CN106499894A - A kind of pipeline spigot-and-socket connects sealing technology - Google Patents
A kind of pipeline spigot-and-socket connects sealing technology Download PDFInfo
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- CN106499894A CN106499894A CN201611024701.4A CN201611024701A CN106499894A CN 106499894 A CN106499894 A CN 106499894A CN 201611024701 A CN201611024701 A CN 201611024701A CN 106499894 A CN106499894 A CN 106499894A
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- Prior art keywords
- socket
- bellmouth
- grouting
- wall
- pipeline
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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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/10—Sleeveless joints between two pipes, one being introduced into the other
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/108—Special methods for making a non-metallic packing
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of pipeline spigot-and-socket connects sealing technology, solve the problems, such as that common pipeline spigot-and-socket Joining Technology sealing effectiveness is not good, its drip irrigation device is, the step of implementing cleaning → polishing → reinforcing → set rubber ring → punching → grouting → second consolidation → maintenance, the structural strength that bellmouth and socket are strengthened by rigid seal back-up coat, and then bellmouth and socket can bear bigger pressure, by adjacent rubber seal, the outer wall of the inwall and socket of bellmouth forms grouting cavity, so that elastic grouting material is sufficient filling with, bell and spigot is sealed after elastic grouting material solidification, reach the purpose that the sealing technology has preferable sealing effectiveness.
Description
Technical field
The present invention relates to the technical field of sealing technology of large-scale pipeline, more particularly to a kind of pipeline spigot-and-socket connection sealing technology.
Background technology
In a lot of municipal pipeline engineering, adopt a diameter of more than several meters of large-scale water transmission pipeline more, this large-scale defeated
Waterpipe after using the long period, either as pipeline quality, construction quality are unqualified, or directly break by foreign object strike
Bad, all can cause pipe leakage, this leakage can a large amount of waste water resources, therefore, the installation of pipeline and its sealing technology have
Huge using value.
The Chinese invention patent for now retrieving Publication No. CN104847984B discloses a kind of pipeline spigot-and-socket connection
Technique, the technique is：First, remove the foreign body of the first pipeline socket and second pipe spigot, then clean and eliminate rust until
The bellmouth and socket are smooth；2nd, the socket of second pipe is inserted in the bellmouth of the first pipeline, shape at the bell and spigot
Gap is circularized, caulking material is filled into bottom in annulus, lower seal is formed at bottom in the annulus after compacting；
3rd, by leak stopping spirit and water mix homogeneously, mixed material is obtained, mixed material is filled in annulus and is tamped, until will
Annulus is filled up, then to carrying out insulated curing process at bell and spigot, is formed after material solidification to be mixed in annulus
Sealing ring, that is, complete pipeline spigot-and-socket connection.
But, in step 3, during filling mixture material, as the two ends of annulus are open states, therefore, with
After filling a certain amount of mixed material, mixed material can be continuously leaked out from the both ends open of annulus.Accordingly, it is difficult to realize ring
Shape gap is filled and tamps, using a period of time after, easily again occur leakage accident.
Content of the invention
It is an object of the invention to provide a kind of pipeline spigot-and-socket connects sealing technology, have the advantages that preferable sealing effectiveness.
The present invention above-mentioned technical purpose technical scheme is that：A kind of pipeline spigot-and-socket connection sealing
Technique, comprises the following steps：Step one, cleaning：The foreign body of the spigot of the bellmouth and second pipe of the first pipeline is cleared up, and right
The outer wall of the inwall and socket of bellmouth is eliminated rust and is cleaned, until the outer wall of the inwall and socket of bellmouth is smooth；
Step 2, polishing：Hair side is polished with outer wall of the electric hand grinding machine along the inwall and socket of bellmouth；Step 3, reinforcing：In bellmouth
Inwall and the outer wall of socket brush nano microcrystalline material several times, and form rigid seal back-up coat；Step 4, set rubber
Circle：After rigid seal back-up coat is fully cured, two metal-rubber sealing rings are arranged in the outer wall of socket, the metal-rubber is close
Gap is left between seal, socket is inserted in bellmouth and makes metal-rubber sealing ring contact at the inwall of bellmouth, and in metal
Grouting cavity is formed between rubber seal；Step 5, punching：Several are bored in the outer wall of bellmouth to connect with grouting cavity and straight
Injected hole of the footpath for 13-14mm；Step 6, grouting：High-pressure grouting machine is connected with injected hole, and bullet is injected into grouting cavity
Property grouting material, until the full elasticity grouting material of dense packing effect in grouting cavity；Step 7, second consolidation：Outer wall brushing in bellmouth
Nano microcrystalline material, forms rigid reinforcing layer；Step 8, maintenance：The outer wall more than 24 hours that bellmouth is wrapped up with heat-preservation cotton, until
Elastic grouting material fully reacts and solidifies.
Soil, sewage and stone are referred mainly to by adopting foreign body in above-mentioned technical proposal, step one, by bellmouth and socket
After the foreign body cleaning at place, workmen is conducive to quickly to process bellmouth and socket to smooth state, municipal pipeline engineering
Aqueduct is generally two kinds of steel pipe and RPM, and therefore, the outer wall of the inwall and socket of bellmouth generally adheres to
There is rust, after rust is removed totally, be conducive to workmen below micro- in the outer wall brushing nanometer of the inwall and socket of bellmouth
Brilliant material；The outer wall of the inwall and socket of bellmouth is polished after hair side in step 2, be conducive to increasing coefficient of friction, Jin Erna
Rice micro crystal material is more firmly attached to the outer wall of the inwall and socket of bellmouth；Nano microcrystalline material structure in step 3 reaches
Nano grade, and fibrous molecule structure is formed, gloss is soft sparkling and crystal-clear, and lucuriant in design bright, the hard exquisiteness of quality does not absorb water anti-
Pollution, acid and alkali-resistance weathering resistance, quality are fine and close, and toughness is strong, therefore, not only increases the structural strength of bellmouth and socket,
Bigger pressure can be born in filling process, and with certain percolation-proof effect so as to sealing effectiveness is more preferably；Step
In four, the material of metal-rubber sealing ring is metal-rubber, and metal-rubber is a kind of elastic porous material of homogenizing, and which not only has
The standby elasticity of rubber, but also the good characteristic with metal, can to work at a temperature of -150-800 DEG C, meanwhile, may be used also
With pressure-bearing, possess the dual function of pressure-bearing and sealing within the specific limits, therefore, adjacent metal-rubber sealing ring, bellmouth
Inwall and socket outer wall formed grouting cavity, in filling process, metal-rubber sealing ring to elastic grouting material have resistance
Gear is acted on, and relative to common encapsulating method, the elastic grouting material of the design is difficult to ooze out from two ends, and then the bullet being in the milk in cavity
Property grouting material can be filled more preferably closely knit, with more preferably sealing effectiveness；A diameter of 13-14mm of the injected hole in step,
After compared with a diameter of several meters of aqueduct, injected hole is less to the intensity effect of bellmouth, and grouting is finished, elasticity is filled
Slurry is difficult to overflow from injected hole, with preferably sealing effectiveness；Elastic grouting material is injected after grouting cavity in step 6,
Elastic grouting material forms closely knit water impervious layer between the outer wall of the inwall and socket of bellmouth, with preferably sealing effectiveness；
Secondary reinforcement solutions are done to the outer wall nano microcrystalline material of bellmouth in step 7, and forms rigid reinforcing layer, be effectively increased and hold
The structural strength of mouth, increased the fastness at bell and spigot；In step 8, curing time needs more than 24 hours, to guarantee elasticity
Grouting material fully reacts and solidifies, but the temperature in evening is substantially low than the temperature on daytime, and heat-preservation cotton effectively reduces this
Day and night temperature, is conducive to elastic grouting material fully to react and solidify.In sum, the present invention has the excellent of preferable sealing effectiveness
Point.
In the preferred technical solution of the present invention, step one, the second pipe is steel pipe.
There is more preferably structural strength relative to RPM, therefore, have by adopting above-mentioned technical proposal, steel pipe
Effect increased the structural strength of bell and spigot, and effectively relatively low bell and spigot is extruded and has damaged probability, and safety is higher, during use
Between more long.
The preferred technical solution of the present invention, in step 2, is polished radially-inwardly at the edge of bellmouth with electric hand grinding machine
The inclined-plane of inclination.
The aperture area of bellmouth be increased by adopting above-mentioned technical proposal, inclined-plane, be conducive to socket rapid alignment and inserted
Enter bellmouth, accelerate installation effectiveness.
The preferred technical solution of the present invention, in step 3, nano microcrystalline material is mixed by nanometer leak stopping king and water.
By adopting above-mentioned technical proposal, nanometer leak stopping king refer to a kind of high-performance, collect inorganic, alkali-free, waterproof, protection against the tide,
, in the loss circulation material of one, characteristic is for cracking resistance, impervious, leak stopping:Quick solidification and density and intensity are all significantly larger than existing high standard
Number concrete, it can mix and stir one minute after in He Shui and start to solidify, the final set of three to four minutes, and comprcssive strength just can reach within one day
More than 25Mpa, therefore, the rigid seal back-up coat formed by nanometer leak stopping king and water has rapid condensation and structural strength high
Advantage.
The preferred technical solution of the present invention, in step 3, the number of times of brushing nano microcrystalline material is 6 times, and is layered brushing
Process.
By adopting above-mentioned technical proposal, brushing nano microcrystalline material is layered, is conducive to improving rigid seal back-up coat
Compaction rate, the present invention using 6 roads be layered brush technique, improve compaction rate on the basis of, also effectively prevent due to
Brushing number of times is excessive and causes rigid seal back-up coat blocked up problem, it is to avoid waste of material.
The preferred technical solution of the present invention, in step 4, is provided with for metal-rubber sealing ring inlay card in the outer wall of socket
Groove.
After by adopting above-mentioned technical proposal, metal-rubber sealing ring and being placed on the outer wall of socket, metal-rubber sealing ring
Laterally free degree is limited by groove, and then during socket insertion bellmouth, metal-rubber sealing ring is difficult due to friction
Power horizontal sliding on the outer wall of socket.
The preferred technical solution of the present invention, in step 5, is inserted into high pressure Water slop injector in injected hole.
By adopting above-mentioned technical proposal, high pressure Water slop injector is to compress solid principle using ring.Head is provided with unidirectional section
Only valve, can prevent serosity from falling to spray under high pressure pushing, it is to avoid elastic grouting material is wasted, while in filling process, Ke Yishi
When the certain grouting pressure of increase, so that the elastic grouting material in grouting cavity is more closely knit, with more preferably sealing effectiveness.
The preferred technical solution of the present invention, in step 5, the quantity of injected hole is 6, and is uniformly disposed circumferentially bellmouth
Outer wall.
By adopting above-mentioned technical proposal, multiple spot slip casting is realized by 6 injected holes being evenly arranged, effectively reduce bullet
Property grouting material be difficult to fill full irrigation starch cavity probability；Meanwhile, when the quantity of injected hole is more than 6, it is unfavorable for ensureing bellmouth
Structural strength, therefore, 6 injected holes effectively ensure that the fastness at bell and spigot.
The preferred technical solution of the present invention, in step 6, is to ensure that elastic grouting material fills up grouting cavity, and grouting pressure sets
For 1.5Mpa-3.0Mpa.
By adopting above-mentioned technical proposal, in filling process, due to elastic grouting material and the inwall and socket of bellmouth
There is certain frictional force, in the case where grouting pressure is less than 1.5Mpa between outer wall, it is difficult to guarantee that elastic grouting material is being filled
In slurry cavity, filling is closely knit；As metal-rubber sealing ring has certain deformability, in grouting pressure more than 3.0Mpa's
In the case of, metal-rubber sealing ring is susceptible to deformation, and then the cavity that is in the milk does not have sealing, is equally difficult to ensure that elastic grouting
Material is filled closely knit in grouting cavity.Therefore, the grouting pressure in the present invention is set to 1.5Mpa-3.0Mpa, is effectively increased elasticity
Compaction rate of the grouting material in grouting cavity, increases sealing effectiveness.
The preferred technical solution of the present invention, in step 7, the thickness of the rigid reinforcing layer is 8-12mm.
By adopting above-mentioned technical proposal, when the thickness of rigid reinforcing layer is less than 8mm, due to excessively thin, bellmouth is added
Gu effect is not obvious enough；When the thickness of rigid reinforcing layer is more than 12mm, due to being relatively large in diameter for bellmouth, and then the circumference of bellmouth
Longer, the material for using is accordingly more, high cost.Therefore, the thickness of rigid reinforcing layer of the invention is 8-12mm, not only has
There is the effect of reinforcement structure intensity, be also effectively saved cost.
In sum, the invention has the advantages that：Rigid seal back-up coat is attached to the inwall and socket of bellmouth
Outer wall, not only there is the effect of reinforcement structure intensity, while effectively prevent bellmouth and socket gets rusty, therefore, extend and hold
The service life of socket；Metal-rubber sealing ring not only has the effect of sealing grouting cavity, meanwhile, metal-rubber sealing ring is also
There is percolation-proof effect, further increase the sealing effectiveness of the present invention.
Description of the drawings
Fig. 1 is using pipe connecting structure schematic diagram after the present invention；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the process chart of the present invention.
Reference：1st, the first pipeline；11st, bellmouth；111st, injected hole；112nd, inclined-plane；2nd, second pipe；21st, socket；
211st, groove；3rd, rigid seal back-up coat；4th, metal-rubber sealing ring；5th, heat-preservation cotton；6th, high pressure Water slop injector；7th, rigid reinforcement
Layer；8th, be in the milk cavity.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and which is not limitation of the present invention, people in the art
Member can make the modification without creative contribution after this specification is read as needed to the present embodiment, but as long as at this
All protected by Patent Law in the right of invention.
Using the pipe connecting structure formed after following examples of the present invention as depicted in figs. 1 and 2.
Embodiment：A kind of pipeline spigot-and-socket connects sealing technology, comprises the following steps：
Pipeline water valve is closed, after pipe leakage point is determined, workmen, equipment and material quickly enter leak scene, if
For crane, electromotor, water pump, electric drill, cutting machine, electronic hand mill and high-pressure grouting machine etc. is included, in pipe leakage point
Place has excavated foundation ditch, and the surrounding in foundation ditch installs steel sheet pile, and steel sheet pile effectively prevents foundation pit collapse, so as to workmen's safety
Construction.
The sewage and sludge in foundation ditch is discharged with water pump, and takes out the stone in foundation ditch, cut off with cutting machine or direct
The pipeline for having damaged is taken out, and retains the first intact pipeline 1, in inside sand hill and the rapid hardening leak stopping of the first pipeline 1
Water-retaining cofferdam is built in agent by laying bricks or stones, to guarantee that the hydrops in the first pipeline 1 will not flow out and hinder workmen to construct.
Length according to the diameter and damage pipeline of the first pipeline 1 customizes corresponding second pipe 2, and second pipe 2 is concrete
For steel pipe, steel pipe has better structural strength, and the outer wall of the socket 21 of second pipe 2 is provided with two spacing for the recessed of 800mm
Groove 211, other embodiment further groove 211 can be 3,4 even more many, groove 211 is in toroidal.While bellmouth 11
Length of the length more than socket 21, so that socket 21 smoothly can be injected in bellmouth 11.
Foreign body at the socket 21 of the bellmouth 11 and second pipe 2 of clearing up the first pipeline 1 with steel brush, and in bellmouth 11
The outer wall of wall and socket 21 is eliminated rust and is cleaned, until the outer wall of the inwall and socket 21 of bellmouth 11 is smooth.
Further polished with electric hand grinding machine the outer wall of the inwall and socket 21 of bellmouth 11, not only further clean up bellmouth
The rust of the outer wall of 11 inwall and socket 21, while polishing hair side, increases the outer wall of the inwall and socket 21 of bellmouth 11
Coefficient of friction.Again with the edge of electric hand grinding machine polishing bellmouth 11, and then form the inclined-plane 112 for radially-inwardly inclining, inclined-plane 112
The aperture area of bellmouth 11 is increased, is conducive to 21 rapid alignment of socket and is inserted bellmouth 11, accelerate installation effectiveness.
It is 1 by nanometer leak stopping king and water according to weight ratio:0.5 ratio is sufficiently mixed and is formed nano microcrystalline material, then
Bellmouth 11 inwall and socket 21 outer wall layering repeatedly brush 6 nano microcrystalline materials, and then the inwall in bellmouth 11 and
The outer wall of socket 21 forms rigid seal back-up coat 3, and rigid seal back-up coat 3 is effectively increased bellmouth 11 and the structure of socket 21 is strong
Degree, while also have rust inhibition.
After being fully cured Deng rigid seal back-up coat 3, outer wall that two metal-rubber sealing rings 4 are placed on socket 21,
And stick in groove 211, then sling second pipe 2 by crane, and the socket 21 at 2 two ends of second pipe is sequentially inserted into holds
In mouth 11, during insertion, a small amount of vaseline can be smeared in the outer wall of the inwall of bellmouth 11 and socket 21, fast to realize
The purpose that speed is plugged together, groove 211 effectively prevent horizontal sliding on the outer wall of 4 socket 21 of metal-rubber sealing ring, while metal rubber
The outer wall of glue sealing ring 4 contacts at the inwall of bellmouth 11（As the thickness of rigid seal back-up coat 3 is relative to a diameter of several meters
Bellmouth 11 is compared less, and on macroscopic perspective, metal-rubber sealing ring 4 contacts at 11 inwall of bellmouth）, and then two metal rubbers
The outer wall of glue sealing ring 4, the inwall of bellmouth 11 and socket 21 surrounds grouting cavity 8.
Pass through injected hole 111 of the electric drill in outer wall 6 a diameter of 14mm of brill of bellmouth 11, in other embodiment, slip casting again
The quantity in hole 111 can suitably be reduced or be increased, and the diameter of injected hole 111 can be 13mm or 13.5mm, and injected hole 111 is equal
The even outer wall for being arranged in bellmouth 11, and injected hole 111 connected with grouting cavity 8, then is inserted into high pressure to each 111 hole of injected hole
Water slop injector 6, a diameter of 13mm of most of high pressure Water slop injector 6 on market, and be to compress solid principle using ring, head sets
There is unidirectional stop valve, can prevent serosity from falling to spray under high pressure pushing, it is to avoid elastic grouting material is wasted, while in filling process
In, can suitably increase certain grouting pressure, so that the elastic grouting material in grouting cavity 8 is more closely knit, with more preferably
Sealing effectiveness.
After adding the raw material of elastic grouting material in high-pressure grouting machine, formed after which is sufficiently mixed empty for sealing grouting
The elastic grouting material in chamber 8, the grouting nozzle of high-pressure grouting machine is aligned and is fixed on the import of high pressure Water slop injector 6, from the bottom to top
Successively to the elastic grouting material of injection in grouting cavity 8, while grouting pressure is set to 2Mpa, in other embodiment, grouting pressure
Power can be 1.5Mpa, 1.8Mpa, 2.2Mpa, 2.5Mpa, 2.8Mpa or 3.0Mpa, until elastic grouting material filling full irrigation slurry
Cavity 8.
Outer wall in bellmouth 11 brushes multiple nano microcrystalline material repeatedly again, and the outer wall formation thickness in bellmouth 11 is
The rigid reinforcing layer 7 of 10mm, in other embodiment, the thickness of rigid reinforcing layer 7 is 8mm, 9mm, 11mm or 12mm, rigidly adds
Gu layer 7 effectively strengthens the structural strength of bellmouth 11.
After rigid reinforcing layer 7 is fully cured, the outer wall 24 hours that wraps up bellmouth 11 with heat-preservation cotton 5, until grouting cavity 8
Interior elastic grouting material fully reacts and solidifies, and heat-preservation cotton 5 effectively prevent the excessive impact to elastic grouting material of day and night temperature,
So that the elastic grouting material after solidification has more preferably sealing effectiveness.
After removing heat-preservation cotton 5, remove steel sheet pile and other equipment successively, and backfill is inserted to foundation ditch, and be layered rammer
Real.
The present embodiment is only presented in pipeline engineering the secondary seal processing scheme after there is leakage accident, in other enforcements
In in the process of pipe laying just using the sealing technology, but cleaning → polishing → reinforcing → set rubber can be included all the time
Eight steps of circle → punching → grouting → second consolidation → maintenance, so that pipeline socket has more preferably sealing effectiveness.
Claims (10)
1. a kind of pipeline spigot-and-socket connects sealing technology, it is characterised in that comprise the following steps：
Step one, cleaning：The foreign body at socket (21) place of the bellmouth (11) and second pipe (2) of the first pipeline (1) is cleared up, and right
The outer wall of the inwall of bellmouth (11) and socket (21) is eliminated rust and is cleaned, until the inwall and socket (21) of bellmouth (11)
Outer wall is smooth；
Step 2, polishing：Hair side is polished with outer wall of the electric hand grinding machine along the inwall and socket (21) of bellmouth (11)；
Step 3, reinforcing：Several times nano microcrystalline material, and shape are brushed in the outer wall of the inwall and socket (21) of bellmouth (11)
Into rigid seal back-up coat (3)；
Step 4, set rubber ring：After rigid seal back-up coat (3) is fully cured, two metals are arranged in the outer wall of socket (21)
Rubber seal (4), leaves gap between metal-rubber sealing ring (4), socket (21) is inserted in bellmouth (11) and is made
Metal-rubber sealing ring (4) contacts at the inwall of bellmouth (11), and forms grouting cavity between metal-rubber sealing ring (4)
(8)；
Step 5, punching：The outer wall of bellmouth (11) bore several with grouting cavity (8) connect and a diameter of 13-14mm note
Slurry hole (111)；
Step 6, grouting：High-pressure grouting machine is connected with injected hole (111), and to injection elasticity grouting in grouting cavity (8)
Material, until the full elasticity grouting material of the interior dense packing effect of grouting cavity (8)；
Step 7, second consolidation：In the outer wall brushing nano microcrystalline material of bellmouth (11), rigid reinforcing layer is formed（7）；
Step 8, maintenance：Rigid reinforcing layer（7）After being fully cured, with heat-preservation cotton (5) wrap up the outer wall 24 hours of bellmouth (11) with
On, until elastic grouting material fully reacts and solidifies.
2. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step one, and described the
Two pipelines (2) are steel pipe.
3. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 2, with electronic
Hand mill polish the inclined-plane (112) for radially-inwardly inclining at the edge of bellmouth (11).
4. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 3, nanometer is micro-
Brilliant material is mixed by nanometer leak stopping king and water.
5. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 3, brushing is received
The number of times of rice micro crystal material is 6 times, and is layered brushing process.
6. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 4, in socket
(21) outer wall is provided with the groove (211) for metal-rubber sealing ring (4) inlay card.
7. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 5, in slip casting
Hole (111) is inserted into high pressure Water slop injector (6).
8. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 5, injected hole
(111) quantity is 6, and is uniformly disposed circumferentially the outer wall of bellmouth (11).
9. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 6, be guarantee
Elastic grouting material fills up grouting cavity (8), and grouting pressure is set to 1.5Mpa-3.0Mpa.
10. a kind of pipeline spigot-and-socket according to claim 1 connects sealing technology, it is characterised in that in step 7, described firm
Property back-up coat（7）Thickness be 8-12mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024701.4A CN106499894B (en) | 2016-11-15 | 2016-11-15 | A kind of pipeline spigot-and-socket connects sealing technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024701.4A CN106499894B (en) | 2016-11-15 | 2016-11-15 | A kind of pipeline spigot-and-socket connects sealing technology |
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| Publication Number | Publication Date |
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| CN106499894A true CN106499894A (en) | 2017-03-15 |
| CN106499894B CN106499894B (en) | 2018-06-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104127208A (en) * | 2013-05-03 | 2014-11-05 | 柯惠Lp公司 | Method for sealing a reusable electrical surgical instrument |
| CN109340477A (en) * | 2018-11-27 | 2019-02-15 | 中国能源建设集团广东省电力设计研究院有限公司 | For the connection structure of sea water conveying pipelines, salt water system and pipe connecting method |
| CN112145827A (en) * | 2020-08-12 | 2020-12-29 | 迪尔集团有限公司 | High-pressure pipeline rapid construction connecting method and pipeline assembly with high-pressure pipeline |
| CN115505407A (en) * | 2022-10-31 | 2022-12-23 | 本溪北营钢铁（集团）股份有限公司 | Method for enhancing sealing effect of coke oven ascending pipe socket |
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| CN104127208A (en) * | 2013-05-03 | 2014-11-05 | 柯惠Lp公司 | Method for sealing a reusable electrical surgical instrument |
| CN104127208B (en) * | 2013-05-03 | 2019-06-04 | 柯惠Lp公司 | Method for sealing reusable electrical surgical instrument |
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| CN112145827A (en) * | 2020-08-12 | 2020-12-29 | 迪尔集团有限公司 | High-pressure pipeline rapid construction connecting method and pipeline assembly with high-pressure pipeline |
| CN115505407A (en) * | 2022-10-31 | 2022-12-23 | 本溪北营钢铁（集团）股份有限公司 | Method for enhancing sealing effect of coke oven ascending pipe socket |
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