CN104482217B - There is the automatic compensating inflation soft seal method of remote control function - Google Patents
There is the automatic compensating inflation soft seal method of remote control function Download PDFInfo
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- CN104482217B CN104482217B CN201410614020.8A CN201410614020A CN104482217B CN 104482217 B CN104482217 B CN 104482217B CN 201410614020 A CN201410614020 A CN 201410614020A CN 104482217 B CN104482217 B CN 104482217B
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- air bag
- floating plate
- storage tank
- pressure
- air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
Abstract
The present invention relates to a kind of automatic compensating with remote control function and inflate soft seal method, mainly solve the problem that sealing device in prior art is tight with tank skin laminating, implant is lasting and is difficult to change, cannot remotely control.The present invention is by using a kind of automatic compensating inflation soft seal method with remote control function, soft sealer is used to seal between storage tank floating plate and tank skin, described soft sealer mainly includes that air bag, air bag fixing band, bladder joint, pressed gas storage tank, pressure wireless sensor, the technical scheme of air injection pipe preferably solve the problems referred to above, can be used in the sealing of floating roof tank.
Description
Technical field
The present invention relates to a kind of automatic compensating inflation soft seal method with remote control function.
Background technology
At present, sealing majority between External floating roof tank floating plate and tank skin uses elastic foam to fill sealing, mechanical seal or topping up and seals, these sealing devices are in operation because being affected by factors such as tank skin ovality, implant deformation failures, it is difficult to keep effectively sealing with tank skin, cause oil and gas leakage, become the important hidden danger of floating roof seal curtain blast accident.
CN201210431694.5 relates to a kind of compound sealing device being applied to internal floating roof tank, sealing effectiveness can be greatly improved, the corrosion product of tank skin attachment can be removed again in time, thus be substantially reduced the risk of the blast accident that tank Nei Fashengyin corrosion product spontaneous combustion causes.
Having filled substantial amounts of liquid, generally water, diesel oil etc. inside topping up sealing device, this installation weight is very big, higher to the loading demands of floating plate, and once leaks, and often results in oil pollution.
Elastic foam is filled and is sealed the internal three core foams that are filled with, and this kind of polyurethane foam elasticity is after standing repeatedly to extrude, and elasticity is substantially reduced, it is impossible to guarantee fits tightly with tank skin, defines oil and gas leakage space.
Mechanically-sealing apparatus can ensure and the fitting tightly of tank skin, but there is many places metal connecting piece inside it, lightning current spark phenomenon in sealing ring easily occurs when being struck by lightning, causes sealing ring to burn.
This three classes sealing device is respectively positioned on storage tank floating plate bottom, cannot open Inspection and maintenance, it is impossible to judge the integrity of sealing device, its performance have impact on the operation safety of storage tank the most to a certain extent, due to the weak link of itself, the safe operation of storage tank can not be adapted to completely.
Summary of the invention
The technical problem to be solved be in prior art the laminating of sealing device and tank skin not closely, implant not persistently and the problem that is difficult to change, cannot remotely control, it is provided that a kind of new automatic compensating inflation soft seal method with remote control function.The method, in the sealing of floating roof tank, has sealing device and tank skin laminating is tight, implant is lasting and easily replacing, remote controlled advantage.
For solving the problems referred to above, the technical solution used in the present invention is as follows: a kind of automatic compensating inflation soft seal method with remote control function, soft sealer is used to seal between storage tank floating plate and tank skin, described soft sealer mainly includes air bag, air bag fixing band, bladder joint, pressed gas storage tank, pressure wireless sensor, air injection pipe, air bag is fixed on floating plate edge, air bag top and bottom are separately fixed at lower end air bag bracket and the floating plate upper edge of floating plate by air bag fixing band, adjacent two air bags use bladder joint to connect, the space between floating plate and tank skin it is full of after airbag aeration, each air bag is provided with injecting hole, injecting hole is connected by air injection pipe with pressed gas storage tank, pressed gas storage tank is provided with blowdown pipe and pressure wireless sensor；Wherein, described bladder joint inner surface is provided with agnail with the air bag after fixing inflation.
In technique scheme, it is preferable that described air bag fixing band is with bolts with floating plate.
In technique scheme, it is preferable that needed for described floating roof tank, the length of air bag is determined by storage tank floating plate diameter, and each balloon length takes 15～20m, it is simple to installs and carries.
In technique scheme, it is preferable that the girth of described air bag longitudinal section depends on the height of floating plate, after airbag aeration, need to ensure that the space between floating plate and tank skin is completely filled with, i.e. after airbag aeration, the height of air bag is equal with floating plate height.
In technique scheme, it is preferable that described adjacent two air bags use annular air-pocket joint to connect, i.e. air bag inserts in joint before inflation, uses agnail fixation balloon, in joint after inflating, air bag is fitted completely with joint, and the agnail being abutted against in head fixes two air bags.
In technique scheme, it is preferable that storing the gas of certain pressure, and all airbags between this storage tank and floating plate in described pressed gas storage tank, all air bags carry out respiratory exchange by pressed gas storage tank, it is achieved the integral pressure balance of all air bags of floating plate.
In technique scheme, preferably, pressure wireless sensor is set on described pressed gas storage tank, control centre remotely monitors intracapsular pressure change, when exceeding preset value less than pressure set points or pressure drop low velocity, then at the gas injection port of storage tank collecting pipe, valve will be closed, to prevent other airbag gas from also leaking, and in time from the external world to QI invigorating in pressure vessel.
Having the beneficial effect that of this patent: 1. the overall weight of aerating gasbag relatively topping up or elastic foam fill sealing and mechanical seal is substantially reduced, and decrease the requirement to floating plate load；2. aerating gasbag can be by the gas regulation of the gas reservoir at floating plate center and equilibrium assignmen, realize the gas balance of whole floating plate edge air bag, gas in all air bags can compensate flowing in whole floating plate, to ensure that between floating plate and tank skin, space is completely filled with, thoroughly eliminate the gap between floating plate and tank skin；3. aerating gasbag can realize remote on-line monitoring, checks gasbag pressure in good time, to judge to exist between floating plate and tank skin the probability in gap；4. checking maintenance is convenient, and oil product will not be polluted after damaging by air bag；5. air bag volume relatively topping up seals and elastic foam is filled and sealed greatly, and air bag is greatly increased with the contact area of tank skin, can preferably adapt to tank skin deformation, achieve preferable technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of device of the present invention.
Fig. 2 is that front elevational schematic is installed at the floating plate edge of device of the present invention.
Fig. 3 is bladder joint and the scheme of installation of device of the present invention.
1 is storage tank shell；2 is floating plate；3 is pressed gas storage tank；4 is air bag；5 is air injection pipe；6 is air bag fixing band；7 is air bag bracket；8 is the agnail of bladder joint inner surface；9 is bladder joint.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Detailed description of the invention
[embodiment 1]
This patent provides a kind of automatic compensating inflation soft seal method with remote control function, soft sealer is used to seal between storage tank floating plate and tank skin, described soft sealer mainly includes air bag, air bag fixing band, bladder joint, pressed gas storage tank, pressure wireless sensor, air injection pipe, air bag is fixed on floating plate edge, air bag top and bottom are separately fixed at lower end air bag bracket and the floating plate upper edge of floating plate by air bag fixing band, adjacent two air bags use bladder joint to connect, the space between floating plate and tank skin it is full of after airbag aeration, each air bag is provided with injecting hole, injecting hole is connected by air injection pipe with pressed gas storage tank, pressed gas storage tank is provided with blowdown pipe and pressure wireless sensor；Wherein, described bladder joint inner surface is provided with agnail with the air bag after fixing inflation.
Needed for floating roof tank, the length of air bag is determined by storage tank floating plate diameter, and each balloon length takes 18m, it is simple to installs and carries.The girth of air bag longitudinal section depends on the height of floating plate, after airbag aeration, need to ensure that the space between floating plate and tank skin is completely filled with, and i.e. after airbag aeration, the height of air bag is equal with floating plate height.Adjacent two air bags use annular air-pocket joint to connect, i.e. air bag inserts in joint before inflation, use agnail fixation balloon in joint, and joint length is 1000mm；After inflating, air bag is fitted completely with joint, and the agnail being abutted against in head fixes two air bags.Each air bag arranges a rubber band every 3m, is fixed in floating plate edge.Each air bag top sets an injecting hole, and injecting hole is connected by appendix with pressed gas storage tank.Storing the gas of certain pressure gas, and all airbags between this storage tank and floating plate in pressed gas storage tank, all air bags carry out respiratory exchange by pressed gas storage tank, it is achieved the integral pressure balance of all air bags of floating plate.Pressure wireless sensor is set on pressed gas storage tank, control centre can remotely monitor intracapsular pressure change, as exceeded preset value less than certain setting value or pressure drop low velocity, then at the gas injection port of collecting pipe, valve will be closed, to prevent other airbag gas from also leaking, and in time from the external world to QI invigorating in pressure vessel.
First according to this storage tank Size calculation floating plate girth and floating plate height, determine length and the height of required air bag, calculate institute's air demand gentle capsule quantity.At the centrally disposed pressed gas storage tank of floating plate, gas collecting pipe, Pressure gauge, valve and wireless pressure sensor etc. are set on this storage tank, collecting pipe interface quantity is equal with air bag requirement, and each collecting pipe seam sets a valve, in order to close source of the gas when keeping in repair air bag.
After all air bags install bladder joint, the air injection pipe of each air bag all collecting pipe interfaces with the gas pressure reservoir at floating plate center are sequentially connected with, a trachea is drawn to gas injection in pressed gas storage tank from tank, until all air bags fully expand, after storage tank internal gas pressure reaches 0.14～0.16MPa, stop gas injection, and remove extraneous source of the gas, the air inlet of closing presure gas reservoir.After airbag inflation, air bag is in close contact with the barb structure in joint, it is ensured that whole air bag is linked to be a complete aerating device.If certain air bag loses heart, then air bag comes off in joint, takes out single air bag.
In use, if certain air bag leaks, then in gas reservoir, pressure will reduce rapidly or slowly reduce, and wait after being reduced to preset value, and wireless pressure sensor will be reported to the police, the main valve of the mouth of pipe of confluxing is automatically switched off, gas intercommunicating system between each air bag is closed, to ensure intact air bag not gas leakage, now, to leakage air bag check and change, after reparation again in air bag QI invigorating to predetermined pressure.
Claims (4)
1. there is an automatic compensating inflation soft seal method for remote control function, use soft sealer to storage tank floating plate and tank
Seal between wall, described soft sealer mainly include air bag, air bag fixing band, bladder joint, pressed gas storage tank,
Pressure wireless sensor, air injection pipe, air bag is fixed on floating plate edge, and air bag top and bottom are solid respectively by air bag fixing band
Being scheduled on lower end air bag bracket and the floating plate upper edge of floating plate, adjacent two air bags use bladder joint to connect, after airbag aeration
Being full of the space between floating plate and tank skin, each air bag is provided with injecting hole, and injecting hole and pressed gas storage tank pass through air injection pipe
Being connected, pressed gas storage tank is provided with blowdown pipe and pressure wireless sensor；Wherein, described bladder joint inner surface is provided with down
Thorn is with the air bag after fixing inflation；The gas of certain pressure is stored in described pressed gas storage tank, and between this storage tank and floating plate
All airbags, all air bags carry out respiratory exchange by pressed gas storage tank, it is achieved the integral pressure of all air bags of floating plate
Balance；Setting pressure wireless sensor on described pressed gas storage tank, control centre remotely monitors intracapsular pressure change, when low
When pressure set points or pressure drop low velocity exceed preset value, then at the gas injection port of storage tank collecting pipe, valve will be closed, in case
Only other airbag gas also leak, and in time from the external world to QI invigorating in pressure vessel；Described adjacent two air bags use annular gas
Capsule joint connects, i.e. air bag inserts in joint before inflation, uses agnail fixation balloon in joint, after inflating, air bag and
Joint is fitted completely, and the agnail being abutted against in head fixes two air bags；In use, if certain air bag leaks, then
In gas reservoir, pressure will reduce rapidly or slowly reduce, and wait after being reduced to preset value, and wireless pressure sensor will be reported to the police, and converge
The main valve of flow tube mouth is automatically switched off, and the gas intercommunicating system between each air bag is closed, to ensure that intact air bag does not leak gas
Body, now, to leakage air bag check and change, after reparation again in air bag QI invigorating to predetermined pressure.
The most according to claim 1, there is the automatic compensating inflation soft seal method of remote control function, it is characterised in that described
Air bag fixing band is with bolts with floating plate.
The most according to claim 1, there is the automatic compensating inflation soft seal method of remote control function, it is characterised in that described
Needed for storage tank, the length of air bag is determined by storage tank floating plate diameter, and each balloon length takes 15～20m, it is simple to installs and carries.
The most according to claim 1, there is the automatic compensating inflation soft seal method of remote control function, it is characterised in that described
The girth of air bag longitudinal section depends on the height of floating plate, after airbag aeration, need to ensure that the space between floating plate and tank skin is filled completely
Full, i.e. after airbag aeration, the height of air bag is equal with floating plate height.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410614020.8A CN104482217B (en) | 2014-11-04 | 2014-11-04 | There is the automatic compensating inflation soft seal method of remote control function |
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| CN201410614020.8A CN104482217B (en) | 2014-11-04 | 2014-11-04 | There is the automatic compensating inflation soft seal method of remote control function |
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| CN104482217A CN104482217A (en) | 2015-04-01 |
| CN104482217B true CN104482217B (en) | 2016-11-02 |
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| CN108050251A (en) * | 2017-12-06 | 2018-05-18 | 南通范氏机械有限公司 | Air sac sealing type vacuum kneader |
| CN111348340A (en) * | 2020-03-09 | 2020-06-30 | 上海和达化工石油工程技术有限公司 | Efficient storage tank connects liquid floating plate entirely |
| CN112225356A (en) * | 2020-10-29 | 2021-01-15 | 诸暨市洛宏环保科技有限公司 | Textile printing and dyeing wastewater treatment equipment and use method thereof |
| CN112201133B (en) * | 2020-10-29 | 2023-03-31 | 深圳普汇医疗科技有限公司 | Ultrasonic positioning puncture simulator |
| CN112808733B (en) * | 2021-01-06 | 2022-04-15 | 苏州瑞优程芯科技有限公司 | Industrial waste gas treatment purifier |
| CN115107969B (en) * | 2022-07-07 | 2023-05-16 | 中国科学院声学研究所 | Underwater buoyancy adjusting device |
| CN115520525B (en) * | 2022-11-24 | 2023-03-17 | 湖南省上池环保科技有限公司 | Storage tank inner floating disc telescopic support and sealing structure |
| CN115676155A (en) * | 2023-01-05 | 2023-02-03 | 北斗启明（北京）节能科技服务有限公司 | Inflatable bag type inner floating roof storage tank edge sealing device |
| CN116513647B (en) * | 2023-07-04 | 2023-09-29 | 湖南省上池环保科技有限公司 | Efficient sealing device for immersion double-disc type stainless steel floating disc |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB947742A (en) * | 1961-11-21 | 1964-01-29 | Union Tank Car Co | Seal arrangement for floating roof |
| JPH11255290A (en) * | 1998-03-09 | 1999-09-21 | Ishikawajima Harima Heavy Ind Co Ltd | Floating roof of floating-roof-type reservoir tank |
| CN101706026A (en) * | 2009-11-12 | 2010-05-12 | 中冶北方工程技术有限公司 | Air inflation sealing device for pipeline connection |
| CN201980610U (en) * | 2011-03-08 | 2011-09-21 | 镇海国家石油储备基地有限责任公司 | Seal ring ventilation and explosion suppression device of floating-roof oil tank |
| CN102897445A (en) * | 2012-09-24 | 2013-01-30 | 常州大学 | Fireproof anti-explosion system of floating-roof oil tank |
| CN203006175U (en) * | 2012-11-20 | 2013-06-19 | 中国石油集团安全环保技术研究院大连分院 | Online monitoring device for monitoring combustible gas in secondary sealed cavity of external floating roof oil tank |
| CN103350834B (en) * | 2013-07-30 | 2014-12-17 | 四川威特龙消防设备有限公司 | Active protection structure for primary sealing space of external floating roof type oil storage tank |
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Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Applicant after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. |
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