CN202327510U - Flange pressurized leak stoppage structure - Google Patents
Flange pressurized leak stoppage structure Download PDFInfo
- Publication number
- CN202327510U CN202327510U CN2011204706735U CN201120470673U CN202327510U CN 202327510 U CN202327510 U CN 202327510U CN 2011204706735 U CN2011204706735 U CN 2011204706735U CN 201120470673 U CN201120470673 U CN 201120470673U CN 202327510 U CN202327510 U CN 202327510U
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- flange
- reinforced layer
- reinforcing layer
- layer
- sealant
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Abstract
The utility model discloses a flange pressurized leak stoppage structure. The flange pressurized leak stoppage structure is mainly composed of flange plates (2) which are butted together through bolts (1). The flange pressurized leak stoppage structure is characterized by also comprising a sealant injection tube (6), an inner reinforcing layer (3) and an outer reinforcing layer (4), wherein the inner reinforcing layer (3) is arranged between two flange plates (2) and is used for covering all bolts which are arranged between the two flange plates (2) inside, and the outer reinforcing layer (4) is used for covering all flange plates (2) and the inner reinforcing layer (3) inside; and a sealing cavity body is formed at the inner part of the inner reinforcing layer (3), one end of the sealant injection tube (6) is positioned at the inner part of the sealing cavity body after penetrating through the outer reinforcing layer (4) and the inner reinforcing layer (3), and a sealant (7) is filled into the inner part of the sealing cavity body through the sealant injection tube (6). According to the flange pressurized leak stoppage structure disclosed by the utility model, since the sealant has a good adhesive performance and a never-solidified characteristic, and the sealing for tiny gaps of a gasket can be completely ensured when an injection molding cavity is fully filled with the sealant.
Description
Technical field
The utility model relates to a kind of leak stopping structure, specifically is meant a kind of flange pressure sealing structure.
Background technique
Flange is a kind of discoid part that is widely used in the pipework, and it mainly acts on is to guarantee firm linking together between two pipelines, in natural gas pipeline projects, also usually need use the connection that flange carries out pipeline.When carrying out the pipeline connection with flange, between two flanges, all be provided with the pad that seals, these pad times deterioration phenomenon can occur once long; Pipe interior also is connected with the combustion gas of high pressure in addition; Therefore, when pad is aging, just have combustion gas and reveal, its danger is very high.
The flange that occurs leakage for on-call maintenance; Traditional mode all is the supply that stops rock gas in the pipeline earlier; And then replacing flange seal pad; Yet adopt this mode but to have following defective: need stop the gas supply in the pipeline earlier during 1, owing to maintenance operation, the meeting large size influences the supply of downstream city gas; 2, the pipeline stop production to overhaul needs the rock gas in the exhausting pipeline, and the replacing operation finishes and need carry out nitrogen replacement, and maintenance cost is very high.
In sum, present people are used for the natural gas line flange and reveal the mode of maintenance and the requirement that parts all can not satisfy the band pressure reparation that do not stop production, and can not effectively stop the defective of often changing because of the aging needs that bring of pad.
The model utility content
The purpose of the utility model is to overcome the defective that adopts traditional approach maintenance natural gas line flange need stop air feed earlier; Providing a kind of can not only carry out on-line maintenance under not stopping production of natural gas line flange condition, and can also effectively overcome a kind of flange pressure sealing structure of revealing defective because of the aging combustion gas that brings of pad.
The utility model adopts following technological scheme to realize: a kind of flange pressure sealing structure; Mainly constitute by the flange plate that is docking together through bolt; Simultaneously; Also comprise the sealing compound ascending pipe, be arranged between two flange plates and all bolts are wrapped in its inner interior reinforced layer and whole flange plate and interior reinforced layer are wrapped in its inner outer reinforced layer.And be formed with a closed cavity in the inside of interior reinforced layer, an end of sealing compound ascending pipe passes the inside that is positioned at closed cavity behind outer reinforced layer and the interior reinforced layer, and sealing compound is then filled in into closed cavity inside through sealing agent ascending pipe.
In order better to realize the utility model, the outside of reinforced layer also is provided with cured layer outside, and reinforced layer is a glass fiber compound material in described; Outer reinforced layer is modified epoxy+reinforcing fiber composite structure; Described cured layer is the bicomponent epoxy resin based damping composite material.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model overall structure is very simple, and installation and use are all very convenient.
(2) the utility model can keep in repair under the prerequisite that does not stop the natural gas line air feed, thereby must stop the defective of air feed can effectively overcome the traditional maintenance piping flange time.
(3) because the characteristic that the sealing compound of the utility model has very strong flexibility and never solidifies; When working pressure injects closed chamber inside with sealing compound; When being full of airtight cavity; Sealing compound is in the fine gap that just can seal up fully under the effect of pressure between composite material reinforced layer and the metal flange structure, thus the leakage of prevention flange position rock gas.Therefore, the utility model can farthest reduce maintenance cost and construction amount.
Description of drawings
Fig. 1 is the overall structure schematic representation of the utility model during not with cured layer;
Fig. 2 is an A-A cross-sectional view shown in Figure 1;
Overall structure schematic representation when Fig. 3 is the utility model band cured layer;
Fig. 4 is a B-B cross-sectional view shown in Figure 3.
Wherein, the reference character title in the accompanying drawing is respectively:
The 1-bolt, reinforced layer in the 2-flange plate, 3-, the outer reinforced layer of 4-, 5-cured layer, 6-sealing compound ascending pipe, 7-sealing compound.
Embodiment
Below in conjunction with embodiment the utility model is done to specify further, but the mode of execution of the utility model is not limited thereto.
Embodiment 1
Like Fig. 1, shown in 2; The combination of two pipelines of the utility model is the same with the conventional tube road; All realize through flange plate 2; Promptly the joint of two pipelines is equipped with flange plate 2, and between two flange plates 2, also is provided with gasket seal, and two flange plates 2 are tightly fixed together through 4～6 pieces of bolts 1 that are provided with above that.
Bolt 1 is made up of screw rod and nut; The utility model between two flange plates 2 around these bolts 1 be provided with one be made by fibre reinforced composites in reinforced layer 3, reinforced layer 3 is wrapped in its inside fully with whole the screw rod between two flange plates 2 in this.Since on the flange plate 2 whenever over against the distance of two pieces of bolts 1 all be greater than the diameter of gasket seal, so just formed an airtight cavity in the inside of interior reinforced layer 3.During reinforced layer 3, its outermost surface need flush with the edge of flange plate 2 in being provided with.
The utility model also is provided with an outer reinforced layer 4, and these outer reinforced layer 4 preferential composite structures of modified epoxy and reinforcing fiber that adopt are realized.When being provided with, the surface with flange plate 2 tightly, the inside of this outer reinforced layer 4 contacts, to realize reinforced layer 3 in whole being sealed in its inside through this outer reinforced layer 4.Simultaneously; At the sealing compound ascending pipe 6 that also is provided with between two flange plates 2 more than; According to actual needs; The quantity of sealing agent ascending pipe 6 can be set arbitrarily, and an end of every sealing compound ascending pipe 6 all passes outer reinforced layer 4 and be positioned at closed chamber inside with interior reinforced layer 3, and its other end then is positioned at the outside of outer reinforced layer 4.
Sealing compound 7 externally is injected into injection molding cavity inside through sealing compound ascending pipe 6 under the effect of high-tension apparatus; Because sealing agent 7 has flexibility, never solidify and characteristics such as flowability; Therefore these sealing compounds 7 micro gap that externally will fill up on the pad under the condition of pressure to be produced, thus effective seal is lived because of the aging slit that produces of gasket seal.
Embodiment 2
For sealing and the safety in utilization of further guaranteeing this structure; Present embodiment 2 has increased the cured layer 5 that one deck is made by the bicomponent epoxy resin based damping composite material newly on embodiment 1 basis; Promptly this cured layer 5 is arranged on the outside of outer reinforced layer 4, and its structure is like Fig. 3, shown in 4.
As stated, just can realize the utility model preferably.
Claims (5)
1. flange pressure sealing structure; Mainly constitute by the flange plate (2) that is docking together through bolt (1); It is characterized in that: also comprise sealing compound ascending pipe (6), the outer reinforced layer (4) that is arranged between two flange plates (2) and all screw rods between two flange plates (2) are wrapped in its inner interior reinforced layer (3) and whole flange plate (2) and interior reinforced layer (3) are wrapped in its inside; Be formed with an airtight cavity in the inside of interior reinforced layer (3); One end of sealing compound ascending pipe (6) passes the inside that is positioned at this airtight cavity behind outer reinforced layer (4) and the interior reinforced layer (3), and sealing compound (7) is then filled in the inside at this airtight cavity through sealing agent ascending pipe (6).
2. a kind of flange pressure sealing structure according to claim 1, it is characterized in that: the outside of reinforced layer (4) also is provided with cured layer (5) outside.
3. a kind of flange pressure sealing structure according to claim 1 and 2 is characterized in that: reinforced layer (3) is made by fibre reinforced composites in described.
4. a kind of flange pressure sealing structure according to claim 3 is characterized in that: described outer reinforced layer (4) is the composite structure of modified epoxy and reinforcing fiber.
5. a kind of flange pressure sealing structure according to claim 2, it is characterized in that: described cured layer (5) is made by the bicomponent epoxy resin based damping composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204706735U CN202327510U (en) | 2011-11-24 | 2011-11-24 | Flange pressurized leak stoppage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204706735U CN202327510U (en) | 2011-11-24 | 2011-11-24 | Flange pressurized leak stoppage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327510U true CN202327510U (en) | 2012-07-11 |
Family
ID=46439491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204706735U Expired - Lifetime CN202327510U (en) | 2011-11-24 | 2011-11-24 | Flange pressurized leak stoppage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327510U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266034A (en) * | 2014-09-29 | 2015-01-07 | 广东韶钢松山股份有限公司 | Rapid repair device and repair method for leakage of pipeline flange connection |
| CN105627023A (en) * | 2016-03-18 | 2016-06-01 | 陕西华富新能源有限公司 | Device and method for stopping leakage of gas pipeline |
| CN110873255A (en) * | 2019-08-20 | 2020-03-10 | 中海油(福建)应急维修有限责任公司 | Low-temperature pipeline flange cladding device and method |
| CN113015871A (en) * | 2018-07-09 | 2021-06-22 | 巴西石油公司 | Apparatus and method for repairing hoses of an umbilical |
| CN113752447A (en) * | 2020-06-03 | 2021-12-07 | 中国石油化工股份有限公司 | Device and method for online leak stoppage of valve |
| CN117469517A (en) * | 2023-12-27 | 2024-01-30 | 山东联友石化工程有限公司 | Pipeline plugging device and plugging method |
-
2011
- 2011-11-24 CN CN2011204706735U patent/CN202327510U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266034A (en) * | 2014-09-29 | 2015-01-07 | 广东韶钢松山股份有限公司 | Rapid repair device and repair method for leakage of pipeline flange connection |
| CN105627023A (en) * | 2016-03-18 | 2016-06-01 | 陕西华富新能源有限公司 | Device and method for stopping leakage of gas pipeline |
| CN113015871A (en) * | 2018-07-09 | 2021-06-22 | 巴西石油公司 | Apparatus and method for repairing hoses of an umbilical |
| CN113015871B (en) * | 2018-07-09 | 2023-04-18 | 巴西石油公司 | Apparatus and method for repairing a hose of an umbilical |
| CN110873255A (en) * | 2019-08-20 | 2020-03-10 | 中海油(福建)应急维修有限责任公司 | Low-temperature pipeline flange cladding device and method |
| CN113752447A (en) * | 2020-06-03 | 2021-12-07 | 中国石油化工股份有限公司 | Device and method for online leak stoppage of valve |
| CN113752447B (en) * | 2020-06-03 | 2023-03-21 | 中国石油化工股份有限公司 | Device and method for online leak stoppage of valve |
| CN117469517A (en) * | 2023-12-27 | 2024-01-30 | 山东联友石化工程有限公司 | Pipeline plugging device and plugging method |
| CN117469517B (en) * | 2023-12-27 | 2024-03-29 | 山东联友石化工程有限公司 | Pipeline plugging device and plugging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
|
| CX01 | Expiry of patent term |