CN114593274B - Installation method of deep well underwater transverse pipe treated by blue algae - Google Patents
Installation method of deep well underwater transverse pipe treated by blue algae Download PDFInfo
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- CN114593274B CN114593274B CN202210277669.XA CN202210277669A CN114593274B CN 114593274 B CN114593274 B CN 114593274B CN 202210277669 A CN202210277669 A CN 202210277669A CN 114593274 B CN114593274 B CN 114593274B
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- coupling device
- blue algae
- deep well
- transverse pipe
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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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/14—Laying or reclaiming pipes on or under water between the surface and the bottom
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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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/16—Laying or reclaiming pipes on or under water on the bottom
- F16L1/161—Laying or reclaiming pipes on or under water on the bottom the pipe 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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
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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
- F16L1/12—Laying or reclaiming pipes on or under water
- F16L1/20—Accessories therefor, e.g. floats, weights
- F16L1/235—Apparatus for controlling the pipe during laying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to the field of environmental protection equipment installation, in particular to a method for installing a deep well underwater transverse pipe treated by blue algae, which comprises the following steps: s1, installing a coupling device on a turnover bracket to form a turnover mechanism; s2, sealing and connecting the head section transverse pipe section on the outer end part of the coupling device; s3, fixing a turnover bracket in the turnover mechanism on the deep blue algae treatment well, so that the coupling device forms a certain angle relative to the deep blue algae treatment well, and the outer end part of the first transverse pipe section is ensured to be positioned above the water surface; s4, sequentially sealing and connecting the rest transverse pipe sections above the water surface until the connection of each transverse pipe section is completed; s5: turning the coupling device and all the transverse pipe sections connected with the coupling device to an angle perpendicular to the outer pipe well; s6: and sealing and butting the inner end part of the coupling device with an outlet on the side wall of the blue algae treatment deep well. According to the installation method, each transverse pipe section can be installed and constructed above the water surface, so that the construction cost is reduced, the installation difficulty is reduced, and the construction safety and accuracy are improved.
Description
Technical Field
The invention relates to the field of environmental protection equipment installation, in particular to an installation method of an underwater transverse pipe of a deep well for blue algae treatment.
Background
The water eutrophication, global climate warming, hydraulic condition change and other factors cause the fulminant growth and propagation of blue algae in most lakes and ponds nationwide to form water bloom, and the water bloom is gathered in a large quantity along with wind direction. The blue algae gathered in a large area is easy to death and spoil, the water quality is influenced, the drinking water safety is threatened, the water body landscape is damaged, the life and production of coastal residents are seriously influenced by the dispersed malodorous smell, the water bloom floating on the surface of the water body shields underwater light rays, dissolved oxygen is consumed in the blue algae necrosis process, the living condition of benthos is damaged, the water ecological hazard is caused, and the blue algae water bloom treatment is urgent. The capsule mass gel naturally formed on the outer surface of the blue algae is protected, and the blue algae cannot be digested and absorbed after being eaten by fishes and is discharged out of the body as it is.
With the continuous development of modern cities, people pay more and more attention to the quality of living environment, however, the problem of drinking water of human beings is endangered in blue algae outbreak, the control and treatment work of blue algae bloom is more and more serious, and at present, the blue algae outbreak cannot be effectively restrained by the prior art, and the blue algae can be collected and treated only after the blue algae outbreak. The conventional blue algae treatment method mainly comprises the following steps: mechanically salvaging or adding flocculant into blue algae water to separate, and forming algae residue into algae mud by using disc spiral filter and other filtering equipment. However, the treatment method or the treatment device has the defect of treating the symptoms and the root causes, and cannot effectively inhibit the blue algae in the natural water body, so that the need for early prevention and control of excessive growth of the blue algae is urgent.
Based on the shortcomings of the conventional blue algae treatment scheme, the prior patent application with the bulletin number of CN107265648A provides a blue algae deep well treatment device and a blue algae treatment method thereof, wherein the blue algae deep well treatment device comprises: the top of the deep well is provided with a water inlet and is inserted into a deep well at the bottom of the water body, a drainage device which is arranged at the side part of the deep well and is higher than the bottom of the water body is arranged in the deep well, a separation plate which extends towards the bottom of the deep well to form at least one backwater cavity is arranged in the deep well, the drainage device is communicated with the backwater cavity, and the bottom of the separation plate is provided with a backwater opening. According to the invention, blue algae can be crushed by utilizing the hydrostatic pressure formed by the water introduced into the deep well at the bottom of the deep well to form blue algae fragments, and the blue algae is drained to the bottom of the deep well and discharged out of the deep well by the negative pressure formed by the drainage device, so that the blue algae can be directly predated by fishes, zooplankton and benthonic animals in the water body, the high-efficiency ecological treatment of the blue algae is realized, the blue algae burst is effectively prevented, the water quality is effectively improved, the blue algae burst is restrained from the source, the blue algae pretreatment cost is reduced, and the odor is avoided.
In the patent, algae water obtained by blue algae deep well treatment equipment can be directly discharged out of a deep well through a drainage device; when the algae residue is required to be recycled, the algae residue is required to be conveyed into a sedimentation separation tank by adopting an algae slurry conveying channel transversely paved on a river bed for sedimentation recycling (recorded in the prior patent application with the application number of "", and the invention is named as an in-situ algae-water separation ecological purification system). In the prior art, in the process of performing underwater installation of a steel pipe having a large caliber and a long lateral length in a water body, the installation may be performed using an installation method as disclosed in publication No. CN 107191138A. The prior art is generally suitable for the occasion of offshore oil drilling, is not suitable for being used in lakes or rivers with shallow water depths, and is not suitable for the installation and connection of large-caliber bottom sealing steel pipes with closed bottoms. More importantly, in all the existing technical means for sinking pipes, the installation device used by the method is usually very complex, the underwater construction safety and the accuracy are low, and therefore, the installation method of the steel pipe for water purification has certain defects.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the method for installing the deep well underwater horizontal pipe processed by blue algae, which can install and construct each horizontal pipe section above the water surface, thereby reducing the construction cost, the installation difficulty and improving the construction safety and accuracy.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a method for installing a deep well underwater horizontal pipe treated by blue algae is characterized by comprising the following steps of: the method comprises the following steps:
s1, installing a coupling device on a turnover bracket to form a turnover mechanism;
s2, sealing and connecting the head section transverse pipe section to the outer end part of the coupling device, and installing a flow pushing device in the head section transverse pipe section;
s3, draining the turnover mechanism and the head section transverse pipe section connected with the turnover mechanism through a crane, fixing a turnover support in the turnover mechanism on a blue algae treatment deep well, and enabling the coupling device and the head section transverse pipe section connected with the coupling device to form a certain angle relative to the blue algae treatment deep well so as to ensure that the outer end part of the head section transverse pipe section is arranged above the water surface;
s4, sequentially sealing and connecting the rest transverse pipe sections above the water surface until the connection of each transverse pipe section is completed;
s5: the crane turns the coupling device and all the horizontal pipe sections connected with the coupling device to an angle vertical to the deep blue algae treatment well, so that all the horizontal pipe sections are buried in the underwater lake bed;
s6: and sealing and butting the inner end part of the coupling device with an outlet on the side wall of the blue algae treatment deep well.
The invention adopts the technical scheme, and the technical scheme relates to a method for installing a deep well underwater horizontal pipe treated by blue algae, which comprises the steps of S1 and S2 are implemented before launching installation, and the steps of S1 and S2 can be completed directly in a factory by adopting a welding procedure, wherein S1 is used for constructing a turnover mechanism, S2 is used for connecting a first section horizontal pipe section with a coupling device of the turnover mechanism, and a flow pushing device is installed in the coupling device. In the further implementation steps S3-S6, in step S3, the above-mentioned turning mechanism and the first section of the horizontal pipe connected thereto are immersed in water to be connected with the deep blue algae treatment well (the deep blue algae treatment well can be implemented by referring to the schemes described in the previous patents with application numbers of "CN201720870790.8", "CN201720870786.1", "CN201710585797.X", "CN201710585437.X", "CN201720870787.6" or "CN201720869988.4", belonging to the prior art), and the coupling device and the horizontal pipe connected thereto can rotate relative to the deep blue algae treatment well based on the setting of the turning mechanism. And in step S4, each transverse pipe section can be installed and constructed above the water surface by means of the turnover mechanism, so that the construction cost is reduced, the installation difficulty is reduced, and the construction safety and accuracy are improved. In the step S5, after all the transverse pipe sections are in sealing connection on water, the transverse pipe sections are flattened by means of a turnover mechanism and are buried in a water bottom lake bed; the inner end part of the coupling device in the state is propped against the outlet on the side wall of the blue algae treatment deep well; and in the step S6, sealing welding is performed underwater, so that the installation of the underwater transverse pipe can be completed.
In a specific embodiment, in step S4, a water construction platform is formed by using a transport ship and a crane, and the rest of the transverse pipe sections are sequentially and hermetically connected to the water construction platform. In the scheme, the transportation ship surface and the crane form a water construction installation platform, so that a foundation is provided for water construction; the water installation is realized by combining the turnover mechanism, so that the construction cost is reduced, the installation difficulty is reduced, and the construction safety and accuracy are improved.
In a further scheme, in the step S4, after each section of the transverse pipe section is connected in a sealing manner, the coupling device and the angle of the transverse pipe section connected to the coupling device relative to blue algae treatment deep well are adjusted through the crane so as to reduce the height of the outermost end of the transverse pipe section above the water surface. In the process, the angle between the transverse pipe and the blue algae treatment deep well is continuously reduced; when the next section of transverse pipe section is installed, the installation connection surface of the transverse pipe section can be guaranteed to be above the water surface, and can be guaranteed to be not higher than the water surface too much, so that welding operation can be conveniently carried out on the water construction platform.
By adopting the installation process, the angle between the transverse pipe and the blue algae treatment deep well is continuously reduced along with the continuous extension of the transverse pipe section in the process of vertically butting the transverse pipe to the blue algae treatment deep well until the transverse pipe is vertically embedded into the blue algae treatment deep well, and the process can achieve better guidance and correction for the transverse pipe installation and improve the installation accuracy.
Preferably, in the step S2, the coupling device is located between the outer end portion of the coupling device and the first transverse pipe section; in the step S4, two adjacent transverse pipe sections are arranged; in the step S6, the inner end part of the coupling device is connected with an outlet on the side wall of the blue algae treatment deep well; all are connected through the flange plate, and the connection surface is sealed through the sealing gasket.
Preferably, the turnover bracket comprises a fixed arm fixedly arranged on a blue algae treatment deep well and a rotating arm rotatably arranged on the fixed arm through a rotating shaft; the coupling device is connected to the rotating arm and can rotate along with the axis point of the rotating arm. In the scheme, a fixed arm of a turnover bracket is fixedly arranged on a blue algae treatment deep well, and a coupling device is fixedly connected with rotating arms at two sides and is generally connected in a welding mode; the rotating arm is rotationally connected with the fixed arm by adopting a rotating shaft, so that the coupling device can rotate relative to the blue algae treatment deep well.
Drawings
FIG. 1 is a schematic side view of an installation structure of a submerged cross pipe.
Fig. 2 is a schematic top view of the installation structure of the underwater horizontal pipe.
Fig. 3 is a schematic diagram of step 3 of the underwater lateral pipe installation method.
Fig. 4 is a schematic diagram of step 4 of the underwater lateral pipe installation method.
Fig. 5 is a schematic diagram of step 5 of the underwater lateral pipe installation method.
Description of the embodiments
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1-2, the present embodiment relates to an installation structure of an underwater horizontal pipe of a deep blue algae treatment well, which comprises a turnover mechanism 1 connected with the deep blue algae treatment well below the water surface, wherein the turnover mechanism 1 comprises a turnover bracket and a coupling device 11 installed on the turnover bracket. The turnover support is fixedly arranged on the blue algae treatment deep well 2, and the blue algae treatment deep well 2 can be implemented by referring to the scheme recorded in the prior patent with the application numbers of CN201720870790.8, CN201720870786.1, CN201710585797.X, CN201710585437.X, CN201720870787.6 or CN201720869988.4, and belongs to the prior art. In a specific scheme, the turnover support comprises a fixed arm 12 fixedly arranged on the blue algae treatment deep well 2 and a rotating arm 13 rotatably arranged on the fixed arm 12 through a rotating shaft 14. The coupling device 11 in the scheme is constructed to be rectangular with two open sides, the coupling device 11 is connected to the rotating arm 13 and can rotate along with the axis point of the rotating arm 13, specifically, the rotating arm 13 with two fixed sides of the coupling device 11 is a square steel tube, and the square steel tube is welded and fixed with the outer wall of the coupling device 11. In the scheme, the fixed arm 12 of the turnover support is fixedly arranged on the deep blue algae treatment well 2, the coupling device 11 is fixedly connected with the rotating arms 13 at two sides, and the rotating arms 13 are rotatably connected with the fixed arm 12 by adopting the rotating shaft 14, so that the coupling device 11 can rotate relative to the deep blue algae treatment well 2.
In the rotating path of the coupling device 11 along the axial point relative to the blue algae treatment deep well 2, after the inner end part of the coupling device 11 is propped against the outlet on the side wall of the blue algae treatment deep well 2, a flange plate can be adopted for connection, and the connection surface is sealed by a sealing gasket, wherein the sealing gasket can be a silica gel pad.
The underwater cross pipe to be installed in the above scheme comprises a plurality of segments 31. In the scheme shown in the figure, the first transverse pipe section 31 is connected to the outer end of the coupling device 11 in a sealing manner, and the rest of the transverse pipe sections 31 are connected to the outer side of the first transverse pipe section 31 in a sealing manner in sequence. The outer end part of the coupling device 11 is connected with the first transverse pipe section 31 and the two adjacent transverse pipe sections 31 through flanges, and the connecting surface is sealed through a sealing gasket, wherein the sealing gasket can be a silica gel pad. The turnover mechanism 1 in the scheme comprises the coupling device 11, and the coupling device 11 can rotate relative to the deep blue algae treatment well 2 along the axial point of the coupling device 11 and is used as a connecting component between the underwater transverse pipe and the outlet of the side wall of the deep blue algae treatment well 2. When installing horizontal pipe under water, based on tilting mechanism 1's setting, can install each horizontal pipe section 31 in the surface of water top construction to reduce construction cost, the installation degree of difficulty improves construction safety, accuracy.
In a further embodiment, at least one of the transverse pipe sections 31 is internally provided with a flow impeller. In a preferred embodiment, the impeller is fixedly mounted within the head transverse tube segment 31. The inside of the transverse pipe section 31 is provided with a flow pushing device, and algae water in the deep well 2 can be drained through negative pressure.
The installation structure of the underwater transverse pipe is constructed by adopting the following steps:
s1, installing the coupling device 11 on a turnover bracket to construct the turnover mechanism 1.
S2, the head section transverse pipe section 31 is connected to the outer end part of the coupling device 11 in a sealing mode, and a flow pushing device is arranged in the head section transverse pipe section 31.
S3 (refer to figure 3), the turnover mechanism 1 and the first-section horizontal pipe section 31 connected to the turnover mechanism 1 are launched by a crane, the turnover support in the turnover mechanism 1 is fixed on the blue algae treatment deep well 2, and meanwhile, the coupling device 11 and the first-section horizontal pipe section 31 connected to the turnover mechanism are at a certain angle relative to the blue algae treatment deep well 2, so that the outer end part of the first-section horizontal pipe section 31 is ensured to be placed above the water surface.
S4 (refer to figure 4) forming a water construction platform by adopting a transport ship and a crane, and sequentially and hermetically connecting the rest transverse pipe sections 31 on the water construction platform until the connection of each transverse pipe section 31 is completed. Further, after each horizontal pipe section 31 is connected in a sealing manner, the coupling device 11 and the horizontal pipe section 31 connected to the coupling device are adjusted through the crane to treat the angle of the deep well 2 relative to blue algae so as to reduce the height of the outermost end of the horizontal pipe section 31 above the water surface.
S5 [ refer to fig. 5 ]: the crane turns the coupling device 11 and all the transverse pipe sections 31 connected to the coupling device to an angle perpendicular to the blue algae treatment deep well, so that all the transverse pipe sections 31 are buried in the underwater lake bed.
S6: the inner end part of the coupling device 11 is in sealing butt joint with an outlet on the side wall of the blue algae treatment deep well 2.
The above-mentioned installation method is that steps S1 and S2 are performed before the installation in the water, and the above-mentioned steps S1 and S2 can be completed directly in the factory by adopting a welding process, wherein S1 is that the first transverse tube segment 31 is connected with the coupling device 11 of the turnover mechanism 1 for constructing the turnover mechanism 1, and the flow pusher is installed therein. Further, in the implementation of steps S3 to S6, in step S3, the above-mentioned turning mechanism 1 and the first horizontal pipe section 31 connected thereto are immersed in water to be connected to the blue algae treatment deep well 2, and the coupling device 11 and the horizontal pipe section 31 connected thereto are allowed to rotate with respect to the blue algae treatment deep well 2 based on the arrangement of the turning mechanism 1. Furthermore, in step S4, each transverse pipe section 31 can be installed and constructed above the water surface by means of the turnover mechanism 1, so that the construction cost is reduced, the installation difficulty is reduced, and the construction safety and accuracy are improved. In step S5, after all the cross pipe sections 31 have completed the sealing connection on the water, all the cross pipe sections 31 are laid flat and buried in the water bottom lake bed by means of the turning mechanism 1. The inner end of the coupling device 11 in this state is abutted against the outlet on the side wall of the blue algae treatment deep well 2. And in the step S6, sealing welding is performed underwater, so that the installation of the underwater transverse pipe can be completed.
By adopting the installation process, the ship conveying surface and the crane form a water construction installation platform, and a foundation is provided for water construction. And the turnover mechanism 1 is combined to realize water installation, so that the construction cost is reduced, the installation difficulty is reduced, and the construction safety is improved. In step S4, each section of the horizontal pipe section 31 is connected, the coupling device 11 and the angle of the horizontal pipe section 31 connected thereto relative to the blue algae treatment deep well 2 are adjusted by the crane, so as to reduce the height of the outermost end of the horizontal pipe section 31 above the water surface. In the process, the angle between the transverse pipe and the blue algae treatment deep well 2 is continuously reduced. So when installing next section horizontal tube section 31, the installation connection face of horizontal tube section 31 can guarantee to be in the surface of water top, can guarantee not more than the surface of water too much again, so can be convenient for carry out welding operation at the construction platform on water. The method realizes that in the process of vertically butting the transverse pipe with the blue algae treatment deep well 2, along with the continuous extension of the transverse pipe section 31, the angle between the transverse pipe section 31 and the blue algae treatment deep well 2 is continuously reduced until the transverse pipe section is vertically embedded into the blue algae treatment deep well 2, and the process can obtain better guidance and correction for the installation of the transverse pipe, and improves the installation accuracy.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (5)
1. A method for installing a deep well underwater horizontal pipe treated by blue algae is characterized by comprising the following steps of: the method comprises the following steps:
s1, installing a coupling device (11) on a turnover bracket to construct a turnover mechanism (1); the turnover bracket comprises a fixed arm (12) fixedly arranged on the blue algae treatment deep well (2), and a rotating arm (13) rotatably arranged on the fixed arm (12) through a rotating shaft (14); the coupling device (11) is constructed to be open at two sides, and the coupling device (11) is connected to the rotating arm (13) and can rotate along with the axis point of the rotating arm (13);
s2, sealing and connecting the first transverse pipe section (31) to the outer end part of the coupling device (11), and installing a flow pushing device in at least one section of transverse pipe section (31);
s3, draining the turnover mechanism (1) and the first-section horizontal pipe section (31) connected with the turnover mechanism, fixing the turnover support in the turnover mechanism (1) on the blue algae treatment deep well (2), and enabling the coupling device (11) and the first-section horizontal pipe section (31) connected with the coupling device to form a certain angle relative to the blue algae treatment deep well (2) so as to ensure that the outer end part of the first-section horizontal pipe section (31) is arranged above the water surface;
s4, sequentially sealing and connecting the rest transverse pipe sections (31) above the water surface until the connection of each transverse pipe section (31) is completed;
s5: turning over the coupling device (11) and all the transverse pipe sections (31) connected with the coupling device to an angle perpendicular to a blue algae treatment deep well, so that all the transverse pipe sections (31) are buried in a water bottom lake bed;
s6: and sealing and butting the inner end part of the coupling device (11) with an outlet on the side wall of the blue algae treatment deep well (2).
2. The method for installing the blue algae treated deep well underwater horizontal pipe according to claim 1, wherein the method comprises the following steps: in the step S4, a water construction platform is formed by adopting a transport ship and a crane, and the rest transverse pipe sections (31) are sequentially and hermetically connected on the water construction platform.
3. The method for installing the blue algae treated deep well underwater horizontal pipe according to claim 2, wherein the method comprises the following steps: in the step S4, after each section of the horizontal pipe section (31) is connected in a sealing manner, the coupling device (11) and the angle of the horizontal pipe section (31) connected with the coupling device relative to the blue algae treatment deep well (2) are adjusted through the crane, so that the height of the outermost end of the horizontal pipe section (31) above the water surface is reduced.
4. The method for installing the blue algae treated deep well underwater horizontal pipe according to claim 1, wherein the method comprises the following steps: in the step S2, the outer end part of the coupling device (11) is positioned between the first transverse pipe section (31); in the step S4, two adjacent transverse pipe sections (31) are arranged; in the step S6, the inner end part of the coupling device (11) is connected with an outlet on the side wall of the blue algae treatment deep well (2); all are connected through the flange plate, and the connection surface is sealed through the sealing gasket.
5. The method for installing the blue algae treated deep well underwater horizontal pipe according to claim 1, wherein the method comprises the following steps: the turnover support comprises a fixed arm (12) fixedly arranged on the blue algae treatment deep well (2), and a rotating arm (13) rotatably arranged on the fixed arm (12) through a rotating shaft (14); the coupling device (11) is connected to the rotating arm (13) and can rotate along with the axis point of the rotating arm (13).
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| CN202210277669.XA CN114593274B (en) | 2022-03-21 | 2022-03-21 | Installation method of deep well underwater transverse pipe treated by blue algae |
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| CN202210277669.XA CN114593274B (en) | 2022-03-21 | 2022-03-21 | Installation method of deep well underwater transverse pipe treated by blue algae |
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| CN114593274B true CN114593274B (en) | 2023-08-11 |
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| CN112923132A (en) * | 2021-01-25 | 2021-06-08 | 中交第一航务工程局有限公司 | GRP pipeline underwater installation system and installation method |
| CN113531210A (en) * | 2021-07-06 | 2021-10-22 | 广西华硕建设工程有限公司 | Method for underwater immersed tube construction |
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2022
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| CN1109835A (en) * | 1993-12-29 | 1995-10-11 | 麦克德莫特国际公司 | Apparatus for near vertical laying of pipeline |
| CN1468160A (en) * | 2000-10-24 | 2004-01-14 | Method and apparatus for welding pipes together | |
| KR100776673B1 (en) * | 2007-01-15 | 2007-11-16 | 주식회사 케이티서브마린 | Gathering system of deep sea water and thereof installation method of deep sea water gathering pipes |
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| CN105757340A (en) * | 2016-04-05 | 2016-07-13 | 哈尔滨工程大学 | Deep-water quick J-type laying system |
| CN106090430A (en) * | 2016-08-03 | 2016-11-09 | 上海振华重工(集团)股份有限公司 | Duct end installation system |
| CN112728212A (en) * | 2020-12-24 | 2021-04-30 | 中交第三航务工程局有限公司 | Offshore immersed pipe of sewage sea area discharge pipe and underwater installation construction method |
| CN112923132A (en) * | 2021-01-25 | 2021-06-08 | 中交第一航务工程局有限公司 | GRP pipeline underwater installation system and installation method |
| CN113531210A (en) * | 2021-07-06 | 2021-10-22 | 广西华硕建设工程有限公司 | Method for underwater immersed tube construction |
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| CN114593274A (en) | 2022-06-07 |
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