CN206175939U - Leaking stoppage system and plugging device thereof - Google Patents
Leaking stoppage system and plugging device thereof Download PDFInfo
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- CN206175939U CN206175939U CN201621109581.3U CN201621109581U CN206175939U CN 206175939 U CN206175939 U CN 206175939U CN 201621109581 U CN201621109581 U CN 201621109581U CN 206175939 U CN206175939 U CN 206175939U
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- jacket body
- pipeline
- liquid nitrogen
- plugging
- utility
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Abstract
The utility model discloses a plugging device, including be used for connect gradually around circumference the back form sealed ring body with the clearance cover at two at least jacket body in the pipeline outside, be used for the filling opening that the liquid nitrogen injects into and be used for liquid nitrogen exhaust discharge port, the filling opening sets up on jacket body with the discharge port, the radial dimension of discharge port is greater than the radial dimension of filling opening. This kind of plugging device carries out local cooling through the pipeline that utilizes the liquid nitrogen to keep apart needs, makes the liquid medium in this section pipeline build -up ice with fixed attention, forms the one section ice berg that can bear high pressure to realize the isolation in the pipeline, therefore this kind of leaking stoppage mode receives the structural constraint of pipeline less, the suitability is better, and is less to the damage of pipeline when using simultaneously, therefore comparatively safe. The utility model also discloses a leaking stoppage system, the suitability is better, and comparatively safe of including above -mentioned plugging device.
Description
Technical field
The utility model is related to steam power plant technical field, more particularly to a kind of device for plugging.Additionally, this practicality is new
Type further relates to a kind of leak stopping system including above-mentioned device for plugging.
Background technology
When the Anti-fuel Oil System pipe-line equipment in thermal power plant is overhauled, generally isolation is carried out to the upstream and downstream of leakage point and let out
Pressure is put, however, can implement this method only when there is separation valve door before and after leakage point.For before and after leakage point without isolating valve
The situation of door, the mode for generally using pressure sealing is processed, such as clip method, gland method, however, this kind of method is fragile
Pipeline, security reliability is relatively low, and for some particular interface leakage points, said method is not applied to.
Therefore, how to provide a kind of applicability preferable and safer device for plugging, be that those skilled in the art are current
The technical issues that need to address.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of device for plugging, and applicability is preferable and safer.It is real
A kind of leak stopping system including above-mentioned device for plugging is to provide with new another object, applicability is preferable and safer.
For achieving the above object, the utility model provides following technical scheme：
A kind of device for plugging, including for being enclosed within the outside of pipeline with gap forming seal ring body after circumferential being sequentially connected
At least two jacket bodies, for liquid nitrogen injection inlet and for liquid nitrogen discharge outlet, the inlet with it is described
Outlet is arranged on the jacket body, and the radial dimension of the outlet is more than the radial dimension of the inlet.
Preferably, the jacket body is two, and the inlet is located therein on a jacket body, the outlet
On jacket body another described.
Preferably, the faying face of the jacket body is provided with the sealing joint strip for preventing liquid nitrogen from revealing.
Preferably, the faying face of the jacket body is burnishing surface.
Preferably, the adjacent jacket body is bolted to connection.
Preferably, the jacket body is the bending jacket body for being arranged on pipeline bending place.
Preferably, also including the heat-insulation layer in the outside for being arranged on the jacket body.
Preferably, the heat-insulation layer is that PE coats polyester ammonia layer.
Preferably, the jacket body is 20 steel clamp bodies.
A kind of leak stopping system, including the device for plugging as described in above-mentioned any one, also includes for leak stopping dress
Put the liquid nitrogen bottle of supply liquid nitrogen.
The device for plugging that the utility model is provided is included for seal ring body to be formed after circumferential being sequentially connected with gap
It is enclosed within least two jacket bodies on the outside of pipeline, the inlet for liquid nitrogen injection and the outlet discharged for liquid nitrogen, injection
Mouth is arranged on jacket body with outlet, and the radial dimension of outlet is more than the radial dimension of inlet.
When in use, can be installed according to the particular location of leakage point.After it have selected suitable installation site, will
Jacket body is sequentially connected and is set in pipeline outside, and the inside of the seal ring body formed to jacket body from inlet is filled with liquid nitrogen, manages
Liquid medium in road begins to cool down, liquid medium in pipeline from tube wall to pipeline in the middle part of gradually freeze, finally can be formed
The cylindricality ice berg of, two ends slightly longer than jacket body one water cavity of each band, topping up nitrogen is until the liquid medium at jacket body setting is complete
Freeze entirely, during liquid nitrogen is filled with from inlet, liquid nitrogen is discharged from outlet.Generally, the maximal pressure that ice berg can bear
Power is larger, can carry out reliable isolation.
It can be seen that, this kind of device for plugging carries out Local cooling by using liquid nitrogen to the pipeline for needing isolation, makes the segment pipe
Interior liquid medium congeals into ice, and forms one section of ice berg that can bear high pressure, so as to realize the isolation in pipeline, thus this
Plant leak stopping mode and limited less by the structure of pipeline, applicability is preferable, meanwhile, when in use the damage to pipeline is less, thus
It is safer.
The leak stopping system including above-mentioned device for plugging that the utility model is provided, applicability is preferable, and safer.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is provided the structural representation of the specific embodiment of device for plugging by the utility model, wherein, arrow is liquid nitrogen
Flow direction；
Fig. 2 is provided a jacket body structural representation in the specific embodiment of device for plugging by the utility model；
Fig. 3 is provided another jacket body structural representation in the specific embodiment of device for plugging by the utility model.
In Fig. 1 to Fig. 3,1 is jacket body, and 2 is inlet, and 3 is outlet, and 4 is faying face, and 5 is bolt.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Core of the present utility model is to provide a kind of device for plugging, and applicability is preferable and safer.Utility model it is another
One core is to provide a kind of leak stopping system including above-mentioned device for plugging, and applicability is preferable and safer.
Fig. 1 to Fig. 3 is refer to, Fig. 1 is provided the structural representation of the specific embodiment of device for plugging by the utility model,
Wherein, arrow is the flow direction of liquid nitrogen；Fig. 2 is provided a jacket body knot in the specific embodiment of device for plugging by the utility model
Structure schematic diagram；Fig. 3 is provided another jacket body structural representation in the specific embodiment of device for plugging by the utility model.
The utility model is provided in a kind of specific embodiment of device for plugging, including at least two jacket bodies 1, inlet
2 and outlet 3.Jacket body 1 can form seal ring body after circumferential being sequentially connected, and the seal ring body can be enclosed within pipe with gap
The outside in road, has certain gap, to provide placement space for liquid nitrogen between the seal ring body and pipeline.Inlet 2 can
For liquid nitrogen injection, outlet 3 can be used for liquid nitrogen discharge.Inlet 2 is arranged on jacket body 1, in chuck with outlet 3
Body 1 is connected and is installed on after pipeline, and liquid nitrogen can only be entered by inlet 2, be discharged by outlet 3, and the radial dimension of outlet 3 is big
In the radial dimension of inlet 2, burst with preventing the pressure-bearing excess load of jacket body 1 being enclosed within outside pipeline.
When in use, can be installed according to the particular location of leakage point.After it have selected suitable installation site, will
Jacket body 1 is sequentially connected and is set in pipeline outside, and the inside of the seal ring body formed to jacket body 1 from inlet 2 is filled with liquid nitrogen,
Liquid medium in pipeline begins to cool down, liquid medium in pipeline from tube wall to pipeline in the middle part of gradually freeze, finally can be with shape
Into the cylindricality ice berg of, two ends slightly longer than jacket body 1 one water cavity of each band, topping up nitrogen is until the liquid at the setting of jacket body 1 is situated between
Matter is freezed completely, and during liquid nitrogen is filled with from inlet 2, liquid nitrogen is discharged from outlet 3.Generally, ice berg can bear
Maximum pressure is larger, can carry out reliable isolation.
It can be seen that, this kind of device for plugging carries out Local cooling by using liquid nitrogen to the pipeline for needing isolation, makes the segment pipe
Interior liquid medium congeals into ice, and forms one section of ice berg that can bear high pressure, so as to realize the isolation in pipeline, thus this
Plant leak stopping mode and limited less by the structure of pipeline, applicability is preferable, meanwhile, when in use the damage to pipeline is less, thus
It is safer.
It should be noted that herein is circumferential, axial all on the basis of the central shaft of pipeline.
In above-described embodiment, jacket body 1 is specifically as follows two, and inlet 2 is disposed therein on a jacket body 1, row
Outlet 3 is on another jacket body 1.Seal ring body is formed by two connections of jacket body 1, then two jacket bodies 1 are substantially relative
Arrange, outlet 3 is larger generally around circumferential difference angle with inlet 2,180 degree is may be close to, so as to be conducive to liquid nitrogen around pipe
The circumference in road flow to everywhere outlet 3, and the liquid medium being easy in pipeline is at the uniform velocity being cooled down.
Further, there can be certain spacing between inlet 2 and outlet 3 in the axial direction, to ensure that liquid nitrogen exists
The certain distance that can flow on axially is just discharged, and is conducive to accelerating cooling velocity, increases ice berg length.Certainly, jacket body 1 also may be used
Think three or more than three.
In above-mentioned each embodiment, the fluid sealant for preventing liquid nitrogen from revealing can be provided on the faying face 4 of jacket body 1
Bar, advantageously reduces liquid nitrogen leakage, prevents the waste of liquid nitrogen.
In above-mentioned each embodiment, the faying face 4 of jacket body 1 could be arranged to burnishing surface, can specifically pass through wire cutting
Processing is formed.Or, the faying face 4 of jacket body 1 could be arranged to the zigzag face being engaged, determining during in order to connecting
Position.
In above-mentioned each embodiment, adjacent jacket body 1 specifically can be achieved a fixed connection by bolt 5, easy for installation.
Wherein, the quantity of bolt 5 can be determined according to the axial length of jacket body 1.Certainly, can also pass through between jacket body 1
The modes such as buckle, chute realize connection.
In above-described embodiment, jacket body 1 is specifically as follows bending jacket body, to be arranged on pipeline bending place.Due to pipe
The liquid medium flow velocity of the bending place in road may be relatively small, arranges device for plugging in bending place and is easy to improve blocking speed.When
So, jacket body 1 is it can also be provided that the jacket body 1 of straight tube-like or other shapes.
In above-mentioned each embodiment, device for plugging can also include the heat-insulation layer in the outside for being arranged on jacket body 1, to slow down
Liquid nitrogen and the rate of heat exchange in the external world, enable liquid nitrogen to be fully used.
Specifically, heat-insulation layer can coat polyester ammonia layer for PE (Polyethylene), and effect of heat insulation is preferable.Certainly, protect
The setting not limited to this of warm layer.
In above-mentioned each embodiment, jacket body 1 is specifically as follows 20 steel clamp bodies, to ensure mechanical performance.Certainly, chuck
Body 1 can also be other model steel clamp bodies, or other materials part.
Except above-mentioned device for plugging, the utility model additionally provides a kind of including device for plugging disclosed in above-described embodiment
Leak stopping system, the leak stopping system is as a result of above-mentioned device for plugging, and applicability is preferable and safer.The leak stopping system is also
Including for the liquid nitrogen bottle of device for plugging supply liquid nitrogen.The structure of other each several parts of leak stopping system refer to prior art,
Repeat no more herein.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Leak stopping system provided by the utility model and its device for plugging are described in detail above.It is used herein
Specific case is set forth to principle of the present utility model and embodiment, and the explanation of above example is only intended to help
Understand method of the present utility model and its core concept.It should be pointed out that for those skilled in the art,
On the premise of without departing from the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and
Modification is also fallen in the utility model scope of the claims.
Claims (10)
1. a kind of device for plugging, it is characterised in that include for seal ring body to be formed after circumferential being sequentially connected with gap set
At least two jacket bodies (1) on the outside of pipeline, the inlet (2) for liquid nitrogen injection and the outlet discharged for liquid nitrogen
(3), the inlet (2) is arranged on the jacket body (1) with the outlet (3), the radial dimension of the outlet (3)
More than the radial dimension of the inlet (2).
2. device for plugging according to claim 1, it is characterised in that the jacket body (1) is two, the inlet
(2) it is located therein on a jacket body (1), the outlet (3) is on jacket body another described (1).
3. device for plugging according to claim 2, it is characterised in that the faying face (4) of the jacket body (1) is provided with use
In the sealing joint strip for preventing liquid nitrogen from revealing.
4. device for plugging according to claim 3, it is characterised in that the faying face (4) of the jacket body (1) is smooth
Face.
5. device for plugging according to claim 4, it is characterised in that the adjacent jacket body (1) is fixed by bolt (5)
Connection.
6. the device for plugging according to claim 1 to 5 any one, it is characterised in that the jacket body (1) is for setting
Put the bending jacket body in pipeline bending place.
7. device for plugging according to claim 6, it is characterised in that also including the outside for being arranged on the jacket body (1)
Heat-insulation layer.
8. device for plugging according to claim 7, it is characterised in that the heat-insulation layer is that PE coats polyester ammonia layer.
9. device for plugging according to claim 8, it is characterised in that the jacket body (1) is 20 steel clamp bodies.
10. a kind of leak stopping system, it is characterised in that including the device for plugging described in claim 1 to 9 any one, also include
For supplying the liquid nitrogen bottle of liquid nitrogen to the device for plugging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621109581.3U CN206175939U (en) | 2016-10-10 | 2016-10-10 | Leaking stoppage system and plugging device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621109581.3U CN206175939U (en) | 2016-10-10 | 2016-10-10 | Leaking stoppage system and plugging device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175939U true CN206175939U (en) | 2017-05-17 |
Family
ID=58677297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621109581.3U Active CN206175939U (en) | 2016-10-10 | 2016-10-10 | Leaking stoppage system and plugging device thereof |
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| Country | Link |
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| CN (1) | CN206175939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375146A (en) * | 2019-08-07 | 2019-10-25 | 华孚油气工程技术成都有限公司 | Plumber's skill is changed in a kind of closure of oil pipeline hydrate |
| CN111032550A (en) * | 2017-04-08 | 2020-04-17 | 皮科特解决方案有限公司 | Lining roller |
| CN114673853A (en) * | 2021-12-27 | 2022-06-28 | 皖能铜陵发电有限公司 | Ice plug processing and overhauling method for steam turbine generator unit |
-
2016
- 2016-10-10 CN CN201621109581.3U patent/CN206175939U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032550A (en) * | 2017-04-08 | 2020-04-17 | 皮科特解决方案有限公司 | Lining roller |
| CN111032550B (en) * | 2017-04-08 | 2021-08-13 | 皮科特解决方案有限公司 | Lining roller |
| CN110375146A (en) * | 2019-08-07 | 2019-10-25 | 华孚油气工程技术成都有限公司 | Plumber's skill is changed in a kind of closure of oil pipeline hydrate |
| CN114673853A (en) * | 2021-12-27 | 2022-06-28 | 皖能铜陵发电有限公司 | Ice plug processing and overhauling method for steam turbine generator unit |
| CN114673853B (en) * | 2021-12-27 | 2024-05-17 | 皖能铜陵发电有限公司 | Ice plug treatment and overhaul method for steam turbine generator unit |
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