CN112145827A - High-pressure pipeline rapid construction connecting method and pipeline assembly with high-pressure pipeline - Google Patents
High-pressure pipeline rapid construction connecting method and pipeline assembly with high-pressure pipeline Download PDFInfo
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- CN112145827A CN112145827A CN202010806549.5A CN202010806549A CN112145827A CN 112145827 A CN112145827 A CN 112145827A CN 202010806549 A CN202010806549 A CN 202010806549A CN 112145827 A CN112145827 A CN 112145827A
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- 238000010276 construction Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 93
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000006073 displacement reaction Methods 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 61
- 239000000243 solution Substances 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000008719 thickening Effects 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 210000001503 joint Anatomy 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
- F16L13/103—Adhesive joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
- F16L13/106—Tools
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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
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/165—Flanged joints characterised by the sealing means comprising a viscous mass, e.g. hardenable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the field of auxiliary machinery, in particular to a high-pressure pipeline rapid construction connecting method and a pipeline assembly with the high-pressure pipeline, which comprises the following steps: fixedly mounting a pipeline bracket for fixedly placing a plurality of sections of high-pressure pipelines on the corresponding route; building special hoisting and shifting equipment on the ground on two sides of the currently constructed pipeline bracket; hoisting each high-pressure pipeline to be installed through a tower crane and transferring and placing the high-pressure pipeline on corresponding bearing and hoisting displacement equipment; the high-pressure pipeline made of two adjacent seamless steel pipes realizes pre-installation of a double-position high-pressure-resistant sealing ring, center shaft alignment adjustment and opposite-top installation in sequence. According to the construction method, when two adjacent high-pressure pipelines are installed in a sealing mode, pre-positioning is achieved by using two special bearing and hoisting displacement devices, accurate positioning before installation is guaranteed, and the installed pipeline structure achieves the effect of improving the sealing effect in a high-pressure state by adopting the double high-pressure-resistant sealing rings matched with the sealing shaping ring formed in a cast-in-place mode.
Description
Technical Field
The invention relates to the field of auxiliary mechanical appliances, in particular to a method for realizing rapid connection construction of a large-diameter high-pressure engineering pipeline and a matched pipeline structure, and particularly relates to a rapid construction connection method of a high-pressure pipeline and a pipeline assembly with the high-pressure pipeline.
Background
In modern industry, high-pressure pipelines are widely applied and are often used for conveying high-pressure, high-temperature, inflammable, explosive, toxic and harmful gases and liquids, so that all materials of the high-pressure pipelines and the prefabrication and installation of the pipelines are greatly different from those of middle-low pressure pipelines.
The high-pressure pipeline engineering is a technical work with higher technical requirements, and various parameters of a large-caliber high-pressure pipeline in the installation process and the later use process have important influence in the actual construction process.
Because the whole size of heavy-calibre high-pressure pipeline is great, weight is heavier and require higher to the leakproofness of its installation, consequently the in-process of the traditional installation butt joint of high-pressure pipeline ubiquitous the installation degree of difficulty is big, butt joint installation construction operation is loaded down with trivial details relatively, and the butt joint is sealed the effect poor, the atress subaquilibrium scheduling problem.
Disclosure of Invention
In order to solve one of the technical problems, the invention adopts the technical scheme that: the quick construction connection method for the high-pressure pipeline comprises the following steps:
s1: fixedly mounting a pipeline bracket for fixedly placing a plurality of sections of high-pressure pipelines on the corresponding route;
s2: building special hoisting and shifting equipment on the ground on two sides of the currently constructed pipeline bracket;
s3: hoisting each high-pressure pipeline to be installed through a tower crane and transferring and placing the high-pressure pipeline on corresponding bearing and hoisting displacement equipment;
s4: the high-pressure pipelines made of two adjacent seamless steel pipes sequentially realize pre-installation of a double-position high-pressure-resistant sealing ring, center shaft alignment adjustment and opposite-top installation;
s5: the corresponding hoisting and shifting equipment is lowered to realize the downward regulation of two adjacent high-pressure pipelines and is positioned by a pipeline bracket corresponding to the position right below the high-pressure pipelines;
s6: performing pipeline filling, sealing and shaping ring sections on the two adjacent high-pressure pipelines with the opposite tops mounted in place;
s7: the end parts of two adjacent high-pressure pipelines are connected through flanges to realize final positioning;
s8: welding the filling pore canal to form all-welded sealing of the filling pore canal;
s9: and repeating the steps of S4-S9 to sequentially complete the connection and sealing of each section of pipeline.
Preferably, the special supporting and hoisting and shifting equipment comprises a supporting steel frame, the supporting steel frame comprises two transverse main beams which are respectively and symmetrically arranged at two sides of the corresponding pipeline bracket, two inverted U-shaped connecting beams which are vertical to the two transverse main beams are arranged at intervals at the middle sections of the two transverse main beams, the end surfaces of the middle sections of the two inverted U-shaped connecting beams are fixedly connected with traction pull rings, a plurality of vertical lifting components which can be lifted synchronously are respectively and fixedly arranged at the four corners of the bottom of the bearing steel frame, the bottom of each vertical lifting component is fixedly provided with a universal wheel component which is fixed on the ground and has a self-locking function, the spacing distance of the transverse main beam is larger than the outer diameter of the high-pressure pipeline of the current section, and a bearing component is respectively and fixedly installed on the vertical lifting components which are oppositely arranged in the width direction of the bearing steel frame, and an interval space is arranged between the two opposite bearing components.
Preferably, the vertical lifting assembly comprises a vertical oil cylinder, the top of the vertical oil cylinder is fixedly connected with the bottom of the transverse main beam, and the cylinder body of the vertical oil cylinder is of a rectangular column structure.
Preferably, the bearing assembly comprises a bearing steel seat with a lower end arranged in an inward inclining manner, a fixing column is arranged between the top of the bearing steel seat and the outer side wall of the upper section of the piston rod of the corresponding vertical oil cylinder, the outer end of the fixing column is fixed on the outer side wall of the piston rod of the vertical oil cylinder, the inner end of the fixing column is fixedly connected with the bearing steel seat in a hinged manner, a jacking oil cylinder with an upper section arranged in an inward inclining manner is arranged below the fixing column, the outer end cylinder body of the jacking oil cylinder is movably hinged to an ear seat on the cylinder body of the vertical oil cylinder, and the inner end of the upper part is movably hinged to the ear seat of the bearing steel seat.
And the jacking oil cylinder and the vertical oil cylinder are controlled to start, stop and lift through a matched hydraulic pump system.
The pipeline assembly comprises two high-pressure pipelines which are mutually matched and connected and are in the same structure, the head end of the high-pressure pipeline of the previous section is in sealing and inserting fit with the tail end of the high-pressure pipeline of the next adjacent section, the two high-pressure pipelines are divided into an externally-mounted high-pressure pipeline and an internally-mounted high-pressure pipeline during installation, connecting flange plates are fixedly connected to the opposite end parts of the externally-mounted high-pressure pipeline and the internally-mounted high-pressure pipeline, the connecting flange plates are fixedly connected through bolting, and the inner end part of the internally-mounted high-pressure pipeline is provided with a thickened pipe section and extends into the inner cavity of the externally-mounted high-pressure pipeline to realize sealing connection.
Preferably, the interval is provided with two annular tip seal grooves on the lateral wall of built-in high pressure pipeline's thickening pipeline section, at each equal seal installation has high pressure resistant seal circle in the annular tip seal groove, and the liquid glue annular channel fit in on the lateral wall of thickening pipeline section between two annular tip seal grooves is equipped with the sealed type circle that the round has the sealed glue solution of pouring to form after cooling the outer high pressure pipeline of adorning has a high pressure injecting glue mouth of pipe just to the position department welding of liquid glue annular channel, the orificial inner chamber of high pressure injecting glue with the inside cooperation that is linked together of liquid glue annular channel.
Preferably, the high-pressure glue injection pipe orifice is subjected to cutting, sealing and welding treatment after construction is completed to form sealing closure for an external connecting port on the sealing glue solution circulation channel.
Preferably, the glue solution poured from the high-pressure glue injection pipe opening is a sealing glue solution which is melted into a fluid state at high temperature.
Preferably, the high-pressure-resistant sealing ring is a Y-shaped sealing ring.
Preferably, a plurality of sealing glue solution circulation channels are respectively arranged on the outer side wall of the thickened pipe section between the two annular end sealing grooves, and each sealing glue solution circulation channel is respectively used for communicating the glue solution annular channel with the annular end sealing grooves on the two sides of the glue solution annular channel.
The invention has the beneficial effects that: according to the construction method, when two adjacent high-pressure pipelines are hermetically installed, the two special bearing and hoisting displacement devices are used for realizing pre-positioning, so that accurate positioning before installation is guaranteed, and meanwhile, the installed pipeline structure adopts the sealing shaping ring formed by matching the arranged double high-pressure-resistant sealing rings with a cast-in-place mode to achieve the effect of improving the sealing effect in a high-pressure state, so that the using effect and the leakage-proof effect of the high-pressure pipelines in the subsequent using process are guaranteed.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic side view of the special hoisting and shifting apparatus of the present invention.
Fig. 2 is a schematic structural diagram of the dedicated bearing and hoisting displacement equipment for bearing a single high-pressure pipeline.
Fig. 3 is a schematic view of a disassembled partial structure of the pipeline assembly (including a high-pressure glue injection pipe orifice).
Fig. 4 is a partially enlarged schematic view of fig. 3.
Fig. 5 is a schematic structural view of the assembled pipeline assembly (including the high-pressure glue injection pipe orifice) of the present invention.
Fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
Fig. 7 is a schematic view of the construction installation structure of the present invention.
In the figure, 1, a pipeline assembly; 2. Special hoisting and shifting equipment; 3. supporting a steel frame; 4. A transverse main beam; 5. Inverting the U-shaped connecting beam; 6. a traction pull ring; 7. a vertical lifting assembly; 701. a vertical oil cylinder; 702. supporting a steel seat; 703. a piston rod; 704. fixing a column; 705. jacking the oil cylinder; 706. a cylinder body; 8. a universal wheel assembly; 9. a holding assembly; 10. an intervening space; 11. a conduit bracket; 12. a high pressure pipeline; 1201. a high-pressure pipeline is externally arranged; 1202. a high-pressure pipeline is arranged in the device; 13. connecting a flange plate; 14. thickening the pipe section; 15. an annular end seal groove; 16. a high pressure resistant seal ring; 17. a liquid glue annular channel; 18. sealing the fixed ring; 19. a high-pressure glue injection pipe orifice; 20. and sealing the glue solution flow channel.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 7, the method for quickly connecting high-pressure pipelines comprises the following steps:
s1: a pipeline bracket 11 for fixedly placing a plurality of sections of high-pressure pipelines is fixedly arranged on the corresponding route;
s2: building special hoisting and shifting equipment 2 on the ground on two sides of a currently constructed pipeline bracket 11;
s3: hoisting each high-pressure pipeline to be installed through a tower crane and transferring and placing the high-pressure pipeline on corresponding bearing and hoisting displacement equipment 2;
s4: the high-pressure pipelines made of two adjacent seamless steel pipes sequentially realize pre-installation of the double-position high-pressure-resistant sealing rings 16, center shaft alignment adjustment and opposite-top installation;
when the two high-pressure pipelines are butted, the butting cylinders are required to be matched with the outside horizontal arrangement to realize butting of the end parts of the two high-pressure pipelines, so that the two high-pressure pipelines are clamped in place, after the two high-pressure pipelines are clamped in place, the two adjacent connecting flange discs 13 are in a mutually butted state, and the butting state is kept to carry out subsequent operation.
S5: the corresponding hoisting and shifting equipment 2 is lowered to realize the downward regulation of two adjacent high-pressure pipelines and is positioned by the pipeline bracket 11 corresponding to the position right below;
after the pipeline bracket 11 is positioned, the bottoms of the two high-pressure pipelines are completely supported at the top of each corresponding pipeline bracket 11 to realize fixation, and then the pipeline bracket 11 is ensured to be stably fixed to the pipeline by realizing centering and positioning through the fixing clamp.
S6: the 18 sections of the sealing fixed rings are filled and sealed in the pipelines aiming at the two adjacent high-pressure pipelines with the opposite tops installed in place;
in the process of pouring the sealing glue solution at high temperature, the glue solution returns to be quickly filled in the liquid glue annular channel 17 under the action of high-pressure pouring impact force and then overflows outwards to fill the inner side wall of the externally-installed high-pressure pipeline 1201 to realize further sealing, in addition, the sealing glue solution can flow along each sealing glue solution circulation channel 20 and quickly flow into the annular end sealing grooves 15 on the two sides to be connected and matched with the corresponding high-pressure-resistant sealing rings, so that the two annular end sealing grooves 15 and the sealing fixed ring 18 in the middle part form a whole, and the sealing effect is ensured.
In addition, in order to increase the flowing speed of the high-temperature pouring sealant and reduce the condition of small amount of uneven cooling in the middle flowing process in the pouring process, the outer side wall of the high-pressure pipeline at the corresponding position needs to be preheated before pouring.
In the construction method, two ends are adopted for sealing in a bidirectional way and then are matched;
s7: the end parts of two adjacent high-pressure pipelines are connected through flanges to realize final positioning;
s8: welding the filling pore canal to form all-welded sealing of the filling pore canal; the sealing effect of the whole pipeline can be effectively guaranteed after sealing and welding, and the sealing performance of the pipeline under a high-pressure state is improved.
S9: and repeating the steps of S4-S9 to sequentially complete the connection and sealing of each section of pipeline.
Preferably, the special lifting and shifting device 2 comprises a supporting steel frame 3, the supporting steel frame 3 comprises two transverse main beams 4 respectively symmetrically arranged at two sides of the corresponding pipeline bracket 11, two inverted U-shaped connecting beams 5 perpendicular to the two transverse main beams 4 are arranged at intervals in the middle section of the two transverse main beams 4, a traction pull ring 6 is fixedly connected to the end surface of the middle section of each inverted U-shaped connecting beam 5, a plurality of vertical lifting components 7 capable of lifting synchronously are respectively and fixedly arranged at four corners of the bottom of the supporting steel frame 3, a universal wheel component 8 with a self-locking function and fixed on the ground is fixedly arranged at the bottom of each vertical lifting component 7, the interval distance of the transverse main beams 4 is greater than the outer diameter of the high-pressure pipeline at the current section, and a supporting component 9 is respectively and fixedly arranged on each vertical lifting component 7 oppositely arranged in the width direction of the supporting steel frame 3, a space 10 is provided between the two opposite support elements 9.
The universal wheel assembly 8 arranged here can move or lock the current whole special hoisting and shifting device 2 as required, and when the device is required to be towed, rapid towing and moving can be realized by matching external towing devices with the corresponding towing pull rings 6, so that the operation is convenient and rapid.
The inverted U-shaped connecting beam 5 is mainly used for connecting the whole special bearing, hoisting and shifting equipment 2 to form a firm whole, and the structural strength of the whole equipment is ensured.
Each special bearing and hoisting displacement device 2 bears one corresponding high-pressure pipeline and can realize lifting and positioning according to the requirement.
Each bearing subassembly 9 mutually supports and can realize the bearing to whole high-pressure pipeline, and the low portion of high-pressure pipeline after the bearing still is in the state of vacating, consequently can supply its safe top of placing at the pipeline bracket 11 that corresponds to realize the installation location.
Preferably, the vertical lifting assembly 7 comprises a vertical oil cylinder 701, the top of the vertical oil cylinder 701 is fixedly connected with the bottom of the transverse main beam 4, and a cylinder body 706 of the vertical oil cylinder 701 is of a rectangular column structure.
The upright cylinder 701 of the cylinder 706 of rectangular prism structure is selected here mainly to facilitate the positioning and installation of the supporting member 9.
Preferably, the bearing assembly 9 includes a bearing steel seat 702 with a lower end inclined inward, a fixing column 704 is disposed between the top of the bearing steel seat 702 and the outer side wall of the upper section of the piston rod 703 of the corresponding vertical cylinder 701, the outer end of the fixing column 704 is fixed on the outer side wall of the piston rod 703 of the vertical cylinder 701, the inner end of the fixing column 704 is hinged and fixedly connected to the bearing steel seat 702, a jacking cylinder 705 with an upper section inclined inward is disposed below the fixing column 704, an outer end cylinder 706 of the jacking cylinder 705 is movably hinged to an ear seat on the cylinder body 706 of the vertical cylinder 701, and an inner end of the upper section is movably hinged to the ear seat of the bearing steel seat 702.
Can control each top support hydro-cylinder 705 come to realize inclination's regulation to corresponding bearing steel seat 702 when carrying out the bearing, have operating personnel control to make for each bearing steel seat 702 with one side the inclination the same, the bearing steel seat 702 symmetry slope of opposite side to centering nature and stability when guaranteeing to carry out the bearing to high-pressure pipeline.
And each jacking oil cylinder 705 and the vertical oil cylinder 701 are controlled to start, stop and lift through a matched hydraulic pump system.
The pipeline assembly 1, the pipeline assembly 1 includes two mutually in coordination with each other the high-pressure pipeline of any one of the preceding claims, two the high-pressure pipeline the same in structure and the head end of the high-pressure pipeline of the previous section and the tail end of the high-pressure pipeline of the next section adjacent are sealed and inserted and installed in a coordination manner, when installing two the above-mentioned high-pressure pipelines, for adorning high-pressure pipeline 1201 outward and adorning high-pressure pipeline 1202 inward, the relative tip of adorning high-pressure pipeline 1201 outward and adorning high-pressure pipeline 1202 has all been linked firmly connecting flange 13, two link firmly between the connecting flange 13, the interior tip of adorning high-pressure pipeline 1202 sets up thickening pipe section 14 and extends to adorn the interior intracavity of high-pressure pipeline 1201 outward and realize sealing connection.
Preferably, be provided with two annular tip seal grooves 15 on the interval on the lateral wall of built-in high pressure pipeline 1202's thickening pipeline section 14, at each equal seal installation has high pressure resistant seal circle 16 in the annular tip seal groove 15, and the liquid glue annular channel 17 fit in on the lateral wall of thickening pipeline section 14 between two annular tip seal grooves 15 is equipped with the sealed type circle 18 that the round has the sealed glue solution of the high temperature that pours to form after cooling the dress high pressure pipeline 1201 has a high pressure injecting glue mouth of pipe 19 to the position department welding of liquid glue annular channel 17, the inner chamber of high pressure injecting glue mouth of pipe 19 with the inside cooperation of being linked together of liquid glue annular channel 17.
The high-pressure-resistant sealing rings 16 arranged at intervals are arranged, so that double sealing can be realized, and the aim of improving the sealing property in a high-pressure state is fulfilled.
After the two high-pressure-resistant sealing rings 16 are installed, the high-temperature sealing glue solution of cast-in-place high-temperature fluid flows through the high-temperature sealing glue solution and can form the sealing fixed ring 18 after the high-temperature sealing glue solution is cooled, and meanwhile, the high-temperature casting sealing glue solution flows along the sealing glue solution circulation channels 20 in the casting process and quickly flows into the annular end sealing grooves 15 on the two sides to be connected and matched with the corresponding high-pressure-resistant sealing rings, so that the two annular end sealing grooves 15 and the sealing fixed ring 18 in the middle are integrated finally, and the sealing effect is guaranteed.
Preferably, the high-pressure glue injection pipe opening 19 is cut off and sealed after the construction is completed, so as to form a sealing closure for sealing the external connection port on the glue solution flow channel 20.
After the installation is finished, the original connecting port can be connected through sealing welding to realize welding sealing, so that the safety sealing of the whole high-pressure pipeline is ensured.
Preferably, the glue solution poured from the high-pressure glue injection pipe opening 19 is a sealing glue solution melted into a fluid state at a high temperature.
Preferably, the high pressure resistant sealing ring 16 is a Y-shaped sealing ring.
Preferably, a plurality of sealing glue solution circulation channels 20 are respectively arranged on the outer side wall of the thickened pipe section 14 between the two annular end sealing grooves 15, and each sealing glue solution circulation channel 20 is respectively used for communicating the liquid glue annular channel 17 with the annular end sealing grooves 15 on the two sides thereof.
Because the high-temperature pouring sealing glue liquid flows along each sealing glue liquid circulation channel 20 and rapidly flows into the annular end sealing grooves 15 on the two sides to be connected and matched with the corresponding high-pressure-resistant sealing rings, the two annular end sealing grooves 15 and the sealing fixed ring 18 in the middle form a whole, and the sealing effect is ensured.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.
The present invention is not described in detail, but is known to those skilled in the art.
Claims (10)
1. The quick construction connection method for the high-pressure pipeline is characterized by comprising the following steps: the method comprises the following steps:
s1: fixedly mounting a pipeline bracket for fixedly placing a plurality of sections of high-pressure pipelines on the corresponding route;
s2: building special hoisting and shifting equipment on the ground on two sides of the currently constructed pipeline bracket;
s3: hoisting each high-pressure pipeline to be installed through a tower crane and transferring and placing the high-pressure pipeline on corresponding bearing and hoisting displacement equipment;
s4: the high-pressure pipelines made of two adjacent seamless steel pipes sequentially realize pre-installation of a double-position high-pressure-resistant sealing ring, center shaft alignment adjustment and opposite-top installation;
s5: the corresponding hoisting and shifting equipment is lowered to realize the downward regulation of two adjacent high-pressure pipelines and is positioned by a pipeline bracket corresponding to the position right below the high-pressure pipelines;
s6: performing pipeline filling, sealing and shaping ring sections on the two adjacent high-pressure pipelines with the opposite tops mounted in place;
s7: the end parts of two adjacent high-pressure pipelines are connected through flanges to realize final positioning;
s8: welding the filling pore canal to form all-welded sealing of the filling pore canal;
s9: and repeating the steps of S4-S9 to sequentially complete the connection and sealing of each section of pipeline.
2. The high-pressure pipeline rapid construction connecting method according to claim 1, characterized in that: the special bearing and hoisting displacement equipment comprises a bearing steel frame, wherein the bearing steel frame comprises two transverse main beams which are symmetrically arranged at two corresponding sides of the pipeline bracket respectively, two inverted U-shaped connecting beams which are perpendicular to the two transverse main beams are arranged at the middle section of each transverse main beam at intervals, a plurality of vertical lifting components which can synchronously lift are fixedly arranged at the four corners of the bottom of the bearing steel frame respectively, the bottoms of the vertical lifting components are fixedly provided with universal wheel components which are fixed on the ground and have a self-locking function, the spacing distance of the transverse main beams is greater than the outer diameter of a high-pressure pipeline of the current section, a bearing component is fixedly arranged on each vertical lifting component which is oppositely arranged in the width direction of the bearing steel frame respectively, and a spacing space is arranged between the two opposite bearing components.
3. The high-pressure pipeline rapid construction connecting method according to claim 2, characterized in that: the vertical lifting assembly comprises a vertical oil cylinder, the top of the vertical oil cylinder is fixedly connected with the bottom of the transverse main beam, and the cylinder body of the vertical oil cylinder is of a rectangular column structure.
4. The high-pressure pipeline rapid construction connecting method according to claim 3, characterized in that: the bearing assembly comprises a bearing steel seat with a lower end arranged in an inward inclining mode, a fixing column is arranged between the top of the bearing steel seat and the upper section outer side wall of the piston rod of the corresponding vertical oil cylinder, the outer end of the fixing column is fixed on the outer side wall of the piston rod of the vertical oil cylinder, the inner end of the fixing column is fixedly connected with the bearing steel seat in a hinged mode, a jacking oil cylinder with an upper section arranged in an inward inclining mode is arranged below the fixing column, the outer end of the jacking oil cylinder is movably hinged to an ear seat on the body of the vertical oil cylinder, and the inner end of the upper portion of the jacking oil cylinder is movably hinged to the ear seat of the bearing steel seat.
5. A manifold assembly comprising two high pressure conduits according to any one of the preceding claims cooperatively joined together, wherein: two the same and the sealed cartridge cooperation installation of tail end of the high-pressure pipeline of the preceding section of high-pressure pipeline's of structure and the adjacent next section of high-pressure pipeline, for adorning high-pressure pipeline and built-in high-pressure pipeline outward during the installation of two above-mentioned high-pressure pipelines, the relative tip of adorning high-pressure pipeline and built-in high-pressure pipeline all has linked firmly flange dish, two the bolt joint links firmly between the flange dish, the interior tip of adorning high-pressure pipeline sets up the thickening pipeline section and extends adorn the inner chamber of high-pressure pipeline inside and realize sealing connection outward.
6. The high-pressure pipeline rapid construction connecting method and the pipeline assembly with the high-pressure pipeline as claimed in claim 5, wherein: the interval is provided with two annular end seal grooves on the lateral wall of built-in high pressure pipeline's thickening pipeline section, at each equal seal installation has high pressure resistant seal circle in the annular end seal groove, and the liquid glue annular channel fit in on the lateral wall of the thickening pipeline section between two annular end seal grooves is equipped with the sealed type circle that the round has the high temperature seal glue solution cooling back of pouring adorn the high pressure pipeline just to the welding of liquid glue annular channel's position department has a high pressure injecting glue mouth of pipe outward, the orificial inner chamber of high pressure injecting glue with the inside cooperation that is linked together of liquid glue annular channel.
7. The high-pressure pipeline rapid construction connecting method and the pipeline assembly with the high-pressure pipeline according to claim 5 or 6, wherein: and the high-pressure glue injection pipe orifice is subjected to cutting and sealing treatment after construction is finished to form sealing closure for an external connector on the sealing glue solution circulation channel.
8. The high-pressure pipeline rapid construction connecting method and the pipeline assembly with the high-pressure pipeline as claimed in claim 7, wherein: the glue solution poured inwards from the high-pressure glue injection pipe orifice is sealing glue solution which is melted into a fluid state at high temperature.
9. The high-pressure pipeline rapid construction connecting method and the pipeline assembly having the high-pressure pipeline as claimed in claim 8, wherein: the high-pressure resistant sealing ring is a Y-shaped sealing ring.
10. The high-pressure pipeline rapid construction connecting method and the pipeline assembly with the high-pressure pipeline as claimed in claim 7, wherein: and a plurality of sealing glue solution circulation channels are respectively arranged on the outer side wall of the thickened pipe section between the two annular end sealing grooves, and the sealing glue solution circulation channels are respectively used for communicating the liquid glue annular channels with the annular end sealing grooves on the two sides of the liquid glue annular channels.
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