CN108625457A - A kind of sewage deep sea emission engineering pipeline construction method - Google Patents
A kind of sewage deep sea emission engineering pipeline construction method Download PDFInfo
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- CN108625457A CN108625457A CN201810633585.9A CN201810633585A CN108625457A CN 108625457 A CN108625457 A CN 108625457A CN 201810633585 A CN201810633585 A CN 201810633585A CN 108625457 A CN108625457 A CN 108625457A
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- groove
- movable plate
- sliding groove
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000010276 construction Methods 0.000 title claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 50
- 239000000843 powder Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 8
- 230000036346 tooth eruption Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000035882 stress Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- -1 air-pressure tube Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipe Accessories (AREA)
Abstract
The invention belongs to sewage conduct technical field of construction, specifically a kind of sewage deep sea emission engineering pipeline construction method completes the working process of steel pipe, and installs screwed flange in steel tube end part on the coast first；Then, steel pipe is transported to construction site；Simultaneously guide pile is laid in seabed；Then, by lifting steel pipes to guide pile, and mobile steel pipe makes the screwed flange of adjacent steel tube end part be aligned and contacts；Later, two flanged joints are fastened using bolt；Finally, steel pipe is fixed on guide pile.The present invention is realized using the buoyancy of liquid in sewage conduct and blocks the screw thread position of bolt；Meanwhile, it is capable to be crushed to the sundries in liquid in pipeline, pipeline is avoided to block.
Description
Technical field
The invention belongs to sewage conduct technical field of construction, specifically a kind of sewage deep sea emission engineering pipeline construction
Method.
Background technology
Polluter smoking pipeline is the important component of city sewage treatment works, to improve the disposition of coastal cities sewage
Ability protects marine resources and environment, promotes the sustainable development of marine economy, mitigates pollution of the sewage to marine environment, dirty
Water pipe to sea is gradually developed to deep-sea from shallow sea.Deep-sea blow-off line is mated formation, and general mileage is long, and paving process difficulty is big.Mat formation
The selection of technique determines the success or failure of engineering construction.
Flange is the part being connected with each other between pipe and pipe, for the connection between pipe end.Perforation on flange, profit
Two flanges are made closely to connect with bolt, with liner sealing between flange.Screwed flange is the screw thread and band using hole machined in flange
The pipe of screw thread screw connection, need not welding, thus have the characteristics that facilitate installation, screwed flange is suitable for fire-fighting, coal gas, cold
Hot water, air-pressure tube, oil pipe, the industry such as hydraulic tube and the sealing of commercial tubes thread locking etc..Screwed flange in water in use, due to
The influence of ambient weather, easily by out-of-balance force or exciting force when, two flanges are rotated due to by moment loading, are deformed, and are made
Gap between the two is uneven, causes to reveal because of long-time unbalance stress to sealing ring occur, while in sewage conduct
It is susceptible to sundries accumulation, leads to line clogging, increases the cost of maintenance.
Invention content
In order to make up for the deficiencies of the prior art, a kind of sewage deep sea emission engineering pipeline construction method proposed by the present invention,
The screw thread position of bolt is blocked using the buoyancy realization of liquid in pipeline by the way that position-limiting unit is arranged in this method, to effectively
Ground prevent bolt be deformed because of force unbalance so as to cause poor sealing, improve the reliability of flanged joint；Together
When cooperating with each other by position-limiting unit and cutter unit, the sundries in liquid in sewage conduct is crushed, is avoided
Pipeline blocks.
The technical solution adopted by the present invention to solve the technical problems is：A kind of sewage deep sea emission work of the present invention
Journey pipeline construction method, this method comprises the following steps：
Step 1：The working process of steel pipe is completed on the coast, and screwed flange is installed in steel tube end part；
Step 2：After the completion of step 1, steel pipe is transported to construction site, while guide pile is laid in seabed；
Step 3：After guide pile is laid in step 2, by lifting steel pipes to guide pile, and mobile steel pipe make it is adjacent
The screwed flange of steel tube end part is aligned and contacts；
Step 4：In step 3 after the flange alignment of adjacent steel pipe, two flanged joints are fastened using bolt；
Step 5：After flange completes fastening by bolt in step 4, steel pipe is fixed on guide pile；
Screwed flange in the step 1 includes flange body, and the flange body is co-axially mounted group by inside and outside annulus
At the endoporus left end of flange body is provided with one section of pipe screw thread, and the sealing surface of flange body right side is convex surface, and flange body is remote
Circumferentially there is mounting hole in position from endoporus；Position-limiting unit, position-limiting unit profit are provided in the mounting hole of the flange body
It prevented bolt looseness with the liquid buoyancy in pipeline, fallen off；It is set on the outside of mounting hole on the right side of the flange body
It is equipped with toroidal cavity, flange body is provided with spring one and sealing ring in toroidal cavity；Described sealing ring one end passes through
Spring one is set in the toroidal cavity of flange body, and the sealing ring other end extends the toroidal cavity of flange body, and two
After realization installation is bolted in pairs of screwed flange, sealing ring is pressed between two screwed flanges, outer to prevent
The liquid on boundary is in direct contact with the sealing ring on internal sealing surface by the gap between two flanges, slows down the old of sealing ring
Change；Wherein,
The position-limiting unit includes limiting tooth, axis pin, driving lever and movable plate；The flange body is coaxial with mounting hole
Position is provided with mounting groove, and flange body is circumferentially provided with sliding slot, the position of sliding slot and installation in the radial direction in inner wall upper edge
The position of slot is corresponding, and sliding slot is located at the side of mounting groove, and sliding slot is communicated with mounting groove；The limiting tooth is hinged on by axis pin
In the mounting groove of flange body, limiting tooth is for blocking the threaded portion of bolt；It is inclined that described driving lever one end is fixed on limiting tooth
From on the position of axis pin；The movable plate is mounted in the sliding slot of flange body, the quantity of movable plate and the quantity phase of mounting groove
Together, position level coaxial with mounting hole on movable plate offers through-hole, and the diameter of through-hole is more than the diameter of mounting hole, movable plate
On around through-hole be circumferentially provided with arc groove, the driving lever other end on limiting tooth is located in the arc groove of movable plate, movable plate
Lower end extends to the endoporus of flange body.When work, movable plate radially moves out under the action of liquid buoyancy, moves
The movement progress driving lever of movable plate moves along the arc groove movement of plate, and to make limiting tooth rotate, limiting tooth is smoothly caught in
In the thread groove of bolt, so as to effectively avoid the loosening of bolt.
The limiting tooth is fluted in the setting of the position of the thread contact with bolt, and limiting tooth is provided with activity in groove
Tooth, movable teeth are mounted on by spring two in the groove of limiting tooth.Due to being between the thread groove of bolt and the plane of movable plate
One angle, when limiting tooth rotates, movable teeth is contacted with the threaded portion different location of bolt, and movable teeth can be to a certain degree
Upper movement can cause to damage to avoid movable teeth discontinuity.
The flange body is radially horizontally disposed on the side wall of toroidal cavity sliding groove one, sliding groove one
In being arranged circumferentially in flange body, sliding groove two, sliding groove are provided on the right side of flange body in the axial direction
Two communicate with sliding groove one；The sealing ring is being provided with the circular ring shape limit that section is triangle close to the side of sliding groove one
Slot；Sliding shoe one is provided in the sliding groove one, sliding shoe one is mounted on by spring three in sliding groove one, and sliding shoe is one by one
End is contacted with the circular ring shape limiting slot of sealing ring, and one other end of sliding shoe is being provided with wedge groove close to the side of sliding groove two；
The sliding groove two is provided with sliding groove two, and two one end of sliding groove is contacted with the wedge groove of sliding groove one, two other end of sliding groove
Extend sliding groove two.After two flanges are installed together by bolt, between occurring that stress is unstable and causing between two flanges
When gap is uneven, flange pushes to be moved in the circumferential toroidal cavity of sealing, and the movement of sealing ring makes the right side of the sliding shoe two from flange
End face stretch out, the flange of pairing is withstood, the out-of-balance force of flange being subject to is offset, avoid sealing ring because flange by
Power is uneven and reveals.
Accumulator tank is arranged in the screw thread flank of tooth of pipe screw thread in the flange body；Metal powder is stored in the accumulator tank
End, a diameter of 0.05um-0.1um of metal powder, accumulator tank is realized by protecting film in screw thread groove face and is blocked, and flange body is worked as
When being connected through a screw thread with pipe, protecting film can be squeezed and broken during threaded engagement, and push plate, metal powder are provided in accumulator tank
End can enter the threaded engagement position of flange and pipeline, to realize the closure in gap between screw thread, increase what screw thread screwed out
Resistance prevents from being threadedly coupled loosening；The push plate is mounted on by spring three in accumulator tank, and push plate is used for the gold in accumulator tank
Belong to powder to release.Realize that protecting film is squeezed and broken by screwing for screw thread, push plate during connection by screw thread in flange and pipeline
The metal powder in accumulator tank is squeezed out under the elastic force effect of spring three, metal powder enters in thread groove, to realize spiral shell
The closure in gap between line increases resistance when screw thread screws out, and is loosened to prevent from being threadedly coupled.
One end that the movable plate is located at flange body endoporus is provided with cutter unit；The cutter unit includes flexible
Bar, terminal pad, cutting cube, change and connecting rod, the telescopic rod quantity are moved in the same plane of flange body axis
The quantity of movable plate is identical, and telescopic rod one end is connected firmly in the end of movable plate, and the telescopic rod other end is connected with terminal pad, telescopic rod
It is in same plane with movable plate, the circumferential surface of telescopic rod is provided with helicitic texture；The cutting cube is by passing through screw thread
Connection can be moved mounted on the outer surface of telescopic rod, cutting cube along telescopic rod, and cutting cube side is provided with cutting teeth, cutting
Tooth avoids causing line clogging for crushing the sundries in sewage conduct；The change is rotatably installed in movable plate
End；Described connecting rod one end is hinged on cutting cube, and the connecting rod other end is hinged in change, sharp in one between connecting rod and telescopic rod
Angle, and be in an acute angle between connecting rod and horizontal plane.When the liquid in pipeline makes movable plate float, movable plate is outside along sliding slot
Movement, movable plate movement pull connecting rod movement, telescopic rod to be elongated, and connecting rod makes cutting cube on telescopic rod along flexible when moving
Bar is rotated and is moved, the rotation of cutting cube and the mobile crushing realized to sundries in liquid, so as to avoid pipeline quilt
It blocks.
Beneficial effects of the present invention are as follows：
1. a kind of sewage deep sea emission engineering pipeline construction method of the present invention, this method, which uses to pass through steel pipe, determines
The position fixed mode of stake can make the environmental suitability of pipeline more preferable, while the screwed flange used in pipeline connection utilizes pipeline
The buoyancy of middle liquid blocks bolt, prevents the loosening of bolt, ensures that the reliability of flanged joint, pipeline service life are prolonged
It is long.
2. a kind of sewage deep sea emission engineering pipeline construction method of the present invention, the screwed flange that is used in this method
By cooperating with each other for position-limiting unit and cutter unit, the sundries in liquid in pipeline is crushed, pipeline is avoided to send out
It is raw to block, it improves the use reliability of pipeline, reduce repair and maintenance cost.
3. a kind of sewage deep sea emission engineering pipeline construction method of the present invention, the screwed flange ontology in this method
On be provided with sealing ring, the presence of sealing ring makes the gap that extraneous liquid is difficult to enter between two flanges be connect with sealing ring
It touches, slows down the aging of Mi Quan, improve the service life of pipeline.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is A-A sectional views in Fig. 2；
Fig. 4 is the partial schematic diagram of limiting tooth in the present invention；
Fig. 5 is B-B sectional views in Fig. 2；
Fig. 6 is the partial enlarged view at the pipe screw thread of flange body of the present invention；
In figure：Flange body 1, position-limiting unit 2, toroidal cavity 11, sealing ring 3, limiting tooth 21, driving lever 22, movable plate
23, mounting groove 12, sliding slot 13, movable teeth 211, sliding groove 1, sliding groove 2 15, circular ring shape limiting slot 31, accumulator tank 16, anti-
Cuticula 4, push plate 5, cutter unit 6, telescopic rod 61, terminal pad 62, cutting cube 63, change 64, connecting rod 65, cutting teeth 631.
Specific implementation mode
The sewage deep sea emission engineering pipeline construction method of the present invention is carried out using Fig. 1-Fig. 6 as described below.
As depicted in figs. 1 and 2, a kind of sewage deep sea emission engineering pipeline construction method of the present invention, this method packet
Include following steps：
Step 1：The working process of steel pipe is completed on the coast, and screwed flange is installed in steel tube end part；
Step 2：After the completion of step 1, steel pipe is transported to construction site；Simultaneously guide pile is laid in seabed；
Step 3：After guide pile is laid in step 2, by lifting steel pipes to guide pile, and mobile steel pipe make it is adjacent
The screwed flange of steel tube end part is aligned and contacts；
Step 4：In step 3 after the flange alignment of adjacent steel pipe, two flanged joints are fastened using bolt；
Step 5：After flange completes fastening by bolt in step 4, steel pipe is fixed on guide pile；
Screwed flange in the step 1 includes flange body 1, and the flange body 1 is co-axially mounted group by inside and outside annulus
At the endoporus left end of flange body 1 is provided with one section of pipe screw thread, and the sealing surface of 1 right side of flange body is convex surface, flange body
Circumferentially there is mounting hole in 1 position far from endoporus；Position-limiting unit 2 is provided in the mounting hole of the flange body 1, limit is single
Member 2 prevents bolt looseness, falls off using the liquid buoyancy in pipeline；In mounting hole on the right side of the flange body 1
Outside is provided with toroidal cavity 11, and flange body 1 is provided with spring one and sealing ring 3 in toroidal cavity 11；It is described close
3 one end of seal ring is set to by spring one in the toroidal cavity 11 of flange body 1, and 3 other end of sealing ring extends flange sheet
The toroidal cavity 11 of body 1, after realization installation is bolted in two pairs of screwed flanges, sealing ring 3 is pressed in two spiral shells
Between line flange, to prevent extraneous liquid direct by the gap between two flanges and the sealing ring on internal sealing surface
Contact, slow down the aging of sealing ring；Wherein,
As shown in Figures 2 and 3, the position-limiting unit 2 includes limiting tooth 21, axis pin, driving lever 22 and movable plate 23；The method
Blue ontology 1 is provided with mounting groove 12 in the position coaxial with mounting hole, and flange body 1 is circumferentially set in the radial direction in inner wall upper edge
It is equipped with sliding slot 13, the position of sliding slot 13 is corresponding with the position of mounting groove 12, and sliding slot 13 is located at the side of mounting groove 12, sliding slot 13
It is communicated with mounting groove 12；The limiting tooth 21 is hinged on by axis pin in the mounting groove 12 of flange body 1, and limiting tooth 21 is used for will
The threaded portion of bolt blocks；22 one end of the driving lever is fixed on limiting tooth 21 and deviates on the position of axis pin；The movable plate 23
In the sliding slot 13 of flange body 1, the quantity of movable plate 23 is identical as the quantity of mounting groove 12, on movable plate 23 with installation
The coaxial position level in hole offers through-hole, and the diameter of through-hole is more than the diameter of mounting hole, around through-hole week on movable plate 23
To arc groove is provided with, 22 other end of driving lever on limiting tooth 21 is located in the arc groove of movable plate 23, and 23 lower end of movable plate is prolonged
Reach the endoporus of flange body 1.When work, movable plate 23 radially moves out under the action of liquid buoyancy, mobile
The movement progress driving lever 22 of plate 23 moves along the arc groove movement of plate 23, to make limiting tooth 21 rotate, limiting tooth 21
It is smoothly caught in the thread groove of bolt, so as to effectively avoid the loosening of bolt.
As shown in figure 4, the limiting tooth 21 is fluted in the setting of the position of the thread contact with bolt, limiting tooth 21 is recessed
Movable teeth 211 is provided in slot, movable teeth 211 is mounted on by spring two in the groove of limiting tooth 21.Due to the screw thread of bolt
It is in an angle between slot and the plane of movable plate 23, when limiting tooth 21 rotates, movable teeth 211 is different from the threaded portion of bolt
Position contacts, and movable teeth 211 can move, can cause to damage to avoid 211 discontinuity of movable teeth to a certain extent.
As shown in Fig. 2, the flange body 1 is radially horizontally disposed on the side wall of toroidal cavity 11 sliding
Slot 1, sliding groove 1, in being arranged circumferentially, are set in the axial direction in flange body 1 on the right side of flange body 1
It is equipped with sliding groove 2 15, sliding groove 2 15 is communicated with sliding groove 1；The sealing ring 3 is set close to the side of sliding groove 1
It is equipped with the circular ring shape limiting slot 31 that section is triangle；Sliding shoe one is provided in the sliding groove 1, sliding shoe one passes through
Spring three is mounted in sliding groove 1, and one one end of sliding shoe is contacted with the circular ring shape limiting slot 31 of sealing ring 3, and sliding shoe one is another
One end is being provided with wedge groove close to the side of sliding groove 2 15；The sliding groove 2 15 is provided with sliding groove 2 15, sliding groove
2 15 one end are contacted with the wedge groove of sliding groove 1, and 2 15 other end of sliding groove extends sliding groove 2 15.Two flanges pass through
After bolt is installed together, when occur the unstable gap caused between two flanges of stress it is uneven when, flange push sealing ring 3
It is moved into toroidal cavity 11, the movement of sealing ring 3 makes sliding shoe two be stretched out from the right side of flange, by the flange top of pairing
Firmly, the out-of-balance force of flange being subject to is offset, sealing ring is avoided to be revealed because of the unbalance stress of flange.
As shown in Figure 2 and Figure 6, accumulator tank 16 is arranged in the flange body 1 in the screw thread flank of tooth of pipe screw thread；The storage
Metal powder, a diameter of 0.05um-0.1um of metal powder are stored in slot 16, accumulator tank 16 passes through protection in screw thread groove face
Film 4, which is realized, to be blocked, and when flange body 1 is connected through a screw thread with pipe, protecting film 4 can be squeezed and broken during threaded engagement,
Be provided with push plate 5 in accumulator tank 16, metal powder can enter the threaded engagement position of flange and pipeline, to realize screw thread it
Between gap closure, increase screw thread screw out resistance, prevent be threadedly coupled loosen；The push plate 5 is mounted on storage by spring three
It deposits in slot 16, push plate 5 is used to release the metal powder in accumulator tank 16.The mistake of connection is realized by screw thread in flange and pipeline
Protecting film 4 is squeezed and broken by Cheng Zhong, screwing for screw thread, and push plate 5 is under the elastic force effect of spring three by the metal powder in accumulator tank 16
End squeezes out, and metal powder enters in thread groove, to realize the closure in gap between screw thread, increases resistance when screw thread screws out,
It is loosened to prevent from being threadedly coupled.
As shown in Figure 2 and Figure 5, the movable plate 23 is located at one end of 1 endoporus of flange body and is provided with cutter unit 6；Institute
State cutter unit 6 include telescopic rod 61, terminal pad 62, cutting cube 63, change 64 and connecting rod 65,61 quantity of the telescopic rod with hang down
Directly identical in the quantity of movable plate 23 in the same plane of 1 axis of flange body, 61 one end of telescopic rod is connected firmly in movable plate 23
End, 61 other end of telescopic rod are connected with terminal pad 62, and telescopic rod 61 is in movable plate 23 in same plane, telescopic rod 61
Circumferential surface be provided with helicitic texture；The cutting cube 63 is mounted on the outer surface of telescopic rod 61 by being connected through a screw thread,
Cutting cube 63 can be moved along telescopic rod 61, and 63 side of cutting cube is provided with cutting teeth 631, and cutting teeth 631 is used for sewage
Sundries in pipeline crushes, and avoids causing line clogging；The change 64 is rotatably installed in the end of movable plate 23；It is described
65 one end of connecting rod is hinged on cutting cube 63, and 65 other end of connecting rod is hinged in change 64, is between connecting rod 65 and telescopic rod 61
One acute angle, and be in an acute angle between connecting rod 65 and horizontal plane.When the liquid in pipeline makes movable plate 23 float, 23 edge of movable plate
It sliding slot 13 to move out, the movement of movable plate 23 pulls the movement of connecting rod 65, telescopic rod 61 to be elongated, and connecting rod 65 makes cutting when moving
Block 63 rotates and moves along telescopic rod 61 on telescopic rod 61, and the rotation of cutting cube 63 and mobile realization are to miscellaneous in liquid
The crushing of object, so as to avoid pipeline from being blocked.
After realization installation is bolted in two pairs of screwed flanges, sealing ring 3 is pressed between two screwed flanges,
To prevent extraneous liquid or gas from directly being connect with the sealing ring on internal sealing surface by the gap between two flanges
Touch, slow down the aging of sealing ring.
In use, movable plate 23 radially moves out under the action of liquid buoyancy, the movement of movable plate 23 pushes away
Dynamic driving lever 22 moves along the arc groove movement of plate 23, and to make limiting tooth 21 rotate, limiting tooth 21 is smoothly caught in bolt
Thread groove in, so as to effectively avoid the loosening of bolt.
After two flanges are installed together by bolt, when occurring, stress is unstable to cause the gap between two flanges uneven
When, flange pushes sealing ring 3 to be moved into toroidal cavity 11, and the movement of sealing ring 3 makes right side of the sliding shoe two from flange
Stretch out, the flange of pairing is withstood, the out-of-balance force of flange being subject to is offset, avoid sealing ring because flange stress not
Reveal.
Realize that protecting film 4 is squeezed and broken by screwing for screw thread, push plate 5 during connection by screw thread in flange and pipeline
The metal powder in accumulator tank 16 is squeezed out under the elastic force effect of spring three, metal powder enters in thread groove, to realize
The closure in gap between screw thread increases resistance when screw thread screws out, and is loosened to prevent from being threadedly coupled.
When the liquid in pipeline makes movable plate 23 float, movable plate 23 is moved out along sliding slot 13, and movable plate 23 is transported
Dynamic that the movement of connecting rod 65, telescopic rod 61 is pulled to be elongated, connecting rod 65 makes cutting cube 63 on telescopic rod 61 along telescopic rod when moving
61 rotate and move, the rotation of cutting cube 63 and the mobile crushing realized to sundries in liquid, so as to avoid pipeline
It is blocked.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
It can be made various changes in the range of disengaging present subject matter.
(A) in the above-described embodiment, two layers of position-limiting unit is provided in flange, but not limited to this, it can in flange body
Avoid being bolted loosening so that multilayer position-limiting unit is arranged according to need of work.
Industrial applicibility
According to the present invention, the efficiency and pipeline of pipeline laying can be improved using the method in the laying of deep-sea sewage conduct
Service life, to which the method is useful in sewage conduct construction field.
Claims (5)
1. a kind of sewage deep sea emission engineering pipeline construction method, it is characterised in that：This method comprises the following steps：
Step 1：The working process of steel pipe is completed on the coast, and screwed flange is installed in steel tube end part；
Step 2：After the completion of step 1, steel pipe is transported to construction site, while guide pile is laid in seabed；
Step 3：After guide pile is laid in step 2, by lifting steel pipes to guide pile, and mobile steel pipe makes adjacent steel pipe
The screwed flange of end is aligned and contacts；
Step 4：In step 3 after the flange alignment of adjacent steel pipe, two flanged joints are fastened using bolt；
Step 5：After flange completes fastening by bolt in step 4, steel pipe is fixed on guide pile；
Screwed flange in the step 1 includes flange body (1), and the flange body (1) is co-axially mounted group by inside and outside annulus
At the endoporus left end of flange body (1) is provided with one section of pipe screw thread, and the sealing surface of flange body (1) right side is convex surface, flange
Circumferentially there is mounting hole in position of the ontology (1) far from endoporus；It is provided with position-limiting unit in the mounting hole of the flange body (1)
(2), position-limiting unit (2) prevents bolt looseness, falls off using the liquid buoyancy in pipeline；The right end of the flange body (1)
Toroidal cavity (11) is provided on face on the outside of mounting hole, flange body (1) is provided with bullet in toroidal cavity (11)
Spring one and sealing ring (3)；Described sealing ring (3) one end is set to the toroidal cavity (11) of flange body (1) by spring one
Interior, sealing ring (3) other end extends the toroidal cavity (11) of flange body (1), and two pairs of screwed flanges pass through bolt
After installation is realized in connection, sealing ring (3) is pressed between two screwed flanges, to prevent extraneous liquid or gas from passing through
Gap between two flanges is in direct contact with the sealing ring on internal sealing surface, slows down the aging of sealing ring；Wherein,
The position-limiting unit (2) includes limiting tooth (21), axis pin, driving lever (22) and movable plate (23)；The flange body (1) exists
Coaxial position is provided with mounting groove (12) with mounting hole, and flange body (1) is circumferentially provided in the radial direction in inner wall upper edge
The position of sliding slot (13), sliding slot (13) is corresponding with the position of mounting groove (12), and sliding slot (13) is located at the side of mounting groove (12),
Sliding slot (13) is communicated with mounting groove (12)；The limiting tooth (21) is hinged on the mounting groove (12) of flange body (1) by axis pin
Interior, limiting tooth (21) is for blocking the threaded portion of bolt；Described driving lever (22) one end is fixed on limiting tooth (21) and deviates pin
On the position of axis；The movable plate (23) is mounted in the sliding slot (13) of flange body (1), the quantity of movable plate (23) and installation
The quantity of slot (12) is identical, and the position level coaxial with mounting hole offers through-hole on movable plate (23), and the diameter of through-hole is more than
The diameter of mounting hole is circumferentially provided with arc groove on movable plate (23) around through-hole, and the driving lever (22) on limiting tooth (21) is another
One end is located in the arc groove of movable plate (23), and movable plate (23) lower end extends to the endoporus of flange body (1).
2. a kind of sewage deep sea emission engineering pipeline construction method according to claim 1, it is characterised in that：The limit
Tooth (21) is fluted in the setting of the position of the thread contact with bolt, and limiting tooth (21) is provided with movable teeth (211) in groove,
Movable teeth (211) is mounted on by spring two in the groove of limiting tooth (21).
3. a kind of sewage deep sea emission engineering pipeline construction method according to claim 1, it is characterised in that：The flange
Ontology (1) is radially horizontally disposed on the side wall of toroidal cavity (11) sliding groove one (14), sliding groove one (14)
In being arranged circumferentially in flange body (1), it is provided with sliding groove two in the axial direction on the right side of flange body (1)
(15), sliding groove two (15) is communicated with sliding groove one (14)；The sealing ring (3) is arranged close to the side of sliding groove one (14)
It is the circular ring shape limiting slot (31) of triangle to have section；Sliding shoe one is provided in the sliding groove one (14), sliding shoe one is logical
Spring three is crossed in sliding groove one (14), one one end of sliding shoe is contacted with the circular ring shape limiting slot (31) of sealing ring (3), sliding
One other end of motion block is provided with wedge groove in the side close to sliding groove two (15)；The sliding groove two (15) is provided with sliding groove
Two (15), sliding groove two (15) one end are contacted with the wedge groove of sliding groove one (14), and sliding groove two (15) other end extends cunning
Dynamic slot two (15).
4. a kind of sewage deep sea emission engineering pipeline construction method according to claim 1, it is characterised in that：The flange
Accumulator tank (16) is arranged in ontology (1) in the screw thread flank of tooth of pipe screw thread；Metal powder, metal are stored in the accumulator tank (16)
A diameter of 0.05um-0.1um of powder, accumulator tank (16) is realized by protecting film (4) in screw thread groove face and is blocked, and flange body is worked as
(1) when being connected through a screw thread with pipe, protecting film (4) can be squeezed and broken during threaded engagement, be provided in accumulator tank (16)
Push plate (5), metal powder can enter the threaded engagement position of flange and pipeline, to realize the closure in gap between screw thread,
Increase the resistance that screw thread screws out, prevents from being threadedly coupled loosening；The push plate (5) is mounted on by spring three in accumulator tank (16),
Push plate (5) is used to release the metal powder in accumulator tank (16).
5. a kind of sewage deep sea emission engineering pipeline construction method according to claim 1, it is characterised in that：The movement
One end that plate (23) is located at flange body (1) endoporus is provided with cutter unit (6)；The cutter unit (6) includes telescopic rod
(61), terminal pad (62), cutting cube (63), change (64) and connecting rod (65), telescopic rod (61) quantity with perpendicular to flange
The quantity of movable plate (23) is identical in the same plane of ontology (1) axis, and telescopic rod (61) one end is connected firmly in movable plate (23)
End, telescopic rod (61) other end are connected with terminal pad (62), and telescopic rod (61) is in movable plate (23) in same plane,
The circumferential surface of telescopic rod (61) is provided with helicitic texture；The cutting cube (63) is mounted on telescopic rod by being connected through a screw thread
(61) outer surface, cutting cube (63) can be mobile along telescopic rod (61), and cutting cube (63) side is provided with cutting teeth
(631), cutting teeth (631) avoids causing line clogging for crushing the sundries in sewage conduct；The change (64)
It is rotatably installed in the end of movable plate (23)；Described connecting rod (65) one end is hinged on cutting cube (63), connecting rod (65) other end
It is hinged in change (64), is in an acute angle between connecting rod (65) and telescopic rod (61), and connecting rod (65) is in one between horizontal plane
Acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633585.9A CN108625457B (en) | 2018-06-20 | 2018-06-20 | Pipeline construction method for sewage deep sea discharge engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633585.9A CN108625457B (en) | 2018-06-20 | 2018-06-20 | Pipeline construction method for sewage deep sea discharge engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108625457A true CN108625457A (en) | 2018-10-09 |
| CN108625457B CN108625457B (en) | 2020-07-21 |
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ID=63692073
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810633585.9A Active CN108625457B (en) | 2018-06-20 | 2018-06-20 | Pipeline construction method for sewage deep sea discharge engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863466A (en) * | 2021-11-17 | 2021-12-31 | 黄淮学院 | Environment-friendly prefabricated building and sewage system thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056830A (en) * | 1990-07-27 | 1991-10-15 | Reaux James R | Flanged repair coupling for pipeline service |
| CN102287599A (en) * | 2010-06-18 | 2011-12-21 | 西安轨道交通装备有限责任公司 | Flange connection sealing device |
| CN104631602B (en) * | 2014-12-31 | 2016-08-17 | 中交一航局第二工程有限公司 | Sewage deep sea emission engineering marine site pipeline construction method |
| CN106322023A (en) * | 2016-08-31 | 2017-01-11 | 安徽金大仪器有限公司 | Elastic resetting unthreaded sealing flange |
-
2018
- 2018-06-20 CN CN201810633585.9A patent/CN108625457B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5056830A (en) * | 1990-07-27 | 1991-10-15 | Reaux James R | Flanged repair coupling for pipeline service |
| CN102287599A (en) * | 2010-06-18 | 2011-12-21 | 西安轨道交通装备有限责任公司 | Flange connection sealing device |
| CN104631602B (en) * | 2014-12-31 | 2016-08-17 | 中交一航局第二工程有限公司 | Sewage deep sea emission engineering marine site pipeline construction method |
| CN106322023A (en) * | 2016-08-31 | 2017-01-11 | 安徽金大仪器有限公司 | Elastic resetting unthreaded sealing flange |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863466A (en) * | 2021-11-17 | 2021-12-31 | 黄淮学院 | Environment-friendly prefabricated building and sewage system thereof |
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| Publication number | Publication date |
|---|---|
| CN108625457B (en) | 2020-07-21 |
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Application publication date: 20181009 Assignee: Hebei Shuangfeng Environmental Protection Technology Co.,Ltd. Assignor: Jiangsu intelligent workshop Technology Research Institute Co.,Ltd. Contract record no.: X2022980004440 Denomination of invention: A pipeline construction method for sewage deep-sea discharge engineering Granted publication date: 20200721 License type: Common License Record date: 20220420 |
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