CN103629474B - For repairing the restorative procedure connecting aqueduct of impaired cast iron fire protection pipeline - Google Patents
For repairing the restorative procedure connecting aqueduct of impaired cast iron fire protection pipeline Download PDFInfo
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- CN103629474B CN103629474B CN201210297260.0A CN201210297260A CN103629474B CN 103629474 B CN103629474 B CN 103629474B CN 201210297260 A CN201210297260 A CN 201210297260A CN 103629474 B CN103629474 B CN 103629474B
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- Prior art keywords
- pipe
- fire protection
- intervalve
- cast iron
- protection pipeline
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- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 37
- 230000001771 impaired effect Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 235000004869 Tussilago farfara Nutrition 0.000 claims abstract description 20
- 240000000377 Tussilago farfara Species 0.000 claims abstract description 20
- 239000010425 asbestos Substances 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 7
- 229910052895 riebeckite Inorganic materials 0.000 claims description 7
- 210000003041 ligament Anatomy 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 5
- 230000002335 preservative effect Effects 0.000 claims description 5
- 239000004927 clay Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 241000208202 Linaceae Species 0.000 description 2
- 235000004431 Linum usitatissimum Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sink And Installation For Waste Water (AREA)
- Pipe Accessories (AREA)
Abstract
A kind of connection aqueduct for repairing impaired cast iron fire protection pipeline, including replacing end pipe (2), Horse hoof curved (3) and replacement intervalve (4), it is characterised in that: described replacement end pipe (2) is inserted in outside two ports after damaged pipe cuts off respectively；The two ends of described replacement intervalve (4) are welded and fixed with replacing end pipe (2) by Horse hoof curved (3) respectively, and install plug (5) in the underface replacing intervalve (4).The present invention for repair the connection aqueduct of impaired cast iron fire protection pipeline and restorative procedure to have connection aqueduct structure simple, easy to make, in drainage pipe, back water solves and produces water pressure in interface construction period pipeline and have water cannot beat the technical barrier of mouth and ensure fire protection pipeline recovery project quality, safe and reliable, the advantage obtaining 100% qualification rate effect.
Description
Technical field
The present invention relates to a kind of damaged pipe restorative procedure, specifically, be a kind of for
Repair connection aqueduct and the restorative procedure thereof of impaired cast iron fire protection pipeline.
Background technology
The existing fire fighting device of Baosteel plant area builds up about the most about 30 years, and mostly is cast iron pipe
Road (intensity is high, poor toughness), uses majority the most aging through for many years.Work progress often has
There is the situation of fire protection pipeline fracture, and fire valve cannot completely close, repairing construction
Extremely difficult.Water in fracture pipeline need to be cut by conventional cast iron fire protection pipeline restorative procedure completely
Disconnected, the pipeline damaged is repaired in excavation underground valve region, thereby results in environmental disruption, and
Producing higher rehabilitation expense, in especially those damage pipeline, back water cannot be completely cut off
Situation then causes the awkward situation that cannot repair.
The most known cast iron fire protection pipeline restorative procedure also exists above-mentioned all inconvenience and asks
Topic.
Summary of the invention
The purpose of the present invention, be to propose a kind of make fire extinguisher canvas hose in the back water that cannot dam
Derive the connection aqueduct for repairing impaired cast iron fire protection pipeline of pipeline.
It is another object of the present invention to propose a kind of make fire extinguisher canvas hose in cannot dam
Back water derives repairing of the connection aqueduct for repairing impaired cast iron fire protection pipeline of pipeline
Compound recipe method.
For achieving the above object, the technical solution of the present invention is:
A kind of connection aqueduct for repairing impaired cast iron fire protection pipeline, including replacing end
Pipe, Horse hoof is curved and replaces intervalve, it is characterised in that:
Described replacement end pipe is inserted in outside two ports after damaged pipe cuts off respectively；
The two ends of described replacement intervalve are fixed with replacement end sealing of tube by Horse hoof is curved respectively,
And in the underface replacing intervalve, plug is installed.
The connection aqueduct being used for repairing impaired cast iron fire protection pipeline of the present invention can also be adopted
Realize further by following technical measures.
It is previously described for repairing the connection aqueduct of impaired cast iron fire protection pipeline, wherein said
Replacing end pipe, curved and replacement intervalve the material of Horse hoof is seamless steel pipe.
It is previously described for repairing the connection aqueduct of impaired cast iron fire protection pipeline, wherein said
The length replacing end pipe can determine according to piping failure degree to be repaired.
It is previously described for repairing the connection aqueduct of impaired cast iron fire protection pipeline, wherein said
Replace the diameter big more than the 20mm of diameter than impaired cast iron fire protection pipeline of end pipe.
It is previously described for repairing the connection aqueduct of impaired cast iron fire protection pipeline, wherein said
Horse hoof is curved is that 30 degree of Horse hoofs are curved.
It is previously described for repairing the connection aqueduct of impaired cast iron fire protection pipeline, wherein said
The diameter of plug can determine according to the back water flow in impaired cast iron fire protection pipeline.
A kind of restorative procedure connecting aqueduct for repairing impaired cast iron fire protection pipeline, its
It is characterised by comprising the following steps:
A, by pipeline undamaged portion cut off；
Outside b, port at pipe cutting, each set unification is replaced an end pipe and is formed a socket joint and connect；
C, the molectron of making replacement intervalve
It is respectively welded Horse hoof at replacement intervalve two ends curved, and replaces the underface of intervalve
Plug is installed and makes the molectron replacing intervalve；
D, erecting and welding replace the molectron of intervalve
The curved erecting and welding of Horse hoof at the molectron two ends of intervalve will be replaced to replacing end pipe；
E, socket joint are connected by the conventional measure of asbestos cement interface
F, use Clay coating mouth of pipe maintenance or often water moistening, at least maintenance 24 hours
Rear pressure testing；
Colophonium preservative treatment is carried out before g, backfill
The Colophonium preservative treatment connecting aqueduct is carried out before backfill.
The reparation side connecting aqueduct for repairing impaired cast iron fire protection pipeline of the present invention
Method can also be further achieved by the following technical measures.
Aforesaid method, in wherein said step b, replaces end pipe with burst pipe socket joint even
To in pipe in pipe to be reached in connecing, make ligament uniform.
Aforesaid method, wherein replaces the ligament that end pipe is connected with burst pipe socket joint
≥10mm。
Aforesaid method, in wherein said step f, before pressure testing, plug is held open state.
Using after technique scheme, being used for of the present invention repairs impaired cast iron fire protection pipeline
Connection aqueduct and restorative procedure have the advantage that
1, connecting aqueduct structure simple, easy to make, in drainage pipe, back water solves
Produce water pressure in interface construction period pipeline and have the water cannot to beat the technical barrier of mouth；
2, fire protection pipeline recovery project quality safety reliably obtains 100% qualification rate effect.
Accompanying drawing explanation
Fig. 1 is the connection aqueduct installment state schematic diagram of the embodiment of the present invention.
In figure: 1 burst pipe, 2 replace end pipe, and 330 degree of Horse hoofs are curved, and 4 replace intervalve
Road, 5 plugs.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
Embodiment 1
A kind of connection aqueduct for repairing impaired cast iron fire protection pipeline
Fig. 1 is the connection aqueduct installment state schematic diagram of the embodiment of the present invention.As it can be seen,
Described replacement end pipe 2 is inserted in outside two ports after impaired burst pipe 1 is cut off respectively；
The two ends of described replacement intervalve 4 are welded with replacing end pipe 2 by Horse hoof curved 3 respectively
Fixing, and in the underface replacing intervalve 4, plug 5 is installed, wherein: described replacement end
Pipe 2, Horse hoof curved 3 and the material replacing intervalve 4 are seamless steel pipes；Described replacement end pipe
The length of 2 can determine according to piping failure degree to be repaired；The diameter of described replacement end pipe 2
Big more than the 20mm of diameter than impaired cast iron fire protection pipeline；Described Horse hoof curved 3 is 30 degree
Horse hoof is curved；The size of described plug 5 can residual according in impaired cast iron fire protection pipeline
Discharge determines.
Embodiment 2
A kind of connection aqueduct restorative procedure for repairing impaired cast iron fire protection pipeline
The local environment of impaired cast iron fire protection pipeline
In seamless steel tubing mill's discharge of wastewater Introduction of The Comprehensive Regulating Works (bid section 1) waste water oil interceptor work
Cheng Zhong, waste water oil interceptor is positioned at Baosteel plant area Woof five road without three crossings, tunnel, north neighbour's 9# sewage
Pound station is other, the adjacent fire water pipeline in south, north-south clear distance only 8.5m.Waste water oil interceptor north and south
To width 7.3m, buried depth-6.000m, according to on-site actual situations, south and north flanks can only
Use steel sheet pile supporting, support is set being positioned at-2.000m place interval 6m；Thing both sides
1:1 bis-grades puts slope excavation.The outer span fire protection pipeline outer wall only 200mm of southern side steel sheet pile.
Construction period (on May 30,1 day to 2012 April in 2012), this fire protection pipeline because of
Lateral soil body extrusion fracture 2 times.
This fire protection pipeline breaking part is positioned at without at three crossings, Woof five road, tunnel；Valve is positioned at Woof five road
Side, the valve degree of depth about-2.000m, valve numbering D-18.This valve cannot completely close.
According to Baosteel plant area relevant regulations, fire protection pipeline fracture must be repaired in 48 hours.
Traditional cast iron pipe rehabilitation technology is used to carry out the reparation of this fire protection pipeline, it is necessary to by valve
Region is excavated to the foreign material such as the valve place degree of depth, cleaning mud, completely closes valve.If
Use this way: first, Woof five road be Baosteel major trunk roads, valve region next-door neighbour Hu Chang river,
Periphery is more than 20 years pinasters of the age of tree, does not possess excavation condition；Second, the engineering time
Certainly will extend；3rd, increase the correlative charges that valve region excavates and recovers.
Repairing of the connection aqueduct for repairing impaired cast iron fire protection pipeline of the application present invention
The preparation process of compound recipe method:
Utilize the DH55 type digging machine excavation fire protection pipeline region of fracture extremely-1.700m ,-
Below 1.700m earthing uses hand excavation extremely-2.500m, it is ensured that fire protection pipeline minimum point
Away from the working place having at least 300mm at the bottom of foundation ditch.300*300*300 collection is set in foundation ditch
Puddle, utilizes water pump to draw water at any time, it is ensured that be dried in foundation ditch before pressure testing.
Repairing of the connection aqueduct for repairing impaired cast iron fire protection pipeline of the application present invention
The concrete measure of compound recipe method comprises the following steps:
A, pipeline undamaged portion is cut off, remove socket joint connector inner burr, dirt and mud
The foreign material such as soil, check cast iron pipe and connecting tube, it is ensured that tubing flawless and other defect.
Outside b, port at pipe cutting, each set unification is replaced an end pipe 2 and is formed socket joint even
Connect；Replace a length of 300mm of end pipe 2.Replace end pipe 2 with burst pipe 1 socket joint even
To in pipe in pipe to be reached in connecing, make ligament uniform, replace end pipe 2 and burst pipe 1
The ligament that socket joint connects is 10mm.
C, the molectron of making replacement intervalve 4
It is respectively welded Horse hoof curved 3 replacing intervalve 4 two ends, and replaces intervalve 4
Underface is installed plug 5 and is made the molectron replacing intervalve 4；Wherein replace intervalve 4
Length 300mm, Horse hoof curved 3 is that 30 degree of Horse hoofs are curved, length 100mm, plug 5 diameter
50mm。
D, erecting and welding replace the molectron of intervalve 4
Curved 3 erecting and welding of Horse hoof at the molectron two ends of intervalve 4 will be replaced to replacing end pipe
2。
E, socket joint are connected by the conventional measure of asbestos cement interface, comprise the following steps:
1) buy oil fiber crops: flax silk twists into diameter than mouth of pipe gap big 1.5 times, and length compares pipe
The solid flax silk stock of cylindrical length 100～150mm squeezes in gap a few, accounts for whole connecing
The 1/3 of the mouth degree of depth.
2) breaking asbestos cement: the label of cement should be not less than 425#, asbestos wool should be greater than four
Level.Asbestos are 3:7 (weight ratio) with the ratio of cement, after stirring, add gross weight
10～the water of 15%, it is kneaded into damp state, can pinch with hands agglomerating, i.e. dissipate with throwing away and just can make
With.Asbestos cement layered tamping, and beat with hand hammer, " three the fill out six dozens " method of employing is executed
Work, the most often fills out one layer of ash and beats real twice, fill out three times altogether.Mixture must be used in 1 hour
Complete, residue is abandoned.Finally fill up and beat in fact to smooth surface, in iron cyan.
F, use Clay coating mouth of pipe maintenance or often water moistening, at least maintenance 24 hours
Rear pressure testing, before pressure testing, plug 5 is held open state.
Colophonium preservative treatment is carried out before g, backfill
The Colophonium preservative treatment connecting aqueduct is carried out before backfill.
Connection aqueduct and the reparation thereof for repairing impaired cast iron fire protection pipeline of the present invention
Method by the improvement to cast iron fire protection pipeline recovery technique, back water in drainage pipe, solve
Interface construction period pipeline of having determined is interior produces water pressure and the technology difficulty having water cannot beat mouth
Topic, it is ensured that interface construction quality.Application enhancements technology respectively and original technology are being repaiied
The repairing effect contrast of multiple fire protection pipeline, the fire protection pipeline that application enhancements technology is repaired,
Qualification rate is 100%.
Above example is used for illustrative purposes only, rather than limitation of the present invention, relevant
Those skilled in the art, without departing from the spirit and scope of the present invention,
Various conversion or change can also be made.Therefore, the technical scheme of all equivalents also should
Belong to scope of the invention, should be limited by each claim.
Claims (4)
1. the restorative procedure connecting aqueduct being used for repairing impaired cast iron fire protection pipeline, it is characterised in that comprise the following steps:
A, by pipeline undamaged portion cut off；
Outside b, port at pipe cutting, each set unification is replaced end pipe (2) and is formed a socket joint and connect；
C, the molectron of making replacement intervalve (4)；
It is respectively welded Horse hoof curved (3) replacing intervalve (4) two ends, and makes the molectron replacing intervalve (4) in underface installation plug (5) replacing intervalve (4)；
D, erecting and welding replace the molectron of intervalve (4)；
Horse hoof curved (3) erecting and welding at the molectron two ends of intervalve (4) will be replaced to replacing end pipe (2)；
E, socket joint are connected by the conventional measure of asbestos cement interface；
F, use Clay coating mouth of pipe maintenance or often water moistening, at least pressure testing after maintenance 24 hours；
Carry out, before g, backfill, the Colophonium preservative treatment connecting aqueduct.
2. the restorative procedure connecting aqueduct for repairing impaired cast iron fire protection pipeline as claimed in claim 1, it is characterised in that in described step b, replaces during end pipe (2) is connected with burst pipe (1) socket joint in pipe to be reached in pipe, makes ligament uniform.
3. the restorative procedure connecting aqueduct for repairing impaired cast iron fire protection pipeline as claimed in claim 2, it is characterised in that replace ligament >=10mm that end pipe (2) is connected with burst pipe (1) socket joint.
4. the restorative procedure connecting aqueduct for repairing impaired cast iron fire protection pipeline as claimed in claim 1, it is characterised in that in described step f, plug (5) is held open state before pressure testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297260.0A CN103629474B (en) | 2012-08-21 | 2012-08-21 | For repairing the restorative procedure connecting aqueduct of impaired cast iron fire protection pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297260.0A CN103629474B (en) | 2012-08-21 | 2012-08-21 | For repairing the restorative procedure connecting aqueduct of impaired cast iron fire protection pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629474A CN103629474A (en) | 2014-03-12 |
| CN103629474B true CN103629474B (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210297260.0A Active CN103629474B (en) | 2012-08-21 | 2012-08-21 | For repairing the restorative procedure connecting aqueduct of impaired cast iron fire protection pipeline |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114350B (en) * | 2018-08-27 | 2020-10-09 | 中国石油天然气股份有限公司 | Construction method for repairing glass fiber reinforced plastic pipe |
| CN109237201A (en) * | 2018-12-03 | 2019-01-18 | 天津城建大学 | The quick obturator of pipeline |
| CN110185882B (en) * | 2019-05-10 | 2020-05-26 | 江苏恒达工程检测有限公司 | Method for quickly replacing pipeline for minimally invasive repair of underground drainage pipeline |
| CN111322485B (en) * | 2020-02-07 | 2021-06-29 | 江苏森海管业有限公司 | Pipe repair device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851799Y (en) * | 2005-09-23 | 2006-12-27 | 常州宝硕宏图塑胶有限公司 | Quick leak-stopping joint for pipeline |
| CN201487472U (en) * | 2009-08-25 | 2010-05-26 | 上海理工大学 | Metal Thin Wall Ruptured Pipe Quick Repair Fittings |
| CN101846225A (en) * | 2010-06-03 | 2010-09-29 | 浙江中财管道科技股份有限公司 | Energy dissipator for architectural drainage system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB586226A (en) * | 1944-12-18 | 1947-03-11 | Thomas Nicholas Young | Apparatus for temporarily stopping pipes |
| US4357960A (en) * | 1977-03-24 | 1982-11-09 | Arthur S. Bittinger | Plumbing method and composition for use in same |
| CN100335836C (en) * | 2004-11-12 | 2007-09-05 | 广东联塑科技实业有限公司 | Damaged pipeline repairing apparatus and method thereof |
| CN200989509Y (en) * | 2006-08-29 | 2007-12-12 | 李志芳 | Spigot-and-socket multifunction fast urgent repair device |
| CN101701658A (en) * | 2009-11-20 | 2010-05-05 | 陈建军 | Pipeline urgent repair device |
-
2012
- 2012-08-21 CN CN201210297260.0A patent/CN103629474B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2851799Y (en) * | 2005-09-23 | 2006-12-27 | 常州宝硕宏图塑胶有限公司 | Quick leak-stopping joint for pipeline |
| CN201487472U (en) * | 2009-08-25 | 2010-05-26 | 上海理工大学 | Metal Thin Wall Ruptured Pipe Quick Repair Fittings |
| CN101846225A (en) * | 2010-06-03 | 2010-09-29 | 浙江中财管道科技股份有限公司 | Energy dissipator for architectural drainage system |
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| CN103629474A (en) | 2014-03-12 |
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