CN113546928A - Temporary washing tool, mounting tool and method and cleaning method of pipeline structure - Google Patents
Temporary washing tool, mounting tool and method and cleaning method of pipeline structure Download PDFInfo
- Publication number
- CN113546928A CN113546928A CN202110801536.3A CN202110801536A CN113546928A CN 113546928 A CN113546928 A CN 113546928A CN 202110801536 A CN202110801536 A CN 202110801536A CN 113546928 A CN113546928 A CN 113546928A
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- Prior art keywords
- valve
- plate
- tool
- temporary
- side plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a temporary washing tool, an installation tool for installing the temporary washing tool, an installation method of the temporary washing tool, and a cleaning method of a pipeline structure adopting the temporary washing tool. The temporary washing tool comprises a stress assembly, a blocking plate assembly and a connecting sleeve, wherein the stress assembly comprises a base and a first ball-head screw rod, one end of the first ball-head screw rod is hinged to the base, the other end of the first ball-head screw rod is in threaded connection with the connecting sleeve, the blocking plate assembly comprises a side plate unit and a stress rod, one end of the stress rod is connected with the other end of the connecting sleeve, the other end of the stress rod is connected with the side plate unit, the base abuts against the side of an inlet pipe of a valve to be used for abutting against the side plate unit, and therefore the side plate unit is blocked by the outlet pipe side of the valve. The temporary flushing tool can effectively adjust the sequence of flushing and blasting purging of the secondary loop of the nuclear power station according to actual conditions, and the cleaning efficiency of the pipeline is improved.
Description
Technical Field
The invention relates to a temporary washing tool, an installation tool for installing the temporary washing tool, an installation method of the temporary washing tool and a cleaning method of a pipeline structure adopting the temporary washing tool.
Background
The nuclear reactor group is equipped with two return circuit pipe-line systems, including steam conduit and water supply line, and wherein, steam conduit uses compressed air to explode and sweeps, and water supply line uses demineralized water to wash, and steam conduit's compressed air derives from compressed air supply system, compressed air supply system includes steam generator, and water system is provided with the check valve before getting into steam generator. In the prior art, a pipeline system is generally not installed at a reserved part of a formal pipeline during flushing, a temporary pipe is connected for flushing, and the formal pipeline is recovered after flushing, and the mode has the following defects:
firstly, the conventional implementation mode of flushing and blasting purging of the second loop of the nuclear power station can only flush the water supply pipeline firstly, and can only perform blasting purging work after the temporary pipeline is dismantled and the formal pipeline is recovered, so that the logical relationship between flushing and blasting cannot be adjusted according to the actual field progress;
secondly, the recovery period of the main pipeline is long, and after the main pipeline is washed, the processes of temporary pipeline cutting, formal pipeline welding, groove polishing and welding, nondestructive testing and the like are required for the recovery of the main pipeline, so that the next process is not facilitated to be carried out in time.
Finally, the cleanliness is difficult to control, the temporary pipeline is dismantled, and the formal pipeline cannot be washed again after being recovered, so that the risk of foreign matters entering the pipeline is avoided.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a temporary flushing tool, an installation tool for installing the temporary flushing tool, an installation method for the temporary flushing tool and a cleaning method for a pipeline structure by adopting the temporary flushing tool, aiming at the defects in the prior art, wherein the temporary flushing tool can effectively change the logical relationship between pipeline flushing and blasting purging.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a wash interim frock for valve gap is taken over, includes atress subassembly, closure plate subassembly, adapter sleeve, the atress subassembly includes base and first bulb screw rod, the one end of first bulb screw rod articulates on the base, the other end with adapter sleeve threaded connection, the closure plate subassembly includes curb plate unit and atress pole, the one end of atress pole with adapter sleeve's the other end is connected, the other end of atress pole with curb plate unit connects, through inciting somebody to action the base supports and leans on the inlet tube side at the valve for support tightly curb plate unit, and then make curb plate unit plugs up the export pipe side of valve.
Preferably, the side plate unit comprises a first side plate, a second side plate, a movable unit and a sealing ring unit, the first side plate is arranged at the inner side of the second side plate, a threaded hole is arranged on the first side plate, the stress rod is in threaded connection with the first side plate, the stress rod penetrates through the first side plate to be fixedly connected with the movable unit, the movable unit is arranged between the first side plate and the second side plate, the first side plate and the second side plate are connected through the movable unit, the sealing ring unit is arranged outside the movable unit, and be in between first curb plate with the second curb plate, the outer circumference of activity unit with the sealing washer unit contacts the extrusion, rotates the atress pole, can promote the activity unit along atress pole axial motion to compress tightly or loosen the sealing washer unit.
Preferably, the activity unit includes activity curb plate, thrust bearing, pin, the activity curb plate is located between first curb plate and the second curb plate, the pin passes in proper order first curb plate the activity curb plate the second curb plate to be used for fixed first curb plate and second curb plate, the border of activity curb plate is equipped with first spacing ring, first spacing ring is located the activity curb plate is close to the one end of second curb plate to inlay and establish in the recess of second curb plate, the inner wall of first curb plate with the outer wall block of first spacing ring, just first spacing ring all the time with the sealing unit contact extrusion, the external diameter of first spacing ring reduces in proper order from the direction of first curb plate towards the second curb plate. One end of the movable side plate, which is close to the first side plate, is fixedly connected with a seat ring of the thrust bearing, and the tail end of the stress rod is fixedly connected with a shaft ring of the thrust bearing.
Preferably, the sealing ring unit comprises an O-shaped sealing ring and a long-strip-shaped sealing ring, the O-shaped sealing ring is arranged on the inner side of the long-strip-shaped sealing ring, the inner side of the O-shaped sealing ring is in contact extrusion with the outer wall of the first limiting ring, and the outer side of the long-strip-shaped sealing ring is in contact extrusion with the inner wall of the outlet pipe side of the valve.
Preferably, the base is provided with a plurality of openings through which the flushing water flows.
The invention also provides a mounting tool for the temporary flushing tool, which is used for mounting the temporary flushing tool and comprises a first adjusting component and a second adjusting component, wherein the first adjusting component is fixedly connected with the blocking plate component of the temporary flushing tool and used for adjusting the height of the blocking plate component in the vertical direction to be aligned with the height of the outlet pipe side of the valve and driving the blocking plate component to move towards the outlet pipe side of the valve, and the second adjusting component is used for abutting the blocking plate component against the outlet pipe side of the valve.
Preferably, the first adjusting component comprises a supporting unit, a sling and a steel rod, the supporting unit comprises a first support, a second support and two supporting adjusting pieces, the first support is of a straight rod type and horizontally arranged above the opening at the top of the valve, the two supporting adjusting pieces are respectively sleeved at two ends of the first support and respectively arranged at two sides of the opening at the top of the valve, the second support is of an L-shaped, the vertical end of the second support is fixedly connected to the first support and can be positioned in the valve, the horizontal end of the second support is used for being connected with the blocking plate component, the height of the blocking plate component can be adjusted to be aligned with the height of the outlet pipe side by adjusting the height of the supporting adjusting pieces in the vertical direction, and the first support slides in the through hole of the supporting adjusting piece to drive the blocking plate component to move towards the outlet pipe side, one end of the sling is fixedly connected to the first support, the other end of the sling is used for being connected to the plug board assembly, so that the plug board assembly is hung into the valve, the steel rod is vertically arranged, one end of the steel rod is connected to the horizontal end of the second support, and the other end of the steel rod is used for being connected to a stress rod of the washing temporary tool and used for keeping the stress rod horizontal.
Preferably, the second adjusting component comprises a second ball-head screw and a jacking plate, the shape and the size of the jacking plate are consistent with those of the base and are used for abutting against the inlet pipe side of the valve, one end of the second ball-head screw is hinged to the jacking plate, and the other end of the second ball-head screw is used for being in threaded connection with a connecting sleeve of the flushing temporary tool and is used for abutting against the blocking plate component on the outlet pipe side of the valve.
The invention also provides an installation method of the temporary washing tool, which comprises the following steps:
hoisting the plugging plate assembly of the temporary washing tool into the valve by adopting the sling in the mounting tool;
adjusting the position of the blocking plate assembly by adopting a supporting unit in the mounting tool so as to enable a stress rod of the washing temporary tool to be in a horizontal position;
aligning the closure plate assembly to the outlet tube side of the valve using the support unit;
adopting a second adjusting component in the mounting tool to tightly abut the blocking plate component on the outlet pipe side;
and then connecting the first ball-head screw rod and the base with the blocking plate assembly, thereby completing the installation of the temporary flushing tool.
The invention also provides a cleaning method of a pipeline structure, the pipeline structure comprises a steam pipeline with steam as a medium, a water supply pipeline with water as a medium, a valve, a flushing water supply system, a compressed air supply system and the temporary flushing tool, the temporary flushing tool is arranged in the valve, the steam pipeline is used for communicating the compressed air supply system and the outlet pipe side of the valve, the water supply pipeline is used for communicating the flushing water supply system and the inlet pipe side of the valve, and the method comprises the following steps:
the temporary washing tool is arranged in the valve, wherein a base in the temporary washing tool is abutted against the side of an inlet pipe of the valve, a blocking plate assembly in the temporary washing tool blocks the side of an outlet pipe of the valve,
the steam pipe is burst-purged by compressed air generated by the compressed air supply system and/or the water supply pipe is flushed by flush water generated by the flush water supply system.
The temporary flushing tool is arranged in the valve, so that the outlet pipe side of the valve can be effectively blocked, the blasting purging and the flushing procedures are not interfered with each other, the sequence of flushing and blasting purging can be determined according to the actual conditions in the field, the recovery period is short, and the efficiency is high.
Drawings
Fig. 1 is a sectional view of a flushing temporary tool in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a top view of the stressed base in embodiment 1 of the present invention;
FIG. 5 is a front view of a ball-end screw in embodiment 1 of the present invention;
FIG. 6 is a sectional view of a joint sleeve according to example 1 of the present invention;
FIG. 7 is a front view of the force-receiving lever in embodiment 1 of the present invention;
fig. 8 is a bottom view of the first side panel in embodiment 1 of the invention;
fig. 9 is a front view of a pin in embodiment 1 of the invention;
fig. 10 is a top view of a movable side plate in embodiment 1 of the present invention;
fig. 11 is a top view of a second side plate in embodiment 1 of the invention;
FIG. 12 is a first schematic view of an installation process in embodiment 3 of the present invention;
FIG. 13 is a second schematic view of an installation process in embodiment 3 of the present invention;
FIG. 14 is a third schematic view showing an installation process in embodiment 3 of the present invention;
fig. 15 is a fourth schematic view of an installation process in embodiment 3 of the present invention;
fig. 16 is a fifth schematic view of an installation process in embodiment 3 of the present invention;
fig. 17 is a sixth schematic view showing an installation process in embodiment 3 of the present invention;
fig. 18 is a seventh schematic view of an installation process in embodiment 3 of the present invention.
In the figure: 1-a base, 2-a first ball-end screw rod, 3-a connecting sleeve, 4-a stress rod, 5-a first side plate, 6-a pin, 7-a movable side plate, 8-a second side plate, 9-a thrust bearing, 10-an O-shaped sealing ring, 11-a long strip-shaped sealing ring, 12-a screw, 13-a first support, 131-a second support, 14-a supporting block, 15-a support screw rod, 16-a sling, 17-a steel rod, 18-a tightening plate and 19-a valve.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of the present invention.
In the description of the present invention, it should be noted that the indication of orientation or positional relationship, such as "on" or the like, is based on the orientation or positional relationship shown in the drawings, and is only for convenience and simplicity of description, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "disposed," "mounted," "fixed," and the like are to be construed broadly, e.g., as being fixedly or removably connected, or integrally connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
The invention provides a temporary washing tool, which is used for a valve bonnet connecting pipe and comprises a stress assembly, a blocking plate assembly and a connecting sleeve, wherein the stress assembly comprises a base and a first ball-head screw rod, one end of the first ball-head screw rod is hinged on the base, the other end of the first ball-head screw rod is in threaded connection with the connecting sleeve, the blocking plate assembly comprises a side plate unit and a stress rod, one end of the stress rod is connected with the other end of the connecting sleeve, the other end of the stress rod is connected with the side plate unit, and the base is abutted against the inlet pipe side of a valve to be used for abutting against the side plate unit, so that the side plate unit blocks the outlet pipe side of the valve.
The invention also provides an installation tool for installing the temporary flushing tool, which comprises a first adjusting component and a second adjusting component, wherein the first adjusting component is fixedly connected with the blocking plate component of the temporary flushing tool, is used for adjusting the height of the blocking plate component in the vertical direction to be aligned with the height of the outlet pipe side of the valve and driving the blocking plate component to move towards the outlet pipe side of the valve, and the second adjusting component is used for abutting the blocking plate component against the outlet pipe side of the valve.
The invention also provides an installation method of the temporary washing tool, which comprises the following steps:
hoisting the plugging plate assembly of the temporary washing tool into the valve by adopting the sling in the mounting tool;
adjusting the position of the blocking plate assembly by adopting a supporting unit in the mounting tool so as to enable a stress rod of the washing temporary tool to be in a horizontal position;
aligning the closure plate assembly to the outlet tube side of the valve using the support unit;
adopting a second adjusting component in the mounting tool to tightly abut the blocking plate component on the outlet pipe side;
and then connecting the first ball-head screw rod and the base with the blocking plate assembly, thereby completing the installation of the temporary flushing tool.
The invention also provides a cleaning method of a pipeline structure, the pipeline structure comprises a steam pipeline with steam as a medium, a water supply pipeline with water as a medium, a valve, a flushing water supply system, a compressed air supply system and the temporary flushing tool, the temporary flushing tool is arranged in the valve, the steam pipeline is used for communicating the compressed air supply system and the outlet pipe side of the valve, the water supply pipeline is used for communicating the flushing water supply system and the inlet pipe side of the valve, and the method comprises the following steps:
the temporary washing tool is arranged in the valve, wherein a base in the temporary washing tool is abutted against the side of an inlet pipe of the valve, a blocking plate assembly in the temporary washing tool blocks the side of an outlet pipe of the valve,
the steam pipe is burst-purged by compressed air generated by the compressed air supply system and/or the water supply pipe is flushed by flush water generated by the flush water supply system.
Example 1
As shown in fig. 1, this embodiment discloses a wash interim frock for valve gap is taken over, including the atress subassembly, the closure plate subassembly, connecting sleeve 3, the atress subassembly includes base 1 and first bulb screw rod 2, the one end of first bulb screw rod 2 articulates on base 1, the other end and connecting sleeve 3 threaded connection, the closure plate subassembly includes curb plate unit and atress pole 4, the one end of atress pole 4 is connected with connecting sleeve 3's the other end, the other end and the curb plate unit connection of atress pole 4, through leaning on base 1 at the inlet pipe side of valve 19, so as to be used for supporting tight curb plate unit, and then make the curb plate unit plug up the outlet pipe side of valve 19.
In this embodiment, the side plate unit comprises a first side plate 5, a second side plate 8, a movable unit and a sealing ring unit, the first side plate 5 is arranged at the inner side of the second side plate 8, a threaded hole is formed in the center of the first side plate 5, the stress rod 4 passes through the threaded hole to be in threaded connection with the first side plate 5, and the stress rod 4 passes through the central hole of the first side plate 5 and is fixedly connected with a movable unit which is arranged between the first side plate 5 and the second side plate 8, the first side plate 5 is connected with the second side plate 8 through a movable unit, the sealing ring unit is arranged outside the movable unit and is sleeved on the movable unit, the position of the movable unit is between the first side plate 5 and the second side plate 8, the outer circumference of the movable unit is contacted and extruded with the sealing ring unit, the stress rod 4 is rotated, the movable unit can be pushed to move axially along the stress rod 4, and the sealing ring unit is pressed or loosened.
As shown in fig. 1 and 3, optionally, the movable unit includes a movable side plate 7, a thrust bearing 9, and a pin 6, where the movable side plate 7 is disposed between the first side plate 5 and the second side plate 8, the pin 6 sequentially passes through the first side plate 5, the movable side plate 7, and the second side plate 8 to fix the first side plate 5 and the second side plate 8, the edge of the movable side plate 7 is provided with a first limit ring, the first limit ring is disposed at one end of the movable side plate 7 close to the second side plate 8, a groove is disposed on an inner side surface of the second side plate 8, the first limit ring is embedded in the groove of the second side plate 8, an inner wall of the first side plate 5 is engaged with an outer wall of the first limit ring, and the first limit ring is always in contact with the sealing unit for extrusion.
The movable side plate 7 can be slidably sleeved on the pin 6, and the movable side plate 7 can do linear motion along the axial direction of the stress rod 4, so that the contact position of the first limiting ring and the sealing ring unit is changed. One end of the movable side plate 7 close to the first side plate 5 is fixedly connected with a race of the thrust bearing 9 through a screw 12, the tail end of the stress rod 4 is fixedly connected with a shaft ring of the thrust bearing 9, and the stress rod 4 linearly moves along the axis direction of the stress rod by rotating the stress rod 4, so that the movable side plate 7 is pushed to move between the first side plate 5 and the second side plate 8.
Alternatively, the outer diameters of the first retainer rings decrease in order from the first side plate 5 toward the second side plate 8. Because first spacing ring contacts the extrusion with the sealing washer unit all the time, when activity curb plate 7 was linear motion under the effect of atress pole 4, can change the contact position of first spacing ring and sealing washer unit, and the diameter of first spacing ring is reduced by the direction of first curb plate to second curb plate in proper order to can adjust the compression or the expansion degree of sealing washer unit, thereby improve the leakproofness between export pipe side inner wall and the sealing washer unit.
As shown in fig. 2, the sealing ring unit includes an O-ring 10 and an elongated sealing ring 11, the O-ring 10 is disposed on the inner side of the elongated sealing ring 11, the inner side of the O-ring 10 is in contact with and pressed against the outer wall of the first limiting ring, and the outer side of the elongated sealing ring 11 is in contact with and pressed against the inner wall of the outlet pipe side of the valve 19. The double-layer sealing ring design is beneficial to enhancing the sealing performance of the outlet pipe side of the valve 19.
As shown in fig. 4, the base 1 is provided with a plurality of openings, and the flushing water flows in from the inlet pipe side, flows out through the openings, enters the inside of the valve 19, and finally flows out from the valve cover opening of the valve 19.
As shown in fig. 4, 8, 10 and 11, the base 1, the first side plate 5, the second side plate 8 and the movable side plate 7 are all in a disc structure, and round holes through which the pins 6 pass are arranged at positions corresponding to the first side plate 5, the second side plate 8 and the movable side plate 7. The outer edge of one side that first curb plate 5 is close to second curb plate 8 is equipped with the second spacing ring, the first spacing ring joint of activity curb plate 7 is in the second spacing ring of first curb plate, one side that second curb plate 8 is close to first curb plate 5 is equipped with the recess, the first spacing ring of activity curb plate 7 inlays to be established in the recess, leave the gap between the outer edge of second spacing ring and second curb plate 8, sealing washer unit locates in this gap, and leave great space in the middle of first curb plate 5 and the second curb plate 8, a place for providing activity curb plate 7 along 4 axis linear motion of atress pole.
As shown in fig. 5, 6, and 7, the first ball-head screw 2 is in the shape of a long rod, the ball-head end of the first ball-head screw is hinged to the base 1, and can rotate, the end of the other end is provided with an external thread, the inner wall of one end of the connecting sleeve 3 connected to the first ball-head screw 2 is provided with an internal thread, the first ball-head screw 2 is in threaded connection with the connecting sleeve 3, correspondingly, the stress rod 4 is in the shape of a long rod, the cross section of the stress rod is circular, one end of the stress rod is rotatably sleeved on the other end of the connecting sleeve 3, and the stress rod 4 and the connecting sleeve 3 can move linearly along the axial direction by rotating the first ball-head screw 2.
As shown in fig. 9, the pin 6 is used to connect the first side plate 5 and the second side plate 8, the outer surface of the middle section of the pin 6 is smooth and unthreaded, and the movable side plate 7 can move along the axial direction of the pin 6.
In this embodiment, wash interim frock and locate inside valve 19, can effectively block up the outlet pipe side of valve 19 for the process that the blasting was swept and was washed mutually noninterference, thereby can decide the order of washing and blasting sweeping according to on-the-spot actual conditions. The recovery period is short and the efficiency is high.
Example 2
The embodiment discloses a wash mounting tool of interim frock for wash interim frock in installation embodiment 1, including first adjusting part and second adjusting part, first adjusting part and the closure plate subassembly fixed connection who washes interim frock for adjust the closure plate subassembly highly align with the outlet pipe side of valve 19 in vertical direction, and drive the closure plate subassembly towards the outlet pipe side motion of valve 19, the second adjusting part is used for supporting the closure plate subassembly tightly at the outlet pipe side of valve 19.
In this embodiment, the first adjusting component includes a supporting unit, a sling 16, a steel rod 17, the supporting unit includes a first support 13, a second support 131, and a supporting adjusting member, the first support 13 is a straight rod type, and is horizontally disposed above the opening at the top of the valve 19, the supporting adjusting member includes two supporting blocks 14 and two support screws 15, the support screws 15 are fixedly disposed at two sides above the opening at the top of the valve 19, the supporting blocks 14 are sleeved on the support screws 15 through nuts, horizontal through holes are disposed on the supporting blocks 14, and the first support 13 is supported on the supporting blocks 14 through the through holes. The second support 131 is L-shaped, including vertical section and horizontal segment, its vertical end fixed connection can be in valve 19 on first support 13, the horizontal end of second support 131 is used for being connected with closure plate subassembly fixed connection, through adjusting the vertical position of supporting shoe 14 on support screw 15, thereby adjust the height of first support 13 in vertical direction, and then can make the height of closure plate subassembly highly align with the height of outlet pipe side, adjust first support 13 again and slide in the through-hole of supporting shoe 14, thereby the motion of drive closure plate subassembly towards outlet pipe side.
One end of a sling 16 is fixedly connected to the first support 13, the other end of the sling is used for being connected to the plugging plate assembly so as to lift the plugging plate assembly into the valve 19, the steel rod 17 is vertically arranged, one end of the steel rod is connected to the horizontal end of the second support 131, and the other end of the steel rod is used for being connected to the stress rod 4 of the temporary washing tool so as to keep the stress rod 4 horizontal.
In this embodiment, the second adjusting component includes second bulb screw and puller plate 18, and the shape and the size of puller plate 18 are unanimous with base 1 for support at the inlet pipe side that leans on valve 19, and the second adjusting component includes second bulb screw and puller plate 18, and the second bulb screw articulates on puller plate 18, and the other end and connecting sleeve 3 threaded connection, the shape and the size of puller plate 18 are the same with base 1. The size and the model of second bulb screw rod are the same with first bulb screw rod 2, can be with connecting sleeve 3 threaded connection, and the weight of tight board 18 in top is less than base 1's weight, consequently, uses the tight board 18 in top to replace base 1 in the installation and make stifled tight export pipe side of closure plate subassembly, and after closure plate subassembly installation was accomplished, the second regulating assembly under the replacement is connected atress subassembly and closure plate subassembly again.
In this embodiment, the installation tool is a special tool adapted to the flushing temporary tool, and the flushing temporary tool can be quickly and efficiently installed inside the valve 19 under the installation of the first adjusting assembly and the second adjusting assembly.
Example 3
The embodiment discloses an installation method of a washing temporary tool in embodiment 1, which includes the following steps:
hoisting the plugging plate assembly of the flushing temporary tooling to the interior of the valve 19 by using the sling 16 in the installation tool in the embodiment 2;
the position of the blocking plate assembly is adjusted by adopting a supporting unit in the mounting tool, so that the stress rod 4 for washing the temporary tool is in a horizontal position;
the support unit is used to align the closure plate assembly to the outlet tube side of the valve 19;
a second adjusting component is adopted to tightly support the blocking plate component on the side of the outlet pipe;
and then the first ball head screw 2 and the base 1 are connected with the blocking plate assembly, so that the installation of the temporary flushing tool is completed.
As shown in fig. 12 and 13, first, a screw is screwed to the pin 6 of the closure plate assembly, one end of the suspension cable 16 is looped around the screw, and the suspension cable 16 is fixed to the screw using a nut, and the closure plate assembly is lifted from the valve cover opening at the top of the valve 19 to the inside of the valve 19 by the suspension cable 16.
Next, the closure plate assembly is adjusted to the position where the force-bearing rod 4 is horizontal, as shown in fig. 14, with the sling 16 as close to the inner wall of the outlet side tube as possible against the valve cover of the valve 19.
As shown in fig. 15, two support screws 15 are fixed to a proper position above the top opening of the valve 19, the support block 14 is sleeved on the support screws 15 and fixed by nuts, the first bracket 13 passes through the horizontal through hole on the support block 14, at this time, the horizontal end of the second bracket 131 is positioned inside the valve 19, one end of the steel rod 17 is wound around the stress rod 4, and the other end of the steel rod 17 is fixed to the horizontal end of the second bracket 131, so that the steel rod 17 is perpendicular to the stress rod 4.
As shown in fig. 16, the sling 16 is taken out, the support screw 15 is adjusted, the support block 14 is moved in the vertical direction, the position of the first support 13 in the vertical direction is adjusted, the position of the closure plate assembly in the vertical direction is adjusted, the closure plate assembly is aligned with the outlet pipe side in height, the first support 13 is moved to slide in the through hole of the support block 14, the first support 13 is moved to the outlet pipe side along the through hole of the support block 14, and the first support 13 drives the steel rod 17 and the closure plate assembly to move until the closure plate assembly enters the outlet pipe of the check valve.
As shown in fig. 17, the second ball-end screw of the second adjusting assembly is connected with one end of the connecting sleeve 3 by screw thread, the other end is hinged on the tightening plate 18, the tightening plate 18 is abutted against the inner wall of the inlet pipe side, the other end of the connecting sleeve 3 is sleeved on the stress rod 4, the second ball-end screw is rotated to make the connecting sleeve 3 move to the outlet pipe side of the valve 19 and contact the stress rod 4, and then drive the closure plate assembly to move, make the second curb plate 8 support and tightly lean on the outlet pipe side at valve 19, rotate the stress pole 4 again, the stress pole 4 drives thrust bearing 9 and removes, thrust bearing 9 drives movable curb plate 7 and removes, movable curb plate 7 removes to the direction of keeping away from second curb plate 8, make O type sealing washer 10 and rectangular shape sealing washer 11 expand and open, it is suitable to open the range up to O type sealing washer 10 and rectangular shape sealing washer 11, make closure plate assembly and outlet pipe side inner wall have good leakproofness.
As shown in fig. 18, finally, the connecting sleeve 3 is unscrewed, the tightening plate 18 and the second ball-end screw are taken out, the connecting sleeve 3 is connected with the first ball-end screw 2, the base 1 is placed on the inlet pipe side of the valve 19, the connecting sleeve 3 is rotated again, the stress rod 4 enters the connecting sleeve 3, the connecting sleeve 3 is made to tighten the blocking plate component, the screw is unscrewed from the pin 6 again, the steel rod 17 fixed on the second support 131 is taken down, the second support 131 is taken out of the valve 19, the support screw 15 and the support block 14 are removed, and the temporary washing tool mounting process is ended.
In this embodiment, the installation tool in embodiment 2 can be used to quickly and effectively install the temporary flushing tool in embodiment 1 at a designated position in the valve 19, so as to improve the progress of the subsequent processes, and enable the logical relationship between flushing and blasting purging to change along with the actual conditions in the field.
Example 4
The embodiment discloses a cleaning method of a pipeline structure, the pipeline structure comprises a steam pipeline with a medium of steam, a water supply pipeline with a medium of water, a valve 19, a flushing water supply system, a compressed air supply system and a temporary flushing tool in the embodiment 1, the temporary flushing tool is arranged inside the valve 19, the steam pipeline is used for communicating the compressed air supply system and the outlet pipe side of the valve 19, the water supply pipeline is used for communicating the flushing water supply system and the inlet pipe side of the valve 19, and the method comprises the following steps:
installing a temporary flushing tool inside the valve 19, wherein a base 1 in the temporary flushing tool abuts against the side of an inlet pipe of the valve 19, a blocking plate assembly in the temporary flushing tool blocks the side of an outlet pipe of the valve 19,
the steam pipe is burst-purged by compressed air generated by the compressed air supply system and/or the water supply pipe is flushed by flush water generated by the flush water supply system.
In this embodiment, the compressed air in the steam pipeline is supplied from the compressed air supply system, and is cleaned by blasting and purging the steam pipeline with high-pressure steam, when the blocking plate component blocks the outlet pipe side of the valve 19, the steam pipeline takes the blocking plate component as a boundary to perform blasting purging on the steam pipeline, and the flush water of the water supply line is supplied from the flush water supply system, when the closure plate assembly blocks the outlet pipe side of the valve 19, the washing water flows out from the washing water supply system, flows in from the inlet pipe side of the valve 19, passes through the base 1, finally flows out from the valve cover opening of the valve 19, because the temporary washing tool separates the steam pipeline from the water supply pipeline, the steam pipeline and the water supply pipeline are not affected with each other in the working process, therefore, the sequence of the blasting purging of the steam pipeline and the flushing of the water supply pipeline can be adjusted according to the actual situation on site, or the blasting purging and the flushing are carried out simultaneously.
Optionally, the end that is connected at the outlet pipe side of steam conduit and valve 19 is equipped with the leakproofness sense tube, and compressed air supply system includes steam generator, when the outlet pipe side inner wall of closure plate subassembly and valve 19 has the sparge water to leak, can in time pass through this leakproofness sense tube discovery to in time adjustment is overhauld, can prevent effectively that the sparge water from entering into steam generator.
In this embodiment, can keep apart steam conduit and water supply line effectively through washing interim frock in installation embodiment 1 in valve 19, realize that steam conduit's blasting sweeps and can independent mutual noninterference with water supply line's washing, change the blasting and sweep and the logical relation that washes to can adopt suitable washing scheme according to the actual conditions at scene, this pipeline structure need not external interim pipe, only need remove the interim frock of washing in the valve 19 after the washing finishes can, pipeline cleaning's time has been shortened effectively.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A temporary washing tool is used for a valve cover connecting pipe of a valve and is characterized by comprising a stress assembly, a blocking plate assembly and a connecting sleeve (3),
the stress assembly comprises a base (1) and a first ball-head screw (2), one end of the first ball-head screw (2) is hinged on the base (1), the other end is in threaded connection with the connecting sleeve (3),
the blocking plate assembly comprises a side plate unit and a stress rod (4), one end of the stress rod (4) is connected with the other end of the connecting sleeve (3), the other end of the stress rod (4) is connected with the side plate unit, and the base (1) is abutted against the inlet pipe side of the valve (19) to be abutted against the side plate unit, so that the side plate unit is blocked by the outlet pipe side of the valve (19).
2. The temporary washing tool of claim 1, wherein the side plate unit comprises a first side plate (5), a second side plate (8), a movable unit and a sealing ring unit,
the first side plate (5) is arranged at the inner side of the second side plate (8), a threaded hole is formed in the first side plate (5), the stress rod (4) is in threaded connection with the first side plate (5), the stress rod (4) penetrates through the first side plate (5) to be fixedly connected with the movable unit,
the activity unit sets up first curb plate (5) with between second curb plate (8), just first curb plate (5) with second curb plate (8) pass through the movable unit is connected, sealing washer unit sets up outside the movable unit, and be in first curb plate (5) with between second curb plate (8), the outer circumference of movable unit with sealing washer unit contacts the extrusion, rotates atress pole (4), can promote movable unit is along atress pole (4) axial motion to compress tightly or relax sealing washer unit.
3. The temporary washing tool according to claim 2, wherein the movable unit comprises a movable side plate (7), a thrust bearing (9) and a pin (6),
the movable side plate (7) is arranged between the first side plate (5) and the second side plate (8), the pin (6) sequentially penetrates through the first side plate (5), the movable side plate (7) and the second side plate (8) to be used for fixing the first side plate (5) and the second side plate (8),
the border of activity curb plate (7) is equipped with first spacing ring, first spacing ring is located activity curb plate (7) are close to the one end of second curb plate (8) to inlay and establish in the recess of second curb plate (8), the inner wall of first curb plate (5) with the outer wall block of first spacing ring, just first spacing ring all the time with the sealed unit contact extrusion, the external diameter of first spacing ring reduces in proper order from the direction of first curb plate (5) towards second curb plate (8).
One end of the movable side plate (7) close to the first side plate (5) is fixedly connected with a seat ring of the thrust bearing (9), and the tail end of the stress rod (4) is fixedly connected with a shaft ring of the thrust bearing (9).
4. The temporary flushing tool according to claim 3, wherein the sealing ring unit comprises an O-shaped sealing ring (10) and an elongated sealing ring (11),
the O-shaped sealing ring (10) is arranged on the inner side of the long-strip-shaped sealing ring (11), the inner side of the O-shaped sealing ring (10) is in contact extrusion with the outer wall of the first limiting ring, and the outer side of the long-strip-shaped sealing ring (11) is in contact extrusion with the inner wall of the outlet pipe side of the valve (19).
5. The temporary washing tool according to any one of claims 1 to 4, wherein the base (1) is provided with a plurality of openings through which the washing water flows.
6. A mounting tool for a washing temporary tool, which is used for mounting the washing temporary tool according to any one of claims 1 to 5, and is characterized by comprising a first adjusting component and a second adjusting component,
the first adjusting component is fixedly connected with the plugging plate component of the temporary flushing tool and is used for adjusting the height of the plugging plate component in the vertical direction to be aligned with the height of the outlet pipe side of the valve (19) and driving the plugging plate component to move towards the outlet pipe side of the valve (19),
the second adjusting component is used for abutting the blocking plate component on the outlet pipe side of the valve (19).
7. The mounting tool for washing temporary tools according to claim 6, wherein the first adjusting assembly comprises a supporting unit, a sling (16), a steel rod (17),
the supporting unit comprises a first bracket (13), a second bracket (131) and a supporting and adjusting piece,
the first bracket (13) is of a straight rod type and is horizontally arranged above the opening at the top of the valve (19),
two supporting and adjusting pieces are adopted, the two supporting and adjusting pieces are respectively sleeved on two ends of the first bracket (13) and are respectively arranged on two sides of an opening at the top of the valve (19),
the second bracket (131) is L-shaped, the vertical end of the second bracket (131) is fixedly connected to the first bracket (13) and can be positioned in the valve (19), the horizontal end of the second bracket (131) is used for being connected with the plugging plate component, the height of the plugging plate component can be adjusted to be aligned with the height of the outlet pipe side by adjusting the height of the supporting adjusting piece in the vertical direction, the first bracket (13) can slide in the through hole of the supporting adjusting piece to drive the plugging plate component to move towards the outlet pipe side,
one end of the sling (16) is fixedly connected to the first bracket (13), the other end is used for being connected to the closure plate assembly so as to hoist the closure plate assembly into the valve (19),
the steel rod (17) is vertically arranged, one end of the steel rod is connected to the horizontal end of the second support (131), the other end of the steel rod is connected to a stress rod (4) of the temporary washing tool, and the stress rod (4) is kept horizontal.
8. The mounting tool for washing the temporary tool set according to claim 7, wherein the second adjusting component comprises a second ball screw and a jacking plate (18),
the jacking plate (18) is in accordance with the base (1) in shape and size for abutting against the inlet pipe side of the valve (19),
one end of the second ball head screw rod is hinged to the jacking plate (18), and the other end of the second ball head screw rod is in threaded connection with the connecting sleeve (3) of the temporary flushing tool and used for abutting the blocking plate component on the outlet pipe side of the valve (19).
9. The mounting method for the washing temporary tool set forth in any one of claims 1 to 5, characterized by comprising the following steps:
lifting the bulkhead component of the flushed temporary tooling inside the valve (19) using the slings (16) of the installation tool of claim 8;
the position of the blocking plate assembly is adjusted by adopting a supporting unit in the mounting tool, so that a stress rod (4) for flushing the temporary tool is positioned at a horizontal position;
aligning the closure plate assembly with the outlet tube side of the valve (19) using the support unit;
adopting a second adjusting component in the mounting tool to tightly abut the blocking plate component on the outlet pipe side;
and then connecting the first ball-head screw (2) and the base (1) with the blocking plate assembly, thereby completing the installation of the washing temporary tool.
10. A cleaning method of a piping structure including a steam pipe whose medium is steam, a water feed pipe whose medium is water, a valve (19), a washing water supply system, a compressed air supply system, and the temporary washing tool of any one of claims 1 to 5, the temporary washing tool being provided inside the valve (19), the steam pipe being for communicating the compressed air supply system with an outlet pipe side of the valve (19), the water feed pipe being for communicating the washing water supply system with an inlet pipe side of the valve (19), the method comprising the steps of:
the temporary washing tool is arranged inside a valve (19), wherein a base (1) in the temporary washing tool is abutted against the side of an inlet pipe of the valve (19), a blocking plate assembly in the temporary washing tool blocks the side of an outlet pipe of the valve (19),
the steam pipe is burst-purged by compressed air generated by the compressed air supply system and/or the water supply pipe is flushed by flush water generated by the flush water supply system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110801536.3A CN113546928B (en) | 2021-07-15 | 2021-07-15 | Temporary washing tool, mounting tool and method and cleaning method of pipeline structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110801536.3A CN113546928B (en) | 2021-07-15 | 2021-07-15 | Temporary washing tool, mounting tool and method and cleaning method of pipeline structure |
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| CN113546928B CN113546928B (en) | 2022-11-18 |
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| KR100855029B1 (en) * | 2007-03-05 | 2008-08-28 | (주)피엔아이 | Valve and method for cleaning pipe |
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| CN108543778A (en) * | 2018-07-06 | 2018-09-18 | 三门核电有限公司 | A kind of pipe flushing method and tool |
| CN108672416A (en) * | 2018-04-23 | 2018-10-19 | 北京蓝星清洗有限公司 | The clean method of jet chimney |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100855029B1 (en) * | 2007-03-05 | 2008-08-28 | (주)피엔아이 | Valve and method for cleaning pipe |
| CN105598100A (en) * | 2016-03-17 | 2016-05-25 | 天津友发钢管集团股份有限公司 | Steel pipe automatic flushing washing device |
| CN206555626U (en) * | 2017-02-22 | 2017-10-13 | 广东核电合营有限公司 | Isolate the device of intervention in a kind of Chemical cleaning valve |
| CN108672416A (en) * | 2018-04-23 | 2018-10-19 | 北京蓝星清洗有限公司 | The clean method of jet chimney |
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| CN113546928B (en) | 2022-11-18 |
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