CN112524337A - Displacement construction method for wear-resistant pipe - Google Patents
Displacement construction method for wear-resistant pipe Download PDFInfo
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- CN112524337A CN112524337A CN202011374752.6A CN202011374752A CN112524337A CN 112524337 A CN112524337 A CN 112524337A CN 202011374752 A CN202011374752 A CN 202011374752A CN 112524337 A CN112524337 A CN 112524337A
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- pipeline
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- wear
- temporary measure
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 22
- 239000002893 slag Substances 0.000 claims abstract description 14
- 230000008439 repair process Effects 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 27
- 239000000725 suspension Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000009417 prefabrication Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
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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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/038—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being made in situ
-
- 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
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/06—Accessories therefor, e.g. anchors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
Abstract
The invention provides a displacement construction method of a wear-resistant pipe, which comprises the following steps: the pipeline support is pre-buried and installed on the pit wall of the granulated slag pump pit, and a pipeline bracket is erected on the ground; and arranging temporary measure pipelines on the pipeline support and the pipeline bracket by utilizing the fixed repair time, arranging a double-end interface and a pipe at the interface at the preset position, and connecting the temporary measure pipelines to the original pipeline through flanges. According to the invention, temporary measure pipelines are arranged on the pipeline bracket and the pipeline bracket by utilizing the fixed repair time, the double-end interface and the pipe arrangement at the interface at the preset position are carried out, and the temporary measure pipelines are connected to the original pipeline through the flange, so that the displacement construction of the wear-resistant pipe is realized. The method reduces the workload of site construction as much as possible so as to reduce the influence on production, parts adopt a site prefabrication mode, and the site installation is carried out by utilizing the fixed repair time so as to realize the connection between a newly-built pipeline and the original pipeline, thereby avoiding the production stop of the construction.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a displacement construction method of a wear-resistant pipe.
Background
When a building area is constructed and the building area is located between two granulation water return pump fields, the interference between the construction of the pile foundation of the main sliding channel and the wear-resistant pipe of the original granulation water supply and return pump field leads to the replacement of the wear-resistant pipe part of the original granulation water supply and return pump field, the existing pipelines need to be completely stopped and rearranged or integrated, thus leading to long construction period and high labor intensity.
Disclosure of Invention
In view of the above, the invention provides a displacement construction method for a wear-resistant pipe, and aims to solve the problem that the existing pipeline is long in rearrangement or integration construction period.
The invention provides a displacement construction method of a wear-resistant pipe, which comprises the following steps: a support mounting step, wherein a pipeline support is pre-buried and mounted on the pit wall of the granulated slag pump pit, and a pipeline bracket is erected on the ground; and a pipeline mounting step, namely arranging temporary measure pipelines on the pipeline support and the pipeline bracket by using the fixed repair time, arranging a double-end interface and a pipe at the interface at a preset position, and connecting the temporary measure pipelines to the original pipeline through flanges.
Further, in the method for the displacement construction of the wear-resistant pipe, in the step of installing the pipeline, the temporary measure pipeline is arranged and installed in sections, and the sections are connected by welding.
Further, according to the method for the displacement construction of the wear-resistant pipe, the sections of the temporary measure pipeline are butted by adopting a V-shaped groove.
Further, according to the method for the displacement construction of the wear-resistant pipe, when the temporary measure pipeline is installed, the double-head connector is installed firstly, then the single-head connector is installed, and the temporary measure pipeline is connected with the pipeline which is laid in advance through welding.
Further, according to the method for the displacement construction of the wear-resistant pipe, before the pipeline support is installed, the suspension cage is hung at the position of the cornice of the pit wall of the granulated slag pump pit, so that the overhanging support is installed on the suspension cage.
Further, in the method for the displacement construction of the wear-resistant pipe, in the step of installing the support, the pipeline support is hoisted by a crane or hoisted by matching a winch and a pulley.
Further, before the step of installing the bracket, the method for the displacement construction of the wear-resistant pipe further comprises the following steps: and a support prefabricating step, namely manufacturing the pipeline support, performing appearance inspection on the welding line, and performing anticorrosion treatment after the welding line is qualified.
Further, according to the method for the displacement construction of the wear-resistant pipe, the pipeline support is provided with a plurality of pipe clamps so as to clamp and fix the temporary measure pipeline.
Further, the method for the displacement construction of the wear-resistant pipe further comprises the following steps before the step of prefabricating the bracket: and a pre-preparation step, namely detecting and accepting the temporary measure pipeline, the pipeline bracket and the pipeline bracket.
Further, in the method for the displacement construction of the wear-resistant pipe, the joint position between the temporary measure pipeline and the original pipeline comprises an F-shaped joint of the original accident water pipe.
The invention provides a displacement construction method of a wear-resistant pipe, which is characterized in that a pipeline bracket is pre-embedded and installed on the pit wall of a granulated slag pump pit, and a pipeline bracket is erected on the ground; and temporary measure pipelines are arranged on the pipeline support and the pipeline bracket by utilizing the fixed repair time, the double-end connector and the pipe distribution at the connector at the preset position are carried out, and the temporary measure pipelines are connected to the original pipeline through the flange, so that the displacement construction of the wear-resistant pipe is realized. The method reduces the workload of site construction as much as possible so as to reduce the influence on production, simultaneously, the parts adopt a site prefabrication mode, and the site installation is carried out by utilizing the fixed repair time so as to realize the connection between the newly-built pipeline and the original pipeline, thereby avoiding the production stop of construction, improving the construction efficiency and reducing the labor intensity of constructors.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a flow chart of a method for displacement construction of a wear-resistant pipe according to an embodiment of the present invention;
fig. 2 is a specific flow chart of a method for displacement construction of a wear-resistant pipe according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a position of an installation joint for wear-resistant pipe displacement construction according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 2, flow charts of a method for displacement construction of a wear-resistant pipe according to an embodiment of the present invention are shown. As shown in the figure, the process of the method is as follows: the field piping process flow comprises the following steps: cleaning field → granulating pump field setting working platform → setting pipeline bracket, pit wall pipeline bracket → arranging temporary measure pipeline on the bracket → double-end interface and 6.4 m elevation interface piping → installation of pipe fittings such as flange → installation of pipeline for fixed maintenance; the method specifically comprises the following steps:
a preliminary preparation step S1, which detects and checks the temporary measure tube, tube stand, and tube cradle.
Specifically, the temporary measure pipeline, the pipeline bracket and the pipeline bracket are detected and accepted; all pipes and pipe fittings must have the product quality certification of the manufacturer, the technical documents are complete, and the specification, the material and the model meet the requirements; the pipes of various materials and specifications are inspected according to the specification, and the diameter, the wall thickness and the bending degree are all in accordance with the relevant specification of the material design standard; the acceptance of the special pipe fittings is carried out according to the requirements of design drawings, and the special pipe fittings are independently stored and properly kept; the qualified materials should be properly kept according to specification, material and model. The early preparation work is carried out around five factors of human, machine, material and method, and firstly, the configuration of human resources can be carried out; after the human resources are configured, the preparation work of construction machinery and construction equipment can be carried out according to the characteristics of construction engineering; then, preparing materials, including building materials; and carrying out material preparation work; meanwhile, the construction acceptance standard is mastered by the quantity of the construction materials according to the requirements of laws and regulations and construction mandatory specifications before construction.
And a support prefabricating step S2, manufacturing the pipeline support, performing appearance inspection on the welding seam, and performing anticorrosion treatment after the welding seam is inspected to be qualified.
Specifically, the pipeline bracket can be manufactured on site, and appearance inspection is carried out on the welding line after the pipeline bracket is manufactured, so that the defects of welding leakage, meat biting and the like are avoided; after the pipeline bracket is qualified, the pipeline bracket is subjected to antiseptic treatment
And a support mounting step S3, pre-burying and mounting the pipeline support on the pit wall of the granulated slag pump pit, and erecting a pipeline bracket on the ground.
Specifically, before the installation of the pipeline bracket, firstly, the suspension cage is hoisted at the position of the cornice of the pit wall of the granulated slag pump pit, so that the cantilever bracket is installed on the suspension cage. And before the pipeline support is installed, the positions of the fixed support and the compensator are determined according to design requirements, the positions of two sections of supports of the same horizontal straight pipe section are marked according to the elevation of the pipeline, and if the floor fall exists, the height difference between the two points is calculated. Then, installing a pipeline bracket, wherein the wall of the granulating pump field is an overhanging bracket and needs to be pre-buried on a pump pit upright post; the south water slag temporary pipeline is far away from the original bracket, and a pipe bracket is required to be arranged on the south side; three overhanging brackets are respectively arranged in the water granulated slag granulating pump pits in the south and north; installing the operation rules of the pit wall cantilever support: because the depth of the dry slag pump pit is more than six meters, the dry slag pump pit belongs to the edge overhead operation, a suspension cage needs to be arranged for mounting a suspension bracket, a suspension flange suspension point is the position of a cornice on the pit wall of a water pool, each suspension flange is provided with two lifting hooks, an operator needs to wear a safety rope additionally, the safety rope is strictly hung on the safety suspension cage and should be tied on a protective railing, and if the protective railing is detached, an independent suspension point needs to be additionally arranged on the cornice and the stable reuse of the safety rope is ensured. When the bracket is installed, the length direction of the cross beam is horizontal, and the top surface is parallel to the central line of the pipe; the fixed bracket is strictly arranged at the position specified by the design, and the pipeline is firmly fixed on the fixed bracket; when the support is installed, the verticality of the support stand column and the levelness and elevation of the support cross beam are well controlled, and welding can be performed after the measurement is qualified; the hole diameter and the space of the pipe clamp on the bracket are constructed according to the requirements of the drawing. Finally, the installation of the pipe bracket can be carried out, which can be placed on the ground, although there is no precedence between the installation of the pipe bracket and the installation of the pipe support. The pipeline bracket and the pipeline bracket can be provided with pipe clamps to clamp and fix the temporary measure pipeline.
And a pipeline mounting step S4, arranging temporary measure pipelines on the pipeline bracket and the pipeline bracket, arranging the double-end interfaces and the pipelines at the interfaces at preset positions, and connecting the temporary measure pipelines to the original pipelines through flanges.
Specifically, firstly, the arrangement of the temporary measure pipeline is carried out, the temporary measure pipeline can be arranged on a pipeline bracket and a pipeline bracket, and the pipeline bracket can be clamped and fixed through a pipe clamp; the temporary measure pipeline can be arranged and installed in a segmented mode, the segments are connected through welding, preferably, V-shaped grooves are adopted for butt joint between the segments, and welding can be achieved through manual arc welding; then, piping is carried out at the double-end interface and the interface at the preset position, the temporary measure pipeline is connected onto the original pipeline through the flange, when the temporary measure pipeline is installed, the double-end interface is installed firstly, then the single-end interface is installed, the temporary measure pipeline is connected with the pipeline which is laid in advance in a welding mode, and the position of an installation joint of the temporary measure pipeline can be as shown in figure 3. Wherein, the joint position between the temporary measure pipeline and the original pipeline comprises an F-shaped joint of the original accident water pipe. In order to prevent impurities from entering the pipeline system, all pipelines are preassembled according to the situation in the field before being installed, whether the pipeline sections are cleaned up or not is checked after proper adjustment, and the pipe orifices of the prefabricated pipelines are closed before being connected; the device can be installed after the inspection is qualified; the installed pipe section can not be perforated or cut, so that welding slag and metal chips can be prevented from entering the system. The principle that a main pipe is firstly installed and then a branch pipe is installed is adopted, the elevation of two ends of the pipe is adjusted according to the gradient requirement of the pipe after the pipe is hoisted in place, and if the elevation does not meet the design requirement, the elevation can be adjusted within the allowable range of relevant specifications according to the actual field. The distance between the central surfaces of two butt-joint welded junctions on the straight pipe section is not less than 150mm when the nominal diameter is more than or equal to 150 mm; when the nominal diameter is less than 150mm, it should not be less than the outer diameter of the tube. The longitudinal weld of the pipe section is to be placed in a position that is easy to repair and is not suitable for the bottom. The clear distance between the girth weld and the support hanger is not less than 50 mm. Most pipelines are coiled pipelines, longitudinal welding seams on the same cylinder section of the coiled pipe are not larger than two, and the distance between the two longitudinal welding seams is not smaller than 200 mm. When the pipe coiling groups are aligned, the distance between two longitudinal seams is more than 100mm, and the distance between the outer wall of the branch pipe and the welding seam is not more than 50 mm. When the pipeline is installed, the pipeline welding line of the pipeline bracket is required to avoid the bracket pipe support when the pipeline bracket is arranged. The distance between the welding seam of the pipeline cross and the edge of the pipe carrier is not less than 300 mm; the longitudinal weld should avoid the pipe bracket. The following requirements are met during the butt joint of the pipelines: a. polishing the groove before butt joint, and observing whether the groove has defects such as cracks and the like; b. when in butt joint, the inner wall is flush, and the misalignment amount is less than 10 percent of the wall thickness and not more than 2 mm; c. when the pipeline is connected, the defects of gaps, deflection, staggered joints or non-concentricity of the broken end surfaces of the interfaces and the like can not be eliminated by methods of strong butt joint, bias cushion addition or multi-layer cushion addition and the like. Before welding, the interior is cleaned. When the pipe fitting is aligned, the straightness is measured at a position 200mm away from the center of the interface, and when the nominal diameter of the pipe fitting is less than 100mm, the deviation is allowed to be 1 mm; when the pipe diameter is greater than or equal to 100mm, the allowable deviation is 2mm, and the allowable deviation of the full length is not more than 10 mm. The allowable deviation of the piping installation should comply with the following specifications of table 1:
TABLE 1 allowable deviation of piping installation (mm)
Note: l is the effective length of the pipeline; DN is nominal diameter of pipeline
Several points of attention are paid to the installation of the telescopic joint: a. the filler should be checked before the telescopic joint is installed, wherein the bolt must have sufficient adjustment margin. b. The model is checked according to design during installation, and the installation direction and the operation direction are determined according to the flow direction and the design requirement. Before installation, the expansion joint needs to be subjected to tightness test according to the standard requirement. c. When the valve is connected with the pipeline in a flange and thread mode, the valve is installed in a locking state.
The pipeline installation sequence is from the interface to the piping, and the interface is guaranteed to be tightly butted by taking the double interface as the priority. The pipeline welding seam can not be directly contacted with the bracket and the pipe bracket, and corresponding treatment measures are required when the pipeline welding seam can not be avoided. When the pipeline is installed, the position of the supporting and hanging bracket is fixed and adjusted in time, the installation is smooth and firm, the supporting and hanging bracket is tightly contacted with the pipe, and when the pipe frame is fastened on the inclined plane of the channel steel or the wing plate of the I-shaped steel, the bolt of the pipe frame is provided with a corresponding inclined gasket. After the pipeline is installed, checking the form and the position of the support hanger one by one according to design files, and checking whether the pipe bracket and the support bracket are fixed firmly and reliably. The hoisting of the pipeline bracket is selected according to actual conditions in the field, and a winch and a pulley can be used for hoisting in a matching way in places where a crane cannot be used.
In this embodiment, the threshold flow of the temporary measure pipeline is as follows: material checking → pipeline drawing checking → field measurement → drawing of pipeline empty view → calculation of blanking size → determination of the position of reserved weld crater → blanking, groove processing → assembly welding → numbering.
In this embodiment, the pipeline installation step is completed by utilizing the fixed repair time, so as to reduce the influence of the field processing process of the pipeline and the pipe fitting on the production as much as possible, and the field processing of each part is planned to be performed in advance. Original wear-resisting pipeline adopts flange joint with the temporary measure pipeline, and temporary measure pipeline interface is original accident water pipe F shape and connects and predetermine the joint of high department.
In summary, in the method for displacement construction of the wear-resistant pipe provided by this embodiment, the pipeline bracket is pre-embedded and mounted on the pit wall of the granulated slag pump pit, and the pipeline bracket is erected on the ground; and utilize the fixed repair time, arrange the temporary measure pipeline on pipeline bracket and pipeline bracket to carry out the piping at double-end interface and preset position department kneck, through the flange with temporary measure pipe connection to former pipeline on, in order to realize wear-resisting pipe displacement construction. The method reduces the workload of site construction as much as possible so as to reduce the influence on production, simultaneously, the parts adopt a site prefabrication mode, and the site installation is carried out by utilizing the fixed repair time so as to realize the connection between the newly-built pipeline and the original pipeline, thereby avoiding the production stop of construction, improving the construction efficiency and reducing the labor intensity of constructors.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The displacement construction method of the wear-resistant pipe is characterized by comprising the following steps:
a support mounting step, wherein a pipeline support is pre-buried and mounted on the pit wall of the granulated slag pump pit, and a pipeline bracket is erected on the ground;
and a pipeline mounting step, namely arranging temporary measure pipelines on the pipeline support and the pipeline bracket by using the fixed repair time, arranging a double-end interface and a pipe at the interface at a preset position, and connecting the temporary measure pipelines to the original pipeline through flanges.
2. The method for displacement construction of wear-resistant pipes according to claim 1,
in the pipeline installation step, the arrangement and installation of the temporary measure pipelines are carried out in sections, and the sections are connected through welding.
3. The method for displacement construction of the wear-resistant pipe according to claim 2, wherein the sections of the temporary measure pipeline are butted by adopting a V-shaped groove.
4. The method of displacement construction of wear resistant pipes according to any of claims 1 to 3,
when the temporary measure pipeline is installed, the double-end connector is installed firstly, then the single-end connector is installed, and the temporary measure pipeline is connected with the pipeline which is laid in advance through welding.
5. The method of displacement construction of wear resistant pipes according to any of claims 1 to 3,
before the pipeline support is installed, the suspension cage is hung at the position of a pit wall cornice of the granulated slag pump pit, so that the overhanging support is installed on the suspension cage.
6. The method of displacement construction of wear resistant pipes according to any of claims 1 to 3,
in the step of installing the bracket, the pipeline bracket is hoisted by a crane or hoisted by matching a winch and a pulley.
7. The method of displacement construction of a wear resistant pipe according to any one of claims 1 to 3, further comprising, before the bracket mounting step:
and a support prefabricating step, namely manufacturing the pipeline support, performing appearance inspection on the welding line, and performing anticorrosion treatment after the welding line is qualified.
8. The method of displacement construction of wear resistant pipes according to any of claims 1 to 3,
and a plurality of pipe clamps are arranged on the pipeline bracket to clamp and fix the temporary measure pipeline.
9. The method for displacement construction of wear-resistant pipes according to any one of claims 1 to 3, further comprising, before the step of prefabricating the brackets:
and a pre-preparation step, namely detecting and accepting the temporary measure pipeline, the pipeline bracket and the pipeline bracket.
10. The method of displacement construction of wear resistant pipes according to any of claims 1 to 3,
the joint position between the temporary measure pipeline and the original pipeline comprises an F-shaped joint of the original accident water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011374752.6A CN112524337A (en) | 2020-11-30 | 2020-11-30 | Displacement construction method for wear-resistant pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011374752.6A CN112524337A (en) | 2020-11-30 | 2020-11-30 | Displacement construction method for wear-resistant pipe |
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| CN112524337A true CN112524337A (en) | 2021-03-19 |
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| CN202011374752.6A Pending CN112524337A (en) | 2020-11-30 | 2020-11-30 | Displacement construction method for wear-resistant pipe |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062499A (en) * | 2013-01-06 | 2013-04-24 | 中国海洋石油总公司 | Submarine pipeline relocation process without stopping production in dry normal-pressure environment |
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2020
- 2020-11-30 CN CN202011374752.6A patent/CN112524337A/en active Pending
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|---|---|---|---|---|
| CN103062499A (en) * | 2013-01-06 | 2013-04-24 | 中国海洋石油总公司 | Submarine pipeline relocation process without stopping production in dry normal-pressure environment |
| CN105888148A (en) * | 2014-09-26 | 2016-08-24 | 安徽宝翔建设集团有限责任公司 | Equal height multi-caliber pipeline roof bearing shared support structure construction method |
| CN106049286A (en) * | 2016-06-15 | 2016-10-26 | 中交公局桥隧工程有限公司 | Integral lifting and installation construction method for prefabricated temporary steel pipe brackets |
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Application publication date: 20210319 |