B (en) * | 2018-07-27 | 2023-10-27 | 国能龙源环保南京有限公司 | U-shaped fluidization feeding port |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102434750B (en) | 2014-02-26 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20171030 Address after: 211100 Tianyuan Middle Road, Jiangning economic and Technological Development Zone, Jiangsu, China, No. 188, No. Patentee after: Aerosun Corp. Address before: 211100 Jiangning economic and Technological Development Zone, Jiangsu, general Avenue, No. 199, No. Patentee before: Nanjing Chenguang Hansen Flexible Pipe Co., Ltd. |