CN205562351U - Multiplex condition retractable pipeline corrosion monitor - Google Patents
Multiplex condition retractable pipeline corrosion monitor Download PDFInfo
- Publication number
- CN205562351U CN205562351U CN201620317062.XU CN201620317062U CN205562351U CN 205562351 U CN205562351 U CN 205562351U CN 201620317062 U CN201620317062 U CN 201620317062U CN 205562351 U CN205562351 U CN 205562351U
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- flange
- gland
- short circuit
- pipeline
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Abstract
The utility model belongs to the technical field of corrosion monitoring, concretely relates to multiplex condition retractable pipeline corrosion monitor. The device includes short circuit lower flange, flange formula gate valve, goes up flange and scalable column rod -type lacing film ware. Short circuit lower flange welding is surveyed the position at the pipeline, is connecting flange formula gate valve between short circuit lower flange and the last flange, and scalable column rod -type lacing film ware passes flange, flange formula gate valve, short circuit lower flange in proper order and stretches into by in the survey pipeline. This kind of multiplex condition retractable pipeline corrosion monitor in the time of can being full of the medium in the pipeline, going on pressing the dismouting at the tape, and does not produce the dielectric leakage, and under various operating modes, the homoenergetic enough uses in addition, no matter is ground or underground, high pressure or low pressure. The utility model discloses can carry out corrosion detection at any time, in time, and need not stop pipe -line transportation or arrestment operation, also can not produce the dielectric leakage, have wide ground market perspective.
Description
Technical field
The utility model belongs to corrosion monitoring technology field, is specifically related to a kind of multi-state extension type corrosive pipeline monitoring device.
Background technology
Corrosion coupon is monitored as one of refining and petrochemical processing units corrosion monitoring process, have simple to operate, corrosion information comprehensively, be suitable for the advantages such as corrosive environment is wide, data are reliable, always by as the important corrosion monitoring process of refining device and pipeline and sorting basis.At present, the corrosion coupon monitoring method that each Petrochemical Enterprises uses is mainly during device shut-down (breakdown) mainteance, it is linked into corrosion coupon at the internal perishable position of device key equipment tower, still and container, one all after date of plant running, lacing film is taken out when again stopping work, analyze lacing film surface corrosion situation and measure reduced gravity situations, calculating corrosion rate, being referred to as on-the-spot corrosion coupon monitoring for equipment the method.
The method range is narrower, it is only applicable to the equipment that space is relatively big, people easily passes in and out, such as tower, still and container, people less for some spaces should not pass in and out the equipment that maybe cannot pass in and out and then be not easy to be monitored, the equipment such as such as heat exchanger, pipeline, air cooler；The on-the-spot corrosion coupon monitoring cycle is the cycle of operation of device, time is longer, generally 1～3 year, the time of the corrosion monitoring information obtained and the delayed corrosion process of data is longer, i.e. equipment perhaps has occurred that and corrodes largely, but Monitoring Data and information device to be waited just can obtain after stopping work, it is unfavorable for taking in time the further development of anticorrosive measure suppression corrosion.Additionally, compare corrosive medium such as dirty oil, the wax oil etc. of thickness for some, it is bonded in around lacing film, brings very big inconvenience to dismounting lacing film, have impact on operating efficiency.
Summary of the invention
The purpose of this utility model is that design is a set of when can be full of medium in pipeline, carries out online dismounting with pressure, and does not produce the corrosion monitor of dielectric leakage, detects corrosive pipeline situation at any time and in time.
For this, the utility model provides a kind of multi-state extension type corrosive pipeline monitoring device, including short circuit lower flange, flange type sluice valve, upper flange and scalable column rod-type piece suspension device, described short circuit lower flange is welded on the tested position of pipeline, being connected to flange type sluice valve between short circuit lower flange and upper flange, scalable column rod-type piece suspension device sequentially passes through upper flange, flange type sluice valve, short circuit lower flange stretch in tested pipeline.
Described upper flange connection is installed with gland packing box, and scalable column rod-type piece suspension device is arranged on gland packing box.
Described scalable column rod-type piece suspension device outer end cap is filled with film hangers gland, and film hangers gland front portion is fastenedly connected on gland packing box outer wall by Triangle ID screw.
Described scalable column rod-type piece suspension device includes that expansion link film hangers and hang over the lacing film of expansion link film hangers head position, expansion link film hangers sequentially pass through upper flange, lacing film is stretched in tested pipeline by flange type sluice valve, short circuit lower flange.
Described gland packing box includes stuffing box body, stuffing box body is built with packing ring, and stuffing box body is threaded connection the packing ring gland of hollow, and the end of packing ring gland is pressed on packing ring and is compressed, packing ring gland afterbody is installed with retaining ring, and is compressed by retaining ring gland.
Described gland packing box is outer equipped with stuffing-box protective cap, and stuffing-box protective cap passes through Triangle ID jackscrew fixed cover at gland packing box outer wall.
Compared with prior art, the beneficial effects of the utility model:
The multi-state extension type corrosive pipeline monitoring device that the utility model provides, when can be full of medium in pipeline, carry out online dismounting with pressure, and do not produce dielectric leakage, and under various operating modes, all can use, either ground or underground, high pressure or low pressure, the utility model all can carry out Corrosion monitoring at any time and in time, and need not stop pipeline conveying or arrestment operation, also will not produce dielectric leakage, there is the biggest market application foreground.
Accompanying drawing explanation
Below with reference to accompanying drawing, the utility model is described in further details.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is dismounting schematic diagram of the present utility model.
Fig. 3 is the structural representation of scalable column rod-type piece suspension device.
Fig. 4 is gland packing box scheme of installation.
Fig. 5 is that piece suspension device inserts gland packing box locked schematic diagram.
Fig. 6 is the schematic diagram of utility model works filling.
Fig. 7 is that the utility model is at underground high-voltage pipeline pressure test schematic diagram.
Description of reference numerals: 1, short circuit lower flange；2, flange type sluice valve；3, upper flange；4, scalable column rod-type piece suspension device；5, gland packing box；6, expansion link film hangers；7, lacing film；8, film hangers gland；9, Triangle ID screw；10, stuffing box body；11, packing ring gland；12, packing ring；13, retaining ring；14, retaining ring gland；15, stuffing-box protective cap；16, replacer.
Detailed description of the invention
Embodiment 1:
The present embodiment provides a kind of multi-state extension type corrosive pipeline monitoring device, as shown in Figure 1, including short circuit lower flange 1, flange type sluice valve 2, upper flange 3 and scalable column rod-type piece suspension device 4, described short circuit lower flange 1 is welded on the tested position of pipeline, flange type sluice valve 2 it is connected between short circuit lower flange 1 and upper flange 3, scalable column rod-type piece suspension device 4 sequentially passes through upper flange 3, flange type sluice valve 2, short circuit lower flange 1 stretches in tested pipeline, upper flange 3 connection is installed with gland packing box 5, scalable column rod-type piece suspension device 4 is arranged on gland packing box 5.
Shown in Fig. 2, the installation and removal process of this device of the present embodiment is as follows.
Lacing film installation process:
(1) open the aperture of DN40 at the tested position of pipeline, then press welding standard welding short circuit lower flange 1；
(2) mounting flange formula DN40 gate valve 2 (standard is consistent with enterprise requirements)；
(3) scalable column rod-type piece suspension device 4 is arranged in gland packing box 5, gland packing box 5 is installed at upper flange 3, seals and lock scalable column rod-type piece suspension device 4(Fig. 1)；
(4) by replacer 16(Fig. 2 with pressure) fix with gland packing box 5 and scalable column rod-type piece suspension device 4, in sealed states scalable column rod-type piece suspension device 4 is pressed in tested pipeline, lock sealing structure behind fixed position, unloads replacer 16 with pressure, installs；
Lacing film unloading process:
Contrary with installation process, by above-mentioned (4th) step, screw out outside scalable column rod-type piece suspension device 4 to flange type sluice valve 2 with replacer 16, after fastening flange type sluice valve 2, dismantle gland packing box 5, unload scalable column rod-type piece suspension device 4.
By this device of the present utility model, just it is mounted directly when pipe installation, scalable column rod-type piece suspension device 4 can complete to reflect the corrosion condition in tested pipeline after completion of installation, scalable column rod-type piece suspension device 4 can be taken out at any time carry out checking corrosion condition, the corrosion condition of the lacing film of scalable column rod-type piece suspension device 4 is the corrosion condition within pipeline, it is achieved monitoring function.
Embodiment 2:
The present embodiment improves on the basis of embodiment 1 further, in the present embodiment, is filled with film hangers gland 8 at scalable column rod-type piece suspension device 4 outer end cap, and film hangers gland 8 is anterior to be fastenedly connected on gland packing box 5 outer wall by Triangle ID screw 9.During lacing film generation corrosion reaction, film hangers gland 8 is pressed in scalable column rod-type piece suspension device 4 outer end all the time, and scalable column rod-type piece suspension device 4 will not drop out tested pipeline, it is possible to correct reflection pipeline corrosion situation.
Embodiment 3:
Scalable column rod-type piece suspension device 4 is further illustrated by the present embodiment, as shown in Figure 3, scalable column rod-type piece suspension device 4 includes expansion link film hangers 6 and hangs over the lacing film 7 of expansion link film hangers 6 head position, and expansion link film hangers 6 sequentially passes through upper flange 3, lacing film 7 is stretched in tested pipeline by flange type sluice valve 2, short circuit lower flange 1.
Expansion link film hangers 6 is fixed on gland packing box 5, and through upper flange 3, flange type sluice valve 2, short circuit lower flange 1, lacing film 7 is finally made to be positioned in tested pipeline, lacing film 7 local environment is identical with tested pipeline, carrying out identical corrosion with tested pipeline, the moment correctly reflects the corrosion condition of tested pipeline.
Embodiment 4:
Gland packing box 5 is further illustrated by the present embodiment, as shown in Figure 4, gland packing box 5 includes stuffing box body 10, stuffing box body 10 is built with packing ring 12, stuffing box body 10 is threaded connection the packing ring gland 11 of hollow, the end of packing ring gland 11 is pressed on packing ring 12 and is compressed, and packing ring gland 11 afterbody is installed with retaining ring 13, and is compressed by retaining ring gland 14.
Gland packing box 5 is outer equipped with stuffing-box protective cap 15, and stuffing-box protective cap 15 passes through Triangle ID jackscrew fixed cover at gland packing box 5 outer wall.
Shown in Fig. 5 and Fig. 6, the expansion link film hangers 6 of scalable column rod-type piece suspension device 4 is through packing ring gland 11, packing ring 12, stuffing box body 10, then locked by retaining ring 13, in the present embodiment, retaining ring 13 has twice, then with retaining ring gland 14, retaining ring 13 is compressed, so, expansion link film hangers 6 just can be made to be arranged on gland packing box 5, and it is the installation sealed, in the case of on-line pressure sealant, realize the flexible of expansion link film hangers 6, play static seal, movable sealing, fixing probe and connect the effect of replacer.
This multi-state extension type corrosive pipeline monitoring device of the present utility model, it is possible to use under various operating modes, either ground or underground, either high pressure or low pressure, this structure all can carry out operation, as it is shown in fig. 7, be the mounting structure of monitoring underground high-voltage pipeline corrosion situation.
In sum, this multi-state extension type corrosive pipeline monitoring device of the present utility model, when can be full of medium in pipeline, carry out online dismounting with pressure, and do not produce dielectric leakage, and under various operating modes, all can use, either ground or underground, high pressure or low pressure, this structure of the present utility model can carry out Corrosion monitoring at any time and in time, and pipeline conveying or arrestment operation need not be stopped, also will not producing dielectric leakage, there is the biggest market application foreground.
Exemplified as above is only to illustration of the present utility model, is not intended that the restriction to protection domain of the present utility model, within the every and same or analogous design of the utility model belongs to protection domain of the present utility model.
Claims (6)
1. multi-state extension type corrosive pipeline monitoring device, it is characterized in that: include short circuit lower flange (1), flange type sluice valve (2), upper flange (3) and scalable column rod-type piece suspension device (4), described short circuit lower flange (1) is welded on the tested position of pipeline, being connected to flange type sluice valve (2) between short circuit lower flange (1) and upper flange (3), scalable column rod-type piece suspension device (4) sequentially passes through upper flange (3), flange type sluice valve (2), short circuit lower flange (1) stretch in tested pipeline.
2. multi-state extension type corrosive pipeline monitoring device as claimed in claim 1, it is characterised in that: described upper flange (3) connection is installed with gland packing box (5), and scalable column rod-type piece suspension device (4) is arranged on gland packing box (5).
3. multi-state extension type corrosive pipeline monitoring device as claimed in claim 2, it is characterized in that: described scalable column rod-type piece suspension device (4) outer end cap is filled with film hangers gland (8), film hangers gland (8) is anterior to be fastenedly connected on gland packing box (5) outer wall by Triangle ID screw (9).
4. multi-state extension type corrosive pipeline monitoring device as claimed in claim 1 or 2, it is characterized in that: described scalable column rod-type piece suspension device (4) includes expansion link film hangers (6) and hangs over the lacing film (7) of expansion link film hangers (6) head position, expansion link film hangers (6) sequentially passes through upper flange (3), lacing film (7) is stretched in tested pipeline by flange type sluice valve (2), short circuit lower flange (1).
5. multi-state extension type corrosive pipeline monitoring device as claimed in claim 2 or claim 3, it is characterized in that: described gland packing box (5) includes stuffing box body (10), stuffing box body (10) is built with packing ring (12), stuffing box body (10) is threaded connection the packing ring gland (11) of hollow, the end of packing ring gland (11) is pressed on packing ring (12) and is compressed, packing ring gland (11) afterbody is installed with retaining ring (13), and is compressed by retaining ring gland (14).
6. multi-state extension type corrosive pipeline monitoring device as claimed in claim 5; it is characterized in that: described gland packing box (5) is outward equipped with stuffing-box protective cap (15), and stuffing-box protective cap (15) passes through Triangle ID jackscrew fixed cover at gland packing box (5) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317062.XU CN205562351U (en) | 2016-04-18 | 2016-04-18 | Multiplex condition retractable pipeline corrosion monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317062.XU CN205562351U (en) | 2016-04-18 | 2016-04-18 | Multiplex condition retractable pipeline corrosion monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562351U true CN205562351U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620317062.XU Withdrawn - After Issue CN205562351U (en) | 2016-04-18 | 2016-04-18 | Multiplex condition retractable pipeline corrosion monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562351U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449800A (en) * | 2017-09-14 | 2017-12-08 | 西南石油大学 | A kind of high sulfur Gas Fields gathering line corrosion monitoring prior-warning device and method |
| CN108020499A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | New refinery installs pipes Corrosion monitoring test specimen |
-
2016
- 2016-04-18 CN CN201620317062.XU patent/CN205562351U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020499A (en) * | 2016-10-31 | 2018-05-11 | 中国石油化工股份有限公司 | New refinery installs pipes Corrosion monitoring test specimen |
| CN107449800A (en) * | 2017-09-14 | 2017-12-08 | 西南石油大学 | A kind of high sulfur Gas Fields gathering line corrosion monitoring prior-warning device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20180122 |