CN208503750U - A kind of telescopic compensator for steel flue - Google Patents
A kind of telescopic compensator for steel flue Download PDFInfo
- Publication number
- CN208503750U CN208503750U CN201820598452.8U CN201820598452U CN208503750U CN 208503750 U CN208503750 U CN 208503750U CN 201820598452 U CN201820598452 U CN 201820598452U CN 208503750 U CN208503750 U CN 208503750U
- Authority
- CN
- China
- Prior art keywords
- connector sleeve
- interior
- steel flue
- flue
- retaining ring
- 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.)
- Active
Links
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model is used for the telescopic compensator of steel flue; the steel flue outer surface of telescopic joint two sides is connected to by outer connector sleeve, interior connector sleeve; and drive the asbestos cord packing seal between the outer retaining ring of outer retaining ring extruding and inner shield ring between outer connector sleeve, interior connector sleeve in space by clamping screw; rapidly, effectively steel flue gas duct can be repaired; without carrying out shutdown processing to flue gas system; it does not affect the normal production; outer connector sleeve, interior connector sleeve, outer retaining ring, inner shield ring are all made of split type structure, and production, mounting process are simple；Welding process can be impacted to avoid the flue gas of flue internal leakage；Air and moisture outside negative tube, which cannot be introduced into, to be caused to corrode in flue, and the flue gas in positive pressure pipeline section, which will not be revealed, pollutes personnel and environment outside outlet pipe, and high production efficiency, maintenance is easy to use and operate, reduces production cost investment.
Description
Technical field
The present invention relates to a kind of telescopic compensators for steel flue.
Background technique
It is in high-density calcined petroleum coke production process that green coke is positive for manufacture aluminium through pot type burner high-temperature calcination working process
The raw material of pole rely primarily in burning green coke the fugitive constituent combustible that overflows to generate heat, and the flue gas for generation of burning is logical
It crosses boiler induced-draft fan to pump to desulfurizing tower, is discharged into atmosphere after purified treatment, and the flow path of flue gas then passes through flue gas delivery pipe
Road constrains, and smoke conveying duct generally manufactures, steel flue easy for installation, and contained in the flue gas generated that burns
The hazardous substances such as grain dust, nitrogen oxides, sulfide easily produce the equipment of steel flue, telescopic joint and directly contact flue gas
Raw abrasion, corrosion etc. are encroached on, and the telescopic joint position between especially adjacent flue, telescopic joint not only needs to make up the heat between flue
Swollen shrinkage displacement still suffers from washing away and corroding for dust flue gas in flue, and industrial combustion boiler system need to keep continuous
Production, cannot put out furnace, maintenance difficult after flue gas system failure easily under normal circumstances.
Generally using boiler induced-draft fan as boundary, the referred to as negative-pressure pipeline of boiler induced-draft fan input end will be connected, boiler will be connected
Air-introduced machine outlet end is known as positive pressure pipeline.Boiler induced-draft fan is pumped out the flue gas in burner hearth by negative-pressure pipeline, then is led to
It crosses after flue gas is delivered to smoke processing system processing by positive pressure pipeline and is discharged into atmosphere.As shown in Figure 1, when negative pressure pipeline section pierces
When gas leakage, the outer air of smoke pipe can be inhaled into pipeline, reduce the flue-gas temperature in pipeline, in a humidity environment also can be by steam
In intake line, water is contacted with the acidic materials in flue gas will form acid solution, and the acceleration of entire flue gas system is caused to damage.Such as figure
Shown in 2, when positive pressure pipeline section occurs piercing gas leakage, flue gas in pipeline can be outside direct bleed pipe, not by purified treatment
Flue gas is directly discharged into atmosphere, can cause greatly to pollute to the environment of surrounding, will also result in personnel accidental scalding and it is chronic in
Poison.Either negative-pressure pipeline or positive pressure pipeline, as long as starting a leak will cause damages to personnel and environment, if not in time
Processing but will cause immeasurable loss.Though steel smoke pipeline is intended to the case where not stopping inner tube smoke flowing
It is lower carry out soldering maintenance activity with pressure be it is impossible, welding fluid will be inhaled into pipe or blow before incomplete cooled and solidified
It walks.The damage of telescopic joint is preferably by more bringing solution, even if soldering is also that permanent can not use well, there are certain
Security risk.If carrying out shutdown repair and replacement to flue gas system according to normal flow, the time that front and back prepares can be very long, operation
Get up also very complicated, needs the cooperation of entire production system, while there are also the steam generated using fume afterheat externally to supply
Should service, also to negotiate in advance with external application vapour unit informed consent agreement after, it is such loss and influence be also do not say and
Analogy.
Summary of the invention
The technical problem to be solved by the invention is to provide being not required to carry out shutdown disposition to flue gas system when a kind of maintenance,
Can be avoided flue internal leakage flue gas when installation and maintenance influences welding sequence, the easy to operate flexible compensation for steel flue
Device.
The present invention is used for the telescopic compensator of steel flue, it is characterised in that: including that can be set in telescopic joint two
Outer connector sleeve, interior connector sleeve outside the steel flue of side, outer connector sleeve, interior connector sleeve one end have outside internal diameter and steel flue
The adaptable mounting circular ring of diameter, the other end is open end, and outer connector sleeve, interior connector sleeve cooperate socket to pacify in opposite directions by open end
Dress；Interior connector sleeve outer surface is fixedly installed with inner shield ring close to the position of open end, is equipped with close to the end of mounting circular ring solid
Determine nut, being provided between outer connector sleeve and interior connector sleeve can be set in outside interior connector sleeve and can be along inside and outside connector sleeve
The outer retaining ring that gap axially moves, is filled with filler between outer retaining ring, inner shield ring, outer retaining ring is connected to solid by clamping screw
Determine on nut and can drive with clamping screw and fixture nut to squeeze packing seal between outer connector sleeve, interior connector sleeve
In space；Outer connector sleeve and the axially opposite displacement minimum value of interior connector sleeve are the maximum compensation rate of former telescopic joint；
The steel flue outer surface for being fixedly connected on telescopic joint two sides is respectively welded in the outer connector sleeve, interior connector sleeve；
The outer retaining ring radial width is slightly less than radial clearance between outer connector sleeve, interior connector sleeve；
The outer connector sleeve, interior connector sleeve combine composition by upper and lower two parts semi-circular shape structure；
The inner shield ring is by being respectively welded in the upper and lower two parts semi-circular shape structural outer surface for being fixed on interior connector sleeve
Upper and lower two parts semicircle segmental arc combination is constituted；
The outer retaining ring is combined by multistage segmental arc to be constituted, and two clamping screws are at least equipped on every section of segmental arc, interior
The nut of connector sleeve outer surface installation is consistent with clamping screw quantity, is uniformly arranged along the circumference；
The filler is asbestos cord, and asbestos cord filling quantity is no less than three circles.
The present invention is used for the telescopic compensator of steel flue, is connected to telescopic joint by outer connector sleeve, interior connector sleeve
The steel flue outer surface of two sides, and push outer retaining ring to squeeze the packing seal between outer retaining ring and inner shield ring by clamping screw
Between outer connector sleeve, interior connector sleeve in space, rapidly, effectively steel flue gas duct can be repaired, without to flue gas system
Shutdown processing is carried out, is not affected the normal production, outer connector sleeve, interior connector sleeve, outer retaining ring, inner shield ring are all made of split type structure,
Production, mounting process are simple；First the interior connector sleeve of upper and lower two halves is welded in place it is integral, then by interior connector sleeve and flexible
Save the steel flue welding of side；It is again that the outer connector sleeve of upper and lower two halves is in place, the outer connector sleeve of upper and lower two halves is welded into
It is whole, finally outer connector sleeve and the steel flue of the telescopic joint other side are welded, such erection sequence can be to avoid in flue
The flue gas of leakage impacts welding process；Asbestos cord from coil to coil it is layer-by-layer be filled into the inside and outside of novel steel flue gas duct telescopic compensator
It covers in gap, filling is closely knit, air tight；Outer retaining ring is installed by root, and pre-tightens corresponding hold-down bolt, the outer retaining ring to whole circle is pacified
It, can symmetric order tight hold-down bolt eventually after dress；Loophole at negative pressure pipeline section is repaired, the air and moisture outside pipe without
Method enters formation corrosive liquids in flue and causes to corrode to pipeline and equipment；Loophole at positive pressure pipeline section is also repaired
It mends, the flue gas in pipe will not be leaked out to periphery personnel and environmental concerns.Deduct pre- production Novel steel cigarette in advance
The time of road telescopic compensator body structural member, online installation and maintenance only need the less time with regard to achievable, when installation and maintenance
Operating personnel takes interim safeguard measure appropriate, and whole process does not influence normal without carrying out shutdown disposition to flue gas system
Production is saved manpower, physics and time, high production efficiency, and maintenance is easy to use and operate, reduces costs investment.
Detailed description of the invention
Fig. 1 is that steel flue negative pressure pipeline in the prior art pierces schematic diagram；
Fig. 2 is that steel flue positive pressure pipeline in the prior art pierces schematic diagram；
Fig. 3 is the telescopic compensator planar structure schematic diagram that the embodiment of the present invention is used for steel flue；
Fig. 4 is the right view of Fig. 3；
Fig. 5 is the structural schematic diagram that the embodiment of the present invention is applied to negative-pressure pipeline for the telescopic compensator of steel flue；
Fig. 6 is the structural schematic diagram that the embodiment of the present invention is applied to positive pressure pipeline for the telescopic compensator of steel flue.
Specific embodiment
As shown, a kind of telescopic compensator for steel flue, including that can be set in telescopic joint two sides
Outer connector sleeve 7, interior connector sleeve 1 outside steel flue, outer connector sleeve 7,1 one end of interior connector sleeve have outside internal diameter and steel flue
The adaptable mounting circular ring of diameter, the other end is open end, and outer connector sleeve 7, interior connector sleeve 1 cooperate socket to pacify in opposite directions by open end
It is covered on outside telescopic joint after dress, provides double protection for the telescopic joint position of steel flue, separate in outside air and flue
Portion's flue gas；
Interior 1 outer surface of connector sleeve is fixedly installed with inner shield ring 6 close to the position of open end, pacifies close to the end of mounting circular ring
Equipped with fixture nut 3, outer connector sleeve 7, which is internally provided with, can be set in 1 outside of interior connector sleeve and can be along inside and outside connection inner room
The outer retaining ring 4 that gap axially moves, is filled with filler 5 between outer retaining ring 4, inner shield ring 6, outer retaining ring 4 is connected by clamping screw 2
In fixture nut 3 and filler 5 can be squeezed with driving with fixture nut 3 from clamping screw 2 and be sealed in outer connector sleeve 7, interior
Ring structure is constituted between connector sleeve 1 in space, so that outer connector sleeve 7,1 inner space of interior connector sleeve constitute confined space,
The flue gas leaked after telescopic joint damage will not be directly leaked in pipeline external atmosphere, and outside air, steam will not be inhaled into
The flue-gas temperature in pipeline is reduced in pipeline or forms corrosive liquids；It is opposite after outer connector sleeve 7, the cooperation suit of interior connector sleeve 1
Axial least displacement distance be greater than the compensation rate of former telescopic joint, telescopic joint can be covered all and had flexible for telescopic joint
The space of adjusting.
The steel flue outer surface for being fixedly connected on telescopic joint two sides is respectively welded in outer connector sleeve 7, interior connector sleeve 1, connection
Reliably, protection is stablized.
Outer 4 radial width of retaining ring is slightly less than radial clearance between outer connector sleeve 7, interior connector sleeve 1, convenient for squeezing filler 5, prevents
Only outer retaining ring 4 scratches abrasion with outer connector sleeve 7, interior connector sleeve 1.
Outer connector sleeve 7, interior connector sleeve 1 combine composition by upper and lower two parts semi-circular shape structure, and inner shield ring 6 is by respectively
Upper and lower two parts semicircle segmental arc combination in upper and lower two parts semi-circular shape structural outer surface of interior connector sleeve 1 is welded and fixed
It constitutes, is split type structure, easy to operate, combination connection in order is installed, flue gas will not influence welded connecting effect in flue
Fruit.
Outer retaining ring 4 is combined by multistage segmental arc to be constituted, and two clamping screws 2, interior company are at least connected on every section of segmental arc
The nut 3 of 1 outer surface of female connector installation is consistent with 2 position of clamping screw and quantity, it is uniformly arranged along the circumference, so that every section of arc
Section squeezes filler stress equalization, reliable and stable.
The filler 5 of this example uses asbestos cord, and filling quantity is no less than three circles between the outer retaining ring of asbestos cord, inner shield ring, clogs
It enriches, it is ensured that space sealing effect between outer connector sleeve 7, interior connector sleeve 1.
The present invention is used for the telescopic compensator of steel flue, is connected to telescopic joint by outer connector sleeve, interior connector sleeve
The steel flue outer surface of two sides, and drive outer retaining ring to squeeze the packing seal between outer retaining ring and inner shield ring by clamping screw
Between outer connector sleeve, interior connector sleeve in space, rapidly, effectively steel flue gas duct can be repaired, without to flue gas system
Shutdown processing is carried out, is not affected the normal production, outer connector sleeve, interior connector sleeve, outer retaining ring, inner shield ring are all made of split type structure,
Production, mounting process are simple；First the interior connector sleeve of upper and lower two halves is welded in place it is integral, then by interior connector sleeve and flexible
Save the steel flue welding of side；It is again that the outer connector sleeve of upper and lower two halves is in place, the outer connector sleeve of upper and lower two halves is welded into
It is whole, finally outer connector sleeve and the steel flue of the telescopic joint other side are welded, such erection sequence can be to avoid in flue
The flue gas of leakage impacts welding process；Asbestos cord from coil to coil it is layer-by-layer be filled into the inside and outside of novel steel flue gas duct telescopic compensator
It covers in gap, filling is closely knit, air tight；Outer retaining ring is installed by root, and pre-tightens corresponding hold-down bolt, the outer retaining ring to whole circle is pacified
It, can symmetric order tight hold-down bolt eventually after dress；Loophole at negative pressure pipeline section is repaired, the air and moisture outside pipe without
Method, which enters, to cause to corrode in flue；Loophole at positive pressure pipeline section is also repaired, and the flue gas in pipe will not reveal outlet pipe
Outside to periphery personnel and environmental concerns；Deduct pre- production Novel steel flue telescopic compensator body structural member in advance when
Between, online installation and maintenance only need the less time with regard to achievable, and operating personnel takes interim protection appropriate when installation and maintenance
Measure, whole process do not affect the normal production, saving manpower, physics and time, life without carrying out shutdown disposition to flue gas system
Produce it is high-efficient, repair it is easy to use and operate, reduce production cost investment.
Specific implementation technical solution: propose a kind of economic, practical novel steel flue gas duct telescopic compensator it can rapidly, have
Effect repairs steel flue gas duct, without carrying out shutdown processing to flue gas system, does not affect the normal production, split type structure, makes
Make, simple, easy maintenance is installed, sexual valence is relatively high.
Mainly it is made of outer connector sleeve, interior connector sleeve, outer retaining ring, inner shield ring, filler, fixture nut and clamping screw；Outside
Connector sleeve and interior connector sleeve, respectively upper and lower two parts, collectively form steel flue telescopic compensator, with segment flue gas straight tube
Shape it is similar；Inner shield ring dimidiation arc section is weldingly fixed in upper and lower on the outer surface of connector sleeve, is used to filler
Position and prevent filler from sliding into inside compensation device；Outer retaining ring is movable part, and circular ring shape entirety retaining ring homogenous segmentations are cut and are made
It is made multistage segmental arc, for size specifically depending on actual conditions, width is slightly less than the radial direction of outer connector sleeve Yu interior connector sleeve
Gap, outer retaining ring, inner shield ring plate thickness be after stress compresses without obvious bending deformation, on the outer retaining ring of each segmental arc not
It can be fixed less than two hold-down bolts；Fixture nut is welded on the outer surface of interior connector sleeve, and quantity can be according to pipe diameter
Size is suitably determined, and is evenly arranged；The quantity of clamping screw is consistent with fixture nut, and length selection is wanted can be after compressing outer retaining ring
Also there are adjust surplus；Filler is chosen according to the flue gas in flue, generally uses asbestos cord, and three cannot be less than when filling
Circle, and space filling between inside and outside connector sleeve is enriched and constitutes ring structure.
When the damage of the telescopic joint of steel flue is pierced, the geomery of steel flue and telescopic joint is measured,
The steel flue telescopic compensator of corresponding size is made according to the size measured will be upper after centering examination in place assembles no problem
Half housing is removed, first that the inner sleeve welding of upper and lower two halves is integral, and interior connector sleeve and the steel flue of telescopic joint side are welded
It connects；Then connector sleeve outside upper half is playbacked, the outer connector sleeve welding of upper and lower two halves is integral；Finally by outer connector sleeve with stretch
The steel flue of the casing coupling other side welds, and can cause shadow to welding process to avoid the flue gas of flue internal leakage by this erection sequence
It rings；It is filled into asbestos cord from coil to coil is layer-by-layer in the inner-outer sleeve gap of steel flue telescopic compensator again, fills closely knit, do not leak
Gas；The outer retaining ring of Piecemeal erection, and corresponding clamping screw is pre-tightened, the outer retaining ring to whole circle after the installation is completed, can be by symmetrical suitable
Sequence tight clamping screw eventually；Loophole at negative pressure pipeline section is repaired, and the air and moisture outside pipe, which cannot be introduced into flue, to be made
At corrosion；As shown in figure 5, the loophole at positive pressure pipeline section is also repaired, it is outer to personnel that the flue gas in pipe will not reveal outlet pipe
With environmental concerns；The time of pre-production steel flue gas duct telescopic compensator is deducted, online installation and maintenance only need less
Time, operating personnel took interim safeguard measure appropriate when installation and maintenance with regard to achievable, and whole process is not necessarily to flue gas system
Shutdown disposition is carried out, is not affected the normal production, it is higher to save manpower, physics and time, efficiency.
The present invention is suitable for the industrial production using steel smoke pipeline, in metallurgy, coking industry production corollary apparatus system
Steel smoke pipeline both can be used for the repairing of steel smoke pipeline and its telescopic joint, can also be directly as the flexible of steel flue
Compensator is installed and used.
Claims (7)
1. a kind of telescopic compensator for steel flue, it is characterised in that: including that can be set in telescopic joint two sides
Outer connector sleeve, interior connector sleeve outside steel flue, outer connector sleeve, interior connector sleeve one end have internal diameter and steel flue outer diameter phase
The mounting circular ring of adaptation, the other end are open end, and outer connector sleeve, interior connector sleeve cooperate socket to install in opposite directions by open end；It is interior
Connector sleeve outer surface is fixedly installed with inner shield ring close to the position of open end, and the end close to mounting circular ring is equipped with fixed spiral shell
Mother, being provided between outer connector sleeve and interior connector sleeve can be set in outside interior connector sleeve and can be along inside and outside connector sleeve gap
The outer retaining ring to axially move, is filled with filler between outer retaining ring, inner shield ring, outer retaining ring is connected to fixed spiral shell by clamping screw
Extruding packing seal space between outer connector sleeve, interior connector sleeve can be driven on mother and with clamping screw and fixture nut
It is interior；Outer connector sleeve and the axially opposite displacement minimum value of interior connector sleeve are the maximum compensation rate of former telescopic joint.
2. being used for the telescopic compensator of steel flue according to claim 1, it is characterised in that: the outer connector sleeve, interior company
The steel flue outer surface for being fixedly connected on telescopic joint two sides is respectively welded in female connector.
3. being used for the telescopic compensator of steel flue according to claim 1, it is characterised in that: the outer retaining ring radial width
It is slightly less than radial clearance between outer connector sleeve, interior connector sleeve.
4. being used for the telescopic compensator of steel flue according to claim 1, it is characterised in that: the outer connector sleeve, interior company
Female connector combines composition by upper and lower two parts semi-circular shape structure.
5. being used for the telescopic compensator of steel flue according to claim 4, it is characterised in that: the inner shield ring by welding respectively
Connect upper and lower two parts semicircle segmental arc combination structure in the upper and lower two parts semi-circular shape structural outer surface for being fixed on interior connector sleeve
At.
6. being used for the telescopic compensator of steel flue according to claim 1, it is characterised in that: the outer retaining ring is by multistage arc
The combination of shape section is constituted, and two clamping screws, the nut and pressure of interior connector sleeve outer surface installation are at least equipped on every section of segmental arc
Tight screw position is consistent with quantity, is uniformly arranged along the circumference.
7. being used for the telescopic compensator of steel flue according to claim 1, it is characterised in that: the filler is asbestos cord,
Asbestos cord filling quantity is no less than three circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820598452.8U CN208503750U (en) | 2018-04-25 | 2018-04-25 | A kind of telescopic compensator for steel flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820598452.8U CN208503750U (en) | 2018-04-25 | 2018-04-25 | A kind of telescopic compensator for steel flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503750U true CN208503750U (en) | 2019-02-15 |
Family
ID=65299089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820598452.8U Active CN208503750U (en) | 2018-04-25 | 2018-04-25 | A kind of telescopic compensator for steel flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503750U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488528A (en) * | 2018-04-25 | 2018-09-04 | 江苏苏亚迪炭材有限公司 | A kind of telescopic compensator for steel flue |
-
2018
- 2018-04-25 CN CN201820598452.8U patent/CN208503750U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488528A (en) * | 2018-04-25 | 2018-09-04 | 江苏苏亚迪炭材有限公司 | A kind of telescopic compensator for steel flue |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208503750U (en) | A kind of telescopic compensator for steel flue | |
| CN204284788U (en) | Chain pipe plugging fixture | |
| CN202853112U (en) | Well mouth crude oil heating system | |
| CN205938242U (en) | Double -wall pipe inner tube is to removable outer tube of interface welding seam department | |
| CN108488528A (en) | A kind of telescopic compensator for steel flue | |
| CN206862169U (en) | A kind of detachable shell and tube exchanger | |
| CN206694735U (en) | Spliced pipeline maintenance dedicated connecting sleeve | |
| CN201034227Y (en) | Novel rectangular compensator | |
| CN202092468U (en) | High-temperature ceramic soldering cooling gun | |
| CN204756275U (en) | Flue gas pipeline thermal energy compensation arrangement | |
| CN201141611Y (en) | Positive sealing and fixing type steam ash blower | |
| CN205877569U (en) | Online prosthetic devices of dry coke quenching high temperature metal expansion joint | |
| CN203240179U (en) | Telescopic compensator of novel structure | |
| CN201262476Y (en) | Convection chamber header box of pipe type heating stove | |
| CN211924578U (en) | Pressure protection device for mechanical seal cooling water | |
| CN106090512B (en) | A kind of method repaired online to high-temperature metal expansion joint | |
| CN104121444A (en) | Expansion joint | |
| CN201250791Y (en) | Water sealing system for gas compressor | |
| CN205781679U (en) | The online device for plugging of non-metal expansion joint | |
| CN216383613U (en) | Water and gas multichannel sequencing pipeline convenient to disassemble and assemble | |
| CN218435819U (en) | Rapid cooling device for temporary hot blast valve | |
| CN204854317U (en) | Sealing device of rotary kiln | |
| CN216479613U (en) | Maintenance and first-aid repair pipe clamp for ammonia refrigeration pipeline | |
| CN209084280U (en) | The online leak stopping structure of gas transmission pipeline | |
| CN208541925U (en) | A kind of deduster cylinder push-rod device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |