CN108202934B - The lidstock device of storage tank - Google Patents
The lidstock device of storage tank Download PDFInfo
- Publication number
- CN108202934B CN108202934B CN201611169543.1A CN201611169543A CN108202934B CN 108202934 B CN108202934 B CN 108202934B CN 201611169543 A CN201611169543 A CN 201611169543A CN 108202934 B CN108202934 B CN 108202934B
- Authority
- CN
- China
- Prior art keywords
- capping
- ring
- sealing ring
- storage tank
- flexible sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
- B65D88/42—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
- B65D88/50—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle with resilient foam or stuffed seal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of lidstock devices of storage tank, including the first seal assembly being arranged between the tank skin of the storage tank and the capping, first seal assembly includes the hermetic bag being connected with capping and the flexible sealing ring being contained in the hermetic bag, and there are squeezing actions between the flexible sealing ring and tank skin and between capping.In the preferred embodiments of the invention, the sealing device further includes the second seal assembly, second seal assembly includes lower edge and capping connection, the upper annular rigid bodies along the tank skin for being bonded the storage tank, and the filling bag for accommodating fire-retardant particulate matter being connected on the medial surface of the rigid bodies.Invention particularly provides a kind of floating plate sealing devices of floating roof tank.Sealing device provided by the invention has the sealing performance improved, can also have the function of self-extinguishing.
Description
Technical field
The present invention relates to oil gas storage tank technical field of sealing technology, and in particular to a kind of lidstock device of storage tank.
Background technique
The volatile petroleums product such as crude oil, gasoline or kerosene is normally stored in storage tank, such as internal floating roof tank and outer floating
Push up storage tank.Oil gas product is inflammable and explosive product, therefore the seal operation of storage tank is even more important.Current sealing ring majority uses
Soft seal, minority are sealed using filling liquid.For existing many sealing rings, due to air-tightness deficiency, in use for some time,
There are gaps between sealing ring and tank skin, lead to oil and gas leakage.Floating roof tank encounters thunder because there are oil and gas leakages at sealing ring
It hits, Lighting-blast casualty easily occurs after open fire, sealing ring is caused to be burned out, form partly or wholly sealing ring fire.
Summary of the invention
The present invention is intended to provide a kind of lidstock device of storage tank, including once sealing component and secondary seal component,
To reduce or eliminate the leakage of especially storage tank.Further, fire extinguishing is added in once sealing component and secondary seal component
Material realizes automatic fire-extinguishing function using automatic covering pasta.Therefore, it can reach raising using sealing device provided by the invention
The purpose of sealing hydrocarbons, moreover it is possible to further achieve the purpose that self-extinguishing.
The present invention also provides the installation method of the sealing device and applications.
To achieve the purpose of the present invention, present invention firstly provides a kind of lidstock devices for storage tank, including set
The first seal assembly between the tank skin and the capping of the storage tank is set, first seal assembly includes being connected with capping
Hermetic bag and the flexible sealing ring that is contained in the hermetic bag, between the flexible sealing ring and tank skin and the flexibility
There are squeezing actions between sealing ring and capping.
So-called " flexibility " be with rigidity in contrast.The sealing device provided according to the present invention, passes through flexible sealing ring pair
Storage tank shell and the squeezing action of capping and play the role of sealing.Therefore the sealing ring for playing sealing function is flexible, and is had
There are appropriate elasticity and compressibility.
Preferably, the flexible sealing ring is foam ring.
The quantity of the flexible sealing ring can be one or more.To increase to the active force of storage tank sum, it is preferable to use more
A flexible sealing ring.
Preferably, when the flexible sealing ring number is 2 or more, multiple flexible sealing rings are arranged arrangement.
When the flexible sealing ring number is 3 or more, preferably 3 or more flexible sealing rings are arranged arrangement and connect
Connection, but the connection should not influence the elastic deformation (not influencing its performance flexible in other words) of each flexible sealing ring itself.
It is highly preferred that the flexible sealing ring number is 2.
Preferably, Compliant pressure ring is additionally provided in the hermetic bag, the Compliant pressure ring squash type is arranged in institute
It states on flexible sealing ring.
Preferably, the Compliant pressure ring includes annular filling baggy fabric, and the compression being filled in the annular filling baggy fabric
Particulate matter.Preferably, the loading (volume) of the packed particles object in filling baggy fabric is the 70-95% of filling baggy fabric volume, more preferably
75-85%.
Preferably, the packed particles object being filled in the annular filling baggy fabric is fire-retardant particulate matter.
In accordance with the present invention it is preferred that the quantity of the flexible sealing ring is two, the quantity of the Compliant pressure ring is one
It is a, and the Compliant pressure ring is in contact with two flexible sealing rings.In the case, a Compliant pressure ring and two
A flexible sealing ring constitutes the construction of class " product " font.
It is further preferred that the sectional dimension of single flexible sealing ring is the gap size between capping and the tank skin of storage tank
1/2 times to 9/10 times, preferably 3/5 times to 4/5 times.The sectional dimension of the single flexible sealing ring refers to flexible sealing ring
Longest distance between two points in longitudinal section.For example, the sectional dimension refers to round cut when the section of flexible sealing ring is circle
The diameter in face, when the section of flexible sealing ring is ellipse, the sectional dimension refers to the major axis dimension of elliptic cross-section.Institute
State the gap size between storage tank be tank skin and between spacing.
It is further preferred that the sectional dimension of the Compliant pressure ring is 1 times of the sectional dimension of single flexible sealing ring
To 2 times, preferably greater than 1.2 times less than 2 times.The sectional dimension of the Compliant pressure ring refers in the longitudinal section of Compliant pressure ring most
Long distance between two points.For example, the sectional dimension refers to the diameter of circular cross-section when the section of Compliant pressure ring is circle,
When the section of Compliant pressure ring is ellipse, the sectional dimension refers to the major axis dimension of elliptic cross-section.
Preferably, the Compliant pressure ring and/or the flexible sealing ring are circular ring shape or oval ring.It is preferred that described soft
It is tangent to each other between property compression ring and the flexible sealing ring.
Preferably, the hermetic bag is soft seal bag, and material is preferably nitrile rubber, plays and reinforces sealing and oil resistant
Effect.
In accordance with the present invention it is preferred that described device further includes the second sealing group above first seal assembly
Part, second seal assembly include lower edge and cover connection, the upper annular rigid bodies along the tank skin for being bonded the storage tank, with
And it is connected to the filling bag for accommodating fire-retardant particulate matter on the medial surface of the rigid bodies.
The lower edge of rigid bodies refers to it close to the edge of storage tank pasta, and upper edge refers to its edge far from storage tank pasta.
Preferably, the lower edge of the filling bag is connect with the lower edge of the rigid bodies, the upper edge of the filling bag
It is connect with the upper edge of the rigid bodies.
The lower edge of filling bag refers to it close to the edge of storage tank pasta, and upper edge refers to its edge far from storage tank pasta.
According to the present invention, the filling bag is preferably made of oil resistance gas material, such as oil resistance air film.The oil resistance gas material
Material is the material for referring to prevent oil or gas from penetrating, and is referred to as preventing permeable gas permeable material.For the material, the present invention does not have
Especially limitation prevents permeable permeation functions and does not influence to fill release of bag when on fire to fire-retardant particulate matter as long as can play.
Preferably, the perimeter of section of the filling bag is 3-6 times of the rigid bodies width.Generally, it will fill out
The upper lower edge for filling bag is pulled open when keeping filling bag straight, and the distance between upper lower edge is the distance between lower edge in rigid bodies
1.5-3 times.
Preferably, the loading (volume) for filling the fire-retardant particulate matter in bag is the 60-90% for filling bag volume, more
It is preferred that 70-85%.
Preferably, ring packing scraper plate is connected with along place in annular rigid bodies.The sealing scraper is preferably rubber
Glue scraper plate.Gap between the sealing scraper sealing metal support plate and tank skin prevents oil gas from overflowing from the gap, meanwhile,
The scraper plate can also remove the Residual oil on tank skin.Scraper plate can be connect by modes such as bolts with the rigid bodies.
Preferably, described device further includes the support plate being located in the capping, below first seal assembly.
Preferably, the lower edge of rigid bodies is fixed on the top edge of capping, and the hermetic bag of once sealing component also connects
In the top edge of capping.
According to the present invention, the storage tank is preferably External floating roof tank or internal floating roof tank, and the capping is floating plate.Further
Ground, the annular rigid bodies are preferably annular metal sheet.
The fire-retardant particulate matter being used in the present invention can be fire proofing particulate matter commonly used in the art, preferably gently
The fire-retardant particulate matter of matter, density are less than oil density.For example, the fire-retardant particulate matter can be flame retardant rubber particle, lightweight is closed
At least one of hole expanded perlite and hollow thin-wall stainless steel ball etc..
The present invention also provides the installation methods of the lidstock device of the storage tank provided according to the present invention, comprising:
The first end of the hermetic bag of first seal assembly is fixed in capping, flexible sealing ring is put into hermetic bag
In, the Compliant pressure ring for being filled with packed particles object is placed on flexible sealing ring top, then consolidates the second end of hermetic bag
It is scheduled in capping, forms the first seal assembly；
The lower edge of the lower edge of rigid bodies and filling bag is fixed on capping top edge, by fill bag on along solid
Due to the upper edge of rigid bodies, then sealing scraper is fixed on to the upper edge of rigid bodies, forms the second seal assembly, wherein
The rigid bodies are contacted by sealing scraper with the tank skin of the storage tank.
Preferably, the stickiness between rigid bodies and tank skin is adjusted by the bolt in capping, then fastening installation.
Non-exhaustively, outstanding advantage of the invention includes following aspect.
1, strengthen sealing performance.The Compliant pressure ring that packed particles object is filled in first seal assembly is made in self gravity
Under, increases flexible sealing ring to the pressuring action of tank skin and capping, improve the sealing performance of sealing ring.Further,
It is filled with the filling bag of fire-retardant particle in second seal assembly under self gravitation effect, makes between rigid bodies and tank skin
Adhesive force is reinforced, and sealing process is increased.It is provided by the invention close under the mutual cooperation effect of the first, second seal assembly
Seal apparatus has the sealing performance of enhancing.
2, there is automatic fire-extinguishing function.When the Compliant pressure ring of the first seal assembly is filled with fire-retardant particulate matter, sending out
Under raw fire condition, fire-retardant particle can cover pasta, play fire-extinguishing function concurrently.Filling out for fire-retardant particle is filled in second seal assembly
It fills bag and further enhances the effect of self-extinguishing.
3, structure is simple, simple installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the lidstock device of the storage tank provided according to the present invention.
The second seal assembly of 20-；The first seal assembly of 30-；1- sealing scraper；2- rigid bodies；In 21- rigid bodies
Edge；22- rigid bodies lower edge；The fire-retardant particulate matter of 3-；The filling bag of the second seal assembly of 4-；The filling of the first seal assembly of 5-
Bag；6- flexible sealing ring；7- hermetic bag；8- storage tank shell；9- capping；10- support plate.
Wherein, attached drawing is only one of them illustrative schematic diagram of sealing device of the invention, not according to reality
Ratio draw.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1, the lidstock device of the storage tank provided according to the present invention includes the first seal assembly 30, in storage
In gap between tank tank skin 8 and capping 9.First seal assembly 30 includes the hermetic bag 7 being connected with capping 9 and is contained in
Flexible sealing ring 6 in the hermetic bag 7, between the flexible sealing ring 6 and tank skin 8 and the flexible sealing ring 6 and envelope
There are squeezing actions between lid 9.
It all inevitably needs during oil-gas mining, processing, application, storage and sale by crude oil, gasoline or coal
The receiving of the volatile petroleums product such as oil is stored in storage tank.For inflammable explosive article, the leakproofness of storage tank is of crucial importance.Example
As being usually faced with the problem of how improving the leakproofness between storage tank shell and capping.The sealing device provided by the invention
By the first seal assembly 30 being arranged between storage tank 8 and capping 9, set the first seal assembly 30 to include hermetic bag 7
With the flexible sealing ring 6 being contained in the hermetic bag 7, and make between the flexible sealing ring 6 and tank skin 8 and the flexibility
The sealing performance of sealing device is realized between sealing ring 6 and capping 9 there are squeezing action.
Flexible sealing ring 6 have certain flexibility, with will pass through a small amount of deformation be compressed in storage tank 8 and capping 9 it
Between gap in, in conjunction with the soft seal function of hermetic bag 7, there is opposing compression effect to storage tank 8 and capping 9, to play close
Envelope effect.
The quantity of the flexible sealing ring 6 can be one or more.Be increase to the active force of storage tank sum, it is preferable to use
Multiple flexible sealing rings.
In certain specific embodiments of the invention, the number of the flexible sealing ring 6 is 2 or more, multiple flexibilities
Sealing ring is arranged arrangement.There are extruding forces between the multiple flexible sealing rings being arranged, and transmit the force to storage tank and the capping of two sides,
To make storage tank and capping be squeezed, and then sealing is formed in gap.
Further, when the number of the flexible sealing ring 6 is 3 or more, preferably 3 or more flexible sealing rings 6
It is arranged arrangement and is connected in series, but the connection should not influence the elastic deformation of each flexible sealing ring 6 itself and (not influence in other words
Its performance flexible).By be connected in series so that the relative position between sealing ring 6 obtain it is relatively fixed, capping 9 float
Or when causing tank system to shake due to external force, sealing ring 6 still is able to firmly squeeze tank skin 8 and capping 9,
Without due to sealing ring 6 by burst factor influenced and sudden change relative position cause sealing fail the case where.
In some currently preferred embodiments of the present invention, as shown in Figure 1, the number of the flexible sealing ring 6 is 2.2 soft
Property sealing ring 6 also can more firmly can be present in mutual extrusion storage tank 8 in the case where not needing to be mutually permanently connected
In gap between capping 9.
In a preferred embodiment of the invention, Compliant pressure ring 5, the flexibility are additionally provided in the hermetic bag 7
5 squash type of compression ring is arranged on the flexible sealing ring 6.The effect of the Compliant pressure ring 5 is the gravity using itself
The active force that the flexible sealing ring 6 compresses is given, so that Compliant pressure ring 5 squeezes tank skin 8 and capping 9 with more powerful
Pressure effect, to increase the leakproofness in the gap between tank skin 8 and capping 9.The number of Compliant pressure ring 5 be also possible to 1 or
It is multiple.
In some preferred embodiments of the invention, the Compliant pressure ring 5 includes annular filling baggy fabric, and is filled in
Packed particles object (as shown in Figure 1) in the annular filling baggy fabric.
In some preferred embodiments of the invention, the loading (volume) of the packed particles object in filling baggy fabric is filling
The 70-95%, more preferable 75-85% of bag volume.
Compression ring 5 is constituted in the form of filling baggy fabric and filling packed particles object, so that compression ring 5 is with good " soft
Property ", the form of itself can be changed microly with the variation of variation or the capping of storage tank pasta, to be conducive to first
The stability of seal assembly especially generates better pressuring action to flexible sealing ring 6.
In a preferred embodiment of the invention, the packed particles object being filled in the annular filling baggy fabric is fire-retardant
Particulate matter.In the case, Compliant pressure ring 5 not only acts as the effect for compressing flexible sealing ring 6, while also occurring once
Play the role of self-extinguishing in the case where fire.When a fire, the fire-retardant particulate matter in filling baggy fabric is hung down, and is produced to fire
While effect is put out in life, fire-retardant particulate matter has thoroughly prevented burning away for oil gas due to Landfill covering pasta.
In a preferred embodiment of the invention, described as shown in Figure 1, the quantity of the flexible sealing ring 6 is two
The quantity of Compliant pressure ring 5 is one, and the Compliant pressure ring 5 is in contact with two flexible sealing rings 6.In this feelings
Under condition, the construction of a Compliant pressure ring 5 and two composition class " product " fonts of flexible sealing rings 6.The relative position of three rings can
The automatic fine tuning with the variation with variation or the capping of storage tank pasta.The construction of class " product " font is a kind of relative securement
Triangular configuration.Therefore this construction that a Compliant pressure ring 5 is constituted with two flexible sealing rings 6 has once sealing component
Flexible and firm sealing function.
In some preferred embodiments of the invention, the sectional dimension of single flexible sealing ring 6 is capping and storage tank
1/2 times to 9/10 times of gap size between tank skin, preferably 3/5 times to 4/5 times.
In some preferred embodiments of the invention, the sectional dimension of the Compliant pressure ring 5 is single flexible sealing
1 times to 2 times of the sectional dimension of ring 6, preferably greater than 1.2 times less than 2 times.
In some currently preferred embodiments of the present invention, the Compliant pressure ring 5 and/or the flexible sealing ring 6 are annulus
Shape (as shown in Figure 1) or oval ring.It is preferred that it is tangent to each other between the Compliant pressure ring 5 and the flexible sealing ring 6, such as scheme
Shown in 1.The Compliant pressure ring 5 and flexible sealing ring 6 of circular ring shape or oval ring allow them to send out in practical application
Slight change between mutual alignment adaptively occurs for raw any slight variations, but still keeps close mutual extrusion
Or the interactively compressed, so that sealing function is not deteriorated with the variation of environment, instead due to Compliant pressure ring 5 and soft
The spontaneous adjustment of property sealing ring 6 and become stronger.
In a preferred embodiment of the invention, the quantity of the flexible sealing ring 6 is two, the flexible pressure
The quantity of tight ring 5 is one；The flexible sealing ring 6 and the Compliant pressure ring 5 are circular ring shape or oval ring；Single flexible
The sectional dimension of sealing ring 6 is 1/2 times to 9/10 times, preferably 3/5 times of the gap size between capping 9 and the tank skin 8 of storage tank
To 4/5 times；The sectional dimension of the Compliant pressure ring 5 is 1 times to 2 times of the sectional dimension of single flexible sealing ring 6.One side
Face, the compression ring 5 being located above are applied with downward power using sealing ring 6 of the self gravity to mutual extrusion, and a part is offset
Oil gas is applied to the power of sealing ring 6 from below, and another part is then converted into two compression rings 6 to the pressure of storage tank 8 and capping 9
Power.On the other hand, oil gas is applied to power a part of sealing ring by the curved surfaces of sealing ring 6 itself from below, it is outstanding two
Curved surface area near the contact surface of sealing ring is converted into the extruding force to storage tank and capping.Therefore, this to be configured to
Generate very firm sealing function.
In a preferred embodiment of the invention, the hermetic bag 7 is soft seal bag, and material is nitrile rubber, is played
Oil resistant and the effect for reinforcing sealing.The hermetic bag is other than it can accommodate flexible sealing ring, itself is also in flexible sealing ring to storage
Enhance sealing performance under tank tank skin and the squeezing action of capping.
In the present invention, by multiple flexible sealing rings 6 are set and squash type be placed on shown multiple flexible sealing rings 6 it
On one or more Compliant pressure rings 5, increase storage tank shell 8 and capping 9 between leakproofness.
According to the preferred embodiment of the present invention, described device further includes the in first seal assembly, 30 top
Two seal assemblies 20, second seal assembly 20 include it is lower 9 connect along 22 with capping, on be bonded the storage tanks along 21 tank skin
8 annular rigid bodies 2, and the filling bag for accommodating fire-retardant particulate matter 3 being connected on the medial surface of the rigid bodies 2
Bag 4.
On the basis of the first seal assembly 30 plays main sealing function, increase the second sealing group as noted earlier
Part 20 further increases leakproofness guarantee.Meanwhile it being connected on the medial surface of rigid bodies 2 and (being connected under use state
The lower section of rigid bodies 2) filling bag step up being bonded between rigid bodies 2 and storage tank shell 8 more using the gravity of itself
It is close, to increase rigid bodies 2 to the sealing effect in gap between tank skin 8 and capping 9.Further, filling bag 4 fills
There is fire-retardant particulate matter 3, under the fortuitous event that fire occurs, fire-retardant particulate matter 3 is trickled down, and puts out flare, and Landfill covering
On storage tank pasta (not shown), the further on fire of oil gas is prevented, so further enhance oneself of sealing device
Fire-extinguishing function concurrently.
In some currently preferred embodiments of the present invention, the lower edge for filling bag 4 is lower along 22 with the rigid bodies 2
The upper edge of connection, the filling bag 4 is connect in the rigid bodies 2 along 21.This connection type is easily installed use,
And due to being connect in the rigid bodies 2 along 21 on filling bag 4 along direct, make rigid as being bonded with tank skin 8
Property main body 2 on along being stressed directly a little as filling bag 4, so that the gravity of filling bag 4 be made to the maximum extent to be converted into pair
The downward pulling force of rigid bodies 2, and then it is bonded rigid bodies more closely with tank skin 8, enhance secondary seal component 20
Sealing process.
According to the preferred embodiment of the present invention, the filling bag 4 is preferably by oil resistance gas material, such as oil resistance air film system
At.Filling bag 4 is in addition to playing the role of providing rigid bodies 2 downward pulling force, and accommodates outside fire-retardant particulate matter 3,
The effect for obstructing oil gas is also played, the oil gas leakage preventing performance of sealing device is enhanced.
In certain specific embodiments of the invention, the perimeter of section of the filling bag 4 is that the rigid bodies 2 are wide
3-6 times of degree.That is, by fill bag 4 upper lower edge pull open make fill bag it is straight when, fill bag 4 on lower edge it
Between distance be 1.5-3 times of the distance between lower edge in rigid bodies 2.
In certain specific embodiments of the invention, the loading (volume) for filling the fire-retardant particulate matter 3 in bag 4 is
Fill the 60-90%, more preferable 70-85% of 4 volume of bag.
In some currently preferred embodiments of the present invention, ring packing is connected at 21 in annular rigid bodies 2 and is scraped
Plate 1 (as shown in Figure 1), the purpose is to the gaps between sealing metal support plate and tank skin, prevent oil gas from overflowing from the gap,
Meanwhile the scraper plate can also remove the Residual oil on tank skin.The sealing scraper 1 is preferably rubber flap.
In some currently preferred embodiments of the present invention, described device further includes being located in the capping 9, being located at described first
The support plate 10 (as shown in Figure 1) of 30 lower section of seal assembly.
In some currently preferred embodiments of the present invention, as shown in Figure 1, the lower of rigid bodies 2 is fixed on the upper of capping 9 along 22
Portion edge, the hermetic bag 7 of the first seal assembly are also connected to the top edge of capping 9.
In the concrete application of sealing device provided by the invention, the storage tank be External floating roof tank or internal floating roof tank,
The capping 9 is floating plate.External floating roof tank or internal floating roof tank are the common storage tanks for storing oil product.It provides according to the present invention
The especially suitable floating plate sealing device for doing External floating roof tank or internal floating roof tank of sealing device.
In certain specific embodiments of the invention, the annular rigid bodies are annular metal sheet or metal branch
Fagging.
According to the present invention, used fire-retardant particulate matter 3 can be fire proofing particulate matter commonly used in the art, preferably
Light flame-retardant particulate matter, in general its density are less than oil density.Specifically, fire proofing particulate matter 3 can be for example selected from
Flame retardant rubber particle, light closed hole expanded perlite or hollow thin-wall stainless steel ball etc..
The illustrative specific installation method of one of lidstock device provided by the invention, includes the following steps:
The first end of the hermetic bag 7 of first seal assembly 20 is fixed in capping 9, flexible sealing ring 6 is put into close
In envelope 7, the Compliant pressure ring 5 for being filled with packed particles object is placed on 6 top of flexible sealing ring, then by the of hermetic bag 7
Two ends are fixed in capping 9, form the first seal assembly 20.
Lower by rigid bodies 2 is fixed in capping 9 along 22 with the lower edge of filling bag 4, by fill bag 4 on along solid
Due to, along 21, then sealing scraper 1 to be fixed on to the upper edge of rigid bodies 2 by bolt in rigid bodies 2, it is close to form second
Sealing assembly 30, wherein rigid bodies 2 contact with the tank skin 8 of storage tank by the sealing scraper 1 and form sealing function.
Preferably, the stickiness between rigid bodies 2 and tank skin 8 is adjusted by the bolt in capping 9, then fastening peace
Dress.
By an illustrative specific embodiment, the present invention will be further explained again below.
The structure and applicable cases of the sealing device provided according to the present invention are provided by taking 50,000 vertical floating roof tanks as an example.50000 is vertical
Floating roof tank diameter 60m, sealing ring length are 188.4m, and the spacing of floating plate and tank skin is 200mm, the second seal assembly it is rigid
Property main body be metal profile, length is 900mm.
The first seal assembly is constructed first.Compliant pressure ring is circular ring shape, and quantity is 1, and the diameter of longitudinal section is
160mm, perimeter are 540mm.The flame retardant rubber particle of 80% volume of filling in Compliant pressure ring.Flexible sealing ring is longitudinal section
Diameter is the circular ring shape foam ring of 150mm, and quantity is 2.Hermetic bag selects soft seal bag.When installation, first by hermetic bag
One end is fixed on floating plate top edge, then two foam rings are put into hermetic bag, and applying certain dynamics makes two foam ring phases
It mutually squeezes, so that two foam rings have squeezing action to storage tank shell and floating plate, to form sealing function.Again in foam ring
Top is put into the Compliant pressure ring filled with flame retardant rubber particle, forms the arrangement of class " product " font.Then by hermetic bag
The other end be fixed on floating plate top edge, complete the installation of the first seal assembly.The hermetic bag of first seal assembly, which is located at, to be set
It sets above the support plate on floating plate.
Then the second seal assembly is constructed.Length under filling bag straight condition below metal profile between upper lower edge
Degree is 2000mm.Light filling flame retardant rubber particle in bag is filled, loading is fill bag volume 85%.When installation,
The lower edge of the lower edge of metal profile and filling bag is fixed on floating plate top edge, the upper edge for filling bag is fixed on gold
The upper edge for belonging to support plate, is then fixed together with rubber flap again, filling bag be clipped in rubber flap and metal profile it
Between.By the screw bolt reinforcing on floating plate top, the adhesive force of metal profile is adjusted, fastening installation is realized, completes the second seal assembly
Installation.
After fire occurs for sealing device bottom, flame can be by the compression ring of hermetic bag and the first seal assembly, second close
The filling bag of sealing assembly is burnt, and light flame-retardant particulate matter can be trickled down automatically to sealing device, the shape on the pasta of storage tank
At fire-retardant granular coating.Under normal circumstances, the loading of fire-retardant particulate matter be able to satisfy its it is all unrestrained after, formed on pasta
The granular coating of 20mm or so, plays the role of self-extinguishing.
The lidstock device of the storage tank provided according to the present invention, reduce or eliminates oil and gas leakage.In addition, by
One and/or the second fire extinguishing material of setting in seal assembly, realize fire extinguishing using automatic covering pasta, reach improve sealing hydrocarbons and
The purpose of self-extinguishing.
Although the present invention has been described in detail, it will be understood by those skilled in the art that in spirit and scope of the invention
Modification will be apparent.However, it should be understood that various aspects, different specific embodiment that the present invention records
Each section and the various features enumerated can be combined or all or part of exchange.In above-mentioned each specific embodiment, that
A little embodiments with reference to another embodiment can be combined suitably with other embodiment, this is will be by this field skill
Art personnel are to understand.In addition, it will be understood to those of skill in the art that the description of front is only exemplary mode, not purport
In the limitation present invention.
Claims (12)
1. the lidstock device of storage tank, including the first sealing group being arranged between the tank skin of the storage tank and the capping
Part, first seal assembly include the hermetic bag being connected with capping and the flexible sealing ring being contained in the hermetic bag, institute
It states between flexible sealing ring and tank skin and between capping there are squeezing action,
Wherein, Compliant pressure ring is additionally provided in the hermetic bag, the Compliant pressure ring squash type is arranged in the flexibility
On sealing ring, and
The Compliant pressure ring includes annular filling baggy fabric, and the packed particles object being filled in the annular filling baggy fabric, described
Packed particles object is fire-retardant particulate matter.
2. the apparatus according to claim 1, which is characterized in that the quantity of the flexible sealing ring is two, the flexibility
The quantity of compression ring is one, and the Compliant pressure ring is in contact with two flexible sealing rings.
3. the apparatus of claim 2, which is characterized in that the flexible sealing ring and the Compliant pressure ring are annulus
Shape or oval ring, and the sectional dimension of the flexible sealing ring is 1/2 of the gap size between capping and the tank skin of storage tank
Again to 9/10 times, the sectional dimension of the Compliant pressure ring is 1 times to 2 times of the sectional dimension of single flexible sealing ring.
4. device according to claim 3, which is characterized in that the sectional dimension of the flexible sealing ring is capping and storage tank
Tank skin between 3/5 times to 4/5 times of gap size.
5. device according to any one of claims 1 to 4, which is characterized in that described device further includes in described the
The second seal assembly above one seal assembly,
Second seal assembly include lower edge and capping connection, it is upper along be bonded the storage tank tank skin annular rigid bodies,
And it is connected to the filling bag for accommodating fire-retardant particulate matter on the medial surface of the rigid bodies.
6. device according to claim 5, which is characterized in that under the lower edge and the rigid bodies of the filling bag
Along connection, the upper edge of the filling bag is connect with the upper edge of the rigid bodies.
7. device according to claim 5, which is characterized in that be connected with ring packing along place in annular rigid bodies
Scraper plate.
8. device according to claim 5, which is characterized in that the filling bag is made of oil resistance gas material.
9. device according to claim 8, which is characterized in that the perimeter of section of the filling bag is the rigid bodies
3-6 times of width.
10. device according to any one of claims 1 to 4, which is characterized in that described device further includes being located at the envelope
It covers, the support plate below first seal assembly.
11. device according to any one of claims 1 to 4, which is characterized in that the storage tank is External floating roof tank or interior
Floating roof tank, the capping are floating plate.
12. device according to any one of claims 1 to 4, which is characterized in that the flexible sealing ring is foam ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169543.1A CN108202934B (en) | 2016-12-16 | 2016-12-16 | The lidstock device of storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611169543.1A CN108202934B (en) | 2016-12-16 | 2016-12-16 | The lidstock device of storage tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108202934A CN108202934A (en) | 2018-06-26 |
| CN108202934B true CN108202934B (en) | 2019-06-28 |
Family
ID=62602502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611169543.1A Active CN108202934B (en) | 2016-12-16 | 2016-12-16 | The lidstock device of storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108202934B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111186648A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Installation method of internal oil-gas space eliminating device for edge sealing of external floating roof storage tank |
| CN111186646A (en) * | 2018-11-14 | 2020-05-22 | 中国石油化工股份有限公司 | Device for eliminating oil-gas space inside edge seal of external floating roof storage tank |
| CN110027809A (en) * | 2019-03-28 | 2019-07-19 | 江苏德大石化科技有限公司 | A kind of rim space seal modules of storage tank |
| CN113212992A (en) * | 2020-01-21 | 2021-08-06 | 璟铠企业有限公司 | Annular sealing device of inner floating roof |
| CN113384833B (en) * | 2020-03-11 | 2022-08-30 | 中国石油化工股份有限公司 | Fire prevention and control and fire suppression method for petrochemical storage tank |
| CN113928740B (en) * | 2021-10-19 | 2023-03-24 | 威特龙消防安全集团股份公司 | Inflatable oil-free air sealing structure of external floating roof oil tank |
| CN116477225B (en) * | 2023-01-30 | 2023-10-24 | 安徽美祥实业有限公司 | Flame-retardant type primary sealing device and intelligent working method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037434A (en) * | 2006-08-01 | 2008-02-21 | Japan Energy Corp | Floating roof tank and weather seal device for floating roof tank |
| CN202358534U (en) * | 2011-10-19 | 2012-08-01 | 中国石油化工股份有限公司 | Explosion suppression type floating plate sealing device for floating top storage tank |
| CN204110651U (en) * | 2014-07-21 | 2015-01-21 | 安徽省国发石化设备有限责任公司 | A kind of floater active suppression type once sealing device |
| CN204197699U (en) * | 2014-10-22 | 2015-03-11 | 中国石油化工股份有限公司 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
| CN204226645U (en) * | 2014-11-04 | 2015-03-25 | 中国石油化工股份有限公司 | Combined type soft seal device |
| CN204985711U (en) * | 2015-08-28 | 2016-01-20 | 中国石油化工股份有限公司 | A a sealing device for storage tank is sealed |
-
2016
- 2016-12-16 CN CN201611169543.1A patent/CN108202934B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008037434A (en) * | 2006-08-01 | 2008-02-21 | Japan Energy Corp | Floating roof tank and weather seal device for floating roof tank |
| CN202358534U (en) * | 2011-10-19 | 2012-08-01 | 中国石油化工股份有限公司 | Explosion suppression type floating plate sealing device for floating top storage tank |
| CN204110651U (en) * | 2014-07-21 | 2015-01-21 | 安徽省国发石化设备有限责任公司 | A kind of floater active suppression type once sealing device |
| CN204197699U (en) * | 2014-10-22 | 2015-03-11 | 中国石油化工股份有限公司 | Sealing arrangement between a kind of external floating top tank floating plate and tank skin |
| CN204226645U (en) * | 2014-11-04 | 2015-03-25 | 中国石油化工股份有限公司 | Combined type soft seal device |
| CN204985711U (en) * | 2015-08-28 | 2016-01-20 | 中国石油化工股份有限公司 | A a sealing device for storage tank is sealed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108202934A (en) | 2018-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108202934B (en) | The lidstock device of storage tank | |
| CN104370002B (en) | Floating roof tank floating pan continuous one-piece airtight sealing structure without oil gas space | |
| RU2382662C2 (en) | Device for improvement of gas-displacer efficiency in fire extinguisher balloon | |
| CN204250668U (en) | A kind of hermetically-sealed construction without oil-gas space of floating roof tank floating plate | |
| CN105540081A (en) | Spring compensation type soft seal device for external floating-roof oil tank | |
| CN205802054U (en) | For the presser type elastic sealing device that oil groove is floating roof | |
| CN206108035U (en) | Edge elastic plate sealing device | |
| CN106639825A (en) | Sealing strip and scrubbing machine | |
| CN206146319U (en) | Pressure release is explosion -proof jar | |
| CN208845804U (en) | A kind of emergency relief valve | |
| CN208846071U (en) | A kind of detachable storage gas tank | |
| CN206409881U (en) | A kind of liquid gas storage facility | |
| CN107640457B (en) | Floating roof tank with fire-extinguishing function concurrently seals ring seal device | |
| CN201125723Y (en) | Petroleum crude separator silk screen foam destroyer | |
| CN204056856U (en) | Oil tank safety sealing device | |
| CN207648134U (en) | Sealing element for liquid compound spring | |
| CN208996744U (en) | A kind of novel combined waterproof sealing gasket of shield tunnel | |
| CN111746950A (en) | High-efficiency oil-free air sealing device for floating roof storage tank | |
| CN206451780U (en) | Square simulation lead-acid accumulator monomer unit | |
| CN207631846U (en) | A kind of cementing tank alarming device | |
| CN207701761U (en) | Facilitate installation and efficient sealed liner | |
| US20060157258A1 (en) | Fire extinguisher can | |
| CN205605860U (en) | Novel broken coal pressure gasification ashes lock is sealed device | |
| CN107504268A (en) | Gas pipeline support frame easy to install | |
| CN204297294U (en) | A kind of packaging bag of dilated food |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |