CN1329687C - Shround-band type flue flexible joint - Google Patents
Shround-band type flue flexible joint Download PDFInfo
- Publication number
- CN1329687C CN1329687C CNB2005100944752A CN200510094475A CN1329687C CN 1329687 C CN1329687 C CN 1329687C CN B2005100944752 A CNB2005100944752 A CN B2005100944752A CN 200510094475 A CN200510094475 A CN 200510094475A CN 1329687 C CN1329687 C CN 1329687C
- Authority
- CN
- China
- Prior art keywords
- flexible
- wedge
- band
- shaped
- shroud
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The present invention discloses a shroud-band type flue flexible joint which relates to a joint for flexible connection between two sections of flues in a flue gas desulphurization system (FGD) or the similar field and is used for compensating line displacement and angle displacement between the two sections of flues and blocks vibrational transfer. The joint is composed of a flexible combined material band and wedge-shaped quick and tight structure, wherein the flexible combined material band is composed of a flexible shroud-band inner layer (4), a flexible shroud-band middle layer (5), and a flexible shroud-band outer layer (6) which are stacked and compounded, and the wedge-shaped quick and tight structure is composed of a bolt (2) used by a T-shaped slot, a wedge-shaped compaction piece (3), a wedge-shaped block (7), and channel steel (8). The wedge-shaped block is positioned at one side in the channel steel, and the edge of the flexible combined material band is positioned at the other side in the channel steel. The wedge-shaped compaction piece is positioned between the wedge-shaped block and the flexible combined material band, and the slope of the wedge-shaped compaction piece is anastomosed with the slope of the wedge-shaped block. The flexible combined material band is tightly pressed in the channel steel by the bolt used by the T-shaped slot penetrating through the wedge-shaped compaction piece and the channel steel.
Description
Technical field
The present invention relates to a kind of Shround-band type joint that flue gas desulphurization system (FGD) or similar field flue flexibly connect that is used for, it can realize flexibly connecting between two flues with simple and reliable structure, be used for compensating axial displacement, radial displacement and angular displacement between two flues, the blocking-up transfer of vibration, it belongs to the technical field that flue gas desulfurization device is made.
Background technique
All be to adopt metal or non-metal compensator to realize flexibly connecting between two flues at present in the flue gas desulphurization system (FGD),, and intercept vibration with compensation displacement each other.Desulphurization system flue size is big, range of temperature is wide, and flue gas may contain a certain amount of dust, gypsum particle and moisture, forms acid dew during hydrogenesis and causes corrosion, the then long-pending easily flue internal surface that is attached to of dust and gypsum.The conventional compensator of working in the above conditions is made up of the framework and the fibrous braid of both sides, adiabatic light bubble flexible material such as filling glass cotton therebetween, complex structure, the bodily form are huge, install with replacing all inconvenient, and calcium plaster usually infiltrates glass wool and is full of scleroma and makes it lose the flexible compensation effect, and then destroys fibrous braid and cause the puzzlement of leaking, leaking cigarette.
Summary of the invention
Technical problem: in order to overcome the existing problem of conventional compensator, the invention provides a kind of Shround-band type flue flexible joint that the flue gas desulphurization system flue flexibly connects that is used for, it is simple in structure, it is convenient to make, install and change, cost is low, the reliability height, compensation effect is good, obviously is better than conventional compensator.
Technological scheme: Shround-band type flue flexible joint of the present invention is made up of flexible composite band and the fast locking structure of wedge shape; Wherein the flexible composite belt shape is a flat rubber belting, in being divided into, in, outer three layers by flexible shroud internal layer, flexible shroud middle level, outer stacked being composited of flexible shroud, the fast locking structure of wedge shape is by the T-slot bolt, monolateral wedge shape compressing member, wedge-shaped blocks, channel-section steel constitutes, the edge of flexible composite band is positioned at the side of channel-section steel near flue, wedge-shaped blocks is positioned at the opposite side of channel-section steel, monolateral wedge shape compressing member between wedge-shaped blocks and flexible composite band and the inclined-plane of monolateral wedge shape compressing member and the inclined-plane of wedge-shaped blocks match, T-slot passes monolateral wedge shape compressing member with bolt and channel-section steel is pressed on the flexible composite band in the channel-section steel with screw bolt and nut by T-slot.Flexible shroud internal layer is the rubber layer of heatproof corrosion resistant, and adds the spray hydrophobic coat at the rubber layer inner face, in case too much ponding and fouling; Flexible shroud middle level is a fibre cloth, plays a part adiabatic and the protection internal layer; Flexible shroud skin is the resin material ultraviolet resistant layer, to delay the aged deterioration process of middle level and internal layer; Be one all between each layer with the tackiness agent adhesion.
When installing in the flue end, the channel-section steel that has utilized the effect of flue reinforcing rib is pressed in flexible shroud on the inwall of channel-section steel by constructing a monolateral wedge shape compressing member as frame, compresses with bolt with T-slot.With compressing member when fastening, because sphenoid surface is more pressed the tight pressuring action of healing, flexible shroud is clamped between wedge shape compressing member and the channel-section steel, thereby plays the seal action to flue gas and hydrops with bolt.
Shround-band type flue flexible joint of the present invention is when cold conditions is installed, and the arc that flexible shroud can be less is arranged, even can be flattened layout.Flue elongation when hot, flexible band can outwards encircle naturally.The displacement amount that can compensate is as required determined the width of flexible shroud and the arc size of initial placement, makes its linear displacement that can compensate three-dimensional and a certain amount of angular displacement.Flexible shroud internal layer can reveal corrosion with acid by anti-higher temperature, and the smooth hydrophobic of coating is difficult for hygroscopic moisture and dirt, is convenient to clean.The fibre cloth in middle level and outer field ultraviolet resistant layer play support structure and protection internal layer.According to the impacting force of different seal request can regulate clamping bolts, and the quantity of choose reasonable clamping bolt.When maintenance or replacing, can extract flexible shroud out at the outside clamping bolt that only need come loose of flue, simple to operation.
Beneficial effect: the invention has the beneficial effects as follows:
1. simple in structure, easily manufactured.With the channel-section steel that can play the reinforcing rib effect on the flue replaced profile huge, make transportation all very inconvenient both sides frame be installed.Only needing to bend welding simply with common shaped steel and steel plate can finish, and does not have complicated procedures of forming, not high to assembly technical requirement.
2. only use flexible shroud part by way of compensation, form is succinct, not only can realize large-scale bit shift compensation at three-dimensional and angle, and sealing effect is also relatively good, can not lose efficacy because of the fixed of cigarette ash and gypsum, and maintenance is convenient with replacing.
3. during on-the-spot the installation, do not need pre-assembling, directly flexible shroud is clamped between wedge and the channel-section steel, tighting a bolt then gets final product.Construction quality to flue does not have excessive demand, significantly reduced transportation, lifting, group to fixing workload and work difficulty.
Description of drawings
Fig. 1 is the structural representation of Shround-band type flue flexible joint of the present invention.Flue 1, T-slot bolt 2, monolateral wedge shape compressing member 3, flexible shroud internal layer 4, flexible shroud middle level 5, flexible shroud skin 6, wedge-shaped blocks 7, channel-section steel 8 have been indicated among the figure.
Embodiment
The present invention will be further described below in conjunction with drawings and Examples.
Embodiments of the invention as shown in drawings.All steel construction pieces among the present invention simply process by common shaped steel and steel plate, do not need special material and precision machining.Bolt also is a conventional criteria spare.Flexible shroud is customizable, and internal layer 4 is the rubber layer of heatproof corrosion resistant, and adds spray one deck hydrophobic coat; Middle level 5 is a fibre cloth, plays a part adiabatic and the protection internal layer; Outer 6 is ultraviolet resistant layer, adopts resin material, can delay the aged deterioration process of middle level and internal layer.Channel-section steel 8 is the reinforcing rib that is welded on the flue, before the flexible band of flue end wrapping, and first reconditioning flue port, deburring, the sharp edge rounding is in order to avoid incised wound flexibility band.Flexible band is clamped between channel-section steel 8 and the monolateral wedge shape compressing member 3, when tightening T-slot with bolt 2, relies on the wedge surface effect between wedge-shaped blocks 7 and the monolateral wedge shape compressing member 3 that the flexibility band is compressed.Wedge-shaped blocks 7 is arranged some with certain spacing, but spot welding is fixed on the channel-section steel after deploying.The flexible bandwidth degree will be cut system according to the size of compensation rate, but will guarantee that the cambered surface of flexible band is shallow as far as possible, in order to avoid ponding is too much.When cleaning and changing flexible being with, need not to enter flue inside, only need outside flue, to unclamp bolt 2 and just flexible shroud can be extracted out and changed.
Bit shift compensation spare is a composite material shroud, utilizes to have the be connected and fixed frame of the channel-section steel 8 of flue reinforcing rib effect as it, replaces the special both sides frame of making of conventional flue compensator needs; The special wedge shape fast fixture of flexible composite shroud utilization is fixed and clamped on the channel-section steel that plays the effect of flue reinforcing rib.
The fast locking structure of wedge shape is made of with bolt 2, monolateral wedge shape compressing member 3, wedge-shaped blocks 7, channel-section steel 8 T-slot, the edge of flexible composite band is positioned at the side of channel-section steel 8 near flue 1, wedge-shaped blocks 7 is positioned at the opposite side of channel-section steel 8, monolateral wedge shape compressing member 3 between wedge-shaped blocks 7 and flexible composite band and the inclined-plane of the inclined-plane of monolateral wedge shape compressing member 3 and wedge-shaped blocks 7 match, T-slot passes monolateral wedge shape compressing member 3 with bolt 2 and channel-section steel 8 is pressed on the flexible composite band in the channel-section steel 8.
The present invention is a Shround-band type flue flexible joint, can substitute and be better than conventional compensator fully on performance.It is simple in structure, only need on request will be to be connected two flue port reconditioning fillets, and the reinforcing rib of flue is welded near the flue port by certain size and orientation, outer then wrapping one circle composite material shroud is used fastening the getting final product of fast locking structure of the present invention again.Do not need pre-assembling during installation, maintenance is also more convenient with replacing.
Claims (2)
1, a kind of Shround-band type flue flexible joint is characterized in that this joint is made up of flexible composite band and the fast locking structure of wedge shape; Wherein the flexible composite band is by flexible shroud internal layer (4), flexible shroud middle level (5), stacked being composited of flexible shroud skin (6), the fast locking structure of wedge shape is by T-slot bolt (2), monolateral wedge shape compressing member (3), wedge-shaped blocks (7), channel-section steel (8) constitutes, the edge of flexible composite band is positioned at the side of channel-section steel (8) near flue (1), wedge-shaped blocks (7) is positioned at the opposite side of channel-section steel (8), monolateral wedge shape compressing member (3) is positioned between wedge-shaped blocks (7) and the flexible composite band and the inclined-plane of the inclined-plane of monolateral wedge shape compressing member (3) and wedge-shaped blocks (7) matches, T-slot passes monolateral wedge shape compressing member (3) and channel-section steel (8) with bolt (2), the flexible composite band is pressed in the channel-section steel (8) with bolt (2) and nut by T-slot.
2, Shround-band type flue flexible joint according to claim 1 is characterized in that flexible shroud internal layer (4) is the rubber layer of heatproof corrosion resistant, and adds the spray hydrophobic coat at the rubber layer inner face, in case too much ponding and fouling; Flexible shroud middle level (5) is a fibre cloth, plays a part adiabatic and the protection internal layer; Flexible shroud skin (6) is the resin material ultraviolet resistant layer, to delay the aged deterioration process of middle level and internal layer; Be one all between each layer with the tackiness agent adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944752A CN1329687C (en) | 2005-09-21 | 2005-09-21 | Shround-band type flue flexible joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944752A CN1329687C (en) | 2005-09-21 | 2005-09-21 | Shround-band type flue flexible joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1743718A CN1743718A (en) | 2006-03-08 |
| CN1329687C true CN1329687C (en) | 2007-08-01 |
Family
ID=36139199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100944752A Expired - Fee Related CN1329687C (en) | 2005-09-21 | 2005-09-21 | Shround-band type flue flexible joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1329687C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156797A (en) * | 2015-08-08 | 2015-12-16 | 济南大学 | Flexible connection device for underground petroleum pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138147A (en) * | 1976-12-27 | 1979-02-06 | Manchester Luther L | Coupling device |
| CN2314211Y (en) * | 1997-12-10 | 1999-04-14 | 谢作英 | Push-pressing holder self locking quick joint |
| CN1477325A (en) * | 2002-07-27 | 2004-02-25 | �����ؿ˿�������ϵͳ�������ι�˾ | Flexible pipeline connecting piece made of elastic deformed material |
| CN2605454Y (en) * | 2003-04-24 | 2004-03-03 | 袁明 | Flue-duct corrosion-resisting non-metal expansion joint of flue-gas desulferizing apparatus |
| CN2818989Y (en) * | 2005-09-21 | 2006-09-20 | 孙克勤 | Enclosed belt style flexible flue joint |
-
2005
- 2005-09-21 CN CNB2005100944752A patent/CN1329687C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138147A (en) * | 1976-12-27 | 1979-02-06 | Manchester Luther L | Coupling device |
| CN2314211Y (en) * | 1997-12-10 | 1999-04-14 | 谢作英 | Push-pressing holder self locking quick joint |
| CN1477325A (en) * | 2002-07-27 | 2004-02-25 | �����ؿ˿�������ϵͳ�������ι�˾ | Flexible pipeline connecting piece made of elastic deformed material |
| CN2605454Y (en) * | 2003-04-24 | 2004-03-03 | 袁明 | Flue-duct corrosion-resisting non-metal expansion joint of flue-gas desulferizing apparatus |
| CN2818989Y (en) * | 2005-09-21 | 2006-09-20 | 孙克勤 | Enclosed belt style flexible flue joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1743718A (en) | 2006-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105683642B (en) | Pipe insulation apparatus having finishing cover of compression-bonded structure | |
| CN203671121U (en) | Connecting device and pipeline component assembly of plastic pipeline and flushing pipeline of mist eliminator | |
| CN2818989Y (en) | Enclosed belt style flexible flue joint | |
| CN107435548A (en) | A kind of waterproof structure of shield tunnel segment seam and its construction method | |
| CN1329687C (en) | Shround-band type flue flexible joint | |
| CN106287001B (en) | Penstock reinforcing bar composite concrete pipe and the pipeline and production method being made from it | |
| CN212839910U (en) | Sealing joint for underground steel wire mesh framework composite pipe | |
| CN2872031Y (en) | Detachable fireproofing pipeline sealer | |
| CN211502010U (en) | Flexible expansion joint for desulfurization flue system | |
| CN101839057B (en) | Fast-spliced combined ventilation duct | |
| CN208619882U (en) | Wall bushing plugging device | |
| CN203309408U (en) | Hoop for rapidly connecting FGD (Flue Gas Desulfurization) spray pipe | |
| CN101899802B (en) | Infusion formwork system for laying CA mortar on ballastless track boards of passenger dedicated line and infusion process completed by using same | |
| JP4800830B2 (en) | Installation method of stave cooler in furnace | |
| RU81968U1 (en) | CONNECTING INSULATING COMPOSITION | |
| CN2436765Y (en) | Quick leaking stoppage node for pipeline | |
| CN218178209U (en) | Air conditioner drain pipe of rail transit vehicle | |
| CN201512732U (en) | CA mortar perfusion formwork system for CRTS- II track slab laying of passenger special line ballastless track | |
| CN202203564U (en) | Simple connecting piece for converter secondary dedusting deformation pipeline replacing compensator | |
| CN221839131U (en) | Flange convenient to location | |
| CN109630768B (en) | Desulfurization spray pipeline and production process thereof | |
| CN216843604U (en) | Novel bus bar structure for industrial gas | |
| CN209325048U (en) | A kind of self sealing structure for desulfurization duct non-metal expansion joint | |
| CN1018472B (en) | Hafu type flexible joint | |
| CN214789597U (en) | Joint connection structure of stress steel cylinder concrete pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |