CN210510735U - Pressurized plugging equipment for nuclear power station pipeline - Google Patents
Pressurized plugging equipment for nuclear power station pipeline Download PDFInfo
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- CN210510735U CN210510735U CN201921136175.XU CN201921136175U CN210510735U CN 210510735 U CN210510735 U CN 210510735U CN 201921136175 U CN201921136175 U CN 201921136175U CN 210510735 U CN210510735 U CN 210510735U
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- glue injection
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Abstract
The utility model relates to a nuclear power station pipeline repair technical field specifically provides a nuclear power station pipeline is with pressing leaking stoppage equipment, the pipeline includes the inlet end and gives vent to anger the end, press leaking stoppage equipment to include extruded article and drilling injecting glue subassembly in the area. Through setting up foretell nuclear power station is area for pipeline leaking stoppage equipment, earlier with the position between the leakage face of extruded article extrusion pipeline and the inlet end, flatten two positions of pipeline until to form a notes gluey chamber and with two flat openings of injecting glue chamber intercommunication, vapor in this moment in the pipeline still can circulate through flat opening, then will drill hole injecting glue subassembly and connect in the position in the corresponding notes gluey chamber of pipeline for pour into and fill the notes gluey chamber with sealed glue. Therefore, the leakage pipeline is effectively blocked under the condition that the nuclear power station does not stop production, the economic loss is avoided, and meanwhile, the pressurized leakage blocking equipment is simple in structure, convenient to operate, safe and reliable, and the maintenance cost is further reduced.
Description
Technical Field
The utility model relates to a nuclear power station pipeline repair technical field especially relates to a nuclear power station pipeline is with pressing leaking stoppage equipment in area.
Background
The nuclear power station is at the operation in-process, when having radioactive high temperature vapor and flowing through the pipeline, can be to the incessant washing of pipeline to produce the corrosive action to the pipeline, lead to the pipeline to take place to leak, the leakage degree can lead to the waste of raw and other materials lighter, if the leakage degree is heavier, can influence the normal operating of nuclear power station, and current area is pressed the leaking stoppage technique and can not be used in the steam leakage pipeline of nuclear power station, consequently need the outage maintenance, but the nuclear power station outage can cause a large amount of economic losses.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a pressurized leak stopping device for a nuclear power station pipeline, which can stop leaking a seriously leaked steam pipeline without stopping production and maintenance and has a large economic loss, aiming at the problems that the existing nuclear power station steam pipeline needs to be stopped and maintained seriously leaked.
The utility model provides a nuclear power station pipeline is with leaking stoppage equipment under pressure, the pipeline includes inlet end and the end of giving vent to anger, leaking stoppage equipment under pressure includes:
the extruding part is detachably connected to the pipeline and is used for extruding the pipeline so as to form a glue injection cavity and two flat openings communicated with the glue injection cavity between the leakage part of the pipeline and the air inlet end, and the glue injection cavity is communicated with the air inlet end and the air outlet end through the two flat openings respectively;
and the drilling glue injection assembly is detachably connected to the pipeline and used for forming a glue injection hole communicated with the glue injection cavity on the pipeline and injecting sealant into the glue injection hole to fill the glue injection cavity.
Through setting up foretell nuclear power station is area for pipeline leaking stoppage equipment, earlier with the position between the leakage face of extruded article extrusion pipeline and the inlet end, flatten two positions of pipeline until to form a notes gluey chamber and with two flat openings of injecting glue chamber intercommunication, vapor in this moment in the pipeline still can circulate through flat opening, then will drill hole injecting glue subassembly and connect in the position in the corresponding notes gluey chamber of pipeline for pour into and fill the notes gluey chamber with sealed glue. Therefore, the leakage pipeline is effectively blocked under the condition that the nuclear power station does not stop production, the economic loss is avoided, and meanwhile, the pressurized leakage blocking equipment is simple in structure, convenient to operate, safe and reliable, and the maintenance cost is further reduced.
In one embodiment, the extrusion comprises a first extrusion and a second extrusion, the first extrusion and the second extrusion are both detachably connected between the leakage part of the pipeline and the air inlet end, the first extrusion is located between the second extrusion and the air inlet end, and the first extrusion and the second extrusion are both used for extruding the pipeline to form the glue injection cavity and the two flat openings.
In one embodiment, the pressing member comprises a clamping part and a pressing part, the clamping part is used for clamping the pipeline, and the pressing part is connected to the clamping part and is used for providing pressure for the clamping part to clamp and press the pipeline.
In one embodiment, the clamping portion comprises two clamping blocks connected with each other, the two clamping blocks respectively abut against two opposite sides of the pipeline, and the two clamping blocks are configured to be operably close to or far away from each other;
the pressing part is abutted against the clamping blocks and used for providing pressure for the clamping blocks to approach each other, so that the clamping blocks clamp and extrude the pipeline.
In one embodiment, the extrusion piece further comprises a connecting rod, the connecting rod is arranged in the clamping blocks in a penetrating mode, and the clamping blocks can slide along the longitudinal direction of the connecting rod, so that the two clamping blocks can move close to or away from each other;
the pressing part is in threaded connection with the connecting rod and abuts against the clamping block to adjust the clamping block.
In one embodiment, the pressing portion includes a nut, and the nut is connected to the connecting rod in a threaded manner and abuts against the clamping block.
In one embodiment, the drilling and glue injection assembly comprises a connecting piece, a drilling piece and a glue injection piece, wherein the connecting piece is used for being connected with the pipeline and is arranged corresponding to the glue injection cavity;
the drilling piece is detachably connected to the connecting piece and is used for forming the glue injection hole in the pipeline;
the glue injection piece is detachably connected to the connecting piece and used for injecting the sealant into the glue injection cavity through the glue injection hole and filling the glue injection cavity.
In one embodiment, the connecting piece comprises a connecting part and an adjusting rod, the connecting part is provided with a clamping groove, and the pipeline is placed in the clamping groove;
the adjusting rod is connected with the connecting portion and can move in the longitudinal direction of the adjusting rod, the adjusting rod is provided with a clamping position when moving in the longitudinal direction of the adjusting rod, when the adjusting rod is located in the clamping position, the adjusting rod is fixed relative to the connecting portion and abuts against the pipeline to be matched with the connecting portion to be clamped on the pipeline, and therefore the connecting piece can be fixed relative to the pipeline.
In one embodiment, the flat opening extends lengthwise along a first direction, and a width of the flat opening along a second direction perpendicular to the first direction is smaller than a preset gap, so that the sealant fills the sealant injection cavity.
In one embodiment, the predetermined gap is 1 mm.
Drawings
Fig. 1 is a schematic view of a fitting relationship between an extrusion piece and a pipe of the pressurized plugging device according to an embodiment of the present invention;
FIG. 2 is a side view of the extrusion of FIG. 1 in mating relationship with a pipe;
fig. 3 is a schematic view of a matching relationship between a drilling glue injection assembly and a pipeline of the pressurized plugging device according to another embodiment of the present invention;
fig. 4 is a side view of the bore hole compound injection assembly and the pipe shown in fig. 3 in a mating relationship.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
In order to facilitate understanding of the technical scheme of the utility model, the present steam conveying pipeline of the nuclear power station is explained in a certain way: when designing a steam delivery pipeline of an existing nuclear power plant, a main pipeline and a standby pipeline are usually arranged to avoid the condition that the production must be stopped as soon as the pipeline has a problem of influencing the operation of the nuclear power plant. And the utility model provides a take area to press leaking stoppage equipment is to the leakage of trunk line, because the reserve pipeline is not steam carrying usually, accessible reserve pipeline carries out steam transport after the trunk line leaking stoppage is accomplished, gets into maintenance phase to maintain or change the trunk line until the nuclear power station.
As shown in fig. 1 and fig. 2, in the leakage blocking device with pressure for the nuclear power station pipeline provided by an embodiment of the present invention, the pipeline 20 includes an air inlet end and an air outlet end, and the leakage blocking device with pressure includes an extrusion piece 12 and a drilling glue injection assembly 14 (as shown in fig. 3).
The extrusion part 12 can be detachably connected to the pipeline 20 and is used for extruding the pipeline 20 so as to form a glue injection cavity between the leakage part of the pipeline 20 and the air inlet end and two flat openings which are positioned at two ends of the glue injection cavity and communicated with the glue injection cavity, wherein the glue injection cavity is communicated with the air inlet end and the air outlet end through the two flat openings respectively; the hole injection assembly 14 is removably attached to the conduit 20 for injecting and filling the cavity with sealant 30 (fig. 3).
Through setting up foretell nuclear power station is area for pipeline leaking stoppage equipment, extrude the position between the emergence and the inlet end of pipeline 20 with extruded part 12 earlier, until flattening two positions with pipeline 20 to form a notes gluey chamber and with two flat openings of injecting glue chamber intercommunication, this moment the interior vapor of pipeline 20 still can circulate through flat opening, then will drill hole injecting glue subassembly 14 is connected in the position of the corresponding notes gluey chamber of pipeline 20 for pour into and fill in the notes gluey chamber with sealed glue 30. Therefore, the leakage pipeline 20 is effectively blocked under the condition that the nuclear power station does not stop production, the economic loss is avoided, and meanwhile, the pressurized leakage blocking equipment is simple in structure, convenient to operate, safe and reliable, and the maintenance cost is further reduced.
It should be noted that, before the application, the pressure leakage blocking apparatus in the above embodiments should perform detection and evaluation on the leaking pipeline 20, specifically, whether the ratio between the pipe diameter of the leaking pipeline 20 and the pipe wall thickness meets the actual requirement is detected, and if the ratio meets the actual requirement, the pressure leakage blocking apparatus may perform leakage blocking. The leakage is usually a gap or a small hole formed by corrosion of the high-temperature water vapor on the pipeline 20, so that the high-temperature water vapor leaks.
In some embodiments, the extrusions 12 include a first extrusion 12 and a second extrusion 12, each of the first extrusion 12 and the second extrusion 12 being removably connected between a leak and an intake end of the pipe 20, and the first extrusion 12 being located between the second extrusion 12 and the intake end, each of the first extrusion 12 and the second extrusion 12 being used to extrude the pipe 20 to form a glue injection chamber and two flat openings. Further, the first presser 12 and the second presser 12 are both pipe clamp jigs.
Of course, in other embodiments, it is also possible to use only one pipe clamp to clamp the pipe 20 flat at two locations of the pipe 20 in sequence.
In some embodiments, the expression member 12 includes a gripping portion 122 and a pressing portion 124, the gripping portion 122 for gripping the tubular 20, the pressing portion 124 coupled to the gripping portion 122 for providing pressure for the gripping portion 122 to grip and compress the tubular 20.
Further, the clamping portion 122 includes two clamping blocks connected to each other, the two clamping blocks respectively abutting opposite sides of the pipe 20, and the two clamping blocks are configured to be operatively close to or far from each other; the pressing portion 124 abuts against a side of the clamping blocks away from the pipe 20 for providing a pressure for the clamping blocks to approach each other, so that the clamping blocks clamp and press the pipe 20.
In some embodiments, the extrusion 12 further comprises a connecting rod 126, the connecting rod 126 is disposed through the clamping blocks, and the clamping blocks are slidable along the lengthwise direction of the connecting rod 126, so that the two clamping blocks can move toward or away from each other; the pressing portion 124 is threaded to the connecting rod 126 and abuts against the clamping block to adjust the clamping block. Further, the pressing portion 124 includes a nut that is screwed to the connecting rod 126 and abuts against the clamping block.
Referring to fig. 3 and 4, in some embodiments, the drilling and glue injection assembly 14 includes a connecting member, a drilling member and a glue injection member, the connecting member is used for connecting with the pipeline 20 and is disposed corresponding to the glue injection cavity, as shown in fig. 3, the drilling member is detachably connected to the connecting member and is used for forming a glue injection hole on the pipeline 20, and the glue injection hole is communicated with the glue injection cavity; the glue injection member is detachably connected to the connecting member and used for injecting the sealant 30 into the glue injection hole and filling the glue injection cavity.
It will be appreciated that the connection member may be considered an intermediate member in order to ensure that the drilled member is fixed relative to the pipe 20 during drilling or injecting of the injected material.
In some embodiments, the connecting member includes a connecting portion and an adjusting lever, the connecting portion has a clamping groove, and the pipe 20 is placed in the clamping groove; the adjusting rod is connected to the connecting portion and is movable in the longitudinal direction of the adjusting rod, the adjusting rod is provided with a clamping position when moving in the longitudinal direction of the adjusting rod, and when the adjusting rod is located at the clamping position, the adjusting rod is fixed relative to the connecting portion and abuts against the pipeline 20 to be clamped on the pipeline 20 by matching with the connecting portion, so that the connecting member can be fixed relative to the pipeline 20.
Specifically, adjust the pole and be equipped with one and follow the through-hole that adjusts the pole lengthwise direction and run through the pole, adjust the pole butt in pipeline 20, the drilling piece can be close to pipeline 20 along this through-hole, and the position of pipeline 20 is located at this through-hole cover drills out a injecting glue hole on pipeline 20, then will drill the piece and detach connecting portion, will inject the piece and be close to the injecting glue hole along this through-hole next to inject glue 30 into the injecting glue intracavity through this injecting glue hole.
In some embodiments, the flat opening extends lengthwise along a first direction, and a width of the flat opening along a second direction perpendicular to the first direction is smaller than the predetermined gap, so that the sealant 30 fills the sealant chamber. Specifically, the preset gap is 1 mm. In this manner, the sealant 30 does not substantially flow from the flat opening to other spaces of the conduit 20 after injection, in other words, primarily to ensure that the sealant 30 fills the sealant chamber and does not flow or flows very slowly after filling to ensure solidification of the sealant 30.
In order to facilitate understanding of the technical solution of the present invention, a method for using the pressurized plugging device in the above embodiment is described herein:
first, the pipe 20 is pressed at two positions between the leakage and the intake end of the pipe 20 using the pressing member 12 until the cylindrical pipe 20 at the pressed position is pressed flat; then connecting the glue injection cavity corresponding to the connecting piece to the pipeline 20, enabling the connection between the connecting piece and the pipeline 20 to be stable, extending the drilling piece into the pipeline through the through hole of the adjusting rod after fixing, and forming a glue injection hole communicated with the glue injection cavity on the pipeline 20; and detaching the drilling piece after the glue injection hole is formed, simultaneously extending the glue injection piece into the through hole of the adjusting rod and communicating the glue injection hole or the glue injection cavity directly so as to inject the sealant 30 into the glue injection cavity, and after the glue injection cavity is filled with the sealant 30, maintaining the glue injection pressure for ten minutes and detaching the glue injection piece.
It should be noted that the glue injection pressure can be determined according to actual conditions, for example, according to the pipe diameter, the pipe wall thickness, and the length of the glue injection cavity along the longitudinal direction of the pipeline 20, wherein the length of the glue injection cavity along the longitudinal direction of the pipeline 20 is the distance between the two flat openings along the longitudinal direction of the pipeline 20.
Compared with the prior art, the utility model provides a nuclear power station pipeline is with leaking stoppage equipment in area has following some at least:
1) the structure is simple, the operation is convenient, and the safety and the reliability are realized;
2) and the production stop of a nuclear power plant is not needed, so that the economic loss is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a nuclear power station pipeline is with leaking stoppage equipment under pressure, the pipeline includes the inlet end and gives vent to anger the end, its characterized in that, leaking stoppage equipment under pressure includes:
the extruding part can be detachably connected to the pipeline and is used for extruding the pipeline so as to form a glue injection cavity between the leakage part of the pipeline and the air inlet end and two flat openings which are positioned at two ends of the glue injection cavity and communicated with the glue injection cavity, and the glue injection cavity is communicated with the air inlet end and the air outlet end through the two flat openings respectively;
and the drilling glue injection assembly is detachably connected to the pipeline and used for forming a glue injection hole communicated with the glue injection cavity on the pipeline and injecting sealant into the glue injection hole to fill the glue injection cavity.
2. An pressured leakage blocking apparatus for a nuclear power plant pipe according to claim 1, wherein the pressing member comprises a first pressing member and a second pressing member, the first pressing member and the second pressing member are both detachably connected between the leakage position of the pipe and the air inlet end, the first pressing member is located between the second pressing member and the air inlet end, and the first pressing member and the second pressing member are both used for pressing the pipe to form the glue injection cavity and the two flat openings.
3. A pressurized plugging device for a nuclear power plant pipeline according to claim 1, wherein the extrusion member comprises a clamping portion and a pressing portion, the clamping portion is used for clamping the pipeline, and the pressing portion is connected to the clamping portion and used for providing pressure for the clamping portion to clamp and press the pipeline.
4. The pressured leakage stopping apparatus for a nuclear power plant pipe according to claim 3, wherein the clamping portion includes two clamping blocks connected to each other, the two clamping blocks abut against opposite sides of the pipe, respectively, and the two clamping blocks are configured to be operatively close to or away from each other;
the pressing part is abutted against one side, far away from the pipeline, of the clamping block and used for providing pressure for the clamping block to approach each other, so that the clamping block clamps and extrudes the pipeline.
5. The pressurized plugging device for the nuclear power station pipeline according to claim 4, wherein the extrusion piece further comprises a connecting rod, the connecting rod is arranged in the clamping blocks in a penetrating mode, and the clamping blocks can slide along the lengthwise direction of the connecting rod, so that the two clamping blocks can move close to or away from each other;
the pressing part is in threaded connection with the connecting rod and abuts against the clamping block to adjust the clamping block.
6. A pressurized plugging device for a nuclear power plant pipeline according to claim 5, wherein the pressure applying portion comprises a nut which is in threaded connection with the connecting rod and abuts against the clamping block.
7. The pressurized plugging device for the nuclear power station pipeline according to any one of claims 1 to 6, wherein the drilling and glue injection assembly comprises a connecting piece, a drilling piece and a glue injection piece, wherein the connecting piece is used for being connected with the pipeline and is arranged corresponding to the glue injection cavity;
the drilling piece is detachably connected to the connecting piece and is used for forming the glue injection hole in the pipeline;
the glue injection piece is detachably connected to the connecting piece and used for injecting the sealant into the glue injection cavity through the glue injection hole and filling the glue injection cavity.
8. The pressurized plugging device for the pipeline of the nuclear power station as recited in claim 7, wherein the connecting member comprises a connecting portion and an adjusting rod, the connecting portion is provided with a clamping groove, and the pipeline is placed in the clamping groove;
the adjusting rod is connected with the connecting portion and can move in the longitudinal direction of the adjusting rod, the adjusting rod is provided with a clamping position when moving in the longitudinal direction of the adjusting rod, when the adjusting rod is located in the clamping position, the adjusting rod is fixed relative to the connecting portion and abuts against the pipeline to be matched with the connecting portion to be clamped on the pipeline, and therefore the connecting piece can be fixed relative to the pipeline.
9. A pressurized plugging device for nuclear power plant pipelines according to any one of claims 1 to 6, wherein said flat opening extends lengthwise in a first direction, and the width of said flat opening in a second direction perpendicular to said first direction is smaller than a preset gap, so that said sealant fills said sealant chamber.
10. A pressurized plugging device for a nuclear power plant pipeline according to claim 9, characterized in that said preset clearance is 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136175.XU CN210510735U (en) | 2019-07-18 | 2019-07-18 | Pressurized plugging equipment for nuclear power station pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921136175.XU CN210510735U (en) | 2019-07-18 | 2019-07-18 | Pressurized plugging equipment for nuclear power station pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510735U true CN210510735U (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921136175.XU Active CN210510735U (en) | 2019-07-18 | 2019-07-18 | Pressurized plugging equipment for nuclear power station pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN210510735U (en) |
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2019
- 2019-07-18 CN CN201921136175.XU patent/CN210510735U/en active Active
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