CN106499894B - 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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- CN106499894B CN106499894B CN201611024701.4A CN201611024701A CN106499894B CN 106499894 B CN106499894 B CN 106499894B CN 201611024701 A CN201611024701 A CN 201611024701A CN 106499894 B CN106499894 B CN 106499894B
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- wall
- bellmouth
- socket
- grouting
- sealing technology
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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
Abstract
The invention discloses a kind of pipeline spigot-and-sockets to connect sealing technology, solve the problems, such as that common pipeline spigot-and-socket Joining Technology sealing effect is bad, its key points of the technical solution are that, the step of implementing cleaning → polishing → reinforcing → set rubber ring → punching → grouting → second consolidation → maintenance, the structural strength of bellmouth and socket is strengthened by rigid seal reinforcing layer, and then bellmouth and socket can bear bigger pressure, pass through adjacent rubber seal, the inner wall of bellmouth and the outer wall of socket form grouting cavity, so that elastic grouting material is sufficient filling with, elastic grouting material seals bell and spigot after curing, achieve the purpose that the sealing technology has preferable sealing effect.
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 many municipal pipeline engineering, mostly using a diameter of several meters or more of large-scale water transmission pipeline, this large size is defeated
Waterpipe is after the long period is used, and either due to pipeline quality, construction quality is unqualified or foreign object strike is directly broken
It is bad, can all cause pipe leakage, this leakage can a large amount of waste water resources, therefore, the installation of pipeline and its sealing technology have
Huge application value.
The Chinese invention patent for now retrieving a Publication No. CN104847984B discloses a kind of pipeline spigot-and-socket connection
Technique, the technique are：First, remove the foreign matter of first pipe socket and second pipe spigot, then clean and derust until
The bellmouth and socket are smooth；2nd, the socket of second pipe is inserted into the bellmouth of first pipe, the shape at bell and spigot
Gap is circularized, caulking material is filled into lower part in annulus, lower seal is formed at lower part in annulus after compacting；
3rd, leak stopping spirit and water are uniformly mixed, obtain mixed material, mixed material is filled into annulus and tamped, until will
Annulus is filled up, then to carrying out insulated curing processing at bell and spigot, is formed after material solidification to be mixed in annulus
Sealing ring completes pipeline spigot-and-socket connection.
But in step 3, during filling mixture material, since the both ends of annulus are open states, 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, and after a period of time, leakage accident easily occurs again.
The content of the invention
The object of the present invention is to provide a kind of pipeline spigot-and-sockets to connect sealing technology, has the advantages that preferable sealing effect.
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 1: cleaning：The foreign matter of the bellmouth of first pipe and the spigot of second pipe is cleared up, and it is right
The inner wall of bellmouth and the outer wall of socket are derusted and cleaned, until the inner wall of bellmouth and the outer wall of socket are smooth；
Step 2: polishing：With electric hand grinding machine hair side is polished along the inner wall of bellmouth and the outer wall of socket；Step 3: it reinforces：In bellmouth
Inner wall and the outer wall of socket brush nano microcrystalline material several times, and form rigid seal reinforcing layer；Step 4: set rubber
Circle：After rigid seal reinforcing layer 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, the inner wall that socket is inserted into bellmouth and metal-rubber sealing ring is made to contact at bellmouth, and in metal
Grouting cavity is formed between rubber seal；Step 5: punching：The outer wall of bellmouth bore several with grouting cavity connect and directly
Footpath is the injected hole of 13-14mm；Step 6: grouting：High-pressure grouting machine with injected hole is connected, and bullet is injected into grouting cavity
Property grouting material, until the full elastic grouting material of dense packing effect in grouting cavity；Step 7: second consolidation：In the outer wall brushing of bellmouth
Nano microcrystalline material forms rigid reinforcing layer；Step 8: maintenance：With heat-preservation cotton package bellmouth outer wall 24 it is small when more than, until
Elastic grouting material is fully reacted and cured.
By using above-mentioned technical proposal, foreign matter refers mainly to soil, sewage and stone in step 1, by bellmouth and socket
After the foreign matter cleaning at place, be conducive to construction personnel and quickly handle bellmouth and socket to smooth state, municipal pipeline engineering
Aqueduct is generally two kinds of steel pipe and FRP sand tube, and therefore, the inner wall of bellmouth and the outer wall of socket usually adhere to
There is iron rust, after iron rust is removed totally, it is micro- in the inner wall of bellmouth and the outer wall brushing nanometer of socket to be conducive to construction personnel below
Brilliant material；After the outer wall of the inner wall of bellmouth and socket is polished hair side in step 2, be conducive to increase coefficient of friction, Jin Erna
Rice micro crystal material is more firmly attached to the inner wall of bellmouth and the outer wall of socket；Nano microcrystalline material structure in step 3 reaches
Nano grade, and fibrous molecule structure is formed, gloss is soft sparkling and crystal-clear, lucuriant in design bright, and the hard exquisiteness of quality does not absorb water anti-
Pollution, acid and alkali-resistance weathering resistance, quality is fine and close, and toughness is strong, therefore, not only increases the structural strength of bellmouth and socket,
The pressure of bigger can be born in filling process, and with certain percolation-proof effect, makes its sealing effect more preferably；Step
The material of metal-rubber sealing ring is metal-rubber in four, and metal-rubber is a kind of elastic porous material of homogeneous, is not only had
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 double action of pressure-bearing and sealing, therefore, adjacent metal-rubber sealing ring, bellmouth within the specific limits
Inner wall and socket outer wall formed grouting cavity, in filling process, metal-rubber sealing ring to elastic grouting material have resistance
Gear acts on, and compared with common encapsulating method, the elastic grouting material of the design is difficult to ooze out from both ends, and then the bullet being in the milk in cavity
Property grouting material can fill more preferably closely knit, there is more preferably sealing effect；A diameter of 13-14mm of injected hole in step,
After compared with a diameter of several meters of aqueduct, injected hole is smaller to the intensity effect of bellmouth, and grouting finishes, elasticity fills
Slurry is not easy to overflow out of injected hole, has preferable sealing effect；After elastic grouting material is injected grouting cavity in step 6,
Elastic grouting material forms closely knit water impervious layer between the inner wall of bellmouth and the outer wall of socket, has preferably sealing effect；
Secondary reinforcement solutions are done with nano microcrystalline material to the outer wall of bellmouth in step 7, and form rigid reinforcing layer, is effectively increased and holds
The structural strength of mouth, adds the fastness at bell and spigot；More than when curing time needs 24 are small in step 8, to ensure elasticity
Grouting material is fully reacted and cured, but the temperature in evening is substantially lower than the temperature on daytime, and heat-preservation cotton effectively reduces this
Day and night temperature is conducive to elastic grouting material and fully reacts and cure.In conclusion the present invention has the excellent of preferable sealing effect
Point.
The preferred technical solution of the present invention, in step 1, the second pipe is steel pipe.
By using above-mentioned technical proposal, steel pipe has more preferably structural strength compared with FRP sand tube, therefore, has
Effect adds the structural strength of bell and spigot, and effectively relatively low bell and spigot, which is extruded, has damaged possibility, security higher, during use
Between more long.
The preferred technical solution of the present invention in step 2, is polished radially-inwardly with electric hand grinding machine at the edge of bellmouth
Inclined inclined-plane.
By using above-mentioned technical proposal, inclined-plane adds the opening area of bellmouth, is conducive to socket rapid alignment and inserts
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 using above-mentioned technical proposal, nanometer leak stopping king refer to a kind of high-performance, the inorganic, alkali-free of collection, waterproof, it is moisture-proof,
In the plugging 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 latter minute in He Shui and start to solidify, and three to four minutes final set, compression strength can reach within one day
More than 25Mpa is therefore, high with rapid condensation and structural strength by the rigid seal reinforcing layer that nanometer leak stopping king and water are formed
Advantage.
The preferred technical solution of the present invention, in step 3, the number of brushing nano microcrystalline material is 6 times, and is layered and brushes
Processing.
By using above-mentioned technical proposal, brushing nano microcrystalline material is layered, is conducive to improve rigid seal reinforcing layer
Compaction rate, the present invention using 6 layering brush techniques, on the basis of compaction rate is improved, also effectively prevent due to
The problem of brushing number excessively causes rigid seal reinforcing layer blocked up, avoid waste of material.
The preferred technical solution of the present invention in step 4, is provided in the outer wall of socket for metal-rubber sealing ring inlay card
Groove.
By using above-mentioned technical proposal, after metal-rubber sealing ring is placed on the outer wall of socket, metal-rubber sealing ring
Laterally free degree is limited be subject to groove, and then during socket is inserted into bellmouth, metal-rubber sealing ring is not easy 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 using above-mentioned technical proposal, high pressure Water slop injector is that solid principle is compressed using ring.Head is equipped with unidirectional cut
Only valve can prevent slurries from falling to spray under high pressure pushing, avoid elastic grouting material waste, while in filling process, Ke Yishi
When increasing certain grouting pressure, so that the elastic grouting material in grouting cavity is more closely knit, there is more preferably sealing effect.
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 using above-mentioned technical proposal, realize multiple spot slip casting by 6 injected holes being evenly arranged, effectively reduce bullet
Property grouting material be difficult to fill the possibility of full irrigation slurry cavity；Meanwhile the quantity of injected hole be more than 6 when, be unfavorable for ensure bellmouth
Structural strength, therefore, 6 injected holes effectively ensure the fastness at bell and spigot.
The preferred technical solution of the present invention, in step 6, to ensure that elastic grouting material fills up grouting cavity, grouting pressure is set
For 1.5Mpa-3.0Mpa.
By using above-mentioned technical proposal, in filling process, due to the inner wall and socket of elastic grouting material and bellmouth
There is certain frictional force, in the case where grouting pressure is less than 1.5Mpa, it is difficult to ensure that elastic grouting material is filling between outer wall
It is closely knit to starch filling in cavity；Since metal-rubber sealing ring has certain deformability, in grouting pressure more than 3.0Mpa's
In the case of, metal-rubber sealing ring easily deforms upon, and then the cavity that is in the milk does not have leakproofness, 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 effect.
The preferred technical solution of the present invention, in step 7, the thickness of the rigid reinforcing layer is 8-12mm.
By using 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 apparent 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 used is accordingly more, and cost is excessively high.Therefore, the thickness of rigid reinforcing layer of the invention is 8-12mm, is not only had
There is the effect of reinforcement structure intensity, be also effectively saved cost.
In conclusion the invention has the advantages that：Rigid seal reinforcing layer is attached to the inner wall and socket of bellmouth
Outer wall, therefore the effect not only with reinforcement structure intensity, while effectively prevent bellmouth and socket gets rusty, extends and holds
The service life of socket；Metal-rubber sealing ring not only plays an important role of sealing grouting cavity, meanwhile, metal-rubber sealing ring is also
With percolation-proof effect, sealing effect of the invention is further improved.
Description of the drawings
Fig. 1 is pipe connecting structure schematic diagram after applying the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the process flow chart of the present invention.
Reference numeral：1st, first pipe；11st, bellmouth；111st, injected hole；112nd, inclined-plane；2nd, second pipe；21st, socket；
211st, groove；3rd, rigid seal reinforcing layer；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 attached drawing.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention be subject to Patent Law.
Using the pipe connecting structure formed after following embodiment 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 definite pipe leakage point, construction personnel, equipment and material quickly enter leak and show
, equipment includes crane, generator, water pump, electric drill, cutting machine, electronic hand mill and high-pressure grouting machine etc., is leaked in pipeline
Foundation pit has been excavated at water spot, and steel sheet pile is installed in the surrounding of foundation pit, steel sheet pile effectively prevents foundation pit collapse, so as to construction personnel
Safe construction.
The sewage and sludge in foundation pit are discharged with water pump, and takes out the stone in foundation pit, with cutting machine excision or directly
The pipeline damaged is taken out, and retains intact first pipe 1, in the inside sand hill of first pipe 1 and rapid hardening leak stopping
Water-retaining cofferdam is built in agent by laying bricks or stones, to ensure that the ponding in first pipe 1 will not flow out and construction personnel is interfered to construct.
Corresponding second pipe 2 is customized according to the length of the diameter of first pipe 1 and damage pipeline, second pipe 2 is specific
For steel pipe, steel pipe has better structural strength, and it is the recessed of 800mm that the outer wall of the socket 21 of second pipe 2, which is opened there are two spacing,
Slot 211, other embodiment further groove 211 can be 3,4 it is even more, groove 211 be in annulus shape.While bellmouth 11
Length is more than the length of socket 21, so that socket 21 can be smoothly injected in bellmouth 11.
The foreign matter at the bellmouth 11 of first pipe 1 and the socket 21 of second pipe 2 is cleared up with steel brush, and in bellmouth 11
The outer wall of wall and socket 21 is derusted and cleaned, until the inner wall of bellmouth 11 and the outer wall of socket 21 are smooth.
It is further polished with electric hand grinding machine the inner wall of bellmouth 11 and the outer wall of socket 21, not only further cleans up bellmouth
The iron rust of 11 inner wall and the outer wall of socket 21, while polish hair side increases the inner wall of bellmouth 11 and the outer wall of socket 21
Coefficient of friction.The edge of electric hand grinding machine polishing bellmouth 11 is used again, and then forms radially-inwardly inclined inclined-plane 112, inclined-plane 112
The opening area of bellmouth 11 is added, be conducive to 21 rapid alignment of socket and is inserted into bellmouth 11, accelerates installation effectiveness.
According to weight ratio it is 1 by nanometer leak stopping king and water:0.5 ratio is sufficiently mixed and forms nano microcrystalline material, then
Bellmouth 11 inner wall and socket 21 outer wall layering repeatedly brush 6 nano microcrystalline materials, and then bellmouth 11 inner wall and
The outer wall of socket 21 forms rigid seal reinforcing layer 3, and rigid seal reinforcing layer 3 is effectively increased bellmouth 11 and the structure of socket 21 is strong
Degree, while also there is anti-rust action.
After grade rigid seals reinforcing layer 3 is fully cured, two metal-rubber sealing rings 4 are placed on to the outer wall of socket 21,
And stick into groove 211, then second pipe 2 is sling by crane, and the socket 21 at 2 both ends of second pipe is sequentially inserted into and is held
In mouth 11, during insertion, a small amount of vaseline can be smeared in the inner wall of bellmouth 11 and the outer wall of socket 21, it is fast to realize
The purpose that speed plugs 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 inner wall of bellmouth 11（Since the thickness of rigid seal reinforcing layer 3 is compared with a diameter of several meters
Bellmouth 11 is compared to smaller, and metal-rubber sealing ring 4 contacts at 11 inner wall of bellmouth on macroscopic perspective）, and then two metal rubbers
The outer wall of glue sealing ring 4, the inner wall of bellmouth 11 and socket 21 surrounds grouting cavity 8.
Bore the injected hole 111 of 6 a diameter of 14mm, in other embodiment, slip casting in the outer wall of bellmouth 11 by electric drill again
The quantity in hole 111 can suitably reduce that either to increase 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 is connected with grouting cavity 8, then it is inserted into high pressure into each 111 hole of injected hole
A diameter of 13mm of Water slop injector 6, in the market most of high pressure Water slop injector 6, and be that solid principle is compressed using ring, head is set
There is unidirectional stop valve, can prevent slurries from falling to spray under high pressure pushing, avoid elastic grouting material waste, while in filling process
In, it can suitably increase certain grouting pressure, so that the elastic grouting material in grouting cavity 8 is more closely knit, have more preferably
Sealing effect.
After the raw material of elastic grouting material is added in high-pressure grouting machine, formed after it is sufficiently mixed empty for sealing grouting
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 by the elastic grouting material of chamber 8
The elastic grouting material of injection into grouting cavity 8 successively, while grouting pressure is arranged 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 fills full irrigation slurry
Cavity 8.
Multiple nano microcrystalline material is brushed repeatedly in the outer wall of bellmouth 11 again, and is in the outer wall formation thickness of bellmouth 11
The rigid reinforcing layer 7 of 10mm, in other embodiment, the thickness of rigid reinforcing layer 7 is 8mm, 9mm, 11mm or 12mm, rigidity plus
Gu layer 7 effectively strengthens the structural strength of bellmouth 11.
After rigid reinforcing layer 7 is fully cured, with heat-preservation cotton 5 wrap up bellmouth 11 outer wall 24 it is small when, until grouting cavity 8
Interior elastic grouting material is fully reacted and cured, and heat-preservation cotton 5 effectively prevents the excessive influence to elastic grouting material of day and night temperature,
So that the elastic grouting material after curing has more preferably sealing effect.
After removing heat-preservation cotton 5, steel sheet pile and other equipment are removed successively, and inserts backfill to foundation pit, and are layered and are rammed
It is real.
The present embodiment is only presented in the secondary seal processing scheme occurred in pipeline engineering after leakage accident, in other implementations
In can pipe laying process just using the sealing technology, but include cleaning → polishing → reinforcing → set rubber always
Circle → punching → grouting → step of second consolidation → maintenance eight, so that pipeline socket has more preferably sealing effect.
Claims (10)
1. a kind of pipeline spigot-and-socket connects sealing technology, which is characterized in that comprises the following steps：
Step 1: cleaning：The foreign matter at the bellmouth (11) of first pipe (1) and the socket (21) of second pipe (2) is cleared up, and it is right
The inner wall of bellmouth (11) and the outer wall of socket (21) derusted and cleaned, until the inner wall of bellmouth (11) and socket (21)
Outer wall is smooth；
Step 2: polishing：With electric hand grinding machine hair side is polished along the inner wall of bellmouth (11) and the outer wall of socket (21)；
Step 3: it reinforces：Nano microcrystalline material several times, and shape are brushed in the inner wall of bellmouth (11) and the outer wall of socket (21)
Into rigid seal reinforcing layer (3)；
Step 4: set rubber ring：After rigid seal reinforcing layer (3) is fully cured, two metals are arranged in the outer wall of socket (21)
Rubber seal (4) leaves gap between the metal-rubber sealing ring (4), in socket (21) insertion bellmouth (11) and will make
Metal-rubber sealing ring (4) contacts at the inner wall of bellmouth (11), and grouting cavity is formed between metal-rubber sealing ring (4)
(8)；
Step 5: punching：Several are bored in the outer wall of bellmouth (11) to connect and the note of a diameter of 13-14mm with grouting cavity (8)
It starches hole (111)；
Step 6: grouting：High-pressure grouting machine is connected with injected hole (111), and the injection elasticity grouting into grouting cavity (8)
Material, until the full elastic grouting material of grouting cavity (8) interior dense packing effect；
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) package bellmouth (11) outer wall 24 it is small when with
On, until elastic grouting material is fully reacted and cured.
2. a kind of pipeline spigot-and-socket connection sealing technology according to claim 1, which is characterized in that in step 1, described the
Two pipelines (2) are steel pipe.
3. a kind of pipeline spigot-and-socket connection sealing technology according to claim 1, which is characterized in that in step 2, use is electronic
Hand mill polish radially-inwardly inclined inclined-plane (112) at the edge of bellmouth (11).
4. a kind of pipeline spigot-and-socket connection sealing technology according to claim 1, which is characterized 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 connection sealing technology according to claim 1, which is characterized in that in step 3, brushing is received
The number of rice micro crystal material is 6 times, and is layered brushing processing.
6. a kind of pipeline spigot-and-socket connection sealing technology according to claim 1, which is characterized 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 connection sealing technology according to claim 1, which is characterized in that in step 5, in slip casting
Insertion high pressure Water slop injector (6) in hole (111).
8. a kind of pipeline spigot-and-socket connection sealing technology according to claim 1, which is characterized 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 connection sealing technology according to claim 1, which is characterized in that in step 6, to ensure
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 connection sealing technology according to claim 1, which is characterized in that described firm in step 7
Property reinforcing layer（7）Thickness be 8-12mm.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499894A CN106499894A (en) | 2017-03-15 |
| CN106499894B true CN106499894B (en) | 2018-06-05 |
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| CN201611024701.4A Active CN106499894B (en) | 2016-11-15 | 2016-11-15 | A kind of pipeline spigot-and-socket connects sealing technology |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9015919B2 (en) * | 2013-05-03 | 2015-04-28 | Covidien Lp | Method for sealing a reusable electrical surgical instrument |
| CN109340477B (en) * | 2018-11-27 | 2021-02-09 | 中国能源建设集团广东省电力设计研究院有限公司 | Connecting structure for seawater conveying pipeline, seawater conveying system and pipeline 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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