CN206891628U - A kind of safety monitoring assembly for external floating top tank discharge outlet - Google Patents
A kind of safety monitoring assembly for external floating top tank discharge outlet Download PDFInfo
- Publication number
- CN206891628U CN206891628U CN201720601130.XU CN201720601130U CN206891628U CN 206891628 U CN206891628 U CN 206891628U CN 201720601130 U CN201720601130 U CN 201720601130U CN 206891628 U CN206891628 U CN 206891628U
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- discharge outlet
- fiber
- top tank
- safety monitoring
- floating top
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Abstract
It the utility model is related to a kind of safety monitoring assembly for external floating top tank discharge outlet.The utility model belongs to floating roof tank structural safety monitoring technical field.A kind of safety monitoring assembly for external floating top tank discharge outlet, it is characterized in：Safety monitoring assembly for external floating top tank discharge outlet includes fiber-optic grating sensor, welding base, terminal box, optical cable, monitoring main frame, fiber-optic grating sensor is rigidly connected by welding base with external floating top tank discharge outlet, the sensor tail optical fiber of fiber-optic grating sensor is connected by terminal box with optical cable, optical cable is connected with monitoring main frame, monitors main frame by the data of reception optical fiber grating sensor so as to realize the safety monitoring to discharge outlet.The utility model can realize the real time on-line monitoring to the stressing conditions of discharge outlet, and monitoring obtained data and the allowable value that simulation is calculated are contrasted, ensure that discharge outlet will not cause unexpected damage because fatigue load or stress are excessive, reach and give warning in advance, the purpose of proactive tissue overhauls, ensures the safe to use of storage tank.
Description
Technical field
The utility model belongs to floating roof tank structural safety monitoring technical field, and being used for external floating top tank more particularly to one kind arranges
The safety monitoring assembly at the mouth of a river.
Background technology
External floating top tank is one kind of floating roof formula storage tank, because the advantage of its own design and the flexible of floating roof up and down can be with
Press close to liquid level so as to greatly reduce the volume of ullage oil vapour, thus the oil evaporation of stored material can be greatly reduced
The advantage of loss, in today of storage tank maximization, have been obtained for more and more applying.
But during the use of external floating top tank, there is also certain security risk, such as floating plate deformation chuck,
Volatile oil and gas caused by lead deformation, once sealing and secondary seal be not tight are overflowed, tank bottom tank skin corrodes etc., a series of
Security risk in, be least vulnerable to attention, and it is exactly the safety problem of discharge outlet to be easiest to the place of generation problem.Floating roof
The drainpipe connected on storage tank floating plate is generally divided to two kinds, and one kind is hose type drainpipe, because long period of soaking is in oil product, is held very much
Easily corrode；Another kind is metal joint formula drainpipe, because floating plate up and down motion extrusion stretching causes drainpipe and its connects
Acted on for a long time by fatigue load at mouthful, the position that both contact is that discharge outlet is easy to be broken, and causes oil product
Overflow, induce security incident.
The content of the invention
The utility model provides one kind for technical problem present in solution known technology and is used for external floating top tank discharge outlet
Safety monitoring assembly.
The purpose of this utility model be to provide it is a kind of have can realize to the real-time online of the stressing conditions of discharge outlet
Monitoring, and the data of monitoring and the allowable value that simulation is calculated are contrasted, ensure that discharge outlet will not be because of fatigue load
Or stress is excessive and cause unexpected damage, accomplishes to give warning in advance, the maintenance of proactive tissue, ensure the use peace of storage tank
The safety monitoring assembly for external floating top tank discharge outlet of congruent feature.
A kind of external floating top tank discharge outlet safety monitoring assembly based on Fiber Bragg Grating technology, due to the stress of drain structure for water
Direction and fracture position are unpredictable, otherwise varied according to the construction situation of itself, so needing to carry out entirely this structure
The overall monitoring in face, original sensor construction can not be applicable, by carrying out weight for existing optical fiber optical grating stress sensor
New design, structural modification is encapsulated into the L-type for being applied to drain structure for water, discharge outlet side inner walls can be completely covered,
Meanwhile this monitoring device also has outstanding water resistance, it can meet that floating plate is monitored in the case of having ponding.
The utility model is that the operational version for solving the device designed by technical problem present in known technology is：It is first
First, target storage tank is investigated, including builds drawing and running situation, finite element mould is carried out to it based on these data
Intend calculating, stress numerical value of the drain structure for water in normal operation range is determined, in this, as the pre-alarm foundation of monitoring of software；
Secondly, by way of welding, by the tube chamber welds with base of monitoring device on discharge outlet inwall, guarantee is that rigidity connects between the two
Connect, can be very good the stressing conditions of discharge outlet being transmitted on sensor, the periphery of inner wall of each discharge outlet is uniformly laid
Four sensors, the tail optical fiber of four sensors are connected by the waterproof junction box being fixed on floating plate with an eight core optical cables,
By optical cable, the monitoring main frame positioned at Central Control Room is sent data to；Finally, a whole set of monitoring device can be in real time to discharge outlet
Stressing conditions are monitored, and judge whether its stressing conditions has exceeded allowable stress, are carried out according to the data of monitoring different degrees of
Pre-alarm, remind staff carry out next step repair and maintenance work, ensure the safe for operation of floating roof tank.
The safety monitoring assembly that the utility model is used for external floating top tank discharge outlet is adopted the technical scheme that：
A kind of safety monitoring assembly for external floating top tank discharge outlet, it is characterized in：Peace for external floating top tank discharge outlet
Full monitoring device includes fiber-optic grating sensor, welding base, terminal box, optical cable and monitoring main frame, fiber-optic grating sensor and led to
Welding base is crossed to be rigidly connected with external floating top tank discharge outlet, the sensor tail optical fiber of fiber-optic grating sensor by terminal box and
Optical cable is connected, and optical cable is connected with monitoring main frame, and the data of monitoring main frame reception optical fiber grating sensor are so as to carrying out safety monitoring.
The safety monitoring assembly that the utility model is used for external floating top tank discharge outlet can also adopt the following technical scheme that：
The described safety monitoring assembly for external floating top tank discharge outlet, is characterized in：The quantity of fiber-optic grating sensor
For 2-6, terminal box, sensor tail optical fiber is connected to monitoring main frame by terminal box and an optical cable.
The described safety monitoring assembly for external floating top tank discharge outlet, is characterized in：The welding of fiber-optic grating sensor
Base is respectively welded in floating plate and discharge outlet inwall, is realized and is rigidly connected with external floating top tank discharge outlet, around each discharge outlet
It is uniformly distributed installation fiber-optic grating sensor.
The utility model has the advantages and positive effects of：
Safety monitoring assembly for external floating top tank discharge outlet as a result of the brand-new technical scheme of the utility model, with
Prior art is compared, and the utility model is by the way that it is uniformly laid in around discharge outlet, it is possible to achieve to discharge outlet by
The monitoring of the real-time online of power situation, and the data of monitoring and the allowable value that simulation is calculated are contrasted, ensure draining
Mouth will not cause unexpected damage because fatigue load or stress are excessive, accomplish to give warning in advance, the inspection of proactive tissue
Repair, ensure the safe to use of storage tank.
Brief description of the drawings
Fig. 1 is the safety monitoring assembly installation structural representation that the utility model is used for external floating top tank discharge outlet；
Fig. 2 is the safety monitoring assembly structural representation that the utility model is used for external floating top tank discharge outlet.
In figure, 1, sensor tail optical fiber, 2, fiber-optic grating sensor, 3, welding base, 4, discharge outlet inwall, 5, discharge outlet enters
Mouthful, 6, drainpipe, 7, terminal box, 8, multifiber cable, 9, monitoring main frame, 10, floating plate.
Embodiment
For utility model content, feature and effect of the present utility model can be further appreciated that, following examples are hereby enumerated, and
Accompanying drawing is coordinated to describe in detail as follows：
Refering to accompanying drawing 1 and Fig. 2.
Embodiment 1
A kind of safety monitoring assembly for external floating top tank discharge outlet, including fiber-optic grating sensor, welding base, wiring
Box, optical cable and monitoring main frame.The welding base of fiber-optic grating sensor is respectively welded in floating plate and discharge outlet inwall, with outer floating roof
The discharge outlet of tank is realized and is rigidly connected, and 4 fiber-optic grating sensors of installation are uniformly distributed around each discharge outlet.4 optical fiber
The sensor tail optical fiber of grating sensor is connected to monitoring main frame by terminal box and a multifiber cable, monitors main frame reception optical fiber
The data of grating sensor carry out safety monitoring.
The present embodiment specific implementation process：
The utility model is used for the safety monitoring assembly of external floating top tank discharge outlet, including 1 fiber-optic grating sensor 2, its
Encapsulating structure includes 2 welding 3,1 sensor tail optical fibers 1 of base, as shown in Figure 2.During installation, by way of welding, it will weld
Connect base 3 to be rigidly connected with floating plate 10 and discharge outlet inwall 4 respectively, 4 optical fiber of installation are uniformly distributed around each discharge outlet
Grating sensor 2.After installation, sensor tail optical fiber 4 is connected by terminal box 7 with multifiber cable 8, multifiber cable 8
The other end is connected with the monitoring main frame 9 in Central Control Room, that is, completes the installation of monitoring device, and the design sketch after installation is such as
Shown in Fig. 1.When floating plate 10 is due to entering fuel-displaced up and down motion, it can cause drainpipe 6 that tension and compression occur to discharge outlet inwall 4 and move
Make, cause discharge outlet inwall 4 to be acted on by Tensile or Compressive Loading, at this moment, fiber-optic grating sensor 2 can monitor draining in real time
The stressing conditions of intraoral wall 4, obtained data transfer then will be monitored by multifiber cable 8 and judged to main frame 9 is monitored, from
And ensure the safe for operation of floating roof tank.
The present embodiment realizes the monitoring of the real-time online to the stressing conditions of discharge outlet, and the data of monitoring and simulation are counted
Obtained allowable value is contrasted, and ensures that discharge outlet will not cause unexpected damage because fatigue load or stress are excessive
It is bad, accomplish to give warning in advance, the maintenance of proactive tissue, ensure the safe to use of storage tank.
Claims (3)
1. a kind of safety monitoring assembly for external floating top tank discharge outlet, it is characterized in that：Safety for external floating top tank discharge outlet
Monitoring device includes fiber-optic grating sensor, welding base, terminal box, optical cable and monitoring main frame, fiber-optic grating sensor and passed through
Welding base is rigidly connected with external floating top tank discharge outlet, and the sensor tail optical fiber of fiber-optic grating sensor passes through terminal box and light
Cable is connected, and optical cable is connected with monitoring main frame, monitors main frame by the data of reception optical fiber grating sensor so as to realize to draining
The safety monitoring of mouth.
2. the safety monitoring assembly according to claim 1 for external floating top tank discharge outlet, it is characterized in that：Fiber grating passes
The quantity of sensor is 2-8, and sensor tail optical fiber is connected to monitoring main frame by terminal box and an optical cable.
3. the safety monitoring assembly according to claim 1 or 2 for external floating top tank discharge outlet, it is characterized in that：Optical fiber light
The welding base of gate sensor is respectively welded to be rigidly connected in floating plate and discharge outlet inwall, realization, around each discharge outlet
Even distributing installation fiber-optic grating sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601130.XU CN206891628U (en) | 2017-05-26 | 2017-05-26 | A kind of safety monitoring assembly for external floating top tank discharge outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720601130.XU CN206891628U (en) | 2017-05-26 | 2017-05-26 | A kind of safety monitoring assembly for external floating top tank discharge outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891628U true CN206891628U (en) | 2018-01-16 |
Family
ID=61320338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720601130.XU Expired - Fee Related CN206891628U (en) | 2017-05-26 | 2017-05-26 | A kind of safety monitoring assembly for external floating top tank discharge outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274731A (en) * | 2018-03-13 | 2019-09-24 | 中国石油化工股份有限公司 | A kind of External floating roof tank central drain leakage monitor based on Fibre Optical Sensor |
-
2017
- 2017-05-26 CN CN201720601130.XU patent/CN206891628U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274731A (en) * | 2018-03-13 | 2019-09-24 | 中国石油化工股份有限公司 | A kind of External floating roof tank central drain leakage monitor based on Fibre Optical Sensor |
| CN110274731B (en) * | 2018-03-13 | 2021-01-15 | 中国石油化工股份有限公司 | Leakage monitoring device for central drain pipe of external floating roof storage tank based on optical fiber sensing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20210526 |