CN109578742A - A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool - Google Patents
A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool Download PDFInfo
- Publication number
- CN109578742A CN109578742A CN201811436912.8A CN201811436912A CN109578742A CN 109578742 A CN109578742 A CN 109578742A CN 201811436912 A CN201811436912 A CN 201811436912A CN 109578742 A CN109578742 A CN 109578742A
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- Prior art keywords
- anchor ear
- pressure pipeline
- direct current
- high voltage
- cooling system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention belongs to pressure pipeline leakage temporary plugging equipment technical fields, especially a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool, including the first anchor ear and the second anchor ear being detachably connected, setting seals blocking piece and the first locating piece on first anchor ear, and the second locating piece is arranged on the second anchor ear.The present invention can carry out interim, quick blocking to the breakthrough of pressure pipeline without direct current system of stopping transport, and reduce power supply safety risk, have the advantages that structure is simple, easy to operate, safe and reliable.
Description
Technical field
The invention belongs to pressure pipeline leakage temporary plugging equipment technical field, especially a kind of high voltage direct current converter valve is cold
But system pressure pipe leakage temporary plugging tool.
Background technique
Technology that HVDC transmission system has, economic advantages, make its in remote large capacity power transmission, across interconnection of large-scale power grids
It plays an important role in terms of submarine cable power transmission.To reinforce DC transmission system technical management, converter station operation is improved
Security reliability summarizing the defeated change of State Grid Corporation of China in recent years according to country and international related standard, regulation and specification
On the basis of electric equipment analysis and assessment, production operation situation analysis and equipment operating experience, D.C. high voltage transmission is studied and defined
Equipment Battery Factory Standards System, content include converter valve, converter valve cooling system, direct-current measuring device, High-speed DC switch, hand over directly
Flow filter, the technical specification of the main equipments such as DC control and protection system, operations specification, inspection code, technical supervision regulation and
Anti-accident measures.
As the core component of converter station, calorific value is huge during operation for converter valve, for the normal operation for guaranteeing element
With prevent its aging, need to take away these heats to making the surface temperature of element reduce by cooling water, thus, the change of current
Valve cooling system is the Major Systems for guaranteeing the converter valve stable operation of converter station core equipment, is equally the important composition of converter station
Part；Converter valve cooling system is a closed circulatory system, heat is taken away by the flowing of cooling medium, due to cooling water
Valve inner is entered, converter valve belongs to important high voltage electric equipment, so the temperature of cooling water, flow, conductivity
And suspension content must control within the limits prescribed.Temperature will rise after cooling water absorbs heat in valve tower, heating
Hot water afterwards is driven into the heat exchange coil in outdoor enclosed cooler pan by main circulation pump, and spray pump is uniform after drawing water in pond
It is sprayed onto the heat exchange coil surface in cooling tower, is gasified after shower water heat absorption, then drained into atmosphere by blower, water is in phase transformation
A large amount of heat is absorbed in journey, therefore, the cooling water in heat exchange coil will be cooled down, the cooling water after cooling by circulating pump again
It sends converter valve back to, so recycles again and again.
Intrusion gravel when the pipeline of converter valve cooling system is due to having casting, to enter bubble, continuity in casting unstable
Easily there are sand holes and cause pipe leakage in the reasons such as fixed.Once pipeline occur leakage may trigger valve cooling system leak protection with
Leakage protection causes protection act that converter station is caused to be stopped transport, while welding the direct current that need to stop transport to pipeline with pressure, in pipeline
Pressure, liquid are emptied, and direct current idle time is increased.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of coolings of high voltage direct current converter valve
System pressure pipe leakage temporary plugging tool, the tool can carry out the breakthrough of pressure pipeline without direct current system of stopping transport
Temporarily, quick blocking reduces power supply safety risk, has the advantages that structure is simple, easy to operate, safe and reliable.
In order to achieve the above objectives, the invention adopts the following technical scheme:
A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool, it is characterised in that: including detachable
The first anchor ear and the second anchor ear of connection, setting sealing blocking piece and the first locating piece, second anchor ear on first anchor ear
The second locating piece of upper setting.
Further, one end of first anchor ear and the second anchor ear is hinged, and the other end is respectively provided with flanged plate, two flanges
It is fixedly connected between plate by wing nut.
Further, first anchor ear is N type junction structure, including force bearing plate and the Special-shaped flange that force bearing plate two sides are arranged in
Plate, the sealing blocking piece are arranged on force bearing plate, and second anchor ear is U-shaped flanged plate.
Further, first locating piece and the second locating piece are evenly arranged on circle composed by the first anchor ear and the second anchor ear
Zhou Shang.
Further, the sealing blocking piece includes the first stud being threadedly coupled with force bearing plate and closeouts, and described first
The first end, the slot that the outside setting of the closeouts matches with the first end is arranged in the lower end of stud.
Further, the closeouts are plate structure, and the inside of the closeouts is the arc to match with pressure pipeline
The inside setting of shape structure, the closeouts blocks rubber layer.
Further, the closeouts be outside be plane, the structure that inside is spherical surface, the land portions of closeouts it is outer
Side setting blocks rubber layer.
Further, the structure of first locating piece and the second locating piece is identical, including the second stud and positioning plate, institute
It states the second stud to be threadedly coupled with the first anchor ear and the second anchor ear, the second end is arranged in the end of second stud, described fixed
The slot that the outside setting of position plate matches with the second end, the inside of the positioning plate is the arc knot to match with pressure pipeline
Structure, the inside setting positioning protection rubber mat of the positioning plate.
The beneficial effects of the present invention are:
1. the present invention by the first anchor ear, the second anchor ear and is arranged in the first anchor ear and second armful according to on-site actual situations
Entire tool is fixed on various sizes of pipeline outer wall by multiple positioning plates on hoop, is consolidated closeouts by the second stud
Pressing at the leakage point of pressure pipeline, the mode for carrying out quick blocking can be leaked to pipeline with pressure and can be stable operation 1 year
The above time, the right times stopped transport to equipment are again handled breakthrough, avoid to apply directly due to processing pipe leakage
Stream is stopped transport.
2. the first anchor ear and the second anchor ear are fixed by wing nut, the operation effect in disassembly process can be improved
Rate.
3. the first anchor ear uses N type junction structure, biggish installation space can be provided for closeouts, operation is more convenient.
4. the first locating piece and the second locating piece are evenly arranged on circumference composed by the first anchor ear and the second anchor ear, this structure
The present invention and the stability after pressure piping location fit can be improved in design.
5. in the present invention, the first stud and closeouts between the two, the second stud and positioning plate be between the two independence
Existing structure, and be rotatably assorted two-by-two, it is not only convenient for the quick rotation of the first stud and the second stud, and can ensure that envelope
Compactness between blocking piece and positioning plate and pressure piping；It is preferred that the first end and the second end use pyramidal structure.
6. closeouts are plate structure, the inside of closeouts is the arcuate structure to match with pressure pipeline, closeouts
Inside setting block rubber layer, this structure in use, between closeouts and pressure pipeline be plane-plane contact, can be on pressure pipeline
Strip leakage region or planar blowby area blocked；It for plane, inside is spherical surface that closeouts, which can also use outside,
Structure blocks dotted blowby area.
7. the inside of positioning plate is the arcuate structure to match with pressure pipeline, the inside setting positioning protection of positioning plate
Compactness and frictional force between positioning plate and pressure pipeline can be improved in rubber mat, this structure, it is ensured that steady during long-term closure
It is qualitative.
In conclusion the present invention is leaked suitable for pressure piping quick blocking, power supply safety risk is reduced, there is structure letter
Single, easy to operate, safe and reliable advantage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the embodiment of the present invention two；
Fig. 3 is the closeouts of the embodiment of the present invention three and the sectional view for blocking rubber layer.
Figure label: the second anchor ear of 1-, 2- wing nut, 3- force bearing plate, 4- Special-shaped flange plate, the first stud of 5-, 6- envelope
Blocking piece, 7- pressure pipeline, 8- block rubber layer, the second stud of 9-, 10- positioning plate, 11- positioning protection rubber mat.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one
As shown in Figure 1, a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool disclosed by the invention,
Including the first anchor ear and the second anchor ear 1 being detachably connected, one end of the first anchor ear and the second anchor ear 1 is hinged, and the other end is all provided with
Flanged plate is set, is fixedly connected between two flanged plates by wing nut 2, setting sealing blocking piece and the first positioning on the first anchor ear
Part, the second locating piece is arranged on the second anchor ear 1, and the second anchor ear is U-shaped structure；
First anchor ear is inverted U-shaped structure, including force bearing plate 3 and is integrally formed the Special-shaped flange plate 4 in 3 two sides of force bearing plate, sealing
Blocking piece includes the first stud 5 being threadedly coupled with force bearing plate 3 and closeouts 6, and the first end is arranged in the lower end of the first stud 5, the
One end is pyramidal structure, and closeouts 6 are plate structure, and the cone tank to match with the first end is arranged in the outside of closeouts 6,
The inside of closeouts is the arcuate structure to match with pressure pipeline 7, and the inside setting of closeouts 6 blocks rubber layer 8, blocks rubber
The material of glue-line 8 is polyurethane.
First locating piece and the second locating piece are evenly arranged on circumference composed by the first anchor ear and the second anchor ear 1, this implementation
Example is illustrated for two the first locating pieces are arranged on the first anchor ear, second locating piece is arranged on the second anchor ear 1, the
Positioning piece is identical with the structure of the second locating piece, including the second stud 9 and positioning plate 10, the second stud 9 and the first anchor ear and
Second anchor ear 1 is threadedly coupled, and the end of the second stud 9 is arranged the second end, and the second end is column structure, positioning plate 10 it is outer
The cylindrical slot that side setting matches with the second end, the inside of positioning plate 10 is the arcuate structure to match with pressure pipeline 7, fixed
The inside setting positioning protection rubber mat 11 of position plate 10.
Pressure pipe is mounted in the use of the present invention, the first anchor ear and the second anchor ear are fixedly connected by wing nut 2
On the outside of road, three the second studs 9 are rotated, and 7 outer wall of pressure pipeline is fixed on by positioning plate 10 and positioning protection rubber mat 11, it is fixed
Position protection 11 protective conduit outer surface of rubber mat is injury-free；By closeouts 6 and the screening of rubber layer 8 is blocked in the sand holes of pressure pipeline
On, the first stud 5 is rotated, blocks closure rubber layer 8 by sand holes.It is noted that the present embodiment is in use, block rubber layer
It is plane-plane contact between 8 and pressure pipeline, region can be leaked to the strip on pressure pipeline or planar blowby area blocks.
Embodiment two
As shown in Fig. 2, a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool disclosed by the invention,
Including the first anchor ear and the second anchor ear 1 being detachably connected, one end of the first anchor ear and the second anchor ear 1 is hinged, and the other end is all provided with
Flanged plate is set, is fixedly connected between two flanged plates by wing nut 2, setting sealing blocking piece and the first positioning on the first anchor ear
Part, the second locating piece is arranged on the second anchor ear 1, and the second anchor ear is U-shaped structure；
First anchor ear is inverted U-shaped structure, including force bearing plate 3 and is integrally formed the Special-shaped flange plate 4 in 3 two sides of force bearing plate, sealing
Blocking piece includes the first stud 5 being threadedly coupled with force bearing plate 3 and closeouts 6, and the first end is arranged in the lower end of the first stud 5, the
One end is pyramidal structure, and closeouts 6 are the structure that outside is plane, inside is spherical surface, and the planar section of closeouts 6 is provided with
The land portions cladding of the cone tank to match with the first end, closeouts 6 blocks rubber layer 8, and the material for blocking rubber layer 8 is
Polyurethane.
First locating piece and the second locating piece are evenly arranged on circumference composed by the first anchor ear and the second anchor ear 1, this implementation
Example is illustrated for two the first locating pieces are arranged on the first anchor ear, second locating piece is arranged on the second anchor ear 1, the
Positioning piece is identical with the structure of the second locating piece, including the second stud 9 and positioning plate 10, the second stud 9 and the first anchor ear and
Second anchor ear 1 is threadedly coupled, and the second end is arranged in the end of the second stud 9, and the second end is column structure, the outside of positioning plate
The cylindrical slot to match with the second end is set, and the inside of positioning plate 10 is the arcuate structure to match with pressure pipeline 7, positioning
The inside setting positioning protection rubber mat 11 of plate 10.
The structure of embodiment and embodiment one is essentially identical, unlike: closeouts 6 be outside be plane, inside is ball
The structure in face carries out small area closure to the dotted blowby area on pressure pipeline 7.
Embodiment three
The present embodiment improves the structure of closeouts 6, as shown in figure 3, closeouts 6 are designed to column structure, wherein sealing
Cavity, the closure rubber layer 8 in cavity is arranged in the slot that the outside setting of blocking piece 6 matches with the first end, the inside of closeouts 6
In half-loaded, half exposed state, this structure can also realize dotted, zonule planar, the blowby area of zonule adjustment blocks.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (8)
1. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool, it is characterised in that: including removable
The first anchor ear and the second anchor ear of connection are unloaded, setting sealing blocking piece and the first locating piece on first anchor ear, described second armful
Second locating piece is set on hoop.
2. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 1,
It is characterized by: one end of first anchor ear and the second anchor ear is hinged, the other end is respectively provided with flanged plate, between the flanged plate
It is fixedly connected by wing nut.
3. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 1,
It is characterized by: first anchor ear is inverted U-shaped structure, including force bearing plate and the Special-shaped flange plate that force bearing plate two sides are arranged in,
The sealing blocking piece is arranged on force bearing plate, and second anchor ear is U-shaped structure.
4. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 1,
It is characterized by: first locating piece and the second locating piece are evenly arranged on circumference composed by the first anchor ear and the second anchor ear.
5. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 1,
It is characterized by: the sealing blocking piece includes the first stud being threadedly coupled with force bearing plate and closeouts, first stud
The first end, the slot that the outside setting of the closeouts matches with the first end is arranged in lower end.
6. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 5,
It is characterized by: the closeouts are plate structure, the inside of the closeouts is the arcuate structure to match with pressure pipeline,
The inside setting of the closeouts blocks rubber layer.
7. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 5,
It is characterized by: the closeouts be outside be plane, the structure that inside is spherical surface, the land portions of closeouts outside setting
Block rubber layer.
8. a kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool according to claim 1,
It is characterized by: the structure of first locating piece and the second locating piece is identical, including the second stud and positioning plate, described second
Stud is threadedly coupled with the first anchor ear and the second anchor ear, and the second end is arranged in the end of second stud, the positioning plate
The slot that outside setting matches with the second end, the inside of the positioning plate is the arcuate structure to match with pressure pipeline, institute
State the inside setting positioning protection rubber mat of positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436912.8A CN109578742A (en) | 2018-11-28 | 2018-11-28 | A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811436912.8A CN109578742A (en) | 2018-11-28 | 2018-11-28 | A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578742A true CN109578742A (en) | 2019-04-05 |
Family
ID=65924922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811436912.8A Pending CN109578742A (en) | 2018-11-28 | 2018-11-28 | A kind of high voltage direct current converter valve cooling system pressure pipeline leakage temporary plugging tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578742A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001232A (en) * | 2021-09-29 | 2022-02-01 | 河北华丰能源科技发展有限公司 | Online pipeline weld joint plugging device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US631179A (en) * | 1899-05-08 | 1899-08-15 | Benjamin A Rucker | Pipe-patch. |
| CN201391714Y (en) * | 2009-03-16 | 2010-01-27 | 闫杰 | Jacked-type pressure plugging machine |
| CN103062571A (en) * | 2012-12-20 | 2013-04-24 | 天津卓达管道机械制造有限公司 | Leaking stoppage device of pipe hole leakage points |
| CN206617710U (en) * | 2017-03-29 | 2017-11-07 | 杜硕 | A kind of quick blocking equipment of cities and towns natural gas leakage pipeline |
| CN206918531U (en) * | 2017-06-15 | 2018-01-23 | 温州益峰科技有限公司 | A kind of Pipe leakage stopper |
| CN207961902U (en) * | 2018-03-25 | 2018-10-12 | 于子峰 | Fixed pipeline leak stoppage device |
| CN208074535U (en) * | 2018-04-19 | 2018-11-09 | 山东鲁能光大电力器材有限公司 | A kind of adjustable anchor ear |
-
2018
- 2018-11-28 CN CN201811436912.8A patent/CN109578742A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US631179A (en) * | 1899-05-08 | 1899-08-15 | Benjamin A Rucker | Pipe-patch. |
| CN201391714Y (en) * | 2009-03-16 | 2010-01-27 | 闫杰 | Jacked-type pressure plugging machine |
| CN103062571A (en) * | 2012-12-20 | 2013-04-24 | 天津卓达管道机械制造有限公司 | Leaking stoppage device of pipe hole leakage points |
| CN206617710U (en) * | 2017-03-29 | 2017-11-07 | 杜硕 | A kind of quick blocking equipment of cities and towns natural gas leakage pipeline |
| CN206918531U (en) * | 2017-06-15 | 2018-01-23 | 温州益峰科技有限公司 | A kind of Pipe leakage stopper |
| CN207961902U (en) * | 2018-03-25 | 2018-10-12 | 于子峰 | Fixed pipeline leak stoppage device |
| CN208074535U (en) * | 2018-04-19 | 2018-11-09 | 山东鲁能光大电力器材有限公司 | A kind of adjustable anchor ear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001232A (en) * | 2021-09-29 | 2022-02-01 | 河北华丰能源科技发展有限公司 | Online pipeline weld joint plugging device |
| CN114001232B (en) * | 2021-09-29 | 2024-02-27 | 河北华丰能源科技发展有限公司 | Online pipeline welded junction plugging device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |